src/osx/carbon/msgdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/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/osx/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                : wxMessageDialogWithCustomLabels(parent, message, caption, style)
  34 {
  35 }
  36
  37 int wxMessageDialog::ShowModal()
  38 {
  39     int resultbutton = wxID_CANCEL;
  40
  41     const long style = GetMessageDialogStyle();
  42
  43     wxASSERT_MSG( (style & 0x3F) != wxYES, wxT("this style is not supported on Mac") );
  44
  45     AlertType alertType = kAlertPlainAlert;
  46     if (style & wxICON_EXCLAMATION)
  47         alertType = kAlertCautionAlert;
  48     else if (style & wxICON_HAND)
  49         alertType = kAlertStopAlert;
  50     else if (style & wxICON_INFORMATION)
  51         alertType = kAlertNoteAlert;
  52     else if (style & wxICON_QUESTION)
  53         alertType = kAlertNoteAlert;
  54
  55
  56     // work out what to display
  57     // if the extended text is empty then we use the caption as the title
  58     // and the message as the text (for backwards compatibility)
  59     // but if the extended message is not empty then we use the message as the title
  60     // and the extended message as the text because that makes more sense
  61
  62     wxString msgtitle,msgtext;
  63     if(m_extendedMessage.IsEmpty())
  64     {
  65         msgtitle = m_caption;
  66         msgtext  = m_message;
  67     }
  68     else
  69     {
  70         msgtitle = m_message;
  71         msgtext  = m_extendedMessage;
  72     }
  73
  74
  75     if ( !wxIsMainThread() )
  76     {
  77         CFStringRef defaultButtonTitle = NULL;
  78         CFStringRef alternateButtonTitle = NULL;
  79         CFStringRef otherButtonTitle = NULL;
  80
  81         wxCFStringRef cfTitle( msgtitle, GetFont().GetEncoding() );
  82         wxCFStringRef cfText( msgtext, GetFont().GetEncoding() );
  83
  84         wxCFStringRef cfNoString( GetNoLabel().c_str(), GetFont().GetEncoding() );
  85         wxCFStringRef cfYesString( GetYesLabel().c_str(), GetFont().GetEncoding() );
  86         wxCFStringRef cfOKString( GetOKLabel().c_str() , GetFont().GetEncoding()) ;
  87         wxCFStringRef cfCancelString( GetCancelLabel().c_str(), GetFont().GetEncoding() );
  88
  89         int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
  90
  91         if (style & wxYES_NO)
  92         {
  93             if ( style & wxNO_DEFAULT )
  94             {
  95                 defaultButtonTitle = cfNoString;
  96                 alternateButtonTitle = cfYesString;
  97                 buttonId[0] = wxID_NO;
  98                 buttonId[1] = wxID_YES;
  99             }
 100             else
 101             {
 102                 defaultButtonTitle = cfYesString;
 103                 alternateButtonTitle = cfNoString;
 104                 buttonId[0] = wxID_YES;
 105                 buttonId[1] = wxID_NO;
 106             }
 107             if (style & wxCANCEL)
 108             {
 109                 otherButtonTitle = cfCancelString;
 110                 buttonId[2] = wxID_CANCEL;
 111             }
 112         }
 113         else
 114         {
 115             // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 116             buttonId[0] = wxID_OK;
 117             // using null as default title does not work on earlier systems
 118             defaultButtonTitle = cfOKString;
 119             if (style & wxCANCEL)
 120             {
 121                 alternateButtonTitle = cfCancelString;
 122                 buttonId[1] = wxID_CANCEL;
 123             }
 124         }
 125
 126         CFOptionFlags exitButton;
 127         OSStatus err = CFUserNotificationDisplayAlert(
 128             0, alertType, NULL, NULL, NULL, cfTitle, cfText,
 129             defaultButtonTitle, alternateButtonTitle, otherButtonTitle, &exitButton );
 130         if (err == noErr)
 131             resultbutton = buttonId[exitButton];
 132     }
 133     else
 134     {
 135         short result;
 136
 137         AlertStdCFStringAlertParamRec param;
 138         wxCFStringRef cfNoString( GetNoLabel().c_str(), GetFont().GetEncoding() );
 139         wxCFStringRef cfYesString( GetYesLabel().c_str(), GetFont().GetEncoding() );
 140         wxCFStringRef cfOKString( GetOKLabel().c_str(), GetFont().GetEncoding() );
 141         wxCFStringRef cfCancelString( GetCancelLabel().c_str(), GetFont().GetEncoding() );
 142
 143         wxCFStringRef cfTitle( msgtitle, GetFont().GetEncoding() );
 144         wxCFStringRef cfText( msgtext, GetFont().GetEncoding() );
 145
 146         param.movable = true;
 147         param.flags = 0;
 148         param.version = kStdCFStringAlertVersionOne;
 149
 150         bool skipDialog = false;
 151
 152         if (style & wxYES_NO)
 153         {
 154             if (style & wxCANCEL)
 155             {
 156                 param.defaultText = cfYesString;
 157                 param.cancelText = cfCancelString;
 158                 param.otherText = cfNoString;
 159                 param.helpButton = false;
 160                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 161                 param.cancelButton = kAlertStdAlertCancelButton;
 162             }
 163             else
 164             {
 165                 param.defaultText = cfYesString;
 166                 param.cancelText = NULL;
 167                 param.otherText = cfNoString;
 168                 param.helpButton = false;
 169                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 170                 param.cancelButton = 0;
 171             }
 172         }
 173         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 174         else
 175         {
 176             if (style & wxCANCEL)
 177             {
 178                 // that's a cancel missing
 179                 param.defaultText = cfOKString;
 180                 param.cancelText = cfCancelString;
 181                 param.otherText = NULL;
 182                 param.helpButton = false;
 183                 param.defaultButton = kAlertStdAlertOKButton;
 184                 param.cancelButton = 0;
 185             }
 186             else
 187             {
 188                 param.defaultText = cfOKString;
 189                 param.cancelText = NULL;
 190                 param.otherText = NULL;
 191                 param.helpButton = false;
 192                 param.defaultButton = kAlertStdAlertOKButton;
 193                 param.cancelButton = 0;
 194             }
 195         }
 196
 197         param.position = kWindowDefaultPosition;
 198         if ( !skipDialog )
 199         {
 200             DialogRef alertRef;
 201             CreateStandardAlert( alertType, cfTitle, cfText, &param, &alertRef );
 202             RunStandardAlert( alertRef, NULL, &result );
 203         }
 204         else
 205         {
 206             return wxID_CANCEL;
 207         }
 208
 209         if (style & wxOK)
 210         {
 211             switch ( result )
 212             {
 213             case 1:
 214                 resultbutton = wxID_OK;
 215                 break;
 216
 217             case 2:
 218                 // TODO: add Cancel button
 219                 // if (style & wxCANCEL)
 220                 //     resultbutton = wxID_CANCEL;
 221                 break;
 222
 223             case 3:
 224             default:
 225                 break;
 226             }
 227         }
 228         else if (style & wxYES_NO)
 229         {
 230             switch ( result )
 231             {
 232             case 1:
 233                 resultbutton = wxID_YES;
 234                 break;
 235
 236             case 2:
 237                 if (!(style & wxCANCEL))
 238                     resultbutton = wxID_CANCEL;
 239                 break;
 240
 241             case 3:
 242                 resultbutton = wxID_NO;
 243                 break;
 244
 245             default:
 246                 break;
 247             }
 248         }
 249     }
 250
 251     return resultbutton;
 252 }