Added wxTextEntry implementation for OS/2.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50064 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/os2/textentry.cpp

@@ -0,0 +1,206 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/os2/textentry.cpp
+// Purpose:     wxTextEntry implementation for wxOS2
+// Author:      Stefan Neis
+// Created:     2007-11-18
+// RCS-ID:      $Id$
+// Copyright:   (c) 2007 Stefan Neis
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/arrstr.h"
+    #include "wx/string.h"
+#endif // WX_PRECOMP
+
+#if wxUSE_TEXTCTRL || wxUSE_COMBOBOX
+
+#include "wx/textentry.h"
+#include "wx/dynlib.h"
+
+#include "wx/os2/private.h"
+
+#define GetEditHwnd() ((HWND)(GetEditHWND()))
+
+// ============================================================================
+// wxTextEntry implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// operations on text
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::WriteText(const wxString& text)
+{
+    wxString newText = wxGetWindowText(GetEditHWND());
+    long from, to;
+    GetSelection(&from, &to);
+    if (from > to){
+      long swp = to;
+      to = from;
+      from = swp;
+    }
+    // Compose the new Text by replacing the selection of the old text
+    newText.replace(from, to - from, text);
+    // Set control to the new text
+    ::WinSetWindowText(GetEditHwnd(), text.c_str());
+}
+
+wxString wxTextEntry::GetValue() const
+{
+    return wxGetWindowText(GetEditHWND());
+}
+
+void wxTextEntry::Remove(long from, long to)
+{
+    DoSetSelection(from, to, SetSel_NoScroll);
+    WriteText(wxString());
+}
+
+// ----------------------------------------------------------------------------
+// clipboard operations
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::Copy()
+{
+    ::WinSendMsg(GetEditHwnd(), EM_COPY, 0, 0);
+}
+
+void wxTextEntry::Cut()
+{
+    ::WinSendMsg(GetEditHwnd(), EM_CUT, 0, 0);
+}
+
+void wxTextEntry::Paste()
+{
+    ::WinSendMsg(GetEditHwnd(), EM_PASTE, 0, 0);
+}
+
+// ----------------------------------------------------------------------------
+// undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::Undo()
+{
+}
+
+void wxTextEntry::Redo()
+{
+    // same as Undo, since Undo undoes the undo
+    Undo();
+    return;
+}
+
+bool wxTextEntry::CanUndo() const
+{
+    return false;
+}
+
+bool wxTextEntry::CanRedo() const
+{
+    // see comment in Redo()
+    return CanUndo();
+}
+
+// ----------------------------------------------------------------------------
+// insertion point and selection
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::SetInsertionPoint(long pos)
+{
+    // be careful to call DoSetSelection() which is overridden in wxTextCtrl
+    // and not just SetSelection() here
+    DoSetSelection(pos, pos);
+}
+
+long wxTextEntry::GetInsertionPoint() const
+{
+    long from;
+    GetSelection(&from, NULL);
+    return from;
+}
+
+long wxTextEntry::GetLastPosition() const
+{
+    WNDPARAMS                   vParams;
+
+    vParams.fsStatus = WPM_CCHTEXT;
+    if (::WinSendMsg( GetEditHwnd()
+                     ,WM_QUERYWINDOWPARAMS
+                     ,&vParams
+                     ,0
+                    ))
+    {
+        return vParams.cchText;
+    }
+    return 0;
+}
+
+void wxTextEntry::DoSetSelection(long from, long to, int WXUNUSED(flags))
+{
+    // if from and to are both -1, it means (in wxWidgets) that all text should
+    // be selected, translate this into Windows convention
+    if ( (from == -1) && (to == -1) )
+    {
+        from = 0;
+    }
+
+    ::WinSendMsg(GetEditHwnd(), EM_SETSEL, MPFROM2SHORT((USHORT)from, (USHORT)to), 0);
+}
+
+void wxTextEntry::GetSelection(long *from, long *to) const
+{
+    long dwPos;
+    dwPos = (long)::WinSendMsg(GetEditHwnd(), EM_QUERYSEL, 0, 0);
+
+    if ( from )
+        *from = SHORT1FROMMP((MPARAM)dwPos);
+    if ( to )
+        *to = SHORT2FROMMP((MPARAM)dwPos);
+}
+
+// ----------------------------------------------------------------------------
+// editable state
+// ----------------------------------------------------------------------------
+
+bool wxTextEntry::IsEditable() const
+{
+    return (bool)LONGFROMMR(::WinSendMsg(GetEditHwnd(), EM_QUERYREADONLY, 0, 0));
+}
+
+void wxTextEntry::SetEditable(bool editable)
+{
+    ::WinSendMsg(GetEditHwnd(), EM_SETREADONLY, MPFROMLONG(!editable), 0);
+}
+
+// ----------------------------------------------------------------------------
+// max length
+// ----------------------------------------------------------------------------
+
+void wxTextEntry::SetMaxLength(unsigned long len)
+{
+    if ( len >= 0x7fff )
+    {
+        // this will set it to a platform-specific maximum (32Kb under OS/2)
+        len = 0x7fff;
+    }
+
+    ::WinSendMsg(GetEditHwnd(), EM_SETTEXTLIMIT, MPFROMSHORT(len), 0);
+}
+
+#endif // wxUSE_TEXTCTRL || wxUSE_COMBOBOX