sync code with last improvements from OpenBSD
This commit is contained in:
commit
88965415ff
GPG key ID:
F42C07F07E2E35B7
26235 changed files with 29195616 additions and 0 deletions
190
lib/libXext/include/X11/extensions/extutil.h
Normal file
190
lib/libXext/include/X11/extensions/extutil.h
Normal file
|
|
@ -0,0 +1,190 @@
|
|||
/*
|
||||
*
|
||||
Copyright 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.
|
||||
*
|
||||
* Author: Jim Fulton, MIT The Open Group
|
||||
*
|
||||
* Xlib Extension-Writing Utilities
|
||||
*
|
||||
* This package contains utilities for writing the client API for various
|
||||
* protocol extensions. THESE INTERFACES ARE NOT PART OF THE X STANDARD AND
|
||||
* ARE SUBJECT TO CHANGE!
|
||||
*/
|
||||
|
||||
#ifndef _EXTUTIL_H_
|
||||
#define _EXTUTIL_H_
|
||||
|
||||
#include <X11/extensions/Xext.h>
|
||||
|
||||
/*
|
||||
* We need to keep a list of open displays since the Xlib display list isn't
|
||||
* public. We also have to per-display info in a separate block since it isn't
|
||||
* stored directly in the Display structure.
|
||||
*/
|
||||
typedef struct _XExtDisplayInfo {
|
||||
struct _XExtDisplayInfo *next; /* keep a linked list */
|
||||
Display *display; /* which display this is */
|
||||
XExtCodes *codes; /* the extension protocol codes */
|
||||
XPointer data; /* extra data for extension to use */
|
||||
} XExtDisplayInfo;
|
||||
|
||||
typedef struct _XExtensionInfo {
|
||||
XExtDisplayInfo *head; /* start of list */
|
||||
XExtDisplayInfo *cur; /* most recently used */
|
||||
int ndisplays; /* number of displays */
|
||||
} XExtensionInfo;
|
||||
|
||||
typedef struct _XExtensionHooks {
|
||||
int (*create_gc)(
|
||||
Display* /* display */,
|
||||
GC /* gc */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
int (*copy_gc)(
|
||||
Display* /* display */,
|
||||
GC /* gc */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
int (*flush_gc)(
|
||||
Display* /* display */,
|
||||
GC /* gc */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
int (*free_gc)(
|
||||
Display* /* display */,
|
||||
GC /* gc */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
int (*create_font)(
|
||||
Display* /* display */,
|
||||
XFontStruct* /* fs */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
int (*free_font)(
|
||||
Display* /* display */,
|
||||
XFontStruct* /* fs */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
int (*close_display)(
|
||||
Display* /* display */,
|
||||
XExtCodes* /* codes */
|
||||
);
|
||||
Bool (*wire_to_event)(
|
||||
Display* /* display */,
|
||||
XEvent* /* re */,
|
||||
xEvent* /* event */
|
||||
);
|
||||
Status (*event_to_wire)(
|
||||
Display* /* display */,
|
||||
XEvent* /* re */,
|
||||
xEvent* /* event */
|
||||
);
|
||||
int (*error)(
|
||||
Display* /* display */,
|
||||
xError* /* err */,
|
||||
XExtCodes* /* codes */,
|
||||
int* /* ret_code */
|
||||
);
|
||||
char *(*error_string)(
|
||||
Display* /* display */,
|
||||
int /* code */,
|
||||
XExtCodes* /* codes */,
|
||||
char* /* buffer */,
|
||||
int /* nbytes */
|
||||
);
|
||||
} XExtensionHooks;
|
||||
|
||||
extern XExtensionInfo *XextCreateExtension(
|
||||
void
|
||||
);
|
||||
extern void XextDestroyExtension(
|
||||
XExtensionInfo* /* info */
|
||||
);
|
||||
extern XExtDisplayInfo *XextAddDisplay(
|
||||
XExtensionInfo* /* extinfo */,
|
||||
Display* /* dpy */,
|
||||
_Xconst char* /* ext_name */,
|
||||
XExtensionHooks* /* hooks */,
|
||||
int /* nevents */,
|
||||
XPointer /* data */
|
||||
);
|
||||
extern int XextRemoveDisplay(
|
||||
XExtensionInfo* /* extinfo */,
|
||||
Display* /* dpy */
|
||||
);
|
||||
extern XExtDisplayInfo *XextFindDisplay(
|
||||
XExtensionInfo* /* extinfo */,
|
||||
Display* /* dpy */
|
||||
);
|
||||
|
||||
#define XextHasExtension(i) ((i) && ((i)->codes))
|
||||
#define XextCheckExtension(dpy,i,name,val) \
|
||||
if (!XextHasExtension(i)) { XMissingExtension (dpy, name); return val; }
|
||||
#define XextSimpleCheckExtension(dpy,i,name) \
|
||||
if (!XextHasExtension(i)) { XMissingExtension (dpy, name); return; }
|
||||
|
||||
|
||||
/*
|
||||
* helper macros to generate code that is common to all extensions; caller
|
||||
* should prefix it with static if extension source is in one file; this
|
||||
* could be a utility function, but have to stack 6 unused arguments for
|
||||
* something that is called many, many times would be bad.
|
||||
*/
|
||||
#define XEXT_GENERATE_FIND_DISPLAY(proc,extinfo,extname,hooks,nev,data) \
|
||||
XExtDisplayInfo *proc (Display *dpy) \
|
||||
{ \
|
||||
XExtDisplayInfo *dpyinfo; \
|
||||
if (!extinfo) { if (!(extinfo = XextCreateExtension())) return NULL; } \
|
||||
if (!(dpyinfo = XextFindDisplay (extinfo, dpy))) \
|
||||
dpyinfo = XextAddDisplay (extinfo,dpy,extname,hooks,nev,data); \
|
||||
return dpyinfo; \
|
||||
}
|
||||
|
||||
#define XEXT_FIND_DISPLAY_PROTO(proc) \
|
||||
XExtDisplayInfo *proc(Display *dpy)
|
||||
|
||||
#define XEXT_GENERATE_CLOSE_DISPLAY(proc,extinfo) \
|
||||
int proc (Display *dpy, XExtCodes *codes) \
|
||||
{ \
|
||||
return XextRemoveDisplay (extinfo, dpy); \
|
||||
}
|
||||
|
||||
#define XEXT_CLOSE_DISPLAY_PROTO(proc) \
|
||||
int proc(Display *dpy, XExtCodes *codes)
|
||||
|
||||
#define XEXT_GENERATE_ERROR_STRING(proc,extname,nerr,errl) \
|
||||
char *proc (Display *dpy, int code, XExtCodes *codes, char *buf, int n) \
|
||||
{ \
|
||||
code -= codes->first_error; \
|
||||
if (code >= 0 && code < nerr) { \
|
||||
char tmp[256]; \
|
||||
snprintf (tmp, sizeof(tmp), "%s.%d", extname, code); \
|
||||
XGetErrorDatabaseText (dpy, "XProtoError", tmp, errl[code], buf, n); \
|
||||
return buf; \
|
||||
} \
|
||||
return (char *)0; \
|
||||
}
|
||||
|
||||
#define XEXT_ERROR_STRING_PROTO(proc) \
|
||||
char *proc(Display *dpy, int code, XExtCodes *codes, char *buf, int n)
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue