Add EngineControl::stop_engine method to show errors when stopping engine
[ardour.git] / gtk2_ardour / au_pluginui.mm
index d1ba3d4d7f53b369f514dce392856025c8aff219..3682788a74619bd4ea2e5540f6bf53007b2cc86c 100644 (file)
@@ -1,8 +1,9 @@
-#include <gtkmm/stock.h>
-
 #undef  Marker
 #define Marker FuckYouAppleAndYourLackOfNameSpaces
 
+#include <gtkmm/button.h>
+#include <gdk/gdkquartz.h>
+
 #include "pbd/convert.h"
 #include "pbd/error.h"
 
@@ -12,9 +13,6 @@
 
 #undef check // stupid gtk, stupid apple
 
-#include <gtkmm/button.h>
-#include <gdk/gdkquartz.h>
-
 #include <gtkmm2ext/utils.h>
 
 #include "au_pluginui.h"
@@ -36,7 +34,6 @@
 using namespace ARDOUR;
 using namespace Gtk;
 using namespace Gtkmm2ext;
-using namespace sigc;
 using namespace std;
 using namespace PBD;
 
@@ -50,6 +47,26 @@ 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
@@ -57,20 +74,23 @@ static const gchar* _automation_mode_strings[] = {
        self = [ super init ];
 
        if (self) {
-               plugin_ui = apluginui;
-               cocoa_parent = cp;
+               plugin_ui = apluginui; 
                top_level_parent = tlp;
-
-               [[NSNotificationCenter defaultCenter] addObserver:self
-                selector:@selector(cocoaParentActivationHandler:)
-                name:NSWindowDidBecomeMainNotification
-                object:nil];
-
-               [[NSNotificationCenter defaultCenter] addObserver:self
-                selector:@selector(cocoaParentBecameKeyHandler:)
-                name:NSWindowDidBecomeKeyNotification
-                object:nil];
-       }
+                
+                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;
 }
@@ -101,9 +121,9 @@ static const gchar* _automation_mode_strings[] = {
        } 
 }
 
-- (void)auViewResized:(NSNotification *)notification;
+- (void)auViewResized:(NSNotification *)notification
 {
-       (void) notification;
+        (void) notification; // stop complaints about unusued argument
        plugin_ui->cocoa_view_resized();
 }
 
@@ -133,13 +153,21 @@ AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
 
        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);
@@ -167,13 +195,16 @@ AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
        top_box.show ();
        low_box.show ();
 
-       _activating_from_app = false;
        cocoa_parent = 0;
-       _notify = 0;
        cocoa_window = 0;
-       carbon_window = 0;
+
+#ifdef WITH_CARBON
+       _activating_from_app = false;
+       _notify = 0;
        au_view = 0;
        editView = 0;
+       carbon_window = 0;
+#endif
 
        /* prefer cocoa, fall back to cocoa, but use carbon if its there */
 
@@ -187,16 +218,21 @@ AUPluginUI::AUPluginUI (boost::shared_ptr<PluginInsert> insert)
                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();
-               [[NSNotificationCenter defaultCenter] removeObserver:_notify];
                [win removeChildWindow:cocoa_parent];
-
        } 
 
 #ifdef WITH_CARBON
@@ -222,6 +258,7 @@ AUPluginUI::~AUPluginUI ()
 bool
 AUPluginUI::test_carbon_view_support ()
 {
+#ifdef WITH_CARBON
        bool ret = false;
        
        carbon_descriptor.componentType = kAudioUnitCarbonViewComponentType;
@@ -248,6 +285,9 @@ AUPluginUI::test_carbon_view_support ()
        }
 
        return ret;
+#else
+        return false;
+#endif
 }
        
 bool
@@ -277,7 +317,7 @@ 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;
@@ -302,6 +342,7 @@ AUPluginUI::create_cocoa_view ()
                            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,
@@ -315,8 +356,8 @@ AUPluginUI::create_cocoa_view ()
                        factoryClassName        = (NSString *)cocoaViewInfo->mCocoaAUViewClass[0];
                        
                        DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("the factory name is %1 bundle is %2\n",
-                                                                       factoryClassName, CocoaViewBundlePath));
-
+                                                                       [factoryClassName UTF8String], CocoaViewBundlePath));
+                        
                } else {
 
                        DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("No cocoaUI property cocoaViewInfo = %1\n", cocoaViewInfo));
@@ -328,8 +369,6 @@ AUPluginUI::create_cocoa_view ()
                }
        }
 
-       NSRect crect = { { 0, 0 }, { 1, 1} };
-
        // [A] Show custom UI if view has it
 
        if (CocoaViewBundlePath && factoryClassName) {
@@ -337,7 +376,7 @@ AUPluginUI::create_cocoa_view ()
 
                DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("tried to create bundle, result = %1\n", viewBundle));
 
