Move util functions into UIConfiguration as they depend on it anyway
[ardour.git] / gtk2_ardour / au_pluginui.mm
index a46021f66fd04cd952133b0f65ea18c61ef16a89..3682788a74619bd4ea2e5540f6bf53007b2cc86c 100644 (file)
@@ -1,22 +1,25 @@
 #undef  Marker
 #define Marker FuckYouAppleAndYourLackOfNameSpaces
 
-#include <pbd/error.h>
-#include <ardour/audio_unit.h>
-#include <ardour/insert.h>
-
-#undef check // stupid gtk, stupid apple
-
 #include <gtkmm/button.h>
 #include <gdk/gdkquartz.h>
 
+#include "pbd/convert.h"
+#include "pbd/error.h"
+
+#include "ardour/audio_unit.h"
+#include "ardour/debug.h"
+#include "ardour/plugin_insert.h"
+
+#undef check // stupid gtk, stupid apple
+
 #include <gtkmm2ext/utils.h>
 
 #include "au_pluginui.h"
 #include "gui_thread.h"
 
-#include <appleutility/CAAudioUnit.h>
-#include <appleutility/CAComponent.h>
+#include "appleutility/CAAudioUnit.h"
+#include "appleutility/CAComponent.h"
 
 #import <AudioUnit/AUCocoaUIView.h>
 #import <CoreAudioKit/AUGenericView.h>
@@ -31,7 +34,6 @@
 using namespace ARDOUR;
 using namespace Gtk;
 using namespace Gtkmm2ext;
-using namespace sigc;
 using namespace std;
 using namespace PBD;
 
@@ -45,6 +47,88 @@ static const gchar* _automation_mode_strings[] = {
        0
 };
 
+static void
+dump_view_tree (NSView* view, int depth)
+{
+       NSArray* subviews = [view subviews];
+       unsigned long cnt = [subviews count];
+
+       for (int d = 0; d < depth; d++) {
+               cerr << '\t';
+       }
+        NSRect frame = [view frame];
+       cerr << " view @ " <<  frame.origin.x << ", " << frame.origin.y
+             << ' ' << frame.size.width << " x " << frame.size.height
+             << endl;
+       
+       for (unsigned long i = 0; i < cnt; ++i) {
+               NSView* subview = [subviews objectAtIndex:i];
+               dump_view_tree (subview, depth+1);
+       }
+}
+
+@implementation NotificationObject
+
+- (NotificationObject*) initWithPluginUI: (AUPluginUI*) apluginui andCocoaParent: (NSWindow*) cp andTopLevelParent: (NSWindow*) tlp
+{
+       self = [ super init ];
+
+       if (self) {
+               plugin_ui = apluginui; 
+               top_level_parent = tlp;
+                
+                if (cp) {
+                        cocoa_parent = cp;
+                        
+                        [[NSNotificationCenter defaultCenter] addObserver:self
+                         selector:@selector(cocoaParentActivationHandler:)
+                         name:NSWindowDidBecomeMainNotification
+                         object:NULL];
+                        
+                        [[NSNotificationCenter defaultCenter] addObserver:self
+                         selector:@selector(cocoaParentBecameKeyHandler:)
+                         name:NSWindowDidBecomeKeyNotification
+                         object:NULL];
+                }
+        }
+
+       return self;
+}
+               
+- (void)cocoaParentActivationHandler:(NSNotification *)notification
+{
+       NSWindow* notification_window = (NSWindow *)[notification object];
+
+       if (top_level_parent == notification_window || cocoa_parent == notification_window) {
+               if ([notification_window isMainWindow]) {
+                       plugin_ui->activate();
+               } else {
+                       plugin_ui->deactivate();
+               }
+       } 
+}
+
+- (void)cocoaParentBecameKeyHandler:(NSNotification *)notification
+{
+       NSWindow* notification_window = (NSWindow *)[notification object];
+
+       if (top_level_parent == notification_window || cocoa_parent == notification_window) {
+               if ([notification_window isKeyWindow]) {
+                       plugin_ui->activate();
+               } else {
+                       plugin_ui->deactivate();
+               }
+       } 
+}
+
+- (void)auViewResized:(NSNotification *)notification
+{
+        (void) notification; // stop complaints about unusued argument
+       plugin_ui->cocoa_view_resized();
+}
+
+@end
+
 AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
        : PlugUIBase (insert)
        , automation_mode_label (_("Automation"))
@@ -67,11 +151,23 @@ AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
 
