/* * 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 #include "compositor.h" #include "desktop-shell-server-protocol.h" #include "../shared/config-parser.h" #include "log.h" #define DEFAULT_NUM_WORKSPACES 1 #define DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH 200 enum animation_type { ANIMATION_NONE, ANIMATION_ZOOM, ANIMATION_FADE }; struct focus_state { struct weston_seat *seat; struct weston_surface *keyboard_focus; struct wl_list link; struct wl_listener seat_destroy_listener; struct wl_listener surface_destroy_listener; }; struct workspace { struct weston_layer layer; struct wl_list focus_list; struct wl_listener seat_destroyed_listener; }; struct desktop_shell { struct weston_compositor *compositor; struct wl_listener lock_listener; struct wl_listener unlock_listener; struct wl_listener destroy_listener; struct weston_layer fullscreen_layer; struct weston_layer panel_layer; struct weston_layer background_layer; struct weston_layer lock_layer; struct wl_listener pointer_focus_listener; struct weston_surface *busy_surface; 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 backgrounds; struct wl_list panels; struct { struct wl_array array; unsigned int current; unsigned int num; struct weston_animation animation; int anim_dir; uint32_t anim_timestamp; double anim_current; struct workspace *anim_from; struct workspace *anim_to; } workspaces; struct { char *path; int duration; struct wl_resource *binding; struct wl_list surfaces; struct weston_process process; } screensaver; uint32_t binding_modifier; enum animation_type win_animation_type; struct weston_surface *debug_repaint_surface; }; 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 ping_timer { struct wl_event_source *source; uint32_t serial; }; struct shell_surface { struct wl_resource resource; struct weston_surface *surface; struct wl_listener surface_destroy_listener; struct shell_surface *parent; struct desktop_shell *shell; enum shell_surface_type type, next_type; char *title, *class; int32_t saved_x, saved_y; bool saved_position_valid; bool saved_rotation_valid; int unresponsive; struct { struct weston_transform transform; struct weston_matrix rotation; } rotation; struct { struct wl_pointer_grab grab; int32_t x, y; struct weston_transform parent_transform; int32_t initial_up; struct wl_seat *seat; uint32_t serial; } popup; struct { int32_t x, y; uint32_t flags; } transient; struct { enum wl_shell_surface_fullscreen_method type; struct weston_transform transform; /* matrix from x, y */ uint32_t framerate; struct weston_surface *black_surface; } fullscreen; struct ping_timer *ping_timer; struct weston_transform workspace_transform; struct focus_state *focus_state; struct weston_output *fullscreen_output; struct weston_output *output; struct wl_list link; const struct weston_shell_client *client; }; struct shell_grab { struct wl_pointer_grab grab; struct shell_surface *shsurf; struct wl_listener shsurf_destroy_listener; }; struct weston_move_grab { struct shell_grab base; wl_fixed_t dx, dy; }; struct rotate_grab { struct shell_grab base; struct weston_matrix rotation; struct { GLfloat x; GLfloat y; } center; }; static struct shell_surface * get_shell_surface(struct weston_surface *surface); static struct desktop_shell * shell_surface_get_shell(struct shell_surface *shsurf); static bool shell_surface_is_top_fullscreen(struct shell_surface *shsurf) { struct desktop_shell *shell; struct weston_surface *top_fs_es; shell = shell_surface_get_shell(shsurf); if (wl_list_empty(&shell->fullscreen_layer.surface_list)) return false; top_fs_es = container_of(shell->fullscreen_layer.surface_list.next, struct weston_surface, layer_link); return (shsurf == get_shell_surface(top_fs_es)); } static void destroy_shell_grab_shsurf(struct wl_listener *listener, void *data) { struct shell_grab *grab; grab = container_of(listener, struct shell_grab, shsurf_destroy_listener); grab->shsurf = NULL; } static void shell_grab_init(struct shell_grab *grab, const struct wl_pointer_grab_interface *interface, struct shell_surface *shsurf) { grab->grab.interface = interface; grab->shsurf = shsurf; grab->shsurf_destroy_listener.notify = destroy_shell_grab_shsurf; wl_signal_add(&shsurf->resource.destroy_signal, &grab->shsurf_destroy_listener); } static void shell_grab_finish(struct shell_grab *grab) { if (grab->shsurf) wl_list_remove(&grab->shsurf_destroy_listener.link); } static void center_on_output(struct weston_surface *surface, struct weston_output *output); static enum weston_keyboard_modifier get_modifier(char *modifier) { if (!modifier) return MODIFIER_SUPER; if (!strcmp("ctrl", modifier)) return MODIFIER_CTRL; else if (!strcmp("alt", modifier)) return MODIFIER_ALT; else if (!strcmp("super", modifier)) return MODIFIER_SUPER; else return MODIFIER_SUPER; } static enum animation_type get_animation_type(char *animation) { if (!animation) return ANIMATION_NONE; if (!strcmp("zoom", animation)) return ANIMATION_ZOOM; else if (!strcmp("fade", animation)) return ANIMATION_FADE; else return ANIMATION_NONE; } static void shell_configuration(struct desktop_shell *shell) { char *config_file; char *path = NULL; int duration = 60; unsigned int num_workspaces = DEFAULT_NUM_WORKSPACES; char *modifier = NULL; char *win_animation = NULL; struct config_key shell_keys[] = { { "binding-modifier", CONFIG_KEY_STRING, &modifier }, { "animation", CONFIG_KEY_STRING, &win_animation}, { "num-workspaces", CONFIG_KEY_UNSIGNED_INTEGER, &num_workspaces }, }; struct config_key saver_keys[] = { { "path", CONFIG_KEY_STRING, &path }, { "duration", CONFIG_KEY_INTEGER, &duration }, }; struct config_section cs[] = { { "shell", shell_keys, ARRAY_LENGTH(shell_keys), NULL }, { "screensaver", saver_keys, ARRAY_LENGTH(saver_keys), NULL }, }; config_file = config_file_path("weston.ini"); parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell); free(config_file); shell->screensaver.path = path; shell->screensaver.duration = duration; shell->binding_modifier = get_modifier(modifier); shell->win_animation_type = get_animation_type(win_animation); shell->workspaces.num = num_workspaces > 0 ? num_workspaces : 1; } static void focus_state_destroy(struct focus_state *state) { wl_list_remove(&state->seat_destroy_listener.link); wl_list_remove(&state->surface_destroy_listener.link); free(state); } static void focus_state_seat_destroy(struct wl_listener *listener, void *data) { struct focus_state *state = container_of(listener, struct focus_state, seat_destroy_listener); wl_list_remove(&state->link); focus_state_destroy(state); } static void focus_state_surface_destroy(struct wl_listener *listener, void *data) { struct focus_state *state = container_of(listener, struct focus_state, seat_destroy_listener); wl_list_remove(&state->link); focus_state_destroy(state); } static struct focus_state * focus_state_create(struct weston_seat *seat) { struct wl_keyboard *keyboard = seat->seat.keyboard; struct focus_state *state; struct wl_surface *surface; struct shell_surface *shsurf; state = malloc(sizeof *state); if (state == NULL) return NULL; surface = keyboard->focus; shsurf = get_shell_surface((struct weston_surface *)keyboard->focus); shsurf->focus_state = state; state->seat = seat; state->keyboard_focus = shsurf->surface; wl_list_init(&state->link); state->seat_destroy_listener.notify = focus_state_seat_destroy; state->surface_destroy_listener.notify = focus_state_surface_destroy; wl_signal_add(&seat->seat.destroy_signal, &state->seat_destroy_listener); wl_signal_add(&surface->resource.destroy_signal, &state->surface_destroy_listener); return state; } static void pop_focus_state(struct desktop_shell *shell, struct workspace *ws) { struct focus_state *state, *next; wl_list_for_each_safe(state, next, &ws->focus_list, link) { if (state->keyboard_focus) wl_keyboard_set_focus(state->seat->seat.keyboard, &state->keyboard_focus->surface); focus_state_destroy(state); } wl_list_init(&ws->focus_list); } static void push_focus_state(struct desktop_shell *shell, struct workspace *ws) { struct weston_seat *seat; struct focus_state *state; struct wl_keyboard *keyboard; wl_list_for_each(seat, &shell->compositor->seat_list, link) { keyboard = seat->seat.keyboard; if (keyboard && keyboard->focus) { state = focus_state_create(seat); if (state == NULL) return; wl_list_insert(&ws->focus_list, &state->link); wl_keyboard_set_focus(seat->seat.keyboard, NULL); } } } static void workspace_destroy(struct workspace *ws) { struct focus_state *state, *next; wl_list_for_each_safe(state, next, &ws->focus_list, link) focus_state_destroy(state); free(ws); } static