/*----------------------------------------------------------------------
Move the cursor to the row and column number
Input: row number
column number
Result: Cursor moves
internal position updated
----------------------------------------------------------------------*/
void
MoveCursor(int row, int col)
{
/** move cursor to the specified row column on the screen.
0,0 is the top left! **/
if(ps_global->in_init_seq)
return;
/*
* This little hack is here for screen readers, for example, a screen
* reader associated with a braille display. If we flash the cursor off
* and on in the same position, the reader will be drawn to it. Since we
* are calling MoveCursor every time through the message viewing loops we
* need to suppress the calls if they aren't really doing anything.
* However, mswin_move actually does more than just move the cursor.
* It also call FlushAccum(), which is necessary in some cases. For
* example, in optionally_enter the user is typing characters in and
* the FlushAccum() allows them to show up on the screen. The putblock
* call is a quick hack to get the Flush_Accum() call, which is all
* the putblock does when the arg is NULL.
*/
if(row == _line && col == _col){
mswin_putblock(NULL, 0);
return;
}
mswin_move(row, col);
_line = row;
_col = col;
}
/*
* invert_label - highlight the label of the given menu item.
*/
void
invert_label(int state, MENUITEM *m)
{
int r, c;
unsigned i, j;
char *lp;
int old_state;
int wasShown;
int col_offset;
COLOR_PAIR *lastc = NULL;
if(m->val == mnoop)
return;
mswin_getpos (&r, &c); /* get cursor position */
wasShown = mswin_showcaret (0);
old_state = mswin_getrevstate ();
/*
* Leave the command name bold
*/
col_offset = (state || !(lp=strchr(m->label, ' '))) ? 0 : (lp - m->label);
(*term.t_move)(m->tl.r, m->tl.c + col_offset);
if(state && m->kncp)
lastc = pico_set_colorp(m->kncp, PSC_REV|PSC_RET);
else if(!state && m->klcp)
lastc = pico_set_colorp(m->klcp, PSC_NORM|PSC_RET);
else
(*term.t_rev)(state);
for(i = m->tl.r; i <= m->br.r; i++) {
for(j = m->tl.c + col_offset; j <= m->br.c; j++) {
if(i == m->lbl.r && j == m->lbl.c + col_offset){ /* show label?? */
lp = m->label + col_offset;
while(*lp && j++ < m->br.c)
(*term.t_putchar)(*lp++);
continue;
}
else
(*term.t_putchar)(' ');
}
}
if(lastc){
(void)pico_set_colorp(lastc, PSC_NONE);
free_color_pair(&lastc);
}
else
(*term.t_rev)(old_state);
mswin_move (r, c);
mswin_showcaret (wasShown);
}
/*----------------------------------------------------------------------
Clear the terminal screen
----------------------------------------------------------------------*/
void
ClearScreen(void)
{
_line = 0; /* clear leaves us at top... */
_col = 0;
if(ps_global->in_init_seq)
return;
mark_status_unknown();
mark_keymenu_dirty();
mark_titlebar_dirty();
mswin_move(0, 0);
mswin_eeop();
}
/*----------------------------------------------------------------------
Write a character to the screen, keeping track of cursor position
Input: charater to write
Result: character output
cursor position variables updated
----------------------------------------------------------------------*/
void
Writewchar(UCS ucs)
{
int width;
if(ps_global->in_init_seq)
return;
switch(ucs){
case LINE_FEED :
_line = min(_line+1,ps_global->ttyo->screen_rows);
_col =0;
mswin_move(_line, _col);
break;
case RETURN : /* move to column 0 */
_col = 0;
mswin_move(_line, _col);
case BACKSPACE : /* move back a space if not in column 0 */
if(_col > 0)
mswin_move(_line, --_col);
break;
case BELL : /* ring the bell but don't advance _col */
mswin_beep(); /* libpico call */
break;
case TAB: /* if a tab, output it */
do
mswin_putc(' ');
while(((++_col)&0x07) != 0);
break;
default:
/* pass_ctrl_chars is always 1 for Windows */
width = wcellwidth(ucs);
if(width < 0){
mswin_putc('?');
_col++;
}
else if(_col + width > ps_global->ttyo->screen_cols){
int i;
i = ps_global->ttyo->screen_cols - _col - 1;
while(i-- > 0)
mswin_putc(' ');
_col = ps_global->ttyo->screen_cols - 1;
mswin_move(_line, _col);
mswin_putc('>');
_col++;
}
else{
mswin_putc(ucs);
_col += width;
}
}
if(_col >= ps_global->ttyo->screen_cols){
_col = ps_global->ttyo->screen_cols;
mswin_move(_line, _col);
}
return;
}
