c0c133e13b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58757 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
333 lines
11 KiB
C++
333 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msgdlgg.h
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// Purpose: common header and base class for wxMessageDialog
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// Author: Julian Smart
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// Modified by:
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// Created:
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSGDLG_H_BASE_
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#define _WX_MSGDLG_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_MSGDLG
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#include "wx/dialog.h"
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#include "wx/stockitem.h"
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WXDLLIMPEXP_DATA_CORE(extern const char) wxMessageBoxCaptionStr[];
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// ----------------------------------------------------------------------------
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// wxMessageDialogBase: base class defining wxMessageDialog interface
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxMessageDialogBase : public wxDialog
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{
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public:
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// helper class for SetXXXLabels() methods: it makes it possible to pass
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// either a stock id (wxID_CLOSE) or a string ("&Close") to them
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class ButtonLabel
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{
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public:
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// ctors are not explicit, objects of this class can be implicitly
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// constructed from either stock ids or strings
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ButtonLabel(int stockId)
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: m_stockId(stockId)
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{
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wxASSERT_MSG( wxIsStockID(stockId), "invalid stock id" );
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}
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ButtonLabel(const wxString& label)
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: m_label(label), m_stockId(wxID_NONE)
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{
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}
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ButtonLabel(const char *label)
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: m_label(label), m_stockId(wxID_NONE)
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{
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}
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ButtonLabel(const wchar_t *label)
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: m_label(label), m_stockId(wxID_NONE)
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{
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}
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ButtonLabel(const wxCStrData& label)
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: m_label(label), m_stockId(wxID_NONE)
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{
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}
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// default copy ctor and dtor are ok
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// get the string label, whether it was originally specified directly
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// or as a stock id -- this is only useful for platforms without native
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// stock items id support
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wxString GetAsString() const
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{
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return m_stockId == wxID_NONE ? m_label
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: wxGetStockLabel(m_stockId);
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}
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// return the stock id or wxID_NONE if this is not a stock label
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int GetStockId() const { return m_stockId; }
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private:
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// the label if explicitly given or empty if this is a stock item
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const wxString m_label;
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// the stock item id or wxID_NONE if m_label should be used
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const int m_stockId;
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};
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// ctors
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wxMessageDialogBase() { m_dialogStyle = 0; }
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wxMessageDialogBase(wxWindow *parent,
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const wxString& message,
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const wxString& caption,
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long style)
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: m_message(message),
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m_caption(caption)
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{
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m_parent = parent;
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SetMessageDialogStyle(style);
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}
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// virtual dtor for the base class
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virtual ~wxMessageDialogBase() { }
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// methods for setting up more custom message dialogs -- all functions
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// return false if they're not implemented
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virtual bool SetYesNoLabels(const ButtonLabel& WXUNUSED(yes),
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const ButtonLabel& WXUNUSED(no))
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{
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return false;
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}
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virtual bool SetYesNoCancelLabels(const ButtonLabel& WXUNUSED(yes),
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const ButtonLabel& WXUNUSED(no),
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const ButtonLabel& WXUNUSED(cancel))
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{
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return false;
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}
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virtual bool SetOKLabel(const ButtonLabel& WXUNUSED(ok))
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{
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return false;
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}
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virtual bool SetOKCancelLabels(const ButtonLabel& WXUNUSED(ok),
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const ButtonLabel& WXUNUSED(cancel))
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{
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return false;
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}
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virtual void SetMessage(const wxString& message)
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{
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m_message = message;
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}
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virtual void SetExtendedMessage(const wxString& extendedMessage)
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{
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m_extendedMessage = extendedMessage;
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}
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// change the dialog style flag
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void SetMessageDialogStyle(long style)
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{
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#ifdef __WXDEBUG__
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wxASSERT_MSG( ((style & wxYES_NO) == wxYES_NO) || !(style & wxYES_NO),
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"wxYES and wxNO may only be used together" );
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wxASSERT_MSG( !(style & wxYES) || !(style & wxOK),
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"wxOK and wxYES/wxNO can't be used together" );
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wxASSERT_MSG( (style & wxYES) || (style & wxOK),
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"one of wxOK and wxYES/wxNO must be used" );
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wxASSERT_MSG( (style & wxID_OK) != wxID_OK,
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"wxMessageBox: Did you mean wxOK (and not wxID_OK)?" );
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if ((style & wxNO_DEFAULT) != 0 && (style & wxNO) == 0)
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wxFAIL_MSG("wxNO_DEFAULT is invalid without wxNO");
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if ((style & wxCANCEL_DEFAULT) != 0 && (style & wxCANCEL) == 0)
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wxFAIL_MSG("wxCANCEL_DEFAULT is invalid without wxCANCEL");
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if ((style & wxCANCEL_DEFAULT) != 0 && (style & wxNO_DEFAULT) != 0)
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wxFAIL_MSG("only one default button can be specified");
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#endif
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m_dialogStyle = style;
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}
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protected:
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long GetMessageDialogStyle() const { return m_dialogStyle; }
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// for the platforms not supporting separate main and extended messages
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// this function should be used to combine both of them in a single string
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wxString GetFullMessage() const
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{
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wxString msg = m_message;
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if ( !m_extendedMessage.empty() )
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msg << "\n\n" << m_extendedMessage;
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return msg;
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}
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wxString m_message,
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m_extendedMessage,
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m_caption;
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long m_dialogStyle;
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wxDECLARE_NO_COPY_CLASS(wxMessageDialogBase);
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};
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// this is a helper class for native wxMessageDialog implementations which need
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// to store the custom button labels as member variables and then use them in
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// ShowModal() (there could conceivably be a port which would have some native
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// functions for setting these labels immediately and we also don't need to
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// store them at all if custom labels are not supported, which is why we do
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// this in a separate class and not wxMessageDialogBase itself)
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#if defined(__WXCOCOA__) || \
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defined(__WXGTK20__) || \
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defined(__WXMAC__) || \
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defined(__WXMSW__)
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class WXDLLIMPEXP_CORE wxMessageDialogWithCustomLabels
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: public wxMessageDialogBase
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{
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public:
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// ctors
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wxMessageDialogWithCustomLabels() { }
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wxMessageDialogWithCustomLabels(wxWindow *parent,
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const wxString& message,
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const wxString& caption,
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long style)
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: wxMessageDialogBase(parent, message, caption, style)
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{
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}
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// customization of the message box buttons
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virtual bool SetYesNoLabels(const ButtonLabel& yes,const ButtonLabel& no)
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{
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DoSetCustomLabel(m_yes, yes);
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DoSetCustomLabel(m_no, no);
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return true;
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}
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virtual bool SetYesNoCancelLabels(const ButtonLabel& yes,
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const ButtonLabel& no,
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const ButtonLabel& cancel)
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{
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DoSetCustomLabel(m_yes, yes);
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DoSetCustomLabel(m_no, no);
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DoSetCustomLabel(m_cancel, cancel);
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return true;
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}
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virtual bool SetOKLabel(const ButtonLabel& ok)
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{
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DoSetCustomLabel(m_ok, ok);
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return true;
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}
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virtual bool SetOKCancelLabels(const ButtonLabel& ok,
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const ButtonLabel& cancel)
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{
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DoSetCustomLabel(m_ok, ok);
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DoSetCustomLabel(m_cancel, cancel);
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return true;
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}
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protected:
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// test if any custom labels were set
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bool HasCustomLabels() const
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{
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return !(m_ok.empty() && m_cancel.empty() &&
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m_yes.empty() && m_no.empty());
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}
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// these functions return the label to be used for the button which is
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// either a custom label explicitly set by the user or the default label,
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// i.e. they always return a valid string
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wxString GetYesLabel() const
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{ return m_yes.empty() ? GetDefaultYesLabel() : m_yes; }
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wxString GetNoLabel() const
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{ return m_no.empty() ? GetDefaultNoLabel() : m_no; }
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wxString GetOKLabel() const
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{ return m_ok.empty() ? GetDefaultOKLabel() : m_ok; }
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wxString GetCancelLabel() const
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{ return m_cancel.empty() ? GetDefaultCancelLabel() : m_cancel; }
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// this function is called by our public SetXXXLabels() and should assign
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// the value to var with possibly some transformation (e.g. Cocoa version
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// currently uses this to remove any accelerators from the button strings
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// while GTK+ one handles stock items specifically here)
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virtual void DoSetCustomLabel(wxString& var, const ButtonLabel& label)
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{
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var = label.GetAsString();
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}
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private:
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// these functions may be overridden to provide different defaults for the
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// default button labels (this is used by wxGTK)
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virtual wxString GetDefaultYesLabel() const { return _("Yes"); }
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virtual wxString GetDefaultNoLabel() const { return _("No"); }
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virtual wxString GetDefaultOKLabel() const { return _("OK"); }
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virtual wxString GetDefaultCancelLabel() const { return _("Cancel"); }
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// labels for the buttons, initially empty meaning that the defaults should
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// be used, use GetYes/No/OK/CancelLabel() to access them
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wxString m_yes,
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m_no,
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m_ok,
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m_cancel;
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wxDECLARE_NO_COPY_CLASS(wxMessageDialogWithCustomLabels);
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};
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#endif // ports needing wxMessageDialogWithCustomLabels
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#if defined(__WX_COMPILING_MSGDLGG_CPP__) || \
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defined(__WXUNIVERSAL__) || defined(__WXGPE__) || \
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(defined(__WXGTK__) && !defined(__WXGTK20__))
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#include "wx/generic/msgdlgg.h"
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#define wxMessageDialog wxGenericMessageDialog
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#elif defined(__WXCOCOA__)
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#include "wx/cocoa/msgdlg.h"
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#elif defined(__WXPALMOS__)
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#include "wx/palmos/msgdlg.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/msgdlg.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/msgdlg.h"
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#elif defined(__WXGTK20__)
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#include "wx/gtk/msgdlg.h"
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#elif defined(__WXMAC__)
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#include "wx/osx/msgdlg.h"
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#elif defined(__WXPM__)
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#include "wx/os2/msgdlg.h"
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#endif
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// ----------------------------------------------------------------------------
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// wxMessageBox: the simplest way to use wxMessageDialog
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// ----------------------------------------------------------------------------
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int WXDLLIMPEXP_CORE wxMessageBox(const wxString& message,
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const wxString& caption = wxMessageBoxCaptionStr,
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long style = wxOK | wxCENTRE,
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wxWindow *parent = NULL,
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int x = wxDefaultCoord, int y = wxDefaultCoord);
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#endif // wxUSE_MSGDLG
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#endif // _WX_MSGDLG_H_BASE_
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