335 lines
6.8 KiB
C++
335 lines
6.8 KiB
C++
#include "..\e2dbase.h"
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#include "..\e2dmanager.h"
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#include <imm.h>
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#pragma comment (lib ,"imm32.lib")
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// 窗口句柄
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static HWND s_HWnd = nullptr;
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// 是否打开控制台
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static bool s_bShowConsole = false;
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bool e2d::Window::__init()
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{
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// 注册窗口类
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WNDCLASSEX wcex = { 0 };
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = Window::WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = sizeof(LONG_PTR);
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wcex.hInstance = HINST_THISCOMPONENT;
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wcex.hbrBackground = NULL;
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wcex.lpszMenuName = NULL;
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wcex.hCursor = LoadCursor(NULL, IDI_APPLICATION);
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wcex.lpszClassName = L"Easy2DApp";
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wcex.hIcon = NULL;
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RegisterClassEx(&wcex);
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// 因为 CreateWindow 函数使用的是像素大小，获取系统的 DPI 以使它
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// 适应窗口缩放
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float dpiX = Renderer::getDpiScaleX();
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float dpiY = Renderer::getDpiScaleY();
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UINT nWidth = static_cast<UINT>(ceil(640 * dpiX / 96.f));
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UINT nHeight = static_cast<UINT>(ceil(480 * dpiY / 96.f));
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// 获取屏幕分辨率
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UINT screenWidth = static_cast<UINT>(::GetSystemMetrics(SM_CXSCREEN));
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UINT screenHeight = static_cast<UINT>(::GetSystemMetrics(SM_CYSCREEN));
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// 当输入的窗口大小比分辨率大时，给出警告
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WARN_IF(screenWidth < nWidth || screenHeight < nHeight, "The window is larger than screen!");
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// 取最小值
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nWidth = min(nWidth, screenWidth);
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nHeight = min(nHeight, screenHeight);
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// 计算窗口大小
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DWORD dwStyle = WS_OVERLAPPEDWINDOW &~ WS_MAXIMIZEBOX &~ WS_THICKFRAME;
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RECT wr = { 0, 0, static_cast<LONG>(nWidth), static_cast<LONG>(nHeight) };
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::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
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// 获取新的宽高
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nWidth = wr.right - wr.left;
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nHeight = wr.bottom - wr.top;
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// 创建窗口
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s_HWnd = ::CreateWindowEx(
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NULL,
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L"Easy2DApp",
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L"Easy2D Game",
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dwStyle,
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(screenWidth - nWidth) / 2, (screenHeight - nHeight) / 2,
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nWidth, nHeight,
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NULL,
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NULL,
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HINST_THISCOMPONENT,
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NULL
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);
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HRESULT hr = s_HWnd ? S_OK : E_FAIL;
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if (SUCCEEDED(hr))
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{
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// 禁用输入法
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Window::setTypewritingEnable(false);
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// 查找是否存在控制台
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HWND hwnd = ::GetConsoleWindow();
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if (hwnd)
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{
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// 禁用控制台关闭按钮
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HMENU hmenu = ::GetSystemMenu(hwnd, FALSE);
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::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
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// 默认隐藏控制台
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if (!s_bShowConsole)
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{
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::ShowWindow(hwnd, SW_HIDE);
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}
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}
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}
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else
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{
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::UnregisterClass(L"Easy2DApp", HINST_THISCOMPONENT);
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}
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if (FAILED(hr))
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{
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::MessageBox(nullptr, L"Create Window Failed!", L"Error", MB_OK);
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}
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return SUCCEEDED(hr);
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}
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void e2d::Window::__uninit()
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{
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// 关闭控制台
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if (::GetConsoleWindow())
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{
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::FreeConsole();
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}
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// 关闭窗口
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if (s_HWnd)
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{
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::DestroyWindow(s_HWnd);
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s_HWnd = nullptr;
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}
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}
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void e2d::Window::__poll()
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{
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static MSG msg;
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while (::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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::TranslateMessage(&msg);
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::DispatchMessage(&msg);
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}
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}
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double e2d::Window::getWidth()
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{
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if (s_HWnd)
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{
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// 获取客户区大小
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tagRECT rcClient;
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::GetClientRect(s_HWnd, &rcClient);
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return rcClient.right - rcClient.left;
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}
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return 0;
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}
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double e2d::Window::getHeight()
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{
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if (s_HWnd)
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{
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// 获取客户区大小
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tagRECT rcClient;
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::GetClientRect(s_HWnd, &rcClient);
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return rcClient.bottom - rcClient.top;
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}
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return 0;
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}
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e2d::Size e2d::Window::getSize()
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{
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if (s_HWnd)
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{
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// 获取客户区大小
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tagRECT rcClient;
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::GetClientRect(s_HWnd, &rcClient);
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return Size(rcClient.right - rcClient.left, rcClient.bottom - rcClient.top);
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}
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return Size();
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}
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HWND e2d::Window::getHWnd()
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{
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return s_HWnd;
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}
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void e2d::Window::setSize(UINT32 width, UINT32 height)
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{
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// 计算窗口大小
