changes to help strp silence
[ardour.git] / gtk2_ardour / editor_imageframe.cc
index 99b3d4aa08d5de76aa962ceea58ebc9763f3da2d..bac689b48ff779e30f18f5ddd3319106c0896557 100644 (file)
@@ -1,3 +1,23 @@
+/*
+    Copyright (C) 2000-2003 Paul Davis
+    Written by Colin Law, CMT, Glasgow
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
 #include "imageframe_view.h"
 #include "imageframe_time_axis.h"
 #include "imageframe_time_axis_view.h"
@@ -7,8 +27,10 @@
 #include "marker_view.h"
 #include "editor.h"
 #include "i18n.h"
+#include "canvas_impl.h"
+
 #include <gtkmm2ext/gtk_ui.h>
-#include <pbd/error.h>
+#include "pbd/error.h"
 
 #include <sys/types.h>
 #include <sys/socket.h>
 #include "imageframe_socket_handler.h"
 #include "ardour_image_compositor_socket.h"
 #include "public_editor.h"
+#include "gui_thread.h"
+
+using namespace Gtk;
+using namespace PBD;
+using namespace std;
+
+TimeAxisView*
+Editor::get_named_time_axis(const string & name)
+{
+       TimeAxisView* tav = 0 ;
+
+       for (TrackViewList::const_iterator i = track_views.begin(); i != track_views.end(); ++i)
+       {
+               if (((TimeAxisView*)*i)->name() == name)
+               {
+                       tav = ((TimeAxisView*)*i) ;
+                       break ;
+               }
+       }
+       return(tav) ;
+}
 
 /* <CMT Additions file="editor.cc"> */
 
 void
-Editor::add_imageframe_time_axis(std::string track_name, void* src)
+Editor::add_imageframe_time_axis(const string & track_name, void* src)
 {
        // check for duplicate name
        if(get_named_time_axis(track_name))
@@ -32,7 +75,7 @@ Editor::add_imageframe_time_axis(std::string track_name, void* src)
        }
        else
        {
-               Gtkmm2ext::UI::instance()->call_slot(bind(slot(*this, &Editor::handle_new_imageframe_time_axis_view),track_name, src)) ;
+               Gtkmm2ext::UI::instance()->call_slot (boost::bind (&Editor::handle_new_imageframe_time_axis_view, this,track_name, src));
        }
 }
 
@@ -43,24 +86,24 @@ Editor::connect_to_image_compositor()
        {
                image_socket_listener = ImageFrameSocketHandler::create_instance(*this) ;
        }
-       
+
        if(image_socket_listener->is_connected() == true)
        {
                return ;
        }
 
        // XXX should really put this somewhere safe
-       std::string host_ip = "127.0.0.1" ;
-       
-       bool retcode = image_socket_listener->connect(host_ip,ardourvis::DEFAULT_PORT) ;
-       
+       const char * host_ip = "127.0.0.1" ;
+
+       bool retcode = image_socket_listener->connect(host_ip, ardourvis::DEFAULT_PORT) ;
+
        if(retcode == false)
        {
                // XXX need to get some return status here
                warning << "Image Compositor Connection attempt failed" << std::endl ;
                return ;
        }
-       
+
        // add the socket to the gui loop, and keep the retuned tag value of the input
        gint tag = gdk_input_add(image_socket_listener->get_socket_descriptor(), GDK_INPUT_READ,ImageFrameSocketHandler::image_socket_callback,image_socket_listener) ;
        image_socket_listener->set_gdk_input_tag(tag) ;
@@ -69,39 +112,39 @@ Editor::connect_to_image_compositor()
 void
 Editor::scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item)
 {
-       jack_nframes_t offset = static_cast<jack_nframes_t>(frames_per_unit * (edit_hscroll_slider_width/2)) ;
-       
-       jack_nframes_t x_pos = 0 ;
-       if(item->get_position() < offset)
-       {
+       // GTK2FIX
+       //nframes64_t offset = static_cast<nframes64_t>(frames_per_unit * (edit_hscroll_slider_width/2)) ;
+       nframes64_t offset = 0;
+
+       nframes64_t x_pos = 0 ;
+
+       if (item->get_position() < offset) {
                x_pos = 0 ;
+       } else {
+               x_pos = item->get_position() - offset + (item->get_duration() / 2);
        }
-       else
-       {
-               x_pos = item->get_position() - offset + (item->get_duration() / 2) ;
-       }
-       
-       reposition_x_origin(x_pos) ;
+
+       reset_x_origin (x_pos);
 }
 
 void
-Editor::add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void* src)
+Editor::add_imageframe_marker_time_axis(const string & track_name, TimeAxisView* marked_track, void* src)
 {
-       // Can we only bind 2 data Items?
-       // @todo we really want to bind the src attribute too, for the moment tracks can only be added remotely,
+       // Can we only sigc::bind 2 data Items?
+       // @todo we really want to sigc::bind the src attribute too, for the moment tracks can only be added remotely,
        //       so this is not too much of an issue, however will need to be looked at again
-       Gtkmm2ext::UI::instance()->call_slot(SigC::bind(slot(*this, &Editor::handle_new_imageframe_marker_time_axis_view),track_name, marked_track)) ;
+       Gtkmm2ext::UI::instance()->call_slot (boost::bind (&Editor::handle_new_imageframe_marker_time_axis_view, this, track_name, marked_track));
 }
 
 void
-Editor::popup_imageframe_edit_menu(int button, int32_t time, GtkCanvasItem* ifv, bool with_item)
+Editor::popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_item)
 {
-       ImageFrameTimeAxis* ifta = dynamic_cast<ImageFrameTimeAxis*>(clicked_trackview) ;
-       
+       ImageFrameTimeAxis* ifta = dynamic_cast<ImageFrameTimeAxis*>(clicked_axisview) ;
+
        if(ifta)
        {
                ImageFrameTimeAxisGroup* iftag = ifta->get_view()->get_selected_imageframe_group() ;
-       
+
                if(iftag)
                {
                        ImageFrameView* selected_ifv = ifta->get_view()->get_selected_imageframe_view() ;
@@ -111,10 +154,10 @@ Editor::popup_imageframe_edit_menu(int button, int32_t time, GtkCanvasItem* ifv,
 }
 
