[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"

#ifdef __WXMSW__
#include <windows.h>
#endif

//-----------------------------------------------------------------------------
// 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 | wxHSCROLL, name)
{
    m_tmpMouseMoved = FALSE;
    m_tmpLastLink = NULL;
    m_tmpCanDrawLocks = 0;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = "%s";
    m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
    m_Cell = NULL;
    m_Parser = new wxHtmlWinParser(this);
    m_Parser -> SetFS(m_FS);
    SetBorders(10);
    m_HistoryPos = -1;
    m_HistoryOn = TRUE;
    m_Style = style;
    SetPage("<html><body></body></html>");
}


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

    if (m_Cell) delete m_Cell;

    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, wxString fixed_face, const int *sizes)
{
    wxString op = m_OpenedPage;

    m_Parser -> SetFonts(normal_face, fixed_face, sizes);
    SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
    if (!op.IsEmpty()) LoadPage(op);
}


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

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


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

    SetCursor(*wxHOURGLASS_CURSOR);
    wxYield();

    m_tmpCanDrawLocks++;
    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_tmpCanDrawLocks--;
        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(_("Unable to open requested location :\n\n%s"), WXSTRINGCAST location);
            m_tmpCanDrawLocks--;
            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_tmpCanDrawLocks--;
                ScrollToAnchor(f -> GetAnchor());
//                m_tmpCanDrawLocks++;
            }

            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);

    wxYield();
    m_tmpCanDrawLocks--;
    Refresh();
    return rt_val;
}


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

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


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


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

    if (!m_Cell) return;

    if (m_Style == wxHW_SCROLLBAR_NEVER) {
        SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 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(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
#endif
        GetClientSize(&ClientWidth, &ClientHeight);
        m_Cell -> Layout(ClientWidth);
        if (ClientHeight < m_Cell -> GetHeight() + GetCharHeight()) {
            SetScrollbars(
                  wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
                  m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
                  (m_Cell -> GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
                  /*cheat: top-level frag is always container*/);
        }
        else { /* we fit into window, no need for scrollbars */
            SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
            GetClientSize(&ClientWidth, &ClientHeight);
            m_Cell -> Layout(ClientWidth); // ...and relayout
        }
    }
}


void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
{
    wxString oldpath;
    wxString tmp;
    int p_fontsizes[7];
    wxString p_fff, p_ffn;

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

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

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


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

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

    cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
    cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
    cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
    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;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    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;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    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 wxHtmlLinkInfo& link)
{
    LoadPage(link.GetHref());
}


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

    if (m_tmpCanDrawLocks > 0) 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 - (2 * cliy / 3));
                break;
        case WXK_PAGEDOWN :
        case WXK_NEXT :
                Scroll(-1, sty + (2 * cliy / 3));
                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);
    }
}


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;
        wxHtmlLinkInfo *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 == NULL) {
                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 -> GetHref(), 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(m_layout)
FORCE_LINK(m_fonts)
FORCE_LINK(m_image)
FORCE_LINK(m_list)
FORCE_LINK(m_dflist)
FORCE_LINK(m_pre)
FORCE_LINK(m_hline)
FORCE_LINK(m_links)
FORCE_LINK(m_tables)
FORCE_LINK(m_meta)


