2 * This file is part of the PulseView project.
4 * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net>
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.
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.
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/>.
20 #include "globalsettings.hpp"
22 #include <QApplication>
25 #include <QFontMetrics>
34 const QString GlobalSettings::Key_View_ZoomToFitDuringAcq = "View_ZoomToFitDuringAcq";
35 const QString GlobalSettings::Key_View_ZoomToFitAfterAcq = "View_ZoomToFitAfterAcq";
36 const QString GlobalSettings::Key_View_TriggerIsZeroTime = "View_TriggerIsZeroTime";
37 const QString GlobalSettings::Key_View_ColoredBG = "View_ColoredBG";
38 const QString GlobalSettings::Key_View_StickyScrolling = "View_StickyScrolling";
39 const QString GlobalSettings::Key_View_ShowSamplingPoints = "View_ShowSamplingPoints";
40 const QString GlobalSettings::Key_View_FillSignalHighAreas = "View_FillSignalHighAreas";
41 const QString GlobalSettings::Key_View_FillSignalHighAreaColor = "View_FillSignalHighAreaColor";
42 const QString GlobalSettings::Key_View_ShowAnalogMinorGrid = "View_ShowAnalogMinorGrid";
43 const QString GlobalSettings::Key_View_ConversionThresholdDispMode = "View_ConversionThresholdDispMode";
44 const QString GlobalSettings::Key_View_DefaultDivHeight = "View_DefaultDivHeight";
45 const QString GlobalSettings::Key_View_DefaultLogicHeight = "View_DefaultLogicHeight";
46 const QString GlobalSettings::Key_View_ShowHoverMarker = "View_ShowHoverMarker";
47 const QString GlobalSettings::Key_View_SnapDistance = "View_SnapDistance";
48 const QString GlobalSettings::Key_Dec_InitialStateConfigurable = "Dec_InitialStateConfigurable";
49 const QString GlobalSettings::Key_Dec_ExportFormat = "Dec_ExportFormat";
50 const QString GlobalSettings::Key_Log_BufferSize = "Log_BufferSize";
51 const QString GlobalSettings::Key_Log_NotifyOfStacktrace = "Log_NotifyOfStacktrace";
53 vector<GlobalSettingsInterface*> GlobalSettings::callbacks_;
54 bool GlobalSettings::tracking_ = false;
55 map<QString, QVariant> GlobalSettings::tracked_changes_;
57 GlobalSettings::GlobalSettings() :
60 beginGroup("Settings");
63 void GlobalSettings::set_defaults_where_needed()
65 // Enable zoom-to-fit after acquisition by default
66 if (!contains(Key_View_ZoomToFitAfterAcq))
67 setValue(Key_View_ZoomToFitAfterAcq, true);
69 // Enable colored trace backgrounds by default
70 if (!contains(Key_View_ColoredBG))
71 setValue(Key_View_ColoredBG, true);
73 // Enable showing sampling points by default
74 if (!contains(Key_View_ShowSamplingPoints))
75 setValue(Key_View_ShowSamplingPoints, true);
77 // Enable filling logic signal high areas by default
78 if (!contains(Key_View_FillSignalHighAreas))
79 setValue(Key_View_FillSignalHighAreas, true);
80 if (!contains(Key_View_FillSignalHighAreaColor))
81 setValue(Key_View_FillSignalHighAreaColor,
82 QColor(0, 0, 0, 5 * 256 / 100).rgba());
84 if (!contains(Key_View_DefaultDivHeight))
85 setValue(Key_View_DefaultDivHeight,
86 3 * QFontMetrics(QApplication::font()).height());
88 if (!contains(Key_View_DefaultLogicHeight))
89 setValue(Key_View_DefaultLogicHeight,
90 2 * QFontMetrics(QApplication::font()).height());
92 if (!contains(Key_View_SnapDistance))
93 setValue(Key_View_SnapDistance, 15);
95 if (!contains(Key_Dec_ExportFormat))
96 setValue(Key_Dec_ExportFormat, "%s %d: %c: %1");
98 // Default to 500 lines of backlog
99 if (!contains(Key_Log_BufferSize))
100 setValue(Key_Log_BufferSize, 500);
102 // Notify user of existing stack trace by default
103 if (!contains(Key_Log_NotifyOfStacktrace))
104 setValue(Key_Log_NotifyOfStacktrace, true);
107 void GlobalSettings::add_change_handler(GlobalSettingsInterface *cb)
109 callbacks_.push_back(cb);
112 void GlobalSettings::remove_change_handler(GlobalSettingsInterface *cb)
114 for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
116 callbacks_.erase(cb_it);
121 void GlobalSettings::setValue(const QString &key, const QVariant &value)
123 // Save previous value if we're tracking changes,
124 // not altering an already-existing saved setting
126 tracked_changes_.emplace(key, QSettings::value(key));
128 QSettings::setValue(key, value);
130 // TODO Emulate noquote()
131 qDebug() << "Setting" << key << "changed to" << value;
133 // Call all registered callbacks
134 for (GlobalSettingsInterface *cb : callbacks_)
135 cb->on_setting_changed(key, value);
138 void GlobalSettings::start_tracking()
141 tracked_changes_.clear();
144 void GlobalSettings::stop_tracking()
147 tracked_changes_.clear();
150 void GlobalSettings::undo_tracked_changes()
154 for (auto entry : tracked_changes_)
155 setValue(entry.first, entry.second);
157 tracked_changes_.clear();
160 void GlobalSettings::store_gvariant(QSettings &settings, GVariant *v)
162 const GVariantType *var_type = g_variant_get_type(v);
163 char *var_type_str = g_variant_type_dup_string(var_type);
165 QByteArray var_data = QByteArray((const char*)g_variant_get_data(v),
166 g_variant_get_size(v));
168 settings.setValue("value", var_data);
169 settings.setValue("type", var_type_str);
171 g_free(var_type_str);
174 GVariant* GlobalSettings::restore_gvariant(QSettings &settings)
176 QString raw_type = settings.value("type").toString();
177 GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
179 QByteArray data = settings.value("value").toByteArray();
181 gpointer var_data = g_memdup((gconstpointer)data.constData(),
184 GVariant *value = g_variant_new_from_data(var_type, var_data,
185 data.size(), false, g_free, var_data);
187 g_variant_type_free(var_type);
192 void GlobalSettings::store_variantbase(QSettings &settings, Glib::VariantBase v)
194 const QByteArray var_data = QByteArray((const char*)v.get_data(), v.get_size());
196 settings.setValue("value", var_data);
197 settings.setValue("type", QString::fromStdString(v.get_type_string()));
200 Glib::VariantBase GlobalSettings::restore_variantbase(QSettings &settings)
202 QString raw_type = settings.value("type").toString();
203 GVariantType *var_type = g_variant_type_new(raw_type.toUtf8());
205 QByteArray data = settings.value("value").toByteArray();
207 gpointer var_data = g_memdup((gconstpointer)data.constData(),
210 GVariant *value = g_variant_new_from_data(var_type, var_data,
211 data.size(), false, g_free, var_data);
213 Glib::VariantBase ret_val = Glib::VariantBase(value, true);
215 g_variant_type_free(var_type);
216 g_variant_unref(value);