The alignment controls are now left-aligned if the floating controls are not shown.

[wxWidgets.git] / src / html / htmlwin.cpp

diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp
index f62f6a9353605f5871f5ec881de189c38994db82..4410fa73c3d3cd62a11093bafb5f507c2d1dbddb 100644 (file)
--- a/src/html/htmlwin.cpp
+++ b/src/html/htmlwin.cpp
@@ -2,7 +2,6 @@
 // Name:        src/html/htmlwin.cpp
 // Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
 // Author:      Vaclav Slavik
 // Name:        src/html/htmlwin.cpp
 // Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
 // Author:      Vaclav Slavik

-// RCS-ID:      $Id$

 // Copyright:   (c) 1999 Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) 1999 Vaclav Slavik
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -31,6 +30,7 @@
 #include "wx/html/htmlwin.h"
 #include "wx/html/htmlproc.h"
 #include "wx/clipbrd.h"
 #include "wx/html/htmlwin.h"
 #include "wx/html/htmlproc.h"
 #include "wx/clipbrd.h"

+#include "wx/recguard.h"

 
 #include "wx/arrimpl.cpp"
 #include "wx/listimpl.cpp"
 
 #include "wx/arrimpl.cpp"
 #include "wx/listimpl.cpp"


@@ -42,9 +42,9 @@
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlLinkEvent, wxCommandEvent)
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellEvent, wxCommandEvent)
 
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlLinkEvent, wxCommandEvent)
 IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellEvent, wxCommandEvent)
 

-wxDEFINE_EVENT( wxEVT_COMMAND_HTML_CELL_CLICKED, wxHtmlCellEvent );
-wxDEFINE_EVENT( wxEVT_COMMAND_HTML_CELL_HOVER, wxHtmlCellEvent );
-wxDEFINE_EVENT( wxEVT_COMMAND_HTML_LINK_CLICKED, wxHtmlLinkEvent );
+wxDEFINE_EVENT( wxEVT_HTML_CELL_CLICKED, wxHtmlCellEvent );
+wxDEFINE_EVENT( wxEVT_HTML_CELL_HOVER, wxHtmlCellEvent );
+wxDEFINE_EVENT( wxEVT_HTML_LINK_CLICKED, wxHtmlLinkEvent );

 
 
 #if wxUSE_CLIPBOARD
 
 
 #if wxUSE_CLIPBOARD


@@ -205,7 +205,7 @@ void wxHtmlWindowMouseHelper::HandleIdle(wxHtmlCell *rootCell,
 
         wxCursor cur;
         if (cell)
 
         wxCursor cur;
         if (cell)

-            cur = cell->GetMouseCursor(m_interface);
+            cur = cell->GetMouseCursorAt(m_interface, pos);

         else
             cur = m_interface->GetHTMLCursor(
                         wxHtmlWindowInterface::HTMLCursor_Default);
         else
             cur = m_interface->GetHTMLCursor(
                         wxHtmlWindowInterface::HTMLCursor_Default);


@@ -228,6 +228,11 @@ void wxHtmlWindowMouseHelper::HandleIdle(wxHtmlCell *rootCell,
     {
         if ( cell )
         {
     {
         if ( cell )
         {

+            // A single cell can have different cursors for different positions,
+            // so update cursor for this case as well.
+            wxCursor cur = cell->GetMouseCursorAt(m_interface, pos);
+            m_interface->GetHTMLWindow()->SetCursor(cur);
+

             OnCellMouseHover(cell, pos.x, pos.y);
         }
     }
             OnCellMouseHover(cell, pos.x, pos.y);
         }
     }


@@ -239,7 +244,7 @@ bool wxHtmlWindowMouseHelper::OnCellClicked(wxHtmlCell *cell,
                                             wxCoord x, wxCoord y,
                                             const wxMouseEvent& event)
 {
                                             wxCoord x, wxCoord y,
                                             const wxMouseEvent& event)
 {

