mghtmlview.cpp

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			{
				case SB_LINEUP:
					if (view->m_yOffset <= 0)
						break;
					h = -20;
					if (view->m_yOffset + h <= 0)
						h = -view->m_yOffset;
					view->m_yOffset += h;
					SetScrollPos (view->getHwnd(), SB_VERT, view->m_yOffset);
					break;
				case SB_LINEDOWN:
					if (view->m_yOffset + view->visibleHeight () >= view->m_clntSize.height ())
						break;
					h = 20;
					if (view->m_yOffset + h + view->visibleHeight() >= view->m_clntSize.height() )
						h = view->m_clntSize.height() - view->visibleHeight() - view->m_yOffset;
					view->m_yOffset += h;
					SetScrollPos( view->getHwnd(), SB_VERT, view->m_yOffset );
					 break;
				case SB_PAGEUP:
					if( view->m_yOffset <= 0 )
						break;
					h = -180;
					if (view->m_yOffset + h <= 0)
						h = -view->m_yOffset;
					view->m_yOffset += h;
					SetScrollPos( view->getHwnd(), SB_VERT, view->m_yOffset );
					break;
				case SB_PAGEDOWN:
					if( view->m_yOffset+view->visibleHeight() >= view->m_clntSize.height() )
						break;
					h = 180;
					if (view->m_yOffset + h + view->visibleHeight() >= view->m_clntSize.height() )
						h = view->m_clntSize.height() - view->visibleHeight() - view->m_yOffset;
					view->m_yOffset += h;
					SetScrollPos( view->getHwnd(), SB_VERT, view->m_yOffset );
					break;
				case SB_THUMBTRACK:
					h = LOWORD (lParam) - view->m_yOffset;
					if (h)
				   	{
						view->m_yOffset = LOWORD(lParam);
						SetScrollPos( view->getHwnd(), SB_VERT, view->m_yOffset );
					}
					break;
			}
			if (h)
			{
				ScrollWindow (view->getHwnd(), 0, -h, NULL, NULL);
				view->m_part->m_isMoved = true;
			}
			break;
		case MSG_HSCROLL:
			switch( wParam )
	   		{
				case SB_LINELEFT:
					if( view->m_xOffset <= 0 )
						break;
					w = -20;
					if (view->m_xOffset + w <= 0)
						h = -view->m_xOffset;
					view->m_xOffset += w;
					SetScrollPos( view->getHwnd(), SB_HORZ, view->m_xOffset );
					break;
				case SB_LINERIGHT:
					if (view->m_xOffset+view->visibleWidth() >= view->m_clntSize.width())
						break;
					w = 20;
					if (view->m_xOffset + w + view->visibleWidth() >= view->m_clntSize.width() )
						w = view->m_clntSize.width() - view->visibleWidth() - view->m_xOffset;
					view->m_xOffset += w;
					SetScrollPos( view->getHwnd(), SB_HORZ, view->m_xOffset );
					break;																				
				case SB_PAGELEFT:
					if( view->m_xOffset <= 0 )
						break;
					w = -180;
					if (view->m_xOffset + w <= 0)
						w = -view->m_xOffset;
					view->m_xOffset += w;
					SetScrollPos( view->getHwnd(), SB_HORZ, view->m_xOffset );
					break;
				case SB_PAGERIGHT:
					if (view->m_xOffset+view->visibleWidth() >= view->m_clntSize.width())
						break;
					w = 180;
					if (view->m_xOffset + w + view->visibleWidth() >= view->m_clntSize.width() )
						w = view->m_clntSize.width() - view->visibleWidth() - view->m_xOffset;
					view->m_xOffset += w;
					SetScrollPos( view->getHwnd(), SB_HORZ, view->m_xOffset );
					break;
				case SB_THUMBTRACK:
					w = LOWORD (lParam) - view->m_xOffset;
					if (w)
					{
						view->m_xOffset = LOWORD(lParam);
						SetScrollPos( view->getHwnd(), SB_HORZ, view->m_xOffset );
					}
					break;
			}
			if (w)
			{
				ScrollWindow (view->getHwnd(), -w, 0, NULL, NULL);
				view->m_part->m_isMoved = true;
			}
			break;
		case MSG_LBUTTONDOWN:
			view->OnMousePressEvent (LOWORD (lParam), HIWORD (lParam), wParam);
			break;
		case MSG_MOUSEMOVE:
			view->OnMouseMoveEvent (LOWORD (lParam), HIWORD (lParam), wParam);
			break;
		case MSG_LBUTTONUP:
			view->OnMouseReleaseEvent(LOWORD (lParam), HIWORD (lParam), wParam);
			break;
		case MSG_KEYDOWN:
			view->OnKeyPressEvent (LOWORD (wParam), lParam);
			break;
		case MSG_SETCURSOR:
			return 0;
		case MSG_LBUTTONDBLCLK:
			break;
		case MSG_COMMAND:
			{
				int id = LOWORD(wParam);
				int code = HIWORD(wParam);
				MGWidget * dw = (MGWidget *)GetWindowAdditionalData( GetDlgItem(hWnd,id) );
				if ( dw )
					dw -> ProcNotification( code );
				break;
			}
		case MSG_CLOSE:
			DestroyAllControls(hWnd);
			return 0;
		case MSG_DESTROY:
			DestroyAllControls(hWnd);
			break;
		case MSG_TIMER:
#ifdef JAVASCRIPT_ENABLE
			TimerEvaluateJavaScript(&(view->m_JSContext),&(view->m_JSObject),view,wParam);
#endif
			return 0;
		case MSG_OPENURL:
			if(view->part()->parentPart() == NULL && wParam == 0)
			{
				SetAddressForBar((char *)(view->m_windowurl.url().latin1()));
				int length = strlen((char *)(view->m_windowurl.url().latin1()));
				char * tempchar = (char *)malloc(length + 1);
				memcpy(tempchar, (char *)(view->m_windowurl.url().latin1()), length);
				tempchar[length] = '\0';
				addresslist.append(tempchar);
			}
				
