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/*****************************************************************************
*
* xdbx - X Window System interface to the dbx debugger
*
* Copyright 1989 The University of Texas at Austin
* Copyright 1990 Microelectronics and Computer Technology Corporation
*
* 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 The University of Texas
* and Microelectronics and Computer Technology Corporation (MCC) not be
* used in advertising or publicity pertaining to distribution of
* the software without specific, written prior permission. The
* University of Texas and MCC makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* THE UNIVERSITY OF TEXAS AND MCC DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE UNIVERSITY OF TEXAS OR MCC 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.
*
* Author: Po Cheung
* Created: March 10, 1989
*
*****************************************************************************/
/* utils.c
*
* Contain common routines used by other functions.
*
* TextGetLastPos(): Get the last insertion position of text.
* TextPositionToLine(): Return text position give a line number.
* LineToStopNo(): Return the stop number given a line number.
* DisableWindowResize(): Fix the size of a window inside vpane.
* bell(): Ring the bell.
* concat(): Concatenate two strings together
*/
#include "global.h"
XawTextPosition TextGetLastPos(w)
Widget w;
{
TextWidget ctx = (TextWidget) w;
return (ctx->text.lastPos);
}
/*
* Get the line number where the caret is.
*/
int TextPositionToLine(pos)
XawTextPosition pos;
{
int line;
if (displayedFile) {
if (pos >= displayedFile->linepos[displayedFile->topline]) {
for (line = displayedFile->topline;
pos > displayedFile->linepos[line]; line++);
return (pos == displayedFile->linepos[line] ? line : line-1);
}
else {
for (line = 1; pos > displayedFile->linepos[line]; line++);
return (pos == displayedFile->linepos[line] ? line : line-1);
}
}
else
return 0;
}
/*
* Return the stop number associated with a given line number.
* Return 0 if stop number not found.
*/
int LineToStop_no(line)
int line;
{
int i;
for (i=1; i <= nstops; i++)
if (stops[i].line == line && stops[i].file && displayedFile &&
strcmp(stops[i].file, displayedFile->pathname) == 0) {
return i;
}
return 0;
}
void DisableWindowResize(w)
Widget w;
{
Arg args[MAXARGS];
Cardinal n;
Dimension height;
n = 0;
XtSetArg(args[n], XtNheight, &height); n++;
XtGetValues(w, args, n);
XawPanedSetMinMax(w, height, height);
XawPanedAllowResize(w, False);
}
void bell(volume)
int volume;
{
if (debug)
fprintf (stderr, "ring the bell\n");
XBell(XtDisplay(toplevel), volume);
}
/* append string s2 to end of string s1 and return the result */
char *concat(s1, s2)
char *s1, *s2;
{
if (s2) {
if (s1 == NULL) {
s1 = XtMalloc((strlen(s2)+1)*sizeof(char));
strcpy(s1, s2);
}
else {
s1 = XtRealloc(s1, strlen(s1)+strlen(s2)+2);
strcat(s1, s2);
}
}
#if 0 /*(PW)4DEC90 : bug ! if s2 is null, there is no reason to set s1 to 0 */
else
s1 = NULL;
#endif
return (s1);
}
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