void seat_destroyed(struct wl_listener *listener, void *data) { struct weston_seat *seat = data; struct focus_state *state, *next; struct workspace *ws = container_of(listener, struct workspace, seat_destroyed_listener); wl_list_for_each_safe(state, next, &ws->focus_list, link) if (state->seat == seat) wl_list_remove(&state->link); } static struct workspace * workspace_create(void) { struct workspace *ws = malloc(sizeof *ws); if (ws == NULL) return NULL; weston_layer_init(&ws->layer, NULL); wl_list_init(&ws->focus_list); wl_list_init(&ws->seat_destroyed_listener.link); ws->seat_destroyed_listener.notify = seat_destroyed; return ws; } static int workspace_is_empty(struct workspace *ws) { return wl_list_empty(&ws->layer.surface_list); } static struct workspace * get_workspace(struct desktop_shell *shell, unsigned int index) { struct workspace **pws = shell->workspaces.array.data; pws += index; return *pws; } static struct workspace * get_current_workspace(struct desktop_shell *shell) { return get_workspace(shell, shell->workspaces.current); } static void activate_workspace(struct desktop_shell *shell, unsigned int index) { struct workspace *ws; ws = get_workspace(shell, index); wl_list_insert(&shell->panel_layer.link, &ws->layer.link); shell->workspaces.current = index; } static unsigned int get_output_height(struct weston_output *output) { return abs(output->region.extents.y1 - output->region.extents.y2); } static void surface_translate(struct weston_surface *surface, double d) { struct shell_surface *shsurf = get_shell_surface(surface); struct weston_transform *transform; transform = &shsurf->workspace_transform; if (wl_list_empty(&transform->link)) wl_list_insert(surface->geometry.transformation_list.prev, &shsurf->workspace_transform.link); weston_matrix_init(&shsurf->workspace_transform.matrix); weston_matrix_translate(&shsurf->workspace_transform.matrix, 0.0, d, 0.0); surface->geometry.dirty = 1; } static void workspace_translate_out(struct workspace *ws, double fraction) { struct weston_surface *surface; unsigned int height; double d; wl_list_for_each(surface, &ws->layer.surface_list, layer_link) { height = get_output_height(surface->output); d = height * fraction; surface_translate(surface, d); } } static void workspace_translate_in(struct workspace *ws, double fraction) { struct weston_surface *surface; unsigned int height; double d; wl_list_for_each(surface, &ws->layer.surface_list, layer_link) { height = get_output_height(surface->output); if (fraction > 0) d = -(height - height * fraction); else d = height + height * fraction; surface_translate(surface, d); } } static void workspace_damage_all_surfaces(struct workspace *ws) { struct weston_surface *surface; wl_list_for_each(surface, &ws->layer.surface_list, layer_link) weston_surface_damage(surface); } static void reverse_workspace_change_animation(struct desktop_shell *shell, unsigned int index, struct workspace *from, struct workspace *to) { shell->workspaces.current = index; shell->workspaces.anim_to = to; shell->workspaces.anim_from = from; shell->workspaces.anim_dir = -1 * shell->workspaces.anim_dir; shell->workspaces.anim_timestamp = 0; push_focus_state(shell, from); pop_focus_state(shell, to); workspace_damage_all_surfaces(from); workspace_damage_all_surfaces(to); } static void workspace_deactivate_transforms(struct workspace *ws) { struct weston_surface *surface; struct shell_surface *shsurf; wl_list_for_each(surface, &ws->layer.surface_list, layer_link) { shsurf = get_shell_surface(surface); wl_list_remove(&shsurf->workspace_transform.link); wl_list_init(&shsurf->workspace_transform.link); shsurf->surface->geometry.dirty = 1; } } static void finish_workspace_change_animation(struct desktop_shell *shell, struct workspace *from, struct workspace *to) { workspace_damage_all_surfaces(from); workspace_damage_all_surfaces(to); wl_list_remove(&shell->workspaces.animation.link); workspace_deactivate_transforms(from); workspace_deactivate_transforms(to); shell->workspaces.anim_to = NULL; wl_list_remove(&shell->workspaces.anim_from->layer.link); } static void animate_workspace_change_frame(struct weston_animation *animation, struct weston_output *output, uint32_t msecs) { struct desktop_shell *shell = container_of(animation, struct desktop_shell, workspaces.animation); struct workspace *from = shell->workspaces.anim_from; struct workspace *to = shell->workspaces.anim_to; uint32_t t; double x, y; if (workspace_is_empty(from) && workspace_is_empty(to)) { finish_workspace_change_animation(shell, from, to); return; } if (shell->workspaces.anim_timestamp == 0) { if (shell->workspaces.anim_current == 0.0) shell->workspaces.anim_timestamp = msecs; else shell->workspaces.anim_timestamp = msecs - /* Invers of movement function 'y' below. */ (asin(1.0 - shell->workspaces.anim_current) * DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH * M_2_PI); } t = msecs - shell->workspaces.anim_timestamp; /* * x = [0, π/2] * y(x) = sin(x) */ x = t * (1.0/DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH) * M_PI_2; y = sin(x); if (t < DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH) { workspace_damage_all_surfaces(from); workspace_damage_all_surfaces(to); workspace_translate_out(from, shell->workspaces.anim_dir * y); workspace_translate_in(to, shell->workspaces.anim_dir * y); shell->workspaces.anim_current = y; workspace_damage_all_surfaces(from); workspace_damage_all_surfaces(to); } else finish_workspace_change_animation(shell, from, to); } static void animate_workspace_change(struct desktop_shell *shell, unsigned int index, struct workspace *from, struct workspace *to) { struct weston_output *output; int dir; if (index > shell->workspaces.current) dir = -1; else dir = 1; shell->workspaces.current = index; shell->workspaces.anim_dir = dir; shell->workspaces.anim_from = from; shell->workspaces.anim_to = to; shell->workspaces.anim_current = 0.0; shell->workspaces.anim_timestamp = 0; output = container_of(shell->compositor->output_list.next, struct weston_output, link); wl_list_insert(&output->animation_list, &shell->workspaces.animation.link); wl_list_insert(&from->layer.link, &to->layer.link); workspace_translate_in(to, 0); push_focus_state(shell, from); pop_focus_state(shell, to); workspace_damage_all_surfaces(from); workspace_damage_all_surfaces(to); } static void change_workspace(struct desktop_shell *shell, unsigned int index) { struct workspace *from; struct workspace *to; if (index == shell->workspaces.current) return; /* Don't change workspace when there is any fullscreen surfaces. */ if (!wl_list_empty(&shell->fullscreen_layer.surface_list)) return; from = get_current_workspace(shell); to = get_workspace(shell, index); if (shell->workspaces.anim_from == to && shell->workspaces.anim_to == from) { reverse_workspace_change_animation(shell, index, from, to); return; } if (shell->workspaces.anim_to != NULL) finish_workspace_change_animation(shell, shell->workspaces.anim_from, shell->workspaces.anim_to); if (workspace_is_empty(to) && workspace_is_empty(from)) { shell->workspaces.current = index; wl_list_insert(&from->layer.link, &to->layer.link); wl_list_remove(&from->layer.link); push_focus_state(shell, from); pop_focus_state(shell, to); } else animate_workspace_change(shell, index, from, to); } static void noop_grab_focus(struct wl_pointer_grab *grab, struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y) { grab->focus = NULL; } static void move_grab_motion(struct wl_pointer_grab *grab, uint32_t time, wl_fixed_t x, wl_fixed_t y) { struct weston_move_grab *move = (struct weston_move_grab *) grab; struct wl_pointer *pointer = grab->pointer; struct shell_surface *shsurf = move->base.shsurf; struct weston_surface *es; int dx = wl_fixed_to_int(pointer->x + move->dx); int dy = wl_fixed_to_int(pointer->y + move->dy); if (!shsurf) return; es = shsurf->surface; weston_surface_configure(es, dx, dy, es->geometry.width, es->geometry.height); weston_compositor_schedule_repaint(es->compositor); } static void move_grab_button(struct wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state_w) { struct shell_grab *shell_grab = container_of(grab, struct shell_grab, grab); struct wl_pointer *pointer = grab->pointer; enum wl_pointer_button_state state = state_w; if (pointer->button_count == 0 && state == WL_POINTER_BUTTON_STATE_RELEASED) { shell_grab_finish(shell_grab); wl_pointer_end_grab(pointer); free(grab); } } static const struct wl_pointer_grab_interface move_grab_interface = { noop_grab_focus, move_grab_motion, move_grab_button, }; static void busy_cursor_grab_focus(struct