-    wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_CLICKED,
+    wxHtmlCellEvent ev(wxEVT_HTML_CELL_CLICKED,

                        m_interface->GetHTMLWindow()->GetId(),
                        cell, wxPoint(x,y), event);
 
                        m_interface->GetHTMLWindow()->GetId(),
                        cell, wxPoint(x,y), event);
 


@@ -260,7 +265,7 @@ void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * cell,
                                                wxCoord x,
                                                wxCoord y)
 {
                                                wxCoord x,
                                                wxCoord y)
 {

-    wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_HOVER,
+    wxHtmlCellEvent ev(wxEVT_HTML_CELL_HOVER,

                        m_interface->GetHTMLWindow()->GetId(),
                        cell, wxPoint(x,y), wxMouseEvent());
     m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev);
                        m_interface->GetHTMLWindow()->GetId(),
                        cell, wxPoint(x,y), wxMouseEvent());
     m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev);


@@ -338,8 +343,9 @@ bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
     // at all so disable it to avoid executing any user-defined handlers twice
     // (and to avoid processing unnecessary event if no handlers are defined).
     SetBackgroundStyle(wxBG_STYLE_PAINT);
     // at all so disable it to avoid executing any user-defined handlers twice
     // (and to avoid processing unnecessary event if no handlers are defined).
     SetBackgroundStyle(wxBG_STYLE_PAINT);

-

     SetPage(wxT("<html><body></body></html>"));
     SetPage(wxT("<html><body></body></html>"));

+
+    SetInitialSize(size);

     return true;
 }
 
     return true;
 }
 


@@ -467,11 +473,13 @@ bool wxHtmlWindow::DoSetPage(const wxString& source)
     SetBackgroundImage(wxNullBitmap);
 
     m_Parser->SetDC(dc);
     SetBackgroundImage(wxNullBitmap);
 
     m_Parser->SetDC(dc);

-    if (m_Cell)
-    {
-        delete m_Cell;
-        m_Cell = NULL;
-    }
+
+    // notice that it's important to set m_Cell to NULL here before calling
+    // Parse() below, even if it will be overwritten by its return value as
+    // without this we may crash if it's used from inside Parse(), so use
+    // wxDELETE() and not just delete here
+    wxDELETE(m_Cell);
+

     m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc);
     delete dc;
     m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
     m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc);
     delete dc;
     m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);


@@ -653,6 +661,16 @@ bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
     }
     else
     {
     }
     else
     {

+        // Go to next visible cell in current container, if it exists. This
+        // yields a bit better (even though still imperfect) results in that
+        // there's better chance of using a suitable cell for upper Y
+        // coordinate value. See bug #11406 for additional discussion.
+        const wxHtmlCell *c_save = c;
+        while ( c && c->IsFormattingCell() )
+            c = c->GetNext();
+        if ( !c )
+            c = c_save;
+

         int y;
 
         for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
         int y;
 
         for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();


@@ -675,44 +693,116 @@ void wxHtmlWindow::OnSetTitle(const wxString& title)
 }
 
 
 }
 
 

-
+// return scroll steps such that a) scrollbars aren't shown needlessly
+// and b) entire content is viewable (i.e. round up)
+static int ScrollSteps(int size, int available)
+{
+    if ( size <= available )
+        return 0;
+    else
+        return (size + wxHTML_SCROLL_STEP - 1) / wxHTML_SCROLL_STEP;
+}

 
 
 void wxHtmlWindow::CreateLayout()
 {
 
 
 void wxHtmlWindow::CreateLayout()
 {

-    int ClientWidth, ClientHeight;
+    // SetScrollbars() results in size change events -- and thus a nested
+    // CreateLayout() call -- on some platforms. Ignore nested calls, toplevel
+    // CreateLayout() will do the right thing eventually.
+    static wxRecursionGuardFlag s_flagReentrancy;
+    wxRecursionGuard guard(s_flagReentrancy);
+    if ( guard.IsInside() )
+        return;
+
+    if (!m_Cell)
+        return;
+
+    int clientWidth, clientHeight;
+    GetClientSize(&clientWidth, &clientHeight);
+
+    const int vscrollbar = wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+    const int hscrollbar = wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);

