X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Ftime_axis_view.cc;h=8d2e94a13b5c32db140929b4675cc00e026ad5de;hb=e3d9a971a735174687067cb7d7b9419c7ecbb114;hp=1ff6b3d363f7af547560156175d505702c115ace;hpb=e2ad9eeacdf089ff47cef473b5b54eb27bf61c1a;p=ardour.git

diff --git a/gtk2_ardour/time_axis_view.cc b/gtk2_ardour/time_axis_view.cc
index 1ff6b3d363..8d2e94a13b 100644
--- a/gtk2_ardour/time_axis_view.cc
+++ b/gtk2_ardour/time_axis_view.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000 Paul Davis
 
     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
@@ -27,19 +27,21 @@
 #include <libgnomecanvasmm/canvas.h>
 #include <libgnomecanvasmm/item.h>
 
-#include <pbd/error.h>
+#include "pbd/error.h"
+#include "pbd/convert.h"
 
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/selector.h>
-#include <gtkmm2ext/stop_signal.h>
 
-#include <ardour/session.h>
-#include <ardour/utils.h>
-#include <ardour/ladspa_plugin.h>
-#include <ardour/processor.h>
-#include <ardour/location.h>
+#include "ardour/session.h"
+#include "ardour/utils.h"
+#include "ardour/ladspa_plugin.h"
+#include "ardour/processor.h"
+#include "ardour/location.h"
 
 #include "ardour_ui.h"
+#include "global_signals.h"
+#include "gui_thread.h"
 #include "public_editor.h"
 #include "time_axis_view.h"
 #include "region_view.h"
@@ -50,60 +52,63 @@
 #include "keyboard.h"
 #include "rgb_macros.h"
 #include "utils.h"
+#include "streamview.h"
+#include "editor_drag.h"
 
 #include "i18n.h"
 
+using namespace std;
 using namespace Gtk;
 using namespace Gdk;
-using namespace sigc; 
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Editing;
 using namespace ArdourCanvas;
+using Gtkmm2ext::Keyboard;
 
 const double trim_handle_size = 6.0; /* pixels */
-
-uint32_t TimeAxisView::hLargest = 0;
-uint32_t TimeAxisView::hLarge = 0;
-uint32_t TimeAxisView::hLarger = 0;
-uint32_t TimeAxisView::hNormal = 0;
-uint32_t TimeAxisView::hSmaller = 0;
-uint32_t TimeAxisView::hSmall = 0;
-bool TimeAxisView::need_size_info = true;
-
-TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* rent, Canvas& canvas) 
-	: AxisView (sess), 
-	  editor (ed),
-	  y_position(0),
-	  order(0),
-	  controls_table (2, 8)
+uint32_t TimeAxisView::button_height = 0;
+uint32_t TimeAxisView::extra_height = 0;
+int const TimeAxisView::_max_order = 512;
+PBD::Signal1<void,TimeAxisView*> TimeAxisView::CatchDeletion;
+
+TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisView* rent, Canvas& /*canvas*/)
+	: AxisView (sess)
+	, controls_table (2, 8)
+	, _size_menu (0)
+	, _y_position (0)
+	, _editor (ed)
+	, _order (0)
+	, _preresize_cursor (0)
+	, _have_preresize_cursor (false)
+	, _ghost_group (0)
 {
-	if (need_size_info) {
-		compute_controls_size_info ();
-		need_size_info = false;
+	if (extra_height == 0) {
+		compute_heights ();
 	}
 
-	canvas_display = new Group (*ed.get_trackview_group (), 0.0, 0.0);
-
-	ghost_group = new Group (*canvas_display);
-	ghost_group->lower_to_bottom();
-	ghost_group->show();
+	_canvas_background = new Group (*ed.get_background_group (), 0.0, 0.0);
+	_canvas_display = new Group (*ed.get_trackview_group (), 0.0, 0.0);
+	_canvas_display->hide(); // reveal as needed
 
-	selection_group = new Group (*canvas_display);
+	selection_group = new Group (*_canvas_display);
+	selection_group->set_data (X_("timeselection"), (void *) 1);
 	selection_group->hide();
-	
-   	control_parent = 0;
+
+	_ghost_group = new Group (*_canvas_display);
+	_ghost_group->lower_to_bottom();
+	_ghost_group->show();
+
+	control_parent = 0;
 	display_menu = 0;
-	size_menu = 0;
 	_hidden = false;
 	in_destructor = false;
 	height = 0;
-	effective_height = 0;
+	_effective_height = 0;
 	parent = rent;
-	_has_state = false;
 	last_name_entry_key_press_event = 0;
 	name_packing = NamePackingBits (0);
-	resize_drag_start = -1;
+	_resize_drag_start = -1;
 
 	/*
 	  Create the standard LHS Controls
@@ -112,12 +117,12 @@ TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisVie
 	*/
 
 	name_entry.set_name ("EditorTrackNameDisplay");
-	name_entry.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_release));
-	name_entry.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::name_entry_button_press));
-	name_entry.signal_key_release_event().connect (mem_fun (*this, &TimeAxisView::name_entry_key_release));
-	name_entry.signal_activate().connect (mem_fun(*this, &TimeAxisView::name_entry_activated));
-	name_entry.signal_focus_in_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_in));
-	name_entry.signal_focus_out_event().connect (mem_fun (*this, &TimeAxisView::name_entry_focus_out));
+	name_entry.signal_button_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_button_release));
+	name_entry.signal_button_press_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_button_press));
+	name_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_key_release));
+	name_entry.signal_activate().connect (sigc::mem_fun(*this, &TimeAxisView::name_entry_activated));
+	name_entry.signal_focus_in_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_focus_in));
+	name_entry.signal_focus_out_event().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_focus_out));
 	Gtkmm2ext::set_size_request_to_display_given_text (name_entry, N_("gTortnam"), 10, 10); // just represents a short name
 
 	name_label.set_name ("TrackLabel");
@@ -130,54 +135,48 @@ TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisVie
 
 	name_hbox.show ();
 
+	controls_table.set_size_request (200);
+	controls_table.set_row_spacings (2);
+	controls_table.set_col_spacings (2);
 	controls_table.set_border_width (2);
-	controls_table.set_row_spacings (0);
-	controls_table.set_col_spacings (0);
 	controls_table.set_homogeneous (true);
 
 	controls_table.attach (name_hbox, 0, 5, 0, 1,  Gtk::FILL|Gtk::EXPAND,  Gtk::FILL|Gtk::EXPAND, 3, 0);
 	controls_table.show_all ();
 	controls_table.set_no_show_all ();
 
