src/osx/carbon/dialog.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/dialog.cpp
   3 // Purpose:     wxDialog class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/dialog.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/app.h"
  18     #include "wx/utils.h"
  19     #include "wx/frame.h"
  20     #include "wx/settings.h"
  21 #endif // WX_PRECOMP
  22
  23 #include "wx/osx/private.h"
  24 #include "wx/evtloop.h"
  25
  26 extern wxList wxModalDialogs;
  27
  28 void wxDialog::DoShowModal()
  29 {
  30     wxCHECK_RET( !IsModal(), wxT("DoShowModal() called twice") );
  31
  32     wxModalDialogs.Append(this);
  33
  34     SetFocus() ;
  35
  36     WindowRef windowRef = (WindowRef) GetWXWindow();
  37     WindowGroupRef windowGroup = NULL;
  38     WindowGroupRef formerParentGroup = NULL;
  39     bool resetGroupParent = false;
  40
  41     if ( GetParent() == NULL )
  42     {
  43         windowGroup = GetWindowGroup(windowRef) ;
  44         formerParentGroup = GetWindowGroupParent( windowGroup );
  45         SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
  46         resetGroupParent = true;
  47     }
  48     BeginAppModalStateForWindow(windowRef) ;
  49
  50     wxEventLoopGuarantor ensureHasLoop;
  51     wxEventLoopBase * const loop = wxEventLoop::GetActive();
  52     while ( IsModal() )
  53         loop->Dispatch();
  54
  55     EndAppModalStateForWindow(windowRef) ;
  56     if ( resetGroupParent )
  57     {
  58         SetWindowGroupParent( windowGroup , formerParentGroup );
  59     }
  60 }