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 #ifndef PULSEVIEW_GLOBALSETTINGS_HPP
21 #define PULSEVIEW_GLOBALSETTINGS_HPP
36 class GlobalSettingsInterface
39 virtual void on_setting_changed(const QString &key, const QVariant &value) = 0;
43 class GlobalSettings : public QSettings
48 static const QString Key_View_ZoomToFitDuringAcq;
49 static const QString Key_View_ZoomToFitAfterAcq;
50 static const QString Key_View_TriggerIsZeroTime;
51 static const QString Key_View_ColouredBG;
52 static const QString Key_View_StickyScrolling;
53 static const QString Key_View_ShowSamplingPoints;
54 static const QString Key_View_ShowAnalogMinorGrid;
55 static const QString Key_View_ConversionThresholdDispMode;
56 static const QString Key_View_DefaultDivHeight;
57 static const QString Key_View_DefaultLogicHeight;
58 static const QString Key_Dec_InitialStateConfigurable;
60 enum ConvThrDispMode {
61 ConvThrDispMode_None = 0,
62 ConvThrDispMode_Background,
69 void set_defaults_where_needed();
71 static void add_change_handler(GlobalSettingsInterface *cb);
72 static void remove_change_handler(GlobalSettingsInterface *cb);
74 void setValue(const QString& key, const QVariant& value);
77 * Begins the tracking of changes. All changes will
78 * be recorded until stop_tracking() is called.
79 * The change tracking is global and doesn't support nesting.
81 void start_tracking();
84 * Ends the tracking of changes without any changes to the settings.
89 * Ends the tracking of changes, undoing the changes since the
90 * change tracking began.
92 void undo_tracked_changes();
94 static void store_gvariant(QSettings &settings, GVariant *v);
96 static GVariant* restore_gvariant(QSettings &settings);
99 static vector<GlobalSettingsInterface*> callbacks_;
101 static bool tracking_;
102 static map<QString, QVariant> tracked_changes_;
107 #endif // PULSEVIEW_GLOBALSETTINGS_HPP