-               if (viewBundle == nil) {
+               if (viewBundle == NULL) {
                        error << _("AUPluginUI: error loading AU view's bundle") << endmsg;
                        return -1;
                } else {
@@ -354,8 +393,8 @@ 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;
                        }
@@ -363,7 +402,7 @@ AUPluginUI::create_cocoa_view ()
                        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));
                        
@@ -376,7 +415,7 @@ AUPluginUI::create_cocoa_view ()
                                
                                free (cocoaViewInfo);
                        }
-                       wasAbleToLoadCustomView = YES;
+                       wasAbleToLoadCustomView = true;
                }
        }
 
@@ -386,30 +425,65 @@ AUPluginUI::create_cocoa_view ()
                                                                au->get_au()));
                au_view = [[AUGenericView alloc] initWithAudioUnit:*au->get_au()];
                DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("view created @ %1\n", au_view));
-               [(AUGenericView *)au_view setShowsExpertParameters:YES];
+               [(AUGenericView *)au_view setShowsExpertParameters:1];
        }
 
-       // watch for size changes of the view
-
-        [[NSNotificationCenter defaultCenter] addObserver:_notify
-              selector:@selector(auViewResized:) name:NSWindowDidResizeNotification
-              object:au_view];
-
-       // Get the size of the new AU View's frame 
-       
-       NSRect packFrame;
-       packFrame = [au_view frame];
-       prefwidth = packFrame.size.width;
-       prefheight = packFrame.size.height;
-       low_box.set_size_request (prefwidth, prefheight);
+       // 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 ()
 {
-       NSRect packFrame = [au_view frame];
+        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
@@ -433,7 +507,7 @@ 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;
@@ -503,7 +577,6 @@ AUPluginUI::activate ()
 #ifdef WITH_CARBON
        ActivateWindow (carbon_window, TRUE);
 #endif
-       // [cocoa_parent makeKeyAndOrderFront:nil];
 }
 
 void
@@ -519,7 +592,7 @@ AUPluginUI::parent_carbon_window ()
 {
 #ifdef WITH_CARBON
        NSWindow* win = get_nswindow ();
-       int x, y;
+       Rect windowStructureBoundsRect;
 
        if (!win) {
                return -1;
@@ -532,7 +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.
@@ -545,7 +622,11 @@ 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
@@ -556,6 +637,7 @@ AUPluginUI::parent_carbon_window ()
        _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
@@ -572,7 +654,7 @@ AUPluginUI::parent_cocoa_window ()
                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();
 
@@ -586,31 +668,34 @@ AUPluginUI::parent_cocoa_window ()
 
        /* move the au_view down so that it doesn't overlap the top_box contents */
 
-       NSPoint origin = { 0, a.height };
+       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 };
 
        [au_view setFrameOrigin:origin];
-       [view addSubview:au_view]; 
+        [view addSubview:au_view positioned:NSWindowBelow relativeTo:NULL];
+
+        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;
 }
 
-static void
-dump_view_tree (NSView* view, int depth)
+void
+AUPluginUI::grab_focus()
 {
-       NSArray* subviews = [view subviews];
-       unsigned long cnt = [subviews count];
-
-       for (int d = 0; d < depth; d++) {
-               cerr << '\t';
-       }
-       cerr << " view @ " << view << endl;
-       
-       for (unsigned long i = 0; i < cnt; ++i) {
-               NSView* subview = [subviews objectAtIndex:i];
-               dump_view_tree (subview, depth+1);
+       if (au_view) {
+               [au_view becomeFirstResponder];
        }
 }
-
 void
 AUPluginUI::forward_key_event (GdkEventKey* ev)
 {
@@ -642,7 +727,7 @@ AUPluginUI::on_realize ()
 
        NSWindow* win = get_nswindow ();
        if (win) {
-               [win setShowsResizeIndicator:NO];
+               [win setShowsResizeIndicator:0];
        }
 }
 
@@ -657,8 +742,15 @@ AUPluginUI::lower_box_realized ()
 }
 
 bool
-AUPluginUI::on_map_event (GdkEventAny*)
+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;
 }
 
@@ -671,8 +763,14 @@ AUPluginUI::on_window_hide ()
                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
 }
 
 bool
@@ -714,19 +812,4 @@ create_au_gui (boost::shared_ptr<PluginInsert> plugin_insert, VBox** box)
        return aup;
 }
 
-bool
-AUPluginUI::on_focus_in_event (GdkEventFocus*)
-{
-       //cerr << "au plugin focus in\n";
-       //Keyboard::magic_widget_grab_focus ();
-       return false;
-}
-
-bool
-AUPluginUI::on_focus_out_event (GdkEventFocus*)
-{
-       //cerr << "au plugin focus out\n";
-       //Keyboard::magic_widget_drop_focus ();
-       return false;
-}