[Style Dock] Add undo/redo button at the bottom

NathanW2 · NathanW2 · commit 0d399647be96 · 2016-05-10T14:10:48.000+10:00
diff --git a/src/app/qgsmapstylingwidget.cpp b/src/app/qgsmapstylingwidget.cpp
@@ -50,7 +50,17 @@ QgsMapStylingWidget::QgsMapStylingWidget( QgsMapCanvas* canvas, QWidget *parent
   mLiveApplyCheck = new QCheckBox( "Live update" );
   mLiveApplyCheck->setChecked( true );
 
+  mUndoButton = new QToolButton( this );
+  mUndoButton->setIcon( QgsApplication::getThemeIcon( "mActionUndo.png" ) );
+  mRedoButton = new QToolButton( this );
+  mRedoButton->setIcon( QgsApplication::getThemeIcon( "mActionRedo.png" ) );
+
+  connect( mUndoButton, SIGNAL( pressed() ), mUndoWidget, SLOT( undo() ) );
+  connect( mRedoButton, SIGNAL( pressed() ), mUndoWidget, SLOT( redo() ) );
+
   QHBoxLayout* bottomLayout = new QHBoxLayout( );
+  bottomLayout->addWidget( mUndoButton );
+  bottomLayout->addWidget( mRedoButton );
   bottomLayout->addWidget( mButtonBox );
   bottomLayout->addWidget( mLiveApplyCheck );
   layout->addLayout( bottomLayout );
diff --git a/src/app/qgsmapstylingwidget.h b/src/app/qgsmapstylingwidget.h
@@ -1,6 +1,7 @@
 #ifndef QGSMAPSTYLESDOCK_H
 #define QGSMAPSTYLESDOCK_H
 
+#include <QToolButton>
 #include <QWidget>
 #include <QLabel>
 #include <QTabWidget>
@@ -67,7 +68,8 @@ class APP_EXPORT QgsMapStylingWidget : public QWidget
     QgsRendererV2PropertiesDialog* mVectorStyleWidget;
     QDialogButtonBox* mButtonBox;
     QCheckBox* mLiveApplyCheck;
-
+    QToolButton* mUndoButton;
+    QToolButton* mRedoButton;
 };
 
 #endif // QGSMAPSTYLESDOCK_H