			
			if(!view->m_windowurl.isValid())
			{
				view->openURLFromBuffer("<html> <head></head> <body> <H1>Warning: <H1> Invalid URL !!!</body> </html>");
				break;
			}
			if(view->m_windowurl.isLocalFile())
			{
				view->filename = view->m_windowurl.path(); 
				view->openURL();
			}
			else
			{
				//RemoveWndJob(hWnd);
				temp = (JobElement *)malloc(sizeof( JobElement));
				temp->hWndFrom = hWnd;
				temp->strURL = (unsigned char *)malloc(MAX_PATH);
				sprintf((char *)temp->strURL, (const char *)(view->m_windowurl.url().latin1()));
								
				temp->strBuffer = NULL;
				temp->strLibBuffer = NULL;
				temp->strMethod = (unsigned char *)"get";
				temp->next = NULL;
				temp->nType = 0;
				temp->strLength=0;
				AddJobToQueue(temp);
			}
			
			break;
		case MSG_URLREADY:
			temp = (JobElement *)lParam;
			if(temp->nType)
				view->LoadedMsgFromNet(temp->strURL,temp->strBuffer,temp->strLength,temp->nType);
			else{
				view->openURLFromBuffer((char *)temp->strBuffer);
			}
			RemoveJob(temp);
			break;
				
		case MSG_SUBMITURL:
			temp = (JobElement *)malloc(sizeof( JobElement));
			temp->hWndFrom = hWnd;
			temp->strURL = (unsigned char *)malloc(strlen((char*)wParam)+1);
			strcpy((char *)(temp->strURL), (const char*)wParam);
			temp->strBuffer = NULL;
			temp->strLibBuffer = NULL;
			if(!lParam)
				temp->strMethod=(unsigned char *)"get";
			else
				temp->strMethod=(unsigned char *)"post";
			temp->next = NULL;
			temp->nType = 0;
			temp->strLength=0;
			AddJobToQueue(temp);
			break;
		case MSG_REQUESTCACHEURL:
			temp = (JobElement *)malloc(sizeof( JobElement));
			temp->hWndFrom = hWnd;
			temp->strURL = (unsigned char *)malloc(strlen((char*)wParam)+1);
			sprintf((char *)(temp->strURL), (const char*)wParam);
			temp->strBuffer = NULL;
			temp->strLibBuffer = NULL;
			temp->strMethod = (unsigned char *)"get";
			temp->next = NULL;
			temp->nType = (int)lParam;
			temp->strLength=0;
#if DEBUG_BY_XHTANG
	fprintf(stderr,"MSG_REQUESTCACHEURL u:%s\n",temp->strURL);
#endif	
			AddJobToQueue(temp);
			break;
		case MSG_IMAGELAYOUT:
			view->layout();
			InvalidateRect(hWnd,0,0);
			break;

#ifdef JAVASCRIPT_ENABLE
		case MSG_SCRIPTDATAPROCESSED:
			view->ScriptDataProcessed();
			break;
#endif
	}
	return DefaultControlProc( hWnd, message, wParam, lParam );
}

void ShowChild( khtml::RenderObject *parent, bool show )
{

	if(parent == NULL)
		return;
	khtml::RenderObject *child = parent->firstChild();
	while( child )
	{
		if( child->isWidget() )
		{
			khtml::RenderWidget *widget = static_cast<khtml::RenderWidget*>(child);
			if( !widget->isFrame() )
			{
				if( show )
				{
					if( widget->m_widget->isVisible() )
					{
						widget->m_widget->show();
					}
				}
				else
				{
					widget->m_widget->setVisible( false );
					widget->m_widget->hide();
				}
			}
		}
		ShowChild( child, show );
		child = child->nextSibling();
	}
}
bool MGHTMLView::LoadedMsgFromNet(unsigned char *url,unsigned char *buf,int len,int nType)
{		
	return m_doc->docLoader()->LoadedMsgFromNet(url,buf,len,nType);
}		
void MGHTMLView::ShowChildWidget( bool show )
{
	if(m_doc == NULL)
		return;
	ShowChild( m_doc->renderer(), show );
}


