mixer_ui.h

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/*
 * Copyright (C) 2005-2007 Taybin Rutkin <taybin@taybin.com>
 * Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2006 Nick Mainsbridge <mainsbridge@gmail.com>
 * Copyright (C) 2007-2009 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2014-2018 Ben Loftis <ben@harrisonconsoles.com>
 *
 * 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.
 */
 
#pragma once
 
#include <list>
 
#include <ytkmm/box.h>
#include <ytkmm/scrolledwindow.h>
#include <ytkmm/eventbox.h>
#include <ytkmm/label.h>
#include <ytkmm/comboboxtext.h>
#include <ytkmm/button.h>
#include <ytkmm/frame.h>
#include <ytkmm/menu.h>
#include <ytkmm/treeview.h>
#include <ytkmm/treestore.h>
#include <ytkmm/liststore.h>
 
#include "pbd/stateful.h"
#include "pbd/signals.h"
 
#include "ardour/ardour.h"
#include "ardour/types.h"
#include "ardour/session_handle.h"
#include "ardour/plugin.h"
#include "ardour/plugin_manager.h"
 
#include <gtkmm2ext/bindings.h>
#include "gtkmm2ext/dndtreeview.h"
#include "gtkmm2ext/treeutils.h"
 
#include "widgets/ardour_dropdown.h"
#include "widgets/frame.h"
#include "widgets/metabutton.h"
#include "widgets/pane.h"
#include "widgets/tabbable.h"
 
#include "application_bar.h"
#include "axis_provider.h"
#include "enums.h"
#include "monitor_section.h"
#include "route_processor_selection.h"
 
namespace ARDOUR {
        class Route;
        class RouteGroup;
        class VCA;
};
 
class AxisView;
class FoldbackStrip;
class MixerStrip;
class PluginSelector;
class MixerGroupTabs;
class MonitorSection;
class SurroundStrip;
class VCAMasterStrip;
 
class PluginTreeStore : public Gtk::TreeStore
{
public:
        static Glib::RefPtr<PluginTreeStore> create(const Gtk::TreeModelColumnRecord& columns) {
                return Glib::RefPtr<PluginTreeStore> (new PluginTreeStore (columns));
        }
 
protected:
        PluginTreeStore (const Gtk::TreeModelColumnRecord& columns) : Gtk::TreeStore (columns) {}
        virtual bool row_draggable_vfunc (const Gtk::TreeModel::Path&) const { return true; }
        virtual bool row_drop_possible_vfunc (const Gtk::TreeModel::Path&, const Gtk::SelectionData&) const;
};
 
class Mixer_UI : public ArdourWidgets::Tabbable, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr, public AxisViewProvider
{
public:
        static Mixer_UI* instance();
        ~Mixer_UI();
 
        Gtk::Window* use_own_window (bool and_fill_it);
        void show_window ();
 
        void set_session (ARDOUR::Session *);
 
        PluginSelector* plugin_selector();
 
        void  set_strip_width (Width, bool save = false);
        Width get_strip_width () const { return _strip_width; }
 
        XMLNode& get_state () const;
        int set_state (const XMLNode&, int /* version */);
 
        void save_plugin_order_file ();
 
        void show_strip (MixerStrip *);
        void hide_strip (MixerStrip *);
 
        void maximise_mixer_space();
        void restore_mixer_space();
 
        MonitorSection& monitor_section() { return _monitor_section; }
 
        void deselect_all_strip_processors();
        void delete_processors();
        void select_none ();
 
        void select_next_strip ();
        void select_prev_strip ();
 
        void store_mixer_scene (size_t);
        void recall_mixer_scene (size_t, bool interactive = true, bool for_selection = false);
        void clear_mixer_scene (size_t, bool interactive = true);
        void rename_mixer_scene (size_t n);
 
        void do_vca_assign (std::shared_ptr<ARDOUR::VCA>);
        void do_vca_unassign (std::shared_ptr<ARDOUR::VCA>);
        void show_spill (std::shared_ptr<ARDOUR::Stripable>);
        bool showing_spill_for (std::shared_ptr<ARDOUR::Stripable>) const;
        void fan_out (std::weak_ptr<ARDOUR::Route>, bool to_busses, bool group);
 
        sigc::signal1<void,std::shared_ptr<ARDOUR::Stripable> > show_spill_change;
 