-	resizer.set_size_request (10, 10);
-	resizer.set_name ("ResizeHandle");
-	resizer.signal_expose_event().connect (mem_fun (*this, &TimeAxisView::resizer_expose));
-	resizer.signal_button_press_event().connect (mem_fun (*this, &TimeAxisView::resizer_button_press));
-	resizer.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::resizer_button_release));
-	resizer.signal_motion_notify_event().connect (mem_fun (*this, &TimeAxisView::resizer_motion));
-	resizer.set_events (Gdk::BUTTON_PRESS_MASK|
-			    Gdk::BUTTON_RELEASE_MASK|
-			    Gdk::POINTER_MOTION_MASK|
-			    Gdk::SCROLL_MASK);
-
-	resizer_box.pack_start (resizer, false, false);
-	resizer.show ();
-	resizer_box.show();
-
 	HSeparator* separator = manage (new HSeparator());
 
 	controls_vbox.pack_start (controls_table, false, false);
-	controls_vbox.pack_end (*separator, false, false);
-	controls_vbox.pack_end (resizer_box, false, true);
 	controls_vbox.show ();
-	
+
 	//controls_ebox.set_name ("TimeAxisViewControlsBaseUnselected");
 	controls_ebox.add (controls_vbox);
-	controls_ebox.add_events (BUTTON_PRESS_MASK|BUTTON_RELEASE_MASK|SCROLL_MASK);
+	controls_ebox.add_events (Gdk::BUTTON_PRESS_MASK|
+				  Gdk::BUTTON_RELEASE_MASK|
+				  Gdk::POINTER_MOTION_MASK|
+				  Gdk::ENTER_NOTIFY_MASK|
+				  Gdk::LEAVE_NOTIFY_MASK|
+				  Gdk::SCROLL_MASK);
 	controls_ebox.set_flags (CAN_FOCUS);
 
-	controls_ebox.signal_button_release_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
-	controls_ebox.signal_scroll_event().connect (mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
+	controls_ebox.signal_scroll_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_scroll), true);
+	controls_ebox.signal_button_press_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_button_press));
+	controls_ebox.signal_button_release_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_button_release));
+	controls_ebox.signal_motion_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_motion));
+	controls_ebox.signal_leave_notify_event().connect (sigc::mem_fun (*this, &TimeAxisView::controls_ebox_leave));
+	controls_ebox.show ();
 
-	controls_hbox.pack_start (controls_ebox,true,true);
+	controls_hbox.pack_start (controls_ebox, true, true);
 	controls_hbox.show ();
 
-	// controls_frame.add (controls_hbox);
-	// controls_frame.set_name ("TimeAxisViewControlsBaseUnselected");
-	// controls_vbox.set_name ("TimeAxisViewControlsBaseUnselected");
-	// controls_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
+	time_axis_vbox.pack_start (controls_hbox, true, true);
+	time_axis_vbox.pack_end (*separator, false, false);
+	time_axis_vbox.show();
+
+	ColorsChanged.connect (sigc::mem_fun (*this, &TimeAxisView::color_handler));
 
-	ColorsChanged.connect (mem_fun (*this, &TimeAxisView::color_handler));
+	GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&TimeAxisView::erase_ghost, this, _1), gui_context());
 }
 
 TimeAxisView::~TimeAxisView()
@@ -201,104 +200,146 @@ TimeAxisView::~TimeAxisView()
 		delete (*i)->end_trim;
 	}
 
-	for (list<SimpleLine*>::iterator i = feature_lines.begin(); i != feature_lines.end(); ++i) {
-		delete (*i);
-	}
+	delete selection_group;
+	selection_group = 0;
+
+	delete _canvas_background;
+	_canvas_background = 0;
+
+	delete _canvas_display;
+	_canvas_display = 0;
 
-	if (selection_group) {
-		delete selection_group;
-		selection_group = 0;
+	delete display_menu;
+	display_menu = 0;
+
+	delete _size_menu;
+}
+
+void
+TimeAxisView::hide ()
+{
+	if (_hidden) {
+		return;
 	}
 
-	if (canvas_display) {
-		delete canvas_display;
-		canvas_display = 0;
+	_canvas_display->hide ();
+	_canvas_background->hide ();
+
+	if (control_parent) {
+		control_parent->remove (time_axis_vbox);
+		control_parent = 0;
 	}
 
-	if (display_menu) {
-		delete display_menu;
-		display_menu = 0;
+	_y_position = -1;
+	_hidden = true;
+
+	/* now hide children */
+
+	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
+		(*i)->hide ();
 	}
+
+	/* if its hidden, it cannot be selected */
+	_editor.get_selection().remove (this);
+	/* and neither can its regions */
+	_editor.get_selection().remove_regions (this);
+
+	Hiding ();
 }
 
+/** Display this TimeAxisView as the nth component of the parent box, at y.
+*
+* @param y y position.
+* @param nth index for this TimeAxisView, increased if this view has children.
+* @param parent parent component.
+* @return height of this TimeAxisView.
+*/
 guint32
 TimeAxisView::show_at (double y, int& nth, VBox *parent)
 {
 	if (control_parent) {
-		control_parent->reorder_child (controls_hbox, nth);
-	} else {	
+		control_parent->reorder_child (time_axis_vbox, nth);
+	} else {
 		control_parent = parent;
-		parent->pack_start (controls_hbox, false, false);
-		parent->reorder_child (controls_hbox, nth);
+		parent->pack_start (time_axis_vbox, false, false);
+		parent->reorder_child (time_axis_vbox, nth);
 	}
 
-	order = nth;
+	_order = nth;
 
-	if (y_position != y) {
-		/* the coordinates used here are in the system of the
-		   item's parent ...
-		*/
+	if (_y_position != y) {
+		_canvas_display->property_y () = y;
+		_canvas_background->property_y () = y;
+		/* silly canvas */
+		_canvas_display->move (0.0, 0.0);
+		_canvas_background->move (0.0, 0.0);
+		_y_position = y;
 
