void PDC_napms(int ms)
{
PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
PDC_update_rects();
SDL_Delay(ms);
}
void PDC_gotoyx(int row, int col)
{
SDL_Rect src, dest;
chtype ch;
int oldrow, oldcol;
PDC_LOG(("PDC_gotoyx() - called: row %d col %d from row %d col %d\n",
row, col, SP->cursrow, SP->curscol));
if (SP->mono)
return;
oldrow = SP->cursrow;
oldcol = SP->curscol;
/* clear the old cursor */
PDC_transform_line(oldrow, oldcol, 1, curscr->_y[oldrow] + oldcol);
if (!SP->visibility)
return;
/* draw a new cursor by overprinting the existing character in
reverse, either the full cell (when visibility == 2) or the
lowest quarter of it (when visibility == 1) */
ch = curscr->_y[row][col] ^ A_REVERSE;
_set_attr(ch);
#ifdef CHTYPE_LONG
if (ch & A_ALTCHARSET && !(ch & 0xff80))
ch = acs_map[ch & 0x7f];
#endif
src.h = (SP->visibility == 1) ? pdc_fheight >> 2 : pdc_fheight;
src.w = pdc_fwidth;
dest.y = (row + 1) * pdc_fheight - src.h + pdc_yoffset;
dest.x = col * pdc_fwidth + pdc_xoffset;
src.x = (ch & 0xff) % 32 * pdc_fwidth;
src.y = (ch & 0xff) / 32 * pdc_fheight + (pdc_fheight - src.h);
SDL_BlitSurface(pdc_font, &src, pdc_screen, &dest);
if (oldrow != row || oldcol != col)
{
if (rectcount == MAXRECT)
PDC_update_rects();
uprect[rectcount++] = dest;
}
}
bool PDC_check_key(void)
{
Uint32 current = SDL_GetTicks();
int haveevent = SDL_PollEvent(&event);
/* if we have an event, or 30 ms have passed without a screen
update, or the timer has wrapped, update now */
if (haveevent ||
current < pdc_lastupdate || ((current - pdc_lastupdate) > 30))
PDC_update_rects();
return haveevent;
}
bool PDC_check_key(void)
{
Uint32 current = SDL_GetTicks();
int haveevent;
/**
* SDL_TEXTINPUT can return multiple chars from the IME
* which we should handle before polling for additional
* events.
*/
if (event.type == SDL_TEXTINPUT && event.text.text[0])
haveevent = 1;
else haveevent = SDL_PollEvent(&event);
/* if we have an event, or 30 ms have passed without a screen
update, or the timer has wrapped, update now */
if (haveevent ||
current < pdc_lastupdate || ((current - pdc_lastupdate) > 30))
PDC_update_rects();
return haveevent;
}
void PDC_transform_line(int lineno, int x, int len, const chtype *srcp)
{
SDL_Rect src, dest, lastrect;
int j;
PDC_LOG(("PDC_transform_line() - called: lineno=%d\n", lineno));
if (rectcount == MAXRECT)
PDC_update_rects();
src.h = pdc_fheight;
src.w = pdc_fwidth;
dest.y = pdc_fheight * lineno + pdc_yoffset;
dest.x = pdc_fwidth * x + pdc_xoffset;
dest.h = pdc_fheight;
dest.w = pdc_fwidth * len;
/* if the previous rect was just above this one, with the same width
and horizontal position, then merge the new one with it instead
of adding a new entry */
if (rectcount)
lastrect = uprect[rectcount - 1];
if (rectcount && lastrect.x == dest.x && lastrect.w == dest.w)
{
if (lastrect.y + lastrect.h == dest.y)
uprect[rectcount - 1].h = lastrect.h + pdc_fheight;
else
if (lastrect.y != dest.y)
uprect[rectcount++] = dest;
}
else
uprect[rectcount++] = dest;
dest.w = pdc_fwidth;
for (j = 0; j < len; j++)
{
chtype ch = srcp[j];
_set_attr(ch);
#ifdef CHTYPE_LONG
if (ch & A_ALTCHARSET && !(ch & 0xff80))
ch = (ch & (A_ATTRIBUTES ^ A_ALTCHARSET)) | acs_map[ch & 0x7f];
#endif
if (backgr == -1)
SDL_LowerBlit(pdc_tileback, &dest, pdc_screen, &dest);
src.x = (ch & 0xff) % 32 * pdc_fwidth;
src.y = (ch & 0xff) / 32 * pdc_fheight;
SDL_LowerBlit(pdc_font, &src, pdc_screen, &dest);
if (ch & (A_UNDERLINE|A_LEFTLINE|A_RIGHTLINE))
_highlight(&src, &dest, ch);
dest.x += pdc_fwidth;
}
}