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Commit | Line | Data |
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adb4b10c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
adb4b10c JH |
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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
adb4b10c JH |
18 | */ |
19 | ||
f4e57597 SA |
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP | |
adb4b10c | 22 | |
cafe470e | 23 | #include <cstdint> |
8914fe79 | 24 | #include <list> |
f9abf97e | 25 | #include <memory> |
1bc6525b | 26 | #include <set> |
448a72cf | 27 | #include <unordered_map> |
38eeddea JH |
28 | #include <vector> |
29 | ||
adb4b10c | 30 | #include <QAbstractScrollArea> |
2e04f9bd | 31 | #include <QSizeF> |
33094993 | 32 | #include <QSplitter> |
adb4b10c | 33 | |
d0c0573b | 34 | #include <pv/globalsettings.hpp> |
ef454ad5 | 35 | #include <pv/util.hpp> |
d0c0573b | 36 | #include <pv/data/signaldata.hpp> |
aca9aa83 | 37 | #include <pv/views/viewbase.hpp> |
1bc6525b | 38 | |
2acdb232 | 39 | #include "cursorpair.hpp" |
8914fe79 | 40 | #include "flag.hpp" |
7daebd05 | 41 | #include "trace.hpp" |
af503b10 | 42 | #include "tracetreeitemowner.hpp" |
f76af637 | 43 | |
6f925ba9 UH |
44 | using std::list; |
45 | using std::unordered_map; | |
46 | using std::unordered_set; | |
47 | using std::set; | |
48 | using std::shared_ptr; | |
49 | using std::vector; | |
50 | ||
cf124e47 JH |
51 | namespace sigrok { |
52 | class ChannelGroup; | |
53 | } | |
54 | ||
51e77110 JH |
55 | namespace pv { |
56 | ||
2b81ae46 | 57 | class Session; |
adb4b10c | 58 | |
5ed05b69 SA |
59 | namespace data { |
60 | class Logic; | |
61 | } | |
62 | ||
f4e57597 SA |
63 | namespace views { |
64 | ||
1573bf16 | 65 | namespace trace { |
cdf7bea7 | 66 | |
bb7dd726 | 67 | class DecodeTrace; |
1d8dca91 | 68 | class Header; |
ccdd3ef5 | 69 | class Ruler; |
47e9e7bb | 70 | class Signal; |
cdf7bea7 | 71 | class Viewport; |
1a2288a1 | 72 | class TriggerMarker; |
cdf7bea7 | 73 | |
33094993 | 74 | class CustomScrollArea : public QAbstractScrollArea |
c063290a | 75 | { |
f4e57597 SA |
76 | Q_OBJECT |
77 | ||
78 | public: | |
33094993 | 79 | CustomScrollArea(QWidget *parent = nullptr); |
f4e57597 SA |
80 | bool viewportEvent(QEvent *event); |
81 | }; | |
82 | ||
d0c0573b | 83 | class View : public ViewBase, public TraceTreeItemOwner, public GlobalSettingsInterface |
c063290a | 84 | { |
adb4b10c JH |
85 | Q_OBJECT |
86 | ||
32218d3e JH |
87 | private: |
88 | enum StickyEvents { | |
af503b10 JH |
89 | TraceTreeItemHExtentsChanged = 1, |
90 | TraceTreeItemVExtentsChanged = 2 | |
32218d3e JH |
91 | }; |
92 | ||
adb4b10c | 93 | private: |
60d9b99a JS |
94 | static const pv::util::Timestamp MaxScale; |
95 | static const pv::util::Timestamp MinScale; | |
adb4b10c | 96 | |
f25770e2 JH |
97 | static const int MaxScrollValue; |
98 | ||
361c560e JH |
99 | static const int ScaleUnits[3]; |
100 | ||
adb4b10c | 101 | public: |
f54fc97e | 102 | explicit View(Session &session, bool is_main_view=false, QWidget *parent = nullptr); |
adb4b10c | 103 | |
d0c0573b SA |
104 | ~View(); |
105 | ||
5a206446 SA |
106 | /** |
107 | * Resets the view to its default state after construction. It does however | |
108 | * not reset the signal bases or any other connections with the session. | |
109 | */ | |
110 | virtual void reset_view_state(); | |
111 | ||
2b81ae46 JH |
112 | Session& session(); |
113 | const Session& session() const; | |
1d19ef83 | 114 | |
47e9e7bb SA |
115 | /** |
116 | * Returns the signals contained in this view. | |
117 | */ | |
6f925ba9 | 118 | unordered_set< shared_ptr<Signal> > signals() const; |
47e9e7bb | 119 | |
f4e57597 | 120 | virtual void clear_signals(); |
47e9e7bb | 121 | |
5ed05b69 | 122 | void add_signal(const shared_ptr<Signal> signal); |
47e9e7bb | 123 | |
bb7dd726 | 124 | #ifdef ENABLE_DECODE |
f4e57597 | 125 | virtual void clear_decode_signals(); |
bb7dd726 | 126 | |
ad908057 | 127 | virtual void add_decode_signal(shared_ptr<data::DecodeSignal> signal); |
bb7dd726 | 128 | |
ad908057 | 129 | virtual void remove_decode_signal(shared_ptr<data::DecodeSignal> signal); |
bb7dd726 SA |
130 | #endif |
131 | ||
eeceee99 SA |
132 | shared_ptr<Signal> get_signal_under_mouse_cursor() const; |
133 | ||
eae6e30a JH |
134 | /** |
135 | * Returns the view of the owner. | |
136 | */ | |
f4e57597 | 137 | virtual View* view(); |
eae6e30a JH |
138 | |
139 | /** | |
140 | * Returns the view of the owner. | |
141 | */ | |
f4e57597 | 142 | virtual const View* view() const; |
eae6e30a | 143 | |
2ae445ba SA |
144 | Viewport* viewport(); |
145 | ||
146 | const Viewport* viewport() const; | |
147 | ||
f4e57597 | 148 | virtual void save_settings(QSettings &settings) const; |
3a21afa6 | 149 | |
f4e57597 | 150 | virtual void restore_settings(QSettings &settings); |
3a21afa6 | 151 | |
2496bf45 JH |
152 | /** |
153 | * Gets a list of time markers. | |
154 | */ | |
6f925ba9 | 155 | vector< shared_ptr<TimeItem> > time_items() const; |
2496bf45 | 156 | |
e2f5223b JH |
157 | /** |
158 | * Returns the view time scale in seconds per pixel. | |
159 | */ | |
adb4b10c | 160 | double scale() const; |
e2f5223b JH |
161 | |
162 | /** | |
ffc00fdd C |
163 | * Returns the internal view version of the time offset of the left edge |
164 | * of the view in seconds. | |
e2f5223b | 165 | */ |
60d9b99a | 166 | const pv::util::Timestamp& offset() const; |
f8400017 | 167 | |
ffc00fdd C |
168 | /** |
169 | * Returns the ruler version of the time offset of the left edge | |
170 | * of the view in seconds. | |
171 | */ | |
172 | const pv::util::Timestamp& ruler_offset() const; | |
173 | ||
451dc5f3 SA |
174 | void set_zero_position(pv::util::Timestamp& position); |
175 | ||
176 | void reset_zero_position(); | |
177 | ||
f8400017 JH |
178 | /** |
179 | * Returns the vertical scroll offset. | |
180 | */ | |
7ff0145f | 181 | int owner_visual_v_offset() const; |
adb4b10c | 182 | |
4d476647 JH |
183 | /** |
184 | * Sets the visual v-offset. | |
185 | */ | |
186 | void set_v_offset(int offset); | |
187 | ||
361c560e JH |
188 | /** |
189 | * Returns the SI prefix to apply to the graticule time markings. | |
190 | */ | |
d001f416 | 191 | pv::util::SIPrefix tick_prefix() const; |
361c560e | 192 | |
d40f4db7 SA |
193 | /** |
194 | * Returns the number of fractional digits shown for the time markings. | |
195 | */ | |
196 | unsigned int tick_precision() const; | |
197 | ||
361c560e JH |
198 | /** |
199 | * Returns period of the graticule time markings. | |
200 | */ | |
c677193d | 201 | const pv::util::Timestamp& tick_period() const; |
361c560e | 202 | |
4a076157 C |
203 | /** |
204 | * Returns number of minor division ticks per time marking. | |
205 | */ | |
206 | unsigned int minor_tick_count() const; | |
207 | ||
ef454ad5 SA |
208 | /** |
209 | * Returns the unit of time currently used. | |