-		Group* pg;
-		double ix1, iy1, ix2, iy2;
-		canvas_display->get_bounds (ix1, iy1, ix2, iy2);
-		iy1 += editor.get_trackview_group_vertical_offset ();
-		pg = canvas_display->property_parent();
-		pg->i2w (ix1, iy1);
-		
-		if (iy1 < 0) {
-			iy1 = 0;
-		}
+	}
 
-		canvas_display->move (0.0, y - iy1);
+	_canvas_background->raise_to_top ();
+	_canvas_display->raise_to_top ();
 
-		y_position = y;
+	_canvas_background->show ();
+	_canvas_display->show ();
 
-	}
-	canvas_display->raise_to_top ();
+	_hidden = false;
 
-	if (_marked_for_display) {
-		canvas_display->show();
-		controls_hbox.show ();
-		controls_ebox.show ();
-	}
+	_effective_height = current_height ();
 
-	_hidden = false;
-	
-	effective_height = current_height();
+	/* now show relevant children */
 
-	/* now show children */
-	
 	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
-		if (canvas_item_visible ((*i)->canvas_display)) {
+		if ((*i)->marked_for_display()) {
 			++nth;
-			effective_height += (*i)->show_at (y + effective_height, nth, parent);
+			_effective_height += (*i)->show_at (y + _effective_height, nth, parent);
+		} else {
+			(*i)->hide ();
 		}
 	}
 
-	return effective_height;
+	return _effective_height;
+}
+
+void
+TimeAxisView::clip_to_viewport ()
+{
+	if (marked_for_display()) {
+		if (_y_position + _effective_height < _editor.get_trackview_group_vertical_offset () || _y_position > _editor.get_trackview_group_vertical_offset () + _canvas_display->get_canvas()->get_height()) {
+			_canvas_background->hide ();
+			_canvas_display->hide ();
+			return;
+		}
+		_canvas_background->show ();
+		_canvas_display->show ();
+	}
+	return;
 }
 
 bool
 TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 {
+	if (Keyboard::some_magic_widget_has_focus()) {
+		return false;
+	}
+
 	switch (ev->direction) {
 	case GDK_SCROLL_UP:
 		if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
-			step_height (true);
+			step_height (false);
 			return true;
 		} else if (Keyboard::no_modifiers_active (ev->state)) {
-			editor.scroll_tracks_up_line();
+			_editor.scroll_tracks_up_line();
 			return true;
 		}
 		break;
-		
+
 	case GDK_SCROLL_DOWN:
 		if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
-			step_height (false);
+			step_height (true);
 			return true;
 		} else if (Keyboard::no_modifiers_active (ev->state)) {
-			editor.scroll_tracks_down_line();
+			_editor.scroll_tracks_down_line();
 			return true;
 		}
 		break;
@@ -311,9 +352,102 @@ TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
 	return false;
 }
 
+bool
+TimeAxisView::controls_ebox_button_press (GdkEventButton* event)
+{
+	if (maybe_set_cursor (event->y) > 0) {
+		_resize_drag_start = event->y_root;
+	}
+
+	return true;
+}
+
+void
+TimeAxisView::idle_resize (uint32_t h)
+{
+	set_height (h);
+}
+
+
+bool
+TimeAxisView::controls_ebox_motion (GdkEventMotion* ev)
+{
+	if (_resize_drag_start >= 0) {
+		/* (ab)use the DragManager to do autoscrolling; adjust the event coordinates
+		   into the world coordinate space that DragManager::motion_handler is expecting,
+		   and then fake a DragManager motion event so that when maybe_autoscroll
+		   asks DragManager for the current pointer position it will get the correct
+		   answers.
+		*/
+		int tx, ty;
+		controls_ebox.translate_coordinates (*control_parent, ev->x, ev->y, tx, ty);
+		ev->y = ty - _editor.get_trackview_group_vertical_offset();
+		_editor.drags()->motion_handler ((GdkEvent *) ev, false);
+		_editor.maybe_autoscroll (false, true);
+
+		/* now do the actual TAV resize */
+                int32_t const delta = (int32_t) floor (ev->y_root - _resize_drag_start);
+                _editor.add_to_idle_resize (this, delta);
+                _resize_drag_start = ev->y_root;
+        } else {
+		/* not dragging but ... */
+		maybe_set_cursor (ev->y);
+	}
+
+	return true;
+}
+
+bool
+TimeAxisView::controls_ebox_leave (GdkEventCrossing*)
+{
+	if (_have_preresize_cursor) {
+		gdk_window_set_cursor (controls_ebox.get_window()->gobj(), _preresize_cursor);
+		_have_preresize_cursor = false;
+	}
+	return true;
+}
+
+bool
+TimeAxisView::maybe_set_cursor (int y)
+{
+	/* XXX no Gtkmm Gdk::Window::get_cursor() */
+	Glib::RefPtr<Gdk::Window> win = controls_ebox.get_window();
+
+	if (y > (gint) floor (controls_ebox.get_height() * 0.75)) {
+
+		/* y-coordinate in lower 25% */
+
+		if (!_have_preresize_cursor) {
+			_preresize_cursor = gdk_window_get_cursor (win->gobj());
+			_have_preresize_cursor = true;
+			win->set_cursor (Gdk::Cursor(Gdk::SB_V_DOUBLE_ARROW));
+		}
+
+		return 1;
+
+	} else if (_have_preresize_cursor) {
+		gdk_window_set_cursor (win->gobj(), _preresize_cursor);
+		_have_preresize_cursor = false;
+
+		return -1;
+	}
+
+	return 0;
+}
+
 bool
 TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 {
+	if (_resize_drag_start >= 0) {
+		if (_have_preresize_cursor) {
+			gdk_window_set_cursor (controls_ebox.get_window()->gobj(), _preresize_cursor);
+			_preresize_cursor = 0;
+			_have_preresize_cursor = false;
+		}
+		_editor.stop_canvas_autoscroll ();
+		_resize_drag_start = -1;
+	}
+
 	switch (ev->button) {
 	case 1:
 		selection_click (ev);
@@ -330,57 +464,44 @@ TimeAxisView::controls_ebox_button_release (GdkEventButton* ev)
 void
 TimeAxisView::selection_click (GdkEventButton* ev)
 {
-	Selection::Operation op = Keyboard::selection_type (ev->state);
-	editor.set_selected_track (*this, op, false);
+	Selection::Operation op = ArdourKeyboard::selection_type (ev->state);
+	_editor.set_selected_track (*this, op, false);
 }
 
