win32textpeer.cpp

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		throw RuntimeException( "Unable to get ITextDocument interface! Can't create Text Peer implementation!" );
	}

	textDocument_->AddRef();

	unk->QueryInterface( IID_ITextServices, (void**)&textSvcs_ );

	if ( NULL == textSvcs_ ) {
		throw RuntimeException( "Unable to get ITextServices interface! Can't create Text Peer implementation!" );
	}

	textSvcs_->AddRef();

	unk->Release();
}

void Win32TextPeer::initHostDefaultStyle( Font* font )
{
	String name = font->getName();
	name.copy( host_->charFmt_.szFaceName, name.size() );

	Color* color = font->getColor();
	host_->charFmt_.crTextColor = color->getColorRef32();


	host_->charFmt_.yHeight = font->getPointSize();

	if ( font->getBold() ) {
		host_->charFmt_.dwEffects |= CFE_BOLD;
	}
	else {
		host_->charFmt_.dwEffects &= ~CFE_BOLD;
	}


	if ( font->getUnderlined() ) {
		host_->charFmt_.dwEffects |= CFE_ITALIC;
	}
	else {
		host_->charFmt_.dwEffects &= ~CFE_ITALIC;
	}

	if ( font->getStrikeOut() ) {
		host_->charFmt_.dwEffects |= CFE_STRIKEOUT;
	}
	else {
		host_->charFmt_.dwEffects &= ~CFE_STRIKEOUT;
	}

	if ( font->getUnderlined() ) {
		host_->charFmt_.dwEffects &= ~CFE_UNDERLINE;
	}
	else {
		host_->charFmt_.dwEffects |= CFE_UNDERLINE;
	}

}

OSHandleID Win32TextPeer::getTextObjectHandle()
{
	OSHandleID result ;

	IUnknown* unk = (IUnknown*)textDocument_;

	result = (OSHandleID) unk;

	return result;
}

//storage
void Win32TextPeer::insertText( unsigned int start, const String& text )
{
	ITextRange* range;
	textDocument_->Range( start, start, &range );
	if ( NULL != range ) {
		BSTR str = SysAllocStringLen( text.c_str(), text.length() );

		HRESULT hr = range->SetText( str );

		SysFreeString( str );

		range->Release();
	}
}

void Win32TextPeer::deleteText( unsigned int start, unsigned int length )
{
	ITextRange* range;
	textDocument_->Range( start, start+length, &range );
	if ( NULL != range ) {

		HRESULT hr = range->Delete( tomCharacter, 0, NULL );

		range->Release();
	}
}

unsigned int Win32TextPeer::getTextLength()
{
	unsigned int result = 0;
	ITextRange* range;
	textDocument_->Range( 0, 0, &range );
	if ( NULL != range ) {
		long len = 0;
		range->GetStoryLength( &len );

		result = len;

		range->Release();
	}

	return result;
}

String Win32TextPeer::getText( unsigned int start, unsigned int length )
{
	String result;
	ITextRange* range;
	textDocument_->Range( start, start+length, &range );
	if ( NULL != range ) {
		BSTR str = SysAllocString( NULL );
		range->GetText( &str );

		result.assign( str, SysStringLen(str) );

		SysFreeString( str );

		range->Release();
	}
	return result;
}

void Win32TextPeer::paint( GraphicsContext* context, const Rect& paintRect )
{
	HDC dc = (HDC)context->getPeer()->getContextID();

	RECTL rect;
	rect.left = paintRect.left_ + margins_.left_;
	rect.top = paintRect.top_ + margins_.top_;
	rect.right = paintRect.right_ - margins_.right_;
	rect.bottom = paintRect.bottom_ - margins_.bottom_;

	textSvcs_->TxDraw(
						DVASPECT_CONTENT,  		// Draw Aspect
						0,						// Lindex
						NULL,					// Info for drawing optimization
						NULL,					// target device information
						dc,				// Draw device HDC
						0,			 	   	// Target device HDC
						(RECTL*) &rect,			// Bounding client rectangle
						NULL,					// Clipping rectangle for metafiles
						NULL,			// Update rectangle
						NULL, 	   				// Call back function
						NULL,					// Call back parameter
						TXTVIEW_INACTIVE);		// What view of the object could be TXTVIEW_ACTIVE

