]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/richedit/wxlwindow.cpp
wxMac uses wxStandardPathsCF to mean wxStandardPaths in its wxBase
[wxWidgets.git] / samples / richedit / wxlwindow.cpp
index 5df8db37c5f5e1e9af0a2032300fbf910b339d08..a109f532f19214edea6163d453cfdf6c9ce6cf75 100644 (file)
@@ -1,14 +1,14 @@
 /*-*- c++ -*-********************************************************
  * wxLwindow.h : a scrolled Window for displaying/entering rich text*
  *                                                                  *
- * (C) 1998, 1999 by Karsten Ballüder (Ballueder@usa.net)           *
+ * (C) 1998-2000 by Karsten Ballüder (ballueder@gmx.net)            *
  *                                                                  *
  * $Id$
  *******************************************************************/
 
-// ===========================================================================
+// ============================================================================
 // declarations
-// ===========================================================================
+// ============================================================================
 
 // ----------------------------------------------------------------------------
 // headers
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#  pragma hdrstop
+#   pragma hdrstop
 #endif
 
 #include "Mpch.h"
 
 #ifdef M_BASEDIR
 #   ifndef USE_PCH
-#     include "Mcommon.h"
-#     include "gui/wxMenuDefs.h"
-#     include "gui/wxMApp.h"
+#       include "Mcommon.h"
+#       include "gui/wxMenuDefs.h"
+#       include "gui/wxMApp.h"
 #   endif // USE_PCH
 #   include "gui/wxlwindow.h"
 #   include "gui/wxlparser.h"
+
+#   include "MDialogs.h"
+#   include "strutil.h"
 #else
 #   ifdef   __WXMSW__
-#       include <wx/msw/private.h>
+#       include "wx/msw/private.h"
 #   endif
 
 #   include "wxlwindow.h"
 #   include "wxlparser.h"
 #endif
 
-#include <wx/clipbrd.h>
-#include <wx/textctrl.h>
-#include <wx/dataobj.h>
+#include "wx/clipbrd.h"
+#include "wx/textctrl.h"
+#include "wx/dataobj.h"
 
 #ifdef WXLAYOUT_USE_CARET
-#   include <wx/caret.h>
+#   include "wx/caret.h"
 #endif // WXLAYOUT_USE_CARET
 
 #include <ctype.h>
 
+
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 
-#ifdef WXLAYOUT_DEBUG
-#  define   WXLO_DEBUG(x)      wxLogDebug x
+#ifdef DEBUG
+#   define   WXLO_DEBUG(x)      wxLogDebug x
 #else
-#  define WXLO_DEBUG(x)
+#   define WXLO_DEBUG(x)
 #endif
 
+// for profiling in debug mode:
+WXLO_TIMER_DEFINE(UpdateTimer);
+WXLO_TIMER_DEFINE(BlitTimer);
+WXLO_TIMER_DEFINE(LayoutTimer);
+WXLO_TIMER_DEFINE(TmpTimer);
+WXLO_TIMER_DEFINE(DrawTimer);
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 #define   WXLO_ROFFSET   20
 #define   WXLO_BOFFSET   20
 
+/// scroll margins when selecting with the mouse
+#define WXLO_SCROLLMARGIN_X   10
+#define WXLO_SCROLLMARGIN_Y   10
+
 /// the size of one scrollbar page in pixels
 static const int X_SCROLL_PAGE = 10;
 static const int Y_SCROLL_PAGE = 20;
 
+
+
 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
+   EVT_SIZE    (wxLayoutWindow::OnSize)
+
    EVT_PAINT    (wxLayoutWindow::OnPaint)
+
    EVT_CHAR     (wxLayoutWindow::OnChar)
    EVT_KEY_UP   (wxLayoutWindow::OnKeyUp)
-   EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseClick)
+
+   EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseDown)
+   EVT_LEFT_UP(wxLayoutWindow::OnLeftMouseUp)
    EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick)
    EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick)
+   EVT_MIDDLE_DOWN(wxLayoutWindow::OnMiddleMouseDown)
    EVT_MOTION    (wxLayoutWindow::OnMouseMove)
+
+   EVT_UPDATE_UI(WXLOWIN_MENU_UNDERLINE, wxLayoutWindow::OnUpdateMenuUnderline)
+   EVT_UPDATE_UI(WXLOWIN_MENU_BOLD, wxLayoutWindow::OnUpdateMenuBold)
+   EVT_UPDATE_UI(WXLOWIN_MENU_ITALICS, wxLayoutWindow::OnUpdateMenuItalic)
    EVT_MENU_RANGE(WXLOWIN_MENU_FIRST, WXLOWIN_MENU_LAST, wxLayoutWindow::OnMenu)
+
    EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus)
    EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus)
+
+//   EVT_IDLE(wxLayoutWindow::ResizeScrollbars)
 END_EVENT_TABLE()
 
-// ===========================================================================
-// implementation
-// ===========================================================================
+// ----------------------------------------------------------------------------
+// function prototypes
+// ----------------------------------------------------------------------------
 
-/* LEAVE IT HERE UNTIL WXGTK WORKS AGAIN!!! */
-#ifdef __WXGTK__
-/// allows me to compare to wxPoints
-static bool operator != (wxPoint const &p1, wxPoint const &p2)
-{
-   return p1.x != p2.x || p1.y != p2.y;
-}
-#endif // __WXGTK__
+/// returns true if keyCode is one of arrows/home/end/page{up|down} keys
+static bool IsDirectionKey(long keyCode);
+
+// ============================================================================
+// implementation
+// ============================================================================
 
 #ifndef wxWANTS_CHARS
-   #define wxWANTS_CHARS 0
+#   define wxWANTS_CHARS 0
 #endif
 
 // ----------------------------------------------------------------------------
@@ -118,886 +146,1385 @@ static bool operator != (wxPoint const &p1, wxPoint const &p2)
 // ----------------------------------------------------------------------------
 
 wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
-              : wxScrolledWindow(parent, -1,
+              : wxScrolledWindow(parent, wxID_ANY,
                                  wxDefaultPosition, wxDefaultSize,
                                  wxHSCROLL | wxVSCROLL |
                                  wxBORDER |
-                                 wxWANTS_CHARS)
+                                 wxWANTS_CHARS),
+                m_llist(NULL)
 {
-   SetStatusBar(NULL); // don't use statusbar
-   m_Editable = false;
-   m_doSendEvents = false;
-   m_ViewStartX = 0; m_ViewStartY = 0;
-   m_DoPopupMenu = true;
-   m_PopupMenu = MakeFormatMenu();
-   m_memDC = new wxMemoryDC;
-   m_bitmap = new wxBitmap(4,4);
-   m_bitmapSize = wxPoint(4,4);
-   m_llist = new wxLayoutList();
-
-   m_BGbitmap = NULL;
-   m_ScrollToCursor = false;
-   SetWrapMargin(0);
-   wxPoint max = m_llist->GetSize();
-   SetScrollbars(X_SCROLL_PAGE, Y_SCROLL_PAGE,
-                 max.x / X_SCROLL_PAGE + 1, max.y / Y_SCROLL_PAGE + 1);
-   EnableScrolling(true, true);
-   m_maxx = max.x + X_SCROLL_PAGE;
-   m_maxy = max.y + Y_SCROLL_PAGE;
-   m_Selecting = false;
+#if wxUSE_STATUSBAR
+    SetStatusBar(NULL); // don't use statusbar
+#endif // wxUSE_STATUSBAR
+    m_Editable = false;
+    m_doSendEvents = false;
+    m_ViewStartX = 0; m_ViewStartY = 0;
+    m_DoPopupMenu = true;
+    m_PopupMenu = MakeFormatMenu();
+    m_memDC = new wxMemoryDC;
+    m_bitmap = new wxBitmap(4,4);
+    m_bitmapSize = wxPoint(4,4);
+    m_llist = new wxLayoutList();
+    m_BGbitmap = NULL;
+    m_ScrollToCursor = false;
+#ifndef __WXMSW__
+    m_FocusFollowMode = false;
+#endif
+    SetWordWrap(false);
+    SetWrapMargin(0);
+
+    // no scrollbars initially
+    m_hasHScrollbar =
+    m_hasVScrollbar = false;
+
+    m_Selecting = false;
 
 #ifdef WXLAYOUT_USE_CARET
-   // FIXME cursor size shouldn't be hardcoded
-   wxCaret *caret = new wxCaret(this, 2, 20);
-   SetCaret(caret);
-   m_llist->SetCaret(caret);
-   caret->Show();
+    // FIXME cursor size shouldn't be hardcoded
+    wxCaret *caret = new wxCaret(this, 2, 20);
+    SetCaret(caret);
+    m_llist->SetCaret(caret);
 #endif // WXLAYOUT_USE_CARET
 
