optionsdialog.cpp
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optionsdialog.cpp
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	/*
	* Copyright (C) 2016 Christian Kaiser
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* as published by the Free Software Foundation; either version 2
	* of the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/
	#include <QCompleter>
	#include <QDate>
	#include <QDesktopServices>
	#include <QDesktopWidget>
	#include <QDirModel>
	#include <QFileDialog>
	#include <QKeyEvent>
	#include <QMessageBox>
	#include <QProcess>
	#include <QSettings>
	#include <QTimer>
	#include <QUrl>
	#include <QInputDialog>
	#include <QMenu>
	#include <QAction>

	#ifdef Q_OS_WIN
	#include <windows.h>
	#endif

	#include "optionsdialog.h"
	#include "namingdialog.h"
	#include "historydialog.h"
	#include "../tools/os.h"
	#include "../tools/screenshot.h"
	#include "../tools/screenshotmanager.h"
	#include "../tools/uploader/uploader.h"
	#include "../updater/updater.h"

	OptionsDialog::OptionsDialog(QWidget *parent) :
	QDialog(parent)
	{
	ui.setupUi(this);
	setModal(true);

	#if defined(Q_OS_LINUX)
	// KDE-specific style tweaks.
	if (qApp->style()->objectName() == "oxygen") {
	ui.browsePushButton->setMaximumWidth(30);
	ui.namingOptionsButton->setMaximumWidth(30);

	ui.fileGroupBox->setFlat(false);
	ui.startupGroupBox->setFlat(false);
	ui.capturesGroupBox->setFlat(false);
	ui.controlGroupBox->setFlat(false);
	ui.interfaceGroupBox->setFlat(false);
	ui.screenshotsGroupBox->setFlat(false);
	ui.previewGroupBox->setFlat(false);
	ui.updaterGroupBox->setFlat(false);
	ui.historyGroupBox->setFlat(false);
	ui.clipboardGroupBox->setFlat(false);

	ui.optionsTab->layout()->setContentsMargins(0, 0, 6, 0);
	ui.aboutTab->layout()->setMargin(8);
	}
	#endif

	QTimer::singleShot(0, this, SLOT(init()));
	QTimer::singleShot(1, this, SLOT(loadSettings()));
	}

	void OptionsDialog::accepted()
	{
	if (hotkeyCollision()) {
	QMessageBox::critical(this, tr("Hotkey conflict"), tr("You have assigned the same hotkeys to more than one action."));
	return;
	}

	if (ui.prefixLineEdit->text().contains(QRegExp("[?:\\\\/*\"<>\|]"))) {
	QMessageBox::critical(this, tr("Filename character error"), tr("The filename can't contain any of the following characters: ? : \\ / * \" < > \|"));
	return;
	}

	if (!ui.fileGroupBox->isChecked() && !ui.clipboardCheckBox->isChecked()) {
	QMessageBox::critical(this, tr("Final Destination"), tr("You can't take screenshots unless you enable either file saving or the clipboard."));
	return;
	}

	saveSettings();
	accept();
	}

	void OptionsDialog::checkUpdatesNow()
	{
	Updater updater;
	updater.checkWithFeedback();
	}

	void OptionsDialog::exportSettings()
	{
	QString exportFileName = QFileDialog::getSaveFileName(this,
	tr("Export Settings"),
	QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation) + QDir::separator() + "config.ini",
	tr("Lightscreen Settings (*.ini)"));

	if (exportFileName.isEmpty())
	return;

	if (QFile::exists(exportFileName)) {
	QFile::remove(exportFileName);
	}

	QSettings exportedSettings(exportFileName, QSettings::IniFormat);

	foreach(const QString &key, settings()->allKeys()) {
	exportedSettings.setValue(key, settings()->value(key));
	}
	}

	void OptionsDialog::imgurAuthorize()
	{ // TODO: Tuck this into Uploader
	if (ui.imgurAuthButton->text() == tr("Deauthorize"))
	{
	ui.imgurAuthUserLabel->setText(tr("<i>none</i>"));
	ui.imgurAuthButton->setText(tr("Authorize"));

	ui.imgurRefreshAlbumButton->setEnabled(false);
	ui.imgurAlbumComboBox->setEnabled(false);
	ui.imgurAlbumComboBox->clear();
	ui.imgurAlbumComboBox->addItem(tr("- None -"));

	settings()->setValue("upload/imgur/access_token", "");
	settings()->setValue("upload/imgur/refresh_token", "");
	settings()->setValue("upload/imgur/account_username", "");
	settings()->setValue("upload/imgur/expires_in", 0);
	return;
	}

	openUrl("https://api.imgur.com/oauth2/authorize?client_id=3ebe94c791445c1&response_type=pin"); //TODO: get the client-id from somewhere?

