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_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;

    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)
{
    wxString op = m_OpenedPage;

    m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, 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(_("The browser is 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(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;
    int p_fontsizes[7];
    wxString p_fff, p_ffn;
    int p_imf, p_imn;

    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);
    p_imf = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
    p_imn = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
    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_imn, p_fff, p_imf, 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);
    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;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    Scroll(0, m_History[m_HistoryPos].GetPos());
//    wxYield();
    m_tmpCanDrawLocks--;
    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;
    Scroll(0, m_History[m_HistoryPos].GetPos());
//    wxYield();
    m_tmpCanDrawLocks--;
    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_tmpCanDrawLocks > 0) 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
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmlwin.cpp
	3	// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
	4	// Author: Vaclav Slavik
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation
	13	#endif
	14
	15	#include "wx/wxprec.h"
	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML
	19
	20	#ifdef __BORDLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
	25	#include "wx/wx.h"
	26	#endif
	27
	28	#include "wx/html/htmlwin.h"
	29	#include "wx/html/forcelnk.h"
	30
	31
	32
	33	//-----------------------------------------------------------------------------
	34	// wxHtmlWindow
	35	//-----------------------------------------------------------------------------
	36
	37
	38
	39	#include "wx/arrimpl.cpp"
	40	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	41
	42
	43	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
	44	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name)
	45	{
	46	m_tmpMouseMoved = FALSE;
	47	m_tmpLastLink = wxEmptyString;
	48	m_tmpCanDrawLocks = 0;
	49	m_FS = new wxFileSystem();
	50	m_RelatedStatusBar = -1;
	51	m_RelatedFrame = NULL;
	52	m_TitleFormat = "%s";
	53	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
	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;
	60	m_Style = style;
	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
	72	wxList *parser_data = m_Parser -> GetTempData();
	73	if (parser_data) delete parser_data;
	74
	75	delete m_Parser;
	76	delete m_FS;
	77	}
	78
	79
	80
	81	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	82	{
	83	m_RelatedFrame = frame;
	84	m_TitleFormat = format;
	85	}
	86
	87
	88
	89	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	90	{
	91	m_RelatedStatusBar = bar;
	92	}
	93
	94
	95
	96	void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, const int *sizes)
	97	{
	98	wxString op = m_OpenedPage;
	99
	100	m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
	101	SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
	102	if (!op.IsEmpty()) LoadPage(op);
	103	}
	104
	105
	106
	107	bool wxHtmlWindow::SetPage(const wxString& source)
	108	{
	109	wxClientDC *dc = new wxClientDC(this);
	110
	111	dc -> SetMapMode(wxMM_TEXT);
	112	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
	113	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
	114	m_Parser -> SetDC(dc);
	115	if (m_Cell) {
	116	delete m_Cell;
	117	m_Cell = NULL;
	118	}
	119	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
	120	delete dc;
	121	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	122	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
	123	CreateLayout();
