conversation.cpp

vc++6.0开发网络典型应用实例导航 1. 本光盘提供了本书中所有的实例源程序文件。 2. 附录文件夹下是Winsock 函数参考以及错误码列表

// Conversation.cpp : implementation file
//

#include "stdafx.h"
#include "Netmsg.h"
#include "Conversation.h"
#include "Contact.h"
#include "ContactView.h"
#include "FileSend.h"
#include "ConvEdit.h"
#include "ResolverThread.h"
#include <direct.h>

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


//The conversation dialog 

#define CHECK_WND(x) if (!::IsWindow(x.m_hWnd)) return;
#define CHECK_WND_P(x) if (!::IsWindow(x->m_hWnd)) return;
#define CHECK_WND_P0(x) if (!::IsWindow(x->m_hWnd)) return 0;
#define CHECK_WND0(x) if (!::IsWindow(x.m_hWnd)) return 0;


CConversation::CConversation(CWnd* pParent, CContact *With, char *DefaultMsg)
	: CDialog(CConversation::IDD, pParent)
{
	pszDefaultMessage = DefaultMsg;
	Contact = With;

	BrushWhite.CreateSolidBrush(RGB(255, 255, 255)); 
	BrushNormal.CreateSolidBrush(GetColor(COL_LINEFRAMES));
	BrushLight.CreateSolidBrush(GetColor(COL_LIGHTITEMS));
	BrushDisabled.CreateSolidBrush(GetColor(COL_DISABLED));

	FontBold.CreateFont(13, 0, 0, 0, FW_BOLD, 0, 0, 0, 0, 0, 0, 0, 0, "Tahoma");
	FontNormal.CreateFont(13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "Tahoma");

	m_iSendFile = AfxGetApp()->LoadIcon(IDI_SENDFILE);
	m_iSendFileD = AfxGetApp()->LoadIcon(IDI_SENDFILED);
	m_iBlock = AfxGetApp()->LoadIcon(IDI_BLOCK);
	m_iUnblock = AfxGetApp()->LoadIcon(IDI_UNBLOCK);

	HasMessage = false;
	Enabled = true;
	IsTransfering = false;

	//{{AFX_DATA_INIT(CConversation)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT

	memset(&ufFontNormal, 0, sizeof(USERFONT));

	ufFontNormal.lfFont.lfHeight = 16;
	ufFontNormal.lfFont.lfWeight = FW_NORMAL;
	ufFontNormal.lfFont.lfQuality = 1;
	strcpy(ufFontNormal.lfFont.lfFaceName, "MS Sans Serif");
	ufFontNormal.nPointSize = 100;
	ufFontNormal.crColor = RGB(0, 0, 0);

	m_SplitterPos = 0;

	m_hIcon = AfxGetApp()->LoadIcon(IDR_CONVERSATION);
}

CConversation::~CConversation()
{
	::FreeResource(m_iSendFile);
	::FreeResource(m_iSendFileD);
	::FreeResource(m_iBlock);
	::FreeResource(m_iUnblock);
	::FreeResource(m_hIcon);
}


