www.pudn.com > autoricheditctrl_demo.zip > AutoRichEditCtrl.cpp
// AutoRichEditCtrl.cpp : implementation file
//
#include "stdafx.h"
#include "RichEd.h"
#include "AutoRichEditCtrl.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAutoRichEditCtrl
CAutoRichEditCtrl::CAutoRichEditCtrl()
{
}
CAutoRichEditCtrl::~CAutoRichEditCtrl()
{
}
BEGIN_MESSAGE_MAP(CAutoRichEditCtrl, CRichEditCtrl)
//{{AFX_MSG_MAP(CAutoRichEditCtrl)
// NOTE - the ClassWizard will add and remove mapping macros here.
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CAutoRichEditCtrl message handlers
CString CAutoRichEditCtrl::GetRTF()
{
// Return the RTF string of the text in the control.
// Stream out here.
EDITSTREAM es;
es.dwError = 0;
es.pfnCallback = CBStreamOut; // Set the callback
CString sRTF = "";
es.dwCookie = (DWORD) &sRTF; // so sRTF receives the string
StreamOut(SF_RTF, es); // Call CRichEditCtrl::StreamOut to get the string.
///
return sRTF;
}
void CAutoRichEditCtrl::SetRTF(CString sRTF)
{
// Put the RTF string sRTF into the rich edit control.
// Read the text in
EDITSTREAM es;
es.dwError = 0;
es.pfnCallback = CBStreamIn;
es.dwCookie = (DWORD) &sRTF;
StreamIn(SF_RTF, es); // Do it.
}
/*
Callback function to stream an RTF string into the rich edit control.
*/
DWORD CALLBACK CAutoRichEditCtrl::CBStreamIn(DWORD dwCookie, LPBYTE pbBuff, LONG cb, LONG *pcb)
{
// We insert the rich text here.
/*
This function taken from CodeGuru.com
http://www.codeguru.com/richedit/rtf_string_streamin.shtml
Zafir Anjum
*/
CString *pstr = (CString *) dwCookie;
if (pstr->GetLength() < cb)
{
*pcb = pstr->GetLength();
memcpy(pbBuff, (LPCSTR) *pstr, *pcb);
pstr->Empty();
}
else
{
*pcb = cb;
memcpy(pbBuff, (LPCSTR) *pstr, *pcb);
*pstr = pstr->Right(pstr->GetLength() - cb);
}
///
return 0;
}
/*
Callback function to stream the RTF string out of the rich edit control.
*/
DWORD CALLBACK CAutoRichEditCtrl::CBStreamOut(DWORD dwCookie, LPBYTE pbBuff, LONG cb, LONG *pcb)
{
// Address of our string var is in psEntry
CString *psEntry = (CString*) dwCookie;
CString tmpEntry = "";
tmpEntry = (CString) pbBuff;
// And write it!!!
*psEntry += tmpEntry.Left(cb);
return 0;
}
bool CAutoRichEditCtrl::SelectionIsBold()
{
CHARFORMAT cf = GetCharFormat();
if (cf.dwEffects & CFM_BOLD)
return true;
else
return false;
}
bool CAutoRichEditCtrl::SelectionIsItalic()
{
CHARFORMAT cf = GetCharFormat();
if (cf.dwEffects & CFM_ITALIC)
return true;
else
return false;
}
bool CAutoRichEditCtrl::SelectionIsUnderlined()
{
CHARFORMAT cf = GetCharFormat();
if (cf.dwEffects & CFM_UNDERLINE)
return true;
else
return false;
}
CHARFORMAT CAutoRichEditCtrl::GetCharFormat(DWORD dwMask)
{
CHARFORMAT cf;
cf.cbSize = sizeof(CHARFORMAT);
cf.dwMask = dwMask;
GetSelectionCharFormat(cf);
return cf;
}
void CAutoRichEditCtrl::SetCharStyle(int MASK, int STYLE, int nStart, int nEnd)
{
CHARFORMAT cf;
cf.cbSize = sizeof(CHARFORMAT);
//cf.dwMask = MASK;
GetSelectionCharFormat(cf);
if (cf.dwMask & MASK) // selection is all the same
{
cf.dwEffects ^= STYLE;
}
else
{
cf.dwEffects |= STYLE;
}
cf.dwMask = MASK;
SetSelectionCharFormat(cf);
}
void CAutoRichEditCtrl::SetSelectionBold()
{
long start=0, end=0;
GetSel(start, end); // Get the current selection
SetCharStyle(CFM_BOLD, CFE_BOLD, start, end); // Make it bold
}
void CAutoRichEditCtrl::SetSelectionItalic()
{
long start=0, end=0;
GetSel(start, end);
SetCharStyle(CFM_ITALIC, CFE_ITALIC, start, end);
}
void CAutoRichEditCtrl::SetSelectionUnderlined()
{
long start=0, end=0;
GetSel(start, end);
SetCharStyle(CFM_UNDERLINE, CFE_UNDERLINE, start, end);
}
void CAutoRichEditCtrl::SetParagraphCenter()
{
PARAFORMAT paraFormat;
paraFormat.cbSize = sizeof(PARAFORMAT);
paraFormat.dwMask = PFM_ALIGNMENT;
paraFormat.wAlignment = PFA_CENTER;
SetParaFormat(paraFormat); // Set the paragraph.