void MGHTMLView::resizeContents( int w, int h )
{
	m_clntSize.setWidth( w );
	m_clntSize.setHeight( h );
}

void MGHTMLView::updateContents( int x, int y, int w, int h )
{

#if 0
	RECT rect, rectClient;
	GetClientRect( m_hWnd, &rectClient );

	rect.left   =   x >= 0 ? x : 0;
	rect.top    =   y >= 0 ? y : 0;
	rect.right  =   x+w-1 <= rectClient.right ? x+w-1 : rectClient.right;
	rect.bottom =   y+h-1 <= rectClient.bottom ? y+h-1 : rectClient.bottom;

	if( rect.left >= rect.right || rect.top >= rect.bottom )
		return;
#else
    RECT rect;

	rect.left   =   x;
	rect.top    =   y;
	rect.right  =   x + w;
	rect.bottom =   y + h;
#endif

	InvalidateRect( m_hWnd, &rect, true );
}

void MGHTMLView::repaintContents( int x, int y, int w, int h, bool )
{
	updateContents( x, y, w, h );
}

void MGHTMLView::addChild( MGWidget *child, int x, int y )
{
	//child->moveWindow( x, y );
}

MGHTMLPart * MGHTMLView::getPart()
{
	return m_part;
}

bool MGHTMLView::openURLFromBuffer(char *buf)
{
	if(m_part->IsNewURL(m_windowurl))
	{
		m_part->openURL(m_windowurl);
	}
	else
	{
	if (m_part)
		{
			DestroyAllControls(m_hWnd );
//			DOM::HTMLDocumentImpl *doc = m_part->docImpl();
//			if (doc && doc->body())
//				doc->detach();
		}
		MGHTMLPart *temppart;
		temppart = m_part->parentPart();
		if(m_part != NULL)
			delete m_part;
		if(m_painter != NULL)
			delete m_painter;
		m_part = new MGHTMLPart (this);
		m_painter = new MGPainter (m_part);
		init();
		
		m_part->setParentPart(temppart);
		
		m_part->setBaseURL(m_windowurl);
		m_part->setURL(m_windowurl);
		m_part->m_isMoved = false;
		MGString str = buf;
		m_part->begin(m_windowurl, 0, 0);
		m_doc = m_part->docImpl();
		//m_doc->attach (this);
		//m_doc->open();
		m_doc->write(str);

//		m_part->end();
		
#if 0 
		m_doc->finishParsing();
		m_doc->close();
#else
		ScriptDataProcessed();
#endif		
	}
	return true;
}
bool MGHTMLView::openURL()
{
	if(m_part->IsNewURL(m_windowurl))
		m_part->openURL(m_windowurl);
	else
	{
		if (m_part)
		{
			DestroyAllControls(m_hWnd );
//			DOM::HTMLDocumentImpl *doc = m_part->docImpl();
//			if (doc && doc->body())
//				doc->detach();
		}
		MGHTMLPart *temppart;
		temppart = m_part->parentPart();
		if(m_part != NULL)
			delete m_part;
		if(m_painter != NULL)
			delete m_painter;
		m_part = new MGHTMLPart (this);
		m_painter = new MGPainter (m_part);
		init();
		m_part->setParentPart(temppart);
		FILE* fp;
		const char *FileName = filename.latin1();
		fp = fopen( FileName, "r" );
		if( fp != NULL )
		{
			char buf[0x10000];
			int num = fread( buf, 1, 0x10000, fp );
			assert( num < 0x10000 );
			buf[num] = 0;
			fclose( fp );
		
			m_part->setBaseURL(m_windowurl);
			m_part->setURL(m_windowurl);
			m_part->m_isMoved = false;
			MGString str = buf;
			m_part->begin(m_windowurl, 0, 0);
			m_doc = m_part->docImpl();
			//m_doc->attach (this);
			//m_doc->open();
			m_doc->write(str);
			m_part->end();
		}
		else
			m_doc->write( MGString( "" ) );
		
		m_doc->close();
	
	}

	//following is added for submitForm
	m_part->setParsing(0);
	
	return true;
}

void MGHTMLView::setURL(char * url)
{
	KURL myurl(url);
	return setURL(myurl);
}

void MGHTMLView::setURL(KURL url)
{
	url.prettyURL(0);
	m_windowurl = url;
}