 void
-Editor::popup_marker_time_axis_edit_menu(int button, int32_t time, GtkCanvasItem* ifv, bool with_item)
+Editor::popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_item)
 {
-       MarkerTimeAxis* mta = dynamic_cast<MarkerTimeAxis*>(clicked_trackview) ;
-       
+       MarkerTimeAxis* mta = dynamic_cast<MarkerTimeAxis*>(clicked_axisview) ;
+
        if(mta)
        {
                MarkerView* selected_mv = mta->get_view()->get_selected_time_axis_item() ;
@@ -124,123 +167,23 @@ Editor::popup_marker_time_axis_edit_menu(int button, int32_t time, GtkCanvasItem
                }
        }
 }
-
-TimeAxisView*
-Editor::get_named_time_axis(std::string name)
-{
-       TimeAxisView* tav = 0 ;
-       
-       for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i)
-       {
-               if (((TimeAxisView*)*i)->name() == name)
-               {
-                       tav = ((TimeAxisView*)*i) ;
-                       break ;
-               }
-       }
-       return(tav) ;
-}
-
 /* </CMT Additions file="editor.cc"> */
 
-
-
-
-
-
 /* <CMT Additions file="editor_canvas_events.cc"> */
-/**
- * ---------------------------------------------------------------------------------------------------
- * Static event handlers
- * These handlers deal with events from the GtkCanvas, a c-based component
- */
-
-
-gint
-Editor::_canvas_imageframe_start_handle_event(GtkCanvasItem *item, GdkEvent *event, gpointer data)
-{
-       ImageFrameView* ifv = (ImageFrameView*) data ;
-       Editor* editor = dynamic_cast<Editor*> (&ifv->get_time_axis_view().editor);
-       return editor->canvas_imageframe_start_handle_event(item,event,ifv);
-}
-
-gint
-Editor::_canvas_imageframe_end_handle_event(GtkCanvasItem *item, GdkEvent *event, gpointer data)
-{
-       ImageFrameView* ifv = (ImageFrameView*) data ;
-       Editor* editor = dynamic_cast<Editor*> (&ifv->get_time_axis_view().editor);
-       return editor->canvas_imageframe_end_handle_event(item,event,ifv);
-}
-
-
-gint
-Editor::_canvas_imageframe_item_view_event(GtkCanvasItem *item, GdkEvent* event, gpointer data)
-{
-       ImageFrameView *ifv = (ImageFrameView *) data ;
-       Editor* editor = dynamic_cast<Editor*> (&ifv->get_time_axis_view().editor);
-       return editor->canvas_imageframe_item_view_event (item, event, ifv) ;
-}
-
-gint
-Editor::_canvas_imageframe_view_event(GtkCanvasItem *item, GdkEvent* event, gpointer data)
-{
-       ImageFrameTimeAxis *ifta = (ImageFrameTimeAxis*) data ;
-       Editor* editor = dynamic_cast<Editor*> (&ifta->editor);
-       return editor->canvas_imageframe_view_event (item, event, ifta);
-}
-
-gint
-Editor::_canvas_marker_time_axis_view_event(GtkCanvasItem* item, GdkEvent* event, gpointer data)
-{
-       MarkerTimeAxis* mta = (MarkerTimeAxis*)data ;
-       Editor* editor = dynamic_cast<Editor*> (&mta->editor);
-       return editor->canvas_marker_time_axis_view_event(item,event,mta);
-}
-
-gint
-Editor::_canvas_markerview_item_view_event(GtkCanvasItem *item, GdkEvent* event, gpointer data)
-{
-       MarkerView* mv = (MarkerView*) data ;
-       Editor* editor = dynamic_cast<Editor*> (&mv->get_time_axis_view().editor);
-       return editor->canvas_markerview_item_view_event(item,event,mv);
-}
-gint
-Editor::_canvas_markerview_start_handle_event(GtkCanvasItem* item, GdkEvent* event, gpointer data)
-{
-       MarkerView* mv = (MarkerView*)data ;
-       Editor* editor = dynamic_cast<Editor*> (&mv->get_time_axis_view().editor);
-       return editor->canvas_markerview_start_handle_event(item,event,mv);
-}
-
-gint
-Editor::_canvas_markerview_end_handle_event(GtkCanvasItem* item, GdkEvent* event, gpointer data)
-{
-       MarkerView* mv = (MarkerView*)data ;
-       Editor* editor = dynamic_cast<Editor*> (&mv->get_time_axis_view().editor);
-       return editor->canvas_markerview_end_handle_event(item,event,mv);
-}
-
-/**
- * ---------------------------------------------------------------------------------------------------
- * End of Static event handlers
- */
-
-gint
-Editor::canvas_imageframe_item_view_event(GtkCanvasItem *item, GdkEvent *event, ImageFrameView *ifv)
+bool
+Editor::canvas_imageframe_item_view_event (GdkEvent *event, ArdourCanvas::Item* item, ImageFrameView *ifv)
 {
        gint ret = FALSE ;
        ImageFrameTimeAxisGroup* iftag = 0 ;
-       
+
        switch (event->type)
        {
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = &ifv->get_time_axis_view();
+                       clicked_axisview = &ifv->get_time_axis_view();
                        iftag = ifv->get_time_axis_group() ;
-                       dynamic_cast<ImageFrameTimeAxis*>(clicked_trackview)->get_view()->set_selected_imageframe_view(iftag, ifv);
+                       dynamic_cast<ImageFrameTimeAxis*>(clicked_axisview)->get_view()->set_selected_imageframe_view(iftag, ifv);
                        ret = button_press_handler (item, event, ImageFrameItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -255,21 +198,21 @@ Editor::canvas_imageframe_item_view_event(GtkCanvasItem *item, GdkEvent *event,
        return(ret) ;
 }
 
