This Custom Keyboard Slaps!

clevername27

…or maybe just taps. But anyways…

Cleverly, I positioned the cursor right over the MIDI channel number readout, so you don't see anything change—and then suddenly, change 16. sigh

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                              //
//                                                                                                              //
//                                      SETTINGS - DIAGNOSTICS [UI THREAD]                                      //
//                                                                                                              //
//                                               BILL EVANS                                                     //
//                                                                                                              //
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////// COLOUR THE KEYBOARD FUNCTION ///////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

inline function ColourMidiKeyboard (theContext) {
	
	local whiteKeyColour = null;
	local blackKeyColour = null;
	local upperKeyLimit = null;
	
	// Set enabled and visible states.
	switch (theContext) {
			
		case "init":
		
			local whiteKeyColour = Colours.withAlpha(0xFFEBECF3, 0.25);
			local blackKeyColour = Colours.withAlpha(0xFF212126, 0.25);
			
			upperKeyLimit = 127;
			
			break;
			
		case "ready":
			
			local whiteKeyColour = 0xFF212126;
			local blackKeyColour = 0xFFEBECF3;
			
			upperKeyLimit = g_NumOfSamples.notes;			
						
			break;	
			
		case "derivatives":
		
			local whiteKeyColour = 0xFF4c8d39;
			local blackKeyColour = 0xFF98c28c;
						
			upperKeyLimit = 127;
						
			break;				
	}
	
	// Colour the keyboard. 	
	local whitekeys = [0, 2, 4, 5, 7, 9, 11];
	
	// Colour the keys.
	for(keyNumber = 0; keyNumber < upperKeyLimit; keyNumber += 1) {
	
		if (whitekeys.contains(keyNumber % 12))
			Engine.setKeyColour (keyNumber, blackKeyColour);
		else
			Engine.setKeyColour (keyNumber, whiteKeyColour);
	}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////// DISPLAY MIDI INFO FUNCTIONS //////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// ================================================ Updating

inline function UpdateDiagnosticMidiDisplay (dataFlow) {
	
	if (dataFlow.type == "note_on") {
			
		label_GLOBAL_Meter_MIDI_In_Channel_ART.set("text", "Channel: " + dataFlow.midiNoteChannel);
		label_GLOBAL_Meter_MIDI_In_NoteOn_ART.set("text", "Number: " + dataFlow.midiNoteNumber);
		label_GLOBAL_Meter_MIDI_In_Velocity_ART.set("text", "Velocity:" + dataFlow.midiNoteVelocity);
		
	} else {
			
		label_GLOBAL_Meter_MIDI_Out_Channel_ART.set("text", "Channel: " + dataFlow.midiNoteChannel);
		label_GLOBAL_Meter_MIDI_Out_NoteOn_ART.set("text", "Number: " + dataFlow.midiNoteNumber);
		label_GLOBAL_Meter_MIDI_Out_Velocity_ART.set("text", "Velocity: " + dataFlow.midiNoteVelocity);
	}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////// GENERAL INFO PANE FUNCTIONS //////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// ================================================ Updating

inline function UpdateDiagnosticReadouts () {
	
	local sampleRateText;
	
	switch(Engine.getSampleRate()) {
		
		case 44100: sampleRateText = "44.1"; break;
		case 48000: sampleRateText = "48"; break;
		case 88200: sampleRateText = "88.2"; break;
		case 96000: sampleRateText = "96"; break;
		case 176400: sampleRateText = "176.4"; break;
		case 192000: sampleRateText = "192"; break;
		default: sampleRateText = Engine.getSampleRate(); break;
	}
	
	// Set up the meters.
	label_GLOBAL_Meters_General_SampleRate_ART.set("text", "Rate: " + sampleRateText + " kHz");
	label_GLOBAL_Meters_General_Latency_ART.set("text", "Latency: " + Engine.getLatencySamples() + " ms");
	label_GLOBAL_Meters_General_NumChannels_ART.set("text", "Ouput Channels: " + Engine.getNumPluginChannels());
	label_GLOBAL_Meters_General_MaxBufferSize_ART.set("text", "Maximum Buffer: " + Engine.getBufferSize());
	label_GLOBAL_Meters_General_MpeEnabled_ART.set("text", "MPE Mode: " + (Engine.isMpeEnabled() ? 'Off' : 'On')) ;	
}

// =========================================== Updating Diagnostics

button_GLOBAL_ChooseOptions_UpdateSampleRate_GUI.setControlCallback(onbutton_GLOBAL_ChooseOptions_UpdateSampleRate_GUIControl);
inline function onbutton_GLOBAL_ChooseOptions_UpdateSampleRate_GUIControl(component, value) {
	
	UpdateDiagnosticReadouts ();
};

