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Diffstat (limited to 'src/shell.c')
| -rw-r--r-- | src/shell.c | 4799 |
1 files changed, 4799 insertions, 0 deletions
diff --git a/src/shell.c b/src/shell.c new file mode 100644 index 00000000..fa9ff544 --- /dev/null +++ b/src/shell.c @@ -0,0 +1,4799 @@ +/* + * 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 "config.h" + +#include <stdlib.h> +#include <stdio.h> +#include <stdbool.h> +#include <string.h> +#include <unistd.h> +#include <linux/input.h> +#include <assert.h> +#include <signal.h> +#include <math.h> +#include <sys/types.h> + +#include "compositor.h" +#include "desktop-shell-server-protocol.h" +#include "input-method-server-protocol.h" +#include "workspaces-server-protocol.h" +#include "../shared/config-parser.h" + +#define DEFAULT_NUM_WORKSPACES 1 +#define DEFAULT_WORKSPACE_CHANGE_ANIMATION_LENGTH 200 + +enum animation_type { + ANIMATION_NONE, + + ANIMATION_ZOOM, + ANIMATION_FADE +}; + +enum fade_type { + FADE_IN, + FADE_OUT +}; + +struct focus_state { + struct weston_seat *seat; + struct workspace *ws; + 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 input_panel_surface { + struct wl_resource *resource; + struct wl_signal destroy_signal; + + struct desktop_shell *shell; + + struct wl_list link; + struct weston_surface *surface; + struct wl_listener surface_destroy_listener; + + struct weston_output *output; + uint32_t panel; +}; + +struct desktop_shell { + struct weston_compositor *compositor; + + struct wl_listener idle_listener; + struct wl_listener wake_listener; + struct wl_listener destroy_listener; + struct wl_listener show_input_panel_listener; + struct wl_listener hide_input_panel_listener; + struct wl_listener update_input_panel_listener; + + struct weston_layer fullscreen_layer; + struct weston_layer panel_layer; + struct weston_layer background_layer; + struct weston_layer lock_layer; + struct weston_layer input_panel_layer; + + struct wl_listener pointer_focus_listener; + struct weston_surface *grab_surface; + + struct { + struct weston_process process; + struct wl_client *client; + struct wl_resource *desktop_shell; + + unsigned deathcount; + uint32_t deathstamp; + } child; + + bool locked; + bool showing_input_panels; + bool prepare_event_sent; + + struct { + struct weston_surface *surface; + pixman_box32_t cursor_rectangle; + } text_input; + + struct weston_surface *lock_surface; + struct wl_listener lock_surface_listener; + + struct { + struct wl_array array; + unsigned int current; + unsigned int num; + + struct wl_list client_list; + + struct weston_animation animation; + struct wl_list anim_sticky_list; + 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 weston_process process; + struct wl_event_source *timer; + } screensaver; + + struct { + struct wl_resource *binding; + struct wl_list surfaces; + } input_panel; + + struct { + struct weston_surface *surface; + struct weston_surface_animation *animation; + enum fade_type type; + struct wl_event_source *startup_timer; + } fade; + + uint32_t binding_modifier; + enum animation_type win_animation_type; + enum animation_type startup_animation_type; +}; + +enum shell_surface_type { + SHELL_SURFACE_NONE, + SHELL_SURFACE_TOPLEVEL, + SHELL_SURFACE_TRANSIENT, + SHELL_SURFACE_FULLSCREEN, + SHELL_SURFACE_MAXIMIZED, + SHELL_SURFACE_POPUP, + SHELL_SURFACE_XWAYLAND +}; + +struct ping_timer { + struct wl_event_source *source; + uint32_t serial; +}; + +struct shell_surface { + struct wl_resource *resource; + struct wl_signal destroy_signal; + + struct weston_surface *surface; + struct wl_listener surface_destroy_listener; + struct weston_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_list grab_link; + int32_t x, y; + struct shell_seat *shseat; + 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 weston_output *fullscreen_output; + struct weston_output *output; + struct wl_list link; + + const struct weston_shell_client *client; +}; + +struct shell_grab { + struct weston_pointer_grab grab; + struct shell_surface *shsurf; + struct wl_listener shsurf_destroy_listener; +}; + +struct shell_touch_grab { + struct weston_touch_grab grab; + struct shell_surface *shsurf; + struct wl_listener shsurf_destroy_listener; + struct weston_touch *touch; +}; + +struct weston_move_grab { + struct shell_grab base; + wl_fixed_t dx, dy; +}; + +struct weston_touch_move_grab { + struct shell_touch_grab base; + wl_fixed_t dx, dy; +}; + +struct rotate_grab { + struct shell_grab base; + struct weston_matrix rotation; + struct { + float x; + float y; + } center; +}; + +struct shell_seat { + struct weston_seat *seat; + struct wl_listener seat_destroy_listener; + + struct { + struct weston_pointer_grab grab; + struct wl_list surfaces_list; + struct wl_client *client; + int32_t initial_up; + } popup_grab; +}; + +static void +activate(struct desktop_shell *shell, struct weston_surface *es, + struct weston_seat *seat); + +static struct workspace * +get_current_workspace(struct desktop_shell *shell); + +static struct shell_surface * +get_shell_surface(struct weston_surface *surface); + +static struct desktop_shell * +shell_surface_get_shell(struct shell_surface *shsurf); + +static void +surface_rotate(struct shell_surface *surface, struct weston_seat *seat); + +static void +shell_fade_startup(struct desktop_shell *shell); + +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 +popup_grab_end(struct weston_pointer *pointer); + +static void +shell_grab_start(struct shell_grab *grab, + const struct weston_pointer_grab_interface *interface, + struct shell_surface *shsurf, + struct weston_pointer *pointer, + enum desktop_shell_cursor cursor) +{ + struct desktop_shell *shell = shsurf->shell; + + popup_grab_end(pointer); + + grab->grab.interface = interface; + grab->shsurf = shsurf; + grab->shsurf_destroy_listener.notify = destroy_shell_grab_shsurf; + wl_signal_add(&shsurf->destroy_signal, + &grab->shsurf_destroy_listener); + + weston_pointer_start_grab(pointer, &grab->grab); + if (shell->child.desktop_shell) { + desktop_shell_send_grab_cursor(shell->child.desktop_shell, + cursor); + weston_pointer_set_focus(pointer, shell->grab_surface, + wl_fixed_from_int(0), + wl_fixed_from_int(0)); + } +} + +static void +shell_grab_end(struct shell_grab *grab) +{ + if (grab->shsurf) + wl_list_remove(&grab->shsurf_destroy_listener.link); + + weston_pointer_end_grab(grab->grab.pointer); +} + +static void +shell_touch_grab_start(struct shell_touch_grab *grab, + const struct weston_touch_grab_interface *interface, + struct shell_surface *shsurf, + struct weston_touch *touch) +{ + struct desktop_shell *shell = shsurf->shell; + + grab->grab.interface = interface; + grab->shsurf = shsurf; + grab->shsurf_destroy_listener.notify = destroy_shell_grab_shsurf; + wl_signal_add(&shsurf->destroy_signal, + &grab->shsurf_destroy_listener); + + grab->touch = touch; + + weston_touch_start_grab(touch, &grab->grab); + if (shell->child.desktop_shell) + weston_touch_set_focus(touch->seat, shell->grab_surface); +} + +static void +shell_touch_grab_end(struct shell_touch_grab *grab) +{ + if (grab->shsurf) + wl_list_remove(&grab->shsurf_destroy_listener.link); + + weston_touch_end_grab(grab->touch); +} + +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 (!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) +{ + struct weston_config_section *section; + int duration; + char *s; + + section = weston_config_get_section(shell->compositor->config, + "screensaver", NULL, NULL); + weston_config_section_get_string(section, + "path", &shell->screensaver.path, NULL); + weston_config_section_get_int(section, "duration", &duration, 60); + shell->screensaver.duration = duration * 1000; + + section = weston_config_get_section(shell->compositor->config, + "shell", NULL, NULL); + weston_config_section_get_string(section, + "binding-modifier", &s, "super"); + shell->binding_modifier = get_modifier(s); + free(s); + weston_config_section_get_string(section, "animation", &s, "none"); + shell->win_animation_type = get_animation_type(s); + free(s); + weston_config_section_get_string(section, + "startup-animation", &s, "fade"); + shell->startup_animation_type = get_animation_type(s); + free(s); + if (shell->startup_animation_type == ANIMATION_ZOOM) + shell->startup_animation_type = ANIMATION_NONE; + + weston_config_section_get_uint(section, "num-workspaces", + &shell->workspaces.num, + DEFAULT_NUM_WORKSPACES); +} + +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, + surface_destroy_listener); + struct desktop_shell *shell; + struct weston_surface *main_surface; + struct weston_surface *surface, *next; + + main_surface = weston_surface_get_main_surface(state->keyboard_focus); + + next = NULL; + wl_list_for_each(surface, &state->ws->layer.surface_list, layer_link) { + if (surface == main_surface) + continue; + + next = surface; + break; + } + + /* if the focus was a sub-surface, activate its main surface */ + if (main_surface != state->keyboard_focus) + next = main_surface; + + if (next) { + shell = state->seat->compositor->shell_interface.shell; + activate(shell, next, state->seat); + } else { + wl_list_remove(&state->link); + focus_state_destroy(state); + } +} + +static struct focus_state * +focus_state_create(struct weston_seat *seat, struct workspace *ws) +{ + struct focus_state *state; + + state = malloc(sizeof *state); + if (state == NULL) + return NULL; + + state->ws = ws; + state->seat = seat; + wl_list_insert(&ws->focus_list, &state->link); + + state->seat_destroy_listener.notify = focus_state_seat_destroy; + state->surface_destroy_listener.notify = focus_state_surface_destroy; + wl_signal_add(&seat->destroy_signal, + &state->seat_destroy_listener); + wl_list_init(&state->surface_destroy_listener.link); + + return state; +} + +static struct focus_state * +ensure_focus_state(struct desktop_shell *shell, struct weston_seat *seat) +{ + struct workspace *ws = get_current_workspace(shell); + struct focus_state *state; + + wl_list_for_each(state, &ws->focus_list, link) + if (state->seat == seat) + break; + + if (&state->link == &ws->focus_list) + state = focus_state_create(seat, ws); + + return state; +} + +static void +restore_focus_state(struct desktop_shell *shell, struct workspace *ws) +{ + struct focus_state *state, *next; + struct weston_surface *surface; + + wl_list_for_each_safe(state, next, &ws->focus_list, link) { + surface = state->keyboard_focus; + + weston_keyboard_set_focus(state->seat->keyboard, surface); + } +} + +static void +replace_focus_state(struct desktop_shell *shell, struct workspace *ws, + struct weston_seat *seat) +{ + struct focus_state *state; + struct weston_surface *surface; + + wl_list_for_each(state, &ws->focus_list, link) { + if (state->seat == seat) { + surface = seat->keyboard->focus; + state->keyboard_focus = surface; + return; + } + } +} + +static void +drop_focus_state(struct desktop_shell *shell, struct workspace *ws, + struct weston_surface *surface) +{ + struct focus_state *state; + + wl_list_for_each(state, &ws->focus_list, link) + if (state->keyboard_focus == surface) + state->keyboard_focus = 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; + assert(index < shell->workspaces.num); + 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); + weston_surface_geometry_dirty(surface); +} + +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 +broadcast_current_workspace_state(struct desktop_shell *shell) +{ + struct wl_resource *resource; + + wl_resource_for_each(resource, &shell->workspaces.client_list) + workspace_manager_send_state(resource, + shell->workspaces.current, + shell->workspaces.num); +} + +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; + + weston_compositor_schedule_repaint(shell->compositor); +} + +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); + if (!wl_list_empty(&shsurf->workspace_transform.link)) { + wl_list_remove(&shsurf->workspace_transform.link); + wl_list_init(&shsurf->workspace_transform.link); + } + weston_surface_geometry_dirty(surface); + } +} + +static void +finish_workspace_change_animation(struct desktop_shell *shell, + struct workspace *from, + struct workspace *to) +{ + weston_compositor_schedule_repaint(shell->compositor); + + 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) { + weston_compositor_schedule_repaint(shell->compositor); + + workspace_translate_out(from, shell->workspaces.anim_dir * y); + workspace_translate_in(to, shell->workspaces.anim_dir * y); + shell->workspaces.anim_current = y; + + weston_compositor_schedule_repaint(shell->compositor); + } + 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.prev, &to->layer.link); + + workspace_translate_in(to, 0); + + restore_focus_state(shell, to); + + weston_compositor_schedule_repaint(shell->compositor); +} + +static void +update_workspace(struct desktop_shell *shell, unsigned int index, + struct workspace *from, struct workspace *to) +{ + shell->workspaces.current = index; + wl_list_insert(&from->layer.link, &to->layer.link); + wl_list_remove(&from->layer.link); +} + +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) { + restore_focus_state(shell, to); + reverse_workspace_change_animation(shell, index, from, to); + broadcast_current_workspace_state(shell); + return; + } + + if (shell->workspaces.anim_to != NULL) + finish_workspace_change_animation(shell, + shell->workspaces.anim_from, + shell->workspaces.anim_to); + + restore_focus_state(shell, to); + + if (workspace_is_empty(to) && workspace_is_empty(from)) + update_workspace(shell, index, from, to); + else + animate_workspace_change(shell, index, from, to); + + broadcast_current_workspace_state(shell); +} + +static bool +workspace_has_only(struct workspace *ws, struct weston_surface *surface) +{ + struct wl_list *list = &ws->layer.surface_list; + struct wl_list *e; + + if (wl_list_empty(list)) + return false; + + e = list->next; + + if (e->next != list) + return false; + + return container_of(e, struct weston_surface, layer_link) == surface; +} + +static void +move_surface_to_workspace(struct desktop_shell *shell, + struct weston_surface *surface, + uint32_t workspace) +{ + struct workspace *from; + struct workspace *to; + struct weston_seat *seat; + struct weston_surface *focus; + + assert(weston_surface_get_main_surface(surface) == surface); + + if (workspace == shell->workspaces.current) + return; + + if (workspace >= shell->workspaces.num) + workspace = shell->workspaces.num - 1; + + from = get_current_workspace(shell); + to = get_workspace(shell, workspace); + + wl_list_remove(&surface->layer_link); + wl_list_insert(&to->layer.surface_list, &surface->layer_link); + + drop_focus_state(shell, from, surface); + wl_list_for_each(seat, &shell->compositor->seat_list, link) { + if (!seat->keyboard) + continue; + + focus = weston_surface_get_main_surface(seat->keyboard->focus); + if (focus == surface) + weston_keyboard_set_focus(seat->keyboard, NULL); + } + + weston_surface_damage_below(surface); +} + +static void +take_surface_to_workspace_by_seat(struct desktop_shell *shell, + struct weston_seat *seat, + unsigned int index) +{ + struct weston_surface *surface; + struct shell_surface *shsurf; + struct workspace *from; + struct workspace *to; + struct focus_state *state; + + surface = weston_surface_get_main_surface(seat->keyboard->focus); + if (surface == NULL || + index == shell->workspaces.current) + return; + + from = get_current_workspace(shell); + to = get_workspace(shell, index); + + wl_list_remove(&surface->layer_link); + wl_list_insert(&to->layer.surface_list, &surface->layer_link); + + replace_focus_state(shell, to, seat); + drop_focus_state(shell, from, surface); + + if (shell->workspaces.anim_from == to && + shell->workspaces.anim_to == from) { + wl_list_remove(&to->layer.link); + wl_list_insert(from->layer.link.prev, &to->layer.link); + + reverse_workspace_change_animation(shell, index, from, to); + broadcast_current_workspace_state(shell); + + return; + } + + if (shell->workspaces.anim_to != NULL) + finish_workspace_change_animation(shell, + shell->workspaces.anim_from, + shell->workspaces.anim_to); + + if (workspace_is_empty(from) && + workspace_has_only(to, surface)) + update_workspace(shell, index, from, to); + else { + shsurf = get_shell_surface(surface); + if (wl_list_empty(&shsurf->workspace_transform.link)) + wl_list_insert(&shell->workspaces.anim_sticky_list, + &shsurf->workspace_transform.link); + + animate_workspace_change(shell, index, from, to); + } + + broadcast_current_workspace_state(shell); + + state = ensure_focus_state(shell, seat); + if (state != NULL) + state->keyboard_focus = surface; +} + +static void +workspace_manager_move_surface(struct wl_client *client, + struct wl_resource *resource, + struct wl_resource *surface_resource, + uint32_t workspace) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + struct weston_surface *surface = + wl_resource_get_user_data(surface_resource); + struct weston_surface *main_surface; + + main_surface = weston_surface_get_main_surface(surface); + move_surface_to_workspace(shell, main_surface, workspace); +} + +static const struct workspace_manager_interface workspace_manager_implementation = { + workspace_manager_move_surface, +}; + +static void +unbind_resource(struct wl_resource *resource) +{ + wl_list_remove(wl_resource_get_link(resource)); +} + +static void +bind_workspace_manager(struct wl_client *client, + void *data, uint32_t version, uint32_t id) +{ + struct desktop_shell *shell = data; + struct wl_resource *resource; + + resource = wl_resource_create(client, + &workspace_manager_interface, 1, id); + + if (resource == NULL) { + weston_log("couldn't add workspace manager object"); + return; + } + + wl_resource_set_implementation(resource, + &workspace_manager_implementation, + shell, unbind_resource); + wl_list_insert(&shell->workspaces.client_list, + wl_resource_get_link(resource)); + + workspace_manager_send_state(resource, + shell->workspaces.current, + shell->workspaces.num); +} + +static void +touch_move_grab_down(struct weston_touch_grab *grab, uint32_t time, + int touch_id, wl_fixed_t sx, wl_fixed_t sy) +{ +} + +static void +touch_move_grab_up(struct weston_touch_grab *grab, uint32_t time, int touch_id) +{ + struct weston_touch_move_grab *move = + (struct weston_touch_move_grab *) container_of( + grab, struct shell_touch_grab, grab); + + if (grab->touch->seat->num_tp == 0) { + shell_touch_grab_end(&move->base); + free(move); + } +} + +static void +touch_move_grab_motion(struct weston_touch_grab *grab, uint32_t time, + int touch_id, wl_fixed_t sx, wl_fixed_t sy) +{ + struct weston_touch_move_grab *move = (struct weston_touch_move_grab *) grab; + struct shell_surface *shsurf = move->base.shsurf; + struct weston_surface *es; + int dx = wl_fixed_to_int(grab->touch->grab_x + move->dx); + int dy = wl_fixed_to_int(grab->touch->grab_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 +touch_move_grab_cancel(struct weston_touch_grab *grab) +{ + struct weston_touch_move_grab *move = + (struct weston_touch_move_grab *) container_of( + grab, struct shell_touch_grab, grab); + + shell_touch_grab_end(&move->base); + free(move); +} + +static const struct weston_touch_grab_interface touch_move_grab_interface = { + touch_move_grab_down, + touch_move_grab_up, + touch_move_grab_motion, + touch_move_grab_cancel, +}; + +static int +surface_touch_move(struct shell_surface *shsurf, struct weston_seat *seat) +{ + struct weston_touch_move_grab *move; + + if (!shsurf) + return -1; + + if (shsurf->type == SHELL_SURFACE_FULLSCREEN) + return 0; + + move = malloc(sizeof *move); + if (!move) + return -1; + + move->dx = wl_fixed_from_double(shsurf->surface->geometry.x) - + seat->touch->grab_x; + move->dy = wl_fixed_from_double(shsurf->surface->geometry.y) - + seat->touch->grab_y; + + shell_touch_grab_start(&move->base, &touch_move_grab_interface, shsurf, + seat->touch); + + return 0; +} + +static void +noop_grab_focus(struct weston_pointer_grab *grab) +{ +} + +static void +move_grab_motion(struct weston_pointer_grab *grab, uint32_t time) +{ + struct weston_move_grab *move = (struct weston_move_grab *) grab; + struct weston_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 weston_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 weston_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_end(shell_grab); + free(grab); + } +} + +static void +move_grab_cancel(struct weston_pointer_grab *grab) +{ + struct shell_grab *shell_grab = + container_of(grab, struct shell_grab, grab); + + shell_grab_end(shell_grab); + free(grab); +} + +static const struct weston_pointer_grab_interface move_grab_interface = { + noop_grab_focus, + move_grab_motion, + move_grab_button, + move_grab_cancel, +}; + +static int +surface_move(struct shell_surface *shsurf, struct weston_seat *seat) +{ + struct weston_move_grab *move; + + if (!shsurf) + return -1; + + if (shsurf->type == SHELL_SURFACE_FULLSCREEN) + return 0; + + move = malloc(sizeof *move); + if (!move) + return -1; + + move->dx = wl_fixed_from_double(shsurf->surface->geometry.x) - + seat->pointer->grab_x; + move->dy = wl_fixed_from_double(shsurf->surface->geometry.y) - + seat->pointer->grab_y; + + shell_grab_start(&move->base, &move_grab_interface, shsurf, + seat->pointer, DESKTOP_SHELL_CURSOR_MOVE); + + 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 *seat = wl_resource_get_user_data(seat_resource); + struct shell_surface *shsurf = wl_resource_get_user_data(resource); + struct weston_surface *surface; + + if (seat->pointer && + seat->pointer->button_count > 0 && + seat->pointer->grab_serial == serial) { + surface = weston_surface_get_main_surface(seat->pointer->focus); + if ((surface == shsurf->surface) && + (surface_move(shsurf, seat) < 0)) + wl_resource_post_no_memory(resource); + } else if (seat->touch && + seat->touch->grab_serial == serial) { + surface = weston_surface_get_main_surface(seat->touch->focus); + if ((surface == shsurf->surface) && + (surface_touch_move(shsurf, seat) < 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 weston_pointer_grab *grab, uint32_t time) +{ + struct weston_resize_grab *resize = (struct weston_resize_grab *) grab; + struct weston_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 weston_pointer_grab *grab, + uint32_t time, uint32_t button, uint32_t state_w) +{ + struct weston_resize_grab *resize = (struct weston_resize_grab *) grab; + struct weston_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_end(&resize->base); + free(grab); + } +} + +static void +resize_grab_cancel(struct weston_pointer_grab *grab) +{ + struct weston_resize_grab *resize = (struct weston_resize_grab *) grab; + + shell_grab_end(&resize->base); + free(grab); +} + +static const struct weston_pointer_grab_interface resize_grab_interface = { + noop_grab_focus, + resize_grab_motion, + resize_grab_button, + resize_grab_cancel, +}; + +/* + * Returns the bounding box of a surface and all its sub-surfaces, + * in the surface coordinates system. */ +static void +surface_subsurfaces_boundingbox(struct weston_surface *surface, int32_t *x, + int32_t *y, int32_t *w, int32_t *h) { + pixman_region32_t region; + pixman_box32_t *box; + struct weston_subsurface *subsurface; + + pixman_region32_init_rect(®ion, 0, 0, + surface->geometry.width, + surface->geometry.height); + + wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) { + pixman_region32_union_rect(®ion, ®ion, + subsurface->position.x, + subsurface->position.y, + subsurface->surface->geometry.width, + subsurface->surface->geometry.height); + } + + box = pixman_region32_extents(®ion); + if (x) + *x = box->x1; + if (y) + *y = box->y1; + if (w) + *w = box->x2 - box->x1; + if (h) + *h = box->y2 - box->y1; + + pixman_region32_fini(®ion); +} + +static int +surface_resize(struct shell_surface *shsurf, + struct weston_seat *seat, uint32_t edges) +{ + struct weston_resize_grab *resize; + + if (shsurf->type == SHELL_SURFACE_FULLSCREEN || + shsurf->type == SHELL_SURFACE_MAXIMIZED) + return 0; + + if (edges == 0 || edges > 15 || + (edges & 3) == 3 || (edges & 12) == 12) + return 0; + + resize = malloc(sizeof *resize); + if (!resize) + return -1; + + resize->edges = edges; + surface_subsurfaces_boundingbox(shsurf->surface, NULL, NULL, + &resize->width, &resize->height); + + shell_grab_start(&resize->base, &resize_grab_interface, shsurf, + seat->pointer, edges); + + 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 *seat = wl_resource_get_user_data(seat_resource); + struct shell_surface *shsurf = wl_resource_get_user_data(resource); + struct weston_surface *surface; + + if (shsurf->type == SHELL_SURFACE_FULLSCREEN) + return; + + surface = weston_surface_get_main_surface(seat->pointer->focus); + if (seat->pointer->button_count == 0 || + seat->pointer->grab_serial != serial || + surface != shsurf->surface) + return; + + if (surface_resize(shsurf, seat, edges) < 0) + wl_resource_post_no_memory(resource); +} + +static void +end_busy_cursor(struct shell_surface *shsurf, struct weston_pointer *pointer); + +static void +busy_cursor_grab_focus(struct weston_pointer_grab *base) +{ + struct shell_grab *grab = (struct shell_grab *) base; + struct weston_pointer *pointer = base->pointer; + struct weston_surface *surface; + wl_fixed_t sx, sy; + + surface = weston_compositor_pick_surface(pointer->seat->compositor, + pointer->x, pointer->y, + &sx, &sy); + + if (!grab->shsurf || grab->shsurf->surface != surface) + end_busy_cursor(grab->shsurf, pointer); +} + +static void +busy_cursor_grab_motion(struct weston_pointer_grab *grab, uint32_t time) +{ +} + +static void +busy_cursor_grab_button(struct weston_pointer_grab *base, + uint32_t time, uint32_t button, uint32_t state) +{ + struct shell_grab *grab = (struct shell_grab *) base; + struct shell_surface *shsurf = grab->shsurf; + struct weston_seat *seat = grab->grab.pointer->seat; + + if (shsurf && button == BTN_LEFT && state) { + activate(shsurf->shell, shsurf->surface, seat); + surface_move(shsurf, seat); + } else if (shsurf && button == BTN_RIGHT && state) { + activate(shsurf->shell, shsurf->surface, seat); + surface_rotate(shsurf, seat); + } +} + +static void +busy_cursor_grab_cancel(struct weston_pointer_grab *base) +{ + struct shell_grab *grab = (struct shell_grab *) base; + + shell_grab_end(grab); + free(grab); +} + +static const struct weston_pointer_grab_interface busy_cursor_grab_interface = { + busy_cursor_grab_focus, + busy_cursor_grab_motion, + busy_cursor_grab_button, + busy_cursor_grab_cancel, +}; + +static void +set_busy_cursor(struct shell_surface *shsurf, struct weston_pointer *pointer) +{ + struct shell_grab *grab; + + grab = malloc(sizeof *grab); + if (!grab) + return; + + shell_grab_start(grab, &busy_cursor_grab_interface, shsurf, pointer, + DESKTOP_SHELL_CURSOR_BUSY); +} + +static void +end_busy_cursor(struct shell_surface *shsurf, struct weston_pointer *pointer) +{ + struct shell_grab *grab = (struct shell_grab *) pointer->grab; + + if (grab->grab.interface == &busy_cursor_grab_interface && + grab->shsurf == shsurf) { + shell_grab_end(grab); + 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->pointer->focus == shsurf->surface) + set_busy_cursor(shsurf, 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) + return; + + if (shsurf->surface == shsurf->shell->grab_surface) + 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 weston_pointer *pointer = data; + struct weston_surface *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 +create_pointer_focus_listener(struct weston_seat *seat) +{ + struct wl_listener *listener; + + if (!seat->pointer) + return; + + listener = malloc(sizeof *listener); + listener->notify = handle_pointer_focus; + wl_signal_add(&seat->pointer->focus_signal, listener); +} + +static void +shell_surface_pong(struct wl_client *client, struct wl_resource *resource, + uint32_t serial) +{ + struct shell_surface *shsurf = wl_resource_get_user_data(resource); + struct weston_seat *seat; + struct weston_compositor *ec = shsurf->surface->compositor; + + if (shsurf->ping_timer == NULL) + /* Just ignore unsolicited pong. */ + return; + + if (shsurf->ping_timer->serial == serial) { + shsurf->unresponsive = 0; + wl_list_for_each(seat, &ec->seat_list, link) { + if(seat->pointer) + end_busy_cursor(shsurf, seat->pointer); + } + ping_timer_destroy(shsurf); + } +} + +static void +set_title(struct shell_surface *shsurf, const char *title) +{ + free(shsurf->title); + shsurf->title = strdup(title); +} + +static void +shell_surface_set_title(struct wl_client *client, + struct wl_resource *resource, const char *title) +{ + struct shell_surface *shsurf = wl_resource_get_user_data(resource); + + set_title(shsurf, title); +} + +static void +shell_surface_set_class(struct wl_client *client, + struct wl_resource *resource, const char *class) +{ + struct shell_surface *shsurf = wl_resource_get_user_data(resource); + + free(shsurf->class); + shsurf->class = strdup(class); +} + +static struct weston_output * +get_default_output(struct weston_compositor *compositor) +{ + return container_of(compositor->output_list.next, + struct weston_output, link); +} + +static void +restore_output_mode(struct weston_output *output) +{ + if (output->current_mode != output->original_mode || + (int32_t)output->current_scale != output->original_scale) + weston_output_switch_mode(output, + output->original_mode, + output->original_scale, + WESTON_MODE_SWITCH_RESTORE_NATIVE); +} + +static void +restore_all_output_modes(struct weston_compositor *compositor) +{ + struct weston_output *output; + + wl_list_for_each(output, &compositor->output_list, link) + restore_output_mode(output); +} + +static void +shell_unset_fullscreen(struct shell_surface *shsurf) +{ + struct workspace *ws; + /* undo all fullscreen things here */ + if (shsurf->fullscreen.type == WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER && + shell_surface_is_top_fullscreen(shsurf)) { + restore_output_mode(shsurf->fullscreen_output); + } + 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; + } + + ws = get_current_workspace(shsurf->shell); + wl_list_remove(&shsurf->surface->layer_link); + wl_list_insert(&ws->layer.surface_list, &shsurf->surface->layer_link); +} + +static void +shell_unset_maximized(struct shell_surface *shsurf) +{ + struct workspace *ws; + /* undo all maximized things here */ + shsurf->output = get_default_output(shsurf->surface->compositor); + 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; + } + + ws = get_current_workspace(shsurf->shell); + wl_list_remove(&shsurf->surface->layer_link); + wl_list_insert(&ws->layer.surface_list, &shsurf->surface->layer_link); +} + +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: + shell_unset_maximized(surface); + break; + case SHELL_SURFACE_NONE: + case SHELL_SURFACE_TOPLEVEL: + case SHELL_SURFACE_TRANSIENT: + case SHELL_SURFACE_POPUP: + case SHELL_SURFACE_XWAYLAND: + break; + } + + surface->type = SHELL_SURFACE_NONE; + return 0; +} + +static void +set_surface_type(struct shell_surface *shsurf) +{ + struct weston_surface *surface = shsurf->surface; + struct weston_surface *pes = shsurf->parent; + + 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: + weston_surface_set_position(surface, + pes->geometry.x + shsurf->transient.x, + pes->geometry.y + shsurf->transient.y); + break; + + case SHELL_SURFACE_MAXIMIZED: + 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); + weston_surface_geometry_dirty(shsurf->surface); + shsurf->saved_rotation_valid = true; + } + break; + + case SHELL_SURFACE_XWAYLAND: + weston_surface_set_position(surface, shsurf->transient.x, + shsurf->transient.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 = wl_resource_get_user_data(resource); + + set_toplevel(surface); +} + +static void +set_transient(struct shell_surface *shsurf, + struct weston_surface *parent, int x, int y, uint32_t flags) +{ + /* assign to parents output */ + shsurf->parent = parent; + 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 = wl_resource_get_user_data(resource); + struct weston_surface *parent = + wl_resource_get_user_data(parent_resource); + + set_transient(shsurf, parent, 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 weston_surface *surface; + int panel_height = 0; + + if (!output) + return 0; + + wl_list_for_each(surface, &shell->panel_layer.surface_list, layer_link) { + if (surface->output == output) { + panel_height = 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 = wl_resource_get_user_data(resource); + 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 = wl_resource_get_user_data(output_resource); + else if (es->output) + shsurf->output = es->output; + else + shsurf->output = get_default_output(es->compositor); + + shell = shell_surface_get_shell(shsurf); + panel_height = get_output_panel_height(shell, shsurf->output); + edges = WL_SHELL_SURFACE_RESIZE_TOP|WL_SHELL_SURFACE_RESIZE_LEFT; + + shsurf->client->send_configure(shsurf->surface, edges, + shsurf->output->width, + shsurf->output->height - panel_height); + + shsurf->next_type = SHELL_SURFACE_MAXIMIZED; +} + +static void +black_surface_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height); + +static struct weston_surface * +create_black_surface(struct weston_compositor *ec, + struct weston_surface *fs_surface, + float x, float 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->configure_private = fs_surface; + weston_surface_configure(surface, x, y, w, h); + weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1); + pixman_region32_fini(&surface->opaque); + pixman_region32_init_rect(&surface->opaque, 0, 0, w, h); + pixman_region32_fini(&surface->input); + pixman_region32_init_rect(&surface->input, 0, 0, w, h); + + 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, output_aspect, surface_aspect, x, y; + int32_t surf_x, surf_y, surf_width, surf_height; + + if (shsurf->fullscreen.type != WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER) + restore_output_mode(output); + + if (!shsurf->fullscreen.black_surface) + shsurf->fullscreen.black_surface = + create_black_surface(surface->compositor, + surface, + output->x, output->y, + output->width, + output->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; + + surface_subsurfaces_boundingbox(surface, &surf_x, &surf_y, + &surf_width, &surf_height); + + switch (shsurf->fullscreen.type) { + case WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT: + if (surface->buffer_ref.buffer) + center_on_output(surface, shsurf->fullscreen_output); + break; + case WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE: + /* 1:1 mapping between surface and output dimensions */ + if (output->width == surf_width && + output->height == surf_height) { + weston_surface_set_position(surface, output->x - surf_x, + output->y - surf_y); + break; + } + + matrix = &shsurf->fullscreen.transform.matrix; + weston_matrix_init(matrix); + + output_aspect = (float) output->width / + (float) output->height; + surface_aspect = (float) surface->geometry.width / + (float) surface->geometry.height; + if (output_aspect < surface_aspect) + scale = (float) output->width / + (float) surf_width; + else + scale = (float) output->height / + (float) surf_height; + + weston_matrix_scale(matrix, scale, scale, 1); + wl_list_remove(&shsurf->fullscreen.transform.link); + wl_list_insert(&surface->geometry.transformation_list, + &shsurf->fullscreen.transform.link); + x = output->x + (output->width - surf_width * scale) / 2 - surf_x; + y = output->y + (output->height - surf_height * scale) / 2 - surf_y; + weston_surface_set_position(surface, x, y); + + break; + case WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER: + if (shell_surface_is_top_fullscreen(shsurf)) { + struct weston_mode mode = {0, + surf_width * surface->buffer_scale, + surf_height * surface->buffer_scale, + shsurf->fullscreen.framerate}; + + if (weston_output_switch_mode(output, &mode, surface->buffer_scale, + WESTON_MODE_SWITCH_SET_TEMPORARY) == 0) { + weston_surface_set_position(surface, + output->x - surf_x, + output->y - surf_y); + weston_surface_configure(shsurf->fullscreen.black_surface, + output->x - surf_x, + output->y - surf_y, + output->width, + output->height); + break; + } else { + restore_output_mode(output); + center_on_output(surface, output); + } + } + break; + case WL_SHELL_SURFACE_FULLSCREEN_METHOD_FILL: + center_on_output(surface, output); + 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->width, + output->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 +set_fullscreen(struct shell_surface *shsurf, + uint32_t method, + uint32_t framerate, + struct weston_output *output) +{ + struct weston_surface *es = shsurf->surface; + + if (output) + shsurf->output = output; + else if (es->output) + shsurf->output = es->output; + 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->width, + shsurf->output->height); +} + +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 = wl_resource_get_user_data(resource); + struct weston_output *output; + + if (output_resource) + output = wl_resource_get_user_data(output_resource); + else + output = NULL; + + set_fullscreen(shsurf, method, framerate, output); +} + +static void +set_xwayland(struct shell_surface *shsurf, int x, int y, uint32_t flags) +{ + /* XXX: using the same fields for transient type */ + shsurf->transient.x = x; + shsurf->transient.y = y; + shsurf->transient.flags = flags; + shsurf->next_type = SHELL_SURFACE_XWAYLAND; +} + +static const struct weston_pointer_grab_interface popup_grab_interface; + +static void +destroy_shell_seat(struct wl_listener *listener, void *data) +{ + struct shell_seat *shseat = + container_of(listener, + struct shell_seat, seat_destroy_listener); + struct shell_surface *shsurf, *prev = NULL; + + if (shseat->popup_grab.grab.interface == &popup_grab_interface) { + weston_pointer_end_grab(shseat->popup_grab.grab.pointer); + shseat->popup_grab.client = NULL; + + wl_list_for_each(shsurf, &shseat->popup_grab.surfaces_list, popup.grab_link) { + shsurf->popup.shseat = NULL; + if (prev) { + wl_list_init(&prev->popup.grab_link); + } + prev = shsurf; + } + wl_list_init(&prev->popup.grab_link); + } + + wl_list_remove(&shseat->seat_destroy_listener.link); + free(shseat); +} + +static struct shell_seat * +create_shell_seat(struct weston_seat *seat) +{ + struct shell_seat *shseat; + + shseat = calloc(1, sizeof *shseat); + if (!shseat) { + weston_log("no memory to allocate shell seat\n"); + return NULL; + } + + shseat->seat = seat; + wl_list_init(&shseat->popup_grab.surfaces_list); + + shseat->seat_destroy_listener.notify = destroy_shell_seat; + wl_signal_add(&seat->destroy_signal, + &shseat->seat_destroy_listener); + + return shseat; +} + +static struct shell_seat * +get_shell_seat(struct weston_seat *seat) +{ + struct wl_listener *listener; + + listener = wl_signal_get(&seat->destroy_signal, destroy_shell_seat); + if (listener == NULL) + return create_shell_seat(seat); + + return container_of(listener, + struct shell_seat, seat_destroy_listener); +} + +static void +popup_grab_focus(struct weston_pointer_grab *grab) +{ + struct weston_pointer *pointer = grab->pointer; + struct weston_surface *surface; + struct shell_seat *shseat = + container_of(grab, struct shell_seat, popup_grab.grab); + struct wl_client *client = shseat->popup_grab.client; + wl_fixed_t sx, sy; + + surface = weston_compositor_pick_surface(pointer->seat->compositor, + pointer->x, pointer->y, + &sx, &sy); + + if (surface && wl_resource_get_client(surface->resource) == client) { + weston_pointer_set_focus(pointer, surface, sx, sy); + } else { + weston_pointer_set_focus(pointer, NULL, + wl_fixed_from_int(0), + wl_fixed_from_int(0)); + } +} + +static void +popup_grab_motion(struct weston_pointer_grab *grab, uint32_t time) +{ + struct weston_pointer *pointer = grab->pointer; + struct wl_resource *resource; + wl_fixed_t sx, sy; + + wl_resource_for_each(resource, &pointer->focus_resource_list) { + weston_surface_from_global_fixed(pointer->focus, + pointer->x, pointer->y, + &sx, &sy); + wl_pointer_send_motion(resource, time, sx, sy); + } +} + +static void +popup_grab_button(struct weston_pointer_grab *grab, + uint32_t time, uint32_t button, uint32_t state_w) +{ + struct wl_resource *resource; + struct shell_seat *shseat = + container_of(grab, struct shell_seat, popup_grab.grab); + struct wl_display *display = shseat->seat->compositor->wl_display; + enum wl_pointer_button_state state = state_w; + uint32_t serial; + struct wl_list *resource_list; + + resource_list = &grab->pointer->focus_resource_list; + if (!wl_list_empty(resource_list)) { + serial = wl_display_get_serial(display); + wl_resource_for_each(resource, resource_list) { + wl_pointer_send_button(resource, serial, + time, button, state); + } + } else if (state == WL_POINTER_BUTTON_STATE_RELEASED && + (shseat->popup_grab.initial_up || + time - shseat->seat->pointer->grab_time > 500)) { + popup_grab_end(grab->pointer); + } + + if (state == WL_POINTER_BUTTON_STATE_RELEASED) + shseat->popup_grab.initial_up = 1; +} + +static void +popup_grab_cancel(struct weston_pointer_grab *grab) +{ + popup_grab_end(grab->pointer); +} + +static const struct weston_pointer_grab_interface popup_grab_interface = { + popup_grab_focus, + popup_grab_motion, + popup_grab_button, + popup_grab_cancel, +}; + +static void +popup_grab_end(struct weston_pointer *pointer) +{ + struct weston_pointer_grab *grab = pointer->grab; + struct shell_seat *shseat = + container_of(grab, struct shell_seat, popup_grab.grab); + struct shell_surface *shsurf; + struct shell_surface *prev = NULL; + + if (pointer->grab->interface == &popup_grab_interface) { + weston_pointer_end_grab(grab->pointer); + shseat->popup_grab.client = NULL; + shseat->popup_grab.grab.interface = NULL; + assert(!wl_list_empty(&shseat->popup_grab.surfaces_list)); + /* Send the popup_done event to all the popups open */ + wl_list_for_each(shsurf, &shseat->popup_grab.surfaces_list, popup.grab_link) { + wl_shell_surface_send_popup_done(shsurf->resource); + shsurf->popup.shseat = NULL; + if (prev) { + wl_list_init(&prev->popup.grab_link); + } + prev = shsurf; + } + wl_list_init(&prev->popup.grab_link); + wl_list_init(&shseat->popup_grab.surfaces_list); + } +} + +static void +add_popup_grab(struct shell_surface *shsurf, struct shell_seat *shseat) +{ + struct weston_seat *seat = shseat->seat; + + if (wl_list_empty(&shseat->popup_grab.surfaces_list)) { + shseat->popup_grab.client = wl_resource_get_client(shsurf->resource); + shseat->popup_grab.grab.interface = &popup_grab_interface; + /* We must make sure here that this popup was opened after + * a mouse press, and not just by moving around with other + * popups already open. */ + if (shseat->seat->pointer->button_count > 0) + shseat->popup_grab.initial_up = 0; + + wl_list_insert(&shseat->popup_grab.surfaces_list, &shsurf->popup.grab_link); + weston_pointer_start_grab(seat->pointer, &shseat->popup_grab.grab); + } else { + wl_list_insert(&shseat->popup_grab.surfaces_list, &shsurf->popup.grab_link); + } +} + +static void +remove_popup_grab(struct shell_surface *shsurf) +{ + struct shell_seat *shseat = shsurf->popup.shseat; + + wl_list_remove(&shsurf->popup.grab_link); + wl_list_init(&shsurf->popup.grab_link); + if (wl_list_empty(&shseat->popup_grab.surfaces_list)) { + weston_pointer_end_grab(shseat->popup_grab.grab.pointer); + shseat->popup_grab.grab.interface = NULL; + } +} + +static void +shell_map_popup(struct shell_surface *shsurf) +{ + struct shell_seat *shseat = shsurf->popup.shseat; + struct weston_surface *es = shsurf->surface; + struct weston_surface *parent = shsurf->parent; + + es->output = parent->output; + + weston_surface_set_transform_parent(es, parent); + weston_surface_set_position(es, shsurf->popup.x, shsurf->popup.y); + weston_surface_update_transform(es); + + if (shseat->seat->pointer->grab_serial == shsurf->popup.serial) { + add_popup_grab(shsurf, shseat); + } else { + wl_shell_surface_send_popup_done(shsurf->resource); + shseat->popup_grab.client = NULL; + } +} + +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 = wl_resource_get_user_data(resource); + + shsurf->type = SHELL_SURFACE_POPUP; + shsurf->parent = wl_resource_get_user_data(parent_resource); + shsurf->popup.shseat = get_shell_seat(wl_resource_get_user_data(seat_resource)); + 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) +{ + wl_signal_emit(&shsurf->destroy_signal, shsurf); + + if (!wl_list_empty(&shsurf->popup.grab_link)) { + remove_popup_grab(shsurf); + } + + if (shsurf->fullscreen.type == WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER && + shell_surface_is_top_fullscreen(shsurf)) + restore_output_mode (shsurf->fullscreen_output); + + 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); + free(shsurf->title); + + wl_list_remove(&shsurf->link); + free(shsurf); +} + +static void +shell_destroy_shell_surface(struct wl_resource *resource) +{ + struct shell_surface *shsurf = wl_resource_get_user_data(resource); + + 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) + wl_resource_destroy(shsurf->resource); + else + destroy_shell_surface(shsurf); +} + +static void +shell_surface_configure(struct weston_surface *, int32_t, int32_t, int32_t, int32_t); + +static struct shell_surface * +get_shell_surface(struct weston_surface *surface) +{ + if (surface->configure == shell_surface_configure) + return surface->configure_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->configure_private = shsurf; + + 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->destroy_signal); + shsurf->surface_destroy_listener.notify = shell_handle_surface_destroy; + wl_signal_add(&surface->destroy_signal, + &shsurf->surface_destroy_listener); + + /* init link so its safe to always remove it in destroy_shell_surface */ + wl_list_init(&shsurf->link); + wl_list_init(&shsurf->popup.grab_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 = + wl_resource_get_user_data(surface_resource); + struct desktop_shell *shell = wl_resource_get_user_data(resource); + 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 = + wl_resource_create(client, + &wl_shell_surface_interface, 1, id); + wl_resource_set_implementation(shsurf->resource, + &shell_surface_implementation, + shsurf, shell_destroy_shell_surface); +} + +static const struct wl_shell_interface shell_implementation = { + shell_get_shell_surface +}; + +static void +shell_fade(struct desktop_shell *shell, enum fade_type type); + +static int +screensaver_timeout(void *data) +{ + struct desktop_shell *shell = data; + + shell_fade(shell, FADE_OUT); + + return 1; +} + +static void +handle_screensaver_sigchld(struct weston_process *proc, int status) +{ + struct desktop_shell *shell = + container_of(proc, struct desktop_shell, screensaver.process); + + proc->pid = 0; + + if (shell->locked) + weston_compositor_sleep(shell->compositor); +} + +static void +launch_screensaver(struct desktop_shell *shell) +{ + if (shell->screensaver.binding) + return; + + if (!shell->screensaver.path) { + weston_compositor_sleep(shell->compositor); + 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 +configure_static_surface(struct weston_surface *es, struct weston_layer *layer, int32_t width, int32_t height) +{ + struct weston_surface *s, *next; + + if (width == 0) + return; + + wl_list_for_each_safe(s, next, &layer->surface_list, layer_link) { + if (s->output == es->output && s != es) { + weston_surface_unmap(s); + s->configure = NULL; + } + } + + weston_surface_configure(es, es->output->x, es->output->y, width, height); + + if (wl_list_empty(&es->layer_link)) { + wl_list_insert(&layer->surface_list, &es->layer_link); + weston_compositor_schedule_repaint(es->compositor); + } +} + +static void +background_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height) +{ + struct desktop_shell *shell = es->configure_private; + + configure_static_surface(es, &shell->background_layer, width, height); +} + +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 desktop_shell *shell = wl_resource_get_user_data(resource); + struct weston_surface *surface = + wl_resource_get_user_data(surface_resource); + + if (surface->configure) { + wl_resource_post_error(surface_resource, + WL_DISPLAY_ERROR_INVALID_OBJECT, + "surface role already assigned"); + return; + } + + surface->configure = background_configure; + surface->configure_private = shell; + surface->output = wl_resource_get_user_data(output_resource); + desktop_shell_send_configure(resource, 0, + surface_resource, + surface->output->width, + surface->output->height); +} + +static void +panel_configure(struct weston_surface *es, int32_t sx, int32_t sy, int32_t width, int32_t height) +{ + struct desktop_shell *shell = es->configure_private; + + configure_static_surface(es, &shell->panel_layer, width, 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 desktop_shell *shell = wl_resource_get_user_data(resource); + struct weston_surface *surface = + wl_resource_get_user_data(surface_resource); + + if (surface->configure) { + wl_resource_post_error(surface_resource, + WL_DISPLAY_ERROR_INVALID_OBJECT, + "surface role already assigned"); + return; + } + + surface->configure = panel_configure; + surface->configure_private = shell; + surface->output = wl_resource_get_user_data(output_resource); + desktop_shell_send_configure(resource, 0, + surface_resource, + surface->output->width, + surface->output->height); +} + +static void +lock_surface_configure(struct weston_surface *surface, int32_t sx, int32_t sy, int32_t width, int32_t height) +{ + struct desktop_shell *shell = surface->configure_private; + + if (width == 0) + return; + + surface->geometry.width = width; + surface->geometry.height = height; + center_on_output(surface, get_default_output(shell->compositor)); + + if (!weston_surface_is_mapped(surface)) { + wl_list_insert(&shell->lock_layer.surface_list, + &surface->layer_link); + weston_surface_update_transform(surface); + shell_fade(shell, FADE_IN); + } +} + +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 = wl_resource_get_user_data(resource); + struct weston_surface *surface = + wl_resource_get_user_data(surface_resource); + + 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->destroy_signal, + &shell->lock_surface_listener); + + surface->configure = lock_surface_configure; + surface->configure_private = shell; +} + +static void +resume_desktop(struct desktop_shell *shell) +{ + struct workspace *ws = get_current_workspace(shell); + + 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); + if (shell->showing_input_panels) { + wl_list_insert(&shell->panel_layer.link, + &shell->input_panel_layer.link); + wl_list_insert(&shell->input_panel_layer.link, + &ws->layer.link); + } else { + wl_list_insert(&shell->panel_layer.link, &ws->layer.link); + } + + restore_focus_state(shell, get_current_workspace(shell)); + + shell->locked = false; + shell_fade(shell, FADE_IN); + weston_compositor_damage_all(shell->compositor); +} + +static void +desktop_shell_unlock(struct wl_client *client, + struct wl_resource *resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + + shell->prepare_event_sent = false; + + if (shell->locked) + resume_desktop(shell); +} + +static void +desktop_shell_set_grab_surface(struct wl_client *client, + struct wl_resource *resource, + struct wl_resource *surface_resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + + shell->grab_surface = wl_resource_get_user_data(surface_resource); +} + +static void +desktop_shell_desktop_ready(struct wl_client *client, + struct wl_resource *resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + + shell_fade_startup(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, + desktop_shell_set_grab_surface, + desktop_shell_desktop_ready +}; + +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 weston_seat *seat, uint32_t time, uint32_t button, void *data) +{ + struct weston_surface *focus = + (struct weston_surface *) seat->pointer->focus; + struct weston_surface *surface; + struct shell_surface *shsurf; + + surface = weston_surface_get_main_surface(focus); + if (surface == NULL) + return; + + shsurf = get_shell_surface(surface); + if (shsurf == NULL || shsurf->type == SHELL_SURFACE_FULLSCREEN || + shsurf->type == SHELL_SURFACE_MAXIMIZED) + return; + + surface_move(shsurf, (struct weston_seat *) seat); +} + +static void +touch_move_binding(struct weston_seat *seat, uint32_t time, void *data) +{ + struct weston_surface *focus = + (struct weston_surface *) seat->touch->focus; + struct weston_surface *surface; + struct shell_surface *shsurf; + + surface = weston_surface_get_main_surface(focus); + if (surface == NULL) + return; + + shsurf = get_shell_surface(surface); + if (shsurf == NULL || shsurf->type == SHELL_SURFACE_FULLSCREEN || + shsurf->type == SHELL_SURFACE_MAXIMIZED) + return; + + surface_touch_move(shsurf, (struct weston_seat *) seat); +} + +static void +resize_binding(struct weston_seat *seat, uint32_t time, uint32_t button, void *data) +{ + struct weston_surface *focus = + (struct weston_surface *) seat->pointer->focus; + struct weston_surface *surface; + uint32_t edges = 0; + int32_t x, y; + struct shell_surface *shsurf; + + surface = weston_surface_get_main_surface(focus); + if (surface == NULL) + return; + + shsurf = get_shell_surface(surface); + if (!shsurf || shsurf->type == SHELL_SURFACE_FULLSCREEN || + shsurf->type == SHELL_SURFACE_MAXIMIZED) + return; + + 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 weston_seat *seat, uint32_t time, uint32_t axis, + wl_fixed_t value, void *data) +{ + float step = 0.005; + struct shell_surface *shsurf; + struct weston_surface *focus = + (struct weston_surface *) seat->pointer->focus; + struct weston_surface *surface; + + /* XXX: broken for windows containing sub-surfaces */ + surface = weston_surface_get_main_surface(focus); + if (surface == NULL) + return; + + shsurf = get_shell_surface(surface); + if (!shsurf) + return; + + surface->alpha -= wl_fixed_to_double(value) * step; + + if (surface->alpha > 1.0) + surface->alpha = 1.0; + if (surface->alpha < step) + surface->alpha = step; + + weston_surface_geometry_dirty(surface); + weston_surface_damage(surface); +} + +static void +do_zoom(struct weston_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) + /* For every pixel zoom 20th of a step */ + increment = output->zoom.increment * + -wl_fixed_to_double(value) / 20.0; + 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 if (!output->zoom.active) { + output->zoom.active = 1; + output->disable_planes++; + } + + output->zoom.spring_z.target = output->zoom.level; + + weston_output_update_zoom(output, output->zoom.type); + } + } +} + +static void +zoom_axis_binding(struct weston_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 weston_seat *seat, uint32_t time, uint32_t key, + void *data) +{ + do_zoom(seat, time, key, 0, 0); +} + +static void +terminate_binding(struct weston_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 weston_pointer_grab *grab, uint32_t time) +{ + struct rotate_grab *rotate = + container_of(grab, struct rotate_grab, base.grab); + struct weston_pointer *pointer = grab->pointer; + struct shell_surface *shsurf = rotate->base.shsurf; + struct weston_surface *surface; + float 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); + weston_surface_geometry_dirty(shsurf->surface); + + if (r > 20.0f) { + struct weston_matrix *matrix = + &shsurf->rotation.transform.matrix; + + weston_matrix_init(&rotate->rotation); + weston_matrix_rotate_xy(&rotate->rotation, dx / r, dy / r); + + 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 weston_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 weston_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_end(&rotate->base); + free(rotate); + } +} + +static void +rotate_grab_cancel(struct weston_pointer_grab *grab) +{ + struct rotate_grab *rotate = + container_of(grab, struct rotate_grab, base.grab); + + shell_grab_end(&rotate->base); + free(rotate); +} + +static const struct weston_pointer_grab_interface rotate_grab_interface = { + noop_grab_focus, + rotate_grab_motion, + rotate_grab_button, + rotate_grab_cancel, +}; + +static void +surface_rotate(struct shell_surface *surface, struct weston_seat *seat) +{ + struct rotate_grab *rotate; + float dx, dy; + float r; + + rotate = malloc(sizeof *rotate); + if (!rotate) + return; + + weston_surface_to_global_float(surface->surface, + surface->surface->geometry.width * 0.5f, + surface->surface->geometry.height * 0.5f, + &rotate->center.x, &rotate->center.y); + + 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); + weston_matrix_rotate_xy(&inverse, dx / r, -dy / r); + weston_matrix_multiply(&surface->rotation.rotation, &inverse); + + weston_matrix_init(&rotate->rotation); + weston_matrix_rotate_xy(&rotate->rotation, dx / r, dy / r); + } else { + weston_matrix_init(&surface->rotation.rotation); + weston_matrix_init(&rotate->rotation); + } + + shell_grab_start(&rotate->base, &rotate_grab_interface, surface, + seat->pointer, DESKTOP_SHELL_CURSOR_ARROW); +} + +static void +rotate_binding(struct weston_seat *seat, uint32_t time, uint32_t button, + void *data) +{ + struct weston_surface *focus = + (struct weston_surface *) seat->pointer->focus; + struct weston_surface *base_surface; + struct shell_surface *surface; + + base_surface = weston_surface_get_main_surface(focus); + if (base_surface == NULL) + return; + + surface = get_shell_surface(base_surface); + if (!surface || surface->type == SHELL_SURFACE_FULLSCREEN || + surface->type == SHELL_SURFACE_MAXIMIZED) + return; + + surface_rotate(surface, seat); +} + +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 weston_surface *main_surface; + struct focus_state *state; + struct workspace *ws; + + main_surface = weston_surface_get_main_surface(es); + + weston_surface_activate(es, seat); + + state = ensure_focus_state(shell, seat); + if (state == NULL) + return; + + state->keyboard_focus = es; + wl_list_remove(&state->surface_destroy_listener.link); + wl_signal_add(&es->destroy_signal, &state->surface_destroy_listener); + + switch (get_shell_surface_type(main_surface)) { + case SHELL_SURFACE_FULLSCREEN: + /* should on top of panels */ + shell_stack_fullscreen(get_shell_surface(main_surface)); + shell_configure_fullscreen(get_shell_surface(main_surface)); + break; + default: + restore_all_output_modes(shell->compositor); + ws = get_current_workspace(shell); + weston_surface_restack(main_surface, &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, int32_t width, int32_t height) +{ +} + +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->configure_private; + return true; + } + return false; +} + +static void +activate_binding(struct weston_seat *seat, + struct desktop_shell *shell, + struct weston_surface *focus) +{ + struct weston_surface *main_surface; + + if (!focus) + return; + + if (is_black_surface(focus, &main_surface)) + focus = main_surface; + + main_surface = weston_surface_get_main_surface(focus); + if (get_shell_surface_type(main_surface) == SHELL_SURFACE_NONE) + return; + + activate(shell, focus, seat); +} + +static void +click_to_activate_binding(struct weston_seat *seat, uint32_t time, uint32_t button, + void *data) +{ + if (seat->pointer->grab != &seat->pointer->default_grab) + return; + + activate_binding(seat, data, + (struct weston_surface *) seat->pointer->focus); +} + +static void +touch_to_activate_binding(struct weston_seat *seat, uint32_t time, void *data) +{ + if (seat->touch->grab != &seat->touch->default_grab) + return; + + activate_binding(seat, data, + (struct weston_surface *) seat->touch->focus); +} + +static void +lock(struct desktop_shell *shell) +{ + struct workspace *ws = get_current_workspace(shell); + + if (shell->locked) { + weston_compositor_sleep(shell->compositor); + 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); + if (shell->showing_input_panels) + wl_list_remove(&shell->input_panel_layer.link); + wl_list_remove(&ws->layer.link); + wl_list_insert(&shell->compositor->cursor_layer.link, + &shell->lock_layer.link); + + launch_screensaver(shell); + + /* TODO: disable bindings that should not work while locked. */ + + /* All this must be undone in resume_desktop(). */ +} + +static void +unlock(struct desktop_shell *shell) +{ + if (!shell->locked || shell->lock_surface) { + shell_fade(shell, FADE_IN); + 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 +shell_fade_done(struct weston_surface_animation *animation, void *data) +{ + struct desktop_shell *shell = data; + + shell->fade.animation = NULL; + + switch (shell->fade.type) { + case FADE_IN: + weston_surface_destroy(shell->fade.surface); + shell->fade.surface = NULL; + break; + case FADE_OUT: + lock(shell); + break; + } +} + +static struct weston_surface * +shell_fade_create_surface(struct desktop_shell *shell) +{ + struct weston_compositor *compositor = shell->compositor; + struct weston_surface *surface; + + surface = weston_surface_create(compositor); + if (!surface) + return NULL; + + weston_surface_configure(surface, 0, 0, 8192, 8192); + weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1.0); + wl_list_insert(&compositor->fade_layer.surface_list, + &surface->layer_link); + pixman_region32_init(&surface->input); + + return surface; +} + +static void +shell_fade(struct desktop_shell *shell, enum fade_type type) +{ + float tint; + + switch (type) { + case FADE_IN: + tint = 0.0; + break; + case FADE_OUT: + tint = 1.0; + break; + default: + weston_log("shell: invalid fade type\n"); + return; + } + + shell->fade.type = type; + + if (shell->fade.surface == NULL) { + shell->fade.surface = shell_fade_create_surface(shell); + if (!shell->fade.surface) + return; + + shell->fade.surface->alpha = 1.0 - tint; + weston_surface_update_transform(shell->fade.surface); + } + + if (shell->fade.animation) + weston_fade_update(shell->fade.animation, tint); + else + shell->fade.animation = + weston_fade_run(shell->fade.surface, + 1.0 - tint, tint, 300.0, + shell_fade_done, shell); +} + +static void +do_shell_fade_startup(void *data) +{ + struct desktop_shell *shell = data; + + if (shell->startup_animation_type == ANIMATION_FADE) + shell_fade(shell, FADE_IN); + else if (shell->startup_animation_type == ANIMATION_NONE) { + weston_surface_destroy(shell->fade.surface); + shell->fade.surface = NULL; + } +} + +static void +shell_fade_startup(struct desktop_shell *shell) +{ + struct wl_event_loop *loop; + + if (!shell->fade.startup_timer) + return; + + wl_event_source_remove(shell->fade.startup_timer); + shell->fade.startup_timer = NULL; + + loop = wl_display_get_event_loop(shell->compositor->wl_display); + wl_event_loop_add_idle(loop, do_shell_fade_startup, shell); +} + +static int +fade_startup_timeout(void *data) +{ + struct desktop_shell *shell = data; + + shell_fade_startup(shell); + return 0; +} + +static void +shell_fade_init(struct desktop_shell *shell) +{ + /* Make compositor output all black, and wait for the desktop-shell + * client to signal it is ready, then fade in. The timer triggers a + * fade-in, in case the desktop-shell client takes too long. + */ + + struct wl_event_loop *loop; + + if (shell->fade.surface != NULL) { + weston_log("%s: warning: fade surface already exists\n", + __func__); + return; + } + + shell->fade.surface = shell_fade_create_surface(shell); + if (!shell->fade.surface) + return; + + weston_surface_update_transform(shell->fade.surface); + weston_surface_damage(shell->fade.surface); + + loop = wl_display_get_event_loop(shell->compositor->wl_display); + shell->fade.startup_timer = + wl_event_loop_add_timer(loop, fade_startup_timeout, shell); + wl_event_source_timer_update(shell->fade.startup_timer, 15000); +} + +static void +idle_handler(struct wl_listener *listener, void *data) +{ + struct desktop_shell *shell = + container_of(listener, struct desktop_shell, idle_listener); + + shell_fade(shell, FADE_OUT); + /* lock() is called from shell_fade_done() */ +} + +static void +wake_handler(struct wl_listener *listener, void *data) +{ + struct desktop_shell *shell = + container_of(listener, struct desktop_shell, wake_listener); + + unlock(shell); +} + +static void +show_input_panels(struct wl_listener *listener, void *data) +{ + struct desktop_shell *shell = + container_of(listener, struct desktop_shell, + show_input_panel_listener); + struct input_panel_surface *surface, *next; + struct weston_surface *ws; + + shell->text_input.surface = (struct weston_surface*)data; + + if (shell->showing_input_panels) + return; + + shell->showing_input_panels = true; + + if (!shell->locked) + wl_list_insert(&shell->panel_layer.link, + &shell->input_panel_layer.link); + + wl_list_for_each_safe(surface, next, + &shell->input_panel.surfaces, link) { + ws = surface->surface; + if (!ws->buffer_ref.buffer) + continue; + wl_list_insert(&shell->input_panel_layer.surface_list, + &ws->layer_link); + weston_surface_geometry_dirty(ws); + weston_surface_update_transform(ws); + weston_surface_damage(ws); + weston_slide_run(ws, ws->geometry.height, 0, NULL, NULL); + } +} + +static void +hide_input_panels(struct wl_listener *listener, void *data) +{ + struct desktop_shell *shell = + container_of(listener, struct desktop_shell, + hide_input_panel_listener); + struct weston_surface *surface, *next; + + if (!shell->showing_input_panels) + return; + + shell->showing_input_panels = false; + + if (!shell->locked) + wl_list_remove(&shell->input_panel_layer.link); + + wl_list_for_each_safe(surface, next, + &shell->input_panel_layer.surface_list, layer_link) + weston_surface_unmap(surface); +} + +static void +update_input_panels(struct wl_listener *listener, void *data) +{ + struct desktop_shell *shell = + container_of(listener, struct desktop_shell, + update_input_panel_listener); + + memcpy(&shell->text_input.cursor_rectangle, data, sizeof(pixman_box32_t)); +} + +static void +center_on_output(struct weston_surface *surface, struct weston_output *output) +{ + int32_t surf_x, surf_y, width, height; + float x, y; + + surface_subsurfaces_boundingbox(surface, &surf_x, &surf_y, &width, &height); + + x = output->x + (output->width - width) / 2 - surf_x / 2; + y = output->y + (output->height - height) / 2 - surf_y / 2; + + weston_surface_configure(surface, x, y, width, height); +} + +static void +weston_surface_set_initial_position (struct weston_surface *surface, + struct desktop_shell *shell) +{ + struct weston_compositor *compositor = shell->compositor; + int ix = 0, iy = 0; + int range_x, range_y; + int dx, dy, x, y, panel_height; + struct weston_output *output, *target_output = NULL; + struct weston_seat *seat; + + /* As a heuristic place the new window on the same output as the + * pointer. Falling back to the output containing 0, 0. + * + * TODO: Do something clever for touch too? + */ + wl_list_for_each(seat, &compositor->seat_list, link) { + if (seat->pointer) { + ix = wl_fixed_to_int(seat->pointer->x); + iy = wl_fixed_to_int(seat->pointer->y); + break; + } + } + + wl_list_for_each(output, &compositor->output_list, link) { + if (pixman_region32_contains_point(&output->region, ix, iy, NULL)) { + target_output = output; + break; + } + } + + if (!target_output) { + weston_surface_set_position(surface, 10 + random() % 400, + 10 + random() % 400); + return; + } + + /* Valid range within output where the surface will still be onscreen. + * If this is negative it means that the surface is bigger than + * output. + */ + panel_height = get_output_panel_height(shell, target_output); + range_x = target_output->width - surface->geometry.width; + range_y = (target_output->height - panel_height) - + surface->geometry.height; + + if (range_x > 0) + dx = random() % range_x; + else + dx = 0; + + if (range_y > 0) + dy = panel_height + random() % range_y; + else + dy = panel_height; + + x = target_output->x + dx; + y = target_output->y + dy; + + weston_surface_set_position (surface, x, 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; + int32_t surf_x, surf_y; + + surface->geometry.width = width; + surface->geometry.height = height; + weston_surface_geometry_dirty(surface); + + /* initial positioning, see also configure() */ + switch (surface_type) { + case SHELL_SURFACE_TOPLEVEL: + weston_surface_set_initial_position(surface, shell); + break; + case SHELL_SURFACE_FULLSCREEN: + center_on_output(surface, shsurf->fullscreen_output); + 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); + surface_subsurfaces_boundingbox(shsurf->surface, &surf_x, &surf_y, + NULL, NULL); + weston_surface_set_position(surface, shsurf->output->x - surf_x, + shsurf->output->y + panel_height - surf_y); + break; + case SHELL_SURFACE_POPUP: + shell_map_popup(shsurf); + break; + 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_POPUP: + case SHELL_SURFACE_TRANSIENT: + parent = shsurf->parent; + wl_list_insert(parent->layer_link.prev, &surface->layer_link); + break; + case SHELL_SURFACE_FULLSCREEN: + case SHELL_SURFACE_NONE: + break; + case SHELL_SURFACE_XWAYLAND: + 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_update_transform(surface); + if (surface_type == SHELL_SURFACE_MAXIMIZED) + surface->output = shsurf->output; + } + + switch (surface_type) { + /* XXX: xwayland's using the same fields for transient type */ + case SHELL_SURFACE_XWAYLAND: + 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, 0.0, 1.0, 300.0, NULL, NULL); + break; + case ANIMATION_ZOOM: + weston_zoom_run(surface, 0.5, 1.0, NULL, NULL); + break; + default: + break; + } + } +} + +static void +configure(struct desktop_shell *shell, struct weston_surface *surface, + float x, float y, int32_t width, int32_t height) +{ + enum shell_surface_type surface_type = SHELL_SURFACE_NONE; + struct shell_surface *shsurf; + int32_t surf_x, surf_y; + + shsurf = get_shell_surface(surface); + if (shsurf) + surface_type = shsurf->type; + + weston_surface_configure(surface, x, y, width, height); + + switch (surface_type) { + 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_subsurfaces_boundingbox(shsurf->surface, &surf_x, &surf_y, + NULL, NULL); + surface->geometry.x = surface->output->x - surf_x; + surface->geometry.y = surface->output->y + + get_output_panel_height(shell,surface->output) - surf_y; + break; + case SHELL_SURFACE_TOPLEVEL: + break; + default: + break; + } + + /* XXX: would a fullscreen surface need the same handling? */ + if (surface->output) { + weston_surface_update_transform(surface); + + 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, int32_t width, int32_t height) +{ + struct shell_surface *shsurf = get_shell_surface(es); + struct desktop_shell *shell = shsurf->shell; + + int type_changed = 0; + + if (!weston_surface_is_mapped(es) && + !wl_list_empty(&shsurf->popup.grab_link)) { + remove_popup_grab(shsurf); + } + + if (width == 0) + return; + + 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, width, height, sx, sy); + } else if (type_changed || sx != 0 || sy != 0 || + es->geometry.width != width || + es->geometry.height != height) { + float from_x, from_y; + float 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, + width, height); + } +} + +static void launch_desktop_shell_process(void *data); + +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); + shell_fade_startup(shell); +} + +static void +launch_desktop_shell_process(void *data) +{ + struct desktop_shell *shell = data; + 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) + weston_log("not able to start %s\n", shell_exe); +} + +static void +bind_shell(struct wl_client *client, void *data, uint32_t version, uint32_t id) +{ + struct desktop_shell *shell = data; + struct wl_resource *resource; + + resource = wl_resource_create(client, &wl_shell_interface, 1, id); + if (resource) + wl_resource_set_implementation(resource, &shell_implementation, + shell, NULL); +} + +static void +unbind_desktop_shell(struct wl_resource *resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + + if (shell->locked) + resume_desktop(shell); + + shell->child.desktop_shell = NULL; + shell->prepare_event_sent = false; +} + +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_resource_create(client, &desktop_shell_interface, + MIN(version, 2), id); + + if (client == shell->child.client) { + wl_resource_set_implementation(resource, + &desktop_shell_implementation, + shell, unbind_desktop_shell); + shell->child.desktop_shell = resource; + + if (version < 2) + shell_fade_startup(shell); + + return; + } + + wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT, + "permission to bind desktop_shell denied"); + wl_resource_destroy(resource); +} + +static void +screensaver_configure(struct weston_surface *surface, int32_t sx, int32_t sy, int32_t width, int32_t height) +{ + struct desktop_shell *shell = surface->configure_private; + + if (width == 0) + return; + + /* XXX: starting weston-screensaver beforehand does not work */ + if (!shell->locked) + return; + + center_on_output(surface, surface->output); + + if (wl_list_empty(&surface->layer_link)) { + wl_list_insert(shell->lock_layer.surface_list.prev, + &surface->layer_link); + weston_surface_update_transform(surface); + wl_event_source_timer_update(shell->screensaver.timer, + shell->screensaver.duration); + shell_fade(shell, FADE_IN); + } +} + +static void +screensaver_set_surface(struct wl_client *client, + struct wl_resource *resource, + struct wl_resource *surface_resource, + struct wl_resource *output_resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + struct weston_surface *surface = + wl_resource_get_user_data(surface_resource); + struct weston_output *output = wl_resource_get_user_data(output_resource); + + surface->configure = screensaver_configure; + surface->configure_private = shell; + surface->output = output; +} + +static const struct screensaver_interface screensaver_implementation = { + screensaver_set_surface +}; + +static void +unbind_screensaver(struct wl_resource *resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + + shell->screensaver.binding = NULL; +} + +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_resource_create(client, &screensaver_interface, 1, id); + + if (shell->screensaver.binding == NULL) { + wl_resource_set_implementation(resource, + &screensaver_implementation, + shell, 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); +} + +static void +input_panel_configure(struct weston_surface *surface, int32_t sx, int32_t sy, int32_t width, int32_t height) +{ + struct input_panel_surface *ip_surface = surface->configure_private; + struct desktop_shell *shell = ip_surface->shell; + float x, y; + uint32_t show_surface = 0; + + if (width == 0) + return; + + if (!weston_surface_is_mapped(surface)) { + if (!shell->showing_input_panels) + return; + + show_surface = 1; + } + + fprintf(stderr, "%s panel: %d, output: %p\n", __FUNCTION__, ip_surface->panel, ip_surface->output); + + if (ip_surface->panel) { + x = shell->text_input.surface->geometry.x + shell->text_input.cursor_rectangle.x2; + y = shell->text_input.surface->geometry.y + shell->text_input.cursor_rectangle.y2; + } else { + x = ip_surface->output->x + (ip_surface->output->width - width) / 2; + y = ip_surface->output->y + ip_surface->output->height - height; + } + + weston_surface_configure(surface, + x, y, + width, height); + + if (show_surface) { + wl_list_insert(&shell->input_panel_layer.surface_list, + &surface->layer_link); + weston_surface_update_transform(surface); + weston_surface_damage(surface); + weston_slide_run(surface, surface->geometry.height, 0, NULL, NULL); + } +} + +static void +destroy_input_panel_surface(struct input_panel_surface *input_panel_surface) +{ + wl_signal_emit(&input_panel_surface->destroy_signal, input_panel_surface); + + wl_list_remove(&input_panel_surface->surface_destroy_listener.link); + wl_list_remove(&input_panel_surface->link); + + input_panel_surface->surface->configure = NULL; + + free(input_panel_surface); +} + +static struct input_panel_surface * +get_input_panel_surface(struct weston_surface *surface) +{ + if (surface->configure == input_panel_configure) { + return surface->configure_private; + } else { + return NULL; + } +} + +static void +input_panel_handle_surface_destroy(struct wl_listener *listener, void *data) +{ + struct input_panel_surface *ipsurface = container_of(listener, + struct input_panel_surface, + surface_destroy_listener); + + if (ipsurface->resource) { + wl_resource_destroy(ipsurface->resource); + } else { + destroy_input_panel_surface(ipsurface); + } +} + +static struct input_panel_surface * +create_input_panel_surface(struct desktop_shell *shell, + struct weston_surface *surface) +{ + struct input_panel_surface *input_panel_surface; + + input_panel_surface = calloc(1, sizeof *input_panel_surface); + if (!input_panel_surface) + return NULL; + + surface->configure = input_panel_configure; + surface->configure_private = input_panel_surface; + + input_panel_surface->shell = shell; + + input_panel_surface->surface = surface; + + wl_signal_init(&input_panel_surface->destroy_signal); + input_panel_surface->surface_destroy_listener.notify = input_panel_handle_surface_destroy; + wl_signal_add(&surface->destroy_signal, + &input_panel_surface->surface_destroy_listener); + + wl_list_init(&input_panel_surface->link); + + return input_panel_surface; +} + +static void +input_panel_surface_set_toplevel(struct wl_client *client, + struct wl_resource *resource, + struct wl_resource *output_resource, + uint32_t position) +{ + struct input_panel_surface *input_panel_surface = + wl_resource_get_user_data(resource); + struct desktop_shell *shell = input_panel_surface->shell; + + wl_list_insert(&shell->input_panel.surfaces, + &input_panel_surface->link); + + input_panel_surface->output = wl_resource_get_user_data(output_resource); + input_panel_surface->panel = 0; +} + +static void +input_panel_surface_set_overlay_panel(struct wl_client *client, + struct wl_resource *resource) +{ + struct input_panel_surface *input_panel_surface = + wl_resource_get_user_data(resource); + struct desktop_shell *shell = input_panel_surface->shell; + + wl_list_insert(&shell->input_panel.surfaces, + &input_panel_surface->link); + + input_panel_surface->panel = 1; +} + +static const struct wl_input_panel_surface_interface input_panel_surface_implementation = { + input_panel_surface_set_toplevel, + input_panel_surface_set_overlay_panel +}; + +static void +destroy_input_panel_surface_resource(struct wl_resource *resource) +{ + struct input_panel_surface *ipsurf = + wl_resource_get_user_data(resource); + + destroy_input_panel_surface(ipsurf); +} + +static void +input_panel_get_input_panel_surface(struct wl_client *client, + struct wl_resource *resource, + uint32_t id, + struct wl_resource *surface_resource) +{ + struct weston_surface *surface = + wl_resource_get_user_data(surface_resource); + struct desktop_shell *shell = wl_resource_get_user_data(resource); + struct input_panel_surface *ipsurf; + + if (get_input_panel_surface(surface)) { + wl_resource_post_error(surface_resource, + WL_DISPLAY_ERROR_INVALID_OBJECT, + "wl_input_panel::get_input_panel_surface already requested"); + return; + } + + ipsurf = create_input_panel_surface(shell, surface); + if (!ipsurf) { + wl_resource_post_error(surface_resource, + WL_DISPLAY_ERROR_INVALID_OBJECT, + "surface->configure already set"); + return; + } + + ipsurf->resource = + wl_resource_create(client, + &wl_input_panel_surface_interface, 1, id); + wl_resource_set_implementation(ipsurf->resource, + &input_panel_surface_implementation, + ipsurf, + destroy_input_panel_surface_resource); +} + +static const struct wl_input_panel_interface input_panel_implementation = { + input_panel_get_input_panel_surface +}; + +static void +unbind_input_panel(struct wl_resource *resource) +{ + struct desktop_shell *shell = wl_resource_get_user_data(resource); + + shell->input_panel.binding = NULL; +} + +static void +bind_input_panel(struct wl_client *client, + void *data, uint32_t version, uint32_t id) +{ + struct desktop_shell *shell = data; + struct wl_resource *resource; + + resource = wl_resource_create(client, + &wl_input_panel_interface, 1, id); + + if (shell->input_panel.binding == NULL) { + wl_resource_set_implementation(resource, + &input_panel_implementation, + shell, unbind_input_panel); + shell->input_panel.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 weston_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; + weston_surface_geometry_dirty(surface); + weston_surface_damage(surface); + break; + default: + break; + } + + if (is_black_surface(surface, NULL)) { + surface->alpha = 0.25; + weston_surface_geometry_dirty(surface); + weston_surface_damage(surface); + } + } + + if (next == NULL) + next = first; + + if (next == NULL) + return; + + wl_list_remove(&switcher->listener.link); + wl_signal_add(&next->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 weston_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); + weston_keyboard_end_grab(keyboard); + if (keyboard->input_method_resource) + keyboard->grab = &keyboard->input_method_grab; + free(switcher); +} + +static void +switcher_key(struct weston_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 weston_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 void +switcher_cancel(struct weston_keyboard_grab *grab) +{ + struct switcher *switcher = container_of(grab, struct switcher, grab); + + switcher_destroy(switcher); +} + +static const struct weston_keyboard_grab_interface switcher_grab = { + switcher_key, + switcher_modifier, + switcher_cancel, +}; + +static void +switcher_binding(struct weston_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); + + restore_all_output_modes(shell->compositor); + lower_fullscreen_layer(switcher->shell); + switcher->grab.interface = &switcher_grab; + weston_keyboard_start_grab(seat->keyboard, &switcher->grab); + weston_keyboard_set_focus(seat->keyboard, NULL); + switcher_next(switcher); +} + +static void +backlight_binding(struct weston_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); +} + +struct debug_binding_grab { + struct weston_keyboard_grab grab; + struct weston_seat *seat; + uint32_t key[2]; + int key_released[2]; +}; + +static void +debug_binding_key(struct weston_keyboard_grab *grab, uint32_t time, + uint32_t key, uint32_t state) +{ + struct debug_binding_grab *db = (struct debug_binding_grab *) grab; + struct weston_compositor *ec = db->seat->compositor; + struct wl_display *display = ec->wl_display; + struct wl_resource *resource; + uint32_t serial; + int send = 0, terminate = 0; + int check_binding = 1; + int i; + struct wl_list *resource_list; + + if (state == WL_KEYBOARD_KEY_STATE_RELEASED) { + /* Do not run bindings on key releases */ + check_binding = 0; + + for (i = 0; i < 2; i++) + if (key == db->key[i]) + db->key_released[i] = 1; + + if (db->key_released[0] && db->key_released[1]) { + /* All key releases been swalled so end the grab */ + terminate = 1; + } else if (key != db->key[0] && key != db->key[1]) { + /* Should not swallow release of other keys */ + send = 1; + } + } else if (key == db->key[0] && !db->key_released[0]) { + /* Do not check bindings for the first press of the binding + * key. This allows it to be used as a debug shortcut. + * We still need to swallow this event. */ + check_binding = 0; + } else if (db->key[1]) { + /* If we already ran a binding don't process another one since + * we can't keep track of all the binding keys that were + * pressed in order to swallow the release events. */ + send = 1; + check_binding = 0; + } + + if (check_binding) { + if (weston_compositor_run_debug_binding(ec, db->seat, time, + key, state)) { + /* We ran a binding so swallow the press and keep the + * grab to swallow the released too. */ + send = 0; + terminate = 0; + db->key[1] = key; + } else { + /* Terminate the grab since the key pressed is not a + * debug binding key. */ + send = 1; + terminate = 1; + } + } + + if (send) { + serial = wl_display_next_serial(display); + resource_list = &grab->keyboard->focus_resource_list; + wl_resource_for_each(resource, resource_list) { + wl_keyboard_send_key(resource, serial, time, key, state); + } + } + + if (terminate) { + weston_keyboard_end_grab(grab->keyboard); + if (grab->keyboard->input_method_resource) + grab->keyboard->grab = &grab->keyboard->input_method_grab; + free(db); + } +} + +static void +debug_binding_modifiers(struct weston_keyboard_grab *grab, uint32_t serial, + uint32_t mods_depressed, uint32_t mods_latched, + uint32_t mods_locked, uint32_t group) +{ + struct wl_resource *resource; + struct wl_list *resource_list; + + resource_list = &grab->keyboard->focus_resource_list; + + wl_resource_for_each(resource, resource_list) { + wl_keyboard_send_modifiers(resource, serial, mods_depressed, + mods_latched, mods_locked, group); + } +} + +static void +debug_binding_cancel(struct weston_keyboard_grab *grab) +{ + struct debug_binding_grab *db = (struct debug_binding_grab *) grab; + + weston_keyboard_end_grab(grab->keyboard); + free(db); +} + +struct weston_keyboard_grab_interface debug_binding_keyboard_grab = { + debug_binding_key, + debug_binding_modifiers, + debug_binding_cancel, +}; + +static void +debug_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data) +{ + struct debug_binding_grab *grab; + + grab = calloc(1, sizeof *grab); + if (!grab) + return; + + grab->seat = (struct weston_seat *) seat; + grab->key[0] = key; + grab->grab.interface = &debug_binding_keyboard_grab; + weston_keyboard_start_grab(seat->keyboard, &grab->grab); +} + +static void +force_kill_binding(struct weston_seat *seat, uint32_t time, uint32_t key, + void *data) +{ + struct weston_surface *focus_surface; + struct wl_client *client; + struct desktop_shell *shell = data; + struct weston_compositor *compositor = shell->compositor; + pid_t pid; + + focus_surface = seat->keyboard->focus; + if (!focus_surface) + return; + + wl_signal_emit(&compositor->kill_signal, focus_surface); + + client = wl_resource_get_client(focus_surface->resource); + wl_client_get_credentials(client, &pid, NULL, NULL); + + /* Skip clients that we launched ourselves (the credentials of + * the socketpair is ours) */ + if (pid == getpid()) + return; + + kill(pid, SIGKILL); +} + +static void +workspace_up_binding(struct weston_seat *seat, uint32_t time, + uint32_t key, void *data) +{ + struct desktop_shell *shell = data; + unsigned int new_index = shell->workspaces.current; + + if (shell->locked) + return; + if (new_index != 0) + new_index--; + + change_workspace(shell, new_index); +} + +static void +workspace_down_binding(struct weston_seat *seat, uint32_t time, + uint32_t key, void *data) +{ + struct desktop_shell *shell = data; + unsigned int new_index = shell->workspaces.current; + + if (shell->locked) + return; + if (new_index < shell->workspaces.num - 1) + new_index++; + + change_workspace(shell, new_index); +} + +static void +workspace_f_binding(struct weston_seat *seat, uint32_t time, + uint32_t key, void *data) +{ + struct desktop_shell *shell = data; + unsigned int new_index; + + if (shell->locked) + return; + new_index = key - KEY_F1; + if (new_index >= shell->workspaces.num) + new_index = shell->workspaces.num - 1; + + change_workspace(shell, new_index); +} + +static void +workspace_move_surface_up_binding(struct weston_seat *seat, uint32_t time, + uint32_t key, void *data) +{ + struct desktop_shell *shell = data; + unsigned int new_index = shell->workspaces.current; + + if (shell->locked) + return; + + if (new_index != 0) + new_index--; + + take_surface_to_workspace_by_seat(shell, seat, new_index); +} + +static void +workspace_move_surface_down_binding(struct weston_seat *seat, uint32_t time, + uint32_t key, void *data) +{ + struct desktop_shell *shell = data; + unsigned int new_index = shell->workspaces.current; + + if (shell->locked) + return; + + if (new_index < shell->workspaces.num - 1) + new_index++; + + take_surface_to_workspace_by_seat(shell, seat, 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->idle_listener.link); + wl_list_remove(&shell->wake_listener.link); + wl_list_remove(&shell->show_input_panel_listener.link); + wl_list_remove(&shell->hide_input_panel_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_touch_binding(ec, 0, + touch_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_touch_binding(ec, mod, touch_move_binding, shell); + weston_compositor_add_button_binding(ec, BTN_MIDDLE, mod, + resize_binding, shell); + + if (ec->capabilities & WESTON_CAP_ROTATION_ANY) + 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_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); + weston_compositor_add_key_binding(ec, KEY_UP, mod | MODIFIER_SHIFT, + workspace_move_surface_up_binding, + shell); + weston_compositor_add_key_binding(ec, KEY_DOWN, mod | MODIFIER_SHIFT, + workspace_move_surface_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); + } + + /* Debug bindings */ + weston_compositor_add_key_binding(ec, KEY_SPACE, mod | MODIFIER_SHIFT, + debug_binding, shell); +} + +WL_EXPORT int +module_init(struct weston_compositor *ec, + int *argc, char *argv[]) +{ + struct weston_seat *seat; + struct desktop_shell *shell; + struct workspace **pws; + unsigned int i; + struct wl_event_loop *loop; + + shell = zalloc(sizeof *shell); + if (shell == NULL) + return -1; + + shell->compositor = ec; + + shell->destroy_listener.notify = shell_destroy; + wl_signal_add(&ec->destroy_signal, &shell->destroy_listener); + shell->idle_listener.notify = idle_handler; + wl_signal_add(&ec->idle_signal, &shell->idle_listener); + shell->wake_listener.notify = wake_handler; + wl_signal_add(&ec->wake_signal, &shell->wake_listener); + shell->show_input_panel_listener.notify = show_input_panels; + wl_signal_add(&ec->show_input_panel_signal, &shell->show_input_panel_listener); + shell->hide_input_panel_listener.notify = hide_input_panels; + wl_signal_add(&ec->hide_input_panel_signal, &shell->hide_input_panel_listener); + shell->update_input_panel_listener.notify = update_input_panels; + wl_signal_add(&ec->update_input_panel_signal, &shell->update_input_panel_listener); + ec->ping_handler = ping_handler; + ec->shell_interface.shell = shell; + 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.set_fullscreen = set_fullscreen; + ec->shell_interface.set_xwayland = set_xwayland; + ec->shell_interface.move = surface_move; + ec->shell_interface.resize = surface_resize; + ec->shell_interface.set_title = set_title; + + wl_list_init(&shell->input_panel.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); + weston_layer_init(&shell->input_panel_layer, NULL); + + wl_array_init(&shell->workspaces.array); + wl_list_init(&shell->workspaces.client_list); + + 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.anim_sticky_list); + wl_list_init(&shell->workspaces.animation.link); + shell->workspaces.animation.frame = animate_workspace_change_frame; + + if (wl_global_create(ec->wl_display, &wl_shell_interface, 1, + shell, bind_shell) == NULL) + return -1; + + if (wl_global_create(ec->wl_display, + &desktop_shell_interface, 2, + shell, bind_desktop_shell) == NULL) + return -1; + + if (wl_global_create(ec->wl_display, &screensaver_interface, 1, + shell, bind_screensaver) == NULL) + return -1; + + if (wl_global_create(ec->wl_display, &wl_input_panel_interface, 1, + shell, bind_input_panel) == NULL) + return -1; + + if (wl_global_create(ec->wl_display, &workspace_manager_interface, 1, + shell, bind_workspace_manager) == NULL) + return -1; + + shell->child.deathstamp = weston_compositor_get_time(); + + loop = wl_display_get_event_loop(ec->wl_display); + wl_event_loop_add_idle(loop, launch_desktop_shell_process, shell); + + shell->screensaver.timer = + wl_event_loop_add_timer(loop, screensaver_timeout, shell); + + wl_list_for_each(seat, &ec->seat_list, link) + create_pointer_focus_listener(seat); + + shell_add_bindings(ec, shell); + + shell_fade_init(shell); + + return 0; +} |