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#if defined(Hiro_HorizontalScrollBar)
namespace hiro {
auto pHorizontalScrollBar::construct() -> void {
hwnd = CreateWindow(
L"SCROLLBAR", L"", WS_CHILD | WS_TABSTOP | SBS_HORZ,
0, 0, 0, 0, _parentHandle(), nullptr, GetModuleHandle(0), 0
);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&reference);
pWidget::_setState();
setLength(state().length);
setPosition(state().position);
}
auto pHorizontalScrollBar::destruct() -> void {
DestroyWindow(hwnd);
}
auto pHorizontalScrollBar::minimumSize() const -> Size {
return {0, 18};
}
auto pHorizontalScrollBar::setLength(unsigned length) -> void {
length += (length == 0);
SetScrollRange(hwnd, SB_CTL, 0, length - 1, TRUE);
}
auto pHorizontalScrollBar::setPosition(unsigned position) -> void {
SetScrollPos(hwnd, SB_CTL, position, TRUE);
}
auto pHorizontalScrollBar::onChange(WPARAM wparam) -> void {
unsigned position = ScrollEvent(hwnd, wparam);
if(position == state().position) return;
state().position = position;
self().doChange();
}
}
#endif
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