X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Ftrace.h;h=bae5d253619e783f0553f8365fa187dcd75affe3;hb=a28a212c7a9a3470e300911fe8aa62833a62d26a;hp=61433e9c31388afb7cfe0ae2310ae76d0e97add1;hpb=931f20b0dbd480153611493f51fee68f9d29be74;p=pulseview.git diff --git a/pv/view/trace.h b/pv/view/trace.h index 61433e9c..bae5d253 100644 --- a/pv/view/trace.h +++ b/pv/view/trace.h @@ -23,6 +23,7 @@ #include #include +#include #include #include @@ -36,11 +37,14 @@ class SigSession; namespace view { +class View; + class Trace : public SelectableItem { Q_OBJECT private: + static const QPen AxisPen; static const int LabelHitPadding; protected: @@ -82,41 +86,79 @@ 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); + + 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: @@ -128,18 +170,23 @@ private: /** * 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); + +private slots: + void on_action_set_name_triggered(); + + void on_action_set_colour_triggered(); signals: void text_changed(); protected: pv::SigSession &_session; + pv::view::View *_view; QString _name; QColor _colour;