diff options
Diffstat (limited to 'gtk2_ardour/panner_ui.cc')
| -rw-r--r-- | gtk2_ardour/panner_ui.cc | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/gtk2_ardour/panner_ui.cc b/gtk2_ardour/panner_ui.cc index c8c933348b..3ffec0ab05 100644 --- a/gtk2_ardour/panner_ui.cc +++ b/gtk2_ardour/panner_ui.cc @@ -133,7 +133,7 @@ PannerUI::PannerUI (Session& s) void PannerUI::set_io (boost::shared_ptr<IO> io) { - if (!io->panner()) { + if (io && !io->panner()) { cerr << "PannerUI::set_io IO has no panners" << endl; return; } @@ -148,15 +148,16 @@ PannerUI::set_io (boost::shared_ptr<IO> io) _io = io; - connections.push_back (_io->panner()->Changed.connect ( - mem_fun(*this, &PannerUI::panner_changed))); - connections.push_back (_io->panner()->LinkStateChanged.connect ( - mem_fun(*this, &PannerUI::update_pan_linkage))); - connections.push_back (_io->panner()->StateChanged.connect ( - mem_fun(*this, &PannerUI::update_pan_state))); - delete panner; panner = 0; + + if (!_io) { + return; + } + + connections.push_back (_io->panner()->Changed.connect (mem_fun(*this, &PannerUI::panner_changed))); + connections.push_back (_io->panner()->LinkStateChanged.connect (mem_fun(*this, &PannerUI::update_pan_linkage))); + connections.push_back (_io->panner()->StateChanged.connect (mem_fun(*this, &PannerUI::update_pan_state))); setup_pan (); @@ -338,7 +339,7 @@ PannerUI::update_pan_state () void PannerUI::setup_pan () { - if (!_io->panner()) { + if (!_io || !_io->panner()) { return; } |