728 lines
28 KiB
Java
728 lines
28 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.keyboard;
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import static com.android.inputmethod.keyboard.Keyboard.CODE_OUTPUT_TEXT;
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import static com.android.inputmethod.keyboard.Keyboard.CODE_SHIFT;
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import static com.android.inputmethod.keyboard.Keyboard.CODE_SWITCH_ALPHA_SYMBOL;
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import static com.android.inputmethod.keyboard.Keyboard.CODE_UNSPECIFIED;
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import static com.android.inputmethod.keyboard.internal.KeyboardIconsSet.ICON_UNDEFINED;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.Rect;
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import android.graphics.Typeface;
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import android.graphics.drawable.Drawable;
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import android.text.TextUtils;
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import android.util.Log;
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import android.util.Xml;
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import com.android.inputmethod.keyboard.internal.KeySpecParser;
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import com.android.inputmethod.keyboard.internal.KeySpecParser.MoreKeySpec;
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import com.android.inputmethod.keyboard.internal.KeyStyles.KeyStyle;
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import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
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import com.android.inputmethod.latin.R;
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import com.android.inputmethod.latin.StringUtils;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.util.Arrays;
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/**
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* Class for describing the position and characteristics of a single key in the keyboard.
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*/
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public class Key {
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private static final String TAG = Key.class.getSimpleName();
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/**
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* The key code (unicode or custom code) that this key generates.
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*/
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public final int mCode;
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public final int mAltCode;
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/** Label to display */
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public final String mLabel;
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/** Hint label to display on the key in conjunction with the label */
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public final String mHintLabel;
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/** Flags of the label */
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private final int mLabelFlags;
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private static final int LABEL_FLAGS_ALIGN_LEFT = 0x01;
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private static final int LABEL_FLAGS_ALIGN_RIGHT = 0x02;
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private static final int LABEL_FLAGS_ALIGN_LEFT_OF_CENTER = 0x08;
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private static final int LABEL_FLAGS_FONT_NORMAL = 0x10;
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private static final int LABEL_FLAGS_FONT_MONO_SPACE = 0x20;
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private static final int LABEL_FLAGS_FOLLOW_KEY_RATIO_MASK = 0x1C0;
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private static final int LABEL_FLAGS_FOLLOW_KEY_LARGE_LETTER_RATIO = 0x40;
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private static final int LABEL_FLAGS_FOLLOW_KEY_LETTER_RATIO = 0x80;
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private static final int LABEL_FLAGS_FOLLOW_KEY_LABEL_RATIO = 0xC0;
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private static final int LABEL_FLAGS_FOLLOW_KEY_HINT_LABEL_RATIO = 0x100;
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private static final int LABEL_FLAGS_HAS_POPUP_HINT = 0x200;
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private static final int LABEL_FLAGS_HAS_SHIFTED_LETTER_HINT = 0x400;
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private static final int LABEL_FLAGS_HAS_HINT_LABEL = 0x800;
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private static final int LABEL_FLAGS_WITH_ICON_LEFT = 0x1000;
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private static final int LABEL_FLAGS_WITH_ICON_RIGHT = 0x2000;
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private static final int LABEL_FLAGS_AUTO_X_SCALE = 0x4000;
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private static final int LABEL_FLAGS_PRESERVE_CASE = 0x8000;
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private static final int LABEL_FLAGS_SHIFTED_LETTER_ACTIVATED = 0x10000;
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private static final int LABEL_FLAGS_FROM_CUSTOM_ACTION_LABEL = 0x20000;
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private static final int LABEL_FLAGS_DISABLE_HINT_LABEL = 0x40000000;
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private static final int LABEL_FLAGS_DISABLE_ADDITIONAL_MORE_KEYS = 0x80000000;
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/** Icon to display instead of a label. Icon takes precedence over a label */
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private final int mIconId;
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/** Icon for disabled state */
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private final int mDisabledIconId;
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/** Preview version of the icon, for the preview popup */
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private final int mPreviewIconId;
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/** Width of the key, not including the gap */
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public final int mWidth;
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/** Height of the key, not including the gap */
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public final int mHeight;
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/** The horizontal gap around this key */
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public final int mHorizontalGap;
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/** The vertical gap below this key */
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public final int mVerticalGap;
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/** The visual insets */
