au_pluginui.h

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/*
 * Copyright (C) 2006-2009 David Robillard <d@drobilla.net>
 * Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __gtk2_ardour_auplugin_ui_h__
#define __gtk2_ardour_auplugin_ui_h__
 
#include <vector>
#include <string>
 
#include <stdint.h>
 
#include <AppKit/AppKit.h>
#include <Carbon/Carbon.h>
#include <AudioUnit/AudioUnitCarbonView.h>
#include <AudioUnit/AudioUnit.h>
 
/* fix up stupid apple macros */
 
#undef check
#undef require
#undef verify
 
#ifdef YES
#undef YES
#endif
#ifdef NO
#undef NO
#endif
 
#include <gtkmm/box.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/combobox.h>
#include <gtkmm/button.h>
#include <gtkmm/label.h>
 
#include "widgets/eventboxext.h"
 
#include "plugin_ui.h"
 
namespace ARDOUR {
        class AUPlugin;
        class PlugInsertBase;
        class IOProcessor;
}
 
class AUPluginUI;
 
@interface NotificationObject : NSObject {
        @private
                AUPluginUI* plugin_ui;
                NSWindow* cocoa_parent;
                NSWindow* top_level_parent;
}
@end
 
@interface LiveResizeNotificationObject : NSObject {
        @private
                AUPluginUI* plugin_ui;
}
@end
 
class AUPluginUI : public PlugUIBase, public Gtk::VBox
{
public:
        AUPluginUI (std::shared_ptr<ARDOUR::PlugInsertBase>);
        ~AUPluginUI ();
 
        gint get_preferred_width () { return req_width; }
        gint get_preferred_height () { return req_height; }
        bool start_updating(GdkEventAny*);
        bool stop_updating(GdkEventAny*);
 
        void activate ();
        void deactivate ();
 
        bool non_gtk_gui() const { return true; }
 
        void lower_box_realized ();
        bool lower_box_visibility_notify (GdkEventVisibility*);
 
        void lower_box_map ();
        void lower_box_unmap ();
        void lower_box_size_request (GtkRequisition*);
        void lower_box_size_allocate (Gtk::Allocation&);
 
        void cocoa_view_resized ();
        void on_realize ();
        void grab_focus();
        void forward_key_event (GdkEventKey*);
 
        bool on_window_show (const std::string& /*title*/);
        void on_window_hide ();
 
        OSStatus carbon_event (EventHandlerCallRef nextHandlerRef, EventRef event);
 
        void start_live_resize ();
        void end_live_resize ();
 
private:
        WindowRef wr;
        std::shared_ptr<ARDOUR::AUPlugin> au;
        int prefheight;
        int prefwidth;
 
        Gtk::HBox top_box;
        ArdourWidgets::EventBoxExt low_box;
        Gtk::VBox vpacker;
        Gtk::Label automation_mode_label;
        Gtk::ComboBoxText automation_mode_selector;
        Gtk::Label preset_label;
 
        static std::vector<std::string> automation_mode_strings;
 
        bool resizable;
        int  req_width;
        int  req_height;
        int  alloc_width;
        int  alloc_height;
 
        /* Cocoa */
 
        NSWindow*           cocoa_window;
        NSView*             au_view;
        NSRect              last_au_frame;
        bool                in_live_resize;
        uint32_t            plugin_requested_resize;
 
        /* Carbon */
 
        NSWindow*            cocoa_parent;
        ComponentDescription carbon_descriptor;
        AudioUnitCarbonView  editView;
        WindowRef            carbon_window;
        EventHandlerRef      carbon_event_handler;
        bool                 _activating_from_app;
 
        /* Generic */
 
        NotificationObject* _notify;
        LiveResizeNotificationObject* _resize_notify;
 
        bool test_cocoa_view_support ();
        bool test_carbon_view_support ();
        int  create_carbon_view ();
        int  create_cocoa_view ();
 
        int parent_carbon_window ();
        int parent_cocoa_window ();
        NSWindow* get_nswindow();
 
        void update_view_size ();
 
        bool plugin_class_valid (Class pluginClass);
 
        friend void au_cf_timer_callback (CFRunLoopTimerRef timer, void* info);
        static CFRunLoopTimerRef   cf_timer;
        static void cf_timer_callback ();
        static int64_t last_timer;
        static bool timer_needed;
        static uint64_t timer_callbacks;
        static uint64_t timer_out_of_range;
 
        static bool timer_callback ();
        static sigc::connection timer_connection;
 
public:
        static void start_cf_timer ();
        static void stop_cf_timer ();
};
 
#endif /* __gtk2_ardour_auplugin_ui_h__  */