}
void CAutoRichEditCtrl::SetParagraphLeft()
{
PARAFORMAT paraFormat;
paraFormat.cbSize = sizeof(PARAFORMAT);
paraFormat.dwMask = PFM_ALIGNMENT;
paraFormat.wAlignment = PFA_LEFT;
SetParaFormat(paraFormat);
}
void CAutoRichEditCtrl::SetParagraphRight()
{
PARAFORMAT paraFormat;
paraFormat.cbSize = sizeof(PARAFORMAT);
paraFormat.dwMask = PFM_ALIGNMENT;
paraFormat.wAlignment = PFA_RIGHT;
SetParaFormat(paraFormat);
}
bool CAutoRichEditCtrl::ParagraphIsCentered()
{
PARAFORMAT pf = GetParagraphFormat();
if (pf.wAlignment == PFA_CENTER)
return true;
else
return false;
}
bool CAutoRichEditCtrl::ParagraphIsLeft()
{
PARAFORMAT pf = GetParagraphFormat();
if (pf.wAlignment == PFA_LEFT)
return true;
else
return false;
}
bool CAutoRichEditCtrl::ParagraphIsRight()
{
PARAFORMAT pf = GetParagraphFormat();
if (pf.wAlignment == PFA_RIGHT)
return true;
else
return false;
}
PARAFORMAT CAutoRichEditCtrl::GetParagraphFormat()
{
PARAFORMAT pf;
pf.cbSize = sizeof(PARAFORMAT);
pf.dwMask = PFM_ALIGNMENT | PFM_NUMBERING;
GetParaFormat(pf);
return pf;
}
void CAutoRichEditCtrl::SetParagraphBulleted()
{
PARAFORMAT paraformat = GetParagraphFormat();
if ( (paraformat.dwMask & PFM_NUMBERING) && (paraformat.wNumbering == PFN_BULLET) )
{
paraformat.wNumbering = 0;
paraformat.dxOffset = 0;
paraformat.dxStartIndent = 0;
paraformat.dwMask = PFM_NUMBERING | PFM_STARTINDENT | PFM_OFFSET;
}
else
{
paraformat.wNumbering = PFN_BULLET;
paraformat.dwMask = PFM_NUMBERING;
if (paraformat.dxOffset == 0)
{
paraformat.dxOffset = 4;
paraformat.dwMask = PFM_NUMBERING | PFM_STARTINDENT | PFM_OFFSET;
}
}
SetParaFormat(paraformat);
}
bool CAutoRichEditCtrl::ParagraphIsBulleted()
{
PARAFORMAT pf = GetParagraphFormat();
if (pf.wNumbering == PFN_BULLET)
return true;
else
return false;
}
void CAutoRichEditCtrl::SelectColor()
{
CColorDialog dlg;
CHARFORMAT cf = GetCharFormat();
if (cf.dwEffects & CFE_AUTOCOLOR) cf.dwEffects -= CFE_AUTOCOLOR;
// Get a color from the common color dialog.
if( dlg.DoModal() == IDOK )
{
cf.crTextColor = dlg.GetColor();
}
cf.dwMask = CFM_COLOR;
SetSelectionCharFormat(cf);
}
void CAutoRichEditCtrl::SetFontName(CString sFontName)
{
CHARFORMAT cf = GetCharFormat();
// Set the font name.
for (int i = 0; i <= sFontName.GetLength()-1; i++)
cf.szFaceName[i] = sFontName[i];
cf.dwMask = CFM_FACE;
SetSelectionCharFormat(cf);
}
void CAutoRichEditCtrl::SetFontSize(int nPointSize)
{
CHARFORMAT cf = GetCharFormat();
nPointSize *= 20; // convert from to twips
cf.yHeight = nPointSize;
cf.dwMask = CFM_SIZE;
SetSelectionCharFormat(cf);
}
void CAutoRichEditCtrl::GetSystemFonts(CStringArray &saFontList)
{
CDC *pDC = GetDC ();
EnumFonts (pDC->GetSafeHdc(),NULL,(FONTENUMPROC) CBEnumFonts,(LPARAM)&saFontList);//Enumerate
}
BOOL CALLBACK CAutoRichEditCtrl::CBEnumFonts(LPLOGFONT lplf, LPTEXTMETRIC lptm, DWORD dwType, LPARAM lpData)
{
// This function was written with the help of CCustComboBox, by Girish Bharadwaj.
// Available from Codeguru.
if (dwType == TRUETYPE_FONTTYPE)
{
((CStringArray *) lpData)->Add( lplf->lfFaceName );
}
return true;
}
CString CAutoRichEditCtrl::GetSelectionFontName()
{
CHARFORMAT cf = GetCharFormat();
CString sName = cf.szFaceName;
return sName;
}
long CAutoRichEditCtrl::GetSelectionFontSize()
{
CHARFORMAT cf = GetCharFormat();
long nSize = cf.yHeight/20;
return nSize;
}