Qt: Expose configuration directory

CHANGES

@@ -40,6 +40,7 @@ Misc:
  - GBA I/O: Clear JOYSTAT RECV flag when reading JOY_RECV registers
  - GBA I/O: Set JOYSTAT TRANS flag when writing JOY_TRANS registers
  - Qt: Improved HiDPI support
+ - Qt: Expose configuration directory
 
 0.5.2: (2016-12-31)
 Bugfixes:

src/platform/qt/ConfigController.cpp

@@ -94,7 +94,8 @@ ConfigController::ConfigController(QObject* parent)
 {
 	char path[PATH_MAX];
 	mCoreConfigDirectory(path, sizeof(path));
-	QString fileName(path);
+	m_configDir = QString::fromUtf8(path);
+	QString fileName = (m_configDir);
 	fileName.append(QDir::separator());
 	fileName.append("qt.ini");
 	m_settings = new QSettings(fileName, QSettings::IniFormat, this);
@@ -269,9 +270,7 @@ void ConfigController::write() {
 void ConfigController::makePortable() {
 	mCoreConfigMakePortable(&m_config);
 
-	char path[PATH_MAX];
-	mCoreConfigDirectory(path, sizeof(path));
-	QString fileName(path);
+	QString fileName(m_configDir);
 	fileName.append(QDir::separator());
 	fileName.append("qt.ini");
 	QSettings* settings2 = new QSettings(fileName, QSettings::IniFormat, this);

src/platform/qt/ConfigController.h

@@ -84,6 +84,8 @@ public:
 
 	const mCoreConfig* config() { return &m_config; }
 
+	const QString& configDir() { return m_configDir; }
+
 public slots:
 	void setOption(const char* key, bool value);
 	void setOption(const char* key, int value);
@@ -103,6 +105,7 @@ private:
 
 	QMap<QString, ConfigOption*> m_optionSet;
 	QSettings* m_settings;
+	QString m_configDir;
 };
 
 }