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Code Activity

Demo App: Added a MIDI output device option to the MIDI i/o page

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This commit is contained in:
jules 2015-11-10 17:22:06 +00:00
parent 36cb000d40
commit 44b9eba29a
1 changed files with 34 additions and 5 deletions
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39
examples/Demo/Source/Demos/MidiDemo.cpp
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@ -105,6 +105,7 @@ public:
{
setOpaque (true);
// MIDI Inputs
addAndMakeVisible (midiInputListLabel);
midiInputListLabel.setText ("MIDI Input:", dontSendNotification);
midiInputListLabel.attachToComponent (&midiInputList, true);
@ -115,7 +116,7 @@ public:
midiInputList.addItemList (midiInputs, 1);
midiInputList.addListener (this);
// find the first enabled device and use that bu default
// find the first enabled device and use that by default
for (int i = 0; i < midiInputs.size(); ++i)
{
if (deviceManager.isMidiInputEnabled (midiInputs[i]))
@ -129,6 +130,17 @@ public:
if (midiInputList.getSelectedId() == 0)
setMidiInput (0);
// MIDI Outputs
addAndMakeVisible (midiOutputListLabel);
midiOutputListLabel.setText ("MIDI Output:", dontSendNotification);
midiOutputListLabel.attachToComponent (&midiOutputList, true);
addAndMakeVisible (midiOutputList);
midiOutputList.setTextWhenNoChoicesAvailable ("No MIDI Output Enabled");
midiOutputList.addItemList (MidiOutput::getDevices(), 1);
midiOutputList.addListener (this);
addAndMakeVisible (keyboardComponent);
keyboardState.addListener (this);
@ -154,14 +166,15 @@ public:
{
Rectangle<int> area (getLocalBounds());
midiInputList.setBounds (area.removeFromTop (36).removeFromRight (getWidth() - 150).reduced (8));
midiOutputList.setBounds (area.removeFromTop (36).removeFromRight (getWidth() - 150).reduced (8));
keyboardComponent.setBounds (area.removeFromTop (80).reduced(8));
messageListBox.setBounds (area.reduced (8));
}
private:
AudioDeviceManager& deviceManager;
ComboBox midiInputList;
Label midiInputListLabel;
ComboBox midiInputList, midiOutputList;
Label midiInputListLabel, midiOutputListLabel;
int lastInputIndex;
bool isAddingFromMidiInput;
@ -171,6 +184,7 @@ private:
ListBox messageListBox;
Array<MidiMessage> midiMessageList;
MidiLogListBoxModel midiLogListBoxModel;
ScopedPointer<MidiOutput> currentMidiOutput;
//==============================================================================
/** Starts listening to a MIDI input device, enabling it if necessary. */
@ -191,10 +205,22 @@ private:
lastInputIndex = index;
}
//==============================================================================
void setMidiOutput (int index)
{
currentMidiOutput = nullptr;
if (MidiOutput::getDevices() [index].isNotEmpty())
{
currentMidiOutput = MidiOutput::openDevice (index);
jassert (currentMidiOutput);
}
}
void comboBoxChanged (ComboBox* box) override
{
if (box == &midiInputList)
setMidiInput (midiInputList.getSelectedItemIndex());
if (box == &midiInputList) setMidiInput (midiInputList.getSelectedItemIndex());
if (box == &midiOutputList) setMidiOutput (midiOutputList.getSelectedItemIndex());
}
// These methods handle callbacks from the midi device + on-screen keyboard..
@ -243,6 +269,9 @@ private:
void postMessageToList (const MidiMessage& message)
{
if (currentMidiOutput != nullptr)
currentMidiOutput->sendMessageNow (message);
(new IncomingMessageCallback (this, message))->post();
}