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////// KEYBOARD UTILITY FUNCTIONS ///////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// =============================================== Get Keyboard Data

inline function GetKeyboardData () {
		
	return tile_GLOBAL_Keyboard_TheKeyboard_ART.get("Data").parseAsJSON();
}

// =============================================== Set Keyboard Data

inline function SetKeyboardData (keyboardData) {
	
	keyboardData.Type = "Keyboard";	
	
	tile_GLOBAL_Keyboard_TheKeyboard_ART.set("Data", trace(keyboardData));
}

// =============================================== Reset Keyboard

inline function ResetMidiKeyboard (resetContext) {
	
	// Get a reference to the keyboard component.
	local keyboardData = GetKeyboardData ();
	
	// Change the values in the JSON records.
	keyboardData.LowKey = 0;
	keyboardData.HiKey = 23;
	keyboardData.MidiChannel = 1;

	// Set the values in the keyboard.
	SetKeyboardData(keyboardData);
	
	// Reset the text fields.
	label_GLOBAL_Keyboard_ChannelValue_ART.set("text", "1");
	label_GLOBAL_Keyboard_OctaveValue_ART.set("text", "1");
	
	// Set enabled and visible states.
	switch (resetContext) {
		
		case "init":
			
			// Disable/hide octave interface.
			button_GLOBAL_Keyboard_OctaveUp_GUI.set("enabled", false);
			button_GLOBAL_Keyboard_OctaveDown_GUI.set("enabled", false);
			label_GLOBAL_Keyboard_OctaveValue_ART.set("visible", false);
			
			// Disable/hide channel interface.
			button_GLOBAL_Keyboard_ChannelDown_GUI.set("enabled", false);
			button_GLOBAL_Keyboard_ChannelUp_GUI.set("enabled", false);
			label_GLOBAL_Keyboard_ChannelValue_ART.set("visible", false);
					
			break;
			
		case "ready":
		
			// Enable/show octave interface.
			button_GLOBAL_Keyboard_OctaveUp_GUI.set("enabled", true);
			button_GLOBAL_Keyboard_OctaveDown_GUI.set("enabled", true);
			label_GLOBAL_Keyboard_OctaveValue_ART.set("visible", true);
			
			// Enable/show channel interface.
			button_GLOBAL_Keyboard_ChannelDown_GUI.set("enabled", true);
			button_GLOBAL_Keyboard_ChannelUp_GUI.set("enabled", true);
			label_GLOBAL_Keyboard_ChannelValue_ART.set("visible", true);
		
			break;			
	}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////// KEYBOARD CHANNEL FUNCTIONS //////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Registering all four buttons to a broadcaster, and making the callback function a receiver would be more elegant.

// ================================================ Registration

button_GLOBAL_Keyboard_OctaveDown_GUI.setControlCallback(MidiKeyboardParamButtonCallback);
button_GLOBAL_Keyboard_ChannelDown_GUI.setControlCallback(MidiKeyboardParamButtonCallback);
button_GLOBAL_Keyboard_ChannelUp_GUI.setControlCallback(MidiKeyboardParamButtonCallback);
button_GLOBAL_Keyboard_OctaveUp_GUI.setControlCallback(MidiKeyboardParamButtonCallback);

// =================================================== Callback

inline function MidiKeyboardParamButtonCallback (component, value) {

	// The buttons are momentary, so only do something when they are pressed in.
	if (value) {
	
		// Get a reference to the keyboard component.
		local keyboardData = GetKeyboardData();
		local newValue = null;
		
		// Create variables for the display component that will be updated, and the new display text.
		local displayComponent = null;
		local displayText = null;

		// This section could be much shorter.
		switch (component.get("id")) {
			
			case "button_GLOBAL_Keyboard_ChannelUp_GUI":
			
				if (keyboardData.MidiChannel == 16) {
				
					ColourMidiKeyboard ("init");
					ColourMidiKeyboard ("ready");
				}

				if (keyboardData.MidiChannel < 16)
					keyboardData.MidiChannel += 1;
				else
					keyboardData.MidiChannel = 1;

				displayComponent = label_GLOBAL_Keyboard_ChannelValue_ART;
				displayText = keyboardData.MidiChannel;
				
				if (keyboardData.MidiChannel == 16)
					ColourMidiKeyboard ("derivatives");
				
				break;
					
			case "button_GLOBAL_Keyboard_ChannelDown_GUI":
			
				if (keyboardData.MidiChannel > 1)
					keyboardData.MidiChannel -= 1;
				else
					keyboardData.MidiChannel = 16;
				
				displayComponent = label_GLOBAL_Keyboard_ChannelValue_ART;
				displayText = keyboardData.MidiChannel;
				
				break;
				
			case "button_GLOBAL_Keyboard_OctaveUp_GUI":
							
				if (keyboardData.LowKey >= 96)  {
				
					if (keyboardData.LowKey == 120) {
	
						keyboardData.LowKey = 0;
						keyboardData.HiKey = 23;
						
