]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/htmlwin.cpp
moved declaration of variable only used if wxUSE_GIF inside #if wxUSE_GIF block
[wxWidgets.git] / src / html / htmlwin.cpp
index 1678191f6282e2283e7a1a76f4eab9e31decf85a..83307773bcc063f82e2a901054da40f9b2f04ae8 100644 (file)
@@ -4,11 +4,11 @@
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "htmlwin.h"
 #pragma implementation "htmlproc.h"
 #endif
 #include "wx/dataobj.h"
 #include "wx/timer.h"
 #include "wx/dcmemory.h"
+#include "wx/settings.h"
 
 #include "wx/arrimpl.cpp"
 #include "wx/listimpl.cpp"
 
 
-
 #if wxUSE_CLIPBOARD
 // ----------------------------------------------------------------------------
 // wxHtmlWinAutoScrollTimer: the timer used to generate a stream of scroll
@@ -110,7 +110,8 @@ void wxHtmlWinAutoScrollTimer::Notify()
         }
     }
 }
-#endif
+
+#endif // wxUSE_CLIPBOARD
 
 
 
@@ -119,7 +120,7 @@ void wxHtmlWinAutoScrollTimer::Notify()
 //-----------------------------------------------------------------------------
 
 // item of history list
-class WXDLLEXPORT wxHtmlHistoryItem
+class WXDLLIMPEXP_HTML wxHtmlHistoryItem
 {
 public:
     wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
@@ -152,12 +153,14 @@ WX_DEFINE_LIST(wxHtmlProcessorList);
 
 void wxHtmlWindow::Init()
 {
-    m_tmpMouseMoved = FALSE;
+    m_tmpMouseMoved = false;
     m_tmpLastLink = NULL;
     m_tmpLastCell = NULL;
     m_tmpCanDrawLocks = 0;
     m_FS = new wxFileSystem();
+#if wxUSE_STATUSBAR
     m_RelatedStatusBar = -1;
+#endif // wxUSE_STATUSBAR
     m_RelatedFrame = NULL;
     m_TitleFormat = wxT("%s");
     m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
@@ -165,7 +168,7 @@ void wxHtmlWindow::Init()
     m_Parser = new wxHtmlWinParser(this);
     m_Parser->SetFS(m_FS);
     m_HistoryPos = -1;
-    m_HistoryOn = TRUE;
+    m_HistoryOn = true;
     m_History = new wxHtmlHistoryArray;
     m_Processors = NULL;
     m_Style = 0;
@@ -175,8 +178,10 @@ void wxHtmlWindow::Init()
 #if wxUSE_CLIPBOARD
     m_timerAutoScroll = NULL;
     m_lastDoubleClick = 0;
-#endif
+#endif // wxUSE_CLIPBOARD
     m_backBuffer = NULL;
+    m_eraseBgInOnPaint = false;
+    m_tmpSelFromCell = NULL;
 }
 
 bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
@@ -184,12 +189,13 @@ bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
                           long style, const wxString& name)
 {
     if (!wxScrolledWindow::Create(parent, id, pos, size,
-                                  style | wxVSCROLL | wxHSCROLL, name))
-        return FALSE;
+                                  style | wxVSCROLL | wxHSCROLL,
+                                  name))
+        return false;
 
     m_Style = style;
     SetPage(wxT("<html><body></body></html>"));
-    return TRUE;
+    return true;
 }
 
 
@@ -197,10 +203,17 @@ wxHtmlWindow::~wxHtmlWindow()
 {
 #if wxUSE_CLIPBOARD
     StopAutoScrolling();
-#endif
+#endif // wxUSE_CLIPBOARD
     HistoryClear();
 
-    if (m_Cell) delete m_Cell;
+    delete m_selection;
+
+    delete m_Cell;
+
+    if ( m_Processors )
+    {
+        WX_CLEAR_LIST(wxHtmlProcessorList, *m_Processors);
+    }
 
     delete m_Parser;
     delete m_FS;
@@ -219,10 +232,12 @@ void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
 
