Return old, not new, selection from wxMSW wxNotebook::ChangeSelection().

[wxWidgets.git] / include / wx / propgrid / property.h

diff --git a/include/wx/propgrid/property.h b/include/wx/propgrid/property.h
index 9ec2776a80e421bf74b22acc99ad65ea431d1901..99027163b7457bab95cd3e9a6e800f049d12cdb6 100644 (file)
--- a/include/wx/propgrid/property.h
+++ b/include/wx/propgrid/property.h
@@ -98,7 +98,11 @@ public:
                               DontUseCellBgCol
     };
 
-    virtual void Render( wxDC& dc,
+    /**
+        Returns @true if rendered something in the foreground (text or
+        bitmap.
+    */
+    virtual bool Render( wxDC& dc,
                          const wxRect& rect,
                          const wxPropertyGrid* propertyGrid,
                          wxPGProperty* property,
@@ -171,7 +175,7 @@ public:
 class WXDLLIMPEXP_PROPGRID wxPGDefaultRenderer : public wxPGCellRenderer
 {
 public:
-    virtual void Render( wxDC& dc,
+    virtual bool Render( wxDC& dc,
                          const wxRect& rect,
                          const wxPropertyGrid* propertyGrid,
                          wxPGProperty* property,
@@ -254,6 +258,11 @@ public:
         return (m_refData && GetData()->m_hasValidText);
     }
 
+    /**
+        Sets empty but valid data to this cell object.
+    */
+    void SetEmptyData();
+
     /**
         Merges valid data from srcCell into this.
     */
@@ -541,10 +550,17 @@ wxPG_PROP_BEING_DELETED             = 0x00200000
 */
 #define wxPG_ATTR_UNITS                     wxS("Units")
 
-/** Universal, string. When set, will be shown in property's value cell
-    when displayed value string is empty, or value is unspecified.
+/** When set, will be shown as 'greyed' text in property's value cell when
+    the actual displayed value is blank.
+*/
+#define wxPG_ATTR_HINT                      wxS("Hint")
+
+#if wxPG_COMPATIBILITY_1_4
+/**
+    @deprecated Use "Hint" (wxPG_ATTR_HINT) instead.
 */
 #define wxPG_ATTR_INLINE_HELP               wxS("InlineHelp")
+#endif
 
 /** Universal, wxArrayString. Set to enable auto-completion in any
     wxTextCtrl-based property editor.
@@ -678,8 +694,12 @@ wxPG_PROP_BEING_DELETED             = 0x00200000
 #define wxPG_ATTR_MAX                     wxPGGlobalVars->m_strMax
 #undef wxPG_ATTR_UNITS
 #define wxPG_ATTR_UNITS                   wxPGGlobalVars->m_strUnits
+#undef wxPG_ATTR_HINT
+#define wxPG_ATTR_HINT                    wxPGGlobalVars->m_strHint
+#if wxPG_COMPATIBILITY_1_4
 #undef wxPG_ATTR_INLINE_HELP
 #define wxPG_ATTR_INLINE_HELP             wxPGGlobalVars->m_strInlineHelp
+#endif
 
 #endif  // !SWIG
 
@@ -1436,12 +1456,16 @@ public:
     */
     virtual void RefreshChildren();
 
-    /** Special handling for attributes of this property.
+    /**
+        Reimplement this member function to add special handling for
+        attributes of this property.
 
-        If returns false, then the attribute will be automatically stored in
-        m_attributes.
+        @return Return @false to have the attribute automatically stored in
+                m_attributes. Default implementation simply does that and
+                nothing else.
 
-        Default implementation simply returns false.
+        @remarks To actually set property attribute values from the
+                 application, use wxPGProperty::SetAttribute() instead.
     */
     virtual bool DoSetAttribute( const wxString& name, wxVariant& value );
 
@@ -1633,6 +1657,11 @@ public:
         return GetValueAsString(0);
     }
 
+    /**
+        Returns property's hint text (shown in empty value cell).
+    */
+    inline wxString GetHintText() const;
+
     /** Returns property grid where property lies. */
     wxPropertyGrid* GetGrid() const;
 
@@ -2463,6 +2492,7 @@ public:
     int GetTextExtent( const wxWindow* wnd, const wxFont& font ) const;
 
     virtual wxString ValueToString( wxVariant& value, int argFlags ) const;
+    virtual wxString GetValueAsString( int argFlags = 0 ) const;
 
 protected:
     void SetTextColIndex( unsigned int colInd )