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/guievent.h | 212 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 212 insertions(+)
 create mode 100644 dggui/guievent.h

(limited to 'dggui/guievent.h')

diff --git a/dggui/guievent.h b/dggui/guievent.h
new file mode 100644
index 0000000..4ad0798
--- /dev/null
+++ b/dggui/guievent.h
@@ -0,0 +1,212 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            event.h
+ *
+ *  Sun Oct  9 16:11:47 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 <string>
+#include <list>
+#include <memory>
+
+namespace GUI
+{
+
+enum class EventType
+{
+	mouseMove,
+	repaint,
+	button,
+	scroll,
+	key,
+	close,
+	resize,
+	move,
+	mouseEnter,
+	mouseLeave,
+};
+
+class Event
+{
+public:
+	virtual ~Event() {}
+
+	virtual EventType type() = 0;
+};
+
+class MouseMoveEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::mouseMove; }
+
+	int x;
+	int y;
+};
+
+
+enum class Direction
+{
+	up,
+	down,
+};
+
+enum class MouseButton
+{
+	right,
+	middle,
+	left,
+};
+
+class ButtonEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::button; }
+
+	int x;
+	int y;
+
+	Direction direction;
+	MouseButton button;
+
+	bool doubleClick;
+};
+
+class ScrollEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::scroll; }
+
+	int x;
+	int y;
+
+	float delta;
+};
+
+class RepaintEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::repaint; }
+
+	int x;
+	int y;
+	size_t width;
+	size_t height;
+};
+
+enum class Key
+{
+	unknown,
+	left,
+	right,
+	up,
+	down,
+	deleteKey,
+	backspace,
+	home,
+	end,
+	pageDown,
+	pageUp,
+	enter,
+	character, //!< The actual character is stored in KeyEvent::text
+};
+
+class KeyEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::key; }
+
+	Direction direction;
+
+	Key keycode;
+	std::string text;
+};
+
+class CloseEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::close; }
+};
+
+class ResizeEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::resize; }
+
+	size_t width;
+	size_t height;
+};
+
+class MoveEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::move; }
+
+	int x;
+	int y;
+};
+
+class MouseEnterEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::mouseEnter; }
+
+	int x;
+	int y;
+};
+
+class MouseLeaveEvent
+	: public Event
+{
+public:
+	EventType type() { return EventType::mouseLeave; }
+
+	int x;
+	int y;
+};
+
+using EventQueue = std::list<std::shared_ptr<Event>>;
+
+struct Rect
+{
+	std::size_t x1;
+	std::size_t y1;
+	std::size_t x2;
+	std::size_t y2;
+
+	bool empty() const
+	{
+		return x1 == x2 && y1 == y2;
+	}
+};
+
+} // GUI::
-- 
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