mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-07-22 03:04:13 +00:00
shell: Revive super-tab application switcher
We can do this right, now that we have keyboard grabs.
This commit is contained in:
Kristian Høgsberg
parent
afa264c6b6
commit
0704539ec4
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@ -88,7 +88,6 @@ desktop_shell_la_LIBADD = $(COMPOSITOR_LIBS) \
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desktop_shell_la_CFLAGS = $(GCC_CFLAGS)
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desktop_shell_la_SOURCES = \
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shell.c \
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switcher.c \
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desktop-shell-protocol.c \
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desktop-shell-server-protocol.h
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endif
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@ -179,8 +179,6 @@ struct weston_compositor {
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struct timespec previous_swap;
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struct wl_array vertices, indices;
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struct weston_surface *overlay;
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struct weston_switcher *switcher;
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uint32_t focus;
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PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC
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@ -430,9 +428,6 @@ weston_input_device_init(struct weston_input_device *device,
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void
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weston_input_device_release(struct weston_input_device *device);
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void
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weston_switcher_init(struct weston_compositor *compositor);
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enum {
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TTY_ENTER_VT,
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TTY_LEAVE_VT
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119
src/shell.c
119
src/shell.c
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@ -1,5 +1,5 @@
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/*
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* Copyright © 2010 Intel Corporation
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* Copyright © 2010-2012 Intel Corporation
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* Copyright © 2011-2012 Collabora, Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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@ -1653,6 +1653,120 @@ bind_screensaver(struct wl_client *client,
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wl_resource_destroy(resource, 0);
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}
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struct switcher {
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struct weston_compositor *compositor;
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struct weston_surface *current;
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struct wl_listener listener;
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struct wl_keyboard_grab grab;
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};
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static void
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switcher_next(struct switcher *switcher)
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{
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struct weston_compositor *compositor = switcher->compositor;
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struct weston_surface *surface;
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struct weston_surface *first = NULL, *prev = NULL, *next = NULL;
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wl_list_for_each(surface, &compositor->surface_list, link) {
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/* Workaround for cursor surfaces. */
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if (surface->surface.resource.destroy_listener_list.next == NULL)
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continue;
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switch (get_shell_surface_type(surface)) {
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case SHELL_SURFACE_TOPLEVEL:
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case SHELL_SURFACE_FULLSCREEN:
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case SHELL_SURFACE_MAXIMIZED:
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if (first == NULL)
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first = surface;
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if (prev == switcher->current)
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next = surface;
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prev = surface;
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surface->alpha = 64;
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weston_surface_damage(surface);
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break;
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default:
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break;
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}
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}
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if (next == NULL)
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next = first;
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wl_list_remove(&switcher->listener.link);
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wl_list_insert(next->surface.resource.destroy_listener_list.prev,
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&switcher->listener.link);
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switcher->current = next;
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next->alpha = 255;
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}
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static void
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switcher_handle_surface_destroy(struct wl_listener *listener,
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struct wl_resource *resource, uint32_t time)
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{
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struct switcher *switcher =
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container_of(listener, struct switcher, listener);
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switcher_next(switcher);
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}
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static void
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switcher_destroy(struct switcher *switcher, uint32_t time)
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{
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struct weston_compositor *compositor = switcher->compositor;
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struct weston_surface *surface;
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struct weston_input_device *device =
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(struct weston_input_device *) switcher->grab.input_device;
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wl_list_for_each(surface, &compositor->surface_list, link) {
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surface->alpha = 255;
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weston_surface_damage(surface);
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}
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activate(compositor->shell, switcher->current, device, time);
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wl_list_remove(&switcher->listener.link);
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wl_input_device_end_keyboard_grab(&device->input_device, time);
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free(switcher);
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}
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static void
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switcher_key(struct wl_keyboard_grab *grab,
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uint32_t time, uint32_t key, int32_t state)
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{
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struct switcher *switcher = container_of(grab, struct switcher, grab);
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struct weston_input_device *device =
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(struct weston_input_device *) grab->input_device;
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if ((device->modifier_state & MODIFIER_SUPER) == 0) {
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switcher_destroy(switcher, time);
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} else if (key == KEY_TAB && state) {
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switcher_next(switcher);
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}
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};
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static const struct wl_keyboard_grab_interface switcher_grab = {
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switcher_key
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};
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static void
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switcher_binding(struct wl_input_device *device, uint32_t time,
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uint32_t key, uint32_t button,
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uint32_t state, void *data)
