[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 | wxHSCROLL, name)
{
    m_tmpMouseMoved = FALSE;
    m_tmpLastLink = NULL;
    m_tmpCanDrawLocks = 0;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = "%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_Style = style;
    SetPage("<html><body></body></html>");
}


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

    if (m_Cell) delete m_Cell;

    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, wxString fixed_face, const int *sizes)
{
    wxString op = m_OpenedPage;

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


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

    SetCursor(*wxHOURGLASS_CURSOR);
    wxYield();

    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] == '#') { // local anchor
        wxString anch = location.Mid(1) /*1 to end*/;
        m_tmpCanDrawLocks--;
        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(_("Unable to open requested location :\n\n%s"), WXSTRINGCAST location);
            m_tmpCanDrawLocks--;
            Refresh();
            wxMessageBox(err, "Error");

            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();
            }

            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_tmpCanDrawLocks--;
                ScrollToAnchor(f -> GetAnchor());
//                m_tmpCanDrawLocks++;
            }

            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));
    }

    SetCursor(*wxSTANDARD_CURSOR);

    wxYield();
    m_tmpCanDrawLocks--;
    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::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);
#ifndef __WXMSW__
        // VS : this looks extremely ugly under windoze, better fix needed!
        SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
#endif
        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("wxHtmlWindow/Borders", m_Borders);
    p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
    p_ffn = cfg -> Read("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("wxHtmlWindow/Borders", (long) m_Borders);
    cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
    cfg -> Write("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;

    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 + "#" + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    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;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    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 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();
}


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 - (2 * cliy / 3));
                break;
        case WXK_PAGEDOWN :
        case WXK_NEXT :
                Scroll(-1, sty + (2 * cliy / 3));
                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);
    }
}


