From bb42e04dbf93187c55b279fd66148644b71ab88d Mon Sep 17 00:00:00 2001
From: Luis Lucas <luisfrlucas@gmail.com>
Date: Sun, 18 Jan 2015 01:42:31 +0000
Subject: [PATCH] Pan all images synchronously. First version.

---
 app/SubWindowHandle.h  |  1 +
 app/VideoSubWindow.cpp |  5 +++--
 app/plaYUVerApp.cpp    | 21 ++++++++++++++++++++-
 app/plaYUVerApp.h      |  2 ++
 4 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/app/SubWindowHandle.h b/app/SubWindowHandle.h
index d966103..3d4e6a9 100644
--- a/app/SubWindowHandle.h
+++ b/app/SubWindowHandle.h
@@ -99,6 +99,7 @@ protected:
 
 Q_SIGNALS:
   void zoomChangedOnSubWindow();
+  void scrollBarMoved( const QPoint );
   void updateStatusBar( const QString& );
 
 public Q_SLOTS:
diff --git a/app/VideoSubWindow.cpp b/app/VideoSubWindow.cpp
index 7dedbcc..39e0106 100644
--- a/app/VideoSubWindow.cpp
+++ b/app/VideoSubWindow.cpp
@@ -83,8 +83,9 @@ VideoSubWindow::VideoSubWindow( QWidget * parent, Bool isModule ) :
 
   // Create a new interface to show images
   m_cViewArea = new ViewArea( this );
-  connect( m_cViewArea, SIGNAL( zoomFactorChanged( double , QPoint) ), this, SLOT( processZoomChange(double, QPoint) ) );
-  connect( m_cViewArea, SIGNAL( moveScroll( QPoint ) ), this, SLOT( adjustScrollBarByOffset(QPoint) ) );
+  connect( m_cViewArea, SIGNAL( zoomFactorChanged( double , QPoint) ), this, SLOT( processZoomChange( double, QPoint ) ) );
+  connect( m_cViewArea, SIGNAL( moveScroll( QPoint ) ), this, SLOT( adjustScrollBarByOffset( QPoint ) ) );
+  connect( m_cViewArea, SIGNAL( moveScroll( QPoint ) ), this, SIGNAL( scrollBarMoved( QPoint ) ) );
 
   connect( m_cViewArea, SIGNAL( selectionChanged( QRect ) ), this, SLOT( updateSelectedArea( QRect ) ) );
   connect( m_cViewArea, SIGNAL( positionChanged( const QPoint & ) ), this, SLOT( updatePixelValueStatusBar( const QPoint & ) ) );
diff --git a/app/plaYUVerApp.cpp b/app/plaYUVerApp.cpp
index 94e1485..8a3db8a 100644
--- a/app/plaYUVerApp.cpp
+++ b/app/plaYUVerApp.cpp
@@ -196,6 +196,7 @@ Void plaYUVerApp::loadFile( QString fileName, PlaYUVerStreamInfo* pStreamInfo )
 
       connect( subWindow, SIGNAL( updateStatusBar( const QString& ) ), this, SLOT( updateStatusBar( const QString& ) ) );
       connect( subWindow, SIGNAL( zoomChangedOnSubWindow() ), this, SLOT( updateZoomFactorSBox() ) );
+      connect( subWindow, SIGNAL( scrollBarMoved( const QPoint ) ), this, SLOT( moveAllScrollBars( const QPoint ) ) );
 
       videoSubWindow->zoomToFit();
       videoSubWindow->getViewArea()->setTool( m_appTool );
@@ -422,7 +423,10 @@ Void plaYUVerApp::zoomToFactorAll( double factor )
   for( Int i = 0; i < mdiArea->subWindowList().size(); i++ )
   {
     subWindow = qobject_cast<SubWindowHandle *>( mdiArea->subWindowList().at( i ) );
-    subWindow->zoomToFactor(factor);
+    if( m_pcCurrentSubWindow == subWindow )
+      continue;
+    else
+      subWindow->zoomToFactor(factor);
   }
 }
 
@@ -459,6 +463,21 @@ Void plaYUVerApp::updateZoomFactorSBox()
   }
 }
 
+Void plaYUVerApp::moveAllScrollBars( const QPoint offset )
+{
+  SubWindowHandle *subWindow;
+  for( Int i = 0; i < mdiArea->subWindowList().size(); i++ )
+  {
+    subWindow = qobject_cast<SubWindowHandle *>( mdiArea->subWindowList().at( i ) );
+
+    if( m_pcCurrentSubWindow == subWindow )
+      continue;
+    else
+      subWindow->adjustScrollBarByOffset(offset);
+  }
+
+}
+
 // -----------------------  Drag and drop functions  ----------------------
 
 Void plaYUVerApp::dragEnterEvent( QDragEnterEvent *event )
diff --git a/app/plaYUVerApp.h b/app/plaYUVerApp.h
index b563f00..255ddfc 100644
--- a/app/plaYUVerApp.h
+++ b/app/plaYUVerApp.h
@@ -105,6 +105,8 @@ private Q_SLOTS:
   void updateZoomFactorSBox();
   void updateStatusBar( const QString& );
 
+  void moveAllScrollBars( const QPoint offset );
+
 private:
 
   class PlaYUVerMdiArea: public QMdiArea