static int popup_cancel_button_handler(widget_list *w,
int UNUSED(mx), int UNUSED(my), Uint32 flags)
{
INPUT_POPUP *ipu = ipu_from_widget(w);
if (ipu == NULL) return 0;
// only handle mouse button clicks, not scroll wheels moves
if ( (flags & ELW_MOUSE_BUTTON) == 0) return 0;
// call the cancel function of the window owner then clear up
if (ipu->popup_cancel != NULL)
(*ipu->popup_cancel) (ipu->data);
clear_popup_window (ipu);
return 1;
}
static int popup_keypress_handler(window_info *win,
int UNUSED(mx), int UNUSED(my), Uint32 key, Uint32 unikey)
{
INPUT_POPUP *ipu = ipu_from_window(win);
if (ipu == NULL) return 0;
if (key == SDLK_RETURN)
{
accept_popup_window (ipu);
return 1;
}
else if (key == SDLK_ESCAPE)
{
if (ipu->popup_cancel != NULL)
(*ipu->popup_cancel) (ipu->data);
clear_popup_window (ipu);
return 1;
}
else
{
// send other key presses to the text field
widget_list *tfw = widget_find (win->window_id, ipu->popup_field);
if (tfw != NULL)
{
// FIXME? This is a bit hackish, we don't allow the
// widget to process keypresses, so that we end up
// in this handler. But now we need the default
// widget handler to take care of this keypress, so
// we clear the flag, let the widget handle it, then
// set the flag again.
int res;
tfw->Flags &= ~TEXT_FIELD_NO_KEYPRESS;
res = widget_handle_keypress (tfw, mx - tfw->pos_x, my - tfw->pos_y, key, unikey);
tfw->Flags |= TEXT_FIELD_NO_KEYPRESS;
return res;
}
}
// shouldn't get here
return 0;
}
static void accept_popup_window (INPUT_POPUP *ipu)
{
int istart, iend, itmp, len = ipu->popup_text.len;
char *data = ipu->popup_text.data;
// skip leading spaces
istart = 0;
while ( istart < len && isspace (data[istart]) )
istart++;
if (istart >= len)
// empty string
return;
// remove soft breaks
iend = itmp = istart;
while ( iend < len )
{
if (data[iend] != '\r')
data[itmp++] = data[iend];
iend++;
}
len = itmp;
// stop at first non-printable character if allow_nonprint_chars not set
iend = istart;
while ( iend < len && (ipu->allow_nonprint_chars || is_printable (data[iend]) ))
iend++;
if (iend == istart)
// empty string
return;
// send the entered text to the window owner then clear up
data[iend] = '\0';
if (ipu->popup_input != NULL)
(*ipu->popup_input) (&data[istart], ipu->data);
if (!ipu->accept_do_not_close)
clear_popup_window (ipu);
}
void close(void) { if (get_show_window(ipu.popup_win)) clear_popup_window(&ipu); }