Merge branch 'master' into laggy-move-resize

README.md

@@ -33,3 +33,17 @@ Run these commands:
     ninja -C build
 
 (On FreeBSD, you need to pass an extra flag to prevent a linking error: `meson build -D b_lundef=false`)
+
+## Running the Reference Compositor
+
+wlroots comes with a reference compositor called rootston that demonstrates the
+features of the library.
+
+After building, run rootston from a terminal or VT with:
+
+    ./build/rootston/rootston
+
+Now you can run windows in the compositor from the command line or by
+configuring bindings in your
+[`rootston.ini`](https://github.com/swaywm/wlroots/blob/master/rootston/rootston.ini.example)
+file. 

backend/drm/util.c

@@ -106,8 +106,15 @@ void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *d
 			if (nl) {
 				*nl = '\0';
 			}
+		} else if (flag == 0 && data[i + 3] == 0xFF) {
+			sprintf(output->serial, "%.13s", &data[i + 5]);
 
-			break;
+			// Monitor serial numbers are terminated by newline if they're too
+			// short
+			char *nl = strchr(output->serial, '\n');
+			if (nl) {
+				*nl = '\0';
+			}
 		}
 	}
 }

backend/libinput/events.c

@@ -66,10 +66,11 @@ static void handle_device_added(struct wlr_libinput_backend *backend,
 	int product = libinput_device_get_id_product(libinput_dev);
 	const char *name = libinput_device_get_name(libinput_dev);
 	struct wl_list *wlr_devices = calloc(1, sizeof(struct wl_list));
-	wl_list_init(wlr_devices);
 	if (!wlr_devices) {
-		goto fail;
+		wlr_log(L_ERROR, "Allocation failed");
+		return;
 	}
+	wl_list_init(wlr_devices);
 	wlr_log(L_DEBUG, "Added %s [%d:%d]", name, vendor, product);
 
 	if (libinput_device_has_capability(libinput_dev, LIBINPUT_DEVICE_CAP_KEYBOARD)) {

backend/libinput/tablet_tool.c

@@ -70,6 +70,8 @@ void handle_tablet_tool_axis(struct libinput_event *event,
 		wlr_event.updated_axes |= WLR_TABLET_TOOL_AXIS_WHEEL;
 		wlr_event.wheel_delta = libinput_event_tablet_tool_get_wheel_delta(tevent);
 	}
+	wlr_log(L_DEBUG, "Tablet tool axis event %d @ %f,%f",
+			wlr_event.updated_axes, wlr_event.x_mm, wlr_event.y_mm);
 	wl_signal_emit(&wlr_dev->tablet_tool->events.axis, &wlr_event);
 }
 

backend/session/logind.c

@@ -123,7 +123,7 @@ static bool logind_change_vt(struct wlr_session *base, unsigned vt) {
 	return ret >= 0;
 }
 
-static bool find_sesion_path(struct logind_session *session) {
+static bool find_session_path(struct logind_session *session) {
 	int ret;
 	sd_bus_message *msg = NULL;
 	sd_bus_error error = SD_BUS_ERROR_NULL;
@@ -303,7 +303,7 @@ static bool add_signal_matches(struct logind_session *session) {
 		"member='%s',"
 		"path='%s'";
 
-	snprintf(str, sizeof(str), fmt, "Manager", "SesssionRemoved", "/org/freedesktop/login1");
+	snprintf(str, sizeof(str), fmt, "Manager", "SessionRemoved", "/org/freedesktop/login1");
 	ret = sd_bus_add_match(session->bus, NULL, str, session_removed, session);
 	if (ret < 0) {
 		wlr_log(L_ERROR, "Failed to add D-Bus match: %s", strerror(-ret));
@@ -368,7 +368,7 @@ static struct wlr_session *logind_session_create(struct wl_display *disp) {
 		goto error;
 	}
 
-	if (!find_sesion_path(session)) {
+	if (!find_session_path(session)) {
 		sd_bus_unref(session->bus);
 		goto error;
 	}

backend/session/session.c

@@ -249,7 +249,7 @@ static size_t explicit_find_gpus(struct wlr_session *session,
 		}
 	} while ((ptr = strtok_r(NULL, ":", &save)));
 
-	free(ptr);
+	free(gpus);
 	return i;
 }
 
@@ -257,7 +257,7 @@ static size_t explicit_find_gpus(struct wlr_session *session,
  * If it's not found, it returns the first valid GPU it finds.
  */
 size_t wlr_session_find_gpus(struct wlr_session *session,
-		size_t ret_len, int ret[static ret_len]) {
+		size_t ret_len, int *ret) {
 	const char *explicit = getenv("WLR_DRM_DEVICES");
 	if (explicit) {
 		return explicit_find_gpus(session, ret_len, ret, explicit);

backend/wayland/backend.c

@@ -12,10 +12,15 @@
 #include "backend/wayland.h"
 #include "xdg-shell-unstable-v6-client-protocol.h"
 
-
 static int dispatch_events(int fd, uint32_t mask, void *data) {
 	struct wlr_wl_backend *backend = data;
 	int count = 0;
+
+	if ((mask & WL_EVENT_HANGUP) || (mask & WL_EVENT_ERROR)) {
+		wl_display_terminate(backend->local_display);
+		return 0;
+	}
+
 	if (mask & WL_EVENT_READABLE) {
 		count = wl_display_dispatch(backend->remote_display);
 	}
@@ -36,7 +41,7 @@ static bool wlr_wl_backend_start(struct wlr_backend *_backend) {
 	wlr_log(L_INFO, "Initializating wayland backend");
 
 	wlr_wl_registry_poll(backend);
-	if (!(backend->compositor) || (!(backend->shell))) {
+	if (!backend->compositor || !backend->shell) {
 		wlr_log_errno(L_ERROR, "Could not obtain retrieve required globals");
 		return false;
 	}
@@ -49,10 +54,9 @@ static bool wlr_wl_backend_start(struct wlr_backend *_backend) {
 
 	struct wl_event_loop *loop = wl_display_get_event_loop(backend->local_display);
 	int fd = wl_display_get_fd(backend->remote_display);
-	int events = WL_EVENT_READABLE | WL_EVENT_ERROR |
-		WL_EVENT_HANGUP;
+	int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
 	backend->remote_display_src = wl_event_loop_add_fd(loop, fd, events,
-			dispatch_events, backend);
+		dispatch_events, backend);
 	wl_event_source_check(backend->remote_display_src);
 
 	return true;

backend/wayland/output.c

@@ -249,7 +249,7 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *_backend) {
 	wlr_output_init(&output->wlr_output, &backend->backend, &output_impl);
 	struct wlr_output *wlr_output = &output->wlr_output;
 
-	wlr_output_update_size(wlr_output, 640, 480);
+	wlr_output_update_size(wlr_output, 1280, 720);
 	strncpy(wlr_output->make, "wayland", sizeof(wlr_output->make));
 	strncpy(wlr_output->model, "wayland", sizeof(wlr_output->model));
 	snprintf(wlr_output->name, sizeof(wlr_output->name), "WL-%d",

backend/wayland/wl_seat.c

@@ -90,7 +90,7 @@ static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
 
 	struct wlr_event_pointer_axis wlr_event;
 	wlr_event.device = dev;
-	wlr_event.delta = value;
+	wlr_event.delta = wl_fixed_to_double(value);
 	wlr_event.orientation = axis;
 	wlr_event.time_msec = time;
 	wlr_event.source = wlr_wl_pointer->axis_source;

backend/x11/backend.c

@@ -155,9 +155,14 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e
 
 static int x11_event(int fd, uint32_t mask, void *data) {
 	struct wlr_x11_backend *x11 = data;
+
+	if ((mask & WL_EVENT_HANGUP) || (mask & WL_EVENT_ERROR)) {
+		wl_display_terminate(x11->wl_display);
+		return 0;
+	}
+
 	xcb_generic_event_t *e;
 	bool quit = false;
-
 	while (!quit && (e = xcb_poll_for_event(x11->xcb_conn))) {
 		quit = handle_x11_event(x11, e);
 		free(e);
@@ -205,7 +210,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
 
 	int fd = xcb_get_file_descriptor(x11->xcb_conn);
 	struct wl_event_loop *ev = wl_display_get_event_loop(display);
-	x11->event_source = wl_event_loop_add_fd(ev, fd, WL_EVENT_READABLE, x11_event, x11);
+	int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
+	x11->event_source = wl_event_loop_add_fd(ev, fd, events, x11_event, x11);
 	if (!x11->event_source) {
 		wlr_log(L_ERROR, "Could not create event source");
 		goto error_x11;

examples/multi-pointer.c

@@ -86,7 +86,7 @@ static void handle_output_add(struct output_state *ostate) {
 
 		struct wlr_xcursor_image *image = sample->xcursor->images[0];
 		wlr_cursor_set_image(cursor->cursor, image->buffer, image->width,
-			image->width, image->height, image->hotspot_x, image->hotspot_y);
+			image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
 
 		wlr_cursor_warp(cursor->cursor, NULL, cursor->cursor->x,
 			cursor->cursor->y);
@@ -150,7 +150,7 @@ static void handle_input_add(struct compositor_state *state,
 
 	struct wlr_xcursor_image *image = sample->xcursor->images[0];
 	wlr_cursor_set_image(cursor->cursor, image->buffer, image->width,
-		image->width, image->height, image->hotspot_x, image->hotspot_y);
+		image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
 
 	wl_list_insert(&sample->cursors, &cursor->link);
 }

examples/pointer.c

@@ -110,7 +110,7 @@ static void handle_output_add(struct output_state *ostate) {
 
 	struct wlr_xcursor_image *image = sample->xcursor->images[0];
 	wlr_cursor_set_image(sample->cursor, image->buffer, image->width,
-		image->width, image->height, image->hotspot_x, image->hotspot_y);
+		image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
 
 	wlr_cursor_warp(sample->cursor, NULL, sample->cursor->x, sample->cursor->y);
 }
@@ -321,7 +321,7 @@ int main(int argc, char *argv[]) {
 
 	struct wlr_xcursor_image *image = state.xcursor->images[0];
 	wlr_cursor_set_image(state.cursor, image->buffer, image->width,
-		image->width, image->height, image->hotspot_x, image->hotspot_y);
+		image->width, image->height, image->hotspot_x, image->hotspot_y, 0);
 
 	compositor_init(&compositor);
 	if (!wlr_backend_start(compositor.backend)) {

examples/screenshot.c

@@ -187,7 +187,10 @@ static void write_image(const char *filename, int width, int height) {
 	sprintf(size, "%dx%d+0", width, height);
 
 	int fd[2];
-	pipe(fd);
+	if (pipe(fd) != 0) {
+		fprintf(stderr, "cannot create pipe: %s\n", strerror(errno));
+		exit(EXIT_FAILURE);
+	}
 
 	pid_t child = fork();
 	if (child < 0) {
@@ -195,7 +198,10 @@ static void write_image(const char *filename, int width, int height) {
 		exit(EXIT_FAILURE);
 	} else if (child != 0) {
 		close(fd[0]);
-		write(fd[1], data, buffer_stride * height);
+		if (write(fd[1], data, buffer_stride * height) < 0) {
+			fprintf(stderr, "write() failed: %s\n", strerror(errno));
+			exit(EXIT_FAILURE);
+		}
 		close(fd[1]);
 		free(data);
 		waitpid(child, NULL, 0);

include/rootston/config.h

@@ -2,12 +2,12 @@
 #define _ROOTSTON_CONFIG_H
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_input_device.h>
-#include <wlr/types/wlr_cursor.h>
 
-struct output_config {
+struct roots_output_config {
 	char *name;
 	enum wl_output_transform transform;
 	int x, y;
+	int scale;
 	struct wl_list link;
 	struct {
 		int width, height;
@@ -15,14 +15,15 @@ struct output_config {
 	} mode;
 };
 
-struct device_config {
+struct roots_device_config {
 	char *name;
 	char *mapped_output;
 	struct wlr_box *mapped_box;
+	char *seat;
 	struct wl_list link;
 };
 
-struct binding_config {
+struct roots_binding_config {
 	uint32_t modifiers;
 	xkb_keysym_t *keysyms;
 	size_t keysyms_len;
@@ -30,7 +31,7 @@ struct binding_config {
 	struct wl_list link;
 };
 
-struct keyboard_config {
+struct roots_keyboard_config {
 	char *name;
 	uint32_t meta_key;
 	char *rules;
@@ -43,7 +44,7 @@ struct keyboard_config {
 
 struct roots_config {
 	bool xwayland;
-	// TODO: Multiple cursors, multiseat
+
 	struct {
 		char *mapped_output;
 		struct wlr_box *mapped_box;
@@ -57,29 +58,37 @@ struct roots_config {
 	char *startup_cmd;
 };
 
-struct roots_config *parse_args(int argc, char *argv[]);
+/**
+ * Create a roots config from the given command line arguments. Command line
+ * arguments can specify the location of the config file. If it is not
+ * specified, the default location will be used.
+ */
+struct roots_config *roots_config_create_from_args(int argc, char *argv[]);
 
+/**
+ * Destroy the config and free its resources.
+ */
 void roots_config_destroy(struct roots_config *config);
 
 /**
  * Get configuration for the output. If the output is not configured, returns
  * NULL.
  */
-struct output_config *config_get_output(struct roots_config *config,
+struct roots_output_config *roots_config_get_output(struct roots_config *config,
 	struct wlr_output *output);
 
 /**
  * Get configuration for the device. If the device is not configured, returns
  * NULL.
  */
-struct device_config *config_get_device(struct roots_config *config,
+struct roots_device_config *roots_config_get_device(struct roots_config *config,
 	struct wlr_input_device *device);
 
 /**
  * Get configuration for the keyboard. If the keyboard is not configured,
  * returns NULL. A NULL device returns the default config for keyboards.
  */
-struct keyboard_config *config_get_keyboard(struct roots_config *config,
-	struct wlr_input_device *device);
+struct roots_keyboard_config *roots_config_get_keyboard(
+		struct roots_config *config, struct wlr_input_device *device);
 
 #endif

include/rootston/cursor.h

@@ -0,0 +1,103 @@
+#ifndef _ROOTSTON_CURSOR_H
+#define _ROOTSTON_CURSOR_H
+
+#include "rootston/seat.h"
+
+enum roots_cursor_mode {
+	ROOTS_CURSOR_PASSTHROUGH = 0,
+	ROOTS_CURSOR_MOVE = 1,
+	ROOTS_CURSOR_RESIZE = 2,
+	ROOTS_CURSOR_ROTATE = 3,
+};
+
+enum roots_cursor_resize_edge {
+	ROOTS_CURSOR_RESIZE_EDGE_TOP = 1,
+	ROOTS_CURSOR_RESIZE_EDGE_BOTTOM = 2,
+	ROOTS_CURSOR_RESIZE_EDGE_LEFT = 4,
+	ROOTS_CURSOR_RESIZE_EDGE_RIGHT = 8,
+};
+
+struct roots_input_event {
+	uint32_t serial;
+	struct wlr_cursor *cursor;
+	struct wlr_input_device *device;
+};
+
+struct roots_cursor {
+	struct roots_seat *seat;
+	struct wlr_cursor *cursor;
+
+	enum roots_cursor_mode mode;
+
+	// state from input (review if this is necessary)
+	struct wlr_xcursor_manager *xcursor_manager;
+	struct wlr_seat *wl_seat;
+	struct wl_client *cursor_client;
+	int offs_x, offs_y;
+	int view_x, view_y, view_width, view_height;
+	float view_rotation;
+	uint32_t resize_edges;
+	// Ring buffer of input events that could trigger move/resize/rotate
+	int input_events_idx;
+	struct wl_list touch_points;
+	struct roots_input_event input_events[16];
+
+	struct wl_listener motion;
+	struct wl_listener motion_absolute;
+	struct wl_listener button;
+	struct wl_listener axis;
+
+	struct wl_listener touch_down;
+	struct wl_listener touch_up;
+	struct wl_listener touch_motion;
+
+	struct wl_listener tool_axis;
+	struct wl_listener tool_tip;
+
+	struct wl_listener pointer_grab_begin;
+	struct wl_listener pointer_grab_end;
+
+	struct wl_listener request_set_cursor;
+};
+
+struct roots_cursor *roots_cursor_create(struct roots_seat *seat);
+
+void roots_cursor_destroy(struct roots_cursor *cursor);
+
+void roots_cursor_handle_motion(struct roots_cursor *cursor,
+		struct wlr_event_pointer_motion *event);
+
+void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
+		struct wlr_event_pointer_motion_absolute *event);
+
+void roots_cursor_handle_button(struct roots_cursor *cursor,
+		struct wlr_event_pointer_button *event);
+
+void roots_cursor_handle_axis(struct roots_cursor *cursor,
+		struct wlr_event_pointer_axis *event);
+
+void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
+		struct wlr_event_touch_down *event);
+
+void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
+		struct wlr_event_touch_up *event);
+
+void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
+		struct wlr_event_touch_motion *event);
+
+void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
+		struct wlr_event_tablet_tool_axis *event);
+
+void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
+		struct wlr_event_tablet_tool_tip *event);
+
+void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
+		struct wlr_seat_pointer_request_set_cursor_event *event);
+
+void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor,
+		struct wlr_seat_pointer_grab *grab);
+
+void roots_cursor_handle_pointer_grab_end(struct roots_cursor *cursor,
+		struct wlr_seat_pointer_grab *grab);
+
+#endif

include/rootston/desktop.h

@@ -7,6 +7,7 @@
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_wl_shell.h>
 #include <wlr/types/wlr_xdg_shell_v6.h>
+#include <wlr/types/wlr_xcursor_manager.h>
 #include <wlr/types/wlr_gamma_control.h>
 #include <wlr/types/wlr_screenshooter.h>
 #include <wlr/types/wlr_list.h>
@@ -31,6 +32,7 @@ struct roots_desktop {
 	struct roots_config *config;
 
 	struct wlr_output_layout *layout;
+	struct wlr_xcursor_manager *xcursor_manager;
 
 	struct wlr_compositor *compositor;
 	struct wlr_wl_shell *wl_shell;

include/rootston/input.h

@@ -1,171 +1,31 @@
 #ifndef _ROOTSTON_INPUT_H
 #define _ROOTSTON_INPUT_H
-#include <xkbcommon/xkbcommon.h>
 #include <wayland-server.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_seat.h>
-#include <wlr/xcursor.h>
+#include "rootston/cursor.h"
 #include "rootston/config.h"
 #include "rootston/view.h"
 #include "rootston/server.h"
 
-#define ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP 32
-
-struct roots_keyboard {
-	struct roots_input *input;
-	struct wlr_input_device *device;
-	struct wl_listener key;
-	struct wl_listener modifiers;
-	struct wl_list link;
-
-	xkb_keysym_t pressed_keysyms[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
-};
-
-struct roots_pointer {
-	struct roots_input *input;
-	struct wlr_input_device *device;
-	struct wl_list link;
-};
-
-struct roots_touch {
-	struct roots_input *input;
-	struct wlr_input_device *device;
-	struct wl_list link;
-};
-
-// TODO: tablet pad
-struct roots_tablet_tool {
-	struct roots_input *input;
-	struct wlr_input_device *device;
-	struct wl_listener axis;
-	struct wl_listener proximity;
-	struct wl_listener tip;
-	struct wl_listener button;
-	struct wl_list link;
-};
-
-enum roots_cursor_mode {
-	ROOTS_CURSOR_PASSTHROUGH = 0,
-	ROOTS_CURSOR_MOVE = 1,
-	ROOTS_CURSOR_RESIZE = 2,
-	ROOTS_CURSOR_ROTATE = 3,
-};
-
-enum roots_cursor_resize_edge {
-	ROOTS_CURSOR_RESIZE_EDGE_TOP = 1,
-	ROOTS_CURSOR_RESIZE_EDGE_BOTTOM = 2,
-	ROOTS_CURSOR_RESIZE_EDGE_LEFT = 4,
-	ROOTS_CURSOR_RESIZE_EDGE_RIGHT = 8,
-};
-
-struct roots_input_event {
-	uint32_t serial;
-	struct wlr_cursor *cursor;
-	struct wlr_input_device *device;
-};
-
-struct roots_drag_icon {
-	struct wlr_surface *surface;
-	struct wl_list link; // roots_input::drag_icons
-	bool mapped;
-
-	int32_t sx;
-	int32_t sy;
-
-	struct wl_listener surface_destroy;
-	struct wl_listener surface_commit;
-};
-
-struct roots_touch_point {
-	struct roots_touch *device;
-	int32_t slot;
-	double x, y;
-	struct wl_list link;
-};
-
 struct roots_input {
 	struct roots_config *config;
 	struct roots_server *server;
 
-	// TODO: multiseat, multicursor
-	struct wlr_cursor *cursor;
-	struct wlr_xcursor_theme *xcursor_theme;
-	struct wlr_seat *wl_seat;
-	struct wl_list drag_icons;
-	struct wl_client *cursor_client;
-
-	enum roots_cursor_mode mode;
-	struct roots_view *active_view;
-	int offs_x, offs_y;
-	int view_x, view_y, view_width, view_height;
-	float view_rotation;
-	uint32_t resize_edges;
-
-	// Ring buffer of input events that could trigger move/resize/rotate
-	int input_events_idx;
-	struct roots_input_event input_events[16];
-
-	struct wl_list keyboards;
-	struct wl_list pointers;
-	struct wl_list touch;
-	struct wl_list tablet_tools;
-
 	struct wl_listener input_add;
 	struct wl_listener input_remove;
 
-	struct wl_listener cursor_motion;
-	struct wl_listener cursor_motion_absolute;
-	struct wl_listener cursor_button;
-	struct wl_listener cursor_axis;
-
-	struct wl_listener cursor_touch_down;
-	struct wl_listener cursor_touch_up;
-	struct wl_listener cursor_touch_motion;
-
-	struct wl_listener cursor_tool_axis;
-	struct wl_listener cursor_tool_tip;
-
-	struct wl_listener pointer_grab_begin;
-	struct wl_list touch_points;
-
-	struct wl_listener pointer_grab_end;
-
-	struct wl_listener request_set_cursor;
+	struct wl_list seats;
 };
 
 struct roots_input *input_create(struct roots_server *server,
 		struct roots_config *config);
 void input_destroy(struct roots_input *input);
 
-void pointer_add(struct wlr_input_device *device, struct roots_input *input);
-void pointer_remove(struct wlr_input_device *device, struct roots_input *input);
-void keyboard_add(struct wlr_input_device *device, struct roots_input *input);
-void keyboard_remove(struct wlr_input_device *device, struct roots_input *input);
-void touch_add(struct wlr_input_device *device, struct roots_input *input);
-void touch_remove(struct wlr_input_device *device, struct roots_input *input);
-void tablet_tool_add(struct wlr_input_device *device, struct roots_input *input);
-void tablet_tool_remove(struct wlr_input_device *device, struct roots_input *input);
+struct roots_seat *input_seat_from_wlr_seat(struct roots_input *input,
+		struct wlr_seat *seat);
 
-void cursor_initialize(struct roots_input *input);
-void cursor_load_config(struct roots_config *config,
-		struct wlr_cursor *cursor,
-		struct roots_input *input,
-		struct roots_desktop *desktop);
-const struct roots_input_event *get_input_event(struct roots_input *input,
-		uint32_t serial);
-void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view);
-void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view, uint32_t edges);
-
-struct wlr_xcursor *get_default_xcursor(struct wlr_xcursor_theme *theme);
-struct wlr_xcursor *get_move_xcursor(struct wlr_xcursor_theme *theme);
-struct wlr_xcursor *get_resize_xcursor(struct wlr_xcursor_theme *theme,
-	uint32_t edges);
-struct wlr_xcursor *get_rotate_xcursor(struct wlr_xcursor_theme *theme);
-
-void set_view_focus(struct roots_input *input, struct roots_desktop *desktop,
-	struct roots_view *view);
+bool input_view_has_focus(struct roots_input *input, struct roots_view *view);
 
