[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_tmpCanDraw = TRUE;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = "%s";
    m_OpenedPage = m_OpenedAnchor = wxEmptyString;
    m_Cell = NULL;
    m_Parser = new wxHtmlWinParser(this);
    m_Parser -> SetFS(m_FS);
    SetBorders(10);
    m_HistoryPos = -1;
    m_HistoryOn = TRUE;
    m_Style = style;
    SetPage("<html><body></body></html>");
}


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

    if (m_Cell) delete m_Cell;

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

    delete m_Parser;
    delete m_FS;
}


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


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


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


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

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


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

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

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

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

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

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

        else {
            wxNode *node;
            wxString src = wxEmptyString;

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

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

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

            delete f;

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

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

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

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


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

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


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


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

    if (!m_Cell) return;

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

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


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

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

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

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


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

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

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

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


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

    if (m_HistoryPos < 1) return FALSE;

    m_HistoryPos--;

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


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

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

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

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


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


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

void wxHtmlWindow::CleanUpStatics()
{
    if (m_DefaultFilter) delete m_DefaultFilter;
    m_DefaultFilter = NULL;
    wxNode* node = m_Filters.GetFirst();
    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 * 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
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
	15	#include <wx/wxprec.h>
	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML
	19
	20	#ifdef __BORDLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
	25	#include <wx/wx.h>
	26	#endif
	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
	40	#include <wx/arrimpl.cpp>
	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	{
	47	m_tmpMouseMoved = FALSE;
	48	m_tmpCanDraw = TRUE;
	49	m_FS = new wxFileSystem();
	50	m_RelatedStatusBar = -1;
	51	m_RelatedFrame = NULL;
	52	m_TitleFormat = "%s";
	53	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
	54	m_Cell = NULL;
	55	m_Parser = new wxHtmlWinParser(this);
	56	m_Parser -> SetFS(m_FS);
	57	SetBorders(10);
	58	m_HistoryPos = -1;
	59	m_HistoryOn = TRUE;
a547ebff	60	m_Style = style;
5526e819 VS	61	SetPage("<html><body></body></html>");
	62	}
	63
	64
	65
	66	wxHtmlWindow::~wxHtmlWindow()
	67	{
	68	HistoryClear();
	69
