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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 <QColor> | |
31 | #include <QComboBox> | |
32 | #include <QPushButton> | |
33 | #include <QSignalMapper> | |
34 | #include <QTimer> | |
35 | ||
36 | #include <pv/binding/decoder.hpp> | |
37 | #include <pv/data/decode/decoder.hpp> | |
38 | #include <pv/data/decode/annotation.hpp> | |
39 | #include <pv/data/decode/row.hpp> | |
40 | #include <pv/data/signalbase.hpp> | |
41 | ||
42 | using std::deque; | |
43 | using std::list; | |
44 | using std::map; | |
45 | using std::mutex; | |
46 | using std::pair; | |
47 | using std::shared_ptr; | |
48 | using std::vector; | |
49 | ||
50 | struct srd_channel; | |
51 | struct srd_decoder; | |
52 | ||
53 | namespace pv { | |
54 | ||
55 | class Session; | |
56 | ||
57 | namespace data { | |
58 | struct DecodeChannel; | |
59 | class DecodeSignal; | |
60 | ||
61 | namespace decode { | |
62 | class Decoder; | |
63 | } | |
64 | } // namespace data | |
65 | ||
66 | namespace widgets { | |
67 | class DecoderGroupBox; | |
68 | } | |
69 | ||
70 | namespace views { | |
71 | namespace trace { | |
72 | ||
73 | struct RowData { | |
74 | // When adding a field, make sure it's initialized properly in | |
75 | // DecodeTrace::update_rows() | |
76 | ||
77 | data::decode::Row decode_row; | |
78 | unsigned int height, title_width; | |
79 | bool exists, currently_visible, expand_marker_highlighted, expanded; | |
80 | }; | |
81 | ||
82 | class DecodeTrace : public Trace | |
83 | { | |
84 | Q_OBJECT | |
85 | ||
86 | private: | |
87 | static const QColor ErrorBgColor; | |
88 | static const QColor NoDecodeColor; | |
89 | ||
90 | static const int ArrowSize; | |
91 | static const double EndCapWidth; | |
92 | static const int RowTitleMargin; | |
93 | static const int DrawPadding; | |
94 | ||
95 | static const int MaxTraceUpdateRate; | |
96 | ||
97 | public: | |
98 | DecodeTrace(pv::Session &session, shared_ptr<data::SignalBase> signalbase, | |
99 | int index); | |
100 | ||
101 | ~DecodeTrace(); | |
102 | ||
103 | bool enabled() const; | |
104 | ||
105 | shared_ptr<data::SignalBase> base() const; | |
106 | ||
107 | /** | |
108 | * Computes the vertical extents of the contents of this row item. | |
109 | * @return A pair containing the minimum and maximum y-values. | |
110 | */ | |
111 | pair<int, int> v_extents() const; | |
112 | ||
113 | /** | |
114 | * Paints the background layer of the trace with a QPainter | |
115 | * @param p the QPainter to paint into. | |
116 | * @param pp the painting parameters object to paint with.. | |
117 | */ | |
118 | void paint_back(QPainter &p, ViewItemPaintParams &pp); | |
119 | ||
120 | /** | |
121 | * Paints the mid-layer of the trace with a QPainter | |
122 | * @param p the QPainter to paint into. | |
123 | * @param pp the painting parameters object to paint with. | |
124 | */ | |
125 | void paint_mid(QPainter &p, ViewItemPaintParams &pp); | |
126 | ||
127 | /** | |
128 | * Paints the foreground layer of the trace with a QPainter | |
129 | * @param p the QPainter to paint into. | |
130 | * @param pp the painting parameters object to paint with. | |
131 | */ | |
132 | void paint_fore(QPainter &p, ViewItemPaintParams &pp); | |
133 | ||
134 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
135 | ||
136 | QMenu* create_header_context_menu(QWidget *parent); | |
137 | ||
138 | virtual QMenu* create_view_context_menu(QWidget *parent, QPoint &click_pos); | |
139 | ||
140 | void delete_pressed(); | |
141 | ||
142 | private: | |
143 | void draw_annotations(vector<pv::data::decode::Annotation> annotations, | |
144 | QPainter &p, int h, const ViewItemPaintParams &pp, int y, | |
145 | QColor row_color, int row_title_width); | |
146 | ||
147 | void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p, | |
148 | int h, const ViewItemPaintParams &pp, int y, | |
149 | QColor row_color, int row_title_width) const; | |
150 | ||
151 | void draw_annotation_block(qreal start, qreal end, | |
152 | pv::data::decode::Annotation::Class ann_class, bool use_ann_format, | |
153 | QPainter &p, int h, int y, QColor row_color) const; | |
154 | ||
155 | void draw_instant(const pv::data::decode::Annotation &a, QPainter &p, | |