 
 
+#if wxUSE_STATUSBAR
 void wxHtmlWindow::SetRelatedStatusBar(int bar)
 {
     m_RelatedStatusBar = bar;
 }
+#endif // wxUSE_STATUSBAR
 
 
 
@@ -233,9 +248,22 @@ void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int
     m_Parser->SetFonts(normal_face, fixed_face, sizes);
     // fonts changed => contents invalid, so reload the page:
     SetPage(wxT("<html><body></body></html>"));
-    if (!op.IsEmpty()) LoadPage(op);
+    if (!op.empty())
+        LoadPage(op);
 }
 
+void wxHtmlWindow::SetStandardFonts(int size,
+                                    const wxString& normal_face,
+                                    const wxString& fixed_face)
+{
+    wxString op = m_OpenedPage;
+
+    m_Parser->SetStandardFonts(size, normal_face, fixed_face);
+    // fonts changed => contents invalid, so reload the page:
+    SetPage(wxT("<html><body></body></html>"));
+    if (!op.empty())
+        LoadPage(op);
+}
 
 
 bool wxHtmlWindow::SetPage(const wxString& source)
@@ -244,14 +272,17 @@ bool wxHtmlWindow::SetPage(const wxString& source)
 
     wxDELETE(m_selection);
 
+    // we will soon delete all the cells, so clear pointers to them:
+    m_tmpSelFromCell = NULL;
+
     // pass HTML through registered processors:
     if (m_Processors || m_GlobalProcessors)
     {
-        wxHtmlProcessorList::Node *nodeL, *nodeG;
+        wxHtmlProcessorList::compatibility_iterator nodeL, nodeG;
         int prL, prG;
 
-        nodeL = (m_Processors) ? m_Processors->GetFirst() : NULL;
-        nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : NULL;
+        nodeL = (m_Processors) ? m_Processors->GetFirst() : wxHtmlProcessorList::compatibility_iterator();
+        nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : wxHtmlProcessorList::compatibility_iterator();
 
         // VS: there are two lists, global and local, both of them sorted by
         //     priority. Since we have to go through _both_ lists with
@@ -281,6 +312,7 @@ bool wxHtmlWindow::SetPage(const wxString& source)
     wxClientDC *dc = new wxClientDC(this);
     dc->SetMapMode(wxMM_TEXT);
     SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
+    SetBackgroundImage(wxNullBitmap);
     m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
     m_Parser->SetDC(dc);
     if (m_Cell)
@@ -295,7 +327,7 @@ bool wxHtmlWindow::SetPage(const wxString& source)
     CreateLayout();
     if (m_tmpCanDrawLocks == 0)
         Refresh();
-    return TRUE;
+    return true;
 }
 
 bool wxHtmlWindow::AppendToPage(const wxString& source)
@@ -309,7 +341,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
 
     wxFSFile *f;
     bool rt_val;
-    bool needs_refresh = FALSE;
+    bool needs_refresh = false;
 
     m_tmpCanDrawLocks++;
     if (m_HistoryOn && (m_HistoryPos != -1))
@@ -346,13 +378,15 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
 
     else
     {
-        needs_refresh = TRUE;
+        needs_refresh = true;
+#if wxUSE_STATUSBAR
         // load&display it:
         if (m_RelatedStatusBar != -1)
         {
             m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
-            Refresh(FALSE);
+            Refresh(false);
         }
+#endif // wxUSE_STATUSBAR
 
         f = m_Parser->OpenURL(wxHTML_URL_PAGE, location);
 
@@ -368,20 +402,22 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
         {
             wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
             m_tmpCanDrawLocks--;
-            return FALSE;
+            return false;
         }
 
         else
         {
-            wxNode *node;
+            wxList::compatibility_iterator node;
             wxString src = wxEmptyString;
 