}

void Win32TextPeer::setRightMargin( const double & rightMargin )
{
	margins_.right_ = rightMargin;
}

void Win32TextPeer::setLeftMargin( const double & leftMargin )
{
	margins_.left_ = leftMargin;
}

void Win32TextPeer::setTopMargin( const double & topMargin )
{
	margins_.top_ = topMargin;
}

void Win32TextPeer::setBottomMargin( const double & bottomMargin )
{
	margins_.bottom_ = bottomMargin;
}

double Win32TextPeer::getLeftMargin()
{
	return margins_.left_;
}

double Win32TextPeer::getRightMargin()
{
	return margins_.right_;
}

double Win32TextPeer::getTopMargin()
{
	return margins_.top_;
}

double Win32TextPeer::getBottomMargin()
{
	return margins_.bottom_;
}

unsigned long Win32TextPeer::getLineCount()
{
	unsigned long result = 0;
	ITextRange* range = NULL;
	textDocument_->Range( 0, 0, &range );
	if ( NULL != range ) {
		long len = 0;
		range->GetStoryLength( &len );
		range->SetEnd ( len );
		HRESULT hr = range->MoveStart( tomLine, 1, NULL );
		while ( S_OK == hr ) {
			result ++;
			hr = range->MoveStart( tomLine, 1, NULL );
		}

		range->Release();
	}

	return result;
}

Rect Win32TextPeer::getContentBoundsForWidth(const double& width)
{
	Rect result;
	long w;
	long h;
	w = width;
	h = 1;
	SIZEL sz;
	sz.cx = w;
	sz.cy = h;

	HDC dc = GetDC( GetDesktopWindow() );
	HRESULT hr = textSvcs_->TxGetNaturalSize( DVASPECT_CONTENT, dc, NULL, NULL,
								TXTNS_FITTOCONTENT, &sz, &w, &h );

	ReleaseDC( GetDesktopWindow(), dc );

	result.bottom_ = result.top_ + h;
	result.right_ = result.left_ + w;


	return result;
}

void Win32TextPeer::getStyle( unsigned int start, unsigned int length, Dictionary& styles, Color& color )
{
	String result;
	ITextRange* range = NULL;
	textDocument_->Range( start, start+length, &range );
	if ( NULL != range ) {
		ITextFont* font = NULL;
		ITextPara* para = NULL;
		range->GetFont( &font );
		range->GetPara( &para );

		if ( (NULL != font) && (NULL != para) ) {
			BSTR str = SysAllocString( NULL );
			styles[ Text::fsFontName ] = font->GetName( &str );
			SysFreeString( str );

			long val;

			font->GetForeColor( &val );
			color.setColorRef32( val );
			styles[ Text::fsColor ] = (Object*)&color; // color cannot be a temporary

			float size = 0;
			font->GetSize( &size );
			styles[ Text::fsPointSize ] = (double)size;

			font->GetBold( &val );
			styles[ Text::fsBold ] = ( tomTrue == val ) ? true : false;

			font->GetItalic( &val );
			styles[ Text::fsItalic ] = ( tomTrue == val ) ? true : false;

			font->GetStrikeThrough( &val );
			styles[ Text::fsStrikeout ] = ( tomTrue == val ) ? true : false;

			Text::UnderlineTypes underline = Text::utNone;
			font->GetUnderline( &val );
			switch ( (int)val ) {
				case tomNone : {
					underline = Text::utNone;
				}
				break;

				case tomSingle : {
					underline = Text::utSingle;
				}
				break;

				case tomDouble : {
					underline = Text::utDouble;
				}
				break;

				case tomDotted : {
					underline = Text::utDotted;
				}
				break;
			}
			styles[ Text::fsUnderlined ] = underline;


			font->Release();
		}

		if ( NULL != para ) {
			Text::ParagraphAlignment alignment = Text::paLeft;
			long val = 0;
			para->GetAlignment( &val );

			switch ( (int)val ) {
				case tomAlignLeft : {
					alignment = Text::paLeft;
				}
				break;

				case tomAlignCenter : {
					alignment = Text::paCenter;
				}
				break;

				case tomAlignRight : {
					alignment = Text::paRight;
				}
				break;

				case tomAlignJustify : {
					alignment = Text::paJustified;
				}
				break;
			}
			styles[ Text::psAlignment ] = alignment;


			para->Release();
		}

		range->Release();
	}
}

void Win32TextPeer::setStyle( unsigned int start, unsigned int length, Dictionary& styles )
{
	String result;
	ITextRange* range = NULL;
	textDocument_->Range( start, start+length, &range );
	if ( NULL != range ) {
		ITextFont* font = NULL;
		ITextPara* para = NULL;
		range->GetFont( &font );
		range->GetPara( &para );

		Dictionary::Enumerator* items = styles.getEnumerator();

		if ( (NULL != font) && (NULL != para) ) {
			while ( items->hasMoreElements() ) {
				Dictionary::pair style = items->nextElement();

				if ( style.first == Text::fsFontName ) {
					String s = style.second;
					BSTR name = SysAllocStringLen( s.c_str(), s.length() );
					font->SetName( name );
					SysFreeString( name );
				}
				else if ( style.first == Text::fsColor ) {
					Color* color = (Color*)(Object*)style.second;
					VCF_ASSERT( NULL != color );

					font->SetForeColor( color->getColorRef32() );

