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Fix crash resulting from missing removal of workspaces when their number changes

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This commit is contained in:
Tom Beckmann 2012-12-24 17:43:00 +01:00
parent 813ab28e25
commit 374a254a00
2 changed files with 31 additions and 9 deletions
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8
src/Widgets/WorkspaceThumb.vala
View File

@ -256,7 +256,7 @@ namespace Gala
{
check_last_workspace ();
}
void update_windows ()
{
windows.remove_all_children ();
@ -451,14 +451,14 @@ namespace Gala
if (workspace == null)
return true;
if (!Prefs.get_dynamic_workspaces ())
return false;
if (workspace.index () == screen.n_workspaces - 1) {
wallpaper.animate (AnimationMode.EASE_OUT_QUAD, 300, opacity : 210);
return true;
}
if (!Prefs.get_dynamic_workspaces ())
return false;
//dont allow closing the tab if it's the last one used
if (workspace.index () == 0 && screen.n_workspaces == 2)
return false;

32
src/Widgets/WorkspaceView.vala
View File

@ -79,13 +79,30 @@ namespace Gala
add_child (thumbnails);
add_child (scroll);
screen.workareas_changed.connect (initial_configuration);
//place it somewhere low, so it won't slide down on first open
int swidth, sheight;
screen.get_size (out swidth, out sheight);
y = sheight;
screen.workspace_added.connect ((obj) => {
create_workspace_thumb (screen.get_workspace_by_index (obj));
});
Prefs.add_listener ((pref) => {
if (!Prefs.get_dynamic_workspaces () && pref == Preference.NUM_WORKSPACES) {
// only need to listen for the case when workspaces were removed.
// Any other case will be caught by the workspace_added signal.
// For some reason workspace_removed is not emitted, when changing the workspace number
if (Prefs.get_num_workspaces () < thumbnails.get_n_children ()) {
for (int i = Prefs.get_num_workspaces () - 1; i < thumbnails.get_n_children (); i++) {
(thumbnails.get_child_at_index (i) as WorkspaceThumb).closed ();
}
}
}
});
}
//method that waits for the workspaces to be configured on first run
@ -172,17 +189,21 @@ namespace Gala
void add_workspace ()
{
var screen = plugin.get_screen ();
var wp = screen.append_new_workspace (false, screen.get_display ().get_current_time ());
if (wp == null)
return;
}
void create_workspace_thumb (Meta.Workspace workspace)
{
var screen = plugin.get_screen ();
var thumb = new WorkspaceThumb (wp);
var thumb = new WorkspaceThumb (workspace);
thumb.clicked.connect (hide);
thumb.closed.connect (remove_workspace);
thumb.window_on_last.connect (add_workspace);
thumbnails.add_child (thumb);
thumbnails.insert_child_at_index (thumb, workspace.index ());
thumb.show ();
@ -202,7 +223,8 @@ namespace Gala
var workspace = thumb.workspace;
if (workspace != null && workspace.index () > -1) { //dont remove non existing workspaces
//dont remove non existing workspaces
if (workspace != null && workspace.index () > -1) {
var screen = workspace.get_screen ();
screen.remove_workspace (workspace, screen.get_display ().get_current_time ());
}