        RouteProcessorSelection& selection() { return _selection; }
 
        void show_editor_window () const;
 
        void register_actions ();
 
        void focus_on_clock();
 
        void load_bindings ();
        Gtkmm2ext::Bindings*  bindings;
 
        void toggle_mixer_list ();
        void toggle_mixer_strip ();
        void toggle_mixer_props ();
 
        void toggle_surround_master ();
 
        void toggle_monitor_section ();
        void showhide_monitor_section (bool);
 
        void toggle_foldback_strip ();
        void showhide_foldback_strip (bool);
 
        void toggle_vcas ();
        void showhide_vcas (bool on);
 
#ifdef MIXBUS
        void toggle_mixbuses ();
        void showhide_mixbusses (bool on);
#endif
 
        bool screenshot (std::string const&);
 
        void toggle_monitor_action (ARDOUR::MonitorChoice monitor_choice, bool group_override = false, bool all = false);
 
protected:
        void set_axis_targets_for_operation ();
        PBD::ControllableSet selected_gaincontrols ();
 
private:
        Mixer_UI ();
        static Mixer_UI*     _instance;
 
        Gtk::HBox             global_hpacker;
        Gtk::VBox             global_vpacker;
        Gtk::ScrolledWindow   scroller;
        Gtk::EventBox         scroller_base;
        Gtk::HBox             scroller_hpacker;
        Gtk::VBox             mixer_scroller_vpacker;
        Gtk::VBox             list_vpacker;
        Gtk::Label            group_display_button_label;
        Gtk::ScrolledWindow   track_display_scroller;
        Gtk::ScrolledWindow   group_display_scroller;
        Gtk::ScrolledWindow   favorite_plugins_scroller;
        Gtk::VBox             group_display_vbox;
        Gtk::VBox             favorite_plugins_vbox;
        Gtk::HBox             favorite_plugins_search_hbox;
        Gtk::Entry            plugin_search_entry;
        ArdourWidgets::ArdourButton plugin_search_clear_button;
        ArdourWidgets::HPane  inner_pane;
        Gtk::VBox             strip_group_box;
        Gtk::HBox             strip_packer;
        Gtk::ScrolledWindow   vca_scroller;
        Gtk::HBox             vca_hpacker;
        Gtk::VBox             vca_vpacker;
        Gtk::EventBox         vca_label_bar;
        Gtk::Label            vca_label;
        Gtk::EventBox         vca_scroller_base;
        Gtk::HBox             out_packer;
 
        Gtk::Notebook             _sidebar_notebook;
        ArdourWidgets::MetaButton _sidebar_pager1;
        ArdourWidgets::MetaButton _sidebar_pager2;
 
        Gtk::EventBox         _mixer_scene_spacer;
        ArdourWidgets::Frame  _mixer_scene_frame;
        Gtk::Table            _mixer_scene_table;
        Gtk::VBox             _mixer_scene_vbox;
 
        std::vector<ArdourWidgets::ArdourButton*> _mixer_scene_buttons;
        std::vector<Gtk::Label*>                  _mixer_scene_labels;
        ARDOUR::MixerScene*                       _mixer_scene_release;
 
        void popup_scene_menu (GdkEventButton* ev, int);
        bool scene_button_press (GdkEventButton*, int);
        bool scene_button_release (GdkEventButton*, int);
        bool scene_label_press (GdkEventButton* ev, int);
 
        MixerGroupTabs* _group_tabs;
 
        bool on_scroll_event (GdkEventScroll*);
        bool on_vca_scroll_event (GdkEventScroll*);
 
        std::list<MixerStrip *> strips;
 
        void scroller_drag_data_received (const Glib::RefPtr<Gdk::DragContext>&, int, int, const Gtk::SelectionData&, guint, guint);
        bool strip_scroller_button_event (GdkEventButton*);
        void scroll_left ();
        void scroll_right ();
        void vca_scroll_left ();
        void vca_scroll_right ();
        void toggle_midi_input_active (bool flip_others);
 
        void move_vca_into_view (std::shared_ptr<ARDOUR::Stripable>);
        void move_stripable_into_view (std::shared_ptr<ARDOUR::Stripable>);
 
        void add_stripables (ARDOUR::StripableList&);
 
        void update_scene_buttons ();
 
        void add_sidebar_page (std::string const&, std::string const&, Gtk::Widget&);
 
        void add_routes (ARDOUR::RouteList&);
        void remove_strip (MixerStrip *);
        void remove_foldback (FoldbackStrip *);
        void remove_surround_master (SurroundStrip*);
        void add_masters (ARDOUR::VCAList&);
        void remove_master (VCAMasterStrip*);
        void new_masters_created ();
 
