+++ /dev/null
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2009 Sam Lantinga
-
- This library 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 2.1 of the License, or (at your option) any later version.
-
- This library 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 this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-
-/**
- * @file SDL_events.h
- * Include file for SDL event handling
- */
-
-#ifndef _SDL_events_h
-#define _SDL_events_h
-
-#include "SDL_stdinc.h"
-#include "SDL_error.h"
-#include "SDL_active.h"
-#include "SDL_keyboard.h"
-#include "SDL_mouse.h"
-#include "SDL_joystick.h"
-#include "SDL_quit.h"
-
-#include "begin_code.h"
-/* Set up for C function definitions, even when using C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/** @name General keyboard/mouse state definitions */
-/*@{*/
-#define SDL_RELEASED 0
-#define SDL_PRESSED 1
-/*@}*/
-
-/** Event enumerations */
-typedef enum {
- SDL_NOEVENT = 0, /**< Unused (do not remove) */
- SDL_ACTIVEEVENT, /**< Application loses/gains visibility */
- SDL_KEYDOWN, /**< Keys pressed */
- SDL_KEYUP, /**< Keys released */
- SDL_MOUSEMOTION, /**< Mouse moved */
- SDL_MOUSEBUTTONDOWN, /**< Mouse button pressed */
- SDL_MOUSEBUTTONUP, /**< Mouse button released */
- SDL_JOYAXISMOTION, /**< Joystick axis motion */
- SDL_JOYBALLMOTION, /**< Joystick trackball motion */
- SDL_JOYHATMOTION, /**< Joystick hat position change */
- SDL_JOYBUTTONDOWN, /**< Joystick button pressed */
- SDL_JOYBUTTONUP, /**< Joystick button released */
- SDL_QUIT, /**< User-requested quit */
- SDL_SYSWMEVENT, /**< System specific event */
- SDL_EVENT_RESERVEDA, /**< Reserved for future use.. */
- SDL_EVENT_RESERVEDB, /**< Reserved for future use.. */
- SDL_VIDEORESIZE, /**< User resized video mode */
- SDL_VIDEOEXPOSE, /**< Screen needs to be redrawn */
- SDL_EVENT_RESERVED2, /**< Reserved for future use.. */
- SDL_EVENT_RESERVED3, /**< Reserved for future use.. */
- SDL_EVENT_RESERVED4, /**< Reserved for future use.. */
- SDL_EVENT_RESERVED5, /**< Reserved for future use.. */
- SDL_EVENT_RESERVED6, /**< Reserved for future use.. */
- SDL_EVENT_RESERVED7, /**< Reserved for future use.. */
- /** Events SDL_USEREVENT through SDL_MAXEVENTS-1 are for your use */
- SDL_USEREVENT = 24,
- /** This last event is only for bounding internal arrays
- * It is the number of bits in the event mask datatype -- Uint32
- */
- SDL_NUMEVENTS = 32
-} SDL_EventType;
-
-/** @name Predefined event masks */
-/*@{*/
-#define SDL_EVENTMASK(X) (1<<(X))
-typedef enum {
- SDL_ACTIVEEVENTMASK = SDL_EVENTMASK(SDL_ACTIVEEVENT),
- SDL_KEYDOWNMASK = SDL_EVENTMASK(SDL_KEYDOWN),
- SDL_KEYUPMASK = SDL_EVENTMASK(SDL_KEYUP),
- SDL_KEYEVENTMASK = SDL_EVENTMASK(SDL_KEYDOWN)|
- SDL_EVENTMASK(SDL_KEYUP),
- SDL_MOUSEMOTIONMASK = SDL_EVENTMASK(SDL_MOUSEMOTION),
- SDL_MOUSEBUTTONDOWNMASK = SDL_EVENTMASK(SDL_MOUSEBUTTONDOWN),
- SDL_MOUSEBUTTONUPMASK = SDL_EVENTMASK(SDL_MOUSEBUTTONUP),
- SDL_MOUSEEVENTMASK = SDL_EVENTMASK(SDL_MOUSEMOTION)|
- SDL_EVENTMASK(SDL_MOUSEBUTTONDOWN)|
- SDL_EVENTMASK(SDL_MOUSEBUTTONUP),
- SDL_JOYAXISMOTIONMASK = SDL_EVENTMASK(SDL_JOYAXISMOTION),
