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 ( !wxIsMainThread() )
 107     {
 108         CFStringRef defaultButtonTitle = NULL;
 109         CFStringRef alternateButtonTitle = NULL;
 110         CFStringRef otherButtonTitle = NULL;
 111
 112         wxMacCFStringHolder cfTitle( msgtitle, m_font.GetEncoding() );
 113         wxMacCFStringHolder cfText( msgtext, m_font.GetEncoding() );
 114
 115         wxMacCFStringHolder cfNoString( m_no.c_str(), m_font.GetEncoding() );
 116         wxMacCFStringHolder cfYesString( m_yes.c_str(), m_font.GetEncoding() );
 117         wxMacCFStringHolder cfOKString( m_ok.c_str() , m_font.GetEncoding()) ;
 118         wxMacCFStringHolder cfCancelString( m_cancel.c_str(), m_font.GetEncoding() );
 119
 120         int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
 121
 122         if (style & wxYES_NO)
 123         {
 124             if ( style & wxNO_DEFAULT )
 125             {
 126                 defaultButtonTitle = cfNoString;
 127                 alternateButtonTitle = cfYesString;
 128                 buttonId[0] = wxID_NO;
 129                 buttonId[1] = wxID_YES;
 130             }
 131             else
 132             {
 133                 defaultButtonTitle = cfYesString;
 134                 alternateButtonTitle = cfNoString;
 135                 buttonId[0] = wxID_YES;
 136                 buttonId[1] = wxID_NO;
 137             }
 138             if (style & wxCANCEL)
 139             {
 140                 otherButtonTitle = cfCancelString;
 141                 buttonId[2] = wxID_CANCEL;
 142             }
 143         }
 144         else
 145         {
 146             // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 147             buttonId[0] = wxID_OK;
 148             // using null as default title does not work on earlier systems
 149             defaultButtonTitle = cfOKString;
 150             if (style & wxCANCEL)
 151             {
 152                 alternateButtonTitle = cfCancelString;
 153                 buttonId[1] = wxID_CANCEL;
 154             }
 155         }
 156
 157         CFOptionFlags exitButton;
 158         OSStatus err = CFUserNotificationDisplayAlert(
 159             0, alertType, NULL, NULL, NULL, cfTitle, cfText,
 160             defaultButtonTitle, alternateButtonTitle, otherButtonTitle, &exitButton );
 161         if (err == noErr)
 162             resultbutton = buttonId[exitButton];
 163     }
 164     else
 165     {
 166         short result;
 167
 168         AlertStdCFStringAlertParamRec param;
 169         wxMacCFStringHolder cfNoString( m_no.c_str(), m_font.GetEncoding() );
 170         wxMacCFStringHolder cfYesString( m_yes.c_str(), m_font.GetEncoding() );
 171         wxMacCFStringHolder cfOKString( m_ok.c_str(), m_font.GetEncoding() );
 172         wxMacCFStringHolder cfCancelString( m_cancel.c_str(), m_font.GetEncoding() );
 173
 174         wxMacCFStringHolder cfTitle( msgtitle, m_font.GetEncoding() );
 175         wxMacCFStringHolder cfText( msgtext, m_font.GetEncoding() );
 176
 177         param.movable = true;
 178         param.flags = 0;
 179         param.version = kStdCFStringAlertVersionOne;
 180
 181         bool skipDialog = false;
 182
 183         if (style & wxYES_NO)
 184         {
 185             if (style & wxCANCEL)
 186             {
 187                 param.defaultText = cfYesString;
 188                 param.cancelText = cfCancelString;
 189                 param.otherText = cfNoString;
 190                 param.helpButton = false;
 191                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 192                 param.cancelButton = kAlertStdAlertCancelButton;
 193             }
 194             else
 195             {
 196                 param.defaultText = cfYesString;
 197                 param.cancelText = NULL;
 198                 param.otherText = cfNoString;
 199                 param.helpButton = false;
 200                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 201                 param.cancelButton = 0;
 202             }
 203         }
 204         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 205         else
 206         {
 207             if (style & wxCANCEL)
 208             {
 209                 // that's a cancel missing
 210                 param.defaultText = cfOKString;
 211                 param.cancelText = cfCancelString;
 212                 param.otherText = NULL;
 213                 param.helpButton = false;
 214                 param.defaultButton = kAlertStdAlertOKButton;
 215                 param.cancelButton = 0;
 216             }
 217             else
 218             {
 219                 param.defaultText = cfOKString;
 220                 param.cancelText = NULL;
 221                 param.otherText = NULL;
 222                 param.helpButton = false;
 223                 param.defaultButton = kAlertStdAlertOKButton;
 224                 param.cancelButton = 0;
 225             }
 226         }
 227
 228         param.position = kWindowDefaultPosition;
 229         if ( !skipDialog )
 230         {
 231             DialogRef alertRef;
 232             CreateStandardAlert( alertType, cfTitle, cfText, &param, &alertRef );
 233             RunStandardAlert( alertRef, NULL, &result );
 234         }
 235         else
 236         {
 237             return wxID_CANCEL;
 238         }
 239
 240         if (style & wxOK)
 241         {
 242             switch ( result )
 243             {
 244             case 1:
 245                 resultbutton = wxID_OK;
 246                 break;
 247
 248             case 2:
 249                 // TODO: add Cancel button
 250                 // if (style & wxCANCEL)
 251                 //     resultbutton = wxID_CANCEL;
 252                 break;
 253
 254             case 3:
 255             default:
 256                 break;
 257             }
 258         }
 259         else if (style & wxYES_NO)
 260         {
 261             switch ( result )
 262             {
 263             case 1:
 264                 resultbutton = wxID_YES;
 265                 break;
 266
 267             case 2:
 268                 if (!(style & wxCANCEL))
 269                     resultbutton = wxID_CANCEL;
 270                 break;
 271
 272             case 3:
 273                 resultbutton = wxID_NO;
 274                 break;
 275
 276             default:
 277                 break;
 278             }
 279         }
 280     }
 281
 282     return resultbutton;
 283 }