src/html/htmlwin.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        htmlwin.cpp
// Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation "htmlwin.h"
#pragma implementation "htmlproc.h"
#endif

#include "wx/wxprec.h"

#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include "wx/wx.h"
#endif

#include "wx/html/htmlwin.h"
#include "wx/html/forcelnk.h"
#include "wx/html/htmlproc.h"
#include "wx/log.h"
#include "wx/arrimpl.cpp"
#include "wx/list.h"
#include "wx/listimpl.cpp"

//-----------------------------------------------------------------------------
// wxHtmlHistoryItem
//-----------------------------------------------------------------------------

// item of history list
class WXDLLEXPORT wxHtmlHistoryItem : public wxObject
{
public:
    wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
    int GetPos() const {return m_Pos;}
    void SetPos(int p) {m_Pos = p;}
    const wxString& GetPage() const {return m_Page;}
    const wxString& GetAnchor() const {return m_Anchor;}

private:
    wxString m_Page;
    wxString m_Anchor;
    int m_Pos;
};


//-----------------------------------------------------------------------------
// our private arrays:
//-----------------------------------------------------------------------------

WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray);
WX_DEFINE_OBJARRAY(wxHtmlHistoryArray);

WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList);
WX_DEFINE_LIST(wxHtmlProcessorList);

//-----------------------------------------------------------------------------
// wxHtmlWindow
//-----------------------------------------------------------------------------


wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, style | wxVSCROLL | wxHSCROLL, name)
{
    m_tmpMouseMoved = FALSE;
    m_tmpLastLink = NULL;
    m_tmpCanDrawLocks = 0;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = wxT("%s");
    m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
    m_Cell = NULL;
    m_Parser = new wxHtmlWinParser(this);
    m_Parser->SetFS(m_FS);
    SetBorders(10);
    m_HistoryPos = -1;
    m_HistoryOn = TRUE;
    m_History = new wxHtmlHistoryArray;
    m_Processors = NULL;
    m_Style = style;
    SetPage(wxT("<html><body></body></html>"));
}


wxHtmlWindow::~wxHtmlWindow()
{
    HistoryClear();

    if (m_Cell) delete m_Cell;

    delete m_Parser;
    delete m_FS;
    delete m_History;
    delete m_Processors;
}


void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
{
    m_RelatedFrame = frame;
    m_TitleFormat = format;
}


void wxHtmlWindow::SetRelatedStatusBar(int bar)
{
    m_RelatedStatusBar = bar;
}


void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
{
    wxString op = m_OpenedPage;

    m_Parser->SetFonts(normal_face, fixed_face, sizes);
    // fonts changed => contents invalid, so reload the page:
    SetPage(wxT("<html><body></body></html>"));
    if (!op.IsEmpty()) LoadPage(op);
}


bool wxHtmlWindow::SetPage(const wxString& source)
{
    wxString newsrc(source);

    // pass HTML through registered processors:
    if (m_Processors || m_SharedProcessors)
    {
        wxHtmlProcessorList::Node *nodeL, *nodeS;
        int prL, prS;

        nodeL = (m_Processors) ? m_Processors->GetFirst() : NULL;
        nodeS = (m_SharedProcessors) ? m_SharedProcessors->GetFirst() : NULL;

        while (nodeL || nodeS)
        {
            prL = (nodeL) ? nodeL->GetData()->GetPriority() : -1;
            prS = (nodeS) ? nodeS->GetData()->GetPriority() : -1;
            if (prL > prS)
            {
                newsrc = nodeL->GetData()->Process(newsrc);
                nodeL = nodeL->GetNext();
            }
            else // prL <= prS
            {
                newsrc = nodeS->GetData()->Process(newsrc);
                nodeS = nodeS->GetNext();
            }
        }
    }

    // ...and run the parser on it:
    wxClientDC *dc = new wxClientDC(this);
    dc->SetMapMode(wxMM_TEXT);
    SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
    m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
    m_Parser->SetDC(dc);
    if (m_Cell)
    {
        delete m_Cell;
        m_Cell = NULL;
    }
    m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc);
    delete dc;
    m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
    m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER);
    CreateLayout();
    if (m_tmpCanDrawLocks == 0)
        Refresh();
    return TRUE;
}


bool wxHtmlWindow::LoadPage(const wxString& location)
{
    wxFSFile *f;
    bool rt_val;
    bool needs_refresh = FALSE;

