bsnes/higan/phoenix/windows/widget/vertical-scroller.cpp

43 lines
992 B
C++

namespace phoenix {
Size pVerticalScroller::minimumSize() {
return {18, 0};
}
unsigned pVerticalScroller::position() {
return GetScrollPos(hwnd, SB_CTL);
}
void pVerticalScroller::setLength(unsigned length) {
length += (length == 0);
SetScrollRange(hwnd, SB_CTL, 0, length - 1, TRUE);
verticalScroller.setPosition(0);
}
void pVerticalScroller::setPosition(unsigned position) {
SetScrollPos(hwnd, SB_CTL, position, TRUE);
}
void pVerticalScroller::constructor() {
hwnd = CreateWindow(
L"SCROLLBAR", L"", WS_CHILD | SBS_VERT,
0, 0, 0, 0, parentWindow->p.hwnd, (HMENU)id, GetModuleHandle(0), 0
);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&verticalScroller);
unsigned position = verticalScroller.state.position;
setLength(verticalScroller.state.length);
verticalScroller.setPosition(position);
synchronize();
}
void pVerticalScroller::destructor() {
DestroyWindow(hwnd);
}
void pVerticalScroller::orphan() {
destructor();
constructor();
}
}