namespace pv {
namespace view {
+class TimeItem;
+
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 HoverArrowSize;
+ /// Height of the hover arrow in multiples of the text height
+ static const float HoverArrowSize;
+
+ static const int Padding;
public:
Ruler(View &parent);
+public:
+ void clear_selection();
+
public:
QSize sizeHint() const;
+ /**
+ * 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.
+ */
+ QSize extended_size_hint() const;
+
private:
void paintEvent(QPaintEvent *event);
+ void mouseMoveEvent(QMouseEvent *e);
+ void mousePressEvent(QMouseEvent *e);
+ void mouseReleaseEvent(QMouseEvent *);
+ void leaveEvent(QEvent*);
+
+ void mouseDoubleClickEvent(QMouseEvent *e);
+
+ void keyPressEvent(QKeyEvent *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:
+ std::shared_ptr<TimeItem> mouse_down_item_;
private Q_SLOTS:
void hover_point_changed();