From 7613a7286f97fc6328fd568a1980268ac2120d14 Mon Sep 17 00:00:00 2001 From: nopdan Date: Thu, 25 Jan 2024 03:25:45 +0800 Subject: [PATCH] refactor: KeyboardView.java to kotlin --- .../trime/ime/keyboard/KeyboardView.java | 1930 ----------------- .../osfans/trime/ime/keyboard/KeyboardView.kt | 1894 ++++++++++++++++ .../trime/ime/keyboard/KeyboardWindow.kt | 2 +- 3 files changed, 1895 insertions(+), 1931 deletions(-) delete mode 100644 app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.java create mode 100644 app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.kt diff --git a/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.java b/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.java deleted file mode 100644 index a58de7112c..0000000000 --- a/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.java +++ /dev/null @@ -1,1930 +0,0 @@ -/* - * Copyright (C) 2015-present, osfans - * waxaca@163.com https://github.com/osfans - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -package com.osfans.trime.ime.keyboard; - -import android.content.Context; -import android.content.res.ColorStateList; -import android.graphics.Bitmap; -import android.graphics.Canvas; -import android.graphics.Paint; -import android.graphics.Paint.Align; -import android.graphics.PorterDuff; -import android.graphics.Rect; -import android.graphics.drawable.Drawable; -import android.graphics.drawable.GradientDrawable; -import android.graphics.drawable.StateListDrawable; -import android.os.Build; -import android.os.Message; -import android.text.TextUtils; -import android.util.AttributeSet; -import android.view.GestureDetector; -import android.view.Gravity; -import android.view.LayoutInflater; -import android.view.MotionEvent; -import android.view.View; -import android.view.ViewGroup; -import android.view.inputmethod.EditorInfo; -import android.widget.PopupWindow; -import android.widget.TextView; -import androidx.annotation.NonNull; -import com.osfans.trime.R; -import com.osfans.trime.data.AppPrefs; -import com.osfans.trime.data.theme.FontManager; -import com.osfans.trime.data.theme.Theme; -import com.osfans.trime.databinding.KeyboardKeyPreviewBinding; -import com.osfans.trime.ime.enums.KeyEventType; -import com.osfans.trime.util.DimensionsKt; -import com.osfans.trime.util.LeakGuardHandlerWrapper; -import java.lang.reflect.Method; -import java.util.Arrays; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import splitties.systemservices.SystemServicesKt; -import timber.log.Timber; - -/** 顯示{@link Keyboard 鍵盤}及{@link Key 按鍵} */ -public class KeyboardView extends View implements View.OnClickListener { - - /** 處理按鍵、觸摸等輸入事件 */ - public interface OnKeyboardActionListener { - - /** - * Called when the user presses a key. This is sent before the {@link #onKey} is called. For - * keys that repeat, this is only called once. - * - * @param primaryCode the unicode of the key being pressed. If the touch is not on a valid key, - * the value will be zero. - */ - void onPress(final int primaryCode); - - /** - * Called when the user releases a key. This is sent after the {@link #onKey} is called. For - * keys that repeat, this is only called once. - * - * @param primaryCode the code of the key that was released - */ - void onRelease(final int primaryCode); - - void onEvent(final Event event); - - /** - * Send a key press to the listener. - * - * @param primaryCode this is the key that was pressed - * @param mask the codes for all the possible alternative keys with the primary code being the - * first. If the primary key code is a single character such as an alphabet or number or - * symbol, the alternatives will include other characters that may be on the same key or - * adjacent keys. These codes are useful to correct for accidental presses of a key adjacent - * to the intended key. - */ - void onKey(int primaryCode, int mask); - - /** - * Sends a sequence of characters to the listener. - * - * @param text the sequence of characters to be displayed. - */ - void onText(final CharSequence text); - } - - private static final boolean DEBUG = false; - private static final int NOT_A_KEY = -1; - private static final int[] LONG_PRESSABLE_STATE_SET = {android.R.attr.state_long_pressable}; - - private Keyboard mKeyboard; - private int mCurrentKeyIndex = NOT_A_KEY; - private int mLabelTextSize; - private int mKeyTextSize; - private ColorStateList mKeyTextColor; - private StateListDrawable mKeyBackColor; - private int key_symbol_color, hilited_key_symbol_color; - private int mSymbolSize; - private final Paint mPaintSymbol; - private float mShadowRadius; - private int mShadowColor; - private float mBackgroundDimAmount; - // private Drawable mBackground; - - private final TextView mPreviewText; - private final PopupWindow mPreviewPopup; - private int mPreviewOffset; - private int mPreviewHeight; - // Working variable - private final int[] mCoordinates = new int[2]; - - private final PopupWindow mPopupKeyboard; - private boolean mMiniKeyboardOnScreen; - private View mPopupParent; - private int mMiniKeyboardOffsetX; - private int mMiniKeyboardOffsetY; - private final Map mMiniKeyboardCache; - private Key[] mKeys; - - /** Listener for {@link OnKeyboardActionListener}. */ - private OnKeyboardActionListener mKeyboardActionListener; - - private static final int MSG_SHOW_PREVIEW = 1; - private