-gint
-Editor::canvas_imageframe_start_handle_event(GtkCanvasItem *item, GdkEvent *event, ImageFrameView *ifv)
+bool
+Editor::canvas_imageframe_start_handle_event (GdkEvent *event, ArdourCanvas::Item* item, ImageFrameView *ifv)
 {
        gint ret = FALSE ;
        ImageFrameTimeAxisGroup* iftag = 0 ;
-       
+
        switch (event->type)
        {
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = &ifv->get_time_axis_view() ;
+                       clicked_axisview = &ifv->get_time_axis_view() ;
                        iftag = ifv->get_time_axis_group() ;
-                       dynamic_cast<ImageFrameTimeAxis*>(clicked_trackview)->get_view()->set_selected_imageframe_view(iftag, ifv);
-                       
+                       dynamic_cast<ImageFrameTimeAxis*>(clicked_axisview)->get_view()->set_selected_imageframe_view(iftag, ifv);
+
                        ret = button_press_handler (item, event, ImageFrameHandleStartItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -290,21 +233,21 @@ Editor::canvas_imageframe_start_handle_event(GtkCanvasItem *item, GdkEvent *even
        return(ret) ;
 }
 
-gint
-Editor::canvas_imageframe_end_handle_event(GtkCanvasItem *item, GdkEvent *event, ImageFrameView *ifv)
+bool
+Editor::canvas_imageframe_end_handle_event (GdkEvent *event, ArdourCanvas::Item* item, ImageFrameView *ifv)
 {
        gint ret = FALSE ;
        ImageFrameTimeAxisGroup* iftag = 0 ;
-       
+
        switch (event->type)
        {
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = &ifv->get_time_axis_view() ;
+                       clicked_axisview = &ifv->get_time_axis_view() ;
                        iftag = ifv->get_time_axis_group() ;
-                       dynamic_cast<ImageFrameTimeAxis*>(clicked_trackview)->get_view()->set_selected_imageframe_view(iftag, ifv);
-                       
+                       dynamic_cast<ImageFrameTimeAxis*>(clicked_axisview)->get_view()->set_selected_imageframe_view(iftag, ifv);
+
                        ret = button_press_handler (item, event, ImageFrameHandleEndItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -325,8 +268,8 @@ Editor::canvas_imageframe_end_handle_event(GtkCanvasItem *item, GdkEvent *event,
        return(ret) ;
 }
 
-gint
-Editor::canvas_imageframe_view_event(GtkCanvasItem* item, GdkEvent* event, ImageFrameTimeAxis* ifta)
+bool
+Editor::canvas_imageframe_view_event (GdkEvent* event, ArdourCanvas::Item* item, ImageFrameTimeAxis* ifta)
 {
        gint ret = FALSE ;
        switch (event->type)
@@ -334,7 +277,7 @@ Editor::canvas_imageframe_view_event(GtkCanvasItem* item, GdkEvent* event, Image
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = ifta ;
+                       clicked_axisview = ifta ;
                        ret = button_press_handler (item, event, ImageFrameTimeAxisItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -348,8 +291,8 @@ Editor::canvas_imageframe_view_event(GtkCanvasItem* item, GdkEvent* event, Image
        return(ret) ;
 }
 
-gint
-Editor::canvas_marker_time_axis_view_event(GtkCanvasItem *item, GdkEvent* event, MarkerTimeAxis* mta)
+bool
+Editor::canvas_marker_time_axis_view_event (GdkEvent* event, ArdourCanvas::Item* item, MarkerTimeAxis* mta)
 {
        gint ret = FALSE ;
        switch (event->type)
@@ -357,7 +300,7 @@ Editor::canvas_marker_time_axis_view_event(GtkCanvasItem *item, GdkEvent* event,
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = mta ;
+                       clicked_axisview = mta ;
                        ret = button_press_handler(item, event, MarkerTimeAxisItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -371,8 +314,8 @@ Editor::canvas_marker_time_axis_view_event(GtkCanvasItem *item, GdkEvent* event,
 }
 
 
-gint
-Editor::canvas_markerview_item_view_event(GtkCanvasItem *item, GdkEvent* event, MarkerView* mta)
+bool
+Editor::canvas_markerview_item_view_event (GdkEvent* event, ArdourCanvas::Item* item, MarkerView* mta)
 {
        gint ret = FALSE ;
        switch (event->type)
@@ -380,8 +323,8 @@ Editor::canvas_markerview_item_view_event(GtkCanvasItem *item, GdkEvent* event,
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = &mta->get_time_axis_view() ;
-                       dynamic_cast<MarkerTimeAxis*>(clicked_trackview)->get_view()->set_selected_time_axis_item(mta);
+                       clicked_axisview = &mta->get_time_axis_view() ;
+                       dynamic_cast<MarkerTimeAxis*>(clicked_axisview)->get_view()->set_selected_time_axis_item(mta);
                        ret = button_press_handler(item, event, MarkerViewItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -396,8 +339,8 @@ Editor::canvas_markerview_item_view_event(GtkCanvasItem *item, GdkEvent* event,
        return(ret) ;
 }
 
-gint
-Editor::canvas_markerview_start_handle_event(GtkCanvasItem* item, GdkEvent* event, MarkerView* mta)
+bool
+Editor::canvas_markerview_start_handle_event (GdkEvent* event, ArdourCanvas::Item* item, MarkerView* mta)
 {
        gint ret = FALSE ;
        switch (event->type)
@@ -405,8 +348,8 @@ Editor::canvas_markerview_start_handle_event(GtkCanvasItem* item, GdkEvent* even
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = &mta->get_time_axis_view() ;
-                       dynamic_cast<MarkerTimeAxis*>(clicked_trackview)->get_view()->set_selected_time_axis_item(mta) ;
+                       clicked_axisview = &mta->get_time_axis_view() ;
+                       dynamic_cast<MarkerTimeAxis*>(clicked_axisview)->get_view()->set_selected_time_axis_item(mta) ;
                        ret = button_press_handler(item, event, MarkerViewHandleStartItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -427,8 +370,8 @@ Editor::canvas_markerview_start_handle_event(GtkCanvasItem* item, GdkEvent* even
        return(ret) ;
 }
 
