added wxTextEntry::DoGetValue() to allow returning empty string if the control currently contains hint text

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59265 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/srchctlg.h

@@ -69,9 +69,6 @@ public:
     // accessors
     // ---------
 
-    virtual wxString GetValue() const;
-    virtual void SetValue(const wxString& value);
-
     virtual wxString GetRange(long from, long to) const;
 
     virtual int GetLineLength(long lineNo) const;
@@ -204,6 +201,9 @@ public:
 
 protected:
     virtual void DoSetValue(const wxString& value, int flags);
+    virtual wxString DoGetValue() const;
+    virtual void SetValue(const wxString& value);
+
     virtual bool DoLoadFile(const wxString& file, int fileType);
     virtual bool DoSaveFile(const wxString& file, int fileType);
 

include/wx/gtk/textentry.h

@@ -24,7 +24,6 @@ public:
 
     // implement wxTextEntryBase pure virtual methods
     virtual void WriteText(const wxString& text);
-    virtual wxString GetValue() const;
     virtual void Remove(long from, long to);
 
     virtual void Copy();
@@ -53,6 +52,9 @@ public:
     // implementation only from now on
     void SendMaxLenEvent();
 
+protected:
+    virtual wxString DoGetValue() const;
+
 private:
     // implement this to return the associated GtkEntry or another widget
     // implementing GtkEditable

include/wx/motif/textentry.h

@@ -22,7 +22,6 @@ public:
 
     // implement wxTextEntryBase pure virtual methods
     virtual void WriteText(const wxString& text);
-    virtual wxString GetValue() const;
     virtual void Replace(long from, long to, const wxString& value);
     virtual void Remove(long from, long to);
 
@@ -46,6 +45,8 @@ public:
     virtual void SetEditable(bool editable);
 
 protected:
+    virtual wxString DoGetValue() const;
+
     // translate wx text position (which may be -1 meaning "last one") to a
     // valid Motif text position
     long GetMotifPos(long pos) const;

include/wx/msw/textentry.h

@@ -59,6 +59,8 @@ public:
 #endif // wxUSE_UXTHEME
 
 protected:
+    virtual wxString DoGetValue() const;
+
     // this is really a hook for multiline text controls as the single line
     // ones don't need to ever scroll to show the selection but having it here
     // allows us to put Remove() in the base class

include/wx/os2/textentry.h

@@ -22,7 +22,6 @@ public:
 
     // implement wxTextEntryBase pure virtual methods
     virtual void WriteText(const wxString& text);
-    virtual wxString GetValue() const;
     virtual void Remove(long from, long to);
 
     virtual void Copy();
@@ -48,6 +47,8 @@ public:
     virtual void SetMaxLength(unsigned long len);
 
 protected:
+    virtual wxString DoGetValue() const;
+
     // this is really a hook for multiline text controls as the single line
     // ones don't need to ever scroll to show the selection but having it here
     // allows us to put Remove() in the base class

include/wx/textentry.h

@@ -44,7 +44,7 @@ public:
     virtual void WriteText(const wxString& text) = 0;
     virtual void AppendText(const wxString& text);
 
-    virtual wxString GetValue() const = 0;
+    virtual wxString GetValue() const;
     virtual wxString GetRange(long from, long to) const;
     bool IsEmpty() const { return GetLastPosition() <= 0; }
 
@@ -152,6 +152,7 @@ protected:
     };
 
     virtual void DoSetValue(const wxString& value, int flags);
+    virtual wxString DoGetValue() const = 0;
 
     // class which should be used to temporarily disable text change events
     //