	bool ok;
	QString pin = QInputDialog::getText(this, tr("Imgur Authorization"),
	tr("PIN:"), QLineEdit::Normal,
	"", &ok);
	if (ok) {
	QByteArray parameters;
	parameters.append(QString("client_id=").toUtf8());
	parameters.append(QUrl::toPercentEncoding("3ebe94c791445c1"));
	parameters.append(QString("&client_secret=").toUtf8());
	parameters.append(QUrl::toPercentEncoding("0546b05d6a80b2092dcea86c57b792c9c9faebf0")); // TODO: TA.png
	parameters.append(QString("&grant_type=pin").toUtf8());
	parameters.append(QString("&pin=").toUtf8());
	parameters.append(QUrl::toPercentEncoding(pin));

	QNetworkRequest request(QUrl("https://api.imgur.com/oauth2/token"));
	request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");

	QNetworkReply* reply = Uploader::instance()->nam()->post(request, parameters);
	connect(reply, SIGNAL(finished()), this, SLOT(imgurToken()));

	ui.imgurAuthButton->setText(tr("Authorizing.."));
	ui.imgurAuthButton->setEnabled(false);
	}
	}

	void OptionsDialog::imgurToken()
	{
	QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
	ui.imgurAuthButton->setEnabled(true);

	if (reply->error() != QNetworkReply::NoError) {
	QMessageBox::critical(this, tr("Imgur Authorization Error"), tr("There's been an error authorizing your account with Imgur, please try again."));
	ui.imgurAuthButton->setText(tr("Authorize"));
	return;
	}

	QJsonObject imgurResponse = QJsonDocument::fromJson(reply->readAll()).object();

	settings()->setValue("upload/imgur/access_token" , imgurResponse.value("access_token").toString());
	settings()->setValue("upload/imgur/refresh_token" , imgurResponse.value("refresh_token").toString());
	settings()->setValue("upload/imgur/account_username", imgurResponse.value("account_username").toString());
	settings()->setValue("upload/imgur/expires_in" , imgurResponse.value("expires_in").toInt());
	settings()->sync();

	ui.imgurAuthUserLabel->setText("<b>" + imgurResponse.value("account_username").toString() + "</b>");
	ui.imgurAuthButton->setText(tr("Deauthorize"));

	QTimer::singleShot(0, this, &OptionsDialog::imgurRequestAlbumList);
	}

	void OptionsDialog::importSettings()
	{
	QString importFileName = QFileDialog::getOpenFileName(this,
	tr("Import Settings"),
	QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation),
	tr("Lightscreen Settings (*.ini)"));

	QSettings importedSettings(importFileName, QSettings::IniFormat);

	saveSettings();

	foreach(const QString &key, importedSettings.allKeys()) {
	if (settings()->contains(key))
	settings()->setValue(key, importedSettings.value(key));
	}

	loadSettings();
	}

	void OptionsDialog::imgurRequestAlbumList() {

	QString username = settings()->value("upload/imgur/account_username").toString();

	if (username.isEmpty()) {
	return;
	}

	ui.imgurRefreshAlbumButton->setEnabled(true);
	ui.imgurAlbumComboBox->clear();
	ui.imgurAlbumComboBox->setEnabled(false);
	ui.imgurAlbumComboBox->addItem(tr("Loading album data..."));

	QNetworkRequest request(QUrl("https://api.imgur.com/3/account/" + username + "/albums/"));
	request.setRawHeader("Authorization", QByteArray("Bearer ") + settings()->value("upload/imgur/access_token").toByteArray());

	QNetworkReply* reply = Uploader::instance()->nam()->get(request);
	connect(reply, SIGNAL(finished()), this, SLOT(imgurAlbumList()));
	}

	void OptionsDialog::imgurAlbumList() {
	QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());

	if (reply->error() != QNetworkReply::NoError) {
	if (reply->error() == QNetworkReply::ContentOperationNotPermittedError \|\|
	reply->error() == QNetworkReply::AuthenticationRequiredError) {
	Uploader::instance()->imgurAuthRefresh();
	}

	ui.imgurAlbumComboBox->addItem(tr("Loading failed :("));
	return;
	}

	QJsonObject imgurResponse = QJsonDocument::fromJson(reply->readAll()).object();

	if (imgurResponse["success"].toBool() != true \|\| imgurResponse["status"].toInt() != 200) {
	return;
	}

	QJsonArray albumList = imgurResponse["data"].toArray();

	ui.imgurAlbumComboBox->clear();
	ui.imgurAlbumComboBox->setEnabled(true);
	ui.imgurAlbumComboBox->addItem(tr("- None -"), "");
	ui.imgurRefreshAlbumButton->setEnabled(true);

	int settingsIndex = 0;

	foreach (const QJsonValue &albumValue, albumList) {
	QJsonObject album = albumValue.toObject();
	ui.imgurAlbumComboBox->addItem(album["title"].toString(), album["id"].toString());

	if (album["id"].toString() == settings()->value("upload/imgur/album").toString()) {
	settingsIndex = ui.imgurAlbumComboBox->count() - 1;
	}
	}

	ui.imgurAlbumComboBox->setCurrentIndex(settingsIndex);
	}

	void OptionsDialog::loadSettings()
	{
	settings()->sync();
	setUpdatesEnabled(false);

	if (!settings()->contains("file/format")) {
	// If there are no settings, get rid of the cancel button so that the user is forced to save them
	ui.buttonBox->clear();
	ui.buttonBox->addButton(QDialogButtonBox::Ok);
	}

	ui.startupCheckBox->toggle();
	ui.trayCheckBox->toggle();
	ui.previewAutocloseCheckBox->toggle();

