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authormarha <marha@users.sourceforge.net>2009-11-06 11:37:48 +0000
committermarha <marha@users.sourceforge.net>2009-11-06 11:37:48 +0000
commitdc973fac7166624dc3aca9b32df02cc00e79ba85 (patch)
tree186af3c9707ed71a82a5502fc7b5bfae739361a6 /libXmu/src/StrToCurs.c
parent3c406cef48ab3d9ae6cb490348c41c89638a1367 (diff)
parent5c97ea64d7046d0a9d654950946a0070ac1e355a (diff)
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Added libXmu
Diffstat (limited to 'libXmu/src/StrToCurs.c')
-rw-r--r--libXmu/src/StrToCurs.c351
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diff --git a/libXmu/src/StrToCurs.c b/libXmu/src/StrToCurs.c
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+/* $Xorg: StrToCurs.c,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */
+
+/*
+
+Copyright 1987, 1988, 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, 1988 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.
+
+******************************************************************/
+
+/* $XFree86: xc/lib/Xmu/StrToCurs.c,v 1.11 2002/09/19 13:21:58 tsi Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Intrinsic.h>
+#include <X11/StringDefs.h>
+#include <X11/Xmu/Converters.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xmu/CurUtil.h>
+#include <X11/Xmu/CharSet.h>
+
+#ifndef X_NOT_POSIX
+#include <stdlib.h>
+#ifdef _POSIX_SOURCE
+#include <limits.h>
+#else
+#define _POSIX_SOURCE
+#include <limits.h>
+#undef _POSIX_SOURCE
+#endif
+#endif /* X_NOT_POSIX */
+#ifndef PATH_MAX
+#ifdef WIN32
+#define PATH_MAX 512
+#else
+#include <sys/param.h>
+#endif
+#ifndef PATH_MAX
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+#endif /* PATH_MAX */
+
+/* Kludge source to avoid encountering broken shared library linkers
+ which insist on resolving references unused by the application,
+ and broken object file formats that don't correctly distinguish
+ references to procedures from references to data.
+ */
+#if defined(SUNSHLIB) || defined(SVR4)
+#define XMU_KLUDGE
+#endif
+
+/*
+ * XmuConvertStringToCursor:
+ *
+ * allows String to specify a standard cursor name (from cursorfont.h), a
+ * font name and glyph index of the form "FONT fontname index [[font] index]",
+ * or a bitmap file name (absolute, or relative to the global resource
+ * bitmapFilePath, class BitmapFilePath). If the resource is not
+ * defined, the default value is the build symbol BITMAPDIR.
+ *
+ * shares lots of code with XmuCvtStringToPixmap, but unfortunately
+ * can't use it as the hotspot info is lost.
+ *
+ * To use, include the following in your ClassInitialize procedure:
+
+static XtConvertArgRec screenConvertArg[] = {
+ {XtBaseOffset, (XtPointer) XtOffsetOf(WidgetRec, core.screen),
+ sizeof(Screen *)}
+};
+
+ XtAddConverter(XtRString, XtRCursor, XmuCvtStringToCursor,
+ screenConvertArg, XtNumber(screenConvertArg));
+ *
+ */
+
+#define done(address, type) \
+ { (*toVal).size = sizeof(type); (*toVal).addr = (XPointer) address; }
+
+#define FONTSPECIFIER "FONT "
+
+/*ARGSUSED*/
+void
+XmuCvtStringToCursor(XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal)
+{
+ static Cursor cursor; /* static for cvt magic */
+ char *name = (char *)fromVal->addr;
+ Screen *screen;
+ register int i;
+ char maskname[PATH_MAX];
+ Pixmap source, mask = 0;
+ /* XXX - make fg/bg resources */
+ static XColor bgColor = {0, 0xffff, 0xffff, 0xffff};
+ static XColor fgColor = {0, 0, 0, 0};
+ int xhot, yhot;
+ int len;
+
+
+ if (*num_args != 1)
+ XtErrorMsg("wrongParameters","cvtStringToCursor","XtToolkitError",
+ "String to cursor conversion needs screen argument",
+ (String *)NULL, (Cardinal *)NULL);
+
+ if (XmuCompareISOLatin1(name, "None") == 0)
+ {
+ cursor = None;
+ done(&cursor, Cursor);
+ return;
+ }
+
+ screen = *((Screen **) args[0].addr);
+
+ if (0 == strncmp(FONTSPECIFIER, name, strlen(FONTSPECIFIER))) {
+ char source_name[PATH_MAX], mask_name[PATH_MAX];
+ int source_char, mask_char, fields;
+ Font source_font, mask_font;
+ XrmValue fromString, toFont;
+ XrmValue cvtArg;
+ Boolean success;
+ Display *dpy = DisplayOfScreen(screen);
+ char *strspec = NULL;
+#ifdef XMU_KLUDGE
+ Cardinal num;
+#endif
+
+ strspec = XtMalloc(strlen("FONT %s %d %s %d") + 21);
+ sprintf(strspec, "FONT %%%lds %%d %%%lds %%d",
+ (unsigned long)sizeof(source_name) - 1,
+ (unsigned long)sizeof(mask_name) - 1);
+ fields = sscanf(name, strspec,
+ source_name, &source_char,