void CConversation::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CConversation)
	DDX_Control(pDX, IDC_CANCEL, m_Cancel);
	DDX_Control(pDX, IDC_SENDFILE, m_SendFile);
	DDX_Control(pDX, IDC_BLOCK, m_Block);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CConversation, CDialog)
	//{{AFX_MSG_MAP(CConversation)
	ON_WM_SIZE()
	ON_WM_TIMER()
	ON_EN_CHANGE(IDC_SENDMSG, OnChangeSendmsg)
	ON_COMMAND(ID_IDRCONVERSATIONMENU_BLOCK, OnIdrconversationmenuBlock)
	ON_COMMAND(ID_IDRCONVERSATIONMENU_SENDFILE, OnIdrconversationmenuSendfile)
	ON_WM_CTLCOLOR()
	ON_COMMAND(ID_IDRCONVERSATIONMENU_CHANGEFONT, OnIdrconversationmenuChangefont)
	ON_WM_GETMINMAXINFO()
	ON_WM_CLOSE()
	ON_WM_PAINT()
	ON_COMMAND(ID_FILE_CLOSE, OnFileClose)
	ON_BN_CLICKED(IDC_BLOCK, OnBlock)
	ON_BN_CLICKED(IDC_SENDFILE, OnSendfile)
	ON_BN_CLICKED(IDC_CANCEL, OnTransferCancel)
	ON_COMMAND(ID_ACTIONS_CHOOSEADVANCEDCOLOR, OnActionsChooseadvancedcolor)
	ON_BN_CLICKED(IDC_SENDBUTTON, OnSend)
	ON_MESSAGE(WM_RECEIVEDMESSAGE, ReceivedMessage)
	ON_MESSAGE(WM_TYPENOTIFY, OnTypeNotify)
	ON_COMMAND(ID_HELP_EMOTICONSHELP, OnHelpEmoticonshelp)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CConversation message handlers

void CConversation::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	UpdateSizes();
	RedrawEssential();
}

static UINT auIDStatusBar[] = {
	ID_SEPARATOR
};

BOOL CConversation::OnInitDialog() 
{
	CDialog::OnInitDialog();
	CenterWindow(GetDesktopWindow());

	CRect rcClientRect;
	CRect rcEmptyRect;

	GetClientRect(rcClientRect);

	rcEmptyRect.SetRectEmpty();

	m_bgWnd.Create(NULL, NULL, WS_VISIBLE | WS_CHILD, rcEmptyRect, this, 10021);

	m_Chat.CreateEx((OSVER & WIN_WINNT && GetApp()->View->bmConvBack)
		? WS_EX_TRANSPARENT : 0, NULL, NULL, WS_VISIBLE | WS_CHILD |
					WS_CLIPCHILDREN | WS_VSCROLL | ES_MULTILINE | ES_READONLY |
					ES_AUTOVSCROLL | ES_LEFT | ES_WANTRETURN, rcEmptyRect, &m_bgWnd, IDC_CHAT, NULL, this);

	m_bgWnd.m_Chat = &m_Chat;

	m_SendMsg.Create(NULL, NULL, WS_VISIBLE | WS_CHILD |
					WS_CLIPCHILDREN | WS_VSCROLL | ES_MULTILINE | WS_TABSTOP |
					ES_AUTOVSCROLL | ES_LEFT | ES_WANTRETURN, rcEmptyRect, this, IDC_SENDMSG, NULL, this);
	m_Chat.AutoURLDetect(true);
	m_Chat.SetEventMask(m_Chat.GetEventMask() | ENM_LINK);

	m_SendMsg.LimitText(500);

	if (m_statusBar.Create(this))
	{
		m_statusBar.SetIndicators(auIDStatusBar, sizeof(auIDStatusBar) / sizeof(unsigned int));

		m_statusBar.SetPaneInfo(0, m_statusBar.GetItemID(0),
			SBPS_STRETCH, NULL );
	}

	CRect rcClientStart;
	CRect rcClientNow;
	GetClientRect(rcClientStart);

	RepositionBars(AFX_IDW_CONTROLBAR_FIRST, AFX_IDW_CONTROLBAR_LAST,
				   0, reposQuery, rcClientNow);
	CPoint ptOffset(rcClientNow.left - rcClientStart.left,
					rcClientNow.top - rcClientStart.top);

	CRect  rcChild;
	CWnd* pwndChild = GetWindow(GW_CHILD);

	while (pwndChild)
	{
		pwndChild->GetWindowRect(rcChild);
		ScreenToClient(rcChild);
		rcChild.OffsetRect(ptOffset);
		pwndChild->MoveWindow(rcChild, FALSE);
		pwndChild = pwndChild->GetNextWindow();
	}

	Font.CreateFontIndirect(&GetApp()->View->Me.uFont.lfFont);