	QString targetDefault;

	if (ScreenshotManager::instance()->portableMode()) {
	targetDefault = tr("Screenshots");
	}
	else {
	targetDefault = os::getDocumentsPath() + QDir::separator() + tr("Screenshots");
	}

	settings()->beginGroup("file");
	ui.formatComboBox->setCurrentIndex(settings()->value("format", 1).toInt());
	ui.prefixLineEdit->setText(settings()->value("prefix", tr("screenshot.")).toString());
	ui.namingComboBox->setCurrentIndex(settings()->value("naming", 0).toInt());
	ui.targetLineEdit->setText(settings()->value("target", targetDefault).toString());
	ui.fileGroupBox->setChecked(settings()->value("enabled", true).toBool());
	settings()->endGroup();

	settings()->beginGroup("options");
	ui.startupCheckBox->setChecked(settings()->value("startup", false).toBool());
	ui.startupHideCheckBox->setChecked(settings()->value("startupHide", true).toBool());
	ui.hideCheckBox->setChecked(settings()->value("hide", true).toBool());
	ui.delaySpinBox->setValue(settings()->value("delay", 0).toInt());
	flipToggled(settings()->value("flip", false).toBool());
	ui.trayCheckBox->setChecked(settings()->value("tray", true).toBool());
	ui.messageCheckBox->setChecked(settings()->value("message", true).toBool());
	ui.qualitySlider->setValue(settings()->value("quality", 100).toInt());
	ui.playSoundCheckBox->setChecked(settings()->value("playSound", false).toBool());
	ui.updaterCheckBox->setChecked(!settings()->value("disableUpdater", false).toBool());
	ui.magnifyCheckBox->setChecked(settings()->value("magnify", false).toBool());
	ui.cursorCheckBox->setChecked(settings()->value("cursor", true).toBool());
	ui.saveAsCheckBox->setChecked(settings()->value("saveAs", false).toBool());
	ui.previewGroupBox->setChecked(settings()->value("preview", false).toBool());
	ui.previewSizeSpinBox->setValue(settings()->value("previewSize", 300).toInt());
	ui.previewPositionComboBox->setCurrentIndex(settings()->value("previewPosition", 3).toInt());
	ui.previewAutocloseCheckBox->setChecked(settings()->value("previewAutoclose", false).toBool());
	ui.previewAutocloseTimeSpinBox->setValue(settings()->value("previewAutocloseTime", 15).toInt());
	ui.previewAutocloseActionComboBox->setCurrentIndex(settings()->value("previewAutocloseAction", 0).toInt());
	ui.previewDefaultActionComboBox->setCurrentIndex(settings()->value("previewDefaultAction", 0).toInt());
	ui.areaAutocloseCheckBox->setChecked(settings()->value("areaAutoclose", false).toBool());

	// History mode is neat for normal operation but I'll keep it disabled by default on portable mode.
	ui.historyCheckBox->setChecked(settings()->value("history", (ScreenshotManager::instance()->portableMode()) ? false : true).toBool());

	// Advanced
	ui.clipboardCheckBox->setChecked(settings()->value("clipboard", true).toBool());
	ui.imgurClipboardCheckBox->setChecked(settings()->value("imgurClipboard", false).toBool());
	ui.optiPngCheckBox->setChecked(settings()->value("optipng", true).toBool());
	ui.closeHideCheckBox->setChecked(settings()->value("closeHide", true).toBool());
	ui.currentMonitorCheckBox->setChecked(settings()->value("currentMonitor", false).toBool());
	ui.replaceCheckBox->setChecked(settings()->value("replace", false).toBool());
	ui.uploadCheckBox->setChecked(settings()->value("uploadAuto", false).toBool());

	#ifdef Q_OS_WIN
	if (!QFile::exists(qApp->applicationDirPath() + QDir::separator() + "optipng.exe")) {
	ui.optiPngCheckBox->setEnabled(false);
	ui.optiPngLabel->setText("optipng.exe not found");
	}
	#elif defined(Q_OS_LINUX)
	if (!QProcess::startDetached("optipng")) {
	ui.optiPngCheckBox->setChecked(false);
	ui.optiPngCheckBox->setEnabled(false);
	ui.optiPngLabel->setText(tr("Install 'OptiPNG'"));
	}

	//TODO: Sound cue support on Linux
	ui.playSoundCheckBox->setVisible(false);
	ui.playSoundCheckBox->setChecked(false);

