[wxWidgets.git] / 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
#endif

#include "wx/wxprec.h"

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

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

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

#include "wx/html/htmlwin.h"

#include "wx/html/forcelnk.h"


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


#include "wx/arrimpl.cpp"
WX_DEFINE_OBJARRAY(HtmlHistoryArray)


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


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

    if (m_Cell) delete m_Cell;

    wxList *parser_data = m_Parser -> GetTempData();
    if (parser_data) delete parser_data;

    delete m_Parser;
    delete m_FS;
}


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, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, const int *sizes)
{
    m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
    if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage);
}


bool wxHtmlWindow::SetPage(const wxString& source)
{
    wxClientDC *dc = new wxClientDC(this);

    dc -> SetMapMode(wxMM_TEXT);
    SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
    m_OpenedPage = m_OpenedAnchor = wxEmptyString;
    m_Parser -> SetDC(dc);
    if (m_Cell) {
      delete m_Cell;
      m_Cell = NULL;
    }
    m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
    delete dc;
    m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
    m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
    CreateLayout();
    Refresh();
    return TRUE;
}


bool wxHtmlWindow::LoadPage(const wxString& location)
{
    wxFSFile *f;
    bool rt_val;
    wxBusyCursor b;

    m_tmpCanDraw = FALSE;
    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] == '#') { // local anchor
        wxString anch = location.Mid(1) /*1 to end*/;
        m_tmpCanDraw = TRUE;
        rt_val = ScrollToAnchor(anch);
    }

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

        f = m_FS -> OpenFile(location);
        if (f == NULL) {
            wxString err;

            err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
            m_tmpCanDraw = TRUE;
            Refresh();
            wxMessageBox(err, "Error");
            return FALSE;
        }

        else {
            wxNode *node;
            wxString src = wxEmptyString;

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

            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) {
                m_tmpCanDraw = TRUE;
                ScrollToAnchor(f -> GetAnchor());
                m_tmpCanDraw = FALSE;
            }

            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 HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
    }

    m_tmpCanDraw = TRUE;
    Refresh();
    return rt_val;
}


bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
{
    const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
    if (!c) 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::SetTitle(const wxString& title)
{
    if (m_RelatedFrame) {
        wxString tit;
        tit.Printf(m_TitleFormat, title.c_str());
        m_RelatedFrame -> SetTitle(tit);
    }
}


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

    if (!m_Cell) return;

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

    else {
        GetClientSize(&ClientWidth, &ClientHeight);
#ifndef __WXMSW__
        // VS : this looks extremely ugly under windoze, better fix needed!
        SetScrollbars(1, 1, 0, ClientHeight * 2); // always on
#endif
        GetClientSize(&ClientWidth, &ClientHeight);
        m_Cell -> Layout(ClientWidth);
     	if (ClientHeight < m_Cell -> GetHeight()) {
            SetScrollbars(wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
                          m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
                          m_Cell -> GetHeight() / wxHTML_SCROLL_STEP
                          /*cheat: top-level frag is always container*/);
        }
	    else { /* we fit into window, no need for scrollbars */
	        SetScrollbars(1, 1, 0, 0); // disable...
                GetClientSize(&ClientWidth, &ClientHeight);
	        m_Cell -> Layout(ClientWidth); // ...and relayout
	    }
    }
}


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

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

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

    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("wxHtmlWindow/Borders", (long) m_Borders);
    cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
    cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
    cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
    cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
    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;

    m_HistoryPos--;

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


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


wxList wxHtmlWindow::m_Filters;
wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;

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

}


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


void wxHtmlWindow::OnLinkClicked(const wxString& link)
{
    LoadPage(link);
}


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

    if (!m_tmpCanDraw) return;
    dc.SetMapMode(wxMM_TEXT);
#if defined(_MSC_VER) && (_MSC_VER == 1200)
    ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
#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();
}


void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
{
    int dummy;
    int sty, szy, cliy;

    ViewStart(&dummy, &sty);
    GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
    GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;

    switch (event.KeyCode()) {
        case WXK_PAGEUP :
    case WXK_PRIOR :
                Scroll(-1, sty - cliy);
                break;
        case WXK_PAGEDOWN :
    case WXK_NEXT :
                Scroll(-1, sty + cliy);
                break;
        case WXK_HOME :
                Scroll(-1, 0);
                break;
        case WXK_END :
                Scroll(-1, szy - cliy);
                break;
        case WXK_UP :
                Scroll(-1, sty - 1);
                break;
        case WXK_DOWN :
                Scroll(-1, sty + 1);
                break;
    }
}


