Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 182 insertions, 0 deletions

diff --git a/nx-X11/lib/X11/ParseGeom.c b/nx-X11/lib/X11/ParseGeom.c
new file mode 100644
index 000000000..6aaaccf07
--- /dev/null
+++ b/nx-X11/lib/X11/ParseGeom.c
@@ -0,0 +1,182 @@
+/* $Xorg: ParseGeom.c,v 1.4 2001/02/09 02:03:35 xorgcvs Exp $ */
+
+/*
+
+Copyright 1985, 1986, 1987,1998  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/ParseGeom.c,v 1.3 2001/12/14 19:54:03 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xutil.h"
+
+#ifdef notdef
+/* 
+ *Returns pointer to first char ins search which is also in what, else NULL.
+ */
+static char *strscan (search, what)
+char *search, *what;
+{
+	int i, len = strlen (what);
+	char c;
+
+	while ((c = *(search++)) != NULL)
+		for (i = 0; i < len; i++)
+			if (c == what [i])
+				return (--search);
+	return (NULL);
+}
+#endif
+
+/*
+ *    XParseGeometry parses strings of the form
+ *   "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where
+ *   width, height, xoffset, and yoffset are unsigned integers.
+ *   Example:  "=80x24+300-49"
+ *   The equal sign is optional.
+ *   It returns a bitmask that indicates which of the four values
+ *   were actually found in the string.  For each value found,
+ *   the corresponding argument is updated;  for each value
+ *   not found, the corresponding argument is left unchanged. 
+ */
+
+static int
+ReadInteger(char *string, char **NextString)
+{
+    register int Result = 0;
+    int Sign = 1;
+    
+    if (*string == '+')
+	string++;
+    else if (*string == '-')
+    {
+	string++;
+	Sign = -1;
+    }
+    for (; (*string >= '0') && (*string <= '9'); string++)
+    {
+	Result = (Result * 10) + (*string - '0');
+    }
+    *NextString = string;
+    if (Sign >= 0)
+	return (Result);
+    else
+	return (-Result);
+}
+
+int
+XParseGeometry (
+_Xconst char *string,
+int *x,
+int *y,
+unsigned int *width,    /* RETURN */
+unsigned int *height)    /* RETURN */
+{
+	int mask = NoValue;
+	register char *strind;
+	unsigned int tempWidth = 0, tempHeight = 0;
+	int tempX = 0, tempY = 0;
+	char *nextCharacter;
+
+	if ( (string == NULL) || (*string == '\0')) return(mask);
+	if (*string == '=')
+		string++;  /* ignore possible '=' at beg of geometry spec */
+
+	strind = (char *)string;
+	if (*strind != '+' && *strind != '-' && *strind != 'x') {
+		tempWidth = ReadInteger(strind, &nextCharacter);
+		if (strind == nextCharacter) 
+		    return (0);
+		strind = nextCharacter;
+		mask |= WidthValue;
+	}
+
+	if (*strind == 'x' || *strind == 'X') {	
+		strind++;
+		tempHeight = ReadInteger(strind, &nextCharacter);
+		if (strind == nextCharacter)
+		    return (0);
+		strind = nextCharacter;
+		mask |= HeightValue;
+	}
+
+	if ((*strind == '+') || (*strind == '-')) {
+		if (*strind == '-') {
+  			strind++;
+			tempX = -ReadInteger(strind, &nextCharacter);
+			if (strind == nextCharacter)
+			    return (0);
+			strind = nextCharacter;
+			mask |= XNegative;
+
+		}
+		else
+		{	strind++;
+			tempX = ReadInteger(strind, &nextCharacter);
+			if (strind == nextCharacter)
+			    return(0);
+			strind = nextCharacter;
+		}
+		mask |= XValue;
+		if ((*strind == '+') || (*strind == '-')) {
+			if (*strind == '-') {
+				strind++;
+				tempY = -ReadInteger(strind, &nextCharacter);
+				if (strind == nextCharacter)
+			    	    return(0);
+				strind = nextCharacter;
+				mask |= YNegative;
+
+			}
+			else
+			{
+				strind++;
+				tempY = ReadInteger(strind, &nextCharacter);
+				if (strind == nextCharacter)
+			    	    return(0);
+				strind = nextCharacter;
+			}
+			mask |= YValue;
+		}
+	}
+	
+	/* If strind isn't at the end of the string the it's an invalid
+		geometry specification. */
+
+	if (*strind != '\0') return (0);
+
+	if (mask & XValue)
+	    *x = tempX;
+ 	if (mask & YValue)
+	    *y = tempY;
+	if (mask & WidthValue)
+            *width = tempWidth;
+	if (mask & HeightValue)
+            *height = tempHeight;
+	return (mask);
+}