* 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>
#include "selectableitem.h"
-namespace pv {
-
-class SigSession;
+class QFormLayout;
+namespace pv {
namespace view {
+class View;
+
class Trace : public SelectableItem
{
Q_OBJECT
private:
+ static const QPen AxisPen;
static const int LabelHitPadding;
protected:
- Trace(SigSession &session, QString name);
+ Trace(QString name);
public:
/**
*/
virtual bool enabled() const = 0;
+ 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 y the y-coordinate to draw the signal at
* @param left the x-coordinate of the left edge of the signal
* @param right the x-coordinate of the right edge of the signal
- * @param scale the scale in seconds per pixel.
- * @param offset the time to show at the left hand edge of
- * the view in seconds.
**/
- virtual void paint(QPainter &p, int y, int left, int right,
- double scale, double offset) = 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.
* @param p the QPainter to paint into.
- * @param y the y-coordinate of the signal.
* @param right the x-coordinate of the right edge of the header
* area.
* @param hover true if the label is being hovered over by the mouse.
*/
- virtual void paint_label(QPainter &p, int y, int right,
- bool hover);
+ virtual void paint_label(QPainter &p, int right, bool hover);
/**
* Determines if a point is in the header label rect.
- * @param y the y-coordinate of the signal.
* @param left the x-coordinate of the left edge of the header
* area.
* @param right the x-coordinate of the right edge of the header
* area.
* @param point the point to test.
*/
- bool pt_in_label_rect(int y, int left, int right,
- const QPoint &point);
+ bool pt_in_label_rect(int left, int right, const QPoint &point);
-private:
+ virtual QMenu* create_context_menu(QWidget *parent);
+
+ pv::widgets::Popup* create_popup(QWidget *parent);
/**
- * Computes an caches the size of the label text.
+ * Gets the y-offset of the axis.
*/
- void compute_text_size(QPainter &p);
+ int get_y() const;
/**
* Computes the outline rectangle of a label.
* @param p the QPainter to lay out text with.
- * @param y the y-coordinate of the signal.
* @param right the x-coordinate of the right edge of the header
* area.
* @return Returns the rectangle of the signal label.
*/
- QRectF get_label_rect(int y, int right);
+ QRectF get_label_rect(int right);
+
+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);
+
+ void create_popup_form();
+
+ virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
+
+ void close_popup();
-signals:
+private Q_SLOTS:
+ void on_text_changed(const QString &text);
+
+ void on_colour_changed(const QColor &colour);
+
+ void on_popup_closed();
+
+Q_SIGNALS:
+ void visibility_changed();
void text_changed();
+ void colour_changed();
protected:
- pv::SigSession &_session;
+ pv::view::View *_view;
QString _name;
QColor _colour;
int _v_offset;
- QSizeF _text_size;
+private:
+ pv::widgets::Popup *_popup;
+ QFormLayout *_popup_form;
};
} // namespace view
} // namespace pv
-#endif // PULSEVIEW_PV_TRACEL_H
+#endif // PULSEVIEW_PV_VIEW_TRACE_H