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x11: Forward current selection state when initializing X11 selections

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Most visible with xwayland-on-demand, at the time of setting things up
for X11 selections, we don't forward the current state. This makes the
first started X11 app oblivious to eg. the current clipboard.

Syncing selections up at the time of initializing the X11 selection
stuff ensures that doesn't happen.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1186

(cherry picked from commit 167fd07e01)
This commit is contained in:
Carlos Garnacho 2020-04-08 13:37:19 +02:00 committed by Robert Mader
parent 50f383d2e9
commit 0ab8b17433
1 changed files with 16 additions and 9 deletions
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25
src/x11/meta-x11-selection.c
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@ -23,6 +23,7 @@
#include <gdk/gdkx.h>
#include "core/meta-selection-private.h"
#include "x11/meta-selection-source-x11-private.h"
#include "x11/meta-x11-selection-output-stream-private.h"
#include "x11/meta-x11-selection-private.h"
@ -373,10 +374,9 @@ meta_x11_selection_handle_event (MetaX11Display *x11_display,
}
static void
owner_changed_cb (MetaSelection *selection,
MetaSelectionType selection_type,
MetaSelectionSource *new_owner,
MetaX11Display *x11_display)
notify_selection_owner (MetaX11Display *x11_display,
MetaSelectionType selection_type,
MetaSelectionSource *new_owner)
{
Display *xdisplay = x11_display->xdisplay;
@ -403,6 +403,7 @@ meta_x11_selection_init (MetaX11Display *x11_display)
{
XSetWindowAttributes attributes = { 0 };
MetaDisplay *display = meta_get_display ();
MetaSelection *selection;
guint mask, i;
attributes.event_mask = PropertyChangeMask | SubstructureNotifyMask;
@ -423,18 +424,24 @@ meta_x11_selection_init (MetaX11Display *x11_display)
XFixesSelectionWindowDestroyNotifyMask |
XFixesSelectionClientCloseNotifyMask;
selection = meta_display_get_selection (display);
for (i = 0; i < META_N_SELECTION_TYPES; i++)
{
MetaSelectionSource *owner;
XFixesSelectSelectionInput (x11_display->xdisplay,
x11_display->selection.xwindow,
selection_to_atom (i, x11_display->xdisplay),
mask);
owner = meta_selection_get_current_owner (selection, i);
notify_selection_owner (x11_display, i, owner);
}
g_signal_connect (meta_display_get_selection (display),
"owner-changed",
G_CALLBACK (owner_changed_cb),
x11_display);
g_signal_connect_swapped (selection,
"owner-changed",
G_CALLBACK (notify_selection_owner),
x11_display);
}
void
@ -443,7 +450,7 @@ meta_x11_selection_shutdown (MetaX11Display *x11_display)
MetaDisplay *display = meta_get_display ();
g_signal_handlers_disconnect_by_func (meta_display_get_selection (display),
owner_changed_cb,
notify_selection_owner,
x11_display);
if (x11_display->selection.xwindow != None)
{