forked from valve/halflife-sdk
223 lines
7.4 KiB
C
223 lines
7.4 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_mouse.h
|
|
*
|
|
* Include file for SDL mouse event handling.
|
|
*/
|
|
|
|
#ifndef _SDL_mouse_h
|
|
#define _SDL_mouse_h
|
|
|
|
#include "SDL_stdinc.h"
|
|
#include "SDL_error.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
|
|
|
|
typedef struct SDL_Cursor SDL_Cursor; /* Implementation dependent */
|
|
|
|
/**
|
|
* \brief Cursor types for SDL_CreateSystemCursor.
|
|
*/
|
|
typedef enum
|
|
{
|
|
SDL_SYSTEM_CURSOR_ARROW, // Arrow
|
|
SDL_SYSTEM_CURSOR_IBEAM, // I-beam
|
|
SDL_SYSTEM_CURSOR_WAIT, // Wait
|
|
SDL_SYSTEM_CURSOR_CROSSHAIR, // Crosshair
|
|
SDL_SYSTEM_CURSOR_WAITARROW, // Small wait cursor (or Wait if not available)
|
|
SDL_SYSTEM_CURSOR_SIZENWSE, // Double arrow pointing northwest and southeast
|
|
SDL_SYSTEM_CURSOR_SIZENESW, // Double arrow pointing northeast and southwest
|
|
SDL_SYSTEM_CURSOR_SIZEWE, // Double arrow pointing west and east
|
|
SDL_SYSTEM_CURSOR_SIZENS, // Double arrow pointing north and south
|
|
SDL_SYSTEM_CURSOR_SIZEALL, // Four pointed arrow pointing north, south, east, and west
|
|
SDL_SYSTEM_CURSOR_NO, // Slashed circle or crossbones
|
|
SDL_SYSTEM_CURSOR_HAND, // Hand
|
|
SDL_NUM_SYSTEM_CURSORS
|
|
} SDL_SystemCursor;
|
|
|
|
/* Function prototypes */
|
|
|
|
/**
|
|
* \brief Get the window which currently has mouse focus.
|
|
*/
|
|
extern DECLSPEC SDL_Window * SDLCALL SDL_GetMouseFocus(void);
|
|
|
|
/**
|
|
* \brief Retrieve the current state of the mouse.
|
|
*
|
|
* The current button state is returned as a button bitmask, which can
|
|
* be tested using the SDL_BUTTON(X) macros, and x and y are set to the
|
|
* mouse cursor position relative to the focus window for the currently
|
|
* selected mouse. You can pass NULL for either x or y.
|
|
*/
|
|
extern DECLSPEC Uint32 SDLCALL SDL_GetMouseState(int *x, int *y);
|
|
|
|
/**
|
|
* \brief Retrieve the relative state of the mouse.
|
|
*
|
|
* The current button state is returned as a button bitmask, which can
|
|
* be tested using the SDL_BUTTON(X) macros, and x and y are set to the
|
|
* mouse deltas since the last call to SDL_GetRelativeMouseState().
|
|
*/
|
|
extern DECLSPEC Uint32 SDLCALL SDL_GetRelativeMouseState(int *x, int *y);
|
|
|
|
/**
|
|
* \brief Moves the mouse to the given position within the window.
|
|
*
|
|
* \param window The window to move the mouse into, or NULL for the current mouse focus
|
|
* \param x The x coordinate within the window
|
|
* \param y The y coordinate within the window
|
|
*
|
|
* \note This function generates a mouse motion event
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_WarpMouseInWindow(SDL_Window * window,
|
|
int x, int y);
|
|
|
|
/**
|
|
* \brief Set relative mouse mode.
|
|
*
|
|
* \param enabled Whether or not to enable relative mode
|
|
*
|
|
* \return 0 on success, or -1 if relative mode is not supported.
|
|
*
|
|
* While the mouse is in relative mode, the cursor is hidden, and the
|
|
* driver will try to report continuous motion in the current window.
|
|
* Only relative motion events will be delivered, the mouse position
|
|
* will not change.
|
|
*
|
|
* \note This function will flush any pending mouse motion.
|
|
*
|
|
* \sa SDL_GetRelativeMouseMode()
|
|
*/
|
|
extern DECLSPEC int SDLCALL SDL_SetRelativeMouseMode(SDL_bool enabled);
|
|
|
|
/**
|
|
* \brief Query whether relative mouse mode is enabled.
