leftview.cpp

来自「一个简易的聊天室程序」· C++ 代码 · 共 222 行

// LeftView.cpp : implementation of the CLeftView class
//

#include "stdafx.h"
#include "ChatClient.h"

#include "ChatClientDoc.h"
#include "LeftView.h"

#include "PrivateMsgDlg.h"

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

extern CString m_strHandle;

/////////////////////////////////////////////////////////////////////////////
// CLeftView

IMPLEMENT_DYNCREATE(CLeftView, CTreeView)

BEGIN_MESSAGE_MAP(CLeftView, CTreeView)
	//{{AFX_MSG_MAP(CLeftView)
	ON_WM_DESTROY()
	ON_WM_RBUTTONDOWN()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CTreeView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CTreeView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CTreeView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLeftView construction/destruction

CLeftView::CLeftView()
{
}

CLeftView::~CLeftView()
{
}

BOOL CLeftView::PreCreateWindow(CREATESTRUCT& cs)
{
	return CTreeView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CLeftView drawing

void CLeftView::OnDraw(CDC* pDC)
{
	CChatClientDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
}


/////////////////////////////////////////////////////////////////////////////
// CLeftView printing

BOOL CLeftView::OnPreparePrinting(CPrintInfo* pInfo)
{
	return DoPreparePrinting(pInfo);
}

void CLeftView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
}

void CLeftView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{

}

void CLeftView::OnInitialUpdate()
{
	CTreeView::OnInitialUpdate();

	LOGFONT lf;                        // Used to create the CFont.

    memset(&lf, 0, sizeof(LOGFONT));   // Clear out structure.
    lf.lfHeight = 16;                  // Request a 20-pixel-high font
    strcpy(lf.lfFaceName, "Verdana");    //    with face name "Arial".
    m_font.CreateFontIndirect(&lf);    // Create the font.
	SetFont(&m_font);		

	CWinApp* pApp = AfxGetApp();
	m_pImageList.Create(16, 16, ILC_COLOR8 | ILC_MASK,  9, 9);

	m_pImageList.Add(pApp->LoadIcon(IDI_CHATTER));

	GetTreeCtrl().SetImageList(&m_pImageList , TVSIL_NORMAL);

}

/////////////////////////////////////////////////////////////////////////////
// CLeftView diagnostics

#ifdef _DEBUG
void CLeftView::AssertValid() const
{
	CTreeView::AssertValid();
}

void CLeftView::Dump(CDumpContext& dc) const
{
	CTreeView::Dump(dc);
}

CChatClientDoc* CLeftView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CChatClientDoc)));
	return (CChatClientDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CLeftView message handlers


void CLeftView::ClearChattersList()
{
	GetTreeCtrl().DeleteAllItems();
}

void CLeftView::AddToChattersList(CString sNickName, CString cSocket)
{
	HTREEITEM hItem = GetTreeCtrl().InsertItem(sNickName , 0 , 0, TVI_ROOT, TVI_LAST);
	int iSocket = atoi(cSocket);
	GetTreeCtrl().SetItemData(hItem, iSocket);
}

void CLeftView::OnDestroy() 
{
	CTreeView::OnDestroy();
}

void CLeftView::OnRButtonDown(UINT nFlags, CPoint point) 
{

	HTREEITEM hItem = GetTreeCtrl().HitTest(point, &nFlags);
	if(hItem != NULL)
	{
		if(GetTreeCtrl().GetItemText(hItem) == 	m_strHandle)
			return;

	    ClientToScreen (&point);
		CMenu FloatingMenu;
	    VERIFY(FloatingMenu.LoadMenu(IDR_PRIVATE_POPUP));
		CMenu* pPopupMenu = FloatingMenu.GetSubMenu (0);
	    ASSERT(pPopupMenu != NULL);
		UINT nCmd = pPopupMenu->TrackPopupMenu (TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD,
                                point.x, point.y, this);

		switch(nCmd)
		{
		case ID_PRIVATE_MESSAGE:
			PrivateMessage(hItem);
			break;

		case ID_KICK_USER:
			KickUser(hItem);
			break;

		case ID_PRIVATE_CHAT:
			AfxMessageBox("wish i had the time, to complete this");
			break;
		}
	}

	CTreeView::OnRButtonDown(nFlags, point);
}

void CLeftView::PrivateMessage(HTREEITEM hItem)
{
	CPrivateMsgDlg dlg;
	if(dlg.DoModal() == IDCANCEL)
		return;

	CChatClientDoc* pDoc = (CChatClientDoc*)GetDocument();

	CMsg msg;

	msg.m_dwMask = pDoc->m_stdCF.dwMask;
	msg.m_dwEffects = pDoc->m_stdCF.dwEffects;
	msg.m_yHeight = pDoc->m_stdCF.yHeight;
	msg.m_yOffset = pDoc->m_stdCF.yOffset;
	msg.m_crTextColor = pDoc->m_stdCF.crTextColor;
	msg.m_bCharSet = pDoc->m_stdCF.bCharSet;
	msg.m_bPitchAndFamily = pDoc->m_stdCF.bPitchAndFamily;
	msg.m_szFaceName = pDoc->m_stdCF.szFaceName;

	msg.code = PRIVATE_MESSAGE;

	msg.m_hSocket = GetTreeCtrl().GetItemData(hItem);	
	msg.m_strText = m_strHandle + _T(": ") + dlg.m_PrivateMsgRE;
	pDoc->DespatchMsg(msg);

	return;
}

void CLeftView::KickUser(HTREEITEM hItem)
{
	CString strTemp;
	strTemp.Format("%s %s" , "Kick user " , GetTreeCtrl().GetItemText(hItem));
	if(AfxMessageBox(strTemp , MB_YESNO ) == IDNO)
		return;

	CChatClientDoc* pDoc = (CChatClientDoc*)GetDocument();

	CMsg msg;
	msg.code = KICK_USER;
	msg.m_hSocket = GetTreeCtrl().GetItemData(hItem);	
	pDoc->DespatchMsg(msg);
	return;
}