From 7d26a6debd6e9808d4a4bf7d39b71ad5f5031f79 Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Wed, 14 Feb 2018 12:40:13 +0100 Subject: [PATCH] xdg-shell stable: copy-pasta implementation --- include/rootston/desktop.h | 4 + include/rootston/view.h | 26 + include/wlr/types/wlr_xdg_shell.h | 232 +++++ protocol/meson.build | 2 + rootston/desktop.c | 6 + rootston/meson.build | 1 + rootston/output.c | 37 + rootston/xdg_shell.c | 363 +++++++ types/meson.build | 1 + types/wlr_xdg_shell.c | 1457 +++++++++++++++++++++++++++++ 10 files changed, 2129 insertions(+) create mode 100644 include/wlr/types/wlr_xdg_shell.h create mode 100644 rootston/xdg_shell.c create mode 100644 types/wlr_xdg_shell.c diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h index 6572b242..0132a7e8 100644 --- a/include/rootston/desktop.h +++ b/include/rootston/desktop.h @@ -15,6 +15,7 @@ #include #include #include +#include #include "rootston/config.h" #include "rootston/output.h" #include "rootston/view.h" @@ -34,6 +35,7 @@ struct roots_desktop { struct wlr_compositor *compositor; struct wlr_wl_shell *wl_shell; struct wlr_xdg_shell_v6 *xdg_shell_v6; + struct wlr_xdg_shell *xdg_shell; struct wlr_gamma_control_manager *gamma_control_manager; struct wlr_screenshooter *screenshooter; struct wlr_server_decoration_manager *server_decoration_manager; @@ -43,6 +45,7 @@ struct roots_desktop { struct wl_listener new_output; struct wl_listener layout_change; struct wl_listener xdg_shell_v6_surface; + struct wl_listener xdg_shell_surface; struct wl_listener wl_shell_surface; struct wl_listener decoration_new; @@ -72,6 +75,7 @@ void view_update_position(struct roots_view *view, double x, double y); void view_update_size(struct roots_view *view, uint32_t width, uint32_t height); void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data); +void handle_xdg_shell_surface(struct wl_listener *listener, void *data); void handle_wl_shell_surface(struct wl_listener *listener, void *data); void handle_xwayland_surface(struct wl_listener *listener, void *data); diff --git a/include/rootston/view.h b/include/rootston/view.h index b61ac330..198086c1 100644 --- a/include/rootston/view.h +++ b/include/rootston/view.h @@ -6,6 +6,7 @@ #include #include #include +#include struct roots_wl_shell_surface { struct roots_view *view; @@ -36,6 +37,21 @@ struct roots_xdg_surface_v6 { uint32_t pending_move_resize_configure_serial; }; +struct roots_xdg_surface { + struct roots_view *view; + + struct wl_listener destroy; + struct wl_listener new_popup; + struct wl_listener request_move; + struct wl_listener request_resize; + struct wl_listener request_maximize; + struct wl_listener request_fullscreen; + + struct wl_listener surface_commit; + + uint32_t pending_move_resize_configure_serial; +}; + struct roots_xwayland_surface { struct roots_view *view; @@ -54,6 +70,7 @@ struct roots_xwayland_surface { enum roots_view_type { ROOTS_WL_SHELL_VIEW, ROOTS_XDG_SHELL_V6_VIEW, + ROOTS_XDG_SHELL_VIEW, #ifdef WLR_HAS_XWAYLAND ROOTS_XWAYLAND_VIEW, #endif @@ -90,6 +107,7 @@ struct roots_view { union { struct wlr_wl_shell_surface *wl_shell_surface; struct wlr_xdg_surface_v6 *xdg_surface_v6; + struct wlr_xdg_surface *xdg_surface; #ifdef WLR_HAS_XWAYLAND struct wlr_xwayland_surface *xwayland_surface; #endif @@ -97,6 +115,7 @@ struct roots_view { union { struct roots_wl_shell_surface *roots_wl_shell_surface; struct roots_xdg_surface_v6 *roots_xdg_surface_v6; + struct roots_xdg_surface *roots_xdg_surface; #ifdef WLR_HAS_XWAYLAND struct roots_xwayland_surface *roots_xwayland_surface; #endif @@ -154,6 +173,13 @@ struct roots_xdg_popup_v6 { struct wl_listener new_popup; }; +struct roots_xdg_popup { + struct roots_view_child view_child; + struct wlr_xdg_popup *wlr_popup; + struct wl_listener destroy; + struct wl_listener new_popup; +}; + 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); diff --git a/include/wlr/types/wlr_xdg_shell.h b/include/wlr/types/wlr_xdg_shell.h new file mode 100644 index 00000000..8422863c --- /dev/null +++ b/include/wlr/types/wlr_xdg_shell.h @@ -0,0 +1,232 @@ +#ifndef WLR_TYPES_WLR_XDG_SHELL_H +#define WLR_TYPES_WLR_XDG_SHELL_H + +#include +#include +#include + +struct wlr_xdg_shell { + struct wl_global *wl_global; + struct wl_list clients; + struct wl_list popup_grabs; + uint32_t ping_timeout; + + struct wl_listener display_destroy; + + struct { + struct wl_signal new_surface; + } events; + + void *data; +}; + +struct wlr_xdg_client { + struct wlr_xdg_shell *shell; + struct wl_resource *resource; + struct wl_client *client; + struct wl_list surfaces; + + struct wl_list link; // wlr_xdg_shell::clients + + uint32_t ping_serial; + struct wl_event_source *ping_timer; +}; + +struct wlr_xdg_popup { + struct wlr_xdg_surface *base; + struct wl_list link; + + struct wl_resource *resource; + bool committed; + struct wlr_xdg_surface *parent; + struct wlr_seat *seat; + struct wlr_box geometry; + + struct wl_list grab_link; // wlr_xdg_popup_grab::popups +}; + +// each seat gets a popup grab +struct wlr_xdg_popup_grab { + struct wl_client *client; + struct wlr_seat_pointer_grab pointer_grab; + struct wlr_seat_keyboard_grab keyboard_grab; + struct wlr_seat *seat; + struct wl_list popups; + struct wl_list link; // wlr_xdg_shell::popup_grabs +}; + +enum wlr_xdg_surface_role { + WLR_XDG_SURFACE_ROLE_NONE, + WLR_XDG_SURFACE_ROLE_TOPLEVEL, + WLR_XDG_SURFACE_ROLE_POPUP, +}; + +struct wlr_xdg_toplevel_state { + bool maximized; + bool fullscreen; + bool resizing; + bool activated; + + uint32_t width; + uint32_t height; + + uint32_t max_width; + uint32_t max_height; + + uint32_t min_width; + uint32_t min_height; +}; + +struct wlr_xdg_toplevel { + struct wl_resource *resource; + struct wlr_xdg_surface *base; + struct wlr_xdg_surface *parent; + bool added; + struct wlr_xdg_toplevel_state next; // client protocol requests + struct wlr_xdg_toplevel_state pending; // user configure requests + struct wlr_xdg_toplevel_state current; +}; + +struct wlr_xdg_surface_configure { + struct wl_list link; // wlr_xdg_surface::configure_list + uint32_t serial; + struct wlr_xdg_toplevel_state state; +}; + +struct wlr_xdg_surface { + struct wlr_xdg_client *client; + struct wl_resource *resource; + struct wlr_surface *surface; + struct wl_list link; // wlr_xdg_client::surfaces + enum wlr_xdg_surface_role role; + + union { + struct wlr_xdg_toplevel *toplevel_state; + struct wlr_xdg_popup *popup_state; + }; + + struct wl_list popups; // wlr_xdg_popup::link + + bool configured; + bool added; + uint32_t configure_serial; + struct wl_event_source *configure_idle; + uint32_t configure_next_serial; + struct wl_list configure_list; + + char *title; + char *app_id; + + bool has_next_geometry; + struct wlr_box *next_geometry; + struct wlr_box *geometry; + + struct wl_listener surface_destroy_listener; + + struct { + struct wl_signal destroy; + struct wl_signal ping_timeout; + struct wl_signal new_popup; + + 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; + struct wl_signal request_show_window_menu; + } events; + + void *data; +}; + +struct wlr_xdg_toplevel_move_event { + struct wlr_xdg_surface *surface; + struct wlr_seat_client *seat; + uint32_t serial; +}; + +struct wlr_xdg_toplevel_resize_event { + struct wlr_xdg_surface *surface; + struct wlr_seat_client *seat; + uint32_t serial; + uint32_t edges; +}; + +struct wlr_xdg_toplevel_set_fullscreen_event { + struct wlr_xdg_surface *surface; + bool fullscreen; + struct wlr_output *output; +}; + +struct wlr_xdg_toplevel_show_window_menu_event { + struct wlr_xdg_surface *surface; + struct wlr_seat_client *seat; + uint32_t serial; + uint32_t x, y; +}; + +struct wlr_xdg_shell *wlr_xdg_shell_create(struct wl_display *display); +void wlr_xdg_shell_destroy(struct wlr_xdg_shell *xdg_shell); + +/** + * Send a ping to the surface. If the surface does not respond in a reasonable + * amount of time, the ping_timeout event will be emitted. + */ +void wlr_xdg_surface_ping(struct wlr_xdg_surface *surface); + +/** + * Request that this toplevel surface be the given size. Returns the associated + * configure serial. + */ +uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface, + uint32_t width, uint32_t height); + +/** + * Request that this toplevel surface show itself in an activated or deactivated + * state. Returns the associated configure serial. + */ +uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface, + bool