Scale the port matrix with the GUI/font-scaling setting.

gtk2_ardour/port_matrix.cc

@@ -47,6 +47,7 @@
 #include "port_matrix_body.h"
 #include "port_matrix_component.h"
 #include "utils.h"
+#include "ui_config.h"
 
 #include "pbd/i18n.h"
 
@@ -113,6 +114,8 @@ PortMatrix::PortMatrix (Window* parent, Session* session, DataType type)
 	_vspacer.show ();
 	_vnotebook.show ();
 	_hnotebook.show ();
+
+	UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &PortMatrix::parameter_changed));
 }
 
 PortMatrix::~PortMatrix ()
@@ -1256,3 +1259,11 @@ PortMatrix::key_press (GdkEventKey* k)
 
 	return false;
 }
+
+void
+PortMatrix::parameter_changed (string p)
+{
+	if (p == "font-scale") {
+		setup ();
+	}
+}

gtk2_ardour/port_matrix.h

@@ -206,6 +206,7 @@ private:
 	void update_tab_highlighting ();
 	std::pair<int, int> check_flip () const;
 	bool can_flip () const;
+	void parameter_changed (std::string);
 
 	Gtk::Window* _parent;
 

gtk2_ardour/port_matrix_body.cc

@@ -28,6 +28,7 @@
 #include "port_matrix_column_labels.h"
 #include "port_matrix_row_labels.h"
 #include "port_matrix_grid.h"
+#include "ui_config.h"
 
 #include "pbd/i18n.h"
 
@@ -73,6 +74,7 @@ PortMatrixBody::on_expose_event (GdkEventExpose* event)
 		/* nothing to connect */
 
 		cairo_t* cr = gdk_cairo_create (get_window()->gobj());
+		cairo_set_font_size (cr, UIConfiguration::instance().get_ui_scale() * 10);
 
 		cairo_set_source_rgb (cr, 0, 0, 0);
 		cairo_rectangle (cr, 0, 0, _alloc_width, _alloc_height);
@@ -130,6 +132,7 @@ PortMatrixBody::on_expose_event (GdkEventExpose* event)
 	}
 
 	cairo_t* cr = gdk_cairo_create (get_window()->gobj());
+	cairo_set_font_size (cr, UIConfiguration::instance().get_ui_scale() * 10);
 
 	for (list<PortMatrixComponent*>::iterator i = _components.begin(); i != _components.end(); ++i) {
 		cairo_save (cr);

gtk2_ardour/port_matrix_column_labels.cc

@@ -27,6 +27,7 @@
 #include "port_matrix_column_labels.h"
 #include "port_matrix.h"
 #include "port_matrix_body.h"
+#include "ui_config.h"
 
 #include "pbd/i18n.h"
 
@@ -44,6 +45,7 @@ PortMatrixColumnLabels::compute_dimensions ()
 {
 	cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 200);
 	cairo_t* cr = cairo_create (surface);
+	cairo_set_font_size (cr, UIConfiguration::instance().get_ui_scale() * 10);
 
 	/* width of the longest bundle name */
 	_longest_bundle_name = 0;

gtk2_ardour/port_matrix_component.cc

@@ -21,6 +21,7 @@
 #include "port_matrix_component.h"
 #include "port_matrix.h"
 #include "port_matrix_body.h"
+#include "ui_config.h"
 
 using namespace std;
 
@@ -81,6 +82,7 @@ PortMatrixComponent::get_pixmap (GdkDrawable *drawable)
 
 		/* render */
 		cairo_t* cr = gdk_cairo_create (_pixmap);
+		cairo_set_font_size (cr, UIConfiguration::instance().get_ui_scale() * 10);
 		render (cr);
 		cairo_destroy (cr);
 
@@ -215,3 +217,9 @@ PortMatrixComponent::position_to_channel (double p, double, boost::shared_ptr<co
 
 	return ARDOUR::BundleChannel (boost::shared_ptr<ARDOUR::Bundle> (), -1);
 }
+
+uint32_t
+PortMatrixComponent::grid_spacing ()
+{
+	return UIConfiguration::instance().get_ui_scale() * 24;
+}

gtk2_ardour/port_matrix_component.h

@@ -76,9 +76,7 @@ public:
 	}
 
 	/** @return grid spacing */
-	static uint32_t grid_spacing () {
-		return 24;
-	}
+	static uint32_t grid_spacing ();
 
 protected:
 

gtk2_ardour/port_matrix_row_labels.cc

@@ -30,6 +30,7 @@
 #include "port_matrix_column_labels.h"
 #include "port_matrix.h"
 #include "port_matrix_body.h"
+#include "ui_config.h"
 #include "pbd/i18n.h"
 
 using namespace std;
@@ -46,6 +47,7 @@ PortMatrixRowLabels::compute_dimensions ()
 {
 	cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 200);
 	cairo_t* cr = cairo_create (surface);
+	cairo_set_font_size (cr, UIConfiguration::instance().get_ui_scale() * 10);
 
 	_longest_port_name = 0;
 	_longest_bundle_name = 0;