+
+/** Steps through the defined heights for this TrackView.
+ *  @param coarser true if stepping should decrease in size, otherwise false.
+ */
 void
-TimeAxisView::hide ()
+TimeAxisView::step_height (bool coarser)
 {
-	if (_hidden) {
-		return;
-	}
+	static const uint32_t step = 25;
 
-	canvas_display->hide();
-	controls_hbox.hide ();
-
-	if (control_parent) {
-		control_parent->remove (controls_hbox);
-		control_parent = 0;
-	}
-
-	y_position = -1;
-	_hidden = true;
-	
-	/* now hide children */
-	
-	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
-		(*i)->hide ();
-	}
-	
-	Hiding ();
-}
+	if (coarser) {
 
-void
-TimeAxisView::step_height (bool bigger)
-{
-	static const uint32_t step = 20;
+		if (height <= preset_height (HeightSmall)) {
+			return;
+		} else if (height <= preset_height (HeightNormal) && height > preset_height (HeightSmall)) {
+			set_height_enum (HeightSmall);
+		} else {
+			set_height (height - step);
+		}
 
-	if (bigger) {
-		set_height (height + step);
 	} else {
-		if (height > step) {
-			set_height (std::max (height - step, hSmall));
-		} else if (height != hSmall) {
-			set_height (hSmall);
+
+		if (height <= preset_height(HeightSmall)) {
+			set_height_enum (HeightNormal);
+		} else {
+			set_height (height + step);
 		}
+
 	}
 }
 
 void
 TimeAxisView::set_heights (uint32_t h)
 {
-	TrackSelection& ts (editor.get_selection().tracks);
+	TrackSelection& ts (_editor.get_selection().tracks);
 
 	for (TrackSelection::iterator i = ts.begin(); i != ts.end(); ++i) {
 		(*i)->set_height (h);
@@ -388,28 +509,43 @@ TimeAxisView::set_heights (uint32_t h)
 }
 
 void
-TimeAxisView::set_height(uint32_t h)
+TimeAxisView::set_height_enum (Height h, bool apply_to_selection)
+{
+	if (apply_to_selection) {
+		_editor.get_selection().tracks.foreach_time_axis (boost::bind (&TimeAxisView::set_height_enum, _1, h, false));
+	} else {
+		set_height (preset_height (h));
+	}
+}
+
+void
+TimeAxisView::set_height (uint32_t h)
 {
-	controls_ebox.property_height_request () = h;
+	if (h < preset_height (HeightSmall)) {
+		h = preset_height (HeightSmall);
+	}
+
+	time_axis_vbox.property_height_request () = h;
 	height = h;
 
+	char buf[32];
+	snprintf (buf, sizeof (buf), "%u", height);
+	set_gui_property ("height", buf);
+
 	for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 		(*i)->set_height ();
 	}
 
- 	if (canvas_item_visible (selection_group)) {
+	if (canvas_item_visible (selection_group)) {
 		/* resize the selection rect */
-		show_selection (editor.get_selection().time);
+		show_selection (_editor.get_selection().time);
 	}
-
-	reshow_feature_lines ();
 }
 
 bool
 TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 {
-	PublicEditor::TrackViewList *allviews = 0;
-	PublicEditor::TrackViewList::iterator i;
+	TrackViewList::iterator i;
 
 	switch (ev->keyval) {
 	case GDK_Escape:
@@ -419,39 +555,64 @@ TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 		return true;
 
 	/* Shift+Tab Keys Pressed. Note that for Shift+Tab, GDK actually
-	 * generates a different ev->keyval, rather than setting 
+	 * generates a different ev->keyval, rather than setting
 	 * ev->state.
 	 */
 	case GDK_ISO_Left_Tab:
 	case GDK_Tab:
+	{
 		name_entry_changed ();
-		allviews = editor.get_valid_views (0);
-		if (allviews != 0) {
-			i = find (allviews->begin(), allviews->end(), this);
-			if (ev->keyval == GDK_Tab) {
-				if (i != allviews->end()) {
-					do {
-						if (++i == allviews->end()) { return true; }
-					} while((*i)->hidden());
-				}
-			} else {
-				if (i != allviews->begin()) {
-					do {
-						if (--i == allviews->begin()) { return true; }
-					} while ((*i)->hidden());
-				}
+		TrackViewList const & allviews = _editor.get_track_views ();
+		TrackViewList::const_iterator i = find (allviews.begin(), allviews.end(), this);
+
+		if (ev->keyval == GDK_Tab) {
+			if (i != allviews.end()) {
+				do {
+					if (++i == allviews.end()) {
+						return true;
+					}
+
+					RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*>(*i);
+
+					if (rtav && rtav->route()->record_enabled()) {
+						continue;
+					}
+
+					if (!(*i)->hidden()) {
+						break;
+					}
+
+				} while (true);
 			}
+		} else {
+			if (i != allviews.begin()) {
+				do {
+					if (i == allviews.begin()) {
+						return true;
+					}
+
+					--i;
+
+					RouteTimeAxisView* rtav = dynamic_cast<RouteTimeAxisView*>(*i);
 
+					if (rtav && rtav->route()->record_enabled()) {
+						continue;
+					}
 
-			/* resize to show editable name display */
-			
-			if ((*i)->current_height() >= hSmall && (*i)->current_height() < hNormal) {
-				(*i)->set_height (hSmaller);
+					if (!(*i)->hidden()) {
+						break;
+					}
+
+				} while (true);
 			}
-			
+		}
+
+		if ((i != allviews.end()) && (*i != this) && !(*i)->hidden()) {
 			(*i)->name_entry.grab_focus();
+			_editor.ensure_time_axis_view_is_visible (**i);
 		}
-		return true;
+	}
+	return true;
 
 	case GDK_Up:
 	case GDK_Down:
@@ -462,7 +623,7 @@ TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 		break;
 	}
 
