Kate Part: Ctrl+Mouse Scroll to change font size

As seen in most applications out there. ;-)

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>

Fixed functionality of CTRL+Mouse Wheel when scrolling is not enabled.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

kate/part/kateviewinternal.cpp

@@ -3263,27 +3263,44 @@ void KateViewInternal::clear()
 
 void KateViewInternal::wheelEvent(TQWheelEvent* e)
 {
-  if (m_lineScroll->minValue() != m_lineScroll->maxValue() && e->orientation() != Qt::Horizontal) {
+	if (e->state() & ControlButton)
-    // React to this as a vertical event
+	{
-    if ( ( e->state() & ControlButton ) || ( e->state() & ShiftButton ) ) {
+		if (e->delta() > 0)
-      if (e->delta() > 0)
+		{
-        scrollPrevPage();
+			slotIncFontSizes();
-      else
+		}
-        scrollNextPage();
+		else
-    } else {
+		{
-      scrollViewLines(-((e->delta() / 120) * TQApplication::wheelScrollLines()));
+			slotDecFontSizes();
-      // maybe a menu was opened or a bubbled window title is on us -> we shall erase it
+		}
-      update();
+	}
-      leftBorder->update();
+	else
-    }
+	{
-
+		if (m_lineScroll->minValue() != m_lineScroll->maxValue() && e->orientation() != Qt::Horizontal)
-  } else if (columnScrollingPossible()) {
+		{
-    TQWheelEvent copy = *e;
+			// React to this as a vertical event
-    TQApplication::sendEvent(m_columnScroll, &copy);
+			if ( e->state() & ShiftButton )
-
+			{
-  } else {
+				if (e->delta() > 0)
-    e->ignore();
+					scrollPrevPage();
-  }
+				else
+					scrollNextPage();
+			}
+			else
+			{
+				scrollViewLines(-((e->delta() / 120) * TQApplication::wheelScrollLines()));
+				// maybe a menu was opened or a bubbled window title is on us -> we shall erase it
+				update();
+				leftBorder->update();
+			}
+		} else if (columnScrollingPossible()) {
+			TQWheelEvent copy = *e;
+			TQApplication::sendEvent(m_columnScroll, &copy);
+
+		} else {
+			e->ignore();
+		}
+	}
 }
 
 void KateViewInternal::startDragScroll()