replace ::cast_dynamic() with relevant ActionManager::get_*_action() calls
[ardour.git] / gtk2_ardour / port_matrix_component.cc
index c6a26d41de6f9f20808cf4ee9f42ef8821100b7b..5e11527d299fefc4f4369d7021905a0541320979 100644 (file)
@@ -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
 #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);
+}