check that the version of __sync_sub_and_fetch that returns a value is supported...

[wxWidgets.git] / src / richtext / richtextctrl.cpp

diff --git a/src/richtext/richtextctrl.cpp b/src/richtext/richtextctrl.cpp
index c617f47cfabcf53319985d62af0a572a4c5c673e..62acf0a2fab7c46a180d28e4f7ebb1db14171364 100644 (file)
--- a/src/richtext/richtextctrl.cpp
+++ b/src/richtext/richtextctrl.cpp
@@ -22,11 +22,8 @@
 #include "wx/richtext/richtextstyles.h"
 
 #ifndef WX_PRECOMP
 #include "wx/richtext/richtextstyles.h"
 
 #ifndef WX_PRECOMP

+    #include "wx/wx.h"

     #include "wx/settings.h"
     #include "wx/settings.h"

-    #include "wx/menu.h"
-    #include "wx/intl.h"
-    #include "wx/log.h"
-    #include "wx/stopwatch.h"

 #endif
 
 #include "wx/textfile.h"
 #endif
 
 #include "wx/textfile.h"


@@ -34,32 +31,35 @@
 #include "wx/filename.h"
 #include "wx/dcbuffer.h"
 #include "wx/arrimpl.cpp"
 #include "wx/filename.h"
 #include "wx/dcbuffer.h"
 #include "wx/arrimpl.cpp"

+#include "wx/fontenum.h"

 
 // DLL options compatibility check:
 #include "wx/app.h"
 WX_CHECK_BUILD_OPTIONS("wxRichTextCtrl")
 
 
 // DLL options compatibility check:
 #include "wx/app.h"
 WX_CHECK_BUILD_OPTIONS("wxRichTextCtrl")
 

-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_ITEM_SELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_ITEM_DESELECTED)

 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_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)
+
+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)
+
+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)

 
 

-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE

 IMPLEMENT_CLASS( wxRichTextCtrl, wxControl )
 IMPLEMENT_CLASS( wxRichTextCtrl, wxControl )

-#else
-IMPLEMENT_CLASS( wxRichTextCtrl, wxScrolledWindow )
-#endif

 
 IMPLEMENT_CLASS( wxRichTextEvent, wxNotifyEvent )
 
 
 IMPLEMENT_CLASS( wxRichTextEvent, wxNotifyEvent )
 

-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE

 BEGIN_EVENT_TABLE( wxRichTextCtrl, wxControl )
 BEGIN_EVENT_TABLE( wxRichTextCtrl, wxControl )

-#else
-BEGIN_EVENT_TABLE( wxRichTextCtrl, wxScrolledWindow )
-#endif

     EVT_PAINT(wxRichTextCtrl::OnPaint)
     EVT_ERASE_BACKGROUND(wxRichTextCtrl::OnEraseBackground)
     EVT_IDLE(wxRichTextCtrl::OnIdle)
     EVT_PAINT(wxRichTextCtrl::OnPaint)
     EVT_ERASE_BACKGROUND(wxRichTextCtrl::OnEraseBackground)
     EVT_IDLE(wxRichTextCtrl::OnIdle)


@@ -74,7 +74,9 @@ BEGIN_EVENT_TABLE( wxRichTextCtrl, wxScrolledWindow )
     EVT_SIZE(wxRichTextCtrl::OnSize)
     EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus)
     EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus)
     EVT_SIZE(wxRichTextCtrl::OnSize)
     EVT_SET_FOCUS(wxRichTextCtrl::OnSetFocus)
     EVT_KILL_FOCUS(wxRichTextCtrl::OnKillFocus)

+    EVT_MOUSE_CAPTURE_LOST(wxRichTextCtrl::OnCaptureLost)

     EVT_CONTEXT_MENU(wxRichTextCtrl::OnContextMenu)
     EVT_CONTEXT_MENU(wxRichTextCtrl::OnContextMenu)

+    EVT_SYS_COLOUR_CHANGED(wxRichTextCtrl::OnSysColourChanged)

 
     EVT_MENU(wxID_UNDO, wxRichTextCtrl::OnUndo)
     EVT_UPDATE_UI(wxID_UNDO, wxRichTextCtrl::OnUpdateUndo)
 
     EVT_MENU(wxID_UNDO, wxRichTextCtrl::OnUndo)
     EVT_UPDATE_UI(wxID_UNDO, wxRichTextCtrl::OnUpdateUndo)


@@ -102,72 +104,97 @@ END_EVENT_TABLE()
  * wxRichTextCtrl
  */
 
  * wxRichTextCtrl
  */
 

+wxArrayString wxRichTextCtrl::sm_availableFontNames;
+

 wxRichTextCtrl::wxRichTextCtrl()
 wxRichTextCtrl::wxRichTextCtrl()

-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-    : wxScrollHelper(this)
-#endif
+              : wxScrollHelper(this)

 {
     Init();
 }
 
 {
     Init();
 }
 

-wxRichTextCtrl::wxRichTextCtrl( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style)
-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-    : wxScrollHelper(this)
-#endif
+wxRichTextCtrl::wxRichTextCtrl(wxWindow* parent,
+                               wxWindowID id,
+                               const wxString& value,
+                               const wxPoint& pos,
+                               const wxSize& size,
+                               long style,
+                               const wxValidator& validator,
+                               const wxString& name)
+              : wxScrollHelper(this)

 {
     Init();
 {
     Init();

-    Create(parent, id, value, pos, size, style);
+    Create(parent, id, value, pos, size, style, validator, name);

 }
 
 /// Creation
 }
 
 /// Creation

-bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style)
+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 wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-    if (!wxTextCtrlBase::Create(parent, id, pos, size, style|wxFULL_REPAINT_ON_RESIZE
-        ))
+    if (!wxControl::Create(parent, id, pos, size,
+                           style|wxFULL_REPAINT_ON_RESIZE,
+                           validator, name))

         return false;
         return false;

-#else
-    if (!wxScrolledWindow::Create(parent, id, pos, size, style|wxFULL_REPAINT_ON_RESIZE
-        ))
-        return false;
-#endif

 
     if (!GetFont().Ok())
     {
         SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
     }
 
 
     if (!GetFont().Ok())
     {
         SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
     }
 

+    GetBuffer().Reset();

     GetBuffer().SetRichTextCtrl(this);
 
     GetBuffer().SetRichTextCtrl(this);
 

-    wxTextAttrEx attributes;
+    SetCaret(new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16));
+    GetCaret()->Show();
+
+    if (style & wxTE_READONLY)
+        SetEditable(false);
+
+    // The base attributes must all have default values
+    wxTextAttr attributes;

     attributes.SetFont(GetFont());
     attributes.SetFont(GetFont());

-    attributes.SetTextColour(*wxBLACK);
-    attributes.SetBackgroundColour(*wxWHITE);
+    attributes.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));

     attributes.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
     attributes.SetAlignment(wxTEXT_ALIGNMENT_LEFT);

-    attributes.SetFlags(wxTEXT_ATTR_ALL);
+    attributes.SetLineSpacing(10);
+    attributes.SetParagraphSpacingAfter(10);
+    attributes.SetParagraphSpacingBefore(0);
+    attributes.SetTextEffects(0);
+    attributes.SetTextEffectFlags(wxTEXT_ATTR_EFFECT_STRIKETHROUGH|wxTEXT_ATTR_EFFECT_CAPITALS);

 
 

-    SetDefaultStyle(attributes);

     SetBasicStyle(attributes);
 
     SetBasicStyle(attributes);
 

-    SetBackgroundColour(*wxWHITE);
+    // The default attributes will be merged with base attributes, so
+    // can be empty to begin with
+    wxTextAttr defaultAttributes;
+    SetDefaultStyle(defaultAttributes);
+
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));

     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 
     // Tell the sizers to use the given or best size
     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
 
     // Tell the sizers to use the given or best size

-    SetBestFittingSize(size);
+    SetInitialSize(size);

 
 

+#if wxRICHTEXT_BUFFERED_PAINTING

     // Create a buffer
     RecreateBuffer(size);
     // Create a buffer
     RecreateBuffer(size);

+#endif
+
+    m_textCursor = wxCursor(wxCURSOR_IBEAM);
+    m_urlCursor = wxCursor(wxCURSOR_HAND);

 
 

-    SetCursor(wxCursor(wxCURSOR_IBEAM));
+    SetCursor(m_textCursor);

 
     if (!value.IsEmpty())
         SetValue(value);
 
 
     if (!value.IsEmpty())
         SetValue(value);
 

+    GetBuffer().AddEventHandler(this);
+

     return true;
 }
 
 wxRichTextCtrl::~wxRichTextCtrl()
 {
     return true;
 }
 
 wxRichTextCtrl::~wxRichTextCtrl()
 {

+    GetBuffer().RemoveEventHandler(this);
+

     delete m_contextMenu;
 }
 
     delete m_contextMenu;
 }
 


@@ -203,7 +230,10 @@ void wxRichTextCtrl::Thaw()
 
     if (m_freezeCount == 0)
     {
 
     if (m_freezeCount == 0)
     {

-        SetupScrollbars();
+        if (GetBuffer().GetDirty())
+            LayoutContent();
+        else
+            SetupScrollbars();

