Add missing WXK constants for the control keys

[wxWidgets.git] / src / common / textcmn.cpp

diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp
index 76b0916d21200f1a0b2a56ba0fba8a9ffd928b8c..dd84b8855676fdd3c1a6a30427868742c83930c3 100644 (file)
--- a/src/common/textcmn.cpp
+++ b/src/common/textcmn.cpp
@@ -164,6 +164,7 @@ void wxTextAttr::Init()
     m_fontStyle = wxFONTSTYLE_NORMAL;
     m_fontWeight = wxFONTWEIGHT_NORMAL;
     m_fontUnderlined = false;
     m_fontStyle = wxFONTSTYLE_NORMAL;
     m_fontWeight = wxFONTWEIGHT_NORMAL;
     m_fontUnderlined = false;

+    m_fontStrikethrough = false;

     m_fontEncoding = wxFONTENCODING_DEFAULT;
     m_fontFamily = wxFONTFAMILY_DEFAULT;
 
     m_fontEncoding = wxFONTENCODING_DEFAULT;
     m_fontFamily = wxFONTFAMILY_DEFAULT;
 


@@ -193,6 +194,7 @@ void wxTextAttr::Copy(const wxTextAttr& attr)
     m_fontStyle = attr.m_fontStyle;
     m_fontWeight = attr.m_fontWeight;
     m_fontUnderlined = attr.m_fontUnderlined;
     m_fontStyle = attr.m_fontStyle;
     m_fontWeight = attr.m_fontWeight;
     m_fontUnderlined = attr.m_fontUnderlined;

+    m_fontStrikethrough = attr.m_fontStrikethrough;

     m_fontFaceName = attr.m_fontFaceName;
     m_fontEncoding = attr.m_fontEncoding;
     m_fontFamily = attr.m_fontFamily;
     m_fontFaceName = attr.m_fontFaceName;
     m_fontEncoding = attr.m_fontEncoding;
     m_fontFamily = attr.m_fontFamily;


@@ -265,117 +267,138 @@ bool wxTextAttr::operator== (const wxTextAttr& attr) const
 }
 
 // Partial equality test. Only returns false if an attribute doesn't match.
 }
 
 // Partial equality test. Only returns false if an attribute doesn't match.

-bool wxTextAttr::EqPartial(const wxTextAttr& attr) const
+bool wxTextAttr::EqPartial(const wxTextAttr& attr, bool weakTest) const

 {
     int flags = attr.GetFlags();
 {
     int flags = attr.GetFlags();