        HBox* smaller_hbox = manage (new HBox);
 
-       smaller_hbox->pack_start (preset_label, false, false, 10);
-       smaller_hbox->pack_start (preset_combo, false, false);
+       smaller_hbox->set_spacing (6);
+       smaller_hbox->pack_start (preset_label, false, false, 4);
+       smaller_hbox->pack_start (_preset_modified, false, false);
+       smaller_hbox->pack_start (_preset_combo, false, false);
+       smaller_hbox->pack_start (add_button, false, false);
+#if 0
+       /* Ardour does not currently allow to overwrite existing presets
+        * see save_property_list() in audio_unit.cc
+        */
        smaller_hbox->pack_start (save_button, false, false);
+#endif
+#if 0
+       /* one day these might be useful with an AU plugin, but not yet */
        smaller_hbox->pack_start (automation_mode_label, false, false);
        smaller_hbox->pack_start (automation_mode_selector, false, false);
+#endif
+       smaller_hbox->pack_start (reset_button, false, false);
        smaller_hbox->pack_start (bypass_button, false, true);
 
        VBox* v1_box = manage (new VBox);
@@ -92,51 +188,77 @@ AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
        pack_start (low_box, false, false);
 
        preset_label.show ();
-       preset_combo.show ();
+       _preset_combo.show ();
        automation_mode_label.show ();
        automation_mode_selector.show ();
        bypass_button.show ();
        top_box.show ();
        low_box.show ();
 
-       _activating_from_app = false;
        cocoa_parent = 0;
        cocoa_window = 0;
+
+#ifdef WITH_CARBON
+       _activating_from_app = false;
+       _notify = 0;
        au_view = 0;
-       packView = 0;
+       editView = 0;
+       carbon_window = 0;
+#endif
 
        /* prefer cocoa, fall back to cocoa, but use carbon if its there */
 
        if (test_cocoa_view_support()) {
                create_cocoa_view ();
+#ifdef WITH_CARBON
        } else if (test_carbon_view_support()) {
                create_carbon_view ();
+#endif
        } else {
                create_cocoa_view ();
        }
 
+       low_box.add_events(Gdk::VISIBILITY_NOTIFY_MASK);
+
        low_box.signal_realize().connect (mem_fun (this, &AUPluginUI::lower_box_realized));
+       low_box.signal_visibility_notify_event ().connect (mem_fun (this, &AUPluginUI::lower_box_visibility_notify));
 }
 
 AUPluginUI::~AUPluginUI ()
 {
+        if (_notify) {
+                [[NSNotificationCenter defaultCenter] removeObserver:_notify];
+        }
+
        if (cocoa_parent) {
                NSWindow* win = get_nswindow();
-               RemoveEventHandler(carbon_event_handler);
                [win removeChildWindow:cocoa_parent];
-       } else if (carbon_window) {
-               /* never parented */
+       } 
+
+#ifdef WITH_CARBON
+       if (carbon_window) {
+               /* not parented, just overlaid on top of our window */
                DisposeWindow (carbon_window);
        }
+#endif
 
-       if (packView && packView != au_view) {
-               [packView release];
+       if (editView) {
+               CloseComponent (editView);
+       }
+
+       if (au_view) {
+               /* remove whatever we packed into low_box so that GTK doesn't
+                  mess with it.
+               */
+
+               [au_view removeFromSuperview];
        }
 }
 
 bool
 AUPluginUI::test_carbon_view_support ()
 {
+#ifdef WITH_CARBON
        bool ret = false;
        
        carbon_descriptor.componentType = kAudioUnitCarbonViewComponentType;
@@ -163,6 +285,9 @@ AUPluginUI::test_carbon_view_support ()
        }
 
        return ret;
+#else
+        return false;
+#endif
 }
        
 bool
@@ -192,13 +317,13 @@ AUPluginUI::plugin_class_valid (Class pluginClass)
 int
 AUPluginUI::create_cocoa_view ()
 {
-       BOOL wasAbleToLoadCustomView = NO;
+       bool wasAbleToLoadCustomView = false;
        AudioUnitCocoaViewInfo* cocoaViewInfo = NULL;
        UInt32               numberOfClasses = 0;
        UInt32     dataSize;
        Boolean    isWritable;
        NSString*           factoryClassName = 0;
-       NSURL*              CocoaViewBundlePath;
+       NSURL*              CocoaViewBundlePath = NULL;
 
