bsnes/phoenix/windows/widget/horizontal-slider.cpp

48 lines
1.3 KiB
C++

namespace phoenix {
Size pHorizontalSlider::minimumSize() {
return {0, 25};
}
void pHorizontalSlider::setLength(unsigned length) {
length += (length == 0);
SendMessage(hwnd, TBM_SETRANGE, (WPARAM)true, (LPARAM)MAKELONG(0, length - 1));
SendMessage(hwnd, TBM_SETPAGESIZE, 0, (LPARAM)(length >> 3));
horizontalSlider.setPosition(0);
}
void pHorizontalSlider::setPosition(unsigned position) {
SendMessage(hwnd, TBM_SETPOS, (WPARAM)true, (LPARAM)position);
}
void pHorizontalSlider::constructor() {
hwnd = CreateWindow(
TRACKBAR_CLASS, L"", WS_CHILD | WS_TABSTOP | TBS_TRANSPARENTBKGND | TBS_NOTICKS | TBS_BOTH | TBS_HORZ,
0, 0, 0, 0, parentHwnd, (HMENU)id, GetModuleHandle(0), 0
);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&horizontalSlider);
unsigned position = horizontalSlider.state.position;
setLength(horizontalSlider.state.length);
horizontalSlider.setPosition(position);
synchronize();
}
void pHorizontalSlider::destructor() {
DestroyWindow(hwnd);
}
void pHorizontalSlider::orphan() {
destructor();
constructor();
}
void pHorizontalSlider::onChange() {
unsigned position = SendMessage(hwnd, TBM_GETPOS, 0, 0);
if(position == horizontalSlider.state.position) return;
horizontalSlider.state.position = position;
if(horizontalSlider.onChange) horizontalSlider.onChange();
}
}