// RichTextCtrl.cpp : implementation file
//
#include "stdafx.h"
//#include "Exppp.h"
#include "RichTextCtrl.h"
#include <Richole.h>
#include <afxole.h>
//使用了QQ的图像处理控件
#import "ImageOle.dll" named_guids
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CRichTextCtrl
CRichTextCtrl::CRichTextCtrl()
{
}
CRichTextCtrl::~CRichTextCtrl()
{
}
BEGIN_MESSAGE_MAP(CRichTextCtrl, CRichEditCtrl)
//{{AFX_MSG_MAP(CRichTextCtrl)
ON_WM_RBUTTONDOWN()
ON_COMMAND(ID_RICH_COPY, OnCopy)
ON_COMMAND(ID_RICH_CUT, OnCut)
ON_COMMAND(ID_RICH_PASTE, OnPaste)
ON_COMMAND(ID_RICH_SELECTALL, OnSelectall)
ON_COMMAND(ID_RICH_UNDO, OnUndo)
ON_COMMAND(ID_RICH_CLEAR, OnClear)
// ON_COMMAND(ID_RICH_SETFONT, OnSelectfont)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CRichTextCtrl message handlers
void CRichTextCtrl::OnRButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
//设置为焦点
SetFocus();
//创建一个弹出式菜单
CMenu popmenu;
popmenu.CreatePopupMenu();
//添加菜单项目
popmenu.AppendMenu(0, ID_RICH_UNDO, "&Undo");
popmenu.AppendMenu(0, MF_SEPARATOR);
popmenu.AppendMenu(0, ID_RICH_CUT, "&Cut");
popmenu.AppendMenu(0, ID_RICH_COPY, "C&opy");
popmenu.AppendMenu(0, ID_RICH_PASTE, "&Paste");
popmenu.AppendMenu(0, ID_RICH_CLEAR, "C&lear");
popmenu.AppendMenu(0, MF_SEPARATOR);
popmenu.AppendMenu(0, ID_RICH_SELECTALL, "Select &All");
//初始化菜单项
UINT nUndo=(CanUndo() ? 0 : MF_GRAYED );
popmenu.EnableMenuItem(ID_RICH_UNDO, MF_BYCOMMAND|nUndo);
UINT nSel=((GetSelectionType()!=SEL_EMPTY) ? 0 : MF_GRAYED) ;
popmenu.EnableMenuItem(ID_RICH_CUT, MF_BYCOMMAND|nSel);
popmenu.EnableMenuItem(ID_RICH_COPY, MF_BYCOMMAND|nSel);
popmenu.EnableMenuItem(ID_RICH_CLEAR, MF_BYCOMMAND|nSel);
UINT nPaste=(CanPaste() ? 0 : MF_GRAYED) ;
popmenu.EnableMenuItem(ID_RICH_PASTE, MF_BYCOMMAND|nPaste);
//显示菜单
CPoint pt;
GetCursorPos(&pt);
popmenu.TrackPopupMenu(TPM_RIGHTBUTTON, pt.x, pt.y, this);
popmenu.DestroyMenu();
CRichEditCtrl::OnRButtonDown(nFlags, point);
}
void CRichTextCtrl::SetFont()
{
CHARFORMAT cf;
LOGFONT lf;
memset(&cf, 0, sizeof(CHARFORMAT));
memset(&lf, 0, sizeof(LOGFONT));
//判断是否选择了内容
BOOL m_bSelect = (GetSelectionType() != SEL_EMPTY) ? TRUE : FALSE;
if (m_bSelect)
{
GetSelectionCharFormat(cf);
}
else
{
GetDefaultCharFormat(cf);
}
//得到相关字体属性
BOOL bIsBold = cf.dwEffects & CFE_BOLD;
BOOL bIsItalic = cf.dwEffects & CFE_ITALIC;
BOOL bIsUnderline = cf.dwEffects & CFE_UNDERLINE;
BOOL bIsStrickout = cf.dwEffects & CFE_STRIKEOUT;
//设置属性
lf.lfCharSet = cf.bCharSet;
lf.lfHeight = cf.yHeight/15;
lf.lfPitchAndFamily = cf.bPitchAndFamily;
lf.lfItalic = bIsItalic;
lf.lfWeight = (bIsBold ? FW_BOLD : FW_NORMAL);
lf.lfUnderline = bIsUnderline;
lf.lfStrikeOut = bIsStrickout;
sprintf(lf.lfFaceName, cf.szFaceName);
CFontDialog dlg(&lf);
dlg.m_cf.rgbColors = cf.crTextColor;
if (dlg.DoModal() == IDOK)
{
dlg.GetCharFormat(cf);//获得所选字体的属性
if (m_bSelect)
SetSelectionCharFormat(cf); //为选定的内容设定所选字体
else
SetWordCharFormat(cf); //为将要输入的内容设定字体
}
}
void CRichTextCtrl::SetColor(COLORREF color)
{
CHARFORMAT cf;
cf.cbSize = sizeof(CHARFORMAT);
cf.dwMask = CFM_COLOR;
GetSelectionCharFormat(cf);
cf.crTextColor = color;
if( cf.dwEffects & CFE_AUTOCOLOR )
{ cf.dwEffects ^= CFE_AUTOCOLOR;
}
SetSelectionCharFormat(cf);
}
void CRichTextCtrl::SetJustify(void)
{
PARAFORMAT pf;
pf.cbSize = sizeof(PARAFORMAT);
pf.dwMask = PFM_ALIGNMENT;
pf.wAlignment = PFA_JUSTIFY;
SetParaFormat(pf); // Set the paragraph.