activated); + +/** + * Request that this toplevel surface consider itself maximized or not + * maximized. Returns the associated configure serial. + */ +uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface, + bool maximized); + +/** + * Request that this toplevel surface consider itself fullscreen or not + * fullscreen. Returns the associated configure serial. + */ +uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface, + bool fullscreen); + +/** + * Request that this toplevel surface consider itself to be resizing or not + * resizing. Returns the associated configure serial. + */ +uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface, + bool resizing); + +/** + * Request that this toplevel surface closes. + */ +void wlr_xdg_toplevel_send_close(struct wlr_xdg_surface *surface); + +/** + * Compute the popup position in surface-local coordinates. + */ +void wlr_xdg_surface_popup_get_position(struct wlr_xdg_surface *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 + * no popup is found at that location. + */ +struct wlr_xdg_surface *wlr_xdg_surface_popup_at( + struct wlr_xdg_surface *surface, double sx, double sy, + double *popup_sx, double *popup_sy); + +#endif diff --git a/protocol/meson.build b/protocol/meson.build index 0db7c03c..514a6dde 100644 --- a/protocol/meson.build +++ b/protocol/meson.build @@ -22,6 +22,7 @@ wayland_scanner_client = generator( protocols = [ [wl_protocol_dir, 'unstable/xdg-shell/xdg-shell-unstable-v6.xml'], + [wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'], 'gamma-control.xml', 'gtk-primary-selection.xml', 'idle.xml', @@ -31,6 +32,7 @@ protocols = [ client_protocols = [ [wl_protocol_dir, 'unstable/xdg-shell/xdg-shell-unstable-v6.xml'], + [wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'], 'gamma-control.xml', 'gtk-primary-selection.xml', 'idle.xml', diff --git a/rootston/desktop.c b/rootston/desktop.c index 80ccbc25..6b28a41c 100644 --- a/rootston/desktop.c +++ b/rootston/desktop.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include "rootston/seat.h" #include "rootston/server.h" @@ -639,6 +640,11 @@ struct roots_desktop *desktop_create(struct roots_server *server, &desktop->xdg_shell_v6_surface); desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface; + desktop->xdg_shell = wlr_xdg_shell_create(server->wl_display); + wl_signal_add(&desktop->xdg_shell->events.new_surface, + &desktop->xdg_shell_surface); + desktop->xdg_shell_surface.notify = handle_xdg_shell_surface; + desktop->wl_shell = wlr_wl_shell_create(server->wl_display); wl_signal_add(&desktop->wl_shell->events.new_surface, &desktop->wl_shell_surface); diff --git a/rootston/meson.build b/rootston/meson.build index a53812e3..9dbe37c2 100644 --- a/rootston/meson.build +++ b/rootston/meson.build @@ -10,6 +10,7 @@ sources = [ 'seat.c', 'wl_shell.c', 'xdg_shell_v6.c', + 'xdg_shell.c', ] if get_option('enable_xwayland') sources += ['xwayland.c'] diff --git a/rootston/output.c b/rootston/output.c index 1ea4412e..8ef383c3 100644 --- a/rootston/output.c +++ b/rootston/output.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include "rootston/config.h" @@ -81,6 +82,34 @@ static void xdg_surface_v6_for_each_surface(struct wlr_xdg_surface_v6 *surface, } } +static void xdg_surface_for_each_surface(struct wlr_xdg_surface *surface, + double base_x, double base_y, float rotation, + surface_iterator_func_t iterator, void *user_data) { + double width = surface->surface->current->width; + double height = surface->surface->current->height; + + struct wlr_xdg_popup *popup_state; + wl_list_for_each(popup_state, &surface->popups, link) { + struct wlr_xdg_surface *popup = popup_state->base; + if (!popup->configured) { + continue; + } + + double popup_width = popup->surface->current->width; + double popup_height = popup->surface->current->height; + + double popup_sx, popup_sy; + wlr_xdg_surface_popup_get_position(popup, &popup_sx, &popup_sy); + rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height, + width, height, rotation); + + surface_for_each_surface(popup->surface, base_x + popup_sx, + base_y + popup_sy, rotation, iterator, user_data); + xdg_surface_for_each_surface(popup, base_x + popup_sx, + base_y + popup_sy, rotation, iterator, user_data); + } +} + static void wl_shell_surface_for_each_surface( struct wlr_wl_shell_surface *surface, double lx, double ly, float rotation, bool is_child, surface_iterator_func_t iterator, @@ -117,6 +146,12 @@ static void view_for_each_surface(struct roots_view *view, xdg_surface_v6_for_each_surface(view->xdg_surface_v6, view->x, view->y, view->rotation, iterator, user_data); break; + case ROOTS_XDG_SHELL_VIEW: + surface_for_each_surface(view->wlr_surface, view->x, view->y, + view->rotation, iterator, user_data); + xdg_surface_for_each_surface(view->xdg_surface, view->x, view->y, + view->rotation, iterator, user_data); + break; case ROOTS_WL_SHELL_VIEW: wl_shell_surface_for_each_surface(view->wl_shell_surface, view->x, view->y, view->rotation, false, iterator, user_data); @@ -337,6 +372,8 @@ static bool has_standalone_surface(struct roots_view *view) { switch (view->type) { case ROOTS_XDG_SHELL_V6_VIEW: return wl_list_empty(&view->xdg_surface_v6->popups); + case ROOTS_XDG_SHELL_VIEW: + return wl_list_empty(&view->xdg_surface->popups); case ROOTS_WL_SHELL_VIEW: return wl_list_empty(&view->wl_shell_surface->popups); #ifdef WLR_HAS_XWAYLAND diff --git a/rootston/xdg_shell.c b/rootston/xdg_shell.c new file mode 100644 index 00000000..8340de46 --- /dev/null +++ b/rootston/xdg_shell.c @@ -0,0 +1,363 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include "rootston/desktop.h" +#include "rootston/input.h" +#include "rootston/server.h" + +static void popup_destroy(struct roots_view_child *child) { + assert(child->destroy == popup_destroy); + struct roots_xdg_popup *popup = (struct roots_xdg_popup *)child; + if (popup == NULL) { + return; + } + wl_list_remove(&popup->destroy.link); + wl_list_remove(&popup->new_popup.link); + view_child_finish(&popup->view_child); + free(popup); +} + +static void popup_handle_destroy(struct wl_listener *listener, void *data) { + struct roots_xdg_popup *popup = + wl_container_of(listener, popup, destroy); + popup_destroy((struct roots_view_child *)popup); +} + +static struct roots_xdg_popup *popup_create(struct roots_view *view, + struct wlr_xdg_popup *wlr_popup); + +static void popup_handle_new_popup(struct wl_listener *listener, void *data) { + struct roots_xdg_popup *popup = + wl_container_of(listener, popup, new_popup); + struct wlr_xdg_popup *wlr_popup = data; + popup_create(popup->view_child.view, wlr_popup); +} + +static struct roots_xdg_popup *popup_create(struct roots_view *view, + struct wlr_xdg_popup *wlr_popup) { + struct roots_xdg_popup *popup = + calloc(1, sizeof(struct roots_xdg_popup)); + if (popup == NULL) { + return NULL; + } + popup->wlr_popup = wlr_popup; + popup->view_child.destroy = popup_destroy; + view_child_init(&popup->view_child, view, wlr_popup->base->surface); + popup->destroy.notify = popup_handle_destroy; + wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy); + popup->new_popup.notify = popup_handle_new_popup; + wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup); + return popup; +} + + +static void get_size(const struct roots_view *view, struct wlr_box *box) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct wlr_xdg_surface *surface = view->xdg_surface; + + 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) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct wlr_xdg_surface *surface = view->xdg_surface; + if (surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + wlr_xdg_toplevel_set_activated(surface, active); + } +} + +static void apply_size_constraints(struct wlr_xdg_surface *surface, + uint32_t width, uint32_t height, uint32_t *dest_width, + uint32_t *dest_height) { + *dest_width = width; + *dest_height = height; + + struct wlr_xdg_toplevel_state *state = &surface->toplevel_state->current; + if (width < state->min_width) { + *dest_width = state->min_width; + } else if (state->max_width > 0 && + width > state->max_width) { + *dest_width = state->max_width; + } + if (height < state->min_height) { + *dest_height = state->min_height; + } else if (state->max_height > 0 && + height > state->max_height) { + *dest_height = state->max_height; + } +} + +static void resize(struct roots_view *view, uint32_t width, uint32_t height) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct wlr_xdg_surface *surface = view->xdg_surface; + if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + return; + } + + uint32_t constrained_width, constrained_height; + apply_size_constraints(surface, width, height, &constrained_width, + &constrained_height); + + wlr_xdg_toplevel_set_size(surface, constrained_width, + constrained_height); +} + +static void move_resize(struct roots_view *view, double x, double y, + uint32_t width, uint32_t height) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct roots_xdg_surface *roots_surface = view->roots_xdg_surface; + struct wlr_xdg_surface *surface = view->xdg_surface; + if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + return; + } + + bool update_x = x != view->x; + bool update_y = y != view->y; + + uint32_t constrained_width, constrained_height; + apply_size_constraints(surface, width, height, &constrained_width, + &constrained_height); + + if (update_x) { + x = x + width - constrained_width; + } + if (update_y) { + y = y + height - constrained_height; + } + + view->pending_move_resize.update_x = update_x; + view->pending_move_resize.update_y = update_y; + view->pending_move_resize.x = x; + view->pending_move_resize.y = y; + view->pending_move_resize.width = constrained_width; + view->pending_move_resize.height = constrained_height; + + uint32_t serial = wlr_xdg_toplevel_set_size(surface, constrained_width, + constrained_height); + if (serial > 0) { + roots_surface->pending_move_resize_configure_serial = serial; + } else if (roots_surface->pending_move_resize_configure_serial == 0) { + view_update_position(view, x, y); + } +} + +static void maximize(struct roots_view *view, bool maximized) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct wlr_xdg_surface *surface = view->xdg_surface; + if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + return; + } + + wlr_xdg_toplevel_set_maximized(surface, maximized); +} + +static void set_fullscreen(struct roots_view *view, bool fullscreen) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct wlr_xdg_surface *surface = view->xdg_surface; + if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + return; + } + + wlr_xdg_toplevel_set_fullscreen(surface, fullscreen); +} + +static void close(struct roots_view *view) { + assert(view->type == ROOTS_XDG_SHELL_VIEW); + struct wlr_xdg_surface *surface = view->xdg_surface; + if (surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + wlr_xdg_toplevel_send_close(surface); + } +} + +static void handle_request_move(struct wl_listener *listener, void *data) { + struct roots_xdg_surface *roots_xdg_surface = + wl_container_of(listener, roots_xdg_surface, request_move); + struct roots_view *view = roots_xdg_surface->view; + struct roots_input *input = view->desktop->server->input; + struct wlr_xdg_toplevel_move_event *e = data; + 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; + } + roots_seat_begin_move(seat, view); +} + +static void handle_request_resize(struct wl_listener *listener, void *data) { + struct roots_xdg_surface *roots_xdg_surface = + wl_container_of(listener, roots_xdg_surface, request_resize); + struct roots_view *view = roots_xdg_surface->view; + struct roots_input *input = view->desktop->server->input; + struct wlr_xdg_toplevel_resize_event *e = data; + // 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; + } + roots_seat_begin_resize(seat, view, e->edges); +} + +static void handle_request_maximize(struct wl_listener *listener, void *data) { + struct roots_xdg_surface *roots_xdg_surface = + wl_container_of(listener, roots_xdg_surface, request_maximize); + struct roots_view *view = roots_xdg_surface->view; + struct wlr_xdg_surface *surface = view->xdg_surface; + + if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + return; + } + + view_maximize(view, surface->toplevel_state->next.maximized); +} + +static void handle_request_fullscreen(struct wl_listener *listener, + void *data) { + struct roots_xdg_surface *roots_xdg_surface = + wl_container_of(listener, roots_xdg_surface, request_fullscreen); + struct roots_view *view = roots_xdg_surface->view; + struct wlr_xdg_surface *surface = view->xdg_surface; + struct wlr_xdg_toplevel_set_fullscreen_event *e = data; + + if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + return; + } + + view_set_fullscreen(view, e->fullscreen, e->output); +} + +static void handle_surface_commit(struct wl_listener *listener, void *data) { + struct roots_xdg_surface *roots_surface = + wl_container_of(listener, roots_surface, surface_commit); + struct roots_view *view = roots_surface->view; + struct wlr_xdg_surface *surface = view->xdg_surface; + + view_apply_damage(view); + + struct wlr_box size; + get_size(view, &size); + view_update_size(view, size.width, size.height); + + uint32_t pending_serial = + roots_surface->pending_move_resize_configure_serial; + if (pending_serial > 0 && pending_serial >= surface->configure_serial) { + double x = view->x; + double y = view->y; + if (view->pending_move_resize.update_x) { + x = view->pending_move_resize.x + view->pending_move_resize.width - + size.width; + } + if (view->pending_move_resize.update_y) { + y = view->pending_move_resize.y + view->pending_move_resize.height - + size.height; + } + view_update_position(view, x, y); + + if (pending_serial == surface->configure_serial) { + roots_surface->pending_move_resize_configure_serial = 0; + } + } +} + +static void handle_new_popup(struct wl_listener *listener, void *data) { + struct roots_xdg_surface *roots_xdg_surface = + wl_container_of(listener, roots_xdg_surface, new_popup); + struct wlr_xdg_popup *wlr_popup = data; + popup_create(roots_xdg_surface->view, wlr_popup); +} + +static void handle_destroy(struct wl_listener *listener, void *data) { + struct roots_xdg_surface *roots_xdg_surface = + wl_container_of(listener, roots_xdg_surface, destroy); + wl_list_remove(&roots_xdg_surface->surface_commit.link); + wl_list_remove(&roots_xdg_surface->destroy.link); + wl_list_remove(&roots_xdg_surface->new_popup.link); + wl_list_remove(&roots_xdg_surface->request_move.link); + wl_list_remove(&roots_xdg_surface->request_resize.link); + wl_list_remove(&roots_xdg_surface->request_maximize.link); + wl_list_remove(&roots_xdg_surface->request_fullscreen.link); + wl_list_remove(&roots_xdg_surface->view->link); + view_finish(roots_xdg_surface->view); + free(roots_xdg_surface->view); + free(roots_xdg_surface); +} + +void handle_xdg_shell_surface(struct wl_listener *listener, void *data) { + struct wlr_xdg_surface *surface = data; + assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE); + + if (surface->role == WLR_XDG_SURFACE_ROLE_POPUP) { + wlr_log(L_DEBUG, "new xdg popup"); + return; + } + + struct roots_desktop *desktop = + wl_container_of(listener, desktop, xdg_shell_surface); + + wlr_log(L_DEBUG, "new xdg toplevel: title=%s, app_id=%s", + surface->title, surface->app_id); + wlr_xdg_surface_ping(surface); + + struct roots_xdg_surface *roots_surface = + calloc(1, sizeof(struct roots_xdg_surface)); + if (!roots_surface) { + return; + } + roots_surface->surface_commit.notify = handle_surface_commit; + wl_signal_add(&surface->surface->events.commit, + &roots_surface->surface_commit); + roots_surface->destroy.notify = handle_destroy; + wl_signal_add(&surface->events.destroy, &roots_surface->destroy); + 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); + roots_surface->request_maximize.notify = handle_request_maximize; + wl_signal_add(&surface->events.request_maximize, + &roots_surface->request_maximize); + roots_surface->request_fullscreen.notify = handle_request_fullscreen; + wl_signal_add(&surface->events.request_fullscreen, + &roots_surface->request_fullscreen); + roots_surface->new_popup.notify = handle_new_popup; + wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup); + + struct roots_view *view = calloc(1, sizeof(struct roots_view)); + if (!view) { + free(roots_surface); + return; + } + view->type = ROOTS_XDG_SHELL_VIEW; + + view->xdg_surface = surface; + view->roots_xdg_surface = roots_surface; + view->wlr_surface = surface->surface; + view->activate = activate; + view->resize = resize; + view->move_resize = move_resize; + view->maximize = maximize; + view->set_fullscreen = set_fullscreen; + view->close = close; + roots_surface->view = view; + + struct wlr_box box; + get_size(view, &box); + view->width = box.width; + view->height = box.height; + + view_init(view, desktop); + wl_list_insert(&desktop->views, &view->link); + + view_setup(view); +} diff --git a/types/meson.build b/types/meson.build index 2731f9bc..da47aeff 100644 --- a/types/meson.build +++ b/types/meson.build @@ -26,6 +26,7 @@ lib_wlr_types = static_library( 'wlr_wl_shell.c', 'wlr_xcursor_manager.c', 'wlr_xdg_shell_v6.c', + 'wlr_xdg_shell.c', ), include_directories: wlr_inc, dependencies: [wayland_server, pixman, wlr_protos], diff --git a/types/wlr_xdg_shell.c b/types/wlr_xdg_shell.c new file mode 100644 index 00000000..6b2d42ee --- /dev/null +++ b/types/wlr_xdg_shell.c @@ -0,0 +1,1457 @@ +#ifndef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 200809L +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "util/signal.h" +#include "xdg-shell-protocol.h" + +static const char *wlr_desktop_xdg_toplevel_role = "xdg_toplevel"; +static const char *wlr_desktop_xdg_popup_role = "xdg_popup"; + +struct wlr_xdg_positioner { + struct wl_resource *resource; + + struct wlr_box anchor_rect; + enum xdg_positioner_anchor anchor; + enum xdg_positioner_gravity gravity; + enum xdg_positioner_constraint_adjustment constraint_adjustment; + + struct { + int32_t width, height; + } size; + + struct { + int32_t x, y; + } offset; +}; + + +static void resource_destroy(struct wl_client *client, + struct wl_resource *resource) { + wl_resource_destroy(resource); +} + +static struct wlr_xdg_surface *xdg_popup_grab_get_topmost( + struct wlr_xdg_popup_grab *grab) { + struct wlr_xdg_popup *popup; + wl_list_for_each(popup, &grab->popups, grab_link) { + return popup->base; + } + + return NULL; +} + +static void xdg_pointer_grab_end(struct wlr_seat_pointer_grab *grab) { + struct wlr_xdg_popup_grab *popup_grab = grab->data; + + struct wlr_xdg_popup *popup, *tmp; + wl_list_for_each_safe(popup, tmp, &popup_grab->popups, grab_link) { + xdg_popup_send_popup_done(popup->resource); + } + + wlr_seat_pointer_end_grab(grab->seat); +} + +static void xdg_pointer_grab_enter(struct wlr_seat_pointer_grab *grab, + struct wlr_surface *surface, double sx, double sy) { + struct wlr_xdg_popup_grab *popup_grab = grab->data; + if (wl_resource_get_client(surface->resource) == popup_grab->client) { + wlr_seat_pointer_enter(grab->seat, surface, sx, sy); + } else { + wlr_seat_pointer_clear_focus(grab->seat); + } +} + +static void xdg_pointer_grab_motion(struct wlr_seat_pointer_grab *grab, + uint32_t time, double sx, double sy) { + wlr_seat_pointer_send_motion(grab->seat, time, sx, sy); +} + +static uint32_t xdg_pointer_grab_button(struct wlr_seat_pointer_grab *grab, + uint32_t time, uint32_t button, uint32_t state) { + uint32_t serial = + wlr_seat_pointer_send_button(grab->seat, time, button, state); + if (serial) { + return serial; + } else { + xdg_pointer_grab_end(grab); + return 0; + } +} + +static void xdg_pointer_grab_axis(struct wlr_seat_pointer_grab *grab, + uint32_t time, enum wlr_axis_orientation orientation, double value) { + wlr_seat_pointer_send_axis(grab->seat, time, orientation, value); +} + +static void xdg_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) { + xdg_pointer_grab_end(grab); +} + +static const struct wlr_pointer_grab_interface xdg_pointer_grab_impl = { + .enter = xdg_pointer_grab_enter, + .motion = xdg_pointer_grab_motion, + .button = xdg_pointer_grab_button, + .cancel = xdg_pointer_grab_cancel, + .axis = xdg_pointer_grab_axis, +}; + +static void xdg_keyboard_grab_enter(struct wlr_seat_keyboard_grab *grab, + struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes, + struct wlr_keyboard_modifiers *modifiers) { + // keyboard focus should remain on the popup +} + +static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab, uint32_t time, + uint32_t key, uint32_t state) { + wlr_seat_keyboard_send_key(grab->seat, time, key, state); +} + +static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab, + struct wlr_keyboard_modifiers *modifiers) { + wlr_seat_keyboard_send_modifiers(grab->seat, modifiers); +} + +static void xdg_keyboard_grab_cancel(struct wlr_seat_keyboard_grab *grab) { + wlr_seat_keyboard_end_grab(grab->seat); +} + +static const struct wlr_keyboard_grab_interface xdg_keyboard_grab_impl = { + .enter = xdg_keyboard_grab_enter, + .key = xdg_keyboard_grab_key, + .modifiers = xdg_keyboard_grab_modifiers, + .cancel = xdg_keyboard_grab_cancel, +}; + +static struct wlr_xdg_popup_grab *xdg_shell_popup_grab_from_seat( + struct wlr_xdg_shell *shell, struct wlr_seat *seat) { + struct wlr_xdg_popup_grab *xdg_grab; + wl_list_for_each(xdg_grab, &shell->popup_grabs, link) { + if (xdg_grab->seat == seat) { + return xdg_grab; + } + } + + xdg_grab = calloc(1, sizeof(struct wlr_xdg_popup_grab)); + if (!xdg_grab) { + return NULL; + } + + xdg_grab->pointer_grab.data = xdg_grab; + xdg_grab->pointer_grab.interface = &xdg_pointer_grab_impl; + xdg_grab->keyboard_grab.data = xdg_grab; + xdg_grab->keyboard_grab.interface = &xdg_keyboard_grab_impl; + + wl_list_init(&xdg_grab->popups); + + wl_list_insert(&shell->popup_grabs, &xdg_grab->link); + xdg_grab->seat = seat; + + return xdg_grab; +} + + +static void xdg_surface_destroy(struct wlr_xdg_surface *surface) { + // TODO: probably need to ungrab before this event + wlr_signal_emit_safe(&surface->events.destroy, surface); + + if (surface->configure_idle) { + wl_event_source_remove(surface->configure_idle); + } + + struct wlr_xdg_surface_configure *configure, *tmp; + wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) { + free(configure); + } + + if (surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL) { + wl_resource_set_user_data(surface->toplevel_state->resource, NULL); + free(surface->toplevel_state); + } + + if (surface->role == WLR_XDG_SURFACE_ROLE_POPUP) { + wl_resource_set_user_data(surface->popup_state->resource, NULL); + + if (surface->popup_state->seat) { + struct wlr_xdg_popup_grab *grab = + xdg_shell_popup_grab_from_seat(surface->client->shell, + surface->popup_state->seat); + + struct wlr_xdg_surface *topmost = + xdg_popup_grab_get_topmost(grab); + + if (topmost != surface) { + wl_resource_post_error(surface->client->resource, + XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, + "xdg_popup was destroyed while it was not the topmost " + "popup."); + } + + wl_list_remove(&surface->popup_state->grab_link); + + if (wl_list_empty(&grab->popups)) { + if (grab->seat->pointer_state.grab == &grab->pointer_grab) { + wlr_seat_pointer_end_grab(grab->seat); + } + if (grab->seat->keyboard_state.grab == &grab->keyboard_grab) { + wlr_seat_keyboard_end_grab(grab->seat); + } + } + } + + wl_list_remove(&surface->popup_state->link); + free(surface->popup_state); + } + + wl_resource_set_user_data(surface->resource, NULL); + wl_list_remove(&surface->link); + wl_list_remove(&surface->surface_destroy_listener.link); + wlr_surface_set_role_committed(surface->surface, NULL, NULL); + free(surface->geometry); + free(surface->next_geometry); + free(surface->title); + free(surface->app_id); + free(surface); +} + + +static void xdg_positioner_destroy(struct wl_resource *resource) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + free(positioner); + +} + +static void xdg_positioner_protocol_set_size(struct wl_client *client, + struct wl_resource *resource, int32_t width, int32_t height) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + + if (width < 1 || height < 1) { + wl_resource_post_error(resource, + XDG_POSITIONER_ERROR_INVALID_INPUT, + "width and height must be positives and non-zero"); + return; + } + + positioner->size.width = width; + positioner->size.height = height; +} + +static void xdg_positioner_protocol_set_anchor_rect(struct wl_client *client, + struct wl_resource *resource, int32_t x, int32_t y, int32_t width, + int32_t height) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + + if (width < 1 || height < 1) { + wl_resource_post_error(resource, + XDG_POSITIONER_ERROR_INVALID_INPUT, + "width and height must be positives and non-zero"); + return; + } + + positioner->anchor_rect.x = x; + positioner->anchor_rect.y = y; + positioner->anchor_rect.width = width; + positioner->anchor_rect.height = height; +} + +static void xdg_positioner_protocol_set_anchor(struct wl_client *client, + struct wl_resource *resource, uint32_t anchor) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + + /* post error if anchor > XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT ? */ + + positioner->anchor = anchor; +} + +static void xdg_positioner_protocol_set_gravity(struct wl_client *client, + struct wl_resource *resource, uint32_t gravity) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + + /* post error if gravity > XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT ? */ + + positioner->gravity = gravity; +} + +static void xdg_positioner_protocol_set_constraint_adjustment( + struct wl_client *client, struct wl_resource *resource, + uint32_t constraint_adjustment) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + + positioner->constraint_adjustment = constraint_adjustment; +} + +static void xdg_positioner_protocol_set_offset(struct wl_client *client, + struct wl_resource *resource, int32_t x, int32_t y) { + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(resource); + + positioner->offset.x = x; + positioner->offset.y = y; +} + +static const struct xdg_positioner_interface + xdg_positioner_implementation = { + .destroy = resource_destroy, + .set_size = xdg_positioner_protocol_set_size, + .set_anchor_rect = xdg_positioner_protocol_set_anchor_rect, + .set_anchor = xdg_positioner_protocol_set_anchor, + .set_gravity = xdg_positioner_protocol_set_gravity, + .set_constraint_adjustment = + xdg_positioner_protocol_set_constraint_adjustment, + .set_offset = xdg_positioner_protocol_set_offset, +}; + +static void xdg_shell_create_positioner(struct wl_client *wl_client, + struct wl_resource *resource, uint32_t id) { + struct wlr_xdg_positioner *positioner = + calloc(1, sizeof(struct wlr_xdg_positioner)); + if (positioner == NULL) { + wl_client_post_no_memory(wl_client); + return; + } + + positioner->resource = wl_resource_create(wl_client, + &xdg_positioner_interface, + wl_resource_get_version(resource), + id); + if (positioner->resource == NULL) { + free(positioner); + wl_client_post_no_memory(wl_client); + return; + } + + wl_resource_set_implementation(positioner->resource, + &xdg_positioner_implementation, + positioner, xdg_positioner_destroy); +} + +static void xdg_popup_protocol_grab(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *seat_resource, + uint32_t serial) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + struct wlr_seat_client *seat_client = wl_resource_get_user_data(seat_resource); + + if (surface->popup_state->committed) { + wl_resource_post_error(surface->popup_state->resource, + XDG_POPUP_ERROR_INVALID_GRAB, + "xdg_popup is already mapped"); + return; + } + + struct wlr_xdg_popup_grab *popup_grab = + xdg_shell_popup_grab_from_seat(surface->client->shell, + seat_client->seat); + + struct wlr_xdg_surface *topmost = xdg_popup_grab_get_topmost(popup_grab); + bool parent_is_toplevel = + surface->popup_state->parent->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL; + + if ((topmost == NULL && !parent_is_toplevel) || + (topmost != NULL && topmost != surface->popup_state->parent)) { + wl_resource_post_error(surface->client->resource, + XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, + "xdg_popup was not created on the topmost popup"); + return; + } + + popup_grab->client = surface->client->client; + surface->popup_state->seat = seat_client->seat; + + wl_list_insert(&popup_grab->popups, &surface->popup_state->grab_link); + + wlr_seat_pointer_start_grab(seat_client->seat, + &popup_grab->pointer_grab); + wlr_seat_keyboard_start_grab(seat_client->seat, + &popup_grab->keyboard_grab); +} + +static const struct xdg_popup_interface xdg_popup_implementation = { + .destroy = resource_destroy, + .grab = xdg_popup_protocol_grab, +}; + + +static struct wlr_box xdg_positioner_get_geometry( + struct wlr_xdg_positioner *positioner, + struct wlr_xdg_surface *surface, struct wlr_xdg_surface *parent) { + struct wlr_box geometry = { + .x = positioner->offset.x, + .y = positioner->offset.y, + .width = positioner->size.width, + .height = positioner->size.height, + }; + + switch (positioner->anchor) { + case XDG_POSITIONER_ANCHOR_TOP: + case XDG_POSITIONER_ANCHOR_TOP_LEFT: + case XDG_POSITIONER_ANCHOR_TOP_RIGHT: + geometry.y += positioner->anchor_rect.y; + break; + case XDG_POSITIONER_ANCHOR_BOTTOM: + case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: + case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: + geometry.y += + positioner->anchor_rect.y + positioner->anchor_rect.height; + break; + default: + geometry.y += + positioner->anchor_rect.y + positioner->anchor_rect.height / 2; + } + + switch (positioner->anchor) { + case XDG_POSITIONER_ANCHOR_LEFT: + case XDG_POSITIONER_ANCHOR_TOP_LEFT: + case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: + geometry.x += positioner->anchor_rect.x; + break; + case XDG_POSITIONER_ANCHOR_RIGHT: + case XDG_POSITIONER_ANCHOR_TOP_RIGHT: + case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: + geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width; + break; + default: + geometry.x += + positioner->anchor_rect.x + positioner->anchor_rect.width / 2; + } + + switch (positioner->gravity) { + case XDG_POSITIONER_GRAVITY_TOP: + case XDG_POSITIONER_GRAVITY_TOP_LEFT: + case XDG_POSITIONER_GRAVITY_TOP_RIGHT: + geometry.y -= geometry.height; + break; + case XDG_POSITIONER_GRAVITY_BOTTOM: + case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT: + case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT: + geometry.y = geometry.y; + break; + default: + geometry.y -= geometry.height / 2; + } + + switch (positioner->gravity) { + case XDG_POSITIONER_GRAVITY_LEFT: + case XDG_POSITIONER_GRAVITY_TOP_LEFT: + case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT: + geometry.x -= geometry.width; + break; + case XDG_POSITIONER_GRAVITY_RIGHT: + case XDG_POSITIONER_GRAVITY_TOP_RIGHT: + case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT: + geometry.x = geometry.x; + break; + default: + geometry.x -= geometry.width / 2; + } + + if (positioner->constraint_adjustment == + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE) { + return geometry; + } + + // TODO: add compositor policy configuration and the code here + + return geometry; +} + +static void xdg_popup_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + if (surface != NULL) { + xdg_surface_destroy(surface); + } +} + +static void xdg_surface_get_popup(struct wl_client *client, + struct wl_resource *resource, uint32_t id, + struct wl_resource *parent_resource, + struct wl_resource *positioner_resource) { + struct wlr_xdg_surface *surface = + wl_resource_get_user_data(resource); + struct wlr_xdg_surface *parent = + wl_resource_get_user_data(parent_resource); + struct wlr_xdg_positioner *positioner = + wl_resource_get_user_data(positioner_resource); + + if (positioner->size.width == 0 || positioner->anchor_rect.width == 0) { + wl_resource_post_error(resource, + XDG_WM_BASE_ERROR_INVALID_POSITIONER, + "positioner object is not complete"); + return; + } + + if (wlr_surface_set_role(surface->surface, wlr_desktop_xdg_popup_role, + resource, XDG_WM_BASE_ERROR_ROLE)) { + return; + } + + surface->popup_state = calloc(1, sizeof(struct wlr_xdg_popup)); + if (!surface->popup_state) { + wl_resource_post_no_memory(resource); + return; + } + + surface->popup_state->resource = + wl_resource_create(client, &xdg_popup_interface, + wl_resource_get_version(resource), id); + if (surface->popup_state->resource == NULL) { + free(surface->popup_state); + wl_resource_post_no_memory(resource); + return; + } + + surface->role = WLR_XDG_SURFACE_ROLE_POPUP; + surface->popup_state->base = surface; + surface->popup_state->parent = parent; + surface->popup_state->geometry = + xdg_positioner_get_geometry(positioner, surface, parent); + wl_list_insert(&parent->popups, &surface->popup_state->link); + + wl_resource_set_implementation(surface->popup_state->resource, + &xdg_popup_implementation, surface, + xdg_popup_resource_destroy); + + wlr_signal_emit_safe(&parent->events.new_popup, surface->popup_state); +} + + +static void xdg_toplevel_protocol_set_parent(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *parent_resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + struct wlr_xdg_surface *parent = NULL; + + if (parent_resource != NULL) { + parent = wl_resource_get_user_data(parent_resource); + } + + surface->toplevel_state->parent = parent; +} + +static void xdg_toplevel_protocol_set_title(struct wl_client *client, + struct wl_resource *resource, const char *title) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + char *tmp; + + tmp = strdup(title); + if (tmp == NULL) { + return; + } + + free(surface->title); + surface->title = tmp; +} + +static void xdg_toplevel_protocol_set_app_id(struct wl_client *client, + struct wl_resource *resource, const char *app_id) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + char *tmp; + + tmp = strdup(app_id); + if (tmp == NULL) { + return; + } + + free(surface->app_id); + surface->app_id = tmp; +} + +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 *surface = wl_resource_get_user_data(resource); + struct wlr_seat_client *seat = + wl_resource_get_user_data(seat_resource); + + if (!surface->configured) { + wl_resource_post_error(surface->toplevel_state->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "surface has not been configured yet"); + return; + } + + if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { + wlr_log(L_DEBUG, "invalid serial for grab"); + return; + } + + struct wlr_xdg_toplevel_show_window_menu_event event = { + .surface = surface, + .seat = seat, + .serial = serial, + .x = x, + .y = y, + }; + + wlr_signal_emit_safe(&surface->events.request_show_window_menu, &event); +} + +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 *surface = wl_resource_get_user_data(resource); + struct wlr_seat_client *seat = + wl_resource_get_user_data(seat_resource); + + if (!surface->configured) { + wl_resource_post_error(surface->toplevel_state->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "surface has not been configured yet"); + return; + } + + if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { + wlr_log(L_DEBUG, "invalid serial for grab"); + return; + } + + struct wlr_xdg_toplevel_move_event event = { + .surface = surface, + .seat = seat, + .serial = serial, + }; + + wlr_signal_emit_safe(&surface->events.request_move, &event); +} + +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 *surface = wl_resource_get_user_data(resource); + struct wlr_seat_client *seat = + wl_resource_get_user_data(seat_resource); + + if (!surface->configured) { + wl_resource_post_error(surface->toplevel_state->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "surface has not been configured yet"); + return; + } + + if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { + wlr_log(L_DEBUG, "invalid serial for grab"); + return; + } + + struct wlr_xdg_toplevel_resize_event event = { + .surface = surface, + .seat = seat, + .serial = serial, + .edges = edges, + }; + + wlr_signal_emit_safe(&surface->events.request_resize, &event); +} + +static void xdg_toplevel_protocol_set_max_size(struct wl_client *client, + struct wl_resource *resource, int32_t width, int32_t height) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + surface->toplevel_state->next.max_width = width; + surface->toplevel_state->next.max_height = height; +} + +static void xdg_toplevel_protocol_set_min_size(struct wl_client *client, + struct wl_resource *resource, int32_t width, int32_t height) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + surface->toplevel_state->next.min_width = width; + surface->toplevel_state->next.min_height = height; +} + +static void xdg_toplevel_protocol_set_maximized(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + surface->toplevel_state->next.maximized = true; + wlr_signal_emit_safe(&surface->events.request_maximize, surface); +} + +static void xdg_toplevel_protocol_unset_maximized(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + surface->toplevel_state->next.maximized = false; + wlr_signal_emit_safe(&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 *surface = wl_resource_get_user_data(resource); + + struct wlr_output *output = NULL; + if (output_resource != NULL) { + output = wl_resource_get_user_data(output_resource); + } + + surface->toplevel_state->next.fullscreen = true; + + struct wlr_xdg_toplevel_set_fullscreen_event event = { + .surface = surface, + .fullscreen = true, + .output = output, + }; + + wlr_signal_emit_safe(&surface->events.request_fullscreen, &event); +} + +static void xdg_toplevel_protocol_unset_fullscreen(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + + surface->toplevel_state->next.fullscreen = false; + + struct wlr_xdg_toplevel_set_fullscreen_event event = { + .surface = surface, + .fullscreen = false, + .output = NULL, + }; + + wlr_signal_emit_safe(&surface->events.request_fullscreen, &event); +} + +static void xdg_toplevel_protocol_set_minimized(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + wlr_signal_emit_safe(&surface->events.request_minimize, surface); +} + +static const struct xdg_toplevel_interface xdg_toplevel_implementation = +{ + .destroy = resource_destroy, + .set_parent = xdg_toplevel_protocol_set_parent, + .set_title = xdg_toplevel_protocol_set_title, + .set_app_id = xdg_toplevel_protocol_set_app_id, + .show_window_menu = xdg_toplevel_protocol_show_window_menu, + .move = xdg_toplevel_protocol_move, + .resize = xdg_toplevel_protocol_resize, + .set_max_size = xdg_toplevel_protocol_set_max_size, + .set_min_size = xdg_toplevel_protocol_set_min_size, + .set_maximized = xdg_toplevel_protocol_set_maximized, + .unset_maximized = xdg_toplevel_protocol_unset_maximized, + .set_fullscreen = xdg_toplevel_protocol_set_fullscreen, + .unset_fullscreen = xdg_toplevel_protocol_unset_fullscreen, + .set_minimized = xdg_toplevel_protocol_set_minimized +}; + +static void xdg_surface_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + if (surface != NULL) { + xdg_surface_destroy(surface); + } +} + +static void xdg_toplevel_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + if (surface != NULL) { + xdg_surface_destroy(surface); + } +} + +static void xdg_surface_get_toplevel(struct wl_client *client, + struct wl_resource *resource, uint32_t id) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + + if (wlr_surface_set_role(surface->surface, wlr_desktop_xdg_toplevel_role, + resource, XDG_WM_BASE_ERROR_ROLE)) { + return; + } + + surface->toplevel_state = calloc(1, sizeof(struct wlr_xdg_toplevel)); + if (surface->toplevel_state == NULL) { + wl_resource_post_no_memory(resource); + return; + } + + surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL; + surface->toplevel_state->base = surface; + + struct wl_resource *toplevel_resource = wl_resource_create(client, + &xdg_toplevel_interface, wl_resource_get_version(resource), id); + if (toplevel_resource == NULL) { + free(surface->toplevel_state); + wl_resource_post_no_memory(resource); + return; + } + + surface->toplevel_state->resource = toplevel_resource; + + wl_resource_set_implementation(toplevel_resource, + &xdg_toplevel_implementation, surface, + xdg_toplevel_resource_destroy); +} + +static void wlr_xdg_toplevel_ack_configure( + struct wlr_xdg_surface *surface, + struct wlr_xdg_surface_configure *configure) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel_state->next = configure->state; + surface->toplevel_state->pending.width = 0; + surface->toplevel_state->pending.height = 0; +} + +static void xdg_surface_ack_configure(struct wl_client *client, + struct wl_resource *resource, uint32_t serial) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + + if (surface->role == WLR_XDG_SURFACE_ROLE_NONE) { + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_surface must have a role"); + return; + } + + bool found = false; + struct wlr_xdg_surface_configure *configure, *tmp; + wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) { + if (configure->serial < serial) { + wl_list_remove(&configure->link); + free(configure); + } else if (configure->serial == serial) { + wl_list_remove(&configure->link); + found = true; + break; + } else { + break; + } + } + if (!found) { + wl_resource_post_error(surface->client->resource, + XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE, + "wrong configure serial: %u", serial); + return; + } + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + wlr_xdg_toplevel_ack_configure(surface, configure); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + break; + } + + surface->configured = true; + surface->configure_serial = serial; + + free(configure); +} + +static void xdg_surface_set_window_geometry(struct wl_client *client, + struct wl_resource *resource, int32_t x, int32_t y, int32_t width, + int32_t height) { + struct wlr_xdg_surface *surface = wl_resource_get_user_data(resource); + + if (surface->role == WLR_XDG_SURFACE_ROLE_NONE) { + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_surface