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 c3b10e289b53a2ab4c6225c2a4b8b01526fc1b21..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;
@@ -62,7 +61,11 @@ PortMatrixColumnLabels::compute_dimensions ()
                                _longest_bundle_name = ext.width;
                        }
 
-                       for (uint32_t k = 0; k < (*j)->bundle->nchannels (); ++k) {
+                       for (uint32_t k = 0; k < (*j)->bundle->nchannels().n_total(); ++k) {
+
+                               if (!_matrix->should_show ((*j)->bundle->channel_type(k))) {
+                                       continue;
+                               }
 
                                cairo_text_extents (
                                        cr,
@@ -91,7 +94,7 @@ PortMatrixColumnLabels::compute_dimensions ()
        }
 
        cairo_destroy (cr);
-       gdk_pixmap_unref (pm);
+       cairo_surface_destroy (surface);
 
        /* height of the whole thing */
 
@@ -135,9 +138,9 @@ PortMatrixColumnLabels::render (cairo_t* cr)
                if (_matrix->show_only_bundles()) {
                        x += grid_spacing();
                } else {
-                       x += (*i)->bundle->nchannels () * grid_spacing();
+                       x += _matrix->count_of_our_type_min_1 ((*i)->bundle->nchannels()) * grid_spacing();
                }
-               
+
                ++N;
        }
 
@@ -149,12 +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(); ++j) {
+                       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;
                }
        }
@@ -194,8 +203,8 @@ 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);
@@ -254,7 +263,7 @@ PortMatrixColumnLabels::render_bundle_name (
        if (_matrix->show_only_bundles()) {
                w = grid_spacing ();
        } else {
-               w = b->nchannels() * grid_spacing();
+               w = _matrix->count_of_our_type_min_1 (b->nchannels()) * grid_spacing();
        }
 
        double x_ = xoff;
@@ -340,7 +349,7 @@ PortMatrixColumnLabels::render_channel_name (
                        xoff + grid_spacing() - q * sin (angle ()),
                        yoff + _height - q * cos (angle ())
                        );
-                               
+
 
        } else {
 
@@ -352,19 +361,19 @@ PortMatrixColumnLabels::render_channel_name (
                        );
        }
 
-       if (bc.bundle->nchannels() > 1) {
+       if (_matrix->count_of_our_type (bc.bundle->nchannels()) > 1) {
 
                /* only plot the name if the bundle has more than one channel;
                   the name of a single channel is assumed to be redundant */
-               
+
                cairo_save (cr);
                cairo_rotate (cr, -angle());
-               
+
                cairo_show_text (
                        cr,
                        bc.bundle->channel_name(bc.channel).c_str()
                        );
-               
+
                cairo_restore (cr);
        }
 }
@@ -475,10 +484,12 @@ PortMatrixColumnLabels::motion (double x, double y)
                ) {
 
                /* if the mouse is over a bundle name, highlight all channels in the bundle */
-               
+
                list<PortMatrixNode> n;
 
-               for (uint32_t i = 0; i < w.bundle->nchannels(); ++i) {
+               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));
                }
@@ -486,7 +497,7 @@ PortMatrixColumnLabels::motion (double x, double y)
                _body->set_mouseover (n);
 
        } else {
-       
+
                _body->set_mouseover (PortMatrixNode (ARDOUR::BundleChannel (), w));
        }
-}      
+}