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compositor: Hide surfaces by setting surface->output to NULL

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This way we can still use surface->link when a surface is not in
the main compositor surface list and don't need the hidden_surface
wrapper object.  Also, setting surface->output to NULL will block
the surface frame callback until we put the surface back into the
main list.  This has the effect of blocking animations while a surface
isn't visible.
This commit is contained in:
Kristian Høgsberg 2011-11-15 16:39:55 -05:00
parent bfbb26bdb2
commit 1ec0c31596
3 changed files with 58 additions and 106 deletions
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12
clients/desktop-shell.c
View file

@ -398,8 +398,9 @@ unlock_dialog_item_focus_handler(struct window *window,
}
static struct unlock_dialog *
unlock_dialog_create(struct display *display)
unlock_dialog_create(struct desktop *desktop)
{
struct display *display = desktop->display;
struct unlock_dialog *dialog;
dialog = malloc(sizeof *dialog);
@ -419,6 +420,9 @@ unlock_dialog_create(struct display *display)
unlock_dialog_item_focus_handler);
dialog->button = window_add_item(dialog->window, NULL);
desktop_shell_set_lock_surface(desktop->shell,
window_get_wl_surface(dialog->window));
unlock_dialog_draw(dialog);
return dialog;
@ -467,13 +471,9 @@ desktop_shell_prepare_lock_surface(void *data,
struct desktop *desktop = data;
if (!desktop->unlock_dialog) {
desktop->unlock_dialog =
unlock_dialog_create(desktop->display);
desktop->unlock_dialog = unlock_dialog_create(desktop);
desktop->unlock_dialog->desktop = desktop;
}
desktop_shell_set_lock_surface(desktop_shell,
window_get_wl_surface(desktop->unlock_dialog->window));
}
static const struct desktop_shell_listener listener = {

5
compositor/compositor.c
View file

@ -313,7 +313,7 @@ wlsc_surface_damage_below(struct wlsc_surface *surface)
{
struct wlsc_surface *below;
if (wl_list_empty(&surface->link))
if (surface->output == NULL)
return;
if (surface->link.next == &surface->compositor->surface_list)
@ -369,6 +369,9 @@ wlsc_compositor_repick(struct wlsc_compositor *compositor)
int32_t sx, sy;
uint32_t time;
if (!compositor->focus)
return;
time = wlsc_compositor_get_time();
wl_list_for_each(device, &compositor->input_device_list, link) {
if (device->input_device.grab)