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


@@ -211,33 +241,34 @@ void wxRichTextCtrl::Thaw()
 /// Clear all text
 void wxRichTextCtrl::Clear()
 {
 /// Clear all text
 void wxRichTextCtrl::Clear()
 {

-    m_buffer.Reset();
+    m_buffer.ResetAndClearCommands();

     m_buffer.SetDirty(true);
     m_caretPosition = -1;
     m_caretPositionForDefaultStyle = -2;
     m_caretAtLineStart = false;
     m_selectionRange.SetRange(-2, -2);
 
     m_buffer.SetDirty(true);
     m_caretPosition = -1;
     m_caretPositionForDefaultStyle = -2;
     m_caretAtLineStart = false;
     m_selectionRange.SetRange(-2, -2);
 

-    SetScrollbars(0, 0, 0, 0, 0, 0);
-

     if (m_freezeCount == 0)
     {
     if (m_freezeCount == 0)
     {

-        SetupScrollbars();
+        LayoutContent();

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

-    SendUpdateEvent();
+
+    wxTextCtrl::SendTextUpdatedEvent(this);

 }
 
 /// Painting
 void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
 }
 
 /// Painting
 void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 {

-    if (GetCaret())
+    if (GetCaret() && GetCaret()->IsVisible())

         GetCaret()->Hide();
 
     {
         GetCaret()->Hide();
 
     {

+#if wxRICHTEXT_BUFFERED_PAINTING

         wxBufferedPaintDC dc(this, m_bufferBitmap);
         wxBufferedPaintDC dc(this, m_bufferBitmap);

-        //wxLogDebug(wxT("OnPaint"));
-
+#else
+        wxPaintDC dc(this);
+#endif

         PrepareDC(dc);
 
         if (m_freezeCount > 0)
         PrepareDC(dc);
 
         if (m_freezeCount > 0)


@@ -248,9 +279,11 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
         // Paint the background
         PaintBackground(dc);
 
         // Paint the background
         PaintBackground(dc);
 

-        wxRegion dirtyRegion = GetUpdateRegion();
+        // wxRect drawingArea(GetLogicalPoint(wxPoint(0, 0)), GetClientSize());
+
+        wxRect drawingArea(GetUpdateRegion().GetBox());
+        drawingArea.SetPosition(GetLogicalPoint(drawingArea.GetPosition()));

 
 

-        wxRect drawingArea(GetLogicalPoint(wxPoint(0, 0)), GetClientSize());

         wxRect availableSpace(GetClientSize());
         if (GetBuffer().GetDirty())
         {
         wxRect availableSpace(GetClientSize());
         if (GetBuffer().GetDirty())
         {


@@ -262,7 +295,7 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
         GetBuffer().Draw(dc, GetBuffer().GetRange(), GetInternalSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */);
     }
 
         GetBuffer().Draw(dc, GetBuffer().GetRange(), GetInternalSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */);
     }
 

-    if (GetCaret())
+    if (GetCaret() && !GetCaret()->IsVisible())

         GetCaret()->Show();
 
     PositionCaret();
         GetCaret()->Show();
 
     PositionCaret();


@@ -275,21 +308,29 @@ void wxRichTextCtrl::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
 
 void wxRichTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
 {
 
 void wxRichTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
 {

-    wxCaret* caret = new wxCaret(this, wxRICHTEXT_DEFAULT_CARET_WIDTH, 16);
-    SetCaret(caret);
-    caret->Show();
-    PositionCaret();
+    if (GetCaret())
+    {
+        if (!GetCaret()->IsVisible())
+            GetCaret()->Show();
+        PositionCaret();
+    }

 
 

-    if (!IsFrozen())
-        Refresh(false);
+    // if (!IsFrozen())
+    //    Refresh(false);

 }
 
 void wxRichTextCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
 {
 }
 
 void wxRichTextCtrl::OnKillFocus(wxFocusEvent& WXUNUSED(event))
 {

-    SetCaret(NULL);
+    if (GetCaret() && GetCaret()->IsVisible())
+        GetCaret()->Hide();

 
 

-    if (!IsFrozen())
-        Refresh(false);
+    // if (!IsFrozen())
+    //    Refresh(false);
+}
+
+void wxRichTextCtrl::OnCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+    m_dragging = false;

 }
 
 /// Left-click
 }
 
 /// Left-click


@@ -329,44 +370,74 @@ void wxRichTextCtrl::OnLeftClick(wxMouseEvent& event)
 
         MoveCaret(position, caretAtLineStart);
         SetDefaultStyleToCursorStyle();
 
         MoveCaret(position, caretAtLineStart);
         SetDefaultStyleToCursorStyle();

-
-#if 0
-        wxWindow* p = GetParent();
-        while (p && !p->IsKindOf(CLASSINFO(wxFrame)))
-            p = p->GetParent();
-
-        wxFrame* frame = wxDynamicCast(p, wxFrame);
-        if (frame)
-        {
-            wxString msg = wxString::Format(wxT("Found position %ld"), position);
-            frame->SetStatusText(msg, 1);
-        }
-#endif

     }
 
     event.Skip();
 }
 
 /// Left-up
     }
 
     event.Skip();
 }
 
 /// Left-up

-void wxRichTextCtrl::OnLeftUp(wxMouseEvent& WXUNUSED(event))
+void wxRichTextCtrl::OnLeftUp(wxMouseEvent& event)

 {
     if (m_dragging)
     {
         m_dragging = false;
         if (GetCapture() == this)
             ReleaseMouse();
 {
     if (m_dragging)
     {
         m_dragging = false;
         if (GetCapture() == this)
             ReleaseMouse();

+
+        // See if we clicked on a URL
+        wxClientDC dc(this);
+        PrepareDC(dc);
+        dc.SetFont(GetFont());
+
+        long position = 0;
+        wxPoint logicalPt = event.GetLogicalPosition(dc);
+        int hit = GetBuffer().HitTest(dc, logicalPt, position);
+
+        if (hit != wxRICHTEXT_HITTEST_NONE)
+        {
+            wxRichTextEvent cmdEvent(
+                wxEVT_COMMAND_RICHTEXT_LEFT_CLICK,
+                GetId());
+            cmdEvent.SetEventObject(this);
+            cmdEvent.SetPosition(m_caretPosition+1);
+
+            if (!GetEventHandler()->ProcessEvent(cmdEvent))
+            {
+                wxTextAttr attr;
+                if (GetStyle(position, attr))
+                {
+                    if (attr.HasFlag(wxTEXT_ATTR_URL))
+                    {
+                        wxString urlTarget = attr.GetURL();
+                        if (!urlTarget.IsEmpty())
+                        {
+                            wxMouseEvent mouseEvent(event);
+
+                            long startPos = 0, endPos = 0;
+                            wxRichTextObject* obj = GetBuffer().GetLeafObjectAtPosition(position);
+                            if (obj)
+                            {
+                                startPos = obj->GetRange().GetStart();
+                                endPos = obj->GetRange().GetEnd();
+                            }
+
+                            wxTextUrlEvent urlEvent(GetId(), mouseEvent, startPos, endPos);
+                            InitCommandEvent(urlEvent);
+
+                            urlEvent.SetString(urlTarget);
+
+                            GetEventHandler()->ProcessEvent(urlEvent);
+                        }
+                    }
+                }
+            }
+        }

     }
 }
 
 /// Left-click
 void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
 {
     }
 }
 
 /// Left-click
 void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
 {

-    if (!event.Dragging())
-    {
-        event.Skip();
-        return;
-    }
-

     wxClientDC dc(this);
     PrepareDC(dc);
     dc.SetFont(GetFont());
     wxClientDC dc(this);
     PrepareDC(dc);
     dc.SetFont(GetFont());


@@ -375,6 +446,34 @@ void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
     wxPoint logicalPt = event.GetLogicalPosition(dc);
     int hit = GetBuffer().HitTest(dc, logicalPt, position);
 
     wxPoint logicalPt = event.GetLogicalPosition(dc);
     int hit = GetBuffer().HitTest(dc, logicalPt, position);
 

+    // See if we need to change the cursor
+
+    {
+        if (hit != wxRICHTEXT_HITTEST_NONE && !(hit & wxRICHTEXT_HITTEST_OUTSIDE))
+        {
+            wxTextAttr attr;
+            if (GetStyle(position, attr))
+            {
+                if (attr.HasFlag(wxTEXT_ATTR_URL))
+                {
+                    SetCursor(m_urlCursor);
+                }
+                else if (!attr.HasFlag(wxTEXT_ATTR_URL))
+                {
+                    SetCursor(m_textCursor);
+                }
+            }
+        }
+        else
+            SetCursor(m_textCursor);
+    }
+
+    if (!event.Dragging())
+    {
+        event.Skip();
+        return;
+    }
+

     if (m_dragging && hit != wxRICHTEXT_HITTEST_NONE)
     {
         // TODO: test closeness
     if (m_dragging && hit != wxRICHTEXT_HITTEST_NONE)
     {
         // TODO: test closeness


@@ -411,26 +510,50 @@ void wxRichTextCtrl::OnMoveMouse(wxMouseEvent& event)
 void wxRichTextCtrl::OnRightClick(wxMouseEvent& event)
 {
     SetFocus();
 void wxRichTextCtrl::OnRightClick(wxMouseEvent& event)
 {
     SetFocus();

