src/events/SDL_mouse_c.h
author Sam Lantinga
Fri, 09 Jun 2006 06:42:42 +0000
branchSDL-1.3
changeset 1671 89f7510fe17a
parent 1670 eef792d31de8
child 1722 5daa04d862f1
permissions -rw-r--r--
Moved the cursor handling into the mouse code.
Added support for multiple mice, potentially dynamically added and removed.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 #ifndef _SDL_mouse_c_h
    25 #define _SDL_mouse_c_h
    26 
    27 typedef struct SDL_Mouse SDL_Mouse;
    28 
    29 struct SDL_Cursor
    30 {
    31     SDL_Mouse *mouse;
    32 
    33     SDL_Cursor *next;
    34 
    35     void *driverdata;
    36 };
    37 
    38 struct SDL_Mouse
    39 {
    40     /* Create a cursor from a surface */
    41     SDL_Cursor *(*CreateCursor) (SDL_Surface * surface, int hot_x, int hot_y);
    42 
    43     /* Show the specified cursor, or hide if cursor is NULL */
    44     int (*ShowCursor) (SDL_Cursor * cursor);
    45 
    46     /* This is called when a mouse motion event occurs */
    47     void (*MoveCursor) (SDL_Cursor * cursor);
    48 
    49     /* Free a window manager cursor */
    50     void (*FreeCursor) (SDL_Cursor * cursor);
    51 
    52     /* Warp the mouse to (x,y) */
    53     void (*WarpMouse) (SDL_Mouse * mouse, SDL_WindowID windowID, int x,
    54                        int y);
    55 
    56     /* Free the mouse when it's time */
    57     void (*FreeMouse) (SDL_Mouse * mouse);
    58 
    59     /* Data common to all mice */
    60     SDL_WindowID focus;
    61     int x;
    62     int y;
    63     int xdelta;
    64     int ydelta;
    65     Uint8 buttonstate;
    66 
    67     SDL_Cursor *cursors;
    68     SDL_Cursor *def_cursor;
    69     SDL_Cursor *cur_cursor;
    70     SDL_bool cursor_shown;
    71 
    72     void *driverdata;
    73 };
    74 
    75 
    76 /* Initialize the mouse subsystem */
    77 extern int SDL_MouseInit(void);
    78 
    79 /* Get the mouse at an index */
    80 extern SDL_Mouse *SDL_GetMouse(int index);
    81 
    82 /* Add a mouse, possibly reattaching at a particular index (or -1),
    83    returning the index of the mouse, or -1 if there was an error.
    84  */
    85 extern int SDL_AddMouse(const SDL_Mouse * mouse, int index);
    86 
    87 /* Remove a mouse at an index, clearing the slot for later */
    88 extern void SDL_DelMouse(int index);
    89 
    90 /* Clear the button state of a mouse at an index */
    91 extern void SDL_ResetMouse(int index);
    92 
    93 /* Send a mouse motion event for a mouse at an index */
    94 extern int SDL_SendMouseMotion(int index, SDL_WindowID windowID, int relative,
    95                                int x, int y);
    96 
    97 /* Send a mouse button event for a mouse at an index */
    98 extern int SDL_SendMouseButton(int index, SDL_WindowID windowID, Uint8 state,
    99                                Uint8 button);
   100 
   101 /* Shutdown the mouse subsystem */
   102 extern void SDL_MouseQuit(void);
   103 
   104 #endif /* _SDL_mouse_c_h */
   105 
   106 /* vi: set ts=4 sw=4 expandtab: */