-    
-    if ((flags & wxTEXT_ATTR_TEXT_COLOUR) && GetTextColour() != attr.GetTextColour())
+
+    if (!weakTest &&
+        ((!HasTextColour() && attr.HasTextColour()) ||
+         (!HasBackgroundColour() && attr.HasBackgroundColour()) ||
+         (!HasFontFaceName() && attr.HasFontFaceName()) ||
+         (!HasFontSize() && attr.HasFontSize()) ||
+         (!HasFontWeight() && attr.HasFontWeight()) ||
+         (!HasFontItalic() && attr.HasFontItalic()) ||
+         (!HasFontUnderlined() && attr.HasFontUnderlined()) ||
+         (!HasFontStrikethrough() && attr.HasFontStrikethrough()) ||
+         (!HasFontEncoding() && attr.HasFontEncoding()) ||
+         (!HasFontFamily() && attr.HasFontFamily()) ||
+         (!HasURL() && attr.HasURL()) ||
+         (!HasAlignment() && attr.HasAlignment()) ||
+         (!HasLeftIndent() && attr.HasLeftIndent()) ||
+         (!HasParagraphSpacingAfter() && attr.HasParagraphSpacingAfter()) ||
+         (!HasParagraphSpacingBefore() && attr.HasParagraphSpacingBefore()) ||
+         (!HasLineSpacing() && attr.HasLineSpacing()) ||
+         (!HasCharacterStyleName() && attr.HasCharacterStyleName()) ||
+         (!HasParagraphStyleName() && attr.HasParagraphStyleName()) ||
+         (!HasListStyleName() && attr.HasListStyleName()) ||
+         (!HasBulletStyle() && attr.HasBulletStyle()) ||
+         (!HasBulletNumber() && attr.HasBulletNumber()) ||
+         (!HasBulletText() && attr.HasBulletText()) ||
+         (!HasBulletName() && attr.HasBulletName()) ||
+         (!HasTabs() && attr.HasTabs()) ||
+         (!HasTextEffects() && attr.HasTextEffects()) ||
+         (!HasOutlineLevel() && attr.HasOutlineLevel())))
+    {
+        return false;
+    }
+
+    if (HasTextColour() && attr.HasTextColour() && GetTextColour() != attr.GetTextColour())
+        return false;
+
+    if (HasBackgroundColour() && attr.HasBackgroundColour() && GetBackgroundColour() != attr.GetBackgroundColour())
+        return false;
+
+    if (HasFontFaceName() && attr.HasFontFaceName() && GetFontFaceName() != attr.GetFontFaceName())
+        return false;
+
+    // This checks whether the two objects have the same font size dimension (px versus pt)
+    if (HasFontSize() && attr.HasFontSize() && (flags & wxTEXT_ATTR_FONT) != (GetFlags() & wxTEXT_ATTR_FONT))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_BACKGROUND_COLOUR) && GetBackgroundColour() != attr.GetBackgroundColour())
+    if (HasFontPointSize() && attr.HasFontPointSize() && GetFontSize() != attr.GetFontSize())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_FACE) &&
-        GetFontFaceName() != attr.GetFontFaceName())
+    if (HasFontPixelSize() && attr.HasFontPixelSize() && GetFontSize() != attr.GetFontSize())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_SIZE) &&
-        GetFontSize() != attr.GetFontSize())
+    if (HasFontWeight() && attr.HasFontWeight() && GetFontWeight() != attr.GetFontWeight())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_WEIGHT) &&
-        GetFontWeight() != attr.GetFontWeight())
+    if (HasFontItalic() && attr.HasFontItalic() && GetFontStyle() != attr.GetFontStyle())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_ITALIC) &&
-        GetFontStyle() != attr.GetFontStyle())
+    if (HasFontUnderlined() && attr.HasFontUnderlined() && GetFontUnderlined() != attr.GetFontUnderlined())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_UNDERLINE) &&
-        GetFontUnderlined() != attr.GetFontUnderlined())
+    if (HasFontStrikethrough() && attr.HasFontStrikethrough() && GetFontStrikethrough() != attr.GetFontStrikethrough())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_ENCODING) &&
-        GetFontEncoding() != attr.GetFontEncoding())
+    if (HasFontEncoding() && attr.HasFontEncoding() && GetFontEncoding() != attr.GetFontEncoding())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_FONT_FAMILY) &&
-        GetFontFamily() != attr.GetFontFamily())
+    if (HasFontFamily() && attr.HasFontFamily() && GetFontFamily() != attr.GetFontFamily())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_URL) && GetURL() != attr.GetURL())
+    if (HasURL() && attr.HasURL() && GetURL() != attr.GetURL())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_ALIGNMENT) && GetAlignment() != attr.GetAlignment())
+    if (HasAlignment() && attr.HasAlignment() && GetAlignment() != attr.GetAlignment())

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_LEFT_INDENT) &&
+    if (HasLeftIndent() && attr.HasLeftIndent() &&

         ((GetLeftIndent() != attr.GetLeftIndent()) || (GetLeftSubIndent() != attr.GetLeftSubIndent())))
         return false;
 
         ((GetLeftIndent() != attr.GetLeftIndent()) || (GetLeftSubIndent() != attr.GetLeftSubIndent())))
         return false;
 

