/**
* shell_app_system_get_from_pid:
* @self; A #ShellAppSystem
* @pid: A Unix process identifier
*
* Look up the application corresponding to a process.
*
* Returns: (transfer full): A #ShellApp, or %NULL if none
*/
ShellApp *
shell_window_tracker_get_app_from_pid (ShellWindowTracker *self,
int pid)
{
ShellGlobal *global = shell_global_get ();
GList *windows, *iter;
windows = shell_global_get_windows (global);
for (iter = windows; iter; iter = iter->next)
{
MutterWindow *win = iter->data;
MetaWindow *metawin;
int windowpid;
ShellApp *app;
metawin = mutter_window_get_meta_window (win);
windowpid = meta_window_get_pid (metawin);
if (windowpid != pid)
continue;
app = shell_window_tracker_get_window_app (self, metawin);
if (app)
return app;
}
return NULL;
}
static void
update_focus_app (ShellWindowTracker *self)
{
MetaWindow *new_focus_win;
ShellApp *new_focus_app;
new_focus_win = meta_display_get_focus_window (shell_global_get_display (shell_global_get ()));
/* we only consider an app focused if the focus window can be clearly
* associated with a running app; this is the case if the focus window
* or one of its parents is visible in the taskbar, e.g.
* - 'nautilus' should appear focused when its about dialog has focus
* - 'nautilus' should not appear focused when the DESKTOP has focus
*/
while (new_focus_win && meta_window_is_skip_taskbar (new_focus_win))
new_focus_win = meta_window_get_transient_for (new_focus_win);
new_focus_app = new_focus_win ? shell_window_tracker_get_window_app (self, new_focus_win) : NULL;
if (new_focus_app)
{
shell_app_update_window_actions (new_focus_app, new_focus_win);
shell_app_update_app_menu (new_focus_app, new_focus_win);
}
set_focus_app (self, new_focus_app);
}
static void
update_focus_app (ShellWindowTracker *self)
{
MetaWindow *new_focus_win;
ShellApp *new_focus_app;
new_focus_win = meta_display_get_focus_window (meta_screen_get_display (shell_global_get_screen (shell_global_get ())));
new_focus_app = new_focus_win ? shell_window_tracker_get_window_app (self, new_focus_win) : NULL;
set_focus_app (self, new_focus_app);
}
static void
update_focus_app (ShellWindowTracker *self)
{
MetaWindow *new_focus_win;
ShellApp *new_focus_app;
new_focus_win = meta_display_get_focus_window (shell_global_get_display (shell_global_get ()));
new_focus_app = new_focus_win ? shell_window_tracker_get_window_app (self, new_focus_win) : NULL;
if (new_focus_app)
{
shell_app_update_window_actions (new_focus_app, new_focus_win);
shell_app_update_app_menu (new_focus_app, new_focus_win);
}
set_focus_app (self, new_focus_app);
}
static ClutterActor* load_icon_for_window(MetaSwitcher* self, MetaWindow* window)
{
MetaSwitcherPrivate *priv = self->priv;
MetaScreen *screen = meta_plugin_get_screen(priv->plugin);
ShellWindowTracker* tracker = shell_window_tracker_get_default();
ShellApp* app = shell_window_tracker_get_window_app(tracker, window);
gint screen_width, screen_height, app_icon_size = APP_ICON_SIZE;
/* TODO: @sonald scale app icon size at first */
meta_screen_get_size(screen, &screen_width, &screen_height);
if (priv->apps->len)
app_icon_size = (screen_width - priv->apps->len * APP_ICON_PADDING ) /
priv->apps->len;
if (app_icon_size > APP_ICON_SIZE)
app_icon_size = APP_ICON_SIZE;
if (app)
return shell_app_create_icon_texture(app, app_icon_size);
return NULL;
}
