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

48 lines
1.3 KiB
C++

namespace phoenix {
Size pVerticalSlider::minimumSize() {
return {0, 25};
}
void pVerticalSlider::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));
verticalSlider.setPosition(0);
}
void pVerticalSlider::setPosition(unsigned position) {
SendMessage(hwnd, TBM_SETPOS, (WPARAM)true, (LPARAM)position);
}
void pVerticalSlider::constructor() {
hwnd = CreateWindow(
TRACKBAR_CLASS, L"", WS_CHILD | WS_TABSTOP | TBS_TRANSPARENTBKGND | TBS_NOTICKS | TBS_BOTH | TBS_VERT,
0, 0, 0, 0, parentHwnd, (HMENU)id, GetModuleHandle(0), 0
);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&verticalSlider);
unsigned position = verticalSlider.state.position;
setLength(verticalSlider.state.length);
verticalSlider.setPosition(position);
synchronize();
}
void pVerticalSlider::destructor() {
DestroyWindow(hwnd);
}
void pVerticalSlider::orphan() {
destructor();
constructor();
}
void pVerticalSlider::onChange() {
unsigned position = SendMessage(hwnd, TBM_GETPOS, 0, 0);
if(position == verticalSlider.state.position) return;
verticalSlider.state.position = position;
if(verticalSlider.onChange) verticalSlider.onChange();
}
}