diff options
Diffstat (limited to 'gtk2_ardour/port_matrix_component.cc')
| -rw-r--r-- | gtk2_ardour/port_matrix_component.cc | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gtk2_ardour/port_matrix_component.cc b/gtk2_ardour/port_matrix_component.cc index e2d1e07027..74f989934e 100644 --- a/gtk2_ardour/port_matrix_component.cc +++ b/gtk2_ardour/port_matrix_component.cc @@ -105,3 +105,35 @@ PortMatrixComponent::dimensions () return std::make_pair (_width, _height); } + +std::pair<std::string, double> +PortMatrixComponent::display_port_name (cairo_t* cr, std::string const &n, double avail) const +{ + /* XXX hopefully there exists a more efficient way of doing this */ + + Glib::ustring name = Glib::ustring (n).uppercase (); + bool abbreviated = false; + uint32_t width = 0; + + while (1) { + if (name.length() <= 2) { + break; + } + + cairo_text_extents_t ext; + cairo_text_extents (cr, name.c_str(), &ext); + if (ext.width < avail) { + width = ext.width; + break; + } + + if (abbreviated) { + name = name.substr (0, name.length() - 2) + "."; + } else { + name = name.substr (0, name.length() - 1) + "."; + abbreviated = true; + } + } + + return std::make_pair (name, width); +} |