must have a role"); + return; + } + + surface->has_next_geometry = true; + surface->next_geometry->height = height; + surface->next_geometry->width = width; + surface->next_geometry->x = x; + surface->next_geometry->y = y; + +} + +static const struct xdg_surface_interface xdg_surface_implementation = { + .destroy = resource_destroy, + .get_toplevel = xdg_surface_get_toplevel, + .get_popup = xdg_surface_get_popup, + .ack_configure = xdg_surface_ack_configure, + .set_window_geometry = xdg_surface_set_window_geometry, +}; + +static bool wlr_xdg_surface_toplevel_state_compare( + struct wlr_xdg_toplevel *state) { + struct { + struct wlr_xdg_toplevel_state state; + uint32_t width; + uint32_t height; + + } configured; + + // is pending state different from current state? + if (!state->base->configured) { + return false; + } + + if (wl_list_empty(&state->base->configure_list)) { + // last configure is actually the current state, just use it + configured.state = state->current; + configured.width = state->base->surface->current->width; + configured.height = state->base->surface->current->width; + } else { + struct wlr_xdg_surface_configure *configure = + wl_container_of(state->base->configure_list.prev, configure, link); + configured.state = configure->state; + configured.width = configure->state.width; + configured.height = configure->state.height; + } + + if (state->pending.activated != configured.state.activated) { + return false; + } + if (state->pending.fullscreen != configured.state.fullscreen) { + return false; + } + if (state->pending.maximized != configured.state.maximized) { + return false; + } + if (state->pending.resizing != configured.state.resizing) { + return false; + } + + if (state->pending.width == configured.width && + state->pending.height == configured.height) { + return true; + } + + if (state->pending.width == 0 && state->pending.height == 0) { + return true; + } + + return false; +} + +static void wlr_xdg_toplevel_send_configure( + struct wlr_xdg_surface *surface, + struct wlr_xdg_surface_configure *configure) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + uint32_t *s; + struct wl_array states; + + configure->state = surface->toplevel_state->pending; + + wl_array_init(&states); + if (surface->toplevel_state->pending.maximized) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for maximized xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_MAXIMIZED; + } + if (surface->toplevel_state->pending.fullscreen) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for fullscreen xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_FULLSCREEN; + } + if (surface->toplevel_state->pending.resizing) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for resizing xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_RESIZING; + } + if (surface->toplevel_state->pending.activated) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for activated xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_ACTIVATED; + } + + uint32_t width = surface->toplevel_state->pending.width; + uint32_t height = surface->toplevel_state->pending.height; + + if (width == 0 || height == 0) { + width = surface->geometry->width; + height = surface->geometry->height; + } + + xdg_toplevel_send_configure(surface->toplevel_state->resource, width, + height, &states); + + wl_array_release(&states); + return; + +error_out: + wl_array_release(&states); + wl_resource_post_no_memory(surface->toplevel_state->resource); +} + +static void wlr_xdg_surface_send_configure(void *user_data) { + struct wlr_xdg_surface *surface = user_data; + + surface->configure_idle = NULL; + + struct wlr_xdg_surface_configure *configure = + calloc(1, sizeof(struct wlr_xdg_surface_configure)); + if (configure == NULL) { + wl_client_post_no_memory(surface->client->client); + return; + } + + wl_list_insert(surface->configure_list.prev, &configure->link); + configure->serial = surface->configure_next_serial; + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + wlr_xdg_toplevel_send_configure(surface, configure); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + xdg_popup_send_configure(surface->popup_state->resource, + surface->popup_state->geometry.x, + surface->popup_state->geometry.y, + surface->popup_state->geometry.width, + surface->popup_state->geometry.height); + break; + } + + xdg_surface_send_configure(surface->resource, configure->serial); +} + +static uint32_t wlr_xdg_surface_schedule_configure( + struct wlr_xdg_surface *surface) { + struct wl_display *display = wl_client_get_display(surface->client->client); + struct wl_event_loop *loop = wl_display_get_event_loop(display); + bool pending_same = false; + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + pending_same = + wlr_xdg_surface_toplevel_state_compare(surface->toplevel_state); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + break; + } + + if (surface->configure_idle != NULL) { + if (!pending_same) { + // configure request already scheduled + return surface->configure_next_serial; + } + + // configure request not necessary anymore + wl_event_source_remove(surface->configure_idle); + surface->configure_idle = NULL; + return 0; + } else { + if (pending_same) { + // configure request not necessary + return 0; + } + + surface->configure_next_serial = wl_display_next_serial(display); + surface->configure_idle = wl_event_loop_add_idle(loop, + wlr_xdg_surface_send_configure, surface); + return surface->configure_next_serial; + } +} + +static void handle_wlr_surface_destroyed(struct wl_listener *listener, + void *data) { + struct wlr_xdg_surface *xdg_surface = + wl_container_of(listener, xdg_surface, surface_destroy_listener); + xdg_surface_destroy(xdg_surface); +} + +static void wlr_xdg_surface_toplevel_committed( + struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + + if (!wlr_surface_has_buffer(surface->surface) + && !surface->toplevel_state->added) { + // on the first commit, send a configure request to tell the client it + // is added + wlr_xdg_surface_schedule_configure(surface); + surface->toplevel_state->added = true; + return; + } + + if (!wlr_surface_has_buffer(surface->surface)) { + return; + } + + surface->toplevel_state->current = surface->toplevel_state->next; +} + +static void wlr_xdg_surface_popup_committed( + struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); + + if (!surface->popup_state->committed) { + wlr_xdg_surface_schedule_configure(surface); + surface->popup_state->committed = true; + } +} + +static void handle_wlr_surface_committed(struct wlr_surface *wlr_surface, + void *role_data) { + struct wlr_xdg_surface *surface = role_data; + + if (wlr_surface_has_buffer(surface->surface) && !surface->configured) { + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER, + "xdg_surface has never been configured"); + return; + } + + if (surface->has_next_geometry) { + surface->has_next_geometry = false; + surface->geometry->x = surface->next_geometry->x; + surface->geometry->y = surface->next_geometry->y; + surface->geometry->width = surface->next_geometry->width; + surface->geometry->height = surface->next_geometry->height; + } + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_surface must have a role"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + wlr_xdg_surface_toplevel_committed(surface); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + wlr_xdg_surface_popup_committed(surface); + break; + } + + if (surface->configured && !surface->added) { + surface->added = true; + wlr_signal_emit_safe(&surface->client->shell->events.new_surface, surface); + } +} + +static void xdg_shell_get_xdg_surface(struct wl_client *wl_client, + struct wl_resource *client_resource, uint32_t id, + struct wl_resource *surface_resource) { + struct wlr_xdg_client *client = + wl_resource_get_user_data(client_resource); + + struct wlr_xdg_surface *surface; + if (!(surface = calloc(1, sizeof(struct wlr_xdg_surface)))) { + wl_client_post_no_memory(wl_client); + return; + } + + if (!(surface->geometry = calloc(1, sizeof(struct wlr_box)))) { + free(surface); + wl_client_post_no_memory(wl_client); + return; + } + + if (!