+#include "wx/defs.h"
+
+#if wxUSE_MSGDLG
+
+#include "wx/dialog.h"
+#include "wx/stockitem.h"
+
+extern WXDLLIMPEXP_DATA_CORE(const char) wxMessageBoxCaptionStr[];
+
+// ----------------------------------------------------------------------------
+// wxMessageDialogBase: base class defining wxMessageDialog interface
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxMessageDialogBase : public wxDialog
+{
+public:
+ // helper class for SetXXXLabels() methods: it makes it possible to pass
+ // either a stock id (wxID_CLOSE) or a string ("&Close") to them
+ class ButtonLabel
+ {
+ public:
+ // ctors are not explicit, objects of this class can be implicitly
+ // constructed from either stock ids or strings
+ ButtonLabel(int stockId)
+ : m_stockId(stockId)
+ {
+ wxASSERT_MSG( wxIsStockID(stockId), "invalid stock id" );
+ }
+
+ ButtonLabel(const wxString& label)
+ : m_label(label), m_stockId(wxID_NONE)
+ {
+ }
+
+ ButtonLabel(const char *label)
+ : m_label(label), m_stockId(wxID_NONE)
+ {
+ }
+
+ ButtonLabel(const wchar_t *label)
+ : m_label(label), m_stockId(wxID_NONE)
+ {
+ }
+
+ ButtonLabel(const wxCStrData& label)
+ : m_label(label), m_stockId(wxID_NONE)
+ {
+ }
+
+ // default copy ctor and dtor are ok
+
+ // get the string label, whether it was originally specified directly
+ // or as a stock id -- this is only useful for platforms without native
+ // stock items id support
+ wxString GetAsString() const
+ {
+ return m_stockId == wxID_NONE
+ ? m_label
+ : wxGetStockLabel(m_stockId, wxSTOCK_FOR_BUTTON);
+ }
+
+ // return the stock id or wxID_NONE if this is not a stock label
+ int GetStockId() const { return m_stockId; }
+
+ private:
+ // the label if explicitly given or empty if this is a stock item
+ const wxString m_label;
+
+ // the stock item id or wxID_NONE if m_label should be used
+ const int m_stockId;
+ };
+
+ // ctors
+ wxMessageDialogBase() { m_dialogStyle = 0; }
+ wxMessageDialogBase(wxWindow *parent,
+ const wxString& message,
+ const wxString& caption,
+ long style)
+ : m_message(message),
+ m_caption(caption)
+ {
+ m_parent = parent;
+ SetMessageDialogStyle(style);
+ }
+
+ // virtual dtor for the base class
+ virtual ~wxMessageDialogBase() { }
+
+ wxString GetCaption() const { return m_caption; }
+
+ virtual void SetMessage(const wxString& message)
+ {
+ m_message = message;
+ }
+
+ wxString GetMessage() const { return m_message; }
+
+ void SetExtendedMessage(const wxString& extendedMessage)
+ {
+ m_extendedMessage = extendedMessage;
+ }
+
+ wxString GetExtendedMessage() const { return m_extendedMessage; }
+
+ // change the dialog style flag
+ void SetMessageDialogStyle(long style)
+ {
+ wxASSERT_MSG( ((style & wxYES_NO) == wxYES_NO) || !(style & wxYES_NO),
+ "wxYES and wxNO may only be used together" );
+
+ wxASSERT_MSG( !(style & wxYES) || !(style & wxOK),
+ "wxOK and wxYES/wxNO can't be used together" );
+
+ // It is common to specify just the icon, without wxOK, in the existing
+ // code, especially one written by Windows programmers as MB_OK is 0
+ // and so they're used to omitting wxOK. Don't complain about it but
+ // just add wxOK implicitly for compatibility.