}
void CRichTextCtrl::SetWordWrap(const bool bOn, const int iLineWidth)
{
if( bOn )
SetTargetDevice(NULL, iLineWidth);
else
{
if( 0 == iLineWidth )
SetTargetDevice(NULL, 1);
else
SetTargetDevice(NULL, iLineWidth);
}
}
void CRichTextCtrl::InsertGraph(HBITMAP hBitmap)
{
STGMEDIUM stgm;
stgm.tymed = TYMED_GDI; // Storage medium = HBITMAP handle
stgm.hBitmap = hBitmap;
stgm.pUnkForRelease = NULL; // Use ReleaseStgMedium
FORMATETC fm;
fm.cfFormat = CF_BITMAP; // Clipboard format = CF_BITMAP
fm.ptd = NULL; // Target Device = Screen
fm.dwAspect = DVASPECT_CONTENT; // Level of detail = Full content
fm.lindex = -1; // Index = Not applicaple
fm.tymed = TYMED_GDI;
//创建输入数据源
IStorage *pStorage;
//分配内存
LPLOCKBYTES lpLockBytes = NULL;
SCODE sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
if (sc != S_OK)
AfxThrowOleException(sc);
ASSERT(lpLockBytes != NULL);
sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);
if (sc != S_OK)
{
VERIFY(lpLockBytes->Release() == 0);
lpLockBytes = NULL;
AfxThrowOleException(sc);
}
ASSERT(pStorage != NULL);
COleDataSource *pDataSource = new COleDataSource;
pDataSource->CacheData(CF_BITMAP, &stgm);
LPDATAOBJECT lpDataObject =
(LPDATAOBJECT)pDataSource->GetInterface(&IID_IDataObject);
//获取RichEdit的OLEClientSite
LPOLECLIENTSITE lpClientSite;
this->GetIRichEditOle()->GetClientSite( &lpClientSite );
//创建OLE对象
IOleObject *pOleObject;
sc = OleCreateStaticFromData(lpDataObject,IID_IOleObject,OLERENDER_FORMAT,
&fm,lpClientSite,pStorage,(void **)&pOleObject);
if(sc!=S_OK)
AfxThrowOleException(sc);
//插入OLE对象
REOBJECT reobject;
ZeroMemory(&reobject, sizeof(REOBJECT));
reobject.cbStruct = sizeof(REOBJECT);
CLSID clsid;
sc = pOleObject->GetUserClassID(&clsid);
if (sc != S_OK)
AfxThrowOleException(sc);
reobject.clsid = clsid;
reobject.cp = REO_CP_SELECTION;
reobject.dvaspect = DVASPECT_CONTENT;
reobject.poleobj = pOleObject;
reobject.polesite = lpClientSite;
reobject.pstg = pStorage;
HRESULT hr = this->GetIRichEditOle()->InsertObject( &reobject );
delete pDataSource;
}
void CRichTextCtrl::InsertGraph(CString strPicPath)
{
LPLOCKBYTES lpLockBytes = NULL;
SCODE sc;
HRESULT hr;
//print to RichEdit' s IClientSite
LPOLECLIENTSITE m_lpClientSite;
//A smart point to IAnimator
ImageOleLib::IGifAnimatorPtr m_lpAnimator;
//ptr 2 storage
LPSTORAGE m_lpStorage;
//the object 2 b insert 2
LPOLEOBJECT m_lpObject;
//Create lockbytes
sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
if (sc != S_OK)
AfxThrowOleException(sc);
ASSERT(lpLockBytes != NULL);
//use lockbytes to create storage
sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
STGM_SHARE_EXCLUSIVE |STGM_CREATE |STGM_READWRITE, 0, &m_lpStorage);
if (sc != S_OK)
{
VERIFY(lpLockBytes->Release() == 0);
lpLockBytes = NULL;
AfxThrowOleException(sc);
}
ASSERT(m_lpStorage != NULL);
//get the ClientSite of the very RichEditCtrl
this->GetIRichEditOle()->GetClientSite(&m_lpClientSite);
ASSERT(m_lpClientSite != NULL);
try
{
//Initlize COM interface
hr = ::CoInitialize(NULL) ;//( NULL, COINIT_APARTMENTTHREADED );
if( FAILED(hr) )
_com_issue_error(hr);
//Get GifAnimator object
//here, I used a smart point, so I do not need to free it
hr = m_lpAnimator.CreateInstance(ImageOleLib::CLSID_GifAnimator);
if( FAILED(hr) )
_com_issue_error(hr);
//COM operation need BSTR, so get a BSTR
BSTR path = strPicPath.AllocSysString();
//Load the gif
hr = m_lpAnimator->LoadFromFile(path);
if( FAILED(hr) )
_com_issue_error(hr);