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.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
    }
}


void wxHtmlWindow::OnIdle(wxIdleEvent& event)
{
    static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);

    if (m_tmpMouseMoved && (m_Cell != NULL)) {
        int sx, sy;
        int x, y;
        wxString 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 == wxEmptyString) {
                SetCursor(cur_arrow);
                if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
            }
            else {
                SetCursor(cur_hand);
                if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, 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)
    EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
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(mod_layout)
FORCE_LINK(mod_fonts)
FORCE_LINK(mod_image)
FORCE_LINK(mod_list)
FORCE_LINK(mod_pre)
FORCE_LINK(mod_hline)
FORCE_LINK(mod_links)
FORCE_LINK(mod_tables)


#endif
Commit	Line	Data
5526e819 VS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmlwin.cpp
	3	// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
	4	// Author: Vaclav Slavik
69941f05	5	// RCS-ID: $Id$
5526e819 VS	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation
	13	#endif
	14
3096bd2f	15	#include "wx/wxprec.h"
5526e819 VS	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML
	19
	20	#ifdef __BORDLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
3096bd2f	25	#include "wx/wx.h"
5526e819 VS	26	#endif
5526e819 VS	27
69941f05	28	#include "wx/html/htmlwin.h"
5526e819	29
69941f05	30	#include "wx/html/forcelnk.h"
5526e819	31
5526e819 VS	32
	33
	34	//-----------------------------------------------------------------------------
	35	// wxHtmlWindow
	36	//-----------------------------------------------------------------------------
	37
	38
	39
3096bd2f	40	#include "wx/arrimpl.cpp"
5526e819 VS	41	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	42
	43
269e8200	44	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
a547ebff	45	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name)
5526e819 VS	46	{
5526e819 VS	47	m_tmpMouseMoved = FALSE;
622ea783	48	m_tmpLastLink = wxEmptyString;
5526e819 VS	49	m_tmpCanDraw = TRUE;
	50	m_FS = new wxFileSystem();
	51	m_RelatedStatusBar = -1;
	52	m_RelatedFrame = NULL;
	53	m_TitleFormat = "%s";
	54	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
	55	m_Cell = NULL;
	56	m_Parser = new wxHtmlWinParser(this);
	57	m_Parser -> SetFS(m_FS);
	58	SetBorders(10);
	59	m_HistoryPos = -1;
	60	m_HistoryOn = TRUE;
a547ebff	61	m_Style = style;
5526e819 VS	62	SetPage("<html><body></body></html>");
	63	}
	64
	65
	66
	67	wxHtmlWindow::~wxHtmlWindow()
	68	{
	69	HistoryClear();
	70
	71	if (m_Cell) delete m_Cell;
	72
	73	wxList *parser_data = m_Parser -> GetTempData();
	74	if (parser_data) delete parser_data;
	75
	76	delete m_Parser;
	77	delete m_FS;
	78	}
	79
	80
	81
	82	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	83	{
	84	m_RelatedFrame = frame;
	85	m_TitleFormat = format;
	86	}
	87
	88
	89
	90	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	91	{
	92	m_RelatedStatusBar = bar;
	93	}
269e8200 RD	94
	95
	96
89966d5c	97	void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, const int *sizes)
5526e819 VS	98	{
	99	m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
	100	if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage);
	101	}
	102
	103
	104
	105	bool wxHtmlWindow::SetPage(const wxString& source)
	106	{
	107	wxClientDC *dc = new wxClientDC(this);
	108
	109	dc -> SetMapMode(wxMM_TEXT);
	110	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
	111	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
	112	m_Parser -> SetDC(dc);
f61815af GL	113	if (m_Cell) {
	114	delete m_Cell;
	115	m_Cell = NULL;
	116	}
5526e819 VS	117	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	118	delete dc;
