fix a few things related to fit-to-tracks and toggle-visual-state (from 2.0)

git-svn-id: svn://localhost/ardour2/branches/3.0@3967 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/editor.cc

@@ -4522,12 +4522,13 @@ void
 Editor::use_visual_state (VisualState& vs)
 {
 	no_save_visual = true;
+	no_route_list_redisplay = true;
 
 	vertical_adjustment.set_value (vs.y_position);
 
 	set_zoom_focus (vs.zoom_focus);
 	reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
-
+	
 	for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
 		TrackViewList::iterator t;
 
@@ -4538,10 +4539,14 @@ Editor::use_visual_state (VisualState& vs)
 		}
 	}
 
+
 	if (!vs.track_states.empty()) {
 		update_route_visibility ();
 	} 
-	
+
+	no_route_list_redisplay = false;
+	redisplay_route_list ();
+
 	no_save_visual = false;
 }
 

gtk2_ardour/editor_ops.cc

@@ -6108,16 +6108,53 @@ Editor::fit_tracks ()
 	uint32_t h = (uint32_t) floor ((canvas_height - child_heights - canvas_timebars_vsize)/selection->tracks.size());
 	double first_y_pos = DBL_MAX;
 
+	if (h < TimeAxisView::hSmall) {
+		MessageDialog msg (*this, _("There are too many selected tracks to fit in the current window"));
+		/* too small to be displayed */
+		return;
+	}
+
 	undo_visual_stack.push_back (current_visual_state());
 	
-	for (TrackSelection::iterator t = selection->tracks.begin(); t != selection->tracks.end(); ++t) {
-		(*t)->set_height (h);
-		first_y_pos = std::min ((*t)->y_position, first_y_pos);
+	/* operate on all tracks, hide unselected ones that are in the middle of selected ones */
+	
+	bool prev_was_selected = false;
+	bool is_selected = selection->selected (track_views.front());
+	bool next_is_selected;
+
+	for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
+
+		bool pws;
+
+		TrackViewList::iterator next;
+		
+		next = t;
+		++next;
+		
+		if (next != track_views.end()) {
+			next_is_selected = selection->selected (*next);
+		} else {
+			next_is_selected = false;
+		}
+
+		if (is_selected) {
+			(*t)->set_height (h);
+			first_y_pos = std::min ((*t)->y_position, first_y_pos);
+		} else {
+			if (prev_was_selected && next_is_selected) {
+				hide_track_in_display (**t);
+			}
+		}
+
+		prev_was_selected = is_selected;
+		is_selected = next_is_selected;
 	}
+
 	/* 
 	   set the controls_layout height now, because waiting for its size 
 	   request signal handler will cause the vertical adjustment setting to fail 
 	*/ 
+
 	controls_layout.property_height () = full_canvas_height - canvas_timebars_vsize;
 	vertical_adjustment.set_value (first_y_pos);
 

gtk2_ardour/editor_route_list.cc

@@ -242,9 +242,6 @@ Editor::hide_track_in_display (TimeAxisView& tv, bool temponly)
 	for (i = rows.begin(); i != rows.end(); ++i) {
 		if ((*i)[route_display_columns.tv] == &tv) { 
 			(*i)[route_display_columns.visible] = false;
-			// if (temponly) {
-			tv.set_marked_for_display (false);
-			// }
 			break;
 		}
 	}
@@ -266,7 +263,6 @@ Editor::show_track_in_display (TimeAxisView& tv)
 	for (i = rows.begin(); i != rows.end(); ++i) {
 		if ((*i)[route_display_columns.tv] == &tv) { 
 			(*i)[route_display_columns.visible] = true;
-			tv.set_marked_for_display (true);
 			break;
 		}
 	}

gtk2_ardour/editor_selection.cc

@@ -161,7 +161,13 @@ Editor::extend_selection_to_track (TimeAxisView& view)
 void
 Editor::select_all_tracks ()
 {
-	selection->set (track_views);
+	TrackViewList visible_views;
+	for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+		if ((*i)->marked_for_display()) {
+			visible_views.push_back (*i);
+		}
+	}
+	selection->set (visible_views);
 }
 
 void

gtk2_ardour/time_axis_view.cc

@@ -355,6 +355,10 @@ TimeAxisView::hide ()
 	for (Children::iterator i = children.begin(); i != children.end(); ++i) {
 		(*i)->hide ();
 	}
+
+	/* if its hidden, it cannot be selected */
+
+	editor.get_selection().remove (this);
 	
 	Hiding ();
 }