From 645250e1cd8ce9bc1faea599df7a1b05836bfeb8 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Tue, 29 Dec 2020 16:09:43 +0100
Subject: Split UI code into application/plugin UI and UI library.

---
 dggui/eventhandler.h | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 dggui/eventhandler.h

(limited to 'dggui/eventhandler.h')

diff --git a/dggui/eventhandler.h b/dggui/eventhandler.h
new file mode 100644
index 0000000..8d6f492
--- /dev/null
+++ b/dggui/eventhandler.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            eventhandler.h
+ *
+ *  Sun Oct  9 18:58:29 CEST 2011
+ *  Copyright 2011 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 <notifier.h>
+#include <memory>
+#include <queue>
+#include <list>
+
+#include "guievent.h"
+#include "nativewindow.h"
+
+namespace GUI
+{
+
+class Window;
+class Dialog;
+
+class EventHandler
+{
+public:
+	EventHandler(NativeWindow& nativeWindow, Window& window);
+
+	//! Process all events currently in the event queue.
+	void processEvents();
+
+	//! Query if any events are currently in the event queue.
+	bool hasEvent();
+
+	//! Query if the topmost event in the event queue is of type.
+	bool queryNextEventType(EventType type);
+
+	//! Get a single event from the event queue.
+	//! \return A pointer to the event or nullptr if there are none.
+	std::shared_ptr<Event> getNextEvent();
+
+	void registerDialog(Dialog* dialog);
+	void unregisterDialog(Dialog* dialog);
+
+	Notifier<> closeNotifier;
+
+private:
+	Window& window;
+	NativeWindow& nativeWindow;
+
+	// Used to ignore mouse button release after a double click.
+	bool lastWasDoubleClick;
+
+	EventQueue events;
+
+	std::list<Dialog*> dialogs;
+};
+
+} // GUI::
-- 
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