diff options
Diffstat (limited to 'libX11/src/CrGlCur.c')
-rw-r--r-- | libX11/src/CrGlCur.c | 530 |
1 files changed, 270 insertions, 260 deletions
diff --git a/libX11/src/CrGlCur.c b/libX11/src/CrGlCur.c index 460660f81..4f332836b 100644 --- a/libX11/src/CrGlCur.c +++ b/libX11/src/CrGlCur.c @@ -1,260 +1,270 @@ -/* - -Copyright 1986, 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. - -*/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" - -#ifdef USE_DYNAMIC_XCURSOR - -#ifdef __UNIXOS2__ -#define RTLD_LAZY 1 -#define LIBXCURSOR "Xcursor.dll" -#endif -#include <stdio.h> -#include <string.h> -#if defined(hpux) -#include <dl.h> -#else -#include <dlfcn.h> -#endif -#include "Cr.h" - -#ifdef __CYGWIN__ -#define LIBXCURSOR "cygXcursor-1.dll" -#endif - -#if defined(hpux) -typedef shl_t XModuleType; -#else -typedef void *XModuleType; -#endif - -#ifndef LIBXCURSOR -#define LIBXCURSOR "libXcursor.so.1" -#endif - -static char libraryName[] = LIBXCURSOR; - -static XModuleType -open_library (void) -{ - char *library = libraryName; - char *dot; - XModuleType module; - for (;;) - { -#if defined(hpux) - module = shl_load(library, BIND_DEFERRED, 0L); -#else - module = dlopen(library, RTLD_LAZY); -#endif - if (module) - return module; - dot = strrchr (library, '.'); - if (!dot) - break; - *dot = '\0'; - } - return NULL; -} - -static void * -fetch_symbol (XModuleType module, const char *under_symbol) -{ - void *result = NULL; - const char *symbol = under_symbol + 1; -#if defined(hpux) - int getsyms_cnt, i; - struct shl_symbol *symbols; - - getsyms_cnt = shl_getsymbols(module, TYPE_PROCEDURE, - EXPORT_SYMBOLS, malloc, &symbols); - - for(i=0; i<getsyms_cnt; i++) { - if(!strcmp(symbols[i].name, symbol)) { - result = symbols[i].value; - break; - } - } - - if(getsyms_cnt > 0) { - free(symbols); - } -#else - result = dlsym (module, symbol); - if (!result) - result = dlsym (module, under_symbol); -#endif - return result; -} - -typedef void (*NoticeCreateBitmapFunc) (Display *dpy, - Pixmap pid, - unsigned int width, - unsigned int height); - -typedef void (*NoticePutBitmapFunc) (Display *dpy, - Drawable draw, - XImage *image); - -typedef Cursor (*TryShapeBitmapCursorFunc) (Display *dpy, - Pixmap source, - Pixmap mask, - XColor *foreground, - XColor *background, - unsigned int x, - unsigned int y); - -typedef Cursor (*TryShapeCursorFunc) (Display *dpy, - Font source_font, - Font mask_font, - unsigned int source_char, - unsigned int mask_char, - XColor _Xconst *foreground, - XColor _Xconst *background); - -static XModuleType _XcursorModule; -static Bool _XcursorModuleTried; - -#define GetFunc(type,name,ret) {\ - static Bool been_here; \ - static type staticFunc; \ - \ - _XLockMutex (_Xglobal_lock); \ - if (!been_here) \ - { \ - been_here = True; \ - if (!_XcursorModuleTried) \ - { \ - _XcursorModuleTried = True; \ - _XcursorModule = open_library (); \ - } \ - if (_XcursorModule) \ - staticFunc = (type) fetch_symbol (_XcursorModule, "_" name); \ - } \ - ret = staticFunc; \ - _XUnlockMutex (_Xglobal_lock); \ -} - -static Cursor -_XTryShapeCursor (Display *dpy, - Font source_font, - Font mask_font, - unsigned int source_char, - unsigned int mask_char, - XColor _Xconst *foreground, - XColor _Xconst *background) -{ - TryShapeCursorFunc func; - - GetFunc (TryShapeCursorFunc, "XcursorTryShapeCursor", func); - if (func) - return (*func) (dpy, source_font, mask_font, source_char, mask_char, - foreground, background); - return