[wxWidgets.git] / src / html / htmlwin.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        htmlwin.cpp
// Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation
#endif

#include "wx/wxprec.h"

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

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

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

#include "wx/html/htmlwin.h"

#include "wx/html/forcelnk.h"


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


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


wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name)
{
    m_tmpMouseMoved = FALSE;
    m_tmpLastLink = wxEmptyString;
    m_tmpCanDraw = TRUE;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = "%s";
    m_OpenedPage = m_OpenedAnchor = 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("")); // 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();
    Refresh();
    return TRUE;
}


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

    SetCursor(*wxHOURGLASS_CURSOR);
    wxYield();

    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");

            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_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));
    }

    SetCursor(*wxSTANDARD_CURSOR);

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


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

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


void wxHtmlWindow::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]);
    }
    m_Parser -> 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;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    Scroll(0, m_History[m_HistoryPos].GetPos());
    Refresh();
    return TRUE;
}


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

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

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

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


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


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

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

}


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


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


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

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

    while (upd) {
        v_y = upd.GetY();
        v_h = upd.GetH();
        if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
        upd++;
    }
}


void wxHtmlWindow::OnSize(wxSizeEvent& event)
{
    wxScrolledWindow::OnSize(event);
    CreateLayout();
}


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

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

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


void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
{
    m_tmpMouseMoved = TRUE;

    if (event.ButtonDown()) {
        int sx, sy;
        wxPoint pos;
        wxString lnk;

        ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP;
        pos = event.GetPosition();

        if (m_Cell)
            m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
    }
}


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

    if (m_tmpMouseMoved && (m_Cell != NULL)) {
        int sx, sy;
        int x, y;
        wxString lnk;

        ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP;
        wxGetMousePosition(&x, &y);
        ScreenToClient(&x, &y);
        lnk = m_Cell -> GetLink(sx + x, sy + y);

        if (lnk != m_tmpLastLink) {
            if (lnk == wxEmptyString) {
                SetCursor(cur_arrow);
                if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
            }
            else {
                SetCursor(cur_hand);
                if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
            }
            m_tmpLastLink = lnk;
        }
        m_tmpMouseMoved = FALSE;
    }
}


IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)

BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
    EVT_SIZE(wxHtmlWindow::OnSize)
    EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
    EVT_MOTION(wxHtmlWindow::OnMouseEvent)
    EVT_IDLE(wxHtmlWindow::OnIdle)
    EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
END_EVENT_TABLE()


// A module to allow initialization/cleanup
// without calling these functions from app.cpp or from
// the user's application.

class wxHtmlWinModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
public:
    wxHtmlWinModule() : wxModule() {}
    bool OnInit() { return TRUE; }
    void OnExit() { wxHtmlWindow::CleanUpStatics(); }
};

IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)


///// default mod handlers are forced there:

FORCE_LINK(mod_layout)
FORCE_LINK(mod_fonts)
FORCE_LINK(mod_image)
FORCE_LINK(mod_list)
FORCE_LINK(mod_pre)
FORCE_LINK(mod_hline)
FORCE_LINK(mod_links)
FORCE_LINK(mod_tables)


