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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 | ||
20 | #ifndef PULSEVIEW_GLOBALSETTINGS_HPP | |
21 | #define PULSEVIEW_GLOBALSETTINGS_HPP | |
22 | ||
23 | #include <functional> | |
24 | #include <map> | |
25 | ||
26 | #include <QSettings> | |
27 | #include <QString> | |
28 | #include <QVariant> | |
29 | ||
6f925ba9 UH |
30 | using std::function; |
31 | using std::map; | |
32 | using std::multimap; | |
33 | ||
bf9f1268 SA |
34 | namespace pv { |
35 | ||
36 | class GlobalSettings : public QSettings | |
37 | { | |
38 | Q_OBJECT | |
39 | ||
40 | public: | |
e91fb166 | 41 | static const QString Key_View_ZoomToFitDuringAcq; |
28ceff25 | 42 | static const QString Key_View_ZoomToFitAfterAcq; |
bf9f1268 | 43 | static const QString Key_View_ColouredBG; |
87a97d8a | 44 | static const QString Key_View_StickyScrolling; |
051ba3b3 | 45 | static const QString Key_View_ShowSamplingPoints; |
8ad61f40 | 46 | static const QString Key_View_ShowAnalogMinorGrid; |
1cc1c8de | 47 | static const QString Key_Dec_InitialStateConfigurable; |
bf9f1268 SA |
48 | |
49 | public: | |
50 | GlobalSettings(); | |
51 | ||
c031de4b SA |
52 | void set_defaults_where_needed(); |
53 | ||
bf9f1268 | 54 | static void register_change_handler(const QString key, |
6f925ba9 | 55 | function<void(QVariant)> cb); |
bf9f1268 SA |
56 | |
57 | void setValue(const QString& key, const QVariant& value); | |
58 | ||
2cca9ebf SA |
59 | /** |
60 | * Begins the tracking of changes. All changes will | |
61 | * be recorded until stop_tracking() is called. | |
62 | * The change tracking is global and doesn't support nesting. | |
63 | */ | |
64 | void start_tracking(); | |
65 | ||
66 | /** | |
67 | * Ends the tracking of changes without any changes to the settings. | |
68 | */ | |
69 | void stop_tracking(); | |
70 | ||
71 | /** | |
72 | * Ends the tracking of changes, undoing the changes since the | |
73 | * change tracking began. | |
74 | */ | |
75 | void undo_tracked_changes(); | |
76 | ||
bf9f1268 | 77 | private: |
6f925ba9 | 78 | static multimap< QString, function<void(QVariant)> > callbacks_; |
2cca9ebf SA |
79 | |
80 | static bool tracking_; | |
6f925ba9 | 81 | static map<QString, QVariant> tracked_changes_; |
bf9f1268 SA |
82 | }; |
83 | ||
84 | } // namespace pv | |
85 | ||
86 | #endif // PULSEVIEW_GLOBALSETTINGS_HPP |