 #endif

include/rootston/keyboard.h

@@ -0,0 +1,33 @@
+#ifndef _ROOTSTON_KEYBOARD_H
+#define _ROOTSTON_KEYBOARD_H
+
+#include <xkbcommon/xkbcommon.h>
+#include "rootston/input.h"
+
+#define ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP 32
+
+struct roots_keyboard {
+	struct roots_input *input;
+	struct roots_seat *seat;
+	struct wlr_input_device *device;
+	struct roots_keyboard_config *config;
+	struct wl_list link;
+
+	struct wl_listener keyboard_key;
+	struct wl_listener keyboard_modifiers;
+
+	xkb_keysym_t pressed_keysyms_translated[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
+	xkb_keysym_t pressed_keysyms_raw[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
+};
+
+struct roots_keyboard *roots_keyboard_create(struct wlr_input_device *device,
+		struct roots_input *input);
+
+void roots_keyboard_destroy(struct roots_keyboard *keyboard);
+
+void roots_keyboard_handle_key(struct roots_keyboard *keyboard,
+		struct wlr_event_keyboard_key *event);
+
+void roots_keyboard_handle_modifiers(struct roots_keyboard *r_keyboard);
+
+#endif

include/rootston/seat.h

@@ -0,0 +1,88 @@
+#ifndef _ROOTSTON_SEAT_H
+#define _ROOTSTON_SEAT_H
+#include <wayland-server.h>
+#include "rootston/input.h"
+#include "rootston/keyboard.h"
+
+struct roots_drag_icon {
+	struct wlr_surface *surface;
+	struct wl_list link; // roots_seat::drag_icons
+	bool mapped;
+
+	int32_t sx;
+	int32_t sy;
+
+	struct wl_listener surface_destroy;
+	struct wl_listener surface_commit;
+};
+
+struct roots_seat {
+	struct roots_input *input;
+	struct wlr_seat *seat;
+	struct roots_cursor *cursor;
+	struct wl_list link;
+	struct wl_list drag_icons;
+
+	struct roots_view *focus;
+
+	struct wl_list keyboards;
+	struct wl_list pointers;
+	struct wl_list touch;
+	struct wl_list tablet_tools;
+};
+
+struct roots_pointer {
+	struct roots_seat *seat;
+	struct wlr_input_device *device;
+	struct wl_list link;
+};
+
+struct roots_touch {
+	struct roots_seat *seat;
+	struct wlr_input_device *device;
+	struct wl_list link;
+};
+
+struct roots_touch_point {
+	struct roots_touch *device;
+	int32_t slot;
+	double x, y;
+	struct wl_list link;
+};
+
+struct roots_tablet_tool {
+	struct roots_seat *seat;
+	struct wlr_input_device *device;
+	struct wl_listener axis;
+	struct wl_listener proximity;
+	struct wl_listener tip;
+	struct wl_listener button;
+	struct wl_list link;
+};
+
+struct roots_seat *roots_seat_create(struct roots_input *input, char *name);
+
+void roots_seat_destroy(struct roots_seat *seat);
+
+void roots_seat_add_device(struct roots_seat *seat,
+		struct wlr_input_device *device);
+
+void roots_seat_remove_device(struct roots_seat *seat,
+		struct wlr_input_device *device);
+
+void roots_seat_configure_cursor(struct roots_seat *seat);
+
+void roots_seat_configure_xcursor(struct roots_seat *seat);
+
+bool roots_seat_has_meta_pressed(struct roots_seat *seat);
+
+void roots_seat_focus_view(struct roots_seat *seat, struct roots_view *view);
+
+void roots_seat_begin_move(struct roots_seat *seat, struct roots_view *view);
+
+void roots_seat_begin_resize(struct roots_seat *seat, struct roots_view *view,
+		uint32_t edges);
+
+void roots_seat_begin_rotate(struct roots_seat *seat, struct roots_view *view);
+
+#endif

include/rootston/view.h

@@ -11,9 +11,10 @@ struct roots_wl_shell_surface {
 
 	// TODO: Maybe destroy listener should go in roots_view
 	struct wl_listener destroy;
-	struct wl_listener ping_timeout;
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
+	struct wl_listener request_set_maximized;
+	struct wl_listener set_state;
 
 	struct wl_listener surface_commit;
 };
@@ -26,6 +27,7 @@ struct roots_xdg_surface_v6 {
 	struct wl_listener destroy;
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
+	struct wl_listener request_maximize;
 
 	struct {
 		bool needs_move;
@@ -42,6 +44,7 @@ struct roots_xwayland_surface {
 	struct wl_listener request_configure;
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
+	struct wl_listener request_maximize;
 	struct wl_listener map_notify;
 	struct wl_listener unmap_notify;
 };
@@ -54,8 +57,17 @@ enum roots_view_type {
 
 struct roots_view {
 	struct roots_desktop *desktop;
+
 	double x, y;
 	float rotation;
+
+	bool maximized;
+	struct {
+		double x, y;
+		uint32_t width, height;
+		float rotation;
+	} saved;
+
 	// TODO: Something for roots-enforced width/height
 	enum roots_view_type type;
 	union {
@@ -73,25 +85,28 @@ struct roots_view {
 #endif
 	};
 	struct wlr_surface *wlr_surface;
+
 	// TODO: This would probably be better as a field that's updated on a
 	// configure event from the xdg_shell
 	// If not then this should follow the typical type/impl pattern we use
 	// elsewhere
-	void (*get_size)(struct roots_view *view, struct wlr_box *box);
+	void (*get_size)(const struct roots_view *view, struct wlr_box *box);
 	void (*activate)(struct roots_view *view, bool active);
 	void (*move)(struct roots_view *view, double x, double y);
 	void (*resize)(struct roots_view *view, uint32_t width, uint32_t height);
 	void (*move_resize)(struct roots_view *view, double x, double y,
 		uint32_t width, uint32_t height);
+	void (*maximize)(struct roots_view *view, bool maximized);
 	void (*close)(struct roots_view *view);
 };
 
-void view_get_size(struct roots_view *view, struct wlr_box *box);
+void view_get_box(const struct roots_view *view, struct wlr_box *box);
 void view_activate(struct roots_view *view, bool active);
 void view_move(struct roots_view *view, double x, double y);
 void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
 void view_move_resize(struct roots_view *view, double x, double y,
 	uint32_t width, uint32_t height);
+void view_maximize(struct roots_view *view, bool maximized);
 void view_close(struct roots_view *view);
 bool view_center(struct roots_view *view);
 void view_setup(struct roots_view *view);

include/rootston/xcursor.h

@@ -0,0 +1,14 @@
+#ifndef _ROOTSTON_XCURSOR_H
+#define _ROOTSTON_XCURSOR_H
+
+#include <stdint.h>
+
+#define ROOTS_XCURSOR_SIZE 16
+
+#define ROOTS_XCURSOR_DEFAULT "left_ptr"
+#define ROOTS_XCURSOR_MOVE "grabbing"
+#define ROOTS_XCURSOR_ROTATE "grabbing"
+
+const char *roots_xcursor_get_resize_name(uint32_t edges);
+
+#endif

include/wlr/backend/session.h

@@ -79,6 +79,6 @@ void wlr_session_signal_add(struct wlr_session *session, int fd,
 bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
 
 size_t wlr_session_find_gpus(struct wlr_session *session,
-	size_t ret_len, int ret[static ret_len]);
+	size_t ret_len, int *ret);
 
 #endif

include/wlr/types/wlr_cursor.h

@@ -6,7 +6,6 @@
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_box.h>
-#include <wlr/xcursor.h>
 
 struct wlr_cursor_state;
 
@@ -60,9 +59,22 @@ void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
 void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
 	double delta_x, double delta_y);
 
+/**
+ * Set the cursor image. stride is given in bytes. If pixels is NULL, hides the
+ * cursor.
+ *
+ * If scale isn't zero, the image is only set on outputs having the provided
+ * scale.
+ */
 void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
 	int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
-	int32_t hotspot_y);
+	int32_t hotspot_y, uint32_t scale);
+
+/**
+ * Set the cursor surface. The surface can be committed to update the cursor
+ * image. The surface position is substracted from the hotspot. A NULL surface
+ * commit hides the cursor.
+ */
 void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
 	int32_t hotspot_x, int32_t hotspot_y);
 

include/wlr/types/wlr_data_device.h

@@ -74,6 +74,11 @@ struct wlr_drag {
 struct wlr_data_device_manager *wlr_data_device_manager_create(
 		struct wl_display *display);
 
+/**
+ * Destroys a wlr_data_device_manager and removes its wl_data_device_manager global.
+ */
+void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager);
+
 /**
  * Creates a new wl_data_offer if there is a wl_data_source currently set as
  * the seat selection and sends it to the seat client, followed by the

include/wlr/types/wlr_keyboard.h

@@ -28,6 +28,8 @@ enum wlr_keyboard_modifier {
 	WLR_MODIFIER_MOD5 = 128,
 };
 
+#define WLR_KEYBOARD_KEYS_CAP 32
+
 struct wlr_keyboard_impl;
 
 struct wlr_keyboard {
@@ -41,6 +43,7 @@ struct wlr_keyboard {
 	xkb_led_index_t led_indexes[WLR_LED_COUNT];
 	xkb_mod_index_t mod_indexes[WLR_MODIFIER_COUNT];
 
+	uint32_t keycodes[WLR_KEYBOARD_KEYS_CAP];
 	struct {
 		xkb_mod_mask_t depressed;
 		xkb_mod_mask_t latched;

include/wlr/types/wlr_output.h

@@ -14,7 +14,7 @@ struct wlr_output_mode {
 
 struct wlr_output_cursor {
 	struct wlr_output *output;
-	int32_t x, y;
+	double x, y;
 	bool enabled;
 	uint32_t width, height;
 	int32_t hotspot_x, hotspot_y;
@@ -43,6 +43,7 @@ struct wlr_output {
 	char name[16];
 	char make[48];
 	char model[16];
+	char serial[16];
 	uint32_t scale;
 	int32_t width, height;
 	int32_t phys_width, phys_height; // mm
@@ -95,7 +96,8 @@ bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
 	int32_t hotspot_x, int32_t hotspot_y);
 void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
 	struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y);
-bool wlr_output_cursor_move(struct wlr_output_cursor *cursor, int x, int y);
+bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
+	double x, double y);
 void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor);
 
 #endif

include/wlr/types/wlr_seat.h

@@ -1,6 +1,6 @@
 #ifndef WLR_TYPES_WLR_SEAT_H
 #define WLR_TYPES_WLR_SEAT_H
-
+#include <time.h>
 #include <wlr/types/wlr_surface.h>
 #include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_keyboard.h>
@@ -45,9 +45,7 @@ struct wlr_keyboard_grab_interface {
 			struct wlr_surface *surface);
 	void (*key)(struct wlr_seat_keyboard_grab *grab, uint32_t time,
 			uint32_t key, uint32_t state);
-	void (*modifiers)(struct wlr_seat_keyboard_grab *grab,
-			uint32_t mods_depressed, uint32_t mods_latched,
-			uint32_t mods_locked, uint32_t group);
+	void (*modifiers)(struct wlr_seat_keyboard_grab *grab);
 	void (*cancel)(struct wlr_seat_keyboard_grab *grab);
 };
 
@@ -111,6 +109,7 @@ struct wlr_seat {
 	struct wl_list clients;
 	char *name;
 	uint32_t capabilities;
+	struct timespec last_event;
 
 	struct wlr_data_device *data_device; // TODO needed?
 	struct wlr_data_source *selection_source;
@@ -296,17 +295,13 @@ void wlr_seat_keyboard_notify_key(struct wlr_seat *seat, uint32_t time,
  * Send the modifier state to focused keyboard resources. Compositors should use
  * `wlr_seat_keyboard_notify_modifiers()` to respect any keyboard grabs.
  */
-void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat,
-		uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
-		uint32_t group);
+void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat);
 
 /**
  * Notify the seat that the modifiers for the keyboard have changed. Defers to
  * any keyboard grabs.
  */
-void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat,
-		uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
-		uint32_t group);
+void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat);
 
 /**
  * Notify the seat that the keyboard focus has changed and request it to be the

include/wlr/types/wlr_surface.h

@@ -1,10 +1,10 @@
 #ifndef WLR_TYPES_WLR_SURFACE_H
 #define WLR_TYPES_WLR_SURFACE_H
-
 #include <wayland-server.h>
 #include <pixman.h>
 #include <stdint.h>
 #include <stdbool.h>
+#include <wlr/types/wlr_output.h>
 
 struct wlr_frame_callback {
 	struct wl_resource *resource;
@@ -135,4 +135,11 @@ struct wlr_surface *wlr_surface_get_main_surface(struct wlr_surface *surface);
  */
 struct wlr_subsurface *wlr_surface_subsurface_at(struct wlr_surface *surface,
 		double sx, double sy, double *sub_x, double *sub_y);
+
+void wlr_surface_send_enter(struct wlr_surface *surface,
+		struct wlr_output *output);
+
+void wlr_surface_send_leave(struct wlr_surface *surface,
+		struct wlr_output *output);
+
 #endif

include/wlr/types/wlr_wl_shell.h

@@ -42,6 +42,8 @@ struct wlr_wl_shell_popup_grab {
 enum wlr_wl_shell_surface_state {
 	WLR_WL_SHELL_SURFACE_STATE_NONE,
 	WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL,
+	WLR_WL_SHELL_SURFACE_STATE_MAXIMIZED,
+	WLR_WL_SHELL_SURFACE_STATE_FULLSCREEN,
 	WLR_WL_SHELL_SURFACE_STATE_TRANSIENT,
 	WLR_WL_SHELL_SURFACE_STATE_POPUP,
 };
@@ -93,14 +95,14 @@ struct wlr_wl_shell_surface {
 struct wlr_wl_shell_surface_move_event {
 	struct wl_client *client;
 	struct wlr_wl_shell_surface *surface;
-	struct wlr_seat_handle *seat_handle;
+	struct wlr_seat_client *seat;
 	uint32_t serial;
 };
 
 struct wlr_wl_shell_surface_resize_event {
 	struct wl_client *client;
 	struct wlr_wl_shell_surface *surface;
-	struct wlr_seat_handle *seat_handle;
+	struct wlr_seat_client *seat;
 	uint32_t serial;
 	enum wl_shell_surface_resize edges;
 };

include/wlr/types/wlr_xcursor_manager.h

@@ -0,0 +1,53 @@
+#ifndef WLR_TYPES_WLR_XCURSOR_MANAGER_H
+#define WLR_TYPES_WLR_XCURSOR_MANAGER_H
+
+#include <wayland-server.h>
+#include <wlr/types/wlr_cursor.h>
+#include <wlr/xcursor.h>
+
+/**
+ * A scaled XCursor theme.
+ */
+struct wlr_xcursor_manager_theme {
+	uint32_t scale;
+	struct wlr_xcursor_theme *theme;
+	struct wl_list link;
+};
+
+/**
+ * Manage multiple XCursor themes with different scales and set `wlr_cursor`
+ * images.
+ *
+ * This manager can be used to display cursor images on multiple outputs having
+ * different scale factors.
+ */
+struct wlr_xcursor_manager {
+	char *name;
+	uint32_t size;
+	struct wl_list scaled_themes; // wlr_xcursor_manager_theme::link
+};
+
+/**
+ * Create a new XCursor manager. After initialization, scaled themes need to be
+ * loaded with `wlr_xcursor_manager_load`. `size` is the unscaled cursor theme
+ * size.
+ */
+struct wlr_xcursor_manager *wlr_xcursor_manager_create(const char *name,
+	uint32_t size);
+
+void wlr_xcursor_manager_destroy(struct wlr_xcursor_manager *manager);
+
+int wlr_xcursor_manager_load(struct wlr_xcursor_manager *manager,
+	uint32_t scale);
+
+struct wlr_xcursor *wlr_xcursor_manager_get_xcursor(
+	struct wlr_xcursor_manager *manager, const char *name, uint32_t scale);
+
+/**
+ * Set a `wlr_cursor` image. The manager uses all currently loaded scaled
+ * themes.
+ */
+void wlr_xcursor_manager_set_cursor_image(struct wlr_xcursor_manager *manager,
+	const char *name, struct wlr_cursor *cursor);
+
+#endif

include/wlr/types/wlr_xdg_shell_v6.h

@@ -126,6 +126,8 @@ struct wlr_xdg_surface_v6 {
 		struct wl_signal ack_configure;
 		struct wl_signal ping_timeout;
 
+		struct wl_signal request_maximize;
+		struct wl_signal request_fullscreen;
 		struct wl_signal request_minimize;
 		struct wl_signal request_move;
 		struct wl_signal request_resize;
@@ -138,14 +140,14 @@ struct wlr_xdg_surface_v6 {
 struct wlr_xdg_toplevel_v6_move_event {
 	struct wl_client *client;
 	struct wlr_xdg_surface_v6 *surface;
-	struct wlr_seat_handle *seat_handle;
+	struct wlr_seat_client *seat;
 	uint32_t serial;
 };
 
 struct wlr_xdg_toplevel_v6_resize_event {
 	struct wl_client *client;
 	struct wlr_xdg_surface_v6 *surface;
-	struct wlr_seat_handle *seat_handle;
+	struct wlr_seat_client *seat;
 	uint32_t serial;
 	uint32_t edges;
 };
@@ -153,7 +155,7 @@ struct wlr_xdg_toplevel_v6_resize_event {
 struct wlr_xdg_toplevel_v6_show_window_menu_event {
 	struct wl_client *client;
 	struct wlr_xdg_surface_v6 *surface;
-	struct wlr_seat_handle *seat_handle;
+	struct wlr_seat_client *seat;
 	uint32_t serial;
 	uint32_t x;
 	uint32_t y;
@@ -207,6 +209,12 @@ void wlr_xdg_toplevel_v6_set_resizing(struct wlr_xdg_surface_v6 *surface,
  */
 void wlr_xdg_toplevel_v6_send_close(struct wlr_xdg_surface_v6 *surface);
 
+/**
+ * Compute the popup position in surface-local coordinates.
+ */
+void wlr_xdg_surface_v6_popup_get_position(struct wlr_xdg_surface_v6 *surface,
+		double *popup_sx, double *popup_sy);
+
 /**
  * Find a popup within this surface at the surface-local coordinates. Returns
  * the popup and coordinates in the topmost surface coordinate system or NULL if

include/wlr/xcursor.h

@@ -61,7 +61,7 @@ struct wlr_xcursor_theme *wlr_xcursor_theme_load(const char *name, int size);
 void wlr_xcursor_theme_destroy(struct wlr_xcursor_theme *theme);
 
 struct wlr_xcursor *wlr_xcursor_theme_get_cursor(
-		struct wlr_xcursor_theme *theme, const char *name);
+	struct wlr_xcursor_theme *theme, const char *name);
 
 int wlr_xcursor_frame(struct wlr_xcursor *cursor, uint32_t time);
 

include/wlr/xwayland.h

@@ -29,6 +29,7 @@ struct wlr_xwayland {
 	struct wlr_xwayland_cursor *cursor;
 
 	struct {
+		struct wl_signal ready;
 		struct wl_signal new_surface;
 	} events;
 

rootston/config.c

@@ -13,6 +13,7 @@
 #include <wlr/types/wlr_box.h>
 #include "rootston/config.h"
 #include "rootston/input.h"
+#include "rootston/keyboard.h"
 #include "rootston/ini.h"
 
 static void usage(const char *name, int ret) {
@@ -114,7 +115,8 @@ static uint32_t parse_modifier(const char *symname) {
 
 void add_binding_config(struct wl_list *bindings, const char* combination,
 		const char* command) {
-	struct binding_config *bc = calloc(1, sizeof(struct binding_config));
+	struct roots_binding_config *bc =
+		calloc(1, sizeof(struct roots_binding_config));
 
 	xkb_keysym_t keysyms[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
 	char *symnames = strdup(combination);
@@ -150,7 +152,7 @@ void add_binding_config(struct wl_list *bindings, const char* combination,
 
 static void config_handle_keyboard(struct roots_config *config,
 		const char *device_name, const char *name, const char *value) {
-	struct keyboard_config *kc;
+	struct roots_keyboard_config *kc;
 	bool found = false;
 	wl_list_for_each(kc, &config->keyboards, link) {
 		if (strcmp(kc->name, device_name) == 0) {
@@ -160,7 +162,7 @@ static void config_handle_keyboard(struct roots_config *config,
 	}
 
 	if (!found) {
-		kc = calloc(1, sizeof(struct keyboard_config));
+		kc = calloc(1, sizeof(struct roots_keyboard_config));
 		kc->name = strdup(device_name);
 		wl_list_insert(&config->keyboards, &kc->link);
 	}
@@ -193,20 +195,20 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 		const char *value) {
 	struct roots_config *config = user;
 	if (strcmp(section, "core") == 0) {
-		   if (strcmp(name, "xwayland") == 0) {
-			   if (strcasecmp(value, "true") == 0) {
-					config->xwayland = true;
-			   } else if (strcasecmp(value, "false") == 0) {
-					config->xwayland = false;
-			   } else {
-					wlr_log(L_ERROR, "got unknown xwayland value: %s", value);
-			   }
-		   } else {
-			   wlr_log(L_ERROR, "got unknown core config: %s", name);
-		   }
+		if (strcmp(name, "xwayland") == 0) {
+			if (strcasecmp(value, "true") == 0) {
+				config->xwayland = true;
+			} else if (strcasecmp(value, "false") == 0) {
+				config->xwayland = false;
+			} else {
+				wlr_log(L_ERROR, "got unknown xwayland value: %s", value);
+			}
+		} else {
+			wlr_log(L_ERROR, "got unknown core config: %s", name);
+		}
 	} else if (strncmp(output_prefix, section, strlen(output_prefix)) == 0) {
 		const char *output_name = section + strlen(output_prefix);
-		struct output_config *oc;
+		struct roots_output_config *oc;
 		bool found = false;
 
 		wl_list_for_each(oc, &config->outputs, link) {
@@ -217,9 +219,10 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 		}
 
 		if (!found) {
-			oc = calloc(1, sizeof(struct output_config));
+			oc = calloc(1, sizeof(struct roots_output_config));
 			oc->name = strdup(output_name);
 			oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
+			oc->scale = 1;
 			wl_list_insert(&config->outputs, &oc->link);
 		}
 
@@ -227,6 +230,9 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 			oc->x = strtol(value, NULL, 10);
 		} else if (strcmp(name, "y") == 0) {
 			oc->y = strtol(value, NULL, 10);
+		} else if (strcmp(name, "scale") == 0) {
+			oc->scale = strtol(value, NULL, 10);
+			assert(oc->scale >= 1);
 		} else if (strcmp(name, "rotate") == 0) {
 			if (strcmp(value, "normal") == 0) {
 				oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
@@ -276,7 +282,7 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 	} else if (strncmp(device_prefix, section, strlen(device_prefix)) == 0) {
 		const char *device_name = section + strlen(device_prefix);
 
-		struct device_config *dc;
+		struct roots_device_config *dc;
 		bool found = false;
 		wl_list_for_each(dc, &config->devices, link) {
 			if (strcmp(dc->name, device_name) == 0) {
@@ -286,8 +292,9 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 		}
 
 		if (!found) {
-			dc = calloc(1, sizeof(struct device_config));
+			dc = calloc(1, sizeof(struct roots_device_config));
 			dc->name = strdup(device_name);
+			dc->seat = strdup("seat0");
 			wl_list_insert(&config->devices, &dc->link);
 		}
 
@@ -297,12 +304,16 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 		} else if (strcmp(name, "geometry") == 0) {
 			free(dc->mapped_box);
 			dc->mapped_box = parse_geometry(value);
+		} else if (strcmp(name, "seat") == 0) {
+			free(dc->seat);
+			dc->seat = strdup(value);
 		} else {
 			wlr_log(L_ERROR, "got unknown device config: %s", name);
 		}
 	} else if (strcmp(section, "keyboard") == 0) {
 		config_handle_keyboard(config, "", name, value);
-	} else if (strncmp(keyboard_prefix, section, strlen(keyboard_prefix)) == 0) {
+	} else if (strncmp(keyboard_prefix,
+				section, strlen(keyboard_prefix)) == 0) {
 		const char *device_name = section + strlen(keyboard_prefix);
 		config_handle_keyboard(config, device_name, name, value);
 	} else if (strcmp(section, "bindings") == 0) {
@@ -314,7 +325,7 @@ static int config_ini_handler(void *user, const char *section, const char *name,
 	return 1;
 }
 
-struct roots_config *parse_args(int argc, char *argv[]) {
+struct roots_config *roots_config_create_from_args(int argc, char *argv[]) {
 	struct roots_config *config = calloc(1, sizeof(struct roots_config));
 	if (config == NULL) {
 		return NULL;
@@ -361,7 +372,8 @@ struct roots_config *parse_args(int argc, char *argv[]) {
 		add_binding_config(&config->bindings, "Logo+Shift+E", "exit");
 		add_binding_config(&config->bindings, "Ctrl+q", "close");
 		add_binding_config(&config->bindings, "Alt+Tab", "next_window");
-		struct keyboard_config *kc = calloc(1, sizeof(struct keyboard_config));
+		struct roots_keyboard_config *kc =
+			calloc(1, sizeof(struct roots_keyboard_config));
 		kc->meta_key = WLR_MODIFIER_LOGO;
 		kc->name = strdup("");
 		wl_list_insert(&config->keyboards, &kc->link);
@@ -377,22 +389,23 @@ struct roots_config *parse_args(int argc, char *argv[]) {
 }
 
 void roots_config_destroy(struct roots_config *config) {
-	struct output_config *oc, *otmp = NULL;
+	struct roots_output_config *oc, *otmp = NULL;
 	wl_list_for_each_safe(oc, otmp, &config->outputs, link) {
 		free(oc->name);
 		free(oc);
 	}
 
-	struct device_config *dc, *dtmp = NULL;
+	struct roots_device_config *dc, *dtmp = NULL;
 	wl_list_for_each_safe(dc, dtmp, &config->devices, link) {
 		free(dc->name);
+		free(dc->seat);
 		free(dc->mapped_output);
 		free(dc->mapped_box);
 		free(dc);
 	}
 