-    event.Skip();
+
+    wxRichTextEvent cmdEvent(
+        wxEVT_COMMAND_RICHTEXT_RIGHT_CLICK,
+        GetId());
+    cmdEvent.SetEventObject(this);
+    cmdEvent.SetPosition(m_caretPosition+1);
+
+    if (!GetEventHandler()->ProcessEvent(cmdEvent))
+        event.Skip();

 }
 
 /// Left-double-click
 }
 
 /// Left-double-click

-void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& event)
+void wxRichTextCtrl::OnLeftDClick(wxMouseEvent& WXUNUSED(event))

 {
 {

-    event.Skip();
+    wxRichTextEvent cmdEvent(
+        wxEVT_COMMAND_RICHTEXT_LEFT_DCLICK,
+        GetId());
+    cmdEvent.SetEventObject(this);
+    cmdEvent.SetPosition(m_caretPosition+1);
+
+    if (!GetEventHandler()->ProcessEvent(cmdEvent))
+    {
+        SelectWord(GetCaretPosition()+1);
+    }

 }
 
 /// Middle-click
 void wxRichTextCtrl::OnMiddleClick(wxMouseEvent& event)
 {
 }
 
 /// Middle-click
 void wxRichTextCtrl::OnMiddleClick(wxMouseEvent& event)
 {

-    event.Skip();
+    wxRichTextEvent cmdEvent(
+        wxEVT_COMMAND_RICHTEXT_MIDDLE_CLICK,
+        GetId());
+    cmdEvent.SetEventObject(this);
+    cmdEvent.SetPosition(m_caretPosition+1);
+
+    if (!GetEventHandler()->ProcessEvent(cmdEvent))
+        event.Skip();

 }
 
 /// Key press
 void wxRichTextCtrl::OnChar(wxKeyEvent& event)
 {
     int flags = 0;
 }
 
 /// Key press
 void wxRichTextCtrl::OnChar(wxKeyEvent& event)
 {
     int flags = 0;

-    if (event.ControlDown())
+    if (event.CmdDown())

         flags |= wxRICHTEXT_CTRL_DOWN;
     if (event.ShiftDown())
         flags |= wxRICHTEXT_SHIFT_DOWN;
         flags |= wxRICHTEXT_CTRL_DOWN;
     if (event.ShiftDown())
         flags |= wxRICHTEXT_SHIFT_DOWN;


@@ -444,7 +567,16 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         event.GetKeyCode() == WXK_HOME ||
         event.GetKeyCode() == WXK_PAGEUP ||
         event.GetKeyCode() == WXK_PAGEDOWN ||
         event.GetKeyCode() == WXK_HOME ||
         event.GetKeyCode() == WXK_PAGEUP ||
         event.GetKeyCode() == WXK_PAGEDOWN ||

-        event.GetKeyCode() == WXK_END)
+        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);
         return;
     {
         KeyboardNavigate(event.GetKeyCode(), flags);
         return;


@@ -466,19 +598,36 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
 
         DeleteSelectedContent(& newPos);
 
 
         DeleteSelectedContent(& newPos);
 

-        GetBuffer().InsertNewlineWithUndo(newPos+1, this);
+        if (event.ShiftDown())
+        {
+            wxString text;
+            text = wxRichTextLineBreakChar;
+            GetBuffer().InsertTextWithUndo(newPos+1, text, this);
+        }
+        else
+            GetBuffer().InsertNewlineWithUndo(newPos+1, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+
+        EndBatchUndo();
+        SetDefaultStyleToCursorStyle();
+
+        ScrollIntoView(m_caretPosition, WXK_RIGHT);

 
         wxRichTextEvent cmdEvent(
             wxEVT_COMMAND_RICHTEXT_RETURN,
             GetId());
         cmdEvent.SetEventObject(this);
         cmdEvent.SetFlags(flags);
 
         wxRichTextEvent cmdEvent(
             wxEVT_COMMAND_RICHTEXT_RETURN,
             GetId());
         cmdEvent.SetEventObject(this);
         cmdEvent.SetFlags(flags);

-        GetEventHandler()->ProcessEvent(cmdEvent);
+        cmdEvent.SetPosition(newPos+1);

 
 

-        EndBatchUndo();
-        SetDefaultStyleToCursorStyle();
+        if (!GetEventHandler()->ProcessEvent(cmdEvent))
+        {
+            // Generate conventional event
+            wxCommandEvent textEvent(wxEVT_COMMAND_TEXT_ENTER, GetId());
+            InitCommandEvent(textEvent);

 
 

-        ScrollIntoView(m_caretPosition, WXK_RIGHT);
+            GetEventHandler()->ProcessEvent(textEvent);
+        }
+        Update();

     }
     else if (event.GetKeyCode() == WXK_BACK)
     {
     }
     else if (event.GetKeyCode() == WXK_BACK)
     {


@@ -488,17 +637,13 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         // so subtract 1 for deleted character and add 1 for conversion to character position.
         if (m_caretPosition > -1 && !HasSelection())
         {
         // so subtract 1 for deleted character and add 1 for conversion to character position.
         if (m_caretPosition > -1 && !HasSelection())
         {

-            GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition, m_caretPosition),
-                m_caretPosition,   // Current caret position
-                m_caretPosition-1, // New caret position
-                this);
+            GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition, m_caretPosition), this);

         }
         else
             DeleteSelectedContent();
 
         EndBatchUndo();
 
         }
         else
             DeleteSelectedContent();
 
         EndBatchUndo();
 

-        // Shouldn't this be in Do()?

         if (GetLastPosition() == -1)
         {
             GetBuffer().Reset();
         if (GetLastPosition() == -1)
         {
             GetBuffer().Reset();


@@ -509,6 +654,16 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         }
 
         ScrollIntoView(m_caretPosition, WXK_LEFT);
         }
 
         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 if (event.GetKeyCode() == WXK_DELETE)
     {
     }
     else if (event.GetKeyCode() == WXK_DELETE)
     {


@@ -517,17 +672,13 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
         // Submit range in character positions, which are greater than caret positions,
         if (m_caretPosition < GetBuffer().GetRange().GetEnd()+1 && !HasSelection())
         {
         // Submit range in character positions, which are greater than caret positions,
         if (m_caretPosition < GetBuffer().GetRange().GetEnd()+1 && !HasSelection())
         {

-            GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition+1, m_caretPosition+1),
-                m_caretPosition,   // Current caret position
-                m_caretPosition+1, // New caret position
-                this);
+            GetBuffer().DeleteRangeWithUndo(wxRichTextRange(m_caretPosition+1, m_caretPosition+1), this);

         }
         else
             DeleteSelectedContent();
 
         EndBatchUndo();
 
         }
         else
             DeleteSelectedContent();
 
         EndBatchUndo();
 

-        // Shouldn't this be in Do()?

         if (GetLastPosition() == -1)
         {
             GetBuffer().Reset();
         if (GetLastPosition() == -1)
         {
             GetBuffer().Reset();


@@ -536,21 +687,188 @@ void wxRichTextCtrl::OnChar(wxKeyEvent& event)
             PositionCaret();
             SetDefaultStyleToCursorStyle();
         }
             PositionCaret();
             SetDefaultStyleToCursorStyle();
         }

+
+        wxRichTextEvent cmdEvent(
+            wxEVT_COMMAND_RICHTEXT_DELETE,
+            GetId());
+        cmdEvent.SetEventObject(this);
+        cmdEvent.SetFlags(flags);
+        cmdEvent.SetPosition(m_caretPosition+1);
+        GetEventHandler()->ProcessEvent(cmdEvent);
+
+        Update();

     }
     else
     {
     }
     else
     {

-        BeginBatchUndo(_("Insert Text"));
+        long keycode = event.GetKeyCode();
+        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;
+            }

 
 

-        long newPos = m_caretPosition;
-        DeleteSelectedContent(& newPos);
+            default:
+            {
+                if (event.CmdDown() || event.AltDown())
+                {
+                    event.Skip();
+                    return;
+                }

 
 

-        wxString str = (wxChar) event.GetKeyCode();
-        GetBuffer().InsertTextWithUndo(newPos+1, str, this);
+                wxRichTextEvent cmdEvent(
+                    wxEVT_COMMAND_RICHTEXT_CHARACTER,
+                    GetId());
+                cmdEvent.SetEventObject(this);
+                cmdEvent.SetFlags(flags);
+#if wxUSE_UNICODE
+                cmdEvent.SetCharacter(event.GetUnicodeKey());
+#else
+                cmdEvent.SetCharacter((wxChar) keycode);
+#endif
+                cmdEvent.SetPosition(m_caretPosition+1);

 
 

-        EndBatchUndo();
+                if (keycode == wxT('\t'))
+                {
+                    // See if we need to promote or demote the selection or paragraph at the cursor
+                    // position, instead of inserting a tab.
+                    long pos = GetAdjustedCaretPosition(GetCaretPosition());
+                    wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(pos);
+                    if (para && para->GetRange().GetStart() == pos && para->GetAttributes().HasListStyleName())
+                    {
+                        wxRichTextRange range;
+                        if (HasSelection())
+                            range = GetSelectionRange();
+                        else
+                            range = para->GetRange().FromInternal();
+
+                        int promoteBy = event.ShiftDown() ? 1 : -1;
+
+                        PromoteList(promoteBy, range, NULL);
+
+                        GetEventHandler()->ProcessEvent(cmdEvent);
+
+                        return;
+                    }
+                }