(surface->next_geometry = calloc(1, sizeof(struct wlr_box)))) { + free(surface->geometry); + free(surface); + wl_client_post_no_memory(wl_client); + return; + } + + surface->client = client; + surface->role = WLR_XDG_SURFACE_ROLE_NONE; + surface->surface = wl_resource_get_user_data(surface_resource); + surface->resource = wl_resource_create(wl_client, + &xdg_surface_interface, wl_resource_get_version(client_resource), + id); + if (surface->resource == NULL) { + free(surface->next_geometry); + free(surface->geometry); + free(surface); + wl_client_post_no_memory(wl_client); + return; + } + + if (wlr_surface_has_buffer(surface->surface)) { + wl_resource_destroy(surface->resource); + free(surface->next_geometry); + free(surface->geometry); + free(surface); + wl_resource_post_error(surface_resource, + XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER, + "xdg_surface must not have a buffer at creation"); + return; + } + + 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); + wl_signal_init(&surface->events.request_show_window_menu); + wl_signal_init(&surface->events.destroy); + wl_signal_init(&surface->events.ping_timeout); + wl_signal_init(&surface->events.new_popup); + + wl_signal_add(&surface->surface->events.destroy, + &surface->surface_destroy_listener); + surface->surface_destroy_listener.notify = handle_wlr_surface_destroyed; + + wlr_surface_set_role_committed(surface->surface, + handle_wlr_surface_committed, surface); + + wlr_log(L_DEBUG, "new xdg_surface %p (res %p)", surface, surface->resource); + wl_resource_set_implementation(surface->resource, + &xdg_surface_implementation, surface, xdg_surface_resource_destroy); + wl_list_insert(&client->surfaces, &surface->link); +} + +static void xdg_shell_pong(struct wl_client *wl_client, + struct wl_resource *resource, uint32_t serial) { + struct wlr_xdg_client *client = wl_resource_get_user_data(resource); + + if (client->ping_serial != serial) { + return; + } + + wl_event_source_timer_update(client->ping_timer, 0); + client->ping_serial = 0; +} + +static struct xdg_wm_base_interface xdg_shell_impl = { + .destroy = resource_destroy, + .create_positioner = xdg_shell_create_positioner, + .get_xdg_surface = xdg_shell_get_xdg_surface, + .pong = xdg_shell_pong, +}; + +static void wlr_xdg_client_destroy(struct wl_resource *resource) { + struct wlr_xdg_client *client = wl_resource_get_user_data(resource); + + struct wlr_xdg_surface *surface, *tmp = NULL; + wl_list_for_each_safe(surface, tmp, &client->surfaces, link) { + xdg_surface_destroy(surface); + } + + if (client->ping_timer != NULL) { + wl_event_source_remove(client->ping_timer); + } + + wl_list_remove(&client->link); + free(client); +} + +static int wlr_xdg_client_ping_timeout(void *user_data) { + struct wlr_xdg_client *client = user_data; + + struct wlr_xdg_surface *surface; + wl_list_for_each(surface, &client->surfaces, link) { + wlr_signal_emit_safe(&surface->events.ping_timeout, surface); + } + + client->ping_serial = 0; + return 1; +} + +static void xdg_shell_bind(struct wl_client *wl_client, void *data, + uint32_t version, uint32_t id) { + struct wlr_xdg_shell *xdg_shell = data; + assert(wl_client && xdg_shell); + + struct wlr_xdg_client *client = + calloc(1, sizeof(struct wlr_xdg_client)); + if (client == NULL) { + wl_client_post_no_memory(wl_client); + return; + } + + wl_list_init(&client->surfaces); + + client->resource = + wl_resource_create(wl_client, &xdg_wm_base_interface, version, id); + if (client->resource == NULL) { + free(client); + wl_client_post_no_memory(wl_client); + return; + } + client->client = wl_client; + client->shell = xdg_shell; + + wl_resource_set_implementation(client->resource, &xdg_shell_impl, client, + wlr_xdg_client_destroy); + wl_list_insert(&xdg_shell->clients, &client->link); + + struct wl_display *display = wl_client_get_display(client->client); + struct wl_event_loop *loop = wl_display_get_event_loop(display); + client->ping_timer = wl_event_loop_add_timer(loop, + wlr_xdg_client_ping_timeout, client); + if (client->ping_timer == NULL) { + wl_client_post_no_memory(client->client); + } +} + +static void handle_display_destroy(struct wl_listener *listener, void *data) { + struct wlr_xdg_shell *xdg_shell = + wl_container_of(listener, xdg_shell, display_destroy); + wlr_xdg_shell_destroy(xdg_shell); +} + +struct wlr_xdg_shell *wlr_xdg_shell_create(struct wl_display *display) { + struct wlr_xdg_shell *xdg_shell = + calloc(1, sizeof(struct wlr_xdg_shell)); + if (!xdg_shell) { + return NULL; + } + + xdg_shell->ping_timeout = 10000; + + wl_list_init(&xdg_shell->clients); + wl_list_init(&xdg_shell->popup_grabs); + + struct wl_global *wl_global = wl_global_create(display, + &xdg_wm_base_interface, 1, xdg_shell, xdg_shell_bind); + if (!wl_global) { + free(xdg_shell); + return NULL; + } + xdg_shell->wl_global = wl_global; + + wl_signal_init(&xdg_shell->events.new_surface); + + xdg_shell->display_destroy.notify = handle_display_destroy; + wl_display_add_destroy_listener(display, &xdg_shell->display_destroy); + + return xdg_shell; +} + +void wlr_xdg_shell_destroy(struct wlr_xdg_shell *xdg_shell) { + if (!xdg_shell) { + return; + } + wl_list_remove(&xdg_shell->display_destroy.link); + wl_global_destroy(xdg_shell->wl_global); + free(xdg_shell); +} + +void wlr_xdg_surface_ping(struct wlr_xdg_surface *surface) { + if (surface->client->ping_serial != 0) { + // already pinged + return; + } + + surface->client->ping_serial = + wl_display_next_serial(wl_client_get_display(surface->client->client)); + wl_event_source_timer_update(surface->client->ping_timer, + surface->client->shell->ping_timeout); + xdg_wm_base_send_ping(surface->client->resource, + surface->client->ping_serial); +} + +uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface, + uint32_t width, uint32_t height) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel_state->pending.width = width; + surface->toplevel_state->pending.height = height; + + return wlr_xdg_surface_schedule_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface, + bool activated) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel_state->pending.activated = activated; + + return wlr_xdg_surface_schedule_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface, + bool maximized) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel_state->pending.maximized = maximized; + + return wlr_xdg_surface_schedule_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface, + bool fullscreen) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel_state->pending.fullscreen = fullscreen; + + return wlr_xdg_surface_schedule_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface, + bool resizing) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel_state->pending.resizing = resizing; + + return wlr_xdg_surface_schedule_configure(surface); +} + +void wlr_xdg_toplevel_send_close(struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + xdg_toplevel_send_close(surface->toplevel_state->resource); +} + +void wlr_xdg_surface_popup_get_position(struct wlr_xdg_surface *surface, + double *popup_sx, double *popup_sy) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); + struct wlr_xdg_surface *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 *wlr_xdg_surface_popup_at( + struct wlr_xdg_surface *surface, double sx, double sy, + double *popup_sx, double *popup_sy) { + // XXX: I think this is so complicated because we're mixing geometry + // coordinates with surface coordinates. Input handling should only deal + // with surface coordinates. + struct wlr_xdg_popup *popup_state; + wl_list_for_each(popup_state, &surface->popups, link) { + struct wlr_xdg_surface *popup = popup_state->base; + + double _popup_sx = + surface->geometry->x + popup_state->geometry.x; + double _popup_sy = + surface->geometry->y + popup_state->geometry.y; + int popup_width = popup_state->geometry.width; + int popup_height = popup_state->geometry.height; + + struct wlr_xdg_surface *_popup = + wlr_xdg_surface_popup_at(popup, + sx - _popup_sx + popup->geometry->x, + sy - _popup_sy + popup->geometry->y, + popup_sx, popup_sy); + if (_popup) { + *popup_sx = *popup_sx + _popup_sx - popup->geometry->x; + *popup_sy = *popup_sy + _popup_sy - popup->geometry->y; + return _popup; + } + + if ((sx > _popup_sx && sx < _popup_sx + popup_width) && + (sy > _popup_sy && sy < _popup_sy + popup_height)) { + if (pixman_region32_contains_point(&popup->surface->current->input, + sx - _popup_sx + popup->geometry->x, + sy - _popup_sy + popup->geometry->y, NULL)) { + *popup_sx = _popup_sx - popup->geometry->x; + *popup_sy = _popup_sy - popup->geometry->y; + return popup; + } + } + } + + return NULL; +}