X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fruler.hpp;h=864d611dda4607479d6bbc2f55394d5fab6d0071;hp=073c86c9e600533f66ae3389f99a7e29660ee8ec;hb=415341a11f0023cc9cec7b62cf8058c84c8b7ea6;hpb=361c560ed9ef67278916e086ed0b0649ae01b583

diff --git a/pv/view/ruler.hpp b/pv/view/ruler.hpp
index 073c86c9..864d611d 100644
--- a/pv/view/ruler.hpp
+++ b/pv/view/ruler.hpp
@@ -28,30 +28,70 @@
 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;
+
+	/**
+	 * The vertical offset, relative to the bottom line of the widget,
+	 * where the arrows of the cursor labels end.
+	 */
+	static const int BaselineOffset;
 
 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();