285 lines
13 KiB
C++
285 lines
13 KiB
C++
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////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_EVENT_HPP
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#define SFML_EVENT_HPP
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Config.hpp>
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#include <SFML/Window/Joystick.hpp>
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#include <SFML/Window/Keyboard.hpp>
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#include <SFML/Window/Mouse.hpp>
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#include <SFML/Window/Sensor.hpp>
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namespace sf
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{
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////////////////////////////////////////////////////////////
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/// \brief Defines a system event and its parameters
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///
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////////////////////////////////////////////////////////////
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class Event
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{
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public:
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////////////////////////////////////////////////////////////
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/// \brief Size events parameters (Resized)
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///
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////////////////////////////////////////////////////////////
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struct SizeEvent
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{
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unsigned int width; ///< New width, in pixels
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unsigned int height; ///< New height, in pixels
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};
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////////////////////////////////////////////////////////////
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/// \brief Keyboard event parameters (KeyPressed, KeyReleased)
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///
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////////////////////////////////////////////////////////////
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struct KeyEvent
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{
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Keyboard::Key code; ///< Code of the key that has been pressed
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bool alt; ///< Is the Alt key pressed?
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bool control; ///< Is the Control key pressed?
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bool shift; ///< Is the Shift key pressed?
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bool system; ///< Is the System key pressed?
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};
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////////////////////////////////////////////////////////////
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/// \brief Text event parameters (TextEntered)
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///
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////////////////////////////////////////////////////////////
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struct TextEvent
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{
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Uint32 unicode; ///< UTF-32 Unicode value of the character
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};
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////////////////////////////////////////////////////////////
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/// \brief Mouse move event parameters (MouseMoved)
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///
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////////////////////////////////////////////////////////////
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struct MouseMoveEvent
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{
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int x; ///< X position of the mouse pointer, relative to the left of the owner window
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int y; ///< Y position of the mouse pointer, relative to the top of the owner window
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};
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////////////////////////////////////////////////////////////
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/// \brief Mouse buttons events parameters
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/// (MouseButtonPressed, MouseButtonReleased)
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///
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////////////////////////////////////////////////////////////
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struct MouseButtonEvent
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{
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Mouse::Button button; ///< Code of the button that has been pressed
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int x; ///< X position of the mouse pointer, relative to the left of the owner window
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int y; ///< Y position of the mouse pointer, relative to the top of the owner window
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};
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////////////////////////////////////////////////////////////
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/// \brief Mouse wheel events parameters (MouseWheelMoved)
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///
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/// \deprecated This event is deprecated and potentially inaccurate.
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/// Use MouseWheelScrollEvent instead.
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///
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////////////////////////////////////////////////////////////
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struct MouseWheelEvent
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{
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int delta; ///< Number of ticks the wheel has moved (positive is up, negative is down)
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int x; ///< X position of the mouse pointer, relative to the left of the owner window
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int y; ///< Y position of the mouse pointer, relative to the top of the owner window
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};
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////////////////////////////////////////////////////////////
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/// \brief Mouse wheel events parameters (MouseWheelScrolled)
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///
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////////////////////////////////////////////////////////////
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struct MouseWheelScrollEvent
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{
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Mouse::Wheel wheel; ///< Which wheel (for mice with multiple ones)
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float delta; ///< Wheel offset (positive is up/left, negative is down/right). High-precision mice may use non-integral offsets.
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int x; ///< X position of the mouse pointer, relative to the left of the owner window
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int y; ///< Y position of the mouse pointer, relative to the top of the owner window
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};
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////////////////////////////////////////////////////////////
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/// \brief Joystick connection events parameters
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/// (JoystickConnected, JoystickDisconnected)
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///
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////////////////////////////////////////////////////////////
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struct JoystickConnectEvent
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{
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unsigned int joystickId; ///< Index of the joystick (in range [0 .. Joystick::Count - 1])
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};
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////////////////////////////////////////////////////////////
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/// \brief Joystick axis move event parameters (JoystickMoved)
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///
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////////////////////////////////////////////////////////////
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struct JoystickMoveEvent
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{
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unsigned int joystickId; ///< Index of the joystick (in range [0 .. Joystick::Count - 1])
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Joystick::Axis axis; ///< Axis on which the joystick moved
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float position; ///< New position on the axis (in range [-100 .. 100])
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};
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////////////////////////////////////////////////////////////
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/// \brief Joystick buttons events parameters
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/// (JoystickButtonPressed, JoystickButtonReleased)
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///
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////////////////////////////////////////////////////////////
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struct JoystickButtonEvent
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{
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unsigned int joystickId; ///< Index of the joystick (in range [0 .. Joystick::Count - 1])
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unsigned int button; ///< Index of the button that has been pressed (in range [0 .. Joystick::ButtonCount - 1])
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};
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////////////////////////////////////////////////////////////
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/// \brief Touch events parameters (TouchBegan, TouchMoved, TouchEnded)
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///
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////////////////////////////////////////////////////////////