	//TODO: Cursor support on X11
	ui.cursorCheckBox->setVisible(false);
	ui.cursorCheckBox->setChecked(false);
	#endif
	settings()->endGroup();

	settings()->beginGroup("actions");
	// This toggle is for the first run
	ui.screenCheckBox->toggle();
	ui.areaCheckBox->toggle();
	ui.windowCheckBox->toggle();
	ui.windowPickerCheckBox->toggle();
	ui.openCheckBox->toggle();
	ui.directoryCheckBox->toggle();

	settings()->beginGroup("screen");
	ui.screenCheckBox->setChecked(settings()->value("enabled", true).toBool());
	ui.screenHotkeyWidget->setHotkey(settings()->value("hotkey", "Print").toString());
	settings()->endGroup();

	settings()->beginGroup("area");
	ui.areaCheckBox->setChecked(settings()->value("enabled").toBool());
	ui.areaHotkeyWidget->setHotkey(settings()->value("hotkey", "Ctrl+Print").toString());
	settings()->endGroup();

	settings()->beginGroup("window");
	ui.windowCheckBox->setChecked(settings()->value("enabled").toBool());
	ui.windowHotkeyWidget->setHotkey(settings()->value("hotkey", "Alt+Print").toString());
	settings()->endGroup();

	settings()->beginGroup("windowPicker");
	ui.windowPickerCheckBox->setChecked(settings()->value("enabled").toBool());
	ui.windowPickerHotkeyWidget->setHotkey(settings()->value("hotkey", "Ctrl+Alt+Print").toString());
	settings()->endGroup();

	settings()->beginGroup("open");
	ui.openCheckBox->setChecked(settings()->value("enabled").toBool());
	ui.openHotkeyWidget->setHotkey(settings()->value("hotkey", "Ctrl+PgUp").toString());
	settings()->endGroup();

	settings()->beginGroup("directory");
	ui.directoryCheckBox->setChecked(settings()->value("enabled").toBool());
	ui.directoryHotkeyWidget->setHotkey(settings()->value("hotkey", "Ctrl+PgDown").toString());
	settings()->endGroup();
	settings()->endGroup();

	settings()->beginGroup("upload");
	//ui.serviceComboBox->setCurrentIndex(settings()->value("service").toInt());

	settings()->beginGroup("imgur");
	ui.imgurAuthGroupBox->setChecked(!settings()->value("anonymous", true).toBool());
	ui.imgurAuthUserLabel->setText(settings()->value("account_username", tr("<i>none</i>")).toString());

	if (settings()->value("account_username").toString().isEmpty()) {
	ui.imgurAuthUserLabel->setText(tr("<i>none</i>"));
	ui.imgurAlbumComboBox->setEnabled(false);
	ui.imgurRefreshAlbumButton->setEnabled(false);
	}
	else {
	ui.imgurAuthButton->setText(tr("Deauthorize"));
	ui.imgurAuthUserLabel->setText("<b>" + ui.imgurAuthUserLabel->text() + "</b>");
	ui.imgurRefreshAlbumButton->setEnabled(true);
	}
	settings()->endGroup();
	settings()->endGroup();

	QTimer::singleShot(0, this, SLOT(updatePreview()));
	QTimer::singleShot(1, this, SLOT(imgurRequestAlbumList()));

	setEnabled(true);
	setUpdatesEnabled(true);
	}

	void OptionsDialog::openUrl(QString url)
	{
	if (url == "#aboutqt") {
	qApp->aboutQt();
	}
	else {
	QDesktopServices::openUrl(QUrl(url));
	}
	}

	void OptionsDialog::saveSettings()
	{
	settings()->beginGroup("file");
	settings()->setValue("format", ui.formatComboBox->currentIndex());
	settings()->setValue("prefix", ui.prefixLineEdit->text());
	settings()->setValue("naming", ui.namingComboBox->currentIndex());
	settings()->setValue("target", ui.targetLineEdit->text());
	settings()->setValue("enabled", ui.fileGroupBox->isChecked());
	settings()->endGroup();

	settings()->beginGroup("options");
	settings()->setValue("startup", ui.startupCheckBox->isChecked());
	settings()->setValue("startupHide", ui.startupHideCheckBox->isChecked());
	settings()->setValue("hide", ui.hideCheckBox->isChecked());
	settings()->setValue("delay", ui.delaySpinBox->value());
	settings()->setValue("tray", ui.trayCheckBox->isChecked());
	settings()->setValue("message", ui.messageCheckBox->isChecked());
	settings()->setValue("quality", ui.qualitySlider->value());
	settings()->setValue("playSound", ui.playSoundCheckBox->isChecked());
	// This settings is inverted because the first iteration of the Updater did not have a settings but instead relied on the messagebox choice of the user.
	settings()->setValue("disableUpdater", !ui.updaterCheckBox->isChecked());
	settings()->setValue("magnify", ui.magnifyCheckBox->isChecked());
	settings()->setValue("cursor", ui.cursorCheckBox->isChecked());
	settings()->setValue("saveAs", ui.saveAsCheckBox->isChecked());
	settings()->setValue("preview", ui.previewGroupBox->isChecked());
	settings()->setValue("previewSize", ui.previewSizeSpinBox->value());
	settings()->setValue("previewPosition", ui.previewPositionComboBox->currentIndex());
	settings()->setValue("previewAutoclose", ui.previewAutocloseCheckBox->isChecked());
	settings()->setValue("previewAutocloseTime", ui.previewAutocloseTimeSpinBox->value());
	settings()->setValue("previewAutocloseAction", ui.previewAutocloseActionComboBox->currentIndex());
	settings()->setValue("previewDefaultAction", ui.previewDefaultActionComboBox->currentIndex());
	settings()->setValue("areaAutoclose", ui.areaAutocloseCheckBox->isChecked());
	settings()->setValue("history", ui.historyCheckBox->isChecked());