-   SetCursorVisibility(-1);
-   SetCursor(wxCURSOR_IBEAM);
-   SetDirty();
+    m_HaveFocus = false;
+    m_HandCursor = false;
+    m_CursorVisibility = -1;
+    SetCursor(wxCURSOR_IBEAM);
+    SetDirty();
+
+    // at least under Windows, this should be the default behaviour
+    m_AutoDeleteSelection = true;
 }
 
 wxLayoutWindow::~wxLayoutWindow()
 {
-   delete m_memDC; // deletes bitmap automatically (?)
-   delete m_bitmap;
-   delete m_llist;
-   delete m_PopupMenu;
-   SetBackgroundBitmap(NULL);
+    delete m_memDC; // deletes bitmap automatically (?)
+    delete m_bitmap;
+    delete m_llist;
+    delete m_PopupMenu;
+    SetBackgroundBitmap(NULL);
 }
 
 void
 wxLayoutWindow::Clear(int family,
-                      int size,
-                      int style,
-                      int weight,
-                      int underline,
-                      wxColour *fg,
-                      wxColour *bg)
+    int size,
+    int style,
+    int weight,
+    int underline,
+    wxColour *fg,
+    wxColour *bg)
 {
-   GetLayoutList()->Clear(family,size,style,weight,underline,fg,bg);
-   SetBackgroundColour(GetLayoutList()->GetDefaultStyleInfo().GetBGColour());
-   ResizeScrollbars(true);
-   SetDirty();
-   SetModified(false);
-   wxScrolledWindow::Clear();
-   DoPaint((wxRect *)NULL);
+    GetLayoutList()->Clear(family,size,style,weight,underline,fg,bg);
+    SetBackgroundColour(GetLayoutList()->GetDefaultStyleInfo().GetBGColour());
+    //wxScrolledWindow::Clear();
+    ResizeScrollbars(true);
+    SetDirty();
+    SetModified(false);
+    if ( m_Editable )
+        m_CursorVisibility = 1;
+
+#ifdef WXLAYOUT_USE_CARET
+    if ( m_CursorVisibility == 1 )
+        GetCaret()->Show();
+#endif // WXLAYOUT_USE_CARET
+
+    RequestUpdate((wxRect *)NULL);
+}
+
+void wxLayoutWindow::Refresh(bool eraseBackground, const wxRect *rect)
+{
+    wxScrolledWindow::Refresh(eraseBackground, rect);
 }
 
 void
 wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
 {
-   wxClientDC dc( this );
-   PrepareDC( dc );
-   if ( eventId != WXLOWIN_MENU_MOUSEMOVE )
-   {
-       // moving the mouse in a window shouldn't give it the focus!
-      SetFocus();
-   }
-
-   wxPoint findPos;
-   findPos.x = dc.DeviceToLogicalX(event.GetX());
-   findPos.y = dc.DeviceToLogicalY(event.GetY());
-
-   findPos.x -= WXLO_XOFFSET;
-   findPos.y -= WXLO_YOFFSET;
-
-   if(findPos.x < 0) findPos.x = 0;
-   if(findPos.y < 0) findPos.y = 0;
-
-   m_ClickPosition = wxPoint(event.GetX(), event.GetY());
-
-   wxPoint cursorPos;
-   bool found;
-   wxLayoutObject *obj = m_llist->FindObjectScreen(dc, findPos,
-                                                   &cursorPos, &found);
-   wxLayoutObject::UserData *u = obj ? obj->GetUserData() : NULL;
-
-   //has the mouse only been moved?
-   if(eventId == WXLOWIN_MENU_MOUSEMOVE)
-   {
-      // found is only true if we are really over an object, not just
-      // behind it
-      if(found && u && ! m_Selecting)
-      {
-         if(!m_HandCursor)
-            SetCursor(wxCURSOR_HAND);
-         m_HandCursor = TRUE;
-         if(m_StatusBar && m_StatusFieldLabel != -1)
-         {
-            const wxString &label = u->GetLabel();
-            if(label.Length())
-               m_StatusBar->SetStatusText(label,
-                                          m_StatusFieldLabel);
-         }
-      }
-      else
-      {
-         if(m_HandCursor)
-            SetCursor(wxCURSOR_IBEAM);
-         m_HandCursor = FALSE;
-         if(m_StatusBar && m_StatusFieldLabel != -1)
-            m_StatusBar->SetStatusText("", m_StatusFieldLabel);
-      }
-      if(event.LeftIsDown())
-      {
-         if(! m_Selecting)
-         {
-            m_llist->StartSelection(wxPoint(-1, -1), m_ClickPosition);
-            m_Selecting = true;
-            DoPaint();  // TODO: we don't have to redraw everything!
-         }
-         else
-         {
+    wxClientDC dc( this );
+    PrepareDC( dc );
+    if ( (eventId != WXLOWIN_MENU_MOUSEMOVE
+#ifndef __WXMSW__
+        || m_FocusFollowMode
+#endif
+        )
+        && (wxWindow::FindFocus() != this) )
+    {
+        SetFocus();
+    }
+
+    wxPoint findPos;
+    findPos.x = dc.DeviceToLogicalX(event.GetX());
+    findPos.y = dc.DeviceToLogicalY(event.GetY());
+
+    findPos.x -= WXLO_XOFFSET;
+    findPos.y -= WXLO_YOFFSET;
+
+    if(findPos.x < 0)
+        findPos.x = 0;
+
+    if(findPos.y < 0)
+        findPos.y = 0;
+
+    m_ClickPosition = wxPoint(event.GetX(), event.GetY());
+
+    // Scroll the window if the mouse is at the end of it:
+    if(m_Selecting && eventId == WXLOWIN_MENU_MOUSEMOVE)
+    {
+        //WXLO_DEBUG(("selecting at : %d/%d", (int) event.GetX(), (int)event.GetY()));
+        int left, top;
+        GetViewStart(&left, &top);
+        wxSize size = GetClientSize();
+        int xdelta, ydelta;
+
+        if(event.GetX() < WXLO_SCROLLMARGIN_X)
+            xdelta = -(WXLO_SCROLLMARGIN_X-event.GetX());
+        else if(event.GetX() > size.x-WXLO_SCROLLMARGIN_X)
+            xdelta = event.GetX()-size.x+WXLO_SCROLLMARGIN_X;
+        else
+            xdelta = 0;
+
+        if(event.GetY() < WXLO_SCROLLMARGIN_Y)
+            ydelta = -(WXLO_SCROLLMARGIN_Y-event.GetY());
+        else if(event.GetY() > size.y-WXLO_SCROLLMARGIN_Y)
+            ydelta = event.GetY()-size.y+WXLO_SCROLLMARGIN_Y;
+        else
+            ydelta = 0;
+
+        //WXLO_DEBUG(("xdelta: %d", (int) xdelta));
+        if(xdelta != 0 || ydelta != 0)
+        {
+            top  += ydelta; if(top < 0) top = 0;
+            left += xdelta; if(left < 0) left = 0;
+            Scroll(left, top);
+        }
+    }
+
+    wxPoint cursorPos;
+    bool found;
+    wxLayoutObject *obj = m_llist->FindObjectScreen(dc, findPos,
+        &cursorPos, &found);
+    wxLayoutObject::UserData *u = obj ? obj->GetUserData() : NULL;
+
+    // has the mouse only been moved?
+    switch ( eventId )
+    {
+    case WXLOWIN_MENU_MOUSEMOVE:
+    {
+        // this variables is used to only erase the message in the status
+        // bar if we had put it there previously - otherwise empting status
+        // bar might be undesirable
+#if wxUSE_STATUSBAR
+        static bool s_hasPutMessageInStatusBar = false;
+#endif // wxUSE_STATUSBAR
+
+        // found is only true if we are really over an object, not just
+        // behind it
+        if(found && u && ! m_Selecting)
+        {
+            if(!m_HandCursor)
+                SetCursor(wxCURSOR_HAND);
+            m_HandCursor = true;
+#if wxUSE_STATUSBAR
+            if(m_StatusBar && m_StatusFieldLabel != -1)
+            {
+                const wxString &label = u->GetLabel();
+                if(label.Length())
+                {
+                    m_StatusBar->SetStatusText(label,m_StatusFieldLabel);
+                    s_hasPutMessageInStatusBar = true;
+                }
+            }
+#endif // wxUSE_STATUSBAR
+        }
+        else
+        {
+            if(m_HandCursor)
+                SetCursor(wxCURSOR_IBEAM);
+            m_HandCursor = false;
+#if wxUSE_STATUSBAR
+            if( m_StatusBar && m_StatusFieldLabel != -1 &&
+                s_hasPutMessageInStatusBar )
+            {
+                m_StatusBar->SetStatusText(wxEmptyString, m_StatusFieldLabel);
+            }
+#endif // wxUSE_STATUSBAR
+        }
+    }
+
+    // selecting?
+    if ( event.LeftIsDown() )
+    {
+        // m_Selecting might not be set if the button got pressed
+        // outside this window, so check for it:
+        if( m_Selecting )
+        {
             m_llist->ContinueSelection(cursorPos, m_ClickPosition);
-            DoPaint();  // TODO: we don't have to redraw everything!
-         }
-      }
-      if(m_Selecting && ! event.LeftIsDown())
-      {
-         m_llist->EndSelection(cursorPos, m_ClickPosition);
-         m_Selecting = false;
-         DoPaint();     // TODO: we don't have to redraw everything!
-      }
-
-      if ( u )
-      {
-         u->DecRef();
-         u = NULL;
-      }
-   }
-   else if(eventId == WXLOWIN_MENU_LCLICK)
-   {
-      // always move cursor to mouse click:
-      m_llist->MoveCursorTo(cursorPos);
-
-      // clicking a mouse removes the selection
-      if ( m_llist->HasSelection() )
-      {
-         m_llist->DiscardSelection();
-         DoPaint();     // TODO: we don't have to redraw everything!
-      }
-
-      // Calculate where the top of the visible area is:
-      int x0, y0;
-      ViewStart(&x0,&y0);
-      int dx, dy;
-      GetScrollPixelsPerUnit(&dx, &dy);
-      x0 *= dx; y0 *= dy;
-
-      wxPoint offset(-x0+WXLO_XOFFSET, -y0+WXLO_YOFFSET);
-      m_llist->UpdateCursorScreenPos(dc, true, offset);
-
-      if(m_CursorVisibility == -1)
-         m_CursorVisibility = 1;
-
-      // VZ: this should be unnecessary because mouse can only click on a
-      //     visible part of the canvas
-#if 0
-      ScrollToCursor();
-#endif // 0
+            RequestUpdate();  // TODO: we don't have to redraw everything!
+        }
+    }
+
+    if ( u )
+    {
+        u->DecRef();
+        u = NULL;
+    }
+    break;
+
+    case WXLOWIN_MENU_LDOWN:
+    {
+        // always move cursor to mouse click:
+        m_llist->MoveCursorTo(cursorPos);
+
+        // clicking a mouse removes the selection
+        if ( m_llist->HasSelection() )
+        {
+            m_llist->DiscardSelection();
+            m_Selecting = false;
+            RequestUpdate();     // TODO: we don't have to redraw everything!
+        }
+
+        // Calculate where the top of the visible area is:
+        int x0, y0;
+        GetViewStart(&x0,&y0);
+        int dx, dy;
+        GetScrollPixelsPerUnit(&dx, &dy);
+        x0 *= dx; y0 *= dy;
+
+        wxPoint offset(-x0+WXLO_XOFFSET, -y0+WXLO_YOFFSET);
+
+        if(m_CursorVisibility == -1)
+            m_CursorVisibility = 1;
+
+#ifdef WXLAYOUT_USE_CARET
+        if ( m_CursorVisibility == 1 )
+            GetCaret()->Show();
+#endif // WXLAYOUT_USE_CARET
+
+        if(m_CursorVisibility)
+        {
+            // draw a thick cursor for editable windows with focus
+            m_llist->DrawCursor(dc, m_HaveFocus && IsEditable(), offset);
+        }
 
