File indexing completed on 2024-05-12 05:34:34

 /*
     this file is part of the oxygen gtk engine
     SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
     SPDX-FileCopyrightText: 2010 Ruslan Kabatsayev <b7.10110111@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "oxygenmainwindowdata.h"
 #include "../oxygengtkutils.h"
 
 #include <gtk/gtk.h>
 
 namespace Oxygen
 {
 
     //________________________________________________________________________________
     void MainWindowData::connect( GtkWidget* widget )
     {
         _target = widget;
         _locked = false;
         _configureId.connect( G_OBJECT(widget), "configure-event", G_CALLBACK( configureNotifyEvent ), this);
     }
 
     //________________________________________________________________________________
     void MainWindowData::disconnect( GtkWidget* widget )
     {
         _target = 0L;
 
         // reset timeout and locked flag
         _timer.stop();
         _locked = false;
 
         _configureId.disconnect();
     }
 
     //________________________________________________________________________________
     void MainWindowData::updateSize( int width, int height )
     {
 
         if( width == _width && height == _height ) return;
         _width = width;
         _height = height;
 
         // schedule delayed timeOut
         if( !_timer.isRunning() )
         {
 
             _timer.start( 50, (GSourceFunc)delayedUpdate, this );
             _locked = false;
 
         } else _locked = true;
 
     }
 
     //________________________________________________________________________________
     gboolean MainWindowData::configureNotifyEvent(GtkWidget* widget, GdkEventConfigure* event, gpointer data )
     {
         static_cast<MainWindowData*>(data)->updateSize( event->width, event->height );
         return FALSE;
     }
 
     //________________________________________________________________________________
     gboolean MainWindowData::delayedUpdate( gpointer pointer )
     {
 
         MainWindowData& data( *static_cast<MainWindowData*>(pointer) );
         if( !data._target )
         {
 
             // if target is invalid, reset timeout and return
             data._locked = false;
             return FALSE;
 
         } else if( data._locked ) {
 
             // if locked, reset the flag and re-run timer
             data._locked = false;
             return TRUE;
 
         } else {
 
             // otherwise, trigger update
             gtk_widget_queue_draw( data._target );
             return FALSE;
 
         }
 
     }
 
 }