diff options
| author | Jedidiah Barber <contact@jedbarber.id.au> | 2021-07-14 11:49:10 +1200 |
|---|---|---|
| committer | Jedidiah Barber <contact@jedbarber.id.au> | 2021-07-14 11:49:10 +1200 |
| commit | d24f813f3f2a05c112e803e4256b53535895fc98 (patch) | |
| tree | 601e6ae9a1cd44bcfdcf91739a5ca36aedd827c9 /src/charts/ChartMarker.cpp | |
Diffstat (limited to 'src/charts/ChartMarker.cpp')
| -rw-r--r-- | src/charts/ChartMarker.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/charts/ChartMarker.cpp b/src/charts/ChartMarker.cpp new file mode 100644 index 0000000..7fdd8cd --- /dev/null +++ b/src/charts/ChartMarker.cpp @@ -0,0 +1,50 @@ +#include "ChartMarker.h"
+#include "ChartToolTip.h"
+
+const QPointF ChartMarker::ToolTipOffset(45, -35);
+const QColor ChartMarker::Color(Qt::blue);
+
+ChartMarker::ChartMarker(const QPointF& center, const QString& toolTipText):
+ radius(Radius), toolTip(NULL), toolTipText(toolTipText)
+{
+ setPos(center);
+ setRect(QRectF(-HoverRadius, -HoverRadius,
+ 2 * HoverRadius, 2 * HoverRadius));
+ setAcceptHoverEvents(true);
+}
+
+ChartMarker::~ChartMarker()
+{
+ delete toolTip;
+}
+
+void ChartMarker::hoverEnterEvent(QGraphicsSceneHoverEvent*)
+{
+ radius = HighlightedRadius;
+ update();
+ if(!toolTip)
+ createToolTip();
+ toolTip->show();
+}
+
+void ChartMarker::createToolTip()
+{
+ toolTip = new ChartToolTip(mapToScene(ToolTipOffset), toolTipText);
+ scene()->addItem(toolTip);
+ toolTip->adjustPos();
+}
+
+void ChartMarker::hoverLeaveEvent(QGraphicsSceneHoverEvent*)
+{
+ radius = Radius;
+ update();
+ toolTip->hide();
+}
+
+void ChartMarker::paint(QPainter* painter, const QStyleOptionGraphicsItem*,
+ QWidget*)
+{
+ painter->setPen(Color);
+ painter->setBrush(Color);
+ painter->drawEllipse(QPointF(), radius, radius);
+}
|