comparison panner.cpp @ 53:3c46b2ac45d3

* Put proper labels &c in changeset items; colour branches and users; etc

 //    setViewport(new QGLWidget());
     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setOptimizationFlags(QGraphicsView::DontSavePainterState |
                          QGraphicsView::IndirectPainting);
+    setRenderHints(QPainter::Antialiasing);
     setMouseTracking(true);
     setInteractive(false);
 }
 
 void

     connect(p, SIGNAL(pannedRectChanged(QRectF)),
             this, SLOT(slotSetPannedRect(QRectF)));
 
     connect(this, SIGNAL(pannedRectChanged(QRectF)),
             p, SLOT(slotSetPannedRect(QRectF)));
+
+    connect(this, SIGNAL(zoomIn()),
+            p, SLOT(zoomIn()));
+
+    connect(this, SIGNAL(zoomOut()),
+            p, SLOT(zoomOut()));
 }
 
 void
 Panner::slotSetPannedRect(QRectF rect) 
 {

 }
 
 void
 Panner::wheelEvent(QWheelEvent *e)
 {
-    if (e->delta() > 0) {
-        emit zoomOut();
+    int d = e->delta();
+    if (d > 0) {
+        while (d > 0) {
+            emit zoomOut();
+            d -= 120;
+        }
     } else {
-        emit zoomIn();
+        while (d < 0) {
+            emit zoomIn();
+            d += 120;
+        }
     }
 }
 
 void
 Panner::moveTo(QPoint p)