 #ifdef __WXGTK__
-      DoPaint(); // DoPaint suppresses flicker under GTK
+        RequestUpdate(); // RequestUpdate suppresses flicker under GTK
 #endif // wxGTK
-   }
-
-   // notify about mouse events?
-   if( m_doSendEvents )
-   {
-      // only do the menu if activated, editable and not on a clickable object
-      if(eventId == WXLOWIN_MENU_RCLICK
-         && IsEditable()
-         && (! obj || u == NULL))
-      {
-         PopupMenu(m_PopupMenu, m_ClickPosition.x, m_ClickPosition.y);
-         if(u) u->DecRef();
-         return;
-      }
-
-      // find the object at this position
-      if(obj)
-      {
-         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId);
-         commandEvent.SetEventObject( this );
-         commandEvent.SetClientData((char *)obj);
-         GetEventHandler()->ProcessEvent(commandEvent);
-      }
-   }
-
-   if( u )
-      u->DecRef();
+
+        // start selection
+        m_llist->StartSelection(wxPoint(-1, -1), m_ClickPosition);
+        m_Selecting = true;
+    }
+    break;
+
+    case WXLOWIN_MENU_LUP:
+        if ( m_Selecting )
+        {
+            // end selection at the cursor position corresponding to the
+            // current mouse position, but don´t move cursor there.
+            m_llist->EndSelection(cursorPos,m_ClickPosition);
+            m_Selecting = false;
+
+            RequestUpdate();     // TODO: we don't have to redraw everything!
+        }
+        break;
+
+    case WXLOWIN_MENU_MDOWN:
+        Paste(true);
+        break;
+
+    case WXLOWIN_MENU_DBLCLICK:
+        // select a word under cursor
+        m_llist->MoveCursorTo(cursorPos);
+        m_llist->MoveCursorWord(-1);
+        m_llist->StartSelection();
+        m_llist->MoveCursorWord(1, false);
+        m_llist->EndSelection();
+        m_Selecting = false;
+        RequestUpdate();     // TODO: we don't have to redraw everything!
+        break;
+    }
+
+    // notify about mouse events?
+    if( m_doSendEvents )
+    {
+        // only do the menu if activated, editable and not on a clickable object
+        if(eventId == WXLOWIN_MENU_RCLICK
+            && IsEditable()
+            && (! obj || u == NULL))
+        {
+            PopupMenu(m_PopupMenu, m_ClickPosition.x, m_ClickPosition.y);
+            if(u) u->DecRef();
+            return;
+        }
+
+        // find the object at this position
+        if(obj)
+        {
+            wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId);
+            commandEvent.SetEventObject( this );
+            commandEvent.SetClientData((char *)obj);
+            GetEventHandler()->ProcessEvent(commandEvent);
+        }
+    }
+
+    if( u ) u->DecRef();
 }
 
-/*
- * Some simple keyboard handling.
- */
+// ----------------------------------------------------------------------------
+// keyboard handling.
+// ----------------------------------------------------------------------------
+
 void
 wxLayoutWindow::OnChar(wxKeyEvent& event)
 {
-   int keyCode = event.KeyCode();
+    int keyCode = event.GetKeyCode();
+    bool ctrlDown = event.ControlDown();
 
 #ifdef WXLAYOUT_DEBUG
-   if(keyCode == WXK_F1)
-   {
-      m_llist->Debug();
-      return;
-   }
+    if(keyCode == WXK_F1)
+    {
+        m_llist->Debug();
+        return;
+    }
 #endif
 