-	struct keyboard_config *kc, *ktmp = NULL;
-	wl_list_for_each_safe(kc, ktmp, &config->bindings, link) {
+	struct roots_keyboard_config *kc, *ktmp = NULL;
+	wl_list_for_each_safe(kc, ktmp, &config->keyboards, link) {
 		free(kc->name);
 		free(kc->rules);
 		free(kc->model);
@@ -402,7 +415,7 @@ void roots_config_destroy(struct roots_config *config) {
 		free(kc);
 	}
 
-	struct binding_config *bc, *btmp = NULL;
+	struct roots_binding_config *bc, *btmp = NULL;
 	wl_list_for_each_safe(bc, btmp, &config->bindings, link) {
 		free(bc->keysyms);
 		free(bc->command);
@@ -415,9 +428,9 @@ void roots_config_destroy(struct roots_config *config) {
 	free(config);
 }
 
-struct output_config *config_get_output(struct roots_config *config,
+struct roots_output_config *roots_config_get_output(struct roots_config *config,
 		struct wlr_output *output) {
-	struct output_config *o_config;
+	struct roots_output_config *o_config;
 	wl_list_for_each(o_config, &config->outputs, link) {
 		if (strcmp(o_config->name, output->name) == 0) {
 			return o_config;
@@ -427,9 +440,9 @@ struct output_config *config_get_output(struct roots_config *config,
 	return NULL;
 }
 
-struct device_config *config_get_device(struct roots_config *config,
+struct roots_device_config *roots_config_get_device(struct roots_config *config,
 		struct wlr_input_device *device) {
-	struct device_config *d_config;
+	struct roots_device_config *d_config;
 	wl_list_for_each(d_config, &config->devices, link) {
 		if (strcmp(d_config->name, device->name) == 0) {
 			return d_config;
@@ -439,9 +452,9 @@ struct device_config *config_get_device(struct roots_config *config,
 	return NULL;
 }
 
-struct keyboard_config *config_get_keyboard(struct roots_config *config,
-		struct wlr_input_device *device) {
-	struct keyboard_config *kc;
+struct roots_keyboard_config *roots_config_get_keyboard(
+		struct roots_config *config, struct wlr_input_device *device) {
+	struct roots_keyboard_config *kc;
 	wl_list_for_each(kc, &config->keyboards, link) {
 		if ((device != NULL && strcmp(kc->name, device->name) == 0) ||
 				(device == NULL && strcmp(kc->name, "") == 0)) {

rootston/cursor.c

@@ -1,150 +1,93 @@
 #define _XOPEN_SOURCE 700
 #include <stdlib.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <string.h>
 #include <math.h>
-#include <assert.h>
 #ifdef __linux__
 #include <linux/input-event-codes.h>
 #elif __FreeBSD__
 #include <dev/evdev/input-event-codes.h>
 #endif
-#include <wayland-server.h>
-#include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_xcursor_manager.h>
 #include <wlr/util/log.h>
-#include <wlr/types/wlr_data_device.h>
-#include "rootston/config.h"
-#include "rootston/input.h"
-#include "rootston/desktop.h"
-#include "rootston/view.h"
+#include "rootston/xcursor.h"
+#include "rootston/cursor.h"
 
-const struct roots_input_event *get_input_event(struct roots_input *input,
-		uint32_t serial) {
-	size_t len = sizeof(input->input_events) / sizeof(*input->input_events);
-	for (size_t i = 0; i < len; ++i) {
-		if (input->input_events[i].cursor
-				&& input->input_events[i].serial == serial) {
-			return &input->input_events[i];
-		}
+struct roots_cursor *roots_cursor_create(struct roots_seat *seat) {
+	struct roots_cursor *cursor = calloc(1, sizeof(struct roots_cursor));
+	if (!cursor) {
+		return NULL;
 	}
-	return NULL;
-}
-
-static void cursor_set_xcursor_image(struct roots_input *input,
-		struct wlr_xcursor_image *image) {
-	wlr_cursor_set_image(input->cursor, image->buffer, image->width,
-		image->width, image->height, image->hotspot_x, image->hotspot_y);
-}
-
-void view_begin_move(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view) {
-	input->mode = ROOTS_CURSOR_MOVE;
-	input->offs_x = cursor->x;
-	input->offs_y = cursor->y;
-	input->view_x = view->x;
-	input->view_y = view->y;
-	wlr_seat_pointer_clear_focus(input->wl_seat);
-
-	struct wlr_xcursor *xcursor = get_move_xcursor(input->xcursor_theme);
-	if (xcursor != NULL) {
-		cursor_set_xcursor_image(input, xcursor->images[0]);
+	cursor->cursor = wlr_cursor_create();
+	if (!cursor->cursor) {
+		free(cursor);
+		return NULL;
 	}
+	return cursor;
 }
 
-void view_begin_resize(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view, uint32_t edges) {
-	input->mode = ROOTS_CURSOR_RESIZE;
-	input->offs_x = cursor->x;
-	input->offs_y = cursor->y;
-	input->view_x = view->x;
-	input->view_y = view->y;
-	struct wlr_box size;
-	view_get_size(view, &size);
-	input->view_width = size.width;
-	input->view_height = size.height;
-	input->resize_edges = edges;
-	wlr_seat_pointer_clear_focus(input->wl_seat);
-
-	struct wlr_xcursor *xcursor = get_resize_xcursor(input->xcursor_theme, edges);
-	if (xcursor != NULL) {
-		cursor_set_xcursor_image(input, xcursor->images[0]);
-	}
+void roots_cursor_destroy(struct roots_cursor *cursor) {
+	// TODO
 }
 
-void view_begin_rotate(struct roots_input *input, struct wlr_cursor *cursor,
-		struct roots_view *view) {
-	input->mode = ROOTS_CURSOR_ROTATE;
-	input->offs_x = cursor->x;
-	input->offs_y = cursor->y;
-	input->view_rotation = view->rotation;
-	wlr_seat_pointer_clear_focus(input->wl_seat);
-
-	struct wlr_xcursor *xcursor = get_rotate_xcursor(input->xcursor_theme);
-	if (xcursor != NULL) {
-		cursor_set_xcursor_image(input, xcursor->images[0]);
-	}
-}
-
-void cursor_update_position(struct roots_input *input, uint32_t time) {
-	struct roots_desktop *desktop = input->server->desktop;
+static void roots_cursor_update_position(struct roots_cursor *cursor, uint32_t time) {
+	struct roots_desktop *desktop = cursor->seat->input->server->desktop;
+	struct roots_seat *seat = cursor->seat;
 	struct roots_view *view;
 	struct wlr_surface *surface;
 	double sx, sy;
-	switch (input->mode) {
+	switch (cursor->mode) {
 	case ROOTS_CURSOR_PASSTHROUGH:
-		view = view_at(desktop, input->cursor->x, input->cursor->y,
+		view = view_at(desktop, cursor->cursor->x, cursor->cursor->y,
 			&surface, &sx, &sy);
-		bool set_compositor_cursor = !view && input->cursor_client;
+		bool set_compositor_cursor = !view && cursor->cursor_client;
 		if (view) {
 			struct wl_client *view_client =
 				wl_resource_get_client(view->wlr_surface->resource);
-			set_compositor_cursor = view_client != input->cursor_client;
+			set_compositor_cursor = view_client != cursor->cursor_client;
 		}
 		if (set_compositor_cursor) {
-			struct wlr_xcursor *xcursor = get_default_xcursor(input->xcursor_theme);
-			cursor_set_xcursor_image(input, xcursor->images[0]);
-			input->cursor_client = NULL;
+			wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
+				ROOTS_XCURSOR_DEFAULT, cursor->cursor);
+			cursor->cursor_client = NULL;
 		}
 		if (view) {
-			wlr_seat_pointer_notify_enter(input->wl_seat, surface, sx, sy);
-			wlr_seat_pointer_notify_motion(input->wl_seat, time, sx, sy);
+			wlr_seat_pointer_notify_enter(seat->seat, surface, sx, sy);
+			wlr_seat_pointer_notify_motion(seat->seat, time, sx, sy);
 		} else {
-			wlr_seat_pointer_clear_focus(input->wl_seat);
+			wlr_seat_pointer_clear_focus(seat->seat);
 		}
 		break;
 	case ROOTS_CURSOR_MOVE:
-		if (input->active_view) {
-			double dx = input->cursor->x - input->offs_x;
-			double dy = input->cursor->y - input->offs_y;
-			view_move(input->active_view, input->view_x + dx,
-				input->view_y + dy);
+		if (seat->focus) {
+			double dx = cursor->cursor->x - cursor->offs_x;
+			double dy = cursor->cursor->y - cursor->offs_y;
+			view_move(seat->focus, cursor->view_x + dx,
+				cursor->view_y + dy);
 		}
 		break;
 	case ROOTS_CURSOR_RESIZE:
-		if (input->active_view) {
-			double dx = input->cursor->x - input->offs_x;
-			double dy = input->cursor->y - input->offs_y;
-			double active_x = input->active_view->x;
-			double active_y = input->active_view->y;
-			int width = input->view_width;
-			int height = input->view_height;
-			if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
-				active_y = input->view_y + dy;
+		if (seat->focus) {
+			double dx = cursor->cursor->x - cursor->offs_x;
+			double dy = cursor->cursor->y - cursor->offs_y;
+			double active_x = seat->focus->x;
+			double active_y = seat->focus->y;
+			int width = cursor->view_width;
+			int height = cursor->view_height;
+			if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
+				active_y = cursor->view_y + dy;
 				height -= dy;
 				if (height < 0) {
 					active_y += height;
 				}
-			} else if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
+			} else if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
 				height += dy;
 			}
-			if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
-				active_x = input->view_x + dx;
+			if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
+				active_x = cursor->view_x + dx;
 				width -= dx;
 				if (width < 0) {
 					active_x += width;
 				}
-			} else if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
+			} else if (cursor->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
 				width += dx;
 			}
 
@@ -155,132 +98,51 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
 				height = 0;
 			}
 
-			if (active_x != input->active_view->x ||
-					active_y != input->active_view->y) {
-				view_move_resize(input->active_view, active_x, active_y,
+			if (active_x != seat->focus->x ||
+					active_y != seat->focus->y) {
+				view_move_resize(seat->focus, active_x, active_y,
 					width, height);
 			} else {
-				view_resize(input->active_view, width, height);
+				view_resize(seat->focus, width, height);
 			}
 		}
 		break;
 	case ROOTS_CURSOR_ROTATE:
-		if (input->active_view) {
-			struct roots_view *view = input->active_view;
+		if (seat->focus) {
+			struct roots_view *view = seat->focus;
 			int ox = view->x + view->wlr_surface->current->width/2,
 				oy = view->y + view->wlr_surface->current->height/2;
-			int ux = input->offs_x - ox,
-				uy = input->offs_y - oy;
-			int vx = input->cursor->x - ox,
-				vy = input->cursor->y - oy;
+			int ux = cursor->offs_x - ox,
+				uy = cursor->offs_y - oy;
+			int vx = cursor->cursor->x - ox,
+				vy = cursor->cursor->y - oy;
 			float angle = atan2(vx*uy - vy*ux, vx*ux + vy*uy);
 			int steps = 12;
 			angle = round(angle/M_PI*steps) / (steps/M_PI);
-			view->rotation = input->view_rotation + angle;
+			view->rotation = cursor->view_rotation + angle;
 		}
 		break;
 	}
+
 }
 
-void set_view_focus(struct roots_input *input, struct roots_desktop *desktop,
-		struct roots_view *view) {
-	if (input->active_view == view) {
-		return;
-	}
-	input->active_view = view;
-	input->mode = ROOTS_CURSOR_PASSTHROUGH;
-	if (!view) {
-		return;
-	}
-
-	if (view->type == ROOTS_XWAYLAND_VIEW &&
-			view->xwayland_surface->override_redirect) {
-		return;
-	}
-
-	size_t index = 0;
-	for (size_t i = 0; i < desktop->views->length; ++i) {
-		struct roots_view *_view = desktop->views->items[i];
-		if (_view != view) {
-			view_activate(_view, false);
-		} else {
-			index = i;
-		}
-	}
-	view_activate(view, true);
-	// TODO: list_swap
-	wlr_list_del(desktop->views, index);
-	wlr_list_add(desktop->views, view);
-	wlr_seat_keyboard_notify_enter(input->wl_seat, view->wlr_surface);
-}
-
-static void handle_cursor_motion(struct wl_listener *listener, void *data) {
-	struct roots_input *input = wl_container_of(listener, input, cursor_motion);
-	struct wlr_event_pointer_motion *event = data;
-	wlr_cursor_move(input->cursor, event->device,
-			event->delta_x, event->delta_y);
-	cursor_update_position(input, event->time_msec);
-}
-
-static void handle_cursor_motion_absolute(struct wl_listener *listener,
-		void *data) {
-	struct roots_input *input = wl_container_of(listener,
-			input, cursor_motion_absolute);
-	struct wlr_event_pointer_motion_absolute *event = data;
-	wlr_cursor_warp_absolute(input->cursor, event->device,
-		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
-	cursor_update_position(input, event->time_msec);
-}
-
-static void handle_cursor_axis(struct wl_listener *listener, void *data) {
-	struct roots_input *input =
-		wl_container_of(listener, input, cursor_axis);
-	struct wlr_event_pointer_axis *event = data;
-	wlr_seat_pointer_notify_axis(input->wl_seat, event->time_msec,
-		event->orientation, event->delta);
-}
-
-static bool is_meta_pressed(struct roots_input *input,
-		struct wlr_input_device *device) {
-	uint32_t meta_key = 0;
-	struct keyboard_config *config;
-	if ((config = config_get_keyboard(input->server->config, device))) {
-		meta_key = config->meta_key;
-	} else if (!meta_key && (config = config_get_keyboard(input->server->config,
-			NULL))) {
-		meta_key = config->meta_key;
-	}
-	if (meta_key == 0) {
-		return false;
-	}
-
-	struct roots_keyboard *keyboard;
-	wl_list_for_each(keyboard, &input->keyboards, link) {
-		uint32_t modifiers =
-			wlr_keyboard_get_modifiers(keyboard->device->keyboard);
-		if ((modifiers ^ meta_key) == 0) {
-			return true;
-		}
-	}
-	return false;
-}
-
-static void do_cursor_button_press(struct roots_input *input,
-		struct wlr_cursor *cursor, struct wlr_input_device *device,
-		uint32_t time, uint32_t button, uint32_t state) {
-	struct roots_desktop *desktop = input->server->desktop;
+static void roots_cursor_press_button(struct roots_cursor *cursor,
+		struct wlr_input_device *device, uint32_t time, uint32_t button,
+		uint32_t state) {
+	struct roots_seat *seat = cursor->seat;
+	struct roots_desktop *desktop = seat->input->server->desktop;
 	struct wlr_surface *surface;
 	double sx, sy;
 	struct roots_view *view = view_at(desktop,
-		input->cursor->x, input->cursor->y, &surface, &sx, &sy);
+		cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy);
 
-	if (state == WLR_BUTTON_PRESSED && view && is_meta_pressed(input, device)) {
-		set_view_focus(input, desktop, view);
+	if (state == WLR_BUTTON_PRESSED && view && roots_seat_has_meta_pressed(seat)) {
+		roots_seat_focus_view(seat, view);
 
 		uint32_t edges;
 		switch (button) {
 		case BTN_LEFT:
-			view_begin_move(input, cursor, view);
+			roots_seat_begin_move(seat, view);
 			break;
 		case BTN_RIGHT:
 			edges = 0;
@@ -294,110 +156,163 @@ static void do_cursor_button_press(struct roots_input *input,
 			} else {
 				edges |= ROOTS_CURSOR_RESIZE_EDGE_BOTTOM;
 			}
-			view_begin_resize(input, cursor, view, edges);
+			roots_seat_begin_resize(seat, view, edges);
 			break;
 		case BTN_MIDDLE:
-			view_begin_rotate(input, cursor, view);
+			roots_seat_begin_rotate(seat, view);
 			break;
 		}
 		return;
 	}
 
-	uint32_t serial = wlr_seat_pointer_notify_button(input->wl_seat, time, button,
-		state);
+	uint32_t serial =
+		wlr_seat_pointer_notify_button(seat->seat, time, button, state);
 
 	int i;
 	switch (state) {
 	case WLR_BUTTON_RELEASED:
-		set_view_focus(input, desktop, NULL);
-		cursor_update_position(input, time);
+		seat->cursor->mode = ROOTS_CURSOR_PASSTHROUGH;
+		roots_cursor_update_position(cursor, time);
 		break;
 	case WLR_BUTTON_PRESSED:
-		i = input->input_events_idx;
-		input->input_events[i].serial = serial;
-		input->input_events[i].cursor = cursor;
-		input->input_events[i].device = device;
-		input->input_events_idx = (i + 1)
-			% (sizeof(input->input_events) / sizeof(input->input_events[0]));
-		set_view_focus(input, desktop, view);
+		i = cursor->input_events_idx;
+		cursor->input_events[i].serial = serial;
+		cursor->input_events[i].cursor = cursor->cursor;
+		cursor->input_events[i].device = device;
+		cursor->input_events_idx = (i + 1)
+			% (sizeof(cursor->input_events) / sizeof(cursor->input_events[0]));
+		roots_seat_focus_view(seat, view);
 		break;
 	}
 }
 
-static void handle_cursor_button(struct wl_listener *listener, void *data) {
-	struct roots_input *input = wl_container_of(listener, input, cursor_button);
-	struct wlr_event_pointer_button *event = data;
-	do_cursor_button_press(input, input->cursor, event->device,
-			event->time_msec, event->button, event->state);
+void roots_cursor_handle_motion(struct roots_cursor *cursor,
+		struct wlr_event_pointer_motion *event) {
+	wlr_cursor_move(cursor->cursor, event->device,
+			event->delta_x, event->delta_y);
+	roots_cursor_update_position(cursor, event->time_msec);
 }
 
-static void handle_touch_down(struct wl_listener *listener, void *data) {
-	struct wlr_event_touch_down *event = data;
-	struct roots_input *input =
-		wl_container_of(listener, input, cursor_touch_down);
+void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
+		struct wlr_event_pointer_motion_absolute *event) {
+	wlr_cursor_warp_absolute(cursor->cursor, event->device,
+		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
+	roots_cursor_update_position(cursor, event->time_msec);
+}
+
+void roots_cursor_handle_button(struct roots_cursor *cursor,
+		struct wlr_event_pointer_button *event) {
+	roots_cursor_press_button(cursor, event->device, event->time_msec,
+		event->button, event->state);
+}
+
+void roots_cursor_handle_axis(struct roots_cursor *cursor,
+		struct wlr_event_pointer_axis *event) {
+	wlr_seat_pointer_notify_axis(cursor->seat->seat, event->time_msec,
+		event->orientation, event->delta);
+}
+
+void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
+		struct wlr_event_touch_down *event) {
 	struct roots_touch_point *point =
 		calloc(1, sizeof(struct roots_touch_point));
+	if (!point) {
+		wlr_log(L_ERROR, "could not allocate memory for touch point");
+		return;
+	}
+
 	point->device = event->device->data;
 	point->slot = event->slot;
 	point->x = event->x_mm / event->width_mm;
 	point->y = event->y_mm / event->height_mm;
-	wlr_cursor_warp_absolute(input->cursor, event->device, point->x, point->y);
-	cursor_update_position(input, event->time_msec);
-	wl_list_insert(&input->touch_points, &point->link);
-	do_cursor_button_press(input, input->cursor, event->device,
+	wlr_cursor_warp_absolute(cursor->cursor, event->device, point->x, point->y);
+	roots_cursor_update_position(cursor, event->time_msec);
+	wl_list_insert(&cursor->touch_points, &point->link);
+	roots_cursor_press_button(cursor,  event->device,
 		event->time_msec, BTN_LEFT, 1);
 }
 
-static void handle_touch_up(struct wl_listener *listener, void *data) {
-	struct wlr_event_touch_up *event = data;
-	struct roots_input *input =
-			wl_container_of(listener, input, cursor_touch_up);
+void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
+		struct wlr_event_touch_up *event) {
 	struct roots_touch_point *point;
-	wl_list_for_each(point, &input->touch_points, link) {
+	wl_list_for_each(point, &cursor->touch_points, link) {
 		if (point->slot == event->slot) {
 			wl_list_remove(&point->link);
+			free(point);
 			break;
 		}
 	}
-	do_cursor_button_press(input, input->cursor, event->device,
+	roots_cursor_press_button(cursor, event->device,
 		event->time_msec, BTN_LEFT, 0);
 }
 
-static void handle_touch_motion(struct wl_listener *listener, void *data) {
-	struct wlr_event_touch_motion *event = data;
-	struct roots_input *input =
-		wl_container_of(listener, input, cursor_touch_motion);
+void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
+		struct wlr_event_touch_motion *event) {
 	struct roots_touch_point *point;
-	wl_list_for_each(point, &input->touch_points, link) {
+	wl_list_for_each(point, &cursor->touch_points, link) {
 		if (point->slot == event->slot) {
 			point->x = event->x_mm / event->width_mm;
 			point->y = event->y_mm / event->height_mm;
-			wlr_cursor_warp_absolute(input->cursor, event->device,
+			wlr_cursor_warp_absolute(cursor->cursor, event->device,
 					point->x, point->y);
-			cursor_update_position(input, event->time_msec);
+			roots_cursor_update_position(cursor, event->time_msec);
 			break;
 		}
 	}
 }
 
-static void handle_tool_axis(struct wl_listener *listener, void *data) {
-	struct roots_input *input = wl_container_of(listener, input, cursor_tool_axis);
-	struct wlr_event_tablet_tool_axis *event = data;
+void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
+		struct wlr_event_tablet_tool_axis *event) {
 	if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
 			(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
-		wlr_cursor_warp_absolute(input->cursor, event->device,
+		wlr_cursor_warp_absolute(cursor->cursor, event->device,
 			event->x_mm / event->width_mm, event->y_mm / event->height_mm);
-		cursor_update_position(input, event->time_msec);
+		roots_cursor_update_position(cursor, event->time_msec);
+	} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
+		wlr_cursor_warp_absolute(cursor->cursor, event->device,
+			event->x_mm / event->width_mm, -1);
+		roots_cursor_update_position(cursor, event->time_msec);
+	} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
+		wlr_cursor_warp_absolute(cursor->cursor, event->device,
+			-1, event->y_mm / event->height_mm);
+		roots_cursor_update_position(cursor, event->time_msec);
 	}
 }
 
-static void handle_tool_tip(struct wl_listener *listener, void *data) {
-	struct roots_input *input = wl_container_of(listener, input, cursor_tool_tip);
-	struct wlr_event_tablet_tool_tip *event = data;
-	do_cursor_button_press(input, input->cursor, event->device,
+void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
+		struct wlr_event_tablet_tool_tip *event) {
+	roots_cursor_press_button(cursor, event->device,
 		event->time_msec, BTN_LEFT, event->state);
 }
 
+void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
+		struct wlr_seat_pointer_request_set_cursor_event *event) {
+	struct wlr_surface *focused_surface =
+		event->seat_client->seat->pointer_state.focused_surface;
+	bool has_focused = focused_surface != NULL && focused_surface->resource != NULL;
+	struct wl_client *focused_client = NULL;
+	if (has_focused) {
+		focused_client = wl_resource_get_client(focused_surface->resource);
+	}
+	if (event->seat_client->client != focused_client ||
+			cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
+		wlr_log(L_DEBUG, "Denying request to set cursor from unfocused client");
+		return;
+	}
+
+	wlr_log(L_DEBUG, "Setting client cursor");
+	wlr_cursor_set_surface(cursor->cursor, event->surface, event->hotspot_x,
+		event->hotspot_y);
+	cursor->cursor_client = event->seat_client->client;
+}
+
+static void handle_drag_icon_commit(struct wl_listener *listener, void *data) {
+	struct roots_drag_icon *drag_icon =
+		wl_container_of(listener, drag_icon, surface_commit);
+	drag_icon->sx += drag_icon->surface->current->sx;
+	drag_icon->sy += drag_icon->surface->current->sy;
+}
+
 static void handle_drag_icon_destroy(struct wl_listener *listener, void *data) {
 	struct roots_drag_icon *drag_icon =
 		wl_container_of(listener, drag_icon, surface_destroy);
@@ -407,24 +322,14 @@ static void handle_drag_icon_destroy(struct wl_listener *listener, void *data) {
 	free(drag_icon);
 }
 