+#if wxUSE_STATUSBAR
             if (m_RelatedStatusBar != -1)
             {
                 wxString msg = _("Loading : ") + location;
                 m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
-                Refresh(FALSE);
+                Refresh(false);
             }
+#endif // wxUSE_STATUSBAR
 
             node = m_Filters.GetFirst();
             while (node)
@@ -410,7 +446,10 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
 
             delete f;
 
-            if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
+#if wxUSE_STATUSBAR
+            if (m_RelatedStatusBar != -1)
+                m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
+#endif // wxUSE_STATUSBAR
         }
     }
 
@@ -457,7 +496,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
     if (!c)
     {
         wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
-        return FALSE;
+        return false;
     }
     else
     {
@@ -466,7 +505,7 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
         for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
         Scroll(-1, y / wxHTML_SCROLL_STEP);
         m_OpenedAnchor = anchor;
-        return TRUE;
+        return true;
     }
 }
 
@@ -580,7 +619,7 @@ bool wxHtmlWindow::HistoryBack()
 {
     wxString a, l;
 
-    if (m_HistoryPos < 1) return FALSE;
+    if (m_HistoryPos < 1) return false;
 
     // store scroll position into history item:
     int x, y;
@@ -592,21 +631,21 @@ bool wxHtmlWindow::HistoryBack()
 
     l = (*m_History)[m_HistoryPos].GetPage();
     a = (*m_History)[m_HistoryPos].GetAnchor();
-    m_HistoryOn = FALSE;
+    m_HistoryOn = false;
     m_tmpCanDrawLocks++;
     if (a == wxEmptyString) LoadPage(l);
     else LoadPage(l + wxT("#") + a);
-    m_HistoryOn = TRUE;
+    m_HistoryOn = true;
     m_tmpCanDrawLocks--;
     Scroll(0, (*m_History)[m_HistoryPos].GetPos());
     Refresh();
-    return TRUE;
+    return true;
 }
 
 bool wxHtmlWindow::HistoryCanBack()
 {
-    if (m_HistoryPos < 1) return FALSE;
-    return TRUE ;
+    if (m_HistoryPos < 1) return false;
+    return true ;
 }
 
 
@@ -614,30 +653,30 @@ bool wxHtmlWindow::HistoryForward()
 {
     wxString a, l;
 
-    if (m_HistoryPos == -1) return FALSE;
-    if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
+    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_HistoryOn = false;
     m_tmpCanDrawLocks++;
     if (a == wxEmptyString) LoadPage(l);
     else LoadPage(l + wxT("#") + a);
-    m_HistoryOn = TRUE;
+    m_HistoryOn = true;
     m_tmpCanDrawLocks--;
     Scroll(0, (*m_History)[m_HistoryPos].GetPos());
     Refresh();
-    return TRUE;
+    return true;
 }
 
 bool wxHtmlWindow::HistoryCanForward()
 {
-    if (m_HistoryPos == -1) return FALSE;
-    if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE;
-    return TRUE ;
+    if (m_HistoryPos == -1) return false;
+    if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
+    return true ;
 }
 
 
@@ -652,9 +691,8 @@ void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor)
     if (!m_Processors)
     {
         m_Processors = new wxHtmlProcessorList;
-        m_Processors->DeleteContents(TRUE);
     }
-    wxHtmlProcessorList::Node *node;
+    wxHtmlProcessorList::compatibility_iterator node;
 
     for (node = m_Processors->GetFirst(); node; node = node->GetNext())
     {
@@ -672,9 +710,8 @@ void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor)
     if (!m_GlobalProcessors)
     {
         m_GlobalProcessors = new wxHtmlProcessorList;
-        m_GlobalProcessors->DeleteContents(TRUE);
     }
-    wxHtmlProcessorList::Node *node;
+    wxHtmlProcessorList::compatibility_iterator node;
 
     for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext())
     {
@@ -696,8 +733,9 @@ wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL;
 void wxHtmlWindow::CleanUpStatics()
 {
     wxDELETE(m_DefaultFilter);
-    m_Filters.DeleteContents(TRUE);
-    m_Filters.Clear();
+    WX_CLEAR_LIST(wxList, m_Filters);
+    if (m_GlobalProcessors)
+        WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
     wxDELETE(m_GlobalProcessors);
 }
 