wl_pointer_grab *base, struct wl_surface *surface, int32_t x, int32_t y) { struct shell_grab *grab = (struct shell_grab *) base; struct wl_pointer *pointer = base->pointer; if (grab->grab.focus != surface) { shell_grab_finish(grab); wl_pointer_end_grab(pointer); free(grab); } } static void busy_cursor_grab_motion(struct wl_pointer_grab *grab, uint32_t time, int32_t x, int32_t y) { } static void busy_cursor_grab_button(struct wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state) { } static const struct wl_pointer_grab_interface busy_cursor_grab_interface = { busy_cursor_grab_focus, busy_cursor_grab_motion, busy_cursor_grab_button, }; static void set_busy_cursor(struct shell_surface *shsurf, struct wl_pointer *pointer) { struct shell_grab *grab; struct desktop_shell *shell = shsurf->shell; grab = malloc(sizeof *grab); if (!grab) return; shell_grab_init(grab, &busy_cursor_grab_interface, shsurf); grab->grab.focus = &shsurf->surface->surface; wl_pointer_start_grab(pointer, &grab->grab); wl_pointer_set_focus(pointer, &shell->busy_surface->surface, 0, 0); } static void end_busy_cursor(struct shell_surface *shsurf, struct wl_pointer *pointer) { struct shell_grab *grab = (struct shell_grab *) pointer->grab; if (grab->grab.interface == &busy_cursor_grab_interface) { shell_grab_finish(grab); wl_pointer_end_grab(pointer); free(grab); } } static void ping_timer_destroy(struct shell_surface *shsurf) { if (!shsurf || !shsurf->ping_timer) return; if (shsurf->ping_timer->source) wl_event_source_remove(shsurf->ping_timer->source); free(shsurf->ping_timer); shsurf->ping_timer = NULL; } static int ping_timeout_handler(void *data) { struct shell_surface *shsurf = data; struct weston_seat *seat; /* Client is not responding */ shsurf->unresponsive = 1; wl_list_for_each(seat, &shsurf->surface->compositor->seat_list, link) if (seat->seat.pointer->focus == &shsurf->surface->surface) set_busy_cursor(shsurf, seat->seat.pointer); return 1; } static void ping_handler(struct weston_surface *surface, uint32_t serial) { struct shell_surface *shsurf = get_shell_surface(surface); struct wl_event_loop *loop; int ping_timeout = 200; if (!shsurf) return; if (!shsurf->resource.client) return; if (!shsurf->ping_timer) { shsurf->ping_timer = malloc(sizeof *shsurf->ping_timer); if (!shsurf->ping_timer) return; shsurf->ping_timer->serial = serial; loop = wl_display_get_event_loop(surface->compositor->wl_display); shsurf->ping_timer->source = wl_event_loop_add_timer(loop, ping_timeout_handler, shsurf); wl_event_source_timer_update(shsurf->ping_timer->source, ping_timeout); wl_shell_surface_send_ping(&shsurf->resource, serial); } } static void handle_pointer_focus(struct wl_listener *listener, void *data) { struct wl_pointer *pointer = data; struct weston_surface *surface = (struct weston_surface *) pointer->focus; struct weston_compositor *compositor; struct shell_surface *shsurf; uint32_t serial; if (!surface) return; compositor = surface->compositor; shsurf = get_shell_surface(surface); if (shsurf && shsurf->unresponsive) { set_busy_cursor(shsurf, pointer); } else { serial = wl_display_next_serial(compositor->wl_display); ping_handler(surface, serial); } } static void shell_surface_pong(struct wl_client *client, struct wl_resource *resource, uint32_t serial) { struct shell_surface *shsurf = resource->data; struct desktop_shell *shell = shsurf->shell; struct weston_seat *seat; struct weston_compositor *ec = shsurf->surface->compositor; struct wl_pointer *pointer; int was_unresponsive; if (shsurf->ping_timer->serial == serial) { was_unresponsive = shsurf->unresponsive; shsurf->unresponsive = 0; if (was_unresponsive) { /* Received pong from previously unresponsive client */ wl_list_for_each(seat, &ec->seat_list, link) { pointer = seat->seat.pointer; if (pointer->focus == &shell->busy_surface->surface && pointer->current == &shsurf->surface->surface) end_busy_cursor(shsurf, pointer); } } ping_timer_destroy(shsurf); } } static void shell_surface_set_title(struct wl_client *client, struct wl_resource *resource, const char *title) { struct shell_surface *shsurf = resource->data; free(shsurf->title); shsurf->title = strdup(title); } static void shell_surface_set_class(struct wl_client *client, struct wl_resource *resource, const char *class) { struct shell_surface *shsurf = resource->data; free(shsurf->class); shsurf->class = strdup(class); } static int surface_move(struct shell_surface *shsurf, struct weston_seat *ws) { struct weston_move_grab *move; if (!shsurf) return -1; move = malloc(sizeof *move); if (!move) return -1; shell_grab_init(&move->base, &move_grab_interface, shsurf); move->dx = wl_fixed_from_double(shsurf->surface->geometry.x) - ws->seat.pointer->grab_x; move->dy = wl_fixed_from_double(shsurf->surface->geometry.y) - ws->seat.pointer->grab_y; wl_pointer_start_grab(ws->seat.pointer, &move->base.grab); wl_pointer_set_focus(ws->seat.pointer, NULL, wl_fixed_from_int(0), wl_fixed_from_int(0)); return 0; } static void shell_surface_move(struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial) { struct weston_seat *ws = seat_resource->data; struct shell_surface *shsurf = resource->data; if (ws->seat.pointer->button_count == 0 || ws->seat.pointer->grab_serial != serial || ws->seat.pointer->focus != &shsurf->surface->surface) return; if (surface_move(shsurf, ws) < 0) wl_resource_post_no_memory(resource); } struct weston_resize_grab { struct shell_grab base; uint32_t edges; int32_t width, height; }; static void resize_grab_motion(struct wl_pointer_grab *grab, uint32_t time, wl_fixed_t x, wl_fixed_t y) { struct weston_resize_grab *resize = (struct weston_resize_grab *) grab; struct wl_pointer *pointer = grab->pointer; struct shell_surface *shsurf = resize->base.shsurf; int32_t width, height; wl_fixed_t from_x, from_y; wl_fixed_t to_x, to_y; if (!shsurf) return; weston_surface_from_global_fixed(shsurf->surface, pointer->grab_x, pointer->grab_y, &from_x, &from_y); weston_surface_from_global_fixed(shsurf->surface, pointer->x, pointer->y, &to_x, &to_y); width = resize->width; if (resize->edges & WL_SHELL_SURFACE_RESIZE_LEFT) { width += wl_fixed_to_int(from_x - to_x); } else if (resize->edges & WL_SHELL_SURFACE_RESIZE_RIGHT) { width += wl_fixed_to_int(to_x - from_x); } height = resize->height; if (resize->edges & WL_SHELL_SURFACE_RESIZE_TOP) { height += wl_fixed_to_int(from_y - to_y); } else if (resize->edges & WL_SHELL_SURFACE_RESIZE_BOTTOM) { height += wl_fixed_to_int(to_y - from_y); } shsurf->client->send_configure(shsurf->surface, resize->edges, width, height); } static void send_configure(struct weston_surface *surface, uint32_t edges, int32_t width, int32_t height) { struct shell_surface *shsurf = get_shell_surface(surface); wl_shell_surface_send_configure(&shsurf->resource, edges, width, height); } static const struct weston_shell_client shell_client = { send_configure }; static void resize_grab_button(struct wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state_w) { struct weston_resize_grab *resize = (struct weston_resize_grab *) grab; struct wl_pointer *pointer = grab->pointer; enum wl_pointer_button_state state = state_w; if (pointer->button_count == 0 && state == WL_POINTER_BUTTON_STATE_RELEASED) { shell_grab_finish(&resize->base); wl_pointer_end_grab(pointer); free(grab); } } static const struct wl_pointer_grab_interface resize_grab_interface = { noop_grab_focus, resize_grab_motion, resize_grab_button, }; static int surface_resize(struct shell_surface *shsurf, struct weston_seat *ws, uint32_t edges) { struct weston_resize_grab *resize; if (shsurf->type == SHELL_SURFACE_FULLSCREEN) return 0; if (edges == 0 || edges > 15 || (edges & 3) == 3 || (edges & 12) == 12) return 0; resize = malloc(sizeof *resize); if (!resize) return -1; shell_grab_init(&resize->base, &resize_grab_interface, shsurf); resize->edges = edges; resize->width = shsurf->surface->geometry.width; resize->height = shsurf->surface->geometry.height; wl_pointer_start_grab(ws->seat.pointer, &resize->base.grab); wl_pointer_set_focus(ws->seat.pointer, NULL, wl_fixed_from_int(0), wl_fixed_from_int(0)); return 0; } static void shell_surface_resize(struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, uint32_t edges) { struct weston_seat *ws = seat_resource->data; struct shell_surface *shsurf = resource->data; if (shsurf->type == SHELL_SURFACE_FULLSCREEN) return; if (ws->seat.pointer->button_count == 0 || ws->seat.pointer->grab_serial != serial || ws->seat.pointer->focus != &shsurf->surface->surface) return; if (surface_resize(shsurf, ws, 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 