	CRect rcWindow;
	GetWindowRect(rcWindow);

	rcWindow.right += rcClientStart.Width() - rcClientNow.Width();
	rcWindow.bottom += rcClientStart.Height() - rcClientNow.Height();

	MoveWindow(rcWindow, FALSE);

	RepositionBars(AFX_IDW_CONTROLBAR_FIRST, AFX_IDW_CONTROLBAR_LAST, 0);

	SetIcon(m_hIcon, TRUE);         // Set big icon
	SetIcon(m_hIcon, FALSE);        // Set small icon

	m_Chat.AppendWindowTextF(&ufFontNormal, 0, 
		AfxGetApp()->GetProfileString("Settings", "SecurityWarning", 
		"(M) Netmsg 1.2.2.0$CRLF $UL$CRLF"));

	CString cstr;

	if (pszDefaultMessage)
	{
		ReceivedMessage(0, (LPARAM)pszDefaultMessage);
	}

	cstr.Format("Conversation: %s", Contact->GetScreenName());

	SetWindowText(cstr);

	// position controls //

	m_SendButton.SubclassDlgItem(IDC_SENDBUTTON, this);
	m_SendButton.SetTextAlignment(CMSNButton::AlignCenter);
	m_SendButton.SetFont(&FontNormal);
	m_SendButton.EnableWindow(FALSE);
	m_SendButton.SetCornerColor(RGB(255, 255, 255));

	m_Message.Create("", WS_CHILD, rcEmptyRect, this);
	m_Message.SetColors(GetColor(COL_NORMALTEXT), GetColor(COL_LIGHTITEMS));
	m_Message.SetFont(&FontNormal);

	m_To.Create("", WS_CHILD | SS_ENDELLIPSIS, rcEmptyRect, this);
	m_To.SetColors(GetColor(COL_NOTIFYTEXT), GetColor(COL_LINEFRAMES));
	m_To.ShowWindow(SW_SHOW);
	m_To.SetFont(&FontBold);

	m_Splitter.Create(NULL, WS_CHILD | SS_NOTIFY, rcEmptyRect, this, IDC_STATIC);
	m_Splitter.ShowWindow(SW_SHOW);

	// file transfer controls //

	m_Progress.Create(WS_CHILD, rcEmptyRect, this, 0xFFFF);
	m_Progress.SetGradientColors(RGB(171, 190, 239), RGB(88, 125, 222));
	m_Progress.SetBkColor(GetColor(COL_LIGHTITEMS));
	m_Progress.SetRubberBar(TRUE);
	m_Progress.SetTextFormat("%d%%", PBS_SHOW_PERCENT);
	m_Progress.SetFont(&FontNormal);
	m_Progress.SetTextColor(GetColor(COL_NORMALTEXT));

	m_FileStats.Create(NULL, WS_CHILD, rcEmptyRect, this, IDC_STATIC);
	m_TransferStats.Create(NULL, WS_CHILD, rcEmptyRect, this, IDC_STATIC);
	m_FileStats.SetColors(GetColor(COL_NORMALTEXT), GetColor(COL_LIGHTITEMS));
	m_TransferStats.SetColors(GetColor(COL_NORMALTEXT), GetColor(COL_LIGHTITEMS));
	m_TransferStats.SetFont(&FontNormal);
	m_FileStats.SetFont(&FontNormal);

	////////////////////////////

	m_SendMsg.SetFont(&Font);
	m_Block.SetTextAlignment(CTrackLookButton::AlignRight);
	m_Block.SetIcons(m_iBlock);
	m_Block.SetIconSize(24, 24);
	m_Block.SetWindowText("Block");
	m_SendFile.SetIcons(m_iSendFile, m_iSendFile, m_iSendFileD);
	m_SendFile.SetWindowText("Send File");
	m_SendFile.SetTextAlignment(CTrackLookButton::AlignRight);
	m_SendFile.SetIconSize(24, 24);