- SDL_JOYBALLMOTIONMASK = SDL_EVENTMASK(SDL_JOYBALLMOTION),
- SDL_JOYHATMOTIONMASK = SDL_EVENTMASK(SDL_JOYHATMOTION),
- SDL_JOYBUTTONDOWNMASK = SDL_EVENTMASK(SDL_JOYBUTTONDOWN),
- SDL_JOYBUTTONUPMASK = SDL_EVENTMASK(SDL_JOYBUTTONUP),
- SDL_JOYEVENTMASK = SDL_EVENTMASK(SDL_JOYAXISMOTION)|
- SDL_EVENTMASK(SDL_JOYBALLMOTION)|
- SDL_EVENTMASK(SDL_JOYHATMOTION)|
- SDL_EVENTMASK(SDL_JOYBUTTONDOWN)|
- SDL_EVENTMASK(SDL_JOYBUTTONUP),
- SDL_VIDEORESIZEMASK = SDL_EVENTMASK(SDL_VIDEORESIZE),
- SDL_VIDEOEXPOSEMASK = SDL_EVENTMASK(SDL_VIDEOEXPOSE),
- SDL_QUITMASK = SDL_EVENTMASK(SDL_QUIT),
- SDL_SYSWMEVENTMASK = SDL_EVENTMASK(SDL_SYSWMEVENT)
-} SDL_EventMask ;
-#define SDL_ALLEVENTS 0xFFFFFFFF
-/*@}*/
-
-/** Application visibility event structure */
-typedef struct SDL_ActiveEvent {
- Uint8 type; /**< SDL_ACTIVEEVENT */
- Uint8 gain; /**< Whether given states were gained or lost (1/0) */
- Uint8 state; /**< A mask of the focus states */
-} SDL_ActiveEvent;
-
-/** Keyboard event structure */
-typedef struct SDL_KeyboardEvent {
- Uint8 type; /**< SDL_KEYDOWN or SDL_KEYUP */
- Uint8 which; /**< The keyboard device index */
- Uint8 state; /**< SDL_PRESSED or SDL_RELEASED */
- SDL_keysym keysym;
-} SDL_KeyboardEvent;
-
-/** Mouse motion event structure */
-typedef struct SDL_MouseMotionEvent {
- Uint8 type; /**< SDL_MOUSEMOTION */
- Uint8 which; /**< The mouse device index */
- Uint8 state; /**< The current button state */
- Uint16 x, y; /**< The X/Y coordinates of the mouse */
- Sint16 xrel; /**< The relative motion in the X direction */
- Sint16 yrel; /**< The relative motion in the Y direction */
-} SDL_MouseMotionEvent;
-
-/** Mouse button event structure */
-typedef struct SDL_MouseButtonEvent {
- Uint8 type; /**< SDL_MOUSEBUTTONDOWN or SDL_MOUSEBUTTONUP */
- Uint8 which; /**< The mouse device index */
- Uint8 button; /**< The mouse button index */
- Uint8 state; /**< SDL_PRESSED or SDL_RELEASED */
- Uint16 x, y; /**< The X/Y coordinates of the mouse at press time */
-} SDL_MouseButtonEvent;
-
-/** Joystick axis motion event structure */
-typedef struct SDL_JoyAxisEvent {
- Uint8 type; /**< SDL_JOYAXISMOTION */
- Uint8 which; /**< The joystick device index */
- Uint8 axis; /**< The joystick axis index */
- Sint16 value; /**< The axis value (range: -32768 to 32767) */
-} SDL_JoyAxisEvent;
-
-/** Joystick trackball motion event structure */
-typedef struct SDL_JoyBallEvent {
- Uint8 type; /**< SDL_JOYBALLMOTION */
- Uint8 which; /**< The joystick device index */
- Uint8 ball; /**< The joystick trackball index */
- Sint16 xrel; /**< The relative motion in the X direction */
- Sint16 yrel; /**< The relative motion in the Y direction */
-} SDL_JoyBallEvent;
-
-/** Joystick hat position change event structure */
-typedef struct SDL_JoyHatEvent {
- Uint8 type; /**< SDL_JOYHATMOTION */
- Uint8 which; /**< The joystick device index */
- Uint8 hat; /**< The joystick hat index */
- Uint8 value; /**< The hat position value:
- * SDL_HAT_LEFTUP SDL_HAT_UP SDL_HAT_RIGHTUP
- * SDL_HAT_LEFT SDL_HAT_CENTERED SDL_HAT_RIGHT
- * SDL_HAT_LEFTDOWN SDL_HAT_DOWN SDL_HAT_RIGHTDOWN
- * Note that zero means the POV is centered.
