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,
  44         "this style is not supported on Mac" );
  45
  46     AlertType alertType = kAlertPlainAlert;
  47
  48     switch ( GetEffectiveIcon() )
  49     {
  50         case wxICON_ERROR:
  51             alertType = kAlertStopAlert;
  52             break;
  53
  54         case wxICON_WARNING:
  55             alertType = kAlertCautionAlert;
  56             break;
  57
  58         case wxICON_QUESTION:
  59         case wxICON_INFORMATION:
  60             alertType = kAlertNoteAlert;
  61             break;
  62     }
  63
  64
  65     // work out what to display
  66     // if the extended text is empty then we use the caption as the title
  67     // and the message as the text (for backwards compatibility)
  68     // but if the extended message is not empty then we use the message as the title
  69     // and the extended message as the text because that makes more sense
  70
  71     wxString msgtitle,msgtext;
  72     if(m_extendedMessage.IsEmpty())
  73     {
  74         msgtitle = m_caption;
  75         msgtext  = m_message;
  76     }
  77     else
  78     {
  79         msgtitle = m_message;
  80         msgtext  = m_extendedMessage;
  81     }
  82
  83
  84     if ( !wxIsMainThread() )
  85     {
  86         CFStringRef defaultButtonTitle = NULL;
  87         CFStringRef alternateButtonTitle = NULL;
  88         CFStringRef otherButtonTitle = NULL;
  89
  90         wxCFStringRef cfTitle( msgtitle, GetFont().GetEncoding() );
  91         wxCFStringRef cfText( msgtext, GetFont().GetEncoding() );
  92
  93         wxCFStringRef cfNoString( GetNoLabel().c_str(), GetFont().GetEncoding() );
  94         wxCFStringRef cfYesString( GetYesLabel().c_str(), GetFont().GetEncoding() );
  95         wxCFStringRef cfOKString( GetOKLabel().c_str() , GetFont().GetEncoding()) ;
  96         wxCFStringRef cfCancelString( GetCancelLabel().c_str(), GetFont().GetEncoding() );
  97
  98         int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
  99
 100         if (style & wxYES_NO)
 101         {
 102             if ( style & wxNO_DEFAULT )
 103             {
 104                 defaultButtonTitle = cfNoString;
 105                 alternateButtonTitle = cfYesString;
 106                 buttonId[0] = wxID_NO;
 107                 buttonId[1] = wxID_YES;
 108             }
 109             else
 110             {
 111                 defaultButtonTitle = cfYesString;
 112                 alternateButtonTitle = cfNoString;
 113                 buttonId[0] = wxID_YES;
 114                 buttonId[1] = wxID_NO;
 115             }
 116             if (style & wxCANCEL)
 117             {
 118                 otherButtonTitle = cfCancelString;
 119                 buttonId[2] = wxID_CANCEL;
 120             }
 121         }
 122         else
 123         {
 124             // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 125             buttonId[0] = wxID_OK;
 126             // using null as default title does not work on earlier systems
 127             defaultButtonTitle = cfOKString;
 128             if (style & wxCANCEL)
 129             {
 130                 alternateButtonTitle = cfCancelString;
 131                 buttonId[1] = wxID_CANCEL;
 132             }
 133         }
 134
 135         CFOptionFlags exitButton;
 136         OSStatus err = CFUserNotificationDisplayAlert(
 137             0, alertType, NULL, NULL, NULL, cfTitle, cfText,
 138             defaultButtonTitle, alternateButtonTitle, otherButtonTitle, &exitButton );
 139         if (err == noErr)
 140             resultbutton = buttonId[exitButton];
 141     }
 142     else
 143     {
 144         short result;
 145
 146         AlertStdCFStringAlertParamRec param;
 147         wxCFStringRef cfNoString( GetNoLabel().c_str(), GetFont().GetEncoding() );
 148         wxCFStringRef cfYesString( GetYesLabel().c_str(), GetFont().GetEncoding() );
 149         wxCFStringRef cfOKString( GetOKLabel().c_str(), GetFont().GetEncoding() );
 150         wxCFStringRef cfCancelString( GetCancelLabel().c_str(), GetFont().GetEncoding() );
 151
 152         wxCFStringRef cfTitle( msgtitle, GetFont().GetEncoding() );
 153         wxCFStringRef cfText( msgtext, GetFont().GetEncoding() );
 154
 155         param.movable = true;
 156         param.flags = 0;
 157         param.version = kStdCFStringAlertVersionOne;
 158
 159         bool skipDialog = false;
 160
 161         if (style & wxYES_NO)
 162         {
 163             if (style & wxCANCEL)
 164             {
 165                 param.defaultText = cfYesString;
 166                 param.cancelText = cfCancelString;
 167                 param.otherText = cfNoString;
 168                 param.helpButton = false;
 169                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 170                 param.cancelButton = kAlertStdAlertCancelButton;
 171             }
 172             else
 173             {
 174                 param.defaultText = cfYesString;
 175                 param.cancelText = NULL;
 176                 param.otherText = cfNoString;
 177                 param.helpButton = false;
 178                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 179                 param.cancelButton = 0;
 180             }
 181         }
 182         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 183         else
 184         {
 185             if (style & wxCANCEL)
 186             {
 187                 // that's a cancel missing
 188                 param.defaultText = cfOKString;
 189                 param.cancelText = cfCancelString;
 190                 param.otherText = NULL;
 191                 param.helpButton = false;
 192                 param.defaultButton = kAlertStdAlertOKButton;
 193                 param.cancelButton = 0;
 194             }
 195             else
 196             {
 197                 param.defaultText = cfOKString;
 198                 param.cancelText = NULL;
 199                 param.otherText = NULL;
 200                 param.helpButton = false;
 201                 param.defaultButton = kAlertStdAlertOKButton;
 202                 param.cancelButton = 0;
 203             }
 204         }
 205
 206         param.position = kWindowDefaultPosition;
 207         if ( !skipDialog )
 208         {
 209             DialogRef alertRef;
 210             CreateStandardAlert( alertType, cfTitle, cfText, &param, &alertRef );
 211             RunStandardAlert( alertRef, NULL, &result );
 212         }
 213         else
 214         {
 215             return wxID_CANCEL;
 216         }
 217
 218         if (style & wxOK)
 219         {
 220             switch ( result )
 221             {
 222             case 1:
 223                 resultbutton = wxID_OK;
 224                 break;
 225
 226             case 2:
 227                 // TODO: add Cancel button
 228                 // if (style & wxCANCEL)
 229                 //     resultbutton = wxID_CANCEL;
 230                 break;
 231
 232             case 3:
 233             default:
 234                 break;
 235             }
 236         }
 237         else if (style & wxYES_NO)
 238         {
 239             switch ( result )
 240             {
 241             case 1:
 242                 resultbutton = wxID_YES;
 243                 break;
 244
 245             case 2:
 246                 if (!(style & wxCANCEL))
 247                     resultbutton = wxID_CANCEL;
 248                 break;
 249
 250             case 3:
 251                 resultbutton = wxID_NO;
 252                 break;
 253
 254             default:
 255                 break;
 256             }
 257         }
 258     }
 259
 260     SetReturnCode(resultbutton);
 261
 262     return resultbutton;
 263 }