-static void handle_drag_icon_commit(struct wl_listener *listener, void *data) {
-	struct roots_drag_icon *drag_icon =
-		wl_container_of(listener, drag_icon, surface_commit);
-	drag_icon->sx += drag_icon->surface->current->sx;
-	drag_icon->sy += drag_icon->surface->current->sy;
-}
-
-static void handle_pointer_grab_begin(struct wl_listener *listener,
-		void *data) {
-	struct roots_input *input =
-		wl_container_of(listener, input, pointer_grab_begin);
-	struct wlr_seat_pointer_grab *grab = data;
-
+void roots_cursor_handle_pointer_grab_begin(struct roots_cursor *cursor,
+		struct wlr_seat_pointer_grab *grab) {
+	struct roots_seat *seat = cursor->seat;
 	if (grab->interface == &wlr_data_device_pointer_drag_interface) {
 		struct wlr_drag *drag = grab->data;
 		if (drag->icon) {
 			struct roots_drag_icon *iter_icon;
-			wl_list_for_each(iter_icon, &input->drag_icons, link) {
+			wl_list_for_each(iter_icon, &seat->drag_icons, link) {
 				if (iter_icon->surface == drag->icon) {
 					// already in the list
 					return;
@@ -435,7 +340,7 @@ static void handle_pointer_grab_begin(struct wl_listener *listener,
 				calloc(1, sizeof(struct roots_drag_icon));
 			drag_icon->mapped = true;
 			drag_icon->surface = drag->icon;
-			wl_list_insert(&input->drag_icons, &drag_icon->link);
+			wl_list_insert(&seat->drag_icons, &drag_icon->link);
 
 			wl_signal_add(&drag->icon->events.destroy,
 				&drag_icon->surface_destroy);
@@ -448,155 +353,17 @@ static void handle_pointer_grab_begin(struct wl_listener *listener,
 	}
 }
 
-static void handle_pointer_grab_end(struct wl_listener *listener, void *data) {
-	struct roots_input *input =
-		wl_container_of(listener, input, pointer_grab_end);
-	struct wlr_seat_pointer_grab *grab = data;
-
+void roots_cursor_handle_pointer_grab_end(struct roots_cursor *cursor,
+		struct wlr_seat_pointer_grab *grab) {
 	if (grab->interface == &wlr_data_device_pointer_drag_interface) {
 		struct wlr_drag *drag = grab->data;
 		struct roots_drag_icon *icon;
-		wl_list_for_each(icon, &input->drag_icons, link) {
+		wl_list_for_each(icon, &cursor->seat->drag_icons, link) {
 			if (icon->surface == drag->icon) {
 				icon->mapped = false;
 			}
 		}
 	}
 
-	cursor_update_position(input, 0);
-}
-
-static void handle_request_set_cursor(struct wl_listener *listener,
-		void *data) {
-	struct roots_input *input = wl_container_of(listener, input,
-		request_set_cursor);
-	struct wlr_seat_pointer_request_set_cursor_event *event = data;
-
-	struct wlr_surface *focused_surface =
-		event->seat_client->seat->pointer_state.focused_surface;
-	bool ok = focused_surface != NULL && focused_surface->resource != NULL;
-	if (ok) {
-		struct wl_client *focused_client =
-			wl_resource_get_client(focused_surface->resource);
-		ok = event->seat_client->client == focused_client;
-	}
-	if (!ok || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
-		wlr_log(L_DEBUG, "Denying request to set cursor from unfocused client");
-		return;
-	}
-
-	wlr_log(L_DEBUG, "Setting client cursor");
-	wlr_cursor_set_surface(input->cursor, event->surface, event->hotspot_x,
-		event->hotspot_y);
-	input->cursor_client = event->seat_client->client;
-}
-
-void cursor_initialize(struct roots_input *input) {
-	struct wlr_cursor *cursor = input->cursor;
-
-	// TODO: Does this belong here
-	wl_list_init(&input->touch_points);
-
-	wl_signal_add(&cursor->events.motion, &input->cursor_motion);
-	input->cursor_motion.notify = handle_cursor_motion;
-
-	wl_signal_add(&cursor->events.motion_absolute,
-		&input->cursor_motion_absolute);
-	input->cursor_motion_absolute.notify = handle_cursor_motion_absolute;
-
-	wl_signal_add(&cursor->events.button, &input->cursor_button);
-	input->cursor_button.notify = handle_cursor_button;
-
-	wl_signal_add(&cursor->events.axis, &input->cursor_axis);
-	input->cursor_axis.notify = handle_cursor_axis;
-
-	wl_signal_add(&cursor->events.touch_down, &input->cursor_touch_down);
-	input->cursor_touch_down.notify = handle_touch_down;
-
-	wl_signal_add(&cursor->events.touch_up, &input->cursor_touch_up);
-	input->cursor_touch_up.notify = handle_touch_up;
-
-	wl_signal_add(&cursor->events.touch_motion, &input->cursor_touch_motion);
-	input->cursor_touch_motion.notify = handle_touch_motion;
-
-	wl_signal_add(&cursor->events.tablet_tool_axis, &input->cursor_tool_axis);
-	input->cursor_tool_axis.notify = handle_tool_axis;
-
-	wl_signal_add(&cursor->events.tablet_tool_tip, &input->cursor_tool_tip);
-	input->cursor_tool_tip.notify = handle_tool_tip;
-
-	wl_signal_add(&input->wl_seat->events.pointer_grab_end, &input->pointer_grab_end);
-	input->pointer_grab_end.notify = handle_pointer_grab_end;
-
-	wl_signal_add(&input->wl_seat->events.pointer_grab_begin, &input->pointer_grab_begin);
-	input->pointer_grab_begin.notify = handle_pointer_grab_begin;
-
-	wl_list_init(&input->request_set_cursor.link);
-
-	wl_signal_add(&input->wl_seat->events.request_set_cursor,
-		&input->request_set_cursor);
-	input->request_set_cursor.notify = handle_request_set_cursor;
-}
-
-static void reset_device_mappings(struct roots_config *config,
-		struct wlr_cursor *cursor, struct wlr_input_device *device) {
-	wlr_cursor_map_input_to_output(cursor, device, NULL);
-	struct device_config *dconfig;
-	if ((dconfig = config_get_device(config, device))) {
-		wlr_cursor_map_input_to_region(cursor, device, dconfig->mapped_box);
-	}
-}
-
-static void set_device_output_mappings(struct roots_config *config,
-		struct wlr_cursor *cursor, struct wlr_output *output,
-		struct wlr_input_device *device) {
-	struct device_config *dconfig;
-	dconfig = config_get_device(config, device);
-	if (dconfig && dconfig->mapped_output &&
-			strcmp(dconfig->mapped_output, output->name) == 0) {
-		wlr_cursor_map_input_to_output(cursor, device, output);
-	}
-}
-
-void cursor_load_config(struct roots_config *config,
-		struct wlr_cursor *cursor,
-		struct roots_input *input,
-		struct roots_desktop *desktop) {
-	struct roots_pointer *pointer;
-	struct roots_touch *touch;
-	struct roots_tablet_tool *tablet_tool;
-	struct roots_output *output;
-
-	// reset mappings
-	wlr_cursor_map_to_output(cursor, NULL);
-	wl_list_for_each(pointer, &input->pointers, link) {
-		reset_device_mappings(config, cursor, pointer->device);
-	}
-	wl_list_for_each(touch, &input->touch, link) {
-		reset_device_mappings(config, cursor, touch->device);
-	}
-	wl_list_for_each(tablet_tool, &input->tablet_tools, link) {
-		reset_device_mappings(config, cursor, tablet_tool->device);
-	}
-
-	// configure device to output mappings
-	const char *mapped_output = config->cursor.mapped_output;
-	wl_list_for_each(output, &desktop->outputs, link) {
-		if (mapped_output && strcmp(mapped_output, output->wlr_output->name) == 0) {
-			wlr_cursor_map_to_output(cursor, output->wlr_output);
-		}
-
-		wl_list_for_each(pointer, &input->pointers, link) {
-			set_device_output_mappings(config, cursor, output->wlr_output,
-				pointer->device);
-		}
-		wl_list_for_each(tablet_tool, &input->tablet_tools, link) {
-			set_device_output_mappings(config, cursor, output->wlr_output,
-				tablet_tool->device);
-		}
-		wl_list_for_each(touch, &input->touch, link) {
-			set_device_output_mappings(config, cursor, output->wlr_output,
-				touch->device);
-		}
-	}
+	roots_cursor_update_position(cursor, 0);
 }

rootston/desktop.c

@@ -10,19 +10,25 @@
 #include <wlr/types/wlr_server_decoration.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_wl_shell.h>
+#include <wlr/types/wlr_xcursor_manager.h>
 #include <wlr/types/wlr_xdg_shell_v6.h>
 #include <wlr/util/log.h>
 #include <server-decoration-protocol.h>
 #include "rootston/server.h"
-#include "rootston/server.h"
+#include "rootston/seat.h"
+#include "rootston/xcursor.h"
 
+// TODO replace me with a signal
 void view_destroy(struct roots_view *view) {
 	struct roots_desktop *desktop = view->desktop;
 
 	struct roots_input *input = desktop->server->input;
-	if (input->active_view == view) {
-		input->active_view = NULL;
-		input->mode = ROOTS_CURSOR_PASSTHROUGH;
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (seat->focus == view) {
+			seat->focus = NULL;
+			seat->cursor->mode = ROOTS_CURSOR_PASSTHROUGH;
+		}
 	}
 
 	for (size_t i = 0; i < desktop->views->length; ++i) {
@@ -35,14 +41,49 @@ void view_destroy(struct roots_view *view) {
 	free(view);
 }
 
-void view_get_size(struct roots_view *view, struct wlr_box *box) {
+void view_get_box(const struct roots_view *view, struct wlr_box *box) {
+	box->x = view->x;
+	box->y = view->y;
 	if (view->get_size) {
 		view->get_size(view, box);
-		return;
+	} else {
+		box->width = view->wlr_surface->current->width;
+		box->height = view->wlr_surface->current->height;
+	}
+}
+
+static void view_update_output(const struct roots_view *view,
+		const struct wlr_box *before) {
+	struct roots_desktop *desktop = view->desktop;
+	struct roots_output *output;
+	struct wlr_box box;
+	view_get_box(view, &box);
+	wl_list_for_each(output, &desktop->outputs, link) {
+		bool intersected = before->x != -1 && wlr_output_layout_intersects(
+				desktop->layout, output->wlr_output,
+				before->x, before->y, before->x + before->width,
+				before->y + before->height);
+		bool intersects = wlr_output_layout_intersects(
+				desktop->layout, output->wlr_output,
+				view->x, view->y, view->x + box.width, view->y + box.height);
+		if (intersected && !intersects) {
+			wlr_surface_send_leave(view->wlr_surface, output->wlr_output);
+		}
+		if (!intersected && intersects) {
+			wlr_surface_send_enter(view->wlr_surface, output->wlr_output);
+		}
+	}
+}
+
+void view_move(struct roots_view *view, double x, double y) {
+	struct wlr_box before;
+	view_get_box(view, &before);
+	if (view->move) {
+		view->move(view, x, y);
+	} else {
+		view->x = x;
+		view->y = y;
 	}
-	box->x = box->y = 0;
-	box->width = view->wlr_surface->current->width;
-	box->height = view->wlr_surface->current->height;
 }
 
 void view_activate(struct roots_view *view, bool activate) {
@@ -51,20 +92,13 @@ void view_activate(struct roots_view *view, bool activate) {
 	}
 }
 
-void view_move(struct roots_view *view, double x, double y) {
-	if (view->move) {
-		view->move(view, x, y);
-		return;
-	}
-
-	view->x = x;
-	view->y = y;
-}
-
 void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
+	struct wlr_box before;
+	view_get_box(view, &before);
 	if (view->resize) {
 		view->resize(view, width, height);
 	}
+	view_update_output(view, &before);
 }
 
 void view_move_resize(struct roots_view *view, double x, double y,
@@ -78,6 +112,50 @@ void view_move_resize(struct roots_view *view, double x, double y,
 	view_resize(view, width, height);
 }
 
+void view_maximize(struct roots_view *view, bool maximized) {
+	if (view->maximized == maximized) {
+		return;
+	}
+
+	if (view->maximize) {
+		view->maximize(view, maximized);
+	}
+
+	if (!view->maximized && maximized) {
+		struct wlr_box view_box;
+		view_get_box(view, &view_box);
+
+		view->maximized = true;
+		view->saved.x = view->x;
+		view->saved.y = view->y;
+		view->saved.rotation = view->rotation;
+		view->saved.width = view_box.width;
+		view->saved.height = view_box.height;
+
+		double output_x, output_y;
+		wlr_output_layout_closest_point(view->desktop->layout, NULL,
+			view->x + (double)view_box.width/2,
+			view->y + (double)view_box.height/2,
+			&output_x, &output_y);
+		struct wlr_output *output = wlr_output_layout_output_at(
+			view->desktop->layout, output_x, output_y);
+		struct wlr_box *output_box =
+			wlr_output_layout_get_box(view->desktop->layout, output);
+
+		view_move_resize(view, output_box->x, output_box->y, output_box->width,
+			output_box->height);
+		view->rotation = 0;
+	}
+
+	if (view->maximized && !maximized) {
+		view->maximized = false;
+
+		view_move_resize(view, view->saved.x, view->saved.y, view->saved.width,
+			view->saved.height);
+		view->rotation = view->saved.rotation;
+	}
+}
+
 void view_close(struct roots_view *view) {
 	if (view->close) {
 		view->close(view);
@@ -85,19 +163,26 @@ void view_close(struct roots_view *view) {
 }
 
 bool view_center(struct roots_view *view) {
-	struct wlr_box size;
-	view_get_size(view, &size);
+	struct wlr_box box;
+	view_get_box(view, &box);
 
 	struct roots_desktop *desktop = view->desktop;
-	struct wlr_cursor *cursor = desktop->server->input->cursor;
-
-	struct wlr_output *output =
-		wlr_output_layout_output_at(desktop->layout, cursor->x, cursor->y);
-
-	if (!output) {
-		output = wlr_output_layout_get_center_output(desktop->layout);
+	struct roots_input *input = desktop->server->input;
+	struct roots_seat *seat = NULL, *_seat;
+	wl_list_for_each(_seat, &input->seats, link) {
+		if (!seat || (seat->seat->last_event.tv_sec > _seat->seat->last_event.tv_sec &&
+				seat->seat->last_event.tv_nsec > _seat->seat->last_event.tv_nsec)) {
+			seat = _seat;
+		}
+	}
+	if (!seat) {
+		return false;
 	}
 
+	struct wlr_output *output =
+		wlr_output_layout_output_at(desktop->layout,
+				seat->cursor->cursor->x,
+				seat->cursor->cursor->y);
 	if (!output) {
 		// empty layout
 		return false;
@@ -109,22 +194,30 @@ bool view_center(struct roots_view *view) {
 	int width, height;
 	wlr_output_effective_resolution(output, &width, &height);
 
-	double view_x = (double)(width - size.width) / 2 + l_output->x;
-	double view_y = (double)(height - size.height) / 2 + l_output->y;
-
+	double view_x = (double)(width - box.width) / 2 + l_output->x;
+	double view_y = (double)(height - box.height) / 2 + l_output->y;
 	view_move(view, view_x, view_y);
 
 	return true;
 }
 
 void view_setup(struct roots_view *view) {
-	view_center(view);
-
 	struct roots_input *input = view->desktop->server->input;
-	set_view_focus(input, view->desktop, view);
+	// TODO what seat gets focus? the one with the last input event?
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		roots_seat_focus_view(seat, view);
+	}
+
+	view_center(view);
+	struct wlr_box before;
+	view_get_box(view, &before);
+	view_update_output(view, &before);
 }
 
 void view_teardown(struct roots_view *view) {
+	// TODO replace me with a signal
+	/*
 	struct wlr_list *views = view->desktop->views;
 	if (views->length < 2 || views->items[views->length-1] != view) {
 		return;
@@ -133,12 +226,12 @@ void view_teardown(struct roots_view *view) {
 	struct roots_view *prev_view = views->items[views->length-2];
 	struct roots_input *input = prev_view->desktop->server->input;
 	set_view_focus(input, prev_view->desktop, prev_view);
-	wlr_seat_keyboard_notify_enter(input->wl_seat, prev_view->wlr_surface);
+	*/
 }
 
 struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 		struct wlr_surface **surface, double *sx, double *sy) {
-	for (int i = desktop->views->length - 1; i >= 0; --i) {
+	for (ssize_t i = desktop->views->length - 1; i >= 0; --i) {
 		struct roots_view *view = desktop->views->items[i];
 
 		if (view->type == ROOTS_WL_SHELL_VIEW &&
@@ -150,11 +243,12 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 		double view_sx = lx - view->x;
 		double view_sy = ly - view->y;
 
+		struct wlr_surface_state *state = view->wlr_surface->current;
 		struct wlr_box box = {
 			.x = 0,
 			.y = 0,
-			.width = view->wlr_surface->current->buffer_width,
-			.height = view->wlr_surface->current->buffer_height,
+			.width = state->buffer_width / state->scale,
+			.height = state->buffer_height / state->scale,
 		};
 		if (view->rotation != 0.0) {
 			// Coordinates relative to the center of the view
@@ -168,7 +262,6 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 		}
 
 		if (view->type == ROOTS_XDG_SHELL_V6_VIEW) {
-			// TODO: test if this works with rotated views
 			double popup_sx, popup_sy;
 			struct wlr_xdg_surface_v6 *popup =
 				wlr_xdg_surface_v6_popup_at(view->xdg_surface_v6,
@@ -183,7 +276,6 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 		}
 
 		if (view->type == ROOTS_WL_SHELL_VIEW) {
-			// TODO: test if this works with rotated views
 			double popup_sx, popup_sy;
 			struct wlr_wl_shell_surface *popup =
 				wlr_wl_shell_surface_popup_at(view->wl_shell_surface,
@@ -245,6 +337,16 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 
 	desktop->server = server;
 	desktop->config = config;
+
+	desktop->xcursor_manager = wlr_xcursor_manager_create(NULL,
+		ROOTS_XCURSOR_SIZE);
+	if (desktop->xcursor_manager == NULL) {
+		wlr_log(L_ERROR, "Cannot create XCursor manager");
+		wlr_list_free(desktop->views);
+		free(desktop);
+		return NULL;
+	}
+
 	desktop->layout = wlr_output_layout_create();
 	desktop->compositor = wlr_compositor_create(server->wl_display,
 		server->renderer);
@@ -266,6 +368,18 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 		wl_signal_add(&desktop->xwayland->events.new_surface,
 			&desktop->xwayland_surface);
 		desktop->xwayland_surface.notify = handle_xwayland_surface;
+
+		if (wlr_xcursor_manager_load(desktop->xcursor_manager, 1)) {
+			wlr_log(L_ERROR, "Cannot load XWayland XCursor theme");
+		}
+		struct wlr_xcursor *xcursor = wlr_xcursor_manager_get_xcursor(
+			desktop->xcursor_manager, ROOTS_XCURSOR_DEFAULT, 1);
+		if (xcursor != NULL) {
+			struct wlr_xcursor_image *image = xcursor->images[0];
+			wlr_xwayland_set_cursor(desktop->xwayland, image->buffer,
+				image->width, image->width, image->height, image->hotspot_x,
+				image->hotspot_y);
+		}
 	}
 #endif
 

rootston/input.c

@@ -8,6 +8,8 @@
 #include "rootston/server.h"
 #include "rootston/config.h"
 #include "rootston/input.h"
+#include "rootston/keyboard.h"
+#include "rootston/seat.h"
 
 static const char *device_type(enum wlr_input_device_type type) {
 	switch (type) {
@@ -25,47 +27,48 @@ static const char *device_type(enum wlr_input_device_type type) {
 	return NULL;
 }
 
+static struct roots_seat *input_get_seat(struct roots_input *input, char *name) {
+	struct roots_seat *seat = NULL;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (strcmp(seat->seat->name, name) == 0) {
+			return seat;
+		}
+	}
+
+	seat = roots_seat_create(input, name);
+	return seat;
+}
+
 static void input_add_notify(struct wl_listener *listener, void *data) {
 	struct wlr_input_device *device = data;
 	struct roots_input *input = wl_container_of(listener, input, input_add);
-	wlr_log(L_DEBUG, "New input device: %s (%d:%d) %s", device->name,
-			device->vendor, device->product, device_type(device->type));
-	switch (device->type) {
-	case WLR_INPUT_DEVICE_KEYBOARD:
-		keyboard_add(device, input);
-		break;
-	case WLR_INPUT_DEVICE_POINTER:
-		pointer_add(device, input);
-		break;
-	case WLR_INPUT_DEVICE_TOUCH:
-		touch_add(device, input);
-		break;
-	case WLR_INPUT_DEVICE_TABLET_TOOL:
-		tablet_tool_add(device, input);
-		break;
-	default:
-		break;
+
+	char *seat_name = "seat0";
+	struct roots_device_config *dc =
+		roots_config_get_device(input->config, device);
+	if (dc) {
+		seat_name = dc->seat;
 	}
+
+	struct roots_seat *seat = input_get_seat(input, seat_name);
+	if (!seat) {
+		wlr_log(L_ERROR, "could not create roots seat");
+		return;
+	}
+
+	wlr_log(L_DEBUG, "New input device: %s (%d:%d) %s seat:%s", device->name,
+			device->vendor, device->product, device_type(device->type), seat_name);
+
+	roots_seat_add_device(seat, device);
 }
 
 static void input_remove_notify(struct wl_listener *listener, void *data) {
 	struct wlr_input_device *device = data;
 	struct roots_input *input = wl_container_of(listener, input, input_remove);
-	switch (device->type) {
-	case WLR_INPUT_DEVICE_KEYBOARD:
-		keyboard_remove(device, input);
-		break;
-	case WLR_INPUT_DEVICE_POINTER:
-		pointer_remove(device, input);
-		break;
-	case WLR_INPUT_DEVICE_TOUCH:
-		touch_remove(device, input);
-		break;
-	case WLR_INPUT_DEVICE_TABLET_TOOL:
-		tablet_tool_remove(device, input);
-		break;
-	default:
-		break;
+
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		roots_seat_remove_device(seat, device);
 	}
 }
 
@@ -82,66 +85,41 @@ struct roots_input *input_create(struct roots_server *server,
 	input->config = config;
 	input->server = server;
 
-	input->xcursor_theme = wlr_xcursor_theme_load("default", 16);
-	if (input->xcursor_theme == NULL) {
-		wlr_log(L_ERROR, "Cannot load xcursor theme");
-		free(input);
-		return NULL;
-	}
-
-	struct wlr_xcursor *xcursor = get_default_xcursor(input->xcursor_theme);
-	if (xcursor == NULL) {
-		wlr_log(L_ERROR, "Cannot load xcursor from theme");
-		wlr_xcursor_theme_destroy(input->xcursor_theme);
-		free(input);
-		return NULL;
-	}
-
-	if (server->desktop->xwayland != NULL) {
-		struct wlr_xcursor_image *xcursor_image = xcursor->images[0];
-		wlr_xwayland_set_cursor(server->desktop->xwayland,
-			xcursor_image->buffer, xcursor_image->width, xcursor_image->width,
-			xcursor_image->height, xcursor_image->hotspot_x,
-			xcursor_image->hotspot_y);
-	}
-
-	input->wl_seat = wlr_seat_create(server->wl_display, "seat0");
-	if (input->wl_seat == NULL) {
-		wlr_log(L_ERROR, "Cannot create seat");
-		wlr_xcursor_theme_destroy(input->xcursor_theme);
-		free(input);
-		return NULL;
-	}
-	wlr_seat_set_capabilities(input->wl_seat, WL_SEAT_CAPABILITY_KEYBOARD
-		| WL_SEAT_CAPABILITY_POINTER | WL_SEAT_CAPABILITY_TOUCH);
-
-	wl_list_init(&input->keyboards);
-	wl_list_init(&input->pointers);
-	wl_list_init(&input->touch);
-	wl_list_init(&input->tablet_tools);
+	wl_list_init(&input->seats);
 
 	input->input_add.notify = input_add_notify;
 	wl_signal_add(&server->backend->events.input_add, &input->input_add);
 	input->input_remove.notify = input_remove_notify;
 	wl_signal_add(&server->backend->events.input_remove, &input->input_remove);
 
-	input->cursor = wlr_cursor_create();
-	cursor_initialize(input);
-
-	struct wlr_xcursor_image *image = xcursor->images[0];
-	wlr_cursor_set_image(input->cursor, image->buffer, image->width,
-		image->width, image->height, image->hotspot_x, image->hotspot_y);
-
-	wlr_cursor_attach_output_layout(input->cursor, server->desktop->layout);
-	wlr_cursor_map_to_region(input->cursor, config->cursor.mapped_box);
-	cursor_load_config(config, input->cursor,
-		input, server->desktop);
-
-	wl_list_init(&input->drag_icons);
-
 	return input;
 }
 
 void input_destroy(struct roots_input *input) {
 	// TODO
 }
+
+struct roots_seat *input_seat_from_wlr_seat(struct roots_input *input,
+		struct wlr_seat *wlr_seat) {
+	struct roots_seat *seat = NULL;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (seat->seat == wlr_seat) {
+			return seat;
+		}
+	}
+	return seat;
+}
+
+bool input_view_has_focus(struct roots_input *input, struct roots_view *view) {
+	if (!view) {
+		return false;
+	}
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (seat->focus == view) {
+			return true;
+		}
+	}
+
+	return false;
+}

rootston/keyboard.c

@@ -10,17 +10,79 @@
 #include <wlr/util/log.h>
 #include <xkbcommon/xkbcommon.h>
 #include "rootston/input.h"
+#include "rootston/seat.h"
+#include "rootston/keyboard.h"
 
