[wxWidgets.git] / 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>

///// This is my own wxBusyCursor. It works only with one window.

#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100)
class wxLocalBusyCursor
#else
class wxLocalBusyCursor : public wxBusyCursor
#endif
{
    private:
        wxWindow *m_Wnd;
    public:
#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100)
        wxLocalBusyCursor(wxWindow *w) {m_Wnd = w; m_Wnd -> SetCursor(*wxHOURGLASS_CURSOR);}
        ~wxLocalBusyCursor() {m_Wnd -> SetCursor(*wxSTANDARD_CURSOR);}
#else
        wxLocalBusyCursor(wxWindow *w) : wxBusyCursor() {}
#endif
};


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


#include <wx/arrimpl.cpp>
WX_DEFINE_OBJARRAY(HtmlHistoryArray)


wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, 
                const wxString& name, bool scrollable) : 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_Scrollable = scrollable;
    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;
    wxLocalBusyCursor b(this);

    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;
    GetClientSize(&ClientWidth, &ClientHeight);
    m_Cell -> Layout(ClientWidth);
    if (m_Scrollable)
        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*/ );
}

        
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
5526e819 VS	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	///// This is my own wxBusyCursor. It works only with one window.
	32
	33	#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100)
	34	class wxLocalBusyCursor
	35	#else
	36	class wxLocalBusyCursor : public wxBusyCursor
	37	#endif
	38	{
	39	private:
	40	wxWindow *m_Wnd;
	41	public:
	42	#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100)
	43	wxLocalBusyCursor(wxWindow w) {m_Wnd = w; m_Wnd -> SetCursor(wxHOURGLASS_CURSOR);}
	44	~wxLocalBusyCursor() {m_Wnd -> SetCursor(*wxSTANDARD_CURSOR);}
	45	#else
	46	wxLocalBusyCursor(wxWindow *w) : wxBusyCursor() {}
	47	#endif
	48	};
	49
	50
	51
	52
	53	//-----------------------------------------------------------------------------
	54	// wxHtmlWindow
	55	//-----------------------------------------------------------------------------
	56
	57
	58
	59	#include <wx/arrimpl.cpp>
	60	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	61
	62
	63	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
	64	const wxString& name, bool scrollable) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name)
65	{
66	m_tmpMouseMoved = FALSE;
67	m_tmpCanDraw = TRUE;
68	m_FS = new wxFileSystem();
69	m_RelatedStatusBar = -1;
70	m_RelatedFrame = NULL;
71	m_TitleFormat = "%s";
72	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
73	m_Cell = NULL;
74	m_Parser = new wxHtmlWinParser(this);
75	m_Parser -> SetFS(m_FS);
76	SetBorders(10);
77	m_HistoryPos = -1;
78	m_HistoryOn = TRUE;
79	m_Scrollable = scrollable;
80	SetPage("<html><body></body></html>");
81	}
82
83
84
85	wxHtmlWindow::~wxHtmlWindow()
86	{
87	HistoryClear();
88
89	if (m_Cell) delete m_Cell;
90
91	wxList *parser_data = m_Parser -> GetTempData();
92	if (parser_data) delete parser_data;
93
94	delete m_Parser;
95	delete m_FS;
96	}
97
98
99
100	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
101	{
102	m_RelatedFrame = frame;
103	m_TitleFormat = format;
104	}
105
106
107
108	void wxHtmlWindow::SetRelatedStatusBar(int bar)
109	{
110	m_RelatedStatusBar = bar;
111	}
112
113
114
115	void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, int *sizes)
116	{
117	m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
118	if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage);
119	}
120
121
122
123	bool wxHtmlWindow::SetPage(const wxString& source)
124	{
125	wxClientDC *dc = new wxClientDC(this);
126
127	dc -> SetMapMode(wxMM_TEXT);
128	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
129	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
130	m_Parser -> SetDC(dc);
f61815af GL	131	if (m_Cell) {
	132	delete m_Cell;
