sendviewre.cpp

来自「一个简易的聊天室程序」· C++ 代码 · 共 236 行

// ChatViewRE.cpp : implementation file
//

#include "stdafx.h"
#include "SendViewRE.h"

#include "Resource.h"

#include "ChatClientDoc.h"

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

#include <afxrich.h>

#define JOINING_CHAT          1
#define LEAVING_CHAT          2
#define SENDING_CHATTERS_LIST 3
#define SENDING_NICKNAME      4
#define NORMAL_MESSAGE        5
#define DUPLICATE_NICKNAME    6

/////////////////////////////////////////////////////////////////////////////
// CChatViewRE

IMPLEMENT_DYNCREATE(CSendViewRE, CRichEditView)

CSendViewRE::CSendViewRE()
{


}

CSendViewRE::~CSendViewRE()
{
}


BEGIN_MESSAGE_MAP(CSendViewRE, CRichEditView)
	//{{AFX_MSG_MAP(CChatViewRE)
		// NOTE - the ClassWizard will add and remove mapping macros here.

	ON_WM_CHAR()
	//}}AFX_MSG_MAP

END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChatViewRE drawing

void CSendViewRE::OnDraw(CDC* pDC)
{
	CDocument* pDoc = GetDocument();
	// TODO: add draw code here
}

/////////////////////////////////////////////////////////////////////////////
// CChatViewRE diagnostics

#ifdef _DEBUG
void CSendViewRE::AssertValid() const
{
	CRichEditView::AssertValid();
}

void CSendViewRE::Dump(CDumpContext& dc) const
{
	CRichEditView::Dump(dc);
}

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

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CChatViewRE message handlers

void CSendViewRE::OnInitialUpdate() 
{
	CRichEditView::OnInitialUpdate();


//	CHARFORMAT cf;
	m_cf.cbSize = sizeof(CHARFORMAT);
	m_cf.dwMask = 
	      		CFM_BOLD|
//		        CFM_ITALIC|
//				CFM_UNDERLINE|
//				CFM_STRIKEOUT|
				CFM_SIZE|
		        CFM_COLOR;
//				CFM_OFFSET|
//				CFM_PROTECTED;

	m_cf.dwEffects = CFE_AUTOCOLOR | FW_NORMAL;
	m_cf.yHeight = 200; //10pt
//	m_cf.wWeight = FW_NORMAL;
	m_cf.yOffset = 0;
	m_cf.crTextColor = RGB(0, 0, 0);
	m_cf.bCharSet = 0;
	m_cf.bPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
	strcpy(m_cf.szFaceName, "Arial");
	m_cf.dwMask |= CFM_FACE;
	GetRichEditCtrl().SetDefaultCharFormat(m_cf);	

}

void CSendViewRE::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	if ((nChar != VK_RETURN) || (nRepCnt!=1))
	{
		CRichEditView::OnChar(nChar, nRepCnt, nFlags);
		return;
	}
	else
	{
		CChatClientDoc* pDoc = (CChatClientDoc*)GetDocument();
		ASSERT_VALID(pDoc);

		CString strText;
		GetRichEditCtrl().GetWindowText(strText);
		
		pDoc->SendMsg(strText, NORMAL_MESSAGE, true, m_cf);

		strText=_T("");
		GetRichEditCtrl().SetWindowText(strText);
		GetRichEditCtrl().SetSel(9,9);
	}
}

void CSendViewRE::SetupFont() 
{

	LOGFONT lf;
	CHOOSEFONT csf = {0};
	LONG yPerInch;
	HDC hdc;

	m_cf.cbSize = sizeof(CHARFORMAT);
	hdc = (HDC)GetDC();
	yPerInch = GetDeviceCaps(hdc, LOGPIXELSY);

	GetRichEditCtrl().SendMessage(EM_GETCHARFORMAT, (WPARAM) true,
			(LPARAM) &m_cf);

	csf.lStructSize = sizeof(csf);
	csf.hwndOwner = this->GetSafeHwnd();
	csf.hDC = 0;
	csf.lpLogFont = &lf;
	csf.Flags = 
		        CF_EFFECTS | 
		        CF_SCREENFONTS | 
				CF_INITTOLOGFONTSTRUCT |
				CF_LIMITSIZE;

	csf.nSizeMin = 1;
	csf.nSizeMax = yHeightCharPtsMost;
	csf.rgbColors = m_cf.crTextColor;
	csf.lpszStyle = NULL;
	csf.nFontType = REGULAR_FONTTYPE | SCREEN_FONTTYPE;

	lf.lfHeight = -(INT) ((m_cf.yHeight * yPerInch) / 1440);
	lf.lfWidth = 0;
	lf.lfEscapement = 0;
	lf.lfOrientation = 0;
	lf.lfWeight = (m_cf.dwEffects & CFE_BOLD) ? FW_BOLD : FW_NORMAL;
	lf.lfItalic = (m_cf.dwEffects & CFE_ITALIC) ? true : false;
	lf.lfUnderline = (m_cf.dwEffects & CFE_UNDERLINE) ? true : false;
	lf.lfStrikeOut = (m_cf.dwEffects & CFE_STRIKEOUT) ? true : false;
	lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
	lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
	lf.lfQuality = DRAFT_QUALITY;
	lf.lfCharSet = m_cf.bCharSet;
	lf.lfPitchAndFamily = m_cf.bPitchAndFamily;
	_tcscpy(lf.lfFaceName, m_cf.szFaceName);


	if(!ChooseFont(&csf))
		return;

	m_cf.cbSize = sizeof(CHARFORMAT);

	// don't change read-only bit
	m_cf.dwMask = CFM_SIZE | CFM_EFFECTS | CFM_COLOR | CFM_FACE | CFM_CHARSET;

	// Allow only upto 16 size font (360 == 16)
	m_cf.yHeight = (LONG) (csf.iPointSize * 2 > 360 ? 360 : csf.iPointSize * 2);
	m_cf.dwEffects = CFM_EFFECTS;
	if(lf.lfWeight < FW_BOLD)
		m_cf.dwEffects &= ~CFE_BOLD;
	if(!lf.lfItalic)
		m_cf.dwEffects &= ~CFE_ITALIC;
	if(!lf.lfUnderline)
		m_cf.dwEffects &= ~CFE_UNDERLINE;
	if(!lf.lfStrikeOut)
		m_cf.dwEffects &= ~CFE_STRIKEOUT;
	m_cf.crTextColor = csf.rgbColors;
	m_cf.bCharSet = lf.lfCharSet;
	m_cf.bPitchAndFamily = lf.lfPitchAndFamily;
	m_cf.dwEffects &= (unsigned long) ~CFE_AUTOCOLOR;
	_tcscpy(m_cf.szFaceName, lf.lfFaceName);

	GetRichEditCtrl().SetSel(0, -1);
	if(!GetRichEditCtrl().SetSelectionCharFormat(m_cf))
	{
		AfxMessageBox("Error setting character format");
	}	

	SetFocus();
}

void CSendViewRE::SetupColor() 
{
	CColorDialog dlgColor(RGB(0,0,0));
	if (dlgColor.DoModal() == IDOK)
	{
//		COLORREF txtClr = dlgColor.GetColor();
//		CHARFORMAT2 cf;
//		GetRichEditCtrl().GetSelectionCharFormat(cf);
	    m_cf.crTextColor = dlgColor.GetColor();
		m_cf.dwEffects &= (unsigned long) ~CFE_AUTOCOLOR;
		GetRichEditCtrl().SetSelectionCharFormat(m_cf);
		SetFocus();
	}
}