Merging from trunk
[ardour.git] / gtk2_ardour / editor.h
index 3349ff48789024898a1a62cc2ec4068895b36cfb..e517b1eaf1c9231d6123c2f3aeccc7414b005f32 100644 (file)
 #include <string>
 #include <sys/time.h>
 
-#include <cmath>
+#include <libgnomecanvasmm/canvas.h>
+#include <libgnomecanvasmm/group.h>
+#include <libgnomecanvasmm/line.h>
 
-#include <sndfile.h>
+#include <cmath>
 
 #include <gtkmm/layout.h>
 #include <gtkmm/comboboxtext.h>
 
-#include <libgnomecanvasmm/canvas.h>
-#include <libgnomecanvasmm/polygon.h>
-#include <libgnomecanvasmm/text.h>
-#include <libgnomecanvasmm/rect.h>
-#include <libgnomecanvasmm/line.h>
-
 #include <gtkmm2ext/selector.h>
 #include <gtkmm2ext/click_box.h>
+#include <gtkmm2ext/dndtreeview.h>
 
 #include <ardour/stateful.h>
 #include <ardour/session.h>
 #include <ardour/location.h>
 #include <ardour/region.h>
 
-#include "keyboard_target.h"
 #include "audio_clock.h"
 #include "gtk-custom-ruler.h"
 #include "ardour_dialog.h"
 #include "public_editor.h"
 #include "editing.h"
 #include "enums.h"
+#include "editor_items.h"
 #include "region_selection.h"
-#include "simplerect.h"
+#include "canvas.h"
+#include "draginfo.h"
 
 namespace Gtkmm2ext {
        class TearOff;
@@ -68,9 +66,8 @@ namespace LinuxAudioSystems {
 }
 
 namespace ARDOUR {
-       class DiskStream;
+       class AudioDiskstream;
        class RouteGroup;
-       class Source;
        class Playlist;
        class Region;
        class Location;
@@ -104,6 +101,9 @@ class AutomationSelection;
 class MixerStrip;
 class StreamView;
 class ControlPoint;
+#ifdef FFT_ANALYSIS
+class AnalysisWindow;
+#endif
 
 /* <CMT Additions> */
 class ImageFrameView;
@@ -144,12 +144,11 @@ class Editor : public PublicEditor
        void step_mouse_mode (bool next);
        Editing::MouseMode current_mouse_mode () { return mouse_mode; }
 
-       void add_imageframe_time_axis(std::string track_name, void*) ;
-       void add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void*) ;
+       void add_imageframe_time_axis(const string & track_name, void*) ;
+       void add_imageframe_marker_time_axis(const string & track_name, TimeAxisView* marked_track, void*) ;
        void connect_to_image_compositor() ;
        void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
-       TimeAxisView* get_named_time_axis(std::string name) ;
-       /* </CMT Additions> */
+       TimeAxisView* get_named_time_axis(const string & name) ;
 
        void consider_auditioning (ARDOUR::Region&);
        void hide_a_region (ARDOUR::Region&);
@@ -167,6 +166,7 @@ class Editor : public PublicEditor
 
        void new_region_from_selection ();
        void separate_region_from_selection ();
+       void separate_regions_using_location (ARDOUR::Location&);
        void toggle_playback (bool with_abort);
 
        /* undo related */
@@ -217,8 +217,8 @@ class Editor : public PublicEditor
        Selection& get_cut_buffer() const { return *cut_buffer; }
 
        void play_selection ();
-       void select_all_in_track (bool add);
-       void select_all (bool add);
+       void select_all_in_track (Selection::Operation op);
+       void select_all (Selection::Operation op);
        void invert_selection_in_track ();
        void invert_selection ();
 
@@ -227,6 +227,12 @@ class Editor : public PublicEditor
        void set_show_measures (bool yn);
        bool show_measures () const { return _show_measures; }
 
+#ifdef FFT_ANALYSIS
+       /* analysis window */
+       void analyze_region_selection();
+       void analyze_range_selection();
+#endif
+
        /* export */
 
        /* these initiate export ... */
@@ -256,13 +262,17 @@ class Editor : public PublicEditor
        jack_nframes_t leftmost_frame;
        void clear_playlist (ARDOUR::Playlist&);
 
+       void new_playlists ();
+       void copy_playlists ();
+       void clear_playlists ();
+
        TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
 
        Width editor_mixer_strip_width;
        void show_editor_mixer (bool yn);
        void set_selected_mixer_strip (TimeAxisView&);
-       void unselect_strip_in_display (TimeAxisView& tv);
-       void select_strip_in_display (TimeAxisView* tv);
+       void hide_track_in_display (TimeAxisView& tv);
+       void show_track_in_display (TimeAxisView& tv);
 
        /* nudge is initiated by transport controls owned by ARDOUR_UI */
 
@@ -280,12 +290,26 @@ class Editor : public PublicEditor
        void toggle_follow_playhead ();
        bool follow_playhead() const { return _follow_playhead; }
 
+       void toggle_waveform_visibility ();
+       void toggle_waveforms_while_recording ();
+       void toggle_measure_visibility ();
+
+       void set_meter_falloff (int);
+       void set_meter_hold (int32_t);
+
        /* xfades */
 
-       void toggle_xfades_active();
+       void toggle_auto_xfade ();
+       void toggle_xfades_active ();
        void toggle_xfade_visibility ();
-       void set_xfade_visibility (bool yn);
        bool xfade_visibility() const { return _xfade_visibility; }
+       void update_crossfade_model ();
+       void set_crossfade_model (ARDOUR::CrossfadeModel);
+
+       /* layers */
+
+       void set_layer_model (ARDOUR::Session::LayerModel);
+       void update_layering_model ();
 
        /* redirect shared ops menu. caller must free returned menu */
 
@@ -296,7 +320,7 @@ class Editor : public PublicEditor
        void ensure_float (Gtk::Window&);
 
        void show_window ();
-       
+
        void scroll_tracks_down_line ();
        void scroll_tracks_up_line ();
 
@@ -305,12 +329,14 @@ class Editor : public PublicEditor
 
        void reposition_x_origin (jack_nframes_t sample);
 
+       void maximise_editing_space();
+       void restore_editing_space();
+
   protected:
        void map_transport_state ();
        void map_position_change (jack_nframes_t);
 
        void on_realize();
-       void on_map ();
 
   private:
        
@@ -320,66 +346,17 @@ class Editor : public PublicEditor
 
        PlaylistSelector* _playlist_selector;
 
-       enum ItemType {
-               RegionItem,
-               StreamItem,
-               PlayheadCursorItem,
-               EditCursorItem,
-               MarkerItem,
-               MarkerBarItem,
-               RangeMarkerBarItem,
-               TransportMarkerBarItem,
-               SelectionItem,
-               GainControlPointItem,
-               GainLineItem,
-               GainAutomationControlPointItem,
-               GainAutomationLineItem,
-               PanAutomationControlPointItem,
-               PanAutomationLineItem,
-               RedirectAutomationControlPointItem,
-               RedirectAutomationLineItem,
-               MeterMarkerItem,
-               TempoMarkerItem,
-               MeterBarItem,
-               TempoBarItem,
-               AudioRegionViewNameHighlight,
-               AudioRegionViewName,
-               StartSelectionTrimItem,
-               EndSelectionTrimItem,
-               AutomationTrackItem,
-               FadeInItem,
-               FadeInHandleItem,
-               FadeOutItem,
-               FadeOutHandleItem,
-
-               /* <CMT Additions> */
-               MarkerViewItem,
-               MarkerTimeAxisItem,
-               MarkerViewHandleStartItem,
-               MarkerViewHandleEndItem,
-               ImageFrameItem,
-               ImageFrameTimeAxisItem,
-               ImageFrameHandleStartItem,
-               ImageFrameHandleEndItem,
-               /* </CMT Additions> */
-
-               CrossfadeViewItem,
-               
-               /* don't remove this */
-
-               NoItem
-       };
-
        void          set_frames_per_unit (double);
        void          frames_per_unit_modified ();
 