    SetCursor(*wxHOURGLASS_CURSOR);
    wxYield(); Refresh(FALSE);

    m_tmpCanDrawLocks++;
    if (m_HistoryOn && (m_HistoryPos != -1)) // store scroll position into history item
    {
        int x, y;
        ViewStart(&x, &y);
        (*m_History)[m_HistoryPos].SetPos(y);
    }

    if (location[0] == wxT('#')) // local anchor
    {
        wxString anch = location.Mid(1) /*1 to end*/;
        m_tmpCanDrawLocks--;
        rt_val = ScrollToAnchor(anch);
        m_tmpCanDrawLocks++;
    }
    else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage)
    {
        wxString anch = location.AfterFirst(wxT('#'));
        m_tmpCanDrawLocks--;
        rt_val = ScrollToAnchor(anch);
        m_tmpCanDrawLocks++;
    }
    else if (location.Find(wxT('#')) != wxNOT_FOUND &&
             (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage)
	{
        wxString anch = location.AfterFirst(wxT('#'));
        m_tmpCanDrawLocks--;
        rt_val = ScrollToAnchor(anch);
        m_tmpCanDrawLocks++;
    }

    else
    {
        needs_refresh = TRUE;
        // load&display it:
        if (m_RelatedStatusBar != -1)
	    {
            m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
            Refresh(FALSE);
        }

        f = m_FS->OpenFile(location);

        if (f == NULL)
	    {
            wxString err;

            wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
            m_tmpCanDrawLocks--;

            SetCursor(*wxSTANDARD_CURSOR);
            return FALSE;
        }

        else
    	{
            wxNode *node;
            wxString src = wxEmptyString;

            if (m_RelatedStatusBar != -1)
	        {
                wxString msg = _("Loading : ") + location;
                m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
                Refresh(FALSE);
            }

            node = m_Filters.GetFirst();
            while (node)
	        {
                wxHtmlFilter *h = (wxHtmlFilter*) node->GetData();
                if (h->CanRead(*f))
		        {
                    src = h->ReadFile(*f);
                    break;
                }
                node = node->GetNext();
            }
            if (src == wxEmptyString)
	        {
                if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
                src = m_DefaultFilter->ReadFile(*f);
            }

            m_FS->ChangePathTo(f->GetLocation());
            rt_val = SetPage(src);
            m_OpenedPage = f->GetLocation();
            if (f->GetAnchor() != wxEmptyString)
	        {
                wxYield();
                ScrollToAnchor(f->GetAnchor());
            }

            delete f;

            if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
        }
    }

    if (m_HistoryOn) // add this page to history there:
    {
        int c = m_History->GetCount() - (m_HistoryPos + 1);

        m_HistoryPos++;
        for (int i = 0; i < c; i++)
            m_History->Remove(m_HistoryPos);
        m_History->Add(new wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
    }

    if (m_OpenedPageTitle == wxEmptyString)
        OnSetTitle(wxFileNameFromPath(m_OpenedPage));
    SetCursor(*wxSTANDARD_CURSOR);

    if (needs_refresh)
    {
        wxYield();
        m_tmpCanDrawLocks--;
        Refresh();
    }
    else
        m_tmpCanDrawLocks--;

    return rt_val;
}


bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
{
    const wxHtmlCell *c = m_Cell->Find(wxHTML_COND_ISANCHOR, &anchor);
    if (!c)
    {
        wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
        return FALSE;
    }
    else
    {
        int y;

        for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
        Scroll(-1, y / wxHTML_SCROLL_STEP);
        m_OpenedAnchor = anchor;
        return TRUE;
    }
}


void wxHtmlWindow::OnSetTitle(const wxString& title)
{
    if (m_RelatedFrame)
    {
        wxString tit;
        tit.Printf(m_TitleFormat, title.c_str());
        m_RelatedFrame->SetTitle(tit);
    }
    m_OpenedPageTitle = title;
}


void wxHtmlWindow::CreateLayout()
{
    int ClientWidth, ClientHeight;

    if (!m_Cell) return;

    if (m_Style & wxHW_SCROLLBAR_NEVER)
    {
        SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
        GetClientSize(&ClientWidth, &ClientHeight);
        m_Cell->Layout(ClientWidth);
    }

    else {
        GetClientSize(&ClientWidth, &ClientHeight);
        m_Cell->Layout(ClientWidth);
        if (ClientHeight < m_Cell->GetHeight() + GetCharHeight())
	    {
            SetScrollbars(
                  wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
                  m_Cell->GetWidth() / wxHTML_SCROLL_STEP,
                  (m_Cell->GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
                  /*cheat: top-level frag is always container*/);
        }
        else /* we fit into window, no need for scrollbars */
	    {
            SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
            GetClientSize(&ClientWidth, &ClientHeight);
            m_Cell->Layout(ClientWidth); // ...and relayout
        }
    }
}


void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
{
    wxString oldpath;
    wxString tmp;
    int p_fontsizes[7];
    wxString p_fff, p_ffn;

    if (path != wxEmptyString)
    {
        oldpath = cfg->GetPath();
        cfg->SetPath(path);
    }

    m_Borders = cfg->Read(wxT("wxHtmlWindow/Borders"), m_Borders);
    p_fff = cfg->Read(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
    p_ffn = cfg->Read(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
    for (int i = 0; i < 7; i++)
    {
        tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
        p_fontsizes[i] = cfg->Read(tmp, m_Parser->m_FontsSizes[i]);
    }
    SetFonts(p_ffn, p_fff, p_fontsizes);