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DWORD dwStyle = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX;
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RECT wr = { 0, 0, static_cast<LONG>(width), static_cast<LONG>(height) };
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::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
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// 获取新的宽高
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width = wr.right - wr.left;
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height = wr.bottom - wr.top;
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// 获取屏幕分辨率
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int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
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int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);
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// 修改窗口大小，并设置窗口在屏幕居中
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::MoveWindow(s_HWnd, (screenWidth - width) / 2, (screenHeight - height) / 2, width, height, TRUE);
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}
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void e2d::Window::setTitle(String title)
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{
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// 设置窗口标题
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::SetWindowText(s_HWnd, title);
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}
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void e2d::Window::setIcon(int pIconID)
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{
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HINSTANCE hInstance = ::GetModuleHandle(NULL);
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HICON hIcon = (HICON)::LoadImage(hInstance, MAKEINTRESOURCE(pIconID), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
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// 设置窗口的图标
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::SendMessage(s_HWnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
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::SendMessage(s_HWnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
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}
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e2d::String e2d::Window::getTitle()
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{
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wchar_t wszTitle[MAX_PATH] = { 0 };
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::GetWindowText(s_HWnd, wszTitle, MAX_PATH);
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return wszTitle;
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}
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void e2d::Window::showConsole(bool show /* = true */)
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{
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s_bShowConsole = show;
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// 查找已存在的控制台句柄
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HWND hwnd = ::GetConsoleWindow();
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// 关闭控制台
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if (show)
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{
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if (hwnd)
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{
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::ShowWindow(hwnd, SW_SHOWNORMAL);
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}
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else
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{
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// 显示一个新控制台
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if (::AllocConsole())
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{
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hwnd = ::GetConsoleWindow();
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// 重定向输入输出
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FILE * stdoutStream, * stdinStream, * stderrStream;
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freopen_s(&stdoutStream, "conout$", "w+t", stdout);
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freopen_s(&stdinStream, "conin$", "r+t", stdin);
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freopen_s(&stderrStream, "conout$", "w+t", stderr);
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// 禁用控制台关闭按钮
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HMENU hmenu = ::GetSystemMenu(hwnd, FALSE);
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::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
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}
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else
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{
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MessageBox(nullptr, L"Alloc Console Failed!", L"Error", MB_OK);
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}
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}
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}
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else
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{
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if (hwnd)
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{
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::ShowWindow(hwnd, SW_HIDE);
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}
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}
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}
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void e2d::Window::setTypewritingEnable(bool bEnable)
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{
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static HIMC hImc = nullptr;
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if (bEnable)
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{
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if (hImc != nullptr)
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{
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::ImmAssociateContext(Window::getHWnd(), hImc);
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hImc = nullptr;
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}
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}
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else
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{
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if (hImc == nullptr)
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{
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hImc = ::ImmAssociateContext(Window::getHWnd(), nullptr);
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}
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}
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}
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LRESULT e2d::Window::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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LRESULT result = 0;
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switch (message)
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{
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// 处理窗口大小变化消息
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case WM_SIZE:
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{
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UINT width = LOWORD(lParam);
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UINT height = HIWORD(lParam);
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// 如果程序接收到一个 WM_SIZE 消息，这个方法将调整渲染
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// 目标适当。它可能会调用失败，但是这里可以忽略有可能的
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// 错误，因为这个错误将在下一次调用 EndDraw 时产生
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auto pRT = Renderer::getRenderTarget();
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if (pRT) pRT->Resize(D2D1::SizeU(width, height));
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}
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break;
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// 处理分辨率变化消息
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case WM_DISPLAYCHANGE:
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{
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// 重绘客户区
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InvalidateRect(hWnd, NULL, FALSE);
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}
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result = 0;
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break;
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// 重绘窗口
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case WM_PAINT:
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{
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e2d::Renderer::__render();
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ValidateRect(hWnd, NULL);
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}
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result = 0;
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break;
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// 窗口关闭消息
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case WM_CLOSE:
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{
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e2d::Scene * pCurrentScene = e2d::SceneManager::getCurrentScene();
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if (!pCurrentScene || pCurrentScene->onCloseWindow())
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{
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e2d::Game::quit();
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}
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}
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result = 0;
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break;
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case WM_DESTROY:
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{
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PostQuitMessage(0);
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}
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result = 1;
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break;
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default:
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{
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result = DefWindowProc(hWnd, message, wParam, lParam);
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}
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}
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return result;
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} |