#endif
Commit	Line	Data
5526e819 VS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmlwin.cpp
	3	// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
	4	// Author: Vaclav Slavik
69941f05	5	// RCS-ID: $Id$
5526e819 VS	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation
	13	#endif
	14
3096bd2f	15	#include "wx/wxprec.h"
5526e819 VS	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML
	19
	20	#ifdef __BORDLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
3096bd2f	25	#include "wx/wx.h"
5526e819 VS	26	#endif
5526e819 VS	27
69941f05	28	#include "wx/html/htmlwin.h"
5526e819	29
69941f05	30	#include "wx/html/forcelnk.h"
5526e819	31
5526e819 VS	32
	33
	34	//-----------------------------------------------------------------------------
	35	// wxHtmlWindow
	36	//-----------------------------------------------------------------------------
	37
	38
	39
3096bd2f	40	#include "wx/arrimpl.cpp"
5526e819 VS	41	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	42
	43
269e8200	44	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
a547ebff	45	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name)
5526e819 VS	46	{
5526e819 VS	47	m_tmpMouseMoved = FALSE;
622ea783	48	m_tmpLastLink = wxEmptyString;
5526e819 VS	49	m_tmpCanDraw = TRUE;
	50	m_FS = new wxFileSystem();
	51	m_RelatedStatusBar = -1;
	52	m_RelatedFrame = NULL;
	53	m_TitleFormat = "%s";
d5db80c2	54	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819 VS	55	m_Cell = NULL;
	56	m_Parser = new wxHtmlWinParser(this);
	57	m_Parser -> SetFS(m_FS);
	58	SetBorders(10);
	59	m_HistoryPos = -1;
	60	m_HistoryOn = TRUE;
a547ebff	61	m_Style = style;
5526e819 VS	62	SetPage("<html><body></body></html>");
	63	}
	64
	65
	66
	67	wxHtmlWindow::~wxHtmlWindow()
	68	{
	69	HistoryClear();
	70
	71	if (m_Cell) delete m_Cell;
	72
	73	wxList *parser_data = m_Parser -> GetTempData();
	74	if (parser_data) delete parser_data;
	75
	76	delete m_Parser;
	77	delete m_FS;
	78	}
	79
	80
	81
	82	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	83	{
	84	m_RelatedFrame = frame;
	85	m_TitleFormat = format;
	86	}
	87
	88
	89
	90	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	91	{
	92	m_RelatedStatusBar = bar;
	93	}
269e8200 RD	94
	95
	96
89966d5c	97	void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, const int *sizes)
5526e819	98	{
d5db80c2 VS	99	wxString op = m_OpenedPage;
d5db80c2 VS	100
5526e819	101	m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
d5db80c2 VS	102	SetPage(wxT("")); // fonts changed => contents invalid
d5db80c2 VS	103	if (!op.IsEmpty()) LoadPage(op);
5526e819 VS	104	}
	105
	106
	107
	108	bool wxHtmlWindow::SetPage(const wxString& source)
	109	{
	110	wxClientDC *dc = new wxClientDC(this);
	111
	112	dc -> SetMapMode(wxMM_TEXT);
	113	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
d5db80c2	114	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819	115	m_Parser -> SetDC(dc);
f61815af GL	116	if (m_Cell) {
	117	delete m_Cell;
	118	m_Cell = NULL;
	119	}
5526e819 VS	120	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	121	delete dc;
efba2b89 VS	122	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	123	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819 VS	124	CreateLayout();
	125	Refresh();
	126	return TRUE;
	127	}
	128
	129
	130	bool wxHtmlWindow::LoadPage(const wxString& location)
	131	{
	132	wxFSFile *f;
	133	bool rt_val;
169ee06c VS	134
	135	SetCursor(*wxHOURGLASS_CURSOR);
	136	wxYield();
5526e819 VS	137
	138	m_tmpCanDraw = FALSE;
	139	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	140	int x, y;
	141	ViewStart(&x, &y);
	142	m_History[m_HistoryPos].SetPos(y);
	143	}
	144
	145	if (location[0] == '#') { // local anchor
	146	wxString anch = location.Mid(1) /1 to end/;
	147	m_tmpCanDraw = TRUE;
	148	rt_val = ScrollToAnchor(anch);
	149	}
	150
	151	else {
	152	// load&display it:
	153	if (m_RelatedStatusBar != -1) {
	154	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	155	Refresh();
	156	}
	157
	158	f = m_FS -> OpenFile(location);
	159	if (f == NULL) {
	160	wxString err;
	161
	162	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
5526e819	163	m_tmpCanDraw = TRUE;
483ff5a5 VS	164	Refresh();
483ff5a5 VS	165	wxMessageBox(err, "Error");
169ee06c VS	166
169ee06c VS	167	SetCursor(*wxSTANDARD_CURSOR);
5526e819 VS	168	return FALSE;
	169	}
	170
	171	else {
	172	wxNode *node;
	173	wxString src = wxEmptyString;
	174
	175	if (m_RelatedStatusBar != -1) {
	176	wxString msg = _("Loading : ") + location;
	177	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	178	Refresh();
	179	}
	180
	181	node = m_Filters.GetFirst();