	// Advanced
	settings()->setValue("closeHide", ui.closeHideCheckBox->isChecked());
	settings()->setValue("clipboard", ui.clipboardCheckBox->isChecked());
	settings()->setValue("imgurClipboard", ui.imgurClipboardCheckBox->isChecked());
	settings()->setValue("optipng", ui.optiPngCheckBox->isChecked());
	settings()->setValue("currentMonitor", ui.currentMonitorCheckBox->isChecked());
	settings()->setValue("replace", ui.replaceCheckBox->isChecked());

	//Upload
	settings()->setValue("uploadAuto", ui.uploadCheckBox->isChecked());
	settings()->endGroup();

	settings()->beginGroup("actions");
	settings()->beginGroup("screen");
	settings()->setValue("enabled", ui.screenCheckBox->isChecked());
	settings()->setValue("hotkey" , ui.screenHotkeyWidget->hotkey());
	settings()->endGroup();

	settings()->beginGroup("area");
	settings()->setValue("enabled", ui.areaCheckBox->isChecked());
	settings()->setValue("hotkey" , ui.areaHotkeyWidget->hotkey());
	settings()->endGroup();

	settings()->beginGroup("window");
	settings()->setValue("enabled", ui.windowCheckBox->isChecked());
	settings()->setValue("hotkey" , ui.windowHotkeyWidget->hotkey());
	settings()->endGroup();

	settings()->beginGroup("windowPicker");
	settings()->setValue("enabled", ui.windowPickerCheckBox->isChecked());
	settings()->setValue("hotkey" , ui.windowPickerHotkeyWidget->hotkey());
	settings()->endGroup();

	settings()->beginGroup("open");
	settings()->setValue("enabled", ui.openCheckBox->isChecked());
	settings()->setValue("hotkey" , ui.openHotkeyWidget->hotkey());
	settings()->endGroup();

	settings()->beginGroup("directory");
	settings()->setValue("enabled", ui.directoryCheckBox->isChecked());
	settings()->setValue("hotkey" , ui.directoryHotkeyWidget->hotkey());
	settings()->endGroup();

	settings()->endGroup();

	settings()->beginGroup("upload");
	//settings()->setValue("service", ui.serviceComboBox->currentIndex());

	settings()->beginGroup("imgur");
	settings()->setValue("anonymous",!ui.imgurAuthGroupBox->isChecked());
	settings()->setValue("album" , ui.imgurAlbumComboBox->property("currentData").toString());
	settings()->endGroup();

	settings()->endGroup();
	}

	void OptionsDialog::updatePreview()
	{
	Screenshot::NamingOptions options;

	options.naming = (Screenshot::Naming) ui.namingComboBox->currentIndex();
	options.flip = settings()->value("options/flip", false).toBool();
	options.leadingZeros = settings()->value("options/naming/leadingZeros", 0).toInt();
	options.dateFormat = settings()->value("options/naming/dateFormat", "yyyy-MM-dd").toString();

	if (ui.fileGroupBox->isChecked()) // Only change the naming button when file options are enabled.
	ui.namingOptionsButton->setDisabled((options.naming == Screenshot::Empty));

	QString preview = Screenshot::getName(options,
	ui.prefixLineEdit->text(),
	QDir(ui.targetLineEdit->text()));

	preview = QString("%1.%2").arg(preview).arg(ui.formatComboBox->currentText().toLower());

	if (preview.length() >= 40) {
	preview.truncate(37);
	preview.append("...");
	}

	ui.previewLabel->setText(preview);
	}

	void OptionsDialog::viewHistory()
	{
	HistoryDialog historyDialog(this);
	historyDialog.exec();
	}

