[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 = (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) 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;
wxHtmlFilterPlainText wxHtmlWindow::m_DefaultFilter;

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()


///// 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);
131	if (m_Cell) delete m_Cell;
132	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
133	delete dc;
134	m_Cell -> SetIndent(m_Borders, HTML_INDENT_ALL, HTML_UNITS_PIXELS);
135	m_Cell -> SetAlignHor(HTML_ALIGN_CENTER);
136	CreateLayout();
137	Refresh();
138	return TRUE;
139	}
140
141
142	bool wxHtmlWindow::LoadPage(const wxString& location)
143	{
144	wxFSFile *f;
145	bool rt_val;
146	wxLocalBusyCursor b(this);
147
148	m_tmpCanDraw = FALSE;
149	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
150	int x, y;
151	ViewStart(&x, &y);
152	m_History[m_HistoryPos].SetPos(y);
153	}
154
155	if (location[0] == '#') { // local anchor
156	wxString anch = location.Mid(1) /1 to end/;
157	m_tmpCanDraw = TRUE;
158	rt_val = ScrollToAnchor(anch);
159	}
160
161	else {
162	// load&display it:
163	if (m_RelatedStatusBar != -1) {
164	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
165	Refresh();
166	}
167
168	f = m_FS -> OpenFile(location);
169	if (f == NULL) {
170	wxString err;
171
172	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
5526e819	173	m_tmpCanDraw = TRUE;
483ff5a5 VS	174	Refresh();
483ff5a5 VS	175	wxMessageBox(err, "Error");
5526e819 VS	176	return FALSE;
	177	}
	178
	179	else {
	180	wxNode *node;
	181	wxString src = wxEmptyString;
	182
	183	if (m_RelatedStatusBar != -1) {
	184	wxString msg = _("Loading : ") + location;
	185	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	186	Refresh();
	187	}
	188
	189	node = m_Filters.GetFirst();
	190	while (node){
	191	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	192	if (h -> CanRead(*f)) {
	193	src = h -> ReadFile(*f);
	194	break;
	195	}
	196	node = node -> GetNext();
	197	}
	198	if (src == wxEmptyString) src = m_DefaultFilter.ReadFile(*f);
	199
	200	m_FS -> ChangePathTo(f -> GetLocation());
	201	rt_val = SetPage(src);
	202	m_OpenedPage = f -> GetLocation();
	203	if (f -> GetAnchor() != wxEmptyString) {
	204	m_tmpCanDraw = TRUE;
	205	ScrollToAnchor(f -> GetAnchor());
	206	m_tmpCanDraw = FALSE;
	207	}
	208
	209	delete f;
	210
	211	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	212	}
	213	}
	214
	215	if (m_HistoryOn) { // add this page to history there:
	216	int c = m_History.GetCount() - (m_HistoryPos + 1);
	217
	218	m_HistoryPos++;
	219	for (int i = 0; i < c; i++)
	220	m_History.Remove(m_HistoryPos);
	221	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	222	}
	223
	224	m_tmpCanDraw = TRUE;
	225	Refresh();
	226	return rt_val;
	227	}
	228
	229
	230
	231	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	232	{
	233	const wxHtmlCell *c = m_Cell -> Find(HTML_COND_ISANCHOR, &anchor);
	234	if (!c) return FALSE;
	235	else {
	236	int y;
	237
	238	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
	239	Scroll(-1, y / HTML_SCROLL_STEP);
240	m_OpenedAnchor = anchor;
241	return TRUE;
242	}
243	}
244
245
246	void wxHtmlWindow::SetTitle(const wxString& title)
247	{
248	if (m_RelatedFrame) {
249	wxString tit;
250	tit.Printf(m_TitleFormat, title.c_str());
251	m_RelatedFrame -> SetTitle(tit);
252	}
253	}
254
255
256
257
258
259	void wxHtmlWindow::CreateLayout()
260	{
261	int ClientWidth, ClientHeight;
262
263	if (!m_Cell) return;
264	GetClientSize(&ClientWidth, &ClientHeight);
265	m_Cell -> Layout(ClientWidth);
266	if (m_Scrollable)
267	SetScrollbars(HTML_SCROLL_STEP, HTML_SCROLL_STEP,
268	m_Cell -> GetWidth() / HTML_SCROLL_STEP,
269	m_Cell -> GetHeight() / HTML_SCROLL_STEP
270	/cheat: top-level frag is always container/ );
271	}
272
273
274
275	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
276	{
277	wxString oldpath;
278	wxString tmp;
279
280	if (path != wxEmptyString) {
281	oldpath = cfg -> GetPath();
282	cfg -> SetPath(path);
283	}
284
285	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
286	m_Parser -> m_FontFaceFixed = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
287	m_Parser -> m_FontFaceNormal = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
288	m_Parser -> m_ItalicModeFixed = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
289	m_Parser -> m_ItalicModeNormal = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
290	for (int i = 0; i < 7; i++) {
291	tmp.Printf("wxHtmlWindow/FontsSize%i", i);
292	m_Parser -> m_FontsSizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
293	}
294
295	if (path != wxEmptyString)
296	cfg -> SetPath(oldpath);
297	}
298
299
300
301	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
302	{
303	wxString oldpath;
304	wxString tmp;
305
306	if (path != wxEmptyString) {
307	oldpath = cfg -> GetPath();
308	cfg -> SetPath(path);
309	}
310
311	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
312	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
313	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