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;
        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(cur_arrow);
                if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
            }
            else {
                SetCursor(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)
    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(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
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"
69941f05	29	#include "wx/html/forcelnk.h"
5526e819	30
5526e819 VS	31
	32	//-----------------------------------------------------------------------------
	33	// wxHtmlWindow
	34	//-----------------------------------------------------------------------------
	35
	36
	37
3096bd2f	38	#include "wx/arrimpl.cpp"
5526e819 VS	39	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	40
	41
269e8200	42	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
f3bcfd9b	43	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL \| wxHSCROLL, name)
5526e819 VS	44	{
5526e819 VS	45	m_tmpMouseMoved = FALSE;
846914d1	46	m_tmpLastLink = NULL;
89de9af3	47	m_tmpCanDrawLocks = 0;
5526e819 VS	48	m_FS = new wxFileSystem();
	49	m_RelatedStatusBar = -1;
	50	m_RelatedFrame = NULL;
	51	m_TitleFormat = "%s";
d5db80c2	52	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819 VS	53	m_Cell = NULL;
	54	m_Parser = new wxHtmlWinParser(this);
	55	m_Parser -> SetFS(m_FS);
	56	SetBorders(10);
	57	m_HistoryPos = -1;
	58	m_HistoryOn = TRUE;
a547ebff	59	m_Style = style;
5526e819 VS	60	SetPage("<html><body></body></html>");
	61	}
	62
	63
	64
	65	wxHtmlWindow::~wxHtmlWindow()
	66	{
	67	HistoryClear();
	68
	69	if (m_Cell) delete m_Cell;
	70
5526e819 VS	71	delete m_Parser;
	72	delete m_FS;
	73	}
	74
	75
	76
	77	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	78	{
	79	m_RelatedFrame = frame;
	80	m_TitleFormat = format;
	81	}
	82
	83
	84
	85	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	86	{
	87	m_RelatedStatusBar = bar;
	88	}
269e8200 RD	89
	90
	91
8eb2940f	92	void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
5526e819	93	{
d5db80c2 VS	94	wxString op = m_OpenedPage;
d5db80c2 VS	95
8eb2940f	96	m_Parser -> SetFonts(normal_face, fixed_face, sizes);
fb5700fe	97	SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
d5db80c2	98	if (!op.IsEmpty()) LoadPage(op);
5526e819 VS	99	}
	100
	101
	102
	103	bool wxHtmlWindow::SetPage(const wxString& source)
	104	{
	105	wxClientDC *dc = new wxClientDC(this);
	106
	107	dc -> SetMapMode(wxMM_TEXT);
	108	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
d5db80c2	109	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819	110	m_Parser -> SetDC(dc);
f61815af	111	if (m_Cell) {
89de9af3 VS	112	delete m_Cell;
89de9af3 VS	113	m_Cell = NULL;
f61815af	114	}
5526e819 VS	115	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	116	delete dc;
efba2b89 VS	117	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	118	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819	119	CreateLayout();
89de9af3	120	if (m_tmpCanDrawLocks == 0) Refresh();
5526e819 VS	121	return TRUE;
	122	}
	123
	124
	125	bool wxHtmlWindow::LoadPage(const wxString& location)
	126	{
	127	wxFSFile *f;
	128	bool rt_val;
169ee06c VS	129
	130	SetCursor(*wxHOURGLASS_CURSOR);
	131	wxYield();
5526e819	132
89de9af3	133	m_tmpCanDrawLocks++;
5526e819 VS	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/;
89de9af3	142	m_tmpCanDrawLocks--;
5526e819 VS	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
f3bcfd9b	157	err.Printf(_("Unable to open requested location :\n\n%s"), WXSTRINGCAST location);
89de9af3	158	m_tmpCanDrawLocks--;
483ff5a5 VS	159	Refresh();
483ff5a5 VS	160	wxMessageBox(err, "Error");
169ee06c VS	161
169ee06c VS	162	SetCursor(*wxSTANDARD_CURSOR);
5526e819 VS	163	return FALSE;
	164	}
	165
	166	else {
	167	wxNode *node;
	168	wxString src = wxEmptyString;
	169
	170	if (m_RelatedStatusBar != -1) {
	171	wxString msg = _("Loading : ") + location;
	172	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	173	Refresh();
	174	}
	175
	176	node = m_Filters.GetFirst();
	177	while (node){
	178	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	179	if (h -> CanRead(*f)) {
	180	src = h -> ReadFile(*f);
	181	break;
	182	}
	183	node = node -> GetNext();
	184	}
a76015e6	185	if (src == wxEmptyString) {
89de9af3 VS	186	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	187	src = m_DefaultFilter -> ReadFile(*f);
	188	}
5526e819 VS	189
	190	m_FS -> ChangePathTo(f -> GetLocation());
	191	rt_val = SetPage(src);
	192	m_OpenedPage = f -> GetLocation();
	193	if (f -> GetAnchor() != wxEmptyString) {
89de9af3	194	// m_tmpCanDrawLocks--;
5526e819	195	ScrollToAnchor(f -> GetAnchor());
89de9af3	196	// m_tmpCanDrawLocks++;
5526e819 VS	197	}
	198
	199	delete f;
	200
	201	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	202	}
	203	}
	204
	205	if (m_HistoryOn) { // add this page to history there:
	206	int c = m_History.GetCount() - (m_HistoryPos + 1);
	207
	208	m_HistoryPos++;
	209	for (int i = 0; i < c; i++)
	210	m_History.Remove(m_HistoryPos);
	211	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	212	}
	213
