added wxTextEntry common base class for both wxTextCtrl and wxComboBox; refactor wxGTK code to put common parts of these classes in the base class; fixed some inconsistencies in the text control behaviour between platforms

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48944 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/textentry.h

@@ -0,0 +1,69 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/gtk/textentry.h
+// Purpose:     wxGTK-specific wxTextEntry implementation
+// Author:      Vadim Zeitlin
+// Created:     2007-09-24
+// RCS-ID:      $Id$
+// Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GTK_TEXTENTRY_H_
+#define _WX_GTK_TEXTENTRY_H_
+
+typedef struct _GtkEditable GtkEditable;
+
+// ----------------------------------------------------------------------------
+// wxTextEntry: roughly corresponds to GtkEditable
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxTextEntry : public wxTextEntryBase
+{
+public:
+    wxTextEntry() { }
+
+    // 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();
+    virtual void Cut();
+    virtual void Paste();
+
+    virtual void Undo();
+    virtual void Redo();
+    virtual bool CanUndo() const;
+    virtual bool CanRedo() const;
+
+    virtual void SetInsertionPoint(long pos);
+    virtual long GetInsertionPoint() const;
+    virtual long GetLastPosition() const;
+
+    virtual void SetSelection(long from, long to);
+    virtual void GetSelection(long *from, long *to) const;
+
+    // status
+    virtual bool IsEditable() const;
+    virtual void SetEditable(bool editable);
+
+    // set the max number of characters which may be entered in a single line
+    // text control
+    virtual void SetMaxLength(unsigned long len);
+
+
+    // implementation only from now on
+    void SendMaxLenEvent();
+
+private:
+    // implement this to return the associated window, it will be used for
+    // event generation
+    virtual const wxWindow *GetEditableWindow() const = 0;
+
+    // implement this to return the associated GtkEntry or another widget
+    // implementing GtkEditable
+    virtual GtkEditable *GetEditable() const = 0;
+};
+
+#endif // _WX_GTK_TEXTENTRY_H_
+