					} else {
						
						keyboardData.LowKey = 120;
						keyboardData.HiKey = 127;					
					}
					
				} else {
						
					keyboardData.LowKey += 12;
					keyboardData.HiKey += 12;
				}
				
				displayComponent = label_GLOBAL_Keyboard_OctaveValue_ART;
				displayText = parseInt(keyboardData.HiKey/12)-1;
				
				break;
				
			case "button_GLOBAL_Keyboard_OctaveDown_GUI":

				if (keyboardData.LowKey < 24)  {
				
					// There is a bug in HISE, so this won't be displayed correctly.
					keyboardData.LowKey = 120;
					keyboardData.HiKey = 127;
					
				} else {
					
					if (keyboardData.LowKey == 120) {
						
						keyboardData.LowKey = 96;
						keyboardData.HiKey = 120;
					
					} else {
						
						keyboardData.LowKey -= 12;
						keyboardData.HiKey -= 12;						
					}
				}
								
				displayComponent = label_GLOBAL_Keyboard_OctaveValue_ART;
				displayText = parseInt(keyboardData.HiKey/12)-1;
				
				break;
			
			default: // Throw error.
		}

		// Set the new keyboard data.			
		SetKeyboardData (keyboardData);
			
		// Update the label.
		if (isDefined(displayComponent))
			displayComponent.set("text", displayText);
		else;
			// Throw error.	
	}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////// STANDARD LIBRARY: CORE FUNCTION ////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// This section implements my broadcaster system. You'd obviously change the implementation for your own plugin.
// "init" is received during OnInit(), and "ready" is received after a SampleMap finishes loading. I've
// omitted the other commands the function receives, as they're not relevant to this code example.

inline function GLOBAL_CONFIGURE_Diagnostics (moduleState) {

	// ============================================== Reset Ops

	if (moduleState == "init" || moduleState == "ready") {
		
		// ------------- Diagnostic Info
		
		label_GLOBAL_Meter_MIDI_In_Channel_ART.set("text", "Channel: None");
		label_GLOBAL_Meter_MIDI_In_NoteOn_ART.set("text", "Note On: None");
		label_GLOBAL_Meter_MIDI_In_Velocity_ART.set("text","Velocity: None");
		label_GLOBAL_Meter_MIDI_Out_Channel_ART.set("text", "Channel: None");
		label_GLOBAL_Meter_MIDI_Out_NoteOn_ART.set("text", "Note On: None");
		label_GLOBAL_Meter_MIDI_Out_Velocity_ART.set("text", "Velocity: None");
		
		// -------------  Global
		
		// Enable the global?
		if (combo_GLOBAL_ChooseOptions_Hidden_DiagnosticMeters_HPS.getValue()==COMBO_ON)
			g_diagnosticKeyboardActive = true;
		else
			g_diagnosticKeyboardActive = false;
		
		// -------------  Keyboard
					
		// Reset it.
		ResetMidiKeyboard ("init");
		ColourMidiKeyboard ("init");
		
		// -------------  Displays
		
		UpdateDiagnosticReadouts();	
	}

	// =============================================== Specific Ops

	switch(moduleState) {
	
		case "init":
			
			// Cover it.
			panel_GLOBAL_Meters_Piano_Cover_ART.showControl(true);
			panel_GLOBAL_Meters_MIDI_Out_Cover_ART.showControl(true);
			panel_GLOBAL_Meters_MIDI_In_Cover_ART.showControl(true);
	
			break;
							
		case "ready":

			// ====================================== Showing MIDI Text
			
			label_GLOBAL_Meter_MIDI_In_NoteOn_ART.showControl(true);
			label_GLOBAL_Meter_MIDI_In_Channel_ART.showControl(true);
			label_GLOBAL_Meter_MIDI_In_Velocity_ART.showControl(true);
			label_GLOBAL_Meter_MIDI_Out_Channel_ART.showControl(true);
			label_GLOBAL_Meter_MIDI_Out_NoteOn_ART.showControl(true);
			label_GLOBAL_Meter_MIDI_Out_Velocity_ART.showControl(true);
			
			// ====================================== Keyboard
					
			// Reveal it.
			panel_GLOBAL_Meters_Piano_Cover_ART.fadeComponent(false, SUBMODULE_VISIBILITY_FADE_TIME);
			panel_GLOBAL_Meters_MIDI_Out_Cover_ART.fadeComponent(false, SUBMODULE_VISIBILITY_FADE_TIME);
			panel_GLOBAL_Meters_MIDI_In_Cover_ART.fadeComponent(false, SUBMODULE_VISIBILITY_FADE_TIME);
			
			// -------------  Keyboard
						
			// Reset it.
			ResetMidiKeyboard ("ready");
			ColourMidiKeyboard ("ready");
	
			// Set the display.
			UpdateDiagnosticReadouts();
			
			break;
			
		case "update_display":
		
			if (	(combo_GLOBAL_ChooseOptions_Hidden_DiagnosticMeters_HPS.getValue()==COMBO_ON)	&&
					(panel_FRAME_GLOBAL.get("visible"))												){
						
				UpdateDiagnosticReadouts();	
			}			
	}
};

This Custom Keyboard Slaps!

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