156 | int h, qreal x, int y) const; | |
157 | ||
158 | void draw_range(const pv::data::decode::Annotation &a, QPainter &p, | |
159 | int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp, | |
160 | int row_title_width) const; | |
161 | ||
162 | void draw_error(QPainter &p, const QString &message, | |
163 | const ViewItemPaintParams &pp); | |
164 | ||
165 | void draw_unresolved_period(QPainter &p, int h, int left, | |
166 | int right) const; | |
167 | ||
168 | pair<double, double> get_pixels_offset_samples_per_pixel() const; | |
169 | ||
170 | /** | |
171 | * Determines the start and end sample for a given pixel range. | |
172 | * @param x_start the X coordinate of the start sample in the view | |
173 | * @param x_end the X coordinate of the end sample in the view | |
174 | * @return Returns a pair containing the start sample and the end | |
175 | * sample that correspond to the start and end coordinates. | |
176 | */ | |
177 | pair<uint64_t, uint64_t> get_view_sample_range(int x_start, int x_end) const; | |
178 | ||
179 | QColor get_row_color(int row_index) const; | |
180 | QColor get_annotation_color(QColor row_color, int annotation_index) const; | |
181 | ||
182 | unsigned int get_row_y(const RowData* row) const; | |
183 | ||
184 | RowData* get_row_at_point(const QPoint &point); | |
185 | ||
186 | const QString get_annotation_at_point(const QPoint &point); | |
187 | ||
188 | void update_stack_button(); | |
189 | ||
190 | void create_decoder_form(int index, | |
191 | shared_ptr<pv::data::decode::Decoder> &dec, | |
192 | QWidget *parent, QFormLayout *form); | |
193 | ||
194 | QComboBox* create_channel_selector(QWidget *parent, | |
195 | const data::decode::DecodeChannel *ch); | |
196 | QComboBox* create_channel_selector_init_state(QWidget *parent, | |
197 | const data::decode::DecodeChannel *ch); | |
198 | ||
199 | void export_annotations(vector<data::decode::Annotation> *annotations) const; | |
200 | ||
201 | void update_rows(); | |
202 | ||
203 | public: | |
204 | virtual void hover_point_changed(const QPoint &hp); | |
205 | ||
206 | private Q_SLOTS: | |
207 | void on_setting_changed(const QString &key, const QVariant &value); | |
208 | ||
209 | void on_new_annotations(); | |
210 | void on_delayed_trace_update(); | |
211 | void on_decode_reset(); | |
212 | void on_decode_finished(); | |
213 | void on_pause_decode(); | |
214 | ||
215 | void on_delete(); | |
216 | ||
217 | void on_channel_selected(int); | |
218 | ||
219 | void on_channels_updated(); | |
220 | ||
221 | void on_init_state_changed(int); | |
222 | ||
223 | void on_stack_decoder(srd_decoder *decoder); | |
224 | ||
225 | void on_delete_decoder(int index); | |
226 | ||
227 | void on_show_hide_decoder(int index); | |
228 | ||
229 | void on_copy_annotation_to_clipboard(); | |
230 | ||
231 | void on_export_row(); | |
232 | void on_export_all_rows(); | |
233 | void on_export_row_with_cursor(); | |
234 | void on_export_all_rows_with_cursor(); | |
235 | void on_export_row_from_here(); | |
236 | void on_export_all_rows_from_here(); | |
237 | ||
238 | private: | |
239 | pv::Session &session_; | |
240 | shared_ptr<data::DecodeSignal> decode_signal_; | |
241 | ||
242 | deque<RowData> rows_; | |
243 | mutable mutex row_modification_mutex_; | |
244 | ||
245 | map<QComboBox*, uint16_t> channel_id_map_; // channel selector -> decode channel ID | |
246 | map<QComboBox*, uint16_t> init_state_map_; // init state selector -> decode channel ID | |
247 | list< shared_ptr<pv::binding::Decoder> > bindings_; | |
248 | ||
249 | const data::decode::Row* selected_row_; | |
250 | pair<uint64_t, uint64_t> selected_sample_range_; | |
251 | ||
252 | vector<pv::widgets::DecoderGroupBox*> decoder_forms_; | |
253 | QPushButton* stack_button_; | |
254 | ||
255 | unsigned int default_row_height_, annotation_height_; | |
256 | unsigned int visible_rows_, max_visible_rows_; | |
257 | ||
258 | int min_useful_label_width_; | |
259 | bool always_show_all_rows_; | |
260 | ||
261 | QSignalMapper delete_mapper_, show_hide_mapper_; | |
262 | ||
263 | QTimer delayed_trace_updater_; | |
264 | }; | |
265 | ||
266 | } // namespace trace | |
267 | } // namespace views | |
268 | } // namespace pv | |
269 | ||
270 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP |