git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63035 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			332 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			332 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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| 
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| #ifndef _WX_MSGDLG_H_BASE_
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| #define _WX_MSGDLG_H_BASE_
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| 
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| #include "wx/defs.h"
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| 
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| #if wxUSE_MSGDLG
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| 
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| #include "wx/dialog.h"
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| #include "wx/stockitem.h"
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| 
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| WXDLLIMPEXP_DATA_CORE(extern const char) wxMessageBoxCaptionStr[];
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| 
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| // ----------------------------------------------------------------------------
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| // wxMessageDialogBase: base class defining wxMessageDialog interface
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| // ----------------------------------------------------------------------------
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         // default copy ctor and dtor are ok
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| 
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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
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|                     ? m_label
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|                     : wxGetStockLabel(m_stockId, wxSTOCK_FOR_BUTTON);
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|         }
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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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| 
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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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| 
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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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| 
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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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| 
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|     // virtual dtor for the base class
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|     virtual ~wxMessageDialogBase() { }
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| 
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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|         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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| 
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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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| 
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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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| 
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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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| 
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|         wxASSERT_MSG( !(style & wxNO_DEFAULT) || (style & wxNO),
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|                       "wxNO_DEFAULT is invalid without wxNO" );
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| 
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|         wxASSERT_MSG( !(style & wxCANCEL_DEFAULT) || (style & wxCANCEL),
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|                       "wxCANCEL_DEFAULT is invalid without wxCANCEL" );
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| 
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|         wxASSERT_MSG( !(style & wxCANCEL_DEFAULT) || !(style & wxNO_DEFAULT),
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|                       "only one default button can be specified" );
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| 
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|         m_dialogStyle = style;
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|     }
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| 
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| protected:
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|     long GetMessageDialogStyle() const { return m_dialogStyle; }
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| 
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| 
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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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| 
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|         return msg;
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|     }
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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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| 
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|     wxDECLARE_NO_COPY_CLASS(wxMessageDialogBase);
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| };
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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 wxGetTranslation("Yes"); }
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|     virtual wxString GetDefaultNoLabel() const { return wxGetTranslation("No"); }
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|     virtual wxString GetDefaultOKLabel() const { return wxGetTranslation("OK"); }
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|     virtual wxString GetDefaultCancelLabel() const { return wxGetTranslation("Cancel"); }
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| 
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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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| 
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|     wxDECLARE_NO_COPY_CLASS(wxMessageDialogWithCustomLabels);
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| };
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| 
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| #endif // ports needing wxMessageDialogWithCustomLabels
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| 
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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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| 
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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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| // ----------------------------------------------------------------------------
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| // wxMessageBox: the simplest way to use wxMessageDialog
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| // ----------------------------------------------------------------------------
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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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| 
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| #endif // wxUSE_MSGDLG
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| 
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| #endif // _WX_MSGDLG_H_BASE_
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