/*-------------------------------------------------------------------------
* drawElements Quality Program Tester Core
* ----------------------------------------
*
* Copyright 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Generic Win32 window class.
*//*--------------------------------------------------------------------*/
#include "tcuWin32Window.hpp"
namespace tcu
{
namespace win32
{
static LRESULT CALLBACK windowProcCallback (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
Window* window = reinterpret_cast<Window*>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
if (window)
return window->windowProc(uMsg, wParam, lParam);
else
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
Window::Window (HINSTANCE instance, int width, int height)
: m_window (DE_NULL)
{
try
{
static const char s_className[] = "dEQP Test Process Class";
static const char s_windowName[] = "dEQP Test Process";
{
WNDCLASS wndClass;
memset(&wndClass, 0, sizeof(wndClass));
wndClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wndClass.lpfnWndProc = windowProcCallback;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.hInstance = instance;
wndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndClass.hbrBackground = CreateSolidBrush(RGB(0, 0, 0));
wndClass.lpszMenuName = NULL;
wndClass.lpszClassName = s_className;
RegisterClass(&wndClass);
}
m_window = CreateWindow(s_className, s_windowName,
WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
width, height,
NULL, NULL, instance, NULL);
if (!m_window)
TCU_THROW(ResourceError, "Failed to create Win32 window");
// Store this as userdata
SetWindowLongPtr(m_window, GWLP_USERDATA, (LONG_PTR)this);
setSize(width, height);
}
catch (...)
{
if (m_window)
DestroyWindow(m_window);
throw;
}
}
Window::~Window (void)
{
if (m_window)
{
// Clear this pointer from windowproc
SetWindowLongPtr(m_window, GWLP_USERDATA, 0);
}
DestroyWindow(m_window);
}
void Window::setVisible (bool visible)
{
ShowWindow(m_window, visible ? SW_SHOW : SW_HIDE);
}
void Window::setSize (int width, int height)
{
RECT rc;
rc.left = 0;
rc.top = 0;
rc.right = width;
rc.bottom = height;
if (!AdjustWindowRect(&rc, GetWindowLong(m_window, GWL_STYLE), GetMenu(m_window) != NULL))
TCU_THROW(TestError, "AdjustWindowRect() failed");
if (!SetWindowPos(m_window, NULL, 0, 0,
rc.right - rc.left, rc.bottom - rc.top,
SWP_NOACTIVATE | SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOZORDER))
TCU_THROW(TestError, "SetWindowPos() failed");
}
IVec2 Window::getSize (void) const
{
RECT rc;
if (!GetClientRect(m_window, &rc))
TCU_THROW(TestError, "GetClientRect() failed");
return IVec2(rc.right - rc.left,
rc.bottom - rc.top);
}
void Window::processEvents (void)
{
MSG msg;
while (PeekMessage(&msg, m_window, 0, 0, PM_REMOVE))
DispatchMessage(&msg);
}
LRESULT Window::windowProc (UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
// \todo [2014-03-12 pyry] Handle WM_SIZE?
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_KEYDOWN:
if (wParam == VK_ESCAPE)
{
PostQuitMessage(0);
return 0;
}
// fall-through
default:
return DefWindowProc(m_window, uMsg, wParam, lParam);
}
}
} // win32
} // tcu