None; -} - -void -_XNoticeCreateBitmap (Display *dpy, - Pixmap pid, - unsigned int width, - unsigned int height) -{ - NoticeCreateBitmapFunc func; - - GetFunc (NoticeCreateBitmapFunc, "XcursorNoticeCreateBitmap", func); - if (func) - (*func) (dpy, pid, width, height); -} - -void -_XNoticePutBitmap (Display *dpy, - Drawable draw, - XImage *image) -{ - NoticePutBitmapFunc func; - - GetFunc (NoticePutBitmapFunc, "XcursorNoticePutBitmap", func); - if (func) - (*func) (dpy, draw, image); -} - -Cursor -_XTryShapeBitmapCursor (Display *dpy, - Pixmap source, - Pixmap mask, - XColor *foreground, - XColor *background, - unsigned int x, - unsigned int y) -{ - TryShapeBitmapCursorFunc func; - - GetFunc (TryShapeBitmapCursorFunc, "XcursorTryShapeBitmapCursor", func); - if (func) - return (*func) (dpy, source, mask, foreground, background, x, y); - return None; -} -#endif - -Cursor XCreateGlyphCursor( - register Display *dpy, - Font source_font, - Font mask_font, - unsigned int source_char, - unsigned int mask_char, - XColor _Xconst *foreground, - XColor _Xconst *background) -{ - Cursor cid; - register xCreateGlyphCursorReq *req; - -#ifdef USE_DYNAMIC_XCURSOR - cid = _XTryShapeCursor (dpy, source_font, mask_font, - source_char, mask_char, foreground, background); - if (cid) - return cid; -#endif - LockDisplay(dpy); - GetReq(CreateGlyphCursor, req); - cid = req->cid = XAllocID(dpy); - req->source = source_font; - req->mask = mask_font; - req->sourceChar = source_char; - req->maskChar = mask_char; - req->foreRed = foreground->red; - req->foreGreen = foreground->green; - req->foreBlue = foreground->blue; - req->backRed = background->red; - req->backGreen = background->green; - req->backBlue = background->blue; - UnlockDisplay(dpy); - SyncHandle(); - return (cid); -} - +/*
+
+Copyright 1986, 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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+#ifdef USE_DYNAMIC_XCURSOR
+
+#ifdef __UNIXOS2__
+#define RTLD_LAZY 1
+#define LIBXCURSOR "Xcursor.dll"
+#endif
+#include <stdio.h>
+#include <string.h>
+#if defined(hpux)
+#include <dl.h>
+#else
+#include <dlfcn.h>
+#endif
+#include "Cr.h"
+
+#ifdef __CYGWIN__
+#define LIBXCURSOR "cygXcursor-1.dll"
+#endif
+
+#if defined(hpux)
+typedef shl_t XModuleType;
+#else
+#ifdef _MSC_VER
+#include <X11/XWindows.h>
+typedef HANDLE XModuleType;
+#define dlsym GetProcAddress
+#else
+typedef void *XModuleType;
+#endif
+#endif
+
+#ifndef LIBXCURSOR
+#define LIBXCURSOR "libXcursor.so.1"
+#endif
+
+static char libraryName[] = LIBXCURSOR;
+
+static XModuleType
+open_library (void)
+{
+ char *library = libraryName;
+ char *dot;
+ XModuleType module;
+ for (;;)
+ {
+#if defined(hpux)
+ module = shl_load(library, BIND_DEFERRED, 0L);
+#else
+#ifdef _MSC_VER
+ module = LoadLibrary(library);
+#else
+ module = dlopen(library, RTLD_LAZY);
+#endif
+#endif
+ if (module)
+ return module;
+ dot = strrchr (library, '.');
+ if (!dot)
+ break;
+ *dot = '\0';
+ }
+ return NULL;
+}
+
+static void *
+fetch_symbol (XModuleType module, const char *under_symbol)
+{
+ void *result = NULL;
+ const char *symbol = under_symbol + 1;
+#if defined(hpux)
+ int getsyms_cnt, i;
+ struct shl_symbol *symbols;
+
+ getsyms_cnt = shl_getsymbols(module, TYPE_PROCEDURE,
+ EXPORT_SYMBOLS, malloc, &symbols);
+
+ for(i=0; i<getsyms_cnt; i++) {
+ if(!strcmp(symbols[i].name, symbol)) {
+ result = symbols[i].value;
+ break;
+ }
+ }
+
+ if(getsyms_cnt > 0) {
+ free(symbols);
+ }
+#else
