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