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wayland: Add tracking of X11 windows

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This is unused ATM, but will be used to check whether it is safe to
shut Xwayland down.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/709
This commit is contained in:
Carlos Garnacho 2019-05-24 21:09:32 +02:00 committed by Carlos Garnacho
parent 319f7f5b63
commit f5a2694eba
2 changed files with 38 additions and 0 deletions
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2
src/wayland/meta-wayland-private.h
View File

@ -58,6 +58,8 @@ typedef struct
GSubprocess *proc;
GMainLoop *init_loop;
GList *x11_windows;
MetaXWaylandDnd *dnd;
} MetaXWaylandManager;

36
src/wayland/meta-xwayland.c
View File

@ -43,6 +43,7 @@
#include "compositor/meta-window-actor-private.h"
#include "meta/main.h"
#include "wayland/meta-wayland-actor-surface.h"
#include "x11/meta-x11-display-private.h"
enum
{
@ -620,6 +621,31 @@ meta_xwayland_start_xserver (MetaXWaylandManager *manager)
return TRUE;
}
static void
window_unmanaged_cb (MetaWindow *window,
MetaXWaylandManager *manager)
{
manager->x11_windows = g_list_remove (manager->x11_windows, window);
g_signal_handlers_disconnect_by_func (window,
window_unmanaged_cb,
manager);
}
static void
window_created_cb (MetaDisplay *display,
MetaWindow *window,
MetaXWaylandManager *manager)
{
/* Ignore all internal windows */
if (!window->xwindow ||
meta_window_get_client_pid (window) == getpid ())
return;
manager->x11_windows = g_list_prepend (manager->x11_windows, window);
g_signal_connect (window, "unmanaged",
G_CALLBACK (window_unmanaged_cb), manager);
}
gboolean
meta_xwayland_init (MetaXWaylandManager *manager,
struct wl_display *wl_display)
@ -647,6 +673,9 @@ on_x11_display_closing (MetaDisplay *display)
void
meta_xwayland_complete_init (MetaDisplay *display)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
MetaXWaylandManager *manager = &compositor->xwayland_manager;
/* We install an X IO error handler in addition to the child watch,
because after Xlib connects our child watch may not be called soon
enough, and therefore we won't crash when X exits (and most important
@ -657,6 +686,9 @@ meta_xwayland_complete_init (MetaDisplay *display)
g_signal_connect (display, "x11-display-closing",
G_CALLBACK (on_x11_display_closing), NULL);
meta_xwayland_init_dnd ();
g_signal_connect (meta_get_display (), "window-created",
G_CALLBACK (window_created_cb), manager);
}
void
@ -664,6 +696,10 @@ meta_xwayland_shutdown (MetaXWaylandManager *manager)
{
char path[256];
g_signal_handlers_disconnect_by_func (meta_get_display (),
window_created_cb,
manager);
g_cancellable_cancel (manager->xserver_died_cancellable);
g_clear_object (&manager->proc);
g_clear_object (&manager->xserver_died_cancellable);