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Update _NET_CURRENT_DESKTOP on workspace removal

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When we delete a workspace before the active workspace, we need
to upate the _NET_CURRENT_DESKTOP since the active workspace index
changes. To do this workspace.c:set_active_space_hint() is moved
to screen.c:meta_screen_set_active_workspace_hint() so that it
can be shared.

https://bugzilla.gnome.org/show_bug.cgi?id=640581
This commit is contained in:
Owen W. Taylor
2011-01-25 16:27:31 -05:00
parent ad707be01e
commit 4c4c720dc1
3 changed files with 37 additions and 28 deletions
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33
src/core/screen.c
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@@ -1283,6 +1283,7 @@ meta_screen_remove_workspace (MetaScreen *screen, MetaWorkspace *workspace,
MetaWorkspace *neighbour = NULL;
GList *next = NULL;
int index;
gboolean active_index_changed;
int new_num;
l = screen->workspaces;
@@ -1321,6 +1322,7 @@ meta_screen_remove_workspace (MetaScreen *screen, MetaWorkspace *workspace,
/* To emit the signal after removing the workspace */
index = meta_workspace_index (workspace);
active_index_changed = index < meta_screen_get_active_workspace_index (screen);
/* This also removes the workspace from the screens list */
meta_workspace_remove (workspace);
@@ -1330,6 +1332,11 @@ meta_screen_remove_workspace (MetaScreen *screen, MetaWorkspace *workspace,
set_number_of_spaces_hint (screen, new_num);
meta_prefs_set_num_workspaces (new_num);
/* If deleting a workspace before the current workspace, the active
* workspace index changes, so we need to update that hint */
if (active_index_changed)
meta_screen_set_active_workspace_hint (workspace->screen);
l = next;
while (l)
{
@@ -3345,3 +3352,29 @@ meta_screen_workspace_switched (MetaScreen *screen,
from, to, direction);
}
void
meta_screen_set_active_workspace_hint (MetaScreen *screen)
{
unsigned long data[1];
/* this is because we destroy the spaces in order,
* so we always end up setting a current desktop of
* 0 when closing a screen, so lose the current desktop
* on restart. By doing this we keep the current
* desktop on restart.
*/
if (screen->closing > 0)
return;
data[0] = meta_workspace_index (screen->active_workspace);
meta_verbose ("Setting _NET_CURRENT_DESKTOP to %lu\n", data[0]);
meta_error_trap_push (screen->display);
XChangeProperty (screen->display->xdisplay, screen->xroot,
screen->display->atom__NET_CURRENT_DESKTOP,
XA_CARDINAL,
32, PropModeReplace, (guchar*) data, 1);
meta_error_trap_pop (screen->display);
}