From 531232cf05838b79c1f8f36c8103730e32dfa23d Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 12 Mar 2010 07:30:41 +0000
Subject: [PATCH] Add Dialog class

---
 source/dialog.cpp | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 source/dialog.h   | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 source/dialog.cpp
 create mode 100644 source/dialog.h

diff --git a/source/dialog.cpp b/source/dialog.cpp
new file mode 100644
index 0000000..5eea609
--- /dev/null
+++ b/source/dialog.cpp
@@ -0,0 +1,48 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2010  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#include "button.h"
+#include "dialog.h"
+
+namespace Msp {
+namespace GLtk {
+
+Dialog::Dialog(const Resources &r):
+	Widget(r),
+	Panel(r),
+	stale(false)
+{ }
+
+void Dialog::add_button(Button &button, int code)
+{
+	add(button);
+	button.signal_clicked.connect(sigc::bind(sigc::mem_fun(this, &Dialog::response), code));
+}
+
+void Dialog::button_release(int x, int y, unsigned button)
+{
+	Panel::button_release(x, y, button);
+	if(stale)
+		delete this;
+}
+
+void Dialog::key_release(unsigned key, unsigned mod)
+{
+	Panel::key_release(key, mod);
+	if(stale)
+		delete this;
+}
+
+void Dialog::response(int code)
+{
+	on_response(code);
+	signal_response.emit(code);
+	stale=true;
+}
+
+} // namespace GLtk
+} // namespace Msp
diff --git a/source/dialog.h b/source/dialog.h
new file mode 100644
index 0000000..0a9b0d8
--- /dev/null
+++ b/source/dialog.h
@@ -0,0 +1,48 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2010  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#ifndef MSP_GLTK_DIALOG_H_
+#define MSP_GLTK_DIALOG_H_
+
+#include "panel.h"
+
+namespace Msp {
+namespace GLtk {
+
+class Button;
+
+/**
+A Dialog is used for temporary interaction with the user.  When any of the
+Dialog's action buttons are clicked, it will emit a signal and delete itself.
+*/
+class Dialog: public Panel
+{
+private:
+	bool stale;
+
+public:
+	sigc::signal<void, int> signal_response;
+
+	Dialog(const Resources &);
+
+	/** Adds an action button to the dialog.  Pressing the button will invoke
+	response handlers and delete the dialog. */
+	void add_button(Button &, int);
+
+	virtual void button_release(int, int, unsigned);
+	virtual void key_release(unsigned, unsigned);
+protected:
+	void response(int);
+
+	/** Called when an action button is pressed. */
+	virtual void on_response(int) { }
+};
+
+} // namespace GLtk
+} // namespace Msp
+
+#endif
-- 
2.43.0