]> git.saurik.com Git - wxWidgets.git/blobdiff - src/richtext/richtextctrl.cpp
Drop the Array class added in the last scintilla patch and switch to using wxVector...
[wxWidgets.git] / src / richtext / richtextctrl.cpp
index 76221b479fb141e754ee6c63703e2f17fc0a90a1..be2bc269ee5185a1612451b0463ad9835fea250b 100644 (file)
     #include "wx/settings.h"
 #endif
 
+#include "wx/timer.h"
 #include "wx/textfile.h"
 #include "wx/ffile.h"
 #include "wx/filename.h"
 #include "wx/dcbuffer.h"
 #include "wx/arrimpl.cpp"
 #include "wx/fontenum.h"
+#include "wx/accel.h"
 
 // DLL options compatibility check:
 #include "wx/app.h"
 WX_CHECK_BUILD_OPTIONS("wxRichTextCtrl")
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_LEFT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_RETURN)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_CHARACTER)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_DELETE)
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_LEFT_CLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_RETURN, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CHARACTER, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_DELETE, wxRichTextEvent );
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGED)
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGING, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLESHEET_CHANGED, wxRichTextEvent );
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_BUFFER_RESET)
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED, wxRichTextEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_RICHTEXT_BUFFER_RESET, wxRichTextEvent );
 
-IMPLEMENT_CLASS( wxRichTextCtrl, wxControl )
+#if wxRICHTEXT_USE_OWN_CARET
 
-IMPLEMENT_CLASS( wxRichTextEvent, wxNotifyEvent )
+/*!
+ * wxRichTextCaret
+ *
+ * This implements a non-flashing cursor in case there
+ * are platform-specific problems with the generic caret.
+ * wxRICHTEXT_USE_OWN_CARET is set in richtextbuffer.h.
+ */
+
+class wxRichTextCaret;
+class wxRichTextCaretTimer: public wxTimer
+{
+  public:
+    wxRichTextCaretTimer(wxRichTextCaret* caret)
+    {
+        m_caret = caret;
+    }
+    virtual void Notify();
+    wxRichTextCaret* m_caret;
+};
+
+class wxRichTextCaret: public wxCaret
+{
+public:
+    // ctors
+    // -----
+        // default - use Create()
+    wxRichTextCaret(): m_timer(this)  { Init(); }
+        // creates a block caret associated with the given window
+    wxRichTextCaret(wxRichTextCtrl *window, int width, int height)
+        : wxCaret(window, width, height), m_timer(this) { Init(); m_richTextCtrl = window; }
+    wxRichTextCaret(wxRichTextCtrl *window, const wxSize& size)
+        : wxCaret(window, size), m_timer(this) { Init(); m_richTextCtrl = window; }
+
+    virtual ~wxRichTextCaret();
+
+    // implementation
+    // --------------
+
+    // called by wxWindow (not using the event tables)
+    virtual void OnSetFocus();
+    virtual void OnKillFocus();
+
+    // draw the caret on the given DC
+    void DoDraw(wxDC *dc);
+
+    // get the visible count
+    int GetVisibleCount() const { return m_countVisible; }
 
-BEGIN_EVENT_TABLE( wxRichTextCtrl, wxControl )
+    // delay repositioning
+    bool GetNeedsUpdate() const { return m_needsUpdate; }
+    void SetNeedsUpdate(bool needsUpdate = true ) { m_needsUpdate = needsUpdate; }
+
+    void Notify();
+
+protected:
+    virtual void DoShow();
+    virtual void DoHide();
+    virtual void DoMove();
+    virtual void DoSize();
+
+    // refresh the caret
+    void Refresh();
+
+private:
+    void Init();
+
+    int           m_xOld,
+                  m_yOld;
+    bool          m_hasFocus;       // true => our window has focus
+    bool          m_needsUpdate;    // must be repositioned
+    bool          m_flashOn;
+    wxRichTextCaretTimer m_timer;
+    wxRichTextCtrl* m_richTextCtrl;
+};
+#endif
+
+IMPLEMENT_DYNAMIC_CLASS( wxRichTextCtrl, wxTextCtrlBase )
+
+IMPLEMENT_DYNAMIC_CLASS( wxRichTextEvent, wxNotifyEvent )
+
+BEGIN_EVENT_TABLE( wxRichTextCtrl, wxTextCtrlBase )
     EVT_PAINT(wxRichTextCtrl::OnPaint)
     EVT_ERASE_BACKGROUND(wxRichTextCtrl::OnEraseBackground)
     EVT_IDLE(wxRichTextCtrl::OnIdle)
@@ -72,6 +152,7 @@ BEGIN_EVENT_TABLE( wxRichTextCtrl, wxControl )
     EVT_MIDDLE_DOWN(wxRichTextCtrl::OnMiddleClick)
     EVT_LEFT_DCLICK(wxRichTextCtrl::OnLeftDClick)
     EVT_CHAR(wxRichTextCtrl::OnChar)
+    EVT_KEY_DOWN(wxRichTextCtrl::OnChar)
     EVT_SIZE(wxRichTextCtrl::OnSize)
     EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus)
     EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus)
@@ -131,7 +212,9 @@ wxRichTextCtrl::wxRichTextCtrl(wxWindow* parent,
 bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style,
                              const wxValidator& validator, const wxString& name)
 {
-    if (!wxControl::Create(parent, id, pos, size,
+    style |= wxVSCROLL;
+
+    if (!wxTextCtrlBase::Create(parent, id, pos, size,
                            style|wxFULL_REPAINT_ON_RESIZE,
                            validator, name))
         return false;
@@ -141,6 +224,9 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
         SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
     }
 
+    // No physical scrolling, so we can preserve margins
+    EnableScrolling(false, false);
+
     if (style & wxTE_READONLY)
         SetEditable(false);
 
@@ -152,8 +238,6 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
     attributes.SetLineSpacing(10);
     attributes.SetParagraphSpacingAfter(10);
     attributes.SetParagraphSpacingBefore(0);
-    attributes.SetTextEffects(0);
-    attributes.SetTextEffectFlags(wxTEXT_ATTR_EFFECT_STRIKETHROUGH|wxTEXT_ATTR_EFFECT_CAPITALS);
 
     SetBasicStyle(attributes);
 
