X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.hpp;h=47a9980c0ff9dc8272aad16b391f96a8e361799d;hp=c048371eeadd1973149017bd7f21f06abf79a1a7;hb=03cc651d78a85308107e0ef3e5e514503d7c723c;hpb=3eb29afdb641606c2e2e059289d8cc103d027a25 diff --git a/pv/view/analogsignal.hpp b/pv/view/analogsignal.hpp index c048371e..47a9980c 100644 --- a/pv/view/analogsignal.hpp +++ b/pv/view/analogsignal.hpp @@ -18,80 +18,135 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H -#define PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H +#ifndef PULSEVIEW_PV_VIEW_ANALOGSIGNAL_HPP +#define PULSEVIEW_PV_VIEW_ANALOGSIGNAL_HPP #include "signal.hpp" #include +#include + namespace pv { namespace data { class Analog; -class AnalogSnapshot; +class AnalogSegment; } namespace view { 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 channel, std::shared_ptr data); - virtual ~AnalogSignal(); + virtual ~AnalogSignal() = default; std::shared_ptr data() const; std::shared_ptr analog_data() const; - void set_scale(float scale); - /** * Computes the vertical extents of the contents of this row item. * @return A pair containing the minimum and maximum y-values. */ std::pair v_extents() const; + /** + * Returns the offset to show the drag handle. + */ + int scale_handle_offset() const; + + /** + * Handles the scale handle being dragged to an offset. + * @param offset the offset the scale handle was dragged to. + */ + void scale_handle_dragged(int offset); + + /** + * @copydoc pv::view::Signal::signal_scale_handle_drag_release() + */ + void scale_handle_drag_release(); + /** * Paints the background layer of the signal with a QPainter * @param p the QPainter to paint into. * @param pp the painting parameters object to paint with.. - **/ - void paint_back(QPainter &p, const RowItemPaintParams &pp); + */ + void paint_back(QPainter &p, const ViewItemPaintParams &pp); /** * Paints the mid-layer of the signal with a QPainter * @param p the QPainter to paint into. * @param pp the painting parameters object to paint with.. - **/ - void paint_mid(QPainter &p, const RowItemPaintParams &pp); + */ + 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 &snapshot, + const std::shared_ptr &segment, int y, int left, const int64_t start, const int64_t end, const double pixels_offset, const double samples_per_pixel); void paint_envelope(QPainter &p, - const std::shared_ptr &snapshot, + const std::shared_ptr &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 and vdiv settings. + */ + 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 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 } // namespace pv -#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H +#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_HPP