#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"
69941f05	29	#include "wx/html/forcelnk.h"
5526e819	30
583f6c5c JS	31	#ifdef __WXMSW__
	32	#include <windows.h>
	33	#endif
5526e819 VS	34
	35	//-----------------------------------------------------------------------------
	36	// wxHtmlWindow
	37	//-----------------------------------------------------------------------------
	38
	39
	40
3096bd2f	41	#include "wx/arrimpl.cpp"
5526e819 VS	42	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	43
	44
269e8200	45	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
f3bcfd9b	46	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL \| wxHSCROLL, name)
5526e819 VS	47	{
5526e819 VS	48	m_tmpMouseMoved = FALSE;
846914d1	49	m_tmpLastLink = NULL;
89de9af3	50	m_tmpCanDrawLocks = 0;
5526e819 VS	51	m_FS = new wxFileSystem();
	52	m_RelatedStatusBar = -1;
	53	m_RelatedFrame = NULL;
	54	m_TitleFormat = "%s";
d5db80c2	55	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819 VS	56	m_Cell = NULL;
	57	m_Parser = new wxHtmlWinParser(this);
	58	m_Parser -> SetFS(m_FS);
	59	SetBorders(10);
	60	m_HistoryPos = -1;
	61	m_HistoryOn = TRUE;
a547ebff	62	m_Style = style;
5526e819 VS	63	SetPage("<html><body></body></html>");
	64	}
	65
	66
	67
	68	wxHtmlWindow::~wxHtmlWindow()
	69	{
	70	HistoryClear();
	71
	72	if (m_Cell) delete m_Cell;
	73
5526e819 VS	74	delete m_Parser;
	75	delete m_FS;
	76	}
	77
	78
	79
	80	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	81	{
	82	m_RelatedFrame = frame;
	83	m_TitleFormat = format;
	84	}
	85
	86
	87
	88	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	89	{
	90	m_RelatedStatusBar = bar;
	91	}
269e8200 RD	92
	93
	94
8eb2940f	95	void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
5526e819	96	{
d5db80c2 VS	97	wxString op = m_OpenedPage;
d5db80c2 VS	98
8eb2940f	99	m_Parser -> SetFonts(normal_face, fixed_face, sizes);
fb5700fe	100	SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
d5db80c2	101	if (!op.IsEmpty()) LoadPage(op);
5526e819 VS	102	}
	103
	104
	105
	106	bool wxHtmlWindow::SetPage(const wxString& source)
	107	{
	108	wxClientDC *dc = new wxClientDC(this);
	109
	110	dc -> SetMapMode(wxMM_TEXT);
	111	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
d5db80c2	112	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819	113	m_Parser -> SetDC(dc);
f61815af	114	if (m_Cell) {
89de9af3 VS	115	delete m_Cell;
89de9af3 VS	116	m_Cell = NULL;
f61815af	117	}
5526e819 VS	118	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	119	delete dc;
efba2b89 VS	120	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	121	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819	122	CreateLayout();
89de9af3	123	if (m_tmpCanDrawLocks == 0) Refresh();
5526e819 VS	124	return TRUE;
	125	}
	126
	127
	128	bool wxHtmlWindow::LoadPage(const wxString& location)
	129	{
	130	wxFSFile *f;
	131	bool rt_val;
169ee06c VS	132
	133	SetCursor(*wxHOURGLASS_CURSOR);
	134	wxYield();
5526e819	135
89de9af3	136	m_tmpCanDrawLocks++;
5526e819 VS	137	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	138	int x, y;
	139	ViewStart(&x, &y);
	140	m_History[m_HistoryPos].SetPos(y);
	141	}
	142
	143	if (location[0] == '#') { // local anchor
	144	wxString anch = location.Mid(1) /1 to end/;
89de9af3	145	m_tmpCanDrawLocks--;
5526e819 VS	146	rt_val = ScrollToAnchor(anch);
	147	}
	148
	149	else {
	150	// load&display it:
	151	if (m_RelatedStatusBar != -1) {
	152	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	153	Refresh();
	154	}
	155
	156	f = m_FS -> OpenFile(location);
	157	if (f == NULL) {
	158	wxString err;
	159
f3bcfd9b	160	err.Printf(_("Unable to open requested location :\n\n%s"), WXSTRINGCAST location);
89de9af3	161	m_tmpCanDrawLocks--;
483ff5a5 VS	162	Refresh();
483ff5a5 VS	163	wxMessageBox(err, "Error");
169ee06c VS	164
169ee06c VS	165	SetCursor(*wxSTANDARD_CURSOR);
5526e819 VS	166	return FALSE;
	167	}
	168
	169	else {
	170	wxNode *node;
	171	wxString src = wxEmptyString;
	172
	173	if (m_RelatedStatusBar != -1) {
	174	wxString msg = _("Loading : ") + location;
	175	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	176	Refresh();
	177	}
	178
	179	node = m_Filters.GetFirst();
	180	while (node){
	181	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	182	if (h -> CanRead(*f)) {
	183	src = h -> ReadFile(*f);
	184	break;
	185	}
	186	node = node -> GetNext();
	187	}
a76015e6	188	if (src == wxEmptyString) {
89de9af3 VS	189	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	190	src = m_DefaultFilter -> ReadFile(*f);
	191	}
5526e819 VS	192
	193	m_FS -> ChangePathTo(f -> GetLocation());
	194	rt_val = SetPage(src);
	195	m_OpenedPage = f -> GetLocation();
	196	if (f -> GetAnchor() != wxEmptyString) {
89de9af3	197	// m_tmpCanDrawLocks--;
5526e819	198	ScrollToAnchor(f -> GetAnchor());
89de9af3	199	// m_tmpCanDrawLocks++;
5526e819 VS	200	}
	201
	202	delete f;
	203
	204	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	205	}
	206	}
	207
	208	if (m_HistoryOn) { // add this page to history there:
	209	int c = m_History.GetCount() - (m_HistoryPos + 1);
	210
	211	m_HistoryPos++;
	212	for (int i = 0; i < c; i++)
	213	m_History.Remove(m_HistoryPos);
	214	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	215	}
	216
169ee06c VS	217	SetCursor(*wxSTANDARD_CURSOR);
169ee06c VS	218
89de9af3 VS	219	wxYield();
89de9af3 VS	220	m_tmpCanDrawLocks--;
5526e819 VS	221	Refresh();
	222	return rt_val;
	223	}
	224
	225
	226
	227	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	228	{
efba2b89	229	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
5526e819 VS	230	if (!c) return FALSE;
	231	else {
	232	int y;
269e8200	233
5526e819	234	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	235	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	236	m_OpenedAnchor = anchor;
	237	return TRUE;
	238	}
	239	}
	240
	241
d5db80c2	242	void wxHtmlWindow::OnSetTitle(const wxString& title)
5526e819 VS	243	{
	244	if (m_RelatedFrame) {
	245	wxString tit;
	246	tit.Printf(m_TitleFormat, title.c_str());
	247	m_RelatedFrame -> SetTitle(tit);
	248	}
d5db80c2	249	m_OpenedPageTitle = title;
5526e819 VS	250	}
	251
	252
	253
	254
	255
	256	void wxHtmlWindow::CreateLayout()
	257	{
	258	int ClientWidth, ClientHeight;
	259
	260	if (!m_Cell) return;
a547ebff VS	261
a547ebff VS	262	if (m_Style == wxHW_SCROLLBAR_NEVER) {
08d038e7	263	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
a547ebff VS	264	GetClientSize(&ClientWidth, &ClientHeight);
	265	m_Cell -> Layout(ClientWidth);
	266	}
	267
	268	else {
	269	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	270	#ifndef __WXMSW__
d54ed754 VS	271	// VS : this looks extremely ugly under windoze, better fix needed!
08d038e7	272	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
d54ed754	273	#endif
a547ebff VS	274	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	275	m_Cell -> Layout(ClientWidth);
f3bcfd9b VS	276	if (ClientHeight < m_Cell -> GetHeight() + GetCharHeight()) {
	277	SetScrollbars(
	278	wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	279	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	280	(m_Cell -> GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
	281	/cheat: top-level frag is always container/);
a547ebff	282	}
89de9af3	283	else { /* we fit into window, no need for scrollbars */
08d038e7	284	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
89de9af3 VS	285	GetClientSize(&ClientWidth, &ClientHeight);
	286	m_Cell -> Layout(ClientWidth); // ...and relayout
	287	}
a547ebff	288	}
5526e819 VS	289	}
5526e819 VS	290
269e8200	291
5526e819 VS	292
	293	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	294	{
	295	wxString oldpath;
	296	wxString tmp;
d5db80c2 VS	297	int p_fontsizes[7];