        Editing::MouseMode mouse_mode;
        void      mouse_insert (GdkEventButton *);
 
+       int  pre_maximal_pane_position;
        void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 
-       Gtk::HPaned   canvas_region_list_pane;
-       Gtk::HPaned   track_list_canvas_pane;
+       Gtk::Notebook the_notebook;
+       Gtk::HPaned   edit_pane;
 
        Gtk::EventBox meter_base;
        Gtk::HBox     meter_box;
@@ -394,7 +371,7 @@ class Editor : public PublicEditor
        void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
        void add_new_location (ARDOUR::Location *);
        void location_gone (ARDOUR::Location *);
-       void remove_marker (Gnome::Canvas::Polygon&, GdkEvent*);
+       void remove_marker (ArdourCanvas::Item&, GdkEvent*);
        gint really_remove_marker (ARDOUR::Location* loc);
 
        uint32_t location_marker_color;
@@ -422,7 +399,7 @@ class Editor : public PublicEditor
        typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
        LocationMarkerMap location_markers;
 
-       void hide_marker (GnomeCanvasItem*, GdkEvent*);
+       void hide_marker (ArdourCanvas::Item*, GdkEvent*);
        void clear_marker_display ();
        void mouse_add_new_marker (jack_nframes_t where);
 
@@ -434,12 +411,29 @@ class Editor : public PublicEditor
        CrossfadeView*     clicked_crossfadeview;
        ControlPoint*      clicked_control_point;
 
+       void get_relevant_audio_tracks (AudioTimeAxisView& base, std::set<AudioTimeAxisView*>& relevant_tracks);
+       void mapover_audio_tracks (sigc::slot<void,AudioTimeAxisView&,uint32_t> sl);
+
+       /* functions to be passed to mapover_audio_tracks(), possibly with sigc::bind()-supplied arguments */
+
+       void mapped_set_selected_regionview_from_click (AudioTimeAxisView&, uint32_t, AudioRegionView*, vector<AudioRegionView*>*);
+       void mapped_use_new_playlist (AudioTimeAxisView&, uint32_t);
+       void mapped_use_copy_playlist (AudioTimeAxisView&, uint32_t);
+       void mapped_clear_playlist (AudioTimeAxisView&, uint32_t);
+
+       /* end */
+
+       void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
+       bool button_release_can_deselect;
+
        void catch_vanishing_audio_regionview (AudioRegionView *);
-       void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
-       void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
-       void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
-       void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
-       gint set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
+
+       bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set, bool with_undo = true, bool no_remove=false);
+       bool set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool with_undo = true, bool no_remove=false);
+       bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
+
+       void set_selected_regionview_from_region_list (ARDOUR::Region& region, Selection::Operation op = Selection::Set);
+       bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
        void collect_new_region_view (AudioRegionView *);
 
        Gtk::Menu track_context_menu;
@@ -476,20 +470,21 @@ class Editor : public PublicEditor
 
        Gdk::Cursor*          current_canvas_cursor;
 
-       Gnome::Canvas::CanvasAA track_canvas;
-       Gnome::Canvas::CanvasAA time_canvas;
+       ArdourCanvas::CanvasAA track_canvas;
+       ArdourCanvas::CanvasAA time_canvas;
 
-       Gnome::Canvas::Text* first_action_message;
-       Gnome::Canvas::Text* verbose_canvas_cursor;
+       ArdourCanvas::Text* first_action_message;
+       ArdourCanvas::Text* verbose_canvas_cursor;
        bool                 verbose_cursor_visible;
 
        void session_control_changed (ARDOUR::Session::ControlType);
        void queue_session_control_changed (ARDOUR::Session::ControlType);
 
        
-       gint track_canvas_motion (GdkEvent*);
-       void set_verbose_canvas_cursor (string, double x, double y);
-       void set_verbose_canvas_cursor_text (string);
+       bool track_canvas_motion (GdkEvent*);
+
+       void set_verbose_canvas_cursor (const string &, double x, double y);
+       void set_verbose_canvas_cursor_text (const string &);
        void show_verbose_canvas_cursor();
        void hide_verbose_canvas_cursor();
 
@@ -502,15 +497,15 @@ class Editor : public PublicEditor
        Gtk::EventBox      track_canvas_event_box;
        Gtk::EventBox      time_button_event_box;
 
-       Gnome::Canvas::Group      *minsec_group;
-       Gnome::Canvas::Group      *bbt_group;
-       Gnome::Canvas::Group      *smpte_group;
-       Gnome::Canvas::Group      *frame_group;
-       Gnome::Canvas::Group      *tempo_group;
-       Gnome::Canvas::Group      *meter_group;
-       Gnome::Canvas::Group      *marker_group;
-       Gnome::Canvas::Group      *range_marker_group;
-       Gnome::Canvas::Group      *transport_marker_group;
+       ArdourCanvas::Group      *minsec_group;
+       ArdourCanvas::Group      *bbt_group;
+       ArdourCanvas::Group      *smpte_group;
+       ArdourCanvas::Group      *frame_group;
+       ArdourCanvas::Group      *tempo_group;
+       ArdourCanvas::Group      *meter_group;
+       ArdourCanvas::Group      *marker_group;
+       ArdourCanvas::Group      *range_marker_group;
+       ArdourCanvas::Group      *transport_marker_group;
        
        enum {
                ruler_metric_smpte = 0,
@@ -547,15 +542,15 @@ class Editor : public PublicEditor
        void store_ruler_visibility ();
        void restore_ruler_visibility ();
        
-       static gint _metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
-       static gint _metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
-       static gint _metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
-       static gint _metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
+       static gint _metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
+       static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
+       static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
+       static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
        
-       gint metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
-       gint metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
-       gint metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
-       gint metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
+       gint metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
+       gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
+       gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
+       gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 
        GtkWidget          *_smpte_ruler;
        GtkWidget          *_bbt_ruler;
@@ -571,24 +566,18 @@ class Editor : public PublicEditor
        guint32 visible_timebars;
        Gtk::Menu          *editor_ruler_menu;
        
-       Gnome::Canvas::SimpleRect* tempo_bar;
-       Gnome::Canvas::SimpleRect* meter_bar;
-       Gnome::Canvas::SimpleRect* marker_bar;
-       Gnome::Canvas::SimpleRect* range_marker_bar;
-       Gnome::Canvas::SimpleRect* transport_marker_bar;
+       ArdourCanvas::SimpleRect* tempo_bar;
+       ArdourCanvas::SimpleRect* meter_bar;
+       ArdourCanvas::SimpleRect* marker_bar;
+       ArdourCanvas::SimpleRect* range_marker_bar;
+       ArdourCanvas::SimpleRect* transport_marker_bar;
 
