static void
ensure_work_areas_validated (MetaWorkspace *workspace)
{
GList *windows;
GList *tmp;
MetaRectangle work_area;
int i; /* C89 absolutely sucks... */
if (!workspace->work_areas_invalid)
return;
g_assert (workspace->all_struts == NULL);
g_assert (workspace->monitor_region == NULL);
g_assert (workspace->screen_region == NULL);
g_assert (workspace->screen_edges == NULL);
g_assert (workspace->monitor_edges == NULL);
/* STEP 1: Get the list of struts */
workspace->all_struts = copy_strut_list (workspace->builtin_struts);
windows = meta_workspace_list_windows (workspace);
for (tmp = windows; tmp != NULL; tmp = tmp->next)
{
MetaWindow *win = tmp->data;
GSList *s_iter;
for (s_iter = win->struts; s_iter != NULL; s_iter = s_iter->next) {
workspace->all_struts = g_slist_prepend (workspace->all_struts,
copy_strut(s_iter->data));
}
}
g_list_free (windows);
/* STEP 2: Get the maximal/spanning rects for the onscreen and
* on-single-monitor regions
*/
g_assert (workspace->monitor_region == NULL);
g_assert (workspace->screen_region == NULL);
workspace->monitor_region = g_new (GList*,
workspace->screen->n_monitor_infos);
for (i = 0; i < workspace->screen->n_monitor_infos; i++)
{
workspace->monitor_region[i] =
meta_rectangle_get_minimal_spanning_set_for_region (
&workspace->screen->monitor_infos[i].rect,
workspace->all_struts);
}
workspace->screen_region =
meta_rectangle_get_minimal_spanning_set_for_region (
&workspace->screen->rect,
workspace->all_struts);
/* STEP 3: Get the work areas (region-to-maximize-to) for the screen and
* monitors.
*/
work_area = workspace->screen->rect; /* start with the screen */
if (workspace->screen_region == NULL)
work_area = meta_rect (0, 0, -1, -1);
else
meta_rectangle_clip_to_region (workspace->screen_region,
FIXED_DIRECTION_NONE,
&work_area);
/* Lots of paranoia checks, forcing work_area_screen to be sane */
#define MIN_SANE_AREA 100
if (work_area.width < MIN_SANE_AREA)
{
meta_warning ("struts occupy an unusually large percentage of the screen; "
"available remaining width = %d < %d",
work_area.width, MIN_SANE_AREA);
if (work_area.width < 1)
{
work_area.x = (workspace->screen->rect.width - MIN_SANE_AREA)/2;
work_area.width = MIN_SANE_AREA;
}
else
{
int amount = (MIN_SANE_AREA - work_area.width)/2;
work_area.x -= amount;
work_area.width += 2*amount;
}
}
if (work_area.height < MIN_SANE_AREA)
{
meta_warning ("struts occupy an unusually large percentage of the screen; "
"available remaining height = %d < %d",
work_area.height, MIN_SANE_AREA);
if (work_area.height < 1)
{
work_area.y = (workspace->screen->rect.height - MIN_SANE_AREA)/2;
work_area.height = MIN_SANE_AREA;
}
else
{
int amount = (MIN_SANE_AREA - work_area.height)/2;
work_area.y -= amount;
work_area.height += 2*amount;
}
}
workspace->work_area_screen = work_area;
meta_topic (META_DEBUG_WORKAREA,
"Computed work area for workspace %d: %d,%d %d x %d\n",
meta_workspace_index (workspace),
workspace->work_area_screen.x,
workspace->work_area_screen.y,
workspace->work_area_screen.width,
workspace->work_area_screen.height);
/* Now find the work areas for each monitor */
g_free (workspace->work_area_monitor);
workspace->work_area_monitor = g_new (MetaRectangle,
workspace->screen->n_monitor_infos);
for (i = 0; i < workspace->screen->n_monitor_infos; i++)
{
work_area = workspace->screen->monitor_infos[i].rect;
if (workspace->monitor_region[i] == NULL)
/* FIXME: constraints.c untested with this, but it might be nice for
* a screen reader or magnifier.