-static ssize_t keyboard_pressed_keysym_index(struct roots_keyboard *keyboard,
+static ssize_t pressed_keysyms_index(xkb_keysym_t *pressed_keysyms,
 		xkb_keysym_t keysym) {
-	for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; i++) {
-		if (keyboard->pressed_keysyms[i] == keysym) {
+	for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; ++i) {
+		if (pressed_keysyms[i] == keysym) {
 			return i;
 		}
 	}
 	return -1;
 }
 
+static size_t pressed_keysyms_length(xkb_keysym_t *pressed_keysyms) {
+	size_t n = 0;
+	for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; ++i) {
+		if (pressed_keysyms[i] != XKB_KEY_NoSymbol) {
+			++n;
+		}
+	}
+	return n;
+}
+
+static void pressed_keysyms_add(xkb_keysym_t *pressed_keysyms,
+		xkb_keysym_t keysym) {
+	ssize_t i = pressed_keysyms_index(pressed_keysyms, keysym);
+	if (i < 0) {
+		i = pressed_keysyms_index(pressed_keysyms, XKB_KEY_NoSymbol);
+		if (i >= 0) {
+			pressed_keysyms[i] = keysym;
+		}
+	}
+}
+
+static void pressed_keysyms_remove(xkb_keysym_t *pressed_keysyms,
+		xkb_keysym_t keysym) {
+	ssize_t i = pressed_keysyms_index(pressed_keysyms, keysym);
+	if (i >= 0) {
+		pressed_keysyms[i] = XKB_KEY_NoSymbol;
+	}
+}
+
+static bool keysym_is_modifier(xkb_keysym_t keysym) {
+	switch (keysym) {
+	case XKB_KEY_Shift_L: case XKB_KEY_Shift_R:
+	case XKB_KEY_Control_L: case XKB_KEY_Control_R:
+	case XKB_KEY_Caps_Lock:
+	case XKB_KEY_Shift_Lock:
+	case XKB_KEY_Meta_L: case XKB_KEY_Meta_R:
+	case XKB_KEY_Alt_L: case XKB_KEY_Alt_R:
+	case XKB_KEY_Super_L: case XKB_KEY_Super_R:
+	case XKB_KEY_Hyper_L: case XKB_KEY_Hyper_R:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static void pressed_keysyms_update(xkb_keysym_t *pressed_keysyms,
+		const xkb_keysym_t *keysyms, size_t keysyms_len,
+		enum wlr_key_state state) {
+	for (size_t i = 0; i < keysyms_len; ++i) {
+		if (keysym_is_modifier(keysyms[i])) {
+			continue;
+		}
+		if (state == WLR_KEY_PRESSED) {
+			pressed_keysyms_add(pressed_keysyms, keysyms[i]);
+		} else { // WLR_KEY_RELEASED
+			pressed_keysyms_remove(pressed_keysyms, keysyms[i]);
+		}
+	}
+}
+
 static const char *exec_prefix = "exec ";
 
 static void keyboard_binding_execute(struct roots_keyboard *keyboard,
@@ -37,7 +99,7 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard,
 	} else if (strcmp(command, "next_window") == 0) {
 		if (server->desktop->views->length > 0) {
 			struct roots_view *view = server->desktop->views->items[0];
-			set_view_focus(keyboard->input, server->desktop, view);
+			roots_seat_focus_view(keyboard->seat, view);
 		}
 	} else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) {
 		const char *shell_cmd = command + strlen(exec_prefix);
@@ -54,21 +116,14 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard,
 }
 
 /**
- * Process a keypress from the keyboard.
+ * Execute a built-in, hardcoded compositor binding. These are triggered from a
+ * single keysym.
  *
  * Returns true if the keysym was handled by a binding and false if the event
  * should be propagated to clients.
  */
-static bool keyboard_keysym_press(struct roots_keyboard *keyboard,
+static bool keyboard_execute_compositor_binding(struct roots_keyboard *keyboard,
 		xkb_keysym_t keysym) {
-	ssize_t i = keyboard_pressed_keysym_index(keyboard, keysym);
-	if (i < 0) {
-		i = keyboard_pressed_keysym_index(keyboard, XKB_KEY_NoSymbol);
-		if (i >= 0) {
-			keyboard->pressed_keysyms[i] = keysym;
-		}
-	}
-
 	if (keysym >= XKB_KEY_XF86Switch_VT_1 &&
 			keysym <= XKB_KEY_XF86Switch_VT_12) {
 		struct roots_server *server = keyboard->input->server;
@@ -84,21 +139,41 @@ static bool keyboard_keysym_press(struct roots_keyboard *keyboard,
 	}
 
 	if (keysym == XKB_KEY_Escape) {
-		wlr_seat_pointer_end_grab(keyboard->input->wl_seat);
-		wlr_seat_keyboard_end_grab(keyboard->input->wl_seat);
+		wlr_seat_pointer_end_grab(keyboard->seat->seat);
+		wlr_seat_keyboard_end_grab(keyboard->seat->seat);
 	}
 
-	uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
+	return false;
+}
+
+/**
+ * Execute keyboard bindings. These include compositor bindings and user-defined
+ * bindings.
+ *
+ * Returns true if the keysym was handled by a binding and false if the event
+ * should be propagated to clients.
+ */
+static bool keyboard_execute_binding(struct roots_keyboard *keyboard,
+		xkb_keysym_t *pressed_keysyms, uint32_t modifiers,
+		const xkb_keysym_t *keysyms, size_t keysyms_len) {
+	for (size_t i = 0; i < keysyms_len; ++i) {
+		if (keyboard_execute_compositor_binding(keyboard, keysyms[i])) {
+			return true;
+		}
+	}
+
+	// User-defined bindings
+	size_t n = pressed_keysyms_length(pressed_keysyms);
 	struct wl_list *bindings = &keyboard->input->server->config->bindings;
-	struct binding_config *bc;
+	struct roots_binding_config *bc;
 	wl_list_for_each(bc, bindings, link) {
-		if (modifiers ^ bc->modifiers) {
+		if (modifiers ^ bc->modifiers || n != bc->keysyms_len) {
 			continue;
 		}
 
 		bool ok = true;
 		for (size_t i = 0; i < bc->keysyms_len; i++) {
-			ssize_t j = keyboard_pressed_keysym_index(keyboard, bc->keysyms[i]);
+			ssize_t j = pressed_keysyms_index(pressed_keysyms, bc->keysyms[i]);
 			if (j < 0) {
 				ok = false;
 				break;
@@ -114,56 +189,92 @@ static bool keyboard_keysym_press(struct roots_keyboard *keyboard,
 	return false;
 }
 
-static void keyboard_keysym_release(struct roots_keyboard *keyboard,
-		xkb_keysym_t keysym) {
-	ssize_t i = keyboard_pressed_keysym_index(keyboard, keysym);
-	if (i >= 0) {
-		keyboard->pressed_keysyms[i] = XKB_KEY_NoSymbol;
-	}
+/*
+ * Get keysyms and modifiers from the keyboard as xkb sees them.
+ *
+ * This uses the xkb keysyms translation based on pressed modifiers and clears
+ * the consumed modifiers from the list of modifiers passed to keybind
+ * detection.
+ *
+ * On US layout, pressing Alt+Shift+2 will trigger Alt+@.
+ */
+static size_t keyboard_keysyms_translated(struct roots_keyboard *keyboard,
+		xkb_keycode_t keycode, const xkb_keysym_t **keysyms,
+		uint32_t *modifiers) {
+	*modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
+	xkb_mod_mask_t consumed = xkb_state_key_get_consumed_mods2(
+		keyboard->device->keyboard->xkb_state, keycode, XKB_CONSUMED_MODE_XKB);
+	*modifiers = *modifiers & ~consumed;
+
+	return xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
+		keycode, keysyms);
 }
 
-static void keyboard_key_notify(struct wl_listener *listener, void *data) {
-	struct wlr_event_keyboard_key *event = data;
-	struct roots_keyboard *keyboard = wl_container_of(listener, keyboard, key);
+/*
+ * Get keysyms and modifiers from the keyboard as if modifiers didn't change
+ * keysyms.
+ *
+ * This avoids the xkb keysym translation based on modifiers considered pressed
+ * in the state.
+ *
+ * This will trigger keybinds such as Alt+Shift+2.
+ */
+static size_t keyboard_keysyms_raw(struct roots_keyboard *keyboard,
+		xkb_keycode_t keycode, const xkb_keysym_t **keysyms,
+		uint32_t *modifiers) {
+	*modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
 
-	uint32_t keycode = event->keycode + 8;
-	const xkb_keysym_t *syms;
-	int syms_len = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
-		keycode, &syms);
+	xkb_layout_index_t layout_index = xkb_state_key_get_layout(
+		keyboard->device->keyboard->xkb_state, keycode);
+	return xkb_keymap_key_get_syms_by_level(keyboard->device->keyboard->keymap,
+		keycode, layout_index, 0, keysyms);
+}
+
+void roots_keyboard_handle_key(struct roots_keyboard *keyboard,
+		struct wlr_event_keyboard_key *event) {
+	xkb_keycode_t keycode = event->keycode + 8;
 
 	bool handled = false;
-	for (int i = 0; i < syms_len; i++) {
-		if (event->state == WLR_KEY_PRESSED) {
-			bool keysym_handled = keyboard_keysym_press(keyboard, syms[i]);
-			handled = handled || keysym_handled;
-		} else { // WLR_KEY_RELEASED
-			keyboard_keysym_release(keyboard, syms[i]);
-		}
+	uint32_t modifiers;
+	const xkb_keysym_t *keysyms;
+	size_t keysyms_len;
+
+	// Handle translated keysyms
+
+	keysyms_len = keyboard_keysyms_translated(keyboard, keycode, &keysyms,
+		&modifiers);
+	pressed_keysyms_update(keyboard->pressed_keysyms_translated, keysyms,
+		keysyms_len, event->state);
+	if (event->state == WLR_KEY_PRESSED) {
+		handled = keyboard_execute_binding(keyboard,
+			keyboard->pressed_keysyms_translated, modifiers, keysyms,
+			keysyms_len);
+	}
+
+	// Handle raw keysyms
+	keysyms_len = keyboard_keysyms_raw(keyboard, keycode, &keysyms, &modifiers);
+	pressed_keysyms_update(keyboard->pressed_keysyms_raw, keysyms, keysyms_len,
+		event->state);
+	if (event->state == WLR_KEY_PRESSED && !handled) {
+		handled = keyboard_execute_binding(keyboard,
+			keyboard->pressed_keysyms_raw, modifiers, keysyms, keysyms_len);
 	}
 
 	if (!handled) {
-		wlr_seat_set_keyboard(keyboard->input->wl_seat, keyboard->device);
-		wlr_seat_keyboard_notify_key(keyboard->input->wl_seat, event->time_msec,
+		wlr_seat_set_keyboard(keyboard->seat->seat, keyboard->device);
+		wlr_seat_keyboard_notify_key(keyboard->seat->seat, event->time_msec,
 			event->keycode, event->state);
 	}
 }
 
-static void keyboard_modifiers_notify(struct wl_listener *listener, void *data) {
-	struct roots_keyboard *r_keyboard =
-		wl_container_of(listener, r_keyboard, modifiers);
-	struct wlr_seat *seat = r_keyboard->input->wl_seat;
-	struct wlr_keyboard *keyboard = r_keyboard->device->keyboard;
+void roots_keyboard_handle_modifiers(struct roots_keyboard *r_keyboard) {
+	struct wlr_seat *seat = r_keyboard->seat->seat;
 	wlr_seat_set_keyboard(seat, r_keyboard->device);
-	wlr_seat_keyboard_notify_modifiers(seat,
-		keyboard->modifiers.depressed,
-		keyboard->modifiers.latched,
-		keyboard->modifiers.locked,
-		keyboard->modifiers.group);
-
+	wlr_seat_keyboard_notify_modifiers(seat);
 }
 
-static void keyboard_config_merge(struct keyboard_config *config,
-		struct keyboard_config *fallback) {
+static void keyboard_config_merge(struct roots_keyboard_config *config,
+		struct roots_keyboard_config *fallback) {
 	if (fallback == NULL) {
 		return;
 	}
@@ -182,60 +293,64 @@ static void keyboard_config_merge(struct keyboard_config *config,
 	if (config->options == NULL) {
 		config->options = fallback->options;
 	}
+	if (config->meta_key == 0) {
+		config->meta_key = fallback->meta_key;
+	}
+	if (config->name == NULL) {
+		config->name = fallback->name;
+	}
 }
 
-void keyboard_add(struct wlr_input_device *device, struct roots_input *input) {
+struct roots_keyboard *roots_keyboard_create(struct wlr_input_device *device,
+		struct roots_input *input) {
 	struct roots_keyboard *keyboard = calloc(sizeof(struct roots_keyboard), 1);
 	if (keyboard == NULL) {
-		return;
+		return NULL;
 	}
 	device->data = keyboard;
 	keyboard->device = device;
 	keyboard->input = input;
 
-	keyboard->key.notify = keyboard_key_notify;
-	wl_signal_add(&device->keyboard->events.key, &keyboard->key);
+	struct roots_keyboard_config *config =
+		calloc(1, sizeof(struct roots_keyboard_config));
+	if (config == NULL) {
+		free(keyboard);
+		return NULL;
+	}
+	keyboard_config_merge(config, roots_config_get_keyboard(input->config, device));
+	keyboard_config_merge(config, roots_config_get_keyboard(input->config, NULL));
 
-	keyboard->modifiers.notify = keyboard_modifiers_notify;
-	wl_signal_add(&device->keyboard->events.modifiers, &keyboard->modifiers);
-
-	wl_list_insert(&input->keyboards, &keyboard->link);
-
-	struct keyboard_config config;
-	memset(&config, 0, sizeof(config));
-	keyboard_config_merge(&config, config_get_keyboard(input->config, device));
-	keyboard_config_merge(&config, config_get_keyboard(input->config, NULL));
-
-	struct keyboard_config env_config = {
+	struct roots_keyboard_config env_config = {
 		.rules = getenv("XKB_DEFAULT_RULES"),
 		.model = getenv("XKB_DEFAULT_MODEL"),
 		.layout = getenv("XKB_DEFAULT_LAYOUT"),
 		.variant = getenv("XKB_DEFAULT_VARIANT"),
 		.options = getenv("XKB_DEFAULT_OPTIONS"),
 	};
-	keyboard_config_merge(&config, &env_config);
+	keyboard_config_merge(config, &env_config);
+	keyboard->config = config;
 
 	struct xkb_rule_names rules;
 	memset(&rules, 0, sizeof(rules));
-	rules.rules = config.rules;
-	rules.model = config.model;
-	rules.layout = config.layout;
-	rules.variant = config.variant;
-	rules.options = config.options;
+	rules.rules = config->rules;
+	rules.model = config->model;
+	rules.layout = config->layout;
+	rules.variant = config->variant;
+	rules.options = config->options;
 	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
 	if (context == NULL) {
 		wlr_log(L_ERROR, "Cannot create XKB context");
-		return;
+		return NULL;
 	}
 	wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
 		&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
 	xkb_context_unref(context);
+
+	return keyboard;
 }
 
-void keyboard_remove(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_keyboard *keyboard = device->data;
-	wl_list_remove(&keyboard->key.link);
-	wl_list_remove(&keyboard->modifiers.link);
+void roots_keyboard_destroy(struct roots_keyboard *keyboard) {
 	wl_list_remove(&keyboard->link);
+	free(keyboard->config);
 	free(keyboard);
 }

rootston/main.c

@@ -12,8 +12,20 @@
 
 struct roots_server server = { 0 };
 
+static void ready(struct wl_listener *listener, void *data) {
+	if (server.config->startup_cmd != NULL) {
+		const char *cmd = server.config->startup_cmd;
+		pid_t pid = fork();
+		if (pid < 0) {
+			wlr_log(L_ERROR, "cannot execute binding command: fork() failed");
+		} else if (pid == 0) {
+			execl("/bin/sh", "/bin/sh", "-c", cmd, (void *)NULL);
+		}
+	}
+}
+
 int main(int argc, char **argv) {
-	assert(server.config = parse_args(argc, argv));
+	assert(server.config = roots_config_create_from_args(argc, argv));
 	assert(server.wl_display = wl_display_create());
 	assert(server.wl_event_loop = wl_display_get_event_loop(server.wl_display));
 
@@ -43,17 +55,16 @@ int main(int argc, char **argv) {
 	}
 
 	setenv("WAYLAND_DISPLAY", socket, true);
-
-	if (server.config->startup_cmd != NULL) {
-		const char *cmd = server.config->startup_cmd;
-		pid_t pid = fork();
-		if (pid < 0) {
-			wlr_log(L_ERROR, "cannot execute binding command: fork() failed");
-			return 1;
-		} else if (pid == 0) {
-			execl("/bin/sh", "/bin/sh", "-c", cmd, (void *)NULL);
-		}
+#ifndef HAS_XWAYLAND
+	ready(NULL, NULL);
+#else
+	if (server.desktop->xwayland != NULL) {
+		struct wl_listener xwayland_ready = { .notify = ready };
+		wl_signal_add(&server.desktop->xwayland->events.ready, &xwayland_ready);
+	} else {
+		ready(NULL, NULL);
 	}
+#endif
 
 	wl_display_run(server.wl_display);
 	wlr_backend_destroy(server.backend);

rootston/meson.build

@@ -7,9 +7,7 @@ sources = [
 	'keyboard.c',
 	'main.c',
 	'output.c',
-	'pointer.c',
-	'tablet_tool.c',
-	'touch.c',
+	'seat.c',
 	'xcursor.c',
 	'xdg_shell_v6.c',
 	'wl_shell.c',

rootston/output.c

@@ -5,6 +5,7 @@
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_wl_shell.h>
+#include <wlr/types/wlr_xcursor_manager.h>
 #include <wlr/types/wlr_xdg_shell_v6.h>
 #include <wlr/render/matrix.h>
 #include <wlr/util/log.h>
@@ -16,37 +17,67 @@ static inline int64_t timespec_to_msec(const struct timespec *a) {
 	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
 }
 
+/**
+ * Rotate a child's position relative to a parent. The parent size is (pw, ph),
+ * the child position is (*sx, *sy) and its size is (sw, sh).
+ */
+static void rotate_child_position(double *sx, double *sy, double sw, double sh,
+		double pw, double ph, float rotation) {
+	if (rotation != 0.0) {
+		// Coordinates relative to the center of the subsurface
+		double ox = *sx - pw/2 + sw/2,
+			oy = *sy - ph/2 + sh/2;
+		// Rotated coordinates
+		double rx = cos(-rotation)*ox - sin(-rotation)*oy,
+			ry = cos(-rotation)*oy + sin(-rotation)*ox;
+		*sx = rx + pw/2 - sw/2;
+		*sy = ry + ph/2 - sh/2;
+	}
+}
+
 static void render_surface(struct wlr_surface *surface,
 		struct roots_desktop *desktop, struct wlr_output *wlr_output,
 		struct timespec *when, double lx, double ly, float rotation) {
 	if (surface->texture->valid) {
-		int width = surface->current->buffer_width;
-		int height = surface->current->buffer_height;
+		int width = surface->current->width;
+		int height = surface->current->height;
+		int render_width = width * wlr_output->scale;
+		int render_height = height * wlr_output->scale;
 		double ox = lx, oy = ly;
 		wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
+		ox *= wlr_output->scale;
+		oy *= wlr_output->scale;
 
 		if (wlr_output_layout_intersects(desktop->layout, wlr_output,
-				lx, ly, lx + width, ly + height)) {
+				lx, ly, lx + render_width, ly + render_height)) {
 			float matrix[16];
 
 			float translate_origin[16];
 			wlr_matrix_translate(&translate_origin,
-				(int)ox + width / 2, (int)oy + height / 2, 0);
+				(int)ox + render_width / 2, (int)oy + render_height / 2, 0);
+
 			float rotate[16];
 			wlr_matrix_rotate(&rotate, rotation);
+
 			float translate_center[16];
-			wlr_matrix_translate(&translate_center, -width / 2, -height / 2, 0);
+			wlr_matrix_translate(&translate_center, -render_width / 2,
+				-render_height / 2, 0);
+
+			float scale[16];
+			wlr_matrix_scale(&scale, render_width, render_height, 1);
+
 			float transform[16];
 			wlr_matrix_mul(&translate_origin, &rotate, &transform);
 			wlr_matrix_mul(&transform, &translate_center, &transform);
-			wlr_surface_get_matrix(surface, &matrix,
-					&wlr_output->transform_matrix, &transform);
-			wlr_render_with_matrix(desktop->server->renderer,
-					surface->texture, &matrix);
+			wlr_matrix_mul(&transform, &scale, &transform);
+			wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);
+
+			wlr_render_with_matrix(desktop->server->renderer, surface->texture,
+				&matrix);
 
 			struct wlr_frame_callback *cb, *cnext;
 			wl_list_for_each_safe(cb, cnext,
-				&surface->current->frame_callback_list, link) {
+					&surface->current->frame_callback_list, link) {
 				wl_callback_send_done(cb->resource, timespec_to_msec(when));
 				wl_resource_destroy(cb->resource);
 			}
@@ -54,20 +85,12 @@ static void render_surface(struct wlr_surface *surface,
 
 		struct wlr_subsurface *subsurface;
 		wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
-			double sx = subsurface->surface->current->subsurface_position.x,
-				sy = subsurface->surface->current->subsurface_position.y;
-			double sw = subsurface->surface->current->buffer_width,
-				sh = subsurface->surface->current->buffer_height;
-			if (rotation != 0.0) {
-				// Coordinates relative to the center of the subsurface
-				double ox = sx - (double)width/2 + sw/2,
-					oy = sy - (double)height/2 + sh/2;
-				// Rotated coordinates
-				double rx = cos(-rotation)*ox - sin(-rotation)*oy,
-					ry = cos(-rotation)*oy + sin(-rotation)*ox;
-				sx = rx + (double)width/2 - sw/2;
-				sy = ry + (double)height/2 - sh/2;
-			}
+			struct wlr_surface_state *state = subsurface->surface->current;
+			double sx = state->subsurface_position.x;
+			double sy = state->subsurface_position.y;
+			double sw = state->buffer_width / state->scale;
+			double sh = state->buffer_height / state->scale;
+			rotate_child_position(&sx, &sy, sw, sh, width, height, rotation);
 
 			render_surface(subsurface->surface, desktop, wlr_output, when,
 				lx + sx,
@@ -80,35 +103,53 @@ static void render_surface(struct wlr_surface *surface,
 static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
 		struct roots_desktop *desktop, struct wlr_output *wlr_output,
 		struct timespec *when, double base_x, double base_y, float rotation) {
-	// TODO: make sure this works with view rotation
+	double width = surface->surface->current->width;
+	double height = surface->surface->current->height;
+
 	struct wlr_xdg_surface_v6 *popup;
 	wl_list_for_each(popup, &surface->popups, popup_link) {
 		if (!popup->configured) {
 			continue;
 		}
 
-		double popup_x = base_x + surface->geometry->x +
-			popup->popup_state->geometry.x - popup->geometry->x;
-		double popup_y = base_y + surface->geometry->y +
-			popup->popup_state->geometry.y - popup->geometry->y;
-		render_surface(popup->surface, desktop, wlr_output, when, popup_x,
-			popup_y, rotation);
-		render_xdg_v6_popups(popup, desktop, wlr_output, when, popup_x, popup_y, rotation);
+		double popup_width = popup->surface->current->width;
+		double popup_height = popup->surface->current->height;
+
+		double popup_sx, popup_sy;
+		wlr_xdg_surface_v6_popup_get_position(popup, &popup_sx, &popup_sy);
+		rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height,
+			width, height, rotation);
+
+		render_surface(popup->surface, desktop, wlr_output, when,
+			base_x + popup_sx, base_y + popup_sy, rotation);
+		render_xdg_v6_popups(popup, desktop, wlr_output, when,
+			base_x + popup_sx, base_y + popup_sy, rotation);
 	}
 }
 
