compositor: Move pointer motion clipping to its own function

diff --git a/src/compositor.c b/src/compositor.c
index 50e0a77..f9e2499 100644 (file)
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -1558,17 +1558,17 @@ static  void
 weston_input_update_drag_surface(struct wl_input_device *input_device,
                                 int dx, int dy);
 
-WL_EXPORT void
-notify_motion(struct wl_input_device *device, uint32_t time, GLfloat x, GLfloat y)
+static void
+clip_pointer_motion(struct weston_compositor *ec,
+                   GLfloat *fx, GLfloat *fy)
 {
        struct weston_output *output;
-       const struct wl_pointer_grab_interface *interface;
-       struct weston_input_device *wd = (struct weston_input_device *) device;
-       struct weston_compositor *ec = wd->compositor;
+       int32_t x, y;
        int x_valid = 0, y_valid = 0;
        int min_x = INT_MAX, min_y = INT_MAX, max_x = INT_MIN, max_y = INT_MIN;
 
-       weston_compositor_activity(ec);
+       x = *fx;
+       y = *fy;
 
        wl_list_for_each(output, &ec->output_list, link) {
                if (output->x <= x && x < output->x + output->current->width)
@@ -1602,6 +1602,22 @@ notify_motion(struct wl_input_device *device, uint32_t time, GLfloat x, GLfloat
                        y = max_y;
        }
 
+       *fx = x;
+       *fy = y;
+}
+
+WL_EXPORT void
+notify_motion(struct wl_input_device *device, uint32_t time, GLfloat x, GLfloat y)
+{
+       const struct wl_pointer_grab_interface *interface;
+       struct weston_input_device *wd = (struct weston_input_device *) device;
+       struct weston_compositor *ec = wd->compositor;
+       struct weston_output *output;
+
+       weston_compositor_activity(ec);
+
+       clip_pointer_motion(ec, &x, &y);
+
        weston_input_update_drag_surface(device,
                                         x - device->x, y - device->y);