@@ -168,8 +252,11 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
     GetBuffer().Reset();
     GetBuffer().SetRichTextCtrl(this);
 
+#if wxRICHTEXT_USE_OWN_CARET
+    SetCaret(new wxRichTextCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16));
+#else
     SetCaret(new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16));
-    GetCaret()->Show();
+#endif
 
     // Tell the sizers to use the given or best size
     SetInitialSize(size);
@@ -189,6 +276,30 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
 
     GetBuffer().AddEventHandler(this);
 
+    // Accelerators
+    wxAcceleratorEntry entries[6];
+
+    entries[0].Set(wxACCEL_CMD,   (int) 'C',       wxID_COPY);
+    entries[1].Set(wxACCEL_CMD,   (int) 'X',       wxID_CUT);
+    entries[2].Set(wxACCEL_CMD,   (int) 'V',       wxID_PASTE);
+    entries[3].Set(wxACCEL_CMD,   (int) 'A',       wxID_SELECTALL);
+    entries[4].Set(wxACCEL_CMD,   (int) 'Z',       wxID_UNDO);
+    entries[5].Set(wxACCEL_CMD,   (int) 'Y',       wxID_REDO);
+
+    wxAcceleratorTable accel(6, entries);
+    SetAcceleratorTable(accel);
+
+    m_contextMenu = new wxMenu;
+    m_contextMenu->Append(wxID_UNDO, _("&Undo"));
+    m_contextMenu->Append(wxID_REDO, _("&Redo"));
+    m_contextMenu->AppendSeparator();
+    m_contextMenu->Append(wxID_CUT, _("Cu&t"));
+    m_contextMenu->Append(wxID_COPY, _("&Copy"));
+    m_contextMenu->Append(wxID_PASTE, _("&Paste"));
+    m_contextMenu->Append(wxID_CLEAR, _("&Delete"));
+    m_contextMenu->AppendSeparator();
+    m_contextMenu->Append(wxID_SELECTALL, _("Select &All"));
+
     return true;
 }
 
@@ -223,7 +334,8 @@ void wxRichTextCtrl::DoThaw()
         LayoutContent();
     else
         SetupScrollbars();
-    Refresh(false);
+
+    wxWindow::DoThaw();
 }
 
 /// Clear all text
@@ -250,8 +362,10 @@ void wxRichTextCtrl::Clear()
 /// Painting
 void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
-    if (GetCaret() && GetCaret()->IsVisible())
+#if !wxRICHTEXT_USE_OWN_CARET
+    if (GetCaret() && !IsFrozen())
         GetCaret()->Hide();
+#endif
 
     {
 #if wxRICHTEXT_BUFFERED_PAINTING
@@ -283,13 +397,31 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
             SetupScrollbars();
         }
 
+        wxRect clipRect(availableSpace);
+        clipRect.x += GetBuffer().GetLeftMargin();
+        clipRect.y += GetBuffer().GetTopMargin();
+        clipRect.width -= (GetBuffer().GetLeftMargin() + GetBuffer().GetRightMargin());
+        clipRect.height -= (GetBuffer().GetTopMargin() + GetBuffer().GetBottomMargin());
+        clipRect.SetPosition(GetLogicalPoint(clipRect.GetPosition()));
+        dc.SetClippingRegion(clipRect);
+
         GetBuffer().Draw(dc, GetBuffer().GetRange(), GetInternalSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */);
+
+        dc.DestroyClippingRegion();
+
+#if wxRICHTEXT_USE_OWN_CARET
+        if (GetCaret()->IsVisible())
+        {
+            ((wxRichTextCaret*) GetCaret())->DoDraw(& dc);
+        }
+#endif
     }
 
-    if (GetCaret() && !GetCaret()->IsVisible())
+#if !wxRICHTEXT_USE_OWN_CARET
+    if (GetCaret())
         GetCaret()->Show();
-
     PositionCaret();
+#endif
 }
 
 // Empty implementation, to prevent flicker
@@ -301,22 +433,33 @@ void wxRichTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
 {
     if (GetCaret())
     {
-        if (!GetCaret()->IsVisible())
-            GetCaret()->Show();
+#if !wxRICHTEXT_USE_OWN_CARET
         PositionCaret();
+#endif
+        GetCaret()->Show();
     }
 
-    // if (!IsFrozen())
-    //    Refresh(false);
+#if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET
+    // Work around dropouts when control is focused
+    if (!IsFrozen())
+    {
+        Refresh(false);
+    }
+#endif
 }
 
 void wxRichTextCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
 {
-    if (GetCaret() && GetCaret()->IsVisible())
+    if (GetCaret())
         GetCaret()->Hide();
 
-    // if (!IsFrozen())
-    //    Refresh(false);
+#if defined(__WXGTK__) && !wxRICHTEXT_USE_OWN_CARET
+    // Work around dropouts when control is focused
+    if (!IsFrozen())
+    {
+        Refresh(false);
+    }
+#endif
 }
 
 void wxRichTextCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
@@ -364,14 +507,10 @@ void wxRichTextCtrl::OnLeftClick(wxMouseEvent& event)
 
         if (event.ShiftDown())
         {
-            bool extendSel = false;
             if (m_selectionRange.GetStart() == -2)
-                extendSel = ExtendSelection(oldCaretPos, m_caretPosition, wxRICHTEXT_SHIFT_DOWN);
+                ExtendSelection(oldCaretPos, m_caretPosition, wxRICHTEXT_SHIFT_DOWN);
             else
-                extendSel = ExtendSelection(m_caretPosition, m_caretPosition, wxRICHTEXT_SHIFT_DOWN);
-
-            if (extendSel)
-                Refresh(false);
+                ExtendSelection(m_caretPosition, m_caretPosition, wxRICHTEXT_SHIFT_DOWN);
         }
         else
             SelectNone();
@@ -500,13 +639,10 @@ void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
 
         if (m_caretPosition != position)
         {
-            bool extendSel = ExtendSelection(m_caretPosition, position, wxRICHTEXT_SHIFT_DOWN);
+            ExtendSelection(m_caretPosition, position, wxRICHTEXT_SHIFT_DOWN);
 
