Draw popup hint "..." by text rendering

Bug: 4959808
Change-Id: I30456b91852904c6801cbdd6476406fd60e84551

java/res/values/attrs.xml

@@ -64,9 +64,6 @@
         <attr name="keyUppercaseLetterInactivatedColor" format="color" />
         <attr name="keyUppercaseLetterActivatedColor" format="color" />
 
-        <!-- Popup hint icon "..." -->
-        <attr name="keyPopupHintIcon" format="reference" />
-
         <!-- Layout resource for key press feedback.-->
         <attr name="keyPreviewLayout" format="reference" />
         <!-- The background for key press feedback. -->

java/res/values/styles.xml

@@ -49,7 +49,6 @@
         <item name="keyHintLabelColor">#E0E0E4E5</item>
         <item name="keyUppercaseLetterInactivatedColor">#66E0E4E5</item>
         <item name="keyUppercaseLetterActivatedColor">#CCE0E4E5</item>
-        <item name="keyPopupHintIcon">@drawable/hint_popup</item>
         <item name="keyPreviewLayout">@layout/key_preview</item>
         <item name="keyPreviewBackground">@drawable/keyboard_key_feedback</item>
         <item name="keyPreviewSpacebarBackground">@drawable/keyboard_key_feedback</item>

java/src/com/android/inputmethod/keyboard/KeyboardView.java

@@ -100,7 +100,6 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
 
     // Miscellaneous constants
     private static final int[] LONG_PRESSABLE_STATE_SET = { android.R.attr.state_long_pressable };
-    private static final int HINT_ICON_VERTICAL_ADJUSTMENT_PIXEL = -1;
 
     // XML attribute
     private final int mKeyTextColor;
@@ -125,12 +124,14 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
     private final int mPreviewOffset;
     private final int mPreviewHeight;
     private final int mPopupLayout;
-    private final Drawable mKeyPopupHintIcon;
     private final int mKeyHintLetterColor;
     private final int mKeyHintLabelColor;
     private final int mKeyUppercaseLetterInactivatedColor;
     private final int mKeyUppercaseLetterActivatedColor;
 
+    // HORIZONTAL ELLIPSIS "...", character for popup hint.
+    private static final String POPUP_HINT_CHAR = "\u2026";
+
     // Main keyboard
     private Keyboard mKeyboard;
     private int mKeyLetterSize;
@@ -369,7 +370,6 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         mKeyTextColor = a.getColor(R.styleable.KeyboardView_keyTextColor, 0xFF000000);
         mKeyTextInactivatedColor = a.getColor(
                 R.styleable.KeyboardView_keyTextInactivatedColor, 0xFF000000);
-        mKeyPopupHintIcon = a.getDrawable(R.styleable.KeyboardView_keyPopupHintIcon);
         mKeyHintLetterColor = a.getColor(R.styleable.KeyboardView_keyHintLetterColor, 0);
         mKeyHintLabelColor = a.getColor(R.styleable.KeyboardView_keyHintLabelColor, 0);
         mKeyUppercaseLetterInactivatedColor = a.getColor(
@@ -838,19 +838,15 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
             }
         }
 
-        // Draw popup hint icon "...".
-        // TODO: Draw "..." by text.
+        // Draw popup hint "..." at the bottom right corner of the key.
         if (key.hasPopupHint()) {
-            final int drawableWidth = keyDrawWidth;
-            final int drawableHeight = key.mHeight;
-            final int drawableX = 0;
-            final int drawableY = HINT_ICON_VERTICAL_ADJUSTMENT_PIXEL;
-            final Drawable hintIcon = mKeyPopupHintIcon;
-            drawIcon(canvas, hintIcon, drawableX, drawableY, drawableWidth, drawableHeight);
-            if (DEBUG_SHOW_ALIGN) {
-                drawRectangle(canvas, drawableX, drawableY, drawableWidth, drawableHeight,
-                        0x80c0c000, new Paint());
-            }
+            paint.setTextSize(mKeyHintLetterSize);
+            paint.setColor(mKeyHintLabelColor);
+            final int hintX = keyDrawWidth - getLabelCharWidth(paint);
+            // Using y-coordinate "key.mHeight - paint.descent()" draws "..." just on the bottom
+            // edge of the key. So we use slightly higher position by multiply descent length by 2.
+            final int hintY = key.mHeight - (int)paint.descent() * 2;
+            canvas.drawText(POPUP_HINT_CHAR, hintX, hintY, paint);
         }
 
         canvas.translate(-keyDrawX - kbdPaddingLeft, -key.mY - kbdPaddingTop);