-    if ((flags & wxTEXT_ATTR_RIGHT_INDENT) &&
-        (GetRightIndent() != attr.GetRightIndent()))
+    if (HasRightIndent() && attr.HasRightIndent() && (GetRightIndent() != attr.GetRightIndent()))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_PARA_SPACING_AFTER) &&
+    if (HasParagraphSpacingAfter() && attr.HasParagraphSpacingAfter() &&

         (GetParagraphSpacingAfter() != attr.GetParagraphSpacingAfter()))
         return false;
 
         (GetParagraphSpacingAfter() != attr.GetParagraphSpacingAfter()))
         return false;
 

-    if ((flags & wxTEXT_ATTR_PARA_SPACING_BEFORE) &&
+    if (HasParagraphSpacingBefore() && attr.HasParagraphSpacingBefore() &&

         (GetParagraphSpacingBefore() != attr.GetParagraphSpacingBefore()))
         return false;
 
         (GetParagraphSpacingBefore() != attr.GetParagraphSpacingBefore()))
         return false;
 

-    if ((flags & wxTEXT_ATTR_LINE_SPACING) &&
-        (GetLineSpacing() != attr.GetLineSpacing()))
+    if (HasLineSpacing() && attr.HasLineSpacing() && (GetLineSpacing() != attr.GetLineSpacing()))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_CHARACTER_STYLE_NAME) &&
-        (GetCharacterStyleName() != attr.GetCharacterStyleName()))
+    if (HasCharacterStyleName() && attr.HasCharacterStyleName() && (GetCharacterStyleName() != attr.GetCharacterStyleName()))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) &&
-        (GetParagraphStyleName() != attr.GetParagraphStyleName()))
+    if (HasParagraphStyleName() && attr.HasParagraphStyleName() && (GetParagraphStyleName() != attr.GetParagraphStyleName()))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_LIST_STYLE_NAME) &&
-        (GetListStyleName() != attr.GetListStyleName()))
+    if (HasListStyleName() && attr.HasListStyleName() && (GetListStyleName() != attr.GetListStyleName()))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_BULLET_STYLE) &&
-        (GetBulletStyle() != attr.GetBulletStyle()))
+    if (HasBulletStyle() && attr.HasBulletStyle() && (GetBulletStyle() != attr.GetBulletStyle()))

          return false;
 
          return false;
 

-    if ((flags & wxTEXT_ATTR_BULLET_NUMBER) &&
-        (GetBulletNumber() != attr.GetBulletNumber()))
+    if (HasBulletNumber() && attr.HasBulletNumber() && (GetBulletNumber() != attr.GetBulletNumber()))

          return false;
 
          return false;
 

-    if ((flags & wxTEXT_ATTR_BULLET_TEXT) &&
+    if (HasBulletText() && attr.HasBulletText() &&

         (GetBulletText() != attr.GetBulletText()) &&
         (GetBulletFont() != attr.GetBulletFont()))
          return false;
 
         (GetBulletText() != attr.GetBulletText()) &&
         (GetBulletFont() != attr.GetBulletFont()))
          return false;
 

-    if ((flags & wxTEXT_ATTR_BULLET_NAME) &&
-        (GetBulletName() != attr.GetBulletName()))
+    if (HasBulletName() && attr.HasBulletName() && (GetBulletName() != attr.GetBulletName()))

          return false;
 
          return false;
 

-    if ((flags & wxTEXT_ATTR_TABS) &&
-        !TabsEq(GetTabs(), attr.GetTabs()))
+    if (HasTabs() && attr.HasTabs() && !TabsEq(GetTabs(), attr.GetTabs()))

         return false;
 
         return false;
 

-    if ((flags & wxTEXT_ATTR_PAGE_BREAK) &&
-        (HasPageBreak() != attr.HasPageBreak()))
+    if ((HasPageBreak() != attr.HasPageBreak()))

          return false;
 
          return false;
 

-    if (flags & wxTEXT_ATTR_EFFECTS)
+    if (HasTextEffects() && attr.HasTextEffects())

