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

src/common/textentrycmn.cpp

@@ -0,0 +1,103 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/common/textentrycmn.cpp
+// Purpose:     wxTextEntryBase implementation
+// Author:      Vadim Zeitlin
+// Created:     2007-09-26
+// RCS-ID:      $Id$
+// Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_TEXTCTRL || wxUSE_COMBOBOX
+
+#ifndef WX_PRECOMP
+#endif //WX_PRECOMP
+
+#include "wx/textentry.h"
+
+// ============================================================================
+// wxTextEntryBase implementation
+// ============================================================================
+
+wxString wxTextEntryBase::GetRange(long from, long to) const
+{
+    wxString sel;
+    if ( from < to )
+    {
+        sel = GetValue().substr(from, to - from);
+    }
+
+    return sel;
+}
+
+void wxTextEntryBase::AppendText(const wxString& text)
+{
+    SetInsertionPointEnd();
+    WriteText(text);
+}
+
+void wxTextEntryBase::DoSetValue(const wxString& value, int flags)
+{
+    EventsSuppressor noeventsIf(this, !(flags & SetValue_SendEvent));
+
+    SelectAll();
+    WriteText(value);
+}
+
+void wxTextEntryBase::Replace(long from, long to, const wxString& value)
+{
+    {
+        EventsSuppressor noevents(this);
+        Remove(from, to);
+    }
+
+    WriteText(value);
+}
+
+bool wxTextEntryBase::HasSelection() const
+{
+    long from, to;
+    GetSelection(&from, &to);
+
+    return from < to;
+}
+
+wxString wxTextEntryBase::GetStringSelection() const
+{
+    long from, to;
+    GetSelection(&from, &to);
+
+    return GetRange(from, to);
+}
+
+bool wxTextEntryBase::CanCopy() const
+{
+    return HasSelection();
+}
+
+bool wxTextEntryBase::CanCut() const
+{
+    return CanCopy() && IsEditable();
+}
+
+bool wxTextEntryBase::CanPaste() const
+{
+    return IsEditable();
+}
+
+#endif // wxUSE_TEXTCTRL || wxUSE_COMBOBOX