forked from valve/halflife-sdk
219 lines
6.6 KiB
C
219 lines
6.6 KiB
C
/*
|
|
Simple DirectMedia Layer
|
|
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
/**
|
|
* \file SDL_keyboard.h
|
|
*
|
|
* Include file for SDL keyboard event handling
|
|
*/
|
|
|
|
#ifndef _SDL_keyboard_h
|
|
#define _SDL_keyboard_h
|
|
|
|
#include "SDL_stdinc.h"
|
|
#include "SDL_error.h"
|
|
#include "SDL_keycode.h"
|
|
#include "SDL_video.h"
|
|
|
|
#include "begin_code.h"
|
|
/* Set up for C function definitions, even when using C++ */
|
|
#ifdef __cplusplus
|
|
/* *INDENT-OFF* */
|
|
extern "C" {
|
|
/* *INDENT-ON* */
|
|
#endif
|
|
|
|
/**
|
|
* \brief The SDL keysym structure, used in key events.
|
|
*/
|
|
typedef struct SDL_Keysym
|
|
{
|
|
SDL_Scancode scancode; /**< SDL physical key code - see ::SDL_Scancode for details */
|
|
SDL_Keycode sym; /**< SDL virtual key code - see ::SDL_Keycode for details */
|
|
Uint16 mod; /**< current key modifiers */
|
|
Uint32 unicode; /**< \deprecated use SDL_TextInputEvent instead */
|
|
} SDL_Keysym;
|
|
|
|
/* Function prototypes */
|
|
|
|
/**
|
|
* \brief Get the window which currently has keyboard focus.
|
|
*/
|
|
extern DECLSPEC SDL_Window * SDLCALL SDL_GetKeyboardFocus(void);
|
|
|
|
/**
|
|
* \brief Get a snapshot of the current state of the keyboard.
|
|
*
|
|
* \param numkeys if non-NULL, receives the length of the returned array.
|
|
*
|
|
* \return An array of key states. Indexes into this array are obtained by using ::SDL_Scancode values.
|
|
*
|
|
* \b Example:
|
|
* \code
|
|
* Uint8 *state = SDL_GetKeyboardState(NULL);
|
|
* if ( state[SDL_SCANCODE_RETURN] ) {
|
|
* printf("<RETURN> is pressed.\n");
|
|
* }
|
|
* \endcode
|
|
*/
|
|
extern DECLSPEC Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys);
|
|
|
|
/**
|
|
* \brief Get the current key modifier state for the keyboard.
|
|
*/
|
|
extern DECLSPEC SDL_Keymod SDLCALL SDL_GetModState(void);
|
|
|
|
/**
|
|
* \brief Set the current key modifier state for the keyboard.
|
|
*
|
|
* \note This does not change the keyboard state, only the key modifier flags.
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_SetModState(SDL_Keymod modstate);
|
|
|
|
/**
|
|
* \brief Get the key code corresponding to the given scancode according
|
|
* to the current keyboard layout.
|
|
*
|
|
* See ::SDL_Keycode for details.
|
|
*
|
|
* \sa SDL_GetKeyName()
|
|
*/
|
|
extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromScancode(SDL_Scancode scancode);
|
|
|
|
/**
|
|
* \brief Get the scancode corresponding to the given key code according to the
|
|
* current keyboard layout.
|
|
*
|
|
* See ::SDL_Scancode for details.
|
|
*
|
|
* \sa SDL_GetScancodeName()
|
|
*/
|
|
extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromKey(SDL_Keycode key);
|
|
|
|
/**
|
|
* \brief Get a human-readable name for a scancode.
|
|
*
|
|
* \return A pointer to the name for the scancode.
|
|
* If the scancode doesn't have a name, this function returns
|
|
* an empty string ("").
|
|
*
|
|
* \sa SDL_Scancode
|
|
*/
|
|
extern DECLSPEC const char *SDLCALL SDL_GetScancodeName(SDL_Scancode scancode);
|
|
|
|
/**
|
|
* \brief Get a scancode from a human-readable name
|
|
*
|
|
* \return scancode, or SDL_SCANCODE_UNKNOWN if the name wasn't recognized
|
|
*
|
|
* \sa SDL_Scancode
|
|
*/
|
|
extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromName(const char *name);
|
|
|
|
/**
|
|
* \brief Get a human-readable name for a key.
|
|
*
|
|
* \return A pointer to a UTF-8 string that stays valid at least until the next
|
|
* call to this function. If you need it around any longer, you must
|
|
* copy it. If the key doesn't have a name, this function returns an
|
|
* empty string ("").
|
|
*
|
|
* \sa SDL_Key
|
|
*/
|
|
extern DECLSPEC const char *SDLCALL SDL_GetKeyName(SDL_Keycode key);
|
|
|
|
/**
|
|
* \brief Get a key code from a human-readable name
|
|
*
|
|
* \return key code, or SDLK_UNKNOWN if the name wasn't recognized
|
|
*
|
|
* \sa SDL_Keycode
|
|
*/
|
|
extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromName(const char *name);
|
|
|
|
/**
|
|
* \brief Start accepting Unicode text input events.
|
|
* This function will show the on-screen keyboard if supported.
|
|
*
|
|
* \sa SDL_StopTextInput()
|
|
* \sa SDL_SetTextInputRect()
|
|
* \sa SDL_HasScreenKeyboardSupport()
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_StartTextInput(void);
|
|
|
|
/**
|
|
* \brief Return whether or not Unicode text input events are enabled.
|
|
*
|
|
* \sa SDL_StartTextInput()
|
|
* \sa SDL_StopTextInput()
|
|
*/
|
|
extern DECLSPEC SDL_bool SDLCALL SDL_IsTextInputActive(void);
|
|
|
|
/**
|
|
* \brief Stop receiving any text input events.
|
|
* This function will hide the on-screen keyboard if supported.
|
|
*
|
|
* \sa SDL_StartTextInput()
|
|
* \sa SDL_HasScreenKeyboardSupport()
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_StopTextInput(void);
|
|
|
|
/**
|
|
* \brief Set the rectangle used to type Unicode text inputs.
|
|
* This is used as a hint for IME and on-screen keyboard placement.
|
|
*
|
|
* \sa SDL_StartTextInput()
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_SetTextInputRect(SDL_Rect *rect);
|
|
|
|
/**
|
|
* \brief Returns whether the platform has some screen keyboard support.
|
|
*
|
|
* \return SDL_TRUE if some keyboard support is available else SDL_FALSE.
|
|
*
|
|
* \note Not all screen keyboard functions are supported on all platforms.
|
|
*
|
|
* \sa SDL_IsScreenKeyboardShown()
|
|
*/
|
|
extern DECLSPEC SDL_bool SDLCALL SDL_HasScreenKeyboardSupport(void);
|
|
|
|
/**
|
|
* \brief Returns whether the screen keyboard is shown for given window.
|
|
*
|
|
* \param window The window for which screen keyboard should be queried.
|
|
*
|
|
* \return SDL_TRUE if screen keyboard is shown else SDL_FALSE.
|
|
*
|
|
* \sa SDL_HasScreenKeyboardSupport()
|
|
*/
|
|
extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenKeyboardShown(SDL_Window *window);
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
/* *INDENT-OFF* */
|
|
}
|
|
/* *INDENT-ON* */
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* _SDL_keyboard_h */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|