-gint
-Editor::canvas_markerview_end_handle_event(GtkCanvasItem* item, GdkEvent* event, MarkerView* mta)
+bool
+Editor::canvas_markerview_end_handle_event (GdkEvent* event, ArdourCanvas::Item* item, MarkerView* mta)
 {
        gint ret = FALSE ;
        switch (event->type)
@@ -436,8 +379,8 @@ Editor::canvas_markerview_end_handle_event(GtkCanvasItem* item, GdkEvent* event,
                case GDK_BUTTON_PRESS:
                case GDK_2BUTTON_PRESS:
                case GDK_3BUTTON_PRESS:
-                       clicked_trackview = &mta->get_time_axis_view() ;
-                       dynamic_cast<MarkerTimeAxis*>(clicked_trackview)->get_view()->set_selected_time_axis_item(mta) ;
+                       clicked_axisview = &mta->get_time_axis_view() ;
+                       dynamic_cast<MarkerTimeAxis*>(clicked_axisview)->get_view()->set_selected_time_axis_item(mta) ;
                        ret = button_press_handler(item, event, MarkerViewHandleEndItem) ;
                        break ;
                case GDK_BUTTON_RELEASE:
@@ -473,18 +416,19 @@ Editor::canvas_markerview_end_handle_event(GtkCanvasItem* item, GdkEvent* event,
 /* <CMT Additions file="editor_mouse.cc"> */
 
 void
-Editor::start_imageframe_grab(GtkCanvasItem* item, GdkEvent* event)
+Editor::start_imageframe_grab(ArdourCanvas::Item* item, GdkEvent* event)
 {
-       ImageFrameView* ifv = ((ImageFrameTimeAxis*)clicked_trackview)->get_view()->get_selected_imageframe_view() ;
+       ImageFrameView* ifv = ((ImageFrameTimeAxis*)clicked_axisview)->get_view()->get_selected_imageframe_view() ;
        drag_info.copy = false ;
        drag_info.item = item ;
        drag_info.data = ifv ;
        drag_info.motion_callback = &Editor::imageframe_drag_motion_callback;
        drag_info.finished_callback = &Editor::timeaxis_item_drag_finished_callback;
        drag_info.last_frame_position = ifv->get_position() ;
-       drag_info.last_trackview = &ifv->get_time_axis_view() ;
-       
+
+       drag_info.source_trackview = &ifv->get_time_axis_view() ;
+       drag_info.dest_trackview = drag_info.source_trackview;
+
        /* this is subtle. raising the regionview itself won't help,
           because raise_to_top() just puts the item on the top of
           its parent's stack. so, we need to put the trackview canvas_display group
@@ -494,10 +438,10 @@ Editor::start_imageframe_grab(GtkCanvasItem* item, GdkEvent* event)
           so move them to the top afterwards.
        */
 
-       gtk_canvas_item_raise_to_top(drag_info.item) ;
-       gtk_canvas_item_raise_to_top(drag_info.last_trackview->canvas_display) ;
-       //gtk_canvas_item_raise_to_top(time_line_group) ;
-       gtk_canvas_item_raise_to_top (cursor_group);
+       drag_info.item->raise_to_top();
+       drag_info.source_trackview->canvas_display->raise_to_top();
+       //time_line_group->raise_to_top();
+       cursor_group->raise_to_top ();
 
        start_grab(event) ;
 
@@ -506,9 +450,9 @@ Editor::start_imageframe_grab(GtkCanvasItem* item, GdkEvent* event)
 
 
 void
-Editor::start_markerview_grab(GtkCanvasItem* item, GdkEvent* event)
+Editor::start_markerview_grab(ArdourCanvas::Item* item, GdkEvent* event)
 {
-       MarkerView* mv = ((MarkerTimeAxis*)clicked_trackview)->get_view()->get_selected_time_axis_item() ;
+       MarkerView* mv = ((MarkerTimeAxis*)clicked_axisview)->get_view()->get_selected_time_axis_item() ;
        drag_info.copy = false ;
        drag_info.item = item ;
        drag_info.data = mv ;
@@ -516,7 +460,8 @@ Editor::start_markerview_grab(GtkCanvasItem* item, GdkEvent* event)
        drag_info.finished_callback = &Editor::timeaxis_item_drag_finished_callback;
        drag_info.last_frame_position = mv->get_position() ;
 
-       drag_info.last_trackview = &mv->get_time_axis_view() ;
+       drag_info.source_trackview = &mv->get_time_axis_view() ;
+       drag_info.dest_trackview = drag_info.source_trackview;
 
        /* this is subtle. raising the regionview itself won't help,
           because raise_to_top() just puts the item on the top of
@@ -527,42 +472,42 @@ Editor::start_markerview_grab(GtkCanvasItem* item, GdkEvent* event)
           so move them to the top afterwards.
        */
 
-       gtk_canvas_item_raise_to_top(drag_info.item) ;
-       gtk_canvas_item_raise_to_top(drag_info.last_trackview->canvas_display) ;
-       //gtk_canvas_item_raise_to_top(time_line_group) ;
-       gtk_canvas_item_raise_to_top (cursor_group);
+       drag_info.item->raise_to_top();
+       drag_info.source_trackview->canvas_display->raise_to_top();
+       //time_line_group->raise_to_top();
+       cursor_group->raise_to_top ();
 
        start_grab(event) ;
-  
+
        drag_info.pointer_frame_offset = pixel_to_frame(drag_info.grab_x) - drag_info.last_frame_position ;
 }
 
 
 void
-Editor::markerview_drag_motion_callback(GtkCanvasItem*, GdkEvent* event)
+Editor::markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent* event)
 {
        double cx, cy ;
 
        MarkerView* mv = reinterpret_cast<MarkerView*>(drag_info.data) ;
-       jack_nframes_t pending_region_position ;
-       jack_nframes_t pointer_frame ;
+       nframes64_t pending_region_position ;
+       nframes64_t pointer_frame ;
 
        pointer_frame = event_frame(event, &cx, &cy) ;
 
        snap_to(pointer_frame) ;
 
