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Fix #1629 by not reallocating DecodeSegments
[pulseview.git] / pv / globalsettings.cpp
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1/*
2 * This file is part of the PulseView project.
3 *
4 * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
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
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20#include <boost/archive/text_iarchive.hpp>
21#include <boost/archive/text_oarchive.hpp>
22#include <boost/serialization/serialization.hpp>
bf9f1268 23
daa54986 24#include <QApplication>
4521022b 25#include <QColor>
7ba25e4f 26#include <QDebug>
37b0bd35 27#include <QFile>
daa54986 28#include <QFontMetrics>
37b0bd35 29#include <QPixmapCache>
d3feec23 30#include <QString>
374c697f 31#include <QStyle>
43be386b 32#include <QtGlobal>
d3feec23 33
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34#include "globalsettings.hpp"
35#include "application.hpp"
36
6f925ba9 37using std::map;
37b0bd35 38using std::pair;
1325ce42 39using std::string;
e887fe9e 40using std::stringstream;
d0c0573b 41using std::vector;
6f925ba9 42
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43namespace pv {
44
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45const vector< pair<QString, QString> > Themes {
46 {"None" , ""},
47 {"QDarkStyleSheet", ":/themes/qdarkstyle/style.qss"},
48 {"DarkStyle", ":/themes/darkstyle/darkstyle.qss"}
49};
50
0466001b 51const QString GlobalSettings::Key_General_Language = "General_Language";
37b0bd35 52const QString GlobalSettings::Key_General_Theme = "General_Theme";
374c697f 53const QString GlobalSettings::Key_General_Style = "General_Style";
8962d7b3 54const QString GlobalSettings::Key_General_SaveWithSetup = "General_SaveWithSetup";
5d58e6ce 55const QString GlobalSettings::Key_General_StartAllSessions = "General_StartAllSessions";
e91fb166 56const QString GlobalSettings::Key_View_ZoomToFitDuringAcq = "View_ZoomToFitDuringAcq";
28ceff25 57const QString GlobalSettings::Key_View_ZoomToFitAfterAcq = "View_ZoomToFitAfterAcq";
ffc00fdd 58const QString GlobalSettings::Key_View_TriggerIsZeroTime = "View_TriggerIsZeroTime";
641574bc 59const QString GlobalSettings::Key_View_ColoredBG = "View_ColoredBG";
87a97d8a 60const QString GlobalSettings::Key_View_StickyScrolling = "View_StickyScrolling";
051ba3b3 61const QString GlobalSettings::Key_View_ShowSamplingPoints = "View_ShowSamplingPoints";
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62const QString GlobalSettings::Key_View_FillSignalHighAreas = "View_FillSignalHighAreas";
63const QString GlobalSettings::Key_View_FillSignalHighAreaColor = "View_FillSignalHighAreaColor";
8ad61f40 64const QString GlobalSettings::Key_View_ShowAnalogMinorGrid = "View_ShowAnalogMinorGrid";
90ee1ed9 65const QString GlobalSettings::Key_View_ConversionThresholdDispMode = "View_ConversionThresholdDispMode";
daa54986 66const QString GlobalSettings::Key_View_DefaultDivHeight = "View_DefaultDivHeight";
48051ccb 67const QString GlobalSettings::Key_View_DefaultLogicHeight = "View_DefaultLogicHeight";
1931b5f9 68const QString GlobalSettings::Key_View_ShowHoverMarker = "View_ShowHoverMarker";
fb641801 69const QString GlobalSettings::Key_View_SnapDistance = "View_SnapDistance";
c04f5a29 70const QString GlobalSettings::Key_View_CursorFillColor = "View_CursorFillColor";
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71const QString GlobalSettings::Key_View_CursorShowFrequency = "View_CursorShowFrequency";
72const QString GlobalSettings::Key_View_CursorShowInterval = "View_CursorShowInterval";
a3c57f44 73const QString GlobalSettings::Key_View_CursorShowSamples = "View_CursorShowSamples";
1cc1c8de 74const QString GlobalSettings::Key_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
1ed996b4 75const QString GlobalSettings::Key_Dec_ExportFormat = "Dec_ExportFormat";
ab185f78 76const QString GlobalSettings::Key_Dec_AlwaysShowAllRows = "Dec_AlwaysShowAllRows";
bcb4c327 77const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
c5d6200c 78const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";
bf9f1268 79
d0c0573b 80vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
2cca9ebf 81bool GlobalSettings::tracking_ = false;
c6b4e925 82bool GlobalSettings::is_dark_theme_ = false;
6f925ba9 83map<QString, QVariant> GlobalSettings::tracked_changes_;
374c697f 84QString GlobalSettings::default_style_;