 
 

-        SetDefaultStyleToCursorStyle();
-        ScrollIntoView(m_caretPosition, WXK_RIGHT);
+                BeginBatchUndo(_("Insert Text"));
+
+                long newPos = m_caretPosition;
+                DeleteSelectedContent(& newPos);
+
+#if wxUSE_UNICODE
+                wxString str = event.GetUnicodeKey();
+#else
+                wxString str = (wxChar) event.GetKeyCode();
+#endif
+                GetBuffer().InsertTextWithUndo(newPos+1, str, this, 0);
+
+                EndBatchUndo();
+
+                SetDefaultStyleToCursorStyle();
+                ScrollIntoView(m_caretPosition, WXK_RIGHT);
+
+                GetEventHandler()->ProcessEvent(cmdEvent);
+
+                Update();
+            }
+        }

     }
 }
 
     }
 }
 


@@ -560,10 +878,7 @@ bool wxRichTextCtrl::DeleteSelectedContent(long* newPos)
     if (HasSelection())
     {
         long pos = m_selectionRange.GetStart();
     if (HasSelection())
     {
         long pos = m_selectionRange.GetStart();

-        GetBuffer().DeleteRangeWithUndo(m_selectionRange,
-            m_caretPosition,       // Current caret position
-            pos,    // New caret position
-            this);
+        GetBuffer().DeleteRangeWithUndo(m_selectionRange, this);

         m_selectionRange.SetRange(-2, -2);
 
         if (newPos)
         m_selectionRange.SetRange(-2, -2);
 
         if (newPos)


@@ -609,50 +924,50 @@ bool wxRichTextCtrl::KeyboardNavigate(int keyCode, int flags)
 {
     bool success = false;
 
 {
     bool success = false;
 

-    if (keyCode == WXK_RIGHT)
+    if (keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT)

     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = WordRight(1, flags);
         else
             success = MoveRight(1, flags);
     }
     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = WordRight(1, flags);
         else
             success = MoveRight(1, flags);
     }

-    else if (keyCode == WXK_LEFT)
+    else if (keyCode == WXK_LEFT || keyCode == WXK_NUMPAD_LEFT)

     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = WordLeft(1, flags);
         else
             success = MoveLeft(1, flags);
     }
     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = WordLeft(1, flags);
         else
             success = MoveLeft(1, flags);
     }

-    else if (keyCode == WXK_UP)
+    else if (keyCode == WXK_UP || keyCode == WXK_NUMPAD_UP)

     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveToParagraphStart(flags);
         else
             success = MoveUp(1, flags);
     }
     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveToParagraphStart(flags);
         else
             success = MoveUp(1, flags);
     }

-    else if (keyCode == WXK_DOWN)
+    else if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN)

     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveToParagraphEnd(flags);
         else
             success = MoveDown(1, flags);
     }
     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveToParagraphEnd(flags);
         else
             success = MoveDown(1, flags);
     }

-    else if (keyCode == WXK_PAGEUP)
+    else if (keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP)

     {
         success = PageUp(1, flags);
     }
     {
         success = PageUp(1, flags);
     }

-    else if (keyCode == WXK_PAGEDOWN)
+    else if (keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN)

     {
         success = PageDown(1, flags);
     }
     {
         success = PageDown(1, flags);
     }

-    else if (keyCode == WXK_HOME)
+    else if (keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME)

     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveHome(flags);
         else
             success = MoveToLineStart(flags);
     }
     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveHome(flags);
         else
             success = MoveToLineStart(flags);
     }

-    else if (keyCode == WXK_END)
+    else if (keyCode == WXK_END || keyCode == WXK_NUMPAD_END)

     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveEnd(flags);
     {
         if (flags & wxRICHTEXT_CTRL_DOWN)
             success = MoveEnd(flags);


@@ -735,7 +1050,10 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
     wxSize clientSize = GetClientSize();
 
     // Going down
     wxSize clientSize = GetClientSize();
 
     // Going down

-    if (keyCode == WXK_DOWN || keyCode == WXK_RIGHT || keyCode == WXK_END || keyCode == WXK_PAGEDOWN)
+    if (keyCode == WXK_DOWN || keyCode == WXK_NUMPAD_DOWN ||
+        keyCode == WXK_RIGHT || keyCode == WXK_NUMPAD_RIGHT ||
+        keyCode == WXK_END || keyCode == WXK_NUMPAD_END ||
+        keyCode == WXK_PAGEDOWN || keyCode == WXK_NUMPAD_PAGEDOWN)

     {
         if ((rect.y + rect.height) > (clientSize.y + startY))
         {
     {
         if ((rect.y + rect.height) > (clientSize.y + startY))
         {


@@ -769,7 +1087,10 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
         }
     }
     // Going up
         }
     }
     // Going up

-    else if (keyCode == WXK_UP || keyCode == WXK_LEFT || keyCode == WXK_HOME || keyCode == WXK_PAGEUP )
+    else if (keyCode == WXK_UP  || keyCode == WXK_NUMPAD_UP ||
+             keyCode == WXK_LEFT || keyCode == WXK_NUMPAD_LEFT ||
+             keyCode == WXK_HOME || keyCode == WXK_NUMPAD_HOME ||
+             keyCode == WXK_PAGEUP || keyCode == WXK_NUMPAD_PAGEUP )

     {
         if (rect.y < startY)
         {
     {
         if (rect.y < startY)
         {


@@ -823,17 +1144,10 @@ bool wxRichTextCtrl::IsPositionVisible(long pos) const
     startX = 0;
     startY = startY * ppuY;
 
     startX = 0;
     startY = startY * ppuY;
 

-    int sx = 0, sy = 0;
-    GetVirtualSize(& sx, & sy);
-    sx = 0;
-    if (ppuY != 0)
-        sy = sy/ppuY;
-

     wxRect rect = line->GetRect();
     wxRect rect = line->GetRect();

-

     wxSize clientSize = GetClientSize();
 
     wxSize clientSize = GetClientSize();
 

-    return !(((rect.y + rect.height) > (clientSize.y + startY)) || rect.y < startY);
+    return (rect.GetBottom() > startY) && (rect.GetTop() < (startY + clientSize.y));

 }
 
 void wxRichTextCtrl::SetCaretPosition(long position, bool showAtLineStart)
 }
 
 void wxRichTextCtrl::SetCaretPosition(long position, bool showAtLineStart)


@@ -1054,7 +1368,7 @@ bool wxRichTextCtrl::MoveDown(int noLines, int flags)
         // we want to be at the end of the last line but with m_caretAtLineStart set to true,
         // so we view the caret at the start of the line.
         bool caretLineStart = false;
         // we want to be at the end of the last line but with m_caretAtLineStart set to true,
         // so we view the caret at the start of the line.
         bool caretLineStart = false;

-        if (hitTest == wxRICHTEXT_HITTEST_BEFORE)
+        if (hitTest & wxRICHTEXT_HITTEST_BEFORE)

         {
             wxRichTextLine* thisLine = GetBuffer().GetLineAtPosition(newPos-1);
             wxRichTextRange lineRange;
         {
             wxRichTextLine* thisLine = GetBuffer().GetLineAtPosition(newPos-1);
             wxRichTextRange lineRange;


@@ -1277,6 +1591,11 @@ bool wxRichTextCtrl::PageDown(int noPages, int flags)
     return false;
 }
 
     return false;
 }
 

+static bool wxRichTextCtrlIsWhitespace(const wxString& str)
+{
+    return str == wxT(" ") || str == wxT("\t");
+}
+

 // Finds the caret position for the next word
 long wxRichTextCtrl::FindNextWordPosition(int direction) const
 {
 // Finds the caret position for the next word
 long wxRichTextCtrl::FindNextWordPosition(int direction) const
 {


@@ -1291,7 +1610,12 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));

-            if (text != wxT(" ") && !text.empty())
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+            if (line && (i == line->GetAbsoluteRange().GetEnd()))
+            {
+                break;
+            }
+            else if (!wxRichTextCtrlIsWhitespace(text) && !text.empty())

                 i += direction;
             else
             {
                 i += direction;
             else
             {


@@ -1302,9 +1626,13 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));

+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+            if (line && (i == line->GetAbsoluteRange().GetEnd()))
+                return wxMax(-1, i);
+

             if (text.empty()) // End of paragraph, or maybe an image
                 return wxMax(-1, i - 1);
             if (text.empty()) // End of paragraph, or maybe an image
                 return wxMax(-1, i - 1);

-            else if (text == wxT(" ") || text.empty())
+            else if (wxRichTextCtrlIsWhitespace(text) || text.empty())

                 i += direction;
             else
             {
                 i += direction;
             else
             {


@@ -1325,9 +1653,11 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));

-            if (text.empty()) // End of paragraph, or maybe an image
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+
+            if (text.empty() || (line && (i == line->GetAbsoluteRange().GetStart()))) // End of paragraph, or maybe an image

                 break;
                 break;