     {
     {

-        if (HasTextEffects() != attr.HasTextEffects())
-            return false;

         if (!BitlistsEqPartial(GetTextEffects(), attr.GetTextEffects(), attr.GetTextEffectFlags()))
             return false;
     }
 
         if (!BitlistsEqPartial(GetTextEffects(), attr.GetTextEffects(), attr.GetTextEffectFlags()))
             return false;
     }
 

-    if ((flags & wxTEXT_ATTR_OUTLINE_LEVEL) &&
-        (GetOutlineLevel() != attr.GetOutlineLevel()))
+    if (HasOutlineLevel() && attr.HasOutlineLevel() && (GetOutlineLevel() != attr.GetOutlineLevel()))

          return false;
 
     return true;
          return false;
 
     return true;


@@ -391,11 +414,11 @@ wxFont wxTextAttr::GetFont() const
     if (HasFontSize())
         fontSize = GetFontSize();
 
     if (HasFontSize())
         fontSize = GetFontSize();
 

-    int fontStyle = wxNORMAL;
+    wxFontStyle fontStyle = wxFONTSTYLE_NORMAL;

     if (HasFontItalic())
         fontStyle = GetFontStyle();
 
     if (HasFontItalic())
         fontStyle = GetFontStyle();
 

-    int fontWeight = wxNORMAL;
+    wxFontWeight fontWeight = wxFONTWEIGHT_NORMAL;

     if (HasFontWeight())
         fontWeight = GetFontWeight();
 
     if (HasFontWeight())
         fontWeight = GetFontWeight();
 


@@ -403,6 +426,10 @@ wxFont wxTextAttr::GetFont() const
     if (HasFontUnderlined())
         underlined = GetFontUnderlined();
 
     if (HasFontUnderlined())
         underlined = GetFontUnderlined();
 

+    bool strikethrough = false;
+    if (HasFontStrikethrough())
+        strikethrough = GetFontStrikethrough();
+

     wxString fontFaceName;
     if (HasFontFaceName())
         fontFaceName = GetFontFaceName();
     wxString fontFaceName;
     if (HasFontFaceName())
         fontFaceName = GetFontFaceName();


@@ -415,8 +442,20 @@ wxFont wxTextAttr::GetFont() const
     if (HasFontFamily())
         fontFamily = GetFontFamily();
 
     if (HasFontFamily())
         fontFamily = GetFontFamily();
 

-    wxFont font(fontSize, fontFamily, fontStyle, fontWeight, underlined, fontFaceName, encoding);
-    return font;
+    if (HasFontPixelSize())
+    {
+        wxFont font(wxSize(0, fontSize), fontFamily, fontStyle, fontWeight, underlined, fontFaceName, encoding);
+        if (strikethrough)
+            font.SetStrikethrough(true);
+        return font;
+    }
+    else
+    {
+        wxFont font(fontSize, fontFamily, fontStyle, fontWeight, underlined, fontFaceName, encoding);
+        if (strikethrough)
+            font.SetStrikethrough(true);
+        return font;
+    }

 }
 
 // Get attributes from font.
 }
 
 // Get attributes from font.


@@ -425,8 +464,30 @@ bool wxTextAttr::GetFontAttributes(const wxFont& font, int flags)
     if (!font.IsOk())
         return false;
 
     if (!font.IsOk())
         return false;
 

-    if (flags & wxTEXT_ATTR_FONT_SIZE)
+    // If we pass both pixel and point size attributes, this is an indication
+    // to choose the most appropriate units.
+    if ((flags & wxTEXT_ATTR_FONT) == wxTEXT_ATTR_FONT)
+    {
+        if (font.IsUsingSizeInPixels())
+        {
+            m_fontSize = font.GetPixelSize().y;
+            flags &= ~wxTEXT_ATTR_FONT_POINT_SIZE;
+        }
+        else
+        {
+            m_fontSize = font.GetPointSize();
+            flags &= ~wxTEXT_ATTR_FONT_PIXEL_SIZE;
+        }
+    }
+    else if (flags & wxTEXT_ATTR_FONT_POINT_SIZE)
+    {

         m_fontSize = font.GetPointSize();
         m_fontSize = font.GetPointSize();