37b0bd35 85QPalette GlobalSettings::default_palette_;
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86
87GlobalSettings::GlobalSettings() :
c6b4e925 88 QSettings()
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89{
90 beginGroup("Settings");
91}
92
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93void GlobalSettings::save_internal_defaults()
94{
95 default_style_ = qApp->style()->objectName();
96 if (default_style_.isEmpty())
97 default_style_ = "fusion";
98
99 default_palette_ = QApplication::palette();
100}
101
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102void GlobalSettings::set_defaults_where_needed()
103{
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104 if (!contains(Key_General_Language)) {
105 // Determine and set default UI language
49fee853 106 QString language = QLocale().uiLanguages().first(); // May return e.g. en-Latn-US // clazy:exclude=detaching-temporary
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107 language = language.split("-").first();
108
109 setValue(Key_General_Language, language);
d8036995 110 apply_language();
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111 }
112
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113 // Use no theme by default
114 if (!contains(Key_General_Theme))
115 setValue(Key_General_Theme, 0);
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116 if (!contains(Key_General_Style))
117 setValue(Key_General_Style, "");
37b0bd35 118
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119 // Save setup with .sr files by default
120 if (!contains(Key_General_SaveWithSetup))
121 setValue(Key_General_SaveWithSetup, true);
122
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123 // Enable zoom-to-fit after acquisition by default
124 if (!contains(Key_View_ZoomToFitAfterAcq))
125 setValue(Key_View_ZoomToFitAfterAcq, true);
126
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127 // Enable colored trace backgrounds by default
128 if (!contains(Key_View_ColoredBG))
129 setValue(Key_View_ColoredBG, true);
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130
131 // Enable showing sampling points by default
132 if (!contains(Key_View_ShowSamplingPoints))
133 setValue(Key_View_ShowSamplingPoints, true);
daa54986 134
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135 // Enable filling logic signal high areas by default
136 if (!contains(Key_View_FillSignalHighAreas))
137 setValue(Key_View_FillSignalHighAreas, true);
4521022b 138
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139 if (!contains(Key_View_DefaultDivHeight))
140 setValue(Key_View_DefaultDivHeight,
141 3 * QFontMetrics(QApplication::font()).height());
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142
143 if (!contains(Key_View_DefaultLogicHeight))
144 setValue(Key_View_DefaultLogicHeight,
145 2 * QFontMetrics(QApplication::font()).height());
bcb4c327 146
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147 if (!contains(Key_View_ShowHoverMarker))
148 setValue(Key_View_ShowHoverMarker, true);
149
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150 if (!contains(Key_View_SnapDistance))
151 setValue(Key_View_SnapDistance, 15);
152
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153 if (!contains(Key_View_CursorShowInterval))
154 setValue(Key_View_CursorShowInterval, true);
155
156 if (!contains(Key_View_CursorShowFrequency))
157 setValue(Key_View_CursorShowFrequency, true);
158
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159 // %c was used for the row name in the past so we need to transition such users
160 if (!contains(Key_Dec_ExportFormat) ||
161 value(Key_Dec_ExportFormat).toString() == "%s %d: %c: %1")
162 setValue(Key_Dec_ExportFormat, "%s %d: %r: %1");
1ed996b4 163
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164 // Default to 500 lines of backlog
165 if (!contains(Key_Log_BufferSize))
166 setValue(Key_Log_BufferSize, 500);
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167
168 // Notify user of existing stack trace by default
169 if (!contains(Key_Log_NotifyOfStacktrace))
170 setValue(Key_Log_NotifyOfStacktrace, true);
a42d2514 171
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172 // Default theme is bright, so use its color scheme if undefined
173 if (!contains(Key_View_CursorFillColor))
174 set_bright_theme_default_colors();
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175}