-            else if (text == wxT(" ") || text.empty())
+            else if (wxRichTextCtrlIsWhitespace(text) || text.empty())

                 i += direction;
             else
                 break;
                 i += direction;
             else
                 break;


@@ -1337,7 +1667,11 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));
         {
             // i is in character, not caret positions
             wxString text = GetBuffer().GetTextForRange(wxRichTextRange(i, i));

-            if (text != wxT(" ") /* && !text.empty() */)
+            wxRichTextLine* line = GetBuffer().GetLineAtPosition(i, false);
+            if (line && line->GetAbsoluteRange().GetStart() == i)
+                return i-1;
+
+            if (!wxRichTextCtrlIsWhitespace(text) /* && !text.empty() */)

                 i += direction;
             else
             {
                 i += direction;
             else
             {


@@ -1412,7 +1746,9 @@ void wxRichTextCtrl::OnSize(wxSizeEvent& event)
     else
         GetBuffer().Invalidate(wxRICHTEXT_ALL);
 
     else
         GetBuffer().Invalidate(wxRICHTEXT_ALL);
 

+#if wxRICHTEXT_BUFFERED_PAINTING

     RecreateBuffer();
     RecreateBuffer();

+#endif

 
     event.Skip();
 }
 
     event.Skip();
 }


@@ -1506,6 +1842,7 @@ void wxRichTextCtrl::PaintBackground(wxDC& dc)
     dc.DrawRectangle(windowRect);
 }
 
     dc.DrawRectangle(windowRect);
 }
 

+#if wxRICHTEXT_BUFFERED_PAINTING

 /// Recreate buffer bitmap if necessary
 bool wxRichTextCtrl::RecreateBuffer(const wxSize& size)
 {
 /// Recreate buffer bitmap if necessary
 bool wxRichTextCtrl::RecreateBuffer(const wxSize& size)
 {


@@ -1520,32 +1857,12 @@ bool wxRichTextCtrl::RecreateBuffer(const wxSize& size)
         m_bufferBitmap = wxBitmap(sz.x, sz.y);
     return m_bufferBitmap.Ok();
 }
         m_bufferBitmap = wxBitmap(sz.x, sz.y);
     return m_bufferBitmap.Ok();
 }

+#endif

 
 // ----------------------------------------------------------------------------
 // file IO functions
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // file IO functions
 // ----------------------------------------------------------------------------
 

-#if !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-bool wxRichTextCtrl::LoadFile(const wxString& filename, int fileType)
-{
-    return DoLoadFile(filename, fileType);    
-}
-
-bool wxRichTextCtrl::SaveFile(const wxString& filename, int fileType)
-{
-    wxString filenameToUse = filename.empty() ? m_filename : filename;
-    if ( filenameToUse.empty() )
-    {
-        // what kind of message to give? is it an error or a program bug?
-        wxLogDebug(wxT("Can't save textctrl to file without filename."));
-
-        return false;
-    }
-
-    return DoSaveFile(filenameToUse, fileType);
-}
-#endif
-

 bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType)
 {
     bool success = GetBuffer().LoadFile(filename, fileType);
 bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType)
 {
     bool success = GetBuffer().LoadFile(filename, fileType);


@@ -1558,7 +1875,7 @@ bool wxRichTextCtrl::DoLoadFile(const wxString& filename, int fileType)
     PositionCaret();
     SetupScrollbars(true);
     Refresh(false);
     PositionCaret();
     SetupScrollbars(true);
     Refresh(false);

-    SendUpdateEvent();
+    wxTextCtrl::SendTextUpdatedEvent(this);

 
     if (success)
         return true;
 
     if (success)
         return true;


@@ -1620,29 +1937,66 @@ void wxRichTextCtrl::SelectNone()
     m_selectionAnchor = -2;
 }
 
     m_selectionAnchor = -2;
 }
 

-wxString wxRichTextCtrl::GetStringSelection() const
+static bool wxIsWordDelimiter(const wxString& text)

 {
 {

-    long from, to;
-    GetSelection(&from, &to);
-
-    return GetRange(from, to);
+    return !text.IsEmpty() && !wxIsalnum(text[0]);

 }
 
 }
 

-// do the window-specific processing after processing the update event
-#if !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE
-void wxRichTextCtrl::DoUpdateWindowUI(wxUpdateUIEvent& event)
+/// Select the word at the given character position
+bool wxRichTextCtrl::SelectWord(long position)

 {
 {

-    // call inherited
-    wxWindowBase::DoUpdateWindowUI(event);
+    if (position < 0 || position > GetBuffer().GetRange().GetEnd())
+        return false;
+
+    wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(position);
+    if (!para)
+        return false;
+
+    long positionStart = position;
+    long positionEnd = position;
+
+    for (positionStart = position; positionStart >= para->GetRange().GetStart(); positionStart --)
+    {
+        wxString text = GetBuffer().GetTextForRange(wxRichTextRange(positionStart, positionStart));
+        if (wxIsWordDelimiter(text))
+        {
+            positionStart ++;
+            break;
+        }
+    }
+    if (positionStart < para->GetRange().GetStart())
+        positionStart = para->GetRange().GetStart();
+
+    for (positionEnd = position; positionEnd < para->GetRange().GetEnd(); positionEnd ++)
+    {
+        wxString text = GetBuffer().GetTextForRange(wxRichTextRange(positionEnd, positionEnd));
+        if (wxIsWordDelimiter(text))
+        {
+            positionEnd --;
+            break;
+        }
+    }
+    if (positionEnd >= para->GetRange().GetEnd())
+        positionEnd = para->GetRange().GetEnd();
+
+    SetSelection(positionStart, positionEnd+1);

 
 

-    // update text
-    if ( event.GetSetText() )
+    if (positionStart >= 0)

     {
     {

-        if ( event.GetText() != GetValue() )
-            SetValue(event.GetText());
+        MoveCaret(positionStart-1, true);
+        SetDefaultStyleToCursorStyle();

     }
     }

+
+    return true;
+}
+
+wxString wxRichTextCtrl::GetStringSelection() const
+{
+    long from, to;
+    GetSelection(&from, &to);
+
+    return GetRange(from, to);

 }
 }

-#endif // !wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE

 
 // ----------------------------------------------------------------------------
 // hit testing
 
 // ----------------------------------------------------------------------------
 // hit testing


@@ -1678,17 +2032,12 @@ wxRichTextCtrl::HitTest(const wxPoint& pt,
 
     int hit = ((wxRichTextCtrl*)this)->GetBuffer().HitTest(dc, pt2, *pos);
 
 
     int hit = ((wxRichTextCtrl*)this)->GetBuffer().HitTest(dc, pt2, *pos);
 

-    switch ( hit )
-    {
-        case wxRICHTEXT_HITTEST_BEFORE:
-            return wxTE_HT_BEFORE;
-
-        case wxRICHTEXT_HITTEST_AFTER:
-            return wxTE_HT_BEYOND;
-
-        case wxRICHTEXT_HITTEST_ON:
-            return wxTE_HT_ON_TEXT;
-    }
+    if ((hit & wxRICHTEXT_HITTEST_BEFORE) && (hit & wxRICHTEXT_HITTEST_OUTSIDE))
+        return wxTE_HT_BEFORE;
+    else if ((hit & wxRICHTEXT_HITTEST_AFTER) && (hit & wxRICHTEXT_HITTEST_OUTSIDE))
+        return wxTE_HT_BEYOND;
+    else if (hit & (wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_AFTER))
+        return wxTE_HT_ON_TEXT;

 
     return wxTE_HT_UNKNOWN;
 }
 
     return wxTE_HT_UNKNOWN;
 }


@@ -1708,31 +2057,25 @@ wxString wxRichTextCtrl::GetRange(long from, long to) const
     return GetBuffer().GetTextForRange(wxRichTextRange(from, to-1));
 }
 
     return GetBuffer().GetTextForRange(wxRichTextRange(from, to-1));
 }
 

-void wxRichTextCtrl::SetValue(const wxString& value)
+void wxRichTextCtrl::DoSetValue(const wxString& value, int flags)

 {
     Clear();
 
 {
     Clear();
 

-    // if the text is long enough, it's faster to just set it instead of first
-    // comparing it with the old one (chances are that it will be different
-    // anyhow, this comparison is there to avoid flicker for small single-line
-    // edit controls mostly)
-    if ( (value.length() > 0x400) || (value != GetValue()) )
+    if (!value.IsEmpty())

     {
     {

-        DoWriteText(value, false /* not selection only */);
+        // Remove empty paragraph
+        GetBuffer().Clear();
+        DoWriteText(value);

 
         // for compatibility, don't move the cursor when doing SetValue()
         SetInsertionPoint(0);
     }
 
         // for compatibility, don't move the cursor when doing SetValue()
         SetInsertionPoint(0);
     }

-    else // same text
+    else

     {
         // still send an event for consistency
     {
         // still send an event for consistency

-        SendUpdateEvent();
+        if (flags & SetValue_SendEvent)
+            wxTextCtrl::SendTextUpdatedEvent(this);

     }
     }

-
-    // we should reset the modified flag even if the value didn't really change
-
-    // mark the control as being not dirty - we changed its text, not the
-    // user

     DiscardEdits();
 }
 
     DiscardEdits();
 }
 


@@ -1741,9 +2084,14 @@ void wxRichTextCtrl::WriteText(const wxString& value)
     DoWriteText(value);
 }
 