-#ifdef TIMEOUT_NAME_EDIT	
+#ifdef TIMEOUT_NAME_EDIT
 	/* adapt the timeout to reflect the user's typing speed */
 
 	guint32 name_entry_timeout;
@@ -480,14 +641,14 @@ TimeAxisView::name_entry_key_release (GdkEventKey* ev)
 	/* wait 1 seconds and if no more keys are pressed, act as if they pressed enter */
 
 	name_entry_key_timeout.disconnect();
-	name_entry_key_timeout = Glib::signal_timeout().connect (mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
+	name_entry_key_timeout = Glib::signal_timeout().connect (sigc::mem_fun (*this, &TimeAxisView::name_entry_key_timed_out), name_entry_timeout);
 #endif
 
 	return false;
 }
 
 bool
-TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
+TimeAxisView::name_entry_focus_in (GdkEventFocus*)
 {
 	name_entry.select_region (0, -1);
 	name_entry.set_name ("EditorActiveTrackNameDisplay");
@@ -495,7 +656,7 @@ TimeAxisView::name_entry_focus_in (GdkEventFocus* ev)
 }
 
 bool
-TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
+TimeAxisView::name_entry_focus_out (GdkEventFocus*)
 {
 	/* clean up */
 
@@ -503,7 +664,7 @@ TimeAxisView::name_entry_focus_out (GdkEventFocus* ev)
 	name_entry_key_timeout.disconnect ();
 	name_entry.set_name ("EditorTrackNameDisplay");
 	name_entry.select_region (0,0);
-	
+
 	/* do the real stuff */
 
 	name_entry_changed ();
@@ -551,40 +712,20 @@ TimeAxisView::name_entry_button_release (GdkEventButton *ev)
 void
 TimeAxisView::conditionally_add_to_selection ()
 {
-	Selection& s (editor.get_selection());
+	Selection& s (_editor.get_selection ());
 
 	if (!s.selected (this)) {
-		editor.set_selected_track (*this, Selection::Set);
+		_editor.set_selected_track (*this, Selection::Set);
 	}
 }
 
-
 void
 TimeAxisView::popup_display_menu (guint32 when)
 {
-	if (display_menu == 0) {
-		build_display_menu ();
-	}
-
 	conditionally_add_to_selection ();
-	display_menu->popup (1, when);	
-}
 
-gint
-TimeAxisView::size_click (GdkEventButton *ev)
-{
-	conditionally_add_to_selection ();
-	popup_size_menu (ev->time);
-	return TRUE;
-}
-
-void
-TimeAxisView::popup_size_menu (guint32 when)
-{
-	if (size_menu == 0) {
-		build_size_menu ();
-	}
-	size_menu->popup (1, when);
+	build_display_menu ();
+	display_menu->popup (1, when);
 }
 
 void
@@ -593,22 +734,16 @@ TimeAxisView::set_selected (bool yn)
 	if (yn == _selected) {
 		return;
 	}
-	
+
 	Selectable::set_selected (yn);
 
 	if (_selected) {
 		controls_ebox.set_name (controls_base_selected_name);
-		controls_hbox.set_name (controls_base_selected_name);
+		time_axis_vbox.set_name (controls_base_selected_name);
 		controls_vbox.set_name (controls_base_selected_name);
-		/* propagate any existing selection, if the mode is right */
-
-		if (editor.current_mouse_mode() == Editing::MouseRange && !editor.get_selection().time.empty()) {
-			show_selection (editor.get_selection().time);
-		}
-
 	} else {
 		controls_ebox.set_name (controls_base_unselected_name);
-		controls_hbox.set_name (controls_base_unselected_name);
+		time_axis_vbox.set_name (controls_base_unselected_name);
 		controls_vbox.set_name (controls_base_unselected_name);
 		hide_selection ();
 
@@ -621,25 +756,6 @@ TimeAxisView::set_selected (bool yn)
 			(*i)->set_selected (false);
 		}
 	}
-
-	resizer.queue_draw ();
-}
-
-void
-TimeAxisView::build_size_menu ()
-{
-	using namespace Menu_Helpers;
-
-	size_menu = new Menu;
-	size_menu->set_name ("ArdourContextMenu");
-	MenuList& items = size_menu->items();
-	
-	items.push_back (MenuElem (_("Largest"), bind (mem_fun (*this, &TimeAxisView::set_heights), hLargest)));
-	items.push_back (MenuElem (_("Large"), bind (mem_fun (*this, &TimeAxisView::set_heights), hLarge)));
-	items.push_back (MenuElem (_("Larger"), bind (mem_fun (*this, &TimeAxisView::set_heights), hLarger)));
-	items.push_back (MenuElem (_("Normal"), bind (mem_fun (*this, &TimeAxisView::set_heights), hNormal)));
-	items.push_back (MenuElem (_("Smaller"), bind (mem_fun (*this, &TimeAxisView::set_heights),hSmaller)));
-	items.push_back (MenuElem (_("Small"), bind (mem_fun (*this, &TimeAxisView::set_heights), hSmall)));
 }
 
 void
@@ -647,6 +763,8 @@ TimeAxisView::build_display_menu ()
 {
 	using namespace Menu_Helpers;
 
+	delete display_menu;
+
 	display_menu = new Menu;
 	display_menu->set_name ("ArdourContextMenu");
 
@@ -662,15 +780,10 @@ TimeAxisView::set_samples_per_unit (double spu)
 
 	AnalysisFeatureList::const_iterator i;
 	list<ArdourCanvas::SimpleLine*>::iterator l;
-
-	for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
-		(*l)->property_x1() = editor.frame_to_pixel (*i);
-		(*l)->property_x2() = editor.frame_to_pixel (*i);
-	}
 }
 
 void
-TimeAxisView::show_timestretch (nframes_t start, nframes_t end)
+TimeAxisView::show_timestretch (framepos_t start, framepos_t end)
 {
 	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 		(*i)->show_timestretch (start, end);
@@ -710,37 +823,38 @@ TimeAxisView::show_selection (TimeSelection& ts)
 
 	selection_group->show();
 	selection_group->raise_to_top();
-	
+
 	for (list<AudioRange>::iterator i = ts.begin(); i != ts.end(); ++i) {
-		nframes_t start, end, cnt;
+		framepos_t start, end;
+		framecnt_t cnt;
 
 		start = (*i).start;
 		end = (*i).end;
 		cnt = end - start + 1;
 
 		rect = get_selection_rect ((*i).id);
-		
-		x1 = editor.frame_to_unit (start);
-		x2 = editor.frame_to_unit (start + cnt - 1);
+
+		x1 = _editor.frame_to_unit (start);
+		x2 = _editor.frame_to_unit (start + cnt - 1);
 		y2 = current_height();
 
