/* * Copyright © 2010-2012 Intel Corporation * Copyright © 2011-2012 Collabora, Ltd. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of the copyright holders not be used in * advertising or publicity pertaining to distribution of the software * without specific, written prior permission. The copyright holders make * no representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include "compositor.h" #include "desktop-shell-server-protocol.h" #include "../shared/config-parser.h" struct shell_surface; struct wl_shell { struct weston_compositor *compositor; struct weston_shell shell; struct { struct weston_process process; struct wl_client *client; struct wl_resource *desktop_shell; unsigned deathcount; uint32_t deathstamp; } child; bool locked; bool prepare_event_sent; struct shell_surface *lock_surface; struct wl_listener lock_surface_listener; struct wl_list hidden_surface_list; struct wl_list backgrounds; struct wl_list panels; struct { char *path; int duration; struct wl_resource *binding; struct wl_list surfaces; struct weston_process process; } screensaver; }; enum shell_surface_type { SHELL_SURFACE_NONE, SHELL_SURFACE_PANEL, SHELL_SURFACE_BACKGROUND, SHELL_SURFACE_LOCK, SHELL_SURFACE_SCREENSAVER, SHELL_SURFACE_TOPLEVEL, SHELL_SURFACE_TRANSIENT, SHELL_SURFACE_FULLSCREEN, SHELL_SURFACE_MAXIMIZED, SHELL_SURFACE_POPUP }; struct shell_surface { struct wl_resource resource; struct weston_surface *surface; struct wl_listener surface_destroy_listener; struct shell_surface *parent; enum shell_surface_type type; int32_t saved_x, saved_y; struct { struct weston_transform transform; struct weston_matrix rotation; } rotation; struct { struct wl_pointer_grab grab; uint32_t time; int32_t x, y; struct weston_transform parent_transform; int32_t initial_up; } popup; struct weston_output *fullscreen_output; struct weston_output *output; struct wl_list link; }; struct weston_move_grab { struct wl_pointer_grab grab; struct weston_surface *surface; int32_t dx, dy; }; struct weston_zoom_grab { struct wl_keyboard_grab grab; }; struct rotate_grab { struct wl_pointer_grab grab; struct shell_surface *surface; struct weston_matrix rotation; struct { int32_t x; int32_t y; } center; }; static void shell_configuration(struct wl_shell *shell) { char *config_file; char *path = NULL; int duration = 60; struct config_key saver_keys[] = { { "path", CONFIG_KEY_STRING, &path }, { "duration", CONFIG_KEY_INTEGER, &duration }, }; struct config_section cs[] = { { "screensaver", saver_keys, ARRAY_LENGTH(saver_keys), NULL }, }; config_file = config_file_path("weston-desktop-shell.ini"); parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell); free(config_file); shell->screensaver.path = path; shell->screensaver.duration = duration; } static void noop_grab_focus(struct wl_pointer_grab *grab, uint32_t time, struct wl_surface *surface, int32_t x, int32_t y) { grab->focus = NULL; } static void move_grab_motion(struct wl_pointer_grab *grab, uint32_t time, int32_t x, int32_t y) { struct weston_move_grab *move = (struct weston_move_grab *) grab; struct wl_input_device *device = grab->input_device; struct weston_surface *es = move->surface; weston_surface_configure(es, device->x + move->dx, device->y + move->dy, es->geometry.width, es->geometry.height); } static void move_grab_button(struct wl_pointer_grab *grab, uint32_t time, int32_t button, int32_t state) { struct wl_input_device *device = grab->input_device; if (device->button_count == 0 && state == 0) { wl_input_device_end_pointer_grab(device, time); free(grab); } } static const struct wl_pointer_grab_interface move_grab_interface = { noop_grab_focus, move_grab_motion, move_grab_button, }; static int weston_surface_move(struct weston_surface *es, struct weston_input_device *wd, uint32_t time) { struct weston_move_grab *move; move = malloc(sizeof *move); if (!move) return -1; move->grab.interface = &move_grab_interface; move->dx = es->geometry.x - wd->input_device.grab_x; move->dy = es->geometry.y - wd->input_device.grab_y; move->surface = es; wl_input_device_start_pointer_grab(&wd->input_device, &move->grab, time); wl_input_device_set_pointer_focus(&wd->input_device, NULL, time, 0, 0); return 0; } static void shell_surface_move(struct wl_client *client, struct wl_resource *resource, struct wl_resource *input_resource, uint32_t time) { struct weston_input_device *wd = input_resource->data; struct shell_surface *shsurf = resource->data; if (wd->input_device.button_count == 0 || wd->input_device.grab_time != time || wd->input_device.pointer_focus != &shsurf->surface->surface) return; if (weston_surface_move(shsurf->surface, wd, time) < 0) wl_resource_post_no_memory(resource); } struct weston_resize_grab { struct wl_pointer_grab grab; uint32_t edges; int32_t width, height; struct shell_surface *shsurf; }; static void resize_grab_motion(struct wl_pointer_grab *grab, uint32_t time, int32_t x, int32_t y) { struct weston_resize_grab *resize = (struct weston_resize_grab *) grab; struct wl_input_device *device = grab->input_device; int32_t width, height; int32_t from_x, from_y; int32_t to_x, to_y; weston_surface_from_global(resize->shsurf->surface, device->grab_x, device->grab_y, &from_x, &from_y); weston_surface_from_global(resize->shsurf->surface, device->x, device->y, &to_x, &to_y); if (resize->edges & WL_SHELL_SURFACE_RESIZE_LEFT) { width = resize->width + from_x - to_x; } else if (resize->edges & WL_SHELL_SURFACE_RESIZE_RIGHT) { width = resize->width + to_x - from_x; } else { width = resize->width; } if (resize->edges & WL_SHELL_SURFACE_RESIZE_TOP) { height = resize->height + from_y - to_y; } else if (resize->edges & WL_SHELL_SURFACE_RESIZE_BOTTOM) { height = resize->height + to_y - from_y; } else { height = resize->height; } wl_resource_post_event(&resize->shsurf->resource, WL_SHELL_SURFACE_CONFIGURE, time, resize->edges, width, height); } static