-       if (pointer_frame > (jack_nframes_t) drag_info.pointer_frame_offset)
+       if (pointer_frame > (nframes64_t) drag_info.pointer_frame_offset)
        {
                pending_region_position = pointer_frame - drag_info.pointer_frame_offset ;
                snap_to(pending_region_position) ;
-               
+
                // we dont allow marker items to extend beyond, or in front of the marked items so
                // cap the value to the marked items position and duration
-               if((pending_region_position + mv->get_duration()) >= ((mv->get_marked_item()->get_position()) + (mv->get_marked_item()->get_duration()))) 
+               if((pending_region_position + mv->get_duration()) >= ((mv->get_marked_item()->get_position()) + (mv->get_marked_item()->get_duration())))
                {
                        pending_region_position = (mv->get_marked_item()->get_position() + mv->get_marked_item()->get_duration()) - (mv->get_duration()) ;
                }
-               else if(pending_region_position <= mv->get_marked_item()->get_position()) 
+               else if(pending_region_position <= mv->get_marked_item()->get_position())
                {
                        pending_region_position = mv->get_marked_item()->get_position() ;
                }
@@ -573,7 +518,7 @@ Editor::markerview_drag_motion_callback(GtkCanvasItem*, GdkEvent* event)
        }
 
        drag_info.last_frame_position = pending_region_position ;
-       
+
        // we treat this as a special case, usually we want to send the identitiy of the caller
        // but in this case, that would trigger our socket handler to handle the event, sending
        // notification to the image compositor. This would be fine, except that we have not
@@ -586,20 +531,20 @@ Editor::markerview_drag_motion_callback(GtkCanvasItem*, GdkEvent* event)
 }
 
 void
-Editor::imageframe_drag_motion_callback(GtkCanvasItem*, GdkEvent* event)
+Editor::imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent* event)
 {
        double cx, cy ;
-       
+
        ImageFrameView* ifv = reinterpret_cast<ImageFrameView*>(drag_info.data) ;
-       
-       jack_nframes_t pending_region_position;
-       jack_nframes_t pointer_frame;
+
+       nframes64_t pending_region_position;
+       nframes64_t pointer_frame;
 
        pointer_frame = event_frame(event, &cx, &cy) ;
 
        snap_to(pointer_frame) ;
 
-       if (pointer_frame > (jack_nframes_t) drag_info.pointer_frame_offset)
+       if (pointer_frame > (nframes64_t) drag_info.pointer_frame_offset)
        {
                pending_region_position = pointer_frame - drag_info.pointer_frame_offset ;
                snap_to(pending_region_position) ;
@@ -612,7 +557,7 @@ Editor::imageframe_drag_motion_callback(GtkCanvasItem*, GdkEvent* event)
        drag_info.grab_x = cx;
        //drag_info.last_frame_position = pending_region_position ;
        drag_info.current_pointer_frame = pending_region_position ;
-       
+
        // we treat this as a special case, usually we want to send the identitiy of the caller
        // but in this case, that would trigger our socket handler to handle the event, sending
        // notification to the image compositor. This would be fine, except that we have not
@@ -620,14 +565,14 @@ Editor::imageframe_drag_motion_callback(GtkCanvasItem*, GdkEvent* event)
        // completed the drag, only then do we want the image compositor notofied.
        // We therefore set the caller identity to the special case of 0
        ifv->set_position(pending_region_position, 0) ;
-       
+
        show_verbose_time_cursor(pending_region_position) ;
 }
 
 void
-Editor::timeaxis_item_drag_finished_callback(GtkCanvasItem*, GdkEvent* event)
+Editor::timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent* event)
 {
-       jack_nframes_t where ;
+       nframes64_t where ;
        TimeAxisViewItem* tavi = reinterpret_cast<TimeAxisViewItem*>(drag_info.data) ;
 
        bool item_x_movement = (drag_info.last_frame_position != tavi->get_position()) ;
@@ -649,7 +594,7 @@ Editor::timeaxis_item_drag_finished_callback(GtkCanvasItem*, GdkEvent* event)
        {
                /* base the new region position on the current position of the regionview.*/
                where = drag_info.current_pointer_frame ;
-               
+
                // final call to set position after the motion to tell interested parties of the new position
                tavi->set_position(where, this) ;
        }
@@ -657,16 +602,16 @@ Editor::timeaxis_item_drag_finished_callback(GtkCanvasItem*, GdkEvent* event)
        {
                //where = tavi->get_position() ;
        }
-  
+
 
 }
 
 
 void
-Editor::imageframe_start_handle_op(GtkCanvasItem* item, GdkEvent* event)
+Editor::imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event)
 {
        // get the selected item from the parent time axis
-       ImageFrameTimeAxis* ifta = dynamic_cast<ImageFrameTimeAxis*>(clicked_trackview) ;
+       ImageFrameTimeAxis* ifta = dynamic_cast<ImageFrameTimeAxis*>(clicked_axisview) ;
        if(ifta)
        {
                ImageFrameView* ifv = ifta->get_view()->get_selected_imageframe_view() ;
@@ -683,32 +628,30 @@ Editor::imageframe_start_handle_op(GtkCanvasItem* item, GdkEvent* event)
                drag_info.cumulative_x_drag = 0;
                drag_info.motion_callback = &Editor::imageframe_start_handle_trim_motion ;
                drag_info.finished_callback = &Editor::imageframe_start_handle_end_trim ;
-               
-               flush_track_canvas() ;
-               
+
                start_grab(event) ;
-               
+
                show_verbose_time_cursor(ifv->get_position(), 10) ;
        }
 }
 
 void
-Editor::imageframe_end_handle_op(GtkCanvasItem* item, GdkEvent* event)
+Editor::imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event)
 {
        // get the selected item from the parent time axis
-       ImageFrameTimeAxis* ifta = dynamic_cast<ImageFrameTimeAxis*>(clicked_trackview) ;
+       ImageFrameTimeAxis* ifta = dynamic_cast<ImageFrameTimeAxis*>(clicked_axisview) ;
 
