276 lines
10 KiB
C
276 lines
10 KiB
C
/***********************************************************
|
|
|
|
Copyright 1987, 1989, 1998 The Open Group
|
|
|
|
Permission to use, copy, modify, distribute, and sell this software and its
|
|
documentation for any purpose is hereby granted without fee, provided that
|
|
the above copyright notice appear in all copies and that both that
|
|
copyright notice and this permission notice appear in supporting
|
|
documentation.
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
Except as contained in this notice, the name of The Open Group shall not be
|
|
used in advertising or otherwise to promote the sale, use or other dealings
|
|
in this Software without prior written authorization from The Open Group.
|
|
|
|
Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the name of Digital not be
|
|
used in advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
|
|
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
|
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
SOFTWARE.
|
|
|
|
******************************************************************/
|
|
|
|
#ifndef RESOURCE_H
|
|
#define RESOURCE_H 1
|
|
#include "misc.h"
|
|
#include "dixaccess.h"
|
|
|
|
/*****************************************************************
|
|
* STUFF FOR RESOURCES
|
|
*****************************************************************/
|
|
|
|
/* classes for Resource routines */
|
|
|
|
typedef uint32_t RESTYPE;
|
|
|
|
#define RC_VANILLA ((RESTYPE)0)
|
|
#define RC_CACHED ((RESTYPE)1<<31)
|
|
#define RC_DRAWABLE ((RESTYPE)1<<30)
|
|
/* Use class RC_NEVERRETAIN for resources that should not be retained
|
|
* regardless of the close down mode when the client dies. (A client's
|
|
* event selections on objects that it doesn't own are good candidates.)
|
|
* Extensions can use this too!
|
|
*/
|
|
#define RC_NEVERRETAIN ((RESTYPE)1<<29)
|
|
#define RC_LASTPREDEF RC_NEVERRETAIN
|
|
#define RC_ANY (~(RESTYPE)0)
|
|
|
|
/* types for Resource routines */
|
|
|
|
#define RT_WINDOW ((RESTYPE)1|RC_DRAWABLE)
|
|
#define RT_PIXMAP ((RESTYPE)2|RC_DRAWABLE)
|
|
#define RT_GC ((RESTYPE)3)
|
|
#undef RT_FONT
|
|
#undef RT_CURSOR
|
|
#define RT_FONT ((RESTYPE)4)
|
|
#define RT_CURSOR ((RESTYPE)5)
|
|
#define RT_COLORMAP ((RESTYPE)6)
|
|
#define RT_CMAPENTRY ((RESTYPE)7)
|
|
#define RT_OTHERCLIENT ((RESTYPE)8|RC_NEVERRETAIN)
|
|
#define RT_PASSIVEGRAB ((RESTYPE)9|RC_NEVERRETAIN)
|
|
#define RT_LASTPREDEF ((RESTYPE)9)
|
|
#define RT_NONE ((RESTYPE)0)
|
|
|
|
extern _X_EXPORT unsigned int ResourceClientBits(void);
|
|
/* bits and fields within a resource id */
|
|
#define RESOURCE_AND_CLIENT_COUNT 29 /* 29 bits for XIDs */
|
|
#define RESOURCE_CLIENT_BITS ResourceClientBits() /* client field offset */
|
|
#define CLIENTOFFSET (RESOURCE_AND_CLIENT_COUNT - RESOURCE_CLIENT_BITS)
|
|
/* resource field */
|
|
#define RESOURCE_ID_MASK ((1 << CLIENTOFFSET) - 1)
|
|
/* client field */
|
|
#define RESOURCE_CLIENT_MASK (((1 << RESOURCE_CLIENT_BITS) - 1) << CLIENTOFFSET)
|
|
/* extract the client mask from an XID */
|
|
#define CLIENT_BITS(id) ((id) & RESOURCE_CLIENT_MASK)
|
|
/* extract the client id from an XID */
|
|
#define CLIENT_ID(id) ((int)(CLIENT_BITS(id) >> CLIENTOFFSET))
|
|
#define SERVER_BIT (Mask)0x40000000 /* use illegal bit */
|
|
|
|
#ifdef INVALID
|
|
#undef INVALID /* needed on HP/UX */
|
|
#endif
|
|
|
|
/* Invalid resource id */
|
|
#define INVALID (0)
|
|
|
|
#define BAD_RESOURCE 0xe0000000
|
|
|
|
#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
|
|
|
|
/* Resource state callback */
|
|
extern _X_EXPORT CallbackListPtr ResourceStateCallback;
|
|
|
|
typedef enum { ResourceStateAdding,
|
|
ResourceStateFreeing
|
|
} ResourceState;
|
|
|
|
typedef struct {
|
|
ResourceState state;
|
|
XID id;
|
|
RESTYPE type;
|
|
void *value;
|
|
} ResourceStateInfoRec;
|
|
|
|
typedef int (*DeleteType) (void *value,
|
|
XID id);
|
|
|
|
typedef void (*FindResType) (void *value,
|
|
XID id,
|
|
void *cdata);
|
|
|
|
typedef void (*FindAllRes) (void *value,
|
|
XID id,
|
|
RESTYPE type,
|
|
void *cdata);
|
|
|
|
typedef Bool (*FindComplexResType) (void *value,
|
|
XID id,
|
|
void *cdata);
|
|
|
|
/* Structure for estimating resource memory usage. Memory usage
