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::ShowWindowModal()
  28 {
  29     wxTopLevelWindow* parent = static_cast<wxTopLevelWindow*>(wxGetTopLevelParent(GetParent()));
  30
  31     wxASSERT_MSG(parent, "ShowWindowModal requires the dialog to have a parent.");
  32
  33     NSWindow* parentWindow = parent->GetWXWindow();
  34     NSWindow* theWindow = GetWXWindow();
  35
  36     [NSApp beginSheet: theWindow
  37             modalForWindow: parentWindow
  38             modalDelegate: theWindow
  39             didEndSelector: nil
  40             contextInfo: nil];
  41 }
  42
  43 void wxDialog::EndWindowModal()
  44 {
  45     [NSApp endSheet: GetWXWindow()];
  46 }
  47
  48 void wxDialog::DoShowModal()
  49 {
  50     wxCHECK_RET( !IsModal(), wxT("DoShowModal() called twice") );
  51
  52     // If the app hasn't started, flush the event queue
  53     // If we don't do this, the Dock doesn't get the message that
  54     // the app has started so will refuse to activate it.
  55     NSApplication *theNSApp = [NSApplication sharedApplication];
  56     if (![theNSApp isRunning])
  57     {
  58         wxMacAutoreleasePool pool;
  59         while(NSEvent *event = [theNSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil inMode:NSDefaultRunLoopMode dequeue:YES])
  60         {
  61             [theNSApp sendEvent:event];
  62         }
  63     }
  64
  65     wxModalDialogs.Append(this);
  66
  67     SetFocus() ;
  68 /*
  69     WindowGroupRef windowGroup;
  70     WindowGroupRef formerParentGroup;
  71     bool resetGroupParent = false;
  72
  73     if ( GetParent() == NULL )
  74     {
  75         windowGroup = GetWindowGroup(windowRef) ;
  76         formerParentGroup = GetWindowGroupParent( windowGroup );
  77         SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
  78         resetGroupParent = true;
  79     }
  80 */
  81     NSWindow* theWindow = GetWXWindow();
  82
  83     NSModalSession session = [NSApp beginModalSessionForWindow:theWindow];
  84     while (IsModal())
  85     {
  86         wxMacAutoreleasePool autoreleasepool;
  87         // we cannot break based on the return value, because nested
  88         // alerts might set this to stopped as well, so it would be
  89         // unsafe
  90         [NSApp runModalSession:session];
  91
  92         // break if ended, perform no further idle processing
  93         if (!IsModal())
  94             break;
  95
  96         // do some idle processing
  97         bool needMore = false;
  98         if (wxTheApp)
  99         {
 100             wxTheApp->ProcessPendingEvents();
 101             needMore = wxTheApp->ProcessIdle();
 102         }
 103
 104         if (!needMore)
 105         {
 106             // no more idle processing wanted - block until the next event
 107             [theNSApp nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantFuture] inMode:NSDefaultRunLoopMode dequeue:NO];
 108         }
 109     }
 110     [NSApp endModalSession:session];
 111
 112 /*
 113     if ( resetGroupParent )
 114     {
 115         SetWindowGroupParent( windowGroup , formerParentGroup );
 116     }
 117 */
 118 }