|
|
*
|
|
* \sa SDL_SetRelativeMouseMode()
|
|
*/
|
|
extern DECLSPEC SDL_bool SDLCALL SDL_GetRelativeMouseMode(void);
|
|
|
|
/**
|
|
* \brief Create a cursor, using the specified bitmap data and
|
|
* mask (in MSB format).
|
|
*
|
|
* The cursor width must be a multiple of 8 bits.
|
|
*
|
|
* The cursor is created in black and white according to the following:
|
|
* <table>
|
|
* <tr><td> data </td><td> mask </td><td> resulting pixel on screen </td></tr>
|
|
* <tr><td> 0 </td><td> 1 </td><td> White </td></tr>
|
|
* <tr><td> 1 </td><td> 1 </td><td> Black </td></tr>
|
|
* <tr><td> 0 </td><td> 0 </td><td> Transparent </td></tr>
|
|
* <tr><td> 1 </td><td> 0 </td><td> Inverted color if possible, black
|
|
* if not. </td></tr>
|
|
* </table>
|
|
*
|
|
* \sa SDL_FreeCursor()
|
|
*/
|
|
extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateCursor(const Uint8 * data,
|
|
const Uint8 * mask,
|
|
int w, int h, int hot_x,
|
|
int hot_y);
|
|
|
|
/**
|
|
* \brief Create a color cursor.
|
|
*
|
|
* \sa SDL_FreeCursor()
|
|
*/
|
|
extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateColorCursor(SDL_Surface *surface,
|
|
int hot_x,
|
|
int hot_y);
|
|
|
|
/**
|
|
* \brief Create a system cursor.
|
|
*
|
|
* \sa SDL_FreeCursor()
|
|
*/
|
|
extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateSystemCursor(SDL_SystemCursor id);
|
|
|
|
/**
|
|
* \brief Set the active cursor.
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_SetCursor(SDL_Cursor * cursor);
|
|
|
|
/**
|
|
* \brief Return the active cursor.
|
|
*/
|
|
extern DECLSPEC SDL_Cursor *SDLCALL SDL_GetCursor(void);
|
|
|
|
/**
|
|
* \brief Frees a cursor created with SDL_CreateCursor().
|
|
*
|
|
* \sa SDL_CreateCursor()
|
|
*/
|
|
extern DECLSPEC void SDLCALL SDL_FreeCursor(SDL_Cursor * cursor);
|
|
|
|
/**
|
|
* \brief Toggle whether or not the cursor is shown.
|
|
*
|
|
* \param toggle 1 to show the cursor, 0 to hide it, -1 to query the current
|
|
* state.
|
|
*
|
|
* \return 1 if the cursor is shown, or 0 if the cursor is hidden.
|
|
*/
|
|
extern DECLSPEC int SDLCALL SDL_ShowCursor(int toggle);
|
|
|
|
/**
|
|
* Used as a mask when testing buttons in buttonstate.
|
|
* - Button 1: Left mouse button
|
|
* - Button 2: Middle mouse button
|
|
* - Button 3: Right mouse button
|
|
*/
|
|
#define SDL_BUTTON(X) (1 << ((X)-1))
|
|
#define SDL_BUTTON_LEFT 1
|
|
#define SDL_BUTTON_MIDDLE 2
|
|
#define SDL_BUTTON_RIGHT 3
|
|
#define SDL_BUTTON_X1 4
|
|
#define SDL_BUTTON_X2 5
|
|
#define SDL_BUTTON_LMASK SDL_BUTTON(SDL_BUTTON_LEFT)
|
|
#define SDL_BUTTON_MMASK SDL_BUTTON(SDL_BUTTON_MIDDLE)
|
|
#define SDL_BUTTON_RMASK SDL_BUTTON(SDL_BUTTON_RIGHT)
|
|
#define SDL_BUTTON_X1MASK SDL_BUTTON(SDL_BUTTON_X1)
|
|
#define SDL_BUTTON_X2MASK SDL_BUTTON(SDL_BUTTON_X2)
|
|
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
/* *INDENT-OFF* */
|
|
}
|
|
/* *INDENT-ON* */
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* _SDL_mouse_h */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|