* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef PULSEVIEW_PV_VIEW_RULER_H
-#define PULSEVIEW_PV_VIEW_RULER_H
+#ifndef PULSEVIEW_PV_VIEW_RULER_HPP
+#define PULSEVIEW_PV_VIEW_RULER_HPP
#include <memory>
namespace pv {
namespace view {
+class TimeItem;
+class ViewItem;
+
class Ruler : public MarginWidget
{
Q_OBJECT
private:
- static const int RulerHeight;
+
+ /// Height of the ruler in multipes of the text height
+ static const float RulerHeight;
+
static const int MinorTickSubdivision;
- static const int ScaleUnits[3];
- static const int HoverArrowSize;
+ /// Height of the hover arrow in multiples of the text height
+ static const float HoverArrowSize;
public:
Ruler(View &parent);
+public:
+ QSize sizeHint() const;
+
/**
- * Find a tick spacing and number formatting that does not cause
- * the values to collide.
- * @param p A QPainter used to determine the needed space for the values.
- * @param scale A pv::view::View's scale.
- * @param offset A pv::view::View's offset.
- *
- * @return The tick period to use in 'first' and the prefix in 'second'.
+ * The extended area that the header widget would like to be sized to.
+ * @remarks This area is the area specified by sizeHint, extended by
+ * the area to overlap the viewport.
*/
- static std::pair<double, unsigned int> calculate_tick_spacing(
- QPainter& p, double scale, double offset);
+ QSize extended_size_hint() const;
-public:
- QSize sizeHint() const;
+private:
+ /**
+ * Gets the time items.
+ */
+ std::vector< std::shared_ptr<pv::view::ViewItem> > items();
+
+ /**
+ * Gets the first view item which has a label that contains @c pt .
+ * @param pt the point to search with.
+ * @return the view item that has been found, or and empty
+ * @c shared_ptr if no item was found.
+ */
+ std::shared_ptr<pv::view::ViewItem> get_mouse_over_item(
+ const QPoint &pt);
private:
void paintEvent(QPaintEvent *event);
+ void mouseDoubleClickEvent(QMouseEvent *e);
+
private:
/**
* Draw a hover arrow under the cursor position.
+ * @param p The painter to draw into.
+ * @param text_height The height of a single text ascent.
*/
- void draw_hover_mark(QPainter &p);
+ void draw_hover_mark(QPainter &p, int text_height);
+
+ int calculate_text_height() const;
private Q_SLOTS:
void hover_point_changed();
} // namespace view
} // namespace pv
-#endif // PULSEVIEW_PV_VIEW_RULER_H
+#endif // PULSEVIEW_PV_VIEW_RULER_HPP