void shell_unset_fullscreen(struct shell_surface *shsurf) { /* undo all fullscreen things here */ if (shsurf->fullscreen.type == WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER && shell_surface_is_top_fullscreen(shsurf)) { weston_output_switch_mode(shsurf->fullscreen_output, shsurf->fullscreen_output->origin); } shsurf->fullscreen.type = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT; shsurf->fullscreen.framerate = 0; wl_list_remove(&shsurf->fullscreen.transform.link); wl_list_init(&shsurf->fullscreen.transform.link); if (shsurf->fullscreen.black_surface) weston_surface_destroy(shsurf->fullscreen.black_surface); shsurf->fullscreen.black_surface = NULL; shsurf->fullscreen_output = NULL; weston_surface_set_position(shsurf->surface, shsurf->saved_x, shsurf->saved_y); if (shsurf->saved_rotation_valid) { wl_list_insert(&shsurf->surface->geometry.transformation_list, &shsurf->rotation.transform.link); shsurf->saved_rotation_valid = false; } } static int reset_shell_surface_type(struct shell_surface *surface) { switch (surface->type) { case SHELL_SURFACE_FULLSCREEN: shell_unset_fullscreen(surface); 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 set_surface_type(struct shell_surface *shsurf) { struct weston_surface *surface = shsurf->surface; struct shell_surface *pshsurf = shsurf->parent; struct weston_surface *pes; struct shell_surface *priv; struct desktop_shell *shell = shsurf->shell; reset_shell_surface_type(shsurf); shsurf->type = shsurf->next_type; shsurf->next_type = SHELL_SURFACE_NONE; switch (shsurf->type) { case SHELL_SURFACE_TOPLEVEL: break; case SHELL_SURFACE_TRANSIENT: pes = pshsurf->surface; weston_surface_set_position(surface, pes->geometry.x + shsurf->transient.x, pes->geometry.y + shsurf->transient.y); break; case SHELL_SURFACE_MAXIMIZED: shsurf->saved_x = surface->geometry.x; shsurf->saved_y = surface->geometry.y; shsurf->saved_position_valid = true; break; case SHELL_SURFACE_FULLSCREEN: shsurf->saved_x = surface->geometry.x; shsurf->saved_y = surface->geometry.y; shsurf->saved_position_valid = true; if (!wl_list_empty(&shsurf->rotation.transform.link)) { wl_list_remove(&shsurf->rotation.transform.link); wl_list_init(&shsurf->rotation.transform.link); shsurf->surface->geometry.dirty = 1; shsurf->saved_rotation_valid = true; } break; case SHELL_SURFACE_BACKGROUND: wl_list_for_each(priv, &shell->backgrounds, link) { if (priv->output == shsurf->output) { priv->surface->output = NULL; wl_list_remove(&priv->surface->layer_link); wl_list_remove(&priv->link); break; } } wl_list_insert(&shell->backgrounds, &shsurf->link); weston_surface_set_position(surface, shsurf->output->x, shsurf->output->y); break; case SHELL_SURFACE_PANEL: wl_list_for_each(priv, &shell->panels, link) { if (priv->output == shsurf->output) { priv->surface->output = NULL; wl_list_remove(&priv->surface->layer_link); wl_list_remove(&priv->link); break; } } wl_list_insert(&shell->panels, &shsurf->link); weston_surface_set_position(surface, shsurf->output->x, shsurf->output->y); break; default: break; } } static void set_toplevel(struct shell_surface *shsurf) { shsurf->next_type = SHELL_SURFACE_TOPLEVEL; } static void shell_surface_set_toplevel(struct wl_client *client, struct wl_resource *resource) { struct shell_surface *surface = resource->data; set_toplevel(surface); } static void set_transient(struct shell_surface *shsurf, struct shell_surface *pshsurf, int x, int y, uint32_t flags) { /* assign to parents output */ shsurf->parent = pshsurf; shsurf->transient.x = x; shsurf->transient.y = y; shsurf->transient.flags = flags; shsurf->next_type = SHELL_SURFACE_TRANSIENT; } 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 shell_surface *pshsurf = parent_resource->data; set_transient(shsurf, pshsurf, x, y, flags); } static struct desktop_shell * shell_surface_get_shell(struct shell_surface *shsurf) { return shsurf->shell; } static int get_output_panel_height(struct desktop_shell *shell, struct weston_output *output) { struct shell_surface *priv; int panel_height = 0; if (!output) return 0; wl_list_for_each(priv, &shell->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 desktop_shell *shell = 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); shell = shell_surface_get_shell(shsurf); panel_height = get_output_panel_height(shell, es->output); edges = WL_SHELL_SURFACE_RESIZE_TOP|WL_SHELL_SURFACE_RESIZE_LEFT; shsurf->client->send_configure(shsurf->surface, edges, es->output->current->width, es->output->current->height - panel_height); shsurf->next_type = SHELL_SURFACE_MAXIMIZED; } static void black_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy); static struct weston_surface * create_black_surface(struct weston_compositor *ec, struct weston_surface *fs_surface, GLfloat x, GLfloat y, int w, int h) { struct weston_surface *surface = NULL; surface = weston_surface_create(ec); if (surface == NULL) { weston_log("no memory\n"); return NULL; } surface->configure = black_surface_configure; surface->private = fs_surface; weston_surface_configure(surface, x, y, w, h); weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1); return surface; } /* Create black surface and append it to the associated fullscreen surface. * Handle size dismatch and positioning according to the method. */ static void shell_configure_fullscreen(struct shell_surface *shsurf) { struct weston_output *output = shsurf->fullscreen_output; struct weston_surface *surface = shsurf->surface; struct weston_matrix *matrix; float scale; center_on_output(surface, output); if (!shsurf->fullscreen.black_surface) shsurf->fullscreen.black_surface = create_black_surface(surface->compositor, surface, output->x, output->y, output->current->width, output->current->height); wl_list_remove(&shsurf->fullscreen.black_surface->layer_link); wl_list_insert(&surface->layer_link, &shsurf->fullscreen.black_surface->layer_link); shsurf->fullscreen.black_surface->output = output; switch (shsurf->fullscreen.type) { case WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT: break; case WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE: matrix = &shsurf->fullscreen.transform.matrix; weston_matrix_init(matrix); scale = (float)output->current->width/(float)surface->geometry.width; weston_matrix_scale(matrix, scale, scale, 1); wl_list_remove(&shsurf->fullscreen.transform.link); wl_list_insert(surface->geometry.transformation_list.prev, &shsurf->fullscreen.transform.link); weston_surface_set_position(surface, output->x, output->y); break; case WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER: if (shell_surface_is_top_fullscreen(shsurf)) { struct weston_mode mode = {0, surface->geometry.width, surface->geometry.height, shsurf->fullscreen.framerate}; if (weston_output_switch_mode(output, &mode) == 0) { weston_surface_configure(shsurf->fullscreen.black_surface, output->x, output->y, output->current->width, output->current->height); weston_surface_set_position(surface, output->x, output->y); break; } } break; case WL_SHELL_SURFACE_FULLSCREEN_METHOD_FILL: break; default: break; } } /* make the fullscreen and black surface at the top */ static void shell_stack_fullscreen(struct shell_surface *shsurf) { struct weston_output *output = shsurf->fullscreen_output; struct weston_surface *surface = shsurf->surface; struct desktop_shell *shell = shell_surface_get_shell(shsurf); wl_list_remove(&surface->layer_link); wl_list_insert(&shell->fullscreen_layer.surface_list, &surface->layer_link); weston_surface_damage(surface); if (!shsurf->fullscreen.black_surface) shsurf->fullscreen.black_surface = create_black_surface(surface->compositor, surface, output->x, output->y, output->current->width, output->current->height); wl_list_remove(&shsurf->fullscreen.black_surface->layer_link); wl_list_insert(&surface->layer_link, &shsurf->fullscreen.black_surface->layer_link); weston_surface_damage(shsurf->fullscreen.black_surface); } static void shell_map_fullscreen(struct shell_surface *shsurf) { shell_stack_fullscreen(shsurf); shell_configure_fullscreen(shsurf); } 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; if (output_resource) shsurf->output = output_resource->data; else shsurf->output = get_default_output(es->compositor); shsurf->fullscreen_output = shsurf->output; shsurf->fullscreen.type = method; shsurf->fullscreen.framerate = framerate; shsurf->next_type = SHELL_SURFACE_FULLSCREEN; shsurf->client->send_configure(shsurf->surface, 0, shsurf->output->current->width, shsurf->output->current->height); } static void popup_grab_focus(struct wl_pointer_grab *grab, struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y) { struct