*/
work_area = meta_rect (work_area.x, work_area.y, -1, -1);
else
meta_rectangle_clip_to_region (workspace->monitor_region[i],
FIXED_DIRECTION_NONE,
&work_area);
workspace->work_area_monitor[i] = work_area;
meta_topic (META_DEBUG_WORKAREA,
"Computed work area for workspace %d "
"monitor %d: %d,%d %d x %d\n",
meta_workspace_index (workspace),
i,
workspace->work_area_monitor[i].x,
workspace->work_area_monitor[i].y,
workspace->work_area_monitor[i].width,
workspace->work_area_monitor[i].height);
}
/* STEP 4: Make sure the screen_region is nonempty (separate from step 2
* since it relies on step 3).
*/
if (workspace->screen_region == NULL)
{
MetaRectangle *nonempty_region;
nonempty_region = g_new (MetaRectangle, 1);
*nonempty_region = workspace->work_area_screen;
workspace->screen_region = g_list_prepend (NULL, nonempty_region);
}
/* STEP 5: Cache screen and monitor edges for edge resistance and snapping */
g_assert (workspace->screen_edges == NULL);
g_assert (workspace->monitor_edges == NULL);
workspace->screen_edges =
meta_rectangle_find_onscreen_edges (&workspace->screen->rect,
workspace->all_struts);
tmp = NULL;
for (i = 0; i < workspace->screen->n_monitor_infos; i++)
tmp = g_list_prepend (tmp, &workspace->screen->monitor_infos[i].rect);
workspace->monitor_edges =
meta_rectangle_find_nonintersected_monitor_edges (tmp,
workspace->all_struts);
g_list_free (tmp);
/* We're all done, YAAY! Record that everything has been validated. */
workspace->work_areas_invalid = FALSE;
{
/*
* Notify the compositor that the workspace geometry has changed.
*/
MetaScreen *screen = workspace->screen;
MetaDisplay *display = meta_screen_get_display (screen);
MetaCompositor *comp = meta_display_get_compositor (display);
if (comp)
meta_compositor_update_workspace_geometry (comp, workspace);
}
}
/**
* meta_background_actor_update:
* @screen: a #MetaScreen
*
* Refetches the _XROOTPMAP_ID property for the root window and updates
* the contents of the background actor based on that. There's no attempt
* to optimize out pixmap values that don't change (since a root pixmap
* could be replaced by with another pixmap with the same ID under some
* circumstances), so this should only be called when we actually receive
* a PropertyNotify event for the property.
*/
void
meta_background_actor_update (MetaScreen *screen)
{
MetaScreenBackground *background;
MetaDisplay *display;
MetaCompositor *compositor;
Atom type;
int format;
gulong nitems;
gulong bytes_after;
guchar *data;
Pixmap root_pixmap_id;
background = meta_screen_background_get (screen);
display = meta_screen_get_display (screen);
compositor = meta_display_get_compositor (display);
root_pixmap_id = None;
if (!XGetWindowProperty (meta_display_get_xdisplay (display),
meta_screen_get_xroot (screen),
compositor->atom_x_root_pixmap,
0, LONG_MAX,
False,
AnyPropertyType,
&type, &format, &nitems, &bytes_after, &data) &&
type != None)
{
/* Got a property. */
if (type == XA_PIXMAP && format == 32 && nitems == 1)
{
/* Was what we expected. */
root_pixmap_id = *(Pixmap *)data;
}
XFree(data);
}
if (root_pixmap_id != None)
{
CoglHandle texture;
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
GError *error = NULL;
meta_error_trap_push (display);
texture = cogl_texture_pixmap_x11_new (ctx, root_pixmap_id, FALSE, &error);
meta_error_trap_pop (display);
if (texture != COGL_INVALID_HANDLE)
{
set_texture (background, texture);
cogl_handle_unref (texture);
background->have_pixmap = True;
return;
}
else
{
g_warning ("Failed to create background texture from pixmap: %s",
error->message);
g_error_free (error);
}
}
background->have_pixmap = False;
set_texture_to_stage_color (background);
}
/**
* meta_workspace_activate_with_focus:
* @workspace: a #MetaWorkspace
* @focus_this: the #MetaWindow to be focused, or %NULL
* @timestamp: timestamp for @focus_this
*
* Switches to @workspace and possibly activates the window @focus_this.
