X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Ftrace.h;h=85d137bcbd21cdd50b1c172defc9d6d2a8d2f1d5;hb=b213ef0991a13af0c74ffe5c54382c5c455c5496;hp=4d6b49be0c4a551e5a9b942903c7502f8ecf0aab;hpb=01fd32630269c1cfb99eb2b0d6060d7d19a42475;p=pulseview.git

diff --git a/pv/view/trace.h b/pv/view/trace.h
index 4d6b49b..85d137b 100644
--- a/pv/view/trace.h
+++ b/pv/view/trace.h
@@ -18,11 +18,12 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_PV_TRACE_H
-#define PULSEVIEW_PV_TRACE_H
+#ifndef PULSEVIEW_PV_VIEW_TRACE_H
+#define PULSEVIEW_PV_VIEW_TRACE_H
 
 #include <QColor>
 #include <QPainter>
+#include <QPen>
 #include <QRect>
 #include <QString>
 
@@ -30,6 +31,8 @@
 
 #include "selectableitem.h"
 
+class QFormLayout;
+
 namespace pv {
 
 class SigSession;
@@ -43,6 +46,7 @@ class Trace : public SelectableItem
 	Q_OBJECT
 
 private:
+	static const QPen AxisPen;
 	static const int LabelHitPadding;
 
 protected:
@@ -84,15 +88,31 @@ public:
 	 */
 	virtual bool enabled() const = 0;
 
-	void set_view(pv::view::View *view);
+	virtual void set_view(pv::view::View *view);
+
+	/**
+	 * Paints the background layer of the trace with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 **/
+	virtual void paint_back(QPainter &p, int left, int right);
 
 	/**
-	 * Paints the trace with a QPainter
+	 * Paints the mid-layer of the trace with a QPainter
 	 * @param p the QPainter to paint into.
 	 * @param left the x-coordinate of the left edge of the signal
 	 * @param right the x-coordinate of the right edge of the signal
 	 **/
-	virtual void paint(QPainter &p, int left, int right) = 0;
+	virtual void paint_mid(QPainter &p, int left, int right);
+
+	/**
+	 * Paints the foreground layer of the trace with a QPainter
+	 * @param p the QPainter to paint into.
+	 * @param left the x-coordinate of the left edge of the signal
+	 * @param right the x-coordinate of the right edge of the signal
+	 **/
+	virtual void paint_fore(QPainter &p, int left, int right);
 
 	/**
 	 * Paints the signal label into a QGLWidget.
@@ -113,6 +133,37 @@ public:
 	 */
 	bool pt_in_label_rect(int left, int right, const QPoint &point);
 
+	virtual QMenu* create_context_menu(QWidget *parent);
+
+	pv::widgets::Popup* create_popup(QWidget *parent);
+
+	/**
+	 * Gets the y-offset of the axis.
+	 */
+	int get_y() const;
+
+protected:
+	/**
+	 * Gets the text colour.
+	 * @remarks This colour is computed by comparing the lightness
+	 * of the trace colour against a threshold to determine whether
+	 * white or black would be more visible.
+	 */
+	QColor get_text_colour() const;
+
+	/**
+	 * Paints a zero axis across the viewport.
+	 * @param p the QPainter to paint into.
+	 * @param y the y-offset of the axis.
+	 * @param left the x-coordinate of the left edge of the view.
+	 * @param right the x-coordinate of the right edge of the view.
+	 */
+	void paint_axis(QPainter &p, int y, int left, int right);
+
+	void add_colour_option(QWidget *parent, QFormLayout *form);
+
+	virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
+
 private:
 
 	/**
@@ -129,8 +180,15 @@ private:
 	 */
 	QRectF get_label_rect(int right);
 
+private slots:
+	void on_text_changed(const QString &text);
+
+	void on_colour_changed(const QColor &colour);
+
 signals:
+	void visibility_changed();
 	void text_changed();	
+	void colour_changed();
 
 protected:
 	pv::SigSession &_session;
@@ -146,4 +204,4 @@ protected:
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_TRACEL_H
+#endif // PULSEVIEW_PV_VIEW_TRACE_H