wayland lock pointer to windowwayland

2 files changed, 59 insertions, 0 deletions

diff --git a/src/spice-widget-priv.h b/src/spice-widget-priv.h
index ddd2f98..4e8cd02 100644
--- a/src/spice-widget-priv.h
+++ b/src/spice-widget-priv.h
@@ -161,6 +161,8 @@ struct _SpiceDisplayPrivate {
     struct zwp_pointer_constraints_v1 *pointer_constraints;
     struct zwp_relative_pointer_manager_v1 *relative_pointer_manager;
 
+    struct zwp_locked_pointer_v1 *locked_pointer;
+
     /* FIXME: belong to session? */
     struct zwp_relative_pointer_v1 *relative_pointer;
 #endif
diff --git a/src/spice-widget.c b/src/spice-widget.c
index cf060d3..934aa83 100644
--- a/src/spice-widget.c
+++ b/src/spice-widget.c
@@ -1115,6 +1115,7 @@ error:
 #endif
 
 static int spice_display_wayland_lock_pointer(SpiceDisplay *display);
+static void spice_display_wayland_constrain_pointer(SpiceDisplay *display);
 
 static gboolean do_pointer_grab(SpiceDisplay *display)
 {
@@ -1164,6 +1165,7 @@ static gboolean do_pointer_grab(SpiceDisplay *display)
                      GDK_CURRENT_TIME);
 #endif
     spice_display_wayland_lock_pointer(display);
+    spice_display_wayland_constrain_pointer(display);
     G_GNUC_END_IGNORE_DEPRECATIONS
     grab_successful = (status == GDK_GRAB_SUCCESS);
     if (!grab_successful) {
@@ -1265,6 +1267,7 @@ static void mouse_wrap(SpiceDisplay *display, GdkEventMotion *motion)
 }
 
 static int spice_display_wayland_unlock_pointer(SpiceDisplay *display);
+static void spice_display_wayland_unconstrain_pointer(SpiceDisplay *display);
 
 static void ungrab_pointer(G_GNUC_UNUSED SpiceDisplay *display)
 {
@@ -1278,6 +1281,7 @@ static void ungrab_pointer(G_GNUC_UNUSED SpiceDisplay *display)
     gdk_pointer_ungrab(GDK_CURRENT_TIME);
 #endif
     spice_display_wayland_unlock_pointer(display);
+    spice_display_wayland_unconstrain_pointer(display);
     G_GNUC_END_IGNORE_DEPRECATIONS
 }
 
@@ -3345,4 +3349,57 @@ static int spice_display_wayland_unlock_pointer(SpiceDisplay *display)
 
     return 0;
 }
+
+static void
+locked_pointer_locked(void *data,
+                      struct zwp_locked_pointer_v1 *locked_pointer)
+{
+}
+
+static void
+locked_pointer_unlocked(void *data,
+                        struct zwp_locked_pointer_v1 *locked_pointer)
+{
+}
+
+static const struct zwp_locked_pointer_v1_listener locked_pointer_listener = {
+    locked_pointer_locked,
+    locked_pointer_unlocked,
+};
+
+static void
+spice_display_wayland_constrain_pointer(SpiceDisplay *display)
+{
+    struct zwp_locked_pointer_v1 *locked_pointer;
+    GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(display));
+    struct wl_pointer *pointer;
+
+
+    if (display->priv->locked_pointer)
+        return;
+
+    pointer = gdk_wayland_device_get_wl_pointer(spice_gdk_window_get_pointing_device(window));
+    locked_pointer =
+        zwp_pointer_constraints_v1_lock_pointer(display->priv->pointer_constraints,
+                                                gdk_wayland_window_get_wl_surface(window),
+                                                pointer,
+                                                NULL,
+                                                ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
+    zwp_locked_pointer_v1_add_listener(locked_pointer,
+                                       &locked_pointer_listener,
+                                       display);
+
+    display->priv->locked_pointer = locked_pointer;
+}
+
+/* FIXME: in SDL, this is done as part of spice_display_wayland_unlock_pointer */
+static void
+spice_display_wayland_unconstrain_pointer(SpiceDisplay *display)
+{
+    if (display->priv->locked_pointer) {
+        zwp_locked_pointer_v1_destroy(display->priv->locked_pointer);
+        display->priv->locked_pointer = NULL;
+    }
+}
+
 #endif