        
-       Gnome::Canvas::Line* tempo_line;
-       Gnome::Canvas::Line* meter_line;
-       Gnome::Canvas::Line* marker_line;
-       Gnome::Canvas::Line* range_marker_line;
-       Gnome::Canvas::Line* transport_marker_line;
-
-       Gnome::Canvas::Points tempo_line_points;
-       Gnome::Canvas::Points meter_line_points;
-       Gnome::Canvas::Points marker_line_points;
-       Gnome::Canvas::Points range_marker_line_points;
-       Gnome::Canvas::Points transport_marker_line_points;
+       ArdourCanvas::SimpleLine* tempo_line;
+       ArdourCanvas::SimpleLine* meter_line;
+       ArdourCanvas::SimpleLine* marker_line;
+       ArdourCanvas::SimpleLine* range_marker_line;
+       ArdourCanvas::SimpleLine* transport_marker_line;
 
        Gtk::Label  minsec_label;
        Gtk::Label  bbt_label;
@@ -606,12 +595,12 @@ class Editor : public PublicEditor
 
        struct Cursor {
            Editor&               editor;
-           Gnome::Canvas::Points points;
-           Gnome::Canvas::Item*  canvas_item;
+           ArdourCanvas::Points  points;
+           ArdourCanvas::Line    canvas_item;
            jack_nframes_t        current_frame;
            double                length;
 
-           Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*));
+           Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
            ~Cursor ();
 
            void set_position (jack_nframes_t);
@@ -625,13 +614,15 @@ class Editor : public PublicEditor
 
        Cursor* playhead_cursor;
        Cursor* edit_cursor;
-       Gnome::Canvas::Group* cursor_group;
+       ArdourCanvas::Group* cursor_group;
 
        void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
        void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
        void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
        void    cursor_to_selection_start (Cursor *);
        void    cursor_to_selection_end   (Cursor *);
+       void    select_all_selectables_using_cursor (Cursor *, bool);
+       void    select_all_selectables_between_cursors (Cursor *, Cursor *);
 
        ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 
@@ -644,51 +635,30 @@ class Editor : public PublicEditor
        Gtk::HBox           bottom_hbox;
        
        Gtk::Table          edit_packer;
-       Gtk::Frame          edit_frame;
        Gtk::VScrollbar     edit_vscrollbar;
 
-       /* the horizontal scroller works in a rather different way
-          than a regular scrollbar, since its used for
-          zoom control/indication as well. But more importantly,
-          its different components (slider, left arrow, right arrow) 
-          have to be packed separately into the edit_packer.
-       */
+       Gtk::Adjustment     vertical_adjustment;
+       Gtk::Adjustment     horizontal_adjustment;
+
+       Gtk::Layout         controls_layout;
+       bool control_layout_scroll (GdkEventScroll* ev);
+       void controls_layout_size_request (Gtk::Requisition*);
 
        Gtk::HScrollbar     edit_hscrollbar;
-       Gtk::DrawingArea    edit_hscroll_slider;
-       Gtk::Arrow          edit_hscroll_left_arrow;
-       Gtk::Arrow          edit_hscroll_right_arrow;
-       Gtk::EventBox       edit_hscroll_left_arrow_event;
-       Gtk::EventBox       edit_hscroll_right_arrow_event;
-       gint                edit_hscroll_slider_width;
-       gint                edit_hscroll_slider_height;
-       static const gint   edit_hscroll_edge_width = 3;
        bool                edit_hscroll_dragging;
-       double              edit_hscroll_drag_last;
-       
-       void hscroll_slider_allocate (Gtk::Allocation &);
-       gint hscroll_slider_expose (GdkEventExpose*);
-       gint hscroll_slider_button_press (GdkEventButton*);
-       gint hscroll_slider_button_release (GdkEventButton*);
-       gint hscroll_slider_motion (GdkEventMotion*);
-
-       gint hscroll_trough_expose (GdkEventExpose*);
-       gint hscroll_trough_button_press (GdkEventButton*);
-       gint hscroll_trough_button_release (GdkEventButton*);
-
-       void update_hscroller ();
-
-       gint hscroll_left_arrow_button_press (GdkEventButton *);
-       gint hscroll_left_arrow_button_release (GdkEventButton *);
-       gint hscroll_right_arrow_button_press (GdkEventButton *);
-       gint hscroll_right_arrow_button_release (GdkEventButton *);
+
+       void reset_hscrollbar_stepping ();
        
-       guint32             canvas_width;
-       guint32             canvas_height;
+       bool hscrollbar_button_press (GdkEventButton*);
+       bool hscrollbar_button_release (GdkEventButton*);
+       void hscrollbar_allocate (Gtk::Allocation &alloc);
+
+       double canvas_width;
+       double canvas_height;
+       jack_nframes_t last_canvas_frame;
 
-       Gtk::ScrolledWindow  track_canvas_scroller;
-       Gtk::ScrolledWindow  time_canvas_scroller;
-       Gtk::ScrolledWindow  edit_controls_scroller;
+       bool track_canvas_map_handler (GdkEventAny*);
+       bool time_canvas_map_handler (GdkEventAny*);
 
        gint edit_controls_button_release (GdkEventButton*);
        Gtk::Menu *edit_controls_left_menu;
@@ -702,6 +672,10 @@ class Editor : public PublicEditor
        Gtk::VBox           edit_controls_vbox;
        Gtk::HBox           edit_controls_hbox;
 
+       void control_scroll (float);
+       bool deferred_control_scroll (jack_nframes_t);
+       sigc::connection control_scroll_connection;
+
        void tie_vertical_scrolling ();
        void canvas_horizontally_scrolled ();
        void reposition_and_zoom (jack_nframes_t sample, double fpu);
@@ -715,18 +689,21 @@ class Editor : public PublicEditor
            RegionListDisplayModelColumns() {
                    add (name);
                    add (region);
+                   add (color_);
            }
            Gtk::TreeModelColumn<Glib::ustring> name;
            Gtk::TreeModelColumn<ARDOUR::Region*> region;
+               Gtk::TreeModelColumn<Gdk::Color> color_;
        };
            
        RegionListDisplayModelColumns    region_list_columns;
-       Gtk::TreeView                    region_list_display;
+       Gtkmm2ext::DnDTreeView           region_list_display;
        Glib::RefPtr<Gtk::TreeStore>     region_list_model;
-       Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
-       Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
+       Glib::RefPtr<Gtk::ToggleAction>  toggle_full_region_list_action;
+       Glib::RefPtr<Gtk::ToggleAction>  toggle_show_auto_regions_action;
 
        void region_list_selection_changed ();
+       bool region_list_selection_filter (const Glib::RefPtr<Gtk::TreeModel>& model, const Gtk::TreeModel::Path& path, bool yn);
 