-   if(! m_Selecting && event.ShiftDown())
-   {
-      switch(keyCode)
-      {
-      case WXK_UP:
-      case WXK_DOWN:
-      case WXK_RIGHT:
-      case WXK_LEFT:
-      case WXK_PRIOR:
-      case WXK_NEXT:
-      case WXK_HOME:
-      case WXK_END:
-         m_Selecting = true;
-         m_llist->StartSelection();
-         break;
-      default:
-         ;
-      }
-   }
-
-   // If needed, make cursor visible:
-   if(m_CursorVisibility == -1)
-      m_CursorVisibility = 1;
-
-   /* These two nested switches work like this:
-      The first one processes all non-editing keycodes, to move the
-      cursor, etc. It's default will process all keycodes causing
-      modifications to the buffer, but only if editing is allowed.
-   */
-   bool ctrlDown = event.ControlDown();
-   switch(keyCode)
-   {
-   case WXK_RIGHT:
-      if ( ctrlDown )
-         m_llist->MoveCursorWord(1);
-      else
-         m_llist->MoveCursorHorizontally(1);
-      break;
-   case WXK_LEFT:
-      if ( ctrlDown )
-         m_llist->MoveCursorWord(-1);
-      else
-         m_llist->MoveCursorHorizontally(-1);
-      break;
-   case WXK_UP:
-      m_llist->MoveCursorVertically(-1);
-      break;
-   case WXK_DOWN:
-      m_llist->MoveCursorVertically(1);
-      break;
-   case WXK_PRIOR:
-      m_llist->MoveCursorVertically(-Y_SCROLL_PAGE);
-      break;
-   case WXK_NEXT:
-      m_llist->MoveCursorVertically(Y_SCROLL_PAGE);
-      break;
-   case WXK_HOME:
-      if ( ctrlDown )
-         m_llist->MoveCursorTo(wxPoint(0, 0));
-      else
-         m_llist->MoveCursorToBeginOfLine();
-      break;
-   case WXK_END:
-      if ( ctrlDown )
-         m_llist->MoveCursorTo(m_llist->GetSize());
-      else
-         m_llist->MoveCursorToEndOfLine();
-      break;
-
-   default:
-      if(keyCode == 'c' && ctrlDown)
-      {
-         // this should work even in read-only mode
-         Copy();
-      }
-      else if( IsEditable() )
-      {
-         /* First, handle control keys */
-         if(event.ControlDown() && ! event.AltDown())
-         {
+    // Force m_Selecting to be false if shift is no longer
+    // pressed. OnKeyUp() cannot catch all Shift-Up events.
+    if(m_Selecting && !event.ShiftDown())
+    {
+        m_Selecting = false;
+        m_llist->EndSelection();
+        m_llist->DiscardSelection(); //FIXME: correct?
+    }
+
+    // If we deleted the selection here, we must not execute the
+    // deletion in Delete/Backspace handling.
+    bool deletedSelection = false;
+    // pressing any non-arrow key optionally replaces the selection:
+    if(m_AutoDeleteSelection
+        && IsEditable()
+        && !m_Selecting
+        && m_llist->HasSelection()
+        && ! IsDirectionKey(keyCode)
+        && ! (event.AltDown() || ctrlDown) )
+    {
+        m_llist->DeleteSelection();
+        deletedSelection = true;
+        SetDirty();
+    }
+
+    // <Shift>+<arrow> starts selection
+    if ( IsDirectionKey(keyCode) )
+    {
+        // just continue the old selection
+        if ( m_Selecting && event.ShiftDown() )
+        {
+            m_llist->ContinueSelection();
+        }
+        else
+        {
+            m_llist->DiscardSelection();
+            m_Selecting = false;
+            if( event.ShiftDown() )
+            {
+                m_Selecting = true;
+                m_llist->StartSelection();
+            }
+        }
+    }
+
+    // If needed, make cursor visible:
+    if(m_CursorVisibility == -1)
+        m_CursorVisibility = 1;
+
+    /* These two nested switches work like this:
+       The first one processes all non-editing keycodes, to move the
+       cursor, etc. It's default will process all keycodes causing
+       modifications to the buffer, but only if editing is allowed.
+    */
+    switch(keyCode)
+    {
+
+    case WXK_RIGHT:
+        if ( ctrlDown )
+            m_llist->MoveCursorWord(1);
+        else
+            m_llist->MoveCursorHorizontally(1);
+        break;
+
+    case WXK_LEFT:
+        if ( ctrlDown )
+            m_llist->MoveCursorWord(-1);
+        else
+            m_llist->MoveCursorHorizontally(-1);
+
+        break;
+
+    case WXK_UP:
+        m_llist->MoveCursorVertically(-1);
+        break;
+
+    case WXK_DOWN:
+        m_llist->MoveCursorVertically(1);
+        break;
+
+    case WXK_PRIOR:
+        m_llist->MoveCursorVertically(-Y_SCROLL_PAGE);
+        break;
+
+    case WXK_NEXT:
+        m_llist->MoveCursorVertically(Y_SCROLL_PAGE);
+        break;
+
+    case WXK_HOME:
+        if ( ctrlDown )
+            m_llist->MoveCursorTo(wxPoint(0, 0));
+        else
+            m_llist->MoveCursorToBeginOfLine();
+        break;
+
+    case WXK_END:
+        if ( ctrlDown )
+            m_llist->MoveCursorToEnd();
+        else
+            m_llist->MoveCursorToEndOfLine();
+        break;
+
+    default:
+
+        if(ctrlDown && ! IsEditable())
+        {
             switch(keyCode)
             {
-            case WXK_INSERT:
-               Copy();
-               break;
-            case WXK_DELETE :
-            case 'd':
-               m_llist->Delete(1);
-               break;
-            case 'y':
-               m_llist->DeleteLines(1);
-               break;
-            case 'h': // like backspace
-               if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
-               break;
-            case 'u':
-               m_llist->DeleteToBeginOfLine();
-               break;
-            case 'k':
-               m_llist->DeleteToEndOfLine();
-               break;
-            case 'v':
-               Paste();
-               break;
-            case 'x':
-               Cut();
-               break;
+
+            case 'c':
+                // this should work even in read-only mode
+                Copy(true, true);
+                break;
+
+            case 's': // search
+                Find(wxEmptyString);
+                break;
+
+            case 't': // search again
+                FindAgain();
+                break;
+
+            default:
+                // we don't handle it, maybe an accelerator?
+                event.Skip();
+            ;
+            }
+        }
+        else if( IsEditable() )
+        {
+            /* First, handle control keys */
+            if(ctrlDown && ! event.AltDown())
+            {
+                if(keyCode >= 'A' && keyCode <= 'Z')
+                    keyCode = tolower(keyCode);
+
+                switch(keyCode)
+                {
+
+                case WXK_INSERT:
+                    Copy();
+                    break;
+
+                case WXK_DELETE :
+                    if(! deletedSelection)
+                    {
+                        m_llist->DeleteWord();
+                        SetDirty();
+                    }
+                    break;
+
+                case 'd':
+                    if(! deletedSelection) // already done
+                    {
+                        m_llist->Delete(1);
+                        SetDirty();
+                    }
+                    break;
+
+                case 'y':
+                    m_llist->DeleteLines(1);
+                    SetDirty();
+                    break;
+
+                case 'h': // like backspace
+                    if(m_llist->MoveCursorHorizontally(-1))
+                    {
+                        m_llist->Delete(1);
+                        SetDirty();
+                    }
+                    break;
+
+                case 's': // search
+                    Find(wxEmptyString);
+                    break;
+
+                case 't': // search again
+                    FindAgain();
+                    break;
+
+                case 'u':
+                    m_llist->DeleteToBeginOfLine();
+                    SetDirty();
+                    break;
+
+                case 'k':
+                    m_llist->DeleteToEndOfLine();
+                    SetDirty();
+                    break;
+
+                case 'c':
+                    Copy(true, true);
+                    break;
+
+                case 'v':
+                    Paste(true);
+                    break;
+
+                case 'x':
+                    Cut();
+                    break;
+
+                case 'w':
+                    if(m_WrapMargin > 0)
+                        m_llist->WrapLine(m_WrapMargin);
+                    break;
+
+                case 'q':
+                    if(m_WrapMargin > 0)
+                        m_llist->WrapAll(m_WrapMargin);
+                    break;
+
 #ifdef WXLAYOUT_DEBUG
-            case WXK_F1:
-               m_llist->SetFont(-1,-1,-1,-1,true);  // underlined
-               break;
+                case WXK_F1:
+                    m_llist->SetFont(-1,-1,-1,-1,true);  // underlined
+                    break;
+
+                case 'l':
+                    Refresh(true);
+                    break;
 #endif
-            default:
-               ;
+
+                default:
+                    // we don't handle it, maybe an accelerator?
+                    event.Skip();
+                }
             }
-         }
-         // ALT only:
-         else if( event.AltDown() && ! event.ControlDown() )
-         {
-            switch(keyCode)
+            // ALT only:
+            else if( event.AltDown() && ! event.ControlDown() )
             {
-            case WXK_DELETE:
-            case 'd':
-               m_llist->DeleteWord();
-               break;
-            default:
-               ;
+                switch(keyCode)
+                {
+                case WXK_DELETE:
+                case 'd':
+                    m_llist->DeleteWord();
+                    SetDirty();
+                    break;
+
+                default:
+                    // we don't handle it, maybe an accelerator?
+                    event.Skip();
+                }
             }
-         }
-         // no control keys:
-         else if ( ! event.AltDown() && ! event.ControlDown())
-         {
-            switch(keyCode)
+            // no control keys:
+            else if ( ! event.AltDown() && ! event.ControlDown())
             {
-            case WXK_INSERT:
-               if(event.ShiftDown())
-                  Paste();
-               break;
-            case WXK_DELETE :
-               if(event.ShiftDown())
-                  Cut();
-               else
-                  m_llist->Delete(1);
-               break;
-            case WXK_BACK: // backspace
-               if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
-               break;
-            case WXK_RETURN:
-               if(m_WrapMargin > 0)
-                  m_llist->WrapLine(m_WrapMargin);
-               m_llist->LineBreak();
-               break;
-            default:
-               if((!(event.ControlDown() || event.AltDown() || event.MetaDown()))
-                  && (keyCode < 256 && keyCode >= 32)
-                  )
-               {
-                  if(m_WrapMargin > 0 && isspace(keyCode))
-                     m_llist->WrapLine(m_WrapMargin);
-                  m_llist->Insert((char)keyCode);
-               }
-               break;
+                switch(keyCode)
+                {
+                case WXK_INSERT:
+                    if(event.ShiftDown())
+                        Paste();
+                    break;
+
+                case WXK_DELETE :
+                    if(event.ShiftDown())
+                    {
+                        Cut();
+                    }
+                    else if(! deletedSelection)
+                    {
+                        m_llist->Delete(1);
+                        SetDirty();
+                    }
+                    break;
+
+                case WXK_BACK: // backspace
+                    if(! deletedSelection)
+                    {
+                        if(m_llist->MoveCursorHorizontally(-1))
+                        {
+                            m_llist->Delete(1);
+                            SetDirty();
+                        }
+                    }
+                    break;
+
+                case WXK_RETURN:
+                    if (m_DoWordWrap &&
+                        m_WrapMargin > 0
+                        && m_llist->GetCursorPos().x > m_WrapMargin )
+                    {
+                        m_llist->WrapLine(m_WrapMargin);
+                    }
+
+                    m_llist->LineBreak();
+                    SetDirty();
+                    break;
+
+                case WXK_TAB:
+                    if ( !event.ShiftDown() )
+                    {
+                        // TODO should be configurable
+                        static const int tabSize = 8;
+
+                        CoordType x = m_llist->GetCursorPos().x;
+                        size_t numSpaces = tabSize - x % tabSize;
+                        m_llist->Insert(wxString(' ', numSpaces));
+                        SetDirty();
+                    }
+                    break;
+
+                default:
+                    if ( ( !(event.ControlDown() || event.AltDown()) )
+                        && (keyCode < 256 && keyCode >= 32) )
+                    {
+                        if ( m_DoWordWrap
+                            && m_WrapMargin > 0
+                            && m_llist->GetCursorPos().x > m_WrapMargin
+                            && isspace(keyCode) )
+                        {
+                            m_llist->WrapLine(m_WrapMargin);
+                        }
+
+                        m_llist->Insert((wxChar)keyCode);
+                        SetDirty();
+                    }
+                    else
+                    {
+                        // we don't handle it, maybe an accelerator?
+                        event.Skip();
+                    }
+                    break;
+                }
+
             }
-         }
-         SetDirty();
-         SetModified();
-      }// if(IsEditable())
-   }// first switch()
-   if(m_Selecting)
-   {
-      if(event.ShiftDown())
-         m_llist->ContinueSelection();
-      else
-      {
-         m_llist->EndSelection();
-         m_Selecting = false;
-      }
-   }
-
-   // we must call ResizeScrollbars() before ScrollToCursor(), otherwise the
-   // ne cursor position might be outside the current scrolllbar range
-   ResizeScrollbars();
-   ScrollToCursor();
-
-   // refresh the screen
-   DoPaint(m_llist->GetUpdateRect());
+        }// if(IsEditable())
+        else
+        {
+            // we don't handle it, maybe an accelerator?
+            event.Skip();
+        }
+    }// first switch()
+
+    if ( m_Selecting )
+    {
+        // continue selection to the current (new) cursor position
+        m_llist->ContinueSelection();
+    }
+
+    ScrollToCursor();
+    // refresh the screen
+    RequestUpdate(m_llist->GetUpdateRect());
 }
 
 void
 wxLayoutWindow::OnKeyUp(wxKeyEvent& event)
 {
-   if(event.KeyCode() == WXK_SHIFT && m_llist->IsSelecting())
-   {
-      m_llist->EndSelection();
-      m_Selecting = false;
-   }
-   event.Skip();
+    if ( event.GetKeyCode() == WXK_SHIFT && m_Selecting )
+    {
+        m_llist->EndSelection();
+        m_Selecting = false;
+    }
+
+    event.Skip();
 }
 
 
 void
-wxLayoutWindow::ScrollToCursor(void)
+wxLayoutWindow::ScrollToCursor()
 {
-   wxClientDC dc( this );
-   PrepareDC( dc );
-
-   int x0,y0,x1,y1, dx, dy;
-
-   // Calculate where the top of the visible area is:
-   ViewStart(&x0,&y0);
-   GetScrollPixelsPerUnit(&dx, &dy);
-   x0 *= dx; y0 *= dy;
-
-   WXLO_DEBUG(("ScrollToCursor: ViewStart is %d/%d", x0, y0));
-
-   // Get the size of the visible window:
-   GetClientSize(&x1,&y1);
-
-   // notice that the client size may be (0, 0)...
-   wxASSERT(x1 >= 0 && y1 >= 0);
-
-   // VZ: I think this is false - if you do it here, ResizeScrollbars() won't
-   //     call SetScrollbars() later
-#if 0
-   // As we have the values anyway, use them to avoid unnecessary scrollbar
-   // updates.
-   if(x1 > m_maxx) m_maxx = x1;
-   if(y1 > m_maxy) m_maxy = y1;
-#endif // 0
-
-   // Make sure that the scrollbars are at a position so that the cursor is
-   // visible if we are editing
-   WXLO_DEBUG(("m_ScrollToCursor = %d", (int) m_ScrollToCursor));
-   wxPoint cc = m_llist->GetCursorScreenPos(dc);
-
-   // the cursor should be completely visible in both directions
-   wxPoint cs(m_llist->GetCursorSize());
-   int nx = -1,
-       ny = -1;
-   if ( cc.x < x0 || cc.x >= x0 + x1 - cs.x )
-   {
-      nx = cc.x - x1/2;
-      if ( nx < 0 )
-         nx = 0;
-   }
-
-   if ( cc.y < y0 || cc.y >= y0 + y1 - cs.y )
-   {
-      ny = cc.y - y1/2;
-      if ( ny < 0) 
-         ny = 0;
-   }
-
-   if ( nx != -1 || ny != -1 )
-   {
-      // set new view start
-      Scroll(nx == -1 ? -1 : (nx+dx-1)/dx, ny == -1 ? -1 : (ny+dy-1)/dy);
-
-      // avoid recursion
-      m_ScrollToCursor = false;
-   }
+    //is always needed to make sure we know where the cursor is
+    //if(IsDirty())
+    //RequestUpdate(m_llist->GetUpdateRect());
+
+
+    ResizeScrollbars();
+
+    int x0,y0,x1,y1, dx, dy;
+
+    // Calculate where the top of the visible area is:
+    GetViewStart(&x0,&y0);
+    GetScrollPixelsPerUnit(&dx, &dy);
+    x0 *= dx; y0 *= dy;
+
+    WXLO_DEBUG(("ScrollToCursor: GetViewStart is %d/%d", x0, y0));
+
+    // Get the size of the visible window:
+    GetClientSize(&x1, &y1);
+
+    // Make sure that the scrollbars are at a position so that the cursor is
+    // visible if we are editing
+    WXLO_DEBUG(("m_ScrollToCursor = %d", (int) m_ScrollToCursor));
+    wxPoint cc = m_llist->GetCursorScreenPos();
+
+    // the cursor should be completely visible in both directions
+    wxPoint cs(m_llist->GetCursorSize());
+    int nx = -1,
+        ny = -1;
+
+    if ( cc.x < x0 || cc.x >= x0 + x1 - cs.x )
+    {
+        nx = cc.x - x1/2;
+        if ( nx < 0 )
+            nx = 0;
+    }
+
+    if ( cc.y < y0 || cc.y >= y0 + y1 - cs.y )
+    {
+        ny = cc.y - y1/2;
+        if ( ny < 0)
+            ny = 0;
+    }
+
+    if( nx != -1 || ny != -1 )
+    {
+        // set new view start
+        Scroll(nx == -1 ? -1 : (nx+dx-1)/dx, ny == -1 ? -1 : (ny+dy-1)/dy);
+        // avoid recursion
+        m_ScrollToCursor = false;
+        RequestUpdate();
+    }
 }
 
 void
 wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event))
 {
-   wxRect region = GetUpdateRegion().GetBox();
-   InternalPaint(&region);
+    wxRect region = GetUpdateRegion().GetBox();
+    InternalPaint(&region);
 }
 
 void
-wxLayoutWindow::DoPaint(const wxRect *updateRect)
+wxLayoutWindow::RequestUpdate(const wxRect *
+#ifdef __WXGTK__
+    updateRect
+#else
+    WXUNUSED(updateRect)
+#endif
+)
 {
-#ifndef __WXMSW__
-   InternalPaint(updateRect);
+#ifdef __WXGTK__
+    // Calling Refresh() causes bad flicker under wxGTK!!!
+    InternalPaint(updateRect);
 #else
-   Refresh(FALSE, updateRect); // Causes bad flicker under wxGTK!!!
-
-   if ( !::UpdateWindow(GetHwnd()) )
-      wxLogLastError("UpdateWindow");
+    // shouldn't specify the update rectangle if it doesn't include all the
+    // changed locations - otherwise, they won't be repainted at all because
+    // the system clips the display to the update rect
+    Refresh(false); //, updateRect);
 #endif
 }
 
 void
 wxLayoutWindow::InternalPaint(const wxRect *updateRect)
 {
-   wxPaintDC dc( this );
-   PrepareDC( dc );
+
+    wxPaintDC dc( this );
+    PrepareDC( dc );
 
 #ifdef WXLAYOUT_USE_CARET
-   // hide the caret before drawing anything
-   GetCaret()->Hide();
+    // hide the caret before drawing anything
+    GetCaret()->Hide();
 #endif // WXLAYOUT_USE_CARET
 
