/* After a resize, clear all the lines that were occupied by prompt + line buffer before the resize */
static
void wipe_textarea(struct winsize *old_winsize)
{
int point, lineheight, linelength, cursor_height, i, promptlength;
if (!prompt_is_single_line()) { /* Don't need to do anything in horizontal_scroll_mode */
promptlength = colourless_strlen((saved_rl_state.cooked_prompt ? saved_rl_state.cooked_prompt: saved_rl_state.raw_prompt), NULL, old_winsize -> ws_col);
linelength = (within_line_edit ? strlen(rl_line_buffer) : 0) + promptlength;
point = (within_line_edit ? rl_point : 0) + promptlength;
assert(old_winsize -> ws_col > 0);
lineheight = (linelength == 0 ? 0 : (1 + (max(point, (linelength - 1)) / old_winsize -> ws_col)));
if (lineheight > 1 && term_cursor_up != NULL && term_cursor_down != NULL) {
/* i.e. if we have multiple rows displayed, and we can clean them up first */
cr();
cursor_height = point / old_winsize -> ws_col; /* cursor is still on old line */
DPRINTF2(DEBUG_SIGNALS, "lineheight: %d, cursor_height: %d", lineheight, cursor_height);
for (i = 1 + cursor_height; i < lineheight; i++)
curs_down(); /* ...move it down to last line */
for (i = lineheight; i > 1; i--) { /* go up again, erasing every line */
clear_line();
curs_up();
}
}
clear_line();
cr();
}
}
/*** Split line ***/
void split_curline( Project p )
{
if( split_line(&p->undo, p->edited, p->nbc, &p->nbrwc, prefs.auto_indent) )
{
register LINE *ln = p->edited;
/* Redraw line where cursor is */
Move(RP,gui.left,p->ycurs);
write_text(p, ln);
/* A line has been added */
p->max_lines++; p->nbrwc = x2pos(ln,p->nbrwc);
/* Scroll manually the display and redraw new line */
if(p->ycurs < gui.botcurs)
{
ScrollRaster(RP, 0, -YSIZE, gui.left,p->ycurs+YSIZE-BASEL,gui.right,gui.bottom);
Move(RP,gui.left,p->ycurs+YSIZE); ln = ln->next;
write_text(p, ln);
prop_adj(p);
}
/* Go down one line */
curs_down(p);
} else ThrowError(Wnd, ErrMsg(ERR_NOMEM));
}
/*** One pos right ***/
void curs_right(Project p, BYTE word)
{
if(p->nbc < p->edited->size)
{
inv_curs(p,FALSE);
if(word) p->nbc = forward_word(p->edited, p->nbc); else p->nbc++;
p->nbrwc = p->nbrc = x2pos(p->edited, p->nbc);
p->xcurs = (p->nbrc-p->left_pos) * XSIZE + gui.left;
/* Move the cursor */
/* Is it gone outside edit area? */
if(p->nbrc>=p->left_pos+gui.nbcol)
scroll_xy(p, adjust_leftpos(p, gui.xstep), p->top_line, FALSE);
if(p->ccp.select) move_selection(p, p->nbrc, p->nbl);
inv_curs(p,TRUE);
draw_info( p );
} else if(p->edited->next) {
/* jump down to next line */
p->nbrwc = 0;
curs_down(p);
}
}
