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Diffstat (limited to 'code/SDL12/include/SDL_mouse.h')
| -rw-r--r-- | code/SDL12/include/SDL_mouse.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/code/SDL12/include/SDL_mouse.h b/code/SDL12/include/SDL_mouse.h new file mode 100644 index 0000000..a573f04 --- /dev/null +++ b/code/SDL12/include/SDL_mouse.h @@ -0,0 +1,143 @@ +/* + 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_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 +extern "C" { +#endif + +typedef struct WMcursor WMcursor; /**< Implementation dependent */ +typedef struct SDL_Cursor { + SDL_Rect area; /**< The area of the mouse cursor */ + Sint16 hot_x, hot_y; /**< The "tip" of the cursor */ + Uint8 *data; /**< B/W cursor data */ + Uint8 *mask; /**< B/W cursor mask */ + Uint8 *save[2]; /**< Place to save cursor area */ + WMcursor *wm_cursor; /**< Window-manager cursor */ +} SDL_Cursor; + +/* Function prototypes */ +/** + * 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 + * current mouse cursor position. You can pass NULL for either x or y. + */ +extern DECLSPEC Uint8 SDLCALL SDL_GetMouseState(int *x, int *y); + +/** + * 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 deltas since the last call to SDL_GetRelativeMouseState(). + */ +extern DECLSPEC Uint8 SDLCALL SDL_GetRelativeMouseState(int *x, int *y); + +/** + * Set the position of the mouse cursor (generates a mouse motion event) + */ +extern DECLSPEC void SDLCALL SDL_WarpMouse(Uint16 x, Uint16 y); + +/** + * Create a cursor using the specified 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: + * data mask resulting pixel on screen + * 0 1 White + * 1 1 Black + * 0 0 Transparent + * 1 0 Inverted color if possible, black if not. + * + * Cursors created with this function must be freed with SDL_FreeCursor(). + */ +extern DECLSPEC SDL_Cursor * SDLCALL SDL_CreateCursor + (Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y); + +/** + * Set the currently active cursor to the specified one. + * If the cursor is currently visible, the change will be immediately + * represented on the display. + */ +extern DECLSPEC void SDLCALL SDL_SetCursor(SDL_Cursor *cursor); + +/** + * Returns the currently active cursor. + */ +extern DECLSPEC SDL_Cursor * SDLCALL SDL_GetCursor(void); + +/** + * Deallocates a cursor created with SDL_CreateCursor(). + */ +extern DECLSPEC void SDLCALL SDL_FreeCursor(SDL_Cursor *cursor); + +/** + * Toggle whether or not the cursor is shown on the screen. + * The cursor start off displayed, but can be turned off. + * SDL_ShowCursor() returns 1 if the cursor was being displayed + * before the call, or 0 if it was not. You can query the current + * state by passing a 'toggle' value of -1. + */ +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 + * Button 4: Mouse wheel up (may also be a real button) + * Button 5: Mouse wheel down (may also be a real 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_WHEELUP 4 +#define SDL_BUTTON_WHEELDOWN 5 +#define SDL_BUTTON_X1 6 +#define SDL_BUTTON_X2 7 +#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 +} +#endif +#include "close_code.h" + +#endif /* _SDL_mouse_h */ |