 
 

-    if (!m_Cell) return;
+    if ( HasScrollbar(wxHORIZONTAL) )
+        clientHeight += hscrollbar;
+
+    if ( HasScrollbar(wxVERTICAL) )
+        clientWidth += vscrollbar;

 
     if ( HasFlag(wxHW_SCROLLBAR_NEVER) )
     {
         SetScrollbars(1, 1, 0, 0); // always off
 
     if ( HasFlag(wxHW_SCROLLBAR_NEVER) )
     {
         SetScrollbars(1, 1, 0, 0); // always off

-        GetClientSize(&ClientWidth, &ClientHeight);
-        m_Cell->Layout(ClientWidth);
+        m_Cell->Layout(clientWidth);

     }
     else // !wxHW_SCROLLBAR_NEVER
     {
     }
     else // !wxHW_SCROLLBAR_NEVER
     {

-        GetClientSize(&ClientWidth, &ClientHeight);
-        m_Cell->Layout(ClientWidth);
-        if (ClientHeight < m_Cell->GetHeight() + GetCharHeight())
+        // Lay the content out with the assumption that it's too large to fit
+        // in the window (this is likely to be the case):
+        m_Cell->Layout(clientWidth - vscrollbar);
+
+        // If the layout is wider than the window, horizontal scrollbar will
+        // certainly be shown. Account for it here for subsequent computations.
+        if ( m_Cell->GetWidth() > clientWidth )
+            clientHeight -= hscrollbar;
+
+        if ( m_Cell->GetHeight() <= clientHeight )

         {
         {

-            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*/);
+            // we fit into the window, hide vertical scrollbar:
+            SetScrollbars
+            (
+                wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
+                ScrollSteps(m_Cell->GetWidth(), clientWidth - vscrollbar),
+                0
+            );
+            // ...and redo the layout to use the extra space
+            m_Cell->Layout(clientWidth);

         }
         }

-        else /* we fit into window, no need for scrollbars */
+        else

         {
         {

-            SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
-            GetClientSize(&ClientWidth, &ClientHeight);
-            m_Cell->Layout(ClientWidth); // ...and relayout
+            // If the content doesn't fit into the window by only a small
+            // margin, chances are that it may fit fully with scrollbar turned
+            // off. It's something worth trying but on the other hand, we don't
+            // want to waste too much time redoing the layout (twice!) for
+            // long -- and thus expensive to layout -- pages. The cut-off value
+            // is an arbitrary heuristics.
+            static const int SMALL_OVERLAP = 60;
+            if ( m_Cell->GetHeight() <= clientHeight + SMALL_OVERLAP )
+            {
+                m_Cell->Layout(clientWidth);
+
+                if ( m_Cell->GetHeight() <= clientHeight )
+                {
+                    // Great, we fit in. Hide the scrollbar.
+                    SetScrollbars
+                    (
+                        wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
+                        ScrollSteps(m_Cell->GetWidth(), clientWidth),
+                        0
+                    );
+                    return;
+                }
+                else
+                {
+                    // That didn't work out, go back to previous layout. Note
+                    // that redoing the layout once again here isn't as bad as
+                    // it looks -- thanks to the small cut-off value, it's a
+                    // reasonably small page.
+                    m_Cell->Layout(clientWidth - vscrollbar);
+                }
+            }
+            // else: the page is very long, it will certainly need scrollbar
+
+            SetScrollbars
+            (
+                wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
+                ScrollSteps(m_Cell->GetWidth(), clientWidth - vscrollbar),
+                ScrollSteps(m_Cell->GetHeight(), clientHeight)
+            );