        OSStatus result = AudioUnitGetPropertyInfo (*au->get_au(),
                                                    kAudioUnitProperty_CocoaUI,
@@ -208,11 +333,16 @@ AUPluginUI::create_cocoa_view ()
                                                    &isWritable );
 
        numberOfClasses = (dataSize - sizeof(CFURLRef)) / sizeof(CFStringRef);
-       
+
        // Does view have custom Cocoa UI?
        
        if ((result == noErr) && (numberOfClasses > 0) ) {
+
+               DEBUG_TRACE(DEBUG::AudioUnits,
+                           string_compose ( "based on %1, there are %2 cocoa UI classes\n", dataSize, numberOfClasses));
+
                cocoaViewInfo = (AudioUnitCocoaViewInfo *)malloc(dataSize);
+
                if(AudioUnitGetProperty(*au->get_au(),
                                        kAudioUnitProperty_CocoaUI,
                                        kAudioUnitScope_Global,
@@ -221,12 +351,17 @@ AUPluginUI::create_cocoa_view ()
                                        &dataSize) == noErr) {
 
                        CocoaViewBundlePath     = (NSURL *)cocoaViewInfo->mCocoaAUViewBundleLocation;
-                       
+                               
                        // we only take the first view in this example.
                        factoryClassName        = (NSString *)cocoaViewInfo->mCocoaAUViewClass[0];
-
+                       
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("the factory name is %1 bundle is %2\n",
+                                                                       [factoryClassName UTF8String], CocoaViewBundlePath));
+                        
                } else {
 
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("No cocoaUI property cocoaViewInfo = %1\n", cocoaViewInfo));
+
                        if (cocoaViewInfo != NULL) {
                                free (cocoaViewInfo);
                                cocoaViewInfo = NULL;
@@ -234,17 +369,19 @@ AUPluginUI::create_cocoa_view ()
                }
        }
 
-       NSRect crect = { { 0, 0 }, { 1, 1} };
-
        // [A] Show custom UI if view has it
 
        if (CocoaViewBundlePath && factoryClassName) {
                NSBundle *viewBundle    = [NSBundle bundleWithPath:[CocoaViewBundlePath path]];
-               if (viewBundle == nil) {
+
+               DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create bundle, result = %1\n", viewBundle));
+
+               if (viewBundle == NULL) {
                        error << _("AUPluginUI: error loading AU view's bundle") << endmsg;
                        return -1;
                } else {
                        Class factoryClass = [viewBundle classNamed:factoryClassName];
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create factory class, result = %1\n", factoryClass));
                        if (!factoryClass) {
                                error << _("AUPluginUI: error getting AU view's factory class from bundle") << endmsg;
                                return -1;
@@ -256,14 +393,18 @@ AUPluginUI::create_cocoa_view ()
                                return -1;
                        }
                        // make a factory
-                       id factoryInstance = [[[factoryClass alloc] init] autorelease];
-                       if (factoryInstance == nil) {
+                       id factory = [[[factoryClass alloc] init] autorelease];
+                       if (factory == NULL) {
                                error << _("AUPluginUI: Could not create an instance of the AU view factory") << endmsg;
                                return -1;
                        }
 
+                       DEBUG_TRACE (DEBUG::AudioUnits, "got a factory instance\n");
+
                        // make a view
-                       au_view = [factoryInstance uiViewForAudioUnit:*au->get_au() withSize:crect.size];
+                       au_view = [factory uiViewForAudioUnit:*au->get_au() withSize:NSZeroSize];
+
+                       DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
                        
                        // cleanup
                        [CocoaViewBundlePath release];
@@ -274,65 +415,81 @@ AUPluginUI::create_cocoa_view ()
                                