	133	m_Cell = NULL;
	134	}
5526e819 VS	135	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
	136	delete dc;
	137	m_Cell -> SetIndent(m_Borders, HTML_INDENT_ALL, HTML_UNITS_PIXELS);
	138	m_Cell -> SetAlignHor(HTML_ALIGN_CENTER);
	139	CreateLayout();
	140	Refresh();
	141	return TRUE;
	142	}
	143
	144
	145	bool wxHtmlWindow::LoadPage(const wxString& location)
	146	{
	147	wxFSFile *f;
	148	bool rt_val;
	149	wxLocalBusyCursor b(this);
	150
	151	m_tmpCanDraw = FALSE;
	152	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	153	int x, y;
	154	ViewStart(&x, &y);
	155	m_History[m_HistoryPos].SetPos(y);
	156	}
	157
	158	if (location[0] == '#') { // local anchor
	159	wxString anch = location.Mid(1) /1 to end/;
	160	m_tmpCanDraw = TRUE;
	161	rt_val = ScrollToAnchor(anch);
	162	}
	163
	164	else {
	165	// load&display it:
	166	if (m_RelatedStatusBar != -1) {
	167	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	168	Refresh();
	169	}
	170
	171	f = m_FS -> OpenFile(location);
	172	if (f == NULL) {
	173	wxString err;
	174
	175	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
5526e819	176	m_tmpCanDraw = TRUE;
483ff5a5 VS	177	Refresh();
483ff5a5 VS	178	wxMessageBox(err, "Error");
5526e819 VS	179	return FALSE;
	180	}
	181
	182	else {
	183	wxNode *node;
	184	wxString src = wxEmptyString;
	185
	186	if (m_RelatedStatusBar != -1) {
	187	wxString msg = _("Loading : ") + location;
	188	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	189	Refresh();
	190	}
	191
	192	node = m_Filters.GetFirst();
	193	while (node){
	194	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	195	if (h -> CanRead(*f)) {
	196	src = h -> ReadFile(*f);
	197	break;
	198	}
	199	node = node -> GetNext();
	200	}
a76015e6 VS	201	if (src == wxEmptyString) {
	202	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	203	src = m_DefaultFilter -> ReadFile(*f);
	204	}
5526e819 VS	205
	206	m_FS -> ChangePathTo(f -> GetLocation());
	207	rt_val = SetPage(src);
	208	m_OpenedPage = f -> GetLocation();
	209	if (f -> GetAnchor() != wxEmptyString) {
	210	m_tmpCanDraw = TRUE;
	211	ScrollToAnchor(f -> GetAnchor());
	212	m_tmpCanDraw = FALSE;
	213	}
	214
	215	delete f;
	216
	217	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	218	}
	219	}
	220
	221	if (m_HistoryOn) { // add this page to history there:
	222	int c = m_History.GetCount() - (m_HistoryPos + 1);
	223
	224	m_HistoryPos++;
	225	for (int i = 0; i < c; i++)
	226	m_History.Remove(m_HistoryPos);
	227	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	228	}
	229
	230	m_tmpCanDraw = TRUE;
	231	Refresh();
	232	return rt_val;
	233	}
	234
	235
	236
	237	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	238	{
	239	const wxHtmlCell *c = m_Cell -> Find(HTML_COND_ISANCHOR, &anchor);
	240	if (!c) return FALSE;
	241	else {
	242	int y;
	243
	244	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
	245	Scroll(-1, y / HTML_SCROLL_STEP);
	246	m_OpenedAnchor = anchor;
	247	return TRUE;
	248	}
	249	}
	250
	251
	252	void wxHtmlWindow::SetTitle(const wxString& title)
	253	{
	254	if (m_RelatedFrame) {
	255	wxString tit;
	256	tit.Printf(m_TitleFormat, title.c_str());
	257	m_RelatedFrame -> SetTitle(tit);
	258	}
	259	}
	260
	261
	262
	263
	264
	265	void wxHtmlWindow::CreateLayout()
	266	{
	267	int ClientWidth, ClientHeight;
	268
269	if (!m_Cell) return;
270	GetClientSize(&ClientWidth, &ClientHeight);
271	m_Cell -> Layout(ClientWidth);
272	if (m_Scrollable)
273	SetScrollbars(HTML_SCROLL_STEP, HTML_SCROLL_STEP,
274	m_Cell -> GetWidth() / HTML_SCROLL_STEP,
275	m_Cell -> GetHeight() / HTML_SCROLL_STEP
276	/cheat: top-level frag is always container/ );
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;
a76015e6 VS	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
5526e819 VS	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
a76015e6 VS	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
5526e819 VS	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
483ff5a5	572	#endif