[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"
#include "wx/log.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;

            wxLogError(_("Unable to open requested HTML document: %s"), location.mb_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();
            }

            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));
    }

    if (m_OpenedPageTitle == wxEmptyString)
        OnSetTitle(wxFileNameFromPath(m_OpenedPage));
    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)
    {
        wxLogWarning(_("HTML anchor %s does not exist."), anchor.mb_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);
#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 - (5 * cliy / 6));
                break;
        case WXK_PAGEDOWN :
        case WXK_NEXT :
                Scroll(-1, sty + (5 * cliy / 6));
                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"
f3c82859	30	#include "wx/log.h"
5526e819	31
5526e819 VS	32
	33	//-----------------------------------------------------------------------------
	34	// wxHtmlWindow
	35	//-----------------------------------------------------------------------------
	36
	37
	38
3096bd2f	39	#include "wx/arrimpl.cpp"
5526e819 VS	40	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	41
	42
269e8200	43	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
f3bcfd9b	44	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL \| wxHSCROLL, name)
5526e819 VS	45	{
5526e819 VS	46	m_tmpMouseMoved = FALSE;
846914d1	47	m_tmpLastLink = NULL;
89de9af3	48	m_tmpCanDrawLocks = 0;
5526e819 VS	49	m_FS = new wxFileSystem();
	50	m_RelatedStatusBar = -1;
	51	m_RelatedFrame = NULL;
	52	m_TitleFormat = "%s";
d5db80c2	53	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819 VS	54	m_Cell = NULL;
	55	m_Parser = new wxHtmlWinParser(this);
	56	m_Parser -> SetFS(m_FS);
	57	SetBorders(10);
	58	m_HistoryPos = -1;
	59	m_HistoryOn = TRUE;
a547ebff	60	m_Style = style;
5526e819 VS	61	SetPage("<html><body></body></html>");
	62	}
	63
	64
	65
	66	wxHtmlWindow::~wxHtmlWindow()
	67	{
	68	HistoryClear();
	69
	70	if (m_Cell) delete m_Cell;
	71
5526e819 VS	72	delete m_Parser;
	73	delete m_FS;
	74	}
	75
	76
	77
	78	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	79	{
	80	m_RelatedFrame = frame;
	81	m_TitleFormat = format;
	82	}
	83
	84
	85
	86	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	87	{
	88	m_RelatedStatusBar = bar;
	89	}
269e8200 RD	90
	91
	92
8eb2940f	93	void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
5526e819	94	{
d5db80c2 VS	95	wxString op = m_OpenedPage;
d5db80c2 VS	96
8eb2940f	97	m_Parser -> SetFonts(normal_face, fixed_face, sizes);
fb5700fe	98	SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
d5db80c2	99	if (!op.IsEmpty()) LoadPage(op);
5526e819 VS	100	}
	101
	102
	103
	104	bool wxHtmlWindow::SetPage(const wxString& source)
	105	{
	106	wxClientDC *dc = new wxClientDC(this);
	107
	108	dc -> SetMapMode(wxMM_TEXT);
	109	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
d5db80c2	110	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819	111	m_Parser -> SetDC(dc);
f61815af	112	if (m_Cell) {
89de9af3 VS	113	delete m_Cell;
89de9af3 VS	114	m_Cell = NULL;
f61815af	115	}
5526e819 VS	116	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	117	delete dc;
efba2b89 VS	118	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	119	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819	120	CreateLayout();
89de9af3	121	if (m_tmpCanDrawLocks == 0) Refresh();
5526e819 VS	122	return TRUE;
	123	}
	124
	125
	126	bool wxHtmlWindow::LoadPage(const wxString& location)
	127	{
	128	wxFSFile *f;
	129	bool rt_val;
169ee06c VS	130
	131	SetCursor(*wxHOURGLASS_CURSOR);
	132	wxYield();
5526e819	133
89de9af3	134	m_tmpCanDrawLocks++;