 		rect->rect->property_x1() = x1;
 		rect->rect->property_y1() = 1.0;
 		rect->rect->property_x2() = x2;
 		rect->rect->property_y2() = y2;
-		
+
 		// trim boxes are at the top for selections
-		
+
 		if (x2 > x1) {
 			rect->start_trim->property_x1() = x1;
 			rect->start_trim->property_y1() = 1.0;
 			rect->start_trim->property_x2() = x1 + trim_handle_size;
-			rect->start_trim->property_y2() = 1.0 + trim_handle_size;
+			rect->start_trim->property_y2() = y2;
 
 			rect->end_trim->property_x1() = x2 - trim_handle_size;
 			rect->end_trim->property_y1() = 1.0;
 			rect->end_trim->property_x2() = x2;
-			rect->end_trim->property_y2() = 1.0 + trim_handle_size;
+			rect->end_trim->property_y2() = y2;
 
 			rect->start_trim->show();
 			rect->end_trim->show();
@@ -777,7 +891,7 @@ TimeAxisView::hide_selection ()
 		}
 		selection_group->hide();
 	}
-	
+
 	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 		(*i)->hide_selection ();
 	}
@@ -792,15 +906,15 @@ TimeAxisView::order_selection_trims (ArdourCanvas::Item *item, bool put_start_on
 
 	for (list<SelectionRect*>::iterator i = used_selection_rects.begin(); i != used_selection_rects.end(); ++i) {
 		if ((*i)->start_trim == item || (*i)->end_trim == item) {
-			
+
 			/* make one trim handle be "above" the other so that if they overlap,
 			   the top one is the one last used.
 			*/
-			
+
 			(*i)->rect->raise_to_top ();
 			(put_start_on_top ? (*i)->start_trim : (*i)->end_trim)->raise_to_top ();
 			(put_start_on_top ? (*i)->end_trim : (*i)->start_trim)->raise_to_top ();
-			
+
 			break;
 		}
 	}
@@ -830,37 +944,35 @@ TimeAxisView::get_selection_rect (uint32_t id)
 	}
 
 	/* no existing matching rect, so go get a new one from the free list, or create one if there are none */
-	
+
 	if (free_selection_rects.empty()) {
 
 		rect = new SelectionRect;
 
 		rect->rect = new SimpleRect (*selection_group);
+		rect->rect->property_outline_what() = 0x0;
 		rect->rect->property_x1() = 0.0;
 		rect->rect->property_y1() = 0.0;
 		rect->rect->property_x2() = 0.0;
 		rect->rect->property_y2() = 0.0;
 		rect->rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SelectionRect.get();
-		rect->rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-		
+
 		rect->start_trim = new SimpleRect (*selection_group);
+		rect->start_trim->property_outline_what() = 0x0;
 		rect->start_trim->property_x1() = 0.0;
 		rect->start_trim->property_x2() = 0.0;
-		rect->start_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-		rect->start_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-		
+
 		rect->end_trim = new SimpleRect (*selection_group);
+		rect->end_trim->property_outline_what() = 0x0;
 		rect->end_trim->property_x1() = 0.0;
 		rect->end_trim->property_x2() = 0.0;
-		rect->end_trim->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
-		rect->end_trim->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_Selection.get();
 
 		free_selection_rects.push_front (rect);
 
-		rect->rect->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
-		rect->start_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
-		rect->end_trim->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
-	} 
+		rect->rect->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_rect_event), rect->rect, rect));
+		rect->start_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_start_trim_event), rect->rect, rect));
+		rect->end_trim->signal_event().connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_selection_end_trim_event), rect->rect, rect));
+	}
 
 	rect = free_selection_rects.front();
 	rect->id = id;
@@ -892,42 +1004,49 @@ TimeAxisView::remove_child (boost::shared_ptr<TimeAxisView> child)
 	}
 }
 
+/** Get selectable things within a given range.
+ *  @param start Start time in session frames.
+ *  @param end End time in session frames.
+ *  @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
+ *  @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
+ *  @param result Filled in with selectable things.
+ */
 void
-TimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& result)
+TimeAxisView::get_selectables (framepos_t /*start*/, framepos_t /*end*/, double /*top*/, double /*bot*/, list<Selectable*>& /*result*/)
 {
 	return;
 }
 
 void
-TimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
+TimeAxisView::get_inverted_selectables (Selection& /*sel*/, list<Selectable*>& /*result*/)
 {
 	return;
 }
 
 void
-TimeAxisView::add_ghost (RegionView* rv) {
+TimeAxisView::add_ghost (RegionView* rv)
+{
 	GhostRegion* gr = rv->add_ghost (*this);
-	
-	if(gr) {
+
+	if (gr) {
 		ghosts.push_back(gr);
-		gr->GoingAway.connect (mem_fun(*this, &TimeAxisView::erase_ghost));
 	}
 }
 
 void
-TimeAxisView::remove_ghost (RegionView* rv) {
+TimeAxisView::remove_ghost (RegionView* rv)
+{
 	rv->remove_ghost_in (*this);
 }
 
 void
-TimeAxisView::erase_ghost (GhostRegion* gr) {
-	if(in_destructor) {
+TimeAxisView::erase_ghost (GhostRegion* gr)
+{
+	if (in_destructor) {
 		return;
 	}
 
-	list<GhostRegion*>::iterator i;
-
-	for (i = ghosts.begin(); i != ghosts.end(); ++i) {
+	for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 		if ((*i) == gr) {
 			ghosts.erase (i);
 			break;
@@ -939,15 +1058,15 @@ bool
 TimeAxisView::touched (double top, double bot)
 {
 	/* remember: this is X Window - coordinate space starts in upper left and moves down.
-	   y_position is the "origin" or "top" of the track.
-	 */
+	  y_position is the "origin" or "top" of the track.
+	*/
+
+	double mybot = _y_position + current_height();
 
-	double mybot = y_position + current_height();
-	
-	return ((y_position <= bot && y_position >= top) || 
-		((mybot <= bot) && (top < mybot)) || 
-		(mybot >= bot && y_position < top));
-}		
+	return ((_y_position <= bot && _y_position >= top) ||
+		((mybot <= bot) && (top < mybot)) ||
+		(mybot >= bot && _y_position < top));
+}
 
 void
 TimeAxisView::set_parent (TimeAxisView& p)
@@ -955,81 +1074,8 @@ TimeAxisView::set_parent (TimeAxisView& p)
 	parent = &p;
 }
 
