gtk: Allow to activate grab-on-hover from the command line

As long as we have no persistent GTK configuration, this allows to
enable the useful grab-on-hover feature already when starting the VM.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

[ kraxel: fix warning with CONFIG_GTK=n ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/ui/gtk.c b/ui/gtk.c
index c3ac448e52..016804d3c2 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -1438,7 +1438,7 @@ static const DisplayChangeListenerOps dcl_ops = {
     .dpy_cursor_define = gd_cursor_define,
 };
 
-void gtk_display_init(DisplayState *ds, bool full_screen)
+void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover)
 {
     GtkDisplayState *s = g_malloc0(sizeof(*s));
     char *filename;
@@ -1517,6 +1517,9 @@ void gtk_display_init(DisplayState *ds, bool full_screen)
     if (full_screen) {
         gtk_menu_item_activate(GTK_MENU_ITEM(s->full_screen_item));
     }
+    if (grab_on_hover) {
+        gtk_menu_item_activate(GTK_MENU_ITEM(s->grab_on_hover_item));
+    }
 
     register_displaychangelistener(&s->dcl);