// Win32UI.cpp : 定义应用程序的入口点。
//

#include "stdafx.h"
#include "Win32UI.h"
#include <stdio.h>
#include <commdlg.h>
#include <CommCtrl.h>
#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 hInstBase;                                // 当前主窗口实例
HWND hInstDown;
HWND hInstSend;
HWND hInstResv;
HWND hInstProcess;                                
HWND hInstEditDst;
HWND hInstEditSrc;
HWND hwndPB;


// 此代码模块中包含的函数的前向声明: 
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
//INT_PTR CALLBACK    About(HWND, UINT, WPARAM, 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;
    //HACCEL hAccelTable;

    // 初始化全局字符串
    LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    LoadString(hInstance, IDC_WIN32UI, szWindowClass, MAX_LOADSTRING);
    MyRegisterClass(hInstance);

    ShowWindow(hInstBase, SW_SHOW);
    UpdateWindow(hInstBase);

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

    //hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WIN32UI));

    // 主消息循环: 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
//         if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
//         {
//             TranslateMessage(&msg);
//             DispatchMessage(&msg);
//         }
    }

    return (int) msg.wParam;
}



//
//  函数:  MyRegisterClass()
//
//  目的:  注册窗口类。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASS 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(NULL, IDI_APPLICATION);
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground = (HBRUSH)::GetStockObject(WHITE_BRUSH);
    wcex.lpszMenuName    = NULL;
    wcex.lpszClassName    = szWindowClass;
    //wcex.hIconSm        = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));

    return RegisterClass(&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)
{
   HWND hWnd;

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

   hWnd = CreateWindow(szWindowClass, _T("文件传输"), WS_OVERLAPPED | WS_SYSMENU,
      320, 180, 730, 250, NULL, NULL, hInstance, NULL);

   if (!hWnd)
   {
      return FALSE;
   }
   hInstBase = hWnd;

   SendMessage(hWnd, WM_CREATE, NULL, NULL);
   ShowWindow(hWnd, nCmdShow);
   UpdateWindow(hWnd);

   return TRUE;
}
DWORD WINAPI PBThreadProc(LPVOID lpParameter)
{
    //进度条 start


    ShowWindow(hwndPB, SW_SHOW);        //显示进度条

    ShowWindow(hInstProcess, SW_SHOW);  //显示百分比控件

    PBRANGE range;                        //进度条的范围


    SendMessage(hwndPB, PBM_SETRANGE,    //设置进度条的范围

        (WPARAM)0, (LPARAM)(MAKELPARAM(0, 100)));


    SendMessage(hwndPB, PBM_GETRANGE,    //获取进度条的范围

        (WPARAM)TRUE,                    //TRUE 表示返回值为范围的最小值,FALSE表示返回最大值

        (LPARAM)&range);
    //进度条 end


    //设置进度条当前值
    TCHAR sumdata[64];

    for (size_t i = 1; i <= 100; i++)
    {
        SendMessage(hwndPB, PBM_SETPOS, (WPARAM)(i), (LPARAM)0);
        swprintf(sumdata, _T("%d %%"), i);
        SetDlgItemText(hInstBase, 1002, sumdata);
        Sleep(100);
    }

    SetDlgItemText(hInstBase, 1001, _T("发送"));
    EnableWindow(hInstDown, TRUE);
    TCHAR buff[80] = _T("");

    GetWindowText(hInstEditSrc, buff, 80);

    return 0;
}

void OpenFile()
{
    OPENFILENAME opfn;
    opfn.hwndOwner = hInstBase;
    WCHAR strFilename[MAX_PATH];//存放文件名  
    //初始化  
    ZeroMemory(&opfn, sizeof(OPENFILENAME));
    opfn.lStructSize = sizeof(OPENFILENAME);//结构体大小  
    //设置过滤  
    opfn.lpstrFilter = L"文本文件\0*.txt\0";
    //默认过滤器索引设为1  
    opfn.nFilterIndex = 1;
    //文件名的字段必须先把第一个字符设为 \0  
    opfn.lpstrFile = strFilename;
    opfn.lpstrFile[0] = ‘\0‘;
    opfn.nMaxFile = sizeof(strFilename);
    //设置标志位，检查目录或文件是否存在  
    opfn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
    //opfn.lpstrInitialDir = NULL;  
    // 显示对话框让用户选择文件  
    if (GetOpenFileName(&opfn))
    {
        //在文本框中显示文件路径  
        SetWindowText(hInstEditSrc, opfn.lpstrFile);
    }
}
//
//  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
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    int wmId, wmEvent;
    //PAINTSTRUCT ps;
    //HDC hdc;

    switch (message)
    {
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    case WM_CREATE:
    {
        if (NULL == hInstBase)
        {
            break;
        }
        hInstDown = CreateWindow(_T("BUTTON"), _T("发送"), WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON, 580, 30, 100, 90, hInstBase, (HMENU)1001, NULL, NULL);
        hInstProcess = CreateWindow(_T("Static"), _T("0 %"), WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON, 580, 150, 100, 30, hInstBase, (HMENU)1002, NULL, NULL);
        hInstSend = CreateWindow(_T("BUTTON"), _T("发送文件"), WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON, 490, 30, 80, 30, hInstBase, (HMENU)1003, NULL, NULL);
        hInstResv = CreateWindow(_T("BUTTON"), _T("接收路径"), WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON, 490, 90, 80, 30, hInstBase, (HMENU)1004, NULL, NULL);
        CreateWindow(_T("Static"), _T("进度条"), WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON, 30, 150, 80, 30, hInstBase, (HMENU)1005, NULL, NULL);
        hInstEditSrc = CreateWindow(_T("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER, 30, 30, 450, 30, hInstBase, (HMENU)1006, NULL, NULL);
        hInstEditDst = CreateWindow(_T("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER, 30, 90, 450, 30, hInstBase, (HMENU)1007, NULL, NULL);
        SetWindowText(hInstEditSrc, _T("SrcFilename:"));
        SetWindowText(hInstEditDst, _T("DstFilename:"));
        EnableWindow(hInstDown, FALSE);

        hwndPB = CreateWindowEx( //创建进度条

            0,

            PROGRESS_CLASS,

            NULL,

            WS_CHILD | WS_VISIBLE,

            120, 150, 450, 30,            //位置和大小在WM_SIZE中设置

            hInstBase,

            (HMENU)0,

            NULL,

            NULL);
    }
    break;
    case WM_COMMAND:
        wmId    = LOWORD(wParam);
        wmEvent = HIWORD(wParam);

        switch (wmEvent)
        {
        case BN_CLICKED:
            {
                if (1001 == wmId)
                {
                    SetDlgItemText(hInstBase, 1001, _T("正在发送..."));
                    EnableWindow(hInstDown, FALSE);
                    //创建线程
                    CreateThread(
                        NULL,
                        0,
                        (LPTHREAD_START_ROUTINE)PBThreadProc,
                        NULL,
                        0,
                        0
                        );
                }
                else if (1003 == wmId)
                {
                    OpenFile();
                }
            }
            break;
        default:
            break;
        }
        // 分析菜单选择: 
        switch (wmId)
        {
        case IDM_EXIT:
            DestroyWindow(hWnd);
            break;
        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
        }
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}