QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
Loading...
Searching...
No Matches
qgssettingsproxy.h
Go to the documentation of this file.
1/***************************************************************************
2 qgssettingsproxy.h
3 --------------------------------------
4 Date : January 2024
5 Copyright : (C) 2024 by Nyall Dawson
6 Email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSSETTINGSPROXY_H
17#define QGSSETTINGSPROXY_H
18
19#define SIP_NO_FILE
20
21#include "qgis_core.h"
22#include "qgssettings.h"
23#include <optional>
24
34class CORE_EXPORT QgsSettingsProxy
35{
36 public:
37
44 explicit QgsSettingsProxy( QgsSettings *settings = nullptr );
45
50 {
51 return mOwnedSettings.has_value() ? &( mOwnedSettings.value() ) : mNonOwnedSettings;
52 }
53
58 {
59 return mOwnedSettings.has_value() ? mOwnedSettings.value() : *mNonOwnedSettings;
60 }
61
62 private:
63
64 QgsSettings *mNonOwnedSettings = nullptr;
65 std::optional< QgsSettings > mOwnedSettings;
66
67};
68#endif // QGSSETTINGSPROXY_H
A helper class for access to either a temporary QgsSettings object or the thread local object.
QgsSettings * operator->()
Returns a pointer to the proxied QgsSettings object.
This class is a composition of two QSettings instances:
Definition qgssettings.h:64
QgsMargins operator*(const QgsMargins &margins, double factor)
Returns a QgsMargins object that is formed by multiplying each component of the given margins by fact...
Definition qgsmargins.h:241