//-------------------------------------------------------------------------------------------
// This public member function opens file with the given name in the Developer Studio
// and highlights the siven line. It also gives focus to the Developer Studio.
//-------------------------------------------------------------------------------------------
bool CCommands::MakeSelection(CString& file, int line, int col, int len) {
ITextDocument* iDocument;
IDocuments* iDocuments;
ITextSelection* iSelection;
// First, check if the given file exists. (Developer Studio will hang for a while
// trying to open non-existing file).
if(_access(file,04)==-1) return false;
// Get document collection from the application object.
if(m_pApplication->get_Documents((IDispatch **)&iDocuments)!=S_OK)
return false;
if(iDocuments==NULL) return false;
// Open new document and add it to the documents collection (if not exists).
VARIANT varType;
varType.vt = VT_BSTR;
varType.bstrVal=CString("Auto").AllocSysString();
VARIANT varReadonly;
varReadonly.vt = VT_BOOL;
varReadonly.boolVal = FALSE;
if(iDocuments->Open(file.AllocSysString(),varType,varReadonly,(IDispatch **)&iDocument)!=S_OK) {
iDocuments->Release();
return false;
}
// We do not need documents collection any more
iDocuments->Release();
if(iDocument==NULL) return false;
// Get text selection from the current document
if(iDocument->get_Selection((IDispatch **)&iSelection)!=S_OK) return false;
// We do not need document object any more.
iDocument->Release();
if(iSelection==NULL) return false;
// Move to the first position in the given line
VARIANT selAct;
selAct.vt = VT_INT;
selAct.intVal = dsMove;
iSelection->MoveTo(line,1,selAct);
VARIANT repCount;
repCount.vt = VT_INT;
repCount.intVal = col-1;
iSelection->CharRight(selAct, repCount);
// Move to the end of this line in "Shift key pressed" mode.
selAct.intVal = dsExtend;
repCount.intVal = len;
iSelection->CharRight(selAct, repCount);
// We do not need text selection object any more
iSelection->Release();
// Pop-up MSDEV application.
m_pApplication->put_Active(VARIANT_TRUE);
return true;
}
bool tomEditCallback::PrepareClipboardData()
{
m_text_packer.Clear() ;
m_html_packer.Clear() ;
bool res = false ;
// 获得当前选择图文
IRichEditOle * edit_ole = m_edit->GetIRichEditOle() ;
if (edit_ole != NULL)
{
ITextDocument * doc = NULL ;//IID_ITextDocument //__uuidof(ITextDocument)
GUID guid = __uuidof(ITextDocument) ;
if (S_OK == edit_ole->QueryInterface(__uuidof(ITextDocument), (void**)&doc) && doc != NULL) // 不知道多判断一个!= NULL是不是脱裤子放屁
{
ITextSelection * sel = NULL ;
if (S_OK == doc->GetSelection(&sel) && sel != NULL)
{
//BSTR * sel_text ;
long sel_start = 0 ;
sel->GetStart(&sel_start) ;
BSTR sel_text ;
if (S_OK == sel->GetText(&sel_text)) // 用完后要负责释放sel_text
{
// 遍历
long i ;
std::wstring text_temp ;
for (i = 0 ; sel_text[i] != 0 ; ++ i)
{
if (sel_text[i] == WCH_EMBEDDING)
{
if (!text_temp.empty())
{
m_text_packer.Append(Clipboard::Ele_Text, text_temp) ;
m_html_packer.Append(Clipboard::Ele_Text, text_temp) ;
text_temp.clear() ;
}
// 获得对象
REOBJECT ro ;
ro.cbStruct = sizeof(ro) ;
ro.cp = sel_start + i ;
if (S_OK == edit_ole->GetObject(REO_IOB_USE_CP, &ro, REO_GETOBJ_POLEOBJ))
{
IClipboardDataObject * cdo = NULL ;
if (S_OK == ro.poleobj->QueryInterface(IID_IClipboardDataObject, (void**)&cdo))
{
std::wstring text_data ;
if (cdo->QueryTextStreamClipboardData(Clipboard::Text, text_data))
{
m_text_packer.Append(Clipboard::Ele_Image, text_data) ;
}
std::wstring html_data ;
if (cdo->QueryTextStreamClipboardData(Clipboard::Html, html_data))
{
m_html_packer.Append(Clipboard::Ele_Image, html_data) ;
}
cdo->Release() ;
}
ro.poleobj->Release() ;
}
}
else
{
text_temp.append(1, (wchar_t)(sel_text[i])) ;
}
}
if (!text_temp.empty())
{
m_text_packer.Append(Clipboard::Ele_Text, text_temp) ;
m_html_packer.Append(Clipboard::Ele_Text, text_temp) ;
text_temp.clear() ;
}
SysFreeString(sel_text) ;
res = true ;
}
sel->Release() ;
}
doc->Release() ;
}
}
return res ;
}
//------------------------------------------------------------------------------
// This function fills file name, line number and ending column number
// for the selected token as well as a token itself.
