spiderwnd.cpp

实现了精简的FFT语音压缩 采取了一种新的算法有一定的参考价值

// SpiderWnd.cpp : implementation file
//

#include "stdafx.h"
#include "SpiderWnd.h"
#include "DSP.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// SpiderWnd
#define  IDC_BTNABORT			0xFFF0					//放弃按钮的ID
#define	 MSG_ASSIGNNEWSECT		12345
#define  MSG_CREATERECVTHREAD	12346

enum
{
	//窗体的字模的高度、窗体的高度和按钮的宽度高度
	WND_FONT_HEIGHT		=11,
	WND_BTN_WIDTH		=12,
	WND_HEIGHT			=WND_FONT_HEIGHT*4+2,
};

SpiderWnd::SpiderWnd()
{
	this->m_spider.m_pstaPrompt	=&this->m_staPrompt;
}

SpiderWnd::~SpiderWnd()
{
	if(this->m_btnAbort.m_hWnd!=NULL)
	{
		this->m_btnAbort.DestroyWindow();
		this->m_staCurrLen.DestroyWindow();
		this->m_staFilename.DestroyWindow();
		this->m_staPrompt.DestroyWindow();
		this->m_progress.DestroyWindow();
	}
}



BEGIN_MESSAGE_MAP(SpiderWnd, CWnd)
	//{{AFX_MSG_MAP(SpiderWnd)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
	ON_MESSAGE(DSPSpider::MSG_SENDSECT,OnUpdateSect)
	ON_MESSAGE(DSPSpider::MSG_RECVSECT,OnUpdateSect)
	ON_MESSAGE(DSPSpider::MSG_SENDCOMPLETE,OnSendComplete)
	ON_MESSAGE(DSPSpider::MSG_SETFILENAMESIZE,OnSetFilenameSize)
	ON_MESSAGE(DSPSpider::MSG_SHOWPROMPT,OnShowPrompt)
	ON_MESSAGE(DSPSpider::MSG_GETFILENAME,OnGetFilename)
	ON_MESSAGE(MSG_ASSIGNNEWSECT,OnAssignNewSect)
	ON_MESSAGE(MSG_CREATERECVTHREAD,OnCreateRecvThread)
	ON_COMMAND(IDC_BTNABORT,OnAbort)
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// SpiderWnd message handlers

BOOL SpiderWnd::Create(int offx,int offy,int width, CWnd *pParentWnd)
{
	//创建窗体本身
	CRect rect(offx,offy,offx+width,offy+WND_HEIGHT);
	if(!CWnd::CreateEx(WS_EX_TOPMOST|WS_EX_STATICEDGE|WS_EX_TOOLWINDOW,
			AfxRegisterWndClass(CS_SAVEBITS,NULL,NULL,NULL),
			NULL,WS_POPUP|WS_DLGFRAME,rect,pParentWnd,NULL,NULL))
		return FALSE;

	CRect rectWnd;
	this->m_font.CreateFont(10,				// nHeight
					4,						// nWidth
					0,						// nEscapement
					0,						// nOrientation
					FW_MEDIUM,				// nWeight
					0,						// bItalic
					0,						// bUnderline
					0,						// bStrikeOut
					0,						// nCharSet
					OUT_DEFAULT_PRECIS,		// nOutPrecision
					CLIP_DEFAULT_PRECIS,	// nClipPrecision
					PROOF_QUALITY,			// nQuality
					0,						// nPitchAndFamily
					"Terminal");			// lpszFacename
	this->SetFont(&this->m_font);
	this->GetClientRect(rectWnd);
	this->ReviseContent(rectWnd);
	return TRUE;
}

void SpiderWnd::ReviseContent(CRect &rect)
{
	CRect rectProg,rectName,rectSize,rectCurr,rectPrompt,rectCancel;
	
	//名字、进度条与窗体的宽度相同
	rectName	=rectProg	=rect;

	//计算名字的位置
	rectName.bottom		=WND_FONT_HEIGHT;

	//计算进度条的位置
	rectProg.top		=rectName.bottom;
	rectProg.bottom		=rectProg.top+8;

	//计算下载字节数提示的位置
	rectCurr.left		=rect.left;
	rectCurr.top		=rectProg.bottom;
	rectCurr.bottom		=rectCurr.top+WND_FONT_HEIGHT;
	rectCurr.right		=rect.Width()/2;
	rectSize.left		=rectCurr.right;
	rectSize.right		=rect.right;
	rectSize.top		=rectCurr.top;
	rectSize.bottom		=rectCurr.bottom;