+ mask_name, &mask_char);
+ XtFree(strspec);
+ if (fields < 2) {
+ XtStringConversionWarning(name, XtRCursor);
+ return;
+ }
+
+ fromString.addr = source_name;
+ fromString.size = strlen(source_name) + 1;
+ toFont.addr = (XPointer) &source_font;
+ toFont.size = sizeof(Font);
+ cvtArg.addr = (XPointer) &dpy;
+ cvtArg.size = sizeof(Display *);
+ /* XXX using display of screen argument as message display */
+#ifdef XMU_KLUDGE
+ /* XXX Sacrifice caching */
+ num = 1;
+ success = XtCvtStringToFont(dpy, &cvtArg, &num, &fromString, &toFont,
+ NULL);
+#else
+ success = XtCallConverter(dpy, XtCvtStringToFont, &cvtArg,
+ (Cardinal)1, &fromString, &toFont, NULL);
+#endif
+ if (!success) {
+ XtStringConversionWarning(name, XtRCursor);
+ return;
+ }
+
+ switch (fields) {
+ case 2: /* defaulted mask font & char */
+ mask_font = source_font;
+ mask_char = source_char;
+ break;
+
+ case 3: /* defaulted mask font */
+ mask_font = source_font;
+ mask_char = atoi(mask_name);
+ break;
+
+ case 4: /* specified mask font & char */
+ fromString.addr = mask_name;
+ fromString.size = strlen(mask_name) + 1;
+ toFont.addr = (XPointer) &mask_font;
+ toFont.size = sizeof(Font);
+ /* XXX using display of screen argument as message display */
+#ifdef XMU_KLUDGE
+ /* XXX Sacrifice caching */
+ num = 1;
+ success = XtCvtStringToFont(dpy, &cvtArg, &num, &fromString,
+ &toFont, NULL);
+#else
+ success = XtCallConverter(dpy, XtCvtStringToFont, &cvtArg,
+ (Cardinal)1, &fromString, &toFont, NULL);
+#endif
+ if (!success) {
+ XtStringConversionWarning(name, XtRCursor);
+ return;
+ }
+ }
+
+ cursor = XCreateGlyphCursor( DisplayOfScreen(screen), source_font,
+ mask_font, source_char, mask_char,
+ &fgColor, &bgColor );
+ done(&cursor, Cursor);
+ return;
+ }
+
+ i = XmuCursorNameToIndex (name);
+ if (i != -1) {
+ cursor = XCreateFontCursor (DisplayOfScreen(screen), i);
+ done(&cursor, Cursor);
+ return;
+ }
+
+ if ((source = XmuLocateBitmapFile (screen, name,
+ maskname, (sizeof maskname) - 4,
+ NULL, NULL, &xhot, &yhot)) == None) {
+ XtStringConversionWarning (name, XtRCursor);
+ cursor = None;
+ done(&cursor, Cursor);
+ return;
+ }
+ len = strlen (maskname);
+ for (i = 0; i < 2; i++) {
+ strcpy (maskname + len, i == 0 ? "Mask" : "msk");
+ if ((mask = XmuLocateBitmapFile (screen, maskname, NULL, 0,
+ NULL, NULL, NULL, NULL)) != None)
+ break;
+ }
+
+ cursor = XCreatePixmapCursor( DisplayOfScreen(screen), source, mask,
+ &fgColor, &bgColor, xhot, yhot );
+ XFreePixmap( DisplayOfScreen(screen), source );
+ if (mask != None) XFreePixmap( DisplayOfScreen(screen), mask );
+
+ done(&cursor, Cursor);
+}
+
+#define new_done(type, value) \
+ { \
+ if (toVal->addr != NULL) { \
+ if (toVal->size < sizeof(type)) { \
+ toVal->size = sizeof(type); \
+ return False; \
+ } \
+ *(type*)(toVal->addr) = (value); \
+ } \
+ else { \
+ static type static_val; \
+ static_val = (value); \
+ toVal->addr = (XPointer)&static_val; \
+ } \
+ toVal->size = sizeof(type); \
+ return True; \
+ }
+
+/* Function Name: XmuCvtStringToColorCursor
+ * Description: Converts a string into a colored cursor.
+ * Arguments: dpy
+ * args - an argument list (see below).
+ * num_args - number of elements in the argument list.
+ * fromVal - value to convert from.
+ * toVal - value to convert to.
+ * data
+ * Returns: True or False
+ */
+
+/*ARGSUSED*/
+Boolean
+XmuCvtStringToColorCursor(Display *dpy, XrmValuePtr args, Cardinal *num_args,
+ XrmValuePtr fromVal, XrmValuePtr toVal,
+ XtPointer *converter_data)
+{
+ Cursor cursor;
+ Screen *screen;
+ Pixel fg, bg;
+ Colormap c_map;
+ XColor colors[2];
+ Cardinal number;
+ XrmValue ret_val;
+
+ if (*num_args != 4) {
+ XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
+ "wrongParameters","cvtStringToColorCursor","XmuError",
+ "String to color cursor conversion needs four arguments",
+ (String *)NULL, (Cardinal *)NULL);
+ return False;
+ }
+
+ screen = *((Screen **) args[0].addr);
+ fg = *((Pixel *) args[1].addr);
+ bg = *((Pixel *) args[2].addr);
+ c_map = *((Colormap *) args[3].addr);
+
+ number = 1;
+ XmuCvtStringToCursor(args, &number, fromVal, &ret_val);
+
+ cursor = *((Cursor *) ret_val.addr);
+
+ if (cursor == None || (fg == BlackPixelOfScreen(screen)
+ && bg == WhitePixelOfScreen(screen)))
+ new_done(Cursor, cursor);
+
+ colors[0].pixel = fg;
+ colors[1].pixel = bg;
+
+ XQueryColors (dpy, c_map, colors, 2);
+ XRecolorCursor(dpy, cursor, colors, colors + 1);
+ new_done(Cursor, cursor);
+}
+
+
+