             MoveCaret(position, caretAtLineStart);
             SetDefaultStyleToCursorStyle();
-
-            if (extendSel)
-                Refresh(false);
         }
     }
 }
@@ -565,25 +701,146 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
     if (event.AltDown())
         flags |= wxRICHTEXT_ALT_DOWN;
 
-    if (event.GetKeyCode() == WXK_LEFT ||
-        event.GetKeyCode() == WXK_RIGHT ||
-        event.GetKeyCode() == WXK_UP ||
-        event.GetKeyCode() == WXK_DOWN ||
-        event.GetKeyCode() == WXK_HOME ||
-        event.GetKeyCode() == WXK_PAGEUP ||
-        event.GetKeyCode() == WXK_PAGEDOWN ||
-        event.GetKeyCode() == WXK_END ||
-
-        event.GetKeyCode() == WXK_NUMPAD_LEFT ||
-        event.GetKeyCode() == WXK_NUMPAD_RIGHT ||
-        event.GetKeyCode() == WXK_NUMPAD_UP ||
-        event.GetKeyCode() == WXK_NUMPAD_DOWN ||
-        event.GetKeyCode() == WXK_NUMPAD_HOME ||
-        event.GetKeyCode() == WXK_NUMPAD_PAGEUP ||
-        event.GetKeyCode() == WXK_NUMPAD_PAGEDOWN ||
-        event.GetKeyCode() == WXK_NUMPAD_END)
-    {
-        KeyboardNavigate(event.GetKeyCode(), flags);
+    if (event.GetEventType() == wxEVT_KEY_DOWN)
+    {
+        if (event.IsKeyInCategory(WXK_CATEGORY_NAVIGATION))
+        {
+            KeyboardNavigate(event.GetKeyCode(), flags);
+            return;
+        }
+
+        long keycode = event.GetKeyCode();
+        switch ( keycode )
+        {
+            case WXK_ESCAPE:
+            case WXK_START:
+            case WXK_LBUTTON:
+            case WXK_RBUTTON:
+            case WXK_CANCEL:
+            case WXK_MBUTTON:
+            case WXK_CLEAR:
+            case WXK_SHIFT:
+            case WXK_ALT:
+            case WXK_CONTROL:
+            case WXK_MENU:
+            case WXK_PAUSE:
+            case WXK_CAPITAL:
+            case WXK_END:
+            case WXK_HOME:
+            case WXK_LEFT:
+            case WXK_UP:
+            case WXK_RIGHT:
+            case WXK_DOWN:
+            case WXK_SELECT:
+            case WXK_PRINT:
+            case WXK_EXECUTE:
+            case WXK_SNAPSHOT:
+            case WXK_INSERT:
+            case WXK_HELP:
+            case WXK_F1:
+            case WXK_F2:
+            case WXK_F3:
+            case WXK_F4:
+            case WXK_F5:
+            case WXK_F6:
+            case WXK_F7:
+            case WXK_F8:
+            case WXK_F9:
+            case WXK_F10:
+            case WXK_F11:
+            case WXK_F12:
+            case WXK_F13:
+            case WXK_F14:
+            case WXK_F15:
+            case WXK_F16:
+            case WXK_F17:
+            case WXK_F18:
+            case WXK_F19:
+            case WXK_F20:
+            case WXK_F21:
+            case WXK_F22:
+            case WXK_F23:
+            case WXK_F24:
+            case WXK_NUMLOCK:
+            case WXK_SCROLL:
+            case WXK_PAGEUP:
+            case WXK_PAGEDOWN:
+            case WXK_NUMPAD_F1:
+            case WXK_NUMPAD_F2:
+            case WXK_NUMPAD_F3:
+            case WXK_NUMPAD_F4:
+            case WXK_NUMPAD_HOME:
+            case WXK_NUMPAD_LEFT:
+            case WXK_NUMPAD_UP:
+            case WXK_NUMPAD_RIGHT:
+            case WXK_NUMPAD_DOWN:
+            case WXK_NUMPAD_PAGEUP:
+            case WXK_NUMPAD_PAGEDOWN:
+            case WXK_NUMPAD_END:
+            case WXK_NUMPAD_BEGIN:
+            case WXK_NUMPAD_INSERT:
+            case WXK_WINDOWS_LEFT:
+            {
+                return;
+            }
+            default:
+            {
+            }
+        }
+
+        // Must process this before translation, otherwise it's translated into a WXK_DELETE event.
+        if (event.CmdDown() && event.GetKeyCode() == WXK_BACK)
+        {
+            BeginBatchUndo(_("Delete Text"));
+
+            long newPos = m_caretPosition;
+
+            bool processed = DeleteSelectedContent(& newPos);
+
+            // Submit range in character positions, which are greater than caret positions,
+            // so subtract 1 for deleted character and add 1 for conversion to character position.
+            if (newPos > -1)
+            {
+                if (event.CmdDown())
+                {
+                    long pos = wxRichTextCtrl::FindNextWordPosition(-1);
+                    if (pos < newPos)
+                    {
+                        GetBuffer().DeleteRangeWithUndo(wxRichTextRange(pos+1, newPos), this);
+                        processed = true;
+                    }
+                }
+
+                if (!processed)
+                    GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos, newPos), this);
+            }
+
+            EndBatchUndo();
+
+            if (GetLastPosition() == -1)
+            {
+                GetBuffer().Reset();
+
+                m_caretPosition = -1;
+                PositionCaret();
+                SetDefaultStyleToCursorStyle();
+            }
+
+            ScrollIntoView(m_caretPosition, WXK_LEFT);
+
+            wxRichTextEvent cmdEvent(
+                wxEVT_COMMAND_RICHTEXT_DELETE,
+                GetId());
+            cmdEvent.SetEventObject(this);
+            cmdEvent.SetFlags(flags);
+            cmdEvent.SetPosition(m_caretPosition+1);
+            GetEventHandler()->ProcessEvent(cmdEvent);
+
+            Update();
+        }
+        else
+            event.Skip();
+
         return;
     }
 
@@ -608,6 +865,8 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
             wxString text;
             text = wxRichTextLineBreakChar;
             GetBuffer().InsertTextWithUndo(newPos+1, text, this);
+            m_caretAtLineStart = true;
+            PositionCaret();
         }
         else
             GetBuffer().InsertNewlineWithUndo(newPos+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE|wxRICHTEXT_INSERT_INTERACTIVE);
@@ -638,26 +897,27 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
     {
         BeginBatchUndo(_("Delete Text"));
 
