src/osx/cocoa/dialog.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/dialog.cpp
   3 // Purpose:     wxDialog class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: dialog.cpp 54820 2008-07-29 20:04:11Z SC $
   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
  25 extern wxList wxModalDialogs;
  26
  27 void wxDialog::DoShowModal()
  28 {
  29     wxCHECK_RET( !IsModal(), wxT("DoShowModal() called twice") );
  30
  31     // If the app hasn't started, flush the event queue
  32     // If we don't do this, the Dock doesn't get the message that
  33     // the app has started so will refuse to activate it.
  34     NSApplication *theNSApp = [NSApplication sharedApplication];
  35     if (![theNSApp isRunning])
  36     {
  37         wxMacAutoreleasePool pool;
  38         while(NSEvent *event = [theNSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil inMode:NSDefaultRunLoopMode dequeue:YES])
  39         {
  40             [theNSApp sendEvent:event];
  41         }
  42     }
  43
  44     wxModalDialogs.Append(this);
  45
  46     SetFocus() ;
  47 /*
  48     WindowGroupRef windowGroup;
  49     WindowGroupRef formerParentGroup;
  50     bool resetGroupParent = false;
  51
  52     if ( GetParent() == NULL )
  53     {
  54         windowGroup = GetWindowGroup(windowRef) ;
  55         formerParentGroup = GetWindowGroupParent( windowGroup );
  56         SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
  57         resetGroupParent = true;
  58     }
  59 */
  60     NSWindow* theWindow = GetWXWindow();
  61
  62     NSModalSession session = [NSApp beginModalSessionForWindow:theWindow];
  63     while (IsModal())
  64     {
  65         wxMacAutoreleasePool autoreleasepool;
  66         // we cannot break based on the return value, because nested
  67         // alerts might set this to stopped as well, so it would be
  68         // unsafe
  69         [NSApp runModalSession:session];
  70
  71         // break if ended, perform no further idle processing
  72         if (!IsModal())
  73             break;
  74
  75         // do some idle processing
  76         bool needMore = false;
  77         if (wxTheApp)
  78         {
  79             wxTheApp->ProcessPendingEvents();
  80             needMore = wxTheApp->ProcessIdle();
  81         }
  82
  83         if (!needMore)
  84         {
  85             // no more idle processing wanted - block until the next event
  86             [theNSApp nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantFuture] inMode:NSDefaultRunLoopMode dequeue:NO];
  87         }
  88     }
  89     [NSApp endModalSession:session];
  90
  91 /*
  92     if ( resetGroupParent )
  93     {
  94         SetWindowGroupParent( windowGroup , formerParentGroup );
  95     }
  96 */
  97 }