Rework the settings dialog. Rework all of it. Thoroughly.

Also introduces the ColumnResizer from:
https://github.com/agateau/columnresizer/

gui/pages/global/MinecraftPage.cpp

@@ -0,0 +1,104 @@
+/* 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 "MinecraftPage.h"
+#include "ui_MinecraftPage.h"
+
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QDir>
+
+#include <pathutils.h>
+
+#include "gui/Platform.h"
+#include "gui/dialogs/VersionSelectDialog.h"
+#include "gui/dialogs/CustomMessageBox.h"
+
+#include "logic/NagUtils.h"
+
+#include "logic/java/JavaUtils.h"
+#include "logic/java/JavaVersionList.h"
+#include "logic/java/JavaChecker.h"
+
+#include "logic/updater/UpdateChecker.h"
+
+#include "logic/tools/BaseProfiler.h"
+
+#include "logic/settings/SettingsObject.h"
+#include "MultiMC.h"
+
+MinecraftPage::MinecraftPage(QWidget *parent) : QWidget(parent), ui(new Ui::MinecraftPage)
+{
+	ui->setupUi(this);
+	ui->tabWidget->tabBar()->hide();
+	loadSettings();
+	updateCheckboxStuff();
+}
+
+MinecraftPage::~MinecraftPage()
+{
+	delete ui;
+}
+
+bool MinecraftPage::apply()
+{
+	applySettings();
+	return true;
+}
+
+void MinecraftPage::updateCheckboxStuff()
+{
+	ui->windowWidthSpinBox->setEnabled(!ui->maximizedCheckBox->isChecked());
+	ui->windowHeightSpinBox->setEnabled(!ui->maximizedCheckBox->isChecked());
+}
+
+void MinecraftPage::on_maximizedCheckBox_clicked(bool checked)
+{
+	Q_UNUSED(checked);
+	updateCheckboxStuff();
+}
+
+
+void MinecraftPage::applySettings()
+{
+	auto s = MMC->settings();
+	// Minecraft version updates
+	s->set("AutoUpdateMinecraftVersions", ui->autoupdateMinecraft->isChecked());
+
+	// Console
+	s->set("ShowConsole", ui->showConsoleCheck->isChecked());
+	s->set("AutoCloseConsole", ui->autoCloseConsoleCheck->isChecked());
+
+	// Window Size
+	s->set("LaunchMaximized", ui->maximizedCheckBox->isChecked());
+	s->set("MinecraftWinWidth", ui->windowWidthSpinBox->value());
+	s->set("MinecraftWinHeight", ui->windowHeightSpinBox->value());
+}
+
+void MinecraftPage::loadSettings()
+{
+	auto s = MMC->settings();
+	// Minecraft version updates
+	ui->autoupdateMinecraft->setChecked(s->get("AutoUpdateMinecraftVersions").toBool());
+	
+	// Console
+	ui->showConsoleCheck->setChecked(s->get("ShowConsole").toBool());
+	ui->autoCloseConsoleCheck->setChecked(s->get("AutoCloseConsole").toBool());
+
+	// Window Size
+	ui->maximizedCheckBox->setChecked(s->get("LaunchMaximized").toBool());
+	ui->windowWidthSpinBox->setValue(s->get("MinecraftWinWidth").toInt());
+	ui->windowHeightSpinBox->setValue(s->get("MinecraftWinHeight").toInt());
+}