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// day005.cpp : 定义应用程序的入口点。
//

#include "stdafx.h"
#include "day005.h"
#include<stdio.h>
#include"resource.h"

#include  <CommCtrl.h>
#include  <windowsx.h>
#pragma comment(lib, "Comctl32.lib")
#define MAX_LOADSTRING 100
// 全局变量: 
HINSTANCE hInst;                                // 当前实例
TCHAR szTitle[MAX_LOADSTRING];                    // 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING];            // 主窗口类名
HWND hWnd;
// 此代码模块中包含的函数的前向声明: 
//ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
INT_PTR CALLBACK WndProc(
    _In_  HWND hWnd,
    _In_  UINT uMsg,
    _In_  WPARAM wParam,
    _In_  LPARAM lParam
    );

int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,
                     _In_opt_ HINSTANCE hPrevInstance,
                     _In_ LPTSTR    lpCmdLine,
                     _In_ int       nCmdShow)
{
    UNREFERENCED_PARAMETER(hPrevInstance);
    UNREFERENCED_PARAMETER(lpCmdLine);

     // TODO:  在此放置代码。
    MSG msg;


    // 初始化全局字符串
    LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadString(hInstance, IDC_DAY005, szWindowClass, MAX_LOADSTRING);
    //MyRegisterClass(hInstance);

    // 执行应用程序初始化: 
    if (!InitInstance (hInstance, nCmdShow))
    {
        return FALSE;
    }

    

    // 主消息循环: 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        if (!IsDialogMessage(hWnd, &msg)){
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }

    return (int) msg.wParam;
}



//
//  函数:  MyRegisterClass()
//
//  目的:  注册窗口类。
//
//ATOM MyRegisterClass(HINSTANCE hInstance)
//{
//    WNDCLASSEX 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_DAY005));
//    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
//    wcex.hbrBackground    = (HBRUSH)(COLOR_WINDOW+1);
//    wcex.lpszMenuName    = MAKEINTRESOURCE(IDC_DAY005);
//    wcex.lpszClassName    = szWindowClass;
//    wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
//
//    return RegisterClassEx(&wcex);
//}

//
//   函数:  InitInstance(HINSTANCE, int)
//
//   目的:  保存实例句柄并创建主窗口
//
//   注释: 
//
//        在此函数中，我们在全局变量中保存实例句柄并
//        创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
  

   hInst = hInstance; // 将实例句柄存储在全局变量中

   hWnd = CreateDialog(hInst, MAKEINTRESOURCE(IDD_DIALOG1), NULL,WndProc);

   if (!hWnd)
   {
      return FALSE;
   }

   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}

//
//  函数:  WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  目的:    处理主窗口的消息。
//
//  WM_COMMAND    - 处理应用程序菜单
//  WM_PAINT    - 绘制主窗口
//  WM_DESTROY    - 发送退出消息并返回
//
//
INT_PTR CALLBACK WndProc(
    _In_  HWND hWnd,
    _In_  UINT uMsg,
    _In_  WPARAM wParam,
    _In_  LPARAM lParam
    )
{
    int wmId, wmEvent;
    PAINTSTRUCT ps;
    HDC hdc;

    switch (uMsg)
    {
    case WM_INITDIALOG:{

        HWND hList = GetDlgItem(hWnd, IDC_LIST1);
        RECT rt = {};
        GetClientRect(hList, &rt);
        LVCOLUMN  lc;
        lc.mask = LVCF_WIDTH | LVCF_TEXT;
        lc.pszText = TEXT("盘符");
        /*lc.cx = (rt.right - rt.left) / 6;
        lc.cchTextMax = 3;*/
        lc.cx = 90;
        ListView_InsertColumn(hList, 0, &lc);
        lc.pszText = TEXT("标题");
        lc.cx = 120;
        ListView_InsertColumn(hList, 1, &lc);
        lc.pszText = TEXT("文件系统");
        lc.cx = 100;
        ListView_InsertColumn(hList, 2, &lc);
        lc.pszText = TEXT("总空间");
        lc.cx = 150;
        ListView_InsertColumn(hList, 3, &lc);
        lc.pszText = TEXT("可用空间");
        lc.cx = 120;
        ListView_InsertColumn(hList, 4, &lc);
        lc.pszText = TEXT("描述");
        lc.cx = 250;
        ListView_InsertColumn(hList, 5, &lc);
        //插入多行

        

        TCHAR  buf[100] = {};
        //获取所有的盘符
        GetLogicalDriveStrings(100, buf);
        TCHAR* pDirve = buf;
        UINT  nType = 0;

