/*
* After writing text to the screen, resolve mismatch between the current
* location and any attributes that would have been set by preceding locations.
*/
void
Resolve_XMC(XtermWidget xw)
{
TScreen *screen = TScreenOf(xw);
LineData *ld;
Bool changed = False;
Char start;
Char my_attrs = CharOf(screen->xmc_attributes & XMC_FLAGS);
int row = screen->cur_row;
int col = screen->cur_col;
/* Find the preceding cell.
*/
ld = getLineData(screen, row);
if (ld->charData[col] != XMC_GLITCH) {
if (col != 0) {
col--;
} else if (!screen->xmc_inline && row != 0) {
ld = getLineData(screen, --row);
col = LineMaxCol(screen, ld);
}
}
start = (ld->attribs[col] & my_attrs);
/* Now propagate the starting state until we reach a cell which holds
* a glitch.
*/
for (;;) {
if (col < LineMaxCol(screen, ld)) {
col++;
} else if (!screen->xmc_inline && row < screen->max_row) {
col = 0;
ld = getLineData(screen, ++row);
} else
break;
if (ld->charData[col] == XMC_GLITCH)
break;
if ((ld->attribs[col] & my_attrs) != start) {
ld->attribs[col] =
CharOf(start | (ld->attribs[col] & ~my_attrs));
changed = True;
}
}
TRACE(("XMC %s (%s:%d/%d) from %d,%d to %d,%d\n",
changed ? "Ripple" : "Nochange",
BtoS(xw->flags & my_attrs),
my_attrs, start,
screen->cur_row, screen->cur_col,
row, col));
if (changed) {
ScrnUpdate(xw, screen->cur_row, 0, row + 1 - screen->cur_row,
MaxCols(screen), True);
}
}
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();
}
}
}
