Initial commit of Alter

Alter.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/.idea" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
+

src/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: tarehart.alter.AlterForm
+

src/tarehart/alter/AlterForm.form

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+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="tarehart.alter.AlterForm">
+  <grid id="27dc6" binding="rootPanel" layout-manager="GridLayoutManager" row-count="5" column-count="5" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+    <margin top="10" left="10" bottom="10" right="10"/>
+    <constraints>
+      <xy x="20" y="20" width="446" height="247"/>
+    </constraints>
+    <properties/>
+    <border type="none"/>
+    <children>
+      <component id="c0da9" class="javax.swing.JSlider" binding="slider1" default-binding="true">
+        <constraints>
+          <grid row="1" column="1" row-span="1" col-span="4" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <paintTicks value="true"/>
+        </properties>
+      </component>
+      <component id="683f1" class="javax.swing.JSpinner" binding="spinner1" default-binding="true">
+        <constraints>
+          <grid row="3" column="2" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+            <preferred-size width="50" height="-1"/>
+          </grid>
+        </constraints>
+        <properties>
+          <enabled value="true"/>
+        </properties>
+      </component>
+      <component id="1b34a" class="javax.swing.JProgressBar" binding="progressBar1" default-binding="true">
+        <constraints>
+          <grid row="2" column="1" row-span="1" col-span="4" vsize-policy="0" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false">
+            <preferred-size width="148" height="30"/>
+          </grid>
+        </constraints>
+        <properties/>
+      </component>
+      <component id="dddcb" class="javax.swing.JButton" binding="button1" default-binding="true">
+        <constraints>
+          <grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false">
+            <preferred-size width="152" height="24"/>
+          </grid>
+        </constraints>
+        <properties>
+          <text value="Begin Key Select"/>
+        </properties>
+      </component>
+      <component id="9436c" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="3" column="3" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Pressing?"/>
+        </properties>
+      </component>
+      <grid id="14553" binding="statusLight" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="0" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="3" column="4" row-span="1" col-span="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false">
+            <preferred-size width="30" height="-1"/>
+          </grid>
+        </constraints>
+        <properties>
+          <background color="-10788278"/>
+        </properties>
+        <border type="none"/>
+        <children/>
+      </grid>
+      <component id="628a8" class="javax.swing.JComboBox" binding="comboBox1" default-binding="true">
+        <constraints>
+          <grid row="0" column="1" row-span="1" col-span="4" vsize-policy="0" hsize-policy="2" anchor="8" fill="1" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+      </component>
+      <component id="67c68" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Microphone"/>
+        </properties>
+      </component>
+      <component id="cd5c2" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Loudness threshold"/>
+        </properties>
+      </component>
+      <component id="9bf1f" class="javax.swing.JLabel">
+        <constraints>
+          <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <text value="Loudness"/>
+        </properties>
+      </component>
+      <grid id="29754" layout-manager="GridLayoutManager" row-count="1" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="5" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="4" column="0" row-span="1" col-span="5" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="c4795" class="javax.swing.JTextPane" binding="thisAppWillTakeTextPane" default-binding="true">
+            <constraints>
+              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="6" anchor="0" fill="3" indent="0" use-parent-layout="false">
+                <preferred-size width="150" height="50"/>
+              </grid>
+            </constraints>
+            <properties>
+              <background color="-1"/>
+              <editable value="false"/>
+              <enabled value="true"/>
+              <font swing-font="Label.font"/>
+              <text value="This app will take care of push-to-talk for you. By default, it holds down the left Alt key (code 18) when you speak. If you want to use a different key, click &quot;Begin Key Select&quot; and press your key to fill in the new code. Tested with Battlefield 4 Beta."/>
+            </properties>
+          </component>
+        </children>
+      </grid>
+    </children>
+  </grid>
+</form>