	124	if (m_tmpCanDrawLocks == 0) Refresh();
	125	return TRUE;
	126	}
	127
	128
	129	bool wxHtmlWindow::LoadPage(const wxString& location)
	130	{
	131	wxFSFile *f;
	132	bool rt_val;
	133
	134	SetCursor(*wxHOURGLASS_CURSOR);
	135	wxYield();
	136
	137	m_tmpCanDrawLocks++;
	138	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	139	int x, y;
	140	ViewStart(&x, &y);
	141	m_History[m_HistoryPos].SetPos(y);
	142	}
	143
	144	if (location[0] == '#') { // local anchor
	145	wxString anch = location.Mid(1) /1 to end/;
	146	m_tmpCanDrawLocks--;
	147	rt_val = ScrollToAnchor(anch);
	148	}
	149
	150	else {
	151	// load&display it:
	152	if (m_RelatedStatusBar != -1) {
	153	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	154	Refresh();
	155	}
	156
	157	f = m_FS -> OpenFile(location);
	158	if (f == NULL) {
	159	wxString err;
	160
	161	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
	162	m_tmpCanDrawLocks--;
	163	Refresh();
	164	wxMessageBox(err, "Error");
	165
	166	SetCursor(*wxSTANDARD_CURSOR);
	167	return FALSE;
	168	}
	169
	170	else {
	171	wxNode *node;
	172	wxString src = wxEmptyString;
	173
	174	if (m_RelatedStatusBar != -1) {
	175	wxString msg = _("Loading : ") + location;
	176	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	177	Refresh();
	178	}
	179
	180	node = m_Filters.GetFirst();
	181	while (node){
	182	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	183	if (h -> CanRead(*f)) {
	184	src = h -> ReadFile(*f);
	185	break;
	186	}
	187	node = node -> GetNext();
	188	}
	189	if (src == wxEmptyString) {
	190	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	191	src = m_DefaultFilter -> ReadFile(*f);
	192	}
	193
	194	m_FS -> ChangePathTo(f -> GetLocation());
	195	rt_val = SetPage(src);
	196	m_OpenedPage = f -> GetLocation();
	197	if (f -> GetAnchor() != wxEmptyString) {
	198	// m_tmpCanDrawLocks--;
	199	ScrollToAnchor(f -> GetAnchor());
	200	// m_tmpCanDrawLocks++;
	201	}
	202
	203	delete f;
	204
	205	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	206	}
	207	}
	208
	209	if (m_HistoryOn) { // add this page to history there:
	210	int c = m_History.GetCount() - (m_HistoryPos + 1);
	211
	212	m_HistoryPos++;
	213	for (int i = 0; i < c; i++)
	214	m_History.Remove(m_HistoryPos);
	215	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	216	}
	217
	218	SetCursor(*wxSTANDARD_CURSOR);
	219
	220	wxYield();
	221	m_tmpCanDrawLocks--;
	222	Refresh();
	223	return rt_val;
	224	}
	225
	226
	227
	228	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	229	{
	230	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
	231	if (!c) return FALSE;
	232	else {
	233	int y;
	234
	235	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
	236	Scroll(-1, y / wxHTML_SCROLL_STEP);
	237	m_OpenedAnchor = anchor;
	238	return TRUE;
	239	}
	240	}
	241
	242
	243	void wxHtmlWindow::OnSetTitle(const wxString& title)
	244	{
	245	if (m_RelatedFrame) {
	246	wxString tit;
	247	tit.Printf(m_TitleFormat, title.c_str());
	248	m_RelatedFrame -> SetTitle(tit);
	249	}
	250	m_OpenedPageTitle = title;
	251	}
	252
	253
	254
	255
	256
	257	void wxHtmlWindow::CreateLayout()
	258	{
	259	int ClientWidth, ClientHeight;
	260
	261	if (!m_Cell) return;
	262
	263	if (m_Style == wxHW_SCROLLBAR_NEVER) {
	264	SetScrollbars(1, 1, 0, 0); // always off
	265	GetClientSize(&ClientWidth, &ClientHeight);
	266	m_Cell -> Layout(ClientWidth);
	267	}
	268
	269	else {
	270	GetClientSize(&ClientWidth, &ClientHeight);
	271	#ifndef __WXMSW__
	272	// VS : this looks extremely ugly under windoze, better fix needed!
	273	SetScrollbars(1, 1, 0, ClientHeight * 2); // always on
	274	#endif
	275	GetClientSize(&ClientWidth, &ClientHeight);
	276	m_Cell -> Layout(ClientWidth);
	277	if (ClientHeight < m_Cell -> GetHeight()) {
	278	SetScrollbars(wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	279	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	280	m_Cell -> GetHeight() / wxHTML_SCROLL_STEP
	281	/cheat: top-level frag is always container/);