-static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface, struct roots_desktop *desktop,
-		struct wlr_output *wlr_output, struct timespec *when, double lx,
-		double ly, float rotation, bool is_child) {
+static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
+		struct roots_desktop *desktop, struct wlr_output *wlr_output,
+		struct timespec *when, double lx, double ly, float rotation,
+		bool is_child) {
 	if (is_child || surface->state != WLR_WL_SHELL_SURFACE_STATE_POPUP) {
 		render_surface(surface->surface, desktop, wlr_output, when,
 			lx, ly, rotation);
+
+		double width = surface->surface->current->width;
+		double height = surface->surface->current->height;
+
 		struct wlr_wl_shell_surface *popup;
 		wl_list_for_each(popup, &surface->popups, popup_link) {
+			double popup_width = popup->surface->current->width;
+			double popup_height = popup->surface->current->height;
+
+			double popup_x = popup->transient_state->x;
+			double popup_y = popup->transient_state->y;
+			rotate_child_position(&popup_x, &popup_y, popup_width, popup_height,
+				width, height, rotation);
+
 			render_wl_shell_surface(popup, desktop, wlr_output, when,
-				lx + popup->transient_state->x,
-				ly + popup->transient_state->y,
-				rotation, true);
+				lx + popup_x, ly + popup_y, rotation, true);
 		}
 	}
 }
@@ -151,15 +192,18 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	}
 
 	struct roots_drag_icon *drag_icon = NULL;
-	wl_list_for_each(drag_icon, &server->input->drag_icons, link) {
-		if (!drag_icon->mapped) {
-			continue;
+	struct roots_seat *seat = NULL;
+	wl_list_for_each(seat, &server->input->seats, link) {
+		wl_list_for_each(drag_icon, &seat->drag_icons, link) {
+			if (!drag_icon->mapped) {
+				continue;
+			}
+			struct wlr_surface *icon = drag_icon->surface;
+			struct wlr_cursor *cursor = seat->cursor->cursor;
+			double icon_x = cursor->x + drag_icon->sx;
+			double icon_y = cursor->y + drag_icon->sy;
+			render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
 		}
-		struct wlr_surface *icon = drag_icon->surface;
-		struct wlr_cursor *cursor = server->input->cursor;
-		double icon_x = cursor->x + drag_icon->sx;
-		double icon_y = cursor->y + drag_icon->sy;
-		render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
 	}
 
 	wlr_renderer_end(server->renderer);
@@ -168,7 +212,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	output->last_frame = desktop->last_frame = now;
 }
 
-static void set_mode(struct wlr_output *output, struct output_config *oc) {
+static void set_mode(struct wlr_output *output,
+		struct roots_output_config *oc) {
 	struct wlr_output_mode *mode, *best = NULL;
 	int mhz = (int)(oc->mode.refresh_rate * 1000);
 	wl_list_for_each(mode, &output->modes, link) {
@@ -196,8 +241,9 @@ void output_add_notify(struct wl_listener *listener, void *data) {
 	struct roots_config *config = desktop->config;
 
 	wlr_log(L_DEBUG, "Output '%s' added", wlr_output->name);
-	wlr_log(L_DEBUG, "%s %s %"PRId32"mm x %"PRId32"mm", wlr_output->make,
-		wlr_output->model, wlr_output->phys_width, wlr_output->phys_height);
+	wlr_log(L_DEBUG, "%s %s %s %"PRId32"mm x %"PRId32"mm", wlr_output->make,
+		wlr_output->model, wlr_output->serial, wlr_output->phys_width,
+		wlr_output->phys_height);
 	if (wl_list_length(&wlr_output->modes) > 0) {
 		struct wlr_output_mode *mode = NULL;
 		mode = wl_container_of((&wlr_output->modes)->prev, mode, link);
@@ -212,11 +258,13 @@ void output_add_notify(struct wl_listener *listener, void *data) {
 	wl_signal_add(&wlr_output->events.frame, &output->frame);
 	wl_list_insert(&desktop->outputs, &output->link);
 
-	struct output_config *output_config = config_get_output(config, wlr_output);
+	struct roots_output_config *output_config =
+		roots_config_get_output(config, wlr_output);
 	if (output_config) {
 		if (output_config->mode.width) {
 			set_mode(wlr_output, output_config);
 		}
+		wlr_output->scale = output_config->scale;
 		wlr_output_transform(wlr_output, output_config->transform);
 		wlr_output_layout_add(desktop->layout,
 				wlr_output, output_config->x, output_config->y);
@@ -224,14 +272,17 @@ void output_add_notify(struct wl_listener *listener, void *data) {
 		wlr_output_layout_add_auto(desktop->layout, wlr_output);
 	}
 
-	cursor_load_config(config, input->cursor, input, desktop);
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (wlr_xcursor_manager_load(seat->cursor->xcursor_manager,
+				wlr_output->scale)) {
+			wlr_log(L_ERROR, "Cannot load xcursor theme for output '%s' "
+				"with scale %d", wlr_output->name, wlr_output->scale);
+		}
 
-	struct wlr_xcursor *xcursor = get_default_xcursor(input->xcursor_theme);
-	struct wlr_xcursor_image *image = xcursor->images[0];
-	wlr_cursor_set_image(input->cursor, image->buffer, image->width,
-		image->width, image->height, image->hotspot_x, image->hotspot_y);
-
-	wlr_cursor_warp(input->cursor, NULL, input->cursor->x, input->cursor->y);
+		roots_seat_configure_cursor(seat);
+		roots_seat_configure_xcursor(seat);
+	}
 }
 
 void output_remove_notify(struct wl_listener *listener, void *data) {

rootston/pointer.c

@@ -1,23 +0,0 @@
-#include <stdlib.h>
-#include <wayland-server.h>
-#include <wlr/types/wlr_input_device.h>
-#include <wlr/types/wlr_pointer.h>
-#include "rootston/input.h"
-
-void pointer_add(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_pointer *pointer = calloc(sizeof(struct roots_pointer), 1);
-	device->data = pointer;
-	pointer->device = device;
-	pointer->input = input;
-	wl_list_insert(&input->pointers, &pointer->link);
-	wlr_cursor_attach_input_device(input->cursor, device);
-	cursor_load_config(input->server->config, input->cursor,
-			input, input->server->desktop);
-}
-
-void pointer_remove(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_pointer *pointer = device->data;
-	wlr_cursor_detach_input_device(input->cursor, device);
-	wl_list_remove(&pointer->link);
-	free(pointer);
-}

rootston/rootston.ini.example

@@ -40,6 +40,6 @@ meta-key = Logo
 # - "close" to close the current view
 # - "next_window" to cycle through windows
 [bindings]
-Logo+Shift+E = exit
+Logo+Shift+e = exit
 Logo+q = close
 Alt+Tab = next_window

rootston/seat.c

@@ -0,0 +1,579 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_xcursor_manager.h>
+#include <wlr/util/log.h>
+#include "rootston/xcursor.h"
+#include "rootston/input.h"
+#include "rootston/seat.h"
+#include "rootston/keyboard.h"
+#include "rootston/cursor.h"
+
+static void handle_keyboard_key(struct wl_listener *listener, void *data) {
+	struct roots_keyboard *keyboard =
+		wl_container_of(listener, keyboard, keyboard_key);
+	struct wlr_event_keyboard_key *event = data;
+	roots_keyboard_handle_key(keyboard, event);
+}
+
+static void handle_keyboard_modifiers(struct wl_listener *listener,
+		void *data) {
+	struct roots_keyboard *keyboard =
+		wl_container_of(listener, keyboard, keyboard_modifiers);
+	roots_keyboard_handle_modifiers(keyboard);
+}
+
+static void handle_cursor_motion(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, motion);
+	struct wlr_event_pointer_motion *event = data;
+	roots_cursor_handle_motion(cursor, event);
+}
+
+static void handle_cursor_motion_absolute(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, motion_absolute);
+	struct wlr_event_pointer_motion_absolute *event = data;
+	roots_cursor_handle_motion_absolute(cursor, event);
+}
+
+static void handle_cursor_button(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, button);
+	struct wlr_event_pointer_button *event = data;
+	roots_cursor_handle_button(cursor, event);
+}
+
+static void handle_cursor_axis(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, axis);
+	struct wlr_event_pointer_axis *event = data;
+	roots_cursor_handle_axis(cursor, event);
+}
+
+static void handle_touch_down(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, touch_down);
+	struct wlr_event_touch_down *event = data;
+	roots_cursor_handle_touch_down(cursor, event);
+}
+
+static void handle_touch_up(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, touch_up);
+	struct wlr_event_touch_up *event = data;
+	roots_cursor_handle_touch_up(cursor, event);
+}
+
+static void handle_touch_motion(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, touch_motion);
+	struct wlr_event_touch_motion *event = data;
+	roots_cursor_handle_touch_motion(cursor, event);
+}
+
+static void handle_tool_axis(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, tool_axis);
+	struct wlr_event_tablet_tool_axis *event = data;
+	roots_cursor_handle_tool_axis(cursor, event);
+}
+
+static void handle_tool_tip(struct wl_listener *listener, void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, tool_tip);
+	struct wlr_event_tablet_tool_tip *event = data;
+	roots_cursor_handle_tool_tip(cursor, event);
+}
+
+static void handle_request_set_cursor(struct wl_listener *listener,
+		void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, request_set_cursor);
+	struct wlr_seat_pointer_request_set_cursor_event *event = data;
+	roots_cursor_handle_request_set_cursor(cursor, event);
+}
+
+static void handle_pointer_grab_begin(struct wl_listener *listener,
+		void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, pointer_grab_begin);
+	struct wlr_seat_pointer_grab *grab = data;
+	roots_cursor_handle_pointer_grab_begin(cursor, grab);
+}
+
+static void handle_pointer_grab_end(struct wl_listener *listener,
+		void *data) {
+	struct roots_cursor *cursor =
+		wl_container_of(listener, cursor, pointer_grab_end);
+	struct wlr_seat_pointer_grab *grab = data;
+	roots_cursor_handle_pointer_grab_end(cursor, grab);
+}
+
+static void seat_reset_device_mappings(struct roots_seat *seat, struct wlr_input_device *device) {
+	struct wlr_cursor *cursor = seat->cursor->cursor;
+	struct roots_config *config = seat->input->config;
+
+	wlr_cursor_map_input_to_output(cursor, device, NULL);
+	struct roots_device_config *dconfig;
+	if ((dconfig = roots_config_get_device(config, device))) {
+		wlr_cursor_map_input_to_region(cursor, device, dconfig->mapped_box);
+	}
+}
+
+static void seat_set_device_output_mappings(struct roots_seat *seat,
+		struct wlr_input_device *device, struct wlr_output *output) {
+	struct wlr_cursor *cursor = seat->cursor->cursor;
+	struct roots_config *config = seat->input->config;
+	struct roots_device_config *dconfig;
+	dconfig = roots_config_get_device(config, device);
+	if (dconfig && dconfig->mapped_output &&
+			strcmp(dconfig->mapped_output, output->name) == 0) {
+		wlr_cursor_map_input_to_output(cursor, device, output);
+	}
+}
+
+void roots_seat_configure_cursor(struct roots_seat *seat) {
+	struct roots_config *config = seat->input->config;
+	struct roots_desktop *desktop = seat->input->server->desktop;
+	struct wlr_cursor *cursor = seat->cursor->cursor;
+
+	struct roots_pointer *pointer;
+	struct roots_touch *touch;
+	struct roots_tablet_tool *tablet_tool;
+	struct roots_output *output;
+
+	// reset mappings
+	wlr_cursor_map_to_output(cursor, NULL);
+	wl_list_for_each(pointer, &seat->pointers, link) {
+		seat_reset_device_mappings(seat, pointer->device);
+	}
+	wl_list_for_each(touch, &seat->touch, link) {
+		seat_reset_device_mappings(seat, touch->device);
+	}
+	wl_list_for_each(tablet_tool, &seat->tablet_tools, link) {
+		seat_reset_device_mappings(seat, tablet_tool->device);
+	}
+
+	// configure device to output mappings
+	const char *mapped_output = config->cursor.mapped_output;
+	wl_list_for_each(output, &desktop->outputs, link) {
+		if (mapped_output && strcmp(mapped_output, output->wlr_output->name) == 0) {
+			wlr_cursor_map_to_output(cursor, output->wlr_output);
+		}
+
+		wl_list_for_each(pointer, &seat->pointers, link) {
+			seat_set_device_output_mappings(seat, pointer->device, output->wlr_output);
+		}
+		wl_list_for_each(tablet_tool, &seat->tablet_tools, link) {
+			seat_set_device_output_mappings(seat, tablet_tool->device, output->wlr_output);
+		}
+		wl_list_for_each(touch, &seat->touch, link) {
+			seat_set_device_output_mappings(seat, touch->device, output->wlr_output);
+		}
+	}
+}
+
+static void roots_seat_init_cursor(struct roots_seat *seat) {
+	seat->cursor = roots_cursor_create(seat);
+	if (!seat->cursor) {
+		return;
+	}
+	seat->cursor->seat = seat;
+	struct wlr_cursor *wlr_cursor = seat->cursor->cursor;
+	struct roots_desktop *desktop = seat->input->server->desktop;
+	wlr_cursor_attach_output_layout(wlr_cursor, desktop->layout);
+
+	// TODO: be able to configure per-seat cursor themes
+	seat->cursor->xcursor_manager = desktop->xcursor_manager;
+
+	wl_list_init(&seat->cursor->touch_points);
+
+	roots_seat_configure_cursor(seat);
+	roots_seat_configure_xcursor(seat);
+
+	// add input signals
+	wl_signal_add(&wlr_cursor->events.motion, &seat->cursor->motion);
+	seat->cursor->motion.notify = handle_cursor_motion;
+
+	wl_signal_add(&wlr_cursor->events.motion_absolute,
+		&seat->cursor->motion_absolute);
+	seat->cursor->motion_absolute.notify = handle_cursor_motion_absolute;
+
+	wl_signal_add(&wlr_cursor->events.button, &seat->cursor->button);
+	seat->cursor->button.notify = handle_cursor_button;
+
+	wl_signal_add(&wlr_cursor->events.axis, &seat->cursor->axis);
+	seat->cursor->axis.notify = handle_cursor_axis;
+
+	wl_signal_add(&wlr_cursor->events.touch_down, &seat->cursor->touch_down);
+	seat->cursor->touch_down.notify = handle_touch_down;
+
+	wl_signal_add(&wlr_cursor->events.touch_up, &seat->cursor->touch_up);
+	seat->cursor->touch_up.notify = handle_touch_up;
+
+	wl_signal_add(&wlr_cursor->events.touch_motion, &seat->cursor->touch_motion);
+	seat->cursor->touch_motion.notify = handle_touch_motion;
+
+	wl_signal_add(&wlr_cursor->events.tablet_tool_axis, &seat->cursor->tool_axis);
+	seat->cursor->tool_axis.notify = handle_tool_axis;
+
+	wl_signal_add(&wlr_cursor->events.tablet_tool_tip, &seat->cursor->tool_tip);
+	seat->cursor->tool_tip.notify = handle_tool_tip;
+
+	wl_signal_add(&seat->seat->events.request_set_cursor,
+			&seat->cursor->request_set_cursor);
+	seat->cursor->request_set_cursor.notify = handle_request_set_cursor;
+
+	wl_signal_add(&seat->seat->events.pointer_grab_begin,
+			&seat->cursor->pointer_grab_begin);
+	seat->cursor->pointer_grab_begin.notify = handle_pointer_grab_begin;
+
+	wl_signal_add(&seat->seat->events.pointer_grab_end,
+			&seat->cursor->pointer_grab_end);
+	seat->cursor->pointer_grab_end.notify = handle_pointer_grab_end;
+}
+
+struct roots_seat *roots_seat_create(struct roots_input *input, char *name) {
+	struct roots_seat *seat = calloc(1, sizeof(struct roots_seat));
+	if (!seat) {
+		return NULL;
+	}
+
+	wl_list_init(&seat->keyboards);
+	wl_list_init(&seat->pointers);
+	wl_list_init(&seat->touch);
+	wl_list_init(&seat->tablet_tools);
+	wl_list_init(&seat->drag_icons);
+
+	seat->input = input;
+
+	seat->seat = wlr_seat_create(input->server->wl_display, name);
+	if (!seat->seat) {
+		free(seat);
+		return NULL;
+	}
+
+	roots_seat_init_cursor(seat);
+	if (!seat->cursor) {
+		wlr_seat_destroy(seat->seat);
+		free(seat);
+		return NULL;
+	}
+
+	wlr_seat_set_capabilities(seat->seat,
+		WL_SEAT_CAPABILITY_KEYBOARD |
+		WL_SEAT_CAPABILITY_POINTER |
+		WL_SEAT_CAPABILITY_TOUCH);
+
+	wl_list_insert(&input->seats, &seat->link);
+
+	return seat;
+}
+
+void roots_seat_destroy(struct roots_seat *seat) {
+	// TODO
+}
+
+static void seat_add_keyboard(struct roots_seat *seat, struct wlr_input_device *device) {
+	assert(device->type == WLR_INPUT_DEVICE_KEYBOARD);
+	struct roots_keyboard *keyboard = roots_keyboard_create(device, seat->input);
+	if (keyboard == NULL) {
+		wlr_log(L_ERROR, "could not allocate keyboard for seat");
+		return;
+	}
+
+	keyboard->seat = seat;
+
+	wl_list_insert(&seat->keyboards, &keyboard->link);
+
+	keyboard->keyboard_key.notify = handle_keyboard_key;
+	wl_signal_add(&keyboard->device->keyboard->events.key,
+		&keyboard->keyboard_key);
+
+	keyboard->keyboard_modifiers.notify = handle_keyboard_modifiers;
+	wl_signal_add(&keyboard->device->keyboard->events.modifiers,
+		&keyboard->keyboard_modifiers);
+
+	wlr_seat_set_keyboard(seat->seat, device);
+}
+
+static void seat_add_pointer(struct roots_seat *seat, struct wlr_input_device *device) {
+	struct roots_pointer *pointer = calloc(sizeof(struct roots_pointer), 1);
+	if (!pointer) {
+		wlr_log(L_ERROR, "could not allocate pointer for seat");
+		return;
+	}
+
+	device->data = pointer;
+	pointer->device = device;
+	pointer->seat = seat;
+	wl_list_insert(&seat->pointers, &pointer->link);
+	wlr_cursor_attach_input_device(seat->cursor->cursor, device);
+	roots_seat_configure_cursor(seat);
+}
+
+static void seat_add_touch(struct roots_seat *seat, struct wlr_input_device *device) {
+	struct roots_touch *touch = calloc(sizeof(struct roots_touch), 1);
+	if (!touch) {
+		wlr_log(L_ERROR, "could not allocate touch for seat");
+		return;
+	}
+
+	device->data = touch;
+	touch->device = device;
+	touch->seat = seat;
+	wl_list_insert(&seat->touch, &touch->link);
+	wlr_cursor_attach_input_device(seat->cursor->cursor, device);
+	roots_seat_configure_cursor(seat);
+}
+
+static void seat_add_tablet_pad(struct roots_seat *seat, struct wlr_input_device *device) {
+	// TODO
+}
+
+static void seat_add_tablet_tool(struct roots_seat *seat, struct wlr_input_device *device) {
+	struct roots_tablet_tool *tablet_tool = calloc(sizeof(struct roots_tablet_tool), 1);
+	if (!tablet_tool) {
+		wlr_log(L_ERROR, "could not allocate tablet_tool for seat");
+		return;
+	}
+
+	device->data = tablet_tool;
+	tablet_tool->device = device;
+	tablet_tool->seat = seat;
+	wl_list_insert(&seat->tablet_tools, &tablet_tool->link);
+	wlr_cursor_attach_input_device(seat->cursor->cursor, device);
+	roots_seat_configure_cursor(seat);
+}
+
+void roots_seat_add_device(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	switch (device->type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		seat_add_keyboard(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_POINTER:
+		seat_add_pointer(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_TOUCH:
+		seat_add_touch(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_TABLET_PAD:
+		seat_add_tablet_pad(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_TABLET_TOOL:
+		seat_add_tablet_tool(seat, device);
+		break;
+	}
+}
+
+static void seat_remove_keyboard(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	struct roots_keyboard *keyboard;
+	wl_list_for_each(keyboard, &seat->keyboards, link) {
+		if (keyboard->device == device) {
+			roots_keyboard_destroy(keyboard);
+			return;
+		}
+	}
+}
+
+static void seat_remove_pointer(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	struct roots_pointer *pointer;
+	wl_list_for_each(pointer, &seat->pointers, link) {
+		if (pointer->device == device) {
+			wl_list_remove(&pointer->link);
+			wlr_cursor_detach_input_device(seat->cursor->cursor, device);
+			free(pointer);
+			return;
+		}
+	}
+}
+
+static void seat_remove_touch(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	struct roots_touch *touch;
+	wl_list_for_each(touch, &seat->touch, link) {
+		if (touch->device == device) {
+			wl_list_remove(&touch->link);
+			wlr_cursor_detach_input_device(seat->cursor->cursor, device);
+			free(touch);
+			return;
+		}
+	}
+}
+
+static void seat_remove_tablet_pad(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	// TODO
+}
+
+static void seat_remove_tablet_tool(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	struct roots_tablet_tool *tablet_tool;
+	wl_list_for_each(tablet_tool, &seat->tablet_tools, link) {
+		if (tablet_tool->device == device) {
+			wl_list_remove(&tablet_tool->link);
+			wlr_cursor_detach_input_device(seat->cursor->cursor, device);
+			free(tablet_tool);
+			return;
+		}
+	}
+}
+
+void roots_seat_remove_device(struct roots_seat *seat,
+		struct wlr_input_device *device) {
+	switch (device->type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		seat_remove_keyboard(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_POINTER:
+		seat_remove_pointer(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_TOUCH:
+		seat_remove_touch(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_TABLET_PAD:
+		seat_remove_tablet_pad(seat, device);
+		break;
+	case WLR_INPUT_DEVICE_TABLET_TOOL:
+		seat_remove_tablet_tool(seat, device);
+		break;
+	}
+}
+
+void roots_seat_configure_xcursor(struct roots_seat *seat) {
+	struct roots_output *output;
+	wl_list_for_each(output, &seat->input->server->desktop->outputs, link) {
+		if (wlr_xcursor_manager_load(seat->cursor->xcursor_manager,
+				output->wlr_output->scale)) {
+			wlr_log(L_ERROR, "Cannot load xcursor theme for output '%s' "
+				"with scale %d", output->wlr_output->name,
+				output->wlr_output->scale);
+		}
+	}
+
+	wlr_xcursor_manager_set_cursor_image(seat->cursor->xcursor_manager,
+		ROOTS_XCURSOR_DEFAULT, seat->cursor->cursor);
+	wlr_cursor_warp(seat->cursor->cursor, NULL, seat->cursor->cursor->x,
+		seat->cursor->cursor->y);
+}
+
+bool roots_seat_has_meta_pressed(struct roots_seat *seat) {
+	struct roots_keyboard *keyboard;
+	wl_list_for_each(keyboard, &seat->keyboards, link) {
+		if (!keyboard->config->meta_key) {
+			continue;
+		}
+
+		uint32_t modifiers =
+			wlr_keyboard_get_modifiers(keyboard->device->keyboard);
+		if ((modifiers ^ keyboard->config->meta_key) == 0) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void roots_seat_focus_view(struct roots_seat *seat, struct roots_view *view) {
+	struct roots_desktop *desktop = seat->input->server->desktop;
+	if (seat->focus == view) {
+		return;
+	}
+
+	if (view && view->type == ROOTS_XWAYLAND_VIEW &&
+			view->xwayland_surface->override_redirect) {
+		return;
+	}
+
+	struct roots_view *prev_focus = seat->focus;
+	seat->focus = view;
+
+	// unfocus the old view if it is not focused by some other seat
+	if (prev_focus && !input_view_has_focus(seat->input, prev_focus)) {
+		view_activate(prev_focus, false);
+	}
+
+	if (!seat->focus) {
+		seat->cursor->mode = ROOTS_CURSOR_PASSTHROUGH;
+		return;
+	}
+
+	size_t index = 0;
+	for (size_t i = 0; i < desktop->views->length; ++i) {
+		struct roots_view *_view = desktop->views->items[i];
+		if (_view == view) {
+			index = i;
+			break;
+		}
+	}
+
+	view_activate(view, true);
+	// TODO: list_swap
+	wlr_list_del(desktop->views, index);
+	wlr_list_add(desktop->views, view);
+	wlr_seat_keyboard_notify_enter(seat->seat, view->wlr_surface);
+}
+
+void roots_seat_begin_move(struct roots_seat *seat, struct roots_view *view) {
+	struct roots_cursor *cursor = seat->cursor;
+	cursor->mode = ROOTS_CURSOR_MOVE;
+	cursor->offs_x = cursor->cursor->x;
+	cursor->offs_y = cursor->cursor->y;
+	if (view->maximized) {
+		cursor->view_x = view->saved.x;
+		cursor->view_y = view->saved.y;
+	} else {
+		cursor->view_x = view->x;
+		cursor->view_y = view->y;
+	}
+	view_maximize(view, false);
+	wlr_seat_pointer_clear_focus(seat->seat);
+
+	wlr_xcursor_manager_set_cursor_image(seat->cursor->xcursor_manager,
+		ROOTS_XCURSOR_MOVE, seat->cursor->cursor);
+}
+
+void roots_seat_begin_resize(struct roots_seat *seat, struct roots_view *view,
+		uint32_t edges) {
+	struct roots_cursor *cursor = seat->cursor;
+	cursor->mode = ROOTS_CURSOR_RESIZE;
+	cursor->offs_x = cursor->cursor->x;
+	cursor->offs_y = cursor->cursor->y;
+	if (view->maximized) {
+		cursor->view_x = view->saved.x;
+		cursor->view_y = view->saved.y;
+		cursor->view_width = view->saved.width;
+		cursor->view_height = view->saved.height;
+	} else {
+		cursor->view_x = view->x;
+		cursor->view_y = view->y;
+		struct wlr_box box;
+		view_get_box(view, &box);
+		cursor->view_width = box.width;
+		cursor->view_height = box.height;
+	}
+	cursor->resize_edges = edges;
+	view_maximize(view, false);
+	wlr_seat_pointer_clear_focus(seat->seat);
+
+	wlr_xcursor_manager_set_cursor_image(seat->cursor->xcursor_manager,
+		roots_xcursor_get_resize_name(edges), seat->cursor->cursor);
+}
+
+void roots_seat_begin_rotate(struct roots_seat *seat, struct roots_view *view) {
+	struct roots_cursor *cursor = seat->cursor;
+	cursor->mode = ROOTS_CURSOR_ROTATE;
+	cursor->offs_x = cursor->cursor->x;
+	cursor->offs_y = cursor->cursor->y;
+	cursor->view_rotation = view->rotation;
+	view_maximize(view, false);
+	wlr_seat_pointer_clear_focus(seat->seat);
+
+	wlr_xcursor_manager_set_cursor_image(seat->cursor->xcursor_manager,
+		ROOTS_XCURSOR_ROTATE, seat->cursor->cursor);
+}

