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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP | |
22 | ||
23 | #include "trace.hpp" | |
24 | ||
25 | #include <list> | |
26 | #include <map> | |
27 | #include <memory> | |
28 | #include <vector> | |
29 | ||
30 | #include <QSignalMapper> | |
31 | ||
32 | #include <pv/binding/decoder.hpp> | |
33 | #include <pv/data/decode/row.hpp> | |
34 | #include <pv/data/signalbase.hpp> | |
35 | ||
36 | using std::list; | |
37 | using std::map; | |
38 | using std::pair; | |
39 | using std::shared_ptr; | |
40 | using std::vector; | |
41 | ||
42 | struct srd_channel; | |
43 | struct srd_decoder; | |
44 | ||
45 | class QComboBox; | |
46 | ||
47 | namespace pv { | |
48 | ||
49 | class Session; | |
50 | ||
51 | namespace data { | |
52 | class DecoderStack; | |
53 | class SignalBase; | |
54 | class DecodeSignal; | |
55 | ||
56 | namespace decode { | |
57 | class Annotation; | |
58 | class Decoder; | |
59 | class Row; | |
60 | } | |
61 | } | |
62 | ||
63 | namespace widgets { | |
64 | class DecoderGroupBox; | |
65 | } | |
66 | ||
67 | namespace views { | |
68 | namespace trace { | |
69 | ||
70 | class DecodeTrace : public Trace | |
71 | { | |
72 | Q_OBJECT | |
73 | ||
74 | private: | |
75 | struct ChannelSelector | |
76 | { | |
77 | const QComboBox *combo_; | |
78 | const QComboBox *combo_initial_pin_; | |
79 | const shared_ptr<pv::data::decode::Decoder> decoder_; | |
80 | const srd_channel *pdch_; | |
81 | }; | |
82 | ||
83 | private: | |
84 | static const QColor DecodeColours[4]; | |
85 | static const QColor ErrorBgColour; | |
86 | static const QColor NoDecodeColour; | |
87 | ||
88 | static const int ArrowSize; | |
89 | static const double EndCapWidth; | |
90 | static const int RowTitleMargin; | |
91 | static const int DrawPadding; | |
92 | ||
93 | static const QColor Colours[16]; | |
94 | static const QColor OutlineColours[16]; | |
95 | ||
96 | public: | |
97 | DecodeTrace(pv::Session &session, shared_ptr<data::SignalBase> signalbase, | |
98 | int index); | |
99 | ||
100 | bool enabled() const; | |
101 | ||
102 | const shared_ptr<pv::data::DecoderStack>& decoder() const; | |
103 | ||
104 | shared_ptr<data::SignalBase> base() const; | |
105 | ||
106 | /** | |
107 | * Computes the vertical extents of the contents of this row item. | |
108 | * @return A pair containing the minimum and maximum y-values. | |
109 | */ | |
110 | pair<int, int> v_extents() const; | |
111 | ||
112 | /** | |
113 | * Paints the background layer of the trace with a QPainter | |
114 | * @param p the QPainter to paint into. | |
115 | * @param pp the painting parameters object to paint with.. | |
116 | */ | |
117 | void paint_back(QPainter &p, ViewItemPaintParams &pp); | |
118 | ||
119 | /** | |
120 | * Paints the mid-layer of the trace with a QPainter | |
121 | * @param p the QPainter to paint into. | |
122 | * @param pp the painting parameters object to paint with. | |
123 | */ | |
124 | void paint_mid(QPainter &p, ViewItemPaintParams &pp); | |
125 | ||
126 | /** | |
127 | * Paints the foreground layer of the trace with a QPainter | |
128 | * @param p the QPainter to paint into. | |
129 | * @param pp the painting parameters object to paint with. | |
130 | */ | |
131 | void paint_fore(QPainter &p, ViewItemPaintParams &pp); | |
132 | ||
133 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
134 | ||
135 | QMenu* create_context_menu(QWidget *parent); | |
136 | ||
137 | void delete_pressed(); | |
138 | ||
139 | private: | |
140 | void draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
141 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
