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Merge pull request #783 from swaywm/layer-input 

Add pointer input to layer surfaces
This commit is contained in:
Drew DeVault 2018-03-30 20:37:57 -04:00 committed by GitHub
parent c4666918fa 746e3759b7
commit 2701a964cf
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 288 additions and 77 deletions
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150
examples/layer-shell.c
View File

@ -7,12 +7,17 @@
#include <time.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-cursor.h>
#include <wayland-egl.h>
#include <wlr/render/egl.h>
#include <wlr/util/log.h>
#include "wlr-layer-shell-unstable-v1-client-protocol.h"
static struct wl_compositor *compositor = NULL;
static struct wl_seat *seat = NULL;
static struct wl_shm *shm = NULL;
static struct wl_pointer *pointer = NULL;
//static struct wl_keyboard *keyboard = NULL;
static struct zwlr_layer_shell_v1 *layer_shell = NULL;
struct zwlr_layer_surface_v1 *layer_surface;
static struct wl_output *wl_output = NULL;
@ -32,6 +37,12 @@ static double alpha = 1.0;
static bool run_display = true;
static bool animate = false;
static double frame = 0;
static int cur_x = -1, cur_y = -1;
static int buttons = 0;
struct wl_cursor_theme *cursor_theme;
struct wl_cursor_image *cursor_image;
struct wl_surface *cursor_surface;
static struct {
struct timespec last_frame;
@ -62,13 +73,15 @@ static void draw(void) {
(ts.tv_nsec - demo.last_frame.tv_nsec) / 1000000;
int inc = (demo.dec + 1) % 3;
demo.color[inc] += ms / 2000.0f;
demo.color[demo.dec] -= ms / 2000.0f;
if (!buttons) {
demo.color[inc] += ms / 2000.0f;
demo.color[demo.dec] -= ms / 2000.0f;
if (demo.color[demo.dec] < 0.0f) {
demo.color[inc] = 1.0f;
demo.color[demo.dec] = 0.0f;
demo.dec = inc;
if (demo.color[demo.dec] < 0.0f) {
demo.color[inc] = 1.0f;
demo.color[demo.dec] = 0.0f;
demo.dec = inc;
}
}
if (animate) {
@ -83,9 +96,21 @@ static void draw(void) {
}
glViewport(0, 0, width, height);
glClearColor(demo.color[0], demo.color[1], demo.color[2], alpha);
if (buttons) {
glClearColor(1, 1, 1, alpha);
} else {
glClearColor(demo.color[0], demo.color[1], demo.color[2], alpha);
}
glClear(GL_COLOR_BUFFER_BIT);
if (cur_x != -1 && cur_y != -1) {
glEnable(GL_SCISSOR_TEST);
glScissor(cur_x, height - cur_y, 5, 5);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
glDisable(GL_SCISSOR_TEST);
}
frame_callback = wl_surface_frame(wl_surface);
wl_callback_add_listener(frame_callback, &frame_listener, NULL);
@ -119,11 +144,102 @@ struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.closed = layer_surface_closed,
};
static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
wl_surface_attach(cursor_surface,
wl_cursor_image_get_buffer(cursor_image), 0, 0);
wl_pointer_set_cursor(wl_pointer, serial, cursor_surface,
cursor_image->hotspot_x, cursor_image->hotspot_y);
wl_surface_commit(cursor_surface);
}
static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface) {
cur_x = cur_y = -1;
buttons = 0;
}
static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
cur_x = wl_fixed_to_int(surface_x);
cur_y = wl_fixed_to_int(surface_y);
}
static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
buttons++;
} else {
buttons--;
}
}
static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis, wl_fixed_t value) {
// Who cares
}
static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
// Who cares
}
static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
uint32_t axis_source) {
// Who cares
}
static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis) {
// Who cares
}
static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
uint32_t axis, int32_t discrete) {
// Who cares
}
struct wl_pointer_listener pointer_listener = {
.enter = wl_pointer_enter,
.leave = wl_pointer_leave,
.motion = wl_pointer_motion,
.button = wl_pointer_button,
.axis = wl_pointer_axis,
.frame = wl_pointer_frame,
.axis_source = wl_pointer_axis_source,
.axis_stop = wl_pointer_axis_stop,
.axis_discrete = wl_pointer_axis_discrete,
};
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
enum wl_seat_capability caps) {
if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
pointer = wl_seat_get_pointer(wl_seat);
wl_pointer_add_listener(pointer, &pointer_listener, NULL);
}
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
// TODO
}
}
static void seat_handle_name(void *data, struct wl_seat *wl_seat,
const char *name) {
// Who cares
}
const struct wl_seat_listener seat_listener = {
.capabilities = seat_handle_capabilities,
.name = seat_handle_name,
};
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
if (strcmp(interface, "wl_compositor") == 0) {
compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 1);
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
shm = wl_registry_bind(registry, name,
&wl_shm_interface, 1);
} else if (strcmp(interface, "wl_output") == 0) {
if (output == 0 && !wl_output) {
wl_output = wl_registry_bind(registry, name,
@ -131,6 +247,10 @@ static void handle_global(void *data, struct wl_registry *registry,
} else {
output--;
}
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
seat = wl_registry_bind(registry, name,
&wl_seat_interface, 1);
wl_seat_add_listener(seat, &seat_listener, NULL);
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
layer_shell = wl_registry_bind(
registry, name, &zwlr_layer_shell_v1_interface, 1);
@ -250,11 +370,15 @@ int main(int argc, char **argv) {
wl_display_roundtrip(display);
if (compositor == NULL) {
fprintf(stderr, "wl-compositor not available\n");
fprintf(stderr, "wl_compositor not available\n");
return 1;
}
if (shm == NULL) {
fprintf(stderr, "wl_shm not available\n");
return 1;
}
if (layer_shell == NULL) {
fprintf(stderr, "layer-shell not available\n");
fprintf(stderr, "layer_shell not available\n");
return 1;
}
if (wl_output == NULL) {
@ -262,6 +386,12 @@ int main(int argc, char **argv) {
return 1;
}
assert(cursor_theme = wl_cursor_theme_load(NULL, 16, shm));
struct wl_cursor *cursor;
assert(cursor = wl_cursor_theme_get_cursor(cursor_theme, "left_ptr"));
cursor_image = cursor->images[0];
assert(cursor_surface = wl_compositor_create_surface(compositor));
EGLint attribs[] = { EGL_ALPHA_SIZE, 8, EGL_NONE };
wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display,
attribs, WL_SHM_FORMAT_ARGB8888);
@ -294,5 +424,7 @@ int main(int argc, char **argv) {
while (wl_display_dispatch(display) != -1 && run_display) {
// This space intentionally left blank
}
wl_cursor_theme_destroy(cursor_theme);
return 0;
}