-bool
-TimeAxisView::has_state () const
-{
-	return _has_state;
-}
-
-TimeAxisView*
-TimeAxisView::get_parent_with_state ()
-{
-	if (parent == 0) {
-		return 0;
-	}
-
-	if (parent->has_state()) {
-		return parent;
-	} 
-
-	return parent->get_parent_with_state ();
-}		
-
-
-XMLNode&
-TimeAxisView::get_state ()
-{
-	XMLNode* node = new XMLNode ("TAV-" + name());
-	char buf[32];
-
-	snprintf (buf, sizeof(buf), "%u", height);
-	node->add_property ("height", buf);
-	node->add_property ("marked_for_display", (_marked_for_display ? "1" : "0"));
-	return *node;
-}
-
-int
-TimeAxisView::set_state (const XMLNode& node)
-{
-	const XMLProperty *prop;
-
-	if ((prop = node.property ("marked_for_display")) != 0) {
-		_marked_for_display = (prop->value() == "1");
-	}
-
-	if ((prop = node.property ("track_height")) != 0) {
-
-		if (prop->value() == "largest") {
-			set_height (hLargest);
-		} else if (prop->value() == "large") {
-			set_height (hLarge);
-		} else if (prop->value() == "larger") {
-			set_height (hLarger);
-		} else if (prop->value() == "normal") {
-			set_height (hNormal);
-		} else if (prop->value() == "smaller") {
-			set_height (hSmaller);
-		} else if (prop->value() == "small") {
-			set_height (hSmall);
-		} else {
-			error << string_compose(_("unknown track height name \"%1\" in XML GUI information"), prop->value()) << endmsg;
-			set_height (Normal);
-		}
-
-	} else if ((prop = node.property ("height")) != 0) {
-
-		set_height (atoi (prop->value()));
-		
-	} else {
-
-		set_height (hNormal);
-	}
-
-	return 0;
-}
-
 void
-TimeAxisView::reset_height()
+TimeAxisView::reset_height ()
 {
 	set_height (height);
 
@@ -1037,18 +1083,18 @@ TimeAxisView::reset_height()
 		(*i)->set_height ((*i)->height);
 	}
 }
-	
+
 void
-TimeAxisView::compute_controls_size_info ()
+TimeAxisView::compute_heights ()
 {
 	Gtk::Window window (Gtk::WINDOW_TOPLEVEL);
 	Gtk::Table two_row_table (2, 8);
 	Gtk::Table one_row_table (1, 8);
 	Button* buttons[5];
 	const int border_width = 2;
-	const int extra_height = (2 * border_width); 
-		+ 2   // 2 pixels for the hseparator between TimeAxisView control areas
-		+ 10; // resizer button (3 x 2 pixel elements + 2 x 2 pixel gaps)
+
+	const int separator_height = 2;
+	extra_height = (2 * border_width) + separator_height;
 
 	window.add (one_row_table);
 
@@ -1068,42 +1114,12 @@ TimeAxisView::compute_controls_size_info ()
 	}
 
 	one_row_table.attach (*buttons[0], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-	
+
 	one_row_table.show_all ();
 	Gtk::Requisition req(one_row_table.size_request ());
 
-
 	// height required to show 1 row of buttons
-
-	hSmaller = req.height + extra_height;
-
-	window.remove ();
-	window.add (two_row_table);
-
-	two_row_table.attach (*buttons[1], 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-	two_row_table.attach (*buttons[2], 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-	two_row_table.attach (*buttons[3], 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-	two_row_table.attach (*buttons[4], 8, 9, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
-
-	two_row_table.show_all ();
-	req = two_row_table.size_request ();
-
-	cerr << "Normal height is " << req.height << " + " << extra_height << endl;
-
-	// height required to show all normal buttons 
-
-	hNormal = /*req.height*/ 48 + extra_height;
-
-	// these heights are all just larger than normal. no more 
-	// elements are visible (yet).
-
-	hLarger = hNormal + 50;
-	hLarge = hNormal + 150;
-	hLargest = hNormal + 250;
-
-	// height required to show track name
-
-	hSmall = 27;
+	button_height = req.height;
 }
 
 void
@@ -1149,7 +1165,7 @@ TimeAxisView::hide_name_entry ()
 void
 TimeAxisView::color_handler ()
 {
-	for (list<GhostRegion*>::iterator i=ghosts.begin(); i != ghosts.end(); i++ ) {
+	for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); i++) {
 		(*i)->set_colors();
 	}
 
@@ -1178,153 +1194,116 @@ TimeAxisView::color_handler ()
 	}
 }
 
-TimeAxisView*
+/** @return Pair: TimeAxisView, layer index.
+ * TimeAxisView is non-0 if this object covers y, or one of its children does.
+ * If the covering object is a child axis, then the child is returned.
+ * TimeAxisView is 0 otherwise.
+ * Layer index is the layer number if the TimeAxisView is valid and is in stacked
+ * region display mode, otherwise 0.
+ */
+std::pair<TimeAxisView*, layer_t>
 TimeAxisView::covers_y_position (double y)
 {
 	if (hidden()) {
-		return 0;
+		return std::make_pair ((TimeAxisView *) 0, 0);
 	}
 
-	cerr << name() << " check for " << y << " within " << y_position << " and + " << height << endl;
+	if (_y_position <= y && y < (_y_position + height)) {
 
-	if (y_position <= y && y < (y_position + height)) {
-		return this;
+		/* work out the layer index if appropriate */
+		layer_t l = 0;
+		if (layer_display () == Stacked && view ()) {
+			/* compute layer */
+			l = layer_t ((_y_position + height - y) / (view()->child_height ()));
+			/* clamp to max layers to be on the safe side; sometimes the above calculation
+			  returns a too-high value */
+			if (l >= view()->layers ()) {
+				l = view()->layers() - 1;
+			}
+		}
+
+		return std::make_pair (this, l);
 	}
 
-	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
-		TimeAxisView* tv;
+	for (Children::const_iterator i = children.begin(); i != children.end(); ++i) {
 
