void
ScrollBarOn(XtermWidget xw, Bool init)
{
TScreen *screen = TScreenOf(xw);
if (screen->fullVwin.sb_info.width || IsIcon(screen))
return;
TRACE(("ScrollBarOn(init %s)\n", BtoS(init)));
if (init) { /* then create it only */
if (screen->scrollWidget == 0) {
/* make it a dummy size and resize later */
screen->scrollWidget = CreateScrollBar(xw,
-ScrollBarBorder(xw),
-ScrollBarBorder(xw),
5);
if (screen->scrollWidget == NULL) {
Bell(xw, XkbBI_MinorError, 0);
}
}
} else if (!screen->scrollWidget || !XtIsRealized((Widget) xw)) {
Bell(xw, XkbBI_MinorError, 0);
Bell(xw, XkbBI_MinorError, 0);
} else {
ResizeScrollBar(xw);
xtermAddInput(screen->scrollWidget);
XtRealizeWidget(screen->scrollWidget);
TRACE_TRANS("scrollbar", screen->scrollWidget);
screen->fullVwin.sb_info.rv_cached = False;
screen->fullVwin.sb_info.width = (screen->scrollWidget->core.width
+ BorderWidth(screen->scrollWidget));
TRACE(("setting scrollbar width %d = %d + %d\n",
screen->fullVwin.sb_info.width,
screen->scrollWidget->core.width,
BorderWidth(screen->scrollWidget)));
ScrollBarDrawThumb(screen->scrollWidget);
DoResizeScreen(xw);
#ifdef SCROLLBAR_RIGHT
updateRightScrollbar(xw);
#endif
XtMapWidget(screen->scrollWidget);
update_scrollbar();
if (screen->visbuf) {
xtermClear(xw);
Redraw();
}
}
}
void ScrollBarOn (XtermWidget xw,int init,int doalloc)
{
register TScreen *screen = &xw->screen;
register int border = 2 * screen->border;
register int i,j,k;
/*
if(screen->scrollbar)
return;
*/
if(screen->fullVwin.sb_info.width)
return;
if (init)
{ /* then create it only */
if (screen->scrollWidget)
return;
/* make it a dummy size and resize later */
if ((screen->scrollWidget = CreateScrollBar (xw, -1, - 1, 5))
== NULL)
{
Bell(XkbBI_MinorError,0);
return;
}
return;
}
if (!screen->scrollWidget)
{
Bell (XkbBI_MinorError,0);
Bell (XkbBI_MinorError,0);
return;
}
if (doalloc && screen->allbuf)
{
/* FIXME: this is not integrated well with Allocate */
if((screen->allbuf =
(ScrnBuf) realloc((char *) screen->visbuf,
(unsigned) MAX_PTRS*(screen->max_row + 2 +
screen->savelines) *
sizeof(char *)))
== NULL)
SysError(ERROR_SBRALLOC);
screen->visbuf = &screen->allbuf[MAX_PTRS * screen->savelines];
memmove( (char *)screen->visbuf, (char *)screen->allbuf,
MAX_PTRS * (screen->max_row + 2) * sizeof (char *));
for (i = k = 0; i < screen->savelines; i++)
{
k += BUF_HEAD;
for (j = BUF_HEAD; j < MAX_PTRS; j++)
{
if((screen->allbuf[k++] =
(Char *)calloc((unsigned) screen->max_col + 1, sizeof(Char))) ==
NULL)
SysError(ERROR_SBRALLOC2);
}
}
}
ResizeScrollBar (screen);
xtermAddInput(screen->scrollWidget);
XtRealizeWidget (screen->scrollWidget);
/* Now set the left ptr cursor for the scrollbar [email protected] */
XDefineCursor(XtDisplay(screen->scrollWidget),
XtWindow(screen->scrollWidget),
screen->arrow);
screen->fullVwin.sb_info.rv_cached = False;
screen->fullVwin.sb_info.width = screen->scrollWidget->core.width +
screen->scrollWidget->core.border_width;
ScrollBarDrawThumb(screen->scrollWidget);
DoResizeScreen (xw);
XtMapWidget(screen->scrollWidget);
update_scrollbar ();
if (screen->visbuf)
{
XClearWindow (screen->display, XtWindow (term));
Redraw ();
}
/* XXX TODO if scrollbar is on right [email protected] */
}