- */
-} SDL_JoyHatEvent;
-
-/** Joystick button event structure */
-typedef struct SDL_JoyButtonEvent {
- Uint8 type; /**< SDL_JOYBUTTONDOWN or SDL_JOYBUTTONUP */
- Uint8 which; /**< The joystick device index */
- Uint8 button; /**< The joystick button index */
- Uint8 state; /**< SDL_PRESSED or SDL_RELEASED */
-} SDL_JoyButtonEvent;
-
-/** The "window resized" event
- * When you get this event, you are responsible for setting a new video
- * mode with the new width and height.
- */
-typedef struct SDL_ResizeEvent {
- Uint8 type; /**< SDL_VIDEORESIZE */
- int w; /**< New width */
- int h; /**< New height */
-} SDL_ResizeEvent;
-
-/** The "screen redraw" event */
-typedef struct SDL_ExposeEvent {
- Uint8 type; /**< SDL_VIDEOEXPOSE */
-} SDL_ExposeEvent;
-
-/** The "quit requested" event */
-typedef struct SDL_QuitEvent {
- Uint8 type; /**< SDL_QUIT */
-} SDL_QuitEvent;
-
-/** A user-defined event type */
-typedef struct SDL_UserEvent {
- Uint8 type; /**< SDL_USEREVENT through SDL_NUMEVENTS-1 */
- int code; /**< User defined event code */
- void *data1; /**< User defined data pointer */
- void *data2; /**< User defined data pointer */
-} SDL_UserEvent;
-
-/** If you want to use this event, you should include SDL_syswm.h */
-struct SDL_SysWMmsg;
-typedef struct SDL_SysWMmsg SDL_SysWMmsg;
-typedef struct SDL_SysWMEvent {
- Uint8 type;
- SDL_SysWMmsg *msg;
-} SDL_SysWMEvent;
-
-/** General event structure */
-typedef union SDL_Event {
- Uint8 type;
- SDL_ActiveEvent active;
- SDL_KeyboardEvent key;
- SDL_MouseMotionEvent motion;
- SDL_MouseButtonEvent button;
- SDL_JoyAxisEvent jaxis;
- SDL_JoyBallEvent jball;
- SDL_JoyHatEvent jhat;
- SDL_JoyButtonEvent jbutton;
- SDL_ResizeEvent resize;
- SDL_ExposeEvent expose;
- SDL_QuitEvent quit;
- SDL_UserEvent user;
- SDL_SysWMEvent syswm;
-} SDL_Event;
-
-
-/* Function prototypes */
-
-/** Pumps the event loop, gathering events from the input devices.
- * This function updates the event queue and internal input device state.
- * This should only be run in the thread that sets the video mode.
- */
-extern DECLSPEC void SDLCALL SDL_PumpEvents(void);
-
-typedef enum {
- SDL_ADDEVENT,
- SDL_PEEKEVENT,
- SDL_GETEVENT
-} SDL_eventaction;
-
-/**
- * Checks the event queue for messages and optionally returns them.