rootston/tablet_tool.c

@@ -1,24 +0,0 @@
-#include <stdlib.h>
-#include <wayland-server.h>
-#include <wlr/types/wlr_input_device.h>
-#include <wlr/types/wlr_pointer.h>
-#include <wlr/util/log.h>
-#include "rootston/input.h"
-
-void tablet_tool_add(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_tablet_tool *tool = calloc(sizeof(struct roots_tablet_tool), 1);
-	device->data = tool;
-	tool->device = device;
-	tool->input = input;
-	wl_list_insert(&input->tablet_tools, &tool->link);
-	wlr_cursor_attach_input_device(input->cursor, device);
-	cursor_load_config(input->server->config, input->cursor,
-			input, input->server->desktop);
-}
-
-void tablet_tool_remove(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_tablet_tool *tablet_tool = device->data;
-	wlr_cursor_detach_input_device(input->cursor, device);
-	wl_list_remove(&tablet_tool->link);
-	free(tablet_tool);
-}

rootston/touch.c

@@ -1,26 +0,0 @@
-#include <stdlib.h>
-#include <wayland-server.h>
-#include <wlr/types/wlr_input_device.h>
-#include <wlr/types/wlr_pointer.h>
-#include "rootston/input.h"
-
-// TODO: we'll likely want touch events to both control the cursor *and* be
-// submitted directly to the seat.
-
-void touch_add(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_touch *touch = calloc(sizeof(struct roots_touch), 1);
-	device->data = touch;
-	touch->device = device;
-	touch->input = input;
-	wl_list_insert(&input->touch, &touch->link);
-	wlr_cursor_attach_input_device(input->cursor, device);
-	cursor_load_config(input->server->config, input->cursor,
-			input, input->server->desktop);
-}
-
-void touch_remove(struct wlr_input_device *device, struct roots_input *input) {
-	struct roots_touch *touch = device->data;
-	wlr_cursor_detach_input_device(input->cursor, device);
-	wl_list_remove(&touch->link);
-	free(touch);
-}

rootston/wl_shell.c

@@ -29,11 +29,11 @@ static void handle_request_move(struct wl_listener *listener, void *data) {
 	struct roots_view *view = roots_surface->view;
 	struct roots_input *input = view->desktop->server->input;
 	struct wlr_wl_shell_surface_move_event *e = data;
-	const struct roots_input_event *event = get_input_event(input, e->serial);
-	if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
+	struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
+	if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
-	view_begin_move(input, event->cursor, view);
+	roots_seat_begin_move(seat, view);
 }
 
 static void handle_request_resize(struct wl_listener *listener, void *data) {
@@ -42,11 +42,32 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	struct roots_view *view = roots_surface->view;
 	struct roots_input *input = view->desktop->server->input;
 	struct wlr_wl_shell_surface_resize_event *e = data;
-	const struct roots_input_event *event = get_input_event(input, e->serial);
-	if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
+	struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
+	// TODO verify input event
+	if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
-	view_begin_resize(input, event->cursor, view, e->edges);
+	roots_seat_begin_resize(seat, view, e->edges);
+}
+
+static void handle_request_set_maximized(struct wl_listener *listener,
+		void *data) {
+	struct roots_wl_shell_surface *roots_surface =
+		wl_container_of(listener, roots_surface, request_set_maximized);
+	struct roots_view *view = roots_surface->view;
+	//struct wlr_wl_shell_surface_set_maximized_event *e = data;
+	view_maximize(view, true);
+}
+
+static void handle_set_state(struct wl_listener *listener, void *data) {
+	struct roots_wl_shell_surface *roots_surface =
+		wl_container_of(listener, roots_surface, set_state);
+	struct roots_view *view = roots_surface->view;
+	struct wlr_wl_shell_surface *surface = view->wl_shell_surface;
+	if (view->maximized &&
+			surface->state != WLR_WL_SHELL_SURFACE_STATE_MAXIMIZED) {
+		view_maximize(view, false);
+	}
 }
 
 static void handle_surface_commit(struct wl_listener *listener, void *data) {
@@ -60,6 +81,9 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
 	wl_list_remove(&roots_surface->destroy.link);
 	wl_list_remove(&roots_surface->request_move.link);
 	wl_list_remove(&roots_surface->request_resize.link);
+	wl_list_remove(&roots_surface->request_set_maximized.link);
+	wl_list_remove(&roots_surface->set_state.link);
+	wl_list_remove(&roots_surface->surface_commit.link);
 	view_destroy(roots_surface->view);
 	free(roots_surface);
 }
@@ -93,6 +117,11 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_resize.notify = handle_request_resize;
 	wl_signal_add(&surface->events.request_resize,
 		&roots_surface->request_resize);
+	roots_surface->request_set_maximized.notify = handle_request_set_maximized;
+	wl_signal_add(&surface->events.request_set_maximized,
+		&roots_surface->request_set_maximized);
+	roots_surface->set_state.notify = handle_set_state;
+	wl_signal_add(&surface->events.set_state, &roots_surface->set_state);
 	roots_surface->surface_commit.notify = handle_surface_commit;
 	wl_signal_add(&surface->surface->events.commit,
 		&roots_surface->surface_commit);

rootston/xcursor.c

@@ -1,15 +1,10 @@
-#include <wlr/types/wlr_cursor.h>
+#define _POSIX_C_SOURCE 200809L
+#include <stdlib.h>
+#include <string.h>
+#include "rootston/xcursor.h"
 #include "rootston/input.h"
 
-struct wlr_xcursor *get_default_xcursor(struct wlr_xcursor_theme *theme) {
-	return wlr_xcursor_theme_get_cursor(theme, "left_ptr");
-}
-
-struct wlr_xcursor *get_move_xcursor(struct wlr_xcursor_theme *theme) {
-	return wlr_xcursor_theme_get_cursor(theme, "grabbing");
-}
-
-static const char *get_resize_xcursor_name(uint32_t edges) {
+const char *roots_xcursor_get_resize_name(uint32_t edges) {
 	if (edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
 		if (edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
 			return "ne-resize";
@@ -31,12 +26,3 @@ static const char *get_resize_xcursor_name(uint32_t edges) {
 	}
 	return "se-resize"; // fallback
 }
-
-struct wlr_xcursor *get_resize_xcursor(struct wlr_xcursor_theme *theme,
-	uint32_t edges) {
-	return wlr_xcursor_theme_get_cursor(theme, get_resize_xcursor_name(edges));
-}
-
-struct wlr_xcursor *get_rotate_xcursor(struct wlr_xcursor_theme *theme) {
-	return wlr_xcursor_theme_get_cursor(theme, "grabbing");
-}

rootston/xdg_shell_v6.c

@@ -10,11 +10,17 @@
 #include "rootston/server.h"
 #include "rootston/input.h"
 
-static void get_size(struct roots_view *view, struct wlr_box *box) {
+static void get_size(const struct roots_view *view, struct wlr_box *box) {
 	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
 	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
-	// TODO: surface->geometry can be NULL
-	memcpy(box, surface->geometry, sizeof(struct wlr_box));
+
+	if (surface->geometry->width > 0 && surface->geometry->height > 0) {
+		box->width = surface->geometry->width;
+		box->height = surface->geometry->height;
+	} else {
+		box->width = view->wlr_surface->current->width;
+		box->height = view->wlr_surface->current->height;
+	}
 }
 
 static void activate(struct roots_view *view, bool active) {
@@ -87,6 +93,16 @@ static void move_resize(struct roots_view *view, double x, double y,
 		constrained_height);
 }
 
+static void maximize(struct roots_view *view, bool maximized) {
+	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
+	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+	if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		return;
+	}
+
+	wlr_xdg_toplevel_v6_set_maximized(surface, maximized);
+}
+
 static void close(struct roots_view *view) {
 	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
 	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
@@ -101,11 +117,12 @@ static void handle_request_move(struct wl_listener *listener, void *data) {
 	struct roots_view *view = roots_xdg_surface->view;
 	struct roots_input *input = view->desktop->server->input;
 	struct wlr_xdg_toplevel_v6_move_event *e = data;
-	const struct roots_input_event *event = get_input_event(input, e->serial);
-	if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
+	struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
+	// TODO verify event serial
+	if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
-	view_begin_move(input, event->cursor, view);
+	roots_seat_begin_move(seat, view);
 }
 
 static void handle_request_resize(struct wl_listener *listener, void *data) {
@@ -114,11 +131,26 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	struct roots_view *view = roots_xdg_surface->view;
 	struct roots_input *input = view->desktop->server->input;
 	struct wlr_xdg_toplevel_v6_resize_event *e = data;
-	const struct roots_input_event *event = get_input_event(input, e->serial);
-	if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
+	// TODO verify event serial
+	struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
+	assert(seat);
+	if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
-	view_begin_resize(input, event->cursor, view, e->edges);
+	roots_seat_begin_resize(seat, view, e->edges);
+}
+
+static void handle_request_maximize(struct wl_listener *listener, void *data) {
+	struct roots_xdg_surface_v6 *roots_xdg_surface =
+		wl_container_of(listener, roots_xdg_surface, request_maximize);
+	struct roots_view *view = roots_xdg_surface->view;
+	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+
+	if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		return;
+	}
+
+	view_maximize(view, surface->toplevel_state->next.maximized);
 }
 
 static void handle_commit(struct wl_listener *listener, void *data) {
@@ -178,6 +210,9 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_resize.notify = handle_request_resize;
 	wl_signal_add(&surface->events.request_resize,
 		&roots_surface->request_resize);
+	roots_surface->request_maximize.notify = handle_request_maximize;
+	wl_signal_add(&surface->events.request_maximize,
+		&roots_surface->request_maximize);
 
 	struct roots_view *view = calloc(1, sizeof(struct roots_view));
 	if (!view) {
@@ -192,6 +227,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	view->activate = activate;
 	view->resize = resize;
 	view->move_resize = move_resize;
+	view->maximize = maximize;
 	view->close = close;
 	view->desktop = desktop;
 	roots_surface->view = view;

rootston/xwayland.c

@@ -85,11 +85,22 @@ static void close(struct roots_view *view) {
 	wlr_xwayland_surface_close(view->desktop->xwayland, view->xwayland_surface);
 }
 
+static void maximize(struct roots_view *view, bool maximized) {
+	assert(view->type == ROOTS_XWAYLAND_VIEW);
+
+	wlr_xwayland_surface_set_maximized(view->desktop->xwayland,
+		view->xwayland_surface, maximized);
+}
+
 static void handle_destroy(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, destroy);
 	view_teardown(roots_surface->view);
 	wl_list_remove(&roots_surface->destroy.link);
+	wl_list_remove(&roots_surface->request_configure.link);
+	wl_list_remove(&roots_surface->request_move.link);
+	wl_list_remove(&roots_surface->request_resize.link);
+	wl_list_remove(&roots_surface->request_maximize.link);
 	wl_list_remove(&roots_surface->map_notify.link);
 	wl_list_remove(&roots_surface->unmap_notify.link);
 	view_destroy(roots_surface->view);
@@ -110,26 +121,16 @@ static void handle_request_configure(struct wl_listener *listener, void *data) {
 		xwayland_surface, event->x, event->y, event->width, event->height);
 }
 
-// XXX Needs deep refactoring to get this better. We need to select the correct
-// seat based on seat pointer focus, but interactive moving and resizing is not
-// yet seat aware. Even then, we can only guess because X11 events don't give us
-// enough wayland info to know for sure.
-static struct wlr_cursor *guess_cursor_for_view(struct roots_view *view) {
+static struct roots_seat *guess_seat_for_view(struct roots_view *view) {
+	// the best we can do is to pick the first seat that has the surface focused
+	// for the pointer
 	struct roots_input *input = view->desktop->server->input;
-	size_t len = sizeof(input->input_events) / sizeof(*input->input_events);
-	for (size_t i = 0; i < len; i++) {
-		struct wlr_cursor *cursor = input->input_events[i].cursor;
-		if (cursor) {
-			int width = view->xwayland_surface->surface->current->width;
-			int height = view->xwayland_surface->surface->current->height;
-			if (cursor->x > view->x && cursor->y > view->y &&
-					cursor->x < view->x + width &&
-					cursor->y < view->y + height) {
-				return cursor;
-			}
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		if (seat->seat->pointer_state.focused_surface == view->wlr_surface) {
+			return seat;
 		}
 	}
-
 	return NULL;
 }
 
@@ -137,28 +138,37 @@ static void handle_request_move(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, request_move);
 	struct roots_view *view = roots_surface->view;
-	struct roots_input *input = view->desktop->server->input;
-	struct wlr_cursor *cursor = guess_cursor_for_view(view);
+	struct roots_seat *seat = guess_seat_for_view(view);
 
-	if (!cursor || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
+	if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
 
-	view_begin_move(input, cursor, view);
+	roots_seat_begin_move(seat, view);
 }
 
 static void handle_request_resize(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, request_resize);
 	struct roots_view *view = roots_surface->view;
-	struct roots_input *input = view->desktop->server->input;
-	struct wlr_cursor *cursor = guess_cursor_for_view(view);
+	struct roots_seat *seat = guess_seat_for_view(view);
 	struct wlr_xwayland_resize_event *e = data;
 
-	if (!cursor || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
+	if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
 		return;
 	}
-	view_begin_resize(input, cursor, view, e->edges);
+	roots_seat_begin_resize(seat, view, e->edges);
+}
+
+static void handle_request_maximize(struct wl_listener *listener, void *data) {
+	struct roots_xwayland_surface *roots_surface =
+		wl_container_of(listener, roots_surface, request_maximize);
+	struct roots_view *view = roots_surface->view;
+	struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
+
+	bool maximized = xwayland_surface->maximized_vert &&
+		xwayland_surface->maximized_horz;
+	view_maximize(view, maximized);
 }
 
 static void handle_map_notify(struct wl_listener *listener, void *data) {
@@ -202,24 +212,24 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	if (roots_surface == NULL) {
 		return;
 	}
+
 	roots_surface->destroy.notify = handle_destroy;
 	wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
-
 	roots_surface->request_configure.notify = handle_request_configure;
 	wl_signal_add(&surface->events.request_configure,
 		&roots_surface->request_configure);
-
 	roots_surface->map_notify.notify = handle_map_notify;
 	wl_signal_add(&surface->events.map_notify, &roots_surface->map_notify);
-
 	roots_surface->unmap_notify.notify = handle_unmap_notify;
 	wl_signal_add(&surface->events.unmap_notify, &roots_surface->unmap_notify);
-
 	roots_surface->request_move.notify = handle_request_move;
 	wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
-
 	roots_surface->request_resize.notify = handle_request_resize;
-	wl_signal_add(&surface->events.request_resize, &roots_surface->request_resize);
+	wl_signal_add(&surface->events.request_resize,
+		&roots_surface->request_resize);
+	roots_surface->request_maximize.notify = handle_request_maximize;
+	wl_signal_add(&surface->events.request_maximize,
+		&roots_surface->request_maximize);
 
 	struct roots_view *view = calloc(1, sizeof(struct roots_view));
 	if (view == NULL) {
@@ -237,6 +247,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	view->resize = resize;
 	view->move = move;
 	view->move_resize = move_resize;
+	view->maximize = maximize;
 	view->close = close;
 	roots_surface->view = view;
 	wlr_list_add(desktop->views, view);

types/meson.build

@@ -20,8 +20,9 @@ lib_wlr_types = static_library(
 		'wlr_tablet_pad.c',
 		'wlr_tablet_tool.c',
 		'wlr_touch.c',
-		'wlr_xdg_shell_v6.c',
 		'wlr_wl_shell.c',
+		'wlr_xcursor_manager.c',
+		'wlr_xdg_shell_v6.c',
 	),
 	include_directories: wlr_inc,
 	dependencies: [wayland_server, pixman, wlr_protos],

types/wlr_cursor.c

@@ -261,8 +261,8 @@ void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
 		mapping = wlr_output_layout_get_box(cur->state->layout, NULL);
 	}
 
-	double x = mapping->width * x_mm + mapping->x;
-	double y = mapping->height * y_mm + mapping->y;
+	double x = x_mm > 0 ? mapping->width * x_mm + mapping->x : cur->x;
+	double y = y_mm > 0 ? mapping->height * y_mm + mapping->y : cur->y;
 
 	wlr_cursor_warp_unchecked(cur, x, y);
 }
@@ -299,9 +299,14 @@ void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
 
 void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
 		int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
-		int32_t hotspot_y) {
+		int32_t hotspot_y, uint32_t scale) {
 	struct wlr_cursor_output_cursor *output_cursor;
 	wl_list_for_each(output_cursor, &cur->state->output_cursors, link) {
+		if (scale != 0 &&
+				output_cursor->output_cursor->output->scale != scale) {
+			continue;
+		}
+
 		wlr_output_cursor_set_image(output_cursor->output_cursor, pixels,
 			stride, width, height, hotspot_x, hotspot_y);
 	}

types/wlr_data_device.c

@@ -531,9 +531,8 @@ static void keyboard_drag_key(struct wlr_seat_keyboard_grab *grab,
 	// no keyboard input during drags
 }
 
-static void keyboard_drag_modifiers(struct wlr_seat_keyboard_grab *grab,
-		uint32_t mods_depressed, uint32_t mods_latched,
-		uint32_t mods_locked, uint32_t group) {
+static void keyboard_drag_modifiers(struct wlr_seat_keyboard_grab *grab) {
+	//struct wlr_keyboard *keyboard = grab->seat->keyboard_state.keyboard;
 	// TODO change the dnd action based on what modifier is pressed on the
 	// keyboard
 }
@@ -637,7 +636,10 @@ static void data_device_start_drag(struct wl_client *client,
 
 	if (!seat_client_start_drag(seat_client, source, icon)) {
 		wl_resource_post_no_memory(device_resource);
-	} else {
+		return;
+	}
+
+	if (source) {
 		source->seat_client = seat_client;
 	}
 }
@@ -816,3 +818,11 @@ struct wlr_data_device_manager *wlr_data_device_manager_create(
 
 	return manager;
 }
+
+void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager) {
+  if (!manager) {
+    return;
+  }
+  wl_global_destroy(manager->global);
+  free(manager);
+}

types/wlr_keyboard.c

@@ -45,6 +45,30 @@ static void keyboard_modifier_update(struct wlr_keyboard *keyboard) {
 	wl_signal_emit(&keyboard->events.modifiers, keyboard);
 }
 
+static void keyboard_key_update(struct wlr_keyboard *keyboard,
+		struct wlr_event_keyboard_key *event) {
+	bool found = false;
+	size_t i = 0;
+	for (; i < WLR_KEYBOARD_KEYS_CAP; ++i) {
+		if (keyboard->keycodes[i] == event->keycode) {
+			found = true;
+			break;
+		}
+	}
+
+	if (event->state == WLR_KEY_PRESSED && !found) {
+		for (size_t i = 0; i < WLR_KEYBOARD_KEYS_CAP; ++i) {
+			if (keyboard->keycodes[i] == 0) {
+				keyboard->keycodes[i] = event->keycode;
+				break;
+			}
+		}
+	}
+	if (event->state == WLR_KEY_RELEASED && found) {
+		keyboard->keycodes[i] = 0;
+	}
+}
+
 void wlr_keyboard_notify_modifiers(struct wlr_keyboard *keyboard,
 		uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
 		uint32_t group) {
@@ -68,6 +92,7 @@ void wlr_keyboard_notify_key(struct wlr_keyboard *keyboard,
 	}
 	keyboard_led_update(keyboard);
 	keyboard_modifier_update(keyboard);
+	keyboard_key_update(keyboard, event);
 	wl_signal_emit(&keyboard->events.key, event);
 }
 
@@ -80,7 +105,10 @@ void wlr_keyboard_init(struct wlr_keyboard *kb,
 }
 
 void wlr_keyboard_destroy(struct wlr_keyboard *kb) {
-	if (kb && kb->impl && kb->impl->destroy) {
+	if (kb == NULL) {
+		return;
+	}
+	if (kb->impl && kb->impl->destroy) {
 		kb->impl->destroy(kb);
 	} else {
 		wl_list_remove(&kb->events.key.listener_list);

types/wlr_output.c

@@ -29,8 +29,7 @@ static void wl_output_send_to_resource(struct wl_resource *resource) {
 	if (version >= WL_OUTPUT_MODE_SINCE_VERSION) {
 		struct wlr_output_mode *mode;
 		wl_list_for_each(mode, &output->modes, link) {
-			// TODO: mode->flags should just be preferred
-			uint32_t flags = mode->flags;
+			uint32_t flags = mode->flags & WL_OUTPUT_MODE_PREFERRED;
 			if (output->current_mode == mode) {
 				flags |= WL_OUTPUT_MODE_CURRENT;
 			}
@@ -62,13 +61,17 @@ static void wlr_output_send_current_mode_to_resource(
 	}
 	if (output->current_mode != NULL) {
 		struct wlr_output_mode *mode = output->current_mode;
-		wl_output_send_mode(resource, mode->flags | WL_OUTPUT_MODE_CURRENT,
+		uint32_t flags = mode->flags & WL_OUTPUT_MODE_PREFERRED;
+		wl_output_send_mode(resource, flags | WL_OUTPUT_MODE_CURRENT,
 			mode->width, mode->height, mode->refresh);
 	} else {
 		// Output has no mode, send the current width/height
 		wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT, output->width,
 			output->height, 0);
 	}
+	if (version >= WL_OUTPUT_DONE_SINCE_VERSION) {
+		wl_output_send_done(resource);
+	}
 }
 
 static void wl_output_destroy(struct wl_resource *resource) {
@@ -163,6 +166,9 @@ bool wlr_output_set_mode(struct wlr_output *output,
 
 void wlr_output_update_size(struct wlr_output *output, int32_t width,
 		int32_t height) {
+	if (output->width == width && output->height == height) {
+		return;
+	}
 	output->width = width;
 	output->height = height;
 	wlr_output_update_matrix(output);
@@ -231,7 +237,6 @@ void wlr_output_destroy(struct wlr_output *output) {
 
 void wlr_output_effective_resolution(struct wlr_output *output,
 		int *width, int *height) {
-	// TODO: Scale factor
 	if (output->transform % 2 == 1) {
 		*width = output->height;
 		*height = output->width;
@@ -239,6 +244,8 @@ void wlr_output_effective_resolution(struct wlr_output *output,
 		*width = output->width;
 		*height = output->height;
 	}
+	*width /= output->scale;
+	*height /= output->scale;
 }
 
 void wlr_output_make_current(struct wlr_output *output) {
@@ -269,6 +276,8 @@ static void output_cursor_render(struct wlr_output_cursor *cursor) {
 	output_box.x = output_box.y = 0;
 	wlr_output_effective_resolution(cursor->output, &output_box.width,
 		&output_box.height);
+	output_box.width *= cursor->output->scale;
+	output_box.height *= cursor->output->scale;
 
 	struct wlr_box cursor_box;
 	output_cursor_get_box(cursor, &cursor_box);
@@ -471,7 +480,10 @@ void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
 	}
 }
 
-bool wlr_output_cursor_move(struct wlr_output_cursor *cursor, int x, int y) {
+bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
+		double x, double y) {
+	x *= cursor->output->scale;
+	y *= cursor->output->scale;
 	cursor->x = x;
 	cursor->y = y;
 