        Gtk::Menu          *region_list_menu;
        Gtk::ScrolledWindow region_list_scroller;
@@ -736,17 +713,10 @@ class Editor : public PublicEditor
        bool region_list_display_key_release (GdkEventKey *);
        bool region_list_display_button_press (GdkEventButton *);
        bool region_list_display_button_release (GdkEventButton *);
-       bool region_list_display_enter_notify (GdkEventCrossing *);
-       bool region_list_display_leave_notify (GdkEventCrossing *);
        void region_list_clear ();
        void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
        void build_region_list_menu ();
-
-       Gtk::CheckMenuItem* toggle_auto_regions_item;
-       Gtk::CheckMenuItem* toggle_full_region_list_item;
-
-       Gtk::MenuItem* import_audio_item;
-       Gtk::MenuItem* embed_audio_item;
+       void show_region_list_display_context_menu (int button, int time);
 
        bool show_automatic_regions_in_region_list;
        Editing::RegionListSortType region_list_sort_type;
@@ -759,6 +729,26 @@ class Editor : public PublicEditor
 
        int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
 
+       /* snapshots */
+
+       Gtk::ScrolledWindow      snapshot_display_scroller;
+       struct SnapshotDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
+           SnapshotDisplayModelColumns() { 
+                   add (visible_name);
+                   add (real_name);
+           }
+           Gtk::TreeModelColumn<Glib::ustring> visible_name;
+           Gtk::TreeModelColumn<Glib::ustring> real_name;
+       };
+
+       SnapshotDisplayModelColumns snapshot_display_columns;
+       Glib::RefPtr<Gtk::ListStore> snapshot_display_model;
+       Gtk::TreeView snapshot_display;
+
+       bool snapshot_display_button_press (GdkEventButton*);
+       void snapshot_display_selection_changed ();
+       void redisplay_snapshots();
+
        /* named selections */
 
        struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
@@ -773,13 +763,12 @@ class Editor : public PublicEditor
        NamedSelectionDisplayModelColumns named_selection_columns;
        Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
 
-       Gtk::VPaned         region_selection_vpane;
-       Gtk::TreeView          named_selection_display;
-       Gtk::ScrolledWindow named_selection_scroller;
+       Gtkmm2ext::DnDTreeView named_selection_display;
+       Gtk::ScrolledWindow    named_selection_scroller;
 
        void name_selection();
        void named_selection_name_chosen ();
-       void create_named_selection (string);
+       void create_named_selection (const string &);
        void paste_named_selection (float times);
 
        void handle_new_named_selection ();
@@ -802,7 +791,6 @@ class Editor : public PublicEditor
        static Gdk::Cursor* time_fx_cursor;
        static Gdk::Cursor* fader_cursor;
        static Gdk::Cursor* speaker_cursor;
-       static Gdk::Cursor* null_cursor;
        static Gdk::Cursor* wait_cursor;
        static Gdk::Cursor* timebar_cursor;
 
@@ -825,23 +813,20 @@ class Editor : public PublicEditor
        jack_nframes_t cut_buffer_start;
        jack_nframes_t cut_buffer_length;
 
-       gint typed_event (GnomeCanvasItem*, GdkEvent*, ItemType);
-       gint button_press_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
-       gint button_release_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
-       gint motion_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
-       gint enter_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
-       gint leave_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
+       bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
+       bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
+       bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
+       bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType, bool from_autoscroll = false);
+       bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
+       bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
        
        /* KEYMAP HANDLING */
 
        void register_actions ();
-       void install_keybindings ();
 
        int ensure_cursor (jack_nframes_t* pos);
 
-       void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
        void handle_new_audio_region (ARDOUR::AudioRegion *);
-       void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
        void handle_audio_region_removed (ARDOUR::AudioRegion *);
        void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
        void region_hidden (ARDOUR::Region*);
@@ -860,6 +845,7 @@ class Editor : public PublicEditor
 
        /* EDITING OPERATIONS */
        
+       void reset_point_selection ();
        void toggle_region_mute ();
        void toggle_region_opaque ();
        void raise_region ();
@@ -870,6 +856,7 @@ class Editor : public PublicEditor
        void split_region_at (jack_nframes_t);
        void split_regions_at (jack_nframes_t, AudioRegionSelection&);
        void crop_region_to_selection ();
+       void set_a_regions_sync_position (ARDOUR::Region&, jack_nframes_t);
        void set_region_sync_from_edit_cursor ();
        void remove_region_sync();
        void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
@@ -933,27 +920,24 @@ class Editor : public PublicEditor
        void temporal_zoom_selection ();
        void temporal_zoom_session ();
        void temporal_zoom (gdouble scale);
-       void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
+       void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, const string & op);
        void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
 
        void amplitude_zoom (gdouble scale);
        void amplitude_zoom_step (bool in);
 
-       void insert_region_list_drag (ARDOUR::AudioRegion&);
+       void insert_region_list_drag (ARDOUR::AudioRegion&, int x, int y);
        void insert_region_list_selection (float times);
 
-       void insert_sndfile (bool as_tracks);
-       void embed_audio ();    // inserts into region list
-       int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
+       void add_external_audio_action (Editing::ImportMode);
 
-       void do_embed_sndfiles (vector<string> paths, bool split);
-       void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
-
-       void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
-       void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
-       void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
-       static void* _insert_sndfile_thread (void*);
-       void*  insert_sndfile_thread (void*);
+       void bring_in_external_audio (Editing::ImportMode mode, ARDOUR::AudioTrack*, jack_nframes_t& pos, bool prompt);
+       void do_import (vector<Glib::ustring> paths, bool split, Editing::ImportMode mode, ARDOUR::AudioTrack*, jack_nframes_t&, bool);
+       void do_embed (vector<Glib::ustring> paths, bool split, Editing::ImportMode mode, ARDOUR::AudioTrack*, jack_nframes_t&, bool);
+       int  import_sndfile (Glib::ustring path, Editing::ImportMode mode, ARDOUR::AudioTrack* track, jack_nframes_t& pos);
+       int  embed_sndfile (Glib::ustring path, bool split, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode, 
+                           ARDOUR::AudioTrack* track, jack_nframes_t& pos, bool prompt);
+       int finish_bringing_in_audio (ARDOUR::AudioRegion& region, uint32_t, uint32_t, ARDOUR::AudioTrack* track, jack_nframes_t& pos, Editing::ImportMode mode);
 
        /* generic interthread progress window */
        
@@ -968,14 +952,16 @@ class Editor : public PublicEditor
        void build_interthread_progress_window ();
        ARDOUR::InterThreadInfo* current_interthread_info;
 
+#ifdef FFT_ANALYSIS
+       AnalysisWindow* analysis_window;
+#endif
+
        /* import specific info */
 
        ARDOUR::Session::import_status import_status;
        gint import_progress_timeout (void *);
        static void *_import_thread (void *);
        void* import_thread ();
-       void catch_new_audio_region (ARDOUR::AudioRegion*);
-       ARDOUR::AudioRegion* last_audio_region;
 
        /* to support this ... */
 
@@ -1009,11 +995,15 @@ class Editor : public PublicEditor
        void cursor_align (bool playhead_to_edit);
 
        void remove_last_capture ();
-
+       void select_all_selectables_using_time_selection ();
+       void select_all_selectables_using_loop();
+       void select_all_selectables_using_punch();
        void set_selection_from_range (ARDOUR::Location&);
        void set_selection_from_punch ();
        void set_selection_from_loop ();
+       void set_selection_from_audio_region ();
 
+       void add_location_from_audio_region ();
        void add_location_from_selection ();
        void set_route_loop_selection ();
 
@@ -1038,104 +1028,71 @@ class Editor : public PublicEditor
        Editing::SnapMode snap_mode;
        double snap_threshold;
 
-       void soundfile_chosen_for_insert (string selection, bool split_channels);
-       void soundfile_chosen_for_embed (string selection, bool split_channels);
-       void soundfile_chosen_for_import (string selection, bool split_channels);
+       void soundfile_chosen_for_insert (const string & selection, bool split_channels);
+       void soundfile_chosen_for_embed (const string & selection, bool split_channels);
+       void soundfile_chosen_for_import (const string & selection, bool split_channels);
 
-       void handle_gui_changes (string, void *);
+       void handle_gui_changes (const string &, void *);
 
        void    hide_all_tracks (bool with_select);
 
-       void route_display_selection_changed ();
-       void redisplay_route_list();
-       gint route_list_reordered ();
-       bool ignore_route_list_reorder;
-       void queue_route_list_reordered ();
-
-       struct DragInfo {
-           GnomeCanvasItem* item;
-           void* data;
-           jack_nframes_t last_frame_position;
-           int32_t pointer_frame_offset;
-           jack_nframes_t grab_frame;
-           jack_nframes_t last_pointer_frame;
-           jack_nframes_t current_pointer_frame;
-           double grab_x, grab_y;
-           double cumulative_x_drag;
-           double cumulative_y_drag;
-           double current_pointer_x;
-           double current_pointer_y;
-           void (Editor::*motion_callback)(GnomeCanvasItem*, GdkEvent*);
-           void (Editor::*finished_callback)(GnomeCanvasItem*, GdkEvent*);
-           TimeAxisView* last_trackview;
-           bool x_constrained;
-           bool copy;
-           bool was_rolling;
-           bool first_move;
-           bool move_threshold_passsed;
-           bool want_move_threshold;
-           bool brushing;
-           ARDOUR::Location* copied_location;
-       } drag_info;
-
-       struct LineDragInfo {
-           uint32_t before;
-           uint32_t after;
-       };
-
+       DragInfo drag_info;
        LineDragInfo current_line_drag_info;
 
        void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
-       bool end_grab (GnomeCanvasItem*, GdkEvent*);
+       bool end_grab (ArdourCanvas::Item*, GdkEvent*);
+       void swap_grab (ArdourCanvas::Item*, Gdk::Cursor* cursor, uint32_t time);
 
        Gtk::Menu fade_context_menu;
-       void popup_fade_context_menu (int, int, GnomeCanvasItem*, ItemType);
-
-       void start_fade_in_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_fade_out_grab (GnomeCanvasItem*, GdkEvent*);
-       void fade_in_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void fade_out_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void fade_in_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-       void fade_out_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
+       void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
+
+       void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
+       void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+       void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
        
        std::set<ARDOUR::Playlist*> motion_frozen_playlists;
-       void region_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void region_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-       void region_copy_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-
-       void cursor_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void cursor_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-       void marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-       void control_point_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void control_point_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-       void line_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void line_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-
-       void tempo_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void tempo_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-       void meter_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
-       void meter_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
-
-       gint mouse_rename_region (GnomeCanvasItem*, GdkEvent*);
-
-       void start_region_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_region_copy_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_region_brush_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_selection_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_cursor_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_marker_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_control_point_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_line_grab_from_regionview (GnomeCanvasItem*, GdkEvent*);
-       void start_line_grab_from_line (GnomeCanvasItem*, GdkEvent*);
+       void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+       void region_copy_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+
+       void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+       void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+       void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+       void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+
+       void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+       void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
+       void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
+
+       gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
+
+       void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
+       void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
        void start_line_grab (AutomationLine *, GdkEvent*);
-       void start_tempo_marker_grab (GnomeCanvasItem*, GdkEvent*);
-       void start_meter_marker_grab (GnomeCanvasItem*, GdkEvent*);
+       void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_tempo_marker_copy_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
+       void start_meter_marker_copy_grab (ArdourCanvas::Item*, GdkEvent*);
 
        void region_view_item_click (AudioRegionView&, GdkEventButton*);
 
-       void remove_gain_control_point (GnomeCanvasItem*, GdkEvent*);
-       void remove_control_point (GnomeCanvasItem*, GdkEvent*);
+       void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
+       void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
 
        void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
        void brush (jack_nframes_t);
@@ -1145,76 +1102,53 @@ class Editor : public PublicEditor
 
        /* Canvas event handlers */
 
-       gint canvas_crossfade_view_event (GdkEvent* event);
-       gint canvas_fade_in_event (GdkEvent* event);
-       gint canvas_fade_in_handle_event (GdkEvent* event);
-       gint canvas_fade_out_event (GdkEvent* event);
-       gint canvas_fade_out_handle_event (GdkEvent* event);
-       gint canvas_region_view_event (GdkEvent* event);
-       gint canvas_region_view_name_highlight_event (GdkEvent* event);
-       gint canvas_region_view_name_event (GdkEvent* event);
-       gint canvas_stream_view_event (GdkEvent* event);
-       gint canvas_marker_event (GdkEvent* event);
-       gint canvas_zoom_rect_event (GdkEvent* event);
-       gint canvas_selection_rect_event (GdkEvent* event);
-       gint canvas_selection_start_trim_event (GdkEvent* event);
-       gint canvas_selection_end_trim_event (GdkEvent* event);
-       gint canvas_control_point_event (GdkEvent* event);
-       gint canvas_line_event (GdkEvent* event);
-       gint canvas_tempo_marker_event (GdkEvent* event);
-       gint canvas_meter_marker_event (GdkEvent* event);
-       gint canvas_tempo_bar_event (GdkEvent* event);
-       gint canvas_meter_bar_event (GdkEvent* event);
-       gint canvas_marker_bar_event (GdkEvent* event);
-       gint canvas_range_marker_bar_event (GdkEvent* event);
-       gint canvas_transport_marker_bar_event (GdkEvent* event);
-       gint canvas_imageframe_item_view_event(GdkEvent* event) ;
-       gint canvas_imageframe_view_event(GdkEvent* event) ;
-       gint canvas_imageframe_start_handle_event(GdkEvent* event) ;
-       gint canvas_imageframe_end_handle_event(GdkEvent* event) ;
-       gint canvas_marker_time_axis_view_event(GdkEvent* event) ;
-       gint canvas_markerview_item_view_event(GdkEvent* event) ;
-       gint canvas_markerview_start_handle_event(GdkEvent* event) ;
-       gint canvas_markerview_end_handle_event(GdkEvent* event) ;
-       gint canvas_automation_track_event(GdkEvent* event) ;
-
-#if 0
-       gint canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, CrossfadeView*);
-       gint canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
-       gint canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
-       gint canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
-       gint canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
-       gint canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
-       gint canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioTimeAxisView*);
-       gint canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, AutomationTimeAxisView*);
-       gint canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_line_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event);
-       gint canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event);
-#endif 
-
-       gint canvas_copy_region_event (GdkEvent* event);
-       gint canvas_playhead_cursor_event (GdkEvent* event);
-       gint canvas_edit_cursor_event (GdkEvent* event);
-       gint track_canvas_event (GdkEvent* event);
-
-       gint track_canvas_button_press_event (GdkEventButton *);
-       gint track_canvas_button_release_event (GdkEventButton *);
+       bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
+       bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
+       bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
+       bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
+       bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
+       bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
+       bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
+       bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioTimeAxisView*);
+       bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
+       bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
+       bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
+       bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
+       bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
+
+       bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
+
+       bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
+       bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
+       bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
+       bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
+       bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
+       bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
+       bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
+       bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
+
+       /* non-public event handlers */
+
+       bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool canvas_edit_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool track_canvas_event (GdkEvent* event, ArdourCanvas::Item*);
+       bool track_canvas_scroll (GdkEventScroll* event);
+
+       bool track_canvas_button_press_event (GdkEventButton *);
+       bool track_canvas_button_release_event (GdkEventButton *);
        