	m_SendButton.MoveWindow(rcClientRect.right - 60, rcClientRect.bottom - 72, 52, 45);
	m_To.MoveWindow(6, 4, rcClientRect.right - 6, 18);
	m_Block.MoveWindow(rcClientRect.right - 84, rcClientRect.bottom - 116, 80, 34);
	m_SendFile.MoveWindow(rcClientRect.right - 169, rcClientRect.bottom - 116, 85, 34);

	strcpy(Host, "Resolving host name...");

	char buf[512];

	sprintf(buf, "To: %s (%s) Resolving host name...", 
		Contact->GetTruncatedScreenName(32), Contact->GetHostName().Get());
	m_To.SetWindowText(buf);

	CResolverThread *Thread = new CResolverThread(Contact->GetHostName(), this);
	Thread->CreateThread();

	WINDOWPLACEMENT *wpl;
	unsigned int sz = sizeof(WINDOWPLACEMENT);

	if (AfxGetApp()->GetProfileBinary("Settings", "WindowPosChat", (LPBYTE *)&wpl, &sz))
	{
		SetWindowPlacement(wpl);
	}

	delete wpl;

	UpdateWindow();

	m_Block.Invalidate();

	SetSplitterPos(AfxGetApp()->GetProfileInt("Settings", "SplitterPos", 0));

	SetTimer(1, 1, 0);
	UpdateSizes();

	Contact->Flags |= CFL_DLGCREATED;
	//NOW we're active :P

	return TRUE;
}


void CConversation::OnSend() 
{
	MESSAGE *Msg = new MESSAGE;
	m_SendMsg.GetWindowText(Msg->Message, m_SendMsg.GetWindowTextLength() + 1);

	if (!strcmp(Msg->Message, "\r\n"))
	{
		m_SendMsg.SetWindowText("");
		return;
	}

	if (!stricmp(Msg->Message, ""))
	{
		m_SendMsg.SetFocus();
		return;
	}
	else
	{
		char buf[1024];
		strcpy(buf, Msg->Message);
		Msg->To = Contact;
		Msg->CallingDialog = this;

		PluginsMessageSent(Msg->To, buf);

		ReceivedMessage(1, (LPARAM) nstrdup(buf));

		strcpy(Msg->Message, buf);

		::SendMessage(GetApp()->View->GetSafeHwnd(), WM_SENDTHISMESSAGE, 0, (LPARAM) Msg);
	}
	m_SendMsg.SetFocus();
	m_SendMsg.SetWindowText("");
	OnChangeSendmsg();
}

void CConversation::OnTimer(UINT nIDEvent) 
{
	switch (nIDEvent)
	{
	case 1:
		m_SendMsg.SetFocus();
		KillTimer(1);
		break;
	case 2:
		m_Chat.SetFocus();
		KillTimer(2);
		break;
	case 3:
		RedrawWindow();
		KillTimer(3); 
		break;
	}
	CDialog::OnTimer(nIDEvent);
}

void CConversation::OnChangeSendmsg() 
{
	static bool Sent = true;
	char buf[512];

	m_SendMsg.GetWindowText(buf, sizeof(buf));

	if (!stricmp(buf, ""))
	{
		RECT rect;
		GetClientRect(&rect);
		rect.top = rect.bottom - 90;
		rect.right = 20;
		rect.bottom = rect.top + 40;
		RedrawWindow(&rect);
		m_SendButton.EnableWindow(FALSE);
	}
	else
	{
		m_SendButton.EnableWindow(TRUE);
	}
	if (!Sent && !stricmp(buf, ""))
	{
		if (Contact->IsOffline()) return;
		Sent = true;
		::SendMessage(GetApp()->View->GetSafeHwnd(), WM_TYPENOTIFY, 0, (LPARAM) Contact);
	}
	else if (Sent && stricmp(buf, ""))
	{
		if (Contact->IsOffline()) return;

		Sent = false;
		::SendMessage(GetApp()->View->GetSafeHwnd(), WM_TYPENOTIFY, 1, (LPARAM) Contact);
	}