[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 = 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)
{
    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, 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::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(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;

    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(wxT("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(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";
	54	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
	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 VS	98	{
	99	m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
	100	if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage);
	101	}
	102
	103
	104
	105	bool wxHtmlWindow::SetPage(const wxString& source)
	106	{
	107	wxClientDC *dc = new wxClientDC(this);
	108
	109	dc -> SetMapMode(wxMM_TEXT);
	110	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
	111	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
	112	m_Parser -> SetDC(dc);
f61815af GL	113	if (m_Cell) {
	114	delete m_Cell;
	115	m_Cell = NULL;
	116	}
5526e819 VS	117	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	118	delete dc;
efba2b89 VS	119	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	120	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819 VS	121	CreateLayout();
	122	Refresh();
	123	return TRUE;
	124	}
	125
	126
	127	bool wxHtmlWindow::LoadPage(const wxString& location)
	128	{
	129	wxFSFile *f;
	130	bool rt_val;
169ee06c VS	131
	132	SetCursor(*wxHOURGLASS_CURSOR);
	133	wxYield();
5526e819 VS	134
	135	m_tmpCanDraw = FALSE;
	136	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	137	int x, y;
	138	ViewStart(&x, &y);
	139	m_History[m_HistoryPos].SetPos(y);
	140	}
	141
	142	if (location[0] == '#') { // local anchor
	143	wxString anch = location.Mid(1) /1 to end/;
	144	m_tmpCanDraw = TRUE;
	145	rt_val = ScrollToAnchor(anch);
	146	}
	147
	148	else {
	149	// load&display it:
	150	if (m_RelatedStatusBar != -1) {
	151	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	152	Refresh();
	153	}
	154
	155	f = m_FS -> OpenFile(location);
	156	if (f == NULL) {
	157	wxString err;
	158
	159	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
5526e819	160	m_tmpCanDraw = TRUE;
483ff5a5 VS	161	Refresh();
483ff5a5 VS	162	wxMessageBox(err, "Error");
169ee06c VS	163
169ee06c VS	164	SetCursor(*wxSTANDARD_CURSOR);
5526e819 VS	165	return FALSE;
	166	}
	167
	168	else {
	169	wxNode *node;
	170	wxString src = wxEmptyString;
	171
	172	if (m_RelatedStatusBar != -1) {
	173	wxString msg = _("Loading : ") + location;
	174	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	175	Refresh();
	176	}
	177
	178	node = m_Filters.GetFirst();
	179	while (node){
	180	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	181	if (h -> CanRead(*f)) {
	182	src = h -> ReadFile(*f);
	183	break;
	184	}
	185	node = node -> GetNext();
	186	}
a76015e6 VS	187	if (src == wxEmptyString) {
	188	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	189	src = m_DefaultFilter -> ReadFile(*f);
	190	}
5526e819 VS	191
	192	m_FS -> ChangePathTo(f -> GetLocation());
	193	rt_val = SetPage(src);
	194	m_OpenedPage = f -> GetLocation();
	195	if (f -> GetAnchor() != wxEmptyString) {
	196	m_tmpCanDraw = TRUE;
	197	ScrollToAnchor(f -> GetAnchor());
	198	m_tmpCanDraw = FALSE;
	199	}
	200
	201	delete f;
	202
	203	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	204	}
	205	}
	206
	207	if (m_HistoryOn) { // add this page to history there:
	208	int c = m_History.GetCount() - (m_HistoryPos + 1);
	209
	210	m_HistoryPos++;
	211	for (int i = 0; i < c; i++)
	212	m_History.Remove(m_HistoryPos);
	213	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	214	}
	215
169ee06c VS	216	SetCursor(*wxSTANDARD_CURSOR);
169ee06c VS	217
5526e819 VS	218	m_tmpCanDraw = TRUE;
	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);
5526e819 VS	228	if (!c) return FALSE;
	229	else {
	230	int y;
269e8200	231
5526e819	232	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	233	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	234	m_OpenedAnchor = anchor;
	235	return TRUE;
	236	}
	237	}
	238
	239
	240	void wxHtmlWindow::SetTitle(const wxString& title)
	241	{
	242	if (m_RelatedFrame) {
	243	wxString tit;
	244	tit.Printf(m_TitleFormat, title.c_str());
	245	m_RelatedFrame -> SetTitle(tit);
	246	}
	247	}
	248
	249
	250
	251
	252
	253	void wxHtmlWindow::CreateLayout()
	254	{
	255	int ClientWidth, ClientHeight;
	256
	257	if (!m_Cell) return;
a547ebff VS	258
a547ebff VS	259	if (m_Style == wxHW_SCROLLBAR_NEVER) {
60811dc6	260	SetScrollbars(1, 1, 0, 0); // always off
a547ebff VS	261	GetClientSize(&ClientWidth, &ClientHeight);
	262	m_Cell -> Layout(ClientWidth);
	263	}
	264
	265	else {
	266	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	267	#ifndef __WXMSW__
d54ed754 VS	268	// VS : this looks extremely ugly under windoze, better fix needed!
