Implement HasSelection for the OSX WebKit backend.

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

diff --git a/include/wx/msgdlg.h b/include/wx/msgdlg.h
index 3a0174e8fb4e71fca750f78046be8eba90c2915f..ca96fc7ff947ad0a2cfbb4b015b05cd0e486cc04 100644 (file)
--- a/include/wx/msgdlg.h
+++ b/include/wx/msgdlg.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:     common header and base class for wxMessageDialog
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     common header and base class for wxMessageDialog
 // Author:      Julian Smart
 // Modified by:


@@ -17,12 +17,73 @@
 #if wxUSE_MSGDLG
 
 #include "wx/dialog.h"
 #if wxUSE_MSGDLG
 
 #include "wx/dialog.h"

+#include "wx/stockitem.h"

 
 

-WXDLLIMPEXP_DATA_CORE(extern const char) wxMessageBoxCaptionStr[];
+extern WXDLLIMPEXP_DATA_CORE(const char) wxMessageBoxCaptionStr[];
+
+// ----------------------------------------------------------------------------
+// wxMessageDialogBase: base class defining wxMessageDialog interface
+// ----------------------------------------------------------------------------

 
 class WXDLLIMPEXP_CORE wxMessageDialogBase : public wxDialog
 {
 public:
 
 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,
     // ctors
     wxMessageDialogBase() { m_dialogStyle = 0; }
     wxMessageDialogBase(wxWindow *parent,


@@ -39,59 +100,123 @@ public:
     // virtual dtor for the base class
     virtual ~wxMessageDialogBase() { }
 
     // virtual dtor for the base class
     virtual ~wxMessageDialogBase() { }
 

+    wxString GetCaption() const { return m_caption; }

 
 

-    // 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 void SetMessage(const wxString& message)

     {
     {

-        return false;
+        m_message = message;

     }
 
     }
 

-    virtual bool SetYesNoCancelLabels(const wxString& WXUNUSED(yes),
-                                      const wxString& WXUNUSED(no),
-                                      const wxString& WXUNUSED(cancel))
+    wxString GetMessage() const { return m_message; }
+
+    void SetExtendedMessage(const wxString& extendedMessage)

     {
     {

-        return false;
+        m_extendedMessage = extendedMessage;

     }
 
     }
 

-    virtual bool SetOKLabel(const wxString& WXUNUSED(ok))
+    wxString GetExtendedMessage() const { return m_extendedMessage; }
+
+    // change the dialog style flag
+    void SetMessageDialogStyle(long style)

     {
     {

-        return false;
+        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,
+                      "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;

     }
 
     }
 

-    virtual bool SetOKCancelLabels(const wxString& WXUNUSED(ok),
-                                   const wxString& WXUNUSED(cancel))
+    long GetMessageDialogStyle() const { return m_dialogStyle; }
+
+    // customization of the message box buttons
+    virtual bool SetYesNoLabels(const ButtonLabel& yes,const ButtonLabel& no)

     {
     {

-        return false;
+        DoSetCustomLabel(m_yes, yes);
+        DoSetCustomLabel(m_no, no);
+        return true;

     }
 
     }
 

-    virtual void SetMessage(const wxString& message)
+    virtual bool SetYesNoCancelLabels(const ButtonLabel& yes,
+                                      const ButtonLabel& no,
+                                      const ButtonLabel& cancel)

     {
     {

-        m_message = message;
+        DoSetCustomLabel(m_yes, yes);
+        DoSetCustomLabel(m_no, no);
+        DoSetCustomLabel(m_cancel, cancel);
+        return true;

     }
 
     }
 

-    virtual void SetExtendedMessage(const wxString& extendedMessage)
+    virtual bool SetOKLabel(const ButtonLabel& ok)

     {
     {

-        m_extendedMessage = extendedMessage;
+        DoSetCustomLabel(m_ok, ok);
+        return true;

     }
 
     }
 

-protected:
-    // common validation of wxMessageDialog style
-    void SetMessageDialogStyle(long style)
+    virtual bool SetOKCancelLabels(const ButtonLabel& ok,
+                                   const ButtonLabel& cancel)

     {
     {

-        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 & wxID_OK) != wxID_OK,
-                      _T("wxMessageBox: Did you mean wxOK (and not wxID_OK)?") );
+        DoSetCustomLabel(m_ok, ok);
+        DoSetCustomLabel(m_cancel, cancel);
+        return true;
+    }

 
 

-        m_dialogStyle = style;
+    // test if any custom labels were set
+    bool HasCustomLabels() const
+    {
+        return !(m_ok.empty() && m_cancel.empty() &&
+                 m_yes.empty() && m_no.empty());

     }
 
     }
 

-    long GetMessageDialogStyle() const { return m_dialogStyle; }
+    // 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
     // 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


@@ -107,16 +232,53 @@ protected:
              m_extendedMessage,
              m_caption;
     long m_dialogStyle;
              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& 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);

 };
 
 };
 

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

 #if defined(__WX_COMPILING_MSGDLGG_CPP__) || \
     defined(__WXUNIVERSAL__) || defined(__WXGPE__) || \
     (defined(__WXGTK__) && !defined(__WXGTK20__))
 #if defined(__WX_COMPILING_MSGDLGG_CPP__) || \
     defined(__WXUNIVERSAL__) || defined(__WXGPE__) || \
     (defined(__WXGTK__) && !defined(__WXGTK20__))

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

 
     #define wxMessageDialog wxGenericMessageDialog
 #elif defined(__WXCOCOA__)
 
     #define wxMessageDialog wxGenericMessageDialog
 #elif defined(__WXCOCOA__)

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

 #elif defined(__WXPALMOS__)
     #include "wx/palmos/msgdlg.h"
 #elif defined(__WXMSW__)
 #elif defined(__WXPALMOS__)
     #include "wx/palmos/msgdlg.h"
 #elif defined(__WXMSW__)