142 | size_t base_colour, int row_title_width); | |
143 | ||
144 | void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, | |
145 | int h, const ViewItemPaintParams &pp, int y, | |
146 | size_t base_colour, int row_title_width) const; | |
147 | ||
148 | void draw_annotation_block(vector<pv::data::decode::Annotation> annotations, | |
149 | QPainter &p, int h, int y, size_t base_colour) const; | |
150 | ||
151 | void draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
152 | int h, double x, int y) const; | |
153 | ||
154 | void draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
155 | int h, double start, double end, int y, const ViewItemPaintParams &pp, | |
156 | int row_title_width) const; | |
157 | ||
158 | void draw_error(QPainter &p, const QString &message, | |
159 | const ViewItemPaintParams &pp); | |
160 | ||
161 | void draw_unresolved_period(QPainter &p, int h, int left, | |
162 | int right) const; | |
163 | ||
164 | pair<double, double> get_pixels_offset_samples_per_pixel() const; | |
165 | ||
166 | /** | |
167 | * Determines the start and end sample for a given pixel range. | |
168 | * @param x_start the X coordinate of the start sample in the view | |
169 | * @param x_end the X coordinate of the end sample in the view | |
170 | * @return Returns a pair containing the start sample and the end | |
171 | * sample that correspond to the start and end coordinates. | |
172 | */ | |
173 | pair<uint64_t, uint64_t> get_sample_range(int x_start, int x_end) const; | |
174 | ||
175 | int get_row_at_point(const QPoint &point); | |
176 | ||
177 | const QString get_annotation_at_point(const QPoint &point); | |
178 | ||
179 | void create_decoder_form(int index, | |
180 | shared_ptr<pv::data::decode::Decoder> &dec, | |
181 | QWidget *parent, QFormLayout *form); | |
182 | ||
183 | QComboBox* create_channel_selector(QWidget *parent, | |
184 | const shared_ptr<pv::data::decode::Decoder> &dec, | |
185 | const srd_channel *const pdch); | |
186 | ||
187 | QComboBox* create_channel_selector_initial_pin(QWidget *parent, | |
188 | const shared_ptr<pv::data::decode::Decoder> &dec, | |
189 | const srd_channel *const pdch); | |
190 | ||
191 | void commit_decoder_channels(shared_ptr<data::decode::Decoder> &dec); | |
192 | ||
193 | void commit_channels(); | |
194 | ||
195 | public: | |
196 | void hover_point_changed(); | |
197 | ||
198 | private Q_SLOTS: | |
199 | void on_new_annotations(); | |
200 | ||
201 | void on_delete(); | |
202 | ||
203 | void on_channel_selected(int); | |
204 | ||
205 | void on_initial_pin_selected(int); | |
206 | ||
207 | void on_stack_decoder(srd_decoder *decoder); | |
208 | ||
209 | void on_delete_decoder(int index); | |
210 | ||
211 | void on_show_hide_decoder(int index); | |
212 | ||
213 | private: | |
214 | pv::Session &session_; | |
215 | shared_ptr<data::DecodeSignal> decode_signal_; | |
216 | ||
217 | vector<data::decode::Row> visible_rows_; | |
218 | uint64_t decode_start_, decode_end_; | |
219 | ||
220 | list< shared_ptr<pv::binding::Decoder> > bindings_; | |
221 | ||
222 | list<ChannelSelector> channel_selectors_; | |
223 | vector<pv::widgets::DecoderGroupBox*> decoder_forms_; | |
224 | ||
225 | map<data::decode::Row, int> row_title_widths_; | |
226 | int row_height_, max_visible_rows_; | |
227 | ||
228 | int min_useful_label_width_; | |
229 | ||
230 | QSignalMapper delete_mapper_, show_hide_mapper_; | |
231 | }; | |
232 | ||
233 | } // namespace trace | |
234 | } // namespace views | |
235 | } // namespace pv | |
236 | ||
237 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP |