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[wxWidgets.git] / src / msw / textentry.cpp

///////////////////////////////////////////////////////////////////////////////\r
// Name:        src/msw/textentry.cpp\r
// Purpose:     wxTextEntry implementation for wxMSW\r
// Author:      Vadim Zeitlin\r
// Created:     2007-09-26\r
// RCS-ID:      $Id: wxhead.cpp,v 1.7 2007/01/09 16:22:45 zeitlin Exp $\r
// Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>\r
// Licence:     wxWindows licence\r
///////////////////////////////////////////////////////////////////////////////\r
\r
// ============================================================================\r
// declarations\r
// ============================================================================\r
\r
// ----------------------------------------------------------------------------\r
// headers\r
// ----------------------------------------------------------------------------\r
\r
// for compilers that support precompilation, includes "wx.h".\r
#include "wx/wxprec.h"\r
\r
#ifdef __BORLANDC__\r
    #pragma hdrstop\r
#endif\r
\r
#ifndef WX_PRECOMP\r
#endif // WX_PRECOMP\r
\r
#include "wx/textentry.h"\r
\r
#include "wx/msw/private.h"\r
\r
#define GetEditHwnd() ((HWND)(GetEditHWND()))\r
\r
// ============================================================================\r
// wxTextEntry implementation\r
// ============================================================================\r
\r
void wxTextEntry::WriteText(const wxString& text)\r
{\r
    ::SendMessage(GetEditHwnd(), EM_REPLACESEL, 0, (LPARAM)text.wx_str());\r
}\r
\r
wxString wxTextEntry::GetValue() const\r
{\r
    return wxGetWindowText(GetEditHWND());\r
}\r
\r
void wxTextEntry::Remove(long from, long to)\r
{\r
    DoSetSelection(from, to, SetSel_NoScroll);\r
    WriteText(wxString());\r
}\r
\r
void wxTextEntry::Copy()\r
{\r
    ::SendMessage(GetEditHwnd(), WM_COPY, 0, 0);\r
}\r
\r
void wxTextEntry::Cut()\r
{\r
    ::SendMessage(GetEditHwnd(), WM_CUT, 0, 0);\r
}\r
\r
void wxTextEntry::Paste()\r
{\r
    ::SendMessage(GetEditHwnd(), WM_PASTE, 0, 0);\r
}\r
\r
void wxTextEntry::Undo()\r
{\r
    ::SendMessage(GetEditHwnd(), EM_UNDO, 0, 0);\r
}\r
\r
void wxTextEntry::Redo()\r
{\r
    // same as Undo, since Undo undoes the undo\r
    return Undo();\r
}\r
\r
bool wxTextEntry::CanUndo() const\r
{\r
    return ::SendMessage(GetEditHwnd(), EM_CANUNDO, 0, 0) != 0;\r
}\r
\r
bool wxTextEntry::CanRedo() const\r
{\r
    // see comment in Redo()\r
    return CanUndo();\r
}\r
\r
void wxTextEntry::SetInsertionPoint(long pos)\r
{\r
    // be careful to call DoSetSelection() which is overridden in wxTextCtrl\r
    // and not just SetSelection() here\r
    DoSetSelection(pos, pos);\r
}\r
\r
long wxTextEntry::GetInsertionPoint() const\r
{\r
    long from;\r
    GetSelection(&from, NULL);\r
    return from;\r
}\r
\r
long wxTextEntry::GetLastPosition() const\r
{\r
    return ::SendMessage(GetEditHwnd(), EM_LINELENGTH, 0, 0);\r
}\r
\r
void wxTextEntry::DoSetSelection(long from, long to, int WXUNUSED(flags))\r
{\r
    // if from and to are both -1, it means (in wxWidgets) that all text should\r
    // be selected, translate this into Windows convention\r
    if ( (from == -1) && (to == -1) )\r
    {\r
        from = 0;\r
    }\r
\r
    ::SendMessage(GetEditHwnd(), EM_SETSEL, from, to);\r
}\r
\r
void wxTextEntry::GetSelection(long *from, long *to) const\r
{\r
    DWORD dwStart, dwEnd;\r
    ::SendMessage(GetEditHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);\r
\r
    if ( from )\r
        *from = dwStart;\r
    if ( to )\r
        *to = dwEnd;\r
}\r
\r
bool wxTextEntry::IsEditable() const\r
{\r
    return (::GetWindowLong(GetEditHwnd(), GWL_STYLE) & ES_READONLY) != 0;\r
}\r
\r
void wxTextEntry::SetEditable(bool editable)\r
{\r
    ::SendMessage(GetEditHwnd(), EM_SETREADONLY, !editable, 0);\r
}\r
\r
void wxTextEntry::SetMaxLength(unsigned long len)\r
{\r
    if ( len >= 0xffff )\r
    {\r
        // this will set it to a platform-dependent maximum (much more\r
        // than 64Kb under NT)\r
        len = 0;\r
    }\r
\r
    ::SendMessage(GetEditHwnd(), EM_LIMITTEXT, len, 0);\r
}\r