diff options
| author |  Dirk Hohndel <dirk@hohndel.org> | 2014-01-25 07:25:03 -0800 |
|---|---|---|
| committer | Dirk Hohndel <dirk@hohndel.org> | 2014-01-25 07:25:03 -0800 |
| commit | f4a2ce101729ff9178c90adbaf6777e3b2cafa7b (patch) | |
| tree | 8c437e9c815d48d96975de6878c4ca054094716a /qt-ui | |
| parent | c4c7d85fb5b810ad46ec179c25e54ea609b77a02 (diff) | |
| download | subsurface-f4a2ce101729ff9178c90adbaf6777e3b2cafa7b.tar.gz | |
Fix potential crash at startup
Strangely enough, on the system I build this, I don't see the crash. But
when I create a DMG and run it on a different Mac, it crashes if
updateTicks() is called but scene() still returns 0.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Diffstat (limited to 'qt-ui')
| -rw-r--r-- | qt-ui/profile/divecartesianaxis.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/qt-ui/profile/divecartesianaxis.cpp b/qt-ui/profile/divecartesianaxis.cpp index 8a1b1890d..feeaf12b8 100644 --- a/qt-ui/profile/divecartesianaxis.cpp +++ b/qt-ui/profile/divecartesianaxis.cpp @@ -56,6 +56,8 @@ QColor DiveCartesianAxis::colorForValue(double value) void DiveCartesianAxis::updateTicks() { + if (!scene()) + return; QLineF m = line(); // unused so far: // QGraphicsView *view = scene()->views().first(); @@ -124,7 +126,6 @@ void DiveCartesianAxis::updateTicks() } labels.push_back(label); if (orientation == RightToLeft || orientation == LeftToRight) { - if(showText){ label->setAlignment(Qt::AlignBottom | Qt::AlignHCenter); label->setPos(scene()->sceneRect().width() + 10, m.y1() + tickSize); // position it outside of the scene); |