        if(ifta)
        {
                ImageFrameView* ifv = ifta->get_view()->get_selected_imageframe_view() ;
-       
+
                if (ifv == 0)
                {
                        fatal << _("programming error: no ImageFrameView selected") << endmsg ;
                        /*NOTREACHED*/
                        return ;
                }
-       
+
                drag_info.item = ifv->get_canvas_frame() ;
                drag_info.data = ifv ;
                drag_info.grab_x = event->motion.x ;
@@ -716,8 +659,6 @@ Editor::imageframe_end_handle_op(GtkCanvasItem* item, GdkEvent* event)
                drag_info.motion_callback = &Editor::imageframe_end_handle_trim_motion ;
                drag_info.finished_callback = &Editor::imageframe_end_handle_end_trim ;
 
-               flush_track_canvas() ;
-
                start_grab(event, trimmer_cursor) ;
 
                show_verbose_time_cursor(ifv->get_position() + ifv->get_duration(), 10) ;
@@ -725,14 +666,14 @@ Editor::imageframe_end_handle_op(GtkCanvasItem* item, GdkEvent* event)
 }
 
 void
-Editor::imageframe_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
+Editor::imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event)
 {
        ImageFrameView* ifv = reinterpret_cast<ImageFrameView*> (drag_info.data) ;
-       
-       jack_nframes_t start = 0 ;
-       jack_nframes_t end = 0 ;
-       jack_nframes_t pointer_frame = event_frame(event) ;
-       
+
+       nframes64_t start = 0 ;
+       nframes64_t end = 0 ;
+       nframes64_t pointer_frame = event_frame(event) ;
+
        // chekc th eposition of the item is not locked
        if(!ifv->get_position_locked()) {
                snap_to(pointer_frame) ;
@@ -740,18 +681,18 @@ Editor::imageframe_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                if(pointer_frame != drag_info.last_pointer_frame) {
                        start = ifv->get_position() ;
                        end = ifv->get_position() + ifv->get_duration() ;
-                       
+
                        if (pointer_frame > end) {
                                start = end ;
                        } else {
                                start = pointer_frame ;
                        }
-                       
+
                        // are we getting bigger or smaller?
-                       jack_nframes_t new_dur_val = end - start ;
-                       
+                       nframes64_t new_dur_val = end - start ;
+
                        // start handle, so a smaller pointer frame increases our component size
-                       if(pointer_frame <= drag_info.grab_frame) 
+                       if(pointer_frame <= drag_info.grab_frame)
                        {
                                if(ifv->get_max_duration_active() && (new_dur_val > ifv->get_max_duration()))
                                {
@@ -775,9 +716,9 @@ Editor::imageframe_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                                        // current values are ok
                                }
                        }
-               
+
                        drag_info.last_pointer_frame = pointer_frame ;
-       
+
                        /* re-calculatethe duration and position of the imageframeview */
                        drag_info.cumulative_x_drag = new_dur_val ;
 
@@ -791,42 +732,40 @@ Editor::imageframe_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                        ifv->set_position(start, 0) ;
                }
        }
-       
+
        show_verbose_time_cursor(start, 10) ;
 }
 
 void
-Editor::imageframe_start_handle_end_trim(GtkCanvasItem* item, GdkEvent* event)
+Editor::imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event)
 {
        ImageFrameView* ifv = reinterpret_cast<ImageFrameView *> (drag_info.data) ;
-       
+
        if (drag_info.cumulative_x_drag == 0)
        {
                /* just a click */
        }
        else
        {
-               jack_nframes_t temp = ifv->get_position() + ifv->get_duration() ;
-               
-               ifv->set_position((jack_nframes_t) (temp - drag_info.cumulative_x_drag), this) ;
-               ifv->set_duration((jack_nframes_t) drag_info.cumulative_x_drag, this) ;
-       }
+               nframes64_t temp = ifv->get_position() + ifv->get_duration() ;
 
-       flush_track_canvas() ;
+               ifv->set_position((nframes64_t) (temp - drag_info.cumulative_x_drag), this) ;
+               ifv->set_duration((nframes64_t) drag_info.cumulative_x_drag, this) ;
+       }
 }
 
 void
-Editor::imageframe_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
+Editor::imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event)
 {
        ImageFrameView* ifv = reinterpret_cast<ImageFrameView *> (drag_info.data) ;
-       
-       jack_nframes_t start = 0 ;
-       jack_nframes_t end = 0 ;
-       jack_nframes_t pointer_frame = event_frame(event) ;
-       jack_nframes_t new_dur_val = 0 ;
+
+       nframes64_t start = 0 ;
+       nframes64_t end = 0 ;
+       nframes64_t pointer_frame = event_frame(event) ;
+       nframes64_t new_dur_val = 0 ;
 
        snap_to(pointer_frame) ;
-       
+
        if (pointer_frame != drag_info.last_pointer_frame)
        {
                start = ifv->get_position() ;
@@ -839,9 +778,9 @@ Editor::imageframe_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
                {
                        end = pointer_frame ;
                }
-               
+
                new_dur_val = end - start ;
-               
+
                // are we getting bigger or smaller?
                if(pointer_frame >= drag_info.last_pointer_frame)
                {
@@ -857,10 +796,10 @@ Editor::imageframe_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
                                new_dur_val = ifv->get_min_duration() ;
                        }
                }
-               
+
                drag_info.last_pointer_frame = pointer_frame ;
                drag_info.cumulative_x_drag = new_dur_val ;
-               
+
                // we treat this as a special case, usually we want to send the identitiy of the caller
                // but in this case, that would trigger our socket handler to handle the event, sending
                // notification to the image compositor. This would be fine, except that we have not
@@ -869,13 +808,13 @@ Editor::imageframe_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
                // We therefore set the caller identity to the special case of 0
                ifv->set_duration(new_dur_val, 0) ;
        }
-       
+
        show_verbose_time_cursor(new_dur_val, 10) ;
 }
 
 
 void
-Editor::imageframe_end_handle_end_trim (GtkCanvasItem* item, GdkEvent* event)
+Editor::imageframe_end_handle_end_trim (ArdourCanvas::Item* item, GdkEvent* event)
 {
        ImageFrameView* ifv = reinterpret_cast<ImageFrameView *> (drag_info.data) ;
 
@@ -885,21 +824,19 @@ Editor::imageframe_end_handle_end_trim (GtkCanvasItem* item, GdkEvent* event)
        }
        else
        {
-               jack_nframes_t new_duration = (jack_nframes_t)drag_info.cumulative_x_drag ;
+               nframes64_t new_duration = (nframes64_t)drag_info.cumulative_x_drag ;
                if((new_duration <= ifv->get_max_duration()) && (new_duration >= ifv->get_min_duration()))
                {
                        ifv->set_duration(new_duration, this) ;
                }
        }
-
-       flush_track_canvas ();
 }
 
 
 void
-Editor::markerview_item_start_handle_op(GtkCanvasItem* item, GdkEvent* event)
+Editor::markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event)
 {
-       MarkerView* mv = reinterpret_cast<MarkerTimeAxis*>(clicked_trackview)->get_view()->get_selected_time_axis_item() ;
+       MarkerView* mv = reinterpret_cast<MarkerTimeAxis*>(clicked_axisview)->get_view()->get_selected_time_axis_item() ;
 
        if (mv == 0)
        {
@@ -916,45 +853,41 @@ Editor::markerview_item_start_handle_op(GtkCanvasItem* item, GdkEvent* event)
        drag_info.motion_callback = &Editor::markerview_start_handle_trim_motion ;
        drag_info.finished_callback = &Editor::markerview_start_handle_end_trim ;
 
-       flush_track_canvas() ;
-
        start_grab(event, trimmer_cursor) ;
 }
 
 void
-Editor::markerview_item_end_handle_op(GtkCanvasItem* item, GdkEvent* event)
+Editor::markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event)
 {
-       MarkerView* mv = reinterpret_cast<MarkerTimeAxis*>(clicked_trackview)->get_view()->get_selected_time_axis_item() ;
+       MarkerView* mv = reinterpret_cast<MarkerTimeAxis*>(clicked_axisview)->get_view()->get_selected_time_axis_item() ;
        if (mv == 0)
        {
                fatal << _("programming error: no MarkerView selected") << endmsg ;
                /*NOTREACHED*/
                return ;
        }
-       
+
        drag_info.item = mv->get_canvas_frame() ;
        drag_info.data = mv ;
        drag_info.grab_x = event->motion.x ;
        drag_info.cumulative_x_drag = 0 ;
-       
+
        drag_info.motion_callback = &Editor::markerview_end_handle_trim_motion ;
        drag_info.finished_callback = &Editor::markerview_end_handle_end_trim ;
-       
-       flush_track_canvas () ;
 
        start_grab(event, trimmer_cursor) ;
 }
 
 
 void
-Editor::markerview_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
+Editor::markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event)
 {
        MarkerView* mv = reinterpret_cast<MarkerView*> (drag_info.data) ;
-       
-       jack_nframes_t start = 0 ;
-       jack_nframes_t end = 0 ;
-       jack_nframes_t pointer_frame = event_frame(event) ;
-       
+
+       nframes64_t start = 0 ;
+       nframes64_t end = 0 ;
+       nframes64_t pointer_frame = event_frame(event) ;
+
        // chekc th eposition of the item is not locked
        if(!mv->get_position_locked())
        {
@@ -963,7 +896,7 @@ Editor::markerview_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                {
                        start = mv->get_position() ;
                        end = mv->get_position() + mv->get_duration() ;
-                       
+
                        if (pointer_frame > end)
                        {
                                start = end ;
@@ -972,10 +905,10 @@ Editor::markerview_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                        {
                                start = pointer_frame ;
                        }
-                       
+
                        // are we getting bigger or smaller?
-                       jack_nframes_t new_dur_val = end - start ;
-                       
+                       nframes64_t new_dur_val = end - start ;
+
                        if(pointer_frame <= drag_info.grab_frame)
                        {
                                if(mv->get_max_duration_active() && (new_dur_val > mv->get_max_duration()))
@@ -1000,12 +933,12 @@ Editor::markerview_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                                        // current values are ok
                                }
                        }
-               
+
                        drag_info.last_pointer_frame = pointer_frame ;
-       
+
                        /* re-calculatethe duration and position of the imageframeview */
                        drag_info.cumulative_x_drag = new_dur_val ;
-        
+
                        // we treat this as a special case, usually we want to send the identitiy of the caller
                        // but in this case, that would trigger our socket handler to handle the event, sending
                        // notification to the image compositor. This would be fine, except that we have not
@@ -1016,47 +949,45 @@ Editor::markerview_start_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event
                        mv->set_position(start, 0) ;
                }
        }
-       
+
        show_verbose_time_cursor(start, 10) ;
 }
 
 void
-Editor::markerview_start_handle_end_trim(GtkCanvasItem* item, GdkEvent* event)
+Editor::markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event)
 {
        MarkerView* mv = reinterpret_cast<MarkerView*> (drag_info.data) ;
-       
+
        if (drag_info.cumulative_x_drag == 0)
        {
                /* just a click */
        }
        else
        {
-               jack_nframes_t temp = mv->get_position() + mv->get_duration() ;
-               
-               mv->set_position((jack_nframes_t) (temp - drag_info.cumulative_x_drag), this) ;
-               mv->set_duration((jack_nframes_t) drag_info.cumulative_x_drag, this) ;
-       }
+               nframes64_t temp = mv->get_position() + mv->get_duration() ;
 
