volume rocker: volume key cursor control

rascarlo · Nov 12, 2014 · b382699 · b382699
1 parent c123a0c
commit b382699
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Showing 2 changed files with 52 additions and 2 deletions.
diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
@@ -251,6 +251,20 @@ public class InputMethodService extends AbstractInputMethodService {
      */
     public static final int IME_VISIBLE = 0x2;
 
+    int mVolumeKeyCursorControl = 0;
+    /**
+     * @hide
+     */
+    public static final int VOLUME_CURSOR_OFF = 0;
+    /**
+     * @hide
+     */
+    public static final int VOLUME_CURSOR_ON = 1;
+    /**
+     * @hide
+     */
+    public static final int VOLUME_CURSOR_ON_REVERSE = 2;
+
     InputMethodManager mImm;
 
     int mTheme = 0;
@@ -1803,6 +1817,26 @@ public boolean onKeyDown(int keyCode, KeyEvent event) {
                 return true;
             }
             return false;
+        }
+            if (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP) {
+                mVolumeKeyCursorControl = Settings.System.getInt(getContentResolver(),
+                        Settings.System.VOLUME_KEY_CURSOR_CONTROL, 0);
+                if (isInputViewShown() && (mVolumeKeyCursorControl != VOLUME_CURSOR_OFF)) {
+                    sendDownUpKeyEvents((mVolumeKeyCursorControl == VOLUME_CURSOR_ON_REVERSE)
+                            ? KeyEvent.KEYCODE_DPAD_RIGHT : KeyEvent.KEYCODE_DPAD_LEFT);
+                    return true;
+                }
+                return false;
+            }
+            if (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN) {
+                mVolumeKeyCursorControl = Settings.System.getInt(getContentResolver(),
+                        Settings.System.VOLUME_KEY_CURSOR_CONTROL, 0);
+                if (isInputViewShown() && (mVolumeKeyCursorControl != VOLUME_CURSOR_OFF)) {
+                    sendDownUpKeyEvents((mVolumeKeyCursorControl == VOLUME_CURSOR_ON_REVERSE)
+                            ? KeyEvent.KEYCODE_DPAD_LEFT : KeyEvent.KEYCODE_DPAD_RIGHT);
+                    return true;
+                }
+                return false;
         }
         return doMovementKey(keyCode, event, MOVEMENT_DOWN);
     }
@@ -1848,8 +1882,15 @@ public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (event.getKeyCode() == KeyEvent.KEYCODE_BACK && event.isTracking()
                 && !event.isCanceled()) {
             return handleBack(true);
-        }
-
+        } if (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP
+                || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
+           mVolumeKeyCursorControl = Settings.System.getInt(getContentResolver(),
+                   Settings.System.VOLUME_KEY_CURSOR_CONTROL, 0);
+           if (isInputViewShown() && (mVolumeKeyCursorControl != VOLUME_CURSOR_OFF)) {
+               return true;
+           }
+           return false;
+       }
         return doMovementKey(keyCode, event, MOVEMENT_UP);
     }
 

diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
@@ -2645,6 +2645,15 @@ public static void setShowGTalkServiceStatusForUser(ContentResolver cr, boolean
          */
         public static final String STATUS_BAR_NATIVE_BATTERY_PERCENTAGE = "status_bar_native_battery_percentage";
 
+        /**
+         * Volume keys control cursor in text fields (default is 0)
+         * 0 - Disabled
+         * 1 - Volume up/down moves cursor left/right
+         * 2 - Volume up/down moves cursor right/left
+         * @hide
+         */
+        public static final String VOLUME_KEY_CURSOR_CONTROL = "volume_key_cursor_control";
+
         /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.