Ruler: Factored out get_mouse_over_item

[pulseview.git] / pv / view / ruler.hpp

diff --git a/pv/view/ruler.hpp b/pv/view/ruler.hpp
index 073c86c9e600533f66ae3389f99a7e29660ee8ec..7054268d586c4c6d20fd542f1503a0fa564d0925 100644 (file)
--- a/pv/view/ruler.hpp
+++ b/pv/view/ruler.hpp
@@ -28,30 +28,66 @@
 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;
 
 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:
+       std::shared_ptr<pv::view::TimeItem> get_mouse_over_item(
+               const QPoint &pt);
+
 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();