X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/109bfc88a4a8583cc2fd5ca3fa6dbd74f5c7274c..af4d748440f97aa6e37ab44dfc3fd14b7f42868e:/src/richtext/richtextctrl.cpp

diff --git a/src/richtext/richtextctrl.cpp b/src/richtext/richtextctrl.cpp
index 76221b479f..c4a91f1528 100644
--- a/src/richtext/richtextctrl.cpp
+++ b/src/richtext/richtextctrl.cpp
@@ -32,6 +32,7 @@
 #include "wx/dcbuffer.h"
 #include "wx/arrimpl.cpp"
 #include "wx/fontenum.h"
+#include "wx/accel.h"
 
 // DLL options compatibility check:
 #include "wx/app.h"
@@ -56,6 +57,69 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_SELECTION_CHANGED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RICHTEXT_BUFFER_RESET)
 
+#if wxRICHTEXT_USE_OWN_CARET
+
+/*!
+ * 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: public wxCaret
+{
+public:
+    // ctors
+    // -----
+        // default - use Create()
+    wxRichTextCaret() { Init(); }
+        // creates a block caret associated with the given window
+    wxRichTextCaret(wxRichTextCtrl *window, int width, int height)
+        : wxCaret(window, width, height) { Init(); m_richTextCtrl = window; }
+    wxRichTextCaret(wxRichTextCtrl *window, const wxSize& size)
+        : wxCaret(window, size) { 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; }
+
+    // delay repositioning
+    bool GetNeedsUpdate() const { return m_needsUpdate; }
+    void SetNeedsUpdate(bool needsUpdate = true ) { m_needsUpdate = needsUpdate; }
+
+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
+
+    wxRichTextCtrl* m_richTextCtrl;
+};
+#endif
+
 IMPLEMENT_CLASS( wxRichTextCtrl, wxControl )
 
 IMPLEMENT_CLASS( wxRichTextEvent, wxNotifyEvent )
@@ -152,8 +216,6 @@ 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 +230,11 @@ 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 +254,17 @@ bool wxRichTextCtrl::Create( wxWindow* parent, wxWindowID id, const wxString& va
 
     GetBuffer().AddEventHandler(this);
 
+    // Accelerators
+    wxAcceleratorEntry entries[4];
+
+    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);
+
+    wxAcceleratorTable accel(4, entries);
+    SetAcceleratorTable(accel);
+
     return true;
 }
 
@@ -250,8 +326,10 @@ 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
@@ -284,12 +362,19 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
         }
 
         GetBuffer().Draw(dc, GetBuffer().GetRange(), GetInternalSelectionRange(), drawingArea, 0 /* descent */, 0 /* flags */);
+#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 +386,33 @@ 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 +460,10 @@ 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 +592,10 @@ 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);
         }
     }
 }
@@ -1006,6 +1095,8 @@ bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags)
 {
     if (flags & wxRICHTEXT_SHIFT_DOWN)
     {
+        wxRichTextRange oldSelection = m_selectionRange;
+
         // If not currently selecting, start selecting
         if (m_selectionRange.GetStart() == -2)
         {
@@ -1026,6 +1117,8 @@ bool wxRichTextCtrl::ExtendSelection(long oldPos, long newPos, int flags)
                 m_selectionRange.SetRange(newPos+1, m_selectionAnchor);
         }
 
+        RefreshForSelectionChange(oldSelection, m_selectionRange);
+
         if (m_selectionRange.GetStart() > m_selectionRange.GetEnd())
         {
             wxLogDebug(wxT("Strange selection range"));
@@ -1141,7 +1234,9 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
         }
     }
 
