Magic_Game/core/Base/Window.cpp

#include "..\ebase.h"
#include "..\emanagers.h"
#include <imm.h>
#pragma comment (lib ,"imm32.lib")

// <20><><EFBFBD>ھ<EFBFBD><DABE><EFBFBD>
static HWND s_HWnd = nullptr;
// <20>Ƿ<EFBFBD><C7B7>򿪿<EFBFBD><F2BFAABF><EFBFBD>̨
static bool s_bShowConsole = false;


bool e2d::Window::__init(const String & sTitle, UINT32 nWidth, UINT32 nHeight, LPCTSTR pIconID /*= nullptr*/)
{
	if (!Window::__initMutex(sTitle))
	{
		return false;
	}

	// ע<>ᴰ<EFBFBD><E1B4B0><EFBFBD><EFBFBD>
	WNDCLASSEX wcex = { 0 };
	wcex.cbSize = sizeof(WNDCLASSEX);
	wcex.style = CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc = Window::WndProc;
	wcex.cbClsExtra = 0;
	wcex.cbWndExtra = sizeof(LONG_PTR);
	wcex.hInstance = HINST_THISCOMPONENT;
	wcex.hbrBackground = NULL;
	wcex.lpszMenuName = NULL;
	wcex.hCursor = LoadCursor(NULL, IDI_APPLICATION);
	wcex.lpszClassName = L"Easy2DApp";
	// <20><><EFBFBD>ó<EFBFBD><C3B3><EFBFBD>ͼ<EFBFBD><CDBC>
	if (pIconID)
	{
		wcex.hIcon = (HICON)::LoadImage(
			GetModuleHandle(NULL),
			pIconID,
			IMAGE_ICON,
			0,
			0,
			LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
	}

	RegisterClassEx(&wcex);

	// <20><>Ϊ CreateWindow <20><><EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ش<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD>ȡϵͳ<CFB5><CDB3> DPI <20><>ʹ<EFBFBD><CAB9>
	// <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	float dpiX, dpiY;

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD>ǰ<EFBFBD><C7B0>ϵͳ DPI<50><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵҲ<D6B5><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	Renderer::getID2D1Factory()->GetDesktopDpi(&dpiX, &dpiY);

	nWidth = static_cast<UINT>(ceil(nWidth * dpiX / 96.f));
	nHeight = static_cast<UINT>(ceil(nHeight * dpiY / 96.f));

	// <20><>ȡ<EFBFBD><C8A1>Ļ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>
	UINT screenWidth = static_cast<UINT>(::GetSystemMetrics(SM_CXSCREEN));
	UINT screenHeight = static_cast<UINT>(::GetSystemMetrics(SM_CYSCREEN));
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4>ڴ<EFBFBD>С<EFBFBD>ȷֱ<C8B7><D6B1>ʴ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	WARN_IF(screenWidth < nWidth || screenHeight < nHeight, "The window is larger than screen!");
	// ȡ<><C8A1>Сֵ
	nWidth = min(nWidth, screenWidth);
	nHeight = min(nHeight, screenHeight);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	s_HWnd = CreateWindow(
		L"Easy2DApp",
		sTitle,
		WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX,
		0, 0, nWidth, nHeight,
		NULL,
		NULL,
		HINST_THISCOMPONENT,
		NULL
	);

	HRESULT hr = s_HWnd ? S_OK : E_FAIL;

	if (SUCCEEDED(hr))
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷨
		Window::setTypewritingEnable(false);
		// <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD>̨
		HWND hwnd = ::GetConsoleWindow();
		if (hwnd)
		{
			// <20><><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>̨<EFBFBD>رհ<D8B1>ť
			HMENU hmenu = ::GetSystemMenu(hwnd, FALSE);
			::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
			// Ĭ<><C4AC><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD>̨
			if (!s_bShowConsole)
			{
				::ShowWindow(hwnd, SW_HIDE);
			}
		}
	}
	else
	{
		UnregisterClass(L"Easy2DApp", HINST_THISCOMPONENT);
	}