+ if ( !(style & wxYES) && !(style & wxOK) )
+ style |= wxOK;
+
+ wxASSERT_MSG( (style & wxID_OK) != wxID_OK,
+ "wxMessageBox: Did you mean wxOK (and not wxID_OK)?" );
+
+ wxASSERT_MSG( !(style & wxNO_DEFAULT) || (style & wxNO),
+ "wxNO_DEFAULT is invalid without wxNO" );
+
+ wxASSERT_MSG( !(style & wxCANCEL_DEFAULT) || (style & wxCANCEL),
+ "wxCANCEL_DEFAULT is invalid without wxCANCEL" );
+
+ wxASSERT_MSG( !(style & wxCANCEL_DEFAULT) || !(style & wxNO_DEFAULT),
+ "only one default button can be specified" );
+
+ m_dialogStyle = style;
+ }
+
+ long GetMessageDialogStyle() const { return m_dialogStyle; }
+
+ // customization of the message box buttons
+ virtual bool SetYesNoLabels(const ButtonLabel& yes,const ButtonLabel& no)
+ {
+ DoSetCustomLabel(m_yes, yes);
+ DoSetCustomLabel(m_no, no);
+ return true;
+ }
+
+ virtual bool SetYesNoCancelLabels(const ButtonLabel& yes,
+ const ButtonLabel& no,
+ const ButtonLabel& cancel)
+ {
+ DoSetCustomLabel(m_yes, yes);
+ DoSetCustomLabel(m_no, no);
+ DoSetCustomLabel(m_cancel, cancel);
+ return true;
+ }
+
+ virtual bool SetOKLabel(const ButtonLabel& ok)
+ {
+ DoSetCustomLabel(m_ok, ok);
+ return true;
+ }
+
+ virtual bool SetOKCancelLabels(const ButtonLabel& ok,
+ const ButtonLabel& cancel)
+ {
+ DoSetCustomLabel(m_ok, ok);
+ DoSetCustomLabel(m_cancel, cancel);
+ return true;
+ }
+
+ virtual bool SetHelpLabel(const ButtonLabel& help)
+ {
+ DoSetCustomLabel(m_help, help);
+ return true;
+ }
+
+ // test if any custom labels were set
+ bool HasCustomLabels() const
+ {
+ return !(m_ok.empty() && m_cancel.empty() && m_help.empty() &&
+ m_yes.empty() && m_no.empty());
+ }
+
+ // these functions return the label to be used for the button which is
+ // either a custom label explicitly set by the user or the default label,
+ // i.e. they always return a valid string
+ wxString GetYesLabel() const
+ { return m_yes.empty() ? GetDefaultYesLabel() : m_yes; }
+ wxString GetNoLabel() const
+ { return m_no.empty() ? GetDefaultNoLabel() : m_no; }
+ wxString GetOKLabel() const
+ { return m_ok.empty() ? GetDefaultOKLabel() : m_ok; }
+ wxString GetCancelLabel() const
+ { return m_cancel.empty() ? GetDefaultCancelLabel() : m_cancel; }
+ wxString GetHelpLabel() const
+ { return m_help.empty() ? GetDefaultHelpLabel() : m_help; }
+
+ // based on message dialog style, returns exactly one of: wxICON_NONE,
+ // wxICON_ERROR, wxICON_WARNING, wxICON_QUESTION, wxICON_INFORMATION
+ long GetEffectiveIcon() const
+ {
+ if ( m_dialogStyle & wxICON_NONE )
+ return wxICON_NONE;
+ else if ( m_dialogStyle & wxICON_ERROR )
+ return wxICON_ERROR;
+ else if ( m_dialogStyle & wxICON_WARNING )
+ return wxICON_WARNING;
+ else if ( m_dialogStyle & wxICON_QUESTION )
+ return wxICON_QUESTION;
+ else if ( m_dialogStyle & wxICON_INFORMATION )
+ return wxICON_INFORMATION;
+ else if ( m_dialogStyle & wxYES )
+ return wxICON_QUESTION;
+ else
+ return wxICON_INFORMATION;
+ }
+
+protected:
+ // for the platforms not supporting separate main and extended messages
+ // this function should be used to combine both of them in a single string
+ wxString GetFullMessage() const
+ {
+ wxString msg = m_message;
+ if ( !m_extendedMessage.empty() )
+ msg << "\n\n" << m_extendedMessage;
+
+ return msg;
+ }
+
+ wxString m_message,
+ m_extendedMessage,
+ m_caption;
+ long m_dialogStyle;
+
+ // this function is called by our public SetXXXLabels() and should assign
+ // the value to var with possibly some transformation (e.g. Cocoa version
+ // currently uses this to remove any accelerators from the button strings
+ // while GTK+ one handles stock items specifically here)
+ virtual void DoSetCustomLabel(wxString& var, const ButtonLabel& label)
+ {
+ var = label.GetAsString();
+ }
+
+ // these functions return the custom label or empty string and should be
+ // used only in specific circumstances such as creating the buttons with
+ // these labels (in which case it makes sense to only use a custom label if
+ // it was really given and fall back on stock label otherwise), use the
+ // Get{Yes,No,OK,Cancel}Label() methods above otherwise
+ const wxString& GetCustomYesLabel() const { return m_yes; }
+ const wxString& GetCustomNoLabel() const { return m_no; }
+ const wxString& GetCustomOKLabel() const { return m_ok; }
+ const wxString& GetCustomHelpLabel() const { return m_help; }
+ const wxString& GetCustomCancelLabel() const { return m_cancel; }
+
+private:
+ // these functions may be overridden to provide different defaults for the
+ // default button labels (this is used by wxGTK)
+ virtual wxString GetDefaultYesLabel() const { return wxGetTranslation("Yes"); }
+ virtual wxString GetDefaultNoLabel() const { return wxGetTranslation("No"); }
+ virtual wxString GetDefaultOKLabel() const { return wxGetTranslation("OK"); }
+ virtual wxString GetDefaultCancelLabel() const { return wxGetTranslation("Cancel"); }
+ virtual wxString GetDefaultHelpLabel() const { return wxGetTranslation("Help"); }
+
+ // labels for the buttons, initially empty meaning that the defaults should
+ // be used, use GetYes/No/OK/CancelLabel() to access them
+ wxString m_yes,
+ m_no,
+ m_ok,
+ m_cancel,
+ m_help;
+
+ wxDECLARE_NO_COPY_CLASS(wxMessageDialogBase);
+};
+
projects / wxWidgets.git / blobdiff