	70	if (m_Cell) delete m_Cell;
	71
	72	wxList *parser_data = m_Parser -> GetTempData();
	73	if (parser_data) delete parser_data;
	74
	75	delete m_Parser;
	76	delete m_FS;
	77	}
	78
	79
	80
	81	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	82	{
	83	m_RelatedFrame = frame;
	84	m_TitleFormat = format;
	85	}
	86
	87
	88
	89	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	90	{
	91	m_RelatedStatusBar = bar;
	92	}
269e8200 RD	93
	94
	95
5526e819 VS	96	void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, int *sizes)
	97	{
	98	m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
	99	if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage);
	100	}
	101
	102
	103
	104	bool wxHtmlWindow::SetPage(const wxString& source)
	105	{
	106	wxClientDC *dc = new wxClientDC(this);
	107
	108	dc -> SetMapMode(wxMM_TEXT);
	109	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
	110	m_OpenedPage = m_OpenedAnchor = wxEmptyString;
	111	m_Parser -> SetDC(dc);
f61815af GL	112	if (m_Cell) {
	113	delete m_Cell;
	114	m_Cell = NULL;
	115	}
5526e819 VS	116	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
	117	delete dc;
	118	m_Cell -> SetIndent(m_Borders, HTML_INDENT_ALL, HTML_UNITS_PIXELS);
	119	m_Cell -> SetAlignHor(HTML_ALIGN_CENTER);
	120	CreateLayout();
	121	Refresh();
	122	return TRUE;
	123	}
	124
	125
	126	bool wxHtmlWindow::LoadPage(const wxString& location)
	127	{
	128	wxFSFile *f;
	129	bool rt_val;
a547ebff	130	wxBusyCursor b;
5526e819 VS	131
	132	m_tmpCanDraw = FALSE;
	133	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	134	int x, y;
	135	ViewStart(&x, &y);
	136	m_History[m_HistoryPos].SetPos(y);
	137	}
	138
	139	if (location[0] == '#') { // local anchor
	140	wxString anch = location.Mid(1) /1 to end/;
	141	m_tmpCanDraw = TRUE;
	142	rt_val = ScrollToAnchor(anch);
	143	}
	144
	145	else {
	146	// load&display it:
	147	if (m_RelatedStatusBar != -1) {
	148	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	149	Refresh();
	150	}
	151
	152	f = m_FS -> OpenFile(location);
	153	if (f == NULL) {
	154	wxString err;
	155
	156	err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
5526e819	157	m_tmpCanDraw = TRUE;
483ff5a5 VS	158	Refresh();
483ff5a5 VS	159	wxMessageBox(err, "Error");
5526e819 VS	160	return FALSE;
	161	}
	162
	163	else {
	164	wxNode *node;
	165	wxString src = wxEmptyString;
	166
	167	if (m_RelatedStatusBar != -1) {
	168	wxString msg = _("Loading : ") + location;
	169	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	170	Refresh();
	171	}
	172
	173	node = m_Filters.GetFirst();
	174	while (node){
	175	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	176	if (h -> CanRead(*f)) {
	177	src = h -> ReadFile(*f);
	178	break;
	179	}
	180	node = node -> GetNext();
	181	}
a76015e6 VS	182	if (src == wxEmptyString) {
	183	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	184	src = m_DefaultFilter -> ReadFile(*f);
	185	}
5526e819 VS	186
	187	m_FS -> ChangePathTo(f -> GetLocation());
	188	rt_val = SetPage(src);
	189	m_OpenedPage = f -> GetLocation();
	190	if (f -> GetAnchor() != wxEmptyString) {
	191	m_tmpCanDraw = TRUE;
	192	ScrollToAnchor(f -> GetAnchor());
	193	m_tmpCanDraw = FALSE;
	194	}
	195
	196	delete f;
	197
	198	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	199	}
	200	}
	201
	202	if (m_HistoryOn) { // add this page to history there:
	203	int c = m_History.GetCount() - (m_HistoryPos + 1);
	204
	205	m_HistoryPos++;
	206	for (int i = 0; i < c; i++)
	207	m_History.Remove(m_HistoryPos);
	208	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	209	}
	210
	211	m_tmpCanDraw = TRUE;
	212	Refresh();
	213	return rt_val;
	214	}
	215
	216
	217
	218	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	219	{
	220	const wxHtmlCell *c = m_Cell -> Find(HTML_COND_ISANCHOR, &anchor);
	221	if (!c) return FALSE;
	222	else {
	223	int y;
269e8200	224
5526e819 VS	225	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
	226	Scroll(-1, y / HTML_SCROLL_STEP);
	227	m_OpenedAnchor = anchor;
	228	return TRUE;
	229	}
	230	}
	231
	232
	233	void wxHtmlWindow::SetTitle(const wxString& title)
	234	{
	235	if (m_RelatedFrame) {
	236	wxString tit;
	237	tit.Printf(m_TitleFormat, title.c_str());
	238	m_RelatedFrame -> SetTitle(tit);
	239	}