3
examples/meson.build
View File

@ -6,6 +6,7 @@ lib_shared = static_library(
)
threads = dependency('threads')
wayland_cursor = dependency('wayland-cursor')
executable('simple', 'simple.c', dependencies: wlroots, link_with: lib_shared)
executable('pointer', 'pointer.c', dependencies: wlroots, link_with: lib_shared)
@ -52,5 +53,5 @@ executable(
executable(
'layer-shell',
'layer-shell.c',
dependencies: [wayland_client, wlr_protos, wlroots]
dependencies: [wayland_cursor, wayland_client, wlr_protos, wlroots]
)

7
include/rootston/desktop.h
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@ -1,6 +1,5 @@
#ifndef ROOTSTON_DESKTOP_H
#define ROOTSTON_DESKTOP_H
#include <time.h>
#include <wayland-server.h>
#include <wlr/config.h>
@ -73,8 +72,10 @@ struct roots_desktop *desktop_create(struct roots_server *server,
void desktop_destroy(struct roots_desktop *desktop);
struct roots_output *desktop_output_from_wlr_output(
struct roots_desktop *desktop, struct wlr_output *output);
struct roots_view *desktop_view_at(struct roots_desktop *desktop, double lx,
double ly, struct wlr_surface **surface, double *sx, double *sy);
struct wlr_surface *desktop_surface_at(struct roots_desktop *desktop,
double lx, double ly, double *sx, double *sy,
struct roots_view **view);
struct roots_view *view_create(struct roots_desktop *desktop);
void view_destroy(struct roots_view *view);

1
include/rootston/output.h
View File

@ -1,6 +1,5 @@
#ifndef ROOTSTON_OUTPUT_H
#define ROOTSTON_OUTPUT_H
#include <pixman.h>
#include <time.h>
#include <wayland-server.h>