-       void track_canvas_allocate (GtkAllocation* alloc);
-       void time_canvas_allocate (GtkAllocation* alloc);
+       void track_canvas_allocate (Gtk::Allocation alloc);
+       void time_canvas_allocate (Gtk::Allocation alloc);
 
        void set_edit_cursor (GdkEvent* event);
        void set_playhead_cursor (GdkEvent* event);
@@ -1222,31 +1156,26 @@ class Editor : public PublicEditor
        void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
        void kbd_set_playhead_cursor ();
        void kbd_set_edit_cursor ();
+       void kbd_mute_unmute_region ();
        void kbd_split ();
+       void kbd_set_sync_position ();
        void kbd_align (ARDOUR::RegionPoint);
        void kbd_align_relative (ARDOUR::RegionPoint);
        void kbd_brush ();
        void kbd_audition ();
 
        void kbd_do_split (GdkEvent*);
+       void kbd_do_set_sync_position (GdkEvent* ev);
        void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
        void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
        void kbd_do_brush (GdkEvent*);
        void kbd_do_audition (GdkEvent*);
 
-       void fake_handle_new_duration ();
        void handle_new_duration ();
        void initialize_canvas ();
-       void reset_scrolling_region (GtkAllocation* alloc = 0);
+       void reset_scrolling_region (Gtk::Allocation* alloc = 0);
        void scroll_canvas ();
 
-        /* sub-event loop handling */
-
-        int32_t sub_event_loop_status;
-        void run_sub_event_loop ();
-        void finish_sub_event_loop (int status);
-        gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
-       
        /* display control */
        
        bool _show_measures;
@@ -1258,12 +1187,12 @@ class Editor : public PublicEditor
 
        ARDOUR::TempoMap::BBTPointList *current_bbt_points;
        
-       typedef vector<GnomeCanvasItem*> TimeLineList;
+       typedef vector<ArdourCanvas::SimpleLine*> TimeLineList;
        TimeLineList free_measure_lines;
        TimeLineList used_measure_lines;
 
-       Gnome::Canvas::Group* time_line_group;
-       GnomeCanvasItem* get_time_line ();
+       ArdourCanvas::Group* time_line_group;
+       ArdourCanvas::SimpleLine* get_time_line ();
        void hide_measures ();
        void draw_measures ();
        void draw_time_bars ();
@@ -1273,21 +1202,23 @@ class Editor : public PublicEditor
        void mouse_add_new_tempo_event (jack_nframes_t where);
        void mouse_add_new_meter_event (jack_nframes_t where);
 
-       void remove_tempo_marker (GnomeCanvasItem*);
-       void remove_meter_marker (GnomeCanvasItem*);
+       void remove_tempo_marker (ArdourCanvas::Item*);
+       void remove_meter_marker (ArdourCanvas::Item*);
        gint real_remove_tempo_marker (ARDOUR::TempoSection*);
        gint real_remove_meter_marker (ARDOUR::MeterSection*);
        
        void edit_tempo_section (ARDOUR::TempoSection*);
        void edit_meter_section (ARDOUR::MeterSection*);
-       void edit_tempo_marker (GnomeCanvasItem*);
-       void edit_meter_marker (GnomeCanvasItem*);
+       void edit_tempo_marker (ArdourCanvas::Item*);
+       void edit_meter_marker (ArdourCanvas::Item*);
        
        void marker_menu_edit ();
        void marker_menu_remove ();
        void marker_menu_rename ();
        void marker_menu_hide ();
        void marker_menu_loop_range ();
+       void marker_menu_select_all_selectables_using_range ();
+       void marker_menu_separate_regions_using_location ();
        void marker_menu_play_from ();
        void marker_menu_set_playhead ();
        void marker_menu_set_from_playhead ();
@@ -1297,10 +1228,11 @@ class Editor : public PublicEditor
        void update_loop_range_view (bool visibility=false);
        void update_punch_range_view (bool visibility=false);
         gint new_transport_marker_menu_popdown (GdkEventAny*);
-       void marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
-       void tm_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
-       void transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
-       void new_transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
+       void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
+       void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
+       void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
+       void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
+       void build_range_marker_menu ();
        void build_marker_menu ();
        void build_tm_marker_menu ();
        void build_transport_marker_menu ();
@@ -1308,9 +1240,10 @@ class Editor : public PublicEditor
 
        Gtk::Menu* tm_marker_menu;
        Gtk::Menu* marker_menu;
+       Gtk::Menu* range_marker_menu;
        Gtk::Menu* transport_marker_menu;
        Gtk::Menu* new_transport_marker_menu;
-       GnomeCanvasItem* marker_menu_item;
+       ArdourCanvas::Item* marker_menu_item;
 
        typedef list<Marker*> Marks;
        Marks metric_marks;
@@ -1369,25 +1302,25 @@ class Editor : public PublicEditor
        Gtk::Label               edit_mode_label;
        Gtk::VBox                edit_mode_box;
 
-       gint edit_mode_selection_done (GdkEventAny*);
+       void edit_mode_selection_done ();
 
        Gtk::ComboBoxText snap_type_selector;
        Gtk::Label               snap_type_label;
        Gtk::VBox                snap_type_box;
 
-       gint snap_type_selection_done (GdkEventAny*);
+       void snap_type_selection_done ();
 
        Gtk::ComboBoxText               snap_mode_selector;
        Gtk::Label               snap_mode_label;
        Gtk::VBox                snap_mode_box;
 
-       gint snap_mode_selection_done (GdkEventAny*);
-
+       void snap_mode_selection_done ();
+       
        Gtk::ComboBoxText zoom_focus_selector;
        Gtk::Label               zoom_focus_label;
        Gtk::VBox                zoom_focus_box;
        
-       gint zoom_focus_selection_done (GdkEventAny*);
+       void zoom_focus_selection_done ();
 
        Gtk::Label          zoom_indicator_label;
        Gtk::HBox           zoom_indicator_box;
@@ -1424,9 +1357,9 @@ class Editor : public PublicEditor
                SelectionMove
        } selection_op;
 
-       void start_selection_op (GnomeCanvasItem* item, GdkEvent* event, SelectionOp);
-       void drag_selection (GnomeCanvasItem* item, GdkEvent* event);
-       void end_selection_op (GnomeCanvasItem* item, GdkEvent* event);
+       void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
+       void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
+       void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
        void cancel_selection ();
 
        void region_selection_op (void (ARDOUR::Region::*pmf)(void));
@@ -1435,38 +1368,33 @@ class Editor : public PublicEditor
 
        bool audio_region_selection_covers (jack_nframes_t where);
 
-       Gtk::VPaned  route_group_vpane;
-       Gtk::Frame   route_list_frame;
-       Gtk::Frame   edit_group_list_frame;
-
        /* transport range select process */
        enum RangeMarkerOp {
                CreateRangeMarker,
                CreateTransportMarker
        } range_marker_op;
 