*
* The window @focus_this is activated by calling meta_window_activate()
* which will unminimize it and transient parents, raise it and give it
* the focus.
*
* If a window is currently being moved by the user, it will be
* moved to @workspace.
*
* The advantage of calling this function instead of meta_workspace_activate()
* followed by meta_window_activate() is that it happens as a unit, so
* no other window gets focused first before @focus_this.
*/
void
meta_workspace_activate_with_focus (MetaWorkspace *workspace,
MetaWindow *focus_this,
guint32 timestamp)
{
MetaWorkspace *old;
MetaWindow *move_window;
MetaScreen *screen;
MetaDisplay *display;
MetaCompositor *comp;
MetaWorkspaceLayout layout1, layout2;
gint num_workspaces, current_space, new_space;
MetaMotionDirection direction;
meta_verbose ("Activating workspace %d\n",
meta_workspace_index (workspace));
if (workspace->screen->active_workspace == workspace)
return;
/* Free any cached pointers to the workspaces's edges from
* a current resize or move operation */
meta_display_cleanup_edges (workspace->screen->display);
if (workspace->screen->active_workspace)
workspace_switch_sound (workspace->screen->active_workspace, workspace);
/* Note that old can be NULL; e.g. when starting up */
old = workspace->screen->active_workspace;
workspace->screen->active_workspace = workspace;
meta_screen_set_active_workspace_hint (workspace->screen);
/* If the "show desktop" mode is active for either the old workspace
* or the new one *but not both*, then update the
* _net_showing_desktop hint
*/
if (old && (old->showing_desktop ^ workspace->showing_desktop))
meta_screen_update_showing_desktop_hint (workspace->screen);
if (old == NULL)
return;
move_window = NULL;
if (workspace->screen->display->grab_op == META_GRAB_OP_MOVING ||
workspace->screen->display->grab_op == META_GRAB_OP_KEYBOARD_MOVING)
move_window = workspace->screen->display->grab_window;
if (move_window != NULL)
{
if (move_window->on_all_workspaces)
move_window = NULL; /* don't move it after all */
/* We put the window on the new workspace, flip spaces,
* then remove from old workspace, so the window
* never gets unmapped and we maintain the button grab
* on it.
*
* \bug This comment appears to be the reverse of what happens
*/
if (move_window && (move_window->workspace != workspace))
{
meta_workspace_remove_window (old, move_window);
meta_workspace_add_window (workspace, move_window);
}
}
meta_workspace_queue_calc_showing (old);
meta_workspace_queue_calc_showing (workspace);
/* FIXME: Why do we need this?!? Isn't it handled in the lines above? */
if (move_window)
/* Removes window from other spaces */
meta_window_change_workspace (move_window, workspace);
/*
* Notify the compositor that the active workspace is changing.