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public final int mVisualInsetsLeft;
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public final int mVisualInsetsRight;
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/** X coordinate of the key in the keyboard layout */
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public final int mX;
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/** Y coordinate of the key in the keyboard layout */
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public final int mY;
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/** Hit bounding box of the key */
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public final Rect mHitBox = new Rect();
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/** Text to output when pressed. This can be multiple characters, like ".com" */
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public final CharSequence mOutputText;
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/** More keys */
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public final MoreKeySpec[] mMoreKeys;
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/** More keys column number and flags */
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private final int mMoreKeysColumnAndFlags;
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private static final int MORE_KEYS_COLUMN_MASK = 0x000000ff;
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private static final int MORE_KEYS_FLAGS_FIXED_COLUMN_ORDER = 0x80000000;
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private static final int MORE_KEYS_FLAGS_HAS_LABELS = 0x40000000;
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private static final int MORE_KEYS_FLAGS_NEEDS_DIVIDERS = 0x20000000;
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private static final int MORE_KEYS_FLAGS_EMBEDDED_MORE_KEY = 0x10000000;
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private static final String MORE_KEYS_AUTO_COLUMN_ORDER = "!autoColumnOrder!";
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private static final String MORE_KEYS_FIXED_COLUMN_ORDER = "!fixedColumnOrder!";
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private static final String MORE_KEYS_HAS_LABELS = "!hasLabels!";
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private static final String MORE_KEYS_NEEDS_DIVIDERS = "!needsDividers!";
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private static final String MORE_KEYS_EMBEDDED_MORE_KEY = "!embeddedMoreKey!";
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/** Background type that represents different key background visual than normal one. */
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public final int mBackgroundType;
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public static final int BACKGROUND_TYPE_NORMAL = 0;
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public static final int BACKGROUND_TYPE_FUNCTIONAL = 1;
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public static final int BACKGROUND_TYPE_ACTION = 2;
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public static final int BACKGROUND_TYPE_STICKY_OFF = 3;
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public static final int BACKGROUND_TYPE_STICKY_ON = 4;
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private final int mActionFlags;
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private static final int ACTION_FLAGS_IS_REPEATABLE = 0x01;
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private static final int ACTION_FLAGS_NO_KEY_PREVIEW = 0x02;
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private static final int ACTION_FLAGS_ALT_CODE_WHILE_TYPING = 0x04;
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private static final int ACTION_FLAGS_ENABLE_LONG_PRESS = 0x08;
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private final int mHashCode;
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/** The current pressed state of this key */
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private boolean mPressed;
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/** Key is enabled and responds on press */
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private boolean mEnabled = true;
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/**
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* This constructor is being used only for keys in more keys keyboard.
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*/
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public Key(Keyboard.Params params, MoreKeySpec moreKeySpec, int x, int y, int width, int height,
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int labelFlags) {
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this(params, moreKeySpec.mLabel, null, moreKeySpec.mIconId, moreKeySpec.mCode,
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moreKeySpec.mOutputText, x, y, width, height, labelFlags);
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}
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/**
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* This constructor is being used only for key in popup suggestions pane.
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*/
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public Key(Keyboard.Params params, String label, String hintLabel, int iconId,
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int code, String outputText, int x, int y, int width, int height, int labelFlags) {
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mHeight = height - params.mVerticalGap;
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mHorizontalGap = params.mHorizontalGap;
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mVerticalGap = params.mVerticalGap;
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mVisualInsetsLeft = mVisualInsetsRight = 0;
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mWidth = width - mHorizontalGap;
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mHintLabel = hintLabel;
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mLabelFlags = labelFlags;
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mBackgroundType = BACKGROUND_TYPE_NORMAL;
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mActionFlags = 0;
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mMoreKeys = null;
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mMoreKeysColumnAndFlags = 0;
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mLabel = label;
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mOutputText = outputText;
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mCode = code;
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mEnabled = (code != CODE_UNSPECIFIED);
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mAltCode = CODE_UNSPECIFIED;
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mIconId = iconId;
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mDisabledIconId = ICON_UNDEFINED;
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mPreviewIconId = ICON_UNDEFINED;
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// Horizontal gap is divided equally to both sides of the key.
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mX = x + mHorizontalGap / 2;
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mY = y;
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mHitBox.set(x, y, x + width + 1, y + height);
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mHashCode = computeHashCode(this);
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}
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/**
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* Create a key with the given top-left coordinate and extract its attributes from the XML
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* parser.
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* @param res resources associated with the caller's context
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* @param params the keyboard building parameters.
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* @param row the row that this key belongs to. row's x-coordinate will be the right edge of
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* this key.
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* @param parser the XML parser containing the attributes for this key
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* @throws XmlPullParserException
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*/
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public Key(Resources res, Keyboard.Params params, Keyboard.Builder.Row row,
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XmlPullParser parser) throws XmlPullParserException {
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final float horizontalGap = isSpacer() ? 0 : params.mHorizontalGap;
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final int keyHeight = row.mRowHeight;
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mVerticalGap = params.mVerticalGap;
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mHeight = keyHeight - mVerticalGap;
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final TypedArray keyAttr = res.obtainAttributes(Xml.asAttributeSet(parser),
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R.styleable.Keyboard_Key);
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final KeyStyle style = params.mKeyStyles.getKeyStyle(keyAttr, parser);
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final float keyXPos = row.getKeyX(keyAttr);
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final float keyWidth = row.getKeyWidth(keyAttr, keyXPos);
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final int keyYPos = row.getKeyY();
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// Horizontal gap is divided equally to both sides of the key.
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mX = (int) (keyXPos + horizontalGap / 2);
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mY = keyYPos;
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mWidth = (int) (keyWidth - horizontalGap);
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mHorizontalGap = (int) horizontalGap;
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mHitBox.set((int)keyXPos, keyYPos, (int)(keyXPos + keyWidth) + 1, keyYPos + keyHeight);
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// Update row to have current x coordinate.
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row.setXPos(keyXPos + keyWidth);
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mBackgroundType = style.getInt(keyAttr,
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R.styleable.Keyboard_Key_backgroundType, BACKGROUND_TYPE_NORMAL);
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mVisualInsetsLeft = (int) Keyboard.Builder.getDimensionOrFraction(keyAttr,
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R.styleable.Keyboard_Key_visualInsetsLeft, params.mBaseWidth, 0);
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mVisualInsetsRight = (int) Keyboard.Builder.getDimensionOrFraction(keyAttr,
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R.styleable.Keyboard_Key_visualInsetsRight, params.mBaseWidth, 0);
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mIconId = KeySpecParser.getIconId(style.getString(keyAttr,
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R.styleable.Keyboard_Key_keyIcon));
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mDisabledIconId = KeySpecParser.getIconId(style.getString(keyAttr,
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R.styleable.Keyboard_Key_keyIconDisabled));
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mPreviewIconId = KeySpecParser.getIconId(style.getString(keyAttr,
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R.styleable.Keyboard_Key_keyIconPreview));
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mLabelFlags = style.getFlag(keyAttr, R.styleable.Keyboard_Key_keyLabelFlags)
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| row.getDefaultKeyLabelFlags();
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final boolean preserveCase = (mLabelFlags & LABEL_FLAGS_PRESERVE_CASE) != 0;
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int actionFlags = style.getFlag(keyAttr, R.styleable.Keyboard_Key_keyActionFlags);
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String[] moreKeys = style.getStringArray(keyAttr, R.styleable.Keyboard_Key_moreKeys);
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int moreKeysColumn = style.getInt(keyAttr,
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R.styleable.Keyboard_Key_maxMoreKeysColumn, params.mMaxMoreKeysKeyboardColumn);
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int value;
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if ((value = KeySpecParser.getIntValue(moreKeys, MORE_KEYS_AUTO_COLUMN_ORDER, -1)) > 0) {
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moreKeysColumn = value & MORE_KEYS_COLUMN_MASK;
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}
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if ((value = KeySpecParser.getIntValue(moreKeys, MORE_KEYS_FIXED_COLUMN_ORDER, -1)) > 0) {
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moreKeysColumn = MORE_KEYS_FLAGS_FIXED_COLUMN_ORDER | (value & MORE_KEYS_COLUMN_MASK);
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}
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if (KeySpecParser.getBooleanValue(moreKeys, MORE_KEYS_HAS_LABELS)) {
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moreKeysColumn |= MORE_KEYS_FLAGS_HAS_LABELS;
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}
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if (KeySpecParser.getBooleanValue(moreKeys, MORE_KEYS_NEEDS_DIVIDERS)) {
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moreKeysColumn |= MORE_KEYS_FLAGS_NEEDS_DIVIDERS;
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}
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if (KeySpecParser.getBooleanValue(moreKeys, MORE_KEYS_EMBEDDED_MORE_KEY)) {
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moreKeysColumn |= MORE_KEYS_FLAGS_EMBEDDED_MORE_KEY;
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}
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mMoreKeysColumnAndFlags = moreKeysColumn;
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final String[] additionalMoreKeys;
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if ((mLabelFlags & LABEL_FLAGS_DISABLE_ADDITIONAL_MORE_KEYS) != 0) {
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additionalMoreKeys = null;
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} else {
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additionalMoreKeys = style.getStringArray(keyAttr,
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R.styleable.Keyboard_Key_additionalMoreKeys);
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}
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moreKeys = KeySpecParser.insertAdditionalMoreKeys(moreKeys, additionalMoreKeys);
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if (moreKeys != null) {
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actionFlags |= ACTION_FLAGS_ENABLE_LONG_PRESS;
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mMoreKeys = new MoreKeySpec[moreKeys.length];
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for (int i = 0; i < moreKeys.length; i++) {
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mMoreKeys[i] = new MoreKeySpec(adjustCaseOfStringForKeyboardId(
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moreKeys[i], preserveCase, params.mId), params.mCodesSet);
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}
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} else {
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mMoreKeys = null;
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}
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mActionFlags = actionFlags;
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if ((mLabelFlags & LABEL_FLAGS_FROM_CUSTOM_ACTION_LABEL) != 0) {
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mLabel = params.mId.mCustomActionLabel;
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} else {
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mLabel = adjustCaseOfStringForKeyboardId(style.getString(keyAttr,
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R.styleable.Keyboard_Key_keyLabel), preserveCase, params.mId);
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}
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if ((mLabelFlags & LABEL_FLAGS_DISABLE_HINT_LABEL) != 0) {
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mHintLabel = null;
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} else {
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mHintLabel = adjustCaseOfStringForKeyboardId(style.getString(keyAttr,
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R.styleable.Keyboard_Key_keyHintLabel), preserveCase, params.mId);
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}
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String outputText = adjustCaseOfStringForKeyboardId(style.getString(keyAttr,
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R.styleable.Keyboard_Key_keyOutputText), preserveCase, params.mId);
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final int code = KeySpecParser.parseCode(style.getString(keyAttr,
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R.styleable.Keyboard_Key_code), params.mCodesSet, CODE_UNSPECIFIED);
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// Choose the first letter of the label as primary code if not specified.
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if (code == CODE_UNSPECIFIED && TextUtils.isEmpty(outputText)
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&& !TextUtils.isEmpty(mLabel)) {
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if (StringUtils.codePointCount(mLabel) == 1) {
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// Use the first letter of the hint label if shiftedLetterActivated flag is
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// specified.
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if (hasShiftedLetterHint() && isShiftedLetterActivated()
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&& !TextUtils.isEmpty(mHintLabel)) {
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mCode = mHintLabel.codePointAt(0);
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} else {
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mCode = mLabel.codePointAt(0);
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}
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} else {
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// In some locale and case, the character might be represented by multiple code
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// points, such as upper case Eszett of German alphabet.