	240	}
	241
	242
	243
	244
	245
	246	void wxHtmlWindow::CreateLayout()
	247	{
	248	int ClientWidth, ClientHeight;
	249
	250	if (!m_Cell) return;
a547ebff VS	251
a547ebff VS	252	if (m_Style == wxHW_SCROLLBAR_NEVER) {
60811dc6	253	SetScrollbars(1, 1, 0, 0); // always off
a547ebff VS	254	GetClientSize(&ClientWidth, &ClientHeight);
	255	m_Cell -> Layout(ClientWidth);
	256	}
	257
	258	else {
	259	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	260	#ifndef __WXMSW__
d54ed754 VS	261	// VS : this looks extremely ugly under windoze, better fix needed!
269e8200	262	SetScrollbars(1, 1, 0, ClientHeight * 2); // always on
d54ed754	263	#endif
a547ebff VS	264	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	265	m_Cell -> Layout(ClientWidth);
a47ad262	266	if (ClientHeight < m_Cell -> GetHeight()) {
a547ebff VS	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	}
a47ad262 VS	272	else { /* we fit into window, no need for scrollbars */
a47ad262 VS	273	SetScrollbars(1, 1, 0, 0); // disable...
d54ed754	274	GetClientSize(&ClientWidth, &ClientHeight);
a47ad262 VS	275	m_Cell -> Layout(ClientWidth); // ...and relayout
a47ad262 VS	276	}
a547ebff	277	}
5526e819 VS	278	}
5526e819 VS	279
269e8200	280
5526e819 VS	281
	282	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	283	{
	284	wxString oldpath;
	285	wxString tmp;
	286
	287	if (path != wxEmptyString) {
	288	oldpath = cfg -> GetPath();
	289	cfg -> SetPath(path);
	290	}
	291
	292	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
	293	m_Parser -> m_FontFaceFixed = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	294	m_Parser -> m_FontFaceNormal = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	295	m_Parser -> m_ItalicModeFixed = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
	296	m_Parser -> m_ItalicModeNormal = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
	297	for (int i = 0; i < 7; i++) {
	298	tmp.Printf("wxHtmlWindow/FontsSize%i", i);
	299	m_Parser -> m_FontsSizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
	300	}
	301
	302	if (path != wxEmptyString)
	303	cfg -> SetPath(oldpath);
	304	}
	305
	306
	307
	308	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	309	{
	310	wxString oldpath;
	311	wxString tmp;
	312
	313	if (path != wxEmptyString) {
	314	oldpath = cfg -> GetPath();
	315	cfg -> SetPath(path);
	316	}
	317
	318	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	319	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	320	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
	321	cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
	322	cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
	323	for (int i = 0; i < 7; i++) {
	324	tmp.Printf("wxHtmlWindow/FontsSize%i", i);
	325	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	326	}
	327
	328	if (path != wxEmptyString)
	329	cfg -> SetPath(oldpath);
	330	}
	331
	332
	333
	334	bool wxHtmlWindow::HistoryBack()
	335	{
	336	wxString a, l;
	337
	338	if (m_HistoryPos < 1) return FALSE;
	339
	340	m_HistoryPos--;
	341
	342	l = m_History[m_HistoryPos].GetPage();
	343	a = m_History[m_HistoryPos].GetAnchor();
	344	m_HistoryOn = FALSE;
345	if (a == wxEmptyString) LoadPage(l);
346	else LoadPage(l + "#" + a);
347	m_HistoryOn = TRUE;
348	Scroll(0, m_History[m_HistoryPos].GetPos());
349	Refresh();
350	return TRUE;
351	}
352
353
354
355	bool wxHtmlWindow::HistoryForward()
356	{
357	wxString a, l;
358
359	if (m_HistoryPos == -1) return FALSE;
360	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
361
362	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
363
364	m_HistoryPos++;
365	l = m_History[m_HistoryPos].GetPage();
366	a = m_History[m_HistoryPos].GetAnchor();
367	m_HistoryOn = FALSE;
368	if (a == wxEmptyString) LoadPage(l);
369	else LoadPage(l + "#" + a);
370	m_HistoryOn = TRUE;
371	Scroll(0, m_History[m_HistoryPos].GetPos());
372	Refresh();
373	return TRUE;
374	}
375
376
377
378	void wxHtmlWindow::HistoryClear()
379	{
380	m_History.Empty();
381	m_HistoryPos = -1;
382	}
383
384
385
386	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	387	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	388
	389	void wxHtmlWindow::CleanUpStatics()
	390	{
	391	if (m_DefaultFilter) delete m_DefaultFilter;
