/*
* moves the cursor forward n, no wraparound
*/
void
CursorForward(register TScreen *screen, int n)
{
screen->cur_col += n;
if (screen->cur_col > CurMaxCol(screen, screen->cur_row))
screen->cur_col = CurMaxCol(screen, screen->cur_row);
screen->do_wrap = 0;
_CheckSelection(screen);
}
/*
* 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(register TScreen *screen)
{
Boolean changed = False;
Char start;
Char my_attrs = (screen->xmc_attributes & XMC_FLAGS);
int row = screen->cur_row;
int col = screen->cur_col;
/* Find the preceding cell.
*/
if (getXtermCell(screen, row, col) != XMC_GLITCH) {
if (col != 0) {
col--;
} else if (!screen->xmc_inline && row != 0) {
row--;
col = CurMaxCol(screen, row);
}
}
start = (SCRN_BUF_ATTRS(screen, row)[col] & my_attrs);
/* Now propagate the starting state until we reach a cell which holds
* a glitch.
*/
for (;;) {
if (col < CurMaxCol(screen, row)) {
col++;
} else if (!screen->xmc_inline && row < screen->max_row) {
row++;
col = 0;
} else
break;
if (getXtermCell(screen, row, col) == XMC_GLITCH)
break;
if ((SCRN_BUF_ATTRS(screen, row)[col] & my_attrs) != start) {
SCRN_BUF_ATTRS(screen, row)[col] = start |
(SCRN_BUF_ATTRS(screen, row)[col] & ~my_attrs);
changed = True;
}
}
TRACE(("XMC %s (%s:%d/%d) from %d,%d to %d,%d\n",
changed ? "Ripple" : "Nochange",
term->flags & my_attrs ? "on" : "off",
my_attrs, start,
screen->cur_row, screen->cur_col, row, col));
if (changed) {
ScrnRefresh (screen, screen->cur_row, 0, row + 1 - screen->cur_row, screen->max_col + 1, True);
}
}
/*
* Force a glitch on cursor movement when we're in standout mode and not at the
* end of a line.
*/
void Jump_XMC(register TScreen *screen)
{
if (!screen->move_sgr_ok
&& screen->cur_col <= CurMaxCol(screen, screen->cur_row)) {
Mark_XMC(screen, -1);
}
}
/*
* moves the cursor forward n, no wraparound
*/
void
CursorForward(TScreen * screen, int n)
{
int next = screen->cur_col + n;
int max = CurMaxCol(screen, screen->cur_row);
if (next > max)
next = max;
set_cur_col(screen, next);
screen->do_wrap = 0;
}
/*
* Tab to the next stop, returning true if the cursor moved
*/
Bool
TabToNextStop(TScreen * screen)
{
int saved_column = screen->cur_col;
int next = TabNext(screen, term->tabs, screen->cur_col);
int max = CurMaxCol(screen, screen->cur_row);
if (next > max)
next = max;
set_cur_col(screen, next);
return (screen->cur_col > saved_column);
}