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struct TouchEvent
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{
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unsigned int finger; ///< Index of the finger in case of multi-touch events
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int x; ///< X position of the touch, relative to the left of the owner window
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int y; ///< Y position of the touch, relative to the top of the owner window
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};
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////////////////////////////////////////////////////////////
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/// \brief Sensor event parameters (SensorChanged)
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///
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////////////////////////////////////////////////////////////
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struct SensorEvent
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{
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Sensor::Type type; ///< Type of the sensor
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float x; ///< Current value of the sensor on X axis
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float y; ///< Current value of the sensor on Y axis
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float z; ///< Current value of the sensor on Z axis
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};
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////////////////////////////////////////////////////////////
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/// \brief Enumeration of the different types of events
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///
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////////////////////////////////////////////////////////////
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enum EventType
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{
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Closed, ///< The window requested to be closed (no data)
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Resized, ///< The window was resized (data in event.size)
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LostFocus, ///< The window lost the focus (no data)
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GainedFocus, ///< The window gained the focus (no data)
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TextEntered, ///< A character was entered (data in event.text)
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KeyPressed, ///< A key was pressed (data in event.key)
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KeyReleased, ///< A key was released (data in event.key)
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MouseWheelMoved, ///< The mouse wheel was scrolled (data in event.mouseWheel) (deprecated)
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MouseWheelScrolled, ///< The mouse wheel was scrolled (data in event.mouseWheelScroll)
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MouseButtonPressed, ///< A mouse button was pressed (data in event.mouseButton)
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MouseButtonReleased, ///< A mouse button was released (data in event.mouseButton)
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MouseMoved, ///< The mouse cursor moved (data in event.mouseMove)
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MouseEntered, ///< The mouse cursor entered the area of the window (no data)
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MouseLeft, ///< The mouse cursor left the area of the window (no data)
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JoystickButtonPressed, ///< A joystick button was pressed (data in event.joystickButton)
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JoystickButtonReleased, ///< A joystick button was released (data in event.joystickButton)
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JoystickMoved, ///< The joystick moved along an axis (data in event.joystickMove)
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JoystickConnected, ///< A joystick was connected (data in event.joystickConnect)
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JoystickDisconnected, ///< A joystick was disconnected (data in event.joystickConnect)
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TouchBegan, ///< A touch event began (data in event.touch)
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TouchMoved, ///< A touch moved (data in event.touch)
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TouchEnded, ///< A touch event ended (data in event.touch)
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SensorChanged, ///< A sensor value changed (data in event.sensor)
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Count ///< Keep last -- the total number of event types
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};
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////////////////////////////////////////////////////////////
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// Member data
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////////////////////////////////////////////////////////////
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EventType type; ///< Type of the event
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union
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{
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SizeEvent size; ///< Size event parameters (Event::Resized)
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KeyEvent key; ///< Key event parameters (Event::KeyPressed, Event::KeyReleased)
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TextEvent text; ///< Text event parameters (Event::TextEntered)
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MouseMoveEvent mouseMove; ///< Mouse move event parameters (Event::MouseMoved)
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MouseButtonEvent mouseButton; ///< Mouse button event parameters (Event::MouseButtonPressed, Event::MouseButtonReleased)
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MouseWheelEvent mouseWheel; ///< Mouse wheel event parameters (Event::MouseWheelMoved) (deprecated)
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MouseWheelScrollEvent mouseWheelScroll; ///< Mouse wheel event parameters (Event::MouseWheelScrolled)
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JoystickMoveEvent joystickMove; ///< Joystick move event parameters (Event::JoystickMoved)
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JoystickButtonEvent joystickButton; ///< Joystick button event parameters (Event::JoystickButtonPressed, Event::JoystickButtonReleased)
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JoystickConnectEvent joystickConnect; ///< Joystick (dis)connect event parameters (Event::JoystickConnected, Event::JoystickDisconnected)
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TouchEvent touch; ///< Touch events parameters (Event::TouchBegan, Event::TouchMoved, Event::TouchEnded)
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SensorEvent sensor; ///< Sensor event parameters (Event::SensorChanged)
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};
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};
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} // namespace sf
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#endif // SFML_EVENT_HPP
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////////////////////////////////////////////////////////////
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/// \class sf::Event
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/// \ingroup window
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///
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/// sf::Event holds all the informations about a system event
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/// that just happened. Events are retrieved using the
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/// sf::Window::pollEvent and sf::Window::waitEvent functions.
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///
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/// A sf::Event instance contains the type of the event
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/// (mouse moved, key pressed, window closed, ...) as well
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/// as the details about this particular event. Please note that
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/// the event parameters are defined in a union, which means that
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/// only the member matching the type of the event will be properly
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/// filled; all other members will have undefined values and must not
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/// be read if the type of the event doesn't match. For example,
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/// if you received a KeyPressed event, then you must read the
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/// event.key member, all other members such as event.mouseMove
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/// or event.text will have undefined values.
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///
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/// Usage example:
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/// \code
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/// sf::Event event;
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/// while (window.pollEvent(event))
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/// {
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/// // Request for closing the window
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/// if (event.type == sf::Event::Closed)
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/// window.close();
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///
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/// // The escape key was pressed
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/// if ((event.type == sf::Event::KeyPressed) && (event.key.code == sf::Keyboard::Escape))
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/// window.close();
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///
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/// // The window was resized
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/// if (event.type == sf::Event::Resized)
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/// doSomethingWithTheNewSize(event.size.width, event.size.height);
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///
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/// // etc ...
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/// }
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/// \endcode
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///
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////////////////////////////////////////////////////////////
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