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commit 6bc8f61b18
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+/* Copyright (c) 2019-2021, Arm Limited and Contributors
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 the "License";
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+
+namespace vkb
+{
+class Platform;
+
+enum class EventSource
+{
+	Keyboard,
+	Mouse,
+	Touchscreen
+};
+
+class InputEvent
+{
+  public:
+	InputEvent(EventSource source);
+
+	EventSource get_source() const;
+
+  private:
+	EventSource source;
+};
+
+enum class KeyCode
+{
+	Unknown,
+	Space,
+	Apostrophe, /* ' */
+	Comma,      /* , */
+	Minus,      /* - */
+	Period,     /* . */
+	Slash,      /* / */
+	_0,
+	_1,
+	_2,
+	_3,
+	_4,
+	_5,
+	_6,
+	_7,
+	_8,
+	_9,
+	Semicolon, /* ; */
+	Equal,     /* = */
+	A,
+	B,
+	C,
+	D,
+	E,
+	F,
+	G,
+	H,
+	I,
+	J,
+	K,
+	L,
+	M,
+	N,
+	O,
+	P,
+	Q,
+	R,
+	S,
+	T,
+	U,
+	V,
+	W,
+	X,
+	Y,
+	Z,
+	LeftBracket,  /* [ */
+	Backslash,    /* \ */
+	RightBracket, /* ] */
+	GraveAccent,  /* ` */
+	Escape,
+	Enter,
+	Tab,
+	Backspace,
+	Insert,
+	DelKey,
+	Right,
+	Left,
+	Down,
+	Up,
+	PageUp,
+	PageDown,
+	Home,
+	End,
+	Back,
+	CapsLock,
+	ScrollLock,
+	NumLock,
+	PrintScreen,
+	Pause,
+	F1,
+	F2,
+	F3,
+	F4,
+	F5,
+	F6,
+	F7,
+	F8,
+	F9,
+	F10,
+	F11,
+	F12,
+	KP_0,
+	KP_1,
+	KP_2,
+	KP_3,
+	KP_4,
+	KP_5,
+	KP_6,
+	KP_7,
+	KP_8,
+	KP_9,
+	KP_Decimal,
+	KP_Divide,
+	KP_Multiply,
+	KP_Subtract,
+	KP_Add,
+	KP_Enter,
+	KP_Equal,
+	LeftShift,
+	LeftControl,
+	LeftAlt,
+	RightShift,
+	RightControl,
+	RightAlt
+};
+
+enum class KeyAction
+{
+	Down,
+	Up,
+	Repeat,
+	Unknown
+};
+
+class KeyInputEvent : public InputEvent
+{
+  public:
+	KeyInputEvent(KeyCode code, KeyAction action);
+
+	KeyCode get_code() const;
+
+	KeyAction get_action() const;
+
+  private:
+	KeyCode code;
+
+	KeyAction action;
+};
+
+enum class MouseButton
+{
+	Left,
+	Right,
+	Middle,
+	Back,
+	Forward,
+	Unknown
+};
+
+enum class MouseAction
+{
+	Down,
+	Up,
+	Move,
+	Unknown
+};
+
+class MouseButtonInputEvent : public InputEvent
+{
+  public:
+	MouseButtonInputEvent(MouseButton button, MouseAction action, float pos_x, float pos_y);
+
+	MouseButton get_button() const;
+
+	MouseAction get_action() const;
+
+	float get_pos_x() const;
+
+	float get_pos_y() const;
+
+  private:
+	MouseButton button;
+
+	MouseAction action;
+
+	float pos_x;
+
+	float pos_y;
+};
+
+enum class TouchAction
+{
+	Down,
+	Up,
+	Move,
+	Cancel,
+	PointerDown,
+	PointerUp,
+	Unknown
+};
+
+class TouchInputEvent : public InputEvent
+{
+  public:
+	TouchInputEvent(int32_t pointer_id, size_t pointer_count, TouchAction action, float pos_x, float pos_y);
+
+	TouchAction get_action() const;
+
+	int32_t get_pointer_id() const;
+
+	size_t get_touch_points() const;
+
+	float get_pos_x() const;
+
+	float get_pos_y() const;
+
+  private:
+	TouchAction action;
+
+	int32_t pointer_id;
+
+	size_t touch_points;
+
+	float pos_x;
+
+	float pos_y;
+};
+}        // namespace vkb