|
|
* consists of space allocated for the resource itself and of
|
|
* references to other resources. Currently the most important use for
|
|
* this structure is to estimate pixmap usage of different resources
|
|
* more accurately. */
|
|
typedef struct {
|
|
/* Size of resource itself. Zero if not implemented. */
|
|
unsigned long resourceSize;
|
|
/* Size attributed to pixmap references from the resource. */
|
|
unsigned long pixmapRefSize;
|
|
/* Number of references to this resource; typically 1 */
|
|
unsigned long refCnt;
|
|
} ResourceSizeRec, *ResourceSizePtr;
|
|
|
|
typedef void (*SizeType)(void *value,
|
|
XID id,
|
|
ResourceSizePtr size);
|
|
|
|
extern _X_EXPORT RESTYPE CreateNewResourceType(DeleteType deleteFunc,
|
|
const char *name);
|
|
|
|
typedef void (*FindTypeSubResources)(void *value,
|
|
FindAllRes func,
|
|
void *cdata);
|
|
|
|
extern _X_EXPORT SizeType GetResourceTypeSizeFunc(
|
|
RESTYPE /*type*/);
|
|
|
|
extern _X_EXPORT void SetResourceTypeFindSubResFunc(
|
|
RESTYPE /*type*/, FindTypeSubResources /*findFunc*/);
|
|
|
|
extern _X_EXPORT void SetResourceTypeSizeFunc(
|
|
RESTYPE /*type*/, SizeType /*sizeFunc*/);
|
|
|
|
extern _X_EXPORT void SetResourceTypeErrorValue(
|
|
RESTYPE /*type*/, int /*errorValue*/);
|
|
|
|
extern _X_EXPORT RESTYPE CreateNewResourceClass(void);
|
|
|
|
extern _X_EXPORT Bool InitClientResources(ClientPtr /*client */ );
|
|
|
|
extern _X_EXPORT XID FakeClientID(int /*client */ );
|
|
|
|
/* Quartz support on Mac OS X uses the CarbonCore
|
|
framework whose AddResource function conflicts here. */
|
|
#ifdef __APPLE__
|
|
#define AddResource Darwin_X_AddResource
|
|
#endif
|
|
extern _X_EXPORT Bool AddResource(XID id,
|
|
RESTYPE type,
|
|
void *value);
|
|
|
|
extern _X_EXPORT void FreeResource(XID /*id */ ,
|
|
RESTYPE /*skipDeleteFuncType */ );
|
|
|
|
extern _X_EXPORT void FreeResourceByType(XID /*id */ ,
|
|
RESTYPE /*type */ ,
|
|
Bool /*skipFree */ );
|
|
|
|
extern _X_EXPORT Bool ChangeResourceValue(XID id,
|
|
RESTYPE rtype,
|
|
void *value);
|
|
|
|
extern _X_EXPORT void FindClientResourcesByType(ClientPtr client,
|
|
RESTYPE type,
|
|
FindResType func,
|
|
void *cdata);
|
|
|
|
extern _X_EXPORT void FindAllClientResources(ClientPtr client,
|
|
FindAllRes func,
|
|
void *cdata);
|
|
|
|
/** @brief Iterate through all subresources of a resource.
|
|
|
|
@note The XID argument provided to the FindAllRes function
|
|
may be 0 for subresources that don't have an XID */
|
|
extern _X_EXPORT void FindSubResources(void *resource,
|
|
RESTYPE type,
|
|
FindAllRes func,
|
|
void *cdata);
|
|
|
|
extern _X_EXPORT void FreeClientNeverRetainResources(ClientPtr /*client */ );
|
|
|
|
extern _X_EXPORT void FreeClientResources(ClientPtr /*client */ );
|
|
|
|
extern _X_EXPORT void FreeAllResources(void);
|
|
|
|
extern _X_EXPORT Bool LegalNewID(XID /*id */ ,
|
|
ClientPtr /*client */ );
|
|
|
|
extern _X_EXPORT void *LookupClientResourceComplex(ClientPtr client,
|
|
RESTYPE type,
|
|
FindComplexResType func,
|
|
void *cdata);
|
|
|
|
extern _X_EXPORT int dixLookupResourceByType(void **result,
|
|
XID id,
|
|
RESTYPE rtype,
|
|
ClientPtr client,
|
|
Mask access_mode);
|
|
|
|
extern _X_EXPORT int dixLookupResourceByClass(void **result,
|
|
XID id,
|
|
RESTYPE rclass,
|
|
ClientPtr client,
|
|
Mask access_mode);
|
|
|
|
extern _X_EXPORT void GetXIDRange(int /*client */ ,
|
|
Bool /*server */ ,
|
|
XID * /*minp */ ,
|
|
XID * /*maxp */ );
|
|
|
|
extern _X_EXPORT unsigned int GetXIDList(ClientPtr /*client */ ,
|
|
unsigned int /*count */ ,
|
|
XID * /*pids */ );
|
|
|
|
extern _X_EXPORT RESTYPE lastResourceType;
|
|
extern _X_EXPORT RESTYPE TypeMask;
|
|
|
|
/** @brief A hashing function to be used for hashing resource IDs
|
|
|
|
@param id The resource ID to hash
|
|
@param numBits The number of bits in the resulting hash. Must be >=0.
|
|
|
|
@note This function is really only for handling
|
|
INITHASHSIZE..MAXHASHSIZE bit hashes, but will handle any number
|
|
of bits by either masking numBits lower bits of the ID or by
|
|
providing at most MAXHASHSIZE hashes.
|
|
*/
|
|
extern _X_EXPORT int HashResourceID(XID id, unsigned int numBits);
|
|
|
|
#endif /* RESOURCE_H */
|