static void
repaint_line(unsigned newChrSet)
{
register TScreen *screen = &term->screen;
int curcol = screen->cur_col;
int currow = screen->cur_row;
int len = screen->max_col + 1;
int width = len;
unsigned oldChrSet = SCRN_BUF_CSETS(screen, currow)[0];
/*
* Ignore repetition.
*/
if (oldChrSet == newChrSet)
return;
TRACE(("repaint_line(%2d,%2d) (%d)\n", currow, screen->cur_col, newChrSet));
HideCursor();
/* If switching from single-width, keep the cursor in the visible part
* of the line.
*/
if (CSET_DOUBLE(newChrSet)) {
width /= 2;
if (curcol > width)
curcol = width;
}
/*
* ScrnRefresh won't paint blanks for us if we're switching between a
* single-size and double-size font.
*/
if (CSET_DOUBLE(oldChrSet) != CSET_DOUBLE(newChrSet)) {
ClearCurBackground(
screen,
CursorY(screen, currow),
CurCursorX(screen, currow, 0),
FontHeight(screen),
len * CurFontWidth(screen, currow));
}
/* FIXME: do VT220 softchars allow double-sizes? */
memset(SCRN_BUF_CSETS(screen, currow), newChrSet, len);
screen->cur_col = 0;
ScrnRefresh(screen, currow, 0, 1, len, True);
screen->cur_col = curcol;
}
static void
repaint_line(unsigned newChrSet)
{
register TScreen *screen = &term->screen;
int curcol = screen->cur_col;
int len = screen->max_col + 1;
int width = len;
TRACE(("repaint_line(%2d,%2d) (%d)\n", screen->cur_row, screen->cur_col, newChrSet))
/* If switching from single-width, keep the cursor in the visible part
* of the line.
*/
if (CSET_DOUBLE(newChrSet)) {
width /= 2;
if (curcol > width)
curcol = width;
}
/* FIXME: do VT220 softchars allow double-sizes? */
memset(SCRN_BUF_CSETS(screen, screen->cur_row), newChrSet, len);
screen->cur_col = 0;
ScrnRefresh (screen, screen->cur_row, 0, 1, len, True);
screen->cur_col = curcol;
}
static void
repaint_line(XtermWidget xw, unsigned newChrSet)
{
TScreen *screen = TScreenOf(xw);
LineData *ld;
int curcol = screen->cur_col;
int currow = screen->cur_row;
int width = MaxCols(screen);
unsigned len = (unsigned) width;
assert(width > 0);
/*
* Ignore repetition.
*/
if (!IsLeftRightMode(xw)
&& (ld = getLineData(screen, currow)) != 0) {
unsigned oldChrSet = GetLineDblCS(ld);
if (oldChrSet != newChrSet) {
TRACE(("repaint_line(%2d,%2d) (%s -> %s)\n", currow, screen->cur_col,
visibleDblChrset(oldChrSet),
visibleDblChrset(newChrSet)));
HideCursor();
/* If switching from single-width, keep the cursor in the visible part
* of the line.
*/
if (CSET_DOUBLE(newChrSet)) {
width /= 2;
if (curcol > width)
curcol = width;
}
/*
* ScrnRefresh won't paint blanks for us if we're switching between a
* single-size and double-size font. So we paint our own.
*/
ClearCurBackground(xw,
currow,
0,
1,
len,
(unsigned) LineFontWidth(screen, ld));
SetLineDblCS(ld, newChrSet);
set_cur_col(screen, 0);
ScrnUpdate(xw, currow, 0, 1, (int) len, True);
set_cur_col(screen, curcol);
}
}
}
/*
* Insert n blanks at the cursor's position, no wraparound
*/
void
InsertChar (register TScreen *screen, register int n)
{
if(screen->cursor_state)
HideCursor();
screen->do_wrap = 0;
if(screen->cur_row - screen->topline <= screen->max_row) {
if(!AddToRefresh(screen)) {
int col = screen->max_col + 1 - n;
if(screen->scroll_amt)
FlushScroll(screen);
#if OPT_DEC_CHRSET
if (CSET_DOUBLE(SCRN_BUF_CSETS(screen, screen->cur_row)[0])) {
col = (screen->max_col + 1) / 2 - n;
}
#endif
/*
* prevent InsertChar from shifting the end of a line over
* if it is being appended to
*/
if (non_blank_line (screen->visbuf, screen->cur_row,
screen->cur_col, screen->max_col + 1))
horizontal_copy_area(screen, screen->cur_col,
col - screen->cur_col,
n);
ClearCurBackground(
screen,
CursorY (screen, screen->cur_row),
CurCursorX (screen, screen->cur_row, screen->cur_col),
FontHeight(screen),
n * CurFontWidth(screen,screen->cur_row));
}
}
/* adjust screen->buf */
ScrnInsertChar(screen, n, screen->max_col + 1);
}
/*
* Deletes n chars at the cursor's position, no wraparound.
*/
void
DeleteChar (register TScreen *screen, register int n)
{
register int width;
if(screen->cursor_state)
HideCursor();
screen->do_wrap = 0;
if (n > (width = screen->max_col + 1 - screen->cur_col))
n = width;
if(screen->cur_row - screen->topline <= screen->max_row) {
if(!AddToRefresh(screen)) {
int col = screen->max_col + 1 - n;
if(screen->scroll_amt)
FlushScroll(screen);
#if OPT_DEC_CHRSET
if (CSET_DOUBLE(SCRN_BUF_CSETS(screen, screen->cur_row)[0])) {
col = (screen->max_col + 1) / 2 - n;
}
#endif
horizontal_copy_area(screen, screen->cur_col+n,
col - screen->cur_col,
-n);
ClearCurBackground (
screen,
CursorY (screen, screen->cur_row),
CurCursorX(screen, screen->cur_row, col),
FontHeight(screen),
n * CurFontWidth(screen,screen->cur_row));
}
}
/* adjust screen->buf */
ScrnDeleteChar (screen, n, screen->max_col + 1);
}