//------------------------------------------------------------------------------
bool CCommands::getSelection(CComBSTR& file, CComBSTR& token, long& offset, long& line, long& column) {
ITextDocument* iDocument;
ITextSelection* iSelection;
// Getting the currently opened document object.
if(m_pApplication->get_ActiveDocument((IDispatch **)&iDocument)!=S_OK)
return false;
if(iDocument==NULL) return false;
// Reading the file name
BSTR bstrName;
iDocument->get_FullName(&bstrName);
file=bstrName;
// Getting text selection object from the active document
if(iDocument->get_Selection((IDispatch **)&iSelection)!=S_OK)
return false;
// We do not need active document object any more.
iDocument->Release();
if(iSelection==NULL) return false;
// Reading currently selected token
BSTR bstrToken;
if(iSelection->get_Text(&bstrToken)!=S_OK)
return false;
token = bstrToken;
long size = token.Length();
if(iSelection->get_TopLine(&line)!=S_OK) return false;
if(iSelection->get_CurrentColumn(&column)!=S_OK) return false;
VARIANT selMove;
selMove.vt = VT_INT;
selMove.intVal = dsMove;
VARIANT selExtend;
selExtend.vt = VT_INT;
selExtend.intVal = dsExtend;
VARIANT repCount;
repCount.vt = VT_INT;
repCount.intVal = 1;
// To determine which end of the selection the cursor is at,
// we extend the selection one character left from the cursor
// and see whether the selection has gotten longer or shorter.
bool cursor_at_right_end = true;
if (column <= 1)
{
cursor_at_right_end = false;
}
else
{
long newsize;
iSelection->CharLeft(selExtend, repCount);
if(iSelection->get_Text(&bstrToken)==S_OK)
{
CComBSTR newToken = bstrToken;
newsize = newToken.Length();
if (newsize > size)
{
// If extending left increases the size, the
// cursor must be at the left end.
cursor_at_right_end = false;
}
}
iSelection->CharRight(selExtend, repCount);
}
// Calculating column in file characters, not in screen
// position (detecting tabs)
long lineOffset = 0;
long tempColumn = column;
while (tempColumn > 1) {
iSelection->CharLeft(selMove, repCount);
iSelection->get_CurrentColumn(&tempColumn);
lineOffset++;
}
// Restoring selection after calculation:
// First, go to the end without the cursor
if (cursor_at_right_end)
{
iSelection->MoveTo(line, column-size, selMove);
}
else // Cursor at left end of selection
{
iSelection->MoveTo(line, column+size, selMove);
}
// Now make the selection
iSelection->MoveTo(line, column, selExtend);
iSelection->Release();
column = lineOffset;
if(size!=0)
column--;
offset = -1; // can not determine the offset
return true;
}