    if (path != wxEmptyString)
        cfg->SetPath(oldpath);
}


void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
{
    wxString oldpath;
    wxString tmp;

    if (path != wxEmptyString)
    {
        oldpath = cfg->GetPath();
        cfg->SetPath(path);
    }

    cfg->Write(wxT("wxHtmlWindow/Borders"), (long) m_Borders);
    cfg->Write(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
    cfg->Write(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
    for (int i = 0; i < 7; i++)
    {
        tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
        cfg->Write(tmp, (long) m_Parser->m_FontsSizes[i]);
    }

    if (path != wxEmptyString)
        cfg->SetPath(oldpath);
}


bool wxHtmlWindow::HistoryBack()
{
    wxString a, l;

    if (m_HistoryPos < 1) return FALSE;

    // store scroll position into history item:
    int x, y;
    ViewStart(&x, &y);
    (*m_History)[m_HistoryPos].SetPos(y);

    // go to previous position:
    m_HistoryPos--;

    l = (*m_History)[m_HistoryPos].GetPage();
    a = (*m_History)[m_HistoryPos].GetAnchor();
    m_HistoryOn = FALSE;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + wxT("#") + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    Scroll(0, (*m_History)[m_HistoryPos].GetPos());
    Refresh();
    return TRUE;
}

bool wxHtmlWindow::HistoryCanBack()
{
    if (m_HistoryPos < 1) return FALSE;
    return TRUE ;
}


bool wxHtmlWindow::HistoryForward()
{
    wxString a, l;

    if (m_HistoryPos == -1) return FALSE;
    if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;

    m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()

    m_HistoryPos++;
    l = (*m_History)[m_HistoryPos].GetPage();
    a = (*m_History)[m_HistoryPos].GetAnchor();
    m_HistoryOn = FALSE;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + wxT("#") + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    Scroll(0, (*m_History)[m_HistoryPos].GetPos());
    Refresh();
    return TRUE;
}

bool wxHtmlWindow::HistoryCanForward()
{
    if (m_HistoryPos == -1) return FALSE;
    if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
    return TRUE ;
}


void wxHtmlWindow::HistoryClear()
{
    m_History->Empty();
    m_HistoryPos = -1;
}

void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor)
{
    if (!m_Processors)
    {
        m_Processors = new wxHtmlProcessorList;
        m_Processors->DeleteContents(TRUE);
    }
    wxHtmlProcessorList::Node *node;

    for (node = m_Processors->GetFirst(); node; node = node->GetNext())
    {
        if (processor->GetPriority() > node->GetData()->GetPriority())
        {
            m_Processors->Insert(node, processor);
            break;
        }
    }
}

/*static */ void wxHtmlWindow::AddSharedProcessor(wxHtmlProcessor *processor)
{
    if (!m_SharedProcessors)
    {
        m_SharedProcessors = new wxHtmlProcessorList;
        m_SharedProcessors->DeleteContents(TRUE);
    }
    wxHtmlProcessorList::Node *node;

    for (node = m_SharedProcessors->GetFirst(); node; node = node->GetNext())
    {
        if (processor->GetPriority() > node->GetData()->GetPriority())
        {
            m_SharedProcessors->Insert(node, processor);
            break;
        }
    }
}


wxList wxHtmlWindow::m_Filters;
wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
wxCursor *wxHtmlWindow::s_cur_hand = NULL;
wxCursor *wxHtmlWindow::s_cur_arrow = NULL;
wxHtmlProcessorList *wxHtmlWindow::m_SharedProcessors = NULL;

void wxHtmlWindow::CleanUpStatics()
{
    delete m_DefaultFilter;
    m_DefaultFilter = NULL;
    m_Filters.DeleteContents(TRUE);
    m_Filters.Clear();

    delete m_SharedProcessors;
    m_SharedProcessors = NULL;

    delete s_cur_hand;
    delete s_cur_arrow;
}


void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
{
    m_Filters.Append(filter);
}


void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
{
    LoadPage(link.GetHref());
}


void wxHtmlWindow::OnDraw(wxDC& dc)
{
    int x, y;
    wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
    int v_y, v_h;

    if (m_tmpCanDrawLocks > 0) return;

    dc.SetMapMode(wxMM_TEXT);
#if 0
/* VS - I don't think this is neccessary any longer
        MSC_VER 1200 means MSVC 6.0 and it works fine */
#if defined(_MSC_VER) && (_MSC_VER == 1200)
    ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
#endif
#endif
    dc.SetBackgroundMode(wxTRANSPARENT);
    ViewStart(&x, &y);

    while (upd)
    {
        v_y = upd.GetY();
        v_h = upd.GetH();
        if (m_Cell) m_Cell->Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
        upd++;
    }
}


void wxHtmlWindow::OnSize(wxSizeEvent& event)
{
    wxScrolledWindow::OnSize(event);
    CreateLayout();
    Refresh();
}


void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
{
    m_tmpMouseMoved = TRUE;

    if (event.ButtonDown())
    {
        int sx, sy;
        wxPoint pos;
        wxString lnk;

        ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP;
        pos = event.GetPosition();

        if (m_Cell)
            m_Cell->OnMouseClick(this, sx + pos.x, sy + pos.y, event);
    }
}


void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
{
    if (s_cur_hand == NULL)
    {
        s_cur_hand = new wxCursor(wxCURSOR_HAND);
        s_cur_arrow = new wxCursor(wxCURSOR_ARROW);
    }

    if (m_tmpMouseMoved && (m_Cell != NULL))
    {
        int sx, sy;
        int x, y;
        wxHtmlLinkInfo *lnk;

        ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP;
        wxGetMousePosition(&x, &y);
        ScreenToClient(&x, &y);
        lnk = m_Cell->GetLink(sx + x, sy + y);

        if (lnk != m_tmpLastLink)
	    {
            if (lnk == NULL)
	        {
                SetCursor(*s_cur_arrow);
                if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(wxEmptyString, m_RelatedStatusBar);
            }
            else
	        {
                SetCursor(*s_cur_hand);
                if (m_RelatedStatusBar != -1)
                    m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar);
            }
            m_tmpLastLink = lnk;
        }
        m_tmpMouseMoved = FALSE;
    }
}


IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)

BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
    EVT_SIZE(wxHtmlWindow::OnSize)
    EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
    EVT_MOTION(wxHtmlWindow::OnMouseEvent)
    EVT_IDLE(wxHtmlWindow::OnIdle)
END_EVENT_TABLE()


// A module to allow initialization/cleanup
// without calling these functions from app.cpp or from
// the user's application.

class wxHtmlWinModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
public:
    wxHtmlWinModule() : wxModule() {}
    bool OnInit() { return TRUE; }
    void OnExit() { wxHtmlWindow::CleanUpStatics(); }
};

IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)


///// default mod handlers are forced there:

FORCE_LINK(m_layout)
FORCE_LINK(m_fonts)
FORCE_LINK(m_image)
FORCE_LINK(m_list)
FORCE_LINK(m_dflist)
FORCE_LINK(m_pre)
FORCE_LINK(m_hline)
FORCE_LINK(m_links)
FORCE_LINK(m_tables)
FORCE_LINK(m_meta)