- *
- * If 'action' is SDL_ADDEVENT, up to 'numevents' events will be added to
- * the back of the event queue.
- * If 'action' is SDL_PEEKEVENT, up to 'numevents' events at the front
- * of the event queue, matching 'mask', will be returned and will not
- * be removed from the queue.
- * If 'action' is SDL_GETEVENT, up to 'numevents' events at the front
- * of the event queue, matching 'mask', will be returned and will be
- * removed from the queue.
- *
- * @return
- * This function returns the number of events actually stored, or -1
- * if there was an error.
- *
- * This function is thread-safe.
- */
-extern DECLSPEC int SDLCALL SDL_PeepEvents(SDL_Event *events, int numevents,
- SDL_eventaction action, Uint32 mask);
-
-/** Polls for currently pending events, and returns 1 if there are any pending
- * events, or 0 if there are none available. If 'event' is not NULL, the next
- * event is removed from the queue and stored in that area.
- */
-extern DECLSPEC int SDLCALL SDL_PollEvent(SDL_Event *event);
-
-/** Waits indefinitely for the next available event, returning 1, or 0 if there
- * was an error while waiting for events. If 'event' is not NULL, the next
- * event is removed from the queue and stored in that area.
- */
-extern DECLSPEC int SDLCALL SDL_WaitEvent(SDL_Event *event);
-
-/** Add an event to the event queue.
- * This function returns 0 on success, or -1 if the event queue was full
- * or there was some other error.
- */
-extern DECLSPEC int SDLCALL SDL_PushEvent(SDL_Event *event);
-
-/** @name Event Filtering */
-/*@{*/
-typedef int (SDLCALL *SDL_EventFilter)(const SDL_Event *event);
-/**
- * This function sets up a filter to process all events before they
- * change internal state and are posted to the internal event queue.
- *
- * The filter is protypted as:
- * @code typedef int (SDLCALL *SDL_EventFilter)(const SDL_Event *event); @endcode
- *
- * If the filter returns 1, then the event will be added to the internal queue.
- * If it returns 0, then the event will be dropped from the queue, but the
- * internal state will still be updated. This allows selective filtering of
- * dynamically arriving events.
- *
- * @warning Be very careful of what you do in the event filter function, as
- * it may run in a different thread!
- *
- * There is one caveat when dealing with the SDL_QUITEVENT event type. The
- * event filter is only called when the window manager desires to close the
- * application window. If the event filter returns 1, then the window will
- * be closed, otherwise the window will remain open if possible.
- * If the quit event is generated by an interrupt signal, it will bypass the
- * internal queue and be delivered to the application at the next event poll.
- */
-extern DECLSPEC void SDLCALL SDL_SetEventFilter(SDL_EventFilter filter);
-
-/**
- * Return the current event filter - can be used to "chain" filters.
- * If there is no event filter set, this function returns NULL.
- */
-extern DECLSPEC SDL_EventFilter SDLCALL SDL_GetEventFilter(void);
-/*@}*/
-
-/** @name Event State */
-/*@{*/
-#define SDL_QUERY -1
-#define SDL_IGNORE 0
-#define SDL_DISABLE 0
-#define SDL_ENABLE 1
-/*@}*/
-
-/**
-* This function allows you to set the state of processing certain events.
-* If 'state' is set to SDL_IGNORE, that event will be automatically dropped
-* from the event queue and will not event be filtered.
-* If 'state' is set to SDL_ENABLE, that event will be processed normally.
-* If 'state' is set to SDL_QUERY, SDL_EventState() will return the
-* current processing state of the specified event.
-*/
-extern DECLSPEC Uint8 SDLCALL SDL_EventState(Uint8 type, int state);
-
-/* Ends C function definitions when using C++ */
-#ifdef __cplusplus
-}
-#endif
-#include "close_code.h"
-
-#endif /* _SDL_events_h */
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