169ee06c VS	214	SetCursor(*wxSTANDARD_CURSOR);
169ee06c VS	215
89de9af3 VS	216	wxYield();
89de9af3 VS	217	m_tmpCanDrawLocks--;
5526e819 VS	218	Refresh();
	219	return rt_val;
	220	}
	221
	222
	223
	224	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	225	{
efba2b89	226	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
5526e819 VS	227	if (!c) return FALSE;
	228	else {
	229	int y;
269e8200	230
5526e819	231	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	232	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	233	m_OpenedAnchor = anchor;
	234	return TRUE;
	235	}
	236	}
	237
	238
d5db80c2	239	void wxHtmlWindow::OnSetTitle(const wxString& title)
5526e819 VS	240	{
	241	if (m_RelatedFrame) {
	242	wxString tit;
	243	tit.Printf(m_TitleFormat, title.c_str());
	244	m_RelatedFrame -> SetTitle(tit);
	245	}
d5db80c2	246	m_OpenedPageTitle = title;
5526e819 VS	247	}
	248
	249
	250
	251
	252
	253	void wxHtmlWindow::CreateLayout()
	254	{
	255	int ClientWidth, ClientHeight;
	256
	257	if (!m_Cell) return;
a547ebff VS	258
a547ebff VS	259	if (m_Style == wxHW_SCROLLBAR_NEVER) {
08d038e7	260	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
a547ebff VS	261	GetClientSize(&ClientWidth, &ClientHeight);
	262	m_Cell -> Layout(ClientWidth);
	263	}
	264
	265	else {
	266	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	267	#ifndef __WXMSW__
d54ed754 VS	268	// VS : this looks extremely ugly under windoze, better fix needed!
08d038e7	269	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
d54ed754	270	#endif
a547ebff VS	271	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	272	m_Cell -> Layout(ClientWidth);
f3bcfd9b VS	273	if (ClientHeight < m_Cell -> GetHeight() + GetCharHeight()) {
	274	SetScrollbars(
	275	wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	276	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	277	(m_Cell -> GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
	278	/cheat: top-level frag is always container/);
a547ebff	279	}
89de9af3	280	else { /* we fit into window, no need for scrollbars */
08d038e7	281	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
89de9af3 VS	282	GetClientSize(&ClientWidth, &ClientHeight);
	283	m_Cell -> Layout(ClientWidth); // ...and relayout
	284	}
a547ebff	285	}
5526e819 VS	286	}
5526e819 VS	287
269e8200	288
5526e819 VS	289
	290	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	291	{
	292	wxString oldpath;
	293	wxString tmp;
d5db80c2 VS	294	int p_fontsizes[7];
d5db80c2 VS	295	wxString p_fff, p_ffn;
5526e819 VS	296
	297	if (path != wxEmptyString) {
	298	oldpath = cfg -> GetPath();
	299	cfg -> SetPath(path);
	300	}
	301
	302	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
d5db80c2 VS	303	p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
d5db80c2 VS	304	p_ffn = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	305	for (int i = 0; i < 7; i++) {
66a77a74	306	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
d5db80c2	307	p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
5526e819	308	}
8eb2940f	309	SetFonts(p_ffn, p_fff, p_fontsizes);
5526e819 VS	310
	311	if (path != wxEmptyString)
	312	cfg -> SetPath(oldpath);
	313	}
	314
	315
	316
	317	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	318	{
	319	wxString oldpath;
	320	wxString tmp;
	321
	322	if (path != wxEmptyString) {
	323	oldpath = cfg -> GetPath();
	324	cfg -> SetPath(path);
	325	}
	326
	327	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	328	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	329	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	330	for (int i = 0; i < 7; i++) {
66a77a74	331	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	332	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	333	}
	334
	335	if (path != wxEmptyString)
	336	cfg -> SetPath(oldpath);
	337	}
	338
	339
	340
	341	bool wxHtmlWindow::HistoryBack()
	342	{
	343	wxString a, l;
	344
	345	if (m_HistoryPos < 1) return FALSE;
	346
	347	m_HistoryPos--;
	348
	349	l = m_History[m_HistoryPos].GetPage();
	350	a = m_History[m_HistoryPos].GetAnchor();
	351	m_HistoryOn = FALSE;
89de9af3	352	m_tmpCanDrawLocks++;
5526e819 VS	353	if (a == wxEmptyString) LoadPage(l);
	354	else LoadPage(l + "#" + a);
	355	m_HistoryOn = TRUE;
c88293a4	356	wxYield();
89de9af3	357	m_tmpCanDrawLocks--;
c88293a4	358	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	359	Refresh();
	360	return TRUE;
	361	}
	362
	363
	364
	365	bool wxHtmlWindow::HistoryForward()
	366	{
	367	wxString a, l;
	368
	369	if (m_HistoryPos == -1) return FALSE;
	370	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	371
	372	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	373
	374	m_HistoryPos++;
	375	l = m_History[m_HistoryPos].GetPage();
	376	a = m_History[m_HistoryPos].GetAnchor();
	377	m_HistoryOn = FALSE;
89de9af3	378	m_tmpCanDrawLocks++;
5526e819 VS	379	if (a == wxEmptyString) LoadPage(l);
	380	else LoadPage(l + "#" + a);
	381	m_HistoryOn = TRUE;
c88293a4	382	wxYield();
89de9af3	383	m_tmpCanDrawLocks--;
c88293a4	384	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	385	Refresh();
	386	return TRUE;
	387	}
	388
	389
	390
	391	void wxHtmlWindow::HistoryClear()
	392	{