void resize_grab_button(struct wl_pointer_grab *grab, uint32_t time, int32_t button, int32_t state) { struct wl_input_device *device = grab->input_device; if (device->button_count == 0 && state == 0) { wl_input_device_end_pointer_grab(device, time); free(grab); } } static const struct wl_pointer_grab_interface resize_grab_interface = { noop_grab_focus, resize_grab_motion, resize_grab_button, }; static int weston_surface_resize(struct shell_surface *shsurf, struct weston_input_device *wd, uint32_t time, uint32_t edges) { struct weston_resize_grab *resize; /* FIXME: Reject if fullscreen */ if (edges == 0 || edges > 15 || (edges & 3) == 3 || (edges & 12) == 12) return 0; resize = malloc(sizeof *resize); if (!resize) return -1; resize->grab.interface = &resize_grab_interface; resize->edges = edges; resize->width = shsurf->surface->geometry.width; resize->height = shsurf->surface->geometry.height; resize->shsurf = shsurf; wl_input_device_start_pointer_grab(&wd->input_device, &resize->grab, time); wl_input_device_set_pointer_focus(&wd->input_device, NULL, time, 0, 0); return 0; } static void shell_surface_resize(struct wl_client *client, struct wl_resource *resource, struct wl_resource *input_resource, uint32_t time, uint32_t edges) { struct weston_input_device *wd = input_resource->data; struct shell_surface *shsurf = resource->data; /* FIXME: Reject if fullscreen */ if (wd->input_device.button_count == 0 || wd->input_device.grab_time != time || wd->input_device.pointer_focus != &shsurf->surface->surface) return; if (weston_surface_resize(shsurf, wd, time, edges) < 0) wl_resource_post_no_memory(resource); } static struct weston_output * get_default_output(struct weston_compositor *compositor) { return container_of(compositor->output_list.next, struct weston_output, link); } static int reset_shell_surface_type(struct shell_surface *surface) { switch (surface->type) { case SHELL_SURFACE_FULLSCREEN: weston_surface_set_position(surface->surface, surface->saved_x, surface->saved_y); surface->fullscreen_output = NULL; break; case SHELL_SURFACE_MAXIMIZED: surface->output = get_default_output(surface->surface->compositor); weston_surface_set_position(surface->surface, surface->saved_x, surface->saved_y); break; case SHELL_SURFACE_PANEL: case SHELL_SURFACE_BACKGROUND: wl_list_remove(&surface->link); wl_list_init(&surface->link); break; case SHELL_SURFACE_SCREENSAVER: case SHELL_SURFACE_LOCK: wl_resource_post_error(&surface->resource, WL_DISPLAY_ERROR_INVALID_METHOD, "cannot reassign surface type"); return -1; case SHELL_SURFACE_NONE: case SHELL_SURFACE_TOPLEVEL: case SHELL_SURFACE_TRANSIENT: case SHELL_SURFACE_POPUP: break; } surface->type = SHELL_SURFACE_NONE; return 0; } static void shell_surface_set_toplevel(struct wl_client *client, struct wl_resource *resource) { struct shell_surface *surface = resource->data; if (reset_shell_surface_type(surface)) return; surface->type = SHELL_SURFACE_TOPLEVEL; } static void shell_surface_set_transient(struct wl_client *client, struct wl_resource *resource, struct wl_resource *parent_resource, int x, int y, uint32_t flags) { struct shell_surface *shsurf = resource->data; struct weston_surface *es = shsurf->surface; struct shell_surface *pshsurf = parent_resource->data; struct weston_surface *pes = pshsurf->surface; if (reset_shell_surface_type(shsurf)) return; /* assign to parents output */ shsurf->output = pes->output; weston_surface_set_position(es, pes->geometry.x + x, pes->geometry.y + y); shsurf->type = SHELL_SURFACE_TRANSIENT; } static struct wl_shell * shell_surface_get_shell(struct shell_surface *shsurf) { struct weston_surface *es = shsurf->surface; struct weston_shell *shell = es->compositor->shell; return (struct wl_shell *)container_of(shell, struct wl_shell, shell); } static int get_output_panel_height(struct wl_shell *wlshell,struct weston_output *output) { struct shell_surface *priv; int panel_height = 0; if (!output) return 0; wl_list_for_each(priv, &wlshell->panels, link) { if (priv->output == output) { panel_height = priv->surface->geometry.height; break; } } return panel_height; } static void shell_surface_set_maximized(struct wl_client *client, struct wl_resource *resource, struct wl_resource *output_resource ) { struct shell_surface *shsurf = resource->data; struct weston_surface *es = shsurf->surface; struct wl_shell *wlshell = NULL; uint32_t edges = 0, panel_height = 0; /* get the default output, if the client set it as NULL check whether the ouput is available */ if (output_resource) shsurf->output = output_resource->data; else shsurf->output = get_default_output(es->compositor); if (reset_shell_surface_type(shsurf)) return; shsurf->saved_x = es->geometry.x; shsurf->saved_y = es->geometry.y; wlshell = shell_surface_get_shell(shsurf); panel_height = get_output_panel_height(wlshell, es->output); edges = WL_SHELL_SURFACE_RESIZE_TOP|WL_SHELL_SURFACE_RESIZE_LEFT; wl_resource_post_event(&shsurf->resource, WL_SHELL_SURFACE_CONFIGURE, weston_compositor_get_time(), edges, es->output->current->width, es->output->current->height - panel_height); shsurf->type = SHELL_SURFACE_MAXIMIZED; } static void shell_surface_set_fullscreen(struct wl_client *client, struct wl_resource *resource, uint32_t method, uint32_t framerate, struct wl_resource *output_resource) { struct shell_surface *shsurf = resource->data; struct weston_surface *es = shsurf->surface; struct weston_output *output; if (reset_shell_surface_type(shsurf)) return; /* FIXME: Fullscreen on first output */ /* FIXME: Handle output going away */ output = get_default_output(es->compositor); shsurf->saved_x = es->geometry.x; shsurf->saved_y = es->geometry.y; shsurf->output = output; shsurf->fullscreen_output = output; shsurf->type = SHELL_SURFACE_FULLSCREEN; wl_resource_post_event(resource, WL_SHELL_SURFACE_CONFIGURE, weston_compositor_get_time(), 0, shsurf->output->current->width, shsurf->output->current->height); } static void popup_grab_focus(struct wl_pointer_grab *grab, uint32_t time, struct wl_surface *surface, int32_t x, int32_t y) { struct wl_input_device *device = grab->input_device; struct shell_surface *priv = container_of(grab, struct shell_surface, popup.grab); struct wl_client *client = priv->surface->surface.resource.client; if (surface && surface->resource.client == client) { wl_input_device_set_pointer_focus(device, surface, time, x, y); grab->focus = surface; } else { wl_input_device_set_pointer_focus(device, NULL, time, 0, 0); grab->focus = NULL; } } static void popup_grab_motion(struct wl_pointer_grab *grab, uint32_t time, int32_t sx, int32_t sy) { struct wl_resource *resource; resource = grab->input_device->pointer_focus_resource; if (resource) wl_resource_post_event(resource, WL_INPUT_DEVICE_MOTION, time, sx, sy); } static void popup_grab_button(struct wl_pointer_grab *grab, uint32_t time, int32_t button, int32_t state) { struct wl_resource *resource; struct shell_surface *shsurf = container_of(grab, struct shell_surface, popup.grab); resource = grab->input_device->pointer_focus_resource; if (resource) { wl_resource_post_event(resource, WL_INPUT_DEVICE_BUTTON, time, button, state); } else if (state == 0 && (shsurf->popup.initial_up || time - shsurf->popup.time > 500)) { wl_resource_post_event(&shsurf->resource, WL_SHELL_SURFACE_POPUP_DONE); wl_input_device_end_pointer_grab(grab->input_device, time); shsurf->popup.grab.input_device = NULL; } if (state == 0) shsurf->popup.initial_up = 1; } static const struct wl_pointer_grab_interface popup_grab_interface = { popup_grab_focus, popup_grab_motion, popup_grab_button, }; static void shell_map_popup(struct shell_surface *shsurf, uint32_t time) { struct wl_input_device *device; struct weston_surface *es = shsurf->surface; struct weston_surface *parent = shsurf->parent->surface; es->output = parent->output; shsurf->popup.grab.interface = &popup_grab_interface; device = es->compositor->input_device; weston_surface_update_transform(parent); if (parent->transform.enabled) { shsurf->popup.parent_transform.matrix = parent->transform.matrix; } else { /* construct x, y translation matrix */ weston_matrix_init(&shsurf->popup.parent_transform.matrix); shsurf->popup.parent_transform.matrix.d[12] = parent->geometry.x; shsurf->popup.parent_transform.matrix.d[13] = parent->geometry.y; } wl_list_insert(es->geometry.transformation_list.prev, &shsurf->popup.parent_transform.link); weston_surface_set_position(es, shsurf->popup.x, shsurf->popup.y); shsurf->popup.grab.input_device = device; shsurf->popup.time = device->grab_time; shsurf->popup.initial_up = 0; wl_input_device_start_pointer_grab(shsurf->popup.grab.input_device, &shsurf->popup.grab, shsurf->popup.time); } static void shell_surface_set_popup(struct wl_client *client, struct wl_resource *resource, struct wl_resource *input_device_resource, uint32_t time, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags) { struct shell_surface *shsurf = resource->data; shsurf->type = SHELL_SURFACE_POPUP; shsurf->parent = parent_resource->data; shsurf->popup.x = x; shsurf->popup.y = y; } static const struct wl_shell_surface_interface shell_surface_implementation = { shell_surface_move, shell_surface_resize, shell_surface_set_toplevel, shell_surface_set_transient, shell_surface_set_fullscreen, shell_surface_set_popup, shell_surface_set_maximized }; static void destroy_shell_surface(struct wl_resource *resource) { struct shell_surface *shsurf = resource->data; if (shsurf->popup.grab.input_device) wl_input_device_end_pointer_grab(shsurf->popup.grab.input_device, 0); /* in case cleaning up a dead client destroys shell_surface first */ if (shsurf->surface) wl_list_remove(&shsurf->surface_destroy_listener.link); wl_list_remove(&shsurf->link); free(shsurf); } static void shell_handle_surface_destroy(struct wl_listener *listener, struct wl_resource *resource, uint32_t time) { struct shell_surface *shsurf = container_of(listener, struct shell_surface, surface_destroy_listener); shsurf->surface = NULL; wl_resource_destroy(&shsurf->resource, time); } static struct shell_surface * get_shell_surface(struct weston_surface *surface) { struct wl_list *lst = &surface->surface.resource.destroy_listener_list; struct wl_listener *listener; /* search the destroy listener list for our callback */ wl_list_for_each(listener, lst, link) { if (listener->func == shell_handle_surface_destroy) { return container_of(listener, struct shell_surface, surface_destroy_listener); } } return NULL; } static void shell_get_shell_surface(struct wl_client *client, struct wl_resource *resource, uint32_t id, struct wl_resource *surface_resource) { struct weston_surface *surface = surface_resource->data; struct shell_surface *shsurf; if (get_shell_surface(surface)) { wl_resource_post_error(surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "wl_shell::get_shell_surface already requested"); return; } shsurf = calloc(1, sizeof *shsurf); if (!shsurf) { wl_resource_post_no_memory(resource); return; } shsurf->resource.destroy = destroy_shell_surface; shsurf->resource.object.id = id; shsurf->resource.object.interface = &wl_shell_surface_interface; shsurf->resource.object.implementation = (void (**)(void)) &shell_surface_implementation; shsurf->resource.data = shsurf; shsurf->surface = surface; shsurf->surface_destroy_listener.func = shell_handle_surface_destroy; wl_list_insert(surface->surface.resource.destroy_listener_list.prev, &shsurf->surface_destroy_listener.link); /* init link so its safe to always remove it in destroy_shell_surface */ wl_list_init(&shsurf->link); /* empty when not in use */ wl_list_init(&shsurf->rotation.transform.link); weston_matrix_init(&shsurf->rotation.rotation); shsurf->type = SHELL_SURFACE_NONE; wl_client_add_resource(client, &shsurf->resource); } static const struct wl_shell_interface shell_implementation = { shell_get_shell_surface }; static void handle_screensaver_sigchld(struct weston_process *proc, int status) { proc->pid = 0; } static void launch_screensaver(struct wl_shell *shell) { if (shell->screensaver.binding) return; if (!shell->screensaver.path) return; weston_client_launch(shell->compositor, &shell->screensaver.process, shell->screensaver.path, handle_screensaver_sigchld); } static void terminate_screensaver(struct wl_shell *shell) { if (shell->screensaver.process.pid == 0) return; kill(shell->screensaver.process.pid, SIGTERM); } static void show_screensaver(struct wl_shell *shell, struct shell_surface *surface) { struct wl_list *list; if (shell->lock_surface) list = &shell->lock_surface->surface->link; else list = &shell->compositor->surface_list; wl_list_remove(&surface->surface->link); wl_list_insert(list, &surface->surface->link); surface->surface->output = surface->output; weston_surface_damage(surface->surface); } static void hide_screensaver(struct wl_shell *shell, struct shell_surface *surface) { wl_list_remove(&surface->surface->link); wl_list_init(&surface->surface->link); surface->surface->output = NULL; } static void desktop_shell_set_background(struct wl_client *client, struct wl_resource *resource, struct wl_resource *output_resource, struct wl_resource *surface_resource) { struct wl_shell *shell = resource->data; struct shell_surface *shsurf = surface_resource->data; struct weston_surface *surface = shsurf->surface; struct shell_surface *priv; if (reset_shell_surface_type(shsurf)) return; wl_list_for_each(priv, &shell->backgrounds, link) { if (priv->output == output_resource->data) { priv->surface->output = NULL; wl_list_remove(&priv->surface->link); wl_list_remove(&priv->link); break; } } shsurf->type = SHELL_SURFACE_BACKGROUND; shsurf->output = output_resource->data; wl_list_insert(&shell->backgrounds, &shsurf->link); weston_surface_set_position(surface, shsurf->output->x, shsurf->output->y); wl_resource_post_event(resource, DESKTOP_SHELL_CONFIGURE, weston_compositor_get_time(), 0, surface_resource, shsurf->output->current->width, shsurf->output->current->height); } static void desktop_shell_set_panel(struct wl_client *client, struct wl_resource *resource, struct wl_resource *output_resource, struct wl_resource *surface_resource) { struct wl_shell *shell = resource->data; struct shell_surface *shsurf = surface_resource->data; struct weston_surface *surface = shsurf->surface; struct shell_surface *priv; if (reset_shell_surface_type(shsurf)) return; wl_list_for_each(priv, &shell->panels, link) { if (priv->output == output_resource->data) { priv->surface->output = NULL; wl_list_remove(&priv->surface->link); wl_list_remove(&priv->link); break; } } shsurf->type = SHELL_SURFACE_PANEL; shsurf->output = output_resource->data; wl_list_insert(&shell->panels, &shsurf->link); weston_surface_set_position(surface, shsurf->output->x, shsurf->output->y); wl_resource_post_event(resource, DESKTOP_SHELL_CONFIGURE, weston_compositor_get_time(), 0, surface_resource, shsurf->output->current->width, shsurf->output->current->height); } static void handle_lock_surface_destroy(struct wl_listener *listener, struct wl_resource *resource, uint32_t time) { struct wl_shell *shell = container_of(listener, struct wl_shell, lock_surface_listener); fprintf(stderr, "lock surface gone\n"); shell->lock_surface = NULL; } static void desktop_shell_set_lock_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface_resource) { struct wl_shell *shell = resource->data; struct shell_surface *surface = surface_resource->data; if (reset_shell_surface_type(surface)) return; shell->prepare_event_sent = false; if (!shell->locked) return; shell->lock_surface = surface; shell->lock_surface_listener.func = handle_lock_surface_destroy; wl_list_insert(&surface_resource->destroy_listener_list, &shell->lock_surface_listener.link); shell->lock_surface->type = SHELL_SURFACE_LOCK; } static void resume_desktop(struct wl_shell *shell) { struct weston_surface *surface; struct wl_list *list; struct shell_surface *tmp; wl_list_for_each(tmp, &shell->screensaver.surfaces, link) hide_screensaver(shell, tmp); terminate_screensaver(shell); wl_list_for_each(surface, &shell->hidden_surface_list, link) weston_surface_assign_output(surface); if (wl_list_empty(&shell->backgrounds)) { list = &shell->compositor->surface_list; } else { struct shell_surface *background; background = container_of(shell->backgrounds.prev, struct shell_surface, link); list = background->surface->link.prev; } if (!wl_list_empty(&shell->hidden_surface_list)) wl_list_insert_list(list, &shell->hidden_surface_list); wl_list_init(&shell->hidden_surface_list); shell->locked = false; weston_compositor_repick(shell->compositor); shell->compositor->idle_time = shell->compositor->option_idle_time; weston_compositor_wake(shell->compositor); weston_compositor_damage_all(shell->compositor); } static void desktop_shell_unlock(struct wl_client *client, struct wl_resource *resource) { struct wl_shell *shell = resource->data; shell->prepare_event_sent = false; if (shell->locked) resume_desktop(shell); } static const struct desktop_shell_interface desktop_shell_implementation = { desktop_shell_set_background, desktop_shell_set_panel, desktop_shell_set_lock_surface, desktop_shell_unlock }; static enum shell_surface_type get_shell_surface_type(struct weston_surface *surface) { struct shell_surface *shsurf; shsurf = get_shell_surface(surface); if (!shsurf) return SHELL_SURFACE_NONE; return shsurf->type; } static void move_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_surface *surface = (struct weston_surface *) device->pointer_focus; if (surface == NULL) return; switch (get_shell_surface_type(surface)) { case SHELL_SURFACE_PANEL: case SHELL_SURFACE_BACKGROUND: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_SCREENSAVER: return; default: break; } weston_surface_move(surface, (struct weston_input_device *) device, time); } static void resize_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_surface *surface = (struct weston_surface *) device->pointer_focus; uint32_t edges = 0; int32_t x, y; struct shell_surface *shsurf; if (surface == NULL) return; shsurf = get_shell_surface(surface); if (!shsurf) return; switch (shsurf->type) { case SHELL_SURFACE_PANEL: case SHELL_SURFACE_BACKGROUND: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_SCREENSAVER: return; default: break; } weston_surface_from_global(surface, device->grab_x, device->grab_y, &x, &y); if (x < surface->geometry.width / 3) edges |= WL_SHELL_SURFACE_RESIZE_LEFT; else if (x < 2 * surface->geometry.width / 3) edges |= 0; else edges |= WL_SHELL_SURFACE_RESIZE_RIGHT; if (y < surface->geometry.height / 3) edges |= WL_SHELL_SURFACE_RESIZE_TOP; else if (y < 2 * surface->geometry.height / 3) edges |= 0; else edges |= WL_SHELL_SURFACE_RESIZE_BOTTOM; weston_surface_resize(shsurf, (struct weston_input_device *) device, time, edges); } static void zoom_grab_key(struct wl_keyboard_grab *grab, uint32_t time, uint32_t key, int32_t state) { struct wl_input_device *device = grab->input_device; struct weston_input_device *wd = (struct weston_input_device *) device; struct weston_compositor *compositor = wd->compositor; struct weston_output *output; struct weston_zoom_grab *zoom; if (!(wd->modifier_state & MODIFIER_SUPER)) { zoom = container_of(grab, struct weston_zoom_grab, grab); wl_input_device_end_keyboard_grab(device, time); free(zoom); return; } wl_list_for_each(output, &compositor->output_list, link) { if (pixman_region32_contains_point(&output->region, device->x, device->y, NULL)) { if (state && key == KEY_UP) { output->zoom.active = 1; output->zoom.level -= output->zoom.increment; } if (state && key == KEY_DOWN) output->zoom.level += output->zoom.increment; if (output->zoom.level >= 1.0) { output->zoom.active = 0; output->zoom.level = 1.0; } if (output->zoom.level < output->zoom.increment) output->zoom.level = output->zoom.increment; weston_output_update_zoom(output, device->x, device->y); } } } static const struct wl_keyboard_grab_interface zoom_grab = { zoom_grab_key, }; static void zoom_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_input_device *wd = (struct weston_input_device *) device; struct weston_zoom_grab *zoom; zoom = malloc(sizeof *zoom); if (!zoom) return; zoom->grab.interface = &zoom_grab; wl_input_device_start_keyboard_grab(&wd->input_device, &zoom->grab, time); } static void terminate_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_compositor *compositor = data; if (state) wl_display_terminate(compositor->wl_display); } static void rotate_grab_motion(struct wl_pointer_grab *grab, uint32_t time, int32_t x, int32_t y) { struct rotate_grab *rotate = container_of(grab, struct rotate_grab, grab); struct wl_input_device *device = grab->input_device; struct shell_surface *surface = rotate->surface; GLfloat cx = 0.5f * surface->surface->geometry.width; GLfloat cy = 0.5f * surface->surface->geometry.height; GLfloat dx, dy; GLfloat r; dx = device->x - rotate->center.x; dy = device->y - rotate->center.y; r = sqrtf(dx * dx + dy * dy); wl_list_remove(&surface->rotation.transform.link); surface->surface->geometry.dirty = 1; if (r > 20.0f) { struct weston_matrix *matrix = &surface->rotation.transform.matrix; weston_matrix_init(&rotate->rotation); rotate->rotation.d[0] = dx / r; rotate->rotation.d[4] = -dy / r; rotate->rotation.d[1] = -rotate->rotation.d[4]; rotate->rotation.d[5] = rotate->rotation.d[0]; weston_matrix_init(matrix); weston_matrix_translate(matrix, -cx, -cy, 0.0f); weston_matrix_multiply(matrix, &surface->rotation.rotation); weston_matrix_multiply(matrix, &rotate->rotation); weston_matrix_translate(matrix, cx, cy, 0.0f); wl_list_insert( &surface->surface->geometry.transformation_list, &surface->rotation.transform.link); } else { wl_list_init(&surface->rotation.transform.link); weston_matrix_init(&surface->rotation.rotation); weston_matrix_init(&rotate->rotation); } /* Repaint implies weston_surface_update_transform(), which * lazily applies the damage due to rotation update. */ weston_compositor_schedule_repaint(surface->surface->compositor); } static void rotate_grab_button(struct wl_pointer_grab *grab, uint32_t time, int32_t button, int32_t state) { struct rotate_grab *rotate = container_of(grab, struct rotate_grab, grab); struct wl_input_device *device = grab->input_device; struct shell_surface *surface = rotate->surface; if (device->button_count == 0 && state == 0) { weston_matrix_multiply(&surface->rotation.rotation, &rotate->rotation); wl_input_device_end_pointer_grab(device, time); free(rotate); } } static const struct wl_pointer_grab_interface rotate_grab_interface = { noop_grab_focus, rotate_grab_motion, rotate_grab_button, }; static void rotate_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_surface *base_surface = (struct weston_surface *) device->pointer_focus; struct shell_surface *surface; struct rotate_grab *rotate; GLfloat dx, dy; GLfloat r; if (base_surface == NULL) return; surface = get_shell_surface(base_surface); if (!surface) return; switch (surface->type) { case SHELL_SURFACE_PANEL: case SHELL_SURFACE_BACKGROUND: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_SCREENSAVER: return; default: break; } rotate = malloc(sizeof *rotate); if (!rotate) return; rotate->grab.interface = &rotate_grab_interface; rotate->surface = surface; weston_surface_to_global(surface->surface, surface->surface->geometry.width / 2, surface->surface->geometry.height / 2, &rotate->center.x, &rotate->center.y); wl_input_device_start_pointer_grab(device, &rotate->grab, time); dx = device->x - rotate->center.x; dy = device->y - rotate->center.y; r = sqrtf(dx * dx + dy * dy); if (r > 20.0f) { struct weston_matrix inverse; weston_matrix_init(&inverse); inverse.d[0] = dx / r; inverse.d[4] = dy / r; inverse.d[1] = -inverse.d[4]; inverse.d[5] = inverse.d[0]; weston_matrix_multiply(&surface->rotation.rotation, &inverse); } else { weston_matrix_init(&surface->rotation.rotation); weston_matrix_init(&rotate->rotation); } wl_input_device_set_pointer_focus(device, NULL, time, 0, 0); } static void activate(struct weston_shell *base, struct weston_surface *es, struct weston_input_device *device, uint32_t time) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); struct weston_compositor *compositor = shell->compositor; struct wl_list *list; weston_surface_activate(es, device, time); if (compositor->wxs) weston_xserver_surface_activate(es); switch (get_shell_surface_type(es)) { case SHELL_SURFACE_BACKGROUND: /* put background back to bottom */ wl_list_remove(&es->link); wl_list_insert(compositor->surface_list.prev, &es->link); break; case SHELL_SURFACE_PANEL: /* already put on top */ break; case SHELL_SURFACE_SCREENSAVER: /* always below lock surface */ if (shell->lock_surface) { wl_list_remove(&es->link); wl_list_insert(&shell->lock_surface->surface->link, &es->link); } break; default: if (!shell->locked) { list = weston_compositor_top(compositor); /* bring panel back to top */ struct shell_surface *panel; wl_list_for_each(panel, &shell->panels, link) { wl_list_remove(&panel->surface->link); wl_list_insert(list, &panel->surface->link); } } } } static void click_to_activate_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_input_device *wd = (struct weston_input_device *) device; struct weston_compositor *compositor = data; struct weston_surface *focus; focus = (struct weston_surface *) device->pointer_focus; if (state && focus && device->pointer_grab == &device->default_pointer_grab) activate(compositor->shell, focus, wd, time); } static void lock(struct weston_shell *base) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); struct wl_list *surface_list = &shell->compositor->surface_list; struct weston_surface *cur; struct weston_surface *tmp; struct weston_input_device *device; struct shell_surface *shsurf; uint32_t time; if (shell->locked) return; shell->locked = true; /* Move all surfaces from compositor's list to our hidden list, * except the background. This way nothing else can show or * receive input events while we are locked. */ if (!wl_list_empty(&shell->hidden_surface_list)) { fprintf(stderr, "%s: Assertion failed: hidden_surface_list is not empty.\n", __func__); } wl_list_for_each_safe(cur, tmp, surface_list, link) { /* skip input device sprites, cur->surface is uninitialised */ if (cur->surface.resource.client == NULL) continue; if (get_shell_surface_type(cur) == SHELL_SURFACE_BACKGROUND) continue; cur->output = NULL; wl_list_remove(&cur->link); wl_list_insert(shell->hidden_surface_list.prev, &cur->link); } launch_screensaver(shell); wl_list_for_each(shsurf, &shell->screensaver.surfaces, link) show_screensaver(shell, shsurf); if (!wl_list_empty(&shell->screensaver.surfaces)) { shell->compositor->idle_time = shell->screensaver.duration; weston_compositor_wake(shell->compositor); shell->compositor->state = WESTON_COMPOSITOR_IDLE; } /* reset pointer foci */ weston_compositor_repick(shell->compositor); /* reset keyboard foci */ time = weston_compositor_get_time(); wl_list_for_each(device, &shell->compositor->input_device_list, link) { wl_input_device_set_keyboard_focus(&device->input_device, NULL, time); } /* TODO: disable bindings that should not work while locked. */ /* All this must be undone in resume_desktop(). */ } static void unlock(struct weston_shell *base) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); if (!shell->locked || shell->lock_surface) { weston_compositor_wake(shell->compositor); return; } /* If desktop-shell client has gone away, unlock immediately. */ if (!shell->child.desktop_shell) { resume_desktop(shell); return; } if (shell->prepare_event_sent) return; wl_resource_post_event(shell->child.desktop_shell, DESKTOP_SHELL_PREPARE_LOCK_SURFACE); shell->prepare_event_sent = true; } static void center_on_output(struct weston_surface *surface, struct weston_output *output) { struct weston_mode *mode = output->current; GLfloat x = (mode->width - surface->geometry.width) / 2; GLfloat y = (mode->height - surface->geometry.height) / 2; weston_surface_set_position(surface, output->x + x, output->y + y); } static void map(struct weston_shell *base, struct weston_surface *surface, int32_t width, int32_t height, int32_t sx, int32_t sy) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); struct weston_compositor *compositor = shell->compositor; struct wl_list *list; struct shell_surface *shsurf; enum shell_surface_type surface_type = SHELL_SURFACE_NONE; int do_configure; int panel_height = 0; shsurf = get_shell_surface(surface); if (shsurf) surface_type = shsurf->type; if (shell->locked) { list = &shell->hidden_surface_list; do_configure = 0; } else { list = weston_compositor_top(compositor); do_configure = 1; } surface->geometry.width = width; surface->geometry.height = height; surface->geometry.dirty = 1; weston_compositor_update_drag_surfaces(compositor); /* initial positioning, see also configure() */ switch (surface_type) { case SHELL_SURFACE_TOPLEVEL: weston_surface_set_position(surface, 10 + random() % 400, 10 + random() % 400); break; case SHELL_SURFACE_SCREENSAVER: case SHELL_SURFACE_FULLSCREEN: center_on_output(surface, shsurf->fullscreen_output); break; case