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outputText = mLabel;
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mCode = CODE_OUTPUT_TEXT;
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}
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} else if (code == CODE_UNSPECIFIED && outputText != null) {
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if (StringUtils.codePointCount(outputText) == 1) {
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mCode = outputText.codePointAt(0);
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outputText = null;
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} else {
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mCode = CODE_OUTPUT_TEXT;
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}
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} else {
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mCode = adjustCaseOfCodeForKeyboardId(code, preserveCase, params.mId);
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}
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mOutputText = outputText;
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mAltCode = adjustCaseOfCodeForKeyboardId(KeySpecParser.parseCode(style.getString(keyAttr,
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R.styleable.Keyboard_Key_altCode), params.mCodesSet, CODE_UNSPECIFIED),
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preserveCase, params.mId);
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mHashCode = computeHashCode(this);
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keyAttr.recycle();
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if (hasShiftedLetterHint() && TextUtils.isEmpty(mHintLabel)) {
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Log.w(TAG, "hasShiftedLetterHint specified without keyHintLabel: " + this);
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}
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}
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private static int adjustCaseOfCodeForKeyboardId(int code, boolean preserveCase,
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KeyboardId id) {
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if (!Keyboard.isLetterCode(code) || preserveCase) return code;
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final String text = new String(new int[] { code } , 0, 1);
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final String casedText = adjustCaseOfStringForKeyboardId(text, preserveCase, id);
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return StringUtils.codePointCount(casedText) == 1
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? casedText.codePointAt(0) : CODE_UNSPECIFIED;
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}
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private static String adjustCaseOfStringForKeyboardId(String text, boolean preserveCase,
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KeyboardId id) {
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if (text == null || preserveCase) return text;
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switch (id.mElementId) {
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case KeyboardId.ELEMENT_ALPHABET_MANUAL_SHIFTED:
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case KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED:
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case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED:
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case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCK_SHIFTED:
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return text.toUpperCase(id.mLocale);
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default:
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return text;
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}
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}
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private static int computeHashCode(Key key) {
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return Arrays.hashCode(new Object[] {
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key.mX,
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key.mY,
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key.mWidth,
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key.mHeight,
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key.mCode,
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key.mLabel,
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key.mHintLabel,
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key.mIconId,
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key.mBackgroundType,
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Arrays.hashCode(key.mMoreKeys),
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key.mOutputText,
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key.mActionFlags,
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key.mLabelFlags,
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// Key can be distinguishable without the following members.
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// key.mAltCode,
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// key.mDisabledIconId,
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// key.mPreviewIconId,
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// key.mHorizontalGap,
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// key.mVerticalGap,
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// key.mVisualInsetLeft,
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// key.mVisualInsetRight,
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// key.mMaxMoreKeysColumn,
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});
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}
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private boolean equals(Key o) {
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if (this == o) return true;
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return o.mX == mX
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&& o.mY == mY
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&& o.mWidth == mWidth
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&& o.mHeight == mHeight
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&& o.mCode == mCode
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&& TextUtils.equals(o.mLabel, mLabel)
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&& TextUtils.equals(o.mHintLabel, mHintLabel)
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&& o.mIconId == mIconId
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&& o.mBackgroundType == mBackgroundType
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&& Arrays.equals(o.mMoreKeys, mMoreKeys)
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&& TextUtils.equals(o.mOutputText, mOutputText)
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&& o.mActionFlags == mActionFlags
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&& o.mLabelFlags == mLabelFlags;
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}
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@Override
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public int hashCode() {
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return mHashCode;
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}
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@Override
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public boolean equals(Object o) {
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return o instanceof Key && equals((Key)o);
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}
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@Override
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public String toString() {
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return String.format("%s/%s %d,%d %dx%d %s/%s/%s",
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Keyboard.printableCode(mCode), mLabel, mX, mY, mWidth, mHeight, mHintLabel,
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KeyboardIconsSet.getIconName(mIconId), backgroundName(mBackgroundType));
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}
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private static String backgroundName(int backgroundType) {
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switch (backgroundType) {
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case BACKGROUND_TYPE_NORMAL: return "normal";
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case BACKGROUND_TYPE_FUNCTIONAL: return "functional";
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case BACKGROUND_TYPE_ACTION: return "action";
|
|
case BACKGROUND_TYPE_STICKY_OFF: return "stickyOff";
|
|
case BACKGROUND_TYPE_STICKY_ON: return "stickyOn";
|
|
default: return null;
|
|
}
|
|
}
|
|
|
|
public void markAsLeftEdge(Keyboard.Params params) {
|
|
mHitBox.left = params.mHorizontalEdgesPadding;
|
|
}
|
|
|
|
public void markAsRightEdge(Keyboard.Params params) {
|
|
mHitBox.right = params.mOccupiedWidth - params.mHorizontalEdgesPadding;
|
|
}
|
|
|
|
public void markAsTopEdge(Keyboard.Params params) {
|
|
mHitBox.top = params.mTopPadding;
|
|
}
|
|
|
|
public void markAsBottomEdge(Keyboard.Params params) {
|
|
mHitBox.bottom = params.mOccupiedHeight + params.mBottomPadding;
|
|
}
|
|
|
|
public final boolean isSpacer() {
|
|
return this instanceof Spacer;
|
|
}
|
|
|
|
public boolean isShift() {
|
|
return mCode == CODE_SHIFT;
|
|
}
|
|
|
|
public boolean isModifier() {
|
|
return mCode == CODE_SHIFT || mCode == CODE_SWITCH_ALPHA_SYMBOL;
|
|
}
|
|
|
|
public boolean isRepeatable() {
|
|
return (mActionFlags & ACTION_FLAGS_IS_REPEATABLE) != 0;
|
|
}
|
|
|
|
public boolean noKeyPreview() {
|
|
return (mActionFlags & ACTION_FLAGS_NO_KEY_PREVIEW) != 0;
|
|
}
|
|
|
|
public boolean altCodeWhileTyping() {
|
|
return (mActionFlags & ACTION_FLAGS_ALT_CODE_WHILE_TYPING) != 0;
|
|
}
|
|
|
|
public boolean isLongPressEnabled() {
|
|
// We need not start long press timer on the key which has activated shifted letter.
