feat: remember last opened path

 (#37)

Author: BLumia

src/common/dmr_settings.cpp

@@ -162,6 +162,17 @@ QString Settings::screenshotNameSeqTemplate()
         .arg(QDateTime::currentDateTime().toString("yyyyMMddhhmmss"));
 }
 
+void Settings::setGeneralOption(const QString &opt, const QVariant &v)
+{
+    settings()->setOption(QString("base.general.%1").arg(opt), v);
+    settings()->sync();
+}
+
+QVariant Settings::generalOption(const QString &opt)
+{
+    return settings()->getOption(QString("base.general.%1").arg(opt));
+}
+
 QVariant Settings::internalOption(const QString& opt)
 {
     return settings()->getOption(QString("base.play.%1").arg(opt));

src/common/dmr_settings.h

@@ -64,6 +64,9 @@ class Settings: public QObject {
         QPointer<DSettingsGroup> base() { return group("base"); }
         QPointer<DSettingsGroup> subtitle() { return group("subtitle"); }
 
+        void setGeneralOption(const QString& opt, const QVariant& v);
+        QVariant generalOption(const QString& opt);
+
         void setInternalOption(const QString& opt, const QVariant& v);
         QVariant internalOption(const QString& opt);
 

src/common/mainwindow.cpp

@@ -128,7 +128,7 @@ static QWidget *createSelectableLineEditOptionHandle(QObject *opt)
 
     option->connect(le, &DLineEdit::iconClicked, [=]() {
         QString name = QFileDialog::getExistingDirectory(0, QObject::tr("Open folder"),
-                QDir::currentPath(),
+                MainWindow::lastOpenedPath(),
                 QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
         if (validate(name, false)) {
             option->setValue(name);
@@ -1447,11 +1447,13 @@ void MainWindow::requestAction(ActionFactory::ActionKind kd, bool fromUI,
 
         case ActionFactory::ActionKind::OpenDirectory: {
             QString name = QFileDialog::getExistingDirectory(this, tr("Open folder"),
-                    QDir::currentPath(),
+                    lastOpenedPath(),
                     QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
 
             QFileInfo fi(name);
             if (fi.isDir() && fi.exists()) {
+                Settings::get().setGeneralOption("last_open_path", fi.path());
+
                 const auto& urls = _engine->addPlayDir(name);
                 if (urls.size()) {
                     _engine->playByName(QUrl("playlist://0"));
@@ -1462,12 +1464,17 @@ void MainWindow::requestAction(ActionFactory::ActionKind kd, bool fromUI,
 
         case ActionFactory::ActionKind::OpenFileList: {
             QStringList filenames = QFileDialog::getOpenFileNames(this, tr("Open file"),
-                    QDir::currentPath(),
+                    lastOpenedPath(),
                     tr("All videos (%1)").arg(_engine->video_filetypes.join(" ")), 0,
                     QFileDialog::HideNameFilterDetails);
 
             QList<QUrl> urls;
             if (filenames.size()) {
+                QFileInfo fileInfo(filenames[0]);
+                if (fileInfo.exists()) {
+                    Settings::get().setGeneralOption("last_open_path", fileInfo.path());
+                }
+
                 for (const auto& filename: filenames) {
                     urls.append(QUrl::fromLocalFile(filename));
                 }
@@ -1479,10 +1486,13 @@ void MainWindow::requestAction(ActionFactory::ActionKind kd, bool fromUI,
 
         case ActionFactory::ActionKind::OpenFile: {
             QString filename = QFileDialog::getOpenFileName(this, tr("Open file"),
-                    QDir::currentPath(),
+                    lastOpenedPath(),
                     tr("All videos (%1)").arg(_engine->video_filetypes.join(" ")), 0,
                     QFileDialog::HideNameFilterDetails);
-            if (QFileInfo(filename).exists()) {
+            QFileInfo fileInfo(filename);
+            if (fileInfo.exists()) {
+                Settings::get().setGeneralOption("last_open_path", fileInfo.path());
+
                 play(QUrl::fromLocalFile(filename));
             }
             break;
@@ -1814,7 +1824,7 @@ void MainWindow::requestAction(ActionFactory::ActionKind kd, bool fromUI,
 
         case ActionFactory::ActionKind::LoadSubtitle: {
             QString filename = QFileDialog::getOpenFileName(this, tr("Open file"),
-                    QDir::currentPath(),
+                    lastOpenedPath(),
                     tr("Subtitle (*.ass *.aqt *.jss *.gsub *.ssf *.srt *.sub *.ssa *.smi *.usf *.idx)"));
             if (QFileInfo(filename).exists()) {
                 auto success = _engine->loadSubtitle(QFileInfo(filename));
@@ -2568,6 +2578,21 @@ void MainWindow::prepareSplashImages()
     bg_light = utils::LoadHiDPIImage(":/resources/icons/light/init-splash.svg");
 }
 
+QString MainWindow::lastOpenedPath()
+{
+    QString lastPath = Settings::get().generalOption("last_open_path").toString();
+    QDir lastDir(lastPath);
+    if (lastPath.isEmpty() || !lastDir.exists()) {
+        lastPath = QStandardPaths::writableLocation(QStandardPaths::MoviesLocation);
+        QDir newLastDir(lastPath);
+        if (!newLastDir.exists()) {
+            lastPath = QDir::currentPath();
+        }
+    }
+
+    return lastPath;
+}
+
 void MainWindow::paintEvent(QPaintEvent* pe)
 {
     QPainter p(this);

src/common/mainwindow.h

@@ -85,6 +85,8 @@ class MainWindow: public QFrame {
 
     void updateContentGeometry(const QRect& rect);
 
+    static QString lastOpenedPath();
+
 signals:
     void windowEntered();
     void windowLeaved();