-       void start_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event, RangeMarkerOp);
-       void drag_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
-       void end_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
+       void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
+       void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
+       void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
 
-       
-       Gnome::Canvas::Item*   range_bar_drag_rect;
-       Gnome::Canvas::Item*   transport_bar_drag_rect;
-       Gnome::Canvas::Item*   marker_drag_line;
-       Gnome::Canvas::Points  marker_drag_line_points;
-       Gnome::Canvas::Item*   range_marker_drag_rect;
+       ArdourCanvas::SimpleRect*  range_bar_drag_rect;
+       ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
+       ArdourCanvas::Line*        marker_drag_line;
+       ArdourCanvas::Points       marker_drag_line_points;
+       ArdourCanvas::SimpleRect*  range_marker_drag_rect;
 
        void update_marker_drag_item (ARDOUR::Location *);
        
-       GnomeCanvasItem      *transport_bar_range_rect;
-       GnomeCanvasItem      *transport_bar_preroll_rect;
-       GnomeCanvasItem      *transport_bar_postroll_rect;
-       Gnome::Canvas::Item      *transport_loop_range_rect;
-       Gnome::Canvas::Item      *transport_punch_range_rect;
-       Gnome::Canvas::Item      *transport_punchin_line;
-       Gnome::Canvas::Item      *transport_punchout_line;
-       GnomeCanvasItem      *transport_preroll_rect;
-       GnomeCanvasItem      *transport_postroll_rect;
+       ArdourCanvas::SimpleRect     *transport_bar_range_rect;
+       ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
+       ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
+       ArdourCanvas::SimpleRect     *transport_loop_range_rect;
+       ArdourCanvas::SimpleRect     *transport_punch_range_rect;
+       ArdourCanvas::SimpleLine     *transport_punchin_line;
+       ArdourCanvas::SimpleLine     *transport_punchout_line;
+       ArdourCanvas::SimpleRect     *transport_preroll_rect;
+       ArdourCanvas::SimpleRect     *transport_postroll_rect;
 
        ARDOUR::Location*  transport_loop_location();
        ARDOUR::Location*  transport_punch_location();
@@ -1475,21 +1403,21 @@ class Editor : public PublicEditor
        
        /* object rubberband select process */
        
-       void start_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
-       void drag_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
-       void end_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
+       void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
+       void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
+       void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
 
-       bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
+       bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, Selection::Operation op);
        
-       Gnome::Canvas::Item   *rubberband_rect;
+       ArdourCanvas::SimpleRect   *rubberband_rect;
        
        /* mouse zoom process */
 
-       void start_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
-       void drag_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
-       void end_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
+       void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
+       void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
+       void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
 
-       Gnome::Canvas::Item   *zoom_rect;
+       ArdourCanvas::SimpleRect   *zoom_rect;
        void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
        
        /* diskstream/route display management */
@@ -1497,39 +1425,59 @@ class Editor : public PublicEditor
        struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
            RouteDisplayModelColumns() { 
                    add (text);
+                   add (visible);
                    add (tv);
            }
            Gtk::TreeModelColumn<Glib::ustring>  text;
-           Gtk::TreeModelColumn<TimeAxisView*>    tv;
+           Gtk::TreeModelColumn<bool>           visible;
+           Gtk::TreeModelColumn<TimeAxisView*>  tv;
        };
 
-       RouteDisplayModelColumns    route_display_columns;
-       Glib::RefPtr<Gtk::ListStore> route_display_model;
+       RouteDisplayModelColumns         route_display_columns;
+       Glib::RefPtr<Gtk::ListStore>     route_display_model;
        Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
 
        gint route_list_compare_func (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
-       Gtk::TreeView          route_list; //GTK2FIX rename to route_display
-       Gtk::ScrolledWindow route_list_scroller;
-       Gtk::Menu          *route_list_menu;
+       Gtkmm2ext::DnDTreeView   route_list_display; 
+       Gtk::ScrolledWindow      route_list_scroller;
+       Gtk::Menu*               route_list_menu;
+
+       bool route_list_display_button_press (GdkEventButton*);
+       bool route_list_selection_filter (const Glib::RefPtr<Gtk::TreeModel>& model, const Gtk::TreeModel::Path& path, bool yn);
+
+       void route_list_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
+       void route_list_delete (const Gtk::TreeModel::Path&);
+       void initial_route_list_display ();
+       void redisplay_route_list();
+       void route_list_reordered (const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter, int* what);
+       bool ignore_route_list_reorder;
+       bool no_route_list_redisplay;
+       void queue_route_list_reordered ();
 
-       void route_list_column_click ();
        void build_route_list_menu ();
-       void select_all_routes ();
-       void unselect_all_routes ();
-       void select_all_audiotracks ();
-       void unselect_all_audiotracks ();
-       void select_all_audiobus ();
-       void unselect_all_audiobus ();
+       void show_route_list_menu ();
+
+       void show_all_routes ();
+       void hide_all_routes ();
+       void show_all_audiotracks ();
+       void hide_all_audiotracks ();
+       void show_all_audiobus ();
+       void hide_all_audiobus ();
+
+       void set_all_tracks_visibility (bool yn);
+       void set_all_audio_visibility (int type, bool yn);
 
        /* edit group management */
 
         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
                 GroupListModelColumns () {
                       add (is_active);
+                      add (is_visible);
                        add (text);
                       add (routegroup);
                 }
                Gtk::TreeModelColumn<bool> is_active;
+               Gtk::TreeModelColumn<bool> is_visible;
                Gtk::TreeModelColumn<std::string> text;
                Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
        };
@@ -1538,32 +1486,30 @@ class Editor : public PublicEditor
        Glib::RefPtr<Gtk::ListStore> group_model;
        Glib::RefPtr<Gtk::TreeSelection> group_selection;
 
-       Gtk::Button         edit_group_list_button;
-       Gtk::Label          edit_group_list_button_label;
-       Gtk::TreeView       edit_group_list;
-       Gtk::ScrolledWindow edit_group_list_scroller;
-       Gtk::Menu          *edit_group_list_menu;
-       Gtk::VBox           edit_group_vbox;
+       Gtk::TreeView          edit_group_display;
+       Gtk::ScrolledWindow    edit_group_display_scroller;
+       Gtk::Menu*             edit_group_list_menu;
 
-       void edit_group_list_column_click (gint);
        void build_edit_group_list_menu ();
-       void select_all_edit_groups ();
-       void unselect_all_edit_groups ();
+       void activate_all_edit_groups ();
+       void disable_all_edit_groups ();
+
+       bool in_edit_group_row_change;
+       void edit_group_row_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
+       void edit_group_name_edit (const Glib::ustring&, const Glib::ustring&);
        void new_edit_group ();
        void edit_group_list_button_clicked ();
        gint edit_group_list_button_press_event (GdkEventButton* ev);
        void edit_group_selection_changed ();
        void fake_add_edit_group (ARDOUR::RouteGroup* group);
+       void fake_remove_edit_group (ARDOUR::RouteGroup* group);
        void add_edit_group (ARDOUR::RouteGroup* group);
+       void remove_selected_edit_group ();
+       void edit_groups_changed ();
        void group_flags_changed (void*, ARDOUR::RouteGroup*);
 
