ardour/livetrax
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avoid crazy levels of work when MIDI Port Info preferences panel is not visible

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This commit is contained in:
Paul Davis 2019-03-08 17:04:43 -07:00
parent b1504f261e
commit 4c2e801b5f
1 changed files with 12 additions and 5 deletions
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17
gtk2_ardour/rc_option_editor.cc
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@ -1823,7 +1823,7 @@ private:
class MidiPortOptions : public OptionEditorMiniPage, public sigc::trackable
{
public:
MidiPortOptions() {
MidiPortOptions() : refill_id (-1) {
setup_midi_port_view (midi_output_view, false);
setup_midi_port_view (midi_input_view, true);
@ -1853,13 +1853,15 @@ class MidiPortOptions : public OptionEditorMiniPage, public sigc::trackable
midi_output_view.show ();
midi_input_view.show ();
table.signal_show().connect (sigc::mem_fun (*this, &MidiPortOptions::on_show));
table.signal_map().connect (sigc::mem_fun (*this, &MidiPortOptions::on_map));
table.signal_unmap().connect (sigc::mem_fun (*this, &MidiPortOptions::on_unmap));
}
void parameter_changed (string const&) {}
void set_state_from_config() {}
void on_show () {
void on_map () {
refill ();
AudioEngine::instance()->PortRegisteredOrUnregistered.connect (connections,
@ -1876,9 +1878,11 @@ class MidiPortOptions : public OptionEditorMiniPage, public sigc::trackable
gui_context());
}
void refill () {
void on_unmap () {
connections.drop_connections ();
}
std::cerr << "REFILL MIDI PORTS\n";
void refill () {
if (refill_midi_ports (true, midi_input_view)) {
input_label.show ();
@ -1890,6 +1894,8 @@ class MidiPortOptions : public OptionEditorMiniPage, public sigc::trackable
} else {
output_label.hide ();
}
refill_id = -1;
}
private:
@ -1922,6 +1928,7 @@ class MidiPortOptions : public OptionEditorMiniPage, public sigc::trackable
Gtk::TreeView midi_output_view;
Gtk::Label input_label;
Gtk::Label output_label;
int refill_id;
void setup_midi_port_view (Gtk::TreeView&, bool with_selection);
bool refill_midi_ports (bool for_input, Gtk::TreeView&);