#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmlwin.cpp
	3	// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
	4	// Author: Vaclav Slavik
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation "htmlwin.h"
	13	#pragma implementation "htmlproc.h"
	14	#endif
	15
	16	#include "wx/wxprec.h"
	17
	18	#include "wx/defs.h"
	19	#if wxUSE_HTML && wxUSE_STREAMS
	20
	21	#ifdef __BORDLANDC__
	22	#pragma hdrstop
	23	#endif
	24
	25	#ifndef WXPRECOMP
	26	#include "wx/wx.h"
	27	#endif
	28
	29	#include "wx/html/htmlwin.h"
	30	#include "wx/html/forcelnk.h"
	31	#include "wx/html/htmlproc.h"
	32	#include "wx/log.h"
	33	#include "wx/arrimpl.cpp"
	34	#include "wx/list.h"
	35	#include "wx/listimpl.cpp"
	36
	37	//-----------------------------------------------------------------------------
	38	// wxHtmlHistoryItem
	39	//-----------------------------------------------------------------------------
	40
	41	// item of history list
	42	class WXDLLEXPORT wxHtmlHistoryItem : public wxObject
	43	{
	44	public:
	45	wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
	46	int GetPos() const {return m_Pos;}
	47	void SetPos(int p) {m_Pos = p;}
	48	const wxString& GetPage() const {return m_Page;}
	49	const wxString& GetAnchor() const {return m_Anchor;}
	50
	51	private:
	52	wxString m_Page;
	53	wxString m_Anchor;
	54	int m_Pos;
	55	};
	56
	57
	58	//-----------------------------------------------------------------------------
	59	// our private arrays:
	60	//-----------------------------------------------------------------------------
	61
	62	WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray);
	63	WX_DEFINE_OBJARRAY(wxHtmlHistoryArray);
	64
	65	WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList);
	66	WX_DEFINE_LIST(wxHtmlProcessorList);
	67
	68	//-----------------------------------------------------------------------------
	69	// wxHtmlWindow
	70	//-----------------------------------------------------------------------------
	71
	72
	73	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
	74	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, style \| wxVSCROLL \| wxHSCROLL, name)
	75	{
	76	m_tmpMouseMoved = FALSE;
	77	m_tmpLastLink = NULL;
	78	m_tmpCanDrawLocks = 0;
	79	m_FS = new wxFileSystem();
	80	m_RelatedStatusBar = -1;
	81	m_RelatedFrame = NULL;
	82	m_TitleFormat = wxT("%s");
	83	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
	84	m_Cell = NULL;
	85	m_Parser = new wxHtmlWinParser(this);
	86	m_Parser->SetFS(m_FS);
	87	SetBorders(10);
	88	m_HistoryPos = -1;
	89	m_HistoryOn = TRUE;
	90	m_History = new wxHtmlHistoryArray;
	91	m_Processors = NULL;
	92	m_Style = style;
	93	SetPage(wxT("<html><body></body></html>"));
	94	}
	95
	96
	97
	98	wxHtmlWindow::~wxHtmlWindow()
	99	{
	100	HistoryClear();
	101
	102	if (m_Cell) delete m_Cell;
	103
	104	delete m_Parser;
	105	delete m_FS;
	106	delete m_History;
	107	delete m_Processors;
	108	}
	109
	110
	111
	112	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	113	{
	114	m_RelatedFrame = frame;
	115	m_TitleFormat = format;
	116	}
	117
	118
	119
	120	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	121	{
	122	m_RelatedStatusBar = bar;
	123	}
	124
	125
	126
	127	void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
	128	{
	129	wxString op = m_OpenedPage;
	130
	131	m_Parser->SetFonts(normal_face, fixed_face, sizes);
	132	// fonts changed => contents invalid, so reload the page:
	133	SetPage(wxT("<html><body></body></html>"));
	134	if (!op.IsEmpty()) LoadPage(op);
	135	}
	136
	137
	138
	139	bool wxHtmlWindow::SetPage(const wxString& source)
	140	{
	141	wxString newsrc(source);
	142
	143	// pass HTML through registered processors:
	144	if (m_Processors \|\| m_SharedProcessors)
	145	{
	146	wxHtmlProcessorList::Node nodeL, nodeS;
	147	int prL, prS;
	148
	149	nodeL = (m_Processors) ? m_Processors->GetFirst() : NULL;
	150	nodeS = (m_SharedProcessors) ? m_SharedProcessors->GetFirst() : NULL;
	151
	152	while (nodeL \|\| nodeS)
	153	{
	154	prL = (nodeL) ? nodeL->GetData()->GetPriority() : -1;
	155	prS = (nodeS) ? nodeS->GetData()->GetPriority() : -1;
	156	if (prL > prS)
	157	{
	158	newsrc = nodeL->GetData()->Process(newsrc);
	159	nodeL = nodeL->GetNext();
	160	}
	161	else // prL <= prS
	162	{
	163	newsrc = nodeS->GetData()->Process(newsrc);
	164	nodeS = nodeS->GetNext();
	165	}
	166	}
	167	}
	168
	169	// ...and run the parser on it:
	170	wxClientDC *dc = new wxClientDC(this);
	171	dc->SetMapMode(wxMM_TEXT);
	172	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
	173	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
	174	m_Parser->SetDC(dc);
	175	if (m_Cell)