-		if ((tv = (*i)->covers_y_position (y)) != 0) {
-			return tv;
+		std::pair<TimeAxisView*, int> const r = (*i)->covers_y_position (y);
+		if (r.first) {
+			return r;
 		}
 	}
 
-	return 0;
+	return std::make_pair ((TimeAxisView *) 0, 0);
 }
 
-void
-TimeAxisView::show_feature_lines (const AnalysisFeatureList& pos)
-{
-	analysis_features = pos;
-	reshow_feature_lines ();
-}
 
-
-void
-TimeAxisView::hide_feature_lines ()
+uint32_t
+TimeAxisView::preset_height (Height h)
 {
-	list<ArdourCanvas::SimpleLine*>::iterator l;
-
-	for (l = feature_lines.begin(); l != feature_lines.end(); ++l) {
-		(*l)->hide();
-	}
+	switch (h) {
+	case HeightLargest:
+		return (button_height * 2) + extra_height + 250;
+	case HeightLarger:
+		return (button_height * 2) + extra_height + 150;
+	case HeightLarge:
+		return (button_height * 2) + extra_height + 50;
+	case HeightNormal:
+		return (button_height * 2) + extra_height;
+	case HeightSmall:
+		return button_height + extra_height;
+	}
+
+	/* NOTREACHED */
+	return 0;
 }
 
-void
-TimeAxisView::reshow_feature_lines ()
+/** @return Child time axis views that are not hidden */
+TimeAxisView::Children
+TimeAxisView::get_child_list ()
 {
-	while (feature_lines.size()< analysis_features.size()) {
-		ArdourCanvas::SimpleLine* l = new ArdourCanvas::SimpleLine (*canvas_display);
-		l->property_color_rgba() = (guint) ARDOUR_UI::config()->canvasvar_ZeroLine.get();
-		feature_lines.push_back (l);
-	}
-
-	while (feature_lines.size() > analysis_features.size()) {
-		ArdourCanvas::SimpleLine *line = feature_lines.back();
-		feature_lines.pop_back ();
-		delete line;
-	}
-
-	AnalysisFeatureList::const_iterator i;
-	list<ArdourCanvas::SimpleLine*>::iterator l;
+	Children c;
 
-	for (i = analysis_features.begin(), l = feature_lines.begin(); i != analysis_features.end() && l != feature_lines.end(); ++i, ++l) {
-		(*l)->property_x1() = editor.frame_to_pixel (*i);
-		(*l)->property_x2() = editor.frame_to_pixel (*i);
-		(*l)->property_y1() = 0;
-		(*l)->property_y2() = current_height();
-		(*l)->show ();
+	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
+		if (!(*i)->hidden()) {
+			c.push_back(*i);
+		}
 	}
-}
 
-bool
-TimeAxisView::resizer_button_press (GdkEventButton* event)
-{
-	resize_drag_start = event->y_root;
-	resize_idle_target = current_height();
-	editor.start_resize_line_ops ();
-	return true;
-}
-
-bool
-TimeAxisView::resizer_button_release (GdkEventButton* ev)
-{
-	resize_drag_start = -1;
-	editor.end_resize_line_ops ();
-	return true;
+	return c;
 }
 
 void
-TimeAxisView::idle_resize (uint32_t h)
-{
-	set_height (h);
-}
-
-bool
-TimeAxisView::resizer_motion (GdkEventMotion* ev)
+TimeAxisView::build_size_menu ()
 {
-	if (resize_drag_start < 0) {
-		return true;
+	if (_size_menu && _size_menu->gobj ()) {
+		return;
 	}
 
-	int32_t delta = (int32_t) floor (resize_drag_start - ev->y_root);
+	delete _size_menu;
 
-	resize_idle_target = std::max (resize_idle_target - delta, (int) hSmall);
-	editor.add_to_idle_resize (this, resize_idle_target);
-	
-	resize_drag_start = ev->y_root;
+	using namespace Menu_Helpers;
 
-	return true;
+	_size_menu = new Menu;
+	_size_menu->set_name ("ArdourContextMenu");
+	MenuList& items = _size_menu->items();
+
+	items.push_back (MenuElem (_("Largest"), sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLargest, true)));
+	items.push_back (MenuElem (_("Larger"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarger, true)));
+	items.push_back (MenuElem (_("Large"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightLarge, true)));
+	items.push_back (MenuElem (_("Normal"),  sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightNormal, true)));
+	items.push_back (MenuElem (_("Small"),   sigc::bind (sigc::mem_fun (*this, &TimeAxisView::set_height_enum), HeightSmall, true)));
 }
 
-bool
-TimeAxisView::resizer_expose (GdkEventExpose* event)
+void
+TimeAxisView::reset_visual_state ()
 {
-	int w, h, x, y, d;
-	Glib::RefPtr<Gdk::Window> win (resizer.get_window());
-	Glib::RefPtr<Gdk::GC> dark (resizer.get_style()->get_fg_gc (STATE_NORMAL));
-	Glib::RefPtr<Gdk::GC> light (resizer.get_style()->get_bg_gc (STATE_NORMAL));
-
-	win->draw_rectangle (controls_ebox.get_style()->get_bg_gc(STATE_NORMAL),
-			     true,
-			     event->area.x,
-			     event->area.y,
-			     event->area.width,
-			     event->area.height);
+	/* this method is not required to trigger a global redraw */
 
-	win->get_geometry (x, y, w, h, d);
+	string str = gui_property ("height");
 
-	/* handle/line #1 */
-	
-	win->draw_line (dark, 0, 0, w - 2, 0);
-	win->draw_point (dark, 0, 1);
-	win->draw_line (light, 1, 1, w - 1, 1);
-	win->draw_point (light, w - 1, 0);
-
-	/* handle/line #2 */
-
-	win->draw_line (dark, 0, 4, w - 2, 4);
-	win->draw_point (dark, 0, 5);
-	win->draw_line (light, 1, 5, w - 1, 5);
-	win->draw_point (light, w - 1, 4);
-
-	/* handle/line #3 */
-
-	win->draw_line (dark, 0, 8, w - 2, 8);
-	win->draw_point (dark, 0, 9);
-	win->draw_line (light, 1, 9, w - 1, 9);
-	win->draw_point (light, w - 1, 8);
-
-	return true;
+	if (!str.empty()) {
+		set_height (atoi (str));
+	} else {
+		set_height (preset_height (HeightNormal));
+	}
 }
-