Squashed 'libraries/ZWidget/' content from commit 96501b6ef1

git-subtree-dir: libraries/ZWidget
git-subtree-split: 96501b6ef11e8737cd8ccb2451395115b810dfcc

include/zwidget/systemdialogs/open_folder_dialog.h

@@ -0,0 +1,30 @@
+
+#pragma once
+
+#include <memory>
+#include <string>
+
+class Widget;
+
+/// \brief Displays the system folder browsing dialog
+class OpenFolderDialog
+{
+public:
+	/// \brief Constructs an browse folder dialog.
+	static std::unique_ptr<OpenFolderDialog> Create(Widget*owner);
+
+	virtual ~OpenFolderDialog() = default;
+
+	/// \brief Get the full path of the directory selected.
+	virtual std::string SelectedPath() const = 0;
+
+	/// \brief Sets the initial directory that is displayed.
+	virtual void SetInitialDirectory(const std::string& path) = 0;
+
+	/// \brief Sets the text that appears in the title bar.
+	virtual void SetTitle(const std::string& title) = 0;
+
+	/// \brief Shows the file dialog.
+	/// \return true if the user clicks the OK button of the dialog that is displayed, false otherwise.
+	virtual bool Show() = 0;
+};