Skip to content
Permalink
Browse files

Add utility class for automatic scope handling for app options widget…

… factories
  • Loading branch information
nyalldawson committed Oct 5, 2020
1 parent 483c4cd commit 28245ef32b32f6d130cf81ac620ed192bca05496
@@ -198,6 +198,7 @@ SET(QGIS_APP_SRCS
locator/qgslocatoroptionswidget.cpp

options/qgsoptions.cpp
options/qgsoptionsutils.cpp

gps/qgsgpsbearingitem.cpp
gps/qgsgpsinformationwidget.cpp
@@ -20,9 +20,9 @@ class QgsDevToolWidgetFactory;
#include <memory>

/**
* \ingroup core
* \ingroup app
*
* Manages lifetime of a QgsScopedDevToolWidgetFactory, automatically
* Manages lifetime of a QgsDevToolWidgetFactory, automatically
* registering and unregistering it as required.
*
* \since QGIS 3.14
@@ -0,0 +1,36 @@
/***************************************************************************
qgsoptionsutils.cpp
-------------------------
begin : September 2020
copyright : (C) 2020 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsoptionsutils.h"

#include "qgisapp.h"
#include "qgis.h"
#include "qgsoptionswidgetfactory.h"

QgsScopedOptionsWidgetFactory::QgsScopedOptionsWidgetFactory() = default;

QgsScopedOptionsWidgetFactory::~QgsScopedOptionsWidgetFactory()
{
if ( mFactory )
QgisApp::instance()->unregisterOptionsWidgetFactory( mFactory.get() );
}

void QgsScopedOptionsWidgetFactory::reset( std::unique_ptr<QgsOptionsWidgetFactory> factory )
{
if ( mFactory )
QgisApp::instance()->unregisterOptionsWidgetFactory( mFactory.get() );
mFactory = std::move( factory );
if ( mFactory )
QgisApp::instance()->registerOptionsWidgetFactory( mFactory.get() );
}
@@ -0,0 +1,42 @@
/***************************************************************************
qgsoptionsutils.h
-------------------------
begin : September 2020
copyright : (C) 2020 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSOPTIONSUTILS_H
#define QGSOPTIONSUTILS_H

class QgsOptionsWidgetFactory;
#include <memory>

/**
* \ingroup app
*
* Manages lifetime of a QgsOptionsWidgetFactory, automatically
* registering and unregistering it as required.
*
* \since QGIS 3.16
*/
class QgsScopedOptionsWidgetFactory
{
public:
QgsScopedOptionsWidgetFactory();
~QgsScopedOptionsWidgetFactory();

void reset( std::unique_ptr< QgsOptionsWidgetFactory > factory = nullptr );

private:
std::unique_ptr< QgsOptionsWidgetFactory > mFactory;
};


#endif // QGSOPTIONSUTILS_H

0 comments on commit 28245ef

Please sign in to comment.
You can’t perform that action at this time.