                                free (cocoaViewInfo);
                        }
-                       wasAbleToLoadCustomView = YES;
+                       wasAbleToLoadCustomView = true;
                }
        }
 
        if (!wasAbleToLoadCustomView) {
                // load generic Cocoa view
+               DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Loading generic view using %1 -> %2\n", au,
+                                                               au->get_au()));
                au_view = [[AUGenericView alloc] initWithAudioUnit:*au->get_au()];
-               [(AUGenericView *)au_view setShowsExpertParameters:YES];
+               DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
+               [(AUGenericView *)au_view setShowsExpertParameters:1];
        }
 
-       NSRect packFrame;
-
-       // Get the size of the new AU View's frame 
-       packFrame = [au_view frame];
-
-       packFrame.origin.x = 0;
-       packFrame.origin.y = 0;
-
-       if (packFrame.size.width > 500 || packFrame.size.height > 500) {
-               
-               /* its too big - use a scrollview */
-
-               NSRect frameRect = [[cocoa_window contentView] frame];
-               scroll_view = [[[NSScrollView alloc] initWithFrame:frameRect] autorelease];
-               [scroll_view setDrawsBackground:NO];
-               [scroll_view setHasHorizontalScroller:YES];
-               [scroll_view setHasVerticalScroller:YES];
-
-               packFrame.size = [NSScrollView  frameSizeForContentSize:packFrame.size
-                                   hasHorizontalScroller:[scroll_view hasHorizontalScroller]
-                                   hasVerticalScroller:[scroll_view hasVerticalScroller]
-                                   borderType:[scroll_view borderType]];
-               
-               // Create a new frame with same origin as current
-               // frame but size equal to the size of the new view
-               NSRect newFrame;
-               newFrame.origin = [scroll_view frame].origin;
-               newFrame.size = packFrame.size;
-               
-               // Set the new frame and document views on the scroll view
-               [scroll_view setFrame:newFrame];
-               [scroll_view setDocumentView:au_view];
-               
-               packView = scroll_view;
-
-       } else {
-
-               packView = au_view;
-       }
-
-       prefwidth = packFrame.size.width;
-       prefheight = packFrame.size.height;
+       // Get the initial size of the new AU View's frame 
+       
+       NSRect rect = [au_view frame];
+        prefheight = rect.size.height;
+        prefwidth = rect.size.width;
+       low_box.set_size_request (rect.size.width, rect.size.height);
 
        return 0;
 }
 
+void
+AUPluginUI::cocoa_view_resized ()
+{
+        NSWindow* window = get_nswindow ();
+        NSRect windowFrame= [window frame];
+        NSRect new_frame = [au_view frame];
+
+        float dy = last_au_frame.size.height - new_frame.size.height;
+        float dx = last_au_frame.size.width - new_frame.size.width;
+
+        windowFrame.origin.y    += dy;
+        windowFrame.origin.x    += dx;
+        windowFrame.size.height -= dy;
+        windowFrame.size.width  -= dx;
+        
+        [[NSNotificationCenter defaultCenter] removeObserver:_notify
+         name:NSViewFrameDidChangeNotification 
+         object:au_view];
+
+        NSUInteger old_auto_resize = [au_view autoresizingMask];
+
+        [au_view setAutoresizingMask:NSViewNotSizable];
+        [window setFrame:windowFrame display:1];
+
+        /* Some stupid AU Views change the origin of the original AU View
+           when they are resized (I'm looking at you AUSampler). If the origin
+           has been moved, move it back.
+        */
+
+        if (last_au_frame.origin.x != new_frame.origin.x ||
+            last_au_frame.origin.y != new_frame.origin.y) {
+                new_frame.origin = last_au_frame.origin;
+                [au_view setFrame:new_frame];
+                /* also be sure to redraw the topbox because this can
+                   also go wrong.
+                 */
+                top_box.queue_draw ();
+        }
+
+        [au_view setAutoresizingMask:old_auto_resize];
+
+        [[NSNotificationCenter defaultCenter] addObserver:_notify
+         selector:@selector(auViewResized:) name:NSViewFrameDidChangeNotification
+         object:au_view];
+
+        last_au_frame = new_frame;
+}
+
 int
 AUPluginUI::create_carbon_view ()
 {
+#ifdef WITH_CARBON
        OSStatus err;
        ControlRef root_control;
 
@@ -350,13 +507,16 @@ AUPluginUI::create_carbon_view ()
                                                  kWindowNoShadowAttribute|
                                                  kWindowNoTitleBarAttribute);
 
