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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
This commit is contained in:
Carlos Garnacho 2020-04-08 13:37:19 +02:00 committed by Robert Mader
parent fbd6366edd
commit 167fd07e01
1 changed files with 16 additions and 9 deletions
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19
src/x11/meta-x11-selection.c
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@ -23,6 +23,7 @@
#include <gdk/gdkx.h> #include <gdk/gdkx.h>
#include "core/meta-selection-private.h"
#include "x11/meta-selection-source-x11-private.h" #include "x11/meta-selection-source-x11-private.h"
#include "x11/meta-x11-selection-output-stream-private.h" #include "x11/meta-x11-selection-output-stream-private.h"
#include "x11/meta-x11-selection-private.h" #include "x11/meta-x11-selection-private.h"
@ -374,10 +375,9 @@ meta_x11_selection_handle_event (MetaX11Display *x11_display,
} }
static void static void
owner_changed_cb (MetaSelection *selection, notify_selection_owner (MetaX11Display *x11_display,
MetaSelectionType selection_type, MetaSelectionType selection_type,
MetaSelectionSource *new_owner, MetaSelectionSource *new_owner)
MetaX11Display *x11_display)
{ {
Display *xdisplay = x11_display->xdisplay; Display *xdisplay = x11_display->xdisplay;
@ -404,6 +404,7 @@ meta_x11_selection_init (MetaX11Display *x11_display)
{ {
XSetWindowAttributes attributes = { 0 }; XSetWindowAttributes attributes = { 0 };
MetaDisplay *display = meta_get_display (); MetaDisplay *display = meta_get_display ();
MetaSelection *selection;
guint mask, i; guint mask, i;
attributes.event_mask = PropertyChangeMask | SubstructureNotifyMask; attributes.event_mask = PropertyChangeMask | SubstructureNotifyMask;
@ -424,17 +425,23 @@ meta_x11_selection_init (MetaX11Display *x11_display)
XFixesSelectionWindowDestroyNotifyMask | XFixesSelectionWindowDestroyNotifyMask |
XFixesSelectionClientCloseNotifyMask; XFixesSelectionClientCloseNotifyMask;
selection = meta_display_get_selection (display);
for (i = 0; i < META_N_SELECTION_TYPES; i++) for (i = 0; i < META_N_SELECTION_TYPES; i++)
{ {
MetaSelectionSource *owner;
XFixesSelectSelectionInput (x11_display->xdisplay, XFixesSelectSelectionInput (x11_display->xdisplay,
x11_display->selection.xwindow, x11_display->selection.xwindow,
selection_to_atom (i, x11_display->xdisplay), selection_to_atom (i, x11_display->xdisplay),
mask); mask);
owner = meta_selection_get_current_owner (selection, i);
notify_selection_owner (x11_display, i, owner);
} }
g_signal_connect (meta_display_get_selection (display), g_signal_connect_swapped (selection,
"owner-changed", "owner-changed",
G_CALLBACK (owner_changed_cb), G_CALLBACK (notify_selection_owner),
x11_display); x11_display);
} }
@ -445,7 +452,7 @@ meta_x11_selection_shutdown (MetaX11Display *x11_display)
guint i; guint i;
g_signal_handlers_disconnect_by_func (meta_display_get_selection (display), g_signal_handlers_disconnect_by_func (meta_display_get_selection (display),
owner_changed_cb, notify_selection_owner,
x11_display); x11_display);
for (i = 0; i < META_N_SELECTION_TYPES; i++) for (i = 0; i < META_N_SELECTION_TYPES; i++)