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标题: code [打印本页]

作者: admin 时间: 2019-9-16 19:34
标题: code
[attach]152[/attach]

//============================================================================
// Name       : ai_note.cpp
// Author    : asysbang@163.com
// Version    :
// Copyright : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include "ai_note.h"

using namespace std;

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) {
      HWND hwnd;
      MSG msg;
      WNDCLASS wndclass;
      HBITMAP bi = LoadBitmap(hInstance, "icon.png");
      BITMAP bmp;
      GetObject(bi,sizeof(BITMAP),(LPVOID)&bmp);
      cout << "====" <<bmp.bmWidth<<endl;
      int ID_ICON;
      MAKEINTRESOURCE(ID_ICON);
      HICON ion = LoadIcon(hInstance, "icon.png");

      wndclass.style = CS_HREDRAW | CS_VREDRAW | ES_CENTER;                      //窗口样式
      wndclass.lpfnWndProc = WndProc;                                     //窗口的回调函数
      wndclass.hInstance = hInstance;                                  //窗口实例句柄
      wndclass.cbClsExtra = 0;                                           //窗口结构体扩展：无
      wndclass.cbWndExtra = 0;                                           //窗口实例扩展：无
      wndclass.hbrBackground = (HBRUSH) GetStockObject( WHITE_BRUSH); //窗口背景
      wndclass.hIcon = NULL;    //窗口图标
      wndclass.hCursor = LoadCursor( NULL, IDC_ARROW);             //窗口中的鼠标样式
      wndclass.lpszClassName = mainWindowName;                                  //窗口结构体名称
      wndclass.lpszMenuName = NULL;                                     //主菜单名称：无

      /* 注册窗口结构体 */
      if (!RegisterClass(&wndclass)) {
            MessageBox( NULL, TEXT("无法注册窗口结构体！"), TEXT("错误"), MB_OK | MB_ICONERROR);
            return 0;
      }
      int scrWidth = GetSystemMetrics(SM_CXSCREEN);
      int scrHeight = GetSystemMetrics(SM_CYSCREEN);
      int winLeft = (scrWidth - mainWindowWidth) / 2;
      int winTop = (scrHeight - mainWindowHeight) / 2;
      /* 创建Login窗口 */
      hwnd =
                     CreateWindow ( mainWindowName, mainWindowName, WS_OVERLAPPEDWINDOW , winLeft, winTop, mainWindowWidth, mainWindowHeight, NULL, NULL, hInstance, NULL );
      /* 显示与更新窗口 */
      ShowWindow(hwnd, iCmdShow);
      UpdateWindow(hwnd);

      /* 从消息队列中获取消息 */
      while ( GetMessage(&msg, NULL, 0, 0)) {
            TranslateMessage(&msg);    //将虚拟键消息转换为字符消息
            DispatchMessage(&msg);    //将消息传递给回调函数处理
      }

      return msg.wParam;
      return 0;
}

/* 回调函数 */
LRESULT CALLBACK WndProc(HWND hwnd, UINT umsg, WPARAM wParam, LPARAM lParam) {
      static HWND hChild[2];
      HDC hdc;
      PAINTSTRUCT ps;
      RECT rect;

      static int cxChar, cyChar;

      switch (umsg) {
      case WM_CREATE:          //处理窗口创建成功后发来的消息
            /* 创建窗口控件 */
            CreateChildWindow(hwnd, hChild, lParam);

            cxChar = LOWORD(GetDialogBaseUnits()); //获得窗口中内定字体字元宽度（低字组）
            cyChar = HIWORD(GetDialogBaseUnits()); //或得窗口中内定字体字元高度（高字组）
            return 0;

      case WM_SIZE:             //处理窗口尺寸发生改变后发来的消息
            GetClientRect(hwnd, &rect);
            MoveWindow(hChild[ ID_UserName], rect.left + cxChar * 12, 110, cxChar * 24, cyChar * 5 / 4, TRUE);
            MoveWindow(hChild[ ID_Password], rect.left + cxChar * 12, 160, cxChar * 24, cyChar * 5 / 4, TRUE);
            MoveWindow(hChild[ ID_btnLogin], rect.left + cxChar * 12, 210, cxChar * 12, cyChar * 7 / 4, TRUE);
            return 0;

      case WM_PAINT:          //处理窗口产生无效区域时发来的消息
            GetClientRect(hwnd, &rect);
            hdc = BeginPaint(hwnd, &ps);
            TextOut(hdc, rect.left + cxChar * 12, 95, TEXT("UserName:"), lstrlen(TEXT("UserName:")));
            TextOut(hdc, rect.left + cxChar * 12, 145, TEXT("Password:"), lstrlen(TEXT("Password:")));
            EndPaint(hwnd, &ps);
            return 0;

      case WM_DESTROY:          //处理窗口关闭时发来的消息
            PostQuitMessage(0);
            return 0;
      }

      return DefWindowProc(hwnd, umsg, wParam, lParam);
}

/* 创建控件 */
int CreateChildWindow(HWND hwnd, HWND * hChild, LPARAM lParam) {
      HINSTANCE hInst = ((LPCREATESTRUCT) lParam)->hInstance;

      /* 创建UserName文本框 */
      hChild[ ID_UserName] = CreateWindow ( TEXT ("edit"), NULL,
                     WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT,
                     0, 0, 0 , 0,
                     hwnd, ( HMENU ) ID_UserName, hInst, NULL );

      /* 创建Password文本框 */
      hChild[ ID_Password] = CreateWindow ( TEXT ("edit"), NULL,
                     WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT,
                     0, 0, 0, 0,
                     hwnd, ( HMENU ) ID_Password, hInst, NULL );

      /* 创建Login按钮 */
      hChild[ ID_btnLogin] = CreateWindow ( TEXT ("button"), TEXT ("Login"),
                     WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | BS_CENTER,
                     0, 0, 0, 0,
                     hwnd, ( HMENU ) ID_btnLogin, hInst, NULL );

      return 0;
}

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