	393	m_History.Empty();
	394	m_HistoryPos = -1;
	395	}
	396
	397
	398
	399	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	400	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	401
	402	void wxHtmlWindow::CleanUpStatics()
	403	{
	404	if (m_DefaultFilter) delete m_DefaultFilter;
	405	m_DefaultFilter = NULL;
269e8200 RD	406	m_Filters.DeleteContents(TRUE);
	407	m_Filters.Clear();
	408
a76015e6 VS	409	}
	410
	411
5526e819 VS	412
	413	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	414	{
5526e819 VS	415	m_Filters.Append(filter);
	416	}
	417
	418
	419
	420
0b2dadd3	421	void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
5526e819	422	{
0b2dadd3	423	LoadPage(link.GetHref());
5526e819 VS	424	}
	425
	426
	427
	428	void wxHtmlWindow::OnDraw(wxDC& dc)
	429	{
	430	int x, y;
	431	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	432	int v_y, v_h;
	433
89de9af3	434	if (m_tmpCanDrawLocks > 0) return;
5526e819	435	dc.SetMapMode(wxMM_TEXT);
2faa3a6b VS	436	#if 0
	437	/* VS - I don't think this is neccessary any longer
	438	MSC_VER 1200 means MSVC 6.0 and it works fine */
5526e819 VS	439	#if defined(_MSC_VER) && (_MSC_VER == 1200)
5526e819 VS	440	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
2faa3a6b	441	#endif
5526e819 VS	442	#endif
	443	dc.SetBackgroundMode(wxTRANSPARENT);
	444	ViewStart(&x, &y);
	445
	446	while (upd) {
	447	v_y = upd.GetY();
	448	v_h = upd.GetH();
efba2b89	449	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	450	upd++;
	451	}
	452	}
	453
	454
	455
	456
	457	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	458	{
	459	wxScrolledWindow::OnSize(event);
	460	CreateLayout();
	461	}
	462
	463
	464
	465	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	466	{
	467	int dummy;
	468	int sty, szy, cliy;
	469
	470	ViewStart(&dummy, &sty);
efba2b89 VS	471	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	472	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	473
	474	switch (event.KeyCode()) {
	475	case WXK_PAGEUP :
6aef9caf VS	476	case WXK_PRIOR :
6aef9caf VS	477	Scroll(-1, sty - (2 * cliy / 3));
5526e819 VS	478	break;
5526e819 VS	479	case WXK_PAGEDOWN :
6aef9caf VS	480	case WXK_NEXT :
6aef9caf VS	481	Scroll(-1, sty + (2 * cliy / 3));
5526e819 VS	482	break;
	483	case WXK_HOME :
	484	Scroll(-1, 0);
	485	break;
	486	case WXK_END :
	487	Scroll(-1, szy - cliy);
	488	break;
	489	case WXK_UP :
	490	Scroll(-1, sty - 1);
	491	break;
	492	case WXK_DOWN :
	493	Scroll(-1, sty + 1);
	494	break;
	495	}
	496	}
	497
	498
	499
	500	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	501	{
	502	m_tmpMouseMoved = TRUE;
	503
	504	if (event.ButtonDown()) {
	505	int sx, sy;
	506	wxPoint pos;
	507	wxString lnk;
	508
efba2b89	509	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	510	pos = event.GetPosition();
	511
	512	if (m_Cell)
0b2dadd3	513	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event);
5526e819 VS	514	}
	515	}
	516
	517
	518
	519	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	520	{
	521	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	522
	523	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	524	int sx, sy;
	525	int x, y;
846914d1	526	wxHtmlLinkInfo *lnk;
5526e819	527
efba2b89	528	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	529	wxGetMousePosition(&x, &y);
	530	ScreenToClient(&x, &y);
	531	lnk = m_Cell -> GetLink(sx + x, sy + y);
	532
622ea783	533	if (lnk != m_tmpLastLink) {
846914d1	534	if (lnk == NULL) {
622ea783 VS	535	SetCursor(cur_arrow);
	536	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	537	}
	538	else {
	539	SetCursor(cur_hand);
846914d1 VS	540	if (m_RelatedStatusBar != -1)
846914d1 VS	541	m_RelatedFrame -> SetStatusText(lnk -> GetHref(), m_RelatedStatusBar);
622ea783 VS	542	}
622ea783 VS	543	m_tmpLastLink = lnk;
5526e819 VS	544	}
	545	m_tmpMouseMoved = FALSE;
	546	}
	547	}
	548
	549
	550
	551
	552	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	553
	554	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	555	EVT_SIZE(wxHtmlWindow::OnSize)
	556	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	557	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	558	EVT_IDLE(wxHtmlWindow::OnIdle)
	559	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	560	END_EVENT_TABLE()
	561
	562
	563
	564
	565
a76015e6 VS	566	// A module to allow initialization/cleanup
	567	// without calling these functions from app.cpp or from
	568	// the user's application.
	569
	570	class wxHtmlWinModule: public wxModule
	571	{
	572	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	573	public:
	574	wxHtmlWinModule() : wxModule() {}
	575	bool OnInit() { return TRUE; }
	576	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	577	};
	578
	579	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	580
5526e819 VS	581
	582
	583
	584	///// default mod handlers are forced there:
	585
c88293a4 VS	586	FORCE_LINK(m_layout)
	587	FORCE_LINK(m_fonts)
	588	FORCE_LINK(m_image)
	589	FORCE_LINK(m_list)
	590	FORCE_LINK(m_dflist)
	591	FORCE_LINK(m_pre)
	592	FORCE_LINK(m_hline)
	593	FORCE_LINK(m_links)
	594	FORCE_LINK(m_tables)
fa146dd7	595	FORCE_LINK(m_meta)
5526e819 VS	596
5526e819 VS	597
483ff5a5	598	#endif