5526e819 VS	135	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	136	int x, y;
	137	ViewStart(&x, &y);
	138	m_History[m_HistoryPos].SetPos(y);
	139	}
	140
	141	if (location[0] == '#') { // local anchor
	142	wxString anch = location.Mid(1) /1 to end/;
89de9af3	143	m_tmpCanDrawLocks--;
5526e819 VS	144	rt_val = ScrollToAnchor(anch);
	145	}
	146
	147	else {
	148	// load&display it:
	149	if (m_RelatedStatusBar != -1) {
	150	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	151	Refresh();
	152	}
	153
	154	f = m_FS -> OpenFile(location);
	155	if (f == NULL) {
	156	wxString err;
	157
f3c82859	158	wxLogError(_("Unable to open requested HTML document: %s"), location.mb_str());
89de9af3	159	m_tmpCanDrawLocks--;
169ee06c VS	160
169ee06c VS	161	SetCursor(*wxSTANDARD_CURSOR);
5526e819 VS	162	return FALSE;
	163	}
	164
	165	else {
	166	wxNode *node;
	167	wxString src = wxEmptyString;
	168
	169	if (m_RelatedStatusBar != -1) {
	170	wxString msg = _("Loading : ") + location;
	171	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	172	Refresh();
	173	}
	174
	175	node = m_Filters.GetFirst();
	176	while (node){
	177	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	178	if (h -> CanRead(*f)) {
	179	src = h -> ReadFile(*f);
	180	break;
	181	}
	182	node = node -> GetNext();
	183	}
a76015e6	184	if (src == wxEmptyString) {
89de9af3 VS	185	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	186	src = m_DefaultFilter -> ReadFile(*f);
	187	}
5526e819 VS	188
	189	m_FS -> ChangePathTo(f -> GetLocation());
	190	rt_val = SetPage(src);
	191	m_OpenedPage = f -> GetLocation();
	192	if (f -> GetAnchor() != wxEmptyString) {
89de9af3	193	// m_tmpCanDrawLocks--;
5526e819	194	ScrollToAnchor(f -> GetAnchor());
89de9af3	195	// m_tmpCanDrawLocks++;
5526e819 VS	196	}
	197
	198	delete f;
	199
	200	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	201	}
	202	}
	203
	204	if (m_HistoryOn) { // add this page to history there:
	205	int c = m_History.GetCount() - (m_HistoryPos + 1);
	206
	207	m_HistoryPos++;
	208	for (int i = 0; i < c; i++)
	209	m_History.Remove(m_HistoryPos);
	210	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	211	}
	212
096824d7 VS	213	if (m_OpenedPageTitle == wxEmptyString)
096824d7 VS	214	OnSetTitle(wxFileNameFromPath(m_OpenedPage));
169ee06c	215	SetCursor(*wxSTANDARD_CURSOR);
096824d7	216
89de9af3 VS	217	wxYield();
89de9af3 VS	218	m_tmpCanDrawLocks--;
5526e819 VS	219	Refresh();
	220	return rt_val;
	221	}
	222
	223
	224
	225	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	226	{
efba2b89	227	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
f3c82859 VS	228	if (!c)
	229	{
	230	wxLogWarning(_("HTML anchor %s does not exist."), anchor.mb_str());
	231	return FALSE;
	232	}
5526e819 VS	233	else {
5526e819 VS	234	int y;
269e8200	235
5526e819	236	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	237	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	238	m_OpenedAnchor = anchor;
	239	return TRUE;
	240	}
	241	}
	242
	243
d5db80c2	244	void wxHtmlWindow::OnSetTitle(const wxString& title)
5526e819 VS	245	{
	246	if (m_RelatedFrame) {
	247	wxString tit;
	248	tit.Printf(m_TitleFormat, title.c_str());
	249	m_RelatedFrame -> SetTitle(tit);
	250	}
d5db80c2	251	m_OpenedPageTitle = title;
5526e819 VS	252	}
	253
	254
	255
	256
	257
	258	void wxHtmlWindow::CreateLayout()
	259	{
	260	int ClientWidth, ClientHeight;
	261
	262	if (!m_Cell) return;
a547ebff VS	263
a547ebff VS	264	if (m_Style == wxHW_SCROLLBAR_NEVER) {
08d038e7	265	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
a547ebff VS	266	GetClientSize(&ClientWidth, &ClientHeight);
	267	m_Cell -> Layout(ClientWidth);
	268	}
	269
	270	else {
	271	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	272	#ifndef __WXMSW__
d54ed754 VS	273	// VS : this looks extremely ugly under windoze, better fix needed!