176
a42d2514 177void GlobalSettings::set_bright_theme_default_colors()
37b0bd35 178{
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179 setValue(Key_View_FillSignalHighAreaColor,
180 QColor(0, 0, 0, 5 * 256 / 100).rgba());
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181
182 setValue(Key_View_CursorFillColor,
183 QColor(220, 231, 243).rgba());
a42d2514 184}
374c697f 185
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186void GlobalSettings::set_dark_theme_default_colors()
187{
188 setValue(Key_View_FillSignalHighAreaColor,
189 QColor(188, 188, 188, 9 * 256 / 100).rgba());
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190
191 setValue(Key_View_CursorFillColor,
192 QColor(60, 60, 60).rgba());
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193}
194
195bool GlobalSettings::current_theme_is_dark()
196{
197 return is_dark_theme_;
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198}
199
200void GlobalSettings::apply_theme()
201{
202 QString theme_name = Themes.at(value(Key_General_Theme).toInt()).first;
203 QString resource_name = Themes.at(value(Key_General_Theme).toInt()).second;
204
205 if (!resource_name.isEmpty()) {
206 QFile file(resource_name);
207 file.open(QFile::ReadOnly | QFile::Text);
208 qApp->setStyleSheet(file.readAll());
209 } else
210 qApp->setStyleSheet("");
211
212 qApp->setPalette(default_palette_);
213
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214 const QString style = value(Key_General_Style).toString();
215 if (style.isEmpty())
216 qApp->setStyle(default_style_);
217 else
218 qApp->setStyle(style);
219
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220 is_dark_theme_ = false;
221
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222 if (theme_name.compare("QDarkStyleSheet") == 0) {
223 QPalette dark_palette;
224 dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
225 dark_palette.setColor(QPalette::WindowText, Qt::white);
226 dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
227 dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
228 dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
229 qApp->setPalette(dark_palette);
a42d2514 230 is_dark_theme_ = true;
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231 } else if (theme_name.compare("DarkStyle") == 0) {
232 QPalette dark_palette;
233 dark_palette.setColor(QPalette::Window, QColor(53, 53, 53));
234 dark_palette.setColor(QPalette::WindowText, Qt::white);
235 dark_palette.setColor(QPalette::Disabled, QPalette::WindowText, QColor(127, 127, 127));
236 dark_palette.setColor(QPalette::Base, QColor(42, 42, 42));
237 dark_palette.setColor(QPalette::AlternateBase, QColor(66, 66, 66));
238 dark_palette.setColor(QPalette::ToolTipBase, Qt::white);
239 dark_palette.setColor(QPalette::ToolTipText, QColor(53, 53, 53));
240 dark_palette.setColor(QPalette::Text, Qt::white);
241 dark_palette.setColor(QPalette::Disabled, QPalette::Text, QColor(127, 127, 127));
242 dark_palette.setColor(QPalette::Dark, QColor(35, 35, 35));
243 dark_palette.setColor(QPalette::Shadow, QColor(20, 20, 20));
244 dark_palette.setColor(QPalette::Button, QColor(53, 53, 53));
245 dark_palette.setColor(QPalette::ButtonText, Qt::white);
246 dark_palette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(127, 127, 127));
247 dark_palette.setColor(QPalette::BrightText, Qt::red);
248 dark_palette.setColor(QPalette::Link, QColor(42, 130, 218));
249 dark_palette.setColor(QPalette::Highlight, QColor(42, 130, 218));
250 dark_palette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(80, 80, 80));
251 dark_palette.setColor(QPalette::HighlightedText, Qt::white);
252 dark_palette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(127, 127, 127));
253 qApp->setPalette(dark_palette);
a42d2514 254 is_dark_theme_ = true;
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255 }
256
257 QPixmapCache::clear();
258}
259
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260void GlobalSettings::apply_language()
261{
262 Application* a = qobject_cast<Application*>(QApplication::instance());
263 a->switch_language(value(Key_General_Language).toString());
264}
265
d0c0573b 266void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
bf9f1268 267{
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268 callbacks_.push_back(cb);
269}
270
271void GlobalSettings::remove_change_handler(GlobalSettingsInterface *cb)
272{
