Fix up state save/load of location lock/glue settings.
[ardour.git] / gtk2_ardour / port_matrix_grid.cc
index 5136285e48b3b472cb1315047e88ac6580baa555..8a12df236e2450ee549803067a3afcefd4b4b51b 100644 (file)
@@ -41,16 +41,16 @@ PortMatrixGrid::PortMatrixGrid (PortMatrix* m, PortMatrixBody* b)
 void
 PortMatrixGrid::compute_dimensions ()
 {
-       if (_matrix->visible_columns() == 0) {
-               _width = 0;
-       } else {
+       if (_matrix->visible_columns()) {
                _width = group_size (_matrix->visible_columns()) * grid_spacing ();
+       } else {
+               _width = 0;
        }
 
-       if (_matrix->visible_rows() == 0) {
-               _height = 0;
-       } else {
+       if (_matrix->visible_rows()) {
                _height = group_size (_matrix->visible_rows()) * grid_spacing ();
+       } else {
+               _height = 0;
        }
 }
 
@@ -81,7 +81,7 @@ PortMatrixGrid::render (cairo_t* cr)
 
                if (!_matrix->show_only_bundles()) {
                        cairo_set_line_width (cr, thin_grid_line_width());
-                       for (uint32_t j = 0; j < i->bundle->nchannels(); ++j) {
+                       for (uint32_t j = 0; j < _matrix->count_of_our_type ((*i)->bundle->nchannels()); ++j) {
                                x += grid_spacing ();
                                cairo_move_to (cr, x, 0);
                                cairo_line_to (cr, x, _height);
@@ -111,7 +111,7 @@ PortMatrixGrid::render (cairo_t* cr)
 
                if (!_matrix->show_only_bundles()) {
                        cairo_set_line_width (cr, thin_grid_line_width());
-                       for (uint32_t j = 0; j < i->bundle->nchannels(); ++j) {
+                       for (uint32_t j = 0; j < _matrix->count_of_our_type ((*i)->bundle->nchannels()); ++j) {
                                y += grid_spacing ();
                                cairo_move_to (cr, 0, y);
                                cairo_line_to (cr, _width, y);
@@ -127,7 +127,11 @@ PortMatrixGrid::render (cairo_t* cr)
                ++N;
        }
 
-       /* ASSOCIATION INDICATORS */
+       /* ASSOCIATION INDICATORS and NON-CONNECTABLE INDICATORS */
+
+       /* we draw a grey square in a matrix box if the two ports that intersect at that box
+          cannot be connected because they are of different types (MIDI vs. audio)
+       */
 
        uint32_t bx = 0;
        uint32_t by = 0;
@@ -140,8 +144,8 @@ PortMatrixGrid::render (cairo_t* cr)
                        for (PortGroup::BundleList::const_iterator j = row_bundles.begin(); j != row_bundles.end(); ++j) {
 
                                PortMatrixNode::State s = get_association (PortMatrixNode (
-                                                                                  ARDOUR::BundleChannel (i->bundle, 0),
-                                                                                  ARDOUR::BundleChannel (j->bundle, 0)
+                                                                                  ARDOUR::BundleChannel ((*i)->bundle, 0),
+                                                                                  ARDOUR::BundleChannel ((*j)->bundle, 0)
                                                                                   ));
                                switch (s) {
                                case PortMatrixNode::ASSOCIATED:
@@ -169,27 +173,37 @@ PortMatrixGrid::render (cairo_t* cr)
                        for (PortGroup::BundleList::const_iterator j = row_bundles.begin(); j != row_bundles.end(); ++j) {
 
                                x = bx;
-                               for (uint32_t k = 0; k < i->bundle->nchannels (); ++k) {
+                               for (uint32_t k = 0; k < (*i)->bundle->nchannels().n_total(); ++k) {
 
                                        y = by;
-                                       for (uint32_t l = 0; l < j->bundle->nchannels (); ++l) {
+                                       for (uint32_t l = 0; l < (*j)->bundle->nchannels().n_total(); ++l) {
 
-                                               ARDOUR::BundleChannel c[2];
-                                               c[_matrix->column_index()] = ARDOUR::BundleChannel (i->bundle, k);
-                                               c[_matrix->row_index()] = ARDOUR::BundleChannel (j->bundle, l);
-
-                                               PortMatrixNode::State const s = _matrix->get_state (c);
-
-                                               switch (s) {
-                                               case PortMatrixNode::ASSOCIATED:
-                                                       draw_association_indicator (cr, x, y);
-                                                       break;
+                                               if (!_matrix->should_show ((*i)->bundle->channel_type(k)) || !_matrix->should_show ((*j)->bundle->channel_type(l))) {
+                                                       continue;
+                                               }
 