+        long newPos = m_caretPosition;
+
+        bool processed = DeleteSelectedContent(& newPos);
+
         // Submit range in character positions, which are greater than caret positions,
         // so subtract 1 for deleted character and add 1 for conversion to character position.
-        if (m_caretPosition > -1 && !HasSelection())
+        if (newPos > -1)
         {
-            bool processed = false;
             if (event.CmdDown())
             {
                 long pos = wxRichTextCtrl::FindNextWordPosition(-1);
-                if (pos != -1 && (pos < m_caretPosition))
+                if (pos < newPos)
                 {
-                    GetBuffer().DeleteRangeWithUndo(wxRichTextRange(pos+1, m_caretPosition), this);
+                    GetBuffer().DeleteRangeWithUndo(wxRichTextRange(pos+1, newPos), this);
                     processed = true;
                 }
             }
 
             if (!processed)
-                GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition, m_caretPosition), this);
+                GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos, newPos), this);
         }
-        else
-            DeleteSelectedContent();
 
         EndBatchUndo();
 
@@ -686,13 +946,26 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
     {
         BeginBatchUndo(_("Delete Text"));
 
+        long newPos = m_caretPosition;
+
+        bool processed = DeleteSelectedContent(& newPos);
+
         // Submit range in character positions, which are greater than caret positions,
-        if (m_caretPosition < GetBuffer().GetRange().GetEnd()+1 && !HasSelection())
+        if (newPos < GetBuffer().GetRange().GetEnd()+1)
         {
-            GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition+1, m_caretPosition+1), this);
+            if (event.CmdDown())
+            {
+                long pos = wxRichTextCtrl::FindNextWordPosition(1);
+                if (pos != -1 && (pos > newPos))
+                {
+                    GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos+1, pos), this);
+                    processed = true;
+                }
+            }
+
+            if (!processed && newPos < (GetLastPosition()-1))
+                GetBuffer().DeleteRangeWithUndo(wxRichTextRange(newPos+1, newPos+1), this);
         }
-        else
-            DeleteSelectedContent();
 
         EndBatchUndo();
 
@@ -721,100 +994,6 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         switch ( keycode )
         {
             case WXK_ESCAPE:
-            case WXK_DELETE:
-            case WXK_START:
-            case WXK_LBUTTON:
-            case WXK_RBUTTON:
-            case WXK_CANCEL:
-            case WXK_MBUTTON:
-            case WXK_CLEAR:
-            case WXK_SHIFT:
-            case WXK_ALT:
-            case WXK_CONTROL:
-            case WXK_MENU:
-            case WXK_PAUSE:
-            case WXK_CAPITAL:
-            case WXK_END:
-            case WXK_HOME:
-            case WXK_LEFT:
-            case WXK_UP:
-            case WXK_RIGHT:
-            case WXK_DOWN:
-            case WXK_SELECT:
-            case WXK_PRINT:
-            case WXK_EXECUTE:
-            case WXK_SNAPSHOT:
-            case WXK_INSERT:
-            case WXK_HELP:
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_MULTIPLY:
-            case WXK_ADD:
-            case WXK_SEPARATOR:
-            case WXK_SUBTRACT:
-            case WXK_DECIMAL:
-            case WXK_DIVIDE:
-            case WXK_F1:
-            case WXK_F2:
-            case WXK_F3:
-            case WXK_F4:
-            case WXK_F5:
-            case WXK_F6:
-            case WXK_F7:
-            case WXK_F8:
-            case WXK_F9:
-            case WXK_F10:
-            case WXK_F11:
-            case WXK_F12:
-            case WXK_F13:
-            case WXK_F14:
-            case WXK_F15:
-            case WXK_F16:
-            case WXK_F17:
-            case WXK_F18:
-            case WXK_F19:
-            case WXK_F20:
-            case WXK_F21:
-            case WXK_F22:
-            case WXK_F23:
-            case WXK_F24:
-            case WXK_NUMLOCK:
-            case WXK_SCROLL:
-            case WXK_PAGEUP:
-            case WXK_PAGEDOWN:
-            case WXK_NUMPAD_SPACE:
-            case WXK_NUMPAD_TAB:
-            case WXK_NUMPAD_ENTER:
-            case WXK_NUMPAD_F1:
-            case WXK_NUMPAD_F2:
-            case WXK_NUMPAD_F3:
-            case WXK_NUMPAD_F4:
-            case WXK_NUMPAD_HOME:
-            case WXK_NUMPAD_LEFT:
-            case WXK_NUMPAD_UP:
-            case WXK_NUMPAD_RIGHT:
-            case WXK_NUMPAD_DOWN:
-            case WXK_NUMPAD_PAGEUP:
-            case WXK_NUMPAD_PAGEDOWN:
-            case WXK_NUMPAD_END:
-            case WXK_NUMPAD_BEGIN:
-            case WXK_NUMPAD_INSERT:
-            case WXK_NUMPAD_DELETE:
-            case WXK_NUMPAD_EQUAL:
-            case WXK_NUMPAD_MULTIPLY:
-            case WXK_NUMPAD_ADD:
-            case WXK_NUMPAD_SEPARATOR:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_NUMPAD_DECIMAL:
-            case WXK_WINDOWS_LEFT:
             {
                 event.Skip();
                 return;
@@ -822,7 +1001,12 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
 
             default:
             {
-                if (event.CmdDown() || event.AltDown())
+#ifdef __WXMAC__
+                if (event.CmdDown())
+#else
+                // Fixes AltGr+key with European input languages on Windows
+                if ((event.CmdDown() && !event.AltDown()) || (event.AltDown() && !event.CmdDown()))
+#endif
                 {
                     event.Skip();
                     return;
@@ -895,7 +1079,15 @@ bool wxRichTextCtrl::DeleteSelectedContent(long* newPos)
     if (HasSelection())
     {
         long pos = m_selectionRange.GetStart();
-        GetBuffer().DeleteRangeWithUndo(m_selectionRange, this);
+        wxRichTextRange range = m_selectionRange;
+
+        // SelectAll causes more to be selected than doing it interactively,
+        // and causes a new paragraph to be inserted. So for multiline buffers,
+        // don't delete the final position.
+        if (range.GetEnd() == GetLastPosition() && GetNumberOfLines() > 0)
+            range.SetEnd(range.GetEnd()-1);
+
+        GetBuffer().DeleteRangeWithUndo(range, this);
         m_selectionRange.SetRange(-2, -2);
 