        Gtk::VBox           list_vpacker;
 
-       static GdkPixmap* check_pixmap;
-       static GdkBitmap* check_mask;
-       static GdkPixmap* empty_pixmap;
-       static GdkBitmap* empty_mask;
-
        /* autoscrolling */
 
        int autoscroll_timeout_tag;
@@ -1584,14 +1530,14 @@ class Editor : public PublicEditor
                ContentsTrim,
        } trim_op;
 
-       void start_trim (GnomeCanvasItem*, GdkEvent*);
+       void start_trim (ArdourCanvas::Item*, GdkEvent*);
        void point_trim (GdkEvent*);
-       void trim_motion_callback (GnomeCanvasItem*, GdkEvent*);
+       void trim_motion_callback (ArdourCanvas::Item*, GdkEvent*);
        void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
        void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
        void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
 
-       void trim_finished_callback (GnomeCanvasItem*, GdkEvent*);
+       void trim_finished_callback (ArdourCanvas::Item*, GdkEvent*);
        void thaw_region_after_trim (AudioRegionView& rv);
        
        void trim_region_to_edit_cursor ();
@@ -1601,37 +1547,54 @@ class Editor : public PublicEditor
 
        /* Drag-n-Drop */
 
-       int convert_drop_to_paths (std::vector<std::string>& paths,
-                                  GdkDragContext     *context,
+       int convert_drop_to_paths (std::vector<Glib::ustring>& paths,
+                                  const Glib::RefPtr<Gdk::DragContext>& context,
                                   gint                x,
                                   gint                y,
-                                  GtkSelectionData   *data,
+                                  const Gtk::SelectionData& data,
                                   guint               info,
                                   guint               time);
 
-       void  track_canvas_drag_data_received  (GdkDragContext     *context,
+       void  track_canvas_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
                                                gint                x,
                                                gint                y,
-                                               GtkSelectionData   *data,
+                                               const Gtk::SelectionData& data,
                                                guint               info,
                                                guint               time);
-
-       void  region_list_display_drag_data_received  (GdkDragContext     *context,
+       
+       void  region_list_display_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
                                                       gint                x,
                                                       gint                y,
-                                                      GtkSelectionData   *data,
+                                                      const Gtk::SelectionData& data,
                                                       guint               info,
                                                       guint               time);
-       
+
+
+       void  drop_paths  (const Glib::RefPtr<Gdk::DragContext>& context,
+                          gint                x,
+                          gint                y,
+                          const Gtk::SelectionData& data,
+                          guint               info,
+                          guint               time);
+
+       void  drop_regions  (const Glib::RefPtr<Gdk::DragContext>& context,
+                            gint                x,
+                            gint                y,
+                            const Gtk::SelectionData& data,
+                            guint               info,
+                            guint               time);
+
        /* audio export */
 
        ExportDialog *export_dialog;
+       ExportDialog *export_range_markers_dialog;
+       
        void export_range (jack_nframes_t start, jack_nframes_t end);
+       void export_range_markers ();
 
-       int write_region_selection(AudioRegionSelection&);
+       int  write_region_selection(AudioRegionSelection&);
        bool write_region (string path, ARDOUR::AudioRegion&);
        void export_region ();
-       void write_a_region ();
        void bounce_region_selection ();
        void bounce_range_selection ();
        void external_edit_region ();
@@ -1651,13 +1614,13 @@ class Editor : public PublicEditor
        /* visual history */
 
        UndoHistory visual_history;
-       UndoCommand current_visual_command;
+       UndoTransaction current_visual_command;
 
-       void begin_reversible_visual_command (string cmd_name);
+       void begin_reversible_visual_command (const string & cmd_name);
        void commit_reversible_visual_command ();
 
        void update_title ();   
-       void update_title_s (string snapshot_name);
+       void update_title_s (const string & snapshot_name);
 
        struct State {
            Selection* selection;
@@ -1696,13 +1659,13 @@ class Editor : public PublicEditor
        /* edit menu */
 
        Gtk::Menu* edit_menu;
-       void edit_menu_map_handler ();
+       bool edit_menu_map_handler (GdkEventAny*);
 
        jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
 
-       void time_fx_motion (GnomeCanvasItem*, GdkEvent*);
-       void start_time_fx (GnomeCanvasItem*, GdkEvent*);
-       void end_time_fx (GnomeCanvasItem*, GdkEvent*);
+       void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
+       void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
+       void end_time_fx (ArdourCanvas::Item*, GdkEvent*);
 
        struct TimeStretchDialog : public ArdourDialog {
            ARDOUR::Session::TimeStretchRequest request;
@@ -1711,9 +1674,8 @@ class Editor : public PublicEditor
            Gtk::ProgressBar      progress_bar;
            Gtk::ToggleButton     quick_button;
            Gtk::ToggleButton     antialias_button;
-           Gtk::Button           cancel_button;
-           Gtk::Button           action_button;
-           Gtk::HBox             lower_button_box;
+           Gtk::Button*          cancel_button;
+           Gtk::Button*          action_button;
            Gtk::HBox             upper_button_box;
            Gtk::VBox             packer;
            int                   status;
@@ -1757,42 +1719,42 @@ class Editor : public PublicEditor
        bool _xfade_visibility;
        
        /* <CMT Additions> */
-       void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
-       void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
-
-       void start_imageframe_grab(GnomeCanvasItem*, GdkEvent*) ;
-       void start_markerview_grab(GnomeCanvasItem*, GdkEvent*) ;
-
-       void imageframe_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
-       void markerview_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
-       void timeaxis_item_drag_finished_callback(GnomeCanvasItem*, GdkEvent*) ;
-
-       gint canvas_imageframe_item_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
-       gint canvas_imageframe_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
-       gint canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
-       gint canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
-
-       gint canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerTimeAxis* mta);
-       gint canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
-       gint canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
-       gint canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
-
-       void imageframe_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
-       void imageframe_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
-       void imageframe_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
-       void imageframe_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
-       void imageframe_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
-       void imageframe_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
+       void handle_new_imageframe_time_axis_view(const string & track_name, void* src) ;
+       void handle_new_imageframe_marker_time_axis_view(const string & track_name, TimeAxisView* marked_track) ;
+
+       void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
+       void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
+
+       void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
+       void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
+       void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
+
+       gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
+       gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
+       gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
+       gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
+
+       gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
+       gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
+       gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
+       gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
+
+       void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
        
-       void markerview_item_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
-       void markerview_item_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
-       void markerview_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
-       void markerview_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
-       void markerview_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
-       void markerview_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
+       void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
+       void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
 
-       void popup_imageframe_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
-       void popup_marker_time_axis_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
+       void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
+       void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
 
        ImageFrameSocketHandler* image_socket_listener ;
        /* </CMT Additions> */
@@ -1848,12 +1810,9 @@ class Editor : public PublicEditor
        void toggle_gain_envelope_visibility ();
        void toggle_gain_envelope_active ();
        
-       typedef std::map<Editing::ColorID,std::string> ColorStyleMap;
-       void init_colormap ();
-
-       /* GTK2 stuff */
+       bool on_key_press_event (GdkEventKey*);
 
-       Glib::RefPtr<Gtk::UIManager> ui_manager;
+       void session_state_saved (string);
 };
 
 #endif /* __ardour_editor_h__ */