08d038e7	274	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
d54ed754	275	#endif
a547ebff VS	276	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	277	m_Cell -> Layout(ClientWidth);
f3bcfd9b VS	278	if (ClientHeight < m_Cell -> GetHeight() + GetCharHeight()) {
	279	SetScrollbars(
	280	wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	281	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	282	(m_Cell -> GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
	283	/cheat: top-level frag is always container/);
a547ebff	284	}
89de9af3	285	else { /* we fit into window, no need for scrollbars */
08d038e7	286	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
89de9af3 VS	287	GetClientSize(&ClientWidth, &ClientHeight);
	288	m_Cell -> Layout(ClientWidth); // ...and relayout
	289	}
a547ebff	290	}
5526e819 VS	291	}
5526e819 VS	292
269e8200	293
5526e819 VS	294
	295	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	296	{
	297	wxString oldpath;
	298	wxString tmp;
d5db80c2 VS	299	int p_fontsizes[7];
d5db80c2 VS	300	wxString p_fff, p_ffn;
5526e819 VS	301
	302	if (path != wxEmptyString) {
	303	oldpath = cfg -> GetPath();
	304	cfg -> SetPath(path);
	305	}
	306
	307	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
d5db80c2 VS	308	p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
d5db80c2 VS	309	p_ffn = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	310	for (int i = 0; i < 7; i++) {
66a77a74	311	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
d5db80c2	312	p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
5526e819	313	}
8eb2940f	314	SetFonts(p_ffn, p_fff, p_fontsizes);
5526e819 VS	315
	316	if (path != wxEmptyString)
	317	cfg -> SetPath(oldpath);
	318	}
	319
	320
	321
	322	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	323	{
	324	wxString oldpath;
	325	wxString tmp;
	326
	327	if (path != wxEmptyString) {
	328	oldpath = cfg -> GetPath();
	329	cfg -> SetPath(path);
	330	}
	331
	332	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	333	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	334	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	335	for (int i = 0; i < 7; i++) {
66a77a74	336	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	337	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	338	}
	339
	340	if (path != wxEmptyString)
	341	cfg -> SetPath(oldpath);
	342	}
	343
	344
	345
	346	bool wxHtmlWindow::HistoryBack()
	347	{
	348	wxString a, l;
	349
	350	if (m_HistoryPos < 1) return FALSE;
	351
	352	m_HistoryPos--;
	353
	354	l = m_History[m_HistoryPos].GetPage();
	355	a = m_History[m_HistoryPos].GetAnchor();
	356	m_HistoryOn = FALSE;
89de9af3	357	m_tmpCanDrawLocks++;
5526e819 VS	358	if (a == wxEmptyString) LoadPage(l);
	359	else LoadPage(l + "#" + a);
	360	m_HistoryOn = TRUE;
c88293a4	361	wxYield();
89de9af3	362	m_tmpCanDrawLocks--;
c88293a4	363	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	364	Refresh();
	365	return TRUE;
	366	}
	367
	368
	369
	370	bool wxHtmlWindow::HistoryForward()
	371	{
	372	wxString a, l;
	373
	374	if (m_HistoryPos == -1) return FALSE;
	375	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	376
	377	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	378
	379	m_HistoryPos++;
	380	l = m_History[m_HistoryPos].GetPage();
	381	a = m_History[m_HistoryPos].GetAnchor();
	382	m_HistoryOn = FALSE;
89de9af3	383	m_tmpCanDrawLocks++;
5526e819 VS	384	if (a == wxEmptyString) LoadPage(l);
	385	else LoadPage(l + "#" + a);
	386	m_HistoryOn = TRUE;
c88293a4	387	wxYield();
89de9af3	388	m_tmpCanDrawLocks--;
c88293a4	389	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	390	Refresh();
	391	return TRUE;
	392	}
	393
	394
	395
	396	void wxHtmlWindow::HistoryClear()
	397	{
	398	m_History.Empty();
	399	m_HistoryPos = -1;
	400	}
	401
	402
	403
	404	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	405	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	406
	407	void wxHtmlWindow::CleanUpStatics()
	408	{
	409	if (m_DefaultFilter) delete m_DefaultFilter;
	410	m_DefaultFilter = NULL;
269e8200 RD	411	m_Filters.DeleteContents(TRUE);
	412	m_Filters.Clear();
	413
a76015e6 VS	414	}
	415
	416
5526e819 VS	417
	418	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	419	{
5526e819 VS	420	m_Filters.Append(filter);
	421	}
	422
	423
	424
	425
0b2dadd3	426	void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
5526e819	427	{
0b2dadd3	428	LoadPage(link.GetHref());
5526e819 VS	429	}