+#if !wxRICHTEXT_USE_OWN_CARET
     if (scrolled)
+#endif
         PositionCaret();
 
     return scrolled;
@@ -1297,8 +1392,6 @@ bool wxRichTextCtrl::MoveRight(int noPositions, int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1326,8 +1419,6 @@ bool wxRichTextCtrl::MoveLeft(int noPositions, int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1417,8 +1508,6 @@ bool wxRichTextCtrl::MoveDown(int noLines, int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1440,8 +1529,6 @@ bool wxRichTextCtrl::MoveToParagraphEnd(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1463,8 +1550,6 @@ bool wxRichTextCtrl::MoveToParagraphStart(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1488,8 +1573,6 @@ bool wxRichTextCtrl::MoveToLineEnd(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1515,8 +1598,6 @@ bool wxRichTextCtrl::MoveToLineStart(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1536,8 +1617,6 @@ bool wxRichTextCtrl::MoveHome(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1559,8 +1638,6 @@ bool wxRichTextCtrl::MoveEnd(int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
     else
@@ -1600,8 +1677,6 @@ bool wxRichTextCtrl::PageDown(int noPages, int flags)
                 PositionCaret();
                 SetDefaultStyleToCursorStyle();
 
-                if (extendSel)
-                    Refresh(false);
                 return true;
             }
         }
@@ -1719,8 +1794,6 @@ bool wxRichTextCtrl::WordLeft(int WXUNUSED(n), int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1743,8 +1816,6 @@ bool wxRichTextCtrl::WordRight(int WXUNUSED(n), int flags)
         PositionCaret();
         SetDefaultStyleToCursorStyle();
 
-        if (extendSel)
-            Refresh(false);
         return true;
     }
 
@@ -1776,6 +1847,15 @@ 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 +1881,14 @@ 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();
 }
 
@@ -1831,14 +1918,31 @@ 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 < 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 +1988,7 @@ 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 +2012,7 @@ 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;
 
@@ -1957,8 +2061,11 @@ 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;
 }
@@ -2148,7 +2255,7 @@ 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 +2266,7 @@ 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 +2282,7 @@ 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())
     {
@@ -2346,7 +2453,6 @@ void wxRichTextCtrl::SetSelection(long from, long to)
     }
 
     DoSetSelection(from, to);
-    SetDefaultStyleToCursorStyle();
 }
 
 void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCaret))
@@ -2357,12 +2463,13 @@ void wxRichTextCtrl::DoSetSelection(long from, long to, bool WXUNUSED(scrollCare
     }
     else
     {
+        wxRichTextRange oldSelection = m_selectionRange;
         m_selectionAnchor = from;
         m_selectionRange.SetRange(from, to-1);
         if (from > -2)
             m_caretPosition = from-1;
 
-        Refresh(false);
+        RefreshForSelectionChange(oldSelection, m_selectionRange);
         PositionCaret();
     }
 }
@@ -2700,8 +2807,11 @@ void wxRichTextCtrl::PositionCaret()
         wxPoint pt = GetPhysicalPoint(newPt);
         if (GetCaret()->GetPosition() != pt || GetCaret()->GetSize() != newSz)
         {
+            GetCaret()->Hide();
+            if (GetCaret()->GetSize() != newSz)
+                GetCaret()->SetSize(newSz);
             GetCaret()->Move(pt);
-            GetCaret()->SetSize(newSz);
+            GetCaret()->Show();
         }
     }
 }
@@ -3195,5 +3305,175 @@ 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;
+}
+
+wxRichTextCaret::~wxRichTextCaret()
+{
+}
+
+// ----------------------------------------------------------------------------
+// showing/hiding/moving the caret (base class interface)
+// ----------------------------------------------------------------------------
+
+void wxRichTextCaret::DoShow()
+{
+    Refresh();
+}
+
+void wxRichTextCaret::DoHide()
+{
+    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);
+
+    // VZ: unfortunately, the rectangle comes out a pixel smaller when this is
+    //     done under wxGTK - no idea why
+    //dc->SetLogicalFunction(wxINVERT);
+
+    wxPoint pt(m_x, m_y);
+
+    if (m_richTextCtrl)
+    {
+        pt = m_richTextCtrl->GetLogicalPoint(pt);
+    }
+    dc->DrawRectangle(pt.x, pt.y, m_width, m_height);
+}
+#endif
+    // wxRICHTEXT_USE_OWN_CARET
+
 #endif
     // wxUSE_RICHTEXT