Qt: Allow opening game folder.

Qt/QtMain.cpp

@@ -5,6 +5,7 @@
 // Qt 4.7+ / 5.0+ implementation of the framework.
 // Currently supports: Android, Linux, Windows, Mac OSX
 
+#include "ppsspp_config.h"
 #include <QApplication>
 #include <QClipboard>
 #include <QDesktopWidget>
@@ -41,6 +42,7 @@
 #include "Common/Data/Text/I18n.h"
 #include "Common/Thread/ThreadUtil.h"
 #include "Common/Data/Encoding/Utf8.h"
+#include "Common/StringUtils.h"
 #include "Core/Config.h"
 #include "Core/ConfigValues.h"
 #include "Core/HW/Camera.h"
@@ -280,7 +282,7 @@ void Vibrate(int length_ms) {
 }
 
 void OpenDirectory(const char *path) {
-	// Unsupported
+	QDesktopServices::openUrl(QUrl::fromLocalFile(QString::fromUtf8(path)));
 }
 
 void LaunchBrowser(const char *url)

UI/GameScreen.cpp

@@ -168,7 +168,7 @@ void GameScreen::CreateViews() {
 	if (isRecentGame(gamePath_)) {
 		rightColumnItems->Add(AddOtherChoice(new Choice(ga->T("Remove From Recent"))))->OnClick.Handle(this, &GameScreen::OnRemoveFromRecent);
 	}
-#if PPSSPP_PLATFORM(WINDOWS) && !PPSSPP_PLATFORM(UWP)
+#if (defined(USING_QT_UI) || PPSSPP_PLATFORM(WINDOWS)) && !PPSSPP_PLATFORM(UWP)
 	rightColumnItems->Add(AddOtherChoice(new Choice(ga->T("Show In Folder"))))->OnClick.Handle(this, &GameScreen::OnShowInFolder);
 #endif
 	if (g_Config.bEnableCheats) {