hw/dmx/dmxcursor.h

   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@xfree86.org>
  31  *   Kevin E. Martin <kem@redhat.com>
  32  *   Rickard E. (Rik) Faith <faith@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
  52 /** Sprite functions for mi layer. \see dmxcursor.c \see dmxscrinit.c */
  53 extern miPointerSpriteFuncRec dmxPointerSpriteFuncs;
  54
  55 extern void dmxReInitOrigins(void);
  56 extern void dmxInitOrigins(void);
  57 extern void dmxInitOverlap(void);
  58 extern void dmxCursorNoMulti(void);
  59 extern void dmxMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y);
  60 extern void dmxCheckCursor(void);
  61 extern int dmxOnScreen(int x, int y, DMXScreenInfo * dmxScreen);
  62 extern void dmxHideCursor(DMXScreenInfo * dmxScreen);
  63
  64 extern void dmxBECreateCursor(ScreenPtr pScreen, CursorPtr pCursor);
  65 extern Bool dmxBEFreeCursor(ScreenPtr pScreen, CursorPtr pCursor);
  66
  67 #define DMX_GET_CURSOR_PRIV(_pCursor, _pScreen) ((dmxCursorPrivPtr) \
  68     dixLookupScreenPrivate(&(_pCursor)->devPrivates, CursorScreenKey, _pScreen))
  69
  70 #define DMX_SET_CURSOR_PRIV(_pCursor, _pScreen, v) \
  71     dixSetScreenPrivate(&(_pCursor)->devPrivates, CursorScreenKey, _pScreen, v)
  72
  73 #endif                          /* DMXCURSOR_H */