153 lines
3.8 KiB
C++
153 lines
3.8 KiB
C++
// Tetris.cpp : 程序入口、窗口初始化与消息处理
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#include "stdafx.h"
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#include "Tetris.h"
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#define MAX_LOADSTRING 100
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HINSTANCE hInst;
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TCHAR szTitle[MAX_LOADSTRING];
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TCHAR szWindowClass[MAX_LOADSTRING];
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ATOM MyRegisterClass(HINSTANCE hInstance);
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BOOL InitInstance(HINSTANCE, int);
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LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
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INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
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int APIENTRY _tWinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPTSTR lpCmdLine,
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int nCmdShow)
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{
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UNREFERENCED_PARAMETER(hPrevInstance);
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UNREFERENCED_PARAMETER(lpCmdLine);
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// TODO(作业1): 补全 Win32 程序入口函数。
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LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
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LoadString(hInstance, IDC_TETRIS, szWindowClass, MAX_LOADSTRING);
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MyRegisterClass(hInstance);
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if (!InitInstance(hInstance, nCmdShow))
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{
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return FALSE;
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}
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HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_TETRIS));
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MSG msg;
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while (GetMessage(&msg, nullptr, 0, 0))
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{
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if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
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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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return (int)msg.wParam;
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}
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ATOM MyRegisterClass(HINSTANCE hInstance)
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{
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// TODO(作业2): 注册窗口类。
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UNREFERENCED_PARAMETER(hInstance);
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WNDCLASSEX wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = WndProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_TETRIS));
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wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
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wcex.lpszMenuName = MAKEINTRESOURCE(IDC_TETRIS);
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wcex.lpszClassName = szWindowClass;
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wcex.hIconSm = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_SMALL));
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return RegisterClassEx(&wcex);
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}
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BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
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{
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// TODO(作业3): 创建并显示主窗口。
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RECT rect = { 0, 0, GRID * nWidth, GRID * nHeight };
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AdjustWindowRect(&rect, WS_OVERLAPPEDWINDOW, TRUE);
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hInst = hInstance;
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HWND hWnd = CreateWindow(
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szWindowClass,
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szTitle,
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT,
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0,
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rect.right - rect.left,
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rect.bottom - rect.top,
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nullptr,
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nullptr,
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hInstance,
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nullptr);
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if (!hWnd)
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{
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return FALSE;
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}
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ShowWindow(hWnd, nCmdShow);
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UpdateWindow(hWnd);
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return TRUE;
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}
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LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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// TODO(作业4): 补全主窗口消息处理函数。
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switch (message)
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{
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case WM_COMMAND:
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{
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int wmId = LOWORD(wParam);
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switch (wmId)
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{
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case IDM_ABOUT:
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DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
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break;
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case IDM_EXIT:
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DestroyWindow(hWnd);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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}
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break;
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint(hWnd, &ps);
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TDrawScreen(hdc, hWnd);
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EndPaint(hWnd, &ps);
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}
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
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{
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UNREFERENCED_PARAMETER(lParam);
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// TODO(作业5): 补全“关于”对话框的消息处理。
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UNREFERENCED_PARAMETER(hDlg);
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UNREFERENCED_PARAMETER(message);
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UNREFERENCED_PARAMETER(wParam);
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return (INT_PTR)FALSE;
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}
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