	176	{
	177	delete m_Cell;
	178	m_Cell = NULL;
	179	}
	180	m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc);
	181	delete dc;
	182	m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	183	m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER);
	184	CreateLayout();
	185	if (m_tmpCanDrawLocks == 0)
	186	Refresh();
	187	return TRUE;
	188	}
	189
	190
	191	bool wxHtmlWindow::LoadPage(const wxString& location)
	192	{
	193	wxFSFile *f;
	194	bool rt_val;
	195	bool needs_refresh = FALSE;
	196
	197	SetCursor(*wxHOURGLASS_CURSOR);
	198	wxYield(); Refresh(FALSE);
	199
	200	m_tmpCanDrawLocks++;
	201	if (m_HistoryOn && (m_HistoryPos != -1)) // store scroll position into history item
	202	{
	203	int x, y;
	204	ViewStart(&x, &y);
	205	(*m_History)[m_HistoryPos].SetPos(y);
	206	}
	207
	208	if (location[0] == wxT('#')) // local anchor
	209	{
	210	wxString anch = location.Mid(1) /1 to end/;
	211	m_tmpCanDrawLocks--;
	212	rt_val = ScrollToAnchor(anch);
	213	m_tmpCanDrawLocks++;
	214	}
	215	else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage)
	216	{
	217	wxString anch = location.AfterFirst(wxT('#'));
	218	m_tmpCanDrawLocks--;
	219	rt_val = ScrollToAnchor(anch);
	220	m_tmpCanDrawLocks++;
	221	}
	222	else if (location.Find(wxT('#')) != wxNOT_FOUND &&
	223	(m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage)
	224	{
	225	wxString anch = location.AfterFirst(wxT('#'));
	226	m_tmpCanDrawLocks--;
	227	rt_val = ScrollToAnchor(anch);
	228	m_tmpCanDrawLocks++;
	229	}
	230
	231	else
	232	{
	233	needs_refresh = TRUE;
	234	// load&display it:
	235	if (m_RelatedStatusBar != -1)
	236	{
	237	m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	238	Refresh(FALSE);
	239	}
	240
	241	f = m_FS->OpenFile(location);
	242
	243	if (f == NULL)
	244	{
	245	wxString err;
	246
	247	wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
	248	m_tmpCanDrawLocks--;
	249
	250	SetCursor(*wxSTANDARD_CURSOR);
	251	return FALSE;
	252	}
	253
	254	else
	255	{
	256	wxNode *node;
	257	wxString src = wxEmptyString;
	258
	259	if (m_RelatedStatusBar != -1)
	260	{
	261	wxString msg = _("Loading : ") + location;
	262	m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
	263	Refresh(FALSE);
	264	}
	265
	266	node = m_Filters.GetFirst();
	267	while (node)
	268	{
	269	wxHtmlFilter h = (wxHtmlFilter) node->GetData();
	270	if (h->CanRead(*f))
	271	{
	272	src = h->ReadFile(*f);
	273	break;
	274	}
	275	node = node->GetNext();
	276	}
	277	if (src == wxEmptyString)
	278	{
	279	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	280	src = m_DefaultFilter->ReadFile(*f);
	281	}
	282
	283	m_FS->ChangePathTo(f->GetLocation());
	284	rt_val = SetPage(src);
	285	m_OpenedPage = f->GetLocation();
	286	if (f->GetAnchor() != wxEmptyString)
	287	{
	288	wxYield();
	289	ScrollToAnchor(f->GetAnchor());
	290	}
	291
	292	delete f;
	293
	294	if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
	295	}
	296	}
	297
	298	if (m_HistoryOn) // add this page to history there:
	299	{
	300	int c = m_History->GetCount() - (m_HistoryPos + 1);
	301
	302	m_HistoryPos++;
	303	for (int i = 0; i < c; i++)
	304	m_History->Remove(m_HistoryPos);
	305	m_History->Add(new wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	306	}
	307
	308	if (m_OpenedPageTitle == wxEmptyString)
	309	OnSetTitle(wxFileNameFromPath(m_OpenedPage));
	310	SetCursor(*wxSTANDARD_CURSOR);
	311
	312	if (needs_refresh)
	313	{
	314	wxYield();
	315	m_tmpCanDrawLocks--;
	316	Refresh();
	317	}
	318	else
	319	m_tmpCanDrawLocks--;
	320
	321	return rt_val;
	322	}
	323
	324
	325
	326	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	327	{
	328	const wxHtmlCell *c = m_Cell->Find(wxHTML_COND_ISANCHOR, &anchor);
	329	if (!c)
	330	{
	331	wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
	332	return FALSE;
	333	}
	334	else
	335	{
	336	int y;
	337
	338	for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
	339	Scroll(-1, y / wxHTML_SCROLL_STEP);
	340	m_OpenedAnchor = anchor;
	341	return TRUE;
	342	}
	343	}
	344
	345
	346	void wxHtmlWindow::OnSetTitle(const wxString& title)
	347	{
	348	if (m_RelatedFrame)
	349	{
	350	wxString tit;
	351	tit.Printf(m_TitleFormat, title.c_str());
	352	m_RelatedFrame->SetTitle(tit);
	353	}
	354	m_OpenedPageTitle = title;
	355	}
	356
	357
	358
	359
	360
	361	void wxHtmlWindow::CreateLayout()
	362	{
	363	int ClientWidth, ClientHeight;
	364
	365	if (!m_Cell) return;
	366
	367	if (m_Style & wxHW_SCROLLBAR_NEVER)
	368	{
	369	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
	370	GetClientSize(&ClientWidth, &ClientHeight);
	371	m_Cell->Layout(ClientWidth);
	372	}
	373
	374	else {
