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/mac/uma.h"
  22
  23
  24 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
  25
  26
  27 wxMessageDialog::wxMessageDialog(wxWindow *parent,
  28                                  const wxString& message,
  29                                  const wxString& caption,
  30                                  long style,
  31                                  const wxPoint& WXUNUSED(pos))
  32                : wxMessageDialogBase(parent, message, caption, style)
  33 {
  34     m_yes = _("Yes");
  35     m_no  = _("No");
  36     m_ok  = _("OK");
  37     m_cancel = _("Cancel");
  38 }
  39
  40 bool wxMessageDialog::SetYesNoLabels(const wxString& yes,const wxString& no)
  41 {
  42     m_yes = yes;
  43     m_no = no;
  44     return true;
  45 }
  46
  47 bool wxMessageDialog::SetYesNoCancelLabels(const wxString& yes, const wxString& no, const wxString& cancel)
  48 {
  49     m_yes = yes;
  50     m_no = no;
  51     m_cancel = cancel;
  52     return true;
  53 }
  54
  55 bool wxMessageDialog::SetOKLabel(const wxString& ok)
  56 {
  57     m_ok = ok;
  58     return true;
  59 }
  60
  61 bool wxMessageDialog::SetOKCancelLabels(const wxString& ok, const wxString& cancel)
  62 {
  63     m_ok = ok;
  64     m_cancel = cancel;
  65     return true;
  66 }
  67
  68 int wxMessageDialog::ShowModal()
  69 {
  70     int resultbutton = wxID_CANCEL;
  71
  72     const long style = GetMessageDialogStyle();
  73
  74     wxASSERT_MSG( (style & 0x3F) != wxYES, wxT("this style is not supported on Mac") );
  75
  76     AlertType alertType = kAlertPlainAlert;
  77     if (style & wxICON_EXCLAMATION)
  78         alertType = kAlertCautionAlert;
  79     else if (style & wxICON_HAND)
  80         alertType = kAlertStopAlert;
  81     else if (style & wxICON_INFORMATION)
  82         alertType = kAlertNoteAlert;
  83     else if (style & wxICON_QUESTION)
  84         alertType = kAlertNoteAlert;
  85
  86
  87     // work out what to display
  88     // if the extended text is empty then we use the caption as the title
  89     // and the message as the text (for backwards compatibility)
  90     // but if the extended message is not empty then we use the message as the title
  91     // and the extended message as the text because that makes more sense
  92
  93     wxString msgtitle,msgtext;
  94     if(m_extendedMessage.IsEmpty())
  95     {
  96         msgtitle = m_caption;
  97         msgtext  = m_message;
  98     }
  99     else
 100     {
 101         msgtitle = m_message;
 102         msgtext  = m_extendedMessage;
 103     }
 104
 105
 106 #if TARGET_API_MAC_OSX
 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 #endif
 167     {
 168         short result;
 169
 170         AlertStdCFStringAlertParamRec param;
 171         wxMacCFStringHolder cfNoString( m_no.c_str(), m_font.GetEncoding() );
 172         wxMacCFStringHolder cfYesString( m_yes.c_str(), m_font.GetEncoding() );
 173         wxMacCFStringHolder cfOKString( m_ok.c_str(), m_font.GetEncoding() );
 174         wxMacCFStringHolder cfCancelString( m_cancel.c_str(), m_font.GetEncoding() );
 175
 176         wxMacCFStringHolder cfTitle( msgtitle, m_font.GetEncoding() );
 177         wxMacCFStringHolder cfText( msgtext, m_font.GetEncoding() );
 178
 179         param.movable = true;
 180         param.flags = 0;
 181         param.version = kStdCFStringAlertVersionOne;
 182
 183         bool skipDialog = false;
 184
 185         if (style & wxYES_NO)
 186         {
 187             if (style & wxCANCEL)
 188             {
 189                 param.defaultText = cfYesString;
 190                 param.cancelText = cfCancelString;
 191                 param.otherText = cfNoString;
 192                 param.helpButton = false;
 193                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 194                 param.cancelButton = kAlertStdAlertCancelButton;
 195             }
 196             else
 197             {
 198                 param.defaultText = cfYesString;
 199                 param.cancelText = NULL;
 200                 param.otherText = cfNoString;
 201                 param.helpButton = false;
 202                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 203                 param.cancelButton = 0;
 204             }
 205         }
 206         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 207         else
 208         {
 209             if (style & wxCANCEL)
 210             {
 211                 // that's a cancel missing
 212                 param.defaultText = cfOKString;
 213                 param.cancelText = cfCancelString;
 214                 param.otherText = NULL;
 215                 param.helpButton = false;
 216                 param.defaultButton = kAlertStdAlertOKButton;
 217                 param.cancelButton = 0;
 218             }
 219             else
 220             {
 221                 param.defaultText = cfOKString;
 222                 param.cancelText = NULL;
 223                 param.otherText = NULL;
 224                 param.helpButton = false;
 225                 param.defaultButton = kAlertStdAlertOKButton;
 226                 param.cancelButton = 0;
 227             }
 228         }
 229
 230         param.position = kWindowDefaultPosition;
 231         if ( !skipDialog )
 232         {
 233             DialogRef alertRef;
 234             CreateStandardAlert( alertType, cfTitle, cfText, &param, &alertRef );
 235             RunStandardAlert( alertRef, NULL, &result );
 236         }
 237         else
 238         {
 239             return wxID_CANCEL;
 240         }
 241
 242         if (style & wxOK)
 243         {
 244             switch ( result )
 245             {
 246             case 1:
 247                 resultbutton = wxID_OK;
 248                 break;
 249
 250             case 2:
 251                 // TODO: add Cancel button
 252                 // if (style & wxCANCEL)
 253                 //     resultbutton = wxID_CANCEL;
 254                 break;
 255
 256             case 3:
 257             default:
 258                 break;
 259             }
 260         }
 261         else if (style & wxYES_NO)
 262         {
 263             switch ( result )
 264             {
 265             case 1:
 266                 resultbutton = wxID_YES;
 267                 break;
 268
 269             case 2:
 270                 if (!(style & wxCANCEL))
 271                     resultbutton = wxID_CANCEL;
 272                 break;
 273
 274             case 3:
 275                 resultbutton = wxID_NO;
 276                 break;
 277
 278             default:
 279                 break;
 280             }
 281         }
 282     }
 283
 284     return resultbutton;
 285 }