]> sigrok.org Git - pulseview.git/blob - pv/views/trace/decodetrace.hpp
Fix #1505 by always updating the DecodeTrace height when needed
[pulseview.git] / pv / views / trace / decodetrace.hpp
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 <config.h>
24 #include "trace.hpp"
25
26 #include <list>
27 #include <map>
28 #include <memory>
29 #include <vector>
30
31 #include <QColor>
32 #include <QComboBox>
33 #include <QCheckBox>
34 #include <QElapsedTimer>
35 #include <QPolygon>
36 #include <QPushButton>
37 #include <QSignalMapper>
38 #include <QTimer>
39
40 #include <pv/binding/decoder.hpp>
41 #include <pv/data/decode/decoder.hpp>
42 #include <pv/data/decode/annotation.hpp>
43 #include <pv/data/decode/row.hpp>
44 #include <pv/data/signalbase.hpp>
45
46 #define DECODETRACE_SHOW_RENDER_TIME 0
47
48 using std::deque;
49 using std::list;
50 using std::map;
51 using std::mutex;
52 using std::pair;
53 using std::shared_ptr;
54 using std::vector;
55
56 using pv::data::SignalBase;
57 using pv::data::decode::Annotation;
58 using pv::data::decode::Decoder;
59 using pv::data::decode::Row;
60
61 struct srd_channel;
62 struct srd_decoder;
63
64 namespace pv {
65
66 class Session;
67
68 namespace data {
69 struct DecodeChannel;
70 class DecodeSignal;
71
72 namespace decode {
73 class Decoder;
74 class Row;
75 }
76 }  // namespace data
77
78 namespace widgets {
79 class DecoderGroupBox;
80 }
81
82 namespace views {
83 namespace trace {
84
85 class ContainerWidget;
86
87 struct DecodeTraceRow {
88         // When adding a field, make sure it's initialized properly in
89         // DecodeTrace::update_rows()
90
91         Row* decode_row;
92         unsigned int height, expanded_height, title_width, animation_step;
93         bool exists, currently_visible, has_hidden_classes;
94         bool expand_marker_highlighted, expanding, expanded, collapsing;
95         QPolygon expand_marker_shape;
96         float anim_height, anim_shape;
97
98         ContainerWidget* container;
99         QWidget* header_container;
100         QWidget* selector_container;
101         QCheckBox* row_visibility_checkbox;
102         vector<QCheckBox*> selectors;
103
104         QColor row_color;
105         map<uint32_t, QColor> ann_class_color;
106         map<uint32_t, QColor> ann_class_dark_color;
107 };
108
109 class ContainerWidget : public QWidget
110 {
111         Q_OBJECT
112
113 public:
114         ContainerWidget(QWidget *parent = nullptr);
115
116         virtual void resizeEvent(QResizeEvent* event);
117
118 Q_SIGNALS:
119         void widgetResized(QWidget* sender);
120 };
121
122 class DecodeTrace : public Trace
123 {
124         Q_OBJECT
125
126 private:
127         static const QColor ErrorBgColor;
128         static const QColor NoDecodeColor;
129         static const QColor ExpandMarkerWarnColor;
130         static const QColor ExpandMarkerHiddenColor;
131         static const uint8_t ExpansionAreaHeaderAlpha;
132         static const uint8_t ExpansionAreaAlpha;
133
134         static const int ArrowSize;
135         static const double EndCapWidth;
136         static const int RowTitleMargin;
137         static const int DrawPadding;
138
139         static const int MaxTraceUpdateRate;
140         static const int AnimationDurationInTicks;
141         static const int HiddenRowHideDelay;
142
143 public:
144         DecodeTrace(pv::Session &session, shared_ptr<SignalBase> signalbase,
145                 int index);
146
147         ~DecodeTrace();
148
149         bool enabled() const;
150
151         shared_ptr<SignalBase> base() const;
152
153         /**
154          * Sets the owner this trace in the view trace hierachy.
155          * @param The new owner of the trace.
156          */
157         virtual void set_owner(TraceTreeItemOwner *owner);
158
159         /**
160          * Computes the vertical extents of the contents of this row item.
161          * @return A pair containing the minimum and maximum y-values.
162          */
163         pair<int, int> v_extents() const;
164
165         /**
166          * Paints the background layer of the trace with a QPainter
167          * @param p the QPainter to paint into.
168          * @param pp the painting parameters object to paint with..
169          */
170         void paint_back(QPainter &p, ViewItemPaintParams &pp);
171
172         /**
173          * Paints the mid-layer of the trace with a QPainter
174          * @param p the QPainter to paint into.
175          * @param pp the painting parameters object to paint with.
176          */
177         void paint_mid(QPainter &p, ViewItemPaintParams &pp);
178
179         /**
180          * Paints the foreground layer of the trace with a QPainter
181          * @param p the QPainter to paint into.
182          * @param pp the painting parameters object to paint with.