	430
	431
	432
	433	void wxHtmlWindow::OnDraw(wxDC& dc)
	434	{
	435	int x, y;
	436	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	437	int v_y, v_h;
	438
89de9af3	439	if (m_tmpCanDrawLocks > 0) return;
5526e819	440	dc.SetMapMode(wxMM_TEXT);
2faa3a6b VS	441	#if 0
	442	/* VS - I don't think this is neccessary any longer
	443	MSC_VER 1200 means MSVC 6.0 and it works fine */
5526e819 VS	444	#if defined(_MSC_VER) && (_MSC_VER == 1200)
5526e819 VS	445	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
2faa3a6b	446	#endif
5526e819 VS	447	#endif
	448	dc.SetBackgroundMode(wxTRANSPARENT);
	449	ViewStart(&x, &y);
	450
	451	while (upd) {
	452	v_y = upd.GetY();
	453	v_h = upd.GetH();
efba2b89	454	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	455	upd++;
	456	}
	457	}
	458
	459
	460
	461
	462	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	463	{
	464	wxScrolledWindow::OnSize(event);
	465	CreateLayout();
	466	}
	467
	468
	469
	470	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	471	{
	472	int dummy;
	473	int sty, szy, cliy;
	474
	475	ViewStart(&dummy, &sty);
efba2b89 VS	476	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	477	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	478
	479	switch (event.KeyCode()) {
	480	case WXK_PAGEUP :
6aef9caf	481	case WXK_PRIOR :
f3c82859	482	Scroll(-1, sty - (5 * cliy / 6));
5526e819 VS	483	break;
5526e819 VS	484	case WXK_PAGEDOWN :
6aef9caf	485	case WXK_NEXT :
f3c82859	486	Scroll(-1, sty + (5 * cliy / 6));
5526e819 VS	487	break;
	488	case WXK_HOME :
	489	Scroll(-1, 0);
	490	break;
	491	case WXK_END :
	492	Scroll(-1, szy - cliy);
	493	break;
	494	case WXK_UP :
	495	Scroll(-1, sty - 1);
	496	break;
	497	case WXK_DOWN :
	498	Scroll(-1, sty + 1);
	499	break;
	500	}
	501	}
	502
	503
	504
	505	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	506	{
	507	m_tmpMouseMoved = TRUE;
	508
	509	if (event.ButtonDown()) {
	510	int sx, sy;
	511	wxPoint pos;
	512	wxString lnk;
	513
efba2b89	514	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	515	pos = event.GetPosition();
	516
	517	if (m_Cell)
0b2dadd3	518	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event);
5526e819 VS	519	}
	520	}
	521
	522
	523
	524	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	525	{
	526	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	527
	528	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	529	int sx, sy;
	530	int x, y;
846914d1	531	wxHtmlLinkInfo *lnk;
5526e819	532
efba2b89	533	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	534	wxGetMousePosition(&x, &y);
	535	ScreenToClient(&x, &y);
	536	lnk = m_Cell -> GetLink(sx + x, sy + y);
	537
622ea783	538	if (lnk != m_tmpLastLink) {
846914d1	539	if (lnk == NULL) {
622ea783 VS	540	SetCursor(cur_arrow);
	541	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	542	}
	543	else {
	544	SetCursor(cur_hand);
846914d1 VS	545	if (m_RelatedStatusBar != -1)
846914d1 VS	546	m_RelatedFrame -> SetStatusText(lnk -> GetHref(), m_RelatedStatusBar);
622ea783 VS	547	}
622ea783 VS	548	m_tmpLastLink = lnk;
5526e819 VS	549	}
	550	m_tmpMouseMoved = FALSE;
	551	}
	552	}
	553
	554
	555
	556
	557	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	558
	559	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	560	EVT_SIZE(wxHtmlWindow::OnSize)
	561	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	562	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	563	EVT_IDLE(wxHtmlWindow::OnIdle)
	564	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	565	END_EVENT_TABLE()
	566
	567
	568
	569
	570
a76015e6 VS	571	// A module to allow initialization/cleanup
	572	// without calling these functions from app.cpp or from
	573	// the user's application.
	574
	575	class wxHtmlWinModule: public wxModule
	576	{
	577	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	578	public:
	579	wxHtmlWinModule() : wxModule() {}
	580	bool OnInit() { return TRUE; }
	581	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	582	};
	583
	584	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	585
5526e819 VS	586
	587
	588
	589	///// default mod handlers are forced there:
	590
c88293a4 VS	591	FORCE_LINK(m_layout)
	592	FORCE_LINK(m_fonts)
	593	FORCE_LINK(m_image)
	594	FORCE_LINK(m_list)
	595	FORCE_LINK(m_dflist)
	596	FORCE_LINK(m_pre)
	597	FORCE_LINK(m_hline)
	598	FORCE_LINK(m_links)
	599	FORCE_LINK(m_tables)
fa146dd7	600	FORCE_LINK(m_meta)
5526e819 VS	601
5526e819 VS	602
483ff5a5	603	#endif