-   int x0,y0,x1,y1, dx, dy;
-
-   // Calculate where the top of the visible area is:
-   ViewStart(&x0,&y0);
-   GetScrollPixelsPerUnit(&dx, &dy);
-   x0 *= dx; y0 *= dy;
-
-   // Get the size of the visible window:
-   GetClientSize(&x1,&y1);
-   wxASSERT(x1 >= 0);
-   wxASSERT(y1 >= 0);
-
-   if(updateRect)
-   {
-      WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
-                  updateRect->x, updateRect->y,
-                  updateRect->x+updateRect->width,
-                  updateRect->y+updateRect->height));
-   }
-   if(IsDirty())
-   {
-      m_llist->Layout(dc);
-      ResizeScrollbars();
-   }
-   /* Check whether the window has grown, if so, we need to reallocate
-      the bitmap to be larger. */
-   if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
-   {
-      wxASSERT(m_bitmapSize.x > 0);
-      wxASSERT(m_bitmapSize.y > 0);
-
-      m_memDC->SelectObject(wxNullBitmap);
-      delete m_bitmap;
-      m_bitmapSize = wxPoint(x1,y1);
-      m_bitmap = new wxBitmap(x1,y1);
-      m_memDC->SelectObject(*m_bitmap);
-   }
-
-   m_memDC->SetDeviceOrigin(0,0);
-   m_memDC->SetBrush(wxBrush(m_llist->GetDefaultStyleInfo().GetBGColour(),wxSOLID));
-   m_memDC->SetPen(wxPen(m_llist->GetDefaultStyleInfo().GetBGColour(),
-                         0,wxTRANSPARENT));
-   m_memDC->SetLogicalFunction(wxCOPY);
-   m_memDC->Clear();
-
-   // fill the background with the background bitmap
-   if(m_BGbitmap)
-   {
-      CoordType
-         y, x,
-         w = m_BGbitmap->GetWidth(),
-         h = m_BGbitmap->GetHeight();
-      for(y = 0; y < y1; y+=h)
-         for(x = 0; x < x1; x+=w)
-            m_memDC->DrawBitmap(*m_BGbitmap, x, y);
-      m_memDC->SetBackgroundMode(wxTRANSPARENT);
-   }
-
-   // This is the important bit: we tell the list to draw itself
+    int x0,y0,x1,y1, dx, dy;
+
+    // Calculate where the top of the visible area is:
+    GetViewStart(&x0,&y0);
+    GetScrollPixelsPerUnit(&dx, &dy);
+    x0 *= dx; y0 *= dy;
+
+    // Get the size of the visible window:
+    GetClientSize(&x1,&y1);
+    wxASSERT(x1 >= 0);
+    wxASSERT(y1 >= 0);
+
+    if(updateRect)
+    {
+        WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
+            updateRect->x, updateRect->y,
+            updateRect->x+updateRect->width,
+            updateRect->y+updateRect->height));
+    }
+
+    ResizeScrollbars(true);
+
+    WXLO_TIMER_START(TmpTimer);
+    /* Check whether the window has grown, if so, we need to reallocate
+       the bitmap to be larger. */
+    if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
+    {
+        wxASSERT(m_bitmapSize.x > 0);
+        wxASSERT(m_bitmapSize.y > 0);
+
+        m_memDC->SelectObject(wxNullBitmap);
+        delete m_bitmap;
+        m_bitmapSize = wxPoint(x1,y1);
+        m_bitmap = new wxBitmap(x1,y1);
+        m_memDC->SelectObject(*m_bitmap);
+    }
+
+    m_memDC->SetDeviceOrigin(0,0);
+    m_memDC->SetBackground(wxBrush(m_llist->GetDefaultStyleInfo().GetBGColour(),wxSOLID));
+    m_memDC->SetPen(wxPen(m_llist->GetDefaultStyleInfo().GetBGColour(),
+        0,wxTRANSPARENT));
+    m_memDC->SetLogicalFunction(wxCOPY);
+    m_memDC->Clear();
+    WXLO_TIMER_STOP(TmpTimer);
+
+    // fill the background with the background bitmap
+    if(m_BGbitmap)
+    {
+        CoordType
+            y, x,
+            w = m_BGbitmap->GetWidth(),
+            h = m_BGbitmap->GetHeight();
+        for(y = 0; y < y1; y+=h)
+        {
+            for(x = 0; x < x1; x+=w)
+            {
+                m_memDC->DrawBitmap(*m_BGbitmap, x, y);
+            }
+        }
+
+        m_memDC->SetBackgroundMode(wxTRANSPARENT);
+    }
+
+    // This is the important bit: we tell the list to draw itself
 #if WXLO_DEBUG_URECT
-   if(updateRect)
-   {
-      WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
-                  updateRect->x, updateRect->y,
-                  updateRect->x+updateRect->width,
-                  updateRect->y+updateRect->height));
-   }
+    if(updateRect)
+    {
+        WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
+            updateRect->x, updateRect->y,
+            updateRect->x+updateRect->width,
+            updateRect->y+updateRect->height));
+    }
 #endif
 
-   // Device origins on the memDC are suspect, we translate manually
-   // with the translate parameter of Draw().
-   wxPoint offset(-x0+WXLO_XOFFSET,-y0+WXLO_YOFFSET);
-   m_llist->Draw(*m_memDC,offset, y0, y0+y1);
-
-   // We start calculating a new update rect before drawing the
-   // cursor, so that the cursor coordinates get included in the next
-   // update rectangle (although they are drawn on the memDC, this is
-   // needed to erase it):
-   m_llist->InvalidateUpdateRect();
-   if(m_CursorVisibility != 0)
-   {
-      m_llist->UpdateCursorScreenPos(dc, true, offset);
-      m_llist->DrawCursor(*m_memDC,
-                          m_HaveFocus && IsEditable(), // draw a thick
-                          // cursor for    editable windows with focus
-                          offset);
-   }
-
+    // Device origins on the memDC are suspect, we translate manually
+    // with the translate parameter of Draw().
+    wxPoint offset(-x0+WXLO_XOFFSET,-y0+WXLO_YOFFSET);
+    m_llist->Draw(*m_memDC,offset, y0, y0+y1);
+
+    // We start calculating a new update rect before drawing the
+    // cursor, so that the cursor coordinates get included in the next
+    // update rectangle (although they are drawn on the memDC, this is
+    // needed to erase it):
+    m_llist->InvalidateUpdateRect();
+    if(m_CursorVisibility == 1)
+    {
+        // draw a thick cursor for editable windows with focus
+        m_llist->DrawCursor(*m_memDC,
+            m_HaveFocus && IsEditable(),
+            offset);
+    }
+
+    WXLO_TIMER_START(BlitTimer);
 // Now copy everything to the screen:
 #if 0
-   // This somehow doesn't work, but even the following bit with the
-   // whole rect at once is still a bit broken I think.
-   wxRegionIterator ri ( GetUpdateRegion() );
-   if(ri)
-      while(ri)
-      {
-         WXLO_DEBUG(("UpdateRegion: %ld,%ld, %ld,%ld",
-                     ri.GetX(),ri.GetY(),ri.GetW(),ri.GetH()));
-         dc.Blit(x0+ri.GetX(),y0+ri.GetY(),ri.GetW(),ri.GetH(),
-                 m_memDC,ri.GetX(),ri.GetY(),wxCOPY,FALSE);
-         ri++;
-      }
-   else
+    // This somehow doesn't work, but even the following bit with the
+    // whole rect at once is still a bit broken I think.
+    wxRegionIterator ri ( GetUpdateRegion() );
+    if(ri)
+        while(ri)
+        {
+            WXLO_DEBUG(("UpdateRegion: %ld,%ld, %ld,%ld",
+                ri.GetX(),ri.GetY(),ri.GetW(),ri.GetH()));
+
+            dc.Blit(x0+ri.GetX(),y0+ri.GetY(),ri.GetW(),ri.GetH(),
+                m_memDC,ri.GetX(),ri.GetY(),wxCOPY,false);
+            ri++;
+        }
+    else
 #endif
-   {
-      // FIXME: Trying to copy only the changed parts, but it does not seem
-      // to work:
+    {
+        // FIXME: Trying to copy only the changed parts, but it does not seem
+        // to work:
 //      x0 = updateRect->x; y0 = updateRect->y;
 //      if(updateRect->height < y1)
 //         y1 = updateRect->height;
 //      y1 += WXLO_YOFFSET; //FIXME might not be needed
-      dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,FALSE);
-   }
+        dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,false);
+    }
+
+    WXLO_TIMER_STOP(BlitTimer);
+
 
 #ifdef WXLAYOUT_USE_CARET
-   // show the caret back after everything is redrawn
-   m_caret->Show();
+    // show the caret back after everything is redrawn
+    GetCaret()->Show();
 #endif // WXLAYOUT_USE_CARET
 
-   ResetDirty();
-   m_ScrollToCursor = false;
+    ResetDirty();
+
+#if wxUSE_STATUSBAR
+    if ( m_StatusBar && m_StatusFieldCursor != -1 )
+    {
+        static wxPoint s_oldCursorPos(-1, -1);
+
+        wxPoint pos(m_llist->GetCursorPos());
 
-   if ( m_StatusBar && m_StatusFieldCursor != -1 )
-   {
-      static wxPoint s_oldCursorPos(-1, -1);
+        // avoid unnecessary status bar refreshes
+        if ( pos != s_oldCursorPos )
+        {
+            s_oldCursorPos = pos;
 
-      wxPoint pos(m_llist->GetCursorPos());
+            wxString label;
+            label.Printf(_("Ln:%d Col:%d"), pos.y + 1, pos.x + 1);
+            m_StatusBar->SetStatusText(label, m_StatusFieldCursor);
+        }
+    }
+#endif // wxUSE_STATUSBAR
+
+    WXLO_TIMER_PRINT(LayoutTimer);
+    WXLO_TIMER_PRINT(BlitTimer);
+    WXLO_TIMER_PRINT(TmpTimer);
+}
 
-      // avoid unnecessary status bar refreshes
-      if ( pos != s_oldCursorPos )
-      {
-         s_oldCursorPos = pos;
+void
+wxLayoutWindow::OnSize(wxSizeEvent &event)
+{
+    if ( m_llist )
+        ResizeScrollbars();
 
-         wxString label;
-         label.Printf(_("Ln:%d Col:%d"), pos.y + 1, pos.x + 1);
-         m_StatusBar->SetStatusText(label, m_StatusFieldCursor);
-      }
-   }
+    event.Skip();
 }
 
