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Fix crash on mouseover.

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git-svn-id: svn://localhost/ardour2/branches/3.0@8236 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-12-10 17:27:13 +00:00
parent 4a9a5dea26
commit fb0097ca79
5 changed files with 78 additions and 73 deletions
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66
gtk2_ardour/port_matrix.cc
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@ -939,3 +939,69 @@ PortMatrix::count_of_our_type (ChanCount c) const
return c.get (_type);
}
PortMatrixNode::State
PortMatrix::get_association (PortMatrixNode node) const
{
if (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 (!should_show (node.row.bundle->channel_type(i)) || !should_show (node.column.bundle->channel_type(j))) {
continue;
}
ARDOUR::BundleChannel c[2];
c[column_index()] = ARDOUR::BundleChannel (node.row.bundle, i);
c[row_index()] = ARDOUR::BundleChannel (node.column.bundle, j);
PortMatrixNode::State const s = 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[column_index()] = node.column;
c[row_index()] = node.row;
return get_state (c);
}
/* NOTREACHED */
return PortMatrixNode::NOT_ASSOCIATED;
}