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#if defined(Hiro_Viewport)
namespace hiro {
static auto CALLBACK Viewport_windowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) -> LRESULT {
auto object = (mObject*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
if(!object) return DefWindowProc(hwnd, msg, wparam, lparam);
auto viewport = dynamic_cast<mViewport*>(object);
if(!viewport) return DefWindowProc(hwnd, msg, wparam, lparam);
if(msg == WM_DROPFILES) {
if(auto paths = DropPaths(wparam)) viewport->doDrop(paths);
return false;
}
if(msg == WM_GETDLGCODE) {
return DLGC_STATIC | DLGC_WANTCHARS;
}
if(msg == WM_MOUSEMOVE) {
TRACKMOUSEEVENT tracker{sizeof(TRACKMOUSEEVENT), TME_LEAVE, hwnd};
TrackMouseEvent(&tracker);
viewport->doMouseMove({(int16_t)LOWORD(lparam), (int16_t)HIWORD(lparam)});
}
if(msg == WM_MOUSELEAVE) {
viewport->doMouseLeave();
}
if(msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN || msg == WM_RBUTTONDOWN) {
switch(msg) {
case WM_LBUTTONDOWN: viewport->doMousePress(Mouse::Button::Left); break;
case WM_MBUTTONDOWN: viewport->doMousePress(Mouse::Button::Middle); break;
case WM_RBUTTONDOWN: viewport->doMousePress(Mouse::Button::Right); break;
}
}
if(msg == WM_LBUTTONUP || msg == WM_MBUTTONUP || msg == WM_RBUTTONUP) {
switch(msg) {
case WM_LBUTTONUP: viewport->doMouseRelease(Mouse::Button::Left); break;
case WM_MBUTTONUP: viewport->doMouseRelease(Mouse::Button::Middle); break;
case WM_RBUTTONUP: viewport->doMouseRelease(Mouse::Button::Right); break;
}
}
return DefWindowProc(hwnd, msg, wparam, lparam);
}
auto pViewport::construct() -> void {
hwnd = CreateWindow(L"hiroViewport", L"",
WS_CHILD | WS_DISABLED,
0, 0, 0, 0, _parentHandle(), nullptr, GetModuleHandle(0), 0);
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)&reference);
pWidget::_setState();
setDroppable(state().droppable);
}
auto pViewport::destruct() -> void {
DestroyWindow(hwnd);
}
auto pViewport::handle() const -> uintptr_t {
return (uintptr_t)hwnd;
}
auto pViewport::setDroppable(bool droppable) -> void {
DragAcceptFiles(hwnd, droppable);
}
}
#endif
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