| 1 | /*
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| 2 | * Copyright © 2002 Keith Packard
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 5 | * documentation for any purpose is hereby granted without fee, provided that
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| 6 | * the above copyright notice appear in all copies and that both that
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| 7 | * copyright notice and this permission notice appear in supporting
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| 8 | * documentation, and that the name of Keith Packard not be used in
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| 9 | * advertising or publicity pertaining to distribution of the software without
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| 10 | * specific, written prior permission. Keith Packard makes no
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| 11 | * representations about the suitability of this software for any purpose. It
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| 12 | * is provided "as is" without express or implied warranty.
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| 13 | *
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| 14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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| 20 | * PERFORMANCE OF THIS SOFTWARE.
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| 21 | */
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| 22 |
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| 23 | #ifdef HAVE_DIX_CONFIG_H
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| 24 | #include <dix-config.h>
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| 25 | #endif
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| 26 |
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| 27 | #ifndef _XFIXES_H_
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| 28 | #define _XFIXES_H_
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| 29 |
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| 30 | #include "resource.h"
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| 31 |
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| 32 | extern _X_EXPORT RESTYPE RegionResType;
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| 33 | extern _X_EXPORT RESTYPE PointerBarrierType;
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| 34 | extern _X_EXPORT int XFixesErrorBase;
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| 35 |
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| 36 | #define VERIFY_REGION(pRegion, rid, client, mode) \
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| 37 | do { \
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| 38 | int err; \
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| 39 | err = dixLookupResourceByType((pointer *) &pRegion, rid, \
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| 40 | RegionResType, client, mode); \
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| 41 | if (err != Success) { \
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| 42 | client->errorValue = rid; \
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| 43 | return err; \
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| 44 | } \
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| 45 | } while (0)
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| 46 |
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| 47 | #define VERIFY_REGION_OR_NONE(pRegion, rid, client, mode) { \
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| 48 | pRegion = 0; \
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| 49 | if (rid) VERIFY_REGION(pRegion, rid, client, mode); \
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| 50 | }
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| 51 |
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| 52 | extern _X_EXPORT RegionPtr
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| 53 | XFixesRegionCopy (RegionPtr pRegion);
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| 54 |
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| 55 | struct PointerBarrier {
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| 56 | CARD16 x1, x2, y1, y2;
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| 57 | CARD32 directions;
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| 58 | };
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| 59 |
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| 60 |
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| 61 | extern int
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| 62 | barrier_get_direction(int, int, int, int);
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| 63 | extern BOOL
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| 64 | barrier_is_blocking(const struct PointerBarrier*, int, int, int, int, double*);
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| 65 | extern BOOL
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| 66 | barrier_is_blocking_direction(const struct PointerBarrier*, int);
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| 67 | extern void
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| 68 | barrier_clamp_to_barrier(struct PointerBarrier *barrier, int dir, int *x, int *y);
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| 69 |
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| 70 |
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| 71 |
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| 72 | #endif /* _XFIXES_H_ */
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