add hovering/show click functionality to ArdourButton

[ardour.git] / gtk2_ardour / port_matrix_column_labels.cc

diff --git a/gtk2_ardour/port_matrix_column_labels.cc b/gtk2_ardour/port_matrix_column_labels.cc
index f9b5b6aef8101df16011a28e8497e62a749988f3..1cdf510c59606a0b86d3344f0a503155e4b067f0 100644 (file)
--- a/gtk2_ardour/port_matrix_column_labels.cc
+++ b/gtk2_ardour/port_matrix_column_labels.cc
@@ -39,9 +39,8 @@ PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrix* m, PortMatrixBody* b
 void
 PortMatrixColumnLabels::compute_dimensions ()
 {
-       GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
-       gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
-       cairo_t* cr = gdk_cairo_create (pm);
+       cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, 200, 200);
+       cairo_t* cr = cairo_create (surface);
 
        /* width of the longest bundle name */
        _longest_bundle_name = 0;
@@ -95,7 +94,7 @@ PortMatrixColumnLabels::compute_dimensions ()
        }
 
        cairo_destroy (cr);
-       g_object_unref (pm);
+       cairo_surface_destroy (surface);
 
        /* height of the whole thing */
 
@@ -133,23 +132,13 @@ PortMatrixColumnLabels::render (cairo_t* cr)
        PortGroup::BundleList const & bundles = _matrix->visible_columns()->bundles ();
        for (PortGroup::BundleList::const_iterator i = bundles.begin (); i != bundles.end(); ++i) {
 
-               bool should_show_this_bundle = false;
-               for (uint32_t j = 0; j < (*i)->bundle->nchannels().n_total(); ++j) {
-                       if (_matrix->should_show ((*i)->bundle->channel_type (j))) {
-                               should_show_this_bundle = true;
-                               break;
-                       }
-               }
-
-               if (should_show_this_bundle) {
-                       Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
-                       render_bundle_name (cr, background_colour (), c, x, 0, (*i)->bundle);
-               }
+               Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
+               render_bundle_name (cr, background_colour (), c, x, 0, (*i)->bundle);
 
                if (_matrix->show_only_bundles()) {
                        x += grid_spacing();
                } else {
-                       x += _matrix->count_of_our_type ((*i)->bundle->nchannels()) * grid_spacing();
+                       x += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()) * grid_spacing();
                }
 
                ++N;
@@ -163,17 +152,18 @@ PortMatrixColumnLabels::render (cairo_t* cr)
 
                for (PortGroup::BundleList::const_iterator i = bundles.begin (); i != bundles.end(); ++i) {
 
-                       for (uint32_t j = 0; j < (*i)->bundle->nchannels().n_total(); ++j) {
-
-                               if (!_matrix->should_show ((*i)->bundle->channel_type(j))) {
-                                       continue;
-                               }
+                       uint32_t const C = _matrix->count_of_our_type ((*i)->bundle->nchannels ());
 
+                       for (uint32_t j = 0; j < C; ++j) {
                                Gdk::Color c = (*i)->has_colour ? (*i)->colour : get_a_bundle_colour (N);
                                render_channel_name (cr, background_colour (), c, x, 0, ARDOUR::BundleChannel ((*i)->bundle, j));
                                x += grid_spacing();
                        }
 
+                       if (C == 0) {
+                               x += grid_spacing ();
+                       }
+
                        ++N;
                }
        }
@@ -214,7 +204,7 @@ PortMatrixColumnLabels::mouseover_changed (list<PortMatrixNode> const &)
                ARDOUR::BundleChannel c = i->column;
                ARDOUR::BundleChannel r = i->row;
 
-               if (c.bundle && r.bundle) {
+               if (PortMatrix::bundle_with_channels (c.bundle) && PortMatrix::bundle_with_channels (r.bundle)) {
                        add_channel_highlight (c);
                } else if (c.bundle) {
                        _body->highlight_associated_channels (_matrix->column_index(), c);
@@ -273,7 +263,7 @@ PortMatrixColumnLabels::render_bundle_name (
        if (_matrix->show_only_bundles()) {
                w = grid_spacing ();
        } else {
-               w = _matrix->count_of_our_type (b->nchannels()) * grid_spacing();
+               w = _matrix->count_of_our_type_min_1 (b->nchannels()) * grid_spacing();
        }
 
        double x_ = xoff;
@@ -497,12 +487,9 @@ PortMatrixColumnLabels::motion (double x, double y)
 
                list<PortMatrixNode> n;
 
-               for (uint32_t i = 0; i < w.bundle->nchannels().n_total(); ++i) {
-
-                       if (!_matrix->should_show (w.bundle->channel_type(i))) {
-                               continue;
-                       }
+               uint32_t const N = _matrix->count_of_our_type (w.bundle->nchannels ());
 
+               for (uint32_t i = 0; i < N; ++i) {
                        ARDOUR::BundleChannel const bc (w.bundle, i);
                        n.push_back (PortMatrixNode (ARDOUR::BundleChannel (), bc));
                }