X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2c6dbc21b9a5b84c93a1895e65f11ad4cea917d5..f32eb96401af815f5662b715330802c2e6bfa452:/include/wx/msgdlg.h?ds=sidebyside diff --git a/include/wx/msgdlg.h b/include/wx/msgdlg.h index 73339b2349..6d65fc75aa 100644 --- a/include/wx/msgdlg.h +++ b/include/wx/msgdlg.h @@ -17,12 +17,74 @@ #if wxUSE_MSGDLG #include "wx/dialog.h" +#include "wx/stockitem.h" WXDLLIMPEXP_DATA_CORE(extern 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, @@ -42,26 +104,26 @@ public: // methods for setting up more custom message dialogs -- all functions // return false if they're not implemented - virtual bool SetYesNoLabels(const wxString& WXUNUSED(yes), - const wxString& WXUNUSED(no)) + virtual bool SetYesNoLabels(const ButtonLabel& WXUNUSED(yes), + const ButtonLabel& WXUNUSED(no)) { return false; } - virtual bool SetYesNoCancelLabels(const wxString& WXUNUSED(yes), - const wxString& WXUNUSED(no), - const wxString& WXUNUSED(cancel)) + virtual bool SetYesNoCancelLabels(const ButtonLabel& WXUNUSED(yes), + const ButtonLabel& WXUNUSED(no), + const ButtonLabel& WXUNUSED(cancel)) { return false; } - virtual bool SetOKLabel(const wxString& WXUNUSED(ok)) + virtual bool SetOKLabel(const ButtonLabel& WXUNUSED(ok)) { return false; } - virtual bool SetOKCancelLabels(const wxString& WXUNUSED(ok), - const wxString& WXUNUSED(cancel)) + virtual bool SetOKCancelLabels(const ButtonLabel& WXUNUSED(ok), + const ButtonLabel& WXUNUSED(cancel)) { return false; } @@ -76,19 +138,34 @@ public: m_extendedMessage = extendedMessage; } -protected: - // common validation of wxMessageDialog style + // change the dialog style flag void SetMessageDialogStyle(long style) { - wxASSERT_MSG( ((style & wxYES_NO) == wxYES_NO) || ((style & wxYES_NO) == 0), - _T("wxYES and wxNO may only be used together in wxMessageDialog") ); + 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" ); + + wxASSERT_MSG( (style & wxYES) || (style & wxOK), + "one of wxOK and wxYES/wxNO must be used" ); wxASSERT_MSG( (style & wxID_OK) != wxID_OK, - _T("wxMessageBox: Did you mean wxOK (and not 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; } +protected: long GetMessageDialogStyle() const { return m_dialogStyle; } @@ -107,8 +184,116 @@ protected: m_extendedMessage, m_caption; long m_dialogStyle; + + wxDECLARE_NO_COPY_CLASS(wxMessageDialogBase); }; +// this is a helper class for native wxMessageDialog implementations which need +// to store the custom button labels as member variables and then use them in +// ShowModal() (there could conceivably be a port which would have some native +// functions for setting these labels immediately and we also don't need to +// store them at all if custom labels are not supported, which is why we do +// this in a separate class and not wxMessageDialogBase itself) +#if defined(__WXCOCOA__) || \ + defined(__WXGTK20__) || \ + defined(__WXMAC__) || \ + defined(__WXMSW__) + +class WXDLLIMPEXP_CORE wxMessageDialogWithCustomLabels + : public wxMessageDialogBase +{ +public: + // ctors + wxMessageDialogWithCustomLabels() { } + wxMessageDialogWithCustomLabels(wxWindow *parent, + const wxString& message, + const wxString& caption, + long style) + : wxMessageDialogBase(parent, message, caption, style) + { + } + + // 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; + } + +protected: + // test if any custom labels were set + bool HasCustomLabels() const + { + return !(m_ok.empty() && m_cancel.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; } + + // 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(); + } + +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 _("Yes"); } + virtual wxString GetDefaultNoLabel() const { return _("No"); } + virtual wxString GetDefaultOKLabel() const { return _("OK"); } + virtual wxString GetDefaultCancelLabel() const { return _("Cancel"); } + + // 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; + + wxDECLARE_NO_COPY_CLASS(wxMessageDialogWithCustomLabels); +}; + +#endif // ports needing wxMessageDialogWithCustomLabels + #if defined(__WX_COMPILING_MSGDLGG_CPP__) || \ defined(__WXUNIVERSAL__) || defined(__WXGPE__) || \ (defined(__WXGTK__) && !defined(__WXGTK20__))