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Fix a crash on changing dives when the ruler is used.

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The ruler is a weird beast - it has two child objects that access the
parent to call another function, that call the child functions.

When I updated the plot_info I didn't take that into consideration, what
happened is that when I set the parent's plot_info, the children's
plot_info are still invalid, but the update method is called anyhow.

This patch updates all plot_info's before calling anything else.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2014-03-07 12:08:31 -03:00 • committed by Dirk Hohndel
parent 8034106219
commit 6dec4b0556
3 changed files with 18 additions and 10 deletions
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20
qt-ui/profile/ruleritem.cpp
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@ -13,8 +13,9 @@
#include "profile.h"
#include "display.h"
RulerNodeItem2::RulerNodeItem2(struct plot_info &info) : pInfo(info), entry(NULL), ruler(NULL)
RulerNodeItem2::RulerNodeItem2() : entry(NULL), ruler(NULL)
{
memset(&pInfo, 0, sizeof(pInfo));
setRect(QRect(QPoint(-8, 8), QPoint(8, -8)));
setBrush(QColor(0xff, 0, 0, 127));
setPen(QColor("#FF0000"));
@ -23,6 +24,12 @@ RulerNodeItem2::RulerNodeItem2(struct plot_info &info) : pInfo(info), entry(NULL
setFlag(ItemIgnoresTransformations);
}
void RulerNodeItem2::setPlotInfo(plot_info& info)
{
pInfo = info;
entry = pInfo.entry;
}
void RulerNodeItem2::setRuler(RulerItem2 *r)
{
ruler = r;
@ -54,17 +61,14 @@ QVariant RulerNodeItem2::itemChange(GraphicsItemChange change, const QVariant &v
recalculate();
if (ruler != NULL)
ruler->recalculate();
if (scene()) {
scene()->update();
}
}
return QGraphicsEllipseItem::itemChange(change, value);
}
RulerItem2::RulerItem2() : timeAxis(NULL),
depthAxis(NULL),
source(new RulerNodeItem2(pInfo)),
dest(new RulerNodeItem2(pInfo)),
source(new RulerNodeItem2()),
dest(new RulerNodeItem2()),
textItem(new QGraphicsSimpleTextItem(this))
{
memset(&pInfo, 0, sizeof(pInfo));
@ -157,9 +161,11 @@ QPainterPath RulerItem2::shape() const
void RulerItem2::setPlotInfo(plot_info info)
{
pInfo = info;
recalculate();
dest->setPlotInfo(info);
source->setPlotInfo(info);
dest->recalculate();
source->recalculate();
recalculate();
}
void RulerItem2::setAxis(DiveCartesianAxis *time, DiveCartesianAxis *depth)