         if (newPos)
@@ -1006,6 +1198,11 @@ bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags)
 {
     if (flags & wxRICHTEXT_SHIFT_DOWN)
     {
+        if (oldPos == newPos)
+            return false;
+
+        wxRichTextRange oldSelection = m_selectionRange;
+
         // If not currently selecting, start selecting
         if (m_selectionRange.GetStart() == -2)
         {
@@ -1022,10 +1219,14 @@ bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags)
             // the end.
             if (newPos > m_selectionAnchor)
                 m_selectionRange.SetRange(m_selectionAnchor+1, newPos);
+            else if (newPos == m_selectionAnchor)
+                m_selectionRange = wxRichTextRange(-2, -2);
             else
                 m_selectionRange.SetRange(newPos+1, m_selectionAnchor);
         }
 
+        RefreshForSelectionChange(oldSelection, m_selectionRange);
+
         if (m_selectionRange.GetStart() > m_selectionRange.GetEnd())
         {
             wxLogDebug(wxT("Strange selection range"));
@@ -1065,6 +1266,27 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
     bool scrolled = false;
 
     wxSize clientSize = GetClientSize();
+    clientSize.y -= GetBuffer().GetBottomMargin();
+
+    if (GetWindowStyle() & wxRE_CENTRE_CARET)
+    {
+        int y = rect.y - GetClientSize().y/2;
+        int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
+        if (y >= 0 && (y + clientSize.y) < GetBuffer().GetCachedSize().y)
+        {
+            if (startYUnits != yUnits)
+            {
+                SetScrollbars(ppuX, ppuY, sxUnits, syUnits, 0, yUnits);
+                scrolled = true;
+            }
+#if !wxRICHTEXT_USE_OWN_CARET
+            if (scrolled)
+#endif
+                PositionCaret();
+
+            return scrolled;
+        }
+    }
 
     // Going down
     if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN ||
@@ -1089,11 +1311,11 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
                 scrolled = true;
             }
         }
-        else if (rect.y < startY)
+        else if (rect.y < (startY + GetBuffer().GetTopMargin()))
         {
             // Make it scroll so this item is at the top
             // of the window
-            int y = rect.y ;
+            int y = rect.y - GetBuffer().GetTopMargin();
             int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
 
             if (startYUnits != yUnits)
@@ -1109,11 +1331,11 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
              keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME ||
              keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP )
     {
-        if (rect.y < startY)
+        if (rect.y < (startY + GetBuffer().GetBottomMargin()))
         {
             // Make it scroll so this item is at the top
             // of the window
-            int y = rect.y ;
+            int y = rect.y - GetBuffer().GetTopMargin();
             int yUnits = (int) (0.5 + ((float) y)/(float) ppuY);
 
             if (startYUnits != yUnits)
@@ -1141,7 +1363,9 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
         }
     }
 
+#if !wxRICHTEXT_USE_OWN_CARET
     if (scrolled)
+#endif
         PositionCaret();
 
     return scrolled;
@@ -1165,8 +1389,9 @@ bool wxRichTextCtrl::IsPositionVisible(long pos) const
 
     wxRect rect = line->GetRect();
     wxSize clientSize = GetClientSize();
+    clientSize.y -= GetBuffer().GetBottomMargin();
 
-    return (rect.GetBottom() > startY) && (rect.GetTop() < (startY + clientSize.y));
+    return (rect.GetBottom() > (startY + GetBuffer().GetTopMargin())) && (rect.GetTop() < (startY + clientSize.y));
 }
 
 void wxRichTextCtrl::SetCaretPosition(long position, bool showAtLineStart)
@@ -1297,8 +1522,6 @@ bool wxRichTextCtrl::MoveRight(int noPositions, int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1326,8 +1549,6 @@ bool wxRichTextCtrl::MoveLeft(int noPositions, int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1417,8 +1638,6 @@ bool wxRichTextCtrl::MoveDown(int noLines, int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1440,8 +1659,6 @@ bool wxRichTextCtrl::MoveToParagraphEnd(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1463,8 +1680,6 @@ bool wxRichTextCtrl::MoveToParagraphStart(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1488,8 +1703,6 @@ bool wxRichTextCtrl::MoveToLineEnd(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1515,8 +1728,6 @@ bool wxRichTextCtrl::MoveToLineStart(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1536,8 +1747,6 @@ bool wxRichTextCtrl::MoveHome(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1559,8 +1768,6 @@ bool wxRichTextCtrl::MoveEnd(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1600,8 +1807,6 @@ bool wxRichTextCtrl::PageDown(int noPages, int flags)
                 PositionCaret();
                 SetDefaultStyleToCursorStyle();
 
-                if (extendSel)
-                    Refresh(false);
                 return true;
             }
         }
@@ -1719,8 +1924,6 @@ bool wxRichTextCtrl::WordLeft(int WXUNUSED(n), int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1743,8 +1946,6 @@ bool wxRichTextCtrl::WordRight(int WXUNUSED(n), int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1776,6 +1977,15 @@ void wxRichTextCtrl::OnSize(wxSizeEvent& event)
 /// Idle-time processing
 void wxRichTextCtrl::OnIdle(wxIdleEvent& event)
 {
+#if wxRICHTEXT_USE_OWN_CARET
+    if (((wxRichTextCaret*) GetCaret())->GetNeedsUpdate())
+    {
+        ((wxRichTextCaret*) GetCaret())->SetNeedsUpdate(false);
+        PositionCaret();
+        GetCaret()->Show();
+    }
+#endif
+
     const int layoutInterval = wxRICHTEXT_DEFAULT_LAYOUT_INTERVAL;
 
     if (m_fullLayoutRequired && (wxGetLocalTimeMillis() > (m_fullLayoutTime + layoutInterval)))
@@ -1801,7 +2011,14 @@ void wxRichTextCtrl::OnIdle(wxIdleEvent& event)
 /// Scrolling
 void wxRichTextCtrl::OnScroll(wxScrollWinEvent& event)
 {
-    // Not used
+#if wxRICHTEXT_USE_OWN_CARET
+    if (!((wxRichTextCaret*) GetCaret())->GetNeedsUpdate())
+    {
+        GetCaret()->Hide();
+        ((wxRichTextCaret*) GetCaret())->SetNeedsUpdate();
+    }
+#endif
+
     event.Skip();
 }
 
