UI: Add ability to add directories to editable lists

obs/data/locale/en-US.ini

@@ -220,7 +220,9 @@ Basic.PropertiesWindow.ConfirmTitle="Settings Changed"
 Basic.PropertiesWindow.Confirm="There are unsaved changes.  Do you want to keep them?"
 Basic.PropertiesWindow.NoProperties="No properties available"
 Basic.PropertiesWindow.AddFiles="Add Files"
+Basic.PropertiesWindow.AddDir="Add Directory"
 Basic.PropertiesWindow.AddURL="Add Path/URL"
+Basic.PropertiesWindow.AddEditableListDir="Add directory to '%1'"
 Basic.PropertiesWindow.AddEditableListFiles="Add files to '%1'"
 Basic.PropertiesWindow.AddEditableListEntry="Add entry to '%1'"
 Basic.PropertiesWindow.EditEditableListEntry="Edit entry from '%1'"

obs/properties-view.cpp

@@ -1772,10 +1772,6 @@ void WidgetInfo::EditListAdd()
 	if (type == OBS_EDITABLE_LIST_TYPE_STRINGS) {
 		EditListAddText();
 		return;
-
-	} else if (type == OBS_EDITABLE_LIST_TYPE_FILES) {
-		EditListAddFiles();
-		return;
 	}
 
 	/* Files and URLs */
@@ -1788,11 +1784,19 @@ void WidgetInfo::EditListAdd()
 			this, &WidgetInfo::EditListAddFiles);
 	popup.addAction(action);
 
-	action = new QAction(QTStr("Basic.PropertiesWindow.AddURL"), this);
+	action = new QAction(QTStr("Basic.PropertiesWindow.AddDir"), this);
 	connect(action, &QAction::triggered,
-			this, &WidgetInfo::EditListAddText);
+			this, &WidgetInfo::EditListAddDir);
 	popup.addAction(action);
 
+	if (type == OBS_EDITABLE_LIST_TYPE_FILES_AND_URLS) {
+		action = new QAction(QTStr("Basic.PropertiesWindow.AddURL"),
+				this);
+		connect(action, &QAction::triggered,
+				this, &WidgetInfo::EditListAddText);
+		popup.addAction(action);
+	}
+
 	popup.exec(QCursor::pos());
 }
 
@@ -1838,6 +1842,26 @@ void WidgetInfo::EditListAddFiles()
 	EditableListChanged();
 }
 
+void WidgetInfo::EditListAddDir()
+{
+	QListWidget *list = reinterpret_cast<QListWidget*>(widget);
+	const char *desc = obs_property_description(property);
+	const char *default_path =
+		obs_property_editable_list_default_path(property);
+
+	QString title = QTStr("Basic.PropertiesWindow.AddEditableListDir")
+		.arg(QT_UTF8(desc));
+
+	QString dir = QFileDialog::getExistingDirectory(
+			App()->GetMainWindow(), title, QT_UTF8(default_path));
+
+	if (dir.isEmpty())
+		return;
+
+	list->addItem(dir);
+	EditableListChanged();
+}
+
 void WidgetInfo::EditListRemove()
 {
 	QListWidget *list = reinterpret_cast<QListWidget*>(widget);

obs/properties-view.hpp

@@ -52,6 +52,7 @@ public slots:
 	void EditListAdd();
 	void EditListAddText();
 	void EditListAddFiles();
+	void EditListAddDir();
 	void EditListRemove();
 	void EditListEdit();
 	void EditListUp();