#include <memory>
+#include <QComboBox>
+
namespace pv {
namespace data {
class AnalogSignal : public Signal
{
+ Q_OBJECT
+
private:
- static const int NominalHeight;
static const QColor SignalColours[4];
+ static const QColor GridMajorColor, GridMinorColor;
static const float EnvelopeThreshold;
+ static const int MaximumVDivs;
+ static const int MaxScaleIndex, MinScaleIndex;
+ static const int InfoTextMarginRight, InfoTextMarginBottom;
+
public:
AnalogSignal(pv::Session &session,
std::shared_ptr<sigrok::Channel> channel,
std::shared_ptr<pv::data::Analog> data);
- virtual ~AnalogSignal();
+ virtual ~AnalogSignal() = default;
std::shared_ptr<pv::data::SignalData> data() const;
*/
void paint_mid(QPainter &p, const ViewItemPaintParams &pp);
+ /**
+ * Paints the foreground layer of the item with a QPainter
+ * @param p the QPainter to paint into.
+ * @param pp the painting parameters object to paint with.
+ */
+ void paint_fore(QPainter &p, const ViewItemPaintParams &pp);
+
private:
+ void paint_grid(QPainter &p, int y, int left, int right);
+
void paint_trace(QPainter &p,
const std::shared_ptr<pv::data::AnalogSegment> &segment,
int y, int left, const int64_t start, const int64_t end,
const double pixels_offset, const double samples_per_pixel);
/**
- * Computes the scale factor from the scale index.
+ * Computes the scale factor from the scale index and vdiv settings.
*/
- float scale() const;
+ float get_resolution(int scale_index);
+
+ void update_scale();
+
+protected:
+ void populate_popup_form(QWidget *parent, QFormLayout *form);
+
+private Q_SLOTS:
+ void on_vdivs_changed(int vdivs);
+
+ void on_resolution_changed(int index);
private:
std::shared_ptr<pv::data::Analog> data_;
+ QComboBox *resolution_cb_;
+
+ float scale_;
int scale_index_;
int scale_index_drag_offset_;
+
+ int div_height_;
+ int vdivs_; // divs per positive/negative side
+ float resolution_; // e.g. 10 for 10 V/div
};
} // namespace view