@@ -1822,7 +2039,7 @@ void wxRichTextCtrl::SetupScrollbars(bool atTop)
     int pixelsPerUnit = 5;
     wxSize clientSize = GetClientSize();
 
-    int maxHeight = GetBuffer().GetCachedSize().y;
+    int maxHeight = GetBuffer().GetCachedSize().y + GetBuffer().GetTopMargin();
 
     // Round up so we have at least maxHeight pixels
     int unitsY = (int) (((float)maxHeight/(float)pixelsPerUnit) + 0.5);
@@ -1831,14 +2048,31 @@ void wxRichTextCtrl::SetupScrollbars(bool atTop)
     if (!atTop)
         GetViewStart(& startX, & startY);
 
-    int maxPositionX = 0; // wxMax(sz.x - clientSize.x, 0);
+    int maxPositionX = 0;
     int maxPositionY = (int) ((((float)(wxMax((unitsY*pixelsPerUnit) - clientSize.y, 0)))/((float)pixelsPerUnit)) + 0.5);
 
+    int newStartX = wxMin(maxPositionX, startX);
+    int newStartY = wxMin(maxPositionY, startY);
+
+    int oldPPUX, oldPPUY;
+    int oldStartX, oldStartY;
+    int oldVirtualSizeX = 0, oldVirtualSizeY = 0;
+    GetScrollPixelsPerUnit(& oldPPUX, & oldPPUY);
+    GetViewStart(& oldStartX, & oldStartY);
+    GetVirtualSize(& oldVirtualSizeX, & oldVirtualSizeY);
+    if (oldPPUY > 0)
+        oldVirtualSizeY /= oldPPUY;
+
+    if (oldPPUX == 0 && oldPPUY == pixelsPerUnit && oldVirtualSizeY == unitsY && oldStartX == newStartX && oldStartY == newStartY)
+        return;
+
+    // Don't set scrollbars if there were none before, and there will be none now.
+    if (oldPPUY != 0 && (oldVirtualSizeY*oldPPUY < clientSize.y) && (unitsY*pixelsPerUnit < clientSize.y))
+        return;
+
     // Move to previous scroll position if
     // possible
-    SetScrollbars(0, pixelsPerUnit,
-        0, unitsY,
-        wxMin(maxPositionX, startX), wxMin(maxPositionY, startY));
+    SetScrollbars(0, pixelsPerUnit, 0, unitsY, newStartX, newStartY);
 }
 
 /// Paint the background
@@ -1884,7 +2118,7 @@ bool wxRichTextCtrl::RecreateBuffer(const wxSize& size)
 
 bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType)
 {
-    bool success = GetBuffer().LoadFile(filename, fileType);
+    bool success = GetBuffer().LoadFile(filename, (wxRichTextFileType)fileType);
     if (success)
         m_filename = filename;
 
@@ -1908,7 +2142,7 @@ bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType)
 
 bool wxRichTextCtrl::DoSaveFile(const wxString& filename, int fileType)
 {
-    if (GetBuffer().SaveFile(filename, fileType))
+    if (GetBuffer().SaveFile(filename, (wxRichTextFileType)fileType))
     {
         m_filename = filename;
 
@@ -1948,8 +2182,7 @@ wxRichTextRange wxRichTextCtrl::AddImage(const wxImage& image)
 
 void wxRichTextCtrl::SelectAll()
 {
-    SetSelection(0, GetLastPosition()+1);
-    m_selectionAnchor = -1;
+    SetSelection(-1, -1);
 }
 
 /// Select none
@@ -1957,8 +2190,11 @@ void wxRichTextCtrl::SelectNone()
 {
     if (!(GetSelectionRange() == wxRichTextRange(-2, -2)))
     {
-        Refresh(false);
+        wxRichTextRange oldSelection = m_selectionRange;
+
         m_selectionRange = wxRichTextRange(-2, -2);
+
+        RefreshForSelectionChange(oldSelection, m_selectionRange);
     }
     m_selectionAnchor = -2;
 }
@@ -2078,7 +2314,7 @@ wxRichTextCtrl::HitTest(const wxPoint& pt,
 // set/get the controls text
 // ----------------------------------------------------------------------------
 
-wxString wxRichTextCtrl::GetValue() const
+wxString wxRichTextCtrl::DoGetValue() const
 {
     return GetBuffer().GetText();
 }
@@ -2148,7 +2384,7 @@ void wxRichTextCtrl::AppendText(const wxString& text)
 }
 
 /// Write an image at the current insertion point
-bool wxRichTextCtrl::WriteImage(const wxImage& image, int bitmapType)
+bool wxRichTextCtrl::WriteImage(const wxImage& image, wxBitmapType bitmapType)
 {
     wxRichTextImageBlock imageBlock;
 
@@ -2159,7 +2395,7 @@ bool wxRichTextCtrl::WriteImage(const wxImage& image, int bitmapType)
     return false;
 }
 
-bool wxRichTextCtrl::WriteImage(const wxString& filename, int bitmapType)
+bool wxRichTextCtrl::WriteImage(const wxString& filename, wxBitmapType bitmapType)
 {
     wxRichTextImageBlock imageBlock;
 
@@ -2175,7 +2411,7 @@ bool wxRichTextCtrl::WriteImage(const wxRichTextImageBlock& imageBlock)
     return GetBuffer().InsertImageWithUndo(m_caretPosition+1, imageBlock, this);
 }
 
-bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, int bitmapType)
+bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, wxBitmapType bitmapType)
 {
     if (bitmap.Ok())
     {
@@ -2192,7 +2428,7 @@ bool wxRichTextCtrl::WriteImage(const wxBitmap& bitmap, int bitmapType)
 /// Insert a newline (actually paragraph) at the current insertion point.
 bool wxRichTextCtrl::Newline()
 {
-    return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this);
+    return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
 }
 
 /// Insert a line break at the current insertion point.
@@ -2286,6 +2522,13 @@ bool wxRichTextCtrl::CanDeleteSelection() const
 // Accessors
 // ----------------------------------------------------------------------------
 