        MixerStrip* strip_by_route (std::shared_ptr<ARDOUR::Route>) const;
        MixerStrip* strip_by_stripable (std::shared_ptr<ARDOUR::Stripable>) const;
 
        AxisView* axis_view_by_stripable (std::shared_ptr<ARDOUR::Stripable>) const;
        AxisView* axis_view_by_control (std::shared_ptr<ARDOUR::AutomationControl>) const;
 
        gint start_updating ();
        gint stop_updating ();
 
        void session_going_away ();
 
        sigc::connection fast_screen_update_connection;
        void fast_update_strips ();
 
        void track_name_changed (MixerStrip *);
 
        void redisplay_track_list ();
        void spill_redisplay (std::shared_ptr<ARDOUR::Stripable>);
        bool no_track_list_redisplay;
        bool track_display_button_press (GdkEventButton*);
        void strip_width_changed ();
 
        void track_list_delete (const Gtk::TreeModel::Path&);
        void track_list_reorder (const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter, int* new_order);
 
        void plugin_row_activated (const Gtk::TreeModel::Path& path, Gtk::TreeViewColumn* column);
        bool plugin_row_button_press (GdkEventButton*);
        void popup_note_context_menu (GdkEventButton*);
        void plugin_drop (const Glib::RefPtr<Gdk::DragContext>&, const Gtk::SelectionData& data);
        bool plugin_drag_motion (Glib::RefPtr<Gdk::DragContext> const&, int, int, guint);
 
        enum ProcessorPosition {
                AddTop,
                AddPreFader,
                AddPostFader,
                AddBottom
        };
 
        void add_selected_processor (ProcessorPosition);
        void add_favorite_processor (ARDOUR::PluginPresetPtr, ProcessorPosition);
        void remove_selected_from_favorites ();
        void delete_selected_preset ();
        ARDOUR::PluginPresetPtr selected_plugin ();
 
        void initial_track_display ();
 
        void set_all_strips_visibility (bool yn);
        void set_all_audio_midi_visibility (int, bool);
        void track_visibility_changed (std::string const & path);
        void update_track_visibility ();
 
        void hide_all_routes ();
        void show_all_routes ();
        void show_all_audiobus ();
        void hide_all_audiobus ();
        void show_all_audiotracks();
        void hide_all_audiotracks ();
        void show_all_miditracks();
        void hide_all_miditracks ();
 
        bool in_group_row_change;
 
        void group_selected (gint row, gint col, GdkEvent *ev);
        void group_unselected (gint row, gint col, GdkEvent *ev);
        void group_display_active_clicked();
        void new_route_group ();
        void remove_selected_route_group ();
        void activate_all_route_groups ();
        void disable_all_route_groups ();
        void add_route_group (ARDOUR::RouteGroup *);
        void route_groups_changed ();
        void route_group_name_edit (const std::string&, const std::string&);
        void route_group_row_change (const Gtk::TreeModel::Path& path,const Gtk::TreeModel::iterator& iter);
        void route_group_row_deleted (Gtk::TreeModel::Path const &);
 
        Gtk::Menu *track_menu;
        void track_column_click (gint);
        void build_track_menu ();
 
        ApplicationBar _application_bar;
 
        MonitorSection   _monitor_section;
        PluginSelector* _plugin_selector;
        SurroundStrip*  _surround_strip;
        FoldbackStrip*  foldback_strip;
        bool _show_foldback_strip;
 
        void stripable_property_changed (const PBD::PropertyChange& what_changed, std::weak_ptr<ARDOUR::Stripable> ws);
        void route_group_property_changed (ARDOUR::RouteGroup *, const PBD::PropertyChange &);
 
        /* various treeviews */
 
        struct StripableDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
                StripableDisplayModelColumns () {
                        add (text);
                        add (visible);
                        add (stripable);
                        add (strip);
                }
                Gtk::TreeModelColumn<bool>         visible;
                Gtk::TreeModelColumn<std::string>  text;
                Gtk::TreeModelColumn<std::shared_ptr<ARDOUR::Stripable> > stripable;
                Gtk::TreeModelColumn<AxisView*>    strip;
        };
 
        struct GroupDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
                GroupDisplayModelColumns() {
                        add (visible);
                        add (text);
                        add (group);
                }
                Gtk::TreeModelColumn<bool>            visible;
                Gtk::TreeModelColumn<std::string>         text;
                Gtk::TreeModelColumn<ARDOUR::RouteGroup*> group;
        };
 
        struct PluginsDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
                PluginsDisplayModelColumns() {
                        add (name);
                        add (plugin);
                }
                Gtk::TreeModelColumn<std::string> name;
                Gtk::TreeModelColumn<ARDOUR::PluginPresetPtr> plugin;
        };
 