efba2b89 VS	119	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	120	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819 VS	121	CreateLayout();
	122	Refresh();
	123	return TRUE;
	124	}
	125
	126
	127	bool wxHtmlWindow::LoadPage(const wxString& location)
	128	{
	129	wxFSFile *f;
	130	bool rt_val;
a547ebff	131	wxBusyCursor b;
5526e819 VS	132
	133	m_tmpCanDraw = FALSE;
	134	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	135	int x, y;
	136	ViewStart(&x, &y);
	137	m_History[m_HistoryPos].SetPos(y);
	138	}
	139
	140	if (location[0] == '#') { // local anchor
	141	wxString anch = location.Mid(1) /1 to end/;
	142	m_tmpCanDraw = TRUE;
	143	rt_val = ScrollToAnchor(anch);
	144	}
	145
	146	else {
	147	// load&display it:
	148	if (m_RelatedStatusBar != -1) {
	149	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	150	Refresh();
	151	}
	152
	153	f = m_FS -> OpenFile(location);
	154	if (f == NULL) {
	155	wxString err;
	156
	157	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
5526e819	158	m_tmpCanDraw = TRUE;
483ff5a5 VS	159	Refresh();
483ff5a5 VS	160	wxMessageBox(err, "Error");
5526e819 VS	161	return FALSE;
	162	}
	163
	164	else {
	165	wxNode *node;
	166	wxString src = wxEmptyString;
	167
	168	if (m_RelatedStatusBar != -1) {
	169	wxString msg = _("Loading : ") + location;
	170	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	171	Refresh();
	172	}
	173
	174	node = m_Filters.GetFirst();
	175	while (node){
	176	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	177	if (h -> CanRead(*f)) {
	178	src = h -> ReadFile(*f);
	179	break;
	180	}
	181	node = node -> GetNext();
	182	}
a76015e6 VS	183	if (src == wxEmptyString) {
	184	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	185	src = m_DefaultFilter -> ReadFile(*f);
	186	}
5526e819 VS	187
	188	m_FS -> ChangePathTo(f -> GetLocation());
	189	rt_val = SetPage(src);
	190	m_OpenedPage = f -> GetLocation();
	191	if (f -> GetAnchor() != wxEmptyString) {
	192	m_tmpCanDraw = TRUE;
	193	ScrollToAnchor(f -> GetAnchor());
	194	m_tmpCanDraw = FALSE;
	195	}
	196
	197	delete f;
	198
	199	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	200	}
	201	}
	202
	203	if (m_HistoryOn) { // add this page to history there:
	204	int c = m_History.GetCount() - (m_HistoryPos + 1);
	205
	206	m_HistoryPos++;
	207	for (int i = 0; i < c; i++)
	208	m_History.Remove(m_HistoryPos);
	209	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	210	}
	211
	212	m_tmpCanDraw = TRUE;
	213	Refresh();
	214	return rt_val;
	215	}
	216
	217
	218
	219	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	220	{
efba2b89	221	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
5526e819 VS	222	if (!c) return FALSE;
	223	else {
	224	int y;
269e8200	225
5526e819	226	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	227	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	228	m_OpenedAnchor = anchor;
	229	return TRUE;
	230	}
	231	}
	232
	233
	234	void wxHtmlWindow::SetTitle(const wxString& title)
	235	{
	236	if (m_RelatedFrame) {
	237	wxString tit;
	238	tit.Printf(m_TitleFormat, title.c_str());
	239	m_RelatedFrame -> SetTitle(tit);
	240	}
	241	}
	242
	243
	244
	245
	246
	247	void wxHtmlWindow::CreateLayout()
	248	{
	249	int ClientWidth, ClientHeight;
	250
	251	if (!m_Cell) return;
a547ebff VS	252
a547ebff VS	253	if (m_Style == wxHW_SCROLLBAR_NEVER) {
60811dc6	254	SetScrollbars(1, 1, 0, 0); // always off
a547ebff VS	255	GetClientSize(&ClientWidth, &ClientHeight);
	256	m_Cell -> Layout(ClientWidth);
	257	}
	258
	259	else {
	260	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	261	#ifndef __WXMSW__
d54ed754 VS	262	// VS : this looks extremely ugly under windoze, better fix needed!
269e8200	263	SetScrollbars(1, 1, 0, ClientHeight * 2); // always on
d54ed754	264	#endif
a547ebff VS	265	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	266	m_Cell -> Layout(ClientWidth);
a47ad262	267	if (ClientHeight < m_Cell -> GetHeight()) {
