X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Ftrace.h;h=462e8094048830439690f8214b68857711e53a04;hp=ffd87fa45524feae6e5d2cade3d3ef86cdb368da;hb=68456dab5d519d886cf632cecc01373cc258d83c;hpb=e0fc58100fbcd6c3bfd5aecb213d7541a3436622 diff --git a/pv/view/trace.h b/pv/view/trace.h index ffd87fa4..462e8094 100644 --- a/pv/view/trace.h +++ b/pv/view/trace.h @@ -23,6 +23,7 @@ #include #include +#include #include #include @@ -43,6 +44,7 @@ class Trace : public SelectableItem Q_OBJECT private: + static const QPen AxisPen; static const int LabelHitPadding; protected: @@ -87,12 +89,28 @@ public: virtual void set_view(pv::view::View *view); /** - * Paints the trace with a QPainter + * 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(QPainter &p, int left, int right) = 0; + virtual void paint_back(QPainter &p, int left, int right); + + /** + * 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_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 +131,35 @@ 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); + + virtual void populate_popup_form(QWidget *parent, QFormLayout *form); + private: /** @@ -129,6 +176,13 @@ private: */ QRectF get_label_rect(int right); +private slots: + void on_action_set_name_triggered(); + + void on_action_set_colour_triggered(); + + void on_text_changed(const QString &text); + signals: void text_changed();