     DoWriteText(value);
 }
 

-void wxRichTextCtrl::DoWriteText(const wxString& value, bool WXUNUSED(selectionOnly))
+void wxRichTextCtrl::DoWriteText(const wxString& value, int flags)

 {
 {

-    GetBuffer().InsertTextWithUndo(m_caretPosition+1, value, this);
+    wxString valueUnix = wxTextFile::Translate(value, wxTextFileType_Unix);
+
+    GetBuffer().InsertTextWithUndo(m_caretPosition+1, valueUnix, this, wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+
+    if ( flags & SetValue_SendEvent )
+        wxTextCtrl::SendTextUpdatedEvent(this);

 }
 
 void wxRichTextCtrl::AppendText(const wxString& text)
 }
 
 void wxRichTextCtrl::AppendText(const wxString& text)


@@ -1801,6 +2149,13 @@ bool wxRichTextCtrl::Newline()
     return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this);
 }
 
     return GetBuffer().InsertNewlineWithUndo(m_caretPosition+1, this);
 }
 

+/// Insert a line break at the current insertion point.
+bool wxRichTextCtrl::LineBreak()
+{
+    wxString text;
+    text = wxRichTextLineBreakChar;
+    return GetBuffer().InsertTextWithUndo(m_caretPosition+1, text, this);
+}

 
 // ----------------------------------------------------------------------------
 // Clipboard operations
 
 // ----------------------------------------------------------------------------
 // Clipboard operations


@@ -1810,7 +2165,7 @@ void wxRichTextCtrl::Copy()
 {
     if (CanCopy())
     {
 {
     if (CanCopy())
     {

-        wxRichTextRange range = GetSelectionRange();
+        wxRichTextRange range = GetInternalSelectionRange();

         GetBuffer().CopyToClipboard(range);
     }
 }
         GetBuffer().CopyToClipboard(range);
     }
 }


@@ -1819,7 +2174,7 @@ void wxRichTextCtrl::Cut()
 {
     if (CanCut())
     {
 {
     if (CanCut())
     {

-        wxRichTextRange range = GetSelectionRange();
+        wxRichTextRange range = GetInternalSelectionRange();

         GetBuffer().CopyToClipboard(range);
 
         DeleteSelectedContent();
         GetBuffer().CopyToClipboard(range);
 
         DeleteSelectedContent();


@@ -1949,6 +2304,9 @@ void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCare
 {
     m_selectionAnchor = from;
     m_selectionRange.SetRange(from, to-1);
 {
     m_selectionAnchor = from;
     m_selectionRange.SetRange(from, to-1);

+    if (from > -2)
+        m_caretPosition = from-1;
+

     Refresh(false);
     PositionCaret();
 }
     Refresh(false);
     PositionCaret();
 }


@@ -1957,13 +2315,14 @@ void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCare
 // Editing
 // ----------------------------------------------------------------------------
 
 // Editing
 // ----------------------------------------------------------------------------
 

-void wxRichTextCtrl::Replace(long WXUNUSED(from), long WXUNUSED(to), const wxString& value)
+void wxRichTextCtrl::Replace(long WXUNUSED(from), long WXUNUSED(to),
+                             const wxString& value)

 {
     BeginBatchUndo(_("Replace"));
 
     DeleteSelectedContent();
 
 {
     BeginBatchUndo(_("Replace"));
 
     DeleteSelectedContent();
 

-    DoWriteText(value, true /* selection only */);
+    DoWriteText(value, SetValue_SelectionOnly);

 
     EndBatchUndo();
 }
 
     EndBatchUndo();
 }


@@ -1972,10 +2331,7 @@ void wxRichTextCtrl::Remove(long from, long to)
 {
     SelectNone();
 
 {
     SelectNone();
 

-    GetBuffer().DeleteRangeWithUndo(wxRichTextRange(from, to),
-        m_caretPosition,       // Current caret position
-        from,                           // New caret position
-        this);
+    GetBuffer().DeleteRangeWithUndo(wxRichTextRange(from, to), this);

 
     LayoutContent();
     if (!IsFrozen())
 
     LayoutContent();
     if (!IsFrozen())


@@ -2087,39 +2443,6 @@ void wxRichTextCtrl::OnDropFiles(wxDropFilesEvent& event)
     }
 }
 
     }
 }
 

-// ----------------------------------------------------------------------------
-// text control event processing
-// ----------------------------------------------------------------------------
-
-bool wxRichTextCtrl::SendUpdateEvent()
-{
-    wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
-    InitCommandEvent(event);
-
-    return GetEventHandler()->ProcessEvent(event);
-}
-
-void wxRichTextCtrl::InitCommandEvent(wxCommandEvent& event) const
-{
-    event.SetEventObject((wxControlBase *)this);    // const_cast
-
-    switch ( m_clientDataType )
-    {
-        case wxClientData_Void:
-            event.SetClientData(GetClientData());
-            break;
-
-        case wxClientData_Object:
-            event.SetClientObject(GetClientObject());
-            break;
-
-        case wxClientData_None:
-            // nothing to do
-            ;
-    }
-}
-
-

 wxSize wxRichTextCtrl::DoGetBestSize() const
 {
     return wxSize(10, 10);
 wxSize wxRichTextCtrl::DoGetBestSize() const
 {
     return wxSize(10, 10);


@@ -2201,8 +2524,14 @@ void wxRichTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
     event.Enable(GetLastPosition() > 0);
 }
 
     event.Enable(GetLastPosition() > 0);
 }
 

-void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& WXUNUSED(event))
+void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& event)

 {
 {

+    if (event.GetEventObject() != this)
+    {
+        event.Skip();
+        return;
+    }
+

     if (!m_contextMenu)
     {
         m_contextMenu = new wxMenu;
     if (!m_contextMenu)
     {
         m_contextMenu = new wxMenu;


@@ -2220,34 +2549,28 @@ void wxRichTextCtrl::OnContextMenu(wxContextMenuEvent& WXUNUSED(event))
     return;
 }
 
     return;
 }
 

-bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttrEx& style)
-{
-    return GetBuffer().SetStyle(wxRichTextRange(start, end-1), style);
-}
-

 bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 {
 bool wxRichTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 {

-    return GetBuffer().SetStyle(wxRichTextRange(start, end-1), wxTextAttrEx(style));
+    return GetBuffer().SetStyle(wxRichTextRange(start, end-1), wxTextAttr(style));

 }
 
 }
 

-bool wxRichTextCtrl::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style)
+bool wxRichTextCtrl::SetStyle(const wxRichTextRange& range, const wxTextAttr& style)

 {
     return GetBuffer().SetStyle(range.ToInternal(), style);
 }
 
 {
     return GetBuffer().SetStyle(range.ToInternal(), style);
 }
 

-bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttrEx& style)
-{
-    return GetBuffer().SetDefaultStyle(style);
-}
+// extended style setting operation with flags including:
+// wxRICHTEXT_SETSTYLE_WITH_UNDO, wxRICHTEXT_SETSTYLE_OPTIMIZE, wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY.
+// see richtextbuffer.h for more details.

 
 

-bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttr& style)
+bool wxRichTextCtrl::SetStyleEx(const wxRichTextRange& range, const wxTextAttr& style, int flags)

 {
 {

-    return GetBuffer().SetDefaultStyle(wxTextAttrEx(style));
+    return GetBuffer().SetStyle(range.ToInternal(), style, flags);

 }
 
 }
 

-const wxTextAttrEx& wxRichTextCtrl::GetDefaultStyleEx() const
+bool wxRichTextCtrl::SetDefaultStyle(const wxTextAttr& style)

 {
 {

-    return GetBuffer().GetDefaultStyle();
+    return GetBuffer().SetDefaultStyle(wxTextAttr(style));

 }
 
 const wxTextAttr& wxRichTextCtrl::GetDefaultStyle() const
 }
 
 const wxTextAttr& wxRichTextCtrl::GetDefaultStyle() const


@@ -2257,39 +2580,32 @@ const wxTextAttr& wxRichTextCtrl::GetDefaultStyle() const
 
 bool wxRichTextCtrl::GetStyle(long position, wxTextAttr& style)
 {
 
 bool wxRichTextCtrl::GetStyle(long position, wxTextAttr& style)
 {

-    wxTextAttrEx attr;
-    if (GetBuffer().GetStyle(position, attr))
-    {
-        style = attr;
-        return true;
-    }
-    else
-        return false;
+    return GetBuffer().GetStyle(position, style);

 }
 
 }
 

-bool wxRichTextCtrl::GetStyle(long position, wxTextAttrEx& style)
+// get the common set of styles for the range
+bool wxRichTextCtrl::GetStyleForRange(const wxRichTextRange& range, wxTextAttr& style)

 {
 {

-    return GetBuffer().GetStyle(position, style);
+    return GetBuffer().GetStyleForRange(range.ToInternal(), style);

 }
 
 }
 

-bool wxRichTextCtrl::GetStyle(long position, wxRichTextAttr& style)
+/// Get the content (uncombined) attributes for this position.
+bool wxRichTextCtrl::GetUncombinedStyle(long position, wxTextAttr& style)

