forward unhandled button events from MidiRegionView back to Editor

[ardour.git] / gtk2_ardour / port_matrix_grid.cc

diff --git a/gtk2_ardour/port_matrix_grid.cc b/gtk2_ardour/port_matrix_grid.cc
index f4ca28fcd2da1b55c975ad884b1a91a212993ce3..96e9cb949ca905e038c43cef37946eaba8ddd5cb 100644 (file)
--- a/gtk2_ardour/port_matrix_grid.cc
+++ b/gtk2_ardour/port_matrix_grid.cc
@@ -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;
@@ -139,9 +143,9 @@ 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)
+                               PortMatrixNode::State s = _matrix->get_association (PortMatrixNode (
+                                                                                  ARDOUR::BundleChannel ((*j)->bundle, 0),
+                                                                                  ARDOUR::BundleChannel ((*i)->bundle, 0)
                                                                                   ));
                                switch (s) {
                                case PortMatrixNode::ASSOCIATED:
@@ -182,18 +186,24 @@ PortMatrixGrid::render (cairo_t* cr)
                                                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;
-
-                                               case PortMatrixNode::NOT_ASSOCIATED:
-                                                       break;
-
-                                               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();
@@ -241,6 +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
 {
@@ -272,71 +299,6 @@ PortMatrixGrid::button_press (double x, double y, int b, uint32_t t, guint)
        }
 }
 
-PortMatrixNode::State
-PortMatrixGrid::get_association (PortMatrixNode node) const
-{
-       if (_matrix->show_only_bundles()) {
-
-               bool have_off_diagonal_association = false;
-               bool have_diagonal_association = false;
-               bool have_diagonal_not_association = false;
-
-               for (uint32_t i = 0; i < node.row.bundle->nchannels().n_total(); ++i) {
-
-                       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);
-                               c[_matrix->row_index()] = ARDOUR::BundleChannel (node.column.bundle, j);
-
-                               PortMatrixNode::State const s = _matrix->get_state (c);
-
-                               switch (s) {
-                               case PortMatrixNode::ASSOCIATED:
-                                       if (i == j) {
-                                               have_diagonal_association = true;
-                                       } else {
-                                               have_off_diagonal_association = true;
-                                       }
-                                       break;
-
-                               case PortMatrixNode::NOT_ASSOCIATED:
-                                       if (i == j) {
-                                               have_diagonal_not_association = true;
-                                       }
-                                       break;
-
-                               default:
-                                       break;
-                               }
-                       }
-               }
-
-               if (have_diagonal_association && !have_off_diagonal_association && !have_diagonal_not_association) {
-                       return PortMatrixNode::ASSOCIATED;
-               } else if (!have_diagonal_association && !have_off_diagonal_association) {
-                       return PortMatrixNode::NOT_ASSOCIATED;
-               }
-
-               return PortMatrixNode::PARTIAL;
-
-       } else {
-
-               ARDOUR::BundleChannel c[2];
-               c[_matrix->column_index()] = node.column;
-               c[_matrix->row_index()] = node.row;
-               return _matrix->get_state (c);
-
-       }
-
-       /* NOTREACHED */
-       return PortMatrixNode::NOT_ASSOCIATED;
-}
-
 void
 PortMatrixGrid::set_association (PortMatrixNode node, bool s)
 {
@@ -381,7 +343,7 @@ PortMatrixGrid::button_release (double x, double y, int b, uint32_t /*t*/, guint
                                        list<PortMatrixNode> const p = nodes_on_line (_drag_start_x, _drag_start_y, _drag_x, _drag_y);
                                        
                                        if (!p.empty()) {
-                                               PortMatrixNode::State const s = get_association (p.front());
+                                               PortMatrixNode::State const s = _matrix->get_association (p.front());
                                                for (list<PortMatrixNode>::const_iterator i = p.begin(); i != p.end(); ++i) {
                                                        set_association (*i, toggle_state (s));
                                                }
@@ -397,7 +359,7 @@ PortMatrixGrid::button_release (double x, double y, int b, uint32_t /*t*/, guint
                                                PortMatrixNode const n = position_to_node (x, y);
                                                if (n.row.bundle && n.column.bundle) {
                                                        if (s == (PortMatrixNode::State) 0) {
-                                                               s = get_association (n);
+                                                               s = _matrix->get_association (n);
                                                        }
                                                        set_association (n, toggle_state (s));
                                                } else {
@@ -411,7 +373,7 @@ PortMatrixGrid::button_release (double x, double y, int b, uint32_t /*t*/, guint
                                        
                                        PortMatrixNode const n = position_to_node (x, y);
                                        if (n.row.bundle && n.column.bundle) {
-                                               PortMatrixNode::State const s = get_association (n);
+                                               PortMatrixNode::State const s = _matrix->get_association (n);
                                                set_association (n, toggle_state (s));
                                        }
                                }
@@ -466,7 +428,7 @@ PortMatrixGrid::draw_extra (cairo_t* cr)
 
                if (!p.empty()) {
 
-                       bool const s = toggle_state (get_association (p.front()));
+                       bool const s = toggle_state (_matrix->get_association (p.front()));
 
                        for (list<PortMatrixNode>::const_iterator i = p.begin(); i != p.end(); ++i) {
                                if (s) {