210 | */ | |
211 | util::TimeUnit time_unit() const; | |
212 | ||
3e769a37 JH |
213 | /** |
214 | * Returns the number of nested parents that this row item owner has. | |
215 | */ | |
216 | unsigned int depth() const; | |
217 | ||
89914a86 SA |
218 | /** |
219 | * Returns the currently displayed segment, starting at 0. | |
220 | */ | |
221 | uint32_t current_segment() const; | |
222 | ||
7daebd05 SA |
223 | /** |
224 | * Returns whether the currently shown segment can be influenced | |
225 | * (selected) or not. | |
226 | */ | |
227 | bool segment_is_selectable() const; | |
228 | ||
89914a86 | 229 | Trace::SegmentDisplayMode segment_display_mode() const; |
7daebd05 SA |
230 | void set_segment_display_mode(Trace::SegmentDisplayMode mode); |
231 | ||
adb4b10c | 232 | void zoom(double steps); |
17c0f398 | 233 | void zoom(double steps, int offset); |
adb4b10c | 234 | |
ce11b2ea | 235 | void zoom_fit(bool gui_state); |
ca46b534 | 236 | |
e2f5223b JH |
237 | /** |
238 | * Sets the scale and offset. | |
239 | * @param scale The new view scale in seconds per pixel. | |
240 | * @param offset The view time offset in seconds. | |
241 | */ | |
60d9b99a | 242 | void set_scale_offset(double scale, const pv::util::Timestamp& offset); |
adb4b10c | 243 | |
6f925ba9 | 244 | set< shared_ptr<pv::data::SignalData> > get_visible_data() const; |
1bc6525b | 245 | |
6f925ba9 | 246 | pair<pv::util::Timestamp, pv::util::Timestamp> get_time_extents() const; |
1bc6525b | 247 | |
574c568d | 248 | /** |
641574bc SA |
249 | * Enables or disables colored trace backgrounds. If they're not |
250 | * colored then they will use alternating colors. | |
574c568d | 251 | */ |
641574bc | 252 | void enable_colored_bg(bool state); |
574c568d | 253 | |
48995388 | 254 | /** |
641574bc | 255 | * Returns true if the trace background should be drawn with a colored background. |
48995388 | 256 | */ |
641574bc | 257 | bool colored_bg() const; |
48995388 | 258 | |
051ba3b3 UH |
259 | /** |
260 | * Enable or disable showing sampling points. | |
261 | */ | |
262 | void enable_show_sampling_points(bool state); | |
263 | ||
8ad61f40 UH |
264 | /** |
265 | * Enable or disable showing the analog minor grid. | |
266 | */ | |
267 | void enable_show_analog_minor_grid(bool state); | |
268 | ||
f76af637 JH |
269 | /** |
270 | * Returns true if cursors are displayed. false otherwise. | |
271 | */ | |
272 | bool cursors_shown() const; | |
273 | ||
274 | /** | |
275 | * Shows or hides the cursors. | |
276 | */ | |
277 | void show_cursors(bool show = true); | |
278 | ||
b4d91e56 JH |
279 | /** |
280 | * Moves the cursors to a convenient position in the view. | |
281 | */ | |
282 | void centre_cursors(); | |
283 | ||
f76af637 JH |
284 | /** |
285 | * Returns a reference to the pair of cursors. | |
286 | */ | |
6f925ba9 | 287 | shared_ptr<CursorPair> cursors() const; |
58864c5c | 288 | |
8914fe79 JH |
289 | /** |
290 | * Adds a new flag at a specified time. | |
291 | */ | |
60d9b99a | 292 | void add_flag(const pv::util::Timestamp& time); |
8914fe79 JH |
293 | |
294 | /** | |
295 | * Removes a flag from the list. | |
296 | */ | |
6f925ba9 | 297 | void remove_flag(shared_ptr<Flag> flag); |
8914fe79 JH |
298 | |
299 | /** | |
300 | * Gets the list of flags. | |
301 | */ | |
6f925ba9 | 302 | vector< shared_ptr<Flag> > flags() const; |
8914fe79 | 303 | |
cbd80f64 JH |
304 | const QPoint& hover_point() const; |
