/*
SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
+ 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
slouken@libsdl.org
*/
-/* Include file for SDL event handling */
+/**
+ * @file SDL_events.h
+ * Include file for SDL event handling
+ */
#ifndef _SDL_events_h
#define _SDL_events_h
extern "C" {
#endif
-/* General keyboard/mouse state definitions */
+/** @name General keyboard/mouse state definitions */
+/*@{*/
#define SDL_RELEASED 0
#define SDL_PRESSED 1
+/*@}*/
-/* Event enumerations */
+/** 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_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
+ /** 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;
-/* Predefined event masks */
+/** @name Predefined event masks */
+/*@{*/
#define SDL_EVENTMASK(X) (1<<(X))
typedef enum {
SDL_ACTIVEEVENTMASK = SDL_EVENTMASK(SDL_ACTIVEEVENT),
SDL_SYSWMEVENTMASK = SDL_EVENTMASK(SDL_SYSWMEVENT)
} SDL_EventMask ;
#define SDL_ALLEVENTS 0xFFFFFFFF
+/*@}*/
-/* Application visibility event structure */
+/** 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 */
+ 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 */
+/** 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 */
+ 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 */
+/** 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 */
+ 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 */
+/** 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 */
+ 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 */
+/** 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) */
+ 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 */
+/** 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 */
+ 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 */
+/** 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.
- */
+ 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 */
+/** 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 */
+ 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.
+/** 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 */
+ Uint8 type; /**< SDL_VIDEORESIZE */
+ int w; /**< New width */
+ int h; /**< New height */
} SDL_ResizeEvent;
-/* The "screen redraw" event */
+/** The "screen redraw" event */
typedef struct SDL_ExposeEvent {
- Uint8 type; /* SDL_VIDEOEXPOSE */
+ Uint8 type; /**< SDL_VIDEOEXPOSE */
} SDL_ExposeEvent;
-/* The "quit requested" event */
+/** The "quit requested" event */
typedef struct SDL_QuitEvent {
- Uint8 type; /* SDL_QUIT */
+ Uint8 type; /**< SDL_QUIT */
} SDL_QuitEvent;
-/* A user-defined event type */
+/** 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 */
+ 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 */
+/** 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 {
SDL_SysWMmsg *msg;
} SDL_SysWMEvent;
-/* General event structure */
+/** General event structure */
typedef union SDL_Event {
Uint8 type;
SDL_ActiveEvent active;
/* 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.
-*/
+/** 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);
-/* 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.
- This function returns the number of events actually stored, or -1
- if there was an error. This function is thread-safe.
-*/
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.
+/** 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.
+/** 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.
+/** 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);
-/*
- 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:
-*/
+/** @name Event Filtering */
+/*@{*/
typedef int (SDLCALL *SDL_EventFilter)(const SDL_Event *event);
-/*
- 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.
-*/
+/**
+ * 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.
-*/
+/**
+ * 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);
+/*@}*/
-/*
- 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.
-*/
+/** @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
}
projects / xonotic / xonotic.git / blobdiff