Init implementation of a window manager to replace QMdiArea

app/PlaYUVerSubWinManager.cpp

@@ -0,0 +1,189 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014-2015  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                                Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     PlaYUVerSubWinManager.cpp
+ * \brief
+ */
+
+#include "PlaYUVerSubWinManager.h"
+#include "SubWindowHandle.h"
+
+namespace plaYUVer
+{
+
+PlaYUVerSubWinManager::PlaYUVerSubWinManager( QWidget *parent ) :
+            QWidget( parent ),
+            m_pixmapLogo( ":/images/playuver-backgroud-logo.png" )
+{
+  m_bMdiModeEnabled = true;
+
+  m_pcMdiArea = new QMdiArea( this );
+
+  connect( m_pcMdiArea, SIGNAL( subWindowActivated(QMdiSubWindow*) ), this, SLOT( updateActiveSubWindow() ) );
+
+  m_pcActiveWindow = NULL;
+  m_apcSubWindowList.clear();
+  m_apcMdiSubWindowList.clear();
+}
+
+void PlaYUVerSubWinManager::paintEvent( QPaintEvent *event )
+{
+  //  QWidget::paintEvent( event );
+  //  QPainter painter( m_pcMdiArea->viewport() );
+  //  QSize logoSize = 2 * size() / 3;
+  //
+  //  QPixmap pixFinalLogo = m_pixmapLogo.scaled( logoSize, Qt::KeepAspectRatio );
+  //
+  //  // Calculate the logo position - the bottom right corner of the mdi area.
+  //  int x = width() / 2 - pixFinalLogo.width() / 2;
+  //  int y = height() / 2 - pixFinalLogo.height() / 2;
+  //  painter.drawPixmap( x, y, pixFinalLogo );
+}
+
+Void PlaYUVerSubWinManager::updateActiveSubWindow()
+{
+  if( m_bMdiModeEnabled )
+  {
+    m_pcActiveWindow = NULL;
+    QMdiSubWindow* mdiSubWindow = m_pcMdiArea->activeSubWindow();
+    if( mdiSubWindow)
+    {
+      QWidget* activeWidget = m_pcMdiArea->activeSubWindow()->widget();
+      Int windowIdx = m_apcSubWindowList.indexOf( qobject_cast<SubWindowHandle *>( activeWidget ) );
+      if( windowIdx >= 0 )
+      {
+        m_pcActiveWindow = m_apcSubWindowList.at( windowIdx );
+        emit windowActivated();
+      }
+    }
+  }
+}
+
+Void PlaYUVerSubWinManager::addSubWindow( SubWindowHandle *window, Qt::WindowFlags flags )
+{
+  if( m_bMdiModeEnabled )
+  {
+    m_apcMdiSubWindowList.append( m_pcMdiArea->addSubWindow( window ) );
+  }
+
+  m_apcSubWindowList.append( window );
+}
+
+Void PlaYUVerSubWinManager::removeSubWindow( Int windowIdx )
+{
+  if( windowIdx >= 0 )
+  {
+    if( m_bMdiModeEnabled )
+    {
+      m_pcMdiArea->removeSubWindow( m_apcSubWindowList.at( windowIdx ) );
+      m_apcMdiSubWindowList.at( windowIdx )->close();
+      m_apcMdiSubWindowList.removeAt( windowIdx );
+    }
+    m_apcSubWindowList.removeAt( windowIdx );
+  }
+}
+
+
+Void PlaYUVerSubWinManager::removeSubWindow( SubWindowHandle* window )
+{
+  removeSubWindow( m_apcSubWindowList.indexOf( window ) );
+}
+
+Void PlaYUVerSubWinManager::removeAllSubWindow()
+{
+  while( m_apcSubWindowList.size() > 0)
+  {
+    removeSubWindow( 0 );
+  }
+}
+
+
+SubWindowHandle* PlaYUVerSubWinManager::activeSubWindow() const
+{
+  return m_pcActiveWindow;
+}
+
+QList<SubWindowHandle*> PlaYUVerSubWinManager::findSubWindow( const QString &windowName ) const
+{
+  QList<SubWindowHandle*> apcSubWindowList;
+  if( windowName.isEmpty() )
+  {
+    apcSubWindowList = m_apcSubWindowList;
+  }
+  else
+  {
+    for( Int i = 0; i < m_apcSubWindowList.size(); i++ )
+    {
+      if( m_apcSubWindowList.at( i )->getWindowName() == windowName )
+        apcSubWindowList.append( m_apcSubWindowList.at( i ) );
+    }
+  }
+  return apcSubWindowList;
+}
+
+QList<SubWindowHandle*> PlaYUVerSubWinManager::findSubWindow( const UInt uiCategory ) const
+{
+  QList<SubWindowHandle*> apcSubWindowList;
+  QList<SubWindowHandle*> subWindowList = findSubWindow();
+  for( Int i = 0; i < subWindowList.size(); i++ )
+  {
+    if( subWindowList.at( i )->getCategory() == uiCategory )
+      apcSubWindowList.append( subWindowList.at( i ) );
+  }
+  return apcSubWindowList;
+}
+
+SubWindowHandle* PlaYUVerSubWinManager::findSubWindow( const SubWindowHandle* subWindow )
+{
+  QList<SubWindowHandle*> subWindowList = findSubWindow();
+  for( Int i = 0; i < subWindowList.size(); i++ )
+  {
+    if( subWindow == subWindowList.at( i ) )
+      return subWindowList.at( i );
+  }
+  return 0;
+}
+
+Void PlaYUVerSubWinManager::setActiveSubWindow( QWidget *window )
+{
+  if( !window )
+    return;
+
+  m_pcActiveWindow = qobject_cast<SubWindowHandle *>( window );
+  window->font();
+}
+
+Void PlaYUVerSubWinManager::tileSubWindows()
+{
+  if( m_bMdiModeEnabled )
+  {
+    m_pcMdiArea->tileSubWindows();
+  }
+}
+
+Void PlaYUVerSubWinManager::cascadeSubWindows()
+{
+  if( m_bMdiModeEnabled )
+  {
+    m_pcMdiArea->cascadeSubWindows();
+  }
+}
+
+}  // NAMESPACE