- FreezePointer() : handle_motion(0), m_function(0), m_data(0)
- {
- }
- 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);
-
- m_function = 0;
- m_data = 0;
-
- Sys_SetCursorPos(window, recorded_x, recorded_y);
-
- gdk_pointer_ungrab(GDK_CURRENT_TIME);
- }
+FreezePointer() : handle_motion( 0 ), m_function( 0 ), m_data( 0 ){
+}
+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 );
+
+ m_function = 0;
+ m_data = 0;
+
+ Sys_SetCursorPos( window, recorded_x, recorded_y );
+
+ gdk_pointer_ungrab( GDK_CURRENT_TIME );
+}