+        flags &= ~wxTEXT_ATTR_FONT_PIXEL_SIZE;
+    }
+    else if (flags & wxTEXT_ATTR_FONT_PIXEL_SIZE)
+    {
+        m_fontSize = font.GetPixelSize().y;
+    }

 
     if (flags & wxTEXT_ATTR_FONT_ITALIC)
         m_fontStyle = font.GetStyle();
 
     if (flags & wxTEXT_ATTR_FONT_ITALIC)
         m_fontStyle = font.GetStyle();


@@ -437,6 +498,9 @@ bool wxTextAttr::GetFontAttributes(const wxFont& font, int flags)
     if (flags & wxTEXT_ATTR_FONT_UNDERLINE)
         m_fontUnderlined = font.GetUnderlined();
 
     if (flags & wxTEXT_ATTR_FONT_UNDERLINE)
         m_fontUnderlined = font.GetUnderlined();
 

+    if (flags & wxTEXT_ATTR_FONT_STRIKETHROUGH)
+        m_fontStrikethrough = font.GetStrikethrough();
+

     if (flags & wxTEXT_ATTR_FONT_FACE)
         m_fontFaceName = font.GetFaceName();
 
     if (flags & wxTEXT_ATTR_FONT_FACE)
         m_fontFaceName = font.GetFaceName();
 


@@ -482,10 +546,15 @@ bool wxTextAttr::Apply(const wxTextAttr& style, const wxTextAttr* compareWith)
             destStyle.SetFontWeight(style.GetFontWeight());
     }
 
             destStyle.SetFontWeight(style.GetFontWeight());
     }
 

-    if (style.HasFontSize())
+    if (style.HasFontPointSize())

     {
     {

-        if (!(compareWith && compareWith->HasFontSize() && compareWith->GetFontSize() == style.GetFontSize()))
-            destStyle.SetFontSize(style.GetFontSize());
+        if (!(compareWith && compareWith->HasFontPointSize() && compareWith->GetFontSize() == style.GetFontSize()))
+            destStyle.SetFontPointSize(style.GetFontSize());
+    }
+    else if (style.HasFontPixelSize())
+    {
+        if (!(compareWith && compareWith->HasFontPixelSize() && compareWith->GetFontSize() == style.GetFontSize()))
+            destStyle.SetFontPixelSize(style.GetFontSize());

     }
 
     if (style.HasFontItalic())
     }
 
     if (style.HasFontItalic())


@@ -500,6 +569,12 @@ bool wxTextAttr::Apply(const wxTextAttr& style, const wxTextAttr* compareWith)
             destStyle.SetFontUnderlined(style.GetFontUnderlined());
     }
 
             destStyle.SetFontUnderlined(style.GetFontUnderlined());
     }
 

+    if (style.HasFontStrikethrough())
+    {
+        if (!(compareWith && compareWith->HasFontStrikethrough() && compareWith->GetFontStrikethrough() == style.GetFontStrikethrough()))
+            destStyle.SetFontStrikethrough(style.GetFontStrikethrough());
+    }
+

     if (style.HasFontFaceName())
     {
         if (!(compareWith && compareWith->HasFontFaceName() && compareWith->GetFontFaceName() == style.GetFontFaceName()))
     if (style.HasFontFaceName())
     {
         if (!(compareWith && compareWith->HasFontFaceName() && compareWith->GetFontFaceName() == style.GetFontFaceName()))


@@ -773,7 +848,7 @@ bool wxTextAttr::BitlistsEqPartial(int valueA, int valueB, int flags)
 {
     int relevantBitsA = valueA & flags;
     int relevantBitsB = valueB & flags;
 {
     int relevantBitsA = valueA & flags;
     int relevantBitsB = valueB & flags;

-    return (relevantBitsA != relevantBitsB);
+    return relevantBitsA == relevantBitsB;