efba2b89 VS	268	SetScrollbars(wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	269	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	270	m_Cell -> GetHeight() / wxHTML_SCROLL_STEP
a547ebff VS	271	/cheat: top-level frag is always container/);
a547ebff VS	272	}
a47ad262 VS	273	else { /* we fit into window, no need for scrollbars */
a47ad262 VS	274	SetScrollbars(1, 1, 0, 0); // disable...
d54ed754	275	GetClientSize(&ClientWidth, &ClientHeight);
a47ad262 VS	276	m_Cell -> Layout(ClientWidth); // ...and relayout
a47ad262 VS	277	}
a547ebff	278	}
5526e819 VS	279	}
5526e819 VS	280
269e8200	281
5526e819 VS	282
	283	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	284	{
	285	wxString oldpath;
	286	wxString tmp;
	287
	288	if (path != wxEmptyString) {
	289	oldpath = cfg -> GetPath();
	290	cfg -> SetPath(path);
	291	}
	292
	293	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
	294	m_Parser -> m_FontFaceFixed = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	295	m_Parser -> m_FontFaceNormal = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	296	m_Parser -> m_ItalicModeFixed = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
	297	m_Parser -> m_ItalicModeNormal = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
	298	for (int i = 0; i < 7; i++) {
66a77a74	299	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	300	m_Parser -> m_FontsSizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
	301	}
	302
	303	if (path != wxEmptyString)
	304	cfg -> SetPath(oldpath);
	305	}
	306
	307
	308
	309	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	310	{
	311	wxString oldpath;
	312	wxString tmp;
	313
	314	if (path != wxEmptyString) {
	315	oldpath = cfg -> GetPath();
	316	cfg -> SetPath(path);
	317	}
	318
	319	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	320	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	321	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	322	cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
	323	cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
	324	for (int i = 0; i < 7; i++) {
66a77a74	325	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	326	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	327	}
	328
	329	if (path != wxEmptyString)
	330	cfg -> SetPath(oldpath);
	331	}
	332
	333
	334
	335	bool wxHtmlWindow::HistoryBack()
	336	{
	337	wxString a, l;
	338
	339	if (m_HistoryPos < 1) return FALSE;
	340
	341	m_HistoryPos--;
	342
	343	l = m_History[m_HistoryPos].GetPage();
	344	a = m_History[m_HistoryPos].GetAnchor();
	345	m_HistoryOn = FALSE;
	346	if (a == wxEmptyString) LoadPage(l);
	347	else LoadPage(l + "#" + a);
	348	m_HistoryOn = TRUE;
	349	Scroll(0, m_History[m_HistoryPos].GetPos());
	350	Refresh();
	351	return TRUE;
	352	}
	353
	354
	355
	356	bool wxHtmlWindow::HistoryForward()
	357	{
	358	wxString a, l;
	359
	360	if (m_HistoryPos == -1) return FALSE;
	361	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	362
	363	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	364
	365	m_HistoryPos++;
	366	l = m_History[m_HistoryPos].GetPage();
	367	a = m_History[m_HistoryPos].GetAnchor();
	368	m_HistoryOn = FALSE;
	369	if (a == wxEmptyString) LoadPage(l);
	370	else LoadPage(l + "#" + a);
	371	m_HistoryOn = TRUE;
	372	Scroll(0, m_History[m_HistoryPos].GetPos());
	373	Refresh();
	374	return TRUE;
	375	}
	376
	377
	378
	379	void wxHtmlWindow::HistoryClear()
	380	{
	381	m_History.Empty();
	382	m_HistoryPos = -1;
	383	}
	384
	385
	386
	387	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	388	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	389
	390	void wxHtmlWindow::CleanUpStatics()
	391	{
	392	if (m_DefaultFilter) delete m_DefaultFilter;
	393	m_DefaultFilter = NULL;
269e8200 RD	394	m_Filters.DeleteContents(TRUE);
	395	m_Filters.Clear();
	396
a76015e6 VS	397	}
	398
	399
5526e819 VS	400
	401	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	402	{
5526e819 VS	403	m_Filters.Append(filter);
	404	}
	405
	406
	407
	408
	409	void wxHtmlWindow::OnLinkClicked(const wxString& link)
	410	{
