Move default grab implementation to wayland-server

diff --git a/src/wayland-server.c b/src/wayland-server.c
index cf98aeb..1df6a0b 100644 (file)
--- a/src/wayland-server.c
+++ b/src/wayland-server.c
@@ -412,6 +412,58 @@ lose_keyboard_focus(struct wl_listener *listener,
        device->keyboard_focus_resource = NULL;
 }
 
+static void
+default_grab_focus(struct wl_grab *grab, uint32_t time,
+                  struct wl_surface *surface, int32_t x, int32_t y)
+{
+       struct wl_input_device *device = grab->input_device;
+
+       if (device->button_count > 0)
+               return;
+
+       wl_input_device_set_pointer_focus(device, surface, time,
+                                         device->x, device->y, x, y);
+}
+
+static void
+default_grab_motion(struct wl_grab *grab,
+                   uint32_t time, int32_t x, int32_t y)
+{
+       struct wl_input_device *device = grab->input_device;
+       struct wl_resource *resource;
+
+       resource = grab->input_device->pointer_focus_resource;
+       if (resource)
+               wl_resource_post_event(resource, WL_INPUT_DEVICE_MOTION,
+                                      time, device->x, device->y, x, y);
+}
+
+static void
+default_grab_button(struct wl_grab *grab,
+                   uint32_t time, int32_t button, int32_t state)
+{
+       struct wl_input_device *device = grab->input_device;
+       struct wl_resource *resource;
+
+       if (device->button_count == 0 && state == 0)
+               wl_input_device_set_pointer_focus(device,
+                                                 device->current, time,
+                                                 device->x, device->y,
+                                                 device->current_x,
+                                                 device->current_y);
+
+       resource = device->pointer_focus_resource;
+       if (resource)
+               wl_resource_post_event(resource, WL_INPUT_DEVICE_BUTTON,
+                                      time, button, state);
+}
+
+static const struct wl_grab_interface default_grab_interface = {
+       default_grab_focus,
+       default_grab_motion,
+       default_grab_button
+};
+
 WL_EXPORT void
 wl_input_device_init(struct wl_input_device *device)
 {
@@ -421,6 +473,10 @@ wl_input_device_init(struct wl_input_device *device)
        device->pointer_focus_listener.func = lose_pointer_focus;
        device->keyboard_focus_listener.func = lose_keyboard_focus;
 
+       device->default_grab.interface = &default_grab_interface;
+       device->default_grab.input_device = device;
+       device->grab = &device->default_grab;
+
        device->x = 100;
        device->y = 100;
 }