X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=MooKeyboard.java;h=ef4785e67c5081e343983c06d411800dab2e1d1c;hb=2987fea4ec5854c2431e042f17daf5a923c438a1;hp=8b4389ddbda97bf47f4fbc7f768cae8b386cc30a;hpb=dd6e5fe331907fbbbe9539dd880ce2ec895501d7;p=moosique.git

diff --git a/MooKeyboard.java b/MooKeyboard.java
index 8b4389d..ef4785e 100644
--- a/MooKeyboard.java
+++ b/MooKeyboard.java
@@ -2,29 +2,43 @@ import javax.sound.midi.*;
 import java.awt.event.*;
 
 /**
- * Functional representation of a MIDI note, which contains two MIDI events, note on and note off.
+ * A keyboard listener emulating a synthesizer.
  * 
  * @author  Einar Pehrson
  */
  
 public class MooKeyboard extends KeyAdapter {
 
-	private boolean[] isOn = new boolean[120];
-	private static int startNote = 48;
-	private static final int[] keyToNote = new int[120];
+	private boolean[] isOn;
+	private static int startNote;
+	private static int[] keyToNote = new int[120];
 
+	/**
+	 * Sets up the synthesizer emulation.
+	 */
+	public MooKeyboard() {
+		isOn = new boolean[120];
+	}
+
+	static {
+		startNote = 48;
+		makeKeyboardMapping();
+	}
+	
 	/**
 	 * Plays the appropriate MIDI NoteOn event.
 	 */
 	public void keyPressed(KeyEvent e) {
-		try {
-			// Retrieves the notenumber from the conversion array.
-			int noteNumber = keyToNote[e.getKeyCode()];
-			// If note is not already on and the key is mapped to a note, sends the NoteOn event.
-			if (!isOn[noteNumber] && noteNumber > 0) Moosique.getActiveChannel().noteOn(noteNumber, 127);
-			isOn[noteNumber] = true;
-		} catch (ArrayIndexOutOfBoundsException x) {
-			return;
+		if (!e.isControlDown()) {
+			try {
+				// Retrieves the notenumber from the conversion array.
+				int noteNumber = keyToNote[e.getKeyCode()];
+				// If note is not already on and the key is mapped to a note, sends the NoteOn event.
+				if (!isOn[noteNumber] && noteNumber > 0) Moosique.getActiveChannel().noteOn(noteNumber, 127);
+				isOn[noteNumber] = true;
+			} catch (ArrayIndexOutOfBoundsException x) {
+				return;
+			}
 		}
 	}
 	
@@ -32,14 +46,16 @@ public class MooKeyboard extends KeyAdapter {
 	 * Plays the appropriate MIDI NoteOff event.
 	 */
 	public void keyReleased(KeyEvent e) {
-		try {
-			// Retrieves the notenumber from the conversion array.
-			int noteNumber = keyToNote[e.getKeyCode()];
-			// Sends the NoteOff event.
-			Moosique.getActiveChannel().noteOff(noteNumber);
-			isOn[noteNumber] = false;
-		} catch (ArrayIndexOutOfBoundsException x) {
-			return;
+		if (!e.isControlDown()) {
+			try {
+				// Retrieves the notenumber from the conversion array.
+				int noteNumber = keyToNote[e.getKeyCode()];
+				// Sends the NoteOff event.
+				Moosique.getActiveChannel().noteOff(noteNumber);
+				isOn[noteNumber] = false;
+			} catch (ArrayIndexOutOfBoundsException x) {
+				return;
+			}
 		}
 	}
 
@@ -47,8 +63,23 @@ public class MooKeyboard extends KeyAdapter {
 	 * Sets the octave of the lower part of the keyboard (default = 4)
 	 * @param n	the octave to start at
 	 */
-	public void setOctave(int n) {
+	public static void setOctave(int n) {
 		startNote = n * 12;
+		makeKeyboardMapping();
+	}
+
+	/**
+	 * Increases or decreases the octave of the lower part of the keyboard (default = 4)
+	 * @param increase	true for increase, false for decrease
+	 */
+	public static void setRelativeOctave(boolean increase) {
+		if (increase) {
+			if (startNote == 108) return;
+			setOctave((startNote/12) + 1);
+		} else {
+			if (startNote == 0) return;
+			setOctave((startNote/12) - 1);
+		}
 	}
 
 	/** Maps keycodes (array indices) to MIDI note numbers using the following layout:
@@ -58,8 +89,8 @@ public class MooKeyboard extends KeyAdapter {
 	 *  s d   g h j   l	=>  # #   # # #   #
 	 * z x c v b n m , .	=> c d e f g a b c d
 	 */
-	static {
-		keyToNote[90] = startNote;
+	private static void makeKeyboardMapping() {
+		keyToNote[KeyEvent.VK_Q] = startNote;
 		keyToNote[83] = startNote + 1;
 		keyToNote[88] = startNote + 2;
 		keyToNote[68] = startNote + 3;
@@ -92,4 +123,4 @@ public class MooKeyboard extends KeyAdapter {
 		keyToNote[48] = startNote + 27;
 		keyToNote[80] = startNote + 28;
 	}
-}
\ No newline at end of file
+}