|
|
return (mActionFlags & ACTION_FLAGS_ENABLE_LONG_PRESS) != 0
|
|
&& (mLabelFlags & LABEL_FLAGS_SHIFTED_LETTER_ACTIVATED) == 0;
|
|
}
|
|
|
|
public Typeface selectTypeface(Typeface defaultTypeface) {
|
|
// TODO: Handle "bold" here too?
|
|
if ((mLabelFlags & LABEL_FLAGS_FONT_NORMAL) != 0) {
|
|
return Typeface.DEFAULT;
|
|
} else if ((mLabelFlags & LABEL_FLAGS_FONT_MONO_SPACE) != 0) {
|
|
return Typeface.MONOSPACE;
|
|
} else {
|
|
return defaultTypeface;
|
|
}
|
|
}
|
|
|
|
public int selectTextSize(int letter, int largeLetter, int label, int hintLabel) {
|
|
switch (mLabelFlags & LABEL_FLAGS_FOLLOW_KEY_RATIO_MASK) {
|
|
case LABEL_FLAGS_FOLLOW_KEY_LARGE_LETTER_RATIO:
|
|
return largeLetter;
|
|
case LABEL_FLAGS_FOLLOW_KEY_LETTER_RATIO:
|
|
return letter;
|
|
case LABEL_FLAGS_FOLLOW_KEY_LABEL_RATIO:
|
|
return label;
|
|
case LABEL_FLAGS_FOLLOW_KEY_HINT_LABEL_RATIO:
|
|
return hintLabel;
|
|
default: // No follow key ratio flag specified.
|
|
return StringUtils.codePointCount(mLabel) == 1 ? letter : label;
|
|
}
|
|
}
|
|
|
|
public boolean isAlignLeft() {
|
|
return (mLabelFlags & LABEL_FLAGS_ALIGN_LEFT) != 0;
|
|
}
|
|
|
|
public boolean isAlignRight() {
|
|
return (mLabelFlags & LABEL_FLAGS_ALIGN_RIGHT) != 0;
|
|
}
|
|
|
|
public boolean isAlignLeftOfCenter() {
|
|
return (mLabelFlags & LABEL_FLAGS_ALIGN_LEFT_OF_CENTER) != 0;
|
|
}
|
|
|
|
public boolean hasPopupHint() {
|
|
return (mLabelFlags & LABEL_FLAGS_HAS_POPUP_HINT) != 0;
|
|
}
|
|
|
|
public boolean hasShiftedLetterHint() {
|
|
return (mLabelFlags & LABEL_FLAGS_HAS_SHIFTED_LETTER_HINT) != 0;
|
|
}
|
|
|
|
public boolean hasHintLabel() {
|
|
return (mLabelFlags & LABEL_FLAGS_HAS_HINT_LABEL) != 0;
|
|
}
|
|
|
|
public boolean hasLabelWithIconLeft() {
|
|
return (mLabelFlags & LABEL_FLAGS_WITH_ICON_LEFT) != 0;
|
|
}
|
|
|
|
public boolean hasLabelWithIconRight() {
|
|
return (mLabelFlags & LABEL_FLAGS_WITH_ICON_RIGHT) != 0;
|
|
}
|
|
|
|
public boolean needsXScale() {
|
|
return (mLabelFlags & LABEL_FLAGS_AUTO_X_SCALE) != 0;
|
|
}
|
|
|
|
public boolean isShiftedLetterActivated() {
|
|
return (mLabelFlags & LABEL_FLAGS_SHIFTED_LETTER_ACTIVATED) != 0;
|
|
}
|
|
|
|
public int getMoreKeysColumn() {
|
|
return mMoreKeysColumnAndFlags & MORE_KEYS_COLUMN_MASK;
|
|
}
|
|
|
|