        DWORD  每簇的扇区数量 = 0;
        DWORD  每个扇区的容量 = 0;
        DWORD  空闲簇的总量 = 0;
        DWORD  所有簇的数量 = 0;
        int memoryCount = 0;

        while (*pDirve != 0){
        
        TCHAR bufTemp[10] = {};
        TCHAR bufTempDeadLine[100] = {};
        TCHAR bufTempFileSystem[100] = {};
        TCHAR bufTempTatalSpace[30] = {};
        TCHAR bufTempAvailableSpace[30] = {};
        TCHAR bufTempScrible[50] = {};
            
    //    _stprintf_s(bufTemp, TEXT("%s"), buf);


        GetVolumeInformation(TEXT("C"), bufTempDeadLine, 20, NULL, NULL,NULL,NULL,NULL);


        LVITEM  li = {};
        li.iItem = memoryCount;
        ListView_InsertItem(hList, &li);
        ListView_InsertItem(hList, &li);
        ListView_InsertItem(hList, &li);
        ListView_SetItemText(hList, memoryCount, 0,pDirve);
        GetVolumeInformation(pDirve,
            bufTempDeadLine,
            100, 0, 0, 0,
            bufTempFileSystem,
            100);
        ListView_SetItemText(hList, memoryCount, 1, bufTempDeadLine);
        ListView_SetItemText(hList, memoryCount, 2, bufTempFileSystem);
        GetDiskFreeSpace(pDirve,
            &每簇的扇区数量,
            &每个扇区的容量,
            &空闲簇的总量,
            &所有簇的数量);
    
        _stprintf_s(bufTempTatalSpace, 30, _T("%.2f %s"), 所有簇的数量*((每簇的扇区数量*每个扇区的容量 / 1024.0) / 1024.0 / 1024.0), TEXT("GB"));
        ListView_SetItemText(hList, memoryCount, 3, bufTempTatalSpace);
        //可用空间
    
        _stprintf_s(bufTempAvailableSpace, 30, _T("%.2f %s"), 空闲簇的总量*((每簇的扇区数量*每个扇区的容量 / 1024.0) / 1024.0 / 1024.0), TEXT( "GB"));
        ListView_SetItemText(hList, memoryCount, 4, bufTempAvailableSpace);
        //描述
        nType = GetDriveType(pDirve);
        switch (nType)
        {
        case DRIVE_UNKNOWN:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("无法识别的设备"));
            break;
        case DRIVE_NO_ROOT_DIR:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("逻辑磁盘不存在"));
            break;
        case DRIVE_REMOVABLE:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("可移除的驱动器"));
            break;
        case DRIVE_FIXED:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("不可移除的驱动器"));
            break;
        case DRIVE_REMOTE:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("不可移设备"));
            break;
        case DRIVE_CDROM:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("CD_ROM驱动器"));
            break;
        case DRIVE_RAMDISK:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("虚拟盘"));
            break;
        default:
            ListView_SetItemText(hList, memoryCount, 5, TEXT("其它类型"));
            break;
        }
        //GetDiskFreeSpace(pDirve,
        //    &每簇的扇区数量,
        //    &每个扇区的容量,
        //    &空闲簇的总量,
        //    &所有簇的数量);
        //printf("总容量:%.2f,空闲量:%.2f",
        //    所有簇的数量*((每簇的扇区数量*每个扇区的容量 / 1024.0) / 1024.0 / 1024.0),
        //    空闲簇的总量*((每簇的扇区数量*每个扇区的容量 / 1024.0) / 1024.0 / 1024.0));

        pDirve += _tcsclen(pDirve);
        pDirve++;
        memoryCount++;
        }
        /*ListView_SetItemText(hList, 0, 1, TEXT("系统"));
        ListView_SetItemText(hList, 0, 2, TEXT("NTFS"));
        ListView_SetItemText(hList, 0, 3, TEXT("70G"));*/
    }break;
    case WM_COMMAND:
        wmId    = LOWORD(wParam);
        wmEvent = HIWORD(wParam);
        // 分析菜单选择: 
        switch (wmId)
        {
        
        case IDM_EXIT:
            DestroyWindow(hWnd);
            break;
        default:
            return DefWindowProc(hWnd, uMsg, wParam, lParam);
        }
        break;
    case WM_PAINT:
        hdc = BeginPaint(hWnd, &ps);
        // TODO:  在此添加任意绘图代码...
        EndPaint(hWnd, &ps);
        break;
    case WM_CLOSE:
        DestroyWindow(hWnd);
        PostQuitMessage(0);
        break;
    default:
        break;
    }
    return 0;
}