@@ -483,7 +495,7 @@ bool wlr_output_cursor_move(struct wlr_output_cursor *cursor, int x, int y) {
 	if (!cursor->output->impl->move_cursor) {
 		return false;
 	}
-	return cursor->output->impl->move_cursor(cursor->output, x, y);
+	return cursor->output->impl->move_cursor(cursor->output, (int)x, (int)y);
 }
 
 struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output) {

types/wlr_screenshooter.c

@@ -85,6 +85,7 @@ static void screenshooter_shoot(struct wl_client *client,
 	struct wlr_screenshot *screenshot =
 		calloc(1, sizeof(struct wlr_screenshot));
 	if (!screenshot) {
+		free(pixels);
 		wl_resource_post_no_memory(screenshooter_resource);
 		return;
 	}
@@ -96,6 +97,7 @@ static void screenshooter_shoot(struct wl_client *client,
 		wl_resource_get_version(screenshooter_resource), id);
 	if (screenshot->resource == NULL) {
 		free(screenshot);
+		free(pixels);
 		wl_resource_post_no_memory(screenshooter_resource);
 		return;
 	}
@@ -109,6 +111,7 @@ static void screenshooter_shoot(struct wl_client *client,
 	if (!state) {
 		wl_resource_destroy(screenshot->resource);
 		free(screenshot);
+		free(pixels);
 		wl_resource_post_no_memory(screenshooter_resource);
 		return;
 	}

types/wlr_seat.c

@@ -2,6 +2,7 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <wayland-server.h>
 #include <wlr/types/wlr_seat.h>
 #include <wlr/types/wlr_input_device.h>
@@ -284,11 +285,8 @@ static void default_keyboard_key(struct wlr_seat_keyboard_grab *grab,
 	wlr_seat_keyboard_send_key(grab->seat, time, key, state);
 }
 
-static void default_keyboard_modifiers(struct wlr_seat_keyboard_grab *grab,
-		uint32_t mods_depressed, uint32_t mods_latched,
-		uint32_t mods_locked, uint32_t group) {
-	wlr_seat_keyboard_send_modifiers(grab->seat, mods_depressed,
-		mods_latched, mods_locked, group);
+static void default_keyboard_modifiers(struct wlr_seat_keyboard_grab *grab) {
+	wlr_seat_keyboard_send_modifiers(grab->seat);
 }
 
 static void default_keyboard_cancel(struct wlr_seat_keyboard_grab *grab) {
@@ -577,12 +575,14 @@ void wlr_seat_pointer_notify_enter(struct wlr_seat *wlr_seat,
 
 void wlr_seat_pointer_notify_motion(struct wlr_seat *wlr_seat, uint32_t time,
 		double sx, double sy) {
+	clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
 	struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
 	grab->interface->motion(grab, time, sx, sy);
 }
 
 uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
 		uint32_t time, uint32_t button, uint32_t state) {
+	clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
 	if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
 		if (wlr_seat->pointer_state.button_count == 0) {
 			wlr_seat->pointer_state.grab_button = button;
@@ -605,6 +605,7 @@ uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
 
 void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
 		enum wlr_axis_orientation orientation, double value) {
+	clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
 	struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
 	grab->interface->axis(grab, time, orientation, value);
 }
@@ -708,24 +709,26 @@ static void keyboard_resource_destroy_notify(struct wl_listener *listener,
 	wlr_seat_keyboard_clear_focus(state->seat);
 }
 
-void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat,
-	uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
-	uint32_t group) {
+void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat) {
 	struct wlr_seat_client *client = seat->keyboard_state.focused_client;
 	if (!client || !client->keyboard) {
 		return;
 	}
 
-	uint32_t serial = wl_display_next_serial(seat->display);
+	struct wlr_keyboard *keyboard = seat->keyboard_state.keyboard;
+	if (!keyboard) {
+		return;
+	}
 
+	uint32_t serial = wl_display_next_serial(seat->display);
 	wl_keyboard_send_modifiers(client->keyboard, serial,
-		mods_depressed, mods_latched,
-		mods_locked, group);
+		keyboard->modifiers.depressed, keyboard->modifiers.latched,
+		keyboard->modifiers.locked, keyboard->modifiers.group);
 }
 
-void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
+void wlr_seat_keyboard_enter(struct wlr_seat *seat,
 		struct wlr_surface *surface) {
-	if (wlr_seat->keyboard_state.focused_surface == surface) {
+	if (seat->keyboard_state.focused_surface == surface) {
 		// this surface already got an enter notify
 		return;
 	}
@@ -734,75 +737,85 @@ void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
 
 	if (surface) {
 		struct wl_client *wl_client = wl_resource_get_client(surface->resource);
-		client = wlr_seat_client_for_wl_client(wlr_seat, wl_client);
+		client = wlr_seat_client_for_wl_client(seat, wl_client);
 	}
 
 	struct wlr_seat_client *focused_client =
-		wlr_seat->keyboard_state.focused_client;
+		seat->keyboard_state.focused_client;
 	struct wlr_surface *focused_surface =
-		wlr_seat->keyboard_state.focused_surface;
+		seat->keyboard_state.focused_surface;
 
 	// leave the previously entered surface
 	if (focused_client && focused_client->keyboard && focused_surface) {
-		uint32_t serial = wl_display_next_serial(wlr_seat->display);
+		uint32_t serial = wl_display_next_serial(seat->display);
 		wl_keyboard_send_leave(focused_client->keyboard, serial,
 			focused_surface->resource);
 	}
 
 	// enter the current surface
-	if (client && client->keyboard) {
-		// TODO: read the currently pressed keys out of the active keyboard and
-		// put them in this array
+	if (client && client->keyboard && seat->keyboard_state.keyboard) {
+		struct wlr_keyboard *keyboard = seat->keyboard_state.keyboard;
+
 		struct wl_array keys;
 		wl_array_init(&keys);
-		uint32_t serial = wl_display_next_serial(wlr_seat->display);
+		size_t n = 0;
+		for (size_t i = 0; i < WLR_KEYBOARD_KEYS_CAP; ++i) {
+			if (keyboard->keycodes[i] != 0) {
+				wl_array_add(&keys, sizeof(uint32_t));
+				((uint32_t *)keys.data)[n] = keyboard->keycodes[i];
+				n++;
+			}
+		}
+		uint32_t serial = wl_display_next_serial(seat->display);
 		wl_keyboard_send_enter(client->keyboard, serial,
 			surface->resource, &keys);
+		wl_array_release(&keys);
+
+		wlr_seat_keyboard_send_modifiers(seat);
 		wlr_seat_client_send_selection(client);
 	}
 
 	// reinitialize the focus destroy events
-	wl_list_remove(&wlr_seat->keyboard_state.surface_destroy.link);
-	wl_list_init(&wlr_seat->keyboard_state.surface_destroy.link);
-	wl_list_remove(&wlr_seat->keyboard_state.resource_destroy.link);
-	wl_list_init(&wlr_seat->keyboard_state.resource_destroy.link);
+	wl_list_remove(&seat->keyboard_state.surface_destroy.link);
+	wl_list_init(&seat->keyboard_state.surface_destroy.link);
+	wl_list_remove(&seat->keyboard_state.resource_destroy.link);
+	wl_list_init(&seat->keyboard_state.resource_destroy.link);
 	if (surface) {
 		wl_signal_add(&surface->events.destroy,
-			&wlr_seat->keyboard_state.surface_destroy);
+			&seat->keyboard_state.surface_destroy);
 		wl_resource_add_destroy_listener(surface->resource,
-			&wlr_seat->keyboard_state.resource_destroy);
-		wlr_seat->keyboard_state.resource_destroy.notify =
+			&seat->keyboard_state.resource_destroy);
+		seat->keyboard_state.resource_destroy.notify =
 			keyboard_resource_destroy_notify;
-		wlr_seat->keyboard_state.surface_destroy.notify =
+		seat->keyboard_state.surface_destroy.notify =
 			keyboard_surface_destroy_notify;
 	}
 
-	wlr_seat->keyboard_state.focused_client = client;
-	wlr_seat->keyboard_state.focused_surface = surface;
+	seat->keyboard_state.focused_client = client;
+	seat->keyboard_state.focused_surface = surface;
 }
 
-void wlr_seat_keyboard_notify_enter(struct wlr_seat *wlr_seat, struct
+void wlr_seat_keyboard_notify_enter(struct wlr_seat *seat, struct
 		wlr_surface *surface) {
-	struct wlr_seat_keyboard_grab *grab = wlr_seat->keyboard_state.grab;
+	struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
 	grab->interface->enter(grab, surface);
 }
 
-void wlr_seat_keyboard_clear_focus(struct wlr_seat *wlr_seat) {
+void wlr_seat_keyboard_clear_focus(struct wlr_seat *seat) {
 	struct wl_array keys;
 	wl_array_init(&keys);
-	wlr_seat_keyboard_enter(wlr_seat, NULL);
+	wlr_seat_keyboard_enter(seat, NULL);
 }
 
-void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat,
-		uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
-		uint32_t group) {
+void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat) {
+	clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
 	struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
-	grab->interface->modifiers(grab,
-		mods_depressed, mods_latched, mods_locked, group);
+	grab->interface->modifiers(grab);
 }
 
 void wlr_seat_keyboard_notify_key(struct wlr_seat *seat, uint32_t time,
 		uint32_t key, uint32_t state) {
+	clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
 	struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
 	grab->interface->key(grab, time, key, state);
 }

types/wlr_surface.c

@@ -649,8 +649,8 @@ void wlr_surface_get_matrix(struct wlr_surface *surface,
 		float (*matrix)[16],
 		const float (*projection)[16],
 		const float (*transform)[16]) {
-	int width = surface->texture->width / surface->current->scale;
-	int height = surface->texture->height / surface->current->scale;
+	int width = surface->texture->width;
+	int height = surface->texture->height;
 	float scale[16];
 	wlr_matrix_identity(matrix);
 	if (transform) {
@@ -905,3 +905,27 @@ struct wlr_subsurface *wlr_surface_subsurface_at(struct wlr_surface *surface,
 
 	return NULL;
 }
+
+void wlr_surface_send_enter(struct wlr_surface *surface,
+		struct wlr_output *output) {
+	struct wl_client *client = wl_resource_get_client(surface->resource);
+	struct wl_resource *resource;
+	wl_resource_for_each(resource, &output->wl_resources) {
+		if (client == wl_resource_get_client(resource)) {
+			wl_surface_send_enter(surface->resource, resource);
+			break;
+		}
+	}
+}
+
+void wlr_surface_send_leave(struct wlr_surface *surface,
+		struct wlr_output *output) {
+	struct wl_client *client = wl_resource_get_client(surface->resource);
+	struct wl_resource *resource;
+	wl_resource_for_each(resource, &output->wl_resources) {
+		if (client == wl_resource_get_client(resource)) {
+			wl_surface_send_leave(surface->resource, resource);
+			break;
+		}
+	}
+}

types/wlr_wl_shell.c

@@ -110,7 +110,7 @@ static void shell_surface_protocol_move(struct wl_client *client,
 		uint32_t serial) {
 	wlr_log(L_DEBUG, "got shell surface move");
 	struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
-	struct wlr_seat_handle *seat_handle =
+	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
 	struct wlr_wl_shell_surface_move_event *event =
@@ -121,7 +121,7 @@ static void shell_surface_protocol_move(struct wl_client *client,
 	}
 	event->client = client;
 	event->surface = surface;
-	event->seat_handle = seat_handle;
+	event->seat = seat;
 	event->serial = serial;
 
 	wl_signal_emit(&surface->events.request_move, event);
@@ -171,13 +171,12 @@ static void shell_surface_destroy_popup_state(
 	}
 }
 
-
 static void shell_surface_protocol_resize(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial, enum wl_shell_surface_resize edges) {
 	wlr_log(L_DEBUG, "got shell surface resize");
 	struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
-	struct wlr_seat_handle *seat_handle =
+	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
 	struct wlr_wl_shell_surface_resize_event *event =
@@ -188,7 +187,7 @@ static void shell_surface_protocol_resize(struct wl_client *client,
 	}
 	event->client = client;
 	event->surface = surface;
-	event->seat_handle = seat_handle;
+	event->seat = seat;
 	event->serial = serial;
 	event->edges = edges;
 
@@ -287,9 +286,8 @@ static void shell_surface_protocol_set_fullscreen(struct wl_client *client,
 		output = wl_resource_get_user_data(output_resource);
 	}
 
-	if (surface->state == WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL) {
-		return;
-	}
+	shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_FULLSCREEN,
+		NULL, NULL);
 
 	struct wlr_wl_shell_surface_set_fullscreen_event *event =
 		calloc(1, sizeof(struct wlr_wl_shell_surface_set_fullscreen_event));
@@ -349,7 +347,7 @@ static void shell_surface_protocol_set_popup(struct wl_client *client,
 	transient_state->flags = flags;
 
 	struct wlr_wl_shell_surface_popup_state *popup_state =
-		calloc(1, sizeof(struct wlr_wl_shell_surface_transient_state));
+		calloc(1, sizeof(struct wlr_wl_shell_surface_popup_state));
 	if (popup_state == NULL) {
 		free(transient_state);
 		wl_client_post_no_memory(client);
@@ -377,9 +375,8 @@ static void shell_surface_protocol_set_maximized(struct wl_client *client,
 		output = wl_resource_get_user_data(output_resource);
 	}
 
-	if (surface->state == WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL) {
-		return;
-	}
+	shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_MAXIMIZED,
+		NULL, NULL);
 
 	struct wlr_wl_shell_surface_set_maximized_event *event =
 		calloc(1, sizeof(struct wlr_wl_shell_surface_set_maximized_event));

types/wlr_xcursor_manager.c

@@ -0,0 +1,84 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdlib.h>
+#include <string.h>
+#include <wlr/types/wlr_xcursor_manager.h>
+
+struct wlr_xcursor_manager *wlr_xcursor_manager_create(const char *name,
+		uint32_t size) {
+	struct wlr_xcursor_manager *manager =
+		calloc(1, sizeof(struct wlr_xcursor_manager));
+	if (manager == NULL) {
+		return NULL;
+	}
+	if (name != NULL) {
+		manager->name = strdup(name);
+	}
+	manager->size = size;
+	wl_list_init(&manager->scaled_themes);
+	return manager;
+}
+
+void wlr_xcursor_manager_destroy(struct wlr_xcursor_manager *manager) {
+	if (manager == NULL) {
+		return;
+	}
+	struct wlr_xcursor_manager_theme *theme, *tmp;
+	wl_list_for_each_safe(theme, tmp, &manager->scaled_themes, link) {
+		wl_list_remove(&theme->link);
+		wlr_xcursor_theme_destroy(theme->theme);
+		free(theme);
+	}
+	free(manager->name);
+	free(manager);
+}
+
+int wlr_xcursor_manager_load(struct wlr_xcursor_manager *manager,
+		uint32_t scale) {
+	struct wlr_xcursor_manager_theme *theme;
+	wl_list_for_each(theme, &manager->scaled_themes, link) {
+		if (theme->scale == scale) {
+			return 0;
+		}
+	}
+
+	theme = calloc(1, sizeof(struct wlr_xcursor_manager_theme));
+	if (theme == NULL) {
+		return 1;
+	}
+	theme->scale = scale;
+	theme->theme = wlr_xcursor_theme_load(NULL, manager->size * scale);
+	if (theme->theme == NULL) {
+		free(theme);
+		return 1;
+	}
+	wl_list_insert(&manager->scaled_themes, &theme->link);
+	return 0;
+}
+
+struct wlr_xcursor *wlr_xcursor_manager_get_xcursor(
+		struct wlr_xcursor_manager *manager, const char *name, uint32_t scale) {
+	struct wlr_xcursor_manager_theme *theme;
+	wl_list_for_each(theme, &manager->scaled_themes, link) {
+		if (theme->scale == scale) {
+			return wlr_xcursor_theme_get_cursor(theme->theme, name);
+		}
+	}
+	return NULL;
+}
+
+void wlr_xcursor_manager_set_cursor_image(struct wlr_xcursor_manager *manager,
+		const char *name, struct wlr_cursor *cursor) {
+	struct wlr_xcursor_manager_theme *theme;
+	wl_list_for_each(theme, &manager->scaled_themes, link) {
+		struct wlr_xcursor *xcursor =
+			wlr_xcursor_theme_get_cursor(theme->theme, name);
+		if (xcursor == NULL) {
+			continue;
+		}
+
+		struct wlr_xcursor_image *image = xcursor->images[0];
+		wlr_cursor_set_image(cursor, image->buffer, image->width,
+			image->width, image->height, image->hotspot_x, image->hotspot_y,
+			theme->scale);
+	}
+}

types/wlr_xdg_shell_v6.c

@@ -111,11 +111,8 @@ static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab, uint32_t
 	wlr_seat_keyboard_send_key(grab->seat, time, key, state);
 }
 
-static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab,
-		uint32_t mods_depressed, uint32_t mods_latched,
-		uint32_t mods_locked, uint32_t group) {
-	wlr_seat_keyboard_send_modifiers(grab->seat, mods_depressed, mods_latched,
-		mods_locked, group);
+static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab) {
+	wlr_seat_keyboard_send_modifiers(grab->seat);
 }
 
 static void xdg_keyboard_grab_cancel(struct wlr_seat_keyboard_grab *grab) {
@@ -557,7 +554,7 @@ static void xdg_toplevel_protocol_show_window_menu(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial, int32_t x, int32_t y) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
-	struct wlr_seat_handle *seat_handle =
+	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
 	if (!surface->configured) {
@@ -576,7 +573,7 @@ static void xdg_toplevel_protocol_show_window_menu(struct wl_client *client,
 
 	event->client = client;
 	event->surface = surface;
-	event->seat_handle = seat_handle;
+	event->seat = seat;
 	event->serial = serial;
 	event->x = x;
 	event->y = y;
@@ -590,7 +587,7 @@ static void xdg_toplevel_protocol_move(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
-	struct wlr_seat_handle *seat_handle =
+	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
 	if (!surface->configured) {
@@ -609,7 +606,7 @@ static void xdg_toplevel_protocol_move(struct wl_client *client,
 
 	event->client = client;
 	event->surface = surface;
-	event->seat_handle = seat_handle;
+	event->seat = seat;
 	event->serial = serial;
 
 	wl_signal_emit(&surface->events.request_move, event);
@@ -621,7 +618,7 @@ static void xdg_toplevel_protocol_resize(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial, uint32_t edges) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
-	struct wlr_seat_handle *seat_handle =
+	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
 	if (!surface->configured) {
@@ -640,7 +637,7 @@ static void xdg_toplevel_protocol_resize(struct wl_client *client,
 
 	event->client = client;
 	event->surface = surface;
-	event->seat_handle = seat_handle;
+	event->seat = seat;
 	event->serial = serial;
 	event->edges = edges;
 
@@ -667,24 +664,28 @@ static void xdg_toplevel_protocol_set_maximized(struct wl_client *client,
 		struct wl_resource *resource) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
 	surface->toplevel_state->next.maximized = true;
+	wl_signal_emit(&surface->events.request_maximize, surface);
 }
 
 static void xdg_toplevel_protocol_unset_maximized(struct wl_client *client,
 		struct wl_resource *resource) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
 	surface->toplevel_state->next.maximized = false;
+	wl_signal_emit(&surface->events.request_maximize, surface);
 }
 
 static void xdg_toplevel_protocol_set_fullscreen(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *output_resource) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
 	surface->toplevel_state->next.fullscreen = true;
+	wl_signal_emit(&surface->events.request_fullscreen, surface);
 }
 
 static void xdg_toplevel_protocol_unset_fullscreen(struct wl_client *client,
 		struct wl_resource *resource) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
 	surface->toplevel_state->next.fullscreen = false;
+	wl_signal_emit(&surface->events.request_fullscreen, surface);
 }
 
 static void xdg_toplevel_protocol_set_minimized(struct wl_client *client,
@@ -1146,6 +1147,8 @@ static void xdg_shell_get_xdg_surface(struct wl_client *wl_client,
 	wl_list_init(&surface->configure_list);
 	wl_list_init(&surface->popups);
 
+	wl_signal_init(&surface->events.request_maximize);
+	wl_signal_init(&surface->events.request_fullscreen);
 	wl_signal_init(&surface->events.request_minimize);
 	wl_signal_init(&surface->events.request_move);
 	wl_signal_init(&surface->events.request_resize);
@@ -1347,6 +1350,16 @@ void wlr_xdg_toplevel_v6_send_close(struct wlr_xdg_surface_v6 *surface) {
 	zxdg_toplevel_v6_send_close(surface->toplevel_state->resource);
 }
 
+void wlr_xdg_surface_v6_popup_get_position(struct wlr_xdg_surface_v6 *surface,
+		double *popup_sx, double *popup_sy) {
+	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_POPUP);
+	struct wlr_xdg_surface_v6 *parent = surface->popup_state->parent;
+	*popup_sx = parent->geometry->x + surface->popup_state->geometry.x -
+		surface->geometry->x;
+	*popup_sy = parent->geometry->y + surface->popup_state->geometry.y -
+		surface->geometry->y;
+}
+
 struct wlr_xdg_surface_v6 *wlr_xdg_surface_v6_popup_at(
 		struct wlr_xdg_surface_v6 *surface, double sx, double sy,
 		double *popup_sx, double *popup_sy) {

xwayland/xwayland.c

@@ -211,6 +211,8 @@ static int xserver_handle_ready(int signal_number, void *data) {
 	snprintf(display_name, sizeof(display_name), ":%d", wlr_xwayland->display);
 	setenv("DISPLAY", display_name, true);
 
+	wl_signal_emit(&wlr_xwayland->events.ready, wlr_xwayland);
+
 	return 1; /* wayland event loop dispatcher's count */
 }
 
@@ -223,6 +225,7 @@ static bool wlr_xwayland_init(struct wlr_xwayland *wlr_xwayland,
 	wlr_xwayland->wl_fd[0] = wlr_xwayland->wl_fd[1] = -1;
 	wlr_xwayland->wm_fd[0] = wlr_xwayland->wm_fd[1] = -1;
 	wl_signal_init(&wlr_xwayland->events.new_surface);
+	wl_signal_init(&wlr_xwayland->events.ready);
 
 	wlr_xwayland->display = open_display_sockets(wlr_xwayland->x_fd);
 	if (wlr_xwayland->display < 0) {

xwayland/xwm.c

@@ -823,41 +823,47 @@ static void xwm_handle_net_wm_state_message(struct wlr_xwm *xwm,
 	if (!xsurface) {
 		return;
 	}
+	if (client_message->format != 32) {
+		return;
+	}
 
-	int maximized = xsurface_is_maximized(xsurface);
+	bool fullscreen = xsurface->fullscreen;
+	bool maximized = xsurface_is_maximized(xsurface);
 
 	uint32_t action = client_message->data.data32[0];
-	uint32_t property = client_message->data.data32[1];
+	for (size_t i = 0; i < 2; ++i) {
+		uint32_t property = client_message->data.data32[1 + i];
 
-	if (property == xwm->atoms[_NET_WM_STATE_FULLSCREEN] &&
-			update_state(action, &xsurface->fullscreen)) {
-		xsurface_set_net_wm_state(xsurface);
+		if (property == xwm->atoms[_NET_WM_STATE_FULLSCREEN] &&
+				update_state(action, &xsurface->fullscreen)) {
+			xsurface_set_net_wm_state(xsurface);
+		} else if (property == xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT] &&
+				update_state(action, &xsurface->maximized_vert)) {
+			xsurface_set_net_wm_state(xsurface);
+		} else if (property == xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ] &&
+				update_state(action, &xsurface->maximized_horz)) {
+			xsurface_set_net_wm_state(xsurface);
+		}
+	}
+	// client_message->data.data32[3] is the source indication
+	// all other values are set to 0
 
+	if (fullscreen != xsurface->fullscreen) {
 		if (xsurface->fullscreen) {
 			xsurface->saved_width = xsurface->width;
 			xsurface->saved_height = xsurface->height;
 		}
 
 		wl_signal_emit(&xsurface->events.request_fullscreen, xsurface);
-	} else {
-		if (property == xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT] &&
-				update_state(action, &xsurface->maximized_vert)) {
-			xsurface_set_net_wm_state(xsurface);
+	}
+
+	if (maximized != xsurface_is_maximized(xsurface)) {
+		if (xsurface_is_maximized(xsurface)) {
+			xsurface->saved_width = xsurface->width;
+			xsurface->saved_height = xsurface->height;
 		}
 
-		if (property == xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ] &&
-				update_state(action, &xsurface->maximized_horz)) {
-			xsurface_set_net_wm_state(xsurface);
-		}
-
-		if (maximized != xsurface_is_maximized(xsurface)) {
-			if (xsurface_is_maximized(xsurface)) {
-				xsurface->saved_width = xsurface->width;
-				xsurface->saved_height = xsurface->height;
-			}
-
-			wl_signal_emit(&xsurface->events.request_maximize, xsurface);
-		}
+		wl_signal_emit(&xsurface->events.request_maximize, xsurface);
 	}
 }
 
@@ -1310,8 +1316,8 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
 		xwm->atoms[_NET_ACTIVE_WINDOW],
 		xwm->atoms[_NET_WM_MOVERESIZE],
 		xwm->atoms[_NET_WM_STATE_FULLSCREEN],
-		xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ],
 		xwm->atoms[_NET_WM_STATE_MAXIMIZED_VERT],
+		xwm->atoms[_NET_WM_STATE_MAXIMIZED_HORZ],
 	};
 	xcb_change_property(xwm->xcb_conn,
 		XCB_PROP_MODE_REPLACE,