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Bugfix: Force reconfiguration of all windows on workspaces which needed to be re-assigned (Thanks Mirko)

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When you disable a Xinerama screen (think of removing a video projector),
the workspaces of that screen need to be re-assigned to another screen.
Previously, the clients affected by this re-assignment did not get re-
configured, which made them appear on the next screen which got configured
at the position of the old one again if you did not switch to the reassigned
workspace before.

So, to reproduce it:
xrandr --output VGA --mode 1280x1024 --right-of LVDS
move windows to the new workspace
xrandr --output VGA --off
xrandr --output VGA --mode 1280x1024 --right-of LVDS

This fixes ticket #36
This commit is contained in:
Michael Stapelberg
2009-05-09 13:01:23 +02:00
parent 89076ea7cf
commit 18da0a3017
6 changed files with 157 additions and 103 deletions
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36
src/util.c
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@ -256,6 +256,42 @@ Client *get_last_focused_client(xcb_connection_t *conn, Container *container, Cl
return NULL;
}
/*
* Unmaps all clients (and stack windows) of the given workspace.
*
* This needs to be called separately when temporarily rendering
* a workspace which is not the active workspace to force
* reconfiguration of all clients, like in src/xinerama.c when
* re-assigning a workspace to another screen.
*
*/
void unmap_workspace(xcb_connection_t *conn, Workspace *u_ws) {
Client *client;
struct Stack_Window *stack_win;
/* Ignore notify events because they would cause focus to be changed */
ignore_enter_notify_forall(conn, u_ws, true);
/* Unmap all clients of the current workspace */
int unmapped_clients = 0;
FOR_TABLE(u_ws)
CIRCLEQ_FOREACH(client, &(u_ws->table[cols][rows]->clients), clients) {
xcb_unmap_window(conn, client->frame);
unmapped_clients++;
}
/* If we did not unmap any clients, the workspace is empty and we can destroy it */
if (unmapped_clients == 0)
u_ws->screen = NULL;
/* Unmap the stack windows on the current workspace, if any */
SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
if (stack_win->container->workspace == u_ws)
xcb_unmap_window(conn, stack_win->window);
ignore_enter_notify_forall(conn, u_ws, false);
}
/*
* Sets the given client as focused by updating the data structures correctly,
* updating the X input focus and finally re-decorating both windows (to signalize