-// change the range and position of scrollbars
+/*
+Change the range and position of scrollbars. Has evolved into a
+generic Update function which will at some time later cause a repaint
+as needed.
+*/
+
 void
 wxLayoutWindow::ResizeScrollbars(bool exact)
 {
-   wxPoint max = m_llist->GetSize();
-
-   WXLO_DEBUG(("ResizeScrollbars: max size = (%ld, %ld)",
-               (long int)max.x, (long int) max.y));
-
-   if( max.x > m_maxx - WXLO_ROFFSET || max.y > m_maxy - WXLO_BOFFSET || exact )
-   {
-      if ( !exact )
-      {
-         // add an extra bit to the sizes to avoid future updates
-         max.x += WXLO_ROFFSET;
-         max.y += WXLO_BOFFSET;
-      }
-
-      ViewStart(&m_ViewStartX, &m_ViewStartY);
-      SetScrollbars(X_SCROLL_PAGE, Y_SCROLL_PAGE,
-                    max.x / X_SCROLL_PAGE + 1, max.y / Y_SCROLL_PAGE + 1,
-                    m_ViewStartX, m_ViewStartY,
-                    true);
-
-      m_maxx = max.x + X_SCROLL_PAGE;
-      m_maxy = max.y + Y_SCROLL_PAGE;
-   }
+    wxClientDC dc( this );
+    PrepareDC( dc );
+//   m_llist->ForceTotalLayout();
+
+    if(! IsDirty())
+    {
+        // we are laying out just the minimum, but always up to the
+        // cursor line, so the cursor position is updated.
+        m_llist->Layout(dc, 0);
+        return;
+    }
+
+    WXLO_TIMER_START(LayoutTimer);
+    m_llist->Layout(dc, -1);
+    WXLO_TIMER_STOP(LayoutTimer);
+    ResetDirty();
+
+    wxPoint max = m_llist->GetSize();
+    wxSize size = GetClientSize();
+
+    WXLO_DEBUG(("ResizeScrollbars: max size = (%ld, %ld)",
+        (long int)max.x, (long int) max.y));
+
+    // in the absence of scrollbars we should compare with the client size
+    if ( !m_hasHScrollbar )
+        m_maxx = size.x;// - WXLO_ROFFSET;
+
+    if ( !m_hasVScrollbar )
+        m_maxy = size.y;// - WXLO_BOFFSET;
+
+    // check if the text hasn't become too big
+    // TODO why do we set both at once? they're independent...
+    if( max.x > m_maxx - WXLO_ROFFSET
+        || max.y > m_maxy - WXLO_BOFFSET
+        || (max.x < m_maxx - X_SCROLL_PAGE)
+        || (max.y < m_maxy - Y_SCROLL_PAGE)
+        || exact )
+    {
+        // text became too large
+        if ( !exact )
+        {
+            // add an extra bit to the sizes to avoid future updates
+            max.x += WXLO_ROFFSET;
+            max.y += WXLO_BOFFSET;
+        }
+
+        bool done = false;
+
+        if(max.x < X_SCROLL_PAGE && m_hasHScrollbar)
+        {
+            SetScrollbars(0,-1,0,-1,0,-1,true);
+            m_hasHScrollbar = false;
+            done = true;
+        }
+
+        if(max.y < Y_SCROLL_PAGE && m_hasVScrollbar)
+        {
+            SetScrollbars(-1,0,-1,0,-1,0,true);
+            m_hasVScrollbar = false;
+            done = true;
+        }
+
+        if (! done &&
+//         (max.x > X_SCROLL_PAGE || max.y > Y_SCROLL_PAGE)
+            (max.x > size.x - X_SCROLL_PAGE|| max.y > size.y - Y_SCROLL_PAGE) )
+        {
+            GetViewStart(&m_ViewStartX, &m_ViewStartY);
+
+            SetScrollbars(X_SCROLL_PAGE,
+                Y_SCROLL_PAGE,
+                max.x / X_SCROLL_PAGE + 2,
+                max.y / Y_SCROLL_PAGE + 2,
+                m_ViewStartX,
+                m_ViewStartY,
+                true);
+
+            m_hasHScrollbar =
+            m_hasVScrollbar = true;
+//         ScrollToCursor();
+        }
+
+        m_maxx = max.x + X_SCROLL_PAGE;
+        m_maxy = max.y + Y_SCROLL_PAGE;
+    }
 }
 
+// ----------------------------------------------------------------------------
+//
+// clipboard operations
+//
+// ----------------------------------------------------------------------------
+
 void
-wxLayoutWindow::Paste(void)
+wxLayoutWindow::Paste(bool usePrivate, bool primary)
 {
-   // Read some text
-   if (wxTheClipboard->Open())
-   {
-#if wxUSE_PRIVATE_CLIPBOARD_FORMAT
-      wxLayoutDataObject wxldo;
-      if (wxTheClipboard->IsSupported( wxldo.GetFormat() ))
-      {
-         wxTheClipboard->GetData(&wxldo);
-         {
-         }
-         //FIXME: missing functionality m_llist->Insert(wxldo.GetList());
-      }
-      else
-#endif
-      {
-         wxTextDataObject data;
-         if (wxTheClipboard->IsSupported( data.GetFormat() ))
-         {
-            wxTheClipboard->GetData(&data);
+    // this only has an effect under X11:
+    wxTheClipboard->UsePrimarySelection(primary);
+    // Read some text
+    if (wxTheClipboard->Open())
+    {
+        if(usePrivate)
+        {
+            wxLayoutDataObject wxldo;
+            if (wxTheClipboard->IsSupported( wxldo.GetFormat() ))
+            {
+                if(wxTheClipboard->GetData(wxldo))
+                {
+                    wxTheClipboard->Close();
+                    wxString str = wxldo.GetLayoutData();
+                    m_llist->Read(str);
+                    SetDirty();
+                    RequestUpdate();
+                    return;
+                }
+            }
+        }
+
+        wxTextDataObject data;
+        if (wxTheClipboard->IsSupported( data.GetFormat() )
+            && wxTheClipboard->GetData(data) )
+        {
+            wxTheClipboard->Close();
             wxString text = data.GetText();
             wxLayoutImportText( m_llist, text);
-         }
-      }
-      wxTheClipboard->Close();
-   }
+            SetDirty();
+            RequestUpdate();
+            return;
+        }
+    }
+    // if everything failed we can still try the primary:
+    wxTheClipboard->Close();
+    if(! primary) // not tried before
+    {
+        wxTheClipboard->UsePrimarySelection();
+        if (wxTheClipboard->Open())
+        {
+            wxTextDataObject data;
+            if (wxTheClipboard->IsSupported( data.GetFormat() )
+                && wxTheClipboard->GetData(data) )
+            {
+                wxString text = data.GetText();
+                wxLayoutImportText( m_llist, text);
+                SetDirty();
+                RequestUpdate();
+            }
+            wxTheClipboard->Close();
+        }
+    }
+}
+
+bool
+wxLayoutWindow::Copy(bool invalidate, bool privateFormat, bool primary)
+{
+    // Calling GetSelection() will automatically do an EndSelection()
+    // on the list, but we need to take a note of it, too:
+    if(m_Selecting)
+    {
+        m_Selecting = false;
+        m_llist->EndSelection();
+    }
+
+    wxLayoutDataObject *wldo = new wxLayoutDataObject;
+    wxLayoutList *llist = m_llist->GetSelection(wldo, invalidate);
+    if(! llist)
+        return false;
+    // Export selection as text:
+    wxString text;
+    wxLayoutExportObject *exp;
+    wxLayoutExportStatus status(llist);
+    while((exp = wxLayoutExport( &status, WXLO_EXPORT_AS_TEXT)) != NULL)
+    {
+        if(exp->type == WXLO_EXPORT_TEXT)
+            text << *(exp->content.text);
+
+        delete exp;
+    }
+
+    delete llist;
+
+    // The exporter always appends a newline, so we chop it off if it
+    // is there:
+    {
+        size_t len = text.Length();
+        if(len > 2 && text[len-2] ==  '\r') // Windows
+            text = text.Mid(0,len-2);
+        else if(len > 1 && text[len-1] == '\n')
+            text = text.Mid(0,len-1);
+    }
 
 #if 0
-   /* My attempt to get the primary selection, but it does not
-      work. :-( */
-   if(text.Length() == 0)
-   {
-      wxTextCtrl tmp_tctrl(this,-1);
-      tmp_tctrl.Paste();
-      text += tmp_tctrl.GetValue();
-   }
+    if(! primary) // always copy as text-only to primary selection
+    {
+        wxTheClipboard->UsePrimarySelection();
+        if (wxTheClipboard->Open())
+        {
+            wxTextDataObject *data = new wxTextDataObject( text );
+            wxTheClipboard->SetData( data );
+            wxTheClipboard->Close();
+        }
+    }
 #endif
+
+    wxTheClipboard->UsePrimarySelection(primary);
+    if (wxTheClipboard->Open())
+    {
+        wxTextDataObject *data = new wxTextDataObject( text );
+        bool rc = wxTheClipboard->SetData( data );
+
+        if(privateFormat)
+            rc |= wxTheClipboard->SetData( wldo );
+
+        wxTheClipboard->Close();
+        return rc;
+    }
+    else
+    {
+        delete wldo;
+    }
+
+    return false;
 }
 
 bool
-wxLayoutWindow::Copy(bool invalidate)
+wxLayoutWindow::Cut(bool privateFormat, bool usePrimary)
 {
-   // Calling GetSelection() will automatically do an EndSelection()
-   // on the list, but we need to take a note of it, too:
-   if(m_Selecting)
-   {
-      m_Selecting = false;
-      m_llist->EndSelection();
-   }
-
-   wxLayoutDataObject wldo;
-   wxLayoutList *llist = m_llist->GetSelection(&wldo, invalidate);
-   if(! llist)
-      return FALSE;
-   // Export selection as text:
-   wxString text;
-   wxLayoutExportObject *export;
-   wxLayoutExportStatus status(llist);
-   while((export = wxLayoutExport( &status, WXLO_EXPORT_AS_TEXT)) != NULL)
-   {
-      if(export->type == WXLO_EXPORT_TEXT)
-         text << *(export->content.text);
-      delete export;
-   }
-   delete llist;
-
-   // The exporter always appends a newline, so we chop it off if it
-   // is there:
-   {
-      size_t len = text.Length();
-      if(len > 2 && text[len-2] ==  '\r') // Windows
-         text = text.Mid(0,len-2);
-      else if(len > 1 && text[len-1] == '\n')
-         text = text.Mid(0,len-1);
-   }
-
-
-   if (wxTheClipboard->Open())
-   {
-      wxTextDataObject *data = new wxTextDataObject( text );
-      bool  rc = wxTheClipboard->SetData( data );
-#if wxUSE_PRIVATE_CLIPBOARD_FORMAT
-      rc |= wxTheClipboard->AddData( &wldo );
-#endif
-      wxTheClipboard->Close();
-      return rc;
-   }
-
-   return FALSE;
+    if(Copy(false, privateFormat, usePrimary)) // do not invalidate selection after copy
+    {
+        m_llist->DeleteSelection();
+        SetDirty();
+        return true;
+    }
+    else
+    {
+        return false;
+    }
 }
 