static final int MSG_REMOVE_PREVIEW = 2; - private static final int MSG_REPEAT = 3; - private static final int MSG_LONGPRESS = 4; - - private static final int DELAY_BEFORE_PREVIEW = 0; - private static final int DELAY_AFTER_PREVIEW = 70; - private static final int DEBOUNCE_TIME = 70; - - private int mVerticalCorrection; - private int mProximityThreshold; - - private boolean mShowPreview = true; - - private int mLastX; - private int mLastY; - private int mStartX; - private int mStartY; - private int touchX0, touchY0; - private boolean touchOnePoint; - - private boolean mProximityCorrectOn; - - private final Paint mPaint; - private final Rect mPadding; - - private long mDownTime; - private long mLastMoveTime; - private int mLastKey; - private int mLastCodeX; - private int mLastCodeY; - private int mCurrentKey = NOT_A_KEY; - private int mDownKey = NOT_A_KEY; - private long mLastKeyTime; - private long mCurrentKeyTime; - private long mLastUpTime; - private boolean isFastInput; - private boolean isClickAtLast; - private final int[] mKeyIndices = new int[12]; - private GestureDetector mGestureDetector; - private int mRepeatKeyIndex = NOT_A_KEY; - private final int mPopupLayout; - private boolean mAbortKey; - private Key mInvalidatedKey; - private final Rect mClipRegion = new Rect(0, 0, 0, 0); - private boolean mPossiblePoly; - private final SwipeTracker mSwipeTracker = new SwipeTracker(); - private final boolean mDisambiguateSwipe; - - // Variables for dealing with multiple pointers - private int mOldPointerCount = 1; - private final int[] mComboCodes = new int[10]; - private int mComboCount = 0; - private boolean mComboMode = false; - - private static final int MAX_NEARBY_KEYS = 12; - private final int[] mDistances = new int[MAX_NEARBY_KEYS]; - - // For multi-tap - private int mLastSentIndex; - private long mLastTapTime; - private final StringBuilder mPreviewLabel = new StringBuilder(1); - - /** Whether the keyboard bitmap needs to be redrawn before it's blitted. * */ - private boolean mDrawPending; - - /** The dirty region in the keyboard bitmap */ - private final Rect mDirtyRect = new Rect(); - - /** The keyboard bitmap for faster updates */ - private Bitmap mBuffer; - - /** Notes if the keyboard just changed, so that we could possibly reallocate the mBuffer. */ - private boolean mKeyboardChanged; - - /** The canvas for the above mutable keyboard bitmap */ - private Canvas mCanvas; - - // The accessibility manager for accessibility support */ - // private AccessibilityManager mAccessibilityManager; - // The audio manager for accessibility support */ - // private AudioManager mAudioManager; - /** - * Whether the requirement of a headset to hear passwords if accessibility is enabled is - * announced. - */ - private boolean mHeadsetRequiredToHearPasswordsAnnounced; - - private boolean mShowHint = true, mShowSymbol = true; - - private Method findStateDrawableIndex; - private Method getStateDrawable; - - private String labelEnter = ""; - private Map mEnterLabels; - private int enterLabelMode; - - public void resetEnterLabel() { - labelEnter = mEnterLabels.get("default"); - } - - private void handleEnterLabel(@NonNull Theme theme) { - if ((mEnterLabels = (Map) theme.style.getObject("enter_labels")) == null) { - mEnterLabels = new HashMap<>(); - } - - final String defaultEnterLabel; - if (mEnterLabels.containsKey("default")) { - defaultEnterLabel = mEnterLabels.get("default"); - } else { - defaultEnterLabel = "Enter"; - mEnterLabels.put("default", defaultEnterLabel); - } - - for (final String label : - new String[] {"done", "go", "next", "none", "pre", "search", "send"}) { - if (!mEnterLabels.containsKey(label)) { - mEnterLabels.put(label, defaultEnterLabel); - } - } - } - - public void setEnterLabel(int action, CharSequence actionLabel) { - // enter_label_mode 取值： - // 0不使用，1只使用actionlabel，2优先使用，3当其他方式没有获得label时才读取actionlabel - - if (enterLabelMode == 1) { - if (actionLabel != null && actionLabel.length() > 0) labelEnter = actionLabel.toString(); - else labelEnter = mEnterLabels.get("default"); - return; - } - - if (enterLabelMode == 2) { - if (actionLabel != null && actionLabel.length() > 0) { - labelEnter = actionLabel.toString(); - return; - } - } - - switch (action) { - case EditorInfo.IME_ACTION_DONE: - labelEnter = mEnterLabels.get("done"); - break; - case EditorInfo.IME_ACTION_GO: - labelEnter = mEnterLabels.get("go"); - break; - case EditorInfo.IME_ACTION_NEXT: - labelEnter = mEnterLabels.get("next"); - break; - case EditorInfo.IME_ACTION_PREVIOUS: - labelEnter = mEnterLabels.get("pre"); - break; - case EditorInfo.IME_ACTION_SEARCH: - labelEnter = mEnterLabels.get("search"); - break; - case EditorInfo.IME_ACTION_SEND: - labelEnter = mEnterLabels.get("send"); - break; - case EditorInfo.IME_ACTION_NONE: - labelEnter = mEnterLabels.get("none"); - default: - if (enterLabelMode == 3) { - if (actionLabel != null && actionLabel.length() > 0) { - labelEnter = actionLabel.toString(); - return; - } - } - labelEnter = mEnterLabels.get("default"); - } - } - - @NonNull - private static AppPrefs getPrefs() { - return AppPrefs.defaultInstance(); - } - - private final MyHandler mHandler = new MyHandler(this); - - private static class MyHandler extends LeakGuardHandlerWrapper { - - public MyHandler(@NonNull final KeyboardView view) { - super(view); - } - - @Override - public void handleMessage(Message msg) { - final KeyboardView mKeyboardView = getOwnerInstanceOrNull(); - if (mKeyboardView == null) return; - switch (msg.what) { - case MSG_SHOW_PREVIEW: - mKeyboardView.showKey(msg.arg1, msg.arg2); - break; - case MSG_REMOVE_PREVIEW: - mKeyboardView.mPreviewText.setVisibility(INVISIBLE); - break; - case MSG_REPEAT: - if (mKeyboardView.repeatKey()) { - Message repeat = Message.obtain(this, MSG_REPEAT); - sendMessageDelayed(repeat, getPrefs().getKeyboard().getRepeatInterval()); - } - break; - case MSG_LONGPRESS: - mKeyboardView.openPopupIfRequired((MotionEvent) msg.obj); - break; - } - } - } - - public void setShowHint(final boolean value) { - mShowHint = value; - } - - public void setShowSymbol(final boolean value) { - mShowSymbol = value; - } - - public void reset() { - final Theme theme = Theme.get(); - key_symbol_color = theme.colors.getColor("key_symbol_color"); - hilited_key_symbol_color = theme.colors.getColor("hilited_key_symbol_color"); - mShadowColor = theme.colors.getColor("shadow_color"); - - mSymbolSize = (int) DimensionsKt.sp2px(theme.style.getFloat("symbol_text_size")); - mKeyTextSize = (int) DimensionsKt.sp2px(theme.style.getFloat("key_text_size")); - mVerticalCorrection = (int) DimensionsKt.dp2px(theme.style.getFloat("vertical_correction")); - setProximityCorrectionEnabled(theme.style.getBoolean("proximity_correction")); - mPreviewOffset = (int) DimensionsKt.dp2px(theme.style.getFloat("preview_offset")); - mPreviewHeight = (int) DimensionsKt.dp2px(theme.style.getFloat("preview_height")); - mLabelTextSize = (int) DimensionsKt.sp2px(theme.style.getFloat("key_long_text_size")); - if (mLabelTextSize == 0) mLabelTextSize = mKeyTextSize; - - mBackgroundDimAmount = theme.style.getFloat("background_dim_amount"); - mShadowRadius = theme.style.getFloat("shadow_radius"); - final float mRoundCorner = theme.style.getFloat("round_corner"); - - mKeyBackColor = new StateListDrawable(); - mKeyBackColor.addState( - Key.KEY_STATE_PRESSED_ON, theme.colors.getDrawable("hilited_on_key_back_color")); - mKeyBackColor.addState( - Key.KEY_STATE_PRESSED_OFF, theme.colors.getDrawable("hilited_off_key_back_color")); - mKeyBackColor.addState(Key.KEY_STATE_NORMAL_ON, theme.colors.getDrawable("on_key_back_color")); - mKeyBackColor.addState( - Key.KEY_STATE_NORMAL_OFF, theme.colors.getDrawable("off_key_back_color")); - mKeyBackColor.addState( - Key.KEY_STATE_PRESSED, theme.colors.getDrawable("hilited_key_back_color")); - mKeyBackColor.addState(Key.KEY_STATE_NORMAL, theme.colors.getDrawable("key_back_color")); - - mKeyTextColor = - new ColorStateList( - Key.KEY_STATES, - new int[] { - theme.colors.getColor("hilited_on_key_text_color"), - theme.colors.getColor("hilited_off_key_text_color"), - theme.colors.getColor("on_key_text_color"), - theme.colors.getColor("off_key_text_color"), - theme.colors.getColor("hilited_key_text_color"), - theme.colors.getColor("key_text_color") - }); - - final Integer color = theme.colors.getColor("preview_text_color"); - if (color != null) mPreviewText.setTextColor(color); - final Integer previewBackColor = theme.colors.getColor("preview_back_color"); - if (previewBackColor != null) { - final GradientDrawable background = new GradientDrawable(); - background.setColor(previewBackColor); - background.setCornerRadius(mRoundCorner); - mPreviewText.setBackground(background); - } - final int mPreviewTextSizeLarge = theme.style.getInt("preview_text_size"); - mPreviewText.setTextSize(mPreviewTextSizeLarge); - mShowPreview = getPrefs().getKeyboard().getPopupKeyPressEnabled(); - - mPaint.setTypeface(FontManager.getTypeface(theme.style.getString("key_font"))); - mPaintSymbol.setTypeface(FontManager.getTypeface(theme.style.getString("symbol_font"))); - mPaintSymbol.setColor(key_symbol_color); - mPaintSymbol.setTextSize(mSymbolSize); - mPreviewText.setTypeface(FontManager.getTypeface(theme.style.getString("preview_font"))); - - handleEnterLabel(theme); - enterLabelMode = theme.style.getInt("enter_label_mode"); - invalidateAllKeys(); - } - - public KeyboardView(final Context context, final AttributeSet attrs) { - super(context, attrs); - - try { - findStateDrawableIndex = - StateListDrawable.class.getMethod( - Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q - ? "findStateDrawableIndex" - : "getStateDrawableIndex", - int[].class); - getStateDrawable = StateListDrawable.class.getMethod("getStateDrawable", int.class); - } catch (Exception ex) { - Timber.e(ex, "Get Drawable Exception"); - } - - mPreviewText = KeyboardKeyPreviewBinding.inflate(LayoutInflater.from(context)).getRoot(); - mPaint = new Paint(); - mPaint.setAntiAlias(true); - mPaint.setTextAlign(Align.CENTER); - mPaintSymbol = new Paint(); - mPaintSymbol.setAntiAlias(true); - mPaintSymbol.setTextAlign(Align.CENTER); - // reset(context); - - mPreviewPopup = new PopupWindow(context); - mPreviewPopup.setContentView(mPreviewText); - mPreviewPopup.setBackgroundDrawable(null); - mPreviewPopup.setTouchable(false); - - mPopupLayout = R.layout.keyboard_popup_keyboard; - mPopupKeyboard = new PopupWindow(context); - mPopupKeyboard.setBackgroundDrawable(null); - - mPopupParent = this; - mPadding = new Rect(0, 0, 0, 0); - mMiniKeyboardCache = new HashMap<>(); - mDisambiguateSwipe = false; - - resetMultiTap(); - initGestureDetector(); - } - - private void initGestureDetector() { - mGestureDetector = - new GestureDetector( - null, - new GestureDetector.SimpleOnGestureListener() { - @Override - public boolean onFling( - MotionEvent me1, MotionEvent me2, float velocityX, float velocityY) { - /* - Judgment basis: the sliding distance exceeds the threshold value, - and the sliding distance on the corresponding axis is less than - the sliding distance on the other coordinate axis. - */ - if (mPossiblePoly) return false; - float deltaX = me2.getX() - me1.getX(); // distance X - float deltaY = me2.getY() - me1.getY(); // distance Y - final float absX = Math.abs(deltaX); // absolute value of distance X - final float absY = Math.abs(deltaY); // absolute value of distance Y - final int travel = // threshold distance - // I don't really know what getSwipeTravelHi is. - // For any one see this plz change the method name to something - // more understandable. - (isFastInput && isClickAtLast) - ? getPrefs().getKeyboard().getSwipeTravelHi() - : getPrefs().getKeyboard().getSwipeTravel(); - final int velocity = // threshold velocity. - // Same here for getSwipeVelocityHi - (isFastInput && isClickAtLast) - ? getPrefs().getKeyboard().getSwipeVelocity() - : getPrefs().getKeyboard().getSwipeVelocityHi(); - mSwipeTracker.computeCurrentVelocity(10); - final float endingVelocityX = mSwipeTracker.getXVelocity(); - final float endingVelocityY = mSwipeTracker.getYVelocity(); - boolean sendDownKey = false; - KeyEventType type = KeyEventType.CLICK; - // In my tests velocity always smaller than 400 - // so I don't really why we need to compare velocity here, - // as default value of getSwipeVelocity() is 800 - // and default value of getSwipeVelocityHi() is 25000, - // so for most of the users that judgment is always true - if ((deltaX > travel || velocityX > velocity) - && (absY < absX - || (deltaY > 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_UP.ordinal()] == null) - || (deltaY < 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_DOWN.ordinal()] == null)) - && mKeys[mDownKey].events[KeyEventType.SWIPE_RIGHT.ordinal()] != null) { - // I should have implement mDisambiguateSwipe as a config option, but the logic - // here is really weird, and I don't really know - // when it is enabled what should be the behavior, so I just left it always false. - // endingVelocityX and endingVelocityY seems always > 0 but velocityX and - // velocityY can be negative. - if (mDisambiguateSwipe && endingVelocityX > velocityX / 4) { - return true; - } else { - sendDownKey = true; - type = KeyEventType.SWIPE_RIGHT; - } - } else if ((deltaX < -travel || velocityX < -velocity) - && (absY < absX - || (deltaY > 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_UP.ordinal()] == null) - || (deltaY < 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_DOWN.ordinal()] == null)) - && mKeys[mDownKey].events[KeyEventType.SWIPE_LEFT.ordinal()] != null) { - if (mDisambiguateSwipe && endingVelocityX < velocityX / 4) { - return true; - } else { - sendDownKey = true; - type = KeyEventType.SWIPE_LEFT; - } - } else if ((deltaY < -travel || velocityY < -velocity) - && (absX < absY - || (deltaX > 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_RIGHT.ordinal()] == null) - || (deltaX < 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_LEFT.ordinal()] == null)) - && mKeys[mDownKey].events[KeyEventType.SWIPE_UP.ordinal()] != null) { - if (mDisambiguateSwipe && endingVelocityY < velocityY / 4) { - return true; - } else { - sendDownKey = true; - type = KeyEventType.SWIPE_UP; - } - } else if ((deltaY > travel || velocityY > velocity) - && (absX < absY - || (deltaX > 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_RIGHT.ordinal()] == null) - || (deltaX < 0 - && mKeys[mDownKey].events[KeyEventType.SWIPE_LEFT.ordinal()] == null)) - && mKeys[mDownKey].events[KeyEventType.SWIPE_DOWN.ordinal()] != null) { - if (mDisambiguateSwipe && endingVelocityY > velocityY / 4) { - return true; - } else { - sendDownKey = true; - type = KeyEventType.SWIPE_DOWN; - } - } else { - Timber.d( - "swipeDebug.onFling fail , dY=%f, vY=%f, eVY=%f, travel=%d", - deltaY, velocityY, endingVelocityY, travel); - } - - if (sendDownKey) { - Timber.d("\t\tinitGestureDetector()\tsendDownKey"); - showPreview(NOT_A_KEY); - showPreview(mDownKey, type.ordinal()); - detectAndSendKey(mDownKey, mStartX, mStartY, me1.getEventTime(), type); - isClickAtLast = false; - return true; - } - return false; - } - }); - - mGestureDetector.setIsLongpressEnabled(false); - } - - public void setOnKeyboardActionListener(OnKeyboardActionListener listener) { - mKeyboardActionListener = listener; - } - - /** - * Returns the {@link OnKeyboardActionListener} object. - * - * @return the listener attached to this keyboard - */ - protected OnKeyboardActionListener getOnKeyboardActionListener() { - return mKeyboardActionListener; - } - - private void setKeyboardBackground() { - if (mKeyboard == null) return; - Drawable d = mPreviewText.getBackground(); - if (d instanceof GradientDrawable) { - ((GradientDrawable) d).setCornerRadius(mKeyboard.getRoundCorner()); - mPreviewText.setBackground(d); - } - d = mKeyboard.getBackground(); - setBackground(d); - } - - /** - * Attaches a keyboard to this view. The keyboard can be switched at any time and the view will - * re-layout itself to accommodate