alexpete
103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <AzCore/PlatformIncl.h>
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#include <AzQtComponents/Utilities/QtPluginPaths.h>
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#include <QApplication>
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#include <QDir>
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#include <QSettings>
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#include <QJsonDocument>
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#include <QJsonArray>
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#include <QJsonObject>
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#include <QFile>
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#include <QJsonValue>
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#include <AzCore/base.h>
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#include <AzCore/IO/SystemFile.h>
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#include <AzCore/StringFunc/StringFunc.h>
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#include <AzCore/Utils/Utils.h>
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#if defined(__APPLE__)
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// needed for _NSGetExecutablePath
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#include <mach-o/dyld.h>
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#include <libgen.h>
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#include <unistd.h>
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#endif
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#if defined(AZ_PLATFORM_LINUX)
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#include <libgen.h>
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#include <unistd.h>
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#endif
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namespace AzQtComponents
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{
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// the purpose of this function is to set up the QT globals so that it finds its platform libraries and that kind of thing.
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// these paths have to be set up BEFORE you create the Qt application itself, otherwise it won't know how to work on your current platform
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// since it will be missing the plugin for your current platform (windows/osx/etc)
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void PrepareQtPaths()
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{
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#if !defined(USE_DEFAULT_QT_LIBRARY_PATHS)
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char executablePath[AZ_MAX_PATH_LEN];
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AZ::Utils::GetExecutablePathReturnType result = AZ::Utils::GetExecutablePath(executablePath, AZ_MAX_PATH_LEN);
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if (result.m_pathStored == AZ::Utils::ExecutablePathResult::Success)
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{
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if (result.m_pathIncludesFilename)
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{
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char* lastSlashAddress = strrchr(executablePath, AZ_CORRECT_FILESYSTEM_SEPARATOR);
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if (lastSlashAddress == executablePath)
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{
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executablePath[1] = '\0'; //Executable directory is root, therefore set the following character to \0
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}
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else
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{
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*lastSlashAddress = '\0';
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}
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}
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QApplication::addLibraryPath(executablePath);
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}
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else
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{
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QApplication::addLibraryPath(".");
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}
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#endif
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}
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QString FindEngineRootDir(QApplication* app)
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{
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// The QApplication must be initialized before this method is called
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// so it must be passed in as a parameter, even if we don't use it.
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(void)app;
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// Attempt to locate the engine by looking for 'engineroot.txt' and walking up the folder path until it is found (or not)
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QDir appPath(QApplication::applicationDirPath());
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QString engineRootPath;
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while (!appPath.isRoot())
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{
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if (QFile::exists(appPath.filePath("engine.json")))
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{
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engineRootPath = appPath.absolutePath();
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break;
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}
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if (!appPath.cdUp())
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{
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break;
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}
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}
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return engineRootPath;
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}
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} // namespace AzQtComponents
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