@@ -717,22 +755,22 @@ bool wxHtmlWindow::IsSelectionEnabled() const
     return false;
 #endif
 }
-    
+
 
 #if wxUSE_CLIPBOARD
-wxString wxHtmlWindow::SelectionToText()
+wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel)
 {
-    if ( !m_selection )
+    if ( !sel )
         return wxEmptyString;
 
     wxClientDC dc(this);
 
-    const wxHtmlCell *end = m_selection->GetToCell();
+    const wxHtmlCell *end = sel->GetToCell();
     wxString text;
-    wxHtmlTerminalCellsInterator i(m_selection->GetFromCell(), end);
+    wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end);
     if ( i )
     {
-        text << i->ConvertToText(m_selection);
+        text << i->ConvertToText(sel);
         ++i;
     }
     const wxHtmlCell *prev = *i;
@@ -740,29 +778,60 @@ wxString wxHtmlWindow::SelectionToText()
     {
         if ( prev->GetParent() != i->GetParent() )
             text << _T('\n');
-        text << i->ConvertToText(*i == end ? m_selection : NULL);
+        text << i->ConvertToText(*i == end ? sel : NULL);
         prev = *i;
         ++i;
     }
     return text;
 }
 
-void wxHtmlWindow::CopySelection(ClipboardType t)
+wxString wxHtmlWindow::ToText()
+{
+    if (m_Cell)
+    {
+        wxHtmlSelection sel;
+        sel.Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
+        return DoSelectionToText(&sel);
+    }
+    else
+        return wxEmptyString;
+}
+
+#endif // wxUSE_CLIPBOARD
+
+bool wxHtmlWindow::CopySelection(ClipboardType t)
 {
+#if wxUSE_CLIPBOARD
     if ( m_selection )
     {
+#if defined(__UNIX__) && !defined(__WXMAC__)
         wxTheClipboard->UsePrimarySelection(t == Primary);
-        wxString txt(SelectionToText());
+#else // !__UNIX__
+        // Primary selection exists only under X11, so don't do anything under
+        // the other platforms when we try to access it
+        //
+        // TODO: this should be abstracted at wxClipboard level!
+        if ( t == Primary )
+            return false;
+#endif // __UNIX__/!__UNIX__
+
         if ( wxTheClipboard->Open() )
         {
+            const wxString txt(SelectionToText());
             wxTheClipboard->SetData(new wxTextDataObject(txt));
             wxTheClipboard->Close();
             wxLogTrace(_T("wxhtmlselection"),
                        _("Copied to clipboard:\"%s\""), txt.c_str());
+
+            return true;
         }
     }
+#else
+    wxUnusedVar(t);
+#endif // wxUSE_CLIPBOARD
+
+    return false;
 }
-#endif
 
 
 void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
@@ -789,13 +858,45 @@ void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell),
 
 void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)
 {
+    if ( !m_bmpBg.Ok() )
+    {
+        // don't even skip the event, if we don't have a bg bitmap we're going
+        // to overwrite background in OnPaint() below anyhow, so letting the
+        // default handling take place would only result in flicker, just set a
+        // flag to erase the background below
+        m_eraseBgInOnPaint = true;
+        return;
+    }
+
+    wxDC& dc = *event.GetDC();
+
+    // if the image is not fully opaque, we have to erase the background before
+    // drawing it, however avoid doing it for opaque images as this would just
+    // result in extra flicker without any other effect as background is
+    // completely covered anyhow
+    if ( m_bmpBg.GetMask() )
+    {
+        dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+        dc.Clear();
+    }
+
+    const wxSize sizeWin(GetClientSize());
+    const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight());
+    for ( wxCoord x = 0; x < sizeWin.x; x += sizeBmp.x )
+    {
+        for ( wxCoord y = 0; y < sizeWin.y; y += sizeBmp.y )
+        {
+            dc.DrawBitmap(m_bmpBg, x, y, true /* use mask */);
+        }
+    }
 }
 
 void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dc(this);
 