122
rootston/cursor.c
View File

@ -10,6 +10,7 @@
#include <dev/evdev/input-event-codes.h>
#endif
#include "rootston/cursor.h"
#include "rootston/desktop.h"
#include "rootston/xcursor.h"
struct roots_cursor *roots_cursor_create(struct roots_seat *seat) {
@ -98,51 +99,59 @@ static void seat_view_deco_button(struct roots_seat_view *view, double sx,
}
}
static void roots_cursor_update_position(struct roots_cursor *cursor,
static void roots_passthrough_cursor(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 = NULL;
double sx, sy;
switch (cursor->mode) {
case ROOTS_CURSOR_PASSTHROUGH:
view = desktop_view_at(desktop, cursor->cursor->x, cursor->cursor->y,
&surface, &sx, &sy);
struct roots_view *view = NULL;
struct roots_seat *seat = cursor->seat;
struct roots_desktop *desktop = seat->input->server->desktop;
struct wlr_surface *surface = desktop_surface_at(desktop,
cursor->cursor->x, cursor->cursor->y, &sx, &sy, &view);
struct wl_client *client = NULL;
if (surface) {
client = wl_resource_get_client(surface->resource);
}
if (cursor->cursor_client != client) {
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
cursor->default_xcursor, cursor->cursor);
cursor->cursor_client = client;
}
if (view) {
struct roots_seat_view *seat_view =
roots_seat_view_from_view(seat, view);
if (cursor->pointer_view && (surface || seat_view != cursor->pointer_view)) {
if (cursor->pointer_view && (surface ||
seat_view != cursor->pointer_view)) {
seat_view_deco_leave(cursor->pointer_view);
cursor->pointer_view = NULL;
}
bool set_compositor_cursor = !view && !surface && cursor->cursor_client;
if (view && surface) {
struct wl_client *view_client =
wl_resource_get_client(view->wlr_surface->resource);
set_compositor_cursor = view_client != cursor->cursor_client;
}
if (set_compositor_cursor) {
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
cursor->default_xcursor, cursor->cursor);
cursor->cursor_client = NULL;
}
if (view && !surface) {
if (seat_view) {
cursor->pointer_view = seat_view;
seat_view_deco_motion(seat_view, sx, sy);
}
} if (view && surface) {
// motion over a view surface
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(seat->seat);
if (!surface) {
cursor->pointer_view = seat_view;
seat_view_deco_motion(seat_view, sx, sy);
}
}
struct roots_drag_icon *drag_icon;
wl_list_for_each(drag_icon, &seat->drag_icons, link) {
roots_drag_icon_update_position(drag_icon);
}
if (surface) {
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(seat->seat);
}
struct roots_drag_icon *drag_icon;
wl_list_for_each(drag_icon, &seat->drag_icons, link) {
roots_drag_icon_update_position(drag_icon);
}
}
static void roots_cursor_update_position(
struct roots_cursor *cursor, uint32_t time) {
struct roots_seat *seat = cursor->seat;
struct roots_view *view;
switch (cursor->mode) {
case ROOTS_CURSOR_PASSTHROUGH:
roots_passthrough_cursor(cursor, time);
break;
case ROOTS_CURSOR_MOVE:
view = roots_seat_get_focus(seat);
@ -180,15 +189,9 @@ static void roots_cursor_update_position(struct roots_cursor *cursor,
} else if (cursor->resize_edges & WLR_EDGE_RIGHT) {
width += dx;
}
if (width < 1) {
width = 1;
}
if (height < 1) {
height = 1;
}
view_move_resize(view, x, y, width, height);
view_move_resize(view, x, y,
width < 1 ? 1 : width,
height < 1 ? 1 : height);
}
break;
case ROOTS_CURSOR_ROTATE:
@ -214,15 +217,15 @@ static void roots_cursor_press_button(struct roots_cursor *cursor,
uint32_t state, double lx, double ly) {
struct roots_seat *seat = cursor->seat;
struct roots_desktop *desktop = seat->input->server->desktop;
bool is_touch = device->type == WLR_INPUT_DEVICE_TOUCH;
struct wlr_surface *surface = NULL;
double sx, sy;
struct roots_view *view =
desktop_view_at(desktop, lx, ly, &surface, &sx, &sy);
struct roots_view *view;
struct wlr_surface *surface = desktop_surface_at(desktop,
lx, ly, &sx, &sy, &view);
if (state == WLR_BUTTON_PRESSED &&
view &&
if (state == WLR_BUTTON_PRESSED && view &&
roots_seat_has_meta_pressed(seat)) {
roots_seat_set_focus(seat, view);
@ -250,11 +253,9 @@ static void roots_cursor_press_button(struct roots_cursor *cursor,
break;
}
} else {
if (view && !surface) {
if (cursor->pointer_view) {
seat_view_deco_button(cursor->pointer_view, sx, sy, button, state);
}
if (view && !surface && cursor->pointer_view) {
seat_view_deco_button(cursor->pointer_view,
sx, sy, button, state);
}
if (state == WLR_BUTTON_RELEASED &&
@ -308,7 +309,6 @@ void roots_cursor_handle_axis(struct roots_cursor *cursor,
void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
struct wlr_event_touch_down *event) {
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
struct wlr_surface *surface = NULL;
double lx, ly;
bool result = wlr_cursor_absolute_to_layout_coords(cursor->cursor,
event->device, event->x, event->y, &lx, &ly);
@ -316,7 +316,8 @@ void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
return;
}
double sx, sy;
desktop_view_at(desktop, lx, ly, &surface, &sx, &sy);
struct wlr_surface *surface = desktop_surface_at(
desktop, lx, ly, &sx, &sy, NULL);
uint32_t serial = 0;
if (surface) {
@ -359,17 +360,16 @@ void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
return;
}
struct wlr_surface *surface = NULL;
double lx, ly;
bool result =
wlr_cursor_absolute_to_layout_coords(cursor->cursor,
bool result = wlr_cursor_absolute_to_layout_coords(cursor->cursor,
event->device, event->x, event->y, &lx, &ly);
if (!result) {
return;
}
double sx, sy;
desktop_view_at(desktop, lx, ly, &surface, &sx, &sy);
struct wlr_surface *surface = desktop_surface_at(
desktop, lx, ly, &sx, &sy, NULL);
if (surface) {
wlr_seat_touch_point_focus(cursor->seat->seat, surface,