	182	while (node){
	183	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	184	if (h -> CanRead(*f)) {
	185	src = h -> ReadFile(*f);
	186	break;
	187	}
	188	node = node -> GetNext();
	189	}
a76015e6 VS	190	if (src == wxEmptyString) {
	191	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	192	src = m_DefaultFilter -> ReadFile(*f);
	193	}
5526e819 VS	194
	195	m_FS -> ChangePathTo(f -> GetLocation());
	196	rt_val = SetPage(src);
	197	m_OpenedPage = f -> GetLocation();
	198	if (f -> GetAnchor() != wxEmptyString) {
	199	m_tmpCanDraw = TRUE;
	200	ScrollToAnchor(f -> GetAnchor());
	201	m_tmpCanDraw = FALSE;
	202	}
	203
	204	delete f;
	205
	206	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	207	}
	208	}
	209
	210	if (m_HistoryOn) { // add this page to history there:
	211	int c = m_History.GetCount() - (m_HistoryPos + 1);
	212
	213	m_HistoryPos++;
	214	for (int i = 0; i < c; i++)
	215	m_History.Remove(m_HistoryPos);
	216	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	217	}
	218
169ee06c VS	219	SetCursor(*wxSTANDARD_CURSOR);
169ee06c VS	220
5526e819 VS	221	m_tmpCanDraw = TRUE;
	222	Refresh();
	223	return rt_val;
	224	}
	225
	226
	227
	228	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	229	{
efba2b89	230	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
5526e819 VS	231	if (!c) return FALSE;
	232	else {
	233	int y;
269e8200	234
5526e819	235	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	236	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	237	m_OpenedAnchor = anchor;
	238	return TRUE;
	239	}
	240	}
	241
	242
d5db80c2	243	void wxHtmlWindow::OnSetTitle(const wxString& title)
5526e819 VS	244	{
	245	if (m_RelatedFrame) {
	246	wxString tit;
	247	tit.Printf(m_TitleFormat, title.c_str());
	248	m_RelatedFrame -> SetTitle(tit);
	249	}
d5db80c2	250	m_OpenedPageTitle = title;
5526e819 VS	251	}
	252
	253
	254
	255
	256
	257	void wxHtmlWindow::CreateLayout()
	258	{
	259	int ClientWidth, ClientHeight;
	260
	261	if (!m_Cell) return;
a547ebff VS	262
a547ebff VS	263	if (m_Style == wxHW_SCROLLBAR_NEVER) {
60811dc6	264	SetScrollbars(1, 1, 0, 0); // always off
a547ebff VS	265	GetClientSize(&ClientWidth, &ClientHeight);
	266	m_Cell -> Layout(ClientWidth);
	267	}
	268
	269	else {
	270	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	271	#ifndef __WXMSW__
d54ed754 VS	272	// VS : this looks extremely ugly under windoze, better fix needed!
269e8200	273	SetScrollbars(1, 1, 0, ClientHeight * 2); // always on
d54ed754	274	#endif
a547ebff VS	275	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	276	m_Cell -> Layout(ClientWidth);
a47ad262	277	if (ClientHeight < m_Cell -> GetHeight()) {
efba2b89 VS	278	SetScrollbars(wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	279	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	280	m_Cell -> GetHeight() / wxHTML_SCROLL_STEP
a547ebff VS	281	/cheat: top-level frag is always container/);
a547ebff VS	282	}
a47ad262 VS	283	else { /* we fit into window, no need for scrollbars */
a47ad262 VS	284	SetScrollbars(1, 1, 0, 0); // disable...
d54ed754	285	GetClientSize(&ClientWidth, &ClientHeight);
a47ad262 VS	286	m_Cell -> Layout(ClientWidth); // ...and relayout
a47ad262 VS	287	}
a547ebff	288	}
5526e819 VS	289	}
5526e819 VS	290
269e8200	291
5526e819 VS	292
	293	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	294	{
	295	wxString oldpath;
	296	wxString tmp;
d5db80c2 VS	297	int p_fontsizes[7];
	298	wxString p_fff, p_ffn;
	299	int p_imf, p_imn;
5526e819 VS	300
	301	if (path != wxEmptyString) {
	302	oldpath = cfg -> GetPath();
	303	cfg -> SetPath(path);
	304	}
	305
	306	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
d5db80c2 VS	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);
5526e819	311	for (int i = 0; i < 7; i++) {
66a77a74	312	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
d5db80c2	313	p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
5526e819	314	}
d5db80c2	315	m_Parser -> SetFonts(p_ffn, p_imn, p_fff, p_imf, p_fontsizes);
5526e819 VS	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++) {
66a77a74	339	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	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	if (a == wxEmptyString) LoadPage(l);
	361	else LoadPage(l + "#" + a);
	362	m_HistoryOn = TRUE;
	363	Scroll(0, m_History[m_HistoryPos].GetPos());
	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;
	383	if (a == wxEmptyString) LoadPage(l);
	384	else LoadPage(l + "#" + a);
	385	m_HistoryOn = TRUE;
	386	Scroll(0, m_History[m_HistoryPos].GetPos());
	387	Refresh();
	388	return TRUE;
	389	}
	390
	391
	392
	393	void wxHtmlWindow::HistoryClear()