the keyboard. - * - * @see Keyboard - * @see #getKeyboard() - * @param keyboard the keyboard to display in this view - */ - public void setKeyboard(Keyboard keyboard) { - if (mKeyboard != null) { - showPreview(NOT_A_KEY); - } - // Remove any pending messages - removeMessages(); - mRepeatKeyIndex = NOT_A_KEY; - mKeyboard = keyboard; - List keys = mKeyboard.getKeys(); - mKeys = keys.toArray(new Key[keys.size()]); - setKeyboardBackground(); - requestLayout(); - // Hint to reallocate the buffer if the size changed - mKeyboardChanged = true; - invalidateAllKeys(); - computeProximityThreshold(keyboard); - mMiniKeyboardCache.clear(); // Not really necessary to do every time, but will free up views - // Switching to a different keyboard should abort any pending keys so that the key up - // doesn't get delivered to the old or new keyboard - mAbortKey = true; // Until the next ACTION_DOWN - } - - /** - * Returns the current keyboard being displayed by this view. - * - * @return the currently attached keyboard - * @see #setKeyboard(Keyboard) - */ - public Keyboard getKeyboard() { - return mKeyboard; - } - - /** - * 设置键盘修饰键的状态 - * - * @param key 按下的修饰键(非组合键） - * @return - */ - public boolean setModifier(Key key) { - if (mKeyboard != null) { - if (mKeyboard.clikModifierKey(key.isShiftLock(), key.getModifierKeyOnMask())) { - invalidateAllKeys(); - return true; - } - } - return false; - } - - /** - * 設定鍵盤的Shift鍵狀態 - * - * @param on 是否保持Shift按下狀態 - * @param shifted 是否按下Shift - * @return Shift鍵狀態是否改變 - * @see Keyboard#setShifted(boolean, boolean) KeyboardView#isShifted() - */ - public boolean setShifted(boolean on, boolean shifted) { - if (mKeyboard != null) { - // todo 扩展为设置全部修饰键的状态 - if (mKeyboard.setShifted(on, shifted)) { - // The whole keyboard probably needs to be redrawn - invalidateAllKeys(); - return true; - } - } - return false; - } - - private boolean resetShifted() { - if (mKeyboard != null) { - if (mKeyboard.resetShifted()) { - // The whole keyboard probably needs to be redrawn - invalidateAllKeys(); - return true; - } - } - return false; - } - - // 重置全部修饰键的状态 - private boolean resetModifer() { - if (mKeyboard != null) { - if (mKeyboard.resetModifer()) { - // The whole keyboard probably needs to be redrawn - invalidateAllKeys(); - return true; - } - } - return false; - } - - // 重置全部修饰键的状态(如果有锁定则不重置） - private void refreshModifier() { - if (mKeyboard != null) { - if (mKeyboard.refreshModifier()) { - invalidateAllKeys(); - } - } - } - - public boolean hasModifier() { - if (mKeyboard != null) { - return mKeyboard.hasModifier(); - } - return false; - } - - /** - * Returns the state of the shift key of the keyboard, if any. - * - * @return true if the shift is in a pressed state, false otherwise. If there is no shift key on - * the keyboard or there is no keyboard attached, it returns false. - * @see KeyboardView#setShifted(boolean, boolean) - */ - public boolean isShifted() { - if (mKeyboard != null) { - return mKeyboard.isShifted(); - } - return false; - } - - /** - * 返回鍵盤是否爲大寫狀態 - * - * @return true 如果大寫 - */ - public boolean isCapsOn() { - if (mKeyboard != null && mKeyboard.getmShiftKey() != null) - return mKeyboard.getmShiftKey().isOn(); - return false; - } - - public boolean isShiftOn() { - if (mKeyboard != null && mKeyboard.getmShiftKey() != null) - return mKeyboard.getmShiftKey().isOn(); - return false; - } - - public boolean isAltOn() { - if (mKeyboard != null && mKeyboard.getmAltKey() != null) return mKeyboard.getmAltKey().isOn(); - return false; - } - - public boolean isSysOn() { - if (mKeyboard != null && mKeyboard.getmSymKey() != null) return mKeyboard.getmSymKey().isOn(); - return false; - } - - public boolean isCtrlOn() { - if (mKeyboard != null && mKeyboard.getmCtrlKey() != null) return mKeyboard.getmCtrlKey().isOn(); - return false; - } - - public boolean isMetaOn() { - if (mKeyboard != null && mKeyboard.getmMetaKey() != null) return mKeyboard.getmMetaKey().isOn(); - return false; - } - - /** - * Enables or disables the key feedback popup. This is a popup that shows a magnified version of - * the depressed key. By default the preview is enabled. - * - * @param previewEnabled whether or not to enable the key feedback popup - * @see #isPreviewEnabled() - */ - public void setPreviewEnabled(final boolean previewEnabled) { - mShowPreview = previewEnabled; - } - - /** - * Returns the enabled state of the key feedback popup. - * - * @return whether or not the key feedback popup is enabled - * @see #setPreviewEnabled(boolean) - */ - public boolean isPreviewEnabled() { - return mShowPreview; - } - - // public void setVerticalCorrection(int verticalOffset) {} - - private void setPopupParent(final View v) { - mPopupParent = v; - } - - private void setPopupOffset(final int x, final int y) { - mMiniKeyboardOffsetX = x; - mMiniKeyboardOffsetY = y; - if (mPreviewPopup.isShowing()) { - mPreviewPopup.dismiss(); - } - } - - /** - * When enabled, calls to {@link OnKeyboardActionListener#onKey} will include key codes for - * adjacent keys. When disabled, only the primary key code will be reported. - * - * @param enabled whether or not the proximity correction is enabled - */ - private void setProximityCorrectionEnabled(boolean enabled) { - mProximityCorrectOn = enabled; - } - - /** - * 檢查是否允許距離校正 - * - * @return 是否允許距離校正 - */ - public boolean