SHELL_SURFACE_MAXIMIZED: /*use surface configure to set the geometry*/ panel_height = get_output_panel_height(shell,surface->output); weston_surface_set_position(surface, surface->output->x, surface->output->y + panel_height); break; case SHELL_SURFACE_LOCK: center_on_output(surface, get_default_output(compositor)); break; case SHELL_SURFACE_POPUP: shell_map_popup(shsurf, shsurf->popup.time); case SHELL_SURFACE_NONE: weston_surface_set_position(surface, surface->geometry.x + sx, surface->geometry.y + sy); break; default: ; } /* surface stacking order, see also activate() */ switch (surface_type) { case SHELL_SURFACE_BACKGROUND: /* background always visible, at the bottom */ wl_list_insert(compositor->surface_list.prev, &surface->link); do_configure = 1; break; case SHELL_SURFACE_PANEL: /* panel always on top, hidden while locked */ wl_list_insert(list, &surface->link); break; case SHELL_SURFACE_LOCK: /* lock surface always visible, on top */ wl_list_insert(&compositor->surface_list, &surface->link); weston_compositor_wake(compositor); do_configure = 1; break; case SHELL_SURFACE_SCREENSAVER: /* If locked, show it. */ if (shell->locked) { show_screensaver(shell, shsurf); compositor->idle_time = shell->screensaver.duration; weston_compositor_wake(compositor); if (!shell->lock_surface) compositor->state = WESTON_COMPOSITOR_IDLE; } do_configure = 0; break; case SHELL_SURFACE_NONE: do_configure = 0; break; default: /* everything else just below the panel */ if (!wl_list_empty(&shell->panels)) { struct shell_surface *panel = container_of(shell->panels.prev, struct shell_surface, link); wl_list_insert(&panel->surface->link, &surface->link); } else { wl_list_insert(list, &surface->link); } } if (do_configure) { weston_surface_assign_output(surface); weston_compositor_repick(compositor); if (surface_type == SHELL_SURFACE_MAXIMIZED) surface->output = shsurf->output; } switch (surface_type) { case SHELL_SURFACE_TOPLEVEL: case SHELL_SURFACE_TRANSIENT: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_MAXIMIZED: if (!shell->locked) activate(base, surface, (struct weston_input_device *) compositor->input_device, weston_compositor_get_time()); break; default: break; } if (surface_type == SHELL_SURFACE_TOPLEVEL) weston_zoom_run(surface, 0.8, 1.0, NULL, NULL); } static void configure(struct weston_shell *base, struct weston_surface *surface, GLfloat x, GLfloat y, int32_t width, int32_t height) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); enum shell_surface_type surface_type = SHELL_SURFACE_NONE; struct shell_surface *shsurf; shsurf = get_shell_surface(surface); if (shsurf) surface_type = shsurf->type; surface->geometry.x = x; surface->geometry.y = y; surface->geometry.width = width; surface->geometry.height = height; surface->geometry.dirty = 1; switch (surface_type) { case SHELL_SURFACE_SCREENSAVER: case SHELL_SURFACE_FULLSCREEN: center_on_output(surface, shsurf->fullscreen_output); break; case SHELL_SURFACE_MAXIMIZED: /*setting x, y and using configure to change that geometry*/ surface->geometry.x = surface->output->x; surface->geometry.y = surface->output->y + get_output_panel_height(shell,surface->output); break; default: break; } /* XXX: would a fullscreen surface need the same handling? */ if (surface->output) { weston_surface_assign_output(surface); if (surface_type == SHELL_SURFACE_SCREENSAVER) surface->output = shsurf->output; else if (surface_type == SHELL_SURFACE_MAXIMIZED) surface->output = shsurf->output; } } static int launch_desktop_shell_process(struct wl_shell *shell); static void desktop_shell_sigchld(struct weston_process *process, int status) { uint32_t time; struct wl_shell *shell = container_of(process, struct wl_shell, child.process); shell->child.process.pid = 0; shell->child.client = NULL; /* already destroyed by wayland */ /* if desktop-shell dies more than 5 times in 30 seconds, give up */ time = weston_compositor_get_time(); if (time - shell->child.deathstamp > 30000) { shell->child.deathstamp = time; shell->child.deathcount = 0; } shell->child.deathcount++; if (shell->child.deathcount > 5) { fprintf(stderr, "weston-desktop-shell died, giving up.\n"); return; } fprintf(stderr, "weston-desktop-shell died, respawning...\n"); launch_desktop_shell_process(shell); } static int launch_desktop_shell_process(struct wl_shell *shell) { const char *shell_exe = LIBEXECDIR "/weston-desktop-shell"; shell->child.client = weston_client_launch(shell->compositor, &shell->child.process, shell_exe, desktop_shell_sigchld); if (!shell->child.client) return -1; return 0; } static void bind_shell(struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct wl_shell *shell = data; wl_client_add_object(client, &wl_shell_interface, &shell_implementation, id, shell); } static void unbind_desktop_shell(struct wl_resource *resource) { struct wl_shell *shell = resource->data; if (shell->locked) resume_desktop(shell); shell->child.desktop_shell = NULL; shell->prepare_event_sent = false; free(resource); } static void bind_desktop_shell(struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct wl_shell *shell = data; struct wl_resource *resource; resource = wl_client_add_object(client, &desktop_shell_interface, &desktop_shell_implementation, id, shell); if (client == shell->child.client) { resource->destroy = unbind_desktop_shell; shell->child.desktop_shell = resource; return; } wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "permission to bind desktop_shell denied"); wl_resource_destroy(resource, 0); } static void screensaver_set_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *shell_surface_resource, struct wl_resource *output_resource) { struct wl_shell *shell = resource->data; struct shell_surface *surface = shell_surface_resource->data; struct weston_output *output = output_resource->data; if (reset_shell_surface_type(surface)) return; surface->type = SHELL_SURFACE_SCREENSAVER; surface->fullscreen_output = output; surface->output = output; wl_list_insert(shell->screensaver.surfaces.prev, &surface->link); } static const struct screensaver_interface screensaver_implementation = { screensaver_set_surface }; static void unbind_screensaver(struct wl_resource *resource) { struct wl_shell *shell = resource->data; shell->screensaver.binding = NULL; free(resource); } static void bind_screensaver(struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct wl_shell *shell = data; struct wl_resource *resource; resource = wl_client_add_object(client, &screensaver_interface, &screensaver_implementation, id, shell); if (shell->screensaver.binding == NULL) { resource->destroy = unbind_screensaver; shell->screensaver.binding = resource; return; } wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "interface object already bound"); wl_resource_destroy(resource, 0); } struct switcher { struct weston_compositor *compositor; struct weston_surface *current; struct wl_listener listener; struct wl_keyboard_grab grab; }; static void switcher_next(struct switcher *switcher) { struct weston_compositor *compositor = switcher->compositor; struct weston_surface *surface; struct weston_surface *first = NULL, *prev = NULL, *next = NULL; wl_list_for_each(surface, &compositor->surface_list, link) { /* Workaround for cursor surfaces. */ if (surface->surface.resource.destroy_listener_list.next == NULL) continue; switch (get_shell_surface_type(surface)) { case SHELL_SURFACE_TOPLEVEL: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_MAXIMIZED: if (first == NULL) first = surface; if (prev == switcher->current) next = surface; prev = surface; surface->alpha = 64; weston_surface_damage(surface); break; default: break; } } if (next == NULL) next = first; wl_list_remove(&switcher->listener.link); wl_list_insert(next->surface.resource.destroy_listener_list.prev, &switcher->listener.link); switcher->current = next; next->alpha = 255; } static void switcher_handle_surface_destroy(struct wl_listener *listener, struct wl_resource *resource, uint32_t time) { struct switcher *switcher = container_of(listener, struct switcher, listener); switcher_next(switcher); } static void switcher_destroy(struct switcher *switcher, uint32_t time) { struct weston_compositor *compositor = switcher->compositor; struct weston_surface *surface; struct weston_input_device *device = (struct weston_input_device *) switcher->grab.input_device; wl_list_for_each(surface, &compositor->surface_list, link) { surface->alpha = 255; weston_surface_damage(surface); } activate(compositor->shell, switcher->current, device, time); wl_list_remove(&switcher->listener.link); wl_input_device_end_keyboard_grab(&device->input_device, time); free(switcher); } static void switcher_key(struct wl_keyboard_grab *grab, uint32_t time, uint32_t key, int32_t state) { struct switcher *switcher = container_of(grab, struct switcher, grab); struct weston_input_device *device = (struct weston_input_device *) grab->input_device; if ((device->modifier_state & MODIFIER_SUPER) == 0) { switcher_destroy(switcher, time); } else if (key == KEY_TAB && state) { switcher_next(switcher); } }; static const struct wl_keyboard_grab_interface switcher_grab = { switcher_key }; static void switcher_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct weston_compositor *compositor = data; struct switcher *switcher; switcher = malloc(sizeof *switcher); switcher->compositor = compositor; switcher->current = NULL; switcher->listener.func = switcher_handle_surface_destroy; wl_list_init(&switcher->listener.link); switcher->grab.interface = &switcher_grab; wl_input_device_start_keyboard_grab(device, &switcher->grab, time); switcher_next(switcher); } static void shell_destroy(struct weston_shell *base) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); if (shell->child.client) wl_client_destroy(shell->child.client); free(shell->screensaver.path); free(shell); } int shell_init(struct weston_compositor *ec); WL_EXPORT int shell_init(struct weston_compositor *ec) { struct wl_shell *shell; shell = malloc(sizeof *shell); if (shell == NULL) return -1; memset(shell, 0, sizeof *shell); shell->compositor = ec; shell->shell.lock = lock; shell->shell.unlock = unlock; shell->shell.map = map; shell->shell.configure = configure; shell->shell.destroy = shell_destroy; wl_list_init(&shell->hidden_surface_list); wl_list_init(&shell->backgrounds); wl_list_init(&shell->panels); wl_list_init(&shell->screensaver.surfaces); shell_configuration(shell); if (wl_display_add_global(ec->wl_display, &wl_shell_interface, shell, bind_shell) == NULL) return -1; if (wl_display_add_global(ec->wl_display, &desktop_shell_interface, shell, bind_desktop_shell) == NULL) return -1; if (wl_display_add_global(ec->wl_display, &screensaver_interface, shell, bind_screensaver) == NULL) return -1; shell->child.deathstamp = weston_compositor_get_time(); if (launch_desktop_shell_process(shell) != 0) return -1; weston_compositor_add_binding(ec, 0, BTN_LEFT, MODIFIER_SUPER, move_binding, shell); weston_compositor_add_binding(ec, 0, BTN_MIDDLE, MODIFIER_SUPER, resize_binding, shell); weston_compositor_add_binding(ec, KEY_BACKSPACE, 0, MODIFIER_CTRL | MODIFIER_ALT, terminate_binding, ec); weston_compositor_add_binding(ec, 0, BTN_LEFT, 0, click_to_activate_binding, ec); weston_compositor_add_binding(ec, KEY_UP, 0, MODIFIER_SUPER, zoom_binding, shell); weston_compositor_add_binding(ec, KEY_DOWN, 0, MODIFIER_SUPER, zoom_binding, shell); weston_compositor_add_binding(ec, 0, BTN_LEFT, MODIFIER_SUPER | MODIFIER_ALT, rotate_binding, NULL); weston_compositor_add_binding(ec, KEY_TAB, 0, MODIFIER_SUPER, switcher_binding, ec); ec->shell = &shell->shell; return 0; }