	282	}
	283	else { /* we fit into window, no need for scrollbars */
	284	SetScrollbars(1, 1, 0, 0); // disable...
	285	GetClientSize(&ClientWidth, &ClientHeight);
	286	m_Cell -> Layout(ClientWidth); // ...and relayout
	287	}
	288	}
	289	}
	290
	291
	292
	293	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	294	{
	295	wxString oldpath;
	296	wxString tmp;
	297	int p_fontsizes[7];
	298	wxString p_fff, p_ffn;
	299	int p_imf, p_imn;
	300
	301	if (path != wxEmptyString) {
	302	oldpath = cfg -> GetPath();
	303	cfg -> SetPath(path);
	304	}
	305
	306	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
	307	p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	308	p_ffn = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	309	p_imf = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
	310	p_imn = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
	311	for (int i = 0; i < 7; i++) {
	312	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
	313	p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
	314	}
	315	SetFonts(p_ffn, p_imn, p_fff, p_imf, p_fontsizes);
	316
	317	if (path != wxEmptyString)
	318	cfg -> SetPath(oldpath);
	319	}
	320
	321
	322
	323	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	324	{
	325	wxString oldpath;
	326	wxString tmp;
	327
	328	if (path != wxEmptyString) {
	329	oldpath = cfg -> GetPath();
	330	cfg -> SetPath(path);
	331	}
	332
	333	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	334	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	335	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	336	cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
	337	cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
	338	for (int i = 0; i < 7; i++) {
	339	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
	340	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	341	}
	342
	343	if (path != wxEmptyString)
	344	cfg -> SetPath(oldpath);
	345	}
	346
	347
	348
	349	bool wxHtmlWindow::HistoryBack()
	350	{
	351	wxString a, l;
	352
	353	if (m_HistoryPos < 1) return FALSE;
	354
	355	m_HistoryPos--;
	356
	357	l = m_History[m_HistoryPos].GetPage();
	358	a = m_History[m_HistoryPos].GetAnchor();
	359	m_HistoryOn = FALSE;
	360	m_tmpCanDrawLocks++;
	361	if (a == wxEmptyString) LoadPage(l);
	362	else LoadPage(l + "#" + a);
	363	m_HistoryOn = TRUE;
	364	Scroll(0, m_History[m_HistoryPos].GetPos());
	365	// wxYield();
	366	m_tmpCanDrawLocks--;
	367	Refresh();
	368	return TRUE;
	369	}
	370
	371
	372
	373	bool wxHtmlWindow::HistoryForward()
	374	{
	375	wxString a, l;
	376
	377	if (m_HistoryPos == -1) return FALSE;
	378	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	379
	380	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	381
	382	m_HistoryPos++;
	383	l = m_History[m_HistoryPos].GetPage();
	384	a = m_History[m_HistoryPos].GetAnchor();
	385	m_HistoryOn = FALSE;
	386	m_tmpCanDrawLocks++;
	387	if (a == wxEmptyString) LoadPage(l);
	388	else LoadPage(l + "#" + a);
	389	m_HistoryOn = TRUE;
	390	Scroll(0, m_History[m_HistoryPos].GetPos());
	391	// wxYield();
	392	m_tmpCanDrawLocks--;
	393	Refresh();
	394	return TRUE;
	395	}
	396
	397
	398
	399	void wxHtmlWindow::HistoryClear()
	400	{
	401	m_History.Empty();
	402	m_HistoryPos = -1;
	403	}
	404
	405
	406
	407	wxList wxHtmlWindow::m_Filters;
	408	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	409
	410	void wxHtmlWindow::CleanUpStatics()
	411	{
	412	if (m_DefaultFilter) delete m_DefaultFilter;
	413	m_DefaultFilter = NULL;
	414	m_Filters.DeleteContents(TRUE);
	415	m_Filters.Clear();
	416
	417	}
	418
	419
	420
	421	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	422	{
	423	m_Filters.Append(filter);
	424	}
	425
	426
	427
	428
	429	void wxHtmlWindow::OnLinkClicked(const wxString& link)
	430	{
	431	LoadPage(link);
	432	}
	433
	434
	435