-    if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return;
+    if (m_tmpCanDrawLocks > 0 || m_Cell == NULL)
+        return;
 
     int x, y;
     GetViewStart(&x, &y);
@@ -805,13 +906,30 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
     wxMemoryDC dcm;
     if ( !m_backBuffer )
         m_backBuffer = new wxBitmap(sz.x, sz.y);
-    dcm.SelectObject(*m_backBuffer);    
-    dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
-    dcm.Clear();
+    dcm.SelectObject(*m_backBuffer);
+
+    if ( m_eraseBgInOnPaint )
+    {
+        dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+        dcm.Clear();
+
+        m_eraseBgInOnPaint = false;
+    }
+    else // someone has already erased the background, keep it
+    {
+        // preserve the existing background, otherwise we'd erase anything the
+        // user code had drawn in its EVT_ERASE_BACKGROUND handler when we do
+        // the Blit back below
+        dcm.Blit(0, rect.GetTop(),
+                 sz.x, rect.GetBottom() - rect.GetTop() + 1,
+                 &dc,
+                 0, rect.GetTop());
+    }
+
     PrepareDC(dcm);
     dcm.SetMapMode(wxMM_TEXT);
     dcm.SetBackgroundMode(wxTRANSPARENT);
-    
+
     wxHtmlRenderingInfo rinfo;
     wxDefaultHtmlRenderingStyle rstyle;
     rinfo.SetSelection(m_selection);
@@ -821,6 +939,35 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
                  y * wxHTML_SCROLL_STEP + rect.GetBottom(),
                  rinfo);
 
+//#define DEBUG_HTML_SELECTION
+#ifdef DEBUG_HTML_SELECTION
+    {
+    int xc, yc, x, y;
+    wxGetMousePosition(&xc, &yc);
+    ScreenToClient(&xc, &yc);
+    CalcUnscrolledPosition(xc, yc, &x, &y);
+    wxHtmlCell *at = m_Cell->FindCellByPos(x, y);
+    wxHtmlCell *before =
+        m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_BEFORE);
+    wxHtmlCell *after =
+        m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_AFTER);
+
+    dcm.SetBrush(*wxTRANSPARENT_BRUSH);
+    dcm.SetPen(*wxBLACK_PEN);
+    if (at)
+        dcm.DrawRectangle(at->GetAbsPos(),
+                          wxSize(at->GetWidth(),at->GetHeight()));
+    dcm.SetPen(*wxGREEN_PEN);
+    if (before)
+        dcm.DrawRectangle(before->GetAbsPos().x+1, before->GetAbsPos().y+1,
+                          before->GetWidth()-2,before->GetHeight()-2);
+    dcm.SetPen(*wxRED_PEN);
+    if (after)
+        dcm.DrawRectangle(after->GetAbsPos().x+2, after->GetAbsPos().y+2,
+                          after->GetWidth()-4,after->GetHeight()-4);
+    }
+#endif
+
     dcm.SetDeviceOrigin(0,0);
     dc.Blit(0, rect.GetTop(),
             sz.x, rect.GetBottom() - rect.GetTop() + 1,
@@ -845,12 +992,12 @@ void wxHtmlWindow::OnSize(wxSizeEvent& event)
                          m_selection->GetToCell());
         m_selection->ClearPrivPos();
     }
-    
+
     Refresh();
 }
 