273 for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
274 if (*cb_it == cb) {
275 callbacks_.erase(cb_it);
276 break;
277 }
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278}
279
280void GlobalSettings::setValue(const QString &key, const QVariant &value)
281{
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282 // Save previous value if we're tracking changes,
283 // not altering an already-existing saved setting
284 if (tracking_)
285 tracked_changes_.emplace(key, QSettings::value(key));
286
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287 QSettings::setValue(key, value);
288
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289 // TODO Emulate noquote()
290 qDebug() << "Setting" << key << "changed to" << value;
7ba25e4f 291
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292 // Call all registered callbacks
293 for (GlobalSettingsInterface *cb : callbacks_)
294 cb->on_setting_changed(key, value);
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295}
296
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297void GlobalSettings::start_tracking()
298{
299 tracking_ = true;
300 tracked_changes_.clear();
301}
302
303void GlobalSettings::stop_tracking()
304{
305 tracking_ = false;
306 tracked_changes_.clear();
307}
308
309void GlobalSettings::undo_tracked_changes()
310{
311 tracking_ = false;
312
f4ab4b5c 313 for (auto& entry : tracked_changes_)
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314 setValue(entry.first, entry.second);
315
316 tracked_changes_.clear();
317}
bf9f1268 318
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319void GlobalSettings::store_gvariant(QSettings &settings, GVariant *v)
320{
321 const GVariantType *var_type = g_variant_get_type(v);
322 char *var_type_str = g_variant_type_dup_string(var_type);
323
324 QByteArray var_data = QByteArray((const char*)g_variant_get_data(v),
325 g_variant_get_size(v));
326
327 settings.setValue("value", var_data);
328 settings.setValue("type", var_type_str);
329
330 g_free(var_type_str);
331}
332
333GVariant* GlobalSettings::restore_gvariant(QSettings &settings)
334{
335 QString raw_type = settings.value("type").toString();
336 GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
337
338 QByteArray data = settings.value("value").toByteArray();
339
340 gpointer var_data = g_memdup((gconstpointer)data.constData(),
341 (guint)data.size());
342
343 GVariant *value = g_variant_new_from_data(var_type, var_data,
344 data.size(), false, g_free, var_data);
345
346 g_variant_type_free(var_type);
347
348 return value;
349}
350
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351void GlobalSettings::store_variantbase(QSettings &settings, Glib::VariantBase v)
352{
353 const QByteArray var_data = QByteArray((const char*)v.get_data(), v.get_size());
354
355 settings.setValue("value", var_data);
356 settings.setValue("type", QString::fromStdString(v.get_type_string()));
357}
358
359Glib::VariantBase GlobalSettings::restore_variantbase(QSettings &settings)
360{
361 QString raw_type = settings.value("type").toString();
362 GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
363
364 QByteArray data = settings.value("value").toByteArray();
365
366 gpointer var_data = g_memdup((gconstpointer)data.constData(),
367 (guint)data.size());
368
369 GVariant *value = g_variant_new_from_data(var_type, var_data,
370 data.size(), false, g_free, var_data);
371
372 Glib::VariantBase ret_val = Glib::VariantBase(value, true);
373
374 g_variant_type_free(var_type);
375 g_variant_unref(value);
376
377 return ret_val;
378}
d3feec23 379
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380void GlobalSettings::store_timestamp(QSettings &settings, const char *name, const pv::util::Timestamp &ts)
381{
382 stringstream ss;
383 boost::archive::text_oarchive oa(ss);
384 oa << boost::serialization::make_nvp(name, ts);
385 settings.setValue(name, QString::fromStdString(ss.str()));
386}
387
388pv::util::Timestamp GlobalSettings::restore_timestamp(QSettings &settings, const char *name)
389{
390 util::Timestamp result;
391 stringstream ss;
392 ss << settings.value(name).toString().toStdString();
393
394 try {
395 boost::archive::text_iarchive ia(ss);
396 ia >> boost::serialization::make_nvp(name, result);
397 } catch (boost::archive::archive_exception&) {
398 qDebug() << "Could not restore setting" << name;
399 }
400
401 return result;
402}
403
bf9f1268 404} // namespace pv