	if (FAILED(hr))
	{
		MessageBox(nullptr, L"Create Window Failed!", L"Error", MB_OK);
	}

	return SUCCEEDED(hr);
}

bool e2d::Window::__initMutex(const String & sTitle)
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̻<EFBFBD><CCBB><EFBFBD><EFBFBD><EFBFBD>
	HANDLE m_hMutex = ::CreateMutex(NULL, TRUE, sTitle);

	if (m_hMutex == nullptr)
	{
		WARN_IF(true, "CreateMutex Failed!");
		return true;
	}

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	if (::GetLastError() == ERROR_ALREADY_EXISTS)
	{
		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ھ<EFBFBD><DABE><EFBFBD>
		HWND hProgramWnd = ::FindWindow(L"Easy2DApp", sTitle);
		if (hProgramWnd)
		{
			// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ״̬
			WINDOWPLACEMENT wpm;
			::GetWindowPlacement(hProgramWnd, &wpm);
			// <20><><EFBFBD><EFBFBD><EFBFBD>еij<D0B5><C4B3>򴰿ڻ<F2B4B0BF>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
			wpm.showCmd = SW_SHOW;
			::SetWindowPlacement(hProgramWnd, &wpm);
			::SetWindowPos(hProgramWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
		}

		// <20>رս<D8B1><D5BD>̻<EFBFBD><CCBB><EFBFBD><EFBFBD><EFBFBD>
		CloseHandle(m_hMutex);
		m_hMutex = nullptr;
		return false;
	}

	return true;
}

void e2d::Window::__uninit()
{
	// <20>رտ<D8B1><D5BF><EFBFBD>̨
	if (::GetConsoleWindow())
	{
		::FreeConsole();
	}
	// <20>رմ<D8B1><D5B4><EFBFBD>
	DestroyWindow(s_HWnd);
	s_HWnd = nullptr;
}

void e2d::Window::__poll()
{
	static MSG msg;

	while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
	{
		::TranslateMessage(&msg);
		::DispatchMessage(&msg);
	}
}

double e2d::Window::getWidth()
{
	return Renderer::getRenderTarget()->GetSize().width;
}

double e2d::Window::getHeight()
{
	return Renderer::getRenderTarget()->GetSize().height;
}

e2d::Size e2d::Window::getSize()
{
	D2D1_SIZE_F size = Renderer::getRenderTarget()->GetSize();
	return Size(size.width, size.height);
}

HWND e2d::Window::getHWnd()
{
	return s_HWnd;
}

void e2d::Window::setSize(UINT32 width, UINT32 height)
{
	// <20><>ȡ<EFBFBD><C8A1>Ļ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>
	int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
	int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);
	// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ڴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>
	tagRECT rcWindow;
	::GetWindowRect(s_HWnd, &rcWindow);
	// <20><>ȡ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>С
	tagRECT rcClient;
	::GetClientRect(s_HWnd, &rcClient);
	// <20><><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD><DFBF><EFBFBD>С
	width += (rcWindow.right - rcWindow.left) - (rcClient.right - rcClient.left);
	height += (rcWindow.bottom - rcWindow.top) - (rcClient.bottom - rcClient.top);
	// <20>޸Ĵ<DEB8><C4B4>ڴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>
	::MoveWindow(s_HWnd, (screenWidth - width) / 2, (screenHeight - height) / 2, width, height, TRUE);
}

void e2d::Window::setTitle(const String &title)
{
	// <20><><EFBFBD>ô<EFBFBD><C3B4>ڱ<EFBFBD><DAB1><EFBFBD>
	::SetWindowText(s_HWnd, title);
}

e2d::String e2d::Window::getTitle()
{
	wchar_t wszTitle[MAX_PATH] = { 0 };
	::GetWindowText(s_HWnd, wszTitle, MAX_PATH);
	return wszTitle;
}

void e2d::Window::showConsole(bool show /* = true */)
{
	s_bShowConsole = show;
	// <20><><EFBFBD><EFBFBD><EFBFBD>Ѵ<EFBFBD><D1B4>ڵĿ<DAB5><C4BF><EFBFBD>̨<EFBFBD><CCA8><EFBFBD><EFBFBD>
	HWND hwnd = ::GetConsoleWindow();
	// <20>رտ<D8B1><D5BF><EFBFBD>̨
	if (show)
	{
		if (hwnd)
		{
			::ShowWindow(hwnd, SW_SHOWNORMAL);
		}
		else
		{
			// <20><>ʾһ<CABE><D2BB><EFBFBD>¿<EFBFBD><C2BF><EFBFBD>̨
			if (::AllocConsole())
			{
				hwnd = ::GetConsoleWindow();
				// <20>ض<EFBFBD><D8B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
				FILE * stdoutStream, * stdinStream, * stderrStream;
				freopen_s(&stdoutStream, "conout$", "w+t", stdout);
				freopen_s(&stdinStream, "conin$", "r+t", stdin);
				freopen_s(&stderrStream, "conout$", "w+t", stderr);
				// <20><><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>̨<EFBFBD>رհ<D8B1>ť
				HMENU hmenu = ::GetSystemMenu(hwnd, FALSE);
				::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
			}
			else
			{
				MessageBox(nullptr, L"Alloc Console Failed!", L"Error", MB_OK);
			}
		}
	}
	else 
	{
		if (hwnd)
		{
			::ShowWindow(hwnd, SW_HIDE);
		}
	}
}

void e2d::Window::setTypewritingEnable(bool bEnable)
{
	static HIMC hImc = nullptr;

	if (bEnable)
	{
		if (hImc != nullptr)
		{
			::ImmAssociateContext(Window::getHWnd(), hImc);
			hImc = nullptr;
		}
	}
	else
	{
		if (hImc == nullptr)
		{
			hImc = ::ImmAssociateContext(Window::getHWnd(), nullptr);
		}
	}
}


LRESULT e2d::Window::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	LRESULT result = 0;

	switch (message)
	{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>С<EFBFBD>仯<EFBFBD><E4BBAF>Ϣ
	case WM_SIZE:
	{
		UINT width = LOWORD(lParam);
		UINT height = HIWORD(lParam);
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>һ<EFBFBD><D2BB> WM_SIZE <20><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱦ
		// Ŀ<><C4BF><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><DCBB><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>п<EFBFBD><D0BF>ܵ<EFBFBD>
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD> EndDraw ʱ<><CAB1><EFBFBD><EFBFBD>
		Renderer::getRenderTarget()->Resize(D2D1::SizeU(width, height));
	}
	break;

	// <20><><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>ʱ仯<CAB1><E4BBAF>Ϣ
	case WM_DISPLAYCHANGE:
	{
		// <20>ػ<EFBFBD><D8BB>ͻ<EFBFBD><CDBB><EFBFBD>
		InvalidateRect(hWnd, NULL, FALSE);
	}
	result = 0;
	break;

	// <20>ػ洰<D8BB><E6B4B0>
	case WM_PAINT:
	{
		e2d::Renderer::__render();
		ValidateRect(hWnd, NULL);
	}
	result = 0;
	break;

	// <20><><EFBFBD>ڹر<DAB9><D8B1><EFBFBD>Ϣ
	case WM_CLOSE:
	{
		e2d::Scene * pCurrentScene = e2d::SceneManager::getCurrentScene();
		if (!pCurrentScene || pCurrentScene->onCloseWindow())
		{
			e2d::Game::quit();
			DestroyWindow(hWnd);
		}
	}
	result = 0;
	break;

	case WM_DESTROY:
	{
		PostQuitMessage(0);
	}
	result = 1;
	break;

	default:
	{
		result = DefWindowProc(hWnd, message, wParam, lParam);
	}

	}

	return result;
}