From 42d03f38e3cccad38a1e3000e180662b378343c3 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Wed, 7 May 2014 04:05:40 -0400
Subject: Get the modifier keys working

---
 AndroidManifest.xml                     |  2 +-
 src/us/minak/IMEGestureOverlayView.java | 31 ++++++++++++++++++++++++++-----
 src/us/minak/IMEModifier.java           |  4 +++-
 src/us/minak/IMEModifiers.java          |  6 +++---
 4 files changed, 33 insertions(+), 10 deletions(-)

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 79290e8..05ee7c0 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -5,7 +5,7 @@
     android:versionName="1.0" >
 
     <uses-sdk
-        android:minSdkVersion="11"
+        android:minSdkVersion="12"
         android:targetSdkVersion="19" />
 
     <application
diff --git a/src/us/minak/IMEGestureOverlayView.java b/src/us/minak/IMEGestureOverlayView.java
index 4cfc4b5..35fe1eb 100644
--- a/src/us/minak/IMEGestureOverlayView.java
+++ b/src/us/minak/IMEGestureOverlayView.java
@@ -9,6 +9,7 @@ import android.gesture.Prediction;
 import android.graphics.Canvas;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
+import android.view.KeyCharacterMap;
 import android.view.MotionEvent;
 import android.view.inputmethod.InputConnection;
 
@@ -19,7 +20,12 @@ public class IMEGestureOverlayView extends GestureOverlayView implements OnGestu
 	private final GestureLibrary mGestureLibrary;
 	private InputConnectionGetter icGetter = new InputConnectionGetter.NullGetter();
 	private final IMEModifiers modifiers = new IMEModifiers();
+	private final KeyCharacterMap charMap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
 	float x = -1, y = -1;
+	int meta = 0;
+
+	// cache for repeated calls
+	InputConnection ic = null;
 
 	public IMEGestureOverlayView(Context context, AttributeSet attrs) {
 		super(context, attrs);
@@ -32,6 +38,18 @@ public class IMEGestureOverlayView extends GestureOverlayView implements OnGestu
 		this.icGetter = icGetter;
 	}
 
+	private void sendKeyEvent(KeyEvent keyEvent) {
+		if (ic != null) {
+			ic.sendKeyEvent(new KeyEvent(
+					keyEvent.getDownTime(),
+					keyEvent.getEventTime(),
+					keyEvent.getAction(),
+					keyEvent.getKeyCode(),
+					keyEvent.getRepeatCount(),
+					keyEvent.getMetaState() | meta));
+		}
+	}
+
 	/**
 	 * This function is pretty strongly based on the code in
 	 * Samsung's "Penboard" whitepaper.
@@ -44,20 +62,22 @@ public class IMEGestureOverlayView extends GestureOverlayView implements OnGestu
 			bestPrediction = predictions.get(0);
 		}
 
-		InputConnection ic = icGetter.getCurrentInputConnection();
+		ic = icGetter.getCurrentInputConnection();
 		if (ic != null) {
 			if (bestPrediction != null) {
 				if (bestPrediction.score > SCORE_TRESHOLD) {
-					ic.commitText(bestPrediction.name, 1);
+					for (KeyEvent keyEvent : charMap.getEvents(bestPrediction.name.toCharArray()))
+						sendKeyEvent(keyEvent);
 				} else {
 					clear(false);
 				}
 			}
 			for (IMEModifier modifier : modifiers.getSelection()) {
-				ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, modifier.keycode));
+				sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, modifier.keycode));
 			}
 		}
 		modifiers.clearSelection();
+		meta = 0;
 		invalidate();
 		x = y = -1;
 	}
@@ -76,10 +96,11 @@ public class IMEGestureOverlayView extends GestureOverlayView implements OnGestu
 			modifiers.setSelectionPoint(x, y);
 			invalidate();
 
-			InputConnection ic = icGetter.getCurrentInputConnection();
+			ic = icGetter.getCurrentInputConnection();
 			if (ic != null) {
 				for (IMEModifier modifier : modifiers.getSelection()) {
-					ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, modifier.keycode));
+					sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, modifier.keycode));
+					meta |= modifier.metamask;
 				}
 				return true;
 			}
diff --git a/src/us/minak/IMEModifier.java b/src/us/minak/IMEModifier.java
index a3ea3fc..50dc6d3 100644
--- a/src/us/minak/IMEModifier.java
+++ b/src/us/minak/IMEModifier.java
@@ -3,9 +3,11 @@ package us.minak;
 public class IMEModifier {
 	public final String name;
 	public final int keycode;
+	public final int metamask;
 
-	public IMEModifier(String name, int keycode) {
+	public IMEModifier(String name, int keycode, int metamask) {
 		this.name = name;
 		this.keycode = keycode;
+		this.metamask = metamask;
 	}
 }
diff --git a/src/us/minak/IMEModifiers.java b/src/us/minak/IMEModifiers.java
index 645ae4a..2766c76 100644
--- a/src/us/minak/IMEModifiers.java
+++ b/src/us/minak/IMEModifiers.java
@@ -10,9 +10,9 @@ import java.util.List;
 public class IMEModifiers {
 	// FIXME: hard-coded configuration
 	private final IMEModifier[] modifiers = {
-		new IMEModifier("Shift", KeyEvent.KEYCODE_SHIFT_LEFT),
-		new IMEModifier("Ctrl" , KeyEvent.KEYCODE_CTRL_LEFT ),
-		new IMEModifier("Alt"  , KeyEvent.KEYCODE_ALT_LEFT  )};
+		new IMEModifier("Shift", KeyEvent.KEYCODE_SHIFT_LEFT, KeyEvent.META_SHIFT_ON),
+		new IMEModifier("Ctrl" , KeyEvent.KEYCODE_CTRL_LEFT , KeyEvent.META_CTRL_ON ),
+		new IMEModifier("Alt"  , KeyEvent.KEYCODE_ALT_LEFT  , KeyEvent.META_ALT_ON  )};
 
 	// Static drawing resources
 	private final Paint colorPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
-- 
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