Increase the horizontal gap between shift/delete and normal keys

This change also adds capability to add horizontal padding to the
keyboard.

Bug: 4269094
Change-Id: I805e76b253a497079517c01bd2a976f8702f7e56

java/res/layout/input_basic.xml

@@ -25,6 +25,7 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:padding="0dip"
         android:background="@drawable/keyboard_background"
 
         latin:keyBackground="@drawable/btn_keyboard_key"

java/res/layout/input_basic_highcontrast.xml

@@ -21,11 +21,11 @@
 <com.android.inputmethod.keyboard.LatinKeyboardView
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
-
         android:id="@+id/LatinkeyboardBaseView"
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:padding="0dip"
         android:background="@android:color/black"
 
         latin:keyBackground="@drawable/btn_keyboard_key3"

java/res/layout/input_gingerbread.xml

@@ -25,8 +25,7 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingTop="@dimen/keyboard_top_padding"
+        android:padding="0dip"
-        android:paddingBottom="@dimen/keyboard_bottom_padding"
         android:background="@drawable/keyboard_dark_background"
 
         latin:keyBackground="@drawable/btn_keyboard_key_gingerbread"

java/res/layout/input_honeycomb.xml

@@ -25,8 +25,7 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingTop="@dimen/keyboard_top_padding"
+        android:padding="0dip"
-        android:paddingBottom="@dimen/keyboard_bottom_padding"
         android:background="@drawable/keyboard_background_holo"
 
         latin:keyBackground="@drawable/btn_keyboard_key_honeycomb"

java/res/layout/input_stone_bold.xml

@@ -25,6 +25,7 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:padding="0dip"
         android:background="@drawable/keyboard_background"
 
         latin:keyBackground="@drawable/btn_keyboard_key_stone"
@@ -33,5 +34,5 @@
         latin:shadowColor="@color/latinkeyboard_key_color_white"
         latin:keyLetterStyle="bold"
         latin:colorScheme="black"
-        latin:popupLayout="@layout/input_stone_popup"
+        latin:popupLayout="@layout/keyboard_popup_stone"
         />

java/res/layout/input_stone_normal.xml

@@ -25,6 +25,7 @@
         android:layout_alignParentBottom="true"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:padding="0dip"
         android:background="@drawable/keyboard_background"
 
         latin:keyBackground="@drawable/btn_keyboard_key_stone"
@@ -32,5 +33,5 @@
         latin:keyTextColorDisabled="#FF808080"
         latin:shadowColor="@color/latinkeyboard_key_color_white"
         latin:colorScheme="black"
-        latin:popupLayout="@layout/input_stone_popup"
+        latin:popupLayout="@layout/keyboard_popup_stone"
         />

java/res/layout/keyboard_popup_stone.xml

@@ -36,6 +36,5 @@
             latin:keyBackground="@drawable/btn_keyboard_key_stone"
             latin:keyTextColor="@color/latinkeyboard_key_color_black"
             latin:shadowColor="@color/latinkeyboard_key_color_white"
-            latin:popupLayout="@layout/input_stone_popup"
         />
 </LinearLayout>

java/res/values-land/dimens.xml

@@ -27,6 +27,7 @@
     <dimen name="popup_key_height">0.270in</dimen>
     <dimen name="keyboard_top_padding">0.0in</dimen>
     <dimen name="keyboard_bottom_padding">0.0in</dimen>
+    <dimen name="keyboard_horizontal_edges_padding">0.0in</dimen>
     <dimen name="candidate_strip_height">38dip</dimen>
     <dimen name="candidate_strip_fading_edge_length">63dip</dimen>
     <dimen name="spacebar_vertical_correction">2dip</dimen>

java/res/values-xlarge-land/dimens.xml

@@ -28,6 +28,7 @@
     <dimen name="popup_key_height">13.0mm</dimen>
     <dimen name="keyboard_top_padding">1.1mm</dimen>
     <dimen name="keyboard_bottom_padding">0.0mm</dimen>
+    <dimen name="keyboard_horizontal_edges_padding">0.0mm</dimen>
 
     <dimen name="key_letter_size">28dip</dimen>
     <dimen name="key_label_text_size">20dip</dimen>

java/res/values-xlarge/dimens.xml

@@ -28,6 +28,7 @@
     <dimen name="popup_key_height">10.0mm</dimen>
     <dimen name="keyboard_top_padding">1.1mm</dimen>
     <dimen name="keyboard_bottom_padding">0.0mm</dimen>
+    <dimen name="keyboard_horizontal_edges_padding">0.0mm</dimen>
     <dimen name="mini_keyboard_horizontal_padding_holo">40dip</dimen>
     <dimen name="mini_keyboard_key_horizontal_padding">12dip</dimen>
     <!-- Amount of allowance for selecting keys in a mini popup keyboard by sliding finger. -->

