wxTextEntry::SetMargins(), GetMargins() - implemented on wxMSW and wxGTK (GTK+ 2.10+); also added similar functions into wxComboCtrl, deprecated old indent-functions; wxPropertyGrid modified to use the new functionality

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61834 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/textentry.h

@@ -142,6 +142,20 @@ public:
     virtual wxString GetHint() const;
 
 
+    // margins
+    // -------
+
+    // margins are the empty space between borders of control and the text
+    // itself. When setting margin, use value -1 to indicate that specific
+    // margin should not be changed.
+
+    bool SetMargins(const wxPoint& pt)
+        { return DoSetMargins(pt); }
+    bool SetMargins(wxCoord left, wxCoord top = -1)
+        { return DoSetMargins(wxPoint(left, top)); }
+    wxPoint GetMargins() const
+        { return DoGetMargins(); }
+
 protected:
     // flags for DoSetValue(): common part of SetValue() and ChangeValue() and
     // also used to implement WriteText() in wxMSW
@@ -159,6 +173,10 @@ protected:
     // generation and also by generic hints implementation
     virtual wxWindow *GetEditableWindow() = 0;
 
+    // margins functions
+    virtual bool DoSetMargins(const wxPoint& pt);
+    virtual wxPoint DoGetMargins() const;
+
 
     // class which should be used to temporarily disable text change events
     //