src/html/htmlwin.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        htmlwin.cpp
// Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
// Author:      Vaclav Slavik
// 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/forcelink.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_tmpCanDraw = TRUE;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = "%s";
    m_OpenedPage = m_OpenedAnchor = wxEmptyString;
    m_Cell = NULL;
    m_Parser = new wxHtmlWinParser(this);
    m_Parser -> SetFS(m_FS);
    SetBorders(10);
    m_HistoryPos = -1;
    m_HistoryOn = TRUE;
    m_Style = style;
    SetPage("<html><body></body></html>");
}


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

    if (m_Cell) delete m_Cell;

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

    delete m_Parser;
    delete m_FS;
}


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


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


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


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

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


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

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

    if (location[0] == '#') { // local anchor
        wxString anch = location.Mid(1) /*1 to end*/;
        m_tmpCanDraw = TRUE;
        rt_val = ScrollToAnchor(anch);
    }

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

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

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

        else {
            wxNode *node;
            wxString src = wxEmptyString;

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

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

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

            delete f;

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

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

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

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


bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
{
    const wxHtmlCell *c = m_Cell -> Find(HTML_COND_ISANCHOR, &anchor);
    if (!c) return FALSE;
    else {
        int y;

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


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


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

    if (!m_Cell) return;

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

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


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

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

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

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


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

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

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

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


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

    if (m_HistoryPos < 1) return FALSE;

    m_HistoryPos--;

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


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

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

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

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


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


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

void wxHtmlWindow::CleanUpStatics()
{
    if (m_DefaultFilter) delete m_DefaultFilter;
    m_DefaultFilter = NULL;
}


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


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


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

    if (!m_tmpCanDraw) return;
    dc.SetMapMode(wxMM_TEXT);
#if defined(_MSC_VER) && (_MSC_VER == 1200)
    ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
#endif
    dc.SetBackgroundMode(wxTRANSPARENT);
    ViewStart(&x, &y);

    while (upd) {
        v_y = upd.GetY();
        v_h = upd.GetH();
        if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * HTML_SCROLL_STEP + v_y, y * HTML_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 /= HTML_SCROLL_STEP;
    GetVirtualSize(&dummy, &szy); szy /= HTML_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 *= HTML_SCROLL_STEP; sy *= HTML_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 *= HTML_SCROLL_STEP; sy *= HTML_SCROLL_STEP;
        wxGetMousePosition(&x, &y);
        ScreenToClient(&x, &y);
        lnk = m_Cell -> GetLink(sx + x, sy + y);

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