public boolean isFixedColumnOrderMoreKeys() {
|
|
return (mMoreKeysColumnAndFlags & MORE_KEYS_FLAGS_FIXED_COLUMN_ORDER) != 0;
|
|
}
|
|
|
|
public boolean hasLabelsInMoreKeys() {
|
|
return (mMoreKeysColumnAndFlags & MORE_KEYS_FLAGS_HAS_LABELS) != 0;
|
|
}
|
|
|
|
public int getMoreKeyLabelFlags() {
|
|
return hasLabelsInMoreKeys()
|
|
? LABEL_FLAGS_FOLLOW_KEY_LABEL_RATIO
|
|
: LABEL_FLAGS_FOLLOW_KEY_LETTER_RATIO;
|
|
}
|
|
|
|
public boolean needsDividersInMoreKeys() {
|
|
return (mMoreKeysColumnAndFlags & MORE_KEYS_FLAGS_NEEDS_DIVIDERS) != 0;
|
|
}
|
|
|
|
public boolean hasEmbeddedMoreKey() {
|
|
return (mMoreKeysColumnAndFlags & MORE_KEYS_FLAGS_EMBEDDED_MORE_KEY) != 0;
|
|
}
|
|
|
|
public Drawable getIcon(KeyboardIconsSet iconSet, int alpha) {
|
|
final int iconId = mEnabled ? mIconId : mDisabledIconId;
|
|
final Drawable icon = iconSet.getIconDrawable(iconId);
|
|
if (icon != null) {
|
|
icon.setAlpha(alpha);
|
|
}
|
|
return icon;
|
|
}
|
|
|
|
public Drawable getPreviewIcon(KeyboardIconsSet iconSet) {
|
|
return mPreviewIconId != ICON_UNDEFINED
|
|
? iconSet.getIconDrawable(mPreviewIconId)
|
|
: iconSet.getIconDrawable(mIconId);
|
|
}
|
|
|
|
/**
|
|
* Informs the key that it has been pressed, in case it needs to change its appearance or
|
|
* state.
|
|
* @see #onReleased()
|
|
*/
|
|
public void onPressed() {
|
|
mPressed = true;
|
|
}
|
|
|
|
/**
|
|
* Informs the key that it has been released, in case it needs to change its appearance or
|
|
* state.
|
|
* @see #onPressed()
|
|
*/
|
|
public void onReleased() {
|
|
mPressed = false;
|
|
}
|
|
|
|
public boolean isEnabled() {
|
|
return mEnabled;
|
|
}
|
|
|
|
public void setEnabled(boolean enabled) {
|
|
mEnabled = enabled;
|
|
}
|
|
|
|
/**
|
|
* Detects if a point falls on this key.
|
|
* @param x the x-coordinate of the point
|
|
* @param y the y-coordinate of the point
|
|
* @return whether or not the point falls on the key. If the key is attached to an edge, it
|
|
* will assume that all points between the key and the edge are considered to be on the key.
|
|
* @see #markAsLeftEdge(Keyboard.Params) etc.
|
|
*/
|
|
public boolean isOnKey(int x, int y) {
|
|
return mHitBox.contains(x, y);
|
|
}
|
|
|
|
/**
|
|
* Returns the square of the distance to the nearest edge of the key and the given point.