-       flush_track_canvas() ;
+               mv->set_position((nframes64_t) (temp - drag_info.cumulative_x_drag), this) ;
+               mv->set_duration((nframes64_t) drag_info.cumulative_x_drag, this) ;
+       }
 }
 
 void
-Editor::markerview_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
+Editor::markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event)
 {
        MarkerView* mv = reinterpret_cast<MarkerView*> (drag_info.data) ;
-       
-       jack_nframes_t start = 0 ;
-       jack_nframes_t end = 0 ;
-       jack_nframes_t pointer_frame = event_frame(event) ;
-       jack_nframes_t new_dur_val = 0 ;
+
+       nframes64_t start = 0 ;
+       nframes64_t end = 0 ;
+       nframes64_t pointer_frame = event_frame(event) ;
+       nframes64_t new_dur_val = 0 ;
 
        snap_to(pointer_frame) ;
-       
+
        if (pointer_frame != drag_info.last_pointer_frame)
        {
                start = mv->get_position() ;
                end = mv->get_position() + mv->get_duration() ;
-               
+
                if(pointer_frame < start)
                {
                        end = start ;
@@ -1065,16 +996,16 @@ Editor::markerview_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
                {
                        end = pointer_frame ;
                }
-               
+
                new_dur_val = end - start ;
-               
+
                // are we getting bigger or smaller?
                if(pointer_frame >= drag_info.last_pointer_frame)
                {
                        // we cant extend beyond the item we are marking
                        ImageFrameView* marked_item = mv->get_marked_item() ;
-                       jack_nframes_t marked_end = marked_item->get_position() + marked_item->get_duration() ;
-                       
+                       nframes64_t marked_end = marked_item->get_position() + marked_item->get_duration() ;
+
                        if(mv->get_max_duration_active() && (new_dur_val > mv->get_max_duration()))
                        {
                                if((start + mv->get_max_duration()) > marked_end)
@@ -1102,7 +1033,7 @@ Editor::markerview_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
 
                drag_info.last_pointer_frame = pointer_frame ;
                drag_info.cumulative_x_drag = new_dur_val ;
-               
+
                // we treat this as a special case, usually we want to send the identitiy of the caller
                // but in this case, that would trigger our socket handler to handle the event, sending
                // notification to the image compositor. This would be fine, except that we have not
@@ -1111,13 +1042,13 @@ Editor::markerview_end_handle_trim_motion(GtkCanvasItem* item, GdkEvent* event)
                // We therefore set the caller identity to the special case of 0
                mv->set_duration(new_dur_val, 0) ;
        }
-       
+
        show_verbose_time_cursor(new_dur_val, 10) ;
 }
 
 
 void
-Editor::markerview_end_handle_end_trim (GtkCanvasItem* item, GdkEvent* event)
+Editor::markerview_end_handle_end_trim (ArdourCanvas::Item* item, GdkEvent* event)
 {
        MarkerView* mv = reinterpret_cast<MarkerView*> (drag_info.data) ;
 
@@ -1127,11 +1058,9 @@ Editor::markerview_end_handle_end_trim (GtkCanvasItem* item, GdkEvent* event)
        }
        else
        {
-               jack_nframes_t new_duration = (jack_nframes_t)drag_info.cumulative_x_drag ;
+               nframes64_t new_duration = (nframes64_t)drag_info.cumulative_x_drag ;
                mv->set_duration(new_duration, this) ;
        }
-
-       flush_track_canvas() ;
 }
 
 
@@ -1146,34 +1075,35 @@ Editor::markerview_end_handle_end_trim (GtkCanvasItem* item, GdkEvent* event)
 /* <CMT Additions file="editor_route_list.cc"> */
 
 void
-Editor::handle_new_imageframe_time_axis_view(std::string track_name, void* src)
+Editor::handle_new_imageframe_time_axis_view(const string & track_name, void* src)
 {
        ImageFrameTimeAxis* iftav ;
-       iftav = new ImageFrameTimeAxis(track_name, *this, *session, track_canvas) ;
+       iftav = new ImageFrameTimeAxis(track_name, *this, *session, *track_canvas) ;
        iftav->set_time_axis_name(track_name, this) ;
        track_views.push_back(iftav) ;
-       const gchar *rowdata[1] ;
-       rowdata[0] = iftav->name().c_str() ;
-       route_list.rows().push_back(rowdata) ;
-       route_list.rows().back().set_data(iftav) ;
-       route_list.rows().back().select() ;
-       iftav->GoingAway.connect(bind(slot(*this, &Editor::remove_route), (TimeAxisView*)iftav)) ;
-       iftav->gui_changed.connect(slot(*this, &Editor::handle_gui_changes)) ;
+
+       TreeModel::Row row = *(route_display_model->append());
+
+       row[route_display_columns.text] = iftav->name();
+       row[route_display_columns.tv] = iftav;
+       route_list_display.get_selection()->select (row);
+
+       iftav->gui_changed.connect(sigc::mem_fun(*this, &Editor::handle_gui_changes)) ;
 }
 
 void
-Editor::handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track)
+Editor::handle_new_imageframe_marker_time_axis_view(const string & track_name, TimeAxisView* marked_track)
 {
-       MarkerTimeAxis* mta = new MarkerTimeAxis (*this, *this->current_session(), track_canvas, track_name, marked_track) ;
+       MarkerTimeAxis* mta = new MarkerTimeAxis (*this, *this->session(), *track_canvas, track_name, marked_track) ;
        ((ImageFrameTimeAxis*)marked_track)->add_marker_time_axis(mta, this) ;
        track_views.push_back(mta) ;
-       const gchar *rowdata[1] ;
-       rowdata[0] = mta->name().c_str() ;
-       route_list.rows().push_back(rowdata) ;
-       route_list.rows().back().set_data (mta) ;
-       route_list.rows().back().select() ;
-       mta->GoingAway.connect(bind(slot (*this, &Editor::remove_route), (TimeAxisView*)mta)) ;
- }
+
+       TreeModel::Row row = *(route_display_model->append());
+
+       row[route_display_columns.text] = mta->name();
+       row[route_display_columns.tv] = mta;
+       route_list_display.get_selection()->select (row);
+}
 
 
 /* </CMT Additions file="editor_route_list.cc"> */