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129 lines
4.0 KiB
129 lines
4.0 KiB
/*
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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 wlsc_switcher {
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struct wlsc_compositor *compositor;
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struct wlsc_surface *current;
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struct wl_listener listener;
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};
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static void
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wlsc_switcher_next(struct wlsc_switcher *switcher)
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{
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struct wl_list *l;
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wlsc_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 wlsc_surface, link);
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wl_list_remove(&switcher->listener.link);
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wl_list_insert(switcher->current->surface.destroy_listener_list.prev,
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&switcher->listener.link);
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switcher->compositor->overlay = switcher->current;
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wlsc_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_surface *surface, uint32_t time)
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{
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struct wlsc_switcher *switcher =
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container_of(listener, struct wlsc_switcher, listener);
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wlsc_switcher_next(switcher);
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}
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static struct wlsc_switcher *
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wlsc_switcher_create(struct wlsc_compositor *compositor)
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{
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struct wlsc_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 wlsc_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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wlsc_switcher_destroy(struct wlsc_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 wlsc_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 = wlsc_switcher_create(compositor);
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wlsc_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 wlsc_compositor *compositor = data;
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struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
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if (compositor->switcher && !state) {
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wlsc_surface_activate(compositor->switcher->current, wd, time);
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wlsc_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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wlsc_switcher_init(struct wlsc_compositor *compositor)
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{
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wlsc_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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wlsc_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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wlsc_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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