         }
     }
 }
 
         }
     }
 }
 

-
-
+#if wxUSE_CONFIG

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


@@ -765,8 +855,7 @@ void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
     if (path != wxEmptyString)
         cfg->SetPath(oldpath);
 }
     if (path != wxEmptyString)
         cfg->SetPath(oldpath);
 }

-
-
+#endif // wxUSE_CONFIG

 
 bool wxHtmlWindow::HistoryBack()
 {
 
 bool wxHtmlWindow::HistoryBack()
 {


@@ -1005,7 +1094,7 @@ void wxHtmlWindow::DoEraseBackground(wxDC& dc)
     if ( m_bmpBg.IsOk() )
     {
         // draw the background bitmap tiling it over the entire window area
     if ( m_bmpBg.IsOk() )
     {
         // draw the background bitmap tiling it over the entire window area

-        const wxSize sz = GetClientSize();
+        const wxSize sz = GetVirtualSize();

         const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight());
         for ( wxCoord x = 0; x < sz.x; x += sizeBmp.x )
         {
         const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight());
         for ( wxCoord x = 0; x < sz.x; x += sizeBmp.x )
         {


@@ -1017,6 +1106,19 @@ void wxHtmlWindow::DoEraseBackground(wxDC& dc)
     }
 }
 
     }
 }
 

+void wxHtmlWindow::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
+{
+    // We never get real erase background events as we changed our background
+    // style to wxBG_STYLE_PAINT in our ctor so the only time when we get here
+    // is when an artificial wxEraseEvent is generated by our own OnPaint()
+    // below. This handler only exists to stop the event from propagating
+    // downwards to wxWindow which may erase the background itself when it gets
+    // it in some ports (currently this happens in wxUniv), so we simply stop
+    // processing here and set a special flag allowing OnPaint() to see that
+    // the event hadn't been really processed.
+    m_isBgReallyErased = false;
+}
+

 void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dcPaint(this);
 void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dcPaint(this);


@@ -1049,11 +1151,17 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     PrepareDC(*dc);
 
 
     PrepareDC(*dc);
 

-    // erase the background: for compatibility, we must generate the event to
-    // allow the user-defined handlers to do it
+    // Erase the background: for compatibility, we must generate the event to
+    // allow the user-defined handlers to do it, hence this hack with sending
+    // an artificial wxEraseEvent to trigger the execution of such handlers.

     wxEraseEvent eraseEvent(GetId(), dc);
     eraseEvent.SetEventObject(this);
     wxEraseEvent eraseEvent(GetId(), dc);
     eraseEvent.SetEventObject(this);

-    if ( !ProcessWindowEvent(eraseEvent) )
+
+    // Hack inside a hack: the background wasn't really erased if our own
+    // OnEraseBackground() was executed, so we need to check for the flag set
+    // by it whenever it's called.
+    m_isBgReallyErased = true; // Initially assume it wasn't.
+    if ( !ProcessWindowEvent(eraseEvent) || !m_isBgReallyErased )

     {
         // erase background ourselves
         DoEraseBackground(*dc);
     {
         // erase background ourselves
         DoEraseBackground(*dc);


@@ -1063,7 +1171,8 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     // draw the HTML window contents
     dc->SetMapMode(wxMM_TEXT);
 
     // draw the HTML window contents
     dc->SetMapMode(wxMM_TEXT);

-    dc->SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+    dc->SetBackgroundMode(wxTRANSPARENT);
+    dc->SetLayoutDirection(GetLayoutDirection());

 
     wxHtmlRenderingInfo rinfo;
     wxDefaultHtmlRenderingStyle rstyle;
 
     wxHtmlRenderingInfo rinfo;
     wxDefaultHtmlRenderingStyle rstyle;