 }
 
 /// Split into paragraph and character styles
 }
 
 /// Split into paragraph and character styles


@@ -834,34 +909,36 @@ bool wxTextAreaBase::DoLoadFile(const wxString& filename, int WXUNUSED(fileType)
         {
             SetValue(text);
 
         {
             SetValue(text);
 

+            DiscardEdits();
+            m_filename = filename;
+

             return true;
         }
     }
 #endif // wxUSE_FFILE
 
             return true;
         }
     }
 #endif // wxUSE_FFILE
 

+    wxLogError(_("File couldn't be loaded."));
+

     return false;
 }
 
     return false;
 }
 

-bool wxTextCtrlBase::DoLoadFile(const wxString& filename, int fileType)
+bool wxTextAreaBase::DoSaveFile(const wxString& filename, int WXUNUSED(fileType))

 {
 {

-    if ( wxTextAreaBase::DoLoadFile(filename, fileType) )
+#if wxUSE_FFILE
+    wxFFile file(filename, wxT("w"));
+    if ( file.IsOpened() && file.Write(GetValue(), *wxConvCurrent) )

     {
     {

-        DiscardEdits();
+        // if it worked, save for future calls

         m_filename = filename;
         m_filename = filename;

+
+        // it's not modified any longer
+        DiscardEdits();
+

         return true;
     }
         return true;
     }

-    wxLogError(_("File couldn't be loaded."));
-    return false;
-}
+#endif // wxUSE_FFILE

 
 

-bool wxTextAreaBase::DoSaveFile(const wxString& filename, int WXUNUSED(fileType))
-{
-#if wxUSE_FFILE
-    wxFFile file(filename, wxT("w"));
-    return file.IsOpened() && file.Write(GetValue(), *wxConvCurrent);
-#else

     return false;
     return false;

-#endif // wxUSE_FFILE

 }
 
 bool wxTextAreaBase::SaveFile(const wxString& filename, int fileType)
 }
 
 bool wxTextAreaBase::SaveFile(const wxString& filename, int fileType)


@@ -878,21 +955,6 @@ bool wxTextAreaBase::SaveFile(const wxString& filename, int fileType)
     return DoSaveFile(filenameToUse, fileType);
 }
 
     return DoSaveFile(filenameToUse, fileType);
 }
 

-bool wxTextCtrlBase::DoSaveFile(const wxString& filename, int fileType)
-{
-    if ( wxTextAreaBase::DoSaveFile(filename, fileType) )
-    {
-        // if it worked, save for future calls
-        m_filename = filename;
-
-        // it's not modified any longer
-        DiscardEdits();
-
-        return true;
-    }
-    return false;
-}
-

 // ----------------------------------------------------------------------------
 // stream-like insertion operator
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // stream-like insertion operator
 // ----------------------------------------------------------------------------


@@ -945,14 +1007,14 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
 #ifndef __WIN32__
     wxChar ch = 0;
     int keycode = event.GetKeyCode();
 #ifndef __WIN32__
     wxChar ch = 0;
     int keycode = event.GetKeyCode();

-    
+

     long from, to;
     GetSelection(&from,&to);
     long insert = GetInsertionPoint();
     long last = GetLastPosition();
     long from, to;
     GetSelection(&from,&to);
     long insert = GetInsertionPoint();
     long last = GetLastPosition();

-    
-    // catch arrow left and right 
-    
+
+    // catch arrow left and right
+

     switch ( keycode )
     {
         case WXK_LEFT:
     switch ( keycode )
     {
         case WXK_LEFT:


@@ -1077,6 +1139,18 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
     return handled;
 }
 
     return handled;
 }
 

+// ----------------------------------------------------------------------------
+// Other miscellaneous stuff
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrlBase::SetHint(const wxString& hint)
+{
+    wxCHECK_MSG( IsSingleLine(), false,
+                 wxS("Hints can only be set for single line text controls") );
+
+    return wxTextEntry::SetHint(hint);
+}
+

 // do the window-specific processing after processing the update event
 void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 {
 // do the window-specific processing after processing the update event
 void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
 {