	//

	bool OptionsDialog::event(QEvent* event)
	{
	if (event->type() == QEvent::Close \|\| event->type() == QEvent::Hide) {
	settings()->setValue("geometry/optionsDialog", saveGeometry());

	if (!settings()->contains("file/format")) {
	// I'm afraid I can't let you do that, Dave.
	event->ignore();
	return false;
	}
	}
	else if (event->type() == QEvent::Show)
	{
	restoreGeometry(settings()->value("geometry/optionsDialog").toByteArray());
	}

	return QDialog::event(event);
	}

	#ifdef Q_OS_WIN
	// Qt does not send the print screen key as a regular QKeyPress event, so we must use the Windows API
	bool OptionsDialog::nativeEvent(const QByteArray &eventType, void message, long result)
	{
	if (eventType == "windows_generic_MSG") {
	MSG* m = static_cast<MSG*>(message);

	if ((m->message == WM_KEYUP \|\| m->message == WM_SYSKEYUP) && m->wParam == VK_SNAPSHOT) {
	qApp->postEvent(qApp->focusWidget(), new QKeyEvent(QEvent::KeyPress, Qt::Key_Print, qApp->queryKeyboardModifiers()));
	}
	}

	return QDialog::nativeEvent(eventType, message, result);
	}
	#endif

	//

	void OptionsDialog::browse()
	{
	QString fileName = QFileDialog::getExistingDirectory(this,
	tr("Select where you want to save the screenshots"),
	ui.targetLineEdit->text());

	if (fileName.isEmpty())
	return;

	ui.targetLineEdit->setText(fileName);
	updatePreview();
	}

	void OptionsDialog::dialogButtonClicked(QAbstractButton *button)
	{
	if (ui.buttonBox->buttonRole(button) == QDialogButtonBox::ResetRole) {
	QPushButton pb = qobject_cast<QPushButton>(button);
	pb->showMenu();
	}
	}

	void OptionsDialog::restoreDefaults()
	{
	QMessageBox msgBox;
	msgBox.setWindowTitle(tr("Lightscreen - Restore Default Options"));
	msgBox.setText(tr("Restoring the default options will cause you to lose all of your current configuration."));
	msgBox.setIcon(QMessageBox::Warning);

	msgBox.addButton(tr("Restore"), QMessageBox::ActionRole);
	QPushButton *dontRestoreButton = msgBox.addButton(tr("Don't Restore"), QMessageBox::ActionRole);

	msgBox.setDefaultButton(dontRestoreButton);
	msgBox.exec();

	if (msgBox.clickedButton() == dontRestoreButton)
	return;

	settings()->clear();
	loadSettings();
	}

	void OptionsDialog::flipToggled(bool checked)
	{
	setUpdatesEnabled(false);

	ui.filenameLayout->removeWidget(ui.prefixLineEdit);
	ui.filenameLayout->removeWidget(ui.namingComboBox);

	if (checked) {
	ui.filenameLayout->addWidget(ui.namingComboBox);
	ui.filenameLayout->addWidget(ui.prefixLineEdit);
	}
	else {
	ui.filenameLayout->addWidget(ui.prefixLineEdit);
	ui.filenameLayout->addWidget(ui.namingComboBox);
	}

	if (ui.prefixLineEdit->text() == tr("screenshot.")
	&& checked)
	ui.prefixLineEdit->setText(tr(".screenshot"));

	if (ui.prefixLineEdit->text() == tr(".screenshot")
	&& !checked)
	ui.prefixLineEdit->setText(tr("screenshot."));

	setUpdatesEnabled(true); // Avoids flicker
	}

	void OptionsDialog::init()
	{
	// Make the scroll area share the Tab Widget background color
	QPalette optionsPalette = ui.optionsScrollArea->palette();
	optionsPalette.setColor(QPalette::Window, ui.tabWidget->palette().color(QPalette::Base));
	ui.optionsScrollArea->setPalette(optionsPalette);

	ui.browsePushButton->setIcon(os::icon("folder"));
	ui.namingOptionsButton->setIcon(os::icon("configure"));

	// Export/Import menu .
	QMenu* optionsMenu = new QMenu(tr("Options"));

	QAction *exportAction = new QAction(tr("&Export.."), optionsMenu);
	connect(exportAction, SIGNAL(triggered()), this, SLOT(exportSettings()));

	QAction *importAction = new QAction(tr("&Import.."), optionsMenu);
	connect(importAction, SIGNAL(triggered()), this, SLOT(importSettings()));

	QAction *restoreAction = new QAction(tr("&Restore Defaults"), optionsMenu);
	connect(restoreAction, SIGNAL(triggered()), this, SLOT(restoreDefaults()));

	optionsMenu->addAction(exportAction);
	optionsMenu->addAction(importAction);
	optionsMenu->addSeparator();
	optionsMenu->addAction(restoreAction);

	QPushButton *optionsButton = new QPushButton(tr("Options"), this);
	optionsButton->setMenu(optionsMenu);
	ui.buttonBox->addButton(optionsButton, QDialogButtonBox::ResetRole);

	// Set up the autocomplete for the directory.
	QCompleter *completer = new QCompleter(this);
	completer->setModel(new QDirModel(QStringList(), QDir::Dirs, QDir::Name, completer));
	ui.targetLineEdit->setCompleter(completer);

	// HotkeyWidget icons.
	ui.screenHotkeyWidget->setIcon (os::icon("screen"));
	ui.windowHotkeyWidget->setIcon (os::icon("window"));
	ui.windowPickerHotkeyWidget->setIcon(os::icon("pickWindow"));
	ui.areaHotkeyWidget->setIcon (os::icon("area"));
	ui.openHotkeyWidget->setIcon (QIcon(":/icons/lightscreen.small"));
	ui.directoryHotkeyWidget->setIcon (os::icon("folder"));

	// Version
	ui.versionLabel->setText(tr("Version %1").arg(qApp->applicationVersion()));

	setEnabled(false); // We disable the widgets to prevent any user interaction until the settings have loaded.

