+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_VIEW_DECODETRACE_H
+#define PULSEVIEW_PV_VIEW_DECODETRACE_H
+
+#include "trace.hpp"
+
+#include <list>
+#include <map>
+#include <memory>
+
+#include <QSignalMapper>
+
+#include <pv/prop/binding/decoderoptions.hpp>
+#include <pv/data/decode/row.hpp>
+
+struct srd_channel;
+struct srd_decoder;
+
+class QComboBox;
+
+namespace pv {
+
+class SigSession;
+
+namespace data {
+class DecoderStack;
+
+namespace decode {
+class Annotation;
+class Decoder;
+class Row;
+}
+}
+
+namespace widgets {
+class DecoderGroupBox;
+}
+
+namespace view {
+
+class DecodeTrace : public Trace
+{
+ Q_OBJECT
+
+private:
+ struct ChannelSelector
+ {
+ const QComboBox *combo_;
+ const std::shared_ptr<pv::data::decode::Decoder> decoder_;
+ const srd_channel *pdch_;
+ };
+
+private:
+ static const QColor DecodeColours[4];
+ static const QColor ErrorBgColour;
+ static const QColor NoDecodeColour;
+
+ static const int ArrowSize;
+ static const double EndCapWidth;
+ static const int DrawPadding;
+
+ static const QColor Colours[16];
+ static const QColor OutlineColours[16];
+
+public:
+ DecodeTrace(pv::SigSession &session,
+ std::shared_ptr<pv::data::DecoderStack> decoder_stack,
+ int index);
+
+ bool enabled() const;
+
+ const std::shared_ptr<pv::data::DecoderStack>& decoder() const;
+
+ /**
+ * 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;
+
+ /**
+ * 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.
+ **/
+ 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
+ **/
+ 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
+ **/
+ void paint_fore(QPainter &p, int left, int right);
+
+ void populate_popup_form(QWidget *parent, QFormLayout *form);
+
+ QMenu* create_context_menu(QWidget *parent);
+
+ void delete_pressed();
+
+private:
+ void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
+ QColor text_colour, int text_height, int left, int right, int y,
+ size_t base_colour) const;
+
+ void draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
+ QColor fill, QColor outline, QColor text_color, int h, double x,
+ int y) const;
+
+ void draw_range(const pv::data::decode::Annotation &a, QPainter &p,
+ QColor fill, QColor outline, QColor text_color, int h, double start,
+ double end, int y) const;
+
+ void draw_error(QPainter &p, const QString &message,
+ int left, int right);
+
+ void draw_unresolved_period(QPainter &p, int h, int left,
+ int right) const;
+
+ std::pair<double, double> get_pixels_offset_samples_per_pixel() const;
+
+ /**
+ * Determines the start and end sample for a given pixel range.
+ * @param x_start the X coordinate of the start sample in the view
+ * @param x_end the X coordinate of the end sample in the view
+ * @return Returns a pair containing the start sample and the end
+ * sample that correspond to the start and end coordinates.
+ */
+ std::pair<uint64_t, uint64_t> get_sample_range(int x_start, int x_end) const;
+
+ int get_row_at_point(const QPoint &point);
+
+ const QString get_annotation_at_point(const QPoint &point);
+
+ void hide_hover_annotation();
+
+ void create_decoder_form(int index,
+ std::shared_ptr<pv::data::decode::Decoder> &dec,
+ QWidget *parent, QFormLayout *form);
+
+ QComboBox* create_channel_selector(QWidget *parent,
+ const std::shared_ptr<pv::data::decode::Decoder> &dec,
+ const srd_channel *const pdch);
+
+ void commit_decoder_channels(
+ std::shared_ptr<data::decode::Decoder> &dec);
+
+ void commit_channels();
+
+public:
+ void hover_point_changed();
+
+private Q_SLOTS:
+ void on_new_decode_data();
+
+ void on_delete();
+
+ void on_channel_selected(int);
+
+ void on_stack_decoder(srd_decoder *decoder);
+
+ void on_delete_decoder(int index);
+
+ void on_show_hide_decoder(int index);
+
+private:
+ pv::SigSession &session_;
+ std::shared_ptr<pv::data::DecoderStack> decoder_stack_;
+
+ uint64_t decode_start_, decode_end_;
+
+ std::list< std::shared_ptr<pv::prop::binding::DecoderOptions> >
+ bindings_;
+
+ std::list<ChannelSelector> channel_selectors_;
+ std::vector<pv::widgets::DecoderGroupBox*> decoder_forms_;
+
+ std::vector<data::decode::Row> visible_rows_;
+ int text_height_, row_height_;
+
+ QSignalMapper delete_mapper_, show_hide_mapper_;
+};
+
+} // namespace view
+} // namespace pv
+
+#endif // PULSEVIEW_PV_VIEW_DECODETRACE_H