Better support for unspecified property value in wxDateProperty and DatePickerCtrl...

[wxWidgets.git] / include / wx / cmndata.h

diff --git a/include/wx/cmndata.h b/include/wx/cmndata.h
index 5aa5f102f7fb892ff82df56a2c87351ac88de208..31269412d8b4f96231e8f610a3c5194d4ac397e9 100644 (file)
--- a/include/wx/cmndata.h
+++ b/include/wx/cmndata.h
@@ -26,11 +26,18 @@
 class WXDLLIMPEXP_FWD_CORE wxPrintNativeDataBase;
 
 
-class WXDLLEXPORT wxColourData: public wxObject
+class WXDLLIMPEXP_CORE wxColourData : public wxObject
 {
 public:
+    // number of custom colours we store
+    enum
+    {
+        NUM_CUSTOM = 16
+    };
+
     wxColourData();
     wxColourData(const wxColourData& data);
+    wxColourData& operator=(const wxColourData& data);
     virtual ~wxColourData();
 
     void SetChooseFull(bool flag) { m_chooseFull = flag; }
@@ -39,22 +46,27 @@ public:
     const wxColour& GetColour() const { return m_dataColour; }
     wxColour& GetColour() { return m_dataColour; }
 
-    // Array of 16 custom colours
+    // SetCustomColour() modifies colours in an internal array of NUM_CUSTOM
+    // custom colours;
     void SetCustomColour(int i, const wxColour& colour);
-    wxColour GetCustomColour(int i);
+    wxColour GetCustomColour(int i) const;
 
-    void operator=(const wxColourData& data);
+    // Serialize the object to a string and restore it from it
+    wxString ToString() const;
+    bool FromString(const wxString& str);
 
+
+    // public for backwards compatibility only: don't use directly
 public:
     wxColour        m_dataColour;
-    wxColour        m_custColours[16];
+    wxColour        m_custColours[NUM_CUSTOM];
     bool            m_chooseFull;
 
 private:
     DECLARE_DYNAMIC_CLASS(wxColourData)
 };
 
-class WXDLLEXPORT wxFontData : public wxObject
+class WXDLLIMPEXP_CORE wxFontData : public wxObject
 {
 public:
     wxFontData();
@@ -77,17 +89,20 @@ public:
 
     wxFontData& operator=(const wxFontData& data)
     {
-        wxObject::operator=(data);
-        m_fontColour     = data.m_fontColour;
-        m_showHelp       = data.m_showHelp;
-        m_allowSymbols   = data.m_allowSymbols;
-        m_enableEffects  = data.m_enableEffects;
-        m_initialFont    = data.m_initialFont;
-        m_chosenFont     = data.m_chosenFont;
-        m_minSize        = data.m_minSize;
-        m_maxSize        = data.m_maxSize;
-        m_encoding       = data.m_encoding;
-        m_encodingInfo   = data.m_encodingInfo;
+        if (&data != this)
+        {
+            wxObject::operator=(data);
+            m_fontColour     = data.m_fontColour;
+            m_showHelp       = data.m_showHelp;
+            m_allowSymbols   = data.m_allowSymbols;
+            m_enableEffects  = data.m_enableEffects;
+            m_initialFont    = data.m_initialFont;
+            m_chosenFont     = data.m_chosenFont;
+            m_minSize        = data.m_minSize;
+            m_maxSize        = data.m_maxSize;
+            m_encoding       = data.m_encoding;
+            m_encodingInfo   = data.m_encodingInfo;
+        }
         return *this;
     }
 
@@ -168,7 +183,7 @@ enum wxPrintBin
 
 const int wxPRINTMEDIA_DEFAULT = 0;
 
-class WXDLLEXPORT wxPrintData: public wxObject
+class WXDLLIMPEXP_CORE wxPrintData: public wxObject
 {
 public:
     wxPrintData();
@@ -213,7 +228,7 @@ public:
     wxString GetFilename() const { return m_filename; }
     void SetFilename( const wxString &filename ) { m_filename = filename; }
 
-    void operator=(const wxPrintData& data);
+    wxPrintData& operator=(const wxPrintData& data);
 
     char* GetPrivData() const { return m_privData; }
     int GetPrivDataLen() const { return m_privDataLen; }
@@ -261,7 +276,7 @@ private:
  * from the dialog.
  */
 
-class WXDLLEXPORT wxPrintDialogData: public wxObject
+class WXDLLIMPEXP_CORE wxPrintDialogData: public wxObject
 {
 public:
     wxPrintDialogData();
@@ -336,7 +351,7 @@ private:
 // Compatibility with old name
 #define wxPageSetupData wxPageSetupDialogData
 
-class WXDLLEXPORT wxPageSetupDialogData: public wxObject
+class WXDLLIMPEXP_CORE wxPageSetupDialogData: public wxObject
 {
 public:
     wxPageSetupDialogData();