main.cpp

// main.cpp
#include "PolynomialGUI.h"
#include "framework.h"
#include "homework.h"

#define MAX_LOADSTRING 100

// 全局变量
HINSTANCE hInst;
WCHAR szTitle[MAX_LOADSTRING];
WCHAR szWindowClass[MAX_LOADSTRING];
PolynomialGUI* g_polyGUI = nullptr;

// 函数声明
ATOM MyRegisterClass(HINSTANCE hInstance);

// 窗口过程函数
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
    if (g_polyGUI && g_polyGUI->getHandle() == hWnd) {
        return g_polyGUI->handleMessage(message, wParam, lParam);
    }
    return DefWindowProc(hWnd, message, wParam, lParam);
}

int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
    _In_opt_ HINSTANCE hPrevInstance,
    _In_ LPWSTR    lpCmdLine,
    _In_ int       nCmdShow) {
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

    // 初始化全局字符串
    LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadStringW(hInstance, IDC_HOMEWORK, szWindowClass, MAX_LOADSTRING);

    // 保存实例句柄
    hInst = hInstance;

    // 注册窗口类
    WNDCLASSEXW wcex;
    wcex.cbSize = sizeof(WNDCLASSEX);
    wcex.style = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc = WndProc;
    wcex.cbClsExtra = 0;
    wcex.cbWndExtra = 0;
    wcex.hInstance = hInstance;
    wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_HOMEWORK));
    wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
    wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_HOMEWORK);
    wcex.lpszClassName = szWindowClass;
    wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    RegisterClassExW(&wcex);

    // 创建GUI对象
    g_polyGUI = new PolynomialGUI(hInstance);

    // 执行应用程序初始化
    if (!g_polyGUI->createWindow(nCmdShow)) {
        delete g_polyGUI;
        return FALSE;
    }

    // 主消息循环
    HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_HOMEWORK));
    MSG msg;

    while (GetMessage(&msg, nullptr, 0, 0)) {
        if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    delete g_polyGUI;
    return (int)msg.wParam;
}