	375	GetClientSize(&ClientWidth, &ClientHeight);
	376	m_Cell->Layout(ClientWidth);
	377	if (ClientHeight < m_Cell->GetHeight() + GetCharHeight())
	378	{
	379	SetScrollbars(
	380	wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	381	m_Cell->GetWidth() / wxHTML_SCROLL_STEP,
	382	(m_Cell->GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
	383	/cheat: top-level frag is always container/);
	384	}
	385	else /* we fit into window, no need for scrollbars */
	386	{
	387	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
	388	GetClientSize(&ClientWidth, &ClientHeight);
	389	m_Cell->Layout(ClientWidth); // ...and relayout
	390	}
	391	}
	392	}
	393
	394
	395
	396	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	397	{
	398	wxString oldpath;
	399	wxString tmp;
	400	int p_fontsizes[7];
	401	wxString p_fff, p_ffn;
	402
	403	if (path != wxEmptyString)
	404	{
	405	oldpath = cfg->GetPath();
	406	cfg->SetPath(path);
	407	}
	408
	409	m_Borders = cfg->Read(wxT("wxHtmlWindow/Borders"), m_Borders);
	410	p_fff = cfg->Read(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
	411	p_ffn = cfg->Read(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
	412	for (int i = 0; i < 7; i++)
	413	{
	414	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
	415	p_fontsizes[i] = cfg->Read(tmp, m_Parser->m_FontsSizes[i]);
	416	}
	417	SetFonts(p_ffn, p_fff, p_fontsizes);
	418
	419	if (path != wxEmptyString)
	420	cfg->SetPath(oldpath);
	421	}
	422
	423
	424
	425	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	426	{
	427	wxString oldpath;
	428	wxString tmp;
	429
	430	if (path != wxEmptyString)
	431	{
	432	oldpath = cfg->GetPath();
	433	cfg->SetPath(path);
	434	}
	435
	436	cfg->Write(wxT("wxHtmlWindow/Borders"), (long) m_Borders);
	437	cfg->Write(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
	438	cfg->Write(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
	439	for (int i = 0; i < 7; i++)
	440	{
	441	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
	442	cfg->Write(tmp, (long) m_Parser->m_FontsSizes[i]);
	443	}
	444
	445	if (path != wxEmptyString)
	446	cfg->SetPath(oldpath);
	447	}
	448
	449
	450
	451	bool wxHtmlWindow::HistoryBack()
	452	{
	453	wxString a, l;
	454
	455	if (m_HistoryPos < 1) return FALSE;
	456
	457	// store scroll position into history item:
	458	int x, y;
	459	ViewStart(&x, &y);
	460	(*m_History)[m_HistoryPos].SetPos(y);
	461
	462	// go to previous position:
	463	m_HistoryPos--;
	464
	465	l = (*m_History)[m_HistoryPos].GetPage();
	466	a = (*m_History)[m_HistoryPos].GetAnchor();
	467	m_HistoryOn = FALSE;
	468	m_tmpCanDrawLocks++;
	469	if (a == wxEmptyString) LoadPage(l);
	470	else LoadPage(l + wxT("#") + a);
	471	m_HistoryOn = TRUE;
	472	wxYield();
	473	m_tmpCanDrawLocks--;
	474	Scroll(0, (*m_History)[m_HistoryPos].GetPos());
	475	Refresh();
	476	return TRUE;
	477	}
	478
	479	bool wxHtmlWindow::HistoryCanBack()
	480	{
	481	if (m_HistoryPos < 1) return FALSE;
	482	return TRUE ;
	483	}
	484
	485
	486	bool wxHtmlWindow::HistoryForward()
	487	{
	488	wxString a, l;
	489
	490	if (m_HistoryPos == -1) return FALSE;
	491	if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
	492
	493	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	494
	495	m_HistoryPos++;
	496	l = (*m_History)[m_HistoryPos].GetPage();
	497	a = (*m_History)[m_HistoryPos].GetAnchor();
	498	m_HistoryOn = FALSE;
	499	m_tmpCanDrawLocks++;
	500	if (a == wxEmptyString) LoadPage(l);
	501	else LoadPage(l + wxT("#") + a);
	502	m_HistoryOn = TRUE;
	503	wxYield();
	504	m_tmpCanDrawLocks--;
	505	Scroll(0, (*m_History)[m_HistoryPos].GetPos());
	506	Refresh();
	507	return TRUE;
	508	}
	509
	510	bool wxHtmlWindow::HistoryCanForward()
	511	{
	512	if (m_HistoryPos == -1) return FALSE;
	513	if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
	514	return TRUE ;
	515	}
	516
	517
	518	void wxHtmlWindow::HistoryClear()
	519	{
	520	m_History->Empty();
	521	m_HistoryPos = -1;
	522	}
	523
	524	void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor)
	525	{
	526	if (!m_Processors)
	527	{
	528	m_Processors = new wxHtmlProcessorList;
	529	m_Processors->DeleteContents(TRUE);
	530	}
	531	wxHtmlProcessorList::Node *node;
	532
	533	for (node = m_Processors->GetFirst(); node; node = node->GetNext())
	534	{
	535	if (processor->GetPriority() > node->GetData()->GetPriority())
	536	{
	537	m_Processors->Insert(node, processor);
	538	break;
	539	}
	540	}
	541	}
	542
	543	/static / void wxHtmlWindow::AddSharedProcessor(wxHtmlProcessor *processor)
	544	{
	545	if (!m_SharedProcessors)
	546	{
	547	m_SharedProcessors = new wxHtmlProcessorList;