-       if ((err = CreateNewWindow(kDocumentWindowClass, attr, &r, &carbon_window)) != noErr) {
+       if ((err = CreateNewWindow(kUtilityWindowClass, attr, &r, &carbon_window)) != noErr) {
                error << string_compose (_("AUPluginUI: cannot create carbon window (err: %1)"), err) << endmsg;
+               CloseComponent (editView);
                return -1;
        }
        
        if ((err = GetRootControl(carbon_window, &root_control)) != noErr) {
                error << string_compose (_("AUPlugin: cannot get root control of carbon window (err: %1)"), err) << endmsg;
+               DisposeWindow (carbon_window);
+               CloseComponent (editView);
                return -1;
        }
 
@@ -366,6 +526,8 @@ AUPluginUI::create_carbon_view ()
 
        if ((err = AudioUnitCarbonViewCreate (editView, *au->get_au(), carbon_window, root_control, &location, &size, &viewPane)) != noErr) {
                error << string_compose (_("AUPluginUI: cannot create carbon plugin view (err: %1)"), err) << endmsg;
+               DisposeWindow (carbon_window);
+               CloseComponent (editView);
                return -1;
        }
 
@@ -383,6 +545,10 @@ AUPluginUI::create_carbon_view ()
        low_box.set_size_request (prefwidth, prefheight);
 
        return 0;
+#else
+       error << _("AU Carbon GUI is not supported.") << endmsg;
+       return -1;
+#endif
 }
 
 NSWindow*
@@ -408,77 +574,25 @@ AUPluginUI::get_nswindow ()
 void
 AUPluginUI::activate ()
 {
-       if (carbon_window && cocoa_parent) {
-               cerr << "APP activated, activate carbon window " << insert->name() << endl;
-               _activating_from_app = true;
-               ActivateWindow (carbon_window, TRUE);
-               _activating_from_app = false;
-               [cocoa_parent makeKeyAndOrderFront:nil];
-       } 
+#ifdef WITH_CARBON
+       ActivateWindow (carbon_window, TRUE);
+#endif
 }
 
 void
 AUPluginUI::deactivate ()
 {
-       return;
-       cerr << "APP DEactivated, for " << insert->name() << endl;
-       _activating_from_app = true;
+#ifdef WITH_CARBON
        ActivateWindow (carbon_window, FALSE);
-       _activating_from_app = false;
-}
-
-
-OSStatus 
-_carbon_event (EventHandlerCallRef nextHandlerRef, EventRef event, void *userData) 
-{
-       return ((AUPluginUI*)userData)->carbon_event (nextHandlerRef, event);
-}
-
-OSStatus 
-AUPluginUI::carbon_event (EventHandlerCallRef nextHandlerRef, EventRef event)
-{
-       cerr << "CARBON EVENT\n";
-
-       UInt32 eventKind = GetEventKind(event);
-       ClickActivationResult howToHandleClick;
-       NSWindow* win = get_nswindow ();
-
-       cerr << "window " << win << " carbon event type " << eventKind << endl;
-
-       switch (eventKind) {
-       case kEventWindowHandleActivate:
-               cerr << "carbon window for " << insert->name() << " activated\n";
-               if (_activating_from_app) {
-                       cerr << "app activation, ignore window activation\n";
-                       return noErr;
-               }
-               [win makeMainWindow];
-               return eventNotHandledErr;
-               break;
-
-       case kEventWindowHandleDeactivate:
-               cerr << "carbon window for " << insert->name() << " would have been deactivated\n";
-               // never deactivate the carbon window
-               return noErr;
-               break;
-               
-       case kEventWindowGetClickActivation:
-               cerr << "carbon window CLICK activated\n";
-               [win makeKeyAndOrderFront:nil];
-               howToHandleClick = kActivateAndHandleClick;
-               SetEventParameter(event, kEventParamClickActivation, typeClickActivationResult, 
-                                 sizeof(ClickActivationResult), &howToHandleClick);
-               break;
-       }
-
-       return noErr;
+#endif
 }
 
 int
 AUPluginUI::parent_carbon_window ()
 {
+#ifdef WITH_CARBON
        NSWindow* win = get_nswindow ();
-       int x, y;
+       Rect windowStructureBoundsRect;
 
        if (!win) {
                return -1;
@@ -491,7 +605,11 @@ AUPluginUI::parent_carbon_window ()
                return -1;
        }
        
