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Crash fixed on clicking on the canvas while no dive is loaded.

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Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
This commit is contained in:
Tomaz Canabrava 2013-05-10 15:52:06 -03:00
parent 3e22e388e9
commit ad8f96cd6e
1 changed files with 7 additions and 1 deletions
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8
qt-ui/profilegraphics.cpp
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@ -114,7 +114,7 @@ extern struct ev_select *ev_namelist;
extern int evn_allocated; extern int evn_allocated;
extern int evn_used; extern int evn_used;
ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent) , dive(0) ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent) , dive(0), toolTip(0)
{ {
gc.printer = false; gc.printer = false;
setScene(new QGraphicsScene()); setScene(new QGraphicsScene());
@ -139,6 +139,9 @@ ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent
void ProfileGraphicsView::wheelEvent(QWheelEvent* event) void ProfileGraphicsView::wheelEvent(QWheelEvent* event)
{ {
if (!toolTip)
return;
setTransformationAnchor(QGraphicsView::AnchorUnderMouse); setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
// Scale the view / do the zoom // Scale the view / do the zoom
@ -157,6 +160,9 @@ void ProfileGraphicsView::wheelEvent(QWheelEvent* event)
void ProfileGraphicsView::mouseMoveEvent(QMouseEvent* event) void ProfileGraphicsView::mouseMoveEvent(QMouseEvent* event)
{ {
if (!toolTip)
return;
toolTip->refresh(&gc, mapToScene(event->pos())); toolTip->refresh(&gc, mapToScene(event->pos()));
QPoint toolTipPos = mapFromScene(toolTip->pos()); QPoint toolTipPos = mapFromScene(toolTip->pos());