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      1 /*
      2  * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
      3  *
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining
      7  * a copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation on the rights to use, copy, modify, merge,
     10  * publish, distribute, sublicense, and/or sell copies of the Software,
     11  * and to permit persons to whom the Software is furnished to do so,
     12  * subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial
     16  * portions of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
     22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     25  * SOFTWARE.
     26  */
     27 
     28 /*
     29  * Authors:
     30  *   David H. Dawes <dawes (at) xfree86.org>
     31  *   Kevin E. Martin <kem (at) redhat.com>
     32  *   Rickard E. (Rik) Faith <faith (at) redhat.com>
     33  *
     34  */
     35 
     36 /** \file
     37  * Interface for cursor support.  \see dmxcursor.c. */
     38 
     39 #ifndef DMXCURSOR_H
     40 #define DMXCURSOR_H
     41 
     42 #include "mipointer.h"
     43 
     44 /** Cursor private area. */
     45 typedef struct _dmxCursorPriv {
     46     Cursor  cursor;
     47 } dmxCursorPrivRec, *dmxCursorPrivPtr;
     48 
     49 /** Cursor functions for mi layer. \see dmxcursor.c \see dmxscrinit.c */
     50 extern miPointerScreenFuncRec dmxPointerCursorFuncs;
     51 /** Sprite functions for mi layer. \see dmxcursor.c \see dmxscrinit.c */
     52 extern miPointerSpriteFuncRec dmxPointerSpriteFuncs;
     53 
     54 extern void dmxReInitOrigins(void);
     55 extern void dmxInitOrigins(void);
     56 extern void dmxInitOverlap(void);
     57 extern void dmxCursorNoMulti(void);
     58 extern void dmxMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y);
     59 extern void dmxCheckCursor(void);
     60 extern int  dmxOnScreen(int x, int y, DMXScreenInfo *dmxScreen);
     61 extern void dmxHideCursor(DMXScreenInfo *dmxScreen);
     62 
     63 extern void dmxBECreateCursor(ScreenPtr pScreen, CursorPtr pCursor);
     64 extern Bool dmxBEFreeCursor(ScreenPtr pScreen, CursorPtr pCursor);
     65 
     66 #define DMX_GET_CURSOR_PRIV(_pCursor, _pScreen) ((dmxCursorPrivPtr) \
     67     dixLookupPrivate(&(_pCursor)->devPrivates, CursorScreenKey(_pScreen)))
     68 
     69 #define DMX_SET_CURSOR_PRIV(_pCursor, _pScreen, v) \
     70     dixSetPrivate(&(_pCursor)->devPrivates, CursorScreenKey(_pScreen), v)
     71 
     72 #endif /* DMXCURSOR_H */
     73