gtk2_ardour/lv2_plugin_ui.h

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Dave Robillard
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __ardour_lv2_plugin_ui_h__
  22 #define __ardour_lv2_plugin_ui_h__
  23
  24 #include <vector>
  25 #include <map>
  26 #include <list>
  27
  28 #include <sigc++/signal.h>
  29 #include <gtkmm/widget.h>
  30
  31 #include <ardour_dialog.h>
  32 #include <ardour/types.h>
  33 #include "plugin_ui.h"
  34
  35 #ifdef HAVE_LV2
  36
  37 namespace ARDOUR {
  38         class PluginInsert;
  39         class LV2Plugin;
  40 }
  41
  42 class LV2PluginUI : public PlugUIBase, public Gtk::VBox
  43 {
  44   public:
  45         LV2PluginUI (boost::shared_ptr<ARDOUR::PluginInsert>, boost::shared_ptr<ARDOUR::LV2Plugin>);
  46         ~LV2PluginUI ();
  47
  48         gint get_preferred_height ();
  49         gint get_preferred_width ();
  50         bool start_updating(GdkEventAny*);
  51         bool stop_updating(GdkEventAny*);
  52
  53         int package (Gtk::Window&);
  54
  55   private:
  56         boost::shared_ptr<ARDOUR::LV2Plugin> _lv2;
  57         std::vector<int> _output_ports;
  58         sigc::connection _screen_update_connection;
  59
  60         Gtk::Widget*   _gui_widget;
  61         SLV2UIInstance _inst;
  62         float*         _values;
  63
  64         static void lv2_ui_write(
  65                         LV2UI_Controller controller,
  66                         uint32_t         port_index,
  67                         uint32_t         buffer_size,
  68                         uint32_t         format,
  69                         const void*      buffer);
  70
  71         void parameter_changed(uint32_t, float);
  72         void parameter_update(uint32_t, float);
  73         bool configure_handler (GdkEventConfigure*);
  74         void save_plugin_setting ();
  75         void output_update();
  76         bool is_update_wanted(uint32_t index);
  77 };
  78 #endif // HAVE_LV2
  79
  80 #endif /* __ardour_lv2_plugin_ui_h__ */
  81