305 | ||
eeceee99 SA |
306 | /** |
307 | * Determines the closest level change (i.e. edge) to a given point, which | |
308 | * is useful for e.g. the "snap to edge" functionality. | |
309 | * | |
310 | * @param p The current position of the mouse cursor | |
311 | * @return The sample number of the nearest level change or -1 if none | |
312 | */ | |
313 | int64_t get_nearest_level_change(const QPoint &p) const; | |
314 | ||
af503b10 | 315 | void restack_all_trace_tree_items(); |
9cef9567 | 316 | |
cbd9ec7f SA |
317 | int header_width() const; |
318 | ||
d0c0573b SA |
319 | void on_setting_changed(const QString &key, const QVariant &value); |
320 | ||
e9213170 | 321 | Q_SIGNALS: |
873e8035 | 322 | void hover_point_changed(const QPoint &hp); |
cbd80f64 | 323 | |
8b454527 JH |
324 | void selection_changed(); |
325 | ||
4b0af0b6 JS |
326 | /// Emitted when the offset changed. |
327 | void offset_changed(); | |
328 | ||
329 | /// Emitted when the scale changed. | |
330 | void scale_changed(); | |
e0fc5810 | 331 | |
c7b03d9d SA |
332 | void sticky_scrolling_changed(bool state); |
333 | ||
ce11b2ea SA |
334 | void always_zoom_to_fit_changed(bool state); |
335 | ||
4b0af0b6 JS |
336 | /// Emitted when the tick_prefix changed. |
337 | void tick_prefix_changed(); | |
338 | ||
339 | /// Emitted when the tick_precision changed. | |
340 | void tick_precision_changed(); | |
341 | ||
342 | /// Emitted when the tick_period changed. | |
343 | void tick_period_changed(); | |
344 | ||
345 | /// Emitted when the time_unit changed. | |
346 | void time_unit_changed(); | |
347 | ||
7daebd05 SA |
348 | /// Emitted when the currently selected segment changed |
349 | void segment_changed(int segment_id); | |
350 | ||
351 | /// Emitted when the multi-segment display mode changed | |
89914a86 SA |
352 | /// @param mode is a value of Trace::SegmentDisplayMode |
353 | void segment_display_mode_changed(int mode, bool segment_selectable); | |
7daebd05 | 354 | |
e4e5a958 SA |
355 | /// Emitted when the cursors are shown/hidden |
356 | void cursor_state_changed(bool show); | |
357 | ||
48257a69 | 358 | public Q_SLOTS: |
7ea2a4ff | 359 | void trigger_event(int segment_id, util::Timestamp location); |
48257a69 | 360 | |
adb4b10c | 361 | private: |
60d9b99a | 362 | void get_scroll_layout(double &length, pv::util::Timestamp &offset) const; |
3925091a JH |
363 | |
364 | /** | |
365 | * Simultaneously sets the zoom and offset. | |
366 | * @param scale The scale to set the view to in seconds per pixel. This | |
367 | * value is clamped between MinScale and MaxScale. | |
368 | * @param offset The offset of the left edge of the view in seconds. | |
369 | */ | |
d1e7d82c JH |
370 | void set_zoom(double scale, int offset); |
371 | ||
361c560e JH |
372 | /** |
373 | * Find a tick spacing and number formatting that does not cause | |
374 | * the values to collide. | |
375 | */ | |
376 | void calculate_tick_spacing(); | |
377 | ||
8a5fd81f SA |
378 | void adjust_top_margin(); |
379 | ||
adb4b10c JH |
380 | void update_scroll(); |
381 | ||
925763b0 SA |
382 | void reset_scroll(); |
383 | ||
384 | void set_scroll_default(); | |
385 | ||
9510aea0 | 386 | void determine_if_header_was_shrunk(); |
76750c41 | 387 | |
60c426a0 | 388 | void resize_header_to_fit(); |
33094993 | 389 | |
d7c0ca4a JH |
390 | void update_layout(); |
391 | ||
af503b10 | 392 | TraceTreeItemOwner* find_prevalent_trace_group( |
6f925ba9 UH |
393 | const shared_ptr<sigrok::ChannelGroup> &group, |
394 | const unordered_map<shared_ptr<data::SignalBase>, | |
395 | shared_ptr<Signal> > &signal_map); | |
cf124e47 | 396 | |
6f925ba9 | 397 | static vector< shared_ptr<Trace> > |
cf124e47 | 398 | extract_new_traces_for_channels( |
6f925ba9 UH |
399 | const vector< shared_ptr<sigrok::Channel> > &channels, |
400 | const unordered_map<shared_ptr<data::SignalBase>, | |
401 | shared_ptr<Signal> > &signal_map, | |
402 | set< shared_ptr<Trace> > &add_list); | |
448a72cf | 403 | |
ef454ad5 SA |
404 | void determine_time_unit(); |
405 | ||
cbd80f64 JH |
406 | bool eventFilter(QObject *object, QEvent *event); |
407 | ||
d9b55cc8 SA |
408 | virtual void contextMenuEvent(QContextMenuEvent *event); |
409 | ||
d9ea9628 | 410 | void resizeEvent(QResizeEvent *event); |
adb4b10c | 411 | |
873e8035 SA |
412 | void update_hover_point(); |
413 | ||
32218d3e | 414 | public: |
6e2c3c85 | 415 | void row_item_appearance_changed(bool label, bool content); |
98cfe4e8 | 416 | void time_item_appearance_changed(bool label, bool content); |
32218d3e JH |
417 | |
418 | void extents_changed(bool horz, bool vert); | |
419 | ||
e9213170 | 420 | private Q_SLOTS: |
cbd80f64 | 421 | |
00c518d6 | 422 | void on_signal_name_changed(); |
e0be5f21 | 423 | void on_splitter_moved(); |
2a9fcd62 | 424 | |
b16907d3 | 425 | void h_scroll_value_changed(int value); |
f8400017 | 426 | void v_scroll_value_changed(); |
adb4b10c | 427 | |
69dd2b03 | 428 | void signals_changed(); |
7ee199a7 | 429 | void capture_state_updated(int state); |
adb4b10c | 430 | |
4e86ec70 | 431 | void on_new_segment(int new_segment_id); |
558ad6ce | 432 | void on_segment_completed(int new_segment_id); |
526c8c00 SA |
433 | void on_segment_changed(int segment); |
434 | ||
451dc5f3 SA |
435 | void on_settingViewTriggerIsZeroTime_changed(const QVariant new_value); |
436 | ||
5ed05b69 | 437 | virtual void perform_delayed_view_update(); |
c7b03d9d | 438 | |
32218d3e | 439 | void process_sticky_events(); |
d7c0ca4a | 440 | |
4b0af0b6 | 441 | /** |
ffc00fdd | 442 | * Sets the 'offset_' and ruler_offset_ members and emits the 'offset_changed' |
4b0af0b6 JS |
443 | * signal if needed. |
444 | */ | |
451dc5f3 | 445 | void set_offset(const pv::util::Timestamp& offset, bool force_update = false); |
4b0af0b6 JS |
446 | |
447 | /** | |
448 | * Sets the 'scale_' member and emits the 'scale_changed' | |
449 | * signal if needed. | |
450 | */ | |
451 | void set_scale(double scale); | |
452 | ||
453 | /** | |
454 | * Sets the 'tick_prefix_' member and emits the 'tick_prefix_changed' | |
455 | * signal if needed. | |
456 | */ | |
457 | void set_tick_prefix(pv::util::SIPrefix tick_prefix); | |
458 | ||
459 | /** | |
460 | * Sets the 'tick_precision_' member and emits the 'tick_precision_changed' | |
461 | * signal if needed. | |
462 | */ | |
463 | void set_tick_precision(unsigned tick_precision); | |
464 | ||
465 | /** | |
466 | * Sets the 'tick_period_' member and emits the 'tick_period_changed' | |
467 | * signal if needed. | |
468 | */ | |
c677193d | 469 | void set_tick_period(const pv::util::Timestamp& tick_period); |
4b0af0b6 JS |
470 | |
471 | /** | |
472 | * Sets the 'time_unit' member and emits the 'time_unit_changed' | |
473 | * signal if needed. | |
474 | */ | |
475 | void set_time_unit(pv::util::TimeUnit time_unit); | |
476 | ||
558ad6ce SA |
477 | /** |
