src/events/SDL_mouse_c.h
author Sam Lantinga
Mon, 08 Dec 2008 00:52:12 +0000
changeset 2860 6ce28e5287e9
parent 2859 99210400e8b9
child 2940 b93965a16fe0
permissions -rw-r--r--
Date: Sun, 07 Dec 2008 13:35:23 +0100
From: Couriersud
Subject: SDL: Mouse last_x, last_y into SDL_Mouse

the attached diff moves the static vars last_x and last_y into
SDL_Mouse. These, as far as I understand it, should be tied to the
individual mouse.

The patch also makes the code check for out of window conditions of
mouse->x,y when relative movements are passed to MouseSendMotion.

Also attached is the latest DirectFB code (dfb20081208) supporting
multiple mice and keyboards. This works quite well with sdlmame now. It
however needs more testing with different directfb configurations.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2009 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     SDL_Cursor *next;
    33     void *driverdata;
    34 };
    35 
    36 struct SDL_Mouse
    37 {
    38     /* Create a cursor from a surface */
    39     SDL_Cursor *(*CreateCursor) (SDL_Surface * surface, int hot_x, int hot_y);
    40 
    41     /* Show the specified cursor, or hide if cursor is NULL */
    42     int (*ShowCursor) (SDL_Cursor * cursor);
    43 
    44     /* This is called when a mouse motion event occurs */
    45     void (*MoveCursor) (SDL_Cursor * cursor);
    46 
    47     /* Free a window manager cursor */
    48     void (*FreeCursor) (SDL_Cursor * cursor);
    49 
    50     /* Warp the mouse to (x,y) */
    51     void (*WarpMouse) (SDL_Mouse * mouse, SDL_WindowID windowID, int x,
    52                        int y);
    53 
    54     /* Free the mouse when it's time */
    55     void (*FreeMouse) (SDL_Mouse * mouse);
    56 
    57     /* data common for tablets */
    58     int pressure;
    59     int pressure_max;
    60     int pressure_min;
    61     int tilt;                   /* for future use */
    62     int rotation;               /* for future use */
    63     int total_ends;
    64     int current_end;
    65 
    66     /* Data common to all mice */
    67     SDL_WindowID focus;
    68     int which;
    69     int x;
    70     int y;
    71     int z;                      /* for future use */
    72     int xdelta;
    73     int ydelta;
    74     int last_x, last_y;         /* the last reported x and y coordinates */
    75     char *name;
    76     Uint8 buttonstate;
    77     SDL_bool relative_mode;
    78     SDL_bool proximity;
    79     SDL_bool flush_motion;
    80 
    81     SDL_Cursor *cursors;
    82     SDL_Cursor *def_cursor;
    83     SDL_Cursor *cur_cursor;
    84     SDL_bool cursor_shown;
    85 
    86     void *driverdata;
    87 };
    88 
    89 /* Initialize the mouse subsystem */
    90 extern int SDL_MouseInit(void);
    91 
    92 /* Assign an id to a mouse at an index */
    93 extern int SDL_SetMouseIndexId(int id, int index);
    94 
    95 /* Get the index of a mouse specified by id */
    96 extern int SDL_GetMouseIndexId(int id);
    97 
    98 /* Get the mouse at an index */
    99 extern SDL_Mouse *SDL_GetMouse(int index);
   100 
   101 /* Add a mouse, possibly reattaching at a particular index (or -1),
   102    returning the index of the mouse, or -1 if there was an error.
   103  */
   104 extern int SDL_AddMouse(const SDL_Mouse * mouse, int index, char *name,
   105                         int pressure_max, int pressure_min, int ends);
   106 
   107 /* Remove a mouse at an index, clearing the slot for later */
   108 extern void SDL_DelMouse(int index);
   109 
   110 /* Clear the button state of a mouse at an index */
   111 extern void SDL_ResetMouse(int index);
   112 
   113 /* Set the mouse focus window */
   114 extern void SDL_SetMouseFocus(int id, SDL_WindowID windowID);
   115 
   116 /* Send a mouse motion event for a mouse */
   117 extern int SDL_SendMouseMotion(int id, int relative, int x, int y, int z);
   118 
   119 /* Send a mouse button event for a mouse */
   120 extern int SDL_SendMouseButton(int id, Uint8 state, Uint8 button);
   121 
   122 /* Send a mouse wheel event for a mouse */
   123 extern int SDL_SendMouseWheel(int id, int x, int y);
   124 
   125 /* Send a proximity event for a mouse */
   126 extern int SDL_SendProximity(int id, int x, int y, int type);
   127 
   128 /* Shutdown the mouse subsystem */
   129 extern void SDL_MouseQuit(void);
   130 
   131 /* FIXME: Where do these functions go in this header? */
   132 extern void SDL_ChangeEnd(int id, int end);
   133 
   134 #endif /* _SDL_mouse_c_h */
   135 
   136 /* vi: set ts=4 sw=4 expandtab: */