-                                               case PortMatrixNode::NOT_ASSOCIATED:
-                                                       break;
+                                               ARDOUR::BundleChannel c[2];
+                                               c[_matrix->column_index()] = ARDOUR::BundleChannel ((*i)->bundle, k);
+                                               c[_matrix->row_index()] = ARDOUR::BundleChannel ((*j)->bundle, l);
 
-                                               default:
-                                                       break;
+                                               if (c[0].bundle->channel_type (c[0].channel) != c[1].bundle->channel_type (c[1].channel)) {
+                                                       /* these two channels are of different types */
+                                                       draw_non_connectable_indicator (cr, x, y);
+                                               } else {
+                                                       /* these two channels might be associated */
+                                                       PortMatrixNode::State const s = _matrix->get_state (c);
+                                                       
+                                                       switch (s) {
+                                                       case PortMatrixNode::ASSOCIATED:
+                                                               draw_association_indicator (cr, x, y);
+                                                               break;
+                                                               
+                                                       case PortMatrixNode::NOT_ASSOCIATED:
+                                                               break;
+                                                               
+                                                       default:
+                                                               break;
+                                                       }
                                                }
 
                                                y += grid_spacing();
@@ -198,10 +212,10 @@ PortMatrixGrid::render (cairo_t* cr)
                                        x += grid_spacing();
                                }
 
-                               by += j->bundle->nchannels () * grid_spacing();
+                               by += _matrix->count_of_our_type ((*j)->bundle->nchannels()) * grid_spacing();
                        }
 
-                       bx += i->bundle->nchannels () * grid_spacing();
+                       bx += _matrix->count_of_our_type ((*i)->bundle->nchannels()) * grid_spacing();
                }
        }
 }
@@ -237,6 +251,23 @@ PortMatrixGrid::draw_empty_square (cairo_t* cr, uint32_t x, uint32_t y)
        cairo_fill (cr);
 }
 
+/** Draw a square to indicate that two channels in a matrix cannot be associated
+ *  with each other.
+ */
+void
+PortMatrixGrid::draw_non_connectable_indicator (cairo_t* cr, uint32_t x, uint32_t y)
+{
+       set_source_rgb (cr, non_connectable_colour ());
+       cairo_rectangle (
+               cr,
+               x + thick_grid_line_width(),
+               y + thick_grid_line_width(),
+               grid_spacing() - 2 * thick_grid_line_width(),
+               grid_spacing() - 2 * thick_grid_line_width()
+               );
+       cairo_fill (cr);
+}
+
 PortMatrixNode
 PortMatrixGrid::position_to_node (double x, double y) const
 {
@@ -277,9 +308,13 @@ PortMatrixGrid::get_association (PortMatrixNode node) const
                bool have_diagonal_association = false;
                bool have_diagonal_not_association = false;
 
-               for (uint32_t i = 0; i < node.row.bundle->nchannels (); ++i) {
+               for (uint32_t i = 0; i < node.row.bundle->nchannels().n_total(); ++i) {
 
-                       for (uint32_t j = 0; j < node.column.bundle->nchannels (); ++j) {
+                       for (uint32_t j = 0; j < node.column.bundle->nchannels().n_total(); ++j) {
+
+                               if (!_matrix->should_show (node.row.bundle->channel_type(i)) || !_matrix->should_show (node.column.bundle->channel_type(j))) {
+                                       continue;
+                               }
 
                                ARDOUR::BundleChannel c[2];
                                c[_matrix->column_index()] = ARDOUR::BundleChannel (node.row.bundle, i);
@@ -334,9 +369,13 @@ PortMatrixGrid::set_association (PortMatrixNode node, bool s)
 {
        if (_matrix->show_only_bundles()) {
 
-               for (uint32_t i = 0; i < node.column.bundle->nchannels(); ++i) {
-                       for (uint32_t j = 0; j < node.row.bundle->nchannels(); ++j) {
+               for (uint32_t i = 0; i < node.column.bundle->nchannels().n_total(); ++i) {
+                       for (uint32_t j = 0; j < node.row.bundle->nchannels().n_total(); ++j) {
 
+                               if (!_matrix->should_show (node.column.bundle->channel_type(i)) || !_matrix->should_show (node.row.bundle->channel_type(j))) {
+                                       continue;
+                               }
+                               
                                ARDOUR::BundleChannel c[2];
                                c[_matrix->column_index()] = ARDOUR::BundleChannel (node.column.bundle, i);
                                c[_matrix->row_index()] = ARDOUR::BundleChannel (node.row.bundle, j);