 {
 {

-    return GetBuffer().GetStyle(position, style);
+    return GetBuffer().GetUncombinedStyle(position, style);

 }
 
 /// Set font, and also the buffer attributes
 bool wxRichTextCtrl::SetFont(const wxFont& font)
 {
 }
 
 /// Set font, and also the buffer attributes
 bool wxRichTextCtrl::SetFont(const wxFont& font)
 {

-#if wxRICHTEXT_DERIVES_FROM_TEXTCTRLBASE

     wxControl::SetFont(font);
     wxControl::SetFont(font);

-#else
-    wxScrolledWindow::SetFont(font);
-#endif

 
 

-    wxTextAttrEx attr = GetBuffer().GetAttributes();
+    wxTextAttr attr = GetBuffer().GetAttributes();

     attr.SetFont(font);
     GetBuffer().SetBasicStyle(attr);
     attr.SetFont(font);
     GetBuffer().SetBasicStyle(attr);

-    GetBuffer().SetDefaultStyle(attr);
+
+    GetBuffer().Invalidate(wxRICHTEXT_ALL);
+    Refresh(false);

 
     return true;
 }
 
     return true;
 }


@@ -2323,12 +2639,13 @@ void wxRichTextCtrl::PositionCaret()
     wxRect caretRect;
     if (GetCaretPositionForIndex(GetCaretPosition(), caretRect))
     {
     wxRect caretRect;
     if (GetCaretPositionForIndex(GetCaretPosition(), caretRect))
     {

-        wxPoint originalPt = caretRect.GetPosition();
-        wxPoint pt = GetPhysicalPoint(originalPt);
-        if (GetCaret()->GetPosition() != pt)
+        wxPoint newPt = caretRect.GetPosition();
+        wxSize newSz = caretRect.GetSize();
+        wxPoint pt = GetPhysicalPoint(newPt);
+        if (GetCaret()->GetPosition() != pt || GetCaret()->GetSize() != newSz)

         {
             GetCaret()->Move(pt);
         {
             GetCaret()->Move(pt);

-            GetCaret()->SetSize(caretRect.GetSize());
+            GetCaret()->SetSize(newSz);

         }
     }
 }
         }
     }
 }


@@ -2346,6 +2663,10 @@ bool wxRichTextCtrl::GetCaretPositionForIndex(long position, wxRect& rect)
 
     if (GetBuffer().FindPosition(dc, position, pt, & height, m_caretAtLineStart))
     {
 
     if (GetBuffer().FindPosition(dc, position, pt, & height, m_caretAtLineStart))
     {

+        // Caret height can't be zero
+        if (height == 0)
+            height = dc.GetCharHeight();
+

         rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height));
         return true;
     }
         rect = wxRect(pt, wxSize(wxRICHTEXT_DEFAULT_CARET_WIDTH, height));
         return true;
     }


@@ -2434,8 +2755,8 @@ bool wxRichTextCtrl::IsSelectionBold()
 {
     if (HasSelection())
     {
 {
     if (HasSelection())
     {

-        wxRichTextAttr attr;
-        wxRichTextRange range = GetInternalSelectionRange();
+        wxTextAttr attr;
+        wxRichTextRange range = GetSelectionRange();

         attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
         attr.SetFontWeight(wxBOLD);
 
         attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
         attr.SetFontWeight(wxBOLD);
 


@@ -2445,7 +2766,7 @@ bool wxRichTextCtrl::IsSelectionBold()
     {
         // If no selection, then we need to combine current style with default style
         // to see what the effect would be if we started typing.
     {
         // If no selection, then we need to combine current style with default style
         // to see what the effect would be if we started typing.

-        wxRichTextAttr attr;
+        wxTextAttr attr;

         attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
 
         long pos = GetAdjustedCaretPosition(GetCaretPosition());
         attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
 
         long pos = GetAdjustedCaretPosition(GetCaretPosition());


@@ -2464,8 +2785,8 @@ bool wxRichTextCtrl::IsSelectionItalics()
 {
     if (HasSelection())
     {
 {
     if (HasSelection())
     {

-        wxRichTextRange range = GetInternalSelectionRange();
-        wxRichTextAttr attr;
+        wxRichTextRange range = GetSelectionRange();
+        wxTextAttr attr;

         attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
         attr.SetFontStyle(wxITALIC);
 
         attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
         attr.SetFontStyle(wxITALIC);
 


@@ -2475,7 +2796,7 @@ bool wxRichTextCtrl::IsSelectionItalics()
     {
         // If no selection, then we need to combine current style with default style
         // to see what the effect would be if we started typing.
     {
         // If no selection, then we need to combine current style with default style
         // to see what the effect would be if we started typing.

-        wxRichTextAttr attr;
+        wxTextAttr attr;

         attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
 
         long pos = GetAdjustedCaretPosition(GetCaretPosition());
         attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
 
         long pos = GetAdjustedCaretPosition(GetCaretPosition());


@@ -2494,8 +2815,8 @@ bool wxRichTextCtrl::IsSelectionUnderlined()
 {
     if (HasSelection())
     {
 {
     if (HasSelection())
     {

-        wxRichTextRange range = GetInternalSelectionRange();
-        wxRichTextAttr attr;
+        wxRichTextRange range = GetSelectionRange();
+        wxTextAttr attr;

         attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
         attr.SetFontUnderlined(true);
 
         attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
         attr.SetFontUnderlined(true);
 


@@ -2505,10 +2826,10 @@ bool wxRichTextCtrl::IsSelectionUnderlined()
     {
         // If no selection, then we need to combine current style with default style
         // to see what the effect would be if we started typing.
     {
         // If no selection, then we need to combine current style with default style
         // to see what the effect would be if we started typing.

-        wxRichTextAttr attr;
+        wxTextAttr attr;

         attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
         attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);

-

         long pos = GetAdjustedCaretPosition(GetCaretPosition());
         long pos = GetAdjustedCaretPosition(GetCaretPosition());

+

         if (GetStyle(pos, attr))
         {
             if (IsDefaultStyleShowing())
         if (GetStyle(pos, attr))
         {
             if (IsDefaultStyleShowing())


@@ -2522,12 +2843,12 @@ bool wxRichTextCtrl::IsSelectionUnderlined()
 /// Apply bold to the selection
 bool wxRichTextCtrl::ApplyBoldToSelection()
 {
 /// Apply bold to the selection
 bool wxRichTextCtrl::ApplyBoldToSelection()
 {

-    wxRichTextAttr attr;
+    wxTextAttr attr;

     attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
     attr.SetFontWeight(IsSelectionBold() ? wxNORMAL : wxBOLD);
 
     if (HasSelection())
     attr.SetFlags(wxTEXT_ATTR_FONT_WEIGHT);
     attr.SetFontWeight(IsSelectionBold() ? wxNORMAL : wxBOLD);
 
     if (HasSelection())

-        return SetStyle(GetSelectionRange(), attr);
+        return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);

     else
         SetAndShowDefaultStyle(attr);
     return true;
     else
         SetAndShowDefaultStyle(attr);
     return true;


@@ -2536,12 +2857,12 @@ bool wxRichTextCtrl::ApplyBoldToSelection()
 /// Apply italic to the selection
 bool wxRichTextCtrl::ApplyItalicToSelection()
 {
 /// Apply italic to the selection
 bool wxRichTextCtrl::ApplyItalicToSelection()
 {

-    wxRichTextAttr attr;
+    wxTextAttr attr;

     attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
     attr.SetFontStyle(IsSelectionItalics() ? wxNORMAL : wxITALIC);
 
     if (HasSelection())
     attr.SetFlags(wxTEXT_ATTR_FONT_ITALIC);
     attr.SetFontStyle(IsSelectionItalics() ? wxNORMAL : wxITALIC);
 
     if (HasSelection())

-        return SetStyle(GetSelectionRange(), attr);
+        return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);

     else
         SetAndShowDefaultStyle(attr);
     return true;
     else
         SetAndShowDefaultStyle(attr);
     return true;


@@ -2550,12 +2871,12 @@ bool wxRichTextCtrl::ApplyItalicToSelection()
 /// Apply underline to the selection
 bool wxRichTextCtrl::ApplyUnderlineToSelection()
 {
 /// Apply underline to the selection
 bool wxRichTextCtrl::ApplyUnderlineToSelection()
 {

-    wxRichTextAttr attr;
+    wxTextAttr attr;

     attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
     attr.SetFontUnderlined(!IsSelectionUnderlined());
 
     if (HasSelection())
     attr.SetFlags(wxTEXT_ATTR_FONT_UNDERLINE);
     attr.SetFontUnderlined(!IsSelectionUnderlined());
 
     if (HasSelection())

-        return SetStyle(GetSelectionRange(), attr);
+        return SetStyleEx(GetSelectionRange(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY);

     else
         SetAndShowDefaultStyle(attr);
     return true;
     else
         SetAndShowDefaultStyle(attr);
     return true;


@@ -2564,28 +2885,22 @@ bool wxRichTextCtrl::ApplyUnderlineToSelection()
 /// Is all of the selection aligned according to the specified flag?
 bool wxRichTextCtrl::IsSelectionAligned(wxTextAttrAlignment alignment)
 {
 /// Is all of the selection aligned according to the specified flag?
 bool wxRichTextCtrl::IsSelectionAligned(wxTextAttrAlignment alignment)
 {