@@ -1128,7 +1237,7 @@ void wxHtmlWindow::OnSize(wxSizeEvent& event)
     {
         m_selection->Set(m_selection->GetFromCell(),
                          m_selection->GetToCell());
     {
         m_selection->Set(m_selection->GetFromCell(),
                          m_selection->GetToCell());

-        m_selection->ClearPrivPos();
+        m_selection->ClearFromToCharacterPos();

     }
 
     Refresh();
     }
 
     Refresh();


@@ -1196,7 +1305,8 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
 #endif // wxUSE_CLIPBOARD
 
     wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
 #endif // wxUSE_CLIPBOARD
 
     wxPoint pos = CalcUnscrolledPosition(event.GetPosition());

-    wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event);
+    if ( !wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event) )
+        event.Skip();

 }
 
 #if wxUSE_CLIPBOARD
 }
 
 #if wxUSE_CLIPBOARD


@@ -1329,7 +1439,7 @@ void wxHtmlWindow::OnInternalIdle()
                         m_selection->Set(wxPoint(x,y), selcell,
                                          m_tmpSelFromPos, m_tmpSelFromCell);
                     }
                         m_selection->Set(wxPoint(x,y), selcell,
                                          m_tmpSelFromPos, m_tmpSelFromCell);
                     }

-                    m_selection->ClearPrivPos();
+                    m_selection->ClearFromToCharacterPos();

                     Refresh();
                 }
             }
                     Refresh();
                 }
             }


@@ -1432,12 +1542,16 @@ void wxHtmlWindow::OnKeyUp(wxKeyEvent& event)
     if ( IsSelectionEnabled() &&
             (event.GetKeyCode() == 'C' && event.CmdDown()) )
     {
     if ( IsSelectionEnabled() &&
             (event.GetKeyCode() == 'C' && event.CmdDown()) )
     {

-        wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_COPY, GetId());
+        wxClipboardTextEvent evt(wxEVT_TEXT_COPY, GetId());

 
         evt.SetEventObject(this);
 
         GetEventHandler()->ProcessEvent(evt);
     }
 
         evt.SetEventObject(this);
 
         GetEventHandler()->ProcessEvent(evt);
     }

+    else
+    {
+        event.Skip();
+    }

 }
 
 void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
 }
 
 void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))


@@ -1490,7 +1604,7 @@ void wxHtmlWindow::SelectLine(const wxPoint& pos)
         {
             // 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
         {
             // 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
+            // neither completely above nor completely below the clicked cell

             // (i.e. are likely to be words positioned on same line of text).
 
             int y1 = cell->GetAbsPos().y;
             // (i.e. are likely to be words positioned on same line of text).
 
             int y1 = cell->GetAbsPos().y;


@@ -1554,9 +1668,6 @@ void wxHtmlWindow::SelectAll()
 
 IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject)
 
 
 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
 wxBEGIN_PROPERTIES_TABLE(wxHtmlWindow)
 /*
     TODO PROPERTIES


@@ -1571,9 +1682,8 @@ wxBEGIN_HANDLERS_TABLE(wxHtmlWindow)
 wxEND_HANDLERS_TABLE()
 
 wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
 wxEND_HANDLERS_TABLE()
 
 wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )

-#else
-IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
-#endif
+
+wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxHtmlWindow, wxScrolledWindow,"wx/html/htmlwin.h")

 
 BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_SIZE(wxHtmlWindow::OnSize)
 
 BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_SIZE(wxHtmlWindow::OnSize)


@@ -1582,6 +1692,7 @@ BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
     EVT_MOTION(wxHtmlWindow::OnMouseMove)
     EVT_PAINT(wxHtmlWindow::OnPaint)
     EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
     EVT_MOTION(wxHtmlWindow::OnMouseMove)
     EVT_PAINT(wxHtmlWindow::OnPaint)

+    EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground)

 #if wxUSE_CLIPBOARD
     EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick)
     EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter)
 #if wxUSE_CLIPBOARD
     EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick)
     EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter)