fix lack of canvas.h
[ardour.git] / gtk2_ardour / editor.h
index b90abf4ac3a49b6718bb2c0d33dbe083e0b3c3a5..d691ae6152da90ae031de579e88205d50336181a 100644 (file)
 #include <string>
 #include <sys/time.h>
 
+#include <libgnomecanvasmm/canvas.h>
+#include <libgnomecanvasmm/group.h>
+#include <libgnomecanvasmm/line.h>
+
 #include <cmath>
 
 #include <sndfile.h>
 #include <gtkmm/layout.h>
 #include <gtkmm/comboboxtext.h>
 
-#include <libgnomecanvas/libgnomecanvas.h>
-#include <libgnomecanvas/gnome-canvas-util.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>
 
@@ -60,7 +55,7 @@
 #include "editing.h"
 #include "enums.h"
 #include "region_selection.h"
-#include "simplerect.h"
+#include "canvas.h"
 
 namespace Gtkmm2ext {
        class TearOff;
@@ -264,7 +259,7 @@ class Editor : public PublicEditor
        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 unselect_strip_in_display (TimeAxisView& tv);
        void select_strip_in_display (TimeAxisView* tv);
 
        /* nudge is initiated by transport controls owned by ARDOUR_UI */
@@ -379,7 +374,7 @@ class Editor : public PublicEditor
        Editing::MouseMode mouse_mode;
        void      mouse_insert (GdkEventButton *);
 
-       void pane_allocation_handler (GtkAllocation*, Gtk::Paned*);
+       void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 
        Gtk::HPaned   canvas_region_list_pane;
        Gtk::HPaned   track_list_canvas_pane;
@@ -397,7 +392,7 @@ 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;
@@ -425,7 +420,7 @@ 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);
 
@@ -477,20 +472,21 @@ class Editor : public PublicEditor
        Gtk::VBox           global_vpacker;
        Gtk::VBox           vpacker;
 
-       GdkCursor          *current_canvas_cursor;
+       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*);
+       bool track_canvas_motion (GdkEvent*);
+
        void set_verbose_canvas_cursor (string, double x, double y);
        void set_verbose_canvas_cursor_text (string);
        void show_verbose_canvas_cursor();
@@ -505,15 +501,15 @@ 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,
@@ -574,24 +570,24 @@ 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::Line* tempo_line;
+       ArdourCanvas::Line* meter_line;
+       ArdourCanvas::Line* marker_line;
+       ArdourCanvas::Line* range_marker_line;
+       ArdourCanvas::Line* transport_marker_line;
+
+       ArdourCanvas::Points tempo_line_points;
+       ArdourCanvas::Points meter_line_points;
+       ArdourCanvas::Points marker_line_points;
+       ArdourCanvas::Points range_marker_line_points;
+       ArdourCanvas::Points transport_marker_line_points;
 
        Gtk::Label  minsec_label;
        Gtk::Label  bbt_label;
@@ -608,19 +604,18 @@ class Editor : public PublicEditor
        Gtk::HBox          time_button_hbox;
 
        struct Cursor {
-           Editor&             editor;
-           Gnome::Canvas::Points* points;
-           Gnome::Canvas::Item*   canvas_item;
-           jack_nframes_t      current_frame;
-           GtkSignalFunc       callback;
-               double                          length;
-
-           Cursor (Editor&, const string& color, GtkSignalFunc callback);
+           Editor&               editor;
+           ArdourCanvas::Points* points;
+           ArdourCanvas::Item*  canvas_item;
+           jack_nframes_t        current_frame;
+           double                length;
+
+           Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*));
            ~Cursor ();
 
            void set_position (jack_nframes_t);
            void set_length (double units);
-               void set_y_axis (double position);
+           void set_y_axis (double position);
        };
 
        friend struct Cursor; /* it needs access to several private
@@ -629,7 +624,7 @@ 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);
@@ -670,7 +665,7 @@ class Editor : public PublicEditor
        bool                edit_hscroll_dragging;
        double              edit_hscroll_drag_last;
        
-       void hscroll_slider_allocate (GtkAllocation *);
+       void hscroll_slider_allocate (Gtk::Allocation &);
        gint hscroll_slider_expose (GdkEventExpose*);
        gint hscroll_slider_button_press (GdkEventButton*);
        gint hscroll_slider_button_release (GdkEventButton*);
@@ -798,17 +793,17 @@ class Editor : public PublicEditor
        TrackViewList  track_views;
        TimeAxisView     *trackview_by_y_position (double ypos);
 
-       static GdkCursor* cross_hair_cursor;
-       static GdkCursor* trimmer_cursor;
-       static GdkCursor* selector_cursor;
-       static GdkCursor* grabber_cursor;
-       static GdkCursor* zoom_cursor;
-       static GdkCursor* time_fx_cursor;
-       static GdkCursor* fader_cursor;
-       static GdkCursor* speaker_cursor;
-       static GdkCursor* null_cursor;
-       static GdkCursor* wait_cursor;
-       static GdkCursor* timebar_cursor;
+       static Gdk::Cursor* cross_hair_cursor;
+       static Gdk::Cursor* trimmer_cursor;
+       static Gdk::Cursor* selector_cursor;
+       static Gdk::Cursor* grabber_cursor;
+       static Gdk::Cursor* zoom_cursor;
+       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;
 
        static void build_cursors ();
 
@@ -829,12 +824,12 @@ 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 enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
+       bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
        
        /* KEYMAP HANDLING */
 
@@ -1057,7 +1052,7 @@ class Editor : public PublicEditor
        void queue_route_list_reordered ();
 
        struct DragInfo {
-           GnomeCanvasItem* item;
+         ArdourCanvas::Item* item;
            void* data;
            jack_nframes_t last_frame_position;
            int32_t pointer_frame_offset;
@@ -1069,8 +1064,8 @@ class Editor : public PublicEditor
            double cumulative_y_drag;
            double current_pointer_x;
            double current_pointer_y;
-           void (Editor::*motion_callback)(GnomeCanvasItem*, GdkEvent*);
-           void (Editor::*finished_callback)(GnomeCanvasItem*, GdkEvent*);
+         void (Editor::*motion_callback)(ArdourCanvas::Item*, GdkEvent*);
+         void (Editor::*finished_callback)(ArdourCanvas::Item*, GdkEvent*);
            TimeAxisView* last_trackview;
            bool x_constrained;
            bool copy;
@@ -1089,57 +1084,57 @@ class Editor : public PublicEditor
 
        LineDragInfo current_line_drag_info;
 
-       void start_grab (GdkEvent*, GdkCursor* cursor = 0);
-       bool end_grab (GnomeCanvasItem*, GdkEvent*);
+       void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
+       bool end_grab (ArdourCanvas::Item*, GdkEvent*);
 
        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_meter_marker_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);
@@ -1149,29 +1144,38 @@ 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);
+       // FIXED FOR GTK2
+
+
+       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*);
+
+       // PENDING
+
+
        gint canvas_imageframe_item_view_event(GdkEvent* event) ;
        gint canvas_imageframe_view_event(GdkEvent* event) ;
        gint canvas_imageframe_start_handle_event(GdkEvent* event) ;
@@ -1180,42 +1184,15 @@ class Editor : public PublicEditor
        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 *);
+
+       /* 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_button_press_event (GdkEventButton *);
+       bool track_canvas_button_release_event (GdkEventButton *);
        
        void track_canvas_allocate (GtkAllocation* alloc);
        void time_canvas_allocate (GtkAllocation* alloc);
@@ -1262,12 +1239,12 @@ class Editor : public PublicEditor
 
        ARDOUR::TempoMap::BBTPointList *current_bbt_points;
        
-       typedef vector<GnomeCanvasItem*> TimeLineList;
+       typedef vector<ArdourCanvas::Line*> TimeLineList;
        TimeLineList free_measure_lines;
        TimeLineList used_measure_lines;
 
-       GnomeCanvasItem* time_line_group;
-       GnomeCanvasItem* get_time_line ();
+       ArdourCanvas::Group* time_line_group;
+       ArdourCanvas::Line* get_time_line ();
        void hide_measures ();
        void draw_measures ();
        void draw_time_bars ();
@@ -1277,15 +1254,15 @@ 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 ();
@@ -1301,10 +1278,10 @@ 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_marker_menu ();
        void build_tm_marker_menu ();
        void build_transport_marker_menu ();
@@ -1314,7 +1291,7 @@ class Editor : public PublicEditor
        Gtk::Menu* 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;
@@ -1428,9 +1405,9 @@ 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));
@@ -1449,28 +1426,27 @@ class Editor : public PublicEditor
                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);
 
-       
-       GnomeCanvasItem      *range_bar_drag_rect;
-       GnomeCanvasItem      *transport_bar_drag_rect;
-       GnomeCanvasItem      *marker_drag_line;
-       GnomeCanvasPoints    *marker_drag_line_points;
-       GnomeCanvasItem      *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;
-       GnomeCanvasItem      *transport_loop_range_rect;
-       GnomeCanvasItem      *transport_punch_range_rect;
-       GnomeCanvasItem      *transport_punchin_line;
-       GnomeCanvasItem      *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::Line           *transport_punchin_line;
+       ArdourCanvas::Line           *transport_punchout_line;
+       ArdourCanvas::SimpleRect     *transport_preroll_rect;
+       ArdourCanvas::SimpleRect     *transport_postroll_rect;
 
        ARDOUR::Location*  transport_loop_location();
        ARDOUR::Location*  transport_punch_location();
@@ -1479,21 +1455,21 @@ 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);
        
-       GnomeCanvasItem   *rubberband_rect;
+       ArdourCanvas::Item   *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);
 
-       GnomeCanvasItem   *zoom_rect;
+       ArdourCanvas::Item   *zoom_rect;
        void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
        
        /* diskstream/route display management */
@@ -1588,14 +1564,14 @@ 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 ();
@@ -1704,9 +1680,9 @@ class Editor : public PublicEditor
 
        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;
@@ -1749,8 +1725,8 @@ class Editor : public PublicEditor
        void current_mixer_strip_hidden ();
        void current_mixer_strip_removed ();
 
-       void detach_tearoff (Gtk::Box* b, Gtk::Widget* w);
-       void reattach_tearoff (Gtk::Box* b, Gtk::Widget* w, int32_t n);
+       void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
+       void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
 
        /* nudging tracks */
 
@@ -1764,39 +1740,39 @@ class Editor : public PublicEditor
        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 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 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 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, 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> */