1/***********************************************************
2
3Copyright 1987, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25
26Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
27
28                        All Rights Reserved
29
30Permission to use, copy, modify, and distribute this software and its
31documentation for any purpose and without fee is hereby granted,
32provided that the above copyright notice appear in all copies and that
33both that copyright notice and this permission notice appear in
34supporting documentation, and that the name of Digital not be
35used in advertising or publicity pertaining to distribution of the
36software without specific, written prior permission.
37
38DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
39ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
40DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
41ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
44SOFTWARE.
45
46******************************************************************/
47
48#ifndef CURSOR_H
49#define CURSOR_H
50
51#include "misc.h"
52#include "screenint.h"
53#include "window.h"
54
55#define NullCursor ((CursorPtr)NULL)
56
57/* Provide support for alpha composited cursors */
58#ifdef RENDER
59#define ARGB_CURSOR
60#endif
61
62struct _DeviceIntRec;
63
64typedef struct _Cursor *CursorPtr;
65typedef struct _CursorMetric *CursorMetricPtr;
66
67extern int cursorScreenDevPriv[MAXSCREENS];
68#define CursorScreenKey(pScreen) (cursorScreenDevPriv + (pScreen)->myNum)
69
70extern CursorPtr rootCursor;
71
72extern int FreeCursor(
73    pointer /*pCurs*/,
74    XID /*cid*/);
75
76extern int AllocARGBCursor(
77    unsigned char* /*psrcbits*/,
78    unsigned char* /*pmaskbits*/,
79    CARD32* /*argb*/,
80    CursorMetricPtr /*cm*/,
81    unsigned /*foreRed*/,
82    unsigned /*foreGreen*/,
83    unsigned /*foreBlue*/,
84    unsigned /*backRed*/,
85    unsigned /*backGreen*/,
86    unsigned /*backBlue*/,
87    CursorPtr* /*ppCurs*/,
88    ClientPtr /*client*/,
89    XID /*cid*/);
90
91extern int AllocGlyphCursor(
92    Font /*source*/,
93    unsigned int /*sourceChar*/,
94    Font /*mask*/,
95    unsigned int /*maskChar*/,
96    unsigned /*foreRed*/,
97    unsigned /*foreGreen*/,
98    unsigned /*foreBlue*/,
99    unsigned /*backRed*/,
100    unsigned /*backGreen*/,
101    unsigned /*backBlue*/,
102    CursorPtr* /*ppCurs*/,
103    ClientPtr /*client*/,
104    XID /*cid*/);
105
106extern CursorPtr CreateRootCursor(
107    char* /*pfilename*/,
108    unsigned int /*glyph*/);
109
110extern int ServerBitsFromGlyph(
111    FontPtr /*pfont*/,
112    unsigned int /*ch*/,
113    CursorMetricPtr /*cm*/,
114    unsigned char ** /*ppbits*/);
115
116extern Bool CursorMetricsFromGlyph(
117    FontPtr /*pfont*/,
118    unsigned /*ch*/,
119    CursorMetricPtr /*cm*/);
120
121extern void CheckCursorConfinement(
122    WindowPtr /*pWin*/);
123
124extern void NewCurrentScreen(
125    struct _DeviceIntRec* /*pDev*/,
126    ScreenPtr /*newScreen*/,
127    int /*x*/,
128    int /*y*/);
129
130extern Bool PointerConfinedToScreen(struct _DeviceIntRec* /* pDev */);
131
132extern void GetSpritePosition(
133    struct _DeviceIntRec* /* pDev */,
134    int * /*px*/,
135    int * /*py*/);
136
137#ifdef PANORAMIX
138extern int XineramaGetCursorScreen(struct _DeviceIntRec* pDev);
139#endif /* PANORAMIX */
140
141#endif /* CURSOR_H */
142