[vlmc-devel] commit: Adding an undo/redo command for resizing effect and triggering it. ( Hugo Beauzée-Luyssen )

[git at videolan.org]

vlmc | branch: master | Hugo Beauzée-Luyssen <beauze.h at gmail.com> | Wed Sep  8 21:14:18 2010 +0200| [6686041023bb0f24b4fe79afdd0c55078c488bfd] | committer: Hugo Beauzée-Luyssen 

Adding an undo/redo command for resizing effect and triggering it.

> http://git.videolan.org/gitweb.cgi/vlmc.git/?a=commit;h=6686041023bb0f24b4fe79afdd0c55078c488bfd
---

 src/Commands/Commands.cpp               |   23 +++++++++++++++++++++++
 src/Commands/Commands.h                 |   14 ++++++++++++++
 src/Gui/timeline/GraphicsEffectItem.cpp |    9 ++++++---
 3 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/src/Commands/Commands.cpp b/src/Commands/Commands.cpp
index adec565..b4fcbdc 100644
--- a/src/Commands/Commands.cpp
+++ b/src/Commands/Commands.cpp
@@ -25,6 +25,7 @@
 #include "Clip.h"
 #include "ClipHelper.h"
 #include "EffectHelper.h"
+#include "EffectInstance.h"
 #include "Commands.h"
 #include "MainWorkflow.h"
 #include "TrackWorkflow.h"
@@ -224,3 +225,25 @@ Commands::Effect::Move::undo()
     else
         m_new->moveEffect( m_helper, m_oldPos );
 }
+
+Commands::Effect::Resize::Resize( EffectHelper *helper, qint64 newBegin, qint64 newEnd ) :
+        m_helper( helper ),
+        m_newBegin( newBegin ),
+        m_newEnd( newEnd )
+{
+    setText( QObject::tr( "Resizing effect %1" ).arg( m_helper->effectInstance()->effect()->name() ) );
+    m_oldBegin = helper->begin();
+    m_oldEnd = helper->end();
+}
+
+void
+Commands::Effect::Resize::redo()
+{
+    m_helper->setBoundaries( m_newBegin, m_newEnd );
+}
+
+void
+Commands::Effect::Resize::undo()
+{
+    m_helper->setBoundaries( m_oldBegin, m_oldEnd );
+}
diff --git a/src/Commands/Commands.h b/src/Commands/Commands.h
index a99437d..e3c56d1 100644
--- a/src/Commands/Commands.h
+++ b/src/Commands/Commands.h
@@ -160,6 +160,20 @@ namespace Commands
                 qint64          m_oldPos;
                 qint64          m_newPos;
         };
+
+        NEW_COMMAND( Resize )
+        {
+            public:
+                Resize( EffectHelper *helper, qint64 newBegin, qint64 newEnd );
+                virtual void        redo();
+                virtual void        undo();
+            private:
+                EffectHelper        *m_helper;
+                qint64              m_newBegin;
+                qint64              m_newEnd;
+                qint64              m_oldBegin;
+                qint64              m_oldEnd;
+        };
     }
 }
 
diff --git a/src/Gui/timeline/GraphicsEffectItem.cpp b/src/Gui/timeline/GraphicsEffectItem.cpp
index 9958a60..00eb064 100644
--- a/src/Gui/timeline/GraphicsEffectItem.cpp
+++ b/src/Gui/timeline/GraphicsEffectItem.cpp
@@ -220,8 +220,11 @@ GraphicsEffectItem::triggerMove( TrackWorkflow *oldTrack, TrackWorkflow *newTrac
 }
 
 void
-GraphicsEffectItem::triggerResize( TrackWorkflow *tw, Workflow::Helper *helper,
-                                   qint64 newBegin, qint64 newEnd, qint64 pos )
+GraphicsEffectItem::triggerResize( TrackWorkflow *, Workflow::Helper *helper,
+                                   qint64 newBegin, qint64 newEnd, qint64 )
 {
-    //FIXME
+    EffectHelper    *eh = qobject_cast<EffectHelper*>( helper );
+    if ( eh == NULL )
+        return ;
+    Commands::trigger( new Commands::Effect::Resize( eh, newBegin, newEnd ) );
 }