Various tweaks to the port matrix.

git-svn-id: svn://localhost/ardour2/branches/3.0@5380 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/global_port_matrix.cc

@@ -128,12 +128,30 @@ GlobalPortMatrixWindow::GlobalPortMatrixWindow (ARDOUR::Session& s, ARDOUR::Data
 	   people with very large monitors */
 	
 	resize (32768, 32768);
+
+	_port_matrix.MaxSizeChanged.connect (mem_fun (*this, &GlobalPortMatrixWindow::max_size_changed));
 }
 
 void
 GlobalPortMatrixWindow::on_realize ()
 {
 	Window::on_realize ();
+	set_max_size ();
+}
+
+void
+GlobalPortMatrixWindow::max_size_changed ()
+{
+	set_max_size ();
+	resize (32768, 32768);
+}
+
+void
+GlobalPortMatrixWindow::set_max_size ()
+{
+	if ((get_flags() & Gtk::REALIZED) == 0) {
+		return;
+	}
 	
 	pair<uint32_t, uint32_t> const m = _port_matrix.max_size ();
 	

gtk2_ardour/global_port_matrix.h

@@ -64,6 +64,8 @@ public:
 
 private:
 	void on_realize ();
+	void max_size_changed ();
+	void set_max_size ();
 	
 	GlobalPortMatrix _port_matrix;
 	Gtk::Button _rescan_button;

gtk2_ardour/port_group.cc

@@ -421,9 +421,7 @@ PortGroupList::bundles () const
 	_bundles.clear ();
 	
 	for (PortGroupList::List::const_iterator i = begin (); i != end (); ++i) {
-		if ((*i)->visible()) {
-			std::copy ((*i)->bundles().begin(), (*i)->bundles().end(), std::back_inserter (_bundles));
-		}
+		std::copy ((*i)->bundles().begin(), (*i)->bundles().end(), std::back_inserter (_bundles));
 	}
 	
 	return _bundles;

gtk2_ardour/port_matrix.cc

@@ -50,8 +50,7 @@ PortMatrix::PortMatrix (ARDOUR::Session& session, ARDOUR::DataType type)
 	  _column_index (1),
 	  _min_height_divisor (1),
 	  _show_only_bundles (false),
-	  _inhibit_toggle_show_only_bundles (false),
-	  _realized (false)
+	  _inhibit_toggle_show_only_bundles (false)
 {
 	_body = new PortMatrixBody (this);
 
@@ -115,7 +114,7 @@ PortMatrix::routes_changed ()
 void
 PortMatrix::setup ()
 {
-	if (!_realized) {
+	if ((get_flags () & Gtk::REALIZED) == 0) {
 		select_arrangement ();
 	}
 
@@ -461,15 +460,7 @@ PortMatrix::max_size () const
 }
 
 void
-PortMatrix::on_realize ()
+PortMatrix::setup_max_size ()
 {
-	Widget::on_realize ();
-	_realized = true;
-}
-
-void
-PortMatrix::on_unrealize ()
-{
-	Widget::on_unrealize ();
-	_realized = false;
+	MaxSizeChanged ();
 }

gtk2_ardour/port_matrix.h

@@ -110,6 +110,8 @@ public:
 	void setup_all_ports ();
 
 	std::pair<uint32_t, uint32_t> max_size () const;
+	void setup_max_size ();
+	sigc::signal<void> MaxSizeChanged;
 
 	/** @param c Channels; where c[0] is from _ports[0] and c[1] is from _ports[1].
 	 *  @param s New state.
@@ -160,8 +162,6 @@ private:
 	void hide_group (boost::weak_ptr<PortGroup>);
 	void show_group (boost::weak_ptr<PortGroup>);
 	void toggle_show_only_bundles ();
-	void on_realize ();
-	void on_unrealize ();
 
 	/// port type that we are working with
 	ARDOUR::DataType _type;

gtk2_ardour/port_matrix_body.cc

@@ -471,6 +471,7 @@ void
 PortMatrixBody::component_size_changed ()
 {
 	compute_rectangles ();
+	_matrix->setup_max_size ();
 	_matrix->setup_scrollbars ();
 }
 

gtk2_ardour/port_matrix_column_labels.cc

@@ -150,7 +150,7 @@ PortMatrixColumnLabels::render (cairo_t* cr)
 
 		/* compute width of this group */
 		uint32_t w = 0;
-		if (!(*i)->visible() || (*i)->bundles().empty()) {
+		if (!(*i)->visible()) {
 			w = grid_spacing ();
 		} else {
 			if (_matrix->show_only_bundles()) {
@@ -158,7 +158,11 @@ PortMatrixColumnLabels::render (cairo_t* cr)
 			} else {
 				w = (*i)->total_channels() * grid_spacing();
 			}
-			}
+		}
+
+		if (w == 0) {
+			continue;
+		}
 		
 		/* rectangle */
 		set_source_rgb (cr, get_a_group_colour (g));

gtk2_ardour/port_matrix_row_labels.cc

@@ -121,7 +121,7 @@ PortMatrixRowLabels::render (cairo_t* cr)
 
 		/* compute height of this group */
 		double h = 0;
-		if (!(*i)->visible() || (*i)->bundles().empty()) {
+		if (!(*i)->visible()) {
 			h = grid_spacing ();
 		} else {
 			if (_matrix->show_only_bundles()) {
@@ -131,6 +131,10 @@ PortMatrixRowLabels::render (cairo_t* cr)
 			}
 		}
 
+		if (h == 0) {
+			continue;
+		}
+		
 		/* rectangle */
 		set_source_rgb (cr, get_a_group_colour (g));
 		double const rw = _highest_group_name + 2 * name_pad();