Patch from lincoln to add track resize buttons to the top-left corner of the editor (underneath the zoom buttons). Mantis 2768.

git-svn-id: svn://localhost/ardour2/branches/3.0@5587 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/editor.cc

@@ -2915,11 +2915,31 @@ Editor::setup_toolbar ()
 	zoom_box.pack_start (zoom_out_button, false, false);
 	zoom_box.pack_start (zoom_in_button, false, false);
 	zoom_box.pack_start (zoom_out_full_button, false, false);
+	
+	/* Track zoom buttons */
+	tav_expand_button.set_name ("TrackHeightButton");
+	tav_expand_button.set_size_request(-1,20);
+	tav_expand_button.add (*(manage (new Image (::get_icon("tav_exp")))));
+	tav_expand_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::tav_zoom_step), true));
+	ARDOUR_UI::instance()->tooltips().set_tip (tav_expand_button, _("Expand Tracks"));
+	
+	tav_shrink_button.set_name ("TrackHeightButton");
+	tav_shrink_button.set_size_request(-1,20);
+	tav_shrink_button.add (*(manage (new Image (::get_icon("tav_shrink")))));
+	tav_shrink_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::tav_zoom_step), false));
+	ARDOUR_UI::instance()->tooltips().set_tip (tav_shrink_button, _("Shrink Tracks"));
 
+	track_zoom_box.set_spacing (1);
+	track_zoom_box.set_border_width (0);
+
+	track_zoom_box.pack_start (tav_shrink_button, false, false);	
+	track_zoom_box.pack_start (tav_expand_button, false, false);
+	
 	HBox* zbc = manage (new HBox);
 	zbc->pack_start (zoom_focus_selector, PACK_SHRINK);
 	zoom_vbox.pack_start (*zbc, PACK_SHRINK);
 	zoom_vbox.pack_start (zoom_box, PACK_SHRINK);
+	zoom_vbox.pack_start (track_zoom_box, PACK_SHRINK);
 
 	snap_box.set_spacing (1);
 	snap_box.set_border_width (2);

gtk2_ardour/editor.h

@@ -308,6 +308,7 @@ class Editor : public PublicEditor
 	double             get_current_zoom () const { return frames_per_unit; }
 
 	void temporal_zoom_step (bool coarser);
+	void tav_zoom_step (bool coarser);
 
 	/* stuff that AudioTimeAxisView and related classes use */
 
@@ -1510,6 +1511,9 @@ public:
 	Gtk::Button              zoom_out_full_button;
 	Gtk::Button              zoom_onetoone_button;
 
+	Gtk::Button              tav_expand_button;
+	Gtk::Button              tav_shrink_button;
+	
 	Gtk::VBox                toolbar_clock_vbox;
 	Gtk::VBox                toolbar_selection_clock_vbox; 
 	Gtk::Table               toolbar_selection_clock_table;
@@ -1569,6 +1573,7 @@ public:
 	Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
 
 	Gtk::HBox           zoom_box;
+	Gtk::HBox           track_zoom_box;
 	Gtk::VBox           zoom_vbox;
 
 	void                zoom_adjustment_changed();

gtk2_ardour/editor_ops.cc

@@ -1515,6 +1515,21 @@ Editor::scroll_tracks_up_line ()
 
 /* ZOOM */
 
+void
+Editor::tav_zoom_step (bool coarser)
+{
+	ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::temporal_zoom_step), coarser));
+	
+	_routes->suspend_redisplay ();
+
+	for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+		TimeAxisView *tv = (static_cast<TimeAxisView*>(*i));
+			tv->step_height (coarser);
+	}
+
+	_routes->resume_redisplay ();
+}	
+
 void
 Editor::temporal_zoom_step (bool coarser)
 {

gtk2_ardour/time_axis_view.cc

@@ -133,6 +133,7 @@ TimeAxisView::TimeAxisView (ARDOUR::Session& sess, PublicEditor& ed, TimeAxisVie
 
 	name_hbox.show ();
 
+	controls_table.set_size_request (200);
 	controls_table.set_border_width (2);
 	controls_table.set_row_spacings (0);
 	controls_table.set_col_spacings (0);