/* * Copyright © 2010 Intel Corporation * Copyright © 2011 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 "compositor.h" #include "desktop-shell-server-protocol.h" #include "../shared/config-parser.h" struct shell_surface; struct wl_shell { struct wlsc_compositor *compositor; struct wlsc_shell shell; struct { struct wlsc_process process; struct wl_client *client; struct wl_resource *desktop_shell; } 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 { const char *path; int duration; struct wl_resource *binding; struct wl_list surfaces; struct wlsc_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 }; struct shell_surface { struct wl_resource resource; struct wlsc_surface *surface; struct wl_listener surface_destroy_listener; enum shell_surface_type type; int32_t saved_x, saved_y; struct wlsc_output *output; struct wl_list link; }; struct wlsc_move_grab { struct wl_grab grab; struct wlsc_surface *surface; int32_t dx, dy; }; static int shell_configuration(struct wl_shell *shell) { int ret; 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("wayland-desktop-shell.ini"); ret = parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell); free(config_file); shell->screensaver.path = path; shell->screensaver.duration = duration; return ret; /* FIXME: free(shell->screensaver.path) on plugin fini */ } static void move_grab_motion(struct wl_grab *grab, uint32_t time, int32_t x, int32_t y) { struct wlsc_move_grab *move = (struct wlsc_move_grab *) grab; struct wlsc_surface *es = move->surface; wlsc_surface_configure(es, x + move->dx, y + move->dy, es->width, es->height); } static void move_grab_button(struct wl_grab *grab, uint32_t time, int32_t button, int32_t state) { } static void move_grab_end(struct wl_grab *grab, uint32_t time) { free(grab); } static const struct wl_grab_interface move_grab_interface = { move_grab_motion, move_grab_button, move_grab_end }; static int wlsc_surface_move(struct wlsc_surface *es, struct wlsc_input_device *wd, uint32_t time) { struct wlsc_move_grab *move; move = malloc(sizeof *move); if (!move) return -1; move->grab.interface = &move_grab_interface; move->dx = es->x - wd->input_device.grab_x; move->dy = es->y - wd->input_device.grab_y; move->surface = es; if (wl_input_device_update_grab(&wd->input_device, &move->grab, &es->surface, time) < 0) return 0; wl_input_device_set_pointer_focus(&wd->input_device, NULL, time, 0, 0, 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 wlsc_input_device *wd = input_resource->data; struct shell_surface *shsurf = resource->data; if (wlsc_surface_move(shsurf->surface, wd, time) < 0) wl_resource_post_no_memory(resource); } struct wlsc_resize_grab { struct wl_grab grab; uint32_t edges; int32_t dx, dy, width, height; struct shell_surface *shsurf; }; static void resize_grab_motion(struct wl_grab *grab, uint32_t time, int32_t x, int32_t y) { struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab; struct wl_input_device *device = grab->input_device; int32_t width, height; if (resize->edges & WL_SHELL_SURFACE_RESIZE_LEFT) { width = device->grab_x - x + resize->width; } else if (resize->edges & WL_SHELL_SURFACE_RESIZE_RIGHT) { width = x - device->grab_x + resize->width; } else { width = resize->width; } if (resize->edges & WL_SHELL_SURFACE_RESIZE_TOP) { height = device->grab_y - y + resize->height; } else if (resize->edges & WL_SHELL_SURFACE_RESIZE_BOTTOM) { height = y - device->grab_y + resize->height; } 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_grab *grab, uint32_t time, int32_t button, int32_t state) { } static void resize_grab_end(struct wl_grab *grab, uint32_t time) { free(grab); } static const struct wl_grab_interface resize_grab_interface = { resize_grab_motion, resize_grab_button, resize_grab_end }; static int wlsc_surface_resize(struct shell_surface *shsurf, struct wlsc_input_device *wd, uint32_t time, uint32_t edges) { struct wlsc_resize_grab *resize; struct wlsc_surface *es = shsurf->surface; /* FIXME: Reject if fullscreen */ resize = malloc(sizeof *resize); if (!resize) return -1; resize->grab.interface = &resize_grab_interface; resize->edges = edges; resize->dx = es->x - wd->input_device.grab_x; resize->dy = es->y - wd->input_device.grab_y; resize->width = es->width; resize->height = es->height; resize->shsurf = shsurf; if (edges == 0 || edges > 15 || (edges & 3) == 3 || (edges & 12) == 12) return 0; if (wl_input_device_update_grab(&wd->input_device, &resize->grab, &es->surface, time) < 0) return 0; wl_input_device_set_pointer_focus(&wd->input_device, NULL, time, 0, 0, 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 wlsc_input_device *wd = input_resource->data; struct shell_surface *shsurf = resource->data; /* FIXME: Reject if fullscreen */ if (wlsc_surface_resize(shsurf, wd, time, edges) < 0) wl_resource_post_no_memory(resource); } static int reset_shell_surface_type(struct shell_surface *surface) { switch (surface->type) { case SHELL_SURFACE_FULLSCREEN: surface->surface->x = surface->saved_x; surface->surface->y = surface->saved_y; surface->surface->fullscreen_output = NULL; 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: 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; wlsc_surface_damage(surface->surface); 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 wlsc_surface *es = shsurf->surface; struct shell_surface *pshsurf = parent_resource->data; struct wlsc_surface *pes = pshsurf->surface; if (reset_shell_surface_type(shsurf)) return; /* assign to parents output */ es->output = pes->output; es->x = pes->x + x; es->y = pes->y + y; wlsc_surface_damage(es); shsurf->type = SHELL_SURFACE_TRANSIENT; } static struct wlsc_output * get_default_output(struct wlsc_compositor *compositor) { return container_of(compositor->output_list.next, struct wlsc_output, link); } static void shell_surface_set_fullscreen(struct wl_client *client, struct wl_resource *resource) { struct shell_surface *shsurf = resource->data; struct wlsc_surface *es = shsurf->surface; struct wlsc_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); es->output = output; shsurf->saved_x = es->x; shsurf->saved_y = es->y; es->x = (output->current->width - es->width) / 2; es->y = (output->current->height - es->height) / 2; es->fullscreen_output = output; wlsc_surface_damage(es); shsurf->type = SHELL_SURFACE_FULLSCREEN; } 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 }; static void destroy_shell_surface(struct wl_resource *resource) { struct shell_surface *shsurf = resource->data; /* 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 wlsc_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 wlsc_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); 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 wlsc_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; wlsc_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); wlsc_surface_configure(surface->surface, surface->surface->x, surface->surface->y, surface->surface->width, surface->surface->height); surface->surface->output = surface->output; } 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 wlsc_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); surface->x = shsurf->output->x; surface->y = shsurf->output->y; wl_resource_post_event(resource, DESKTOP_SHELL_CONFIGURE, wlsc_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 wlsc_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); surface->x = shsurf->output->x; surface->y = shsurf->output->y; wl_resource_post_event(resource, DESKTOP_SHELL_CONFIGURE, wlsc_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 wlsc_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) wlsc_surface_configure(surface, surface->x, surface->y, surface->width, surface->height); 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; wlsc_compositor_repick(shell->compositor); shell->compositor->idle_time = shell->compositor->option_idle_time; wlsc_compositor_wake(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 wlsc_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 wlsc_surface *surface = (struct wlsc_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; } wlsc_surface_move(surface, (struct wlsc_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 wlsc_surface *surface = (struct wlsc_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; } x = device->grab_x - surface->x; y = device->grab_y - surface->y; if (x < surface->width / 3) edges |= WL_SHELL_SURFACE_RESIZE_LEFT; else if (x < 2 * surface->width / 3) edges |= 0; else edges |= WL_SHELL_SURFACE_RESIZE_RIGHT; if (y < surface->height / 3) edges |= WL_SHELL_SURFACE_RESIZE_TOP; else if (y < 2 * surface->height / 3) edges |= 0; else edges |= WL_SHELL_SURFACE_RESIZE_BOTTOM; wlsc_surface_resize(shsurf, (struct wlsc_input_device *) device, time, edges); } static void terminate_binding(struct wl_input_device *device, uint32_t time, uint32_t key, uint32_t button, uint32_t state, void *data) { struct wlsc_compositor *compositor = data; if (state) wl_display_terminate(compositor->wl_display); } static void activate(struct wlsc_shell *base, struct wlsc_surface *es, struct wlsc_input_device *device, uint32_t time) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); struct wlsc_compositor *compositor = shell->compositor; wlsc_surface_activate(es, device, time); if (compositor->wxs) wlsc_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) { /* 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(&compositor->surface_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 wlsc_input_device *wd = (struct wlsc_input_device *) device; struct wlsc_compositor *compositor = data; struct wlsc_surface *focus; focus = (struct wlsc_surface *) device->pointer_focus; if (state && focus && device->grab == NULL) compositor->shell->activate(compositor->shell, focus, wd, time); } static void lock(struct wlsc_shell *base) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); struct wl_list *surface_list = &shell->compositor->surface_list; struct