X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fport_matrix_component.cc;h=5e11527d299fefc4f4369d7021905a0541320979;hb=fdf63ace6a655f772a46e73719de14f9dd6fb940;hp=c6a26d41de6f9f20808cf4ee9f42ef8821100b7b;hpb=be40312e01ea36e1aaa86cae8551e42353849bc2;p=ardour.git

diff --git a/gtk2_ardour/port_matrix_component.cc b/gtk2_ardour/port_matrix_component.cc
index c6a26d41de..5e11527d29 100644
--- a/gtk2_ardour/port_matrix_component.cc
+++ b/gtk2_ardour/port_matrix_component.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2002-2009 Paul Davis 
+    Copyright (C) 2002-2009 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
@@ -21,8 +21,11 @@
 #include "port_matrix.h"
 #include "port_matrix_body.h"
 
+using namespace std;
+
 /** Constructor.
- *  @param p Port matrix that we're in.
+ *  @param m Port matrix that we're in.
+ *  @param b Port matrix body that we're in.
  */
 PortMatrixComponent::PortMatrixComponent (PortMatrix* m, PortMatrixBody* b)
 	: _matrix (m),
@@ -31,14 +34,14 @@ PortMatrixComponent::PortMatrixComponent (PortMatrix* m, PortMatrixBody* b)
 	  _render_required (true),
 	  _dimension_computation_required (true)
 {
-	
+
 }
 
 /** Destructor */
 PortMatrixComponent::~PortMatrixComponent ()
 {
 	if (_pixmap) {
-		gdk_pixmap_unref (_pixmap);
+		g_object_unref (_pixmap);
 	}
 }
 
@@ -71,7 +74,7 @@ PortMatrixComponent::get_pixmap (GdkDrawable *drawable)
 
 		/* make a pixmap of the right size */
 		if (_pixmap) {
-			gdk_pixmap_unref (_pixmap);
+			g_object_unref (_pixmap);
 		}
 		_pixmap = gdk_pixmap_new (drawable, _width, _height, -1);
 
@@ -98,7 +101,7 @@ PortMatrixComponent::set_source_rgba (cairo_t *cr, Gdk::Color const & c, double
 	cairo_set_source_rgba (cr, c.get_red_p(), c.get_green_p(), c.get_blue_p(), a);
 }
 
-std::pair<uint32_t, uint32_t>
+pair<uint32_t, uint32_t>
 PortMatrixComponent::dimensions ()
 {
 	if (_dimension_computation_required) {
@@ -107,7 +110,7 @@ PortMatrixComponent::dimensions ()
 		_body->component_size_changed ();
 	}
 
-	return std::make_pair (_width, _height);
+	return make_pair (_width, _height);
 }
 
 Gdk::Color
@@ -115,3 +118,99 @@ PortMatrixComponent::background_colour ()
 {
 	return _matrix->get_style()->get_bg (Gtk::STATE_NORMAL);
 }
+
+/** @param g Group.
+ *  @return Visible size of the group in grid units, taking visibility and show_only_bundles into account.
+ */
+uint32_t
+PortMatrixComponent::group_size (boost::shared_ptr<const PortGroup> g) const
+{
+	uint32_t s = 0;
+
+	PortGroup::BundleList const & bundles = g->bundles ();
+	if (_matrix->show_only_bundles()) {
+		s = bundles.size();
+	} else {
+		for (PortGroup::BundleList::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
+			s += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels());
+		}
+	}
+
+	return s;
+}
+
+/** @param bc Channel.
+ *  @param group Group.
+ *  @return Position of bc in groups in grid units, taking show_only_bundles into account.
+ */
+uint32_t
+PortMatrixComponent::channel_to_position (ARDOUR::BundleChannel bc, boost::shared_ptr<const PortGroup> group) const
+{
+	uint32_t p = 0;
+
+	PortGroup::BundleList const & bundles = group->bundles ();
+
+	for (PortGroup::BundleList::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
+
+		if ((*i)->bundle == bc.bundle) {
+
+			/* found the bundle */
+
+			if (_matrix->show_only_bundles()) {
+				return p;
+			} else {
+				return p + bc.bundle->overall_channel_to_type (_matrix->type (), bc.channel);
+			}
+
+		}
+
+		/* move past this bundle */
+
+		if (_matrix->show_only_bundles()) {
+			p += 1;
+		} else {
+			p += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels());
+		}
+	}
+
+	return 0;
+}
+
+
+ARDOUR::BundleChannel
+PortMatrixComponent::position_to_channel (double p, double, boost::shared_ptr<const PortGroup> group) const
+{
+	p /= grid_spacing ();
+
+	PortGroup::BundleList const & bundles = group->bundles ();
+	for (PortGroup::BundleList::const_iterator j = bundles.begin(); j != bundles.end(); ++j) {
+
+		if (_matrix->show_only_bundles()) {
+
+			if (p < 1) {
+				return ARDOUR::BundleChannel ((*j)->bundle, -1);
+			} else {
+				p -= 1;
+			}
+
+		} else {
+
+			ARDOUR::ChanCount const N = (*j)->bundle->nchannels ();
+
+			uint32_t const s = _matrix->count_of_our_type_min_1 (N);
+			if (p < s) {
+				if (p < _matrix->count_of_our_type (N)) {
+					return ARDOUR::BundleChannel ((*j)->bundle, (*j)->bundle->type_channel_to_overall (_matrix->type (), p));
+				} else {
+					return ARDOUR::BundleChannel (boost::shared_ptr<ARDOUR::Bundle> (), -1);
+				}
+			} else {
+				p -= s;
+			}
+
+		}
+
+	}
+
+	return ARDOUR::BundleChannel (boost::shared_ptr<ARDOUR::Bundle> (), -1);
+}