2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_VIEWS_TRACE_LOGICSIGNAL_HPP
21 #define PULSEVIEW_PV_VIEWS_TRACE_LOGICSIGNAL_HPP
33 using std::shared_ptr;
40 class TriggerMatchType;
56 class LogicSignal : public Signal
61 static const float Oversampling;
63 static const QColor EdgeColor;
64 static const QColor HighColor;
65 static const QColor LowColor;
66 static const QColor SamplingPointColor;
68 static QColor TriggerMarkerBackgroundColor;
69 static const int TriggerMarkerPadding;
70 static const char* TriggerMarkerIcons[8];
72 LogicSignal(pv::Session &session, shared_ptr<data::SignalBase> base);
74 virtual ~LogicSignal() = default;
76 virtual std::map<QString, QVariant> save_settings() const;
77 virtual void restore_settings(std::map<QString, QVariant> settings);
80 * Computes the vertical extents of the contents of this row item.
81 * @return A pair containing the minimum and maximum y-values.
83 virtual pair<int, int> v_extents() const;
86 * Paints the mid-layer of the signal with a QPainter
87 * @param p the QPainter to paint into.
88 * @param pp the painting parameters object to paint with..
90 virtual void paint_mid(QPainter &p, ViewItemPaintParams &pp);
93 * Paints the foreground layer of the signal with a QPainter
94 * @param p the QPainter to paint into.
95 * @param pp the painting parameters object to paint with.
97 virtual void paint_fore(QPainter &p, ViewItemPaintParams &pp);
100 * Determines the closest level change (i.e. edge) to a given sample, which
101 * is useful for e.g. the "snap to edge" functionality.
103 * @param sample_pos Sample to use
104 * @return The changes left and right of the given position
106 virtual vector<data::LogicSegment::EdgePair> get_nearest_level_changes(uint64_t sample_pos);
109 void paint_caps(QPainter &p, QLineF *const lines,
110 vector< pair<int64_t, bool> > &edges,
111 bool level, double samples_per_pixel, double pixels_offset,
112 float x_offset, float y_offset);
114 shared_ptr<pv::data::LogicSegment> get_logic_segment_to_paint() const;
116 void init_trigger_actions(QWidget *parent);
118 const vector<int32_t> get_trigger_types() const;
119 QAction* action_from_trigger_type(const sigrok::TriggerMatchType *type);
120 const sigrok::TriggerMatchType* trigger_type_from_action(
122 void populate_popup_form(QWidget *parent, QFormLayout *form);
123 void modify_trigger();
125 static const QIcon* get_icon(const char *path);
126 static const QPixmap* get_pixmap(const char *path);
128 virtual void update_logic_level_offsets();
131 void on_setting_changed(const QString &key, const QVariant &value);
135 void on_signal_height_changed(int height);
138 QColor high_fill_color_;
139 bool show_sampling_points_, fill_high_areas_;
140 float high_level_offset_, low_level_offset_; // y offsets relative to trace
142 QSpinBox *signal_height_sb_;
144 const sigrok::TriggerMatchType *trigger_match_;
145 const vector<int32_t> trigger_types_;
146 QToolBar *trigger_bar_;
147 QAction *trigger_none_;
148 QAction *trigger_rising_;
149 QAction *trigger_high_;
150 QAction *trigger_falling_;
151 QAction *trigger_low_;
152 QAction *trigger_change_;
154 static QCache<QString, const QIcon> icon_cache_;
155 static QCache<QString, const QPixmap> pixmap_cache_;
157 // ---------------------------------------------------------------------------
158 // Note: Make sure to update save_settings() and restore_settings() when
159 // adding a trace-configurable variable here
167 #endif // PULSEVIEW_PV_VIEWS_TRACE_LOGICSIGNAL_HPP