src/mac/carbon/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/msgdlg.cpp
   3 // Purpose:     wxMessageDialog
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/msgdlg.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/intl.h"
  18     #include "wx/app.h"
  19 #endif
  20
  21 #include "wx/thread.h"
  22 #include "wx/mac/uma.h"
  23
  24
  25 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  26
  27
  28 wxMessageDialog::wxMessageDialog(wxWindow *parent,
  29                                  const wxString& message,
  30                                  const wxString& caption,
  31                                  long style,
  32                                  const wxPoint& WXUNUSED(pos))
  33                : wxMessageDialogBase(parent, message, caption, style)
  34 {
  35     m_yes = _("Yes");
  36     m_no  = _("No");
  37     m_ok  = _("OK");
  38     m_cancel = _("Cancel");
  39 }
  40
  41 bool wxMessageDialog::SetYesNoLabels(const wxString& yes,const wxString& no)
  42 {
  43     m_yes = yes;
  44     m_no = no;
  45     return true;
  46 }
  47
  48 bool wxMessageDialog::SetYesNoCancelLabels(const wxString& yes, const wxString& no, const wxString& cancel)
  49 {
  50     m_yes = yes;
  51     m_no = no;
  52     m_cancel = cancel;
  53     return true;
  54 }
  55
  56 bool wxMessageDialog::SetOKLabel(const wxString& ok)
  57 {
  58     m_ok = ok;
  59     return true;
  60 }
  61
  62 bool wxMessageDialog::SetOKCancelLabels(const wxString& ok, const wxString& cancel)
  63 {
  64     m_ok = ok;
  65     m_cancel = cancel;
  66     return true;
  67 }
  68
  69 int wxMessageDialog::ShowModal()
  70 {
  71     int resultbutton = wxID_CANCEL;
  72
  73     const long style = GetMessageDialogStyle();
  74
  75     wxASSERT_MSG( (style & 0x3F) != wxYES, wxT("this style is not supported on Mac") );
  76
  77     AlertType alertType = kAlertPlainAlert;
  78     if (style & wxICON_EXCLAMATION)
  79         alertType = kAlertCautionAlert;
  80     else if (style & wxICON_HAND)
  81         alertType = kAlertStopAlert;
  82     else if (style & wxICON_INFORMATION)
  83         alertType = kAlertNoteAlert;
  84     else if (style & wxICON_QUESTION)
  85         alertType = kAlertNoteAlert;
  86
  87
  88     // work out what to display
  89     // if the extended text is empty then we use the caption as the title
  90     // and the message as the text (for backwards compatibility)
  91     // but if the extended message is not empty then we use the message as the title
  92     // and the extended message as the text because that makes more sense
  93
  94     wxString msgtitle,msgtext;
  95     if(m_extendedMessage.IsEmpty())
  96     {
  97         msgtitle = m_caption;
  98         msgtext  = m_message;
  99     }
 100     else
 101     {
 102         msgtitle = m_message;
 103         msgtext  = m_extendedMessage;
 104     }
 105
 106
 107     if ( !wxIsMainThread() )
 108     {
 109         CFStringRef defaultButtonTitle = NULL;
 110         CFStringRef alternateButtonTitle = NULL;
 111         CFStringRef otherButtonTitle = NULL;
 112
 113         wxMacCFStringHolder cfTitle( msgtitle, m_font.GetEncoding() );
 114         wxMacCFStringHolder cfText( msgtext, m_font.GetEncoding() );
 115
 116         wxMacCFStringHolder cfNoString( m_no.c_str(), m_font.GetEncoding() );
 117         wxMacCFStringHolder cfYesString( m_yes.c_str(), m_font.GetEncoding() );
 118         wxMacCFStringHolder cfOKString( m_ok.c_str() , m_font.GetEncoding()) ;
 119         wxMacCFStringHolder cfCancelString( m_cancel.c_str(), m_font.GetEncoding() );
 120
 121         int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
 122
 123         if (style & wxYES_NO)
 124         {
 125             if ( style & wxNO_DEFAULT )
 126             {
 127                 defaultButtonTitle = cfNoString;
 128                 alternateButtonTitle = cfYesString;
 129                 buttonId[0] = wxID_NO;
 130                 buttonId[1] = wxID_YES;
 131             }
 132             else
 133             {
 134                 defaultButtonTitle = cfYesString;
 135                 alternateButtonTitle = cfNoString;
 136                 buttonId[0] = wxID_YES;
 137                 buttonId[1] = wxID_NO;
 138             }
 139             if (style & wxCANCEL)
 140             {
 141                 otherButtonTitle = cfCancelString;
 142                 buttonId[2] = wxID_CANCEL;
 143             }
 144         }
 145         else
 146         {
 147             // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 148             buttonId[0] = wxID_OK;
 149             // using null as default title does not work on earlier systems
 150             defaultButtonTitle = cfOKString;
 151             if (style & wxCANCEL)
 152             {
 153                 alternateButtonTitle = cfCancelString;
 154                 buttonId[1] = wxID_CANCEL;
 155             }
 156         }
 157
 158         CFOptionFlags exitButton;
 159         OSStatus err = CFUserNotificationDisplayAlert(
 160             0, alertType, NULL, NULL, NULL, cfTitle, cfText,
 161             defaultButtonTitle, alternateButtonTitle, otherButtonTitle, &exitButton );
 162         if (err == noErr)
 163             resultbutton = buttonId[exitButton];
 164     }
 165     else
 166     {
 167         short result;
 168
 169         AlertStdCFStringAlertParamRec param;
 170         wxMacCFStringHolder cfNoString( m_no.c_str(), m_font.GetEncoding() );
 171         wxMacCFStringHolder cfYesString( m_yes.c_str(), m_font.GetEncoding() );
 172         wxMacCFStringHolder cfOKString( m_ok.c_str(), m_font.GetEncoding() );
 173         wxMacCFStringHolder cfCancelString( m_cancel.c_str(), m_font.GetEncoding() );
 174
 175         wxMacCFStringHolder cfTitle( msgtitle, m_font.GetEncoding() );
 176         wxMacCFStringHolder cfText( msgtext, m_font.GetEncoding() );
 177
 178         param.movable = true;
 179         param.flags = 0;
 180         param.version = kStdCFStringAlertVersionOne;
 181
 182         bool skipDialog = false;
 183
 184         if (style & wxYES_NO)
 185         {
 186             if (style & wxCANCEL)
 187             {
 188                 param.defaultText = cfYesString;
 189                 param.cancelText = cfCancelString;
 190                 param.otherText = cfNoString;
 191                 param.helpButton = false;
 192                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 193                 param.cancelButton = kAlertStdAlertCancelButton;
 194             }
 195             else
 196             {
 197                 param.defaultText = cfYesString;
 198                 param.cancelText = NULL;
 199                 param.otherText = cfNoString;
 200                 param.helpButton = false;
 201                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 202                 param.cancelButton = 0;
 203             }
 204         }
 205         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 206         else
 207         {
 208             if (style & wxCANCEL)
 209             {
 210                 // that's a cancel missing
 211                 param.defaultText = cfOKString;
 212                 param.cancelText = cfCancelString;
 213                 param.otherText = NULL;
 214                 param.helpButton = false;
 215                 param.defaultButton = kAlertStdAlertOKButton;
 216                 param.cancelButton = 0;
 217             }
 218             else
 219             {
 220                 param.defaultText = cfOKString;
 221                 param.cancelText = NULL;
 222                 param.otherText = NULL;
 223                 param.helpButton = false;
 224                 param.defaultButton = kAlertStdAlertOKButton;
 225                 param.cancelButton = 0;
 226             }
 227         }
 228
 229         param.position = kWindowDefaultPosition;
 230         if ( !skipDialog )
 231         {
 232             DialogRef alertRef;
 233             CreateStandardAlert( alertType, cfTitle, cfText, &param, &alertRef );
 234             RunStandardAlert( alertRef, NULL, &result );
 235         }
 236         else
 237         {
 238             return wxID_CANCEL;
 239         }
 240
 241         if (style & wxOK)
 242         {
 243             switch ( result )
 244             {
 245             case 1:
 246                 resultbutton = wxID_OK;
 247                 break;
 248
 249             case 2:
 250                 // TODO: add Cancel button
 251                 // if (style & wxCANCEL)
 252                 //     resultbutton = wxID_CANCEL;
 253                 break;
 254
 255             case 3:
 256             default:
 257                 break;
 258             }
 259         }
 260         else if (style & wxYES_NO)
 261         {
 262             switch ( result )
 263             {
 264             case 1:
 265                 resultbutton = wxID_YES;
 266                 break;
 267
 268             case 2:
 269                 if (!(style & wxCANCEL))
 270                     resultbutton = wxID_CANCEL;
 271                 break;
 272
 273             case 3:
 274                 resultbutton = wxID_NO;
 275                 break;
 276
 277             default:
 278                 break;
 279             }
 280         }
 281     }
 282
 283     return resultbutton;
 284 }