From ea406769262b5ebd7d9f775e26a8655a6ee94d00 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 16 Apr 2017 19:29:59 +0200
Subject: Add modal dialog primitive.

---
 plugingui/dialog.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 plugingui/dialog.h

(limited to 'plugingui/dialog.h')

diff --git a/plugingui/dialog.h b/plugingui/dialog.h
new file mode 100644
index 0000000..1b0c6da
--- /dev/null
+++ b/plugingui/dialog.h
@@ -0,0 +1,63 @@
+/* -*- Mode: c++ -*- */
+/***************************************************************************
+ *            dialog.h
+ *
+ *  Sun Apr 16 10:31:04 CEST 2017
+ *  Copyright 2017 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#pragma once
+
+#include "window.h"
+
+namespace GUI
+{
+
+//! This class is used the base window for pop-up dialogs, such as a file
+//! browser.
+class Dialog
+	: public Window
+{
+public:
+	//! - The dialog is placed near the parent window.
+	//! - The parent window event handler will call the dialog event handler
+	//! - While the dialog is visible, all mouse click and keyboard events
+	//!   are ignored by the parent event handler.
+	//! - The Dialog registers itself in the parent event handler when contructed
+	//!   and removes itself when destructed.
+	//! - The parent event handler will delete all registered Dialogs when itself
+	//!   deleted.
+	Dialog(Widget* parent, bool modal = false);
+
+	~Dialog();
+
+	//! Change modality.
+	void setModal(bool modal);
+
+	//! Get current modality state.
+	bool isModal() const;
+
+private:
+	bool is_modal{false};
+	Widget* parent{nullptr};
+};
+
+} // GUI::
-- 
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