1 /* 2 * Copyright (C) 2008-2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.softkeyboard; 18 19 import android.content.Context; 20 import android.content.res.Resources; 21 import android.content.res.XmlResourceParser; 22 import android.graphics.drawable.Drawable; 23 import android.inputmethodservice.Keyboard; 24 import android.view.inputmethod.EditorInfo; 25 26 public class LatinKeyboard extends Keyboard { 27 28 private Key mEnterKey; 29 private Key mSpaceKey; 30 LatinKeyboard(Context context, int xmlLayoutResId)31 public LatinKeyboard(Context context, int xmlLayoutResId) { 32 super(context, xmlLayoutResId); 33 } 34 LatinKeyboard(Context context, int layoutTemplateResId, CharSequence characters, int columns, int horizontalPadding)35 public LatinKeyboard(Context context, int layoutTemplateResId, 36 CharSequence characters, int columns, int horizontalPadding) { 37 super(context, layoutTemplateResId, characters, columns, horizontalPadding); 38 } 39 40 @Override createKeyFromXml(Resources res, Row parent, int x, int y, XmlResourceParser parser)41 protected Key createKeyFromXml(Resources res, Row parent, int x, int y, 42 XmlResourceParser parser) { 43 Key key = new LatinKey(res, parent, x, y, parser); 44 if (key.codes[0] == 10) { 45 mEnterKey = key; 46 } else if (key.codes[0] == ' ') { 47 mSpaceKey = key; 48 } 49 return key; 50 } 51 52 /** 53 * This looks at the ime options given by the current editor, to set the 54 * appropriate label on the keyboard's enter key (if it has one). 55 */ setImeOptions(Resources res, int options)56 void setImeOptions(Resources res, int options) { 57 if (mEnterKey == null) { 58 return; 59 } 60 61 switch (options&(EditorInfo.IME_MASK_ACTION|EditorInfo.IME_FLAG_NO_ENTER_ACTION)) { 62 case EditorInfo.IME_ACTION_GO: 63 mEnterKey.iconPreview = null; 64 mEnterKey.icon = null; 65 mEnterKey.label = res.getText(R.string.label_go_key); 66 break; 67 case EditorInfo.IME_ACTION_NEXT: 68 mEnterKey.iconPreview = null; 69 mEnterKey.icon = null; 70 mEnterKey.label = res.getText(R.string.label_next_key); 71 break; 72 case EditorInfo.IME_ACTION_SEARCH: 73 mEnterKey.icon = res.getDrawable(R.drawable.sym_keyboard_search); 74 mEnterKey.label = null; 75 break; 76 case EditorInfo.IME_ACTION_SEND: 77 mEnterKey.iconPreview = null; 78 mEnterKey.icon = null; 79 mEnterKey.label = res.getText(R.string.label_send_key); 80 break; 81 default: 82 mEnterKey.icon = res.getDrawable(R.drawable.sym_keyboard_return); 83 mEnterKey.label = null; 84 break; 85 } 86 } 87 setSpaceIcon(final Drawable icon)88 void setSpaceIcon(final Drawable icon) { 89 if (mSpaceKey != null) { 90 mSpaceKey.icon = icon; 91 } 92 } 93 94 static class LatinKey extends Keyboard.Key { 95 LatinKey(Resources res, Keyboard.Row parent, int x, int y, XmlResourceParser parser)96 public LatinKey(Resources res, Keyboard.Row parent, int x, int y, XmlResourceParser parser) { 97 super(res, parent, x, y, parser); 98 } 99 100 /** 101 * Overriding this method so that we can reduce the target area for the key that 102 * closes the keyboard. 103 */ 104 @Override isInside(int x, int y)105 public boolean isInside(int x, int y) { 106 return super.isInside(x, codes[0] == KEYCODE_CANCEL ? y - 10 : y); 107 } 108 } 109 110 } 111