	392	m_DefaultFilter = NULL;
269e8200 RD	393	wxNode* node = m_Filters.GetFirst();
	394	m_Filters.DeleteContents(TRUE);
	395	m_Filters.Clear();
	396
a76015e6 VS	397	}
	398
	399
5526e819 VS	400
	401	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	402	{
5526e819 VS	403	m_Filters.Append(filter);
	404	}
	405
	406
	407
	408
	409	void wxHtmlWindow::OnLinkClicked(const wxString& link)
	410	{
	411	LoadPage(link);
	412	}
	413
	414
	415
	416	void wxHtmlWindow::OnDraw(wxDC& dc)
	417	{
	418	int x, y;
	419	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	420	int v_y, v_h;
	421
	422	if (!m_tmpCanDraw) return;
	423	dc.SetMapMode(wxMM_TEXT);
	424	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	425	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	426	#endif
	427	dc.SetBackgroundMode(wxTRANSPARENT);
	428	ViewStart(&x, &y);
	429
	430	while (upd) {
	431	v_y = upd.GetY();
	432	v_h = upd.GetH();
	433	if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * HTML_SCROLL_STEP + v_y, y * HTML_SCROLL_STEP + v_h + v_y);
	434	upd++;
	435	}
	436	}
	437
	438
	439
	440
	441	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	442	{
	443	wxScrolledWindow::OnSize(event);
	444	CreateLayout();
	445	}
	446
	447
	448
	449	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	450	{
	451	int dummy;
	452	int sty, szy, cliy;
	453
	454	ViewStart(&dummy, &sty);
	455	GetClientSize(&dummy, &cliy); cliy /= HTML_SCROLL_STEP;
	456	GetVirtualSize(&dummy, &szy); szy /= HTML_SCROLL_STEP;
	457
	458	switch (event.KeyCode()) {
	459	case WXK_PAGEUP :
	460	case WXK_PRIOR :
	461	Scroll(-1, sty - cliy);
	462	break;
	463	case WXK_PAGEDOWN :
	464	case WXK_NEXT :
	465	Scroll(-1, sty + cliy);
	466	break;
467	case WXK_HOME :
468	Scroll(-1, 0);
469	break;
470	case WXK_END :
471	Scroll(-1, szy - cliy);
472	break;
473	case WXK_UP :
474	Scroll(-1, sty - 1);
475	break;
476	case WXK_DOWN :
477	Scroll(-1, sty + 1);
478	break;
479	}
480	}
481
482
483
484	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
485	{
486	m_tmpMouseMoved = TRUE;
487
488	if (event.ButtonDown()) {
489	int sx, sy;
490	wxPoint pos;
491	wxString lnk;
492
493	ViewStart(&sx, &sy); sx = HTML_SCROLL_STEP; sy = HTML_SCROLL_STEP;
494	pos = event.GetPosition();
495
496	if (m_Cell)
497	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
498	}
499	}
500
501
502
503	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
504	{
505	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
506
507	if (m_tmpMouseMoved && (m_Cell != NULL)) {
508	int sx, sy;
509	int x, y;
510	wxString lnk;
511
512	ViewStart(&sx, &sy); sx = HTML_SCROLL_STEP; sy = HTML_SCROLL_STEP;
513	wxGetMousePosition(&x, &y);
514	ScreenToClient(&x, &y);
515	lnk = m_Cell -> GetLink(sx + x, sy + y);
516
517	if (lnk == wxEmptyString) {
518	SetCursor(cur_arrow);
519	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
520	}
521	else {
522	SetCursor(cur_hand);
523	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
524	}
525	m_tmpMouseMoved = FALSE;
526	}
527	}
528
529
530
531
532	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
533
534	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
535	EVT_SIZE(wxHtmlWindow::OnSize)
536	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
537	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
538	EVT_IDLE(wxHtmlWindow::OnIdle)
539	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
540	END_EVENT_TABLE()
541
542
543
544
545
a76015e6 VS	546	// A module to allow initialization/cleanup
	547	// without calling these functions from app.cpp or from
	548	// the user's application.
	549
	550	class wxHtmlWinModule: public wxModule
	551	{
	552	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	553	public:
	554	wxHtmlWinModule() : wxModule() {}
	555	bool OnInit() { return TRUE; }
	556	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	557	};
	558
	559	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	560
5526e819 VS	561
	562
	563
	564	///// default mod handlers are forced there:
	565
	566	FORCE_LINK(mod_layout)
	567	FORCE_LINK(mod_fonts)
	568	FORCE_LINK(mod_image)
	569	FORCE_LINK(mod_list)
	570	FORCE_LINK(mod_pre)
	571	FORCE_LINK(mod_hline)
	572	FORCE_LINK(mod_links)
	573	FORCE_LINK(mod_tables)
	574
	575
483ff5a5	576	#endif