+void wxRichTextCtrl::SetContextMenu(wxMenu* menu)
+{
+    if (m_contextMenu && m_contextMenu != menu)
+        delete m_contextMenu;
+    m_contextMenu = menu;
+}
+
 void wxRichTextCtrl::SetEditable(bool editable)
 {
     m_editable = editable;
@@ -2298,6 +2541,8 @@ void wxRichTextCtrl::SetInsertionPoint(long pos)
     m_caretPosition = pos - 1;
 
     PositionCaret();
+
+    SetDefaultStyleToCursorStyle();
 }
 
 void wxRichTextCtrl::SetInsertionPointEnd()
@@ -2345,24 +2590,19 @@ void wxRichTextCtrl::SetSelection(long from, long to)
         to = GetLastPosition()+1;
     }
 
-    DoSetSelection(from, to);
-    SetDefaultStyleToCursorStyle();
-}
-
-void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCaret))
-{
     if (from == to)
     {
         SelectNone();
     }
     else
     {
-        m_selectionAnchor = from;
+        wxRichTextRange oldSelection = m_selectionRange;
+        m_selectionAnchor = from-1;
         m_selectionRange.SetRange(from, to-1);
-        if (from > -2)
-            m_caretPosition = from-1;
 
-        Refresh(false);
+        m_caretPosition = wxMax(-1, to-2);
+
+        RefreshForSelectionChange(oldSelection, m_selectionRange);
         PositionCaret();
     }
 }
@@ -2572,7 +2812,8 @@ void wxRichTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 
 void wxRichTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 {
-    SelectAll();
+    if (GetLastPosition() > 0)
+        SelectAll();
 }
 
 void wxRichTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
@@ -2588,20 +2829,8 @@ void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& event)
         return;
     }
 
-    if (!m_contextMenu)
-    {
-        m_contextMenu = new wxMenu;
-        m_contextMenu->Append(wxID_UNDO, _("&Undo"));
-        m_contextMenu->Append(wxID_REDO, _("&Redo"));
-        m_contextMenu->AppendSeparator();
-        m_contextMenu->Append(wxID_CUT, _("Cu&t"));
-        m_contextMenu->Append(wxID_COPY, _("&Copy"));
-        m_contextMenu->Append(wxID_PASTE, _("&Paste"));
-        m_contextMenu->Append(wxID_CLEAR, _("&Delete"));
-        m_contextMenu->AppendSeparator();
-        m_contextMenu->Append(wxID_SELECTALL, _("Select &All"));
-    }
-    PopupMenu(m_contextMenu);
+    if (m_contextMenu)
+        PopupMenu(m_contextMenu);
     return;
 }
 
@@ -2654,7 +2883,7 @@ bool wxRichTextCtrl::GetUncombinedStyle(long position, wxTextAttr& style)
 /// Set font, and also the buffer attributes
 bool wxRichTextCtrl::SetFont(const wxFont& font)
 {
-    wxControl::SetFont(font);
+    wxTextCtrlBase::SetFont(font);
 
     wxTextAttr attr = GetBuffer().GetAttributes();
     attr.SetFont(font);
@@ -2700,8 +2929,17 @@ void wxRichTextCtrl::PositionCaret()
         wxPoint pt = GetPhysicalPoint(newPt);
         if (GetCaret()->GetPosition() != pt || GetCaret()->GetSize() != newSz)
         {
+            GetCaret()->Hide();
+            if (GetCaret()->GetSize() != newSz)
+                GetCaret()->SetSize(newSz);
+
+            int halfSize = newSz.y/2;
+            // If the caret is beyond the margin, hide it by moving it out of the way
+            if (((pt.y + halfSize) < GetBuffer().GetTopMargin()) || ((pt.y + halfSize) > (GetClientSize().y - GetBuffer().GetBottomMargin())))
+                pt.y = -200;
+
             GetCaret()->Move(pt);
-            GetCaret()->SetSize(newSz);
+            GetCaret()->Show();
         }
     }
 }
@@ -2814,7 +3052,7 @@ bool wxRichTextCtrl::IsSelectionBold()
         wxTextAttr attr;
         wxRichTextRange range = GetSelectionRange();
         attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
-        attr.SetFontWeight(wxBOLD);
+        attr.SetFontWeight(wxFONTWEIGHT_BOLD);
 
         return HasCharacterAttributes(range, attr);
     }
@@ -2830,7 +3068,7 @@ bool wxRichTextCtrl::IsSelectionBold()
         {
             if (IsDefaultStyleShowing())
                 wxRichTextApplyStyle(attr, GetDefaultStyleEx());
-            return attr.GetFontWeight() == wxBOLD;
+            return attr.GetFontWeight() == wxFONTWEIGHT_BOLD;
         }
     }
     return false;
@@ -2844,7 +3082,7 @@ bool wxRichTextCtrl::IsSelectionItalics()
         wxRichTextRange range = GetSelectionRange();
         wxTextAttr attr;
         attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
-        attr.SetFontStyle(wxITALIC);
+        attr.SetFontStyle(wxFONTSTYLE_ITALIC);
 
         return HasCharacterAttributes(range, attr);
     }
@@ -2860,7 +3098,7 @@ bool wxRichTextCtrl::IsSelectionItalics()
         {
             if (IsDefaultStyleShowing())
                 wxRichTextApplyStyle(attr, GetDefaultStyleEx());
-            return attr.GetFontStyle() == wxITALIC;
+            return attr.GetFontStyle() == wxFONTSTYLE_ITALIC;
         }
     }
     return false;
@@ -2901,7 +3139,7 @@ bool wxRichTextCtrl::ApplyBoldToSelection()
 {
     wxTextAttr attr;
     attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
-    attr.SetFontWeight(IsSelectionBold() ? wxNORMAL : wxBOLD);
+    attr.SetFontWeight(IsSelectionBold() ? wxFONTWEIGHT_NORMAL : wxFONTWEIGHT_BOLD);
 
     if (HasSelection())
         return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
@@ -2919,7 +3157,7 @@ bool wxRichTextCtrl::ApplyItalicToSelection()
 {
     wxTextAttr attr;
     attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
-    attr.SetFontStyle(IsSelectionItalics() ? wxNORMAL : wxITALIC);
+    attr.SetFontStyle(IsSelectionItalics() ? wxFONTSTYLE_NORMAL : wxFONTSTYLE_ITALIC);
 
     if (HasSelection())
         return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);
@@ -3114,13 +3352,7 @@ wxRichTextRange wxRichTextCtrl::GetSelectionRange() const
 
 void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange& range)
 {
-    wxRichTextRange range1(range);
-    if (range1 != wxRichTextRange(-2,-2) && range1 != wxRichTextRange(-1,-1) )
-        range1.SetEnd(range1.GetEnd() - 1);
-
-    wxASSERT( range1.GetStart() > range1.GetEnd() );
-
-    SetInternalSelectionRange(range1);
+    SetSelection(range.GetStart(), range.GetEnd());
 }
 