314	cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
315	cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
316	for (int i = 0; i < 7; i++) {
317	tmp.Printf("wxHtmlWindow/FontsSize%i", i);
318	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
319	}
320
321	if (path != wxEmptyString)
322	cfg -> SetPath(oldpath);
323	}
324
325
326
327	bool wxHtmlWindow::HistoryBack()
328	{
329	wxString a, l;
330
331	if (m_HistoryPos < 1) return FALSE;
332
333	m_HistoryPos--;
334
335	l = m_History[m_HistoryPos].GetPage();
336	a = m_History[m_HistoryPos].GetAnchor();
337	m_HistoryOn = FALSE;
338	if (a == wxEmptyString) LoadPage(l);
339	else LoadPage(l + "#" + a);
340	m_HistoryOn = TRUE;
341	Scroll(0, m_History[m_HistoryPos].GetPos());
342	Refresh();
343	return TRUE;
344	}
345
346
347
348	bool wxHtmlWindow::HistoryForward()
349	{
350	wxString a, l;
351
352	if (m_HistoryPos == -1) return FALSE;
353	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
354
355	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
356
357	m_HistoryPos++;
358	l = m_History[m_HistoryPos].GetPage();
359	a = m_History[m_HistoryPos].GetAnchor();
360	m_HistoryOn = FALSE;
361	if (a == wxEmptyString) LoadPage(l);
362	else LoadPage(l + "#" + a);
363	m_HistoryOn = TRUE;
364	Scroll(0, m_History[m_HistoryPos].GetPos());
365	Refresh();
366	return TRUE;
367	}
368
369
370
371	void wxHtmlWindow::HistoryClear()
372	{
373	m_History.Empty();
374	m_HistoryPos = -1;
375	}
376
377
378
379	wxList wxHtmlWindow::m_Filters;
380	wxHtmlFilterPlainText wxHtmlWindow::m_DefaultFilter;
381
382	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
383	{
384	m_Filters.DeleteContents(TRUE);
385	m_Filters.Append(filter);
386	}
387
388
389
390
391	void wxHtmlWindow::OnLinkClicked(const wxString& link)
392	{
393	LoadPage(link);
394	}
395
396
397
398	void wxHtmlWindow::OnDraw(wxDC& dc)
399	{
400	int x, y;
401	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
402	int v_y, v_h;
403
404	if (!m_tmpCanDraw) return;
405	dc.SetMapMode(wxMM_TEXT);
406	#if defined(_MSC_VER) && (_MSC_VER == 1200)
407	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
408	#endif
409	dc.SetBackgroundMode(wxTRANSPARENT);
410	ViewStart(&x, &y);
411
412	while (upd) {
413	v_y = upd.GetY();
414	v_h = upd.GetH();
415	if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * HTML_SCROLL_STEP + v_y, y * HTML_SCROLL_STEP + v_h + v_y);
416	upd++;
417	}
418	}
419
420
421
422
423	void wxHtmlWindow::OnSize(wxSizeEvent& event)
424	{
425	wxScrolledWindow::OnSize(event);
426	CreateLayout();
427	}
428
429
430
431	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
432	{
433	int dummy;
434	int sty, szy, cliy;
435
436	ViewStart(&dummy, &sty);
437	GetClientSize(&dummy, &cliy); cliy /= HTML_SCROLL_STEP;
438	GetVirtualSize(&dummy, &szy); szy /= HTML_SCROLL_STEP;
439
440	switch (event.KeyCode()) {
441	case WXK_PAGEUP :
442	case WXK_PRIOR :
443	Scroll(-1, sty - cliy);
444	break;
445	case WXK_PAGEDOWN :
446	case WXK_NEXT :
447	Scroll(-1, sty + cliy);
448	break;
449	case WXK_HOME :
450	Scroll(-1, 0);
451	break;
452	case WXK_END :
453	Scroll(-1, szy - cliy);
454	break;
455	case WXK_UP :
456	Scroll(-1, sty - 1);
457	break;
458	case WXK_DOWN :
459	Scroll(-1, sty + 1);
460	break;
461	}
462	}
463
464
465
466	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
467	{
468	m_tmpMouseMoved = TRUE;
469
470	if (event.ButtonDown()) {
471	int sx, sy;
472	wxPoint pos;
473	wxString lnk;
474
475	ViewStart(&sx, &sy); sx = HTML_SCROLL_STEP; sy = HTML_SCROLL_STEP;
476	pos = event.GetPosition();
477
478	if (m_Cell)
479	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
480	}
481	}
482
483
484
485	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
486	{
487	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
488
489	if (m_tmpMouseMoved && (m_Cell != NULL)) {
490	int sx, sy;
491	int x, y;
492	wxString lnk;
493
494	ViewStart(&sx, &sy); sx = HTML_SCROLL_STEP; sy = HTML_SCROLL_STEP;
495	wxGetMousePosition(&x, &y);
496	ScreenToClient(&x, &y);
497	lnk = m_Cell -> GetLink(sx + x, sy + y);
498
499	if (lnk == wxEmptyString) {
500	SetCursor(cur_arrow);
501	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
502	}
503	else {
504	SetCursor(cur_hand);
505	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
506	}
507	m_tmpMouseMoved = FALSE;
508	}
509	}
510
511
512
513
514	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
515
516	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
517	EVT_SIZE(wxHtmlWindow::OnSize)
518	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
519	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
520	EVT_IDLE(wxHtmlWindow::OnIdle)
521	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
522	END_EVENT_TABLE()
523
524
525
526
527
528
529
530
531	///// default mod handlers are forced there:
532
533	FORCE_LINK(mod_layout)
534	FORCE_LINK(mod_fonts)
535	FORCE_LINK(mod_image)
536	FORCE_LINK(mod_list)
537	FORCE_LINK(mod_pre)
538	FORCE_LINK(mod_hline)
539	FORCE_LINK(mod_links)
540	FORCE_LINK(mod_tables)
541
542
483ff5a5	543	#endif