wl_pointer *pointer = grab->pointer; 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_pointer_set_focus(pointer, surface, x, y); grab->focus = surface; } else { wl_pointer_set_focus(pointer, NULL, wl_fixed_from_int(0), wl_fixed_from_int(0)); grab->focus = NULL; } } static void popup_grab_motion(struct wl_pointer_grab *grab, uint32_t time, wl_fixed_t sx, wl_fixed_t sy) { struct wl_resource *resource; resource = grab->pointer->focus_resource; if (resource) wl_pointer_send_motion(resource, time, sx, sy); } static void popup_grab_button(struct wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state_w) { struct wl_resource *resource; struct shell_surface *shsurf = container_of(grab, struct shell_surface, popup.grab); struct wl_display *display; enum wl_pointer_button_state state = state_w; uint32_t serial; resource = grab->pointer->focus_resource; if (resource) { display = wl_client_get_display(resource->client); serial = wl_display_get_serial(display); wl_pointer_send_button(resource, serial, time, button, state); } else if (state == WL_POINTER_BUTTON_STATE_RELEASED && (shsurf->popup.initial_up || time - shsurf->popup.seat->pointer->grab_time > 500)) { wl_shell_surface_send_popup_done(&shsurf->resource); wl_pointer_end_grab(grab->pointer); shsurf->popup.grab.pointer = NULL; } if (state == WL_POINTER_BUTTON_STATE_RELEASED) 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) { struct wl_seat *seat = shsurf->popup.seat; struct weston_surface *es = shsurf->surface; struct weston_surface *parent = shsurf->parent->surface; es->output = parent->output; shsurf->popup.grab.interface = &popup_grab_interface; 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.initial_up = 0; /* We don't require the grab to still be active, but if another * grab has started in the meantime, we end the popup now. */ if (seat->pointer->grab_serial == shsurf->popup.serial) { wl_pointer_start_grab(seat->pointer, &shsurf->popup.grab); } else { wl_shell_surface_send_popup_done(&shsurf->resource); } } static void shell_surface_set_popup(struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, 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.seat = seat_resource->data; shsurf->popup.serial = serial; shsurf->popup.x = x; shsurf->popup.y = y; } static const struct wl_shell_surface_interface shell_surface_implementation = { shell_surface_pong, 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, shell_surface_set_title, shell_surface_set_class }; static void destroy_shell_surface(struct shell_surface *shsurf) { if (shsurf->popup.grab.pointer) wl_pointer_end_grab(shsurf->popup.grab.pointer); if (shsurf->fullscreen.type == WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER && shell_surface_is_top_fullscreen(shsurf)) { weston_output_switch_mode(shsurf->fullscreen_output, shsurf->fullscreen_output->origin); } if (shsurf->fullscreen.black_surface) weston_surface_destroy(shsurf->fullscreen.black_surface); /* As destroy_resource() use wl_list_for_each_safe(), * we can always remove the listener. */ wl_list_remove(&shsurf->surface_destroy_listener.link); shsurf->surface->configure = NULL; ping_timer_destroy(shsurf); wl_list_remove(&shsurf->link); free(shsurf); } static void shell_destroy_shell_surface(struct wl_resource *resource) { struct shell_surface *shsurf = resource->data; destroy_shell_surface(shsurf); } static void shell_handle_surface_destroy(struct wl_listener *listener, void *data) { struct shell_surface *shsurf = container_of(listener, struct shell_surface, surface_destroy_listener); if (shsurf->resource.client) { wl_resource_destroy(&shsurf->resource); } else { wl_signal_emit(&shsurf->resource.destroy_signal, &shsurf->resource); destroy_shell_surface(shsurf); } } static void shell_surface_configure(struct weston_surface *, int32_t, int32_t); static struct shell_surface * get_shell_surface(struct weston_surface *surface) { if (surface->configure == shell_surface_configure) return surface->private; else return NULL; } static struct shell_surface * create_shell_surface(void *shell, struct weston_surface *surface, const struct weston_shell_client *client) { struct shell_surface *shsurf; if (surface->configure) { weston_log("surface->configure already set\n"); return NULL; } shsurf = calloc(1, sizeof *shsurf); if (!shsurf) { weston_log("no memory to allocate shell surface\n"); return NULL; } surface->configure = shell_surface_configure; surface->private = shsurf; surface->compositor->shell_interface.shell = shell; shsurf->shell = (struct desktop_shell *) shell; shsurf->unresponsive = 0; shsurf->saved_position_valid = false; shsurf->saved_rotation_valid = false; shsurf->surface = surface; shsurf->fullscreen.type = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT; shsurf->fullscreen.framerate = 0; shsurf->fullscreen.black_surface = NULL; shsurf->ping_timer = NULL; wl_list_init(&shsurf->fullscreen.transform.link); wl_signal_init(&shsurf->resource.destroy_signal); shsurf->surface_destroy_listener.notify = shell_handle_surface_destroy; wl_signal_add(&surface->surface.resource.destroy_signal, &shsurf->surface_destroy_listener); /* 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); wl_list_init(&shsurf->workspace_transform.link); shsurf->type = SHELL_SURFACE_NONE; shsurf->next_type = SHELL_SURFACE_NONE; shsurf->client = client; return shsurf; } 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 desktop_shell *shell = resource->data; struct shell_surface *shsurf; if (get_shell_surface(surface)) { wl_resource_post_error(surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "desktop_shell::get_shell_surface already requested"); return; } shsurf = create_shell_surface(shell, surface, &shell_client); if (!shsurf) { wl_resource_post_error(surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "surface->configure already set"); return; } shsurf->resource.destroy = shell_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; 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 desktop_shell *shell) { if (shell->screensaver.binding) return; if (!shell->screensaver.path) return; if (shell->screensaver.process.pid != 0) { weston_log("old screensaver still running\n"); return; } weston_client_launch(shell->compositor, &shell->screensaver.process, shell->screensaver.path, handle_screensaver_sigchld); } static void terminate_screensaver(struct desktop_shell *shell) { if (shell->screensaver.process.pid == 0) return; kill(shell->screensaver.process.pid, SIGTERM); } static void show_screensaver(struct desktop_shell *shell, struct shell_surface *surface) { struct wl_list *list; if (shell->lock_surface) list = &shell->lock_surface->surface->layer_link; else list = &shell->lock_layer.surface_list; wl_list_remove(&surface->surface->layer_link); wl_list_insert(list, &surface->surface->layer_link); surface->surface->output = surface->output; weston_surface_damage(surface->surface); } static void hide_screensaver(struct desktop_shell *shell, struct shell_surface *surface) { wl_list_remove(&surface->surface->layer_link); wl_list_init(&surface->surface->layer_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 shell_surface *shsurf = surface_resource->data; shsurf->next_type = SHELL_SURFACE_BACKGROUND; shsurf->output = output_resource->data; desktop_shell_send_configure(resource, 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 shell_surface *shsurf = surface_resource->data; shsurf->next_type = SHELL_SURFACE_PANEL; shsurf->output = output_resource->data; desktop_shell_send_configure(resource, 0, surface_resource, shsurf->output->current->width, shsurf->output->current->height); } static void handle_lock_surface_destroy(struct wl_listener *listener, void *data) { struct desktop_shell *shell = container_of(listener, struct desktop_shell, lock_surface_listener); weston_log("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 desktop_shell *shell = resource->data; struct shell_surface *surface = surface_resource->data; shell->prepare_event_sent = false; if (!shell->locked) return; shell->lock_surface = surface; shell->lock_surface_listener.notify = handle_lock_surface_destroy; wl_signal_add(&surface_resource->destroy_signal, &shell->lock_surface_listener); shell->lock_surface->next_type = SHELL_SURFACE_LOCK; } static void resume_desktop(struct desktop_shell *shell) { struct shell_surface *tmp; wl_list_for_each(tmp, &shell->screensaver.surfaces, link) hide_screensaver(shell, tmp); terminate_screensaver(shell); wl_list_remove(&shell->lock_layer.link); wl_list_insert(&shell->compositor->cursor_layer.link, &shell->fullscreen_layer.link); wl_list_insert(&shell->fullscreen_layer.link, &shell->panel_layer.link); pop_focus_state(shell, get_current_workspace(shell)); shell->locked = false; 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 desktop_shell *shell = resource->data; shell->prepare_event_sent = false; if (shell->locked) resume_desktop(shell); } static void desktop_shell_set_busy_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface_resource) { struct desktop_shell *shell = resource->data; shell->busy_surface = surface_resource->data; } 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, desktop_shell_set_busy_surface }; 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_seat *seat, uint32_t time, uint32_t button, void *data) { struct weston_surface *surface = (struct weston_surface *) seat->pointer->focus; struct shell_surface *shsurf; if (surface == NULL) return; shsurf = get_shell_surface(surface); if (shsurf == NULL) return; switch (shsurf->type) { case SHELL_SURFACE_PANEL: case SHELL_SURFACE_BACKGROUND: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_SCREENSAVER: return; default: break; } surface_move(shsurf, (struct weston_seat *) seat); } static void resize_binding(struct wl_seat *seat, uint32_t time, uint32_t button, void *data) { struct weston_surface *surface = (struct weston_surface *) seat->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, wl_fixed_to_int(seat->pointer->grab_x), wl_fixed_to_int(seat->pointer->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; surface_resize(shsurf, (struct weston_seat *) seat, edges); } static void surface_opacity_binding(struct wl_seat *seat, uint32_t time, uint32_t axis, wl_fixed_t value, void *data) { float step = 0.05; struct shell_surface *shsurf; struct weston_surface *surface = (struct weston_surface *) seat->pointer->focus; if (surface == NULL) return; shsurf = get_shell_surface(surface); if (!shsurf) return; switch (shsurf->type) { case SHELL_SURFACE_BACKGROUND: case SHELL_SURFACE_SCREENSAVER: return; default: break; } surface->alpha += wl_fixed_to_double(value) * step; if (surface->alpha > 1.0) surface->alpha = 1.0; if (surface->alpha < step) surface->alpha = step; surface->geometry.dirty = 1; weston_surface_damage(surface); } static void do_zoom(struct wl_seat *seat, uint32_t time, uint32_t key, uint32_t axis, wl_fixed_t value) { struct weston_seat *ws = (struct weston_seat *) seat; struct weston_compositor *compositor = ws->compositor; struct weston_output *output; float increment; wl_list_for_each(output, &compositor->output_list, link) { if (pixman_region32_contains_point(&output->region, wl_fixed_to_double(seat->pointer->x), wl_fixed_to_double(seat->pointer->y), NULL)) { if (key == KEY_PAGEUP) increment = output->zoom.increment; else if (key == KEY_PAGEDOWN) increment = -output->zoom.increment; else if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL) increment = output->zoom.increment * wl_fixed_to_double(value); else increment = 0; output->zoom.level += increment; if (output->zoom.level < 0.0) output->zoom.level = 0.0; else if (output->zoom.level > output->zoom.max_level) output->zoom.level = output->zoom.max_level; else output->zoom.active = 1; output->zoom.spring_z.target = output->zoom.level; weston_output_update_zoom(output, output->zoom.type); } } } static void zoom_axis_binding(struct wl_seat *seat, uint32_t time, uint32_t axis, wl_fixed_t value, void *data) { do_zoom(seat, time, 0, axis, value); } static void zoom_key_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { do_zoom(seat, time, key, 0, 0); } static void terminate_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct weston_compositor *compositor = data; wl_display_terminate(compositor->wl_display); } static void rotate_grab_motion(struct wl_pointer_grab *grab, uint32_t time, wl_fixed_t x, wl_fixed_t y) { struct rotate_grab *rotate = container_of(grab, struct rotate_grab, base.grab); struct wl_pointer *pointer = grab->pointer; struct shell_surface *shsurf = rotate->base.shsurf; struct weston_surface *surface; GLfloat cx, cy, dx, dy, cposx, cposy, dposx, dposy, r; if (!shsurf) return; surface = shsurf->surface; cx = 0.5f * surface->geometry.width; cy = 0.5f * surface->geometry.height; dx = wl_fixed_to_double(pointer->x) - rotate->center.x; dy = wl_fixed_to_double(pointer->y) - rotate->center.y; r = sqrtf(dx * dx + dy * dy); wl_list_remove(&shsurf->rotation.transform.link); shsurf->surface->geometry.dirty = 1; if (r > 20.0f) { struct weston_matrix *matrix = &shsurf->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, &shsurf->rotation.rotation); weston_matrix_multiply(matrix, &rotate->rotation); weston_matrix_translate(matrix, cx, cy, 0.0f); wl_list_insert( &shsurf->surface->geometry.transformation_list, &shsurf->rotation.transform.link); } else { wl_list_init(&shsurf->rotation.transform.link); weston_matrix_init(&shsurf->rotation.rotation); weston_matrix_init(&rotate->rotation); } /* We need to adjust the position of the surface * in case it was resized in a rotated state before */ cposx = surface->geometry.x + cx; cposy = surface->geometry.y + cy; dposx = rotate->center.x - cposx; dposy = rotate->center.y - cposy; if (dposx != 0.0f || dposy != 0.0f) { weston_surface_set_position(surface, surface->geometry.x + dposx, surface->geometry.y + dposy); } /* Repaint implies weston_surface_update_transform(), which * lazily applies the damage due to rotation update. */ weston_compositor_schedule_repaint(shsurf->surface->compositor); } static void rotate_grab_button(struct wl_pointer_grab *grab, uint32_t time, uint32_t button, uint32_t state_w) { struct rotate_grab *rotate = container_of(grab, struct rotate_grab, base.grab); struct wl_pointer *pointer = grab->pointer; struct shell_surface *shsurf = rotate->base.shsurf; enum wl_pointer_button_state state = state_w; if (pointer->button_count == 0 && state == WL_POINTER_BUTTON_STATE_RELEASED) { if (shsurf) weston_matrix_multiply(&shsurf->rotation.rotation, &rotate->rotation); shell_grab_finish(&rotate->base); wl_pointer_end_grab(pointer); 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_seat *seat, uint32_t time, uint32_t button, void *data) { struct weston_surface *base_surface = (struct weston_surface *) seat->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; shell_grab_init(&rotate->base, &rotate_grab_interface, surface); weston_surface_to_global_float(surface->surface, surface->surface->geometry.width / 2, surface->surface->geometry.height / 2, &rotate->center.x, &rotate->center.y); wl_pointer_start_grab(seat->pointer, &rotate->base.grab); dx = wl_fixed_to_double(seat->pointer->x) - rotate->center.x; dy = wl_fixed_to_double(seat->pointer->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); 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]; } else { weston_matrix_init(&surface->rotation.rotation); weston_matrix_init(&rotate->rotation); } wl_pointer_set_focus(seat->pointer, NULL, wl_fixed_from_int(0), wl_fixed_from_int(0)); } static void lower_fullscreen_layer(struct desktop_shell *shell) { struct workspace *ws; struct weston_surface *surface, *prev; ws = get_current_workspace(shell); wl_list_for_each_reverse_safe(surface, prev, &shell->fullscreen_layer.surface_list, layer_link) weston_surface_restack(surface, &ws->layer.surface_list); } static void activate(struct desktop_shell *shell, struct weston_surface *es, struct weston_seat *seat) { struct workspace *ws; weston_surface_activate(es, seat); switch (get_shell_surface_type(es)) { case SHELL_SURFACE_BACKGROUND: case SHELL_SURFACE_PANEL: case SHELL_SURFACE_LOCK: break; case SHELL_SURFACE_SCREENSAVER: /* always below lock surface */ if (shell->lock_surface) weston_surface_restack(es, &shell->lock_surface->surface->layer_link); break; case SHELL_SURFACE_FULLSCREEN: /* should on top of panels */ shell_stack_fullscreen(get_shell_surface(es)); shell_configure_fullscreen(get_shell_surface(es)); break; default: ws = get_current_workspace(shell); lower_fullscreen_layer(shell); weston_surface_restack(es, &ws->layer.surface_list); break; } } /* no-op func for checking black surface */ static void black_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy) { } static bool is_black_surface (struct weston_surface *es, struct weston_surface **fs_surface) { if (es->configure == black_surface_configure) { if (fs_surface) *fs_surface = (struct weston_surface *)es->private; return true; } return false; } static void click_to_activate_binding(struct wl_seat *seat, uint32_t time, uint32_t button, void *data) { struct weston_seat *ws = (struct weston_seat *) seat; struct desktop_shell *shell = data; struct weston_surface *focus; struct weston_surface *upper; focus = (struct weston_surface *) seat->pointer->focus; if (!focus) return; if (is_black_surface(focus, &upper)) focus = upper; if (seat->pointer->grab == &seat->pointer->default_grab) activate(shell, focus, ws); } static void lock(struct wl_listener *listener, void *data) { struct desktop_shell *shell = container_of(listener, struct desktop_shell, lock_listener); struct shell_surface *shsurf; struct weston_output *output; if (shell->locked) { wl_list_for_each(output, &shell->compositor->output_list, link) /* TODO: find a way to jump to other DPMS levels */ if (output->set_dpms) output->set_dpms(output, WESTON_DPMS_STANDBY); return; } shell->locked = true; /* Hide all surfaces by removing the fullscreen, panel and * toplevel layers. This way nothing else can show or receive * input events while we are locked. */ wl_list_remove(&shell->panel_layer.link); wl_list_remove(&shell->fullscreen_layer.link); wl_list_insert(&shell->compositor->cursor_layer.link, &shell->lock_layer.