bsnes/hiro/core/widget/combo-button.cpp

71 lines
1.6 KiB
C++

#if defined(Hiro_ComboButton)
auto mComboButton::allocate() -> pObject* {
return new pComboButton(*this);
}
auto mComboButton::destruct() -> void {
for(auto& item : state.items) item->destruct();
mWidget::destruct();
}
//
auto mComboButton::append(sComboButtonItem item) -> type& {
state.items.append(item);
item->setParent(this, items() - 1);
signal(append, item);
return *this;
}
auto mComboButton::doChange() const -> void {
if(state.onChange) return state.onChange();
}
auto mComboButton::item(unsigned position) const -> sComboButtonItem {
if(position < items()) return state.items[position];
return {};
}
auto mComboButton::items() const -> unsigned {
return state.items.size();
}
auto mComboButton::onChange(const function<void ()>& callback) -> type& {
state.onChange = callback;
return *this;
}
auto mComboButton::remove(sComboButtonItem item) -> type& {
signal(remove, item);
state.items.remove(item->offset());
for(auto n : range(item->offset(), items())) {
state.items[n]->adjustOffset(-1);
}
item->setParent();
return *this;
}
auto mComboButton::reset() -> type& {
signal(reset);
for(auto& item : state.items) item->setParent();
state.items.reset();
return *this;
}
auto mComboButton::selected() const -> sComboButtonItem {
for(auto& item : state.items) {
if(item->selected()) return item;
}
return {};
}
auto mComboButton::setParent(mObject* parent, signed offset) -> type& {
for(auto& item : state.items) item->destruct();
mObject::setParent(parent, offset);
for(auto& item : state.items) item->setParent(this, item->offset());
return *this;
}
#endif