bsnes/purify/phoenix/windows/widget/vertical-scroll-bar.cpp

39 lines
996 B
C++
Executable File

Geometry pVerticalScrollBar::minimumGeometry() {
return { 0, 0, 18, 0 };
}
unsigned pVerticalScrollBar::position() {
return GetScrollPos(hwnd, SB_CTL);
}
void pVerticalScrollBar::setLength(unsigned length) {
length += (length == 0);
SetScrollRange(hwnd, SB_CTL, 0, length - 1, TRUE);
verticalScrollBar.setPosition(0);
}
void pVerticalScrollBar::setPosition(unsigned position) {
SetScrollPos(hwnd, SB_CTL, position, TRUE);
}
void pVerticalScrollBar::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)&verticalScrollBar);
unsigned position = verticalScrollBar.state.position;
setLength(verticalScrollBar.state.length);
verticalScrollBar.setPosition(position);
synchronize();
}
void pVerticalScrollBar::destructor() {
DestroyWindow(hwnd);
}
void pVerticalScrollBar::orphan() {
destructor();
constructor();
}