	394	{
	395	m_History.Empty();
	396	m_HistoryPos = -1;
	397	}
	398
	399
	400
	401	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	402	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	403
	404	void wxHtmlWindow::CleanUpStatics()
	405	{
	406	if (m_DefaultFilter) delete m_DefaultFilter;
	407	m_DefaultFilter = NULL;
269e8200 RD	408	m_Filters.DeleteContents(TRUE);
	409	m_Filters.Clear();
	410
a76015e6 VS	411	}
	412
	413
5526e819 VS	414
	415	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	416	{
5526e819 VS	417	m_Filters.Append(filter);
	418	}
	419
	420
	421
	422
	423	void wxHtmlWindow::OnLinkClicked(const wxString& link)
	424	{
	425	LoadPage(link);
	426	}
	427
	428
	429
	430	void wxHtmlWindow::OnDraw(wxDC& dc)
	431	{
	432	int x, y;
	433	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	434	int v_y, v_h;
	435
	436	if (!m_tmpCanDraw) return;
	437	dc.SetMapMode(wxMM_TEXT);
	438	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	439	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	440	#endif
	441	dc.SetBackgroundMode(wxTRANSPARENT);
	442	ViewStart(&x, &y);
	443
	444	while (upd) {
	445	v_y = upd.GetY();
	446	v_h = upd.GetH();
efba2b89	447	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	448	upd++;
	449	}
	450	}
	451
	452
	453
	454
	455	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	456	{
	457	wxScrolledWindow::OnSize(event);
	458	CreateLayout();
	459	}
	460
	461
	462
	463	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	464	{
	465	int dummy;
	466	int sty, szy, cliy;
	467
	468	ViewStart(&dummy, &sty);
efba2b89 VS	469	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	470	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	471
	472	switch (event.KeyCode()) {
	473	case WXK_PAGEUP :
	474	case WXK_PRIOR :
	475	Scroll(-1, sty - cliy);
	476	break;
	477	case WXK_PAGEDOWN :
	478	case WXK_NEXT :
	479	Scroll(-1, sty + cliy);
	480	break;
	481	case WXK_HOME :
	482	Scroll(-1, 0);
	483	break;
	484	case WXK_END :
	485	Scroll(-1, szy - cliy);
	486	break;
	487	case WXK_UP :
	488	Scroll(-1, sty - 1);
	489	break;
	490	case WXK_DOWN :
	491	Scroll(-1, sty + 1);
	492	break;
	493	}
	494	}
	495
	496
	497
	498	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	499	{
	500	m_tmpMouseMoved = TRUE;
	501
	502	if (event.ButtonDown()) {
	503	int sx, sy;
	504	wxPoint pos;
	505	wxString lnk;
	506
efba2b89	507	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	508	pos = event.GetPosition();
	509
	510	if (m_Cell)
	511	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
	512	}
	513	}
	514
	515
	516
	517	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	518	{
	519	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	520
	521	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	522	int sx, sy;
	523	int x, y;
	524	wxString lnk;
	525
efba2b89	526	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	527	wxGetMousePosition(&x, &y);
	528	ScreenToClient(&x, &y);
	529	lnk = m_Cell -> GetLink(sx + x, sy + y);
	530
622ea783 VS	531	if (lnk != m_tmpLastLink) {
	532	if (lnk == wxEmptyString) {
	533	SetCursor(cur_arrow);
	534	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	535	}
	536	else {
	537	SetCursor(cur_hand);
	538	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
	539	}
	540	m_tmpLastLink = lnk;
5526e819 VS	541	}
	542	m_tmpMouseMoved = FALSE;
	543	}
	544	}
	545
	546
	547
	548
	549	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	550
	551	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	552	EVT_SIZE(wxHtmlWindow::OnSize)
	553	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	554	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	555	EVT_IDLE(wxHtmlWindow::OnIdle)
	556	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	557	END_EVENT_TABLE()
	558
	559
	560
	561
	562
a76015e6 VS	563	// A module to allow initialization/cleanup
	564	// without calling these functions from app.cpp or from
	565	// the user's application.
	566
	567	class wxHtmlWinModule: public wxModule
	568	{
	569	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	570	public:
	571	wxHtmlWinModule() : wxModule() {}
	572	bool OnInit() { return TRUE; }
	573	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	574	};
	575
	576	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	577
5526e819 VS	578
	579
	580
	581	///// default mod handlers are forced there:
	582
	583	FORCE_LINK(mod_layout)
	584	FORCE_LINK(mod_fonts)
	585	FORCE_LINK(mod_image)
	586	FORCE_LINK(mod_list)
	587	FORCE_LINK(mod_pre)
	588	FORCE_LINK(mod_hline)
	589	FORCE_LINK(mod_links)
	590	FORCE_LINK(mod_tables)
	591
	592
483ff5a5	593	#endif