269e8200	269	SetScrollbars(1, 1, 0, ClientHeight * 2); // always on
d54ed754	270	#endif
a547ebff VS	271	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	272	m_Cell -> Layout(ClientWidth);
a47ad262	273	if (ClientHeight < m_Cell -> GetHeight()) {
efba2b89 VS	274	SetScrollbars(wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	275	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	276	m_Cell -> GetHeight() / wxHTML_SCROLL_STEP
a547ebff VS	277	/cheat: top-level frag is always container/);
a547ebff VS	278	}
a47ad262 VS	279	else { /* we fit into window, no need for scrollbars */
a47ad262 VS	280	SetScrollbars(1, 1, 0, 0); // disable...
d54ed754	281	GetClientSize(&ClientWidth, &ClientHeight);
a47ad262 VS	282	m_Cell -> Layout(ClientWidth); // ...and relayout
a47ad262 VS	283	}
a547ebff	284	}
5526e819 VS	285	}
5526e819 VS	286
269e8200	287
5526e819 VS	288
	289	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	290	{
	291	wxString oldpath;
	292	wxString tmp;
	293
	294	if (path != wxEmptyString) {
	295	oldpath = cfg -> GetPath();
	296	cfg -> SetPath(path);
	297	}
	298
	299	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
	300	m_Parser -> m_FontFaceFixed = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	301	m_Parser -> m_FontFaceNormal = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	302	m_Parser -> m_ItalicModeFixed = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
	303	m_Parser -> m_ItalicModeNormal = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
	304	for (int i = 0; i < 7; i++) {
66a77a74	305	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	306	m_Parser -> m_FontsSizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
	307	}
	308
	309	if (path != wxEmptyString)
	310	cfg -> SetPath(oldpath);
	311	}
	312
	313
	314
	315	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	316	{
	317	wxString oldpath;
	318	wxString tmp;
	319
	320	if (path != wxEmptyString) {
	321	oldpath = cfg -> GetPath();
	322	cfg -> SetPath(path);
	323	}
	324
	325	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	326	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	327	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	328	cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
	329	cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
	330	for (int i = 0; i < 7; i++) {
66a77a74	331	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	332	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	333	}
	334
	335	if (path != wxEmptyString)
	336	cfg -> SetPath(oldpath);
	337	}
	338
	339
	340
	341	bool wxHtmlWindow::HistoryBack()
	342	{
	343	wxString a, l;
	344
	345	if (m_HistoryPos < 1) return FALSE;
	346
	347	m_HistoryPos--;
	348
	349	l = m_History[m_HistoryPos].GetPage();
	350	a = m_History[m_HistoryPos].GetAnchor();
	351	m_HistoryOn = FALSE;
	352	if (a == wxEmptyString) LoadPage(l);
	353	else LoadPage(l + "#" + a);
	354	m_HistoryOn = TRUE;
	355	Scroll(0, m_History[m_HistoryPos].GetPos());
	356	Refresh();
	357	return TRUE;
	358	}
	359
	360
	361
	362	bool wxHtmlWindow::HistoryForward()
	363	{
	364	wxString a, l;
	365
	366	if (m_HistoryPos == -1) return FALSE;
	367	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	368
	369	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	370
	371	m_HistoryPos++;
	372	l = m_History[m_HistoryPos].GetPage();
	373	a = m_History[m_HistoryPos].GetAnchor();
	374	m_HistoryOn = FALSE;
	375	if (a == wxEmptyString) LoadPage(l);
	376	else LoadPage(l + "#" + a);
	377	m_HistoryOn = TRUE;
	378	Scroll(0, m_History[m_HistoryPos].GetPos());
	379	Refresh();
	380	return TRUE;
	381	}
	382
	383
	384
	385	void wxHtmlWindow::HistoryClear()
	386	{
	387	m_History.Empty();
	388	m_HistoryPos = -1;
	389	}
	390
	391
	392
	393	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	394	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	395
	396	void wxHtmlWindow::CleanUpStatics()
	397	{
	398	if (m_DefaultFilter) delete m_DefaultFilter;
	399	m_DefaultFilter = NULL;
269e8200 RD	400	m_Filters.DeleteContents(TRUE);
	401	m_Filters.Clear();
	402
a76015e6 VS	403	}
	404
	405
5526e819 VS	406