478 | * Sets the current segment with the first segment starting at 0. | |
479 | */ | |
480 | void set_current_segment(uint32_t segment_id); | |
481 | ||
adb4b10c | 482 | private: |
33094993 | 483 | CustomScrollArea *scrollarea_; |
8dbbc7f0 JH |
484 | Viewport *viewport_; |
485 | Ruler *ruler_; | |
8dbbc7f0 | 486 | Header *header_; |
33094993 | 487 | QSplitter *splitter_; |
adb4b10c | 488 | |
6f925ba9 | 489 | unordered_set< shared_ptr<Signal> > signals_; |
47e9e7bb | 490 | |
bb7dd726 | 491 | #ifdef ENABLE_DECODE |
6f925ba9 | 492 | vector< shared_ptr<DecodeTrace> > decode_traces_; |
bb7dd726 SA |
493 | #endif |
494 | ||
7daebd05 SA |
495 | Trace::SegmentDisplayMode segment_display_mode_; |
496 | ||
497 | /// Signals whether the user can change the currently shown segment. | |
498 | bool segment_selectable_; | |
526c8c00 | 499 | |
e2f5223b | 500 | /// The view time scale in seconds per pixel. |
8dbbc7f0 | 501 | double scale_; |
e2f5223b | 502 | |
ffc00fdd | 503 | /// The internal view version of the time offset in seconds. |
60d9b99a | 504 | pv::util::Timestamp offset_; |
ffc00fdd C |
505 | /// The ruler version of the time offset in seconds. |
506 | pv::util::Timestamp ruler_offset_; | |
adb4b10c | 507 | |
8dbbc7f0 | 508 | bool updating_scroll_; |
4cc2e925 | 509 | bool settings_restored_; |
9510aea0 | 510 | bool header_was_shrunk_; |
4cc2e925 | 511 | |
c7b03d9d | 512 | bool sticky_scrolling_; |
641574bc | 513 | bool colored_bg_; |
ce11b2ea | 514 | bool always_zoom_to_fit_; |
cbd80f64 | 515 | |
c677193d | 516 | pv::util::Timestamp tick_period_; |
d001f416 | 517 | pv::util::SIPrefix tick_prefix_; |
4a076157 | 518 | unsigned int minor_tick_count_; |
d40f4db7 | 519 | unsigned int tick_precision_; |
ef454ad5 | 520 | util::TimeUnit time_unit_; |
361c560e | 521 | |
8dbbc7f0 | 522 | bool show_cursors_; |
6f925ba9 | 523 | shared_ptr<CursorPair> cursors_; |
f76af637 | 524 | |
6f925ba9 | 525 | list< shared_ptr<Flag> > flags_; |
8914fe79 JH |
526 | char next_flag_text_; |
527 | ||
6f925ba9 | 528 | vector< shared_ptr<TriggerMarker> > trigger_markers_; |
1a2288a1 | 529 | |
8dbbc7f0 | 530 | QPoint hover_point_; |
eeceee99 | 531 | shared_ptr<Signal> signal_under_mouse_cursor_; |
fb641801 | 532 | uint16_t snap_distance_; |
32218d3e | 533 | |
8dbbc7f0 JH |
534 | unsigned int sticky_events_; |
535 | QTimer lazy_event_handler_; | |
925763b0 SA |
536 | |
537 | // This is true when the defaults couldn't be set due to insufficient info | |
e62bee73 | 538 | bool scroll_needs_defaults_; |
39ab01e7 SA |
539 | |
540 | // A nonzero value indicates the v offset to restore. See View::resizeEvent() | |
541 | int saved_v_offset_; | |
28ceff25 SA |
542 | |
543 | // These are used to determine whether the view was altered after acq started | |
544 | double scale_at_acq_start_; | |
545 | pv::util::Timestamp offset_at_acq_start_; | |
546 | ||
547 | // Used to suppress performing a "zoom to fit" when the session stops. This | |
548 | // is needed when the view's settings are restored before acquisition ends. | |
549 | // In that case we want to keep the restored settings, not have a "zoom to fit" | |
550 | // mess them up. | |
551 | bool suppress_zoom_to_fit_after_acq_; | |
adb4b10c JH |
552 | }; |
553 | ||
1573bf16 | 554 | } // namespace trace |
f4e57597 | 555 | } // namespace views |
cdf7bea7 JH |
556 | } // namespace pv |
557 | ||
f4e57597 | 558 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEW_HPP |