 
-void wxHtmlWindow::OnMouseMove(wxMouseEvent& event)
+void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event))
 {
     m_tmpMouseMoved = true;
 }
@@ -864,11 +1011,13 @@ void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
         if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN )
         {
             SelectLine(CalcUnscrolledPosition(event.GetPosition()));
+
+            (void) CopySelection();
         }
         else
-        {            
+        {
             m_makingSelection = true;
-                
+
             if ( m_selection )
             {
                 wxDELETE(m_selection);
@@ -880,7 +1029,9 @@ void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
             CaptureMouse();
         }
     }
-#endif
+#else
+    wxUnusedVar(event);
+#endif // wxUSE_CLIPBOARD
 }
 
 void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
@@ -892,27 +1043,24 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
         m_makingSelection = false;
 
         // did the user move the mouse far enough from starting point?
-        if ( m_selection )
+        if ( CopySelection(Primary) )
         {
-#ifdef __UNIX__
-            CopySelection(Primary);
-#endif
             // we don't want mouse up event that ended selecting to be
             // handled as mouse click and e.g. follow hyperlink:
             return;
         }
     }
-#endif
-    
+#endif // wxUSE_CLIPBOARD
+
     SetFocus();
     if ( m_Cell )
     {
         wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
         wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
 
-        // VZ: is it possible that we don't find anything at all?
-        // VS: yes. FindCellByPos returns terminal cell and
-        //     containers may have empty borders
+        // check is needed because FindCellByPos returns terminal cell and
+        // containers may have empty borders -- in this case NULL will be
+        // returned
         if ( cell )
             OnCellClicked(cell, pos.x, pos.y, event);
     }
@@ -920,10 +1068,15 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
 
 
 
-void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
+void wxHtmlWindow::OnInternalIdle()
 {
+    wxWindow::OnInternalIdle();
+
     if (m_tmpMouseMoved && (m_Cell != NULL))
     {
+#ifdef DEBUG_HTML_SELECTION
+        Refresh();
+#endif
         int xc, yc, x, y;
         wxGetMousePosition(&xc, &yc);
         ScreenToClient(&xc, &yc);
@@ -934,10 +1087,36 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
         // handle selection update:
         if ( m_makingSelection )
         {
-            bool goingDown = m_tmpSelFromPos.y < y ||
-                             m_tmpSelFromPos.y == y && m_tmpSelFromPos.x < x;
-
             if ( !m_tmpSelFromCell )
+                m_tmpSelFromCell = m_Cell->FindCellByPos(
+                                         m_tmpSelFromPos.x,m_tmpSelFromPos.y);
+
+            // NB: a trick - we adjust selFromPos to be upper left or bottom
+            //     right corner of the first cell of the selection depending
+            //     on whether the mouse is moving to the right or to the left.
+            //     This gives us more "natural" behaviour when selecting
+            //     a line (specifically, first cell of the next line is not
+            //     included if you drag selection from left to right over
+            //     entire line):
+            wxPoint dirFromPos;
+            if ( !m_tmpSelFromCell )
+            {
+                dirFromPos = m_tmpSelFromPos;
+            }
+            else
+            {
+                dirFromPos = m_tmpSelFromCell->GetAbsPos();
+                if ( x < m_tmpSelFromPos.x )
+                {
+                    dirFromPos.x += m_tmpSelFromCell->GetWidth();
+                    dirFromPos.y += m_tmpSelFromCell->GetHeight();
+                }
+            }
+            bool goingDown = dirFromPos.y < y ||
+                             (dirFromPos.y == y && dirFromPos.x < x);
+
+            // determine selection span:
+            if ( /*still*/ !m_tmpSelFromCell )
             {
                 if (goingDown)
                 {
@@ -963,14 +1142,14 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
                 if (goingDown)
                 {
                     selcell = m_Cell->FindCellByPos(x, y,
-                                                 wxHTML_FIND_NEAREST_AFTER);
+                                                 wxHTML_FIND_NEAREST_BEFORE);
                     if (!selcell)
                         selcell = m_Cell->GetLastTerminal();
                 }
                 else
                 {
                     selcell = m_Cell->FindCellByPos(x, y,
-                                                 wxHTML_FIND_NEAREST_BEFORE);
+                                                 wxHTML_FIND_NEAREST_AFTER);
                     if (!selcell)
                         selcell = m_Cell->GetFirstTerminal();
                 }
@@ -978,9 +1157,9 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
 