src/tarehart/alter/AlterForm.java

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+package tarehart.alter;
+
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.Mixer;
+import javax.swing.*;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import java.awt.*;
+import java.awt.event.*;
+import java.net.URL;
+import java.util.List;
+
+
+public class AlterForm {
+
+    public static final int MAX_VOLUME = 50;
+    public static final int GRACE_PERIOD = 1000; // 1000 milliseconds = 1 second
+    private TalkingJudge judge;
+    private KeyPresser presser;
+    private MicrophoneAnalyzer microphoneAnalyzer;
+
+    public AlterForm() throws AWTException {
+
+        microphoneAnalyzer = new MicrophoneAnalyzer();
+        setupMicrophones();
+
+        presser = new KeyPresser();
+        judge = new TalkingJudge(presser, GRACE_PERIOD);
+        presser.setKey(KeyEvent.VK_ALT);
+        spinner1.setValue(KeyEvent.VK_ALT);
+
+        setupKeyBinder();
+
+        progressBar1.setMaximum(MAX_VOLUME);
+        slider1.setMaximum(MAX_VOLUME);
+
+        slider1.setValue(3);
+
+        microphoneAnalyzer.addListener(new AmplitudeUpdateListener() {
+            @Override
+            public void amplitudeUpdated(float newAmplitude) {
+                int level = (int) newAmplitude;
+                progressBar1.setValue(level);
+                if (level >= slider1.getValue()) {
+                    judge.gainSound();
+                    statusLight.setBackground(Color.green);
+                } else {
+                    judge.loseSound();
+                }
+
+                if (!judge.hearsTalking()) {
+                    statusLight.setBackground(Color.darkGray);
+                }
+            }
+        });
+
+
+        spinner1.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                presser.setKey((Integer) spinner1.getValue());
+            }
+        });
+
+    }
+
+    private void setupKeyBinder() {
+        button1.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                KeyGrabber.grabNextKey(spinner1);
+            }
+        });
+    }
+
+    private void setupMicrophones() {
+
+        comboBox1.setRenderer(new ListCellRenderer() {
+            @Override
+            public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+                DefaultListCellRenderer renderer = new DefaultListCellRenderer();
+                Mixer.Info mixer = (Mixer.Info) value;
+                return renderer.getListCellRendererComponent(list, mixer.getName(), index, isSelected, cellHasFocus);
+            }
+        });
+
+        List<Mixer.Info> mixers = AudioSystemHelper.ListAudioInputDevices();
+        for (Mixer.Info mixer: mixers) {
+            comboBox1.addItem(mixer);
+        }
+
+        try {
+            microphoneAnalyzer.setMixer((Mixer.Info) comboBox1.getItemAt(0));
+        } catch (LineUnavailableException e) {
+            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+        }
+
+        comboBox1.addItemListener(new ItemListener() {
+            @Override
+            public void itemStateChanged(ItemEvent e) {
+                if (e.getStateChange() == ItemEvent.SELECTED) {
+                    Mixer.Info mixer = (Mixer.Info) e.getItem();
+                    try {
+                        microphoneAnalyzer.setMixer(mixer);
+                    } catch (LineUnavailableException e1) {
+                        e1.printStackTrace();
+                    }
+                }
+            }
+        });
+    }
+
+    public static void main(String[] args) {
+
+        try {
+            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+        } catch (Exception e) {
+            // Essen
+        }
+        JFrame frame = new JFrame("Alt'er");
+        URL url = ClassLoader.getSystemResource("tarehart/alter/resources/alter.png");
+        Image img = Toolkit.getDefaultToolkit().createImage(url);
+        frame.setIconImage(img);
+
+        try {
+            AlterForm m = new AlterForm();
+            frame.setContentPane(m.rootPanel);
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            frame.pack();
+            frame.setLocationRelativeTo(null);
+            frame.setVisible(true);
+        } catch (AWTException e) {
+            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
+        }
+
+
+    }
+
+    private JProgressBar progressBar1;
+    private JSlider slider1;
+    private JPanel rootPanel;
+    private JButton button1;
+    private JSpinner spinner1;
+    private JPanel statusLight;
+    private JComboBox comboBox1;
+    private JTextPane thisAppWillTakeTextPane;
+}

src/tarehart/alter/AmplitudeUpdateListener.java

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+package tarehart.alter;
+
+public interface AmplitudeUpdateListener {
+
+    public void amplitudeUpdated(float newAmplitude);
+
+}

src/tarehart/alter/AudioSystemHelper.java

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+package tarehart.alter;
+
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Line;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.TargetDataLine;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Some code borrowed from this tutorial:
+ * http://www.technogumbo.com/tutorials/Java-Microphone-Selection-And-Level-Monitoring/Java-Microphone-Selection-And-Level-Monitoring.php
+ */
+public class AudioSystemHelper {
+
+    public static final Line.Info targetDLInfo = new Line.Info(TargetDataLine.class);
+
+    public static List<Mixer.Info> ListAudioInputDevices() {
+        List<Mixer.Info> returnList = new ArrayList<Mixer.Info>();
+        Mixer.Info[] mixerInfo;
+
+        mixerInfo = AudioSystem.getMixerInfo();
+
+        for(int i = 0; i < mixerInfo.length; i++) {
+            Mixer currentMixer = AudioSystem.getMixer(mixerInfo[i]);
+
+            if( currentMixer.isLineSupported(targetDLInfo) ) {
+                returnList.add( mixerInfo[i] );
+            }
+        }
+
+        return returnList;
+    }
+}

src/tarehart/alter/KeyGrabber.java

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+package tarehart.alter;
+
+import javax.swing.*;
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
+
+public class KeyGrabber {
+
+    public static void grabNextKey(final JSpinner listenMe) {
+
+        listenMe.grabFocus();
+
+        listenMe.addKeyListener(new KeyListener() {
+            @Override
+            public void keyTyped(KeyEvent e) { }
+
+            @Override
+            public void keyPressed(KeyEvent e) {
+                int keyCode = e.getKeyCode();
+                listenMe.setValue(keyCode);
+                listenMe.removeKeyListener(this);
+            }
+
+            @Override
+            public void keyReleased(KeyEvent e) { }
+        });
+    }
+
+}