isProximityCorrectionEnabled() { - return mProximityCorrectOn; - } - - /** - * 關閉彈出鍵盤 - * - * @param v 鍵盤視圖 - */ - @Override - public void onClick(final View v) { - dismissPopupKeyboard(); - } - - @Override - public void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) { - // Round up a little - if (mKeyboard == null) { - setMeasuredDimension( - getPaddingLeft() + getPaddingRight(), getPaddingTop() + getPaddingBottom()); - } else { - int width = mKeyboard.getMinWidth() + getPaddingLeft() + getPaddingRight(); - if (MeasureSpec.getSize(widthMeasureSpec) < width + 10) { - width = MeasureSpec.getSize(widthMeasureSpec); - } - setMeasuredDimension(width, mKeyboard.getHeight() + getPaddingTop() + getPaddingBottom()); - } - } - - /** - * 計算水平和豎直方向的相鄰按鍵中心的平均距離的平方，這樣不需要做開方運算 - * - * @param keyboard 鍵盤 - */ - private void computeProximityThreshold(Keyboard keyboard) { - if (keyboard == null) return; - final Key[] keys = mKeys; - if (keys == null) return; - int length = keys.length; - int dimensionSum = 0; - for (Key key : keys) { - dimensionSum += Math.min(key.width, key.height) + key.gap; - } - if (dimensionSum < 0 || length == 0) return; - mProximityThreshold = (int) (dimensionSum * Keyboard.SEARCH_DISTANCE / length); - mProximityThreshold *= mProximityThreshold; // Square it - } - - @Override - public void onSizeChanged(final int w, final int h, final int oldw, final int oldh) { - super.onSizeChanged(w, h, oldw, oldh); - // if (mKeyboard != null) { - // mKeyboard.resize(w, h); - // } - // Release the buffer, if any and it will be reallocated on the next draw - mBuffer = null; - } - - @Override - public void onDraw(final Canvas canvas) { - super.onDraw(canvas); - if (mDrawPending || mBuffer == null || mKeyboardChanged) { - onBufferDraw(); - } - canvas.drawBitmap(mBuffer, 0, 0, null); - } - - private void onBufferDraw() { - if (mBuffer == null || mKeyboardChanged) { - - if (mBuffer == null - || mKeyboardChanged - && (mBuffer.getWidth() != getWidth() || mBuffer.getHeight() != getHeight())) { - // Make sure our bitmap is at least 1x1 - final int width = Math.max(1, getWidth()); - final int height = Math.max(1, getHeight()); - mBuffer = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); - mCanvas = new Canvas(mBuffer); - } - invalidateAllKeys(); - mKeyboardChanged = false; - } - - if (mKeyboard == null) return; - - mCanvas.save(); - final Canvas canvas = mCanvas; - canvas.clipRect(mDirtyRect); - - final Paint paint = mPaint; - Drawable keyBackground; - final Rect clipRegion = mClipRegion; - final Rect padding = mPadding; - final int kbdPaddingLeft = getPaddingLeft(); - final int kbdPaddingTop = getPaddingTop(); - final Key[] keys = mKeys; - final Key invalidKey = mInvalidatedKey; - - boolean drawSingleKey = false; - if (invalidKey != null && canvas.getClipBounds(clipRegion)) { - // Is clipRegion completely contained within the invalidated key? - if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left - && invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top - && invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right - && invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom) { - drawSingleKey = true; - } - } - canvas.drawColor(0x00000000, PorterDuff.Mode.CLEAR); - final int keyCount = keys.length; - final float symbolBase = padding.top - mPaintSymbol.getFontMetrics().top; - final float hintBase = -padding.bottom - mPaintSymbol.getFontMetrics().bottom; - - Timber.i( - "onBufferDraw() keyCount=%d, drawSingleKey=%s, invalidKeyIsNull=%s", - keyCount, drawSingleKey, invalidKey == null); - mKeyboard.printModifierKeyState("onBufferDraw, drawSingleKey=" + drawSingleKey); - for (final Key key : keys) { - if (drawSingleKey && invalidKey != key) { - continue; - } - int[] drawableState = key.getCurrentDrawableState(); - keyBackground = key.getBackColorForState(drawableState); - if (keyBackground == null) { - Timber.d("onBufferDraw() keyBackground==null, key=%s", key.getLabel()); - try { - final int index = (int) findStateDrawableIndex.invoke(mKeyBackColor, drawableState); - keyBackground = (Drawable) getStateDrawable.invoke(mKeyBackColor, index); - } catch (Exception ex) { - Timber.e(ex, "Get Drawable Exception"); - } - } - if (keyBackground instanceof GradientDrawable) { - ((GradientDrawable) keyBackground) - .setCornerRadius( - key.getRound_corner() != null && key.getRound_corner() > 0 - ? key.getRound_corner() - : mKeyboard.getRoundCorner()); - } - Integer color = key.getTextColorForState(drawableState); - mPaint.setColor(color != null ? color : mKeyTextColor.getColorForState(drawableState, 0)); - color = key.getSymbolColorForState(drawableState); - mPaintSymbol.setColor( - color != null ? color : (key.isPressed() ? hilited_key_symbol_color : key_symbol_color)); - - // Switch the character to uppercase if shift is pressed - String label = key.getLabel(); - if (label.equals("enter_labels")) label = labelEnter; - final String hint = key.getHint(); - int left = (key.width - padding.left - padding.right) / 2 + padding.left; - int top = padding.top; - - final Rect bounds = keyBackground.getBounds(); - if (key.width != bounds.right || key.height != bounds.bottom) { - keyBackground.setBounds(0, 0, key.width, key.height); - } - canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop); - keyBackground.draw(canvas); - - if (!TextUtils.isEmpty(label)) { - // For characters, use large font. For labels like "Done", use small font. - if (key.getKey_text_size() != null && key.getKey_text_size() > 0) { - paint.setTextSize(key.getKey_text_size()); - } else { - paint.setTextSize(label.length() > 1 ? mLabelTextSize : mKeyTextSize); - } - // Draw a drop shadow for the text - paint.setShadowLayer(mShadowRadius, 0, 0, mShadowColor); - // Draw the text - canvas.drawText( - label, - left + key.getKey_text_offset_x(), - (key.height - padding.top - padding.bottom) / 2f - + (paint.getTextSize() - paint.descent()) / 2f - + top - + key.getKey_text_offset_y(), - paint); - if (mShowSymbol) { - String labelSymbol = key.getSymbolLabel(); - if (!TextUtils.isEmpty(labelSymbol)) { - mPaintSymbol.setTextSize( - key.getSymbol_text_size() != null && key.getSymbol_text_size() > 0 - ? key.getSymbol_text_size() - : mSymbolSize); - mPaintSymbol.setShadowLayer(mShadowRadius, 0, 0, mShadowColor); - canvas.drawText( - labelSymbol, - left + key.getKey_symbol_offset_x(), - symbolBase + key.getKey_symbol_offset_y(), - mPaintSymbol); - } - } - if (mShowHint) { - if (!TextUtils.isEmpty(hint)) { - mPaintSymbol.setShadowLayer(mShadowRadius, 0, 0, mShadowColor); - canvas.drawText( - hint, - left + key.getKey_hint_offset_x(), - key.height + hintBase + key.getKey_hint_offset_y(), - mPaintSymbol); - } - } - - // Turn off drop shadow - paint.setShadowLayer(0, 0, 0, 0); - } - canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop); - // break; - } - mInvalidatedKey = null; - // Overlay a dark rectangle to dim the keyboard - if (mMiniKeyboardOnScreen) { - paint.setColor((int) (mBackgroundDimAmount * 0xFF) << 24); - canvas.drawRect(0, 0, getWidth(), getHeight(), paint); - } - - boolean mShowTouchPoints = true; - if (DEBUG && mShowTouchPoints) { - paint.setAlpha(128); - paint.setColor(0xFFFF0000); - canvas.drawCircle(mStartX, mStartY, 3, paint); - canvas.drawLine(mStartX, mStartY, mLastX, mLastY, paint); - paint.setColor(0xFF0000FF); - canvas.drawCircle(mLastX, mLastY, 3, paint); - paint.setColor(0xFF00FF00); - canvas.drawCircle((mStartX + mLastX) / 2f, (mStartY + mLastY) / 2f, 2f, paint); - } - mCanvas.restore(); - mDrawPending = false; - mDirtyRect.setEmpty(); - } - - private int getKeyIndices(final int x, final int y, final int[] allKeys) { - final Key[] keys = mKeys; - int primaryIndex = NOT_A_KEY; - int closestKey = NOT_A_KEY; - int closestKeyDist = mProximityThreshold + 1; - java.util.Arrays.fill(mDistances, Integer.MAX_VALUE); - final int[] nearestKeyIndices = mKeyboard.getNearestKeys(x, y); - for (int nearestKeyIndex : nearestKeyIndices) { - final Key key = keys[nearestKeyIndex]; - int dist = 0; - boolean isInside = key.isInside(x, y); - if (isInside) { - primaryIndex = nearestKeyIndex; - } - - if ((mProximityCorrectOn && (dist = key.squaredDistanceFrom(x, y)) < mProximityThreshold) - || isInside) { - // Find insertion point - final int nCodes = 1; - if (dist < closestKeyDist) { - closestKeyDist = dist; - closestKey = nearestKeyIndex; - } - - if (allKeys == null) continue; - - for (int j = 0; j < mDistances.length; j++) { - if (mDistances[j] > dist) { - // Make space for nCodes codes - System.arraycopy(mDistances, j, mDistances, j + nCodes, mDistances.length - j - nCodes); - System.arraycopy(allKeys, j, allKeys, j + nCodes, allKeys.length - j - nCodes); - allKeys[j] = key.getCode(); - mDistances[j] = dist; - break; - } - } - } - } - if (primaryIndex == NOT_A_KEY) { - primaryIndex = closestKey; - } - return primaryIndex; - } - - private void releaseKey(int code) { - Timber.d( - "\t\treleaseKey() key=%d, mComboCount=%d, mComboMode=%s", - code, mComboCount, mComboMode); - if (mComboMode) { - if (mComboCount > 9) mComboCount = 9; - mComboCodes[mComboCount++] = code; - } else { - mKeyboardActionListener.onRelease(code); - if (mComboCount > 0) { - for (int i = 0; i < mComboCount; i++) { - mKeyboardActionListener.onRelease(mComboCodes[i]); - } - mComboCount = 0; - } - } - Timber.d("\t\treleaseKey() finish"); - } - - private void detectAndSendKey(int index, int x, int y, long eventTime, KeyEventType type) { - Timber.d( - "\t\tdetectAndSendKey()\tindex=%d, x=%d, y=%d, type=%d, mKeys.length=%d", - index, x, y, type.ordinal(), mKeys.length); - - if (index != NOT_A_KEY && index < mKeys.length) { - final Key key = mKeys[index]; - - if (Key.isTrimeModifierKey(key.getCode()) && !key.sendBindings(type.ordinal())) { - Timber.d( - "\t\tdetectAndSendKey()\tModifierKey, key.getEvent, KeyLabel=%s", - key.getLabel()); - setModifier(key); - } else { - if (key.getClick().isRepeatable()) { - if (type.ordinal() > KeyEventType.CLICK.ordinal()) mAbortKey = true; - if (!key.hasEvent(type.ordinal())) return; - } - final int code = key.getCode(type.ordinal()); - // TextEntryState.keyPressedAt(key, x, y); - final int[] codes = new int[MAX_NEARBY_KEYS]; - Arrays.fill(codes, NOT_A_KEY); - // getKeyIndices(x, y, codes); // 这里实际上并没有生效 - Timber.d("\t\tdetectAndSendKey()\tonEvent, code=%d, key.getEvent", code); - // 可以在这里把 mKeyboard.getModifer() 获取的修饰键状态写入event里 - mKeyboardActionListener.onEvent(key.getEvent(type.ordinal())); - releaseKey(code); - Timber.d("\t\tdetectAndSendKey()\trefreshModifier"); - refreshModifier(); - } - mLastSentIndex = index; - mLastTapTime = eventTime; - Timber.d("\t\tdetectAndSendKey()\tfinish"); - } - } - - private void