display: Fix the logic for moving attached dialogs

If we have a tree of a window, a non-attached dialog, and then an
attached dialog, we want to move the second window, not the attached
dialog or the topmost. In other words, we want to move the first
non-attached window, or the first "freefloating window".

This happens in Firefox, whose Preferences dialog is freefloating,
but suboptions of those are modal dialogs.
This commit is contained in:
Jasper St. Pierre 2014-06-11 16:36:17 -04:00
parent 53814fefc1
commit 12fc394b92

View File

@ -1696,15 +1696,15 @@ meta_display_update_cursor (MetaDisplay *display)
}
static MetaWindow *
get_toplevel_transient_for (MetaWindow *window)
get_first_freefloating_window (MetaWindow *window)
{
while (TRUE)
{
MetaWindow *parent = meta_window_get_transient_for (window);
if (parent == NULL)
return window;
window = parent;
}
while (meta_window_is_attached_dialog (window))
window = meta_window_get_transient_for (window);
/* Attached dialogs should always have a non-NULL transient-for */
g_assert (window != NULL);
return window;
}
gboolean
@ -1752,11 +1752,11 @@ meta_display_begin_grab_op (MetaDisplay *display,
grab_window = window;
/* If window is a modal dialog attached to its parent,
* grab the parent instead for moving.
/* If we're trying to move a window, move the first
* non-attached dialog instead.
*/
if (meta_window_is_attached_dialog (window) && meta_grab_op_is_moving (op))
grab_window = get_toplevel_transient_for (window);
if (meta_grab_op_is_moving (op))
grab_window = get_first_freefloating_window (window);
g_assert (grab_window != NULL);
g_assert (op != META_GRAB_OP_NONE);