-static gboolean motion_delta( GtkWidget *widget, GdkEventMotion *event, FreezePointer* self ){
- int current_x, current_y;
- Sys_GetCursorPos( GTK_WINDOW( widget ), ¤t_x, ¤t_y );
- int dx = current_x - self->recorded_x;
- int dy = current_y - self->recorded_y;
- if ( dx != 0 || dy != 0 ) {
- //globalOutputStream() << "motion x: " << dx << ", y: " << dy << "\n";
- Sys_SetCursorPos( GTK_WINDOW( widget ), self->recorded_x, self->recorded_y );
- self->m_function( dx, dy, event->state, self->m_data );
- }
- return FALSE;
-}
-
-void freeze_pointer( GtkWindow* window, MotionDeltaFunction function, void* data ){
- ASSERT_MESSAGE( m_function == 0, "can't freeze pointer" );
-
- const GdkEventMask mask = static_cast<GdkEventMask>( GDK_POINTER_MOTION_MASK
- | GDK_POINTER_MOTION_HINT_MASK
- | GDK_BUTTON_MOTION_MASK
- | GDK_BUTTON1_MOTION_MASK
- | GDK_BUTTON2_MOTION_MASK
- | GDK_BUTTON3_MOTION_MASK
- | GDK_BUTTON_PRESS_MASK
- | GDK_BUTTON_RELEASE_MASK
- | GDK_VISIBILITY_NOTIFY_MASK );
-
- GdkCursor* cursor = create_blank_cursor();
- //GdkGrabStatus status =
- gdk_pointer_grab( GTK_WIDGET( window )->window, TRUE, mask, 0, cursor, GDK_CURRENT_TIME );
- gdk_cursor_unref( cursor );
-
- Sys_GetCursorPos( window, &recorded_x, &recorded_y );
-
- Sys_SetCursorPos( window, recorded_x, recorded_y );
-
- m_function = function;
- m_data = data;
-
- handle_motion = g_signal_connect( G_OBJECT( window ), "motion_notify_event", G_CALLBACK( motion_delta ), this );
-}
-
-void unfreeze_pointer( GtkWindow* window ){
- g_signal_handler_disconnect( G_OBJECT( window ), handle_motion );