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Add support for using a portable directory without special build flags. (#1956)

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This commit is contained in:
Steveice10
2024-01-24 01:27:25 -08:00
committed by GitHub
parent 77274735d6
commit 4b576d066e
3 changed files with 45 additions and 49 deletions
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78
src/frontend/qt_sdl/Platform.cpp
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@ -21,6 +21,7 @@
#include <string.h>
#include <string>
#include <QCoreApplication>
#include <QStandardPaths>
#include <QString>
#include <QDateTime>
@ -60,6 +61,42 @@ void emuStop();
namespace melonDS::Platform
{
void PathInit(int argc, char** argv)
{
// First, check for the portable directory next to the executable.
QString appdirpath = QCoreApplication::applicationDirPath();
QString portablepath = appdirpath + QDir::separator() + "portable";
#if defined(__APPLE__)
// On Apple platforms we may need to navigate outside an app bundle.
// The executable directory would be "melonDS.app/Contents/MacOS", so we need to go a total of three steps up.
QDir bundledir(appdirpath);
if (bundledir.cd("..") && bundledir.cd("..") && bundledir.dirName().endsWith(".app") && bundledir.cd(".."))
{
portablepath = bundledir.absolutePath() + QDir::separator() + "portable";
}
#endif
QDir portabledir(portablepath);
if (portabledir.exists())
{
EmuDirectory = portabledir.absolutePath().toStdString();
}
else
{
// If no overrides are specified, use the default path.
#if defined(__WIN32__) && defined(WIN32_PORTABLE)
EmuDirectory = appdirpath.toStdString();
#else
QString confdir;
QDir config(QStandardPaths::writableLocation(QStandardPaths::ConfigLocation));
config.mkdir("melonDS");
confdir = config.absolutePath() + QDir::separator() + "melonDS";
EmuDirectory = confdir.toStdString();
#endif
}
}
QSharedMemory* IPCBuffer = nullptr;
int IPCInstanceID;
@ -133,38 +170,7 @@ void IPCDeInit()
void Init(int argc, char** argv)
{
#if defined(__WIN32__) || defined(PORTABLE)
if (argc > 0 && strlen(argv[0]) > 0)
{
int len = strlen(argv[0]);
while (len > 0)
{
if (argv[0][len] == '/') break;
if (argv[0][len] == '\\') break;
len--;
}
if (len > 0)
{
std::string emudir = argv[0];
EmuDirectory = emudir.substr(0, len);
}
else
{
EmuDirectory = ".";
}
}
else
{
EmuDirectory = ".";
}
#else
QString confdir;
QDir config(QStandardPaths::writableLocation(QStandardPaths::ConfigLocation));
config.mkdir("melonDS");
confdir = config.absolutePath() + "/melonDS/";
EmuDirectory = confdir.toStdString();
#endif
PathInit(argc, argv);
IPCInit();
}
@ -284,15 +290,7 @@ FileHandle* OpenLocalFile(const std::string& path, FileMode mode)
}
else
{
#ifdef PORTABLE
fullpath = QString::fromStdString(EmuDirectory) + QDir::separator() + qpath;
#else
// Check user configuration directory
QDir config(QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation));
config.mkdir("melonDS");
fullpath = config.absolutePath() + "/melonDS/";
fullpath.append(qpath);
#endif
}
return OpenFile(fullpath.toStdString(), mode);