TRACE0( m_lpAnimator->GetFilePath() );
//get the IOleObject
hr = m_lpAnimator.QueryInterface(IID_IOleObject, (void**)&m_lpObject);
if( FAILED(hr) )
_com_issue_error(hr);
//Set it 2 b inserted
OleSetContainedObject(m_lpObject, TRUE);
//2 insert in 2 richedit, you need a struct of REOBJECT
REOBJECT reobject;
ZeroMemory(&reobject, sizeof(REOBJECT));
reobject.cbStruct = sizeof(REOBJECT);
CLSID clsid;
sc = m_lpObject->GetUserClassID(&clsid);
if (sc != S_OK)
AfxThrowOleException(sc);
//set clsid
reobject.clsid = clsid;
//can be selected
reobject.cp = REO_CP_SELECTION;
//content, but not static
reobject.dvaspect = DVASPECT_CONTENT;
//goes in the same line of text line
reobject.dwFlags = REO_BELOWBASELINE; //REO_RESIZABLE |
reobject.dwUser = ( DWORD )m_lpAnimator; //Save Animator
//the very object
reobject.poleobj = m_lpObject;
//client site contain the object
reobject.polesite = m_lpClientSite;
//the storage
reobject.pstg = m_lpStorage;
SIZEL sizel;
sizel.cx = sizel.cy = 0;
reobject.sizel = sizel;
HWND hWndRT = this->m_hWnd;
this->GetIRichEditOle()->InsertObject(&reobject);
::SendMessage(hWndRT, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
VARIANT_BOOL ret;
//do frame changing
ret = m_lpAnimator->TriggerFrameChange();
//show it
m_lpObject->DoVerb(OLEIVERB_UIACTIVATE, NULL, m_lpClientSite, 0, hWndRT, NULL);
m_lpObject->DoVerb(OLEIVERB_SHOW, NULL, m_lpClientSite, 0, hWndRT, NULL);
//redraw the window to show animation
this->RedrawWindow();
if (m_lpClientSite)
{
m_lpClientSite->Release();
m_lpClientSite = NULL;
}
if (m_lpObject)
{
m_lpObject->Release();
m_lpObject = NULL;
}
if (m_lpStorage)
{
m_lpStorage->Release();
m_lpStorage = NULL;
}
SysFreeString(path);
}
catch( _com_error e )
{
AfxMessageBox(e.ErrorMessage());
::CoUninitialize();
}
}
/////////////////////////////////////////////
#if !defined(AFX_RICHTEXTCTRL_H__23EF1C6E_820D_4C94_A980_4EC63A4650DA__INCLUDED_)
#define AFX_RICHTEXTCTRL_H__23EF1C6E_820D_4C94_A980_4EC63A4650DA__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// RichTextCtrl.h : header file
//
///////////定义消息ID/////////////////////////
#define ID_RICH_UNDO 101
#define ID_RICH_CUT 102
#define ID_RICH_COPY 103
#define ID_RICH_PASTE 104
#define ID_RICH_CLEAR 105
#define ID_RICH_SELECTALL 106
#define ID_RICH_SETFONT 107
/////////////////////////////////////////////////////////////////////////////
// CRichTextCtrl window
class CRichTextCtrl : public CRichEditCtrl
{
// Construction
public:
CRichTextCtrl();
// Attributes
public:
// Operations
public:
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CRichEditCtrl)
//}}AFX_VIRTUAL
// Implementation
public:
void InsertGraph( CString strPicPath );
void InsertGraph(HBITMAP hBitmap );
void SetWordWrap(const bool bOn=true, const int iLineWidth=0);
void SetColor(COLORREF color);
void SetFont();
void SetJustify(void);
virtual ~CRichTextCtrl();
// Generated message map functions
protected:
//{{AFX_MSG(CRichTextCtrl)
afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
afx_msg void OnCopy() { Copy(); }
afx_msg void OnCut() { Cut(); }
afx_msg void OnPaste() { Paste(); }
afx_msg void OnSelectall() { SetSel(0, -1); }
afx_msg void OnUndo() { Undo(); }
afx_msg void OnClear() { Clear(); }
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
/////////////////////////////////////////////////////////////////////////////
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_RICHTEXTCTRL_H__23EF1C6E_820D_4C94_A980_4EC63A4650DA__INCLUDED_)