[FEATURE] Allow panning compositions by dragging with middle mouse button

nyalldawson · nyalldawson · commit eb0c794eb2ca · 2013-10-10T21:08:34.000+11:00
diff --git a/src/gui/qgscomposerview.cpp b/src/gui/qgscomposerview.cpp
@@ -105,6 +105,19 @@ void QgsComposerView::mousePressEvent( QMouseEvent* e )
     }
     return;
   }
+  else if ( e->button() == Qt::MidButton )
+  {
+    //pan composer with middle button
+    mPanning = true;
+    mMouseLastXY = e->pos();
+    if ( composition() )
+    {
+      //lock cursor to closed hand cursor
+      composition()->setPreventCursorChange( true );
+    }
+    viewport()->setCursor( Qt::ClosedHandCursor );
+    return;
+  }
 
   switch ( mCurrentTool )
   {

Original file line number	Diff line number	Diff line change
`@@ -105,6 +105,19 @@ void QgsComposerView::mousePressEvent( QMouseEvent* e )`
`105`	`105`	`}`
`106`	`106`	`return;`
`107`	`107`	`}`
	`108`	`+ else if ( e->button() == Qt::MidButton )`
	`109`	`+ {`
	`110`	`+ //pan composer with middle button`
	`111`	`+ mPanning = true;`
	`112`	`+ mMouseLastXY = e->pos();`
	`113`	`+ if ( composition() )`
	`114`	`+ {`
	`115`	`+ //lock cursor to closed hand cursor`
	`116`	`+ composition()->setPreventCursorChange( true );`
	`117`	`+ }`
	`118`	`+ viewport()->setCursor( Qt::ClosedHandCursor );`
	`119`	`+ return;`
	`120`	`+ }`
`108`	`121`
`109`	`122`	`switch ( mCurrentTool )`
`110`	`123`	`{`