X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.hpp;h=47a9980c0ff9dc8272aad16b391f96a8e361799d;hp=10cbab531810ad7d376da34d500d5276fd7576f8;hb=e40a79cb13eef1ca4f8e7670ac4a36e56b26a23c;hpb=5b5fa4da3b7112414b9f51e6626ae7f4bf606f02

diff --git a/pv/view/analogsignal.hpp b/pv/view/analogsignal.hpp
index 10cbab53..47a9980c 100644
--- a/pv/view/analogsignal.hpp
+++ b/pv/view/analogsignal.hpp
@@ -18,13 +18,15 @@
  * 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 <memory>
 
+#include <QComboBox>
+
 namespace pv {
 
 namespace data {
@@ -36,46 +38,75 @@ 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<sigrok::Channel> channel,
 		std::shared_ptr<pv::data::Analog> data);
 
-	virtual ~AnalogSignal();
+	virtual ~AnalogSignal() = default;
 
 	std::shared_ptr<pv::data::SignalData> data() const;
 
 	std::shared_ptr<pv::data::Analog> 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<int, int> 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 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 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,
@@ -86,12 +117,36 @@ private:
 		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<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
 } // namespace pv
 
-#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H
+#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_HPP