183          */
184         void paint_fore(QPainter &p, ViewItemPaintParams &pp);
185
186         void populate_popup_form(QWidget *parent, QFormLayout *form);
187
188         QMenu* create_header_context_menu(QWidget *parent);
189
190         virtual QMenu* create_view_context_menu(QWidget *parent, QPoint &click_pos);
191
192         virtual void delete_pressed();
193
194         virtual void hover_point_changed(const QPoint &hp);
195
196         virtual void mouse_left_press_event(const QMouseEvent* event);
197
198 private:
199         void draw_annotations(deque<const Annotation*>& annotations, QPainter &p,
200                 const ViewItemPaintParams &pp, int y, const DecodeTraceRow& row);
201
202         void draw_annotation(const Annotation* a, QPainter &p,
203                 const ViewItemPaintParams &pp, int y, const DecodeTraceRow& row) const;
204
205         void draw_annotation_block(qreal start, qreal end, Annotation::Class ann_class,
206                 bool use_ann_format, QPainter &p, int y, const DecodeTraceRow& row) const;
207
208         void draw_instant(const Annotation* a, QPainter &p, qreal x, int y) const;
209
210         void draw_range(const Annotation* a, QPainter &p, qreal start, qreal end,
211                 int y, const ViewItemPaintParams &pp, int row_title_width) const;
212
213         void draw_error(QPainter &p, const QString &message, const ViewItemPaintParams &pp);
214
215         void draw_unresolved_period(QPainter &p, int left, int right) const;
216
217         pair<double, double> get_pixels_offset_samples_per_pixel() const;
218
219         /**
220          * Determines the start and end sample for a given pixel range.
221          * @param x_start the X coordinate of the start sample in the view
222          * @param x_end the X coordinate of the end sample in the view
223          * @return Returns a pair containing the start sample and the end
224          *      sample that correspond to the start and end coordinates.
225          */
226         pair<uint64_t, uint64_t> get_view_sample_range(int x_start, int x_end) const;
227
228         QColor get_row_color(int row_index) const;
229         QColor get_annotation_color(QColor row_color, int annotation_index) const;
230
231         unsigned int get_row_y(const DecodeTraceRow* row) const;
232
233         DecodeTraceRow* get_row_at_point(const QPoint &point);
234
235         const QString get_annotation_at_point(const QPoint &point);
236
237         void update_stack_button();
238
239         void create_decoder_form(int index, shared_ptr<Decoder> &dec,
240                 QWidget *parent, QFormLayout *form);
241
242         QComboBox* create_channel_selector(QWidget *parent,
243                 const data::decode::DecodeChannel *ch);
244         QComboBox* create_channel_selector_init_state(QWidget *parent,
245                 const data::decode::DecodeChannel *ch);
246
247         void export_annotations(deque<const Annotation*>& annotations) const;
248
249         void initialize_row_widgets(DecodeTraceRow* r, unsigned int row_id);
250         void update_rows();
251
252         /**
253          * Sets row r to expanded state without forcing an update of the view
254          */
255         void set_row_expanded(DecodeTraceRow* r);
256
257         /**
258          * Sets row r to collapsed state without forcing an update of the view
259          */
260         void set_row_collapsed(DecodeTraceRow* r);
261
262         void update_expanded_rows();
263
264 private Q_SLOTS:
265         void on_setting_changed(const QString &key, const QVariant &value);
266
267         void on_new_annotations();
268         void on_delayed_trace_update();
269         void on_decode_reset();
270         void on_decode_finished();
271         void on_pause_decode();
272
273         void on_delete();
274
275         void on_channel_selected(int);
276
277         void on_channels_updated();
278
279         void on_init_state_changed(int);
280
281         void on_stack_decoder(srd_decoder *decoder);
282
283         void on_delete_decoder(int index);
284
285         void on_show_hide_decoder(int index);
286         void on_show_hide_row(int row_id);
287         void on_show_hide_class(QWidget* sender);
288         void on_show_all_classes();
289         void on_hide_all_classes();
290         void on_row_container_resized(QWidget* sender);
291
292         void on_copy_annotation_to_clipboard();
293
294         void on_export_row();
295         void on_export_all_rows();
296         void on_export_row_with_cursor();
297         void on_export_all_rows_with_cursor();
298         void on_export_row_from_here();
299         void on_export_all_rows_from_here();
300
301         void on_animation_timer();
302         void on_hide_hidden_rows();
303
304 private:
305         pv::Session &session_;
306         shared_ptr<data::DecodeSignal> decode_signal_;
307
308         deque<DecodeTraceRow> rows_;
309         mutable mutex row_modification_mutex_;
310
311         map<QComboBox*, uint16_t> channel_id_map_;  // channel selector -> decode channel ID
312         map<QComboBox*, uint16_t> init_state_map_;  // init state selector -> decode channel ID
313         list< shared_ptr<pv::binding::Decoder> > bindings_;
314
315         const Row* selected_row_;
316         pair<uint64_t, uint64_t> selected_sample_range_;
317
318         vector<pv::widgets::DecoderGroupBox*> decoder_forms_;
319         QPushButton* stack_button_;
320
321         unsigned int default_row_height_, annotation_height_;
322         unsigned int visible_rows_;
323
324         int min_useful_label_width_;
325         bool always_show_all_rows_, show_hidden_rows_;
326
327         QSignalMapper delete_mapper_, show_hide_mapper_;
328         QSignalMapper row_show_hide_mapper_, class_show_hide_mapper_;
329
330         QTimer delayed_trace_updater_, animation_timer_, delayed_hidden_row_hider_;
331
332         QPolygon default_marker_shape_;
333
334 #if DECODETRACE_SHOW_RENDER_TIME
335         QElapsedTimer render_time_;
336 #endif
337 };
338
339 } // namespace trace
340 } // namespace views
341 } // namespace pv
342
343 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP