| /* |
| * Copyright © 2010-2012 Intel Corporation |
| * Copyright © 2011-2012 Collabora, Ltd. |
| * Copyright © 2013 Raspberry Pi Foundation |
| * Copyright © 2016 Quentin "Sardem FF7" Glidic |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "config.h" |
| |
| #include <assert.h> |
| |
| #include <wayland-server.h> |
| |
| #include "compositor.h" |
| #include "zalloc.h" |
| |
| #include "libweston-desktop.h" |
| #include "internal.h" |
| |
| #define WD_WL_SHELL_PROTOCOL_VERSION 1 |
| |
| enum weston_desktop_wl_shell_surface_state { |
| NONE, |
| TOPLEVEL, |
| MAXIMIZED, |
| FULLSCREEN, |
| TRANSIENT, |
| POPUP, |
| }; |
| |
| struct weston_desktop_wl_shell_surface { |
| struct wl_resource *resource; |
| struct weston_desktop *desktop; |
| struct wl_display *display; |
| struct weston_desktop_surface *surface; |
| struct weston_desktop_surface *parent; |
| bool added; |
| struct weston_desktop_seat *popup_seat; |
| enum weston_desktop_wl_shell_surface_state state; |
| struct wl_listener wl_surface_resource_destroy_listener; |
| }; |
| |
| static void |
| weston_desktop_wl_shell_surface_set_size(struct weston_desktop_surface *dsurface, |
| void *user_data, |
| int32_t width, int32_t height) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| struct weston_surface *wsurface = |
| weston_desktop_surface_get_surface(surface->surface); |
| |
| if ((wsurface->width == width && wsurface->height == height) || |
| (width == 0 && height == 0)) |
| return; |
| |
| wl_shell_surface_send_configure(surface->resource, |
| WL_SHELL_SURFACE_RESIZE_NONE, |
| width, height); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_maybe_ungrab(struct weston_desktop_wl_shell_surface *surface) |
| { |
| if (surface->state != POPUP || |
| !weston_desktop_surface_get_grab(surface->surface)) |
| return; |
| |
| weston_desktop_surface_popup_ungrab(surface->surface, |
| surface->popup_seat); |
| surface->popup_seat = NULL; |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_committed(struct weston_desktop_surface *dsurface, |
| void *user_data, |
| int32_t sx, int32_t sy) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| struct weston_surface *wsurface = |
| weston_desktop_surface_get_surface(dsurface); |
| |
| if (wsurface->buffer_ref.buffer == NULL) |
| weston_desktop_wl_shell_surface_maybe_ungrab(surface); |
| |
| if (surface->added) |
| weston_desktop_api_committed(surface->desktop, surface->surface, |
| sx, sy); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_ping(struct weston_desktop_surface *dsurface, |
| uint32_t serial, void *user_data) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| |
| wl_shell_surface_send_ping(surface->resource, serial); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_close(struct weston_desktop_surface *dsurface, |
| void *user_data) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| |
| if (surface->state == POPUP) |
| wl_shell_surface_send_popup_done(surface->resource); |
| } |
| |
| static bool |
| weston_desktop_wl_shell_surface_get_maximized(struct weston_desktop_surface *dsurface, |
| void *user_data) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| |
| return surface->state == MAXIMIZED; |
| } |
| |
| static bool |
| weston_desktop_wl_shell_surface_get_fullscreen(struct weston_desktop_surface *dsurface, |
| void *user_data) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| |
| return surface->state == FULLSCREEN; |
| } |
| |
| static void |
| weston_desktop_wl_shell_change_state(struct weston_desktop_wl_shell_surface *surface, |
| enum weston_desktop_wl_shell_surface_state state, |
| struct weston_desktop_surface *parent, |
| int32_t x, int32_t y) |
| { |
| bool to_add = (parent == NULL); |
| |
| assert(state != NONE); |
| |
| if (to_add && surface->added) { |
| surface->state = state; |
| return; |
| } |
| |
| if (surface->state != state) { |
| if (surface->state == POPUP) |
| weston_desktop_wl_shell_surface_maybe_ungrab(surface); |
| |
| if (to_add) { |
| weston_desktop_surface_unset_relative_to(surface->surface); |
| weston_desktop_api_surface_added(surface->desktop, |
| surface->surface); |
| } else if (surface->added) { |
| weston_desktop_api_surface_removed(surface->desktop, |
| surface->surface); |
| } |
| |
| surface->state = state; |
| surface->added = to_add; |
| } |
| |
| if (parent != NULL) |
| weston_desktop_surface_set_relative_to(surface->surface, parent, |
| x, y, false); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_destroy(struct weston_desktop_surface *dsurface, |
| void *user_data) |
| { |
| struct weston_desktop_wl_shell_surface *surface = user_data; |
| |
| wl_list_remove(&surface->wl_surface_resource_destroy_listener.link); |
| |
| weston_desktop_wl_shell_surface_maybe_ungrab(surface); |
| weston_desktop_surface_unset_relative_to(surface->surface); |
| if (surface->added) |
| weston_desktop_api_surface_removed(surface->desktop, |
| surface->surface); |
| |
| free(surface); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_pong(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| uint32_t serial) |
| { |
| struct weston_desktop_surface *surface = wl_resource_get_user_data(resource); |
| |
| weston_desktop_client_pong(weston_desktop_surface_get_client(surface), serial); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_move(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| struct wl_resource *seat_resource, |
| uint32_t serial) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_seat *seat = |
| wl_resource_get_user_data(seat_resource); |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| |
| weston_desktop_api_move(surface->desktop, dsurface, seat, serial); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_resize(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| struct wl_resource *seat_resource, |
| uint32_t serial, |
| enum wl_shell_surface_resize edges) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_seat *seat = wl_resource_get_user_data(seat_resource); |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| enum weston_desktop_surface_edge surf_edges = |
| (enum weston_desktop_surface_edge) edges; |
| |
| weston_desktop_api_resize(surface->desktop, dsurface, seat, serial, surf_edges); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_toplevel(struct wl_client *wl_client, |
| struct wl_resource *resource) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| |
| weston_desktop_wl_shell_change_state(surface, TOPLEVEL, NULL, 0, 0); |
| if (surface->parent == NULL) |
| return; |
| surface->parent = NULL; |
| weston_desktop_api_set_parent(surface->desktop, surface->surface, NULL); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_transient(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| struct wl_resource *parent_resource, |
| int32_t x, int32_t y, |
| enum wl_shell_surface_transient flags) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_surface *wparent = |
| wl_resource_get_user_data(parent_resource); |
| struct weston_desktop_surface *parent; |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| |
| if (!weston_surface_is_desktop_surface(wparent)) |
| return; |
| |
| parent = weston_surface_get_desktop_surface(wparent); |
| if (flags & WL_SHELL_SURFACE_TRANSIENT_INACTIVE) { |
| weston_desktop_wl_shell_change_state(surface, TRANSIENT, parent, |
| x, y); |
| } else { |
| weston_desktop_wl_shell_change_state(surface, TOPLEVEL, NULL, |
| 0, 0); |
| surface->parent = parent; |
| weston_desktop_api_set_parent(surface->desktop, |
| surface->surface, parent); |
| } |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_fullscreen(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| enum wl_shell_surface_fullscreen_method method, |
| uint32_t framerate, |
| struct wl_resource *output_resource) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| struct weston_output *output = NULL; |
| |
| if (output_resource != NULL) |
| output = weston_output_from_resource(output_resource); |
| |
| weston_desktop_wl_shell_change_state(surface, FULLSCREEN, NULL, 0, 0); |
| weston_desktop_api_fullscreen_requested(surface->desktop, dsurface, |
| true, output); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_popup(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| struct wl_resource *seat_resource, |
| uint32_t serial, |
| struct wl_resource *parent_resource, |
| int32_t x, int32_t y, |
| enum wl_shell_surface_transient flags) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_seat *wseat = wl_resource_get_user_data(seat_resource); |
| struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat); |
| struct weston_surface *parent = |
| wl_resource_get_user_data(parent_resource); |
| struct weston_desktop_surface *parent_surface; |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| |
| if (seat == NULL) { |
| wl_client_post_no_memory(wl_client); |
| return; |
| } |
| |
| if (!weston_surface_is_desktop_surface(parent)) |
| return; |
| |
| parent_surface = weston_surface_get_desktop_surface(parent); |
| |
| weston_desktop_wl_shell_change_state(surface, POPUP, |
| parent_surface, x, y); |
| weston_desktop_surface_popup_grab(surface->surface, seat, serial); |
| surface->popup_seat = seat; |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_maximized(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| struct wl_resource *output_resource) |
| { |
| struct weston_desktop_surface *dsurface = |
| wl_resource_get_user_data(resource); |
| struct weston_desktop_wl_shell_surface *surface = |
| weston_desktop_surface_get_implementation_data(dsurface); |
| |
