Fix jumping to end of output if new output appears while keyboard scrolling...

Fix jumping to end of output if new output appears while keyboard scrolling keys are being used.  BUG:148505

svn path=/trunk/KDE/kdebase/apps/konsole/; revision=696958

src/TerminalDisplay.cpp

@@ -2257,6 +2257,9 @@ void TerminalDisplay::pasteSelection()
 
 void TerminalDisplay::keyPressEvent( QKeyEvent* event )
 {
+    bool emitKeyPressSignal = true;
+
+    // XonXoff flow control
     if (event->modifiers() & Qt::ControlModifier)
 	{
 		if ( event->key() == Qt::Key_S )
@@ -2265,6 +2268,7 @@ void TerminalDisplay::keyPressEvent( QKeyEvent* event )
 				emit flowControlKeyPressed(false /*output enabled*/);
 	}
 
+    // Keyboard-based navigation
     if ( event->modifiers() == Qt::ShiftModifier )
     {
         bool update = true;
@@ -2294,6 +2298,9 @@ void TerminalDisplay::keyPressEvent( QKeyEvent* event )
             
             updateLineProperties();
             updateImage();
+
+            // do not send key press to terminal
+            emitKeyPressSignal = false;
         }
     }
 
@@ -2309,6 +2316,7 @@ void TerminalDisplay::keyPressEvent( QKeyEvent* event )
         _cursorBlinking = false;
     }
 
+    if ( emitKeyPressSignal )
         emit keyPressedSignal(event);
 
     event->accept();