        ARDOUR::PluginInfoList plugin_list;
 
        std::list<std::string>      favorite_ui_order;
        std::map<std::string, bool> favorite_ui_state;
 
        StripableDisplayModelColumns stripable_columns;
        GroupDisplayModelColumns     group_columns;
        PluginsDisplayModelColumns   favorite_plugins_columns;
 
        Gtk::TreeView track_display;
        Gtk::TreeView group_display;
        Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr> favorite_plugins_display;
 
        Glib::RefPtr<Gtk::ListStore> track_model;
        Glib::RefPtr<Gtk::ListStore> group_model;
        Glib::RefPtr<PluginTreeStore> favorite_plugins_model;
 
        bool group_display_button_press (GdkEventButton*);
        void group_display_selection_changed ();
 
        bool strip_button_release_event (GdkEventButton*, MixerStrip*);
        bool vca_button_release_event (GdkEventButton*, VCAMasterStrip*);
 
        Width _strip_width;
        double _spill_scroll_position;
 
        void presentation_info_changed (PBD::PropertyChange const &);
        void sync_treeview_from_presentation_info (PBD::PropertyChange const &);
        void sync_presentation_info_from_treeview ();
 
        bool ignore_track_reorder;
        bool ignore_plugin_refill;
        bool ignore_plugin_reorder;
 
        void parameter_changed (std::string const &);
        void set_route_group_activation (ARDOUR::RouteGroup *, bool);
 
        void setup_track_display ();
        void new_track_or_bus ();
 
        static const int32_t default_width = 478;
        static const int32_t default_height = 765;
 
        bool _in_group_rebuild_or_clear;
        bool _route_deletion_in_progress;
 
        void update_title ();
        MixerStrip* strip_by_x (int x);
 
        friend class MixerGroupTabs;
 
        void monitor_section_going_away ();
        void monitor_section_attached ();
        void monitor_section_detached ();
 
        void sync_surround_action ();
 
        enum PluginListMode {
                PLM_Favorite,
                PLM_Recent,
                PLM_TopHits,
                PLM_SearchAll
        };
        enum PluginListMode plugin_list_mode;
        void set_plugin_list_mode (PluginListMode plm);
        void update_sidebar_pagers (guint);
 
        void refiller (ARDOUR::PluginInfoList& result, const ARDOUR::PluginInfoList& plugs);
        void refill_favorite_plugins ();
        void maybe_refill_favorite_plugins (PluginListMode);
        void store_current_favorite_order();
 
        void plugin_search_entry_changed ();
        void plugin_search_clear_button_clicked ();
        void favorite_plugins_deleted (const Gtk::TreeModel::Path&);
        void sync_treeview_from_favorite_order ();
        void sync_treeview_favorite_ui_state (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator&);
        void save_favorite_ui_state (const Gtk::TreeModel::iterator& iter, const Gtk::TreeModel::Path& path);
 
        bool _maximised;
 
        bool _strip_selection_change_without_scroll;
 
        mutable std::weak_ptr<ARDOUR::Stripable> spilled_strip;
 
        void escape ();
 
        RouteProcessorSelection _selection;
        AxisViewSelection _axis_targets;
 
        void spill_nothing ();
        PBD::ScopedConnection _spill_gone_connection;
 
        void vca_assign (std::shared_ptr<ARDOUR::VCA>);
        void vca_unassign (std::shared_ptr<ARDOUR::VCA>);
 
        template<class T> void control_action (std::shared_ptr<T> (ARDOUR::Stripable::*get_control)() const);
        void solo_action ();
        void mute_action ();
        void rec_enable_action ();
        void step_gain_up_action ();
        void step_gain_down_action ();
        void unity_gain_action ();
 
        void copy_processors ();
        void cut_processors ();
        void paste_processors ();
        void select_all_processors ();
        void toggle_processors ();
        void ab_plugins ();
};