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(
  28     wxWindow *parent, const wxString& message, const wxString& caption,
  29     long style, const wxPoint& pos )
  30 {
  31     m_caption = caption;
  32     m_message = message;
  33     m_parent = parent;
  34     SetMessageDialogStyle(style);
  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 = kAlertNoteAlert;
  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 = kAlertCautionAlert;
  54
  55 #if TARGET_API_MAC_OSX
  56     if ( !wxIsMainThread() )
  57     {
  58         CFStringRef defaultButtonTitle = NULL;
  59         CFStringRef alternateButtonTitle = NULL;
  60         CFStringRef otherButtonTitle = NULL;
  61
  62         wxMacCFStringHolder cfTitle( m_caption, m_font.GetEncoding() );
  63         wxMacCFStringHolder cfText( m_message, m_font.GetEncoding() );
  64
  65         wxMacCFStringHolder cfNoString( _("No"), m_font.GetEncoding() );
  66         wxMacCFStringHolder cfYesString( _("Yes"), m_font.GetEncoding() );
  67         wxMacCFStringHolder cfOKString( _("OK") , m_font.GetEncoding()) ;
  68         wxMacCFStringHolder cfCancelString( _("Cancel"), m_font.GetEncoding() );
  69
  70         int buttonId[4] = { 0, 0, 0, wxID_CANCEL /* time-out */ };
  71
  72         if (style & wxYES_NO)
  73         {
  74             if ( style & wxNO_DEFAULT )
  75             {
  76                 defaultButtonTitle = cfNoString;
  77                 alternateButtonTitle = cfYesString;
  78                 buttonId[0] = wxID_NO;
  79                 buttonId[1] = wxID_YES;
  80             }
  81             else
  82             {
  83                 defaultButtonTitle = cfYesString;
  84                 alternateButtonTitle = cfNoString;
  85                 buttonId[0] = wxID_YES;
  86                 buttonId[1] = wxID_NO;
  87             }
  88             if (style & wxCANCEL)
  89             {
  90                 otherButtonTitle = cfCancelString;
  91                 buttonId[2] = wxID_CANCEL;
  92             }
  93         }
  94         else
  95         {
  96             // the MSW implementation even shows an OK button if it is not specified, we'll do the same
  97             buttonId[0] = wxID_OK;
  98             // using null as default title does not work on earlier systems
  99             defaultButtonTitle = cfOKString;
 100             if (style & wxCANCEL)
 101             {
 102                 alternateButtonTitle = cfCancelString;
 103                 buttonId[1] = wxID_CANCEL;
 104             }
 105         }
 106
 107         CFOptionFlags exitButton;
 108         OSStatus err = CFUserNotificationDisplayAlert(
 109             0, alertType, NULL, NULL, NULL, cfTitle, cfText,
 110             defaultButtonTitle, alternateButtonTitle, otherButtonTitle, &exitButton );
 111         if (err == noErr)
 112             resultbutton = buttonId[exitButton];
 113     }
 114     else
 115 #endif
 116     {
 117         short result;
 118
 119         AlertStdCFStringAlertParamRec param;
 120         wxMacCFStringHolder cfNoString( _("No"), m_font.GetEncoding() );
 121         wxMacCFStringHolder cfYesString( _("Yes"), m_font.GetEncoding() );
 122
 123         wxMacCFStringHolder cfTitle( m_caption, m_font.GetEncoding() );
 124         wxMacCFStringHolder cfText( m_message, m_font.GetEncoding() );
 125
 126         param.movable = true;
 127         param.flags = 0;
 128         param.version = kStdCFStringAlertVersionOne;
 129
 130         bool skipDialog = false;
 131
 132         if (style & wxYES_NO)
 133         {
 134             if (style & wxCANCEL)
 135             {
 136                 param.defaultText = cfYesString;
 137                 param.cancelText = (CFStringRef) kAlertDefaultCancelText;
 138                 param.otherText = cfNoString;
 139                 param.helpButton = false;
 140                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 141                 param.cancelButton = kAlertStdAlertCancelButton;
 142             }
 143             else
 144             {
 145                 param.defaultText = cfYesString;
 146                 param.cancelText = NULL;
 147                 param.otherText = cfNoString;
 148                 param.helpButton = false;
 149                 param.defaultButton = style & wxNO_DEFAULT ? kAlertStdAlertOtherButton : kAlertStdAlertOKButton;
 150                 param.cancelButton = 0;
 151             }
 152         }
 153         // the MSW implementation even shows an OK button if it is not specified, we'll do the same
 154         else
 155         {
 156             if (style & wxCANCEL)
 157             {
 158                 // that's a cancel missing
 159                 param.defaultText = (CFStringRef) kAlertDefaultOKText;
 160                 param.cancelText = (CFStringRef) kAlertDefaultCancelText;
 161                 param.otherText = NULL;
 162                 param.helpButton = false;
 163                 param.defaultButton = kAlertStdAlertOKButton;
 164                 param.cancelButton = 0;
 165             }
 166             else
 167             {
 168                 param.defaultText = (CFStringRef) kAlertDefaultOKText;
 169                 param.cancelText = NULL;
 170                 param.otherText = NULL;
 171                 param.helpButton = false;
 172                 param.defaultButton = kAlertStdAlertOKButton;
 173                 param.cancelButton = 0;
 174             }
 175         }
 176
 177         param.position = kWindowDefaultPosition;
 178         if ( !skipDialog )
 179         {
 180             DialogRef alertRef;
 181             CreateStandardAlert( alertType, cfTitle, cfText, &param, &alertRef );
 182             RunStandardAlert( alertRef, NULL, &result );
 183         }
 184         else
 185         {
 186             return wxID_CANCEL;
 187         }
 188
 189         if (style & wxOK)
 190         {
 191             switch ( result )
 192             {
 193             case 1:
 194                 resultbutton = wxID_OK;
 195                 break;
 196
 197             case 2:
 198                 // TODO: add Cancel button
 199                 // if (style & wxCANCEL)
 200                 //     resultbutton = wxID_CANCEL;
 201                 break;
 202
 203             case 3:
 204             default:
 205                 break;
 206             }
 207         }
 208         else if (style & wxYES_NO)
 209         {
 210             switch ( result )
 211             {
 212             case 1:
 213                 resultbutton = wxID_YES;
 214                 break;
 215
 216             case 2:
 217                 if (!(style & wxCANCEL))
 218                     resultbutton = wxID_CANCEL;
 219                 break;
 220
 221             case 3:
 222                 resultbutton = wxID_NO;
 223                 break;
 224
 225             default:
 226                 break;
 227             }
 228         }
 229     }
 230
 231     return resultbutton;
 232 }