	411	LoadPage(link);
	412	}
	413
	414
	415
	416	void wxHtmlWindow::OnDraw(wxDC& dc)
	417	{
	418	int x, y;
	419	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	420	int v_y, v_h;
	421
	422	if (!m_tmpCanDraw) return;
	423	dc.SetMapMode(wxMM_TEXT);
	424	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	425	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	426	#endif
	427	dc.SetBackgroundMode(wxTRANSPARENT);
	428	ViewStart(&x, &y);
	429
	430	while (upd) {
	431	v_y = upd.GetY();
	432	v_h = upd.GetH();
efba2b89	433	if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
5526e819 VS	434	upd++;
	435	}
	436	}
	437
	438
	439
	440
	441	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	442	{
	443	wxScrolledWindow::OnSize(event);
	444	CreateLayout();
	445	}
	446
	447
	448
	449	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	450	{
	451	int dummy;
	452	int sty, szy, cliy;
	453
	454	ViewStart(&dummy, &sty);
efba2b89 VS	455	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	456	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	457
	458	switch (event.KeyCode()) {
	459	case WXK_PAGEUP :
	460	case WXK_PRIOR :
	461	Scroll(-1, sty - cliy);
	462	break;
	463	case WXK_PAGEDOWN :
	464	case WXK_NEXT :
	465	Scroll(-1, sty + cliy);
	466	break;
	467	case WXK_HOME :
	468	Scroll(-1, 0);
	469	break;
	470	case WXK_END :
	471	Scroll(-1, szy - cliy);
	472	break;
	473	case WXK_UP :
	474	Scroll(-1, sty - 1);
	475	break;
	476	case WXK_DOWN :
	477	Scroll(-1, sty + 1);
	478	break;
	479	}
	480	}
	481
	482
	483
	484	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	485	{
	486	m_tmpMouseMoved = TRUE;
	487
	488	if (event.ButtonDown()) {
	489	int sx, sy;
	490	wxPoint pos;
	491	wxString lnk;
	492
efba2b89	493	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	494	pos = event.GetPosition();
	495
	496	if (m_Cell)
	497	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
	498	}
	499	}
	500
	501
	502
	503	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	504	{
	505	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	506
	507	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	508	int sx, sy;
	509	int x, y;
	510	wxString lnk;
	511
efba2b89	512	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	513	wxGetMousePosition(&x, &y);
	514	ScreenToClient(&x, &y);
	515	lnk = m_Cell -> GetLink(sx + x, sy + y);
	516
622ea783 VS	517	if (lnk != m_tmpLastLink) {
	518	if (lnk == wxEmptyString) {
	519	SetCursor(cur_arrow);
	520	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	521	}
	522	else {
	523	SetCursor(cur_hand);
	524	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
	525	}
	526	m_tmpLastLink = lnk;
5526e819 VS	527	}
	528	m_tmpMouseMoved = FALSE;
	529	}
	530	}
	531
	532
	533
	534
	535	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	536
	537	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	538	EVT_SIZE(wxHtmlWindow::OnSize)
	539	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	540	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	541	EVT_IDLE(wxHtmlWindow::OnIdle)
	542	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	543	END_EVENT_TABLE()
	544
	545
	546
	547
	548
a76015e6 VS	549	// A module to allow initialization/cleanup
	550	// without calling these functions from app.cpp or from
	551	// the user's application.
	552
	553	class wxHtmlWinModule: public wxModule
	554	{
	555	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	556	public:
	557	wxHtmlWinModule() : wxModule() {}
	558	bool OnInit() { return TRUE; }
	559	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	560	};
	561
	562	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	563
5526e819 VS	564
	565
	566
	567	///// default mod handlers are forced there:
	568
	569	FORCE_LINK(mod_layout)
	570	FORCE_LINK(mod_fonts)
	571	FORCE_LINK(mod_image)
	572	FORCE_LINK(mod_list)
	573	FORCE_LINK(mod_pre)
	574	FORCE_LINK(mod_hline)
	575	FORCE_LINK(mod_links)
	576	FORCE_LINK(mod_tables)
	577
	578
483ff5a5	579	#endif