	436	void wxHtmlWindow::OnDraw(wxDC& dc)
	437	{
	438	int x, y;
	439	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	440	int v_y, v_h;
	441
	442	if (m_tmpCanDrawLocks > 0) return;
	443	dc.SetMapMode(wxMM_TEXT);
	444	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	445	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	446	#endif
	447	dc.SetBackgroundMode(wxTRANSPARENT);
	448	ViewStart(&x, &y);
	449
	450	while (upd) {
	451	v_y = upd.GetY();
	452	v_h = upd.GetH();
	453	if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
	454	upd++;
	455	}
	456	}
	457
	458
	459
	460
	461	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	462	{
	463	wxScrolledWindow::OnSize(event);
	464	CreateLayout();
	465	}
	466
	467
	468
	469	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	470	{
	471	int dummy;
	472	int sty, szy, cliy;
	473
	474	ViewStart(&dummy, &sty);
	475	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
	476	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
	477
	478	switch (event.KeyCode()) {
	479	case WXK_PAGEUP :
	480	case WXK_PRIOR :
	481	Scroll(-1, sty - cliy);
	482	break;
	483	case WXK_PAGEDOWN :
	484	case WXK_NEXT :
	485	Scroll(-1, sty + cliy);
	486	break;
	487	case WXK_HOME :
	488	Scroll(-1, 0);
	489	break;
	490	case WXK_END :
	491	Scroll(-1, szy - cliy);
	492	break;
	493	case WXK_UP :
	494	Scroll(-1, sty - 1);
	495	break;
	496	case WXK_DOWN :
	497	Scroll(-1, sty + 1);
	498	break;
	499	}
	500	}
	501
	502
	503
	504	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	505	{
	506	m_tmpMouseMoved = TRUE;
	507
	508	if (event.ButtonDown()) {
	509	int sx, sy;
	510	wxPoint pos;
	511	wxString lnk;
	512
	513	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
	514	pos = event.GetPosition();
	515
	516	if (m_Cell)
	517	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
	518	}
	519	}
	520
	521
	522
	523	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	524	{
	525	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	526
	527	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	528	int sx, sy;
	529	int x, y;
	530	wxString lnk;
	531
	532	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
	533	wxGetMousePosition(&x, &y);
	534	ScreenToClient(&x, &y);
	535	lnk = m_Cell -> GetLink(sx + x, sy + y);
	536
	537	if (lnk != m_tmpLastLink) {
	538	if (lnk == wxEmptyString) {
	539	SetCursor(cur_arrow);
	540	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	541	}
	542	else {
	543	SetCursor(cur_hand);
	544	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
	545	}
	546	m_tmpLastLink = lnk;
	547	}
	548	m_tmpMouseMoved = FALSE;
	549	}
	550	}
	551
	552
	553
	554
	555	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	556
	557	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	558	EVT_SIZE(wxHtmlWindow::OnSize)
	559	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	560	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	561	EVT_IDLE(wxHtmlWindow::OnIdle)
	562	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	563	END_EVENT_TABLE()
	564
	565
	566
	567
	568
	569	// A module to allow initialization/cleanup
	570	// without calling these functions from app.cpp or from
	571	// the user's application.
	572
	573	class wxHtmlWinModule: public wxModule
	574	{
	575	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	576	public:
	577	wxHtmlWinModule() : wxModule() {}
	578	bool OnInit() { return TRUE; }
	579	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	580	};
	581
	582	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	583
	584
	585
	586
	587	///// default mod handlers are forced there:
	588
	589	FORCE_LINK(mod_layout)
	590	FORCE_LINK(mod_fonts)
	591	FORCE_LINK(mod_image)
	592	FORCE_LINK(mod_list)
	593	FORCE_LINK(mod_pre)
	594	FORCE_LINK(mod_hline)
	595	FORCE_LINK(mod_links)
	596	FORCE_LINK(mod_tables)
	597
	598
	599	#endif