and is provided without guarantee or warrantee expressed or
implied. This program is -not- in the public domain. */
#include <Screen.h>
#include <stdio.h>
#include "beos_x11.h"
int DisplayWidth() {
BScreen s;
return s.Frame().IntegerWidth() + 1;
}
int DisplayHeight() {
BScreen s;
return s.Frame().IntegerHeight() + 1;
}
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, and that the name of M.I.T. not be used in advertising or
publicity pertaining to distribution of the software without specific,
written prior permission. M.I.T. makes no representations about the
suitability of this software for any purpose. It is provided "as is"
without express or implied warranty.
*/
#if 0
*Returns pointer to first char ins search which is also in what, else NULL.
*/
static char *strscan (char *search, char *what)
{
int i, len = strlen (what);
char c;
while ((c = *(search++))) {
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)
{
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 (char *string, int *x, int *y,
unsigned int *width, unsigned int *height)
{
int mask = NoValue;
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++;
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;
}
}
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);
}
