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x11: Make clipboard use translate-event signal

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This commit is contained in:
Benjamin Otte
2017-12-13 00:56:05 +01:00
parent c93ddf62c3
commit 2d86c1a869
1 changed files with 23 additions and 24 deletions
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47
gdk/x11/gdkclipboard-x11.c
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@@ -372,55 +372,52 @@ gdk_x11_clipboard_claim_remote (GdkX11Clipboard *cb,
gdk_x11_clipboard_request_targets (cb);
}
static GdkFilterReturn
gdk_x11_clipboard_filter_event (GdkXEvent *xev,
GdkEvent *gdkevent,
gpointer data)
static GdkEvent *
gdk_x11_clipboard_translate_event (GdkDisplay *display,
const XEvent *xevent,
gpointer data)
{
GdkX11Clipboard *cb = GDK_X11_CLIPBOARD (data);
GdkDisplay *display;
XEvent *xevent = xev;
Window xwindow;
display = gdk_clipboard_get_display (GDK_CLIPBOARD (cb));
xwindow = GDK_X11_DISPLAY (display)->leader_window;
if (xevent->xany.window != xwindow)
return GDK_FILTER_CONTINUE;
return NULL;
switch (xevent->type)
{
case SelectionClear:
if (xevent->xselectionclear.selection != cb->xselection)
return GDK_FILTER_CONTINUE;
return NULL;
if (xevent->xselectionclear.time < cb->timestamp)
{
GDK_NOTE(CLIPBOARD, g_printerr ("%s: ignoring SelectionClear with too old timestamp (%lu vs %lu)\n",
cb->selection, xevent->xselectionclear.time, cb->timestamp));
return GDK_FILTER_CONTINUE;
return NULL;
}
GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionClear\n", cb->selection));
gdk_x11_clipboard_claim_remote (cb, xevent->xselectionclear.time);
return GDK_FILTER_REMOVE;
return gdk_event_new (GDK_NOTHING);
case SelectionNotify:
/* This code only checks clipboard manager replies, so... */
if (!g_str_equal (cb->selection, "CLIPBOARD"))
return GDK_FILTER_CONTINUE;
return NULL;
/* selection is not for us */
if (xevent->xselection.selection != gdk_x11_get_xatom_by_name_for_display (display, "CLIPBOARD_MANAGER") ||
xevent->xselection.target != gdk_x11_get_xatom_by_name_for_display (display, "SAVE_TARGETS"))
return GDK_FILTER_CONTINUE;
return NULL;
/* We already received a selectionNotify before */
if (cb->store_task == NULL)
{
GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionNotify for nonexisting task?!\n",
cb->selection));
return GDK_FILTER_CONTINUE;
return NULL;
}
GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionNotify for store task\n",
@@ -433,14 +430,14 @@ gdk_x11_clipboard_filter_event (GdkXEvent *xev,
_("Clipboard manager could not store selection."));
g_clear_object (&cb->store_task);
return GDK_FILTER_CONTINUE;
return NULL;
case SelectionRequest:
{
const char *target, *property;
if (xevent->xselectionrequest.selection != cb->xselection)
return GDK_FILTER_CONTINUE;
return NULL;
target = gdk_x11_get_xatom_name_for_display (display, xevent->xselectionrequest.target);
if (xevent->xselectionrequest.property == None)
@@ -452,13 +449,13 @@ gdk_x11_clipboard_filter_event (GdkXEvent *xev,
{
GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionRequest for %s @ %s even though we don't own the selection, huh?\n",
cb->selection, target, property));
return GDK_FILTER_REMOVE;
return gdk_event_new (GDK_NOTHING);
}
if (xevent->xselectionrequest.requestor == None)
{
GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionRequest for %s @ %s with NULL window, ignoring\n",
cb->selection, target, property));
return GDK_FILTER_REMOVE;
return gdk_event_new (GDK_NOTHING);
}
GDK_NOTE(CLIPBOARD, g_printerr ("%s: got SelectionRequest for %s @ %s\n",
@@ -474,7 +471,7 @@ gdk_x11_clipboard_filter_event (GdkXEvent *xev,
xevent->xselectionrequest.time,
gdk_x11_clipboard_default_output_handler,
cb);
return GDK_FILTER_REMOVE;
return gdk_event_new (GDK_NOTHING);
}
default:
@@ -484,13 +481,13 @@ gdk_x11_clipboard_filter_event (GdkXEvent *xev,
XFixesSelectionNotifyEvent *sn = (XFixesSelectionNotifyEvent *) xevent;
if (sn->selection != cb->xselection)
return GDK_FILTER_CONTINUE;
return NULL;
if (sn->owner == GDK_X11_DISPLAY (display)->leader_window)
{
GDK_NOTE(CLIPBOARD, g_printerr ("%s: Ignoring XFixesSelectionNotify for ourselves\n",
cb->selection));
return GDK_FILTER_CONTINUE;
return NULL;
}
GDK_NOTE(CLIPBOARD, g_printerr ("%s: Received XFixesSelectionNotify, claiming selection\n",
@@ -499,7 +496,7 @@ gdk_x11_clipboard_filter_event (GdkXEvent *xev,
gdk_x11_clipboard_claim_remote (cb, sn->selection_timestamp);
}
#endif
return GDK_FILTER_CONTINUE;
return NULL;
}
}
@@ -508,7 +505,9 @@ gdk_x11_clipboard_finalize (GObject *object)
{
GdkX11Clipboard *cb = GDK_X11_CLIPBOARD (object);
gdk_window_remove_filter (NULL, gdk_x11_clipboard_filter_event, cb);
g_signal_handlers_disconnect_by_func (gdk_clipboard_get_display (GDK_CLIPBOARD (cb)),
gdk_x11_clipboard_translate_event,
cb);
g_free (cb->selection);
G_OBJECT_CLASS (gdk_x11_clipboard_parent_class)->finalize (object);
@@ -815,7 +814,7 @@ gdk_x11_clipboard_new (GdkDisplay *display,
cb->xselection = gdk_x11_get_xatom_by_name_for_display (display, selection);
gdk_display_request_selection_notification (display, gdk_atom_intern (selection, FALSE));
gdk_window_add_filter (NULL, gdk_x11_clipboard_filter_event, cb);
g_signal_connect (display, "translate-event", G_CALLBACK (gdk_x11_clipboard_translate_event), cb);
gdk_x11_clipboard_claim_remote (cb, CurrentTime);
return GDK_CLIPBOARD (cb);