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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_VIEW_LOGICSIGNAL_HPP | |
22 | #define PULSEVIEW_PV_VIEW_LOGICSIGNAL_HPP | |
23 | ||
24 | #include <QCache> | |
25 | ||
26 | #include "signal.hpp" | |
27 | ||
28 | #include <memory> | |
29 | ||
30 | class QIcon; | |
31 | class QToolBar; | |
32 | ||
33 | namespace sigrok { | |
34 | class TriggerMatchType; | |
35 | } | |
36 | ||
37 | namespace pv { | |
38 | ||
39 | namespace devices { | |
40 | class Device; | |
41 | } | |
42 | ||
43 | namespace data { | |
44 | class Logic; | |
45 | } | |
46 | ||
47 | namespace view { | |
48 | ||
49 | class LogicSignal : public Signal | |
50 | { | |
51 | Q_OBJECT | |
52 | ||
53 | private: | |
54 | static const float Oversampling; | |
55 | ||
56 | static const QColor EdgeColour; | |
57 | static const QColor HighColour; | |
58 | static const QColor LowColour; | |
59 | ||
60 | static const QColor SignalColours[10]; | |
61 | ||
62 | static QColor TriggerMarkerBackgroundColour; | |
63 | static const int TriggerMarkerPadding; | |
64 | static const char* TriggerMarkerIcons[8]; | |
65 | ||
66 | public: | |
67 | LogicSignal(pv::Session &session, | |
68 | std::shared_ptr<devices::Device> device, | |
69 | std::shared_ptr<data::SignalBase> channel, | |
70 | std::shared_ptr<pv::data::Logic> data); | |
71 | ||
72 | virtual ~LogicSignal() = default; | |
73 | ||
74 | std::shared_ptr<pv::data::SignalData> data() const; | |
75 | ||
76 | std::shared_ptr<pv::data::Logic> logic_data() const; | |
77 | ||
78 | void set_logic_data(std::shared_ptr<pv::data::Logic> data); | |
79 | ||
80 | /** | |
81 | * Computes the vertical extents of the contents of this row item. | |
82 | * @return A pair containing the minimum and maximum y-values. | |
83 | */ | |
84 | std::pair<int, int> v_extents() const; | |
85 | ||
86 | /** | |
87 | * Returns the offset to show the drag handle. | |
88 | */ | |
89 | int scale_handle_offset() const; | |
90 | ||
91 | /** | |
92 | * Handles the scale handle being dragged to an offset. | |
93 | * @param offset the offset the scale handle was dragged to. | |
94 | */ | |
95 | void scale_handle_dragged(int offset); | |
96 | ||
97 | /** | |
98 | * Paints the mid-layer of the signal with a QPainter | |
99 | * @param p the QPainter to paint into. | |
100 | * @param pp the painting parameters object to paint with.. | |
101 | */ | |
102 | void paint_mid(QPainter &p, const ViewItemPaintParams &pp); | |
103 | ||
104 | /** | |
105 | * Paints the foreground layer of the signal with a QPainter | |
106 | * @param p the QPainter to paint into. | |
107 | * @param pp the painting parameters object to paint with. | |
108 | */ | |
109 | virtual void paint_fore(QPainter &p, const ViewItemPaintParams &pp); | |
110 | ||
111 | private: | |
112 | void paint_caps(QPainter &p, QLineF *const lines, | |
113 | std::vector< std::pair<int64_t, bool> > &edges, | |
114 | bool level, double samples_per_pixel, double pixels_offset, | |
115 | float x_offset, float y_offset); | |
116 | ||
117 | void init_trigger_actions(QWidget *parent); | |
118 | ||
119 | const std::vector<int32_t> get_trigger_types() const; | |
120 | QAction* action_from_trigger_type( | |
121 | const sigrok::TriggerMatchType *type); | |
122 | const sigrok::TriggerMatchType* trigger_type_from_action( | |
123 | QAction *action); | |
124 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
125 | void modify_trigger(); | |
126 | ||
127 | static const QIcon* get_icon(const char *path); | |
128 | static const QPixmap* get_pixmap(const char *path); | |
129 | ||
130 | private Q_SLOTS: | |
131 | void on_trigger(); | |
132 | ||
133 | private: | |
134 | int signal_height_; | |
135 | ||
136 | std::shared_ptr<pv::devices::Device> device_; | |
137 | std::shared_ptr<pv::data::Logic> data_; | |
138 | ||
139 | const sigrok::TriggerMatchType *trigger_match_; | |
140 | QToolBar *trigger_bar_; | |
141 | QAction *trigger_none_; | |
142 | QAction *trigger_rising_; | |
143 | QAction *trigger_high_; | |
144 | QAction *trigger_falling_; | |
145 | QAction *trigger_low_; | |
146 | QAction *trigger_change_; | |
147 | ||
148 | static QCache<QString, const QIcon> icon_cache_; | |
149 | static QCache<QString, const QPixmap> pixmap_cache_; | |
150 | }; | |
151 | ||
152 | } // namespace view | |
153 | } // namespace pv | |
154 | ||
155 | #endif // PULSEVIEW_PV_VIEW_LOGICSIGNAL_HPP |