Magic_Game/core/Base/Window.cpp

#include "..\e2dbase.h"
#include "..\e2dmanager.h"
#include <imm.h>
#pragma comment (lib ,"imm32.lib")

// <20><><EFBFBD>ھ<EFBFBD><DABE><EFBFBD>
static HWND s_HWnd = nullptr;


bool e2d::Window::__init()
{
	// ע<>ᴰ<EFBFBD><E1B4B0><EFBFBD><EFBFBD>
	WNDCLASSEX wcex = { 0 };
	wcex.cbSize = sizeof(WNDCLASSEX);
	wcex.lpszClassName = L"Easy2DApp";
	wcex.hIcon = nullptr;
	wcex.style = CS_HREDRAW | CS_VREDRAW;
	wcex.lpfnWndProc = Window::WndProc;
	wcex.cbClsExtra = 0;
	wcex.cbWndExtra = sizeof(LONG_PTR);
	wcex.hInstance = HINST_THISCOMPONENT;
	wcex.hbrBackground = nullptr;
	wcex.lpszMenuName = nullptr;
	wcex.hCursor = ::LoadCursor(nullptr, IDC_ARROW);

	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 = Renderer::getDpiScaleX();
	float dpiY = Renderer::getDpiScaleY();

	int nWidth = static_cast<int>(ceil(640 * dpiX / 96.f));
	int nHeight = static_cast<int>(ceil(480 * dpiY / 96.f));

	// <20><><EFBFBD>㴰<EFBFBD>ڴ<EFBFBD>С
	DWORD dwStyle = WS_OVERLAPPEDWINDOW &~ WS_MAXIMIZEBOX &~ WS_THICKFRAME;
	RECT wr = { 0, 0, static_cast<LONG>(nWidth), static_cast<LONG>(nHeight) };
	::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
	// <20><>ȡ<EFBFBD>µĿ<C2B5><C4BF><EFBFBD>
	nWidth = static_cast<int>(wr.right - wr.left);
	nHeight = static_cast<int>(wr.bottom - wr.top);

	// <20><>ȡ<EFBFBD><C8A1>Ļ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>
	int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
	int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	s_HWnd = ::CreateWindowEx(
		NULL,
		L"Easy2DApp",
		L"Easy2D Game",
		dwStyle,
		(screenWidth - nWidth) / 2, (screenHeight - nHeight) / 2, 
		nWidth, nHeight,
		nullptr,
		nullptr,
		HINST_THISCOMPONENT,
		nullptr
	);

	HRESULT hr = s_HWnd ? S_OK : E_FAIL;

	if (SUCCEEDED(hr))
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷨
		Window::setTypewritingEnable(false);
		// <20><><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD>̨<EFBFBD>رհ<D8B1>ť
		HWND consoleHWnd = ::GetConsoleWindow();
		if (consoleHWnd)
		{
			HMENU hmenu = ::GetSystemMenu(consoleHWnd, FALSE);
			::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
		}
	}
	else
	{
		::UnregisterClass(L"Easy2DApp", HINST_THISCOMPONENT);
	}

	if (FAILED(hr))
	{
		Window::error(L"Create Window Failed!");
	}

	return SUCCEEDED(hr);
}

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

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

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

double e2d::Window::getWidth()
{
	if (s_HWnd)
	{
		// <20><>ȡ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>С
		tagRECT rcClient;
		::GetClientRect(s_HWnd, &rcClient);
		return rcClient.right - rcClient.left;
	}
	return 0;
}

double e2d::Window::getHeight()
{
	if (s_HWnd)
	{
		// <20><>ȡ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>С
		tagRECT rcClient;
		::GetClientRect(s_HWnd, &rcClient);
		return rcClient.bottom - rcClient.top;
	}
	return 0;
}

e2d::Size e2d::Window::getSize()
{
	if (s_HWnd)
	{
		// <20><>ȡ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>С
		tagRECT rcClient;
		::GetClientRect(s_HWnd, &rcClient);
		return Size(rcClient.right - rcClient.left, rcClient.bottom - rcClient.top);
	}
	return Size();
}

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

void e2d::Window::setSize(int width, int height)
{
	// <20><><EFBFBD>㴰<EFBFBD>ڴ<EFBFBD>С
	DWORD dwStyle = WS_OVERLAPPEDWINDOW &~ WS_MAXIMIZEBOX &~ WS_THICKFRAME;
	RECT wr = { 0, 0, static_cast<LONG>(width), static_cast<LONG>(height) };
	::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
	// <20><>ȡ<EFBFBD>µĿ<C2B5><C4BF><EFBFBD>
	width = static_cast<int>(wr.right - wr.left);
	height = static_cast<int>(wr.bottom - wr.top);
	// <20><>ȡ<EFBFBD><C8A1>Ļ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>
	int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
	int screenHeight = ::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 < width || screenHeight < height, "The window is larger than screen!");
	// ȡ<><C8A1>Сֵ
	width = min(width, screenWidth);
	height = min(height, screenHeight);
	// <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, (LPCWSTR)title);
}

void e2d::Window::setIcon(int iconID)
{
	HINSTANCE hInstance = ::GetModuleHandle(nullptr);
	HICON hIcon = (HICON)::LoadImage(hInstance, MAKEINTRESOURCE(iconID), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
	// <20><><EFBFBD>ô<EFBFBD><C3B4>ڵ<EFBFBD>ͼ<EFBFBD><CDBC>
	::SendMessage(s_HWnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
	::SendMessage(s_HWnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
}

void e2d::Window::setCursor(Cursor cursor)
{
	LPCWSTR pCursorName = nullptr;
	switch (cursor)
	{
	case Cursor::Normal:
		pCursorName = IDC_ARROW;
		break;

	case Cursor::Hand:
		pCursorName = IDC_HAND;
		break;

	case Cursor::No:
		pCursorName = IDC_NO;
		break;

	case Cursor::Wait:
		pCursorName = IDC_WAIT;
		break;

	case Cursor::ArrowWait:
		pCursorName = IDC_APPSTARTING;
		break;

	default:
		break;
	}

	HCURSOR hCursor = ::LoadCursor(nullptr, pCursorName);
	::SetCursor(hCursor);
}

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)
{
	// <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
			{
				Window::error(L"Alloc Console Failed!");
			}
		}
	}
	else 
	{
		if (hwnd)
		{
			::ShowWindow(hwnd, SW_HIDE);
		}
	}
}

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

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

void e2d::Window::info(const String & text, const String & title)
{
	::MessageBox(s_HWnd, (LPCWSTR)text, (LPCWSTR)title, MB_ICONINFORMATION | MB_OK);
	Game::reset();
}

void e2d::Window::warning(const String& title, const String& text)
{
	::MessageBox(s_HWnd, (LPCWSTR)text, (LPCWSTR)title, MB_ICONWARNING | MB_OK);
	Game::reset();
}

void e2d::Window::error(const String & text, const String & title)
{
	::MessageBox(s_HWnd, (LPCWSTR)text, (LPCWSTR)title, MB_ICONERROR | MB_OK);
	Game::reset();
}


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

	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>
		auto pRT = Renderer::getRenderTarget();
		if (pRT) pRT->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, nullptr, FALSE);
	}
	result = 0;
	hasHandled = true;
	break;

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

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

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
	case WM_DESTROY:
	{
		PostQuitMessage(0);
	}
	result = 1;
	hasHandled = true;
	break;

	}

	if (!hasHandled)
	{
		result = DefWindowProc(hWnd, message, wParam, lParam);
	}

	return result;
}