82
rootston/desktop.c
View File

@ -20,10 +20,12 @@
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include "rootston/layers.h"
#include "rootston/seat.h"
#include "rootston/server.h"
#include "rootston/view.h"
#include "rootston/xcursor.h"
#include "wlr-layer-shell-unstable-v1-protocol.h"
struct roots_view *view_create(struct roots_desktop *desktop) {
struct roots_view *view = calloc(1, sizeof(struct roots_view));
@ -632,8 +634,9 @@ static bool view_at(struct roots_view *view, double lx, double ly,
return false;
}
struct roots_view *desktop_view_at(struct roots_desktop *desktop, double lx,
double ly, struct wlr_surface **surface, double *sx, double *sy) {
static struct roots_view *desktop_view_at(struct roots_desktop *desktop,
double lx, double ly, struct wlr_surface **surface,
double *sx, double *sy) {
struct wlr_output *wlr_output =
wlr_output_layout_output_at(desktop->layout, lx, ly);
if (wlr_output != NULL) {
@ -657,6 +660,81 @@ struct roots_view *desktop_view_at(struct roots_desktop *desktop, double lx,
return NULL;
}
static struct wlr_surface *layer_surface_at(struct roots_output *output,
struct wl_list *layer, double ox, double oy, double *sx, double *sy) {
struct roots_layer_surface *roots_surface;
wl_list_for_each_reverse(roots_surface, layer, link) {
struct wlr_surface *wlr_surface =
roots_surface->layer_surface->surface;
double _sx = ox - roots_surface->geo.x;
double _sy = oy - roots_surface->geo.y;
struct wlr_box box = {
.x = roots_surface->geo.x,
.y = roots_surface->geo.y,
.width = wlr_surface->current->width,
.height = wlr_surface->current->height,
};
// TODO: Test popups/subsurfaces
if (wlr_box_contains_point(&box, ox, oy) &&
pixman_region32_contains_point(&wlr_surface->current->input,
_sx, _sy, NULL)) {
*sx = _sx;
*sy = _sy;
return wlr_surface;
}
}
return NULL;
}
struct wlr_surface *desktop_surface_at(struct roots_desktop *desktop,
double lx, double ly, double *sx, double *sy,
struct roots_view **view) {
struct wlr_surface *surface = NULL;
struct wlr_output *wlr_output =
wlr_output_layout_output_at(desktop->layout, lx, ly);
struct roots_output *roots_output;
double ox = lx, oy = ly;
*view = NULL;
if (wlr_output) {
roots_output = wlr_output->data;
wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
ox, oy, sx, sy))) {
return surface;
}
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
ox, oy, sx, sy))) {
return surface;
}
}
struct roots_view *_view;
if ((_view = desktop_view_at(desktop, lx, ly, &surface, sx, sy))) {
if (view) {
*view = _view;
}
return surface;
}
if (wlr_output) {
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
ox, oy, sx, sy))) {
return surface;
}
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
ox, oy, sx, sy))) {
return surface;
}
}
return NULL;
}
static void handle_layout_change(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, layout_change);