wlsc_surface *cur; struct wlsc_surface *tmp; struct wlsc_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; wlsc_compositor_wake(shell->compositor); shell->compositor->state = WLSC_COMPOSITOR_IDLE; } /* reset pointer foci */ wlsc_compositor_repick(shell->compositor); /* reset keyboard foci */ time = wlsc_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 wlsc_shell *base) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); if (!shell->locked || shell->lock_surface) { wlsc_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 wlsc_surface *surface, struct wlsc_output *output) { struct wlsc_mode *mode = output->current; surface->x = output->x + (mode->width - surface->width) / 2; surface->y = output->y + (mode->height - surface->height) / 2; } static void map(struct wlsc_shell *base, struct wlsc_surface *surface, int32_t width, int32_t height) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); struct wlsc_compositor *compositor = shell->compositor; struct wl_list *list; struct shell_surface *shsurf; enum shell_surface_type surface_type = SHELL_SURFACE_NONE; int do_configure; shsurf = get_shell_surface(surface); if (shsurf) surface_type = shsurf->type; if (shell->locked) { list = &shell->hidden_surface_list; do_configure = 0; } else { list = &compositor->surface_list; do_configure = 1; } surface->width = width; surface->height = height; /* initial positioning, see also configure() */ switch (surface_type) { case SHELL_SURFACE_TOPLEVEL: surface->x = 10 + random() % 400; surface->y = 10 + random() % 400; break; case SHELL_SURFACE_SCREENSAVER: case SHELL_SURFACE_FULLSCREEN: center_on_output(surface, surface->fullscreen_output); break; case SHELL_SURFACE_LOCK: center_on_output(surface, get_default_output(compositor)); 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); wlsc_compositor_repick(compositor); wlsc_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; wlsc_compositor_wake(compositor); if (!shell->lock_surface) compositor->state = WLSC_COMPOSITOR_IDLE; } 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) wlsc_surface_configure(surface, surface->x, surface->y, width, height); switch (surface_type) { case SHELL_SURFACE_TOPLEVEL: case SHELL_SURFACE_TRANSIENT: case SHELL_SURFACE_FULLSCREEN: if (!shell->locked) activate(base, surface, (struct wlsc_input_device *) compositor->input_device, wlsc_compositor_get_time()); break; default: break; } if (surface_type == SHELL_SURFACE_TOPLEVEL) wlsc_zoom_run(surface, 0.8, 1.0, NULL, NULL); } static void configure(struct wlsc_shell *base, struct wlsc_surface *surface, int32_t x, int32_t y, int32_t width, int32_t height) { struct wl_shell *shell = container_of(base, struct wl_shell, shell); int do_configure = !shell->locked; 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->width = width; surface->height = height; switch (surface_type) { case SHELL_SURFACE_SCREENSAVER: do_configure = !do_configure; /* fall through */ case SHELL_SURFACE_FULLSCREEN: center_on_output(surface, surface->fullscreen_output); break; default: break; } /* * wlsc_surface_configure() will assign an output, which means * the surface is supposed to be in compositor->surface_list. * Be careful with that, and make sure we stay on the right output. * XXX: would a fullscreen surface need the same handling? */ if (do_configure) { wlsc_surface_configure(surface, x, y, width, height); if (surface_type == SHELL_SURFACE_SCREENSAVER) surface->output = shsurf->output; } } static void desktop_shell_sigchld(struct wlsc_process *process, int status) { 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 */ } static int launch_desktop_shell_process(struct wl_shell *shell) { const char *shell_exe = LIBEXECDIR "/wayland-desktop-shell"; shell->child.client = wlsc_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 wlsc_output *output = output_resource->data; if (reset_shell_surface_type(surface)) return; surface->type = SHELL_SURFACE_SCREENSAVER; surface->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); } int shell_init(struct wlsc_compositor *ec); WL_EXPORT int shell_init(struct wlsc_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.activate = activate; shell->shell.lock = lock; shell->shell.unlock = unlock; shell->shell.map = map; shell->shell.configure = configure; wl_list_init(&shell->hidden_surface_list); wl_list_init(&shell->backgrounds); wl_list_init(&shell->panels); wl_list_init(&shell->screensaver.surfaces); if (shell_configuration(shell) < 0) return -1; 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; if (launch_desktop_shell_process(shell) != 0) return -1; wlsc_compositor_add_binding(ec, 0, BTN_LEFT, MODIFIER_SUPER, move_binding, shell); wlsc_compositor_add_binding(ec, 0, BTN_MIDDLE, MODIFIER_SUPER, resize_binding, shell); wlsc_compositor_add_binding(ec, KEY_BACKSPACE, 0, MODIFIER_CTRL | MODIFIER_ALT, terminate_binding, ec); wlsc_compositor_add_binding(ec, 0, BTN_LEFT, 0, click_to_activate_binding, ec); ec->shell = &shell->shell; return 0; }