d5db80c2 VS	298	wxString p_fff, p_ffn;
5526e819 VS	299
	300	if (path != wxEmptyString) {
	301	oldpath = cfg -> GetPath();
	302	cfg -> SetPath(path);
	303	}
	304
	305	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
d5db80c2 VS	306	p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
d5db80c2 VS	307	p_ffn = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	308	for (int i = 0; i < 7; i++) {
66a77a74	309	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
d5db80c2	310	p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
5526e819	311	}
8eb2940f	312	SetFonts(p_ffn, p_fff, p_fontsizes);
5526e819 VS	313
	314	if (path != wxEmptyString)
	315	cfg -> SetPath(oldpath);
	316	}
	317
	318
	319
	320	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	321	{
	322	wxString oldpath;
	323	wxString tmp;
	324
	325	if (path != wxEmptyString) {
	326	oldpath = cfg -> GetPath();
	327	cfg -> SetPath(path);
	328	}
	329
	330	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	331	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	332	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	333	for (int i = 0; i < 7; i++) {
66a77a74	334	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	335	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	336	}
	337
	338	if (path != wxEmptyString)
	339	cfg -> SetPath(oldpath);
	340	}
	341
	342
	343
	344	bool wxHtmlWindow::HistoryBack()
	345	{
	346	wxString a, l;
	347
	348	if (m_HistoryPos < 1) return FALSE;
	349
	350	m_HistoryPos--;
	351
	352	l = m_History[m_HistoryPos].GetPage();
	353	a = m_History[m_HistoryPos].GetAnchor();
	354	m_HistoryOn = FALSE;
89de9af3	355	m_tmpCanDrawLocks++;
5526e819 VS	356	if (a == wxEmptyString) LoadPage(l);
	357	else LoadPage(l + "#" + a);
	358	m_HistoryOn = TRUE;
c88293a4	359	wxYield();
89de9af3	360	m_tmpCanDrawLocks--;
c88293a4	361	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	362	Refresh();
	363	return TRUE;
	364	}
	365
	366
	367
	368	bool wxHtmlWindow::HistoryForward()
	369	{
	370	wxString a, l;
	371
	372	if (m_HistoryPos == -1) return FALSE;
	373	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	374
	375	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	376
	377	m_HistoryPos++;
	378	l = m_History[m_HistoryPos].GetPage();
	379	a = m_History[m_HistoryPos].GetAnchor();
	380	m_HistoryOn = FALSE;
89de9af3	381	m_tmpCanDrawLocks++;
5526e819 VS	382	if (a == wxEmptyString) LoadPage(l);
	383	else LoadPage(l + "#" + a);
	384	m_HistoryOn = TRUE;
c88293a4	385	wxYield();
89de9af3	386	m_tmpCanDrawLocks--;
c88293a4	387	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	388	Refresh();
	389	return TRUE;
	390	}
	391
	392
	393
	394	void wxHtmlWindow::HistoryClear()
	395	{
	396	m_History.Empty();
	397	m_HistoryPos = -1;
	398	}
	399
	400
	401
	402	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	403	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	404
	405	void wxHtmlWindow::CleanUpStatics()
	406	{
	407	if (m_DefaultFilter) delete m_DefaultFilter;
	408	m_DefaultFilter = NULL;
269e8200 RD	409	m_Filters.DeleteContents(TRUE);
	410	m_Filters.Clear();
	411
a76015e6 VS	412	}
	413
	414
5526e819 VS	415
	416	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	417	{
5526e819 VS	418	m_Filters.Append(filter);
	419	}
	420
	421
	422
	423
0b2dadd3	424	void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
5526e819	425	{
0b2dadd3	426	LoadPage(link.GetHref());
5526e819 VS	427	}
	428
	429
	430
	431	void wxHtmlWindow::OnDraw(wxDC& dc)
	432	{
	433	int x, y;
	434	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	435	int v_y, v_h;
	436
89de9af3	437	if (m_tmpCanDrawLocks > 0) return;
5526e819 VS	438	dc.SetMapMode(wxMM_TEXT);
	439	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	440	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	441	#endif
	442	dc.SetBackgroundMode(wxTRANSPARENT);
	443	ViewStart(&x, &y);
	444
	445	while (upd) {
	446	v_y = upd.GetY();
	447	v_h = upd.GetH();
efba2b89	448	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	449	upd++;
	450	}
	451	}
	452
	453
	454
	455
	456	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	457	{
	458	wxScrolledWindow::OnSize(event);
	459	CreateLayout();
	460	}
	461
	462
	463
	464	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	465	{
	466	int dummy;
	467	int sty, szy, cliy;
	468
	469	ViewStart(&dummy, &sty);
efba2b89 VS	470	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	471	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	472
	473	switch (event.KeyCode()) {
	474	case WXK_PAGEUP :
6aef9caf VS	475	case WXK_PRIOR :
6aef9caf VS	476	Scroll(-1, sty - (2 * cliy / 3));
5526e819 VS	477	break;
5526e819 VS	478	case WXK_PAGEDOWN :
6aef9caf VS	479	case WXK_NEXT :
6aef9caf VS	480	Scroll(-1, sty + (2 * cliy / 3));
5526e819 VS	481	break;
	482	case WXK_HOME :
	483	Scroll(-1, 0);
	484	break;
	485	case WXK_END :
	486	Scroll(-1, szy - cliy);
	487	break;
	488	case WXK_UP :
	489	Scroll(-1, sty - 1);
	490	break;
	491	case WXK_DOWN :
	492	Scroll(-1, sty + 1);
	493	break;
	494	}
	495	}
	496
	497
	498
	499	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	500	{
	501	m_tmpMouseMoved = TRUE;
	502
	503	if (event.ButtonDown()) {
	504	int sx, sy;
	505	wxPoint pos;
	506	wxString lnk;
	507
efba2b89	508	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	509	pos = event.GetPosition();
	510
	511	if (m_Cell)
0b2dadd3	512	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event);
5526e819 VS	513	}
	514	}
	515
	516
	517
	518	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	519	{
	520	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	521
	522	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	523	int sx, sy;
	524	int x, y;
846914d1	525	wxHtmlLinkInfo *lnk;
5526e819	526
efba2b89	527	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	528	wxGetMousePosition(&x, &y);
	529	ScreenToClient(&x, &y);
	530	lnk = m_Cell -> GetLink(sx + x, sy + y);
	531
622ea783	532	if (lnk != m_tmpLastLink) {
846914d1	533	if (lnk == NULL) {
622ea783 VS	534	SetCursor(cur_arrow);
	535	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	536	}
	537	else {
	538	SetCursor(cur_hand);
846914d1 VS	539	if (m_RelatedStatusBar != -1)
846914d1 VS	540	m_RelatedFrame -> SetStatusText(lnk -> GetHref(), m_RelatedStatusBar);
622ea783 VS	541	}
622ea783 VS	542	m_tmpLastLink = lnk;
5526e819 VS	543	}
	544	m_tmpMouseMoved = FALSE;
	545	}
	546	}
	547
	548
	549
	550
	551	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	552
	553	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	554	EVT_SIZE(wxHtmlWindow::OnSize)
	555	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	556	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	557	EVT_IDLE(wxHtmlWindow::OnIdle)
	558	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	559	END_EVENT_TABLE()
	560
	561
	562
	563
	564
a76015e6 VS	565	// A module to allow initialization/cleanup
	566	// without calling these functions from app.cpp or from
	567	// the user's application.
	568
	569	class wxHtmlWinModule: public wxModule
	570	{
	571	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	572	public:
	573	wxHtmlWinModule() : wxModule() {}
	574	bool OnInit() { return TRUE; }
	575	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	576	};
	577
	578	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	579
5526e819 VS	580
	581
	582
	583	///// default mod handlers are forced there:
	584
c88293a4 VS	585	FORCE_LINK(m_layout)
	586	FORCE_LINK(m_fonts)
	587	FORCE_LINK(m_image)
	588	FORCE_LINK(m_list)
	589	FORCE_LINK(m_dflist)
	590	FORCE_LINK(m_pre)
	591	FORCE_LINK(m_hline)
	592	FORCE_LINK(m_links)
	593	FORCE_LINK(m_tables)
fa146dd7	594	FORCE_LINK(m_meta)
5526e819 VS	595
5526e819 VS	596
483ff5a5	597	#endif