+ result = dlsym (module, symbol);
+ if (!result)
+ result = dlsym (module, under_symbol);
+#endif
+ return result;
+}
+
+typedef void (*NoticeCreateBitmapFunc) (Display *dpy,
+ Pixmap pid,
+ unsigned int width,
+ unsigned int height);
+
+typedef void (*NoticePutBitmapFunc) (Display *dpy,
+ Drawable draw,
+ XImage *image);
+
+typedef Cursor (*TryShapeBitmapCursorFunc) (Display *dpy,
+ Pixmap source,
+ Pixmap mask,
+ XColor *foreground,
+ XColor *background,
+ unsigned int x,
+ unsigned int y);
+
+typedef Cursor (*TryShapeCursorFunc) (Display *dpy,
+ Font source_font,
+ Font mask_font,
+ unsigned int source_char,
+ unsigned int mask_char,
+ XColor _Xconst *foreground,
+ XColor _Xconst *background);
+
+static XModuleType _XcursorModule;
+static Bool _XcursorModuleTried;
+
+#define GetFunc(type,name,ret) {\
+ static Bool been_here; \
+ static type staticFunc; \
+ \
+ _XLockMutex (_Xglobal_lock); \
+ if (!been_here) \
+ { \
+ been_here = True; \
+ if (!_XcursorModuleTried) \
+ { \
+ _XcursorModuleTried = True; \
+ _XcursorModule = open_library (); \
+ } \
+ if (_XcursorModule) \
+ staticFunc = (type) fetch_symbol (_XcursorModule, "_" name); \
+ } \
+ ret = staticFunc; \
+ _XUnlockMutex (_Xglobal_lock); \
+}
+
+static Cursor
+_XTryShapeCursor (Display *dpy,
+ Font source_font,
+ Font mask_font,
+ unsigned int source_char,
+ unsigned int mask_char,
+ XColor _Xconst *foreground,
+ XColor _Xconst *background)
+{
+ TryShapeCursorFunc func;
+
+ GetFunc (TryShapeCursorFunc, "XcursorTryShapeCursor", func);
+ if (func)
+ return (*func) (dpy, source_font, mask_font, source_char, mask_char,
+ foreground, background);
+ return None;
+}
+
+void
+_XNoticeCreateBitmap (Display *dpy,
+ Pixmap pid,
+ unsigned int width,
+ unsigned int height)
+{
+ NoticeCreateBitmapFunc func;
+
+ GetFunc (NoticeCreateBitmapFunc, "XcursorNoticeCreateBitmap", func);
+ if (func)
+ (*func) (dpy, pid, width, height);
+}
+
+void
+_XNoticePutBitmap (Display *dpy,
+ Drawable draw,
+ XImage *image)
+{
+ NoticePutBitmapFunc func;
+
+ GetFunc (NoticePutBitmapFunc, "XcursorNoticePutBitmap", func);
+ if (func)
+ (*func) (dpy, draw, image);
+}
+
+Cursor
+_XTryShapeBitmapCursor (Display *dpy,
+ Pixmap source,
+ Pixmap mask,
+ XColor *foreground,
+ XColor *background,
+ unsigned int x,
+ unsigned int y)
+{
+ TryShapeBitmapCursorFunc func;
+
+ GetFunc (TryShapeBitmapCursorFunc, "XcursorTryShapeBitmapCursor", func);
+ if (func)
+ return (*func) (dpy, source, mask, foreground, background, x, y);
+ return None;
+}
+#endif
+
+Cursor XCreateGlyphCursor(
+ register Display *dpy,
+ Font source_font,
+ Font mask_font,
+ unsigned int source_char,
+ unsigned int mask_char,
+ XColor _Xconst *foreground,
+ XColor _Xconst *background)
+{
+ Cursor cid;
+ register xCreateGlyphCursorReq *req;
+
+#ifdef USE_DYNAMIC_XCURSOR
+ cid = _XTryShapeCursor (dpy, source_font, mask_font,
+ source_char, mask_char, foreground, background);
+ if (cid)
+ return cid;
+#endif
+ LockDisplay(dpy);
+ GetReq(CreateGlyphCursor, req);
+ cid = req->cid = XAllocID(dpy);
+ req->source = source_font;
+ req->mask = mask_font;
+ req->sourceChar = source_char;
+ req->maskChar = mask_char;
+ req->foreRed = foreground->red;
+ req->foreGreen = foreground->green;
+ req->foreBlue = foreground->blue;
+ req->backRed = background->red;
+ req->backGreen = background->green;
+ req->backBlue = background->blue;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (cid);
+}
+
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