             // NB: it may *rarely* happen that the code above didn't find one
             //     of the cells, e.g. if wxHtmlWindow doesn't contain any
-            //     visible cells. 
+            //     visible cells.
             if ( selcell && m_tmpSelFromCell )
-            {                
+            {
                 if ( !m_selection )
                 {
                     // start selecting only if mouse movement was big enough
@@ -1008,7 +1187,7 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
                 }
             }
         }
-        
+
         // handle cursor and status bar text changes:
         if ( cell != m_tmpLastCell )
         {
@@ -1022,6 +1201,7 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
 
             if (lnk != m_tmpLastLink)
             {
+#if wxUSE_STATUSBAR
                 if (lnk == NULL)
                 {
                     if (m_RelatedStatusBar != -1)
@@ -1034,6 +1214,7 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
                         m_RelatedFrame->SetStatusText(lnk->GetHref(),
                                                       m_RelatedStatusBar);
                 }
+#endif // wxUSE_STATUSBAR
                 m_tmpLastLink = lnk;
             }
 
@@ -1045,7 +1226,7 @@ void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
                 OnCellMouseHover(cell, x, y);
         }
 
-        m_tmpMouseMoved = FALSE;
+        m_tmpMouseMoved = false;
     }
 }
 
@@ -1134,23 +1315,24 @@ void wxHtmlWindow::OnKeyUp(wxKeyEvent& event)
     if ( IsSelectionEnabled() &&
          event.GetKeyCode() == 'C' && event.ControlDown() )
     {
-        if ( m_selection )
-            CopySelection();
+        (void) CopySelection();
     }
 }
 
-void wxHtmlWindow::OnCopy(wxCommandEvent& event)
+void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
 {
-    if ( m_selection )
-        CopySelection();
+    (void) CopySelection();
 }
-    
+
 void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
 {
     // select word under cursor:
     if ( IsSelectionEnabled() )
     {
         SelectWord(CalcUnscrolledPosition(event.GetPosition()));
+
+        (void) CopySelection(Primary);
+
         m_lastDoubleClick = wxGetLocalTimeMillis();
     }
     else
@@ -1159,76 +1341,113 @@ void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
 
 void wxHtmlWindow::SelectWord(const wxPoint& pos)
 {
-    wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
-    if ( cell )
+    if ( m_Cell )
     {
-        delete m_selection;
-        m_selection = new wxHtmlSelection();
-        m_selection->Set(cell, cell);
-        RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()),
-                           wxSize(cell->GetWidth(), cell->GetHeight())));
+        wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
+        if ( cell )
+        {
+            delete m_selection;
+            m_selection = new wxHtmlSelection();
+            m_selection->Set(cell, cell);
+            RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()),
+                               wxSize(cell->GetWidth(), cell->GetHeight())));
+        }
     }
 }
 
 void wxHtmlWindow::SelectLine(const wxPoint& pos)
 {
-    wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
-    if ( cell )
+    if ( m_Cell )
     {
-        // We use following heuristic to find a "line": let the line be all
-        // cells in same container as the cell under mouse cursor that are
-        // neither completely above nor completely bellow the clicked cell
-        // (i.e. are likely to be words positioned on same line of text).
-                
-        int y1 = cell->GetAbsPos().y;
-        int y2 = y1 + cell->GetHeight();
-        int y;
-        const wxHtmlCell *c;
-        const wxHtmlCell *before = NULL;
-        const wxHtmlCell *after = NULL;
-
-        // find last cell of line:
-        for ( c = cell->GetNext(); c; c = c->GetNext())
+        wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
+        if ( cell )
         {
-            y = c->GetAbsPos().y;
-            if ( y + c->GetHeight() > y1 && y < y2 )
-                after = c;
-            else
-                break;
-        }
-        if ( !after )
-            after = cell;
+            // We use following heuristic to find a "line": let the line be all
+            // cells in same container as the cell under mouse cursor that are
+            // neither completely above nor completely bellow the clicked cell
+            // (i.e. are likely to be words positioned on same line of text).
+
+            int y1 = cell->GetAbsPos().y;
+            int y2 = y1 + cell->GetHeight();
+            int y;
+            const wxHtmlCell *c;
+            const wxHtmlCell *before = NULL;
+            const wxHtmlCell *after = NULL;
+
+            // find last cell of line:
+            for ( c = cell->GetNext(); c; c = c->GetNext())
+            {
+                y = c->GetAbsPos().y;
+                if ( y + c->GetHeight() > y1 && y < y2 )
+                    after = c;
+                else
+                    break;
+            }
+            if ( !after )
+                after = cell;
 
-        // find first cell of line:
-        for ( c = cell->GetParent()->GetFirstChild();
-                c && c != cell; c = c->GetNext())
-        {
-            y = c->GetAbsPos().y;
-            if ( y + c->GetHeight() > y1 && y < y2 )
+            // find first cell of line:
+            for ( c = cell->GetParent()->GetFirstChild();
+                    c && c != cell; c = c->GetNext())
             {
-                if ( ! before )
-                    before = c;
+                y = c->GetAbsPos().y;
+                if ( y + c->GetHeight() > y1 && y < y2 )
+                {
+                    if ( ! before )
+                        before = c;
+                }
+                else
+                    before = NULL;
             }
-            else
-                before = NULL;
+            if ( !before )
+                before = cell;
+
+            delete m_selection;
+            m_selection = new wxHtmlSelection();
+            m_selection->Set(before, after);
+
+            Refresh();
         }
-        if ( !before )
-            before = cell;
-       
+    }
+}
+
+void wxHtmlWindow::SelectAll()
+{
+    if ( m_Cell )
+    {
         delete m_selection;
         m_selection = new wxHtmlSelection();
-        m_selection->Set(before, after);
-        
+        m_selection->Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
         Refresh();
     }
 }
-#endif
+
+#endif // wxUSE_CLIPBOARD
 
 
 
 IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject)
 
+#if wxUSE_EXTENDED_RTTI
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxHtmlWindow, wxScrolledWindow,"wx/html/htmlwin.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxHtmlWindow)
+/*
+    TODO PROPERTIES
+        style , wxHW_SCROLLBAR_AUTO
+        borders , (dimension)
+        url , string
+        htmlcode , string
+*/
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxHtmlWindow)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
+#else
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
+#endif
 
 BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_SIZE(wxHtmlWindow::OnSize)
@@ -1236,7 +1455,6 @@ BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_LEFT_UP(wxHtmlWindow::OnMouseUp)
     EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
     EVT_MOTION(wxHtmlWindow::OnMouseMove)
-    EVT_IDLE(wxHtmlWindow::OnIdle)
     EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground)
     EVT_PAINT(wxHtmlWindow::OnPaint)
 #if wxUSE_CLIPBOARD
@@ -1245,7 +1463,7 @@ BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave)
     EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
     EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
-#endif
+#endif // wxUSE_CLIPBOARD
 END_EVENT_TABLE()
 
 
@@ -1261,7 +1479,7 @@ class wxHtmlWinModule: public wxModule
 DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
 public:
     wxHtmlWinModule() : wxModule() {}
-    bool OnInit() { return TRUE; }
+    bool OnInit() { return true; }
     void OnExit() { wxHtmlWindow::CleanUpStatics(); }
 };
 
@@ -1273,4 +1491,5 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
 #include "wx/html/forcelnk.h"
 FORCE_WXHTML_MODULES()
 
-#endif
+#endif // wxUSE_HTML
+