java/res/values/dimens.xml

@@ -28,6 +28,7 @@
     <dimen name="popup_key_height">0.325in</dimen>
     <dimen name="keyboard_top_padding">0.00in</dimen>
     <dimen name="keyboard_bottom_padding">0.06in</dimen>
+    <dimen name="keyboard_horizontal_edges_padding">0.0in</dimen>
     <dimen name="mini_keyboard_horizontal_padding">16dip</dimen>
     <dimen name="mini_keyboard_horizontal_padding_holo">32dip</dimen>
     <dimen name="mini_keyboard_key_horizontal_padding">8dip</dimen>

java/res/xml/kbd_qwerty_row3.xml

@@ -26,8 +26,10 @@
     >
         <Key
             latin:keyStyle="shiftKeyStyle"
-            latin:keyWidth="15%p"
+            latin:keyWidth="13%p"
             latin:keyEdgeFlags="left" />
+        <Spacer
+            latin:horizontalGap="2%p" />
         <Key
             latin:keyLabel="z"
             latin:popupCharacters="@string/alternates_for_z" />
@@ -46,9 +48,11 @@
             latin:popupCharacters="@string/alternates_for_n" />
         <Key
             latin:keyLabel="m" />
+        <Spacer
+            latin:horizontalGap="2%p" />
         <Key
             latin:keyStyle="deleteKeyStyle"
-            latin:keyWidth="15%p"
+            latin:keyWidth="13%p"
             latin:keyEdgeFlags="right" />
     </Row>
 </merge>

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

@@ -165,7 +165,9 @@ public class Keyboard {
         GRID_HEIGHT = res.getInteger(R.integer.config_keyboard_grid_height);
         GRID_SIZE = GRID_WIDTH * GRID_HEIGHT;
 
-        mDisplayWidth = width;
+        final int horizontalEdgesPadding = (int)res.getDimension(
+                R.dimen.keyboard_horizontal_edges_padding);
+        mDisplayWidth = width - horizontalEdgesPadding * 2;
         mDisplayHeight = height;
 
         mDefaultHorizontalGap = 0;

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

@@ -122,6 +122,7 @@ public class KeyboardParser {
     private final Keyboard mKeyboard;
     private final Resources mResources;
 
+    private int mHorizontalEdgesPadding;
     private int mCurrentX = 0;
     private int mCurrentY = 0;
     private int mMaxRowWidth = 0;
@@ -132,6 +133,7 @@ public class KeyboardParser {
     public KeyboardParser(Keyboard keyboard, Resources res) {
         mKeyboard = keyboard;
         mResources = res;
+        mHorizontalEdgesPadding = (int)res.getDimension(R.dimen.keyboard_horizontal_edges_padding);
     }
 
     public int getMaxRowWidth() {
@@ -151,6 +153,7 @@ public class KeyboardParser {
                 final String tag = parser.getName();
                 if (TAG_KEYBOARD.equals(tag)) {
                     parseKeyboardAttributes(parser);
+                    startKeyboard();
                     parseKeyboardContent(parser, mKeyboard.getKeys());
                     break;
                 } else {
@@ -520,25 +523,32 @@ public class KeyboardParser {
         throw new NonEmptyTag(tag, parser);
     }
 
+    private void startKeyboard() {
+        mCurrentY += (int)mResources.getDimension(R.dimen.keyboard_top_padding);
+    }
+
     private void startRow(Row row) {
         mCurrentX = 0;
+        setSpacer(mHorizontalEdgesPadding);
         mCurrentRow = row;
     }
 
     private void endRow() {
         if (mCurrentRow == null)
             throw new InflateException("orphant end row tag");
+        setSpacer(mHorizontalEdgesPadding);
+        if (mCurrentX > mMaxRowWidth)
+            mMaxRowWidth = mCurrentX;
         mCurrentY += mCurrentRow.mDefaultHeight;
         mCurrentRow = null;
     }
 
     private void endKey(Key key) {
         mCurrentX += key.mGap + key.mWidth;
-        if (mCurrentX > mMaxRowWidth)
-            mMaxRowWidth = mCurrentX;
     }
 
     private void endKeyboard(int defaultVerticalGap) {
+        mCurrentY += (int)mResources.getDimension(R.dimen.keyboard_bottom_padding);
         mTotalHeight = mCurrentY - defaultVerticalGap;
     }
 

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

@@ -1056,7 +1056,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
         mKeyboardActionListener.onCodeInput(Keyboard.CODE_CAPSLOCK, null, 0, 0);
     }
 
-    private void onDoubleTapShiftKey(PointerTracker tracker) {
+    private void onDoubleTapShiftKey(@SuppressWarnings("unused") PointerTracker tracker) {
         // When shift key is double tapped, the first tap is correctly processed as usual tap. And
         // the second tap is treated as this double tap event, so that we need not mark tracker
         // calling setAlreadyProcessed() nor remove the tracker from mPointerQueueueue.