-       toplevel->get_window()->get_root_origin (x, y);
+       /* figure out where the cocoa parent window is in carbon-coordinate space, which
+          differs from both cocoa-coordinate space and GTK-coordinate space
+       */
+
+       GetWindowBounds((WindowRef) [win windowRef], kWindowStructureRgn, &windowStructureBoundsRect);
 
        /* compute how tall the title bar is, because we have to offset the position of the carbon window
           by that much.
@@ -504,41 +622,39 @@ AUPluginUI::parent_carbon_window ()
 
        int packing_extra = 6; // this is the total vertical packing in our top level window
 
-       MoveWindow (carbon_window, x, y + titlebar_height + top_box.get_height() + packing_extra, false);
+       /* move into position, based on parent window position */
+       MoveWindow (carbon_window, 
+                   windowStructureBoundsRect.left, 
+                   windowStructureBoundsRect.top + titlebar_height + top_box.get_height() + packing_extra, 
+                   false);
        ShowWindow (carbon_window);
 
        // create the cocoa window for the carbon one and make it visible
        cocoa_parent = [[NSWindow alloc] initWithWindowRef: carbon_window];
 
-       EventTypeSpec   windowEventTypes[] = {
-               {kEventClassWindow, kEventWindowGetClickActivation },
-               {kEventClassWindow, kEventWindowHandleDeactivate }
-       };
-       
-       EventHandlerUPP   ehUPP = NewEventHandlerUPP(_carbon_event);
-       OSStatus result = InstallWindowEventHandler (carbon_window, ehUPP, 
-                                                    sizeof(windowEventTypes) / sizeof(EventTypeSpec), 
-                                                    windowEventTypes, this, &carbon_event_handler);
-       if (result != noErr) {
-               return -1;
-       }
+       SetWindowActivationScope (carbon_window, kWindowActivationScopeNone);
+
+       _notify = [ [NotificationObject alloc] initWithPluginUI:this andCocoaParent:cocoa_parent andTopLevelParent:win ]; 
 
        [win addChildWindow:cocoa_parent ordered:NSWindowAbove];
+       [win setAutodisplay:1]; // turn of GTK stuff for this window
 
        return 0;
+#else
+       return -1;
+#endif
 }      
 
 int
 AUPluginUI::parent_cocoa_window ()
 {
        NSWindow* win = get_nswindow ();
-       NSRect packFrame;
 
        if (!win) {
                return -1;
        }
 
-       [win setAutodisplay:YES]; // turn of GTK stuff for this window
+       [win setAutodisplay:1]; // turn of GTK stuff for this window
 
        Gtk::Container* toplevel = get_toplevel();
 
@@ -546,21 +662,62 @@ AUPluginUI::parent_cocoa_window ()
                error << _("AUPluginUI: no top level window!") << endmsg;
                return -1;
        }
-       
-       // Get the size of the new AU View's frame 
-       packFrame = [au_view frame];
 
-       NSView* view = gdk_quartz_window_get_nsview (low_box.get_window()->gobj());
-       
+       NSView* view = gdk_quartz_window_get_nsview (get_toplevel()->get_window()->gobj());
+       GtkRequisition a = top_box.size_request ();
+
+       /* move the au_view down so that it doesn't overlap the top_box contents */
+
+       const int spacing = 6;  // main vbox spacing
+       const int pad     = 4;  // box pad
+
+       NSPoint origin = { spacing + pad, static_cast<CGFloat> (a.height) + (2 * spacing) + pad };
 
-       [view setFrame:packFrame];
-       [view addSubview:packView]; 
+       [au_view setFrameOrigin:origin];
+        [view addSubview:au_view positioned:NSWindowBelow relativeTo:NULL];
 
