// Main message handler for the sample.
LRESULT CALLBACK DXSample::WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
DXSample* pSample = reinterpret_cast<DXSample*>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
switch (message)
{
case WM_CREATE:
{
// Save a pointer to the DXSample passed in to CreateWindow.
LPCREATESTRUCT pCreateStruct = reinterpret_cast<LPCREATESTRUCT>(lParam);
SetWindowLongPtr(hWnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(pCreateStruct->lpCreateParams));
}
return 0;
case WM_PAINT:
if (pSample)
{
pSample->OnUpdate();
pSample->OnRender();
}
return 0;
case WM_SIZE:
if (pSample)
{
RECT clientRect = {};
GetClientRect(hWnd, &clientRect);
pSample->OnSizeChanged(clientRect.right - clientRect.left, clientRect.bottom - clientRect.top, wParam == SIZE_MINIMIZED);
}
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
// Handle any messages the switch statement didn't.
return DefWindowProc(hWnd, message, wParam, lParam);
}
// Main message handler for the sample.
LRESULT CALLBACK Win32Application::WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
DXSample* pSample = reinterpret_cast<DXSample*>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
switch (message)
{
case WM_CREATE:
{
// Save the DXSample* passed in to CreateWindow.
LPCREATESTRUCT pCreateStruct = reinterpret_cast<LPCREATESTRUCT>(lParam);
SetWindowLongPtr(hWnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(pCreateStruct->lpCreateParams));
}
return 0;
case WM_KEYDOWN:
if (pSample)
{
pSample->OnKeyDown(static_cast<UINT8>(wParam));
}
return 0;
case WM_KEYUP:
if (pSample)
{
pSample->OnKeyUp(static_cast<UINT8>(wParam));
}
return 0;
case WM_SYSKEYDOWN:
// Handle ALT+ENTER:
if ((wParam == VK_RETURN) && (lParam & (1 << 29)))
{
if (pSample && pSample->GetDeviceResources()->IsTearingSupported())
{
ToggleFullscreenWindow(pSample->GetSwapchain());
return 0;
}
}
// Send all other WM_SYSKEYDOWN messages to the default WndProc.
break;
case WM_PAINT:
if (pSample)
{
pSample->OnUpdate();
pSample->OnRender();
}
return 0;
case WM_SIZE:
if (pSample)
{
RECT windowRect = {};
GetWindowRect(hWnd, &windowRect);
pSample->SetWindowBounds(windowRect.left, windowRect.top, windowRect.right, windowRect.bottom);
RECT clientRect = {};
GetClientRect(hWnd, &clientRect);
pSample->OnSizeChanged(clientRect.right - clientRect.left, clientRect.bottom - clientRect.top, wParam == SIZE_MINIMIZED);
}
return 0;
case WM_MOVE:
if (pSample)
{
RECT windowRect = {};
GetWindowRect(hWnd, &windowRect);
pSample->SetWindowBounds(windowRect.left, windowRect.top, windowRect.right, windowRect.bottom);
int xPos = (int)(short)LOWORD(lParam);
int yPos = (int)(short)HIWORD(lParam);
pSample->OnWindowMoved(xPos, yPos);
}
return 0;
case WM_DISPLAYCHANGE:
if (pSample)
{
pSample->OnDisplayChanged();
}
return 0;
case WM_MOUSEMOVE:
if (pSample && static_cast<UINT8>(wParam) == MK_LBUTTON)
{
UINT x = LOWORD(lParam);
UINT y = HIWORD(lParam);
pSample->OnMouseMove(x, y);
}
return 0;
case WM_LBUTTONDOWN:
{
UINT x = LOWORD(lParam);
UINT y = HIWORD(lParam);
pSample->OnLeftButtonDown(x, y);
}
return 0;
case WM_LBUTTONUP:
{
UINT x = LOWORD(lParam);
UINT y = HIWORD(lParam);
pSample->OnLeftButtonUp(x, y);
}
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
// Handle any messages the switch statement didn't.
return DefWindowProc(hWnd, message, wParam, lParam);
}