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_schedule_repaint(shell->compositor); /* stash keyboard foci in current workspace */ push_focus_state(shell, get_current_workspace(shell)); /* TODO: disable bindings that should not work while locked. */ /* All this must be undone in resume_desktop(). */ } static void unlock(struct wl_listener *listener, void *data) { struct desktop_shell *shell = container_of(listener, struct desktop_shell, unlock_listener); 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; desktop_shell_send_prepare_lock_surface(shell->child.desktop_shell); 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 desktop_shell *shell, struct weston_surface *surface, int32_t width, int32_t height, int32_t sx, int32_t sy) { struct weston_compositor *compositor = shell->compositor; struct shell_surface *shsurf = get_shell_surface(surface); enum shell_surface_type surface_type = shsurf->type; struct weston_surface *parent; struct weston_seat *seat; struct workspace *ws; int panel_height = 0; surface->geometry.width = width; surface->geometry.height = height; surface->geometry.dirty = 1; /* 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: center_on_output(surface, shsurf->fullscreen_output); break; case SHELL_SURFACE_FULLSCREEN: shell_map_fullscreen(shsurf); 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); 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(&shell->background_layer.surface_list, &surface->layer_link); break; case SHELL_SURFACE_PANEL: /* panel always on top, hidden while locked */ wl_list_insert(&shell->panel_layer.surface_list, &surface->layer_link); break; case SHELL_SURFACE_LOCK: /* lock surface always visible, on top */ wl_list_insert(&shell->lock_layer.surface_list, &surface->layer_link); weston_compositor_wake(compositor); 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; } break; case SHELL_SURFACE_POPUP: case SHELL_SURFACE_TRANSIENT: parent = shsurf->parent->surface; wl_list_insert(parent->layer_link.prev, &surface->layer_link); break; case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_NONE: break; default: ws = get_current_workspace(shell); wl_list_insert(&ws->layer.surface_list, &surface->layer_link); break; } if (surface_type != SHELL_SURFACE_NONE) { weston_surface_assign_output(surface); if (surface_type == SHELL_SURFACE_MAXIMIZED) surface->output = shsurf->output; } switch (surface_type) { case SHELL_SURFACE_TRANSIENT: if (shsurf->transient.flags == WL_SHELL_SURFACE_TRANSIENT_INACTIVE) break; case SHELL_SURFACE_TOPLEVEL: case SHELL_SURFACE_FULLSCREEN: case SHELL_SURFACE_MAXIMIZED: if (!shell->locked) { wl_list_for_each(seat, &compositor->seat_list, link) activate(shell, surface, seat); } break; default: break; } if (surface_type == SHELL_SURFACE_TOPLEVEL) { switch (shell->win_animation_type) { case ANIMATION_FADE: weston_fade_run(surface, NULL, NULL); break; case ANIMATION_ZOOM: weston_zoom_run(surface, 0.8, 1.0, NULL, NULL); break; default: break; } } } static void configure(struct desktop_shell *shell, struct weston_surface *surface, GLfloat x, GLfloat y, int32_t width, int32_t height) { 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: center_on_output(surface, shsurf->fullscreen_output); break; case SHELL_SURFACE_FULLSCREEN: shell_stack_fullscreen(shsurf); shell_configure_fullscreen(shsurf); 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; case SHELL_SURFACE_TOPLEVEL: 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 void shell_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy) { struct shell_surface *shsurf = get_shell_surface(es); struct desktop_shell *shell = shsurf->shell; int type_changed = 0; if (shsurf->next_type != SHELL_SURFACE_NONE && shsurf->type != shsurf->next_type) { set_surface_type(shsurf); type_changed = 1; } if (!weston_surface_is_mapped(es)) { map(shell, es, es->buffer->width, es->buffer->height, sx, sy); } else if (type_changed || sx != 0 || sy != 0 || es->geometry.width != es->buffer->width || es->geometry.height != es->buffer->height) { GLfloat from_x, from_y; GLfloat to_x, to_y; weston_surface_to_global_float(es, 0, 0, &from_x, &from_y); weston_surface_to_global_float(es, sx, sy, &to_x, &to_y); configure(shell, es, es->geometry.x + to_x - from_x, es->geometry.y + to_y - from_y, es->buffer->width, es->buffer->height); } } static int launch_desktop_shell_process(struct desktop_shell *shell); static void desktop_shell_sigchld(struct weston_process *process, int status) { uint32_t time; struct desktop_shell *shell = container_of(process, struct desktop_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) { weston_log("weston-desktop-shell died, giving up.\n"); return; } weston_log("weston-desktop-shell died, respawning...\n"); launch_desktop_shell_process(shell); } static int launch_desktop_shell_process(struct desktop_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 desktop_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 desktop_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 desktop_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); } 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 desktop_shell *shell = resource->data; struct shell_surface *surface = shell_surface_resource->data; struct weston_output *output = output_resource->data; surface->next_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 desktop_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 desktop_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); } struct switcher { struct desktop_shell *shell; struct weston_surface *current; struct wl_listener listener; struct wl_keyboard_grab grab; }; static void switcher_next(struct switcher *switcher) { struct weston_surface *surface; struct weston_surface *first = NULL, *prev = NULL, *next = NULL; struct shell_surface *shsurf; struct workspace *ws = get_current_workspace(switcher->shell); wl_list_for_each(surface, &ws->layer.surface_list, layer_link) { 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 = 0.25; surface->geometry.dirty = 1; weston_surface_damage(surface); break; default: break; } if (is_black_surface(surface, NULL)) { surface->alpha = 0.25; surface->geometry.dirty = 1; weston_surface_damage(surface); } } if (next == NULL) next = first; if (next == NULL) return; wl_list_remove(&switcher->listener.link); wl_signal_add(&next->surface.resource.destroy_signal, &switcher->listener); switcher->current = next; next->alpha = 1.0; shsurf = get_shell_surface(switcher->current); if (shsurf && shsurf->type ==SHELL_SURFACE_FULLSCREEN) shsurf->fullscreen.black_surface->alpha = 1.0; } static void switcher_handle_surface_destroy(struct wl_listener *listener, void *data) { struct switcher *switcher = container_of(listener, struct switcher, listener); switcher_next(switcher); } static void switcher_destroy(struct switcher *switcher) { struct weston_surface *surface; struct wl_keyboard *keyboard = switcher->grab.keyboard; struct workspace *ws = get_current_workspace(switcher->shell); wl_list_for_each(surface, &ws->layer.surface_list, layer_link) { surface->alpha = 1.0; weston_surface_damage(surface); } if (switcher->current) activate(switcher->shell, switcher->current, (struct weston_seat *) keyboard->seat); wl_list_remove(&switcher->listener.link); wl_keyboard_end_grab(keyboard); free(switcher); } static void switcher_key(struct wl_keyboard_grab *grab, uint32_t time, uint32_t key, uint32_t state_w) { struct switcher *switcher = container_of(grab, struct switcher, grab); enum wl_keyboard_key_state state = state_w; if (key == KEY_TAB && state == WL_KEYBOARD_KEY_STATE_PRESSED) switcher_next(switcher); } static void switcher_modifier(struct wl_keyboard_grab *grab, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group) { struct switcher *switcher = container_of(grab, struct switcher, grab); struct weston_seat *seat = (struct weston_seat *) grab->keyboard->seat; if ((seat->modifier_state & switcher->shell->binding_modifier) == 0) switcher_destroy(switcher); } static const struct wl_keyboard_grab_interface switcher_grab = { switcher_key, switcher_modifier, }; static void switcher_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct desktop_shell *shell = data; struct switcher *switcher; switcher = malloc(sizeof *switcher); switcher->shell = shell; switcher->current = NULL; switcher->listener.notify = switcher_handle_surface_destroy; wl_list_init(&switcher->listener.link); lower_fullscreen_layer(switcher->shell); switcher->grab.interface = &switcher_grab; wl_keyboard_start_grab(seat->keyboard, &switcher->grab); wl_keyboard_set_focus(seat->keyboard, NULL); switcher_next(switcher); } static void backlight_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct weston_compositor *compositor = data; struct weston_output *output; long backlight_new = 0; /* TODO: we're limiting to simple use cases, where we assume just * control on the primary display. We'd have to extend later if we * ever get support for setting backlights on random desktop LCD * panels though */ output = get_default_output(compositor); if (!output) return; if (!output->set_backlight) return; if (key == KEY_F9 || key == KEY_BRIGHTNESSDOWN) backlight_new = output->backlight_current - 25; else if (key == KEY_F10 || key == KEY_BRIGHTNESSUP) backlight_new = output->backlight_current + 25; if (backlight_new < 5) backlight_new = 5; if (backlight_new > 255) backlight_new = 255; output->backlight_current = backlight_new; output->set_backlight(output, output->backlight_current); } static void debug_repaint_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct desktop_shell *shell = data; struct weston_compositor *compositor = shell->compositor; struct weston_surface *surface; if (shell->debug_repaint_surface) { weston_surface_destroy(shell->debug_repaint_surface); shell->debug_repaint_surface = NULL; } else { surface = weston_surface_create(compositor); weston_surface_set_color(surface, 1.0, 0.0, 0.0, 0.2); weston_surface_configure(surface, 0, 0, 8192, 8192); wl_list_insert(&compositor->fade_layer.surface_list, &surface->layer_link); weston_surface_assign_output(surface); pixman_region32_init(&surface->input); /* Here's the dirty little trick that makes the * repaint debugging work: we force an * update_transform first to update dependent state * and clear the geometry.dirty bit. Then we clear * the surface damage so it only gets repainted * piecewise as we repaint other things. */ weston_surface_update_transform(surface); pixman_region32_fini(&surface->damage); pixman_region32_init(&surface->damage); shell->debug_repaint_surface = surface; } } static void force_kill_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct wl_client *client; pid_t pid; uid_t uid; gid_t gid; client = seat->keyboard->focus->resource.client; wl_client_get_credentials(client, &pid, &uid, &gid); kill(pid, SIGKILL); } static void workspace_up_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct desktop_shell *shell = data; unsigned int new_index = shell->workspaces.current; if (new_index != 0) new_index--; change_workspace(shell, new_index); } static void workspace_down_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct desktop_shell *shell = data; unsigned int new_index = shell->workspaces.current; if (new_index < shell->workspaces.num - 1) new_index++; change_workspace(shell, new_index); } static void workspace_f_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) { struct desktop_shell *shell = data; unsigned int new_index; new_index = key - KEY_F1; if (new_index >= shell->workspaces.num) new_index = shell->workspaces.num - 1; change_workspace(shell, new_index); } static void shell_destroy(struct wl_listener *listener, void *data) { struct desktop_shell *shell = container_of(listener, struct desktop_shell, destroy_listener); struct workspace **ws; if (shell->child.client) wl_client_destroy(shell->child.client); wl_list_remove(&shell->lock_listener.link); wl_list_remove(&shell->unlock_listener.link); wl_array_for_each(ws, &shell->workspaces.array) workspace_destroy(*ws); wl_array_release(&shell->workspaces.array); free(shell->screensaver.path); free(shell); } static void shell_add_bindings(struct weston_compositor *ec, struct desktop_shell *shell) { uint32_t mod; int i, num_workspace_bindings; /* fixed bindings */ weston_compositor_add_key_binding(ec, KEY_BACKSPACE, MODIFIER_CTRL | MODIFIER_ALT, terminate_binding, ec); weston_compositor_add_button_binding(ec, BTN_LEFT, 0, click_to_activate_binding, shell); weston_compositor_add_axis_binding(ec, WL_POINTER_AXIS_VERTICAL_SCROLL, MODIFIER_SUPER | MODIFIER_ALT, surface_opacity_binding, NULL); weston_compositor_add_axis_binding(ec, WL_POINTER_AXIS_VERTICAL_SCROLL, MODIFIER_SUPER, zoom_axis_binding, NULL); /* configurable bindings */ mod = shell->binding_modifier; weston_compositor_add_key_binding(ec, KEY_PAGEUP, mod, zoom_key_binding, NULL); weston_compositor_add_key_binding(ec, KEY_PAGEDOWN, mod, zoom_key_binding, NULL); weston_compositor_add_button_binding(ec, BTN_LEFT, mod, move_binding, shell); weston_compositor_add_button_binding(ec, BTN_MIDDLE, mod, resize_binding, shell); weston_compositor_add_button_binding(ec, BTN_RIGHT, mod, rotate_binding, NULL); weston_compositor_add_key_binding(ec, KEY_TAB, mod, switcher_binding, shell); weston_compositor_add_key_binding(ec, KEY_F9, mod, backlight_binding, ec); weston_compositor_add_key_binding(ec, KEY_BRIGHTNESSDOWN, 0, backlight_binding, ec); weston_compositor_add_key_binding(ec, KEY_F10, mod, backlight_binding, ec); weston_compositor_add_key_binding(ec, KEY_BRIGHTNESSUP, 0, backlight_binding, ec); weston_compositor_add_key_binding(ec, KEY_SPACE, mod, debug_repaint_binding, shell); weston_compositor_add_key_binding(ec, KEY_K, mod, force_kill_binding, shell); weston_compositor_add_key_binding(ec, KEY_UP, mod, workspace_up_binding, shell); weston_compositor_add_key_binding(ec, KEY_DOWN, mod, workspace_down_binding, shell); /* Add bindings for mod+F[1-6] for workspace 1 to 6. */ if (shell->workspaces.num > 1) { num_workspace_bindings = shell->workspaces.num; if (num_workspace_bindings > 6) num_workspace_bindings = 6; for (i = 0; i < num_workspace_bindings; i++) weston_compositor_add_key_binding(ec, KEY_F1 + i, mod, workspace_f_binding, shell); } } int shell_init(struct weston_compositor *ec); WL_EXPORT int shell_init(struct weston_compositor *ec) { struct desktop_shell *shell; struct workspace **pws; unsigned int i; shell = malloc(sizeof *shell); if (shell == NULL) return -1; memset(shell, 0, sizeof *shell); shell->compositor = ec; shell->destroy_listener.notify = shell_destroy; wl_signal_add(&ec->destroy_signal, &shell->destroy_listener); shell->lock_listener.notify = lock; wl_signal_add(&ec->lock_signal, &shell->lock_listener); shell->unlock_listener.notify = unlock; wl_signal_add(&ec->unlock_signal, &shell->unlock_listener); ec->ping_handler = ping_handler; ec->shell_interface.create_shell_surface = create_shell_surface; ec->shell_interface.set_toplevel = set_toplevel; ec->shell_interface.set_transient = set_transient; ec->shell_interface.move = surface_move; ec->shell_interface.resize = surface_resize; wl_list_init(&shell->backgrounds); wl_list_init(&shell->panels); wl_list_init(&shell->screensaver.surfaces); weston_layer_init(&shell->fullscreen_layer, &ec->cursor_layer.link); weston_layer_init(&shell->panel_layer, &shell->fullscreen_layer.link); weston_layer_init(&shell->background_layer, &shell->panel_layer.link); weston_layer_init(&shell->lock_layer, NULL); wl_array_init(&shell->workspaces.array); shell_configuration(shell); for (i = 0; i < shell->workspaces.num; i++) { pws = wl_array_add(&shell->workspaces.array, sizeof *pws); if (pws == NULL) return -1; *pws = workspace_create(); if (*pws == NULL) return -1; } activate_workspace(shell, 0); wl_list_init(&shell->workspaces.animation.link); shell->workspaces.animation.frame = animate_workspace_change_frame; 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; shell->pointer_focus_listener.notify = handle_pointer_focus; if (ec->seat->seat.pointer) wl_signal_add(&ec->seat->seat.pointer->focus_signal, &shell->pointer_focus_listener); shell_add_bindings(ec, shell); return 0; }