Fix recursion problems when loading pages from a virtual file system using the WebKit...

[wxWidgets.git] / include / wx / msgdlg.h

diff --git a/include/wx/msgdlg.h b/include/wx/msgdlg.h
index 397642e1897b47b6c497605a503025c50f296b3c..ca96fc7ff947ad0a2cfbb4b015b05cd0e486cc04 100644 (file)
--- a/include/wx/msgdlg.h
+++ b/include/wx/msgdlg.h
@@ -1,69 +1,303 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        wx/msgdlgg.h
+// Name:        wx/msgdlg.h

 // Purpose:     common header and base class for wxMessageDialog
 // Purpose:     common header and base class for wxMessageDialog

-// Author:      wxWidgets Team
+// Author:      Julian Smart

 // Modified by:
 // Created:
 // RCS-ID:      $Id$
 // Modified by:
 // Created:
 // RCS-ID:      $Id$

-// Copyright:   (c) wxWidgets
+// Copyright:   (c) Julian Smart

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_MSGDLG_H_BASE_
 #define _WX_MSGDLG_H_BASE_
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_MSGDLG_H_BASE_
 #define _WX_MSGDLG_H_BASE_
 

-#include "wx/setup.h"
+#include "wx/defs.h"

 
 #if wxUSE_MSGDLG
 
 
 #if wxUSE_MSGDLG
 

-class WXDLLEXPORT wxMessageDialogBase
+#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

 {
 {

-protected:
-    // common validation of wxMessageDialog style
+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)
     {
     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,
 
         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;
     }
 
         m_dialogStyle = style;
     }

-    inline long GetMessageDialogStyle() const
+
+    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)

     {
     {

-        return m_dialogStyle;
+        DoSetCustomLabel(m_yes, yes);
+        DoSetCustomLabel(m_no, no);
+        DoSetCustomLabel(m_cancel, cancel);
+        return true;

     }
 
     }
 

-private:
+    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;
+    }
+
+    // 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; }
+
+    // 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;
     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& 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"); }
+
+    // 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(wxMessageDialogBase);

 };
 
 };
 

-#if defined(__WXUNIVERSAL__) || defined(__WXGPE__)

 #include "wx/generic/msgdlgg.h"
 #include "wx/generic/msgdlgg.h"

+
+#if defined(__WX_COMPILING_MSGDLGG_CPP__) || \
+    defined(__WXUNIVERSAL__) || defined(__WXGPE__) || \
+    (defined(__WXGTK__) && !defined(__WXGTK20__))
+
+    #define wxMessageDialog wxGenericMessageDialog
+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/msgdlg.h"

 #elif defined(__WXPALMOS__)
 #elif defined(__WXPALMOS__)

-#include "wx/palmos/msgdlg.h"
+    #include "wx/palmos/msgdlg.h"

 #elif defined(__WXMSW__)
 #elif defined(__WXMSW__)

-#include "wx/msw/msgdlg.h"
+    #include "wx/msw/msgdlg.h"

 #elif defined(__WXMOTIF__)
 #elif defined(__WXMOTIF__)

-#include "wx/motif/msgdlg.h"
-#elif defined(__WXGTK__) && defined(__WXGTK20__)
-#include "wx/gtk/msgdlg.h"
-#elif defined(__WXGTK__)
-#include "wx/generic/msgdlgg.h"
+    #include "wx/motif/msgdlg.h"
+#elif defined(__WXGTK20__)
+    #include "wx/gtk/msgdlg.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-#include "wx/mac/msgdlg.h"
-#elif defined(__WXCOCOA__)
-#include "wx/generic/msgdlgg.h"
+    #include "wx/osx/msgdlg.h"

 #elif defined(__WXPM__)
 #elif defined(__WXPM__)

-#include "wx/os2/msgdlg.h"
+    #include "wx/os2/msgdlg.h"

 #endif
 
 // ----------------------------------------------------------------------------
 // wxMessageBox: the simplest way to use wxMessageDialog
 // ----------------------------------------------------------------------------
 
 #endif
 
 // ----------------------------------------------------------------------------
 // wxMessageBox: the simplest way to use wxMessageDialog
 // ----------------------------------------------------------------------------
 

-int WXDLLEXPORT wxMessageBox(const wxString& message,
+int WXDLLIMPEXP_CORE wxMessageBox(const wxString& message,

                              const wxString& caption = wxMessageBoxCaptionStr,
                              long style = wxOK | wxCENTRE,
                              wxWindow *parent = NULL,
                              const wxString& caption = wxMessageBoxCaptionStr,
                              long style = wxOK | wxCENTRE,
                              wxWindow *parent = NULL,


@@ -71,5 +305,4 @@ int WXDLLEXPORT wxMessageBox(const wxString& message,
 
 #endif // wxUSE_MSGDLG
 
 
 #endif // wxUSE_MSGDLG
 

-#endif
-    // _WX_MSGDLG_H_BASE_
+#endif // _WX_MSGDLG_H_BASE_