				}
				else if ( style.first == Text::fsPointSize ) {

					double val = style.second;
					font->SetSize( val );
				}
				else if ( style.first == Text::fsBold ) {
					long val = ((bool)style.second) ? tomTrue : tomFalse;
					font->SetBold( val );
				}
				else if ( style.first == Text::fsItalic ) {
					long val = ((bool)style.second) ? tomTrue : tomFalse;
					font->SetItalic( val );
				}
				else if ( style.first == Text::fsStrikeout ) {
					long val = ((bool)style.second) ? tomTrue : tomFalse;
					font->SetStrikeThrough( val );
				}
				else if ( style.first == Text::fsUnderlined ) {
					long val = tomNone;
					switch ( (int)style.second ) {
						case Text::utNone : {
							val = tomNone;
						}
						break;

						case Text::utSingle : {
							val = tomSingle;
						}
						break;

						case Text::utDouble : {
							val = tomDouble;
						}
						break;

						case Text::utDotted : {
							val = tomDotted;
						}
						break;
					}
					font->SetUnderline( val );
				}
				else if ( style.first == Text::psAlignment ) {
					int alignment = style.second;

					long val = 0;

					switch ( alignment ) {
						case Text::paLeft : {
							val = tomAlignLeft;
						}
						break;

						case Text::paCenter : {
							val = tomAlignCenter;
						}
						break;

						case Text::paRight : {
							val = tomAlignRight;
						}
						break;

						case Text::paJustified : {
							val = tomAlignJustify;
						}
						break;
					}
					para->SetAlignment( val );
				}
			}

			para->Release();
			font->Release();
		}

		range->Release();
	}
}

void Win32TextPeer::setDefaultStyle( Dictionary&  styles )
{
	if ( NULL == host_ ) {
		return;
	}


	Dictionary::Enumerator* items = styles.getEnumerator();

	while ( items->hasMoreElements() ) {
		Dictionary::pair style = items->nextElement();

		if ( style.first == Text::fsFontName ) {
			String s = style.second;
			s.copy( host_->charFmt_.szFaceName, s.size() );
		}
		else if ( style.first == Text::fsColor ) {
			Color* color = (Color*)(Object*)style.second;
			VCF_ASSERT( NULL != color );

			host_->charFmt_.crTextColor = color->getColorRef32();
		}
		else if ( style.first == Text::fsPointSize ) {
			double val = style.second;
			host_->charFmt_.yHeight = val;
		}
		else if ( style.first == Text::fsBold ) {
			if ( (bool)style.second ) {
				host_->charFmt_.dwEffects |= CFE_BOLD;
			}
			else {
				host_->charFmt_.dwEffects &= ~CFE_BOLD;
			}
		}
		else if ( style.first == Text::fsItalic ) {
			if ( (bool)style.second ) {
				host_->charFmt_.dwEffects |= CFE_ITALIC;
			}
			else {
				host_->charFmt_.dwEffects &= ~CFE_ITALIC;
			}
		}
		else if ( style.first == Text::fsStrikeout ) {
			if ( (bool)style.second ) {
				host_->charFmt_.dwEffects |= CFE_STRIKEOUT;
			}
			else {
				host_->charFmt_.dwEffects &= ~CFE_STRIKEOUT;
			}
		}
		else if ( style.first == Text::fsUnderlined ) {
			int underline = style.second;
			if ( Text::utNone == underline ) {
				host_->charFmt_.dwEffects &= ~CFE_UNDERLINE;
			}
			else {
				host_->charFmt_.dwEffects |= CFE_UNDERLINE;
			}
		}
		else if ( style.first == Text::psAlignment ) {
			int alignment = style.second;

			switch ( alignment ) {
				case Text::paLeft : {
					host_->paraFmt_.wAlignment = PFA_LEFT;
				}
				break;

				case Text::paCenter : {
					host_->paraFmt_.wAlignment = PFA_CENTER;
				}
				break;

				case Text::paRight : {
					host_->paraFmt_.wAlignment = PFA_RIGHT;
				}
				break;

				case Text::paJustified : {
					//not supported!
					//host_->paraFmt_.wAlignment = PFA_RIGHT;
				}
				break;
			}
		}
	}

}


/**
*CVS Log info
*$Log$
*Revision 1.3  2006/04/07 02:35:26  ddiego
*initial checkin of merge from 0.6.9 dev branch.
*
*Revision 1.2.2.1  2005/10/07 19:31:53  ddiego
*merged patch 1315995 and 1315991 into dev repos.
*
*Revision 1.2  2005/07/09 23:14:58  ddiego
*merging in changes from devmain-0-6-7 branch.
*
*Revision 1.1.2.12  2005/07/05 03:34:35  marcelloptr
*minor bug fixed
*
*Revision 1.1.2.11  2005/06/26 01:31:20  marcelloptr
*improvements to the Color class. The default, when packing the components into a single integer, is now cpsARGB instead than cpsABGR.
*
*Revision 1.1.2.10  2005/06/25 19:50:49  marcelloptr
*forgotten MP mark
*
*Revision 1.1.2.9  2005/06/09 07:18:25  marcelloptr
*simpler and more useful use of Color class with ctor and getters/setters
*
*Revision 1.1.2.6  2005/06/07 17:31:29  marcelloptr
*added missed getStyle() function. Fixed underline text that couldn't be removed once introduced.
*
*/