147
compositor/shell.c
View file

@ -53,25 +53,11 @@ struct wl_shell {
bool locked;
bool prepare_event_sent;
struct wlsc_surface *lock_surface;
struct wl_listener lock_surface_listener;
struct wl_list hidden_surface_list;
};
struct hidden_surface {
struct wlsc_surface *surface;
struct wl_listener destroy_listener;
struct wl_shell *shell;
struct wl_list link;
};
static void
hidden_surface_destroy(struct hidden_surface *hidden)
{
wl_list_remove(&hidden->link);
wl_list_remove(&hidden->destroy_listener.link);
free(hidden);
}
struct wlsc_move_grab {
struct wl_grab grab;
struct wlsc_surface *surface;
@ -843,59 +829,51 @@ desktop_shell_set_panel(struct wl_client *client,
output->current->height);
}
static void
handle_lock_surface_destroy(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time)
{
struct wl_shell *shell =
container_of(listener, struct wl_shell, panel_listener);
fprintf(stderr, "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 wl_shell *shell = resource->data;
struct wlsc_surface *es = surface_resource->data;
shell->prepare_event_sent = false;
if (!shell->locked)
return;
wl_list_remove(&es->link);
wl_list_insert(&shell->compositor->surface_list, &es->link);
shell->lock_surface = surface_resource->data;
wlsc_compositor_repick(shell->compositor);
wlsc_compositor_wake(shell->compositor);
shell->lock_surface_listener.func = handle_lock_surface_destroy;
wl_list_insert(&surface_resource->destroy_listener_list,
&shell->lock_surface_listener.link);
}
static void
resume_desktop(struct wl_shell *shell)
{
struct hidden_surface *hidden;
struct hidden_surface *tmp;
struct wl_list *elem;
struct wl_list *put = &shell->compositor->surface_list;
struct wlsc_surface *surface;
wl_list_for_each_safe(hidden, tmp, &shell->hidden_surface_list, link) {
elem = &hidden->surface->link;
wl_list_remove(elem);
wl_list_for_each(surface, &shell->hidden_surface_list, link)
wlsc_surface_configure(surface, surface->x, surface->y,
surface->width, surface->height);
if (hidden->surface == shell->panel) {
wl_list_insert(&shell->compositor->surface_list, elem);
if (put == &shell->compositor->surface_list)
put = elem;
} else {
wl_list_insert(put, elem);
put = elem;
}
hidden_surface_destroy(hidden);
}
if (!wl_list_empty(&shell->hidden_surface_list)) {
fprintf(stderr,
"%s: Assertion failed: hidden_surface_list is not empty.\n",
__func__);
}
wl_list_insert_list(shell->background->link.prev,
&shell->hidden_surface_list);
wl_list_init(&shell->hidden_surface_list);
shell->locked = false;
wlsc_compositor_repick(shell->compositor);
wlsc_compositor_damage_all(shell->compositor);
wlsc_compositor_wake(shell->compositor);
}
@ -980,34 +958,6 @@ resize_binding(struct wl_input_device *device, uint32_t time,
time, edges, resource);
}
static void
handle_hidden_surface_destroy(struct wl_listener *listener,
struct wl_resource *resource, uint32_t time)
{
struct hidden_surface *hidden =
container_of(listener, struct hidden_surface, destroy_listener);
hidden_surface_destroy(hidden);
}
static struct hidden_surface *
hidden_surface_create(struct wl_shell *shell, struct wlsc_surface *surface)
{
struct hidden_surface *hidden;
hidden = malloc(sizeof *hidden);
if (!hidden)
return NULL;
hidden->surface = surface;
hidden->shell = shell;
hidden->destroy_listener.func = handle_hidden_surface_destroy;
wl_list_insert(surface->surface.resource.destroy_listener_list.prev,
&hidden->destroy_listener.link);
return hidden;
}
static void
activate(struct wlsc_shell *base, struct wlsc_surface *es,
struct wlsc_input_device *device, uint32_t time)
@ -1036,7 +986,6 @@ lock(struct wlsc_shell *base)
struct wl_list *surface_list = &shell->compositor->surface_list;
struct wlsc_surface *cur;
struct wlsc_surface *tmp;
struct hidden_surface *hidden;
struct wlsc_input_device *device;
uint32_t time;
@ -1063,13 +1012,9 @@ lock(struct wlsc_shell *base)
if (cur == shell->background)
continue;
hidden = hidden_surface_create(shell, cur);
if (!hidden)
continue;
wl_list_insert(shell->hidden_surface_list.prev, &hidden->link);
cur->output = NULL;
wl_list_remove(&cur->link);
wl_list_init(&cur->link);
wl_list_insert(shell->hidden_surface_list.prev, &cur->link);
}
/* reset pointer foci */
@ -1117,37 +1062,37 @@ map(struct wlsc_shell *base,
{
struct wl_shell *shell = container_of(base, struct wl_shell, shell);
struct wlsc_compositor *compositor = shell->compositor;
struct hidden_surface *hidden;
struct wl_list *list;
if (shell->locked)
list = &shell->hidden_surface_list;
else
list = &compositor->surface_list;
/* Map background at the bottom of the stack, panel on top,
everything else just below panel. */
if (surface == shell->background) {
wl_list_insert(compositor->surface_list.prev, &surface->link);
} else if (shell->locked) {
wl_list_init(&surface->link);
hidden = hidden_surface_create(shell, surface);
if (!hidden)
goto out;
/* panel positioning is fixed on resume */
wl_list_insert(&shell->hidden_surface_list, &hidden->link);
} else if (surface == shell->panel) {
wl_list_insert(list, &surface->link);
} else if (surface == shell->lock_surface) {
wl_list_insert(&compositor->surface_list, &surface->link);
wlsc_compositor_repick(compositor);
wlsc_compositor_wake(compositor);
} else {
if (surface == shell->panel)
wl_list_insert(&compositor->surface_list,
&surface->link);
else
wl_list_insert(&shell->panel->link, &surface->link);
wl_list_insert(&shell->panel->link, &surface->link);
}
out:
if (surface->map_type == WLSC_SURFACE_MAP_TOPLEVEL) {
surface->x = 10 + random() % 400;
surface->y = 10 + random() % 400;
}
wlsc_surface_configure(surface, surface->x, surface->y, width, height);
surface->width = width;
surface->height = height;
if (!shell->locked)
wlsc_surface_configure(surface,
surface->x, surface->y, width, height);
}
static void
@ -1233,6 +1178,10 @@ static void
unbind_desktop_shell(struct wl_resource *resource)
{
struct wl_shell *shell = resource->data;
if (shell->locked)
resume_desktop(shell);
shell->child.desktop_shell = NULL;
shell->prepare_event_sent = false;
free(resource);