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window: Really force update monitor on hot plugs

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Commit 8d3e05305 ("window: Force update monitor on hot plugs") added the
flag `META_WINDOW_UPDATE_MONITOR_FLAGS_FORCE` passed to
`update_monitor()` from `update_for_monitors_changed()`.

However, `update_for_monitors_changed()` may choose to call another code
path to `move_between_rects()` and `meta_window_move_resize_internal()`
eventually.

As `meta_window_move_resize_internal()` does not use the "force" flag,
we may still end up in case where the window->monitor is left unchanged.

To avoid that problem, add a new `MetaMoveResizeFlags` that
`update_for_monitors_changed()` can use to force the monitor update from
`meta_window_move_resize_internal()`.

Fixes: 8d3e05305 ("window: Force update monitor on hot plugs")
Closes: https://gitlab.gnome.org/GNOME/mutter/issues/189


(cherry picked from commit fa495286a1)
This commit is contained in:
Olivier Fourdan 2018-11-06 12:35:31 +00:00 committed by Jonas Ådahl
parent 1d863f4d3e
commit 8eabfaaa8b
2 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/core/window-private.h
View File

@ -82,6 +82,7 @@ typedef enum
META_MOVE_RESIZE_UNMAXIMIZE = 1 << 6,
META_MOVE_RESIZE_FORCE_MOVE = 1 << 7,
META_MOVE_RESIZE_WAYLAND_STATE_CHANGED = 1 << 8,
META_MOVE_RESIZE_FORCE_UPDATE_MONITOR = 1 << 9,
} MetaMoveResizeFlags;
typedef enum

16
src/core/window.c
View File

@ -121,6 +121,7 @@ static gboolean queue_calc_showing_func (MetaWindow *window,
void *data);
static void meta_window_move_between_rects (MetaWindow *window,
MetaMoveResizeFlags move_resize_flags,
const MetaRectangle *old_area,
const MetaRectangle *new_area);
@ -3865,6 +3866,7 @@ meta_window_update_for_monitors_changed (MetaWindow *window)
* monitors changed and the same index could be refereing
* to a different monitor. */
meta_window_move_between_rects (window,
META_MOVE_RESIZE_FORCE_UPDATE_MONITOR,
&old->rect,
&new->rect);
}
@ -4046,6 +4048,8 @@ meta_window_move_resize_internal (MetaWindow *window,
update_monitor_flags = META_WINDOW_UPDATE_MONITOR_FLAGS_NONE;
if (flags & META_MOVE_RESIZE_USER_ACTION)
update_monitor_flags |= META_WINDOW_UPDATE_MONITOR_FLAGS_USER_OP;
if (flags & META_MOVE_RESIZE_FORCE_UPDATE_MONITOR)
update_monitor_flags |= META_WINDOW_UPDATE_MONITOR_FLAGS_FORCE;
if (window->monitor)
{
@ -4105,6 +4109,7 @@ meta_window_move_frame (MetaWindow *window,
static void
meta_window_move_between_rects (MetaWindow *window,
MetaMoveResizeFlags move_resize_flags,
const MetaRectangle *old_area,
const MetaRectangle *new_area)
{
@ -4128,7 +4133,12 @@ meta_window_move_between_rects (MetaWindow *window,
window->saved_rect.x = window->unconstrained_rect.x;
window->saved_rect.y = window->unconstrained_rect.y;
meta_window_move_resize_now (window);
meta_window_move_resize_internal (window,
move_resize_flags |
META_MOVE_RESIZE_MOVE_ACTION |
META_MOVE_RESIZE_RESIZE_ACTION,
NorthWestGravity,
window->unconstrained_rect);
}
/**
@ -4189,14 +4199,14 @@ meta_window_move_to_monitor (MetaWindow *window,
window->unconstrained_rect.height == 0 ||
!meta_rectangle_overlap (&window->unconstrained_rect, &old_area))
{
meta_window_move_between_rects (window, NULL, &new_area);
meta_window_move_between_rects (window, 0, NULL, &new_area);
}
else
{
if (monitor == window->monitor->number)
return;
meta_window_move_between_rects (window, &old_area, &new_area);
meta_window_move_between_rects (window, 0, &old_area, &new_area);
}
window->preferred_output_winsys_id = window->monitor->winsys_id;