| weston_desktop_wl_shell_change_state(surface, MAXIMIZED, NULL, 0, 0); |
| weston_desktop_api_maximized_requested(surface->desktop, dsurface, true); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_title(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| const char *title) |
| { |
| struct weston_desktop_surface *surface = |
| wl_resource_get_user_data(resource); |
| |
| weston_desktop_surface_set_title(surface, title); |
| } |
| |
| static void |
| weston_desktop_wl_shell_surface_protocol_set_class(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| const char *class_) |
| { |
| struct weston_desktop_surface *surface = |
| wl_resource_get_user_data(resource); |
| |
| weston_desktop_surface_set_app_id(surface, class_); |
| } |
| |
| |
| static const struct wl_shell_surface_interface weston_desktop_wl_shell_surface_implementation = { |
| .pong = weston_desktop_wl_shell_surface_protocol_pong, |
| .move = weston_desktop_wl_shell_surface_protocol_move, |
| .resize = weston_desktop_wl_shell_surface_protocol_resize, |
| .set_toplevel = weston_desktop_wl_shell_surface_protocol_set_toplevel, |
| .set_transient = weston_desktop_wl_shell_surface_protocol_set_transient, |
| .set_fullscreen = weston_desktop_wl_shell_surface_protocol_set_fullscreen, |
| .set_popup = weston_desktop_wl_shell_surface_protocol_set_popup, |
| .set_maximized = weston_desktop_wl_shell_surface_protocol_set_maximized, |
| .set_title = weston_desktop_wl_shell_surface_protocol_set_title, |
| .set_class = weston_desktop_wl_shell_surface_protocol_set_class, |
| }; |
| |
| static const struct weston_desktop_surface_implementation weston_desktop_wl_shell_surface_internal_implementation = { |
| .set_size = weston_desktop_wl_shell_surface_set_size, |
| .committed = weston_desktop_wl_shell_surface_committed, |
| .ping = weston_desktop_wl_shell_surface_ping, |
| .close = weston_desktop_wl_shell_surface_close, |
| |
| .get_maximized = weston_desktop_wl_shell_surface_get_maximized, |
| .get_fullscreen = weston_desktop_wl_shell_surface_get_fullscreen, |
| |
| .destroy = weston_desktop_wl_shell_surface_destroy, |
| }; |
| |
| static void |
| wl_surface_resource_destroyed(struct wl_listener *listener, |
| void *data) |
| { |
| struct weston_desktop_wl_shell_surface *surface = |
| wl_container_of(listener, surface, |
| wl_surface_resource_destroy_listener); |
| |
| /* the wl_shell_surface spec says that wl_shell_surfaces are to be |
| * destroyed automatically when the wl_surface is destroyed. */ |
| weston_desktop_surface_destroy(surface->surface); |
| } |
| |
| static void |
| weston_desktop_wl_shell_protocol_get_shell_surface(struct wl_client *wl_client, |
| struct wl_resource *resource, |
| uint32_t id, |
| struct wl_resource *surface_resource) |
| { |
| struct weston_desktop_client *client = wl_resource_get_user_data(resource); |
| struct weston_surface *wsurface = wl_resource_get_user_data(surface_resource); |
| struct weston_desktop_wl_shell_surface *surface; |
| |
| |
| if (weston_surface_set_role(wsurface, "wl_shell_surface", resource, WL_SHELL_ERROR_ROLE) < 0) |
| return; |
| |
| surface = zalloc(sizeof(struct weston_desktop_wl_shell_surface)); |
| if (surface == NULL) { |
| wl_client_post_no_memory(wl_client); |
| return; |
| } |
| |
| surface->desktop = weston_desktop_client_get_desktop(client); |
| surface->display = weston_desktop_get_display(surface->desktop); |
| |
| surface->surface = |
| weston_desktop_surface_create(surface->desktop, client, wsurface, |
| &weston_desktop_wl_shell_surface_internal_implementation, |
| surface); |
| if (surface->surface == NULL) { |
| free(surface); |
| return; |
| } |
| |
| surface->wl_surface_resource_destroy_listener.notify = |
| wl_surface_resource_destroyed; |
| wl_resource_add_destroy_listener(wsurface->resource, |
| &surface->wl_surface_resource_destroy_listener); |
| |
| surface->resource = |
| weston_desktop_surface_add_resource(surface->surface, |
| &wl_shell_surface_interface, |
| &weston_desktop_wl_shell_surface_implementation, |
| id, NULL); |
| } |
| |
| |
| static const struct wl_shell_interface weston_desktop_wl_shell_implementation = { |
| .get_shell_surface = weston_desktop_wl_shell_protocol_get_shell_surface, |
| }; |
| |
| static void |
| weston_desktop_wl_shell_bind(struct wl_client *client, void *data, |
| uint32_t version, uint32_t id) |
| { |
| struct weston_desktop *desktop = data; |
| |
| weston_desktop_client_create(desktop, client, NULL, &wl_shell_interface, |
| &weston_desktop_wl_shell_implementation, |
| version, id); |
| } |
| |
| struct wl_global * |
| weston_desktop_wl_shell_create(struct weston_desktop *desktop, |
| struct wl_display *display) |
| { |
| return wl_global_create(display, |
| &wl_shell_interface, |
| WD_WL_SHELL_PROTOCOL_VERSION, desktop, |
| weston_desktop_wl_shell_bind); |
| } |