Mercurial > hg > easyhg
diff panner.cpp @ 53:3c46b2ac45d3
* Put proper labels &c in changeset items; colour branches and users; etc
author | Chris Cannam |
---|---|
date | Fri, 12 Nov 2010 16:48:18 +0000 |
parents | 996b3c4037ef |
children | 0e5fba6750c2 |
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--- a/panner.cpp Fri Nov 12 11:32:01 2010 +0000 +++ b/panner.cpp Fri Nov 12 16:48:18 2010 +0000 @@ -39,6 +39,7 @@ setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); setOptimizationFlags(QGraphicsView::DontSavePainterState | QGraphicsView::IndirectPainting); + setRenderHints(QPainter::Antialiasing); setMouseTracking(true); setInteractive(false); } @@ -65,6 +66,12 @@ connect(this, SIGNAL(pannedRectChanged(QRectF)), p, SLOT(slotSetPannedRect(QRectF))); + + connect(this, SIGNAL(zoomIn()), + p, SLOT(zoomIn())); + + connect(this, SIGNAL(zoomOut()), + p, SLOT(zoomOut())); } void @@ -210,10 +217,17 @@ 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; + } } }