	407	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	408	{
5526e819 VS	409	m_Filters.Append(filter);
	410	}
	411
	412
	413
	414
	415	void wxHtmlWindow::OnLinkClicked(const wxString& link)
	416	{
	417	LoadPage(link);
	418	}
	419
	420
	421
	422	void wxHtmlWindow::OnDraw(wxDC& dc)
	423	{
	424	int x, y;
	425	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	426	int v_y, v_h;
	427
	428	if (!m_tmpCanDraw) return;
	429	dc.SetMapMode(wxMM_TEXT);
	430	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	431	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	432	#endif
	433	dc.SetBackgroundMode(wxTRANSPARENT);
	434	ViewStart(&x, &y);
	435
	436	while (upd) {
	437	v_y = upd.GetY();
	438	v_h = upd.GetH();
efba2b89	439	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	440	upd++;
	441	}
	442	}
	443
	444
	445
	446
	447	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	448	{
	449	wxScrolledWindow::OnSize(event);
	450	CreateLayout();
	451	}
	452
	453
	454
	455	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	456	{
	457	int dummy;
	458	int sty, szy, cliy;
	459
	460	ViewStart(&dummy, &sty);
efba2b89 VS	461	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	462	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	463
	464	switch (event.KeyCode()) {
	465	case WXK_PAGEUP :
	466	case WXK_PRIOR :
	467	Scroll(-1, sty - cliy);
	468	break;
	469	case WXK_PAGEDOWN :
	470	case WXK_NEXT :
	471	Scroll(-1, sty + cliy);
	472	break;
	473	case WXK_HOME :
	474	Scroll(-1, 0);
	475	break;
	476	case WXK_END :
	477	Scroll(-1, szy - cliy);
	478	break;
	479	case WXK_UP :
	480	Scroll(-1, sty - 1);
	481	break;
	482	case WXK_DOWN :
	483	Scroll(-1, sty + 1);
	484	break;
	485	}
	486	}
	487
	488
	489
	490	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	491	{
	492	m_tmpMouseMoved = TRUE;
	493
	494	if (event.ButtonDown()) {
	495	int sx, sy;
	496	wxPoint pos;
	497	wxString lnk;
	498
efba2b89	499	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	500	pos = event.GetPosition();
	501
	502	if (m_Cell)
	503	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
	504	}
	505	}
	506
	507
	508
	509	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	510	{
	511	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	512
	513	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	514	int sx, sy;
	515	int x, y;
	516	wxString lnk;
	517
efba2b89	518	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	519	wxGetMousePosition(&x, &y);
	520	ScreenToClient(&x, &y);
	521	lnk = m_Cell -> GetLink(sx + x, sy + y);
	522
622ea783 VS	523	if (lnk != m_tmpLastLink) {
	524	if (lnk == wxEmptyString) {
	525	SetCursor(cur_arrow);
	526	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	527	}
	528	else {
	529	SetCursor(cur_hand);
	530	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
	531	}
	532	m_tmpLastLink = lnk;
5526e819 VS	533	}
	534	m_tmpMouseMoved = FALSE;
	535	}
	536	}
	537
	538
	539
	540
	541	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	542
	543	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	544	EVT_SIZE(wxHtmlWindow::OnSize)
	545	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	546	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	547	EVT_IDLE(wxHtmlWindow::OnIdle)
	548	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	549	END_EVENT_TABLE()
	550
	551
	552
	553
	554
a76015e6 VS	555	// A module to allow initialization/cleanup
	556	// without calling these functions from app.cpp or from
	557	// the user's application.
	558
	559	class wxHtmlWinModule: public wxModule
	560	{
	561	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	562	public:
	563	wxHtmlWinModule() : wxModule() {}
	564	bool OnInit() { return TRUE; }
	565	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	566	};
	567
	568	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	569
5526e819 VS	570
	571
	572
	573	///// default mod handlers are forced there:
	574
	575	FORCE_LINK(mod_layout)
	576	FORCE_LINK(mod_fonts)
	577	FORCE_LINK(mod_image)
	578	FORCE_LINK(mod_list)
	579	FORCE_LINK(mod_pre)
	580	FORCE_LINK(mod_hline)
	581	FORCE_LINK(mod_links)
	582	FORCE_LINK(mod_tables)
	583
	584
483ff5a5	585	#endif