	//计算提示信息框的位置，放弃按钮在提示信息框的右边
	rectPrompt.top		=rectSize.bottom;
	rectPrompt.bottom	=rectPrompt.top+WND_BTN_WIDTH;
	rectPrompt.left		=rect.left;
	rectCancel.right	=rect.right;
	rectCancel.left		=rect.right-WND_BTN_WIDTH;
	rectCancel.top		=rectPrompt.top;
	rectCancel.bottom	=rectPrompt.bottom;
	rectPrompt.right	=rectCancel.left;

	if(this->m_progress.m_hWnd==NULL)
	{
		//如果按钮没有被创建
		this->m_staFilename.Create(NULL,WS_CHILD|WS_VISIBLE,rectName,this);
		this->m_progress.Create(WS_CHILD|WS_VISIBLE|PBS_SMOOTH,rectProg,this,0xFFFF);
		this->m_staPrompt.Create("start recv......",WS_CHILD|WS_VISIBLE,rectPrompt,this);
		this->m_btnAbort.Create("X",WS_CHILD|WS_VISIBLE,rectCancel,this,IDC_BTNABORT);
		this->m_staCurrLen.Create("(0K) 0",WS_CHILD|WS_VISIBLE|SS_RIGHT,rectCurr,this);
		this->m_staFilesize.Create("/0 (0K)",WS_CHILD|WS_VISIBLE,rectSize,this);
		this->m_staFilename.SetFont(&this->m_font,FALSE);
		this->m_staPrompt.SetFont(&this->m_font,FALSE);
		this->m_staCurrLen.SetFont(&this->m_font,FALSE);
		this->m_staFilesize.SetFont(&this->m_font,FALSE);
		this->m_btnAbort.SetFont(&this->m_font);
	}
}

LRESULT SpiderWnd::OnUpdateSect(WPARAM wParam, LPARAM lParam)
{
	CString str;
	DWORD dwSize	=this->m_spider.OnUpdateSect(wParam,lParam);
	this->m_progress.StepIt();
	str.Format("(%dK) %d",dwSize/1024,dwSize);
	this->m_staCurrLen.SetWindowText(str);
	return 0;
};

LRESULT SpiderWnd::OnSetFilenameSize(WPARAM wParam, LPARAM lParam)
{
	//设置文件的名字和大小
	DSPSpider::_FILEDETAIL* lphfd	=(DSPSpider::_FILEDETAIL*)wParam;

	//显示文件名
	this->m_staFilename.SetWindowText(lphfd->strPathname);

	//显示总的长度
	CString str;
	str.Format("/ %d (%dK)",lphfd->dwFilesize,lphfd->dwFilesize/1024);
	this->m_staFilesize.SetWindowText(str);

	//初始化当前接收的长度
	this->m_staCurrLen.SetWindowText("0K");

	//初始化进度显示
	this->m_progress.SetRange32(0,lphfd->dwFilesize);
	this->m_progress.SetStep(this->m_spider.GetProgressStep());
	this->m_progress.SetPos(this->m_spider.GetCurrSize());
	return 0;
}

LRESULT SpiderWnd::OnSendComplete(WPARAM wParam, LPARAM lParam)
{
	LRESULT l	=this->m_spider.OnSendComplete(wParam,lParam);
	switch(l)
	{
		case 1:
			{
				//已全部下载完
				::AfxMessageBox("文件接收完成!");
			}
		case 2:
			//所有的线程都已经终止
			this->m_btnAbort.EnableWindow(true);
			break;
	}
	return 0;
}

LRESULT SpiderWnd::OnAbort(WPARAM wParam, LPARAM lParam)
{
	if(this->m_spider.OnAbort(wParam,lParam))
	{
		//如果已经没有线程在运行啦，则关闭窗体
		this->DestroyWindow();
		delete this;
	}
	else
	{
		//如果有线程在运行，则终止运行的线程
		this->m_btnAbort.EnableWindow(FALSE);
	}
	return 0;
};

LRESULT SpiderWnd::OnAssignNewSect(WPARAM wParam, LPARAM lParam)
{
	return this->m_spider.OnAssignNewSect(wParam,lParam);
};

LRESULT SpiderWnd::OnCreateRecvThread(WPARAM wParam, LPARAM lParam)
{
	return this->m_spider.OnCreateRecvThread(wParam,lParam);
};

LRESULT SpiderWnd::OnGetFilename(WPARAM wParam, LPARAM lParam)
{
	DSPSpider::_FILEDETAIL& fd	=*(DSPSpider::_FILEDETAIL*)wParam;
	fd.strPathname	="允许被下载的文件名，包含路径";
	fd.dwFilesize	=DSP::GetFileSize(fd.strPathname);
	return 0;
};

LRESULT SpiderWnd::OnShowPrompt(WPARAM wParam,LPARAM lParam)
{
	CString str;
	switch((WORD)wParam)
	{
		case DSPSpider::PROMPT_RECVSLEEP:
			str.Format("Recv:%d ,Sleep:%d.",(BYTE)(wParam>>16),(BYTE)(wParam>>24));
			break;
		case DSPSpider::PROMPT_MORETHAN:
			str.Format("Recv:%d ,Sleep:%d, cann't create more than.",(BYTE)(wParam>>16),(BYTE)(wParam>>24));
			break;
		case DSPSpider::PROMPT_NOIP:
			str.Format("Recv:%d ,Sleep:%d, No IP",(BYTE)(wParam>>16),(BYTE)(wParam>>24));
			break;
		case DSPSpider::PROMPT_CANNOTCONNECT:
			str.Format("connect to IP %s Failed!",(char*)lParam); 
			break;
		case DSPSpider::PROMPT_RECVABORT:
			str	="Recv abort.All Thread have been stoped.";
			break;
		case DSPSpider::PROMPT_RECVEND:
			str	="File recv successful.Clear up file.";
	}
	this->m_staPrompt.SetWindowText(str);
	return 0;
};