*/
screen = workspace->screen;
display = meta_screen_get_display (screen);
comp = meta_display_get_compositor (display);
direction = 0;
current_space = meta_workspace_index (old);
new_space = meta_workspace_index (workspace);
num_workspaces = meta_screen_get_n_workspaces (workspace->screen);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
current_space, &layout1);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
new_space, &layout2);
if (meta_ui_get_direction() == META_UI_DIRECTION_RTL)
{
if (layout1.current_col > layout2.current_col)
direction = META_MOTION_RIGHT;
else if (layout1.current_col < layout2.current_col)
direction = META_MOTION_LEFT;
}
else
{
if (layout1.current_col < layout2.current_col)
direction = META_MOTION_RIGHT;
else if (layout1.current_col > layout2.current_col)
direction = META_MOTION_LEFT;
}
if (layout1.current_row < layout2.current_row)
{
if (!direction)
direction = META_MOTION_DOWN;
else if (direction == META_MOTION_RIGHT)
direction = META_MOTION_DOWN_RIGHT;
else
direction = META_MOTION_DOWN_LEFT;
}
if (layout1.current_row > layout2.current_row)
{
if (!direction)
direction = META_MOTION_UP;
else if (direction == META_MOTION_RIGHT)
direction = META_MOTION_UP_RIGHT;
else
direction = META_MOTION_UP_LEFT;
}
meta_screen_free_workspace_layout (&layout1);
meta_screen_free_workspace_layout (&layout2);
meta_compositor_switch_workspace (comp, screen, old, workspace, direction);
/* This needs to be done after telling the compositor we are switching
* workspaces since focusing a window will cause it to be immediately
* shown and that would confuse the compositor if it didn't know we
* were in a workspace switch.
*/
if (focus_this)
{
meta_window_activate (focus_this, timestamp);
}
else if (move_window)
{
meta_window_raise (move_window);
}
else
{
meta_topic (META_DEBUG_FOCUS, "Focusing default window on new workspace\n");
meta_workspace_focus_default_window (workspace, NULL, timestamp);
}
/* Emit switched signal from screen.c */
meta_screen_workspace_switched (screen, current_space, new_space, direction);
}
static void moses_overview_dispose(GObject *object)
{
MosesOverview *overview = MOSES_OVERVIEW(object);
MosesOverviewPrivate* priv = overview->priv;
if (priv->disposed) return;
priv->disposed = TRUE;
g_clear_pointer(&priv->ov_head, g_object_unref);
MetaScreen* screen = meta_plugin_get_screen(priv->plugin);
ClutterActor* stage = meta_get_stage_for_screen(screen);
ClutterActor* to_focus = NULL;
if (priv->selected_actor) {
to_focus = clutter_clone_get_source(CLUTTER_CLONE(priv->selected_actor));
}
for (int i = 0; priv->clones && i < priv->clones->len; i++) {
ClutterActor* clone = g_ptr_array_index(priv->clones, i);
ClutterActor* orig = clutter_clone_get_source(CLUTTER_CLONE(clone));
clutter_actor_show(orig); // FIXME: maybe some actors had not been shown.
clutter_actor_destroy(clone);
}
for (int i = 0; priv->badges && i < priv->badges->len; i++) {
clutter_actor_destroy(CLUTTER_ACTOR(g_ptr_array_index(priv->badges, i)));
}
if (priv->background_actor) {
clutter_actor_show(clutter_clone_get_source(CLUTTER_CLONE(priv->background_actor)));
g_clear_pointer(&priv->background_actor, clutter_actor_destroy);
}
if (priv->modaled) {
meta_plugin_end_modal(priv->plugin, clutter_get_current_event_time());
meta_enable_unredirect_for_screen(screen);
if (priv->selected_workspace) {
meta_workspace_activate(priv->selected_workspace, CLUTTER_CURRENT_TIME);
MetaDisplay* display = meta_screen_get_display(screen);
meta_compositor_switch_workspace(meta_display_get_compositor(display),
meta_screen_get_active_workspace(screen),
priv->selected_workspace, META_MOTION_DOWN);
} else if (to_focus) {
clutter_stage_set_key_focus(CLUTTER_STAGE(stage), to_focus);
MetaWindowActor* actor = META_WINDOW_ACTOR(to_focus);
MetaWindow* win = meta_window_actor_get_meta_window(actor);
meta_window_raise(win);
meta_window_focus(win, CLUTTER_CURRENT_TIME);
} else if (priv->previous_focused) {
if (!CLUTTER_IS_STAGE(priv->previous_focused)) {
clutter_stage_set_key_focus(CLUTTER_STAGE(stage), priv->previous_focused);
}
}
}
G_OBJECT_CLASS(moses_overview_parent_class)->dispose(object);
}
