netctl: add opt-in host IPv4 connectivity and launcher toggle

src/launcher/forms/configuration_edit_dialog.ui

@@ -329,6 +329,23 @@
        </item>
       </layout>
      </widget>
+     <widget class="QWidget" name="network_tab">
+      <attribute name="title"><string>Network</string></attribute>
+      <layout class="QVBoxLayout" name="networkTabLayout">
+       <item>
+        <widget class="QCheckBox" name="checkBox_network_connected">
+         <property name="toolTip"><string>Let games use your computer's local network connection.</string></property>
+         <property name="text"><string>Enable network connection</string></property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="networkSpacer">
+         <property name="orientation"><enum>Qt::Vertical</enum></property>
+         <property name="sizeHint" stdset="0"><size><width>20</width><height>40</height></size></property>
+        </spacer>
+       </item>
+      </layout>
+     </widget>
      <widget class="QWidget" name="debug_tab">
       <attribute name="title"><string>Debug</string></attribute>
       <layout class="QVBoxLayout" name="debugTabLayout">

src/launcher/include/configuration.h

@@ -124,6 +124,7 @@ public:
 	bool                   tessellation_enabled        = false;
 	bool                   trophy_enabled              = true;
 	bool                   skip_notice_screen          = false;
+	bool                   network_connected           = false;
 	int                    vblank_frequency            = 60;
 	int                    console_language            = DEFAULT_CONSOLE_LANGUAGE;
 	bool                   vulkan_validation_enabled   = false;
@@ -160,6 +161,7 @@ public:
 		tessellation_enabled        = other.tessellation_enabled;
 		trophy_enabled              = other.trophy_enabled;
 		skip_notice_screen          = other.skip_notice_screen;
+		network_connected           = other.network_connected;
 		vblank_frequency            = other.vblank_frequency;
 		console_language            = other.console_language;
 		vulkan_validation_enabled   = other.vulkan_validation_enabled;

src/launcher/src/configuration.cpp

@@ -17,6 +17,7 @@ QVariantMap Configuration::GameSettings() const {
 	KYTY_CFG_SET(tessellation_enabled);
 	KYTY_CFG_SET(trophy_enabled);
 	KYTY_CFG_SET(skip_notice_screen);
+	KYTY_CFG_SET(network_connected);
 	KYTY_CFG_SET(vblank_frequency);
 	KYTY_CFG_SET(console_language);
 	KYTY_CFG_SET(vulkan_validation_enabled);
@@ -63,6 +64,7 @@ void Configuration::ReadGameSettingsValues(const Settings& s) {
 	KYTY_CFG_GET(tessellation_enabled);
 	trophy_enabled   = s.value("trophy_enabled", trophy_enabled).toBool();
 	KYTY_CFG_GET(skip_notice_screen);
+	KYTY_CFG_GET(network_connected);
 	vblank_frequency = s.value("vblank_frequency", vblank_frequency).toInt();
 	console_language = s.value("console_language", console_language).toInt();
 	if (console_language < 0 || console_language > MAX_CONSOLE_LANGUAGE) {

src/launcher/src/configurationEditDialog.cpp

@@ -279,6 +279,7 @@ void ConfigurationEditDialog::Init(const Configuration& info) {
 	m_ui->checkBox_sync_raw_image_buffers->setChecked(info.sync_raw_image_buffers);
 	m_ui->checkBox_tessellation->setChecked(info.tessellation_enabled);
 	m_ui->checkBox_skip_notice_screen->setChecked(info.skip_notice_screen);
+	m_ui->checkBox_network_connected->setChecked(info.network_connected);
 	m_ui->checkBox_trophy_notifications->setChecked(info.trophy_enabled);
 	m_ui->spinBox_vblank_frequency->setValue(info.vblank_frequency);
 	m_ui->comboBox_console_language->clear();
@@ -441,6 +442,7 @@ static void UpdateInfo(Configuration& info, Ui::ConfigurationEditDialog& ui, boo
 	info.sync_raw_image_buffers    = ui.checkBox_sync_raw_image_buffers->isChecked();
 	info.tessellation_enabled      = ui.checkBox_tessellation->isChecked();
 	info.skip_notice_screen        = ui.checkBox_skip_notice_screen->isChecked();
+	info.network_connected         = ui.checkBox_network_connected->isChecked();
 	info.trophy_enabled            = ui.checkBox_trophy_notifications->isChecked();
 	info.vblank_frequency          = ui.spinBox_vblank_frequency->value();
 	info.console_language          = ui.comboBox_console_language->currentIndex();

src/launcher/src/mainDialog.cpp

@@ -255,6 +255,7 @@ static QStringList CreateEmulatorArgs(const Configuration& info) {
 	args << "--sync-raw-image-buffers" << BoolArg(info.sync_raw_image_buffers);
 	args << "--trophy-notifications" << BoolArg(info.trophy_enabled);
 	args << "--skip-notice-screen" << BoolArg(info.skip_notice_screen);
+	args << "--network-connected" << BoolArg(info.network_connected);
 	if (info.tessellation_enabled) {
 		args << "--tessellation";
 	}