 /// Set list style
@@ -3195,5 +3427,194 @@ void wxRichTextCtrl::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)
     Refresh();
 }
 
+// Refresh the area affected by a selection change
+bool wxRichTextCtrl::RefreshForSelectionChange(const wxRichTextRange& oldSelection, const wxRichTextRange& newSelection)
+{
+    // Calculate the refresh rectangle - just the affected lines
+    long firstPos, lastPos;
+    if (oldSelection.GetStart() == -2 && newSelection.GetStart() != -2)
+    {
+        firstPos = newSelection.GetStart();
+        lastPos = newSelection.GetEnd();
+    }
+    else if (oldSelection.GetStart() != -2 && newSelection.GetStart() == -2)
+    {
+        firstPos = oldSelection.GetStart();
+        lastPos = oldSelection.GetEnd();
+    }
+    else if (oldSelection.GetStart() == -2 && newSelection.GetStart() == -2)
+    {
+        return false;
+    }
+    else
+    {
+        firstPos = wxMin(oldSelection.GetStart(), newSelection.GetStart());
+        lastPos = wxMax(oldSelection.GetEnd(), newSelection.GetEnd());
+    }
+
+    wxRichTextLine* firstLine = GetBuffer().GetLineAtPosition(firstPos);
+    wxRichTextLine* lastLine = GetBuffer().GetLineAtPosition(lastPos);
+
+    if (firstLine && lastLine)
+    {
+        wxSize clientSize = GetClientSize();
+        wxPoint pt1 = GetPhysicalPoint(firstLine->GetAbsolutePosition());
+        wxPoint pt2 = GetPhysicalPoint(lastLine->GetAbsolutePosition()) + wxPoint(0, lastLine->GetSize().y);
+
+        pt1.x = 0;
+        pt1.y = wxMax(0, pt1.y);
+        pt2.x = 0;
+        pt2.y = wxMin(clientSize.y, pt2.y);
+
+        wxRect rect(pt1, wxSize(clientSize.x, pt2.y - pt1.y));
+        RefreshRect(rect, false);
+    }
+    else
+        Refresh(false);
+
+    return true;
+}
+
+#if wxRICHTEXT_USE_OWN_CARET
+
+// ----------------------------------------------------------------------------
+// initialization and destruction
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::Init()
+{
+    m_hasFocus = true;
+
+    m_xOld =
+    m_yOld = -1;
+    m_richTextCtrl = NULL;
+    m_needsUpdate = false;
+    m_flashOn = true;
+}
+
+wxRichTextCaret::~wxRichTextCaret()
+{
+    if (m_timer.IsRunning())
+        m_timer.Stop();
+}
+
+// ----------------------------------------------------------------------------
+// showing/hiding/moving the caret (base class interface)
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::DoShow()
+{
+    m_flashOn = true;
+
+    if (!m_timer.IsRunning())
+        m_timer.Start(GetBlinkTime());
+
+    Refresh();
+}
+
+void wxRichTextCaret::DoHide()
+{
+    if (m_timer.IsRunning())
+        m_timer.Stop();
+
+    Refresh();
+}
+
+void wxRichTextCaret::DoMove()
+{
+    if (IsVisible())
+    {
+        Refresh();
+
+        if (m_xOld != -1 && m_yOld != -1)
+        {
+            if (m_richTextCtrl)
+            {
+                wxRect rect(GetPosition(), GetSize());
+                m_richTextCtrl->RefreshRect(rect, false);
+            }
+        }
+    }
+
+    m_xOld = m_x;
+    m_yOld = m_y;
+}
+
+void wxRichTextCaret::DoSize()
+{
+    int countVisible = m_countVisible;
+    if (countVisible > 0)
+    {
+        m_countVisible = 0;
+        DoHide();
+    }
+
+    if (countVisible > 0)
+    {
+        m_countVisible = countVisible;
+        DoShow();
+    }
+}
+
+// ----------------------------------------------------------------------------
+// handling the focus
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::OnSetFocus()
+{
+    m_hasFocus = true;
+
+    if ( IsVisible() )
+        Refresh();
+}
+
+void wxRichTextCaret::OnKillFocus()
+{
+    m_hasFocus = false;
+}
+
+// ----------------------------------------------------------------------------
+// drawing the caret
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::Refresh()
+{
+    if (m_richTextCtrl)
+    {
+        wxRect rect(GetPosition(), GetSize());
+        m_richTextCtrl->RefreshRect(rect, false);
+    }
+}
+
+void wxRichTextCaret::DoDraw(wxDC *dc)
+{
+    dc->SetPen( *wxBLACK_PEN );
+
+    dc->SetBrush(*(m_hasFocus ? wxBLACK_BRUSH : wxTRANSPARENT_BRUSH));
+    dc->SetPen(*wxBLACK_PEN);
+
+    wxPoint pt(m_x, m_y);
+
+    if (m_richTextCtrl)
+    {
+        pt = m_richTextCtrl->GetLogicalPoint(pt);
+    }
+    if (IsVisible() && m_flashOn)
+        dc->DrawRectangle(pt.x, pt.y, m_width, m_height);
+}
+
+void wxRichTextCaret::Notify()
+{
+    m_flashOn = !m_flashOn;
+    Refresh();
+}
+
+void wxRichTextCaretTimer::Notify()
+{
+    m_caret->Notify();
+}
+#endif
+    // wxRICHTEXT_USE_OWN_CARET
+
 #endif
     // wxUSE_RICHTEXT