-       low_box.set_size_request (packFrame.size.width, packFrame.size.height);
+        last_au_frame = [au_view frame];
+
+       // watch for size changes of the view
+
+       _notify = [ [NotificationObject alloc] initWithPluginUI:this andCocoaParent:NULL andTopLevelParent:win ];
+
+        [[NSNotificationCenter defaultCenter] addObserver:_notify
+         selector:@selector(auViewResized:) name:NSViewFrameDidChangeNotification
+         object:au_view];
 
        return 0;
 }
 
+void
+AUPluginUI::grab_focus()
+{
+       if (au_view) {
+               [au_view becomeFirstResponder];
+       }
+}
+void
+AUPluginUI::forward_key_event (GdkEventKey* ev)
+{
+       NSEvent* nsevent = gdk_quartz_event_get_nsevent ((GdkEvent*)ev);
+
+       if (au_view && nsevent) {
+
+               /* filter on nsevent type here because GDK massages FlagsChanged
+                  messages into GDK_KEY_{PRESS,RELEASE} but Cocoa won't
+                  handle a FlagsChanged message as a keyDown or keyUp
+               */
+
+               if ([nsevent type] == NSKeyDown) {
+                       [[[au_view window] firstResponder] keyDown:nsevent];
+               } else if ([nsevent type] == NSKeyUp) {
+                       [[[au_view window] firstResponder] keyUp:nsevent];
+               } else if ([nsevent type] == NSFlagsChanged) {
+                       [[[au_view window] firstResponder] flagsChanged:nsevent];
+               }
+       }
+}
+
 void
 AUPluginUI::on_realize ()
 {
@@ -570,7 +727,7 @@ AUPluginUI::on_realize ()
 
        NSWindow* win = get_nswindow ();
        if (win) {
-               [win setShowsResizeIndicator:NO];
+               [win setShowsResizeIndicator:0];
        }
 }
 
@@ -584,44 +741,65 @@ AUPluginUI::lower_box_realized ()
        }
 }
 
-void
-AUPluginUI::on_hide ()
-{
-       // VBox::on_hide ();
-       cerr << "AU plugin window hidden\n";
-}
-
 bool
-AUPluginUI::on_map_event (GdkEventAny* ev)
+AUPluginUI::lower_box_visibility_notify (GdkEventVisibility* ev)
 {
+#ifdef WITH_CARBON
+       if (carbon_window  && ev->state != GDK_VISIBILITY_UNOBSCURED) {
+               ShowWindow (carbon_window);
+               ActivateWindow (carbon_window, TRUE);
+               return true;
+       }
+#endif
        return false;
 }
 
 void
-AUPluginUI::on_show ()
+AUPluginUI::on_window_hide ()
 {
-       cerr << "AU plugin window shown\n";
+#ifdef WITH_CARBON
+       if (carbon_window) {
+               HideWindow (carbon_window);
+               ActivateWindow (carbon_window, FALSE);
+       }
+#endif
+       hide_all ();
+        
+#if 0
+        NSArray* wins = [NSApp windows];
+        for (uint32_t i = 0; i < [wins count]; i++) {
+                id win = [wins objectAtIndex:i];
+        }
+#endif
+}
 
-       VBox::on_show ();
+bool
+AUPluginUI::on_window_show (const string& /*title*/)
+{
+       /* this is idempotent so just call it every time we show the window */
 
        gtk_widget_realize (GTK_WIDGET(low_box.gobj()));
 
-       if (au_view) {
-               show_all ();
-       } else if (carbon_window) {
-               [cocoa_parent setIsVisible:YES];
+       show_all ();
+
+#ifdef WITH_CARBON
+       if (carbon_window) {
                ShowWindow (carbon_window);
+               ActivateWindow (carbon_window, TRUE);
        }
+#endif
+
+       return true;
 }
 
 bool
-AUPluginUI::start_updating (GdkEventAny* any)
+AUPluginUI::start_updating (GdkEventAny*)
 {
        return false;
 }
 
 bool
-AUPluginUI::stop_updating (GdkEventAny* any)
+AUPluginUI::stop_updating (GdkEventAny*)
 {
        return false;
 }
@@ -634,19 +812,4 @@ create_au_gui (boost::shared_ptr<PluginInsert> plugin_insert, VBox** box)
        return aup;
 }
 
-bool
-AUPluginUI::on_focus_in_event (GdkEventFocus* ev)
-{
-       //cerr << "au plugin focus in\n";
-       //Keyboard::magic_widget_grab_focus ();
-       return false;
-}
-
-bool
-AUPluginUI::on_focus_out_event (GdkEventFocus* ev)
-{
-       //cerr << "au plugin focus out\n";
-       //Keyboard::magic_widget_drop_focus ();
-       return false;
-}