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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /libX11/src/CrGlCur.c
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Checked in the following released items:
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Diffstat (limited to 'libX11/src/CrGlCur.c')
-rw-r--r--libX11/src/CrGlCur.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/libX11/src/CrGlCur.c b/libX11/src/CrGlCur.c
new file mode 100644
index 000000000..0adb4a4ad
--- /dev/null
+++ b/libX11/src/CrGlCur.c
@@ -0,0 +1,258 @@
+/* $Xorg: CrGlCur.c,v 1.4 2001/02/09 02:03:32 xorgcvs Exp $ */
+/*
+
+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.
+
+*/
+/* $XFree86: xc/lib/X11/CrGlCur.c,v 1.7 2003/04/13 19:22:15 dawes Exp $ */
+
+#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"
+
+#if defined(hpux)
+typedef shl_dt 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);
+}
+