	548	m_SharedProcessors->DeleteContents(TRUE);
	549	}
	550	wxHtmlProcessorList::Node *node;
	551
	552	for (node = m_SharedProcessors->GetFirst(); node; node = node->GetNext())
	553	{
	554	if (processor->GetPriority() > node->GetData()->GetPriority())
	555	{
	556	m_SharedProcessors->Insert(node, processor);
	557	break;
	558	}
	559	}
	560	}
	561
	562
	563
	564	wxList wxHtmlWindow::m_Filters;
	565	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	566	wxCursor *wxHtmlWindow::s_cur_hand = NULL;
	567	wxCursor *wxHtmlWindow::s_cur_arrow = NULL;
	568	wxHtmlProcessorList *wxHtmlWindow::m_SharedProcessors = NULL;
	569
	570	void wxHtmlWindow::CleanUpStatics()
	571	{
	572	delete m_DefaultFilter;
	573	m_DefaultFilter = NULL;
	574	m_Filters.DeleteContents(TRUE);
	575	m_Filters.Clear();
	576
	577	delete m_SharedProcessors;
	578	m_SharedProcessors = NULL;
	579
	580	delete s_cur_hand;
	581	delete s_cur_arrow;
	582	}
	583
	584
	585
	586	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	587	{
	588	m_Filters.Append(filter);
	589	}
	590
	591
	592
	593
	594	void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
	595	{
	596	LoadPage(link.GetHref());
	597	}
	598
	599
	600
	601	void wxHtmlWindow::OnDraw(wxDC& dc)
	602	{
	603	int x, y;
	604	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	605	int v_y, v_h;
	606
	607	if (m_tmpCanDrawLocks > 0) return;
	608
	609	dc.SetMapMode(wxMM_TEXT);
	610	#if 0
	611	/* VS - I don't think this is neccessary any longer
	612	MSC_VER 1200 means MSVC 6.0 and it works fine */
	613	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	614	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	615	#endif
	616	#endif
	617	dc.SetBackgroundMode(wxTRANSPARENT);
	618	ViewStart(&x, &y);
	619
	620	while (upd)
	621	{
	622	v_y = upd.GetY();
	623	v_h = upd.GetH();
	624	if (m_Cell) m_Cell->Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
	625	upd++;
	626	}
	627	}
	628
	629
	630
	631
	632	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	633	{
	634	wxScrolledWindow::OnSize(event);
	635	CreateLayout();
	636	Refresh();
	637	}
	638
	639
	640	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	641	{
	642	m_tmpMouseMoved = TRUE;
	643
	644	if (event.ButtonDown())
	645	{
	646	int sx, sy;
	647	wxPoint pos;
	648	wxString lnk;
	649
	650	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
	651	pos = event.GetPosition();
	652
	653	if (m_Cell)
	654	m_Cell->OnMouseClick(this, sx + pos.x, sy + pos.y, event);
	655	}
	656	}
	657
	658
	659
	660	void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
	661	{
	662	if (s_cur_hand == NULL)
	663	{
	664	s_cur_hand = new wxCursor(wxCURSOR_HAND);
	665	s_cur_arrow = new wxCursor(wxCURSOR_ARROW);
	666	}
	667
	668	if (m_tmpMouseMoved && (m_Cell != NULL))
	669	{
	670	int sx, sy;
	671	int x, y;
	672	wxHtmlLinkInfo *lnk;
	673
	674	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
	675	wxGetMousePosition(&x, &y);
	676	ScreenToClient(&x, &y);
	677	lnk = m_Cell->GetLink(sx + x, sy + y);
	678
	679	if (lnk != m_tmpLastLink)
	680	{
	681	if (lnk == NULL)
	682	{
	683	SetCursor(*s_cur_arrow);
	684	if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(wxEmptyString, m_RelatedStatusBar);
	685	}
	686	else
	687	{
	688	SetCursor(*s_cur_hand);
	689	if (m_RelatedStatusBar != -1)
	690	m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar);
	691	}
	692	m_tmpLastLink = lnk;
	693	}
	694	m_tmpMouseMoved = FALSE;
	695	}
	696	}
	697
	698
	699
	700
	701	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	702
	703	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	704	EVT_SIZE(wxHtmlWindow::OnSize)
	705	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	706	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	707	EVT_IDLE(wxHtmlWindow::OnIdle)
	708	END_EVENT_TABLE()
	709
	710
	711
	712
	713
	714	// A module to allow initialization/cleanup
	715	// without calling these functions from app.cpp or from
	716	// the user's application.
	717
	718	class wxHtmlWinModule: public wxModule
	719	{
	720	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	721	public:
	722	wxHtmlWinModule() : wxModule() {}
	723	bool OnInit() { return TRUE; }
	724	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	725	};
	726
	727	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	728
	729
	730
	731
	732	///// default mod handlers are forced there:
	733
	734	FORCE_LINK(m_layout)
	735	FORCE_LINK(m_fonts)
	736	FORCE_LINK(m_image)
	737	FORCE_LINK(m_list)
	738	FORCE_LINK(m_dflist)
	739	FORCE_LINK(m_pre)
	740	FORCE_LINK(m_hline)
	741	FORCE_LINK(m_links)
	742	FORCE_LINK(m_tables)
	743	FORCE_LINK(m_meta)
	744
	745
	746	#endif