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bf9f1268 SA |
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 | ||
bf9f1268 SA |
23 | #include <map> |
24 | ||
d3feec23 SA |
25 | #include <glib.h> |
26 | ||
bf9f1268 SA |
27 | #include <QSettings> |
28 | #include <QString> | |
29 | #include <QVariant> | |
30 | ||
6f925ba9 | 31 | using std::map; |
d0c0573b | 32 | using std::vector; |
6f925ba9 | 33 | |
bf9f1268 SA |
34 | namespace pv { |
35 | ||
d0c0573b SA |
36 | class GlobalSettingsInterface |
37 | { | |
38 | public: | |
39 | virtual void on_setting_changed(const QString &key, const QVariant &value) = 0; | |
40 | }; | |
41 | ||
42 | ||
bf9f1268 SA |
43 | class GlobalSettings : public QSettings |
44 | { | |
45 | Q_OBJECT | |
46 | ||
47 | public: | |
e91fb166 | 48 | static const QString Key_View_ZoomToFitDuringAcq; |
28ceff25 | 49 | static const QString Key_View_ZoomToFitAfterAcq; |
ffc00fdd | 50 | static const QString Key_View_TriggerIsZeroTime; |
bf9f1268 | 51 | static const QString Key_View_ColouredBG; |
87a97d8a | 52 | static const QString Key_View_StickyScrolling; |
051ba3b3 | 53 | static const QString Key_View_ShowSamplingPoints; |
8ad61f40 | 54 | static const QString Key_View_ShowAnalogMinorGrid; |
90ee1ed9 | 55 | static const QString Key_View_ConversionThresholdDispMode; |
daa54986 | 56 | static const QString Key_View_DefaultDivHeight; |
48051ccb | 57 | static const QString Key_View_DefaultLogicHeight; |
1cc1c8de | 58 | static const QString Key_Dec_InitialStateConfigurable; |
bf9f1268 | 59 | |
90ee1ed9 SA |
60 | enum ConvThrDispMode { |
61 | ConvThrDispMode_None = 0, | |
62 | ConvThrDispMode_Background, | |
63 | ConvThrDispMode_Dots | |
64 | }; | |
65 | ||
bf9f1268 SA |
66 | public: |
67 | GlobalSettings(); | |
68 | ||
c031de4b SA |
69 | void set_defaults_where_needed(); |
70 | ||
d0c0573b SA |
71 | static void add_change_handler(GlobalSettingsInterface *cb); |
72 | static void remove_change_handler(GlobalSettingsInterface *cb); | |
bf9f1268 SA |
73 | |
74 | void setValue(const QString& key, const QVariant& value); | |
75 | ||
2cca9ebf SA |
76 | /** |
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. | |
80 | */ | |
81 | void start_tracking(); | |
82 | ||
83 | /** | |
84 | * Ends the tracking of changes without any changes to the settings. | |
85 | */ | |
86 | void stop_tracking(); | |
87 | ||
88 | /** | |
89 | * Ends the tracking of changes, undoing the changes since the | |
90 | * change tracking began. | |
91 | */ | |
92 | void undo_tracked_changes(); | |
93 | ||
d3feec23 SA |
94 | static void store_gvariant(QSettings &settings, GVariant *v); |
95 | ||
96 | static GVariant* restore_gvariant(QSettings &settings); | |
97 | ||
bf9f1268 | 98 | private: |
d0c0573b | 99 | static vector<GlobalSettingsInterface*> callbacks_; |
2cca9ebf SA |
100 | |
101 | static bool tracking_; | |
6f925ba9 | 102 | static map<QString, QVariant> tracked_changes_; |
bf9f1268 SA |
103 | }; |
104 | ||
105 | } // namespace pv | |
106 | ||
107 | #endif // PULSEVIEW_GLOBALSETTINGS_HPP |