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livetrax/gtk2_ardour/lv2_plugin_ui.h

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/*
* Copyright (C) 2008-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2015 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2012-2018 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 __ardour_lv2_plugin_ui_h__
#define __ardour_lv2_plugin_ui_h__
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <list>
#include <map>
#include <set>
#include <vector>
#include <gtkmm/widget.h>
#include <sigc++/signal.h>
#include "ardour_dialog.h"
#include "ardour/types.h"
#include "plugin_ui.h"
#include "ardour/plug_insert_base.h"
#include "lv2_external_ui.h"
#ifdef HAVE_LV2_1_18_6
#include <lv2/ui/ui.h>
#else
#include <lv2/lv2plug.in/ns/extensions/ui/ui.h>
#endif
namespace ARDOUR {
class LV2Plugin;
}
class LV2PluginUI : public PlugUIBase, public Gtk::VBox
{
public:
LV2PluginUI (std::shared_ptr<ARDOUR::PlugInsertBase>,
std::shared_ptr<ARDOUR::LV2Plugin>);
~LV2PluginUI ();
gint get_preferred_height ();
gint get_preferred_width ();
bool resizable ();
bool start_updating(GdkEventAny*);
bool stop_updating(GdkEventAny*);
bool is_external () const;
bool is_external_visible () const;
int package (Gtk::Window&);
void grab_focus ();
private:
void control_changed (uint32_t);
typedef std::shared_ptr<ARDOUR::AutomationControl> ControllableRef;
std::shared_ptr<ARDOUR::PlugInsertBase> _pib;
std::shared_ptr<ARDOUR::LV2Plugin> _lv2;
std::vector<int> _output_ports;
sigc::connection _screen_update_connection;
sigc::connection _message_update_connection;
Gtk::Widget* _gui_widget;
/** a box containing the focus, bypa s, delete, save / add preset buttons etc. */
Gtk::HBox _ardour_buttons_box;
float* _values_last_sent_to_ui;
std::vector<ControllableRef> _controllables;
struct lv2_external_ui_host _external_ui_host;
LV2_Feature _external_ui_feature;
LV2_Feature _external_kxui_feature;
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#ifdef HAVE_LV2_1_17_2
LV2UI_Request_Value _lv2ui_request_value;
LV2_Feature _lv2ui_request_feature;
#endif
struct lv2_external_ui* _external_ui_ptr;
LV2_Feature _parent_feature;
void* _inst;
typedef std::set<uint32_t> Updates;
Updates _updates;
static void on_external_ui_closed(void* controller);
static void write_from_ui(void* controller,
uint32_t port_index,
uint32_t buffer_size,
uint32_t format,
const void* buffer);
static void write_to_ui(void* controller,
uint32_t port_index,
uint32_t buffer_size,
uint32_t format,
const void* buffer);
static uint32_t port_index(void* controller, const char* symbol);
static void touch(void* controller,
uint32_t port_index,
bool grabbed);
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#ifdef HAVE_LV2_1_17_2
static LV2UI_Request_Value_Status
request_value(void* handle,
LV2_URID key,
LV2_URID type,
const LV2_Feature* const* features);
#endif
void set_path_property (int,
const ARDOUR::ParameterDescriptor&,
Gtk::FileChooserDialog*);
std::set<uint32_t> active_parameter_requests;
void update_timeout();
void lv2ui_instantiate(const std::string& title);
void lv2ui_free();
void parameter_update(uint32_t, float);
bool configure_handler (GdkEventConfigure*);
void save_plugin_setting ();
void output_update();
void queue_port_update();
bool is_update_wanted(uint32_t index);
virtual bool on_window_show(const std::string& title);
virtual void on_window_hide();
};
#endif /* __ardour_lv2_plugin_ui_h__ */