|
|
* @param x the x-coordinate of the point
|
|
* @param y the y-coordinate of the point
|
|
* @return the square of the distance of the point from the nearest edge of the key
|
|
*/
|
|
public int squaredDistanceToEdge(int x, int y) {
|
|
final int left = mX;
|
|
final int right = left + mWidth;
|
|
final int top = mY;
|
|
final int bottom = top + mHeight;
|
|
final int edgeX = x < left ? left : (x > right ? right : x);
|
|
final int edgeY = y < top ? top : (y > bottom ? bottom : y);
|
|
final int dx = x - edgeX;
|
|
final int dy = y - edgeY;
|
|
return dx * dx + dy * dy;
|
|
}
|
|
|
|
private final static int[] KEY_STATE_NORMAL_HIGHLIGHT_ON = {
|
|
android.R.attr.state_checkable,
|
|
android.R.attr.state_checked
|
|
};
|
|
|
|
private final static int[] KEY_STATE_PRESSED_HIGHLIGHT_ON = {
|
|
android.R.attr.state_pressed,
|
|
android.R.attr.state_checkable,
|
|
android.R.attr.state_checked
|
|
};
|
|
|
|
private final static int[] KEY_STATE_NORMAL_HIGHLIGHT_OFF = {
|
|
android.R.attr.state_checkable
|
|
};
|
|
|
|
private final static int[] KEY_STATE_PRESSED_HIGHLIGHT_OFF = {
|
|
android.R.attr.state_pressed,
|
|
android.R.attr.state_checkable
|
|
};
|
|
|
|
private final static int[] KEY_STATE_NORMAL = {
|
|
};
|
|
|
|
private final static int[] KEY_STATE_PRESSED = {
|
|
android.R.attr.state_pressed
|
|
};
|
|
|
|
// functional normal state (with properties)
|
|
private static final int[] KEY_STATE_FUNCTIONAL_NORMAL = {
|
|
android.R.attr.state_single
|
|
};
|
|
|
|
// functional pressed state (with properties)
|
|
private static final int[] KEY_STATE_FUNCTIONAL_PRESSED = {
|
|
android.R.attr.state_single,
|
|
android.R.attr.state_pressed
|
|
};
|
|
|
|
// action normal state (with properties)
|
|
private static final int[] KEY_STATE_ACTIVE_NORMAL = {
|
|
android.R.attr.state_active
|
|
};
|
|
|
|
// action pressed state (with properties)
|
|
private static final int[] KEY_STATE_ACTIVE_PRESSED = {
|
|
android.R.attr.state_active,
|
|
android.R.attr.state_pressed
|
|
};
|
|
|
|
/**
|
|
* Returns the drawable state for the key, based on the current state and type of the key.
|
|
* @return the drawable state of the key.
|
|
* @see android.graphics.drawable.StateListDrawable#setState(int[])
|
|
*/
|
|
public int[] getCurrentDrawableState() {
|
|
switch (mBackgroundType) {
|
|
case BACKGROUND_TYPE_FUNCTIONAL:
|
|
return mPressed ? KEY_STATE_FUNCTIONAL_PRESSED : KEY_STATE_FUNCTIONAL_NORMAL;
|
|
case BACKGROUND_TYPE_ACTION:
|
|
return mPressed ? KEY_STATE_ACTIVE_PRESSED : KEY_STATE_ACTIVE_NORMAL;
|
|
case BACKGROUND_TYPE_STICKY_OFF:
|
|
return mPressed ? KEY_STATE_PRESSED_HIGHLIGHT_OFF : KEY_STATE_NORMAL_HIGHLIGHT_OFF;
|
|
case BACKGROUND_TYPE_STICKY_ON:
|
|
return mPressed ? KEY_STATE_PRESSED_HIGHLIGHT_ON : KEY_STATE_NORMAL_HIGHLIGHT_ON;
|
|
default: /* BACKGROUND_TYPE_NORMAL */
|
|
return mPressed ? KEY_STATE_PRESSED : KEY_STATE_NORMAL;
|
|
}
|
|
}
|
|
|
|
public static class Spacer extends Key {
|
|
public Spacer(Resources res, Keyboard.Params params, Keyboard.Builder.Row row,
|
|
XmlPullParser parser) throws XmlPullParserException {
|
|
super(res, params, row, parser);
|
|
}
|
|
|
|
/**
|
|
* This constructor is being used only for divider in more keys keyboard.
|
|
*/
|
|
protected Spacer(Keyboard.Params params, int x, int y, int width, int height) {
|
|
super(params, null, null, ICON_UNDEFINED, CODE_UNSPECIFIED,
|
|
null, x, y, width, height, 0);
|
|
}
|
|
}
|
|
}
|