+// ----------------------------------------------------------------------------
+// searching
+// ----------------------------------------------------------------------------
+
 bool
-wxLayoutWindow::Cut(void)
+wxLayoutWindow::Find(
+#ifdef M_BASEDIR
+    const wxString &needle,
+    wxPoint * fromWhere,
+    const wxString &configPath
+#else
+    const wxString & WXUNUSED(needle),
+    wxPoint * WXUNUSED(fromWhere),
+    const wxString & WXUNUSED(configPath)
+#endif
+)
 {
-   if(Copy(false)) // do not invalidate selection after copy
-   {
-      m_llist->DeleteSelection();
-      return TRUE;
-   }
-   else
-      return FALSE;
+#ifdef M_BASEDIR
+    wxPoint found;
+
+    if(needle.Length() == 0)
+    {
+        if( ! MInputBox(&m_FindString,
+            _("Find text"),
+            _("   Find:"),
+            this,
+            configPath, "")
+            || strutil_isempty(m_FindString))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        m_FindString = needle;
+    }
+
+    if(fromWhere == NULL)
+        found = m_llist->FindText(m_FindString, m_llist->GetCursorPos());
+    else
+        found = m_llist->FindText(m_FindString, *fromWhere);
+
+    if(found.x != -1)
+    {
+        if(fromWhere)
+        {
+            *fromWhere = found;
+            fromWhere->x ++;
+        }
+
+        m_llist->MoveCursorTo(found);
+        ScrollToCursor();
+        RequestUpdate();
+
+        return true;
+    }
+#endif
+
+    return false;
 }
+
+
 bool
-wxLayoutWindow::Find(const wxString &needle,
-                     wxPoint * fromWhere)
+wxLayoutWindow::FindAgain()
 {
-   wxPoint found;
-
-   if(fromWhere == NULL)
-      found = m_llist->FindText(needle, m_llist->GetCursorPos());
-   else
-      found = m_llist->FindText(needle, *fromWhere);
-   if(found.x != -1)
-   {
-      if(fromWhere)
-      {
-         *fromWhere = found;
-         fromWhere->x ++;
-      }
-      m_llist->MoveCursorTo(found);
-      ScrollToCursor();
-      return true;
-   }
-   return false;
+    bool rc = Find(m_FindString);
+    return rc;
 }
 
+// ----------------------------------------------------------------------------
+// popup menu stuff
+// ----------------------------------------------------------------------------
+
 wxMenu *
 wxLayoutWindow::MakeFormatMenu()
 {
-   wxMenu *m = new wxMenu(_("Layout Menu"));
-
-   m->Append(WXLOWIN_MENU_LARGER   ,_("&Larger"),_("Switch to larger font."), false);
-   m->Append(WXLOWIN_MENU_SMALLER  ,_("&Smaller"),_("Switch to smaller font."), false);
-   m->AppendSeparator();
-   m->Append(WXLOWIN_MENU_UNDERLINE_ON, _("&Underline on"),_("Activate underline mode."), false);
-   m->Append(WXLOWIN_MENU_UNDERLINE_OFF,_("&Underline off"),_("Deactivate underline mode."), false);
-   m->Append(WXLOWIN_MENU_BOLD_ON      ,_("&Bold on"),_("Activate bold mode."), false);
-   m->Append(WXLOWIN_MENU_BOLD_OFF     ,_("&Bold off"),_("Deactivate bold mode."), false);
-   m->Append(WXLOWIN_MENU_ITALICS_ON   ,_("&Italics on"),_("Activate italics mode."), false);
-   m->Append(WXLOWIN_MENU_ITALICS_OFF  ,_("&Italics off"),_("Deactivate italics mode."), false);
-   m->AppendSeparator();
-   m->Append(WXLOWIN_MENU_ROMAN     ,_("&Roman"),_("Switch to roman font."), false);
-   m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Switch to typewriter font."), false);
-   m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Switch to sans serif font."), false);
-   return m;
+    wxMenu *m = new wxMenu(_("Layout Menu"));
+
+    m->Append(WXLOWIN_MENU_LARGER   ,_("&Larger"),_("Switch to larger font."));
+    m->Append(WXLOWIN_MENU_SMALLER  ,_("&Smaller"),_("Switch to smaller font."));
+    m->AppendSeparator();
+    m->Append(WXLOWIN_MENU_UNDERLINE, _("&Underline"),_("Underline mode."), wxITEM_CHECK);
+    m->Append(WXLOWIN_MENU_BOLD, _("&Bold"),_("Bold mode."), wxITEM_CHECK);
+    m->Append(WXLOWIN_MENU_ITALICS, _("&Italics"),_("Italics mode."), wxITEM_CHECK);
+    m->AppendSeparator();
+    m->Append(WXLOWIN_MENU_ROMAN     ,_("&Roman"),_("Switch to roman font."));
+    m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Switch to typewriter font."));
+    m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Switch to sans serif font."));
+
+    return m;
+}
+
+void wxLayoutWindow::OnUpdateMenuUnderline(wxUpdateUIEvent& event)
+{
+    event.Check(m_llist->IsFontUnderlined());
+}
+
+void wxLayoutWindow::OnUpdateMenuBold(wxUpdateUIEvent& event)
+{
+    event.Check(m_llist->IsFontBold());
+}
+
+void wxLayoutWindow::OnUpdateMenuItalic(wxUpdateUIEvent& event)
+{
+    event.Check(m_llist->IsFontItalic());
 }
 
 void wxLayoutWindow::OnMenu(wxCommandEvent& event)
 {
-   switch (event.GetId())
-   {
-   case WXLOWIN_MENU_LARGER:
-      m_llist->SetFontLarger(); break;
-   case WXLOWIN_MENU_SMALLER:
-      m_llist->SetFontSmaller(); break;
-   case WXLOWIN_MENU_UNDERLINE_ON:
-      m_llist->SetFontUnderline(true); break;
-   case WXLOWIN_MENU_UNDERLINE_OFF:
-      m_llist->SetFontUnderline(false); break;
-   case WXLOWIN_MENU_BOLD_ON:
-      m_llist->SetFontWeight(wxBOLD); break;
-   case WXLOWIN_MENU_BOLD_OFF:
-      m_llist->SetFontWeight(wxNORMAL); break;
-   case WXLOWIN_MENU_ITALICS_ON:
-      m_llist->SetFontStyle(wxITALIC); break;
-   case WXLOWIN_MENU_ITALICS_OFF:
-      m_llist->SetFontStyle(wxNORMAL); break;
-   case WXLOWIN_MENU_ROMAN:
-      m_llist->SetFontFamily(wxROMAN); break;
-   case WXLOWIN_MENU_TYPEWRITER:
-      m_llist->SetFontFamily(wxFIXED); break;
-   case WXLOWIN_MENU_SANSSERIF:
-      m_llist->SetFontFamily(wxSWISS); break;
-   }
+    switch (event.GetId())
+    {
+    case WXLOWIN_MENU_LARGER:
+        m_llist->SetFontLarger(); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_SMALLER:
+        m_llist->SetFontSmaller(); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_UNDERLINE:
+        m_llist->ToggleFontUnderline(); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_BOLD:
+        m_llist->ToggleFontWeight(); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_ITALICS:
+        m_llist->ToggleFontItalics(); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_ROMAN:
+        m_llist->SetFontFamily(wxROMAN); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_TYPEWRITER:
+        m_llist->SetFontFamily(wxFIXED); RequestUpdate(); break;
+
+    case WXLOWIN_MENU_SANSSERIF:
+        m_llist->SetFontFamily(wxSWISS); RequestUpdate(); break;
+    }
 }
 
+// ----------------------------------------------------------------------------
+// focus
+// ----------------------------------------------------------------------------
+
 void
 wxLayoutWindow::OnSetFocus(wxFocusEvent &ev)
 {
-   m_HaveFocus = true;
-   ev.Skip();
+    m_HaveFocus = true;
+    ev.Skip();
+    RequestUpdate(); // cursor must change
 }
 
 void
 wxLayoutWindow::OnKillFocus(wxFocusEvent &ev)
 {
-   m_HaveFocus = false;
-   ev.Skip();
+    m_HaveFocus = false;
+    ev.Skip();
+    RequestUpdate();// cursor must change
 }
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static bool IsDirectionKey(long keyCode)
+{
+    switch(keyCode)
+    {
+    case WXK_UP:
+    case WXK_DOWN:
+    case WXK_RIGHT:
+    case WXK_LEFT:
+    case WXK_PRIOR:
+    case WXK_NEXT:
+    case WXK_HOME:
+    case WXK_END:
+        return true;
+
+    default:
+        return false;
+    }
+}
+