	//
	// Connections
	//

	connect(Uploader::instance(), &Uploader::imgurAuthRefreshed, this, &OptionsDialog::imgurRequestAlbumList);

	connect(ui.buttonBox , SIGNAL(clicked(QAbstractButton)), this , SLOT(dialogButtonClicked(QAbstractButton)));
	connect(ui.buttonBox , SIGNAL(accepted()) , this , SLOT(accepted()));
	connect(ui.namingOptionsButton , SIGNAL(clicked()) , this , SLOT(namingOptions()));

	connect(ui.prefixLineEdit , SIGNAL(textEdited(QString)) , this , SLOT(updatePreview()));
	connect(ui.formatComboBox , SIGNAL(currentIndexChanged(int)) , this , SLOT(updatePreview()));
	connect(ui.namingComboBox , SIGNAL(currentIndexChanged(int)) , this , SLOT(updatePreview()));

	connect(ui.browsePushButton , SIGNAL(clicked()) , this , SLOT(browse()));
	connect(ui.checkUpdatesPushButton , SIGNAL(clicked()) , this , SLOT(checkUpdatesNow()));
	connect(ui.historyPushButton , SIGNAL(clicked()) , this , SLOT(viewHistory()));
	connect(ui.imgurAuthButton , SIGNAL(clicked()) , this , SLOT(imgurAuthorize()));
	connect(ui.imgurRefreshAlbumButton, SIGNAL(clicked()) , this , SLOT(imgurRequestAlbumList()));

	connect(ui.screenCheckBox , SIGNAL(toggled(bool)), ui.screenHotkeyWidget , SLOT(setEnabled(bool)));
	connect(ui.areaCheckBox , SIGNAL(toggled(bool)), ui.areaHotkeyWidget , SLOT(setEnabled(bool)));
	connect(ui.windowCheckBox , SIGNAL(toggled(bool)), ui.windowHotkeyWidget , SLOT(setEnabled(bool)));
	connect(ui.windowPickerCheckBox, SIGNAL(toggled(bool)), ui.windowPickerHotkeyWidget, SLOT(setEnabled(bool)));
	connect(ui.openCheckBox , SIGNAL(toggled(bool)), ui.openHotkeyWidget , SLOT(setEnabled(bool)));
	connect(ui.directoryCheckBox , SIGNAL(toggled(bool)), ui.directoryHotkeyWidget, SLOT(setEnabled(bool)));

	// "Save as" disables the file target input field.
	connect(ui.saveAsCheckBox , SIGNAL(toggled(bool)), ui.targetLineEdit , SLOT(setDisabled(bool)));
	connect(ui.saveAsCheckBox , SIGNAL(toggled(bool)), ui.browsePushButton , SLOT(setDisabled(bool)));
	connect(ui.saveAsCheckBox , SIGNAL(toggled(bool)), ui.directoryLabel , SLOT(setDisabled(bool)));

	connect(ui.startupCheckBox , SIGNAL(toggled(bool)), ui.startupHideCheckBox , SLOT(setEnabled(bool)));
	connect(ui.qualitySlider , SIGNAL(valueChanged(int)), ui.qualityValueLabel, SLOT(setNum(int)));
	connect(ui.trayCheckBox , SIGNAL(toggled(bool)), ui.messageCheckBox , SLOT(setEnabled(bool)));

	// Auto-upload disables the default action button in the previews.
	connect(ui.uploadCheckBox , SIGNAL(toggled(bool)), ui.previewDefaultActionLabel , SLOT(setDisabled(bool)));
	connect(ui.uploadCheckBox , SIGNAL(toggled(bool)), ui.previewDefaultActionComboBox, SLOT(setDisabled(bool)));
	connect(ui.directoryCheckBox , SIGNAL(toggled(bool)), ui.directoryHotkeyWidget, SLOT(setEnabled(bool)));

	connect(ui.mainLabel , SIGNAL(linkActivated(QString)), this, SLOT(openUrl(QString)));
	connect(ui.licenseAboutLabel, SIGNAL(linkActivated(QString)), this, SLOT(openUrl(QString)));
	connect(ui.linksLabel, SIGNAL(linkActivated(QString)), this, SLOT(openUrl(QString)));
	}

	void OptionsDialog::namingOptions()
	{
	NamingDialog namingDialog((Screenshot::Naming) ui.namingComboBox->currentIndex());

	namingDialog.exec();
	flipToggled(settings()->value("options/flip").toBool());
	updatePreview();
	}

	//

	bool OptionsDialog::hotkeyCollision()
	{
	// Check for hotkey collision (there's probably a better way to do this...=)

	if (ui.screenCheckBox->isChecked()) {
	if (ui.screenHotkeyWidget->hotkey() == ui.areaHotkeyWidget->hotkey()
	&& ui.areaCheckBox->isChecked())
	return true;

	if (ui.screenHotkeyWidget->hotkey() == ui.windowHotkeyWidget->hotkey()
	&& ui.windowCheckBox->isChecked())
	return true;

	if (ui.screenHotkeyWidget->hotkey() == ui.windowPickerHotkeyWidget->hotkey()
	&& ui.windowPickerCheckBox->isChecked())
	return true;

	if (ui.screenHotkeyWidget->hotkey() == ui.openHotkeyWidget->hotkey()
	&& ui.openCheckBox->isChecked())
	return true;

	if (ui.screenHotkeyWidget->hotkey() == ui.directoryHotkeyWidget->hotkey()
	&& ui.directoryCheckBox->isChecked())
	return true;
	}

	if (ui.areaCheckBox->isChecked()) {
	if (ui.areaHotkeyWidget->hotkey() == ui.screenHotkeyWidget->hotkey()
	&& ui.screenCheckBox->isChecked())
	return true;

	if (ui.areaHotkeyWidget->hotkey() == ui.windowHotkeyWidget->hotkey()
	&& ui.windowCheckBox->isChecked())
	return true;

	if (ui.areaHotkeyWidget->hotkey() == ui.windowPickerHotkeyWidget->hotkey()
	&& ui.windowPickerCheckBox->isChecked())
	return true;

	if (ui.areaHotkeyWidget->hotkey() == ui.openHotkeyWidget->hotkey()
	&& ui.openCheckBox->isChecked())
	return true;

	if (ui.areaHotkeyWidget->hotkey() == ui.directoryHotkeyWidget->hotkey()
	&& ui.directoryCheckBox->isChecked())
	return true;
	}

	if (ui.windowCheckBox->isChecked()) {
	if (ui.windowHotkeyWidget->hotkey() == ui.screenHotkeyWidget->hotkey()
	&& ui.screenCheckBox->isChecked())
	return true;

	if (ui.windowHotkeyWidget->hotkey() == ui.areaHotkeyWidget->hotkey()
	&& ui.areaCheckBox->isChecked())
	return true;

	if (ui.windowHotkeyWidget->hotkey() == ui.windowPickerHotkeyWidget->hotkey()
	&& ui.windowPickerCheckBox->isChecked())
	return true;

	if (ui.windowHotkeyWidget->hotkey() == ui.openHotkeyWidget->hotkey()
	&& ui.openCheckBox->isChecked())
	return true;

	if (ui.windowHotkeyWidget->hotkey() == ui.directoryHotkeyWidget->hotkey()
	&& ui.directoryCheckBox->isChecked())
	return true;
	}

	if (ui.openCheckBox->isChecked()) {
	if (ui.openHotkeyWidget->hotkey() == ui.screenHotkeyWidget->hotkey()
	&& ui.screenCheckBox->isChecked())
	return true;

	if (ui.openHotkeyWidget->hotkey() == ui.areaHotkeyWidget->hotkey()
	&& ui.areaCheckBox->isChecked())
	return true;

	if (ui.openHotkeyWidget->hotkey() == ui.windowPickerHotkeyWidget->hotkey()
	&& ui.windowPickerCheckBox->isChecked())
	return true;

	if (ui.openHotkeyWidget->hotkey() == ui.windowHotkeyWidget->hotkey()
	&& ui.windowCheckBox->isChecked())
	return true;

	if (ui.openHotkeyWidget->hotkey() == ui.directoryHotkeyWidget->hotkey()
	&& ui.directoryCheckBox->isChecked())
	return true;
	}

	if (ui.directoryCheckBox->isChecked()) {
	if (ui.directoryHotkeyWidget->hotkey() == ui.screenHotkeyWidget->hotkey()
	&& ui.screenCheckBox->isChecked())
	return true;

	if (ui.directoryHotkeyWidget->hotkey() == ui.areaHotkeyWidget->hotkey()
	&& ui.areaCheckBox->isChecked())
	return true;

	if (ui.directoryHotkeyWidget->hotkey() == ui.windowPickerHotkeyWidget->hotkey()
	&& ui.windowPickerCheckBox->isChecked())
	return true;

	if (ui.directoryHotkeyWidget->hotkey() == ui.windowHotkeyWidget->hotkey()
	&& ui.windowCheckBox->isChecked())
	return true;

	if (ui.directoryHotkeyWidget->hotkey() == ui.openHotkeyWidget->hotkey()
	&& ui.openCheckBox->isChecked())
	return true;
	}

	return false;
	}

	QSettings *OptionsDialog::settings() const
	{
	return ScreenshotManager::instance()->settings();
	}

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