+    wxRichTextRange range;

     if (HasSelection())
     if (HasSelection())

-    {
-        wxRichTextRange range = GetInternalSelectionRange();
-        wxRichTextAttr attr;
-        attr.SetAlignment(alignment);
-
-        return HasParagraphAttributes(range, attr);
-    }
+        range = GetSelectionRange();

     else
     else

-    {
-        // If no selection, then we need to get information from the current paragraph.
-        wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(GetCaretPosition()+1);
-        if (para)
-            return para->GetAttributes().GetAlignment() == alignment;
-    }
-    return false;
+        range = wxRichTextRange(GetCaretPosition()+1, GetCaretPosition()+2);
+
+    wxTextAttr attr;
+    attr.SetAlignment(alignment);
+
+    return HasParagraphAttributes(range, attr);

 }
 
 /// Apply alignment to the selection
 bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment)
 {
 }
 
 /// Apply alignment to the selection
 bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment)
 {

-    wxRichTextAttr attr;
+    wxTextAttr attr;

     attr.SetAlignment(alignment);
     if (HasSelection())
         return SetStyle(GetSelectionRange(), attr);
     attr.SetAlignment(alignment);
     if (HasSelection())
         return SetStyle(GetSelectionRange(), attr);


@@ -2593,40 +2908,87 @@ bool wxRichTextCtrl::ApplyAlignmentToSelection(wxTextAttrAlignment alignment)
     {
         wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(GetCaretPosition()+1);
         if (para)
     {
         wxRichTextParagraph* para = GetBuffer().GetParagraphAtPosition(GetCaretPosition()+1);
         if (para)

-            return SetStyle(para->GetRange().FromInternal(), attr);
+            return SetStyleEx(para->GetRange().FromInternal(), attr, wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE|wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY);

     }
     return true;
 }
 
 /// Apply a named style to the selection
     }
     return true;
 }
 
 /// Apply a named style to the selection

-void wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition* def)
+bool wxRichTextCtrl::ApplyStyle(wxRichTextStyleDefinition* def)

 {
     // Flags are defined within each definition, so only certain
     // attributes are applied.
 {
     // Flags are defined within each definition, so only certain
     // attributes are applied.

-    wxRichTextAttr attr(def->GetStyle());
+    wxTextAttr attr(GetStyleSheet() ? def->GetStyleMergedWithBase(GetStyleSheet()) : def->GetStyle());
+
+    int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_OPTIMIZE;
+
+    if (def->IsKindOf(CLASSINFO(wxRichTextListStyleDefinition)))
+    {
+        flags |= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY;
+
+        wxRichTextRange range;
+
+        if (HasSelection())
+            range = GetSelectionRange();
+        else
+        {
+            long pos = GetAdjustedCaretPosition(GetCaretPosition());
+            range = wxRichTextRange(pos, pos+1);
+        }
+
+        return SetListStyle(range, (wxRichTextListStyleDefinition*) def, flags);
+    }

 
     // Make sure the attr has the style name
     if (def->IsKindOf(CLASSINFO(wxRichTextParagraphStyleDefinition)))
 
     // Make sure the attr has the style name
     if (def->IsKindOf(CLASSINFO(wxRichTextParagraphStyleDefinition)))

+    {

         attr.SetParagraphStyleName(def->GetName());
         attr.SetParagraphStyleName(def->GetName());

+
+        // If applying a paragraph style, we only want the paragraph nodes to adopt these
+        // attributes, and not the leaf nodes. This will allow the content (e.g. text)
+        // to change its style independently.
+        flags |= wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY;
+    }

     else
         attr.SetCharacterStyleName(def->GetName());
 
     if (HasSelection())
     else
         attr.SetCharacterStyleName(def->GetName());
 
     if (HasSelection())

-        SetStyle(GetSelectionRange(), attr);
+        return SetStyleEx(GetSelectionRange(), attr, flags);

     else
     else

+    {

         SetAndShowDefaultStyle(attr);
         SetAndShowDefaultStyle(attr);

+        return true;
+    }
+}
+
+/// Apply the style sheet to the buffer, for example if the styles have changed.
+bool wxRichTextCtrl::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet)
+{
+    if (!styleSheet)
+        styleSheet = GetBuffer().GetStyleSheet();
+    if (!styleSheet)
+        return false;
+
+    if (GetBuffer().ApplyStyleSheet(styleSheet))
+    {
+        GetBuffer().Invalidate(wxRICHTEXT_ALL);
+        Refresh(false);
+        return true;
+    }
+    else
+        return false;

 }
 
 /// Sets the default style to the style under the cursor
 bool wxRichTextCtrl::SetDefaultStyleToCursorStyle()
 {
 }
 
 /// Sets the default style to the style under the cursor
 bool wxRichTextCtrl::SetDefaultStyleToCursorStyle()
 {

-    wxTextAttrEx attr;
+    wxTextAttr attr;

     attr.SetFlags(wxTEXT_ATTR_CHARACTER);
 
     // If at the start of a paragraph, use the next position.
     long pos = GetAdjustedCaretPosition(GetCaretPosition());
 
     attr.SetFlags(wxTEXT_ATTR_CHARACTER);
 
     // If at the start of a paragraph, use the next position.
     long pos = GetAdjustedCaretPosition(GetCaretPosition());
 

-    if (GetStyle(pos, attr))
+    if (GetUncombinedStyle(pos, attr))

     {
         SetDefaultStyle(attr);
         return true;
     {
         SetDefaultStyle(attr);
         return true;


@@ -2645,6 +3007,18 @@ long wxRichTextCtrl::GetFirstVisiblePosition() const
         return 0;
 }
 
         return 0;
 }
 

+/// Get the first visible point in the window
+wxPoint wxRichTextCtrl::GetFirstVisiblePoint() const
+{
+    int ppuX, ppuY;
+    int startXUnits, startYUnits;
+
+    GetScrollPixelsPerUnit(& ppuX, & ppuY);
+    GetViewStart(& startXUnits, & startYUnits);
+
+    return wxPoint(startXUnits * ppuX, startYUnits * ppuY);
+}
+

 /// The adjusted caret position is the character position adjusted to take
 /// into account whether we're at the start of a paragraph, in which case
 /// style information should be taken from the next position, not current one.
 /// The adjusted caret position is the character position adjusted to take
 /// into account whether we're at the start of a paragraph, in which case
 /// style information should be taken from the next position, not current one.


@@ -2675,9 +3049,81 @@ void wxRichTextCtrl::SetSelectionRange(const wxRichTextRange& range)
         range1.SetEnd(range1.GetEnd() - 1);
 
     wxASSERT( range1.GetStart() > range1.GetEnd() );
         range1.SetEnd(range1.GetEnd() - 1);
 
     wxASSERT( range1.GetStart() > range1.GetEnd() );

-    
+

     SetInternalSelectionRange(range1);
 }
 
     SetInternalSelectionRange(range1);
 }
 

+/// Set list style
+bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+    return GetBuffer().SetListStyle(range.ToInternal(), def, flags, startFrom, specifiedLevel);
+}
+
+bool wxRichTextCtrl::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
+{
+    return GetBuffer().SetListStyle(range.ToInternal(), defName, flags, startFrom, specifiedLevel);
+}
+
+/// Clear list for given range
+bool wxRichTextCtrl::ClearListStyle(const wxRichTextRange& range, int flags)
+{
+    return GetBuffer().ClearListStyle(range.ToInternal(), flags);
+}
+
+/// Number/renumber any list elements in the given range
+bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
+{
+    return GetBuffer().NumberList(range.ToInternal(), def, flags, startFrom, specifiedLevel);
+}
+
+bool wxRichTextCtrl::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
+{
+    return GetBuffer().NumberList(range.ToInternal(), defName, flags, startFrom, specifiedLevel);
+}
+
+/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
+bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel)
+{
+    return GetBuffer().PromoteList(promoteBy, range.ToInternal(), def, flags, specifiedLevel);
+}
+
+bool wxRichTextCtrl::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel)
+{
+    return GetBuffer().PromoteList(promoteBy, range.ToInternal(), defName, flags, specifiedLevel);
+}
+
+/// Deletes the content in the given range
+bool wxRichTextCtrl::Delete(const wxRichTextRange& range)
+{
+    return GetBuffer().DeleteRangeWithUndo(range.ToInternal(), this);
+}
+
+const wxArrayString& wxRichTextCtrl::GetAvailableFontNames()
+{
+    if (sm_availableFontNames.GetCount() == 0)
+    {
+        sm_availableFontNames = wxFontEnumerator::GetFacenames();
+        sm_availableFontNames.Sort();
+    }
+    return sm_availableFontNames;
+}
+
+void wxRichTextCtrl::ClearAvailableFontNames()
+{
+    sm_availableFontNames.Clear();
+}
+
+void wxRichTextCtrl::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
+{
+    //wxLogDebug(wxT("wxRichTextCtrl::OnSysColourChanged"));
+
+    wxTextAttrEx basicStyle = GetBasicStyle();
+    basicStyle.SetTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
+    SetBasicStyle(basicStyle);
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+
+    Refresh();
+}
+

 #endif
     // wxUSE_RICHTEXT
 #endif
     // wxUSE_RICHTEXT