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{
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struct weston_compositor *compositor = data;
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struct switcher *switcher;
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switcher = malloc(sizeof *switcher);
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switcher->compositor = compositor;
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switcher->current = NULL;
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switcher->listener.func = switcher_handle_surface_destroy;
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wl_list_init(&switcher->listener.link);
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switcher->grab.interface = &switcher_grab;
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wl_input_device_start_keyboard_grab(device, &switcher->grab, time);
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switcher_next(switcher);
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}
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static void
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shell_destroy(struct weston_shell *base)
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{
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@ -1722,6 +1836,9 @@ shell_init(struct weston_compositor *ec)
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MODIFIER_SUPER | MODIFIER_ALT,
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rotate_binding, NULL);
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weston_compositor_add_binding(ec, KEY_TAB, 0, MODIFIER_SUPER,
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switcher_binding, ec);
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ec->shell = &shell->shell;
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return 0;
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131
src/switcher.c
131
src/switcher.c
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@ -1,131 +0,0 @@
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/*
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* Copyright © 2011 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <linux/input.h>
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#include "compositor.h"
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struct weston_switcher {
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struct weston_compositor *compositor;
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struct weston_surface *current;
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struct wl_listener listener;
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};
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static void
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weston_switcher_next(struct weston_switcher *switcher)
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{
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struct wl_list *l;
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struct wl_surface *current;
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weston_surface_damage(switcher->current);
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l = switcher->current->link.next;
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if (l == &switcher->compositor->surface_list)
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l = switcher->compositor->surface_list.next;
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switcher->current = container_of(l, struct weston_surface, link);
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wl_list_remove(&switcher->listener.link);
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current = &switcher->current->surface;
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wl_list_insert(current->resource.destroy_listener_list.prev,
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&switcher->listener.link);
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switcher->compositor->overlay = switcher->current;
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weston_surface_damage(switcher->current);
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}
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static void
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switcher_handle_surface_destroy(struct wl_listener *listener,
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struct wl_resource *resource, uint32_t time)
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{
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struct weston_switcher *switcher =
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container_of(listener, struct weston_switcher, listener);
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weston_switcher_next(switcher);
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}
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static struct weston_switcher *
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weston_switcher_create(struct weston_compositor *compositor)
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{
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struct weston_switcher *switcher;
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switcher = malloc(sizeof *switcher);
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switcher->compositor = compositor;
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switcher->current = container_of(compositor->surface_list.next,
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struct weston_surface, link);
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switcher->listener.func = switcher_handle_surface_destroy;
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wl_list_init(&switcher->listener.link);
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return switcher;
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}
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static void
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weston_switcher_destroy(struct weston_switcher *switcher)
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{
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wl_list_remove(&switcher->listener.link);
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free(switcher);
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}
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static void
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switcher_next_binding(struct wl_input_device *device, uint32_t time,
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uint32_t key, uint32_t button,
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uint32_t state, void *data)
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{
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struct weston_compositor *compositor = data;
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if (!state)
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return;
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if (wl_list_empty(&compositor->surface_list))
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return;
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if (compositor->switcher == NULL)
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compositor->switcher = weston_switcher_create(compositor);
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weston_switcher_next(compositor->switcher);
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}
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static void
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switcher_terminate_binding(struct wl_input_device *device,
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uint32_t time, uint32_t key, uint32_t button,
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uint32_t state, void *data)
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{
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struct weston_compositor *compositor = data;
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struct weston_input_device *wd = (struct weston_input_device *) device;
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if (compositor->switcher && !state) {
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weston_surface_activate(compositor->switcher->current, wd, time);
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weston_switcher_destroy(compositor->switcher);
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compositor->switcher = NULL;
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compositor->overlay = NULL;
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}
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}
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void
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weston_switcher_init(struct weston_compositor *compositor)
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{
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weston_compositor_add_binding(compositor,
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KEY_TAB, 0, MODIFIER_SUPER,
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switcher_next_binding, compositor);
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weston_compositor_add_binding(compositor,
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KEY_LEFTMETA, 0, MODIFIER_SUPER,
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switcher_terminate_binding, compositor);
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weston_compositor_add_binding(compositor,
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KEY_RIGHTMETA, 0, MODIFIER_SUPER,
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switcher_terminate_binding, compositor);
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}
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