Implemented the view folder buttons on the main window.

CMakeLists.txt

@@ -112,6 +112,7 @@ gui/modeditwindow.cpp
 gui/settingsdialog.cpp
 
 util/pathutils.cpp
+util/osutils.cpp
 
 java/javautils.cpp
 java/annotations.cpp
@@ -131,6 +132,7 @@ data/version.h
 
 util/apputils.h
 util/pathutils.h
+util/osutils.h
 
 multimc_pragma.h
 

gui/mainwindow.cpp

@@ -19,7 +19,9 @@
 #include <QDesktopServices>
 #include <QUrl>
 
+#include "util/osutils.h"
 #include "gui/settingsdialog.h"
+#include "data/appsettings.h"
 #include "data/version.h"
 
 MainWindow::MainWindow(QWidget *parent) :
@@ -46,7 +48,7 @@ void MainWindow::on_actionAddInstance_triggered()
 
 void MainWindow::on_actionViewInstanceFolder_triggered()
 {
-	
+	openInDefaultProgram(settings->getInstanceDir());
 }
 
 void MainWindow::on_actionRefresh_triggered()
@@ -56,7 +58,7 @@ void MainWindow::on_actionRefresh_triggered()
 
 void MainWindow::on_actionViewCentralModsFolder_triggered()
 {
-	
+	openInDefaultProgram(settings->getCentralModsDir());
 }
 
 void MainWindow::on_actionCheckUpdate_triggered()

util/osutils.cpp

@@ -0,0 +1,25 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "osutils.h"
+
+#include <QDesktopServices>
+#include <QUrl>
+#include <QFileInfo>
+
+void openInDefaultProgram(QString filename)
+{
+	QDesktopServices::openUrl("file:///" + QFileInfo(filename).absolutePath());
+}

util/osutils.h

@@ -16,6 +16,8 @@
 #ifndef OSUTILS_H
 #define OSUTILS_H
 
+#include <QString>
+
 #if defined _WIN32 | defined _WIN64
 #define WINDOWS	1
 #elif __APPLE__ & __MACH__
@@ -24,4 +26,7 @@
 #define LINUX 1
 #endif
 
+// Opens the given file in the default application.
+void openInDefaultProgram(QString filename);
+
 #endif // OSUTILS_H