void mod_ui::draw_shift_information(WINDOW *win, int sy, int sx,
const std::vector<std::string> mod_list, const int selection)
{
const std::string can_shift_true = "<color_cyan>";
const std::string can_shift_false = "<color_magenta>";
const std::string can_shift_close = "</color>";
std::string shift_string = "";
if (can_shift_up(selection, mod_list)) {
shift_string += can_shift_true;
} else {
shift_string += can_shift_false;
}
shift_string += "+" + can_shift_close;
shift_string += " ";
if (can_shift_down(selection, mod_list)) {
shift_string += can_shift_true;
} else {
shift_string += can_shift_false;
}
shift_string += "-" + can_shift_close;
fold_and_print(win, sy, sx, 4, c_black, shift_string.c_str());
}
void mod_ui::try_shift( char direction, int &selection, std::vector<std::string> &active_list )
{
// error catch for out of bounds
if( selection < 0 || selection >= ( int )active_list.size() ) {
return;
}
int newsel;
int oldsel;
std::string selstring;
std::string modstring;
int selshift = 0;
// shift up (towards 0)
if( direction == '+' && can_shift_up( selection, active_list ) ) {
// see if the mod at selection-1 is a) a core, or b) is depended on by this mod
newsel = selection - 1;
oldsel = selection;
selshift = -1;
}
// shift down (towards active_list.size()-1)
else if( direction == '-' && can_shift_down( selection, active_list ) ) {
newsel = selection;
oldsel = selection + 1;
selshift = +1;
}
if( !selshift ) { // false if selshift is 0, true if selshift is +/- 1: bool(int(0)) evaluates to false and bool(int(!0)) evaluates to true
return;
}
modstring = active_list[newsel];
selstring = active_list[oldsel];
// we can shift!
// switch values!
active_list[newsel] = selstring;
active_list[oldsel] = modstring;
selection += selshift;
}