detectAndSendKey(final int index, final int x, final int y, final long eventTime) { - detectAndSendKey(index, x, y, eventTime, KeyEventType.CLICK); - } - - private void showPreview(final int keyIndex, final int type) { - final int oldKeyIndex = mCurrentKeyIndex; - final PopupWindow previewPopup = mPreviewPopup; - - mCurrentKeyIndex = keyIndex; - // Release the old key and press the new key - final Key[] keys = mKeys; - if (oldKeyIndex != mCurrentKeyIndex) { - if (oldKeyIndex != NOT_A_KEY && keys.length > oldKeyIndex) { - final Key oldKey = keys[oldKeyIndex]; - oldKey.onReleased(mCurrentKeyIndex == NOT_A_KEY); - invalidateKey(oldKeyIndex); - } - if (mCurrentKeyIndex != NOT_A_KEY && keys.length > mCurrentKeyIndex) { - final Key newKey = keys[mCurrentKeyIndex]; - newKey.onPressed(); - invalidateKey(mCurrentKeyIndex); - } - } - // If key changed and preview is on ... - if (oldKeyIndex != mCurrentKeyIndex && mShowPreview) { - mHandler.removeMessages(MSG_SHOW_PREVIEW); - if (previewPopup.isShowing()) { - if (keyIndex == NOT_A_KEY) { - mHandler.sendMessageDelayed( - mHandler.obtainMessage(MSG_REMOVE_PREVIEW), DELAY_AFTER_PREVIEW); - } - } - if (keyIndex != NOT_A_KEY) { - if (previewPopup.isShowing() && mPreviewText.getVisibility() == VISIBLE) { - // Show right away, if it's already visible and finger is moving around - showKey(keyIndex, type); - } else { - mHandler.sendMessageDelayed( - mHandler.obtainMessage(MSG_SHOW_PREVIEW, keyIndex, type), DELAY_BEFORE_PREVIEW); - } - } - } - } - - private void showPreview(final int keyIndex) { - showPreview(keyIndex, 0); - } - - private void showKey(final int keyIndex, final int type) { - final PopupWindow previewPopup = mPreviewPopup; - final Key[] keys = mKeys; - if (keyIndex < 0 || keyIndex >= mKeys.length) return; - final Key key = keys[keyIndex]; - mPreviewText.setCompoundDrawables(null, null, null, null); - mPreviewText.setText(key.getPreviewText(type)); - mPreviewText.measure( - MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), - MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); - final int popupWidth = - Math.max( - mPreviewText.getMeasuredWidth(), - key.width + mPreviewText.getPaddingLeft() + mPreviewText.getPaddingRight()); - final int popupHeight = mPreviewHeight; - final ViewGroup.LayoutParams lp = mPreviewText.getLayoutParams(); - if (lp != null) { - lp.width = popupWidth; - lp.height = popupHeight; - } - int mPopupPreviewY; - int mPopupPreviewX; - boolean mPreviewCentered = false; - if (!mPreviewCentered) { - mPopupPreviewX = key.x - mPreviewText.getPaddingLeft() + getPaddingLeft(); - mPopupPreviewY = key.y - popupHeight + mPreviewOffset; - } else { - // TODO: Fix this if centering is brought back - mPopupPreviewX = 160 - mPreviewText.getMeasuredWidth() / 2; - mPopupPreviewY = -mPreviewText.getMeasuredHeight(); - } - mHandler.removeMessages(MSG_REMOVE_PREVIEW); - getLocationInWindow(mCoordinates); - mCoordinates[0] += mMiniKeyboardOffsetX; // Offset may be zero - mCoordinates[1] += mMiniKeyboardOffsetY; // Offset may be zero - - // Set the preview background state - mPreviewText - .getBackground() - .setState(key.popupResId != 0 ? LONG_PRESSABLE_STATE_SET : EMPTY_STATE_SET); - mPopupPreviewX += mCoordinates[0]; - mPopupPreviewY += mCoordinates[1]; - - // If the popup cannot be shown above the key, put it on the side - getLocationOnScreen(mCoordinates); - if (mPopupPreviewY + mCoordinates[1] < 0) { - // If the key you're pressing is on the left side of the keyboard, show the popup on - // the right, offset by enough to see at least one key to the left/right. - if (key.x + key.width <= getWidth() / 2) { - mPopupPreviewX += (int) (key.width * 2.5); - } else { - mPopupPreviewX -= (int) (key.width * 2.5); - } - mPopupPreviewY += popupHeight; - } - - if (previewPopup.isShowing()) { - // previewPopup.update(mPopupPreviewX, mPopupPreviewY, popupWidth, popupHeight); - previewPopup.dismiss(); // 禁止窗口動畫 - } - previewPopup.setWidth(popupWidth); - previewPopup.setHeight(popupHeight); - previewPopup.showAtLocation(mPopupParent, Gravity.NO_GRAVITY, mPopupPreviewX, mPopupPreviewY); - mPreviewText.setVisibility(VISIBLE); - } - - /** - * Requests a redraw of the entire keyboard. Calling {@link #invalidate} is not sufficient because - * the keyboard renders the keys to an off-screen buffer and an invalidate() only draws the cached - * buffer. - * - * @see #invalidateKey(int) - */ - public void invalidateAllKeys() { - Timber.d("\t\tinvalidateAllKeys()"); - mDirtyRect.union(0, 0, getWidth(), getHeight()); - mDrawPending = true; - invalidate(); - } - - /** - * Invalidates a key so that it will be redrawn on the next repaint. Use this method if only one - * key is changing it's content. Any changes that affect the position or size of the key may not - * be honored. - * - * @param keyIndex the index of the key in the attached {@link Keyboard}. - * @see #invalidateAllKeys - */ - private void invalidateKey(int keyIndex) { - Timber.d( - "\t\tinvalidateKey()\tkeyIndex=%d, mKeysExist=%s", keyIndex, mKeys != null); - if (mKeys == null) return; - if (keyIndex < 0 || keyIndex >= mKeys.length) { - return; - } - final Key key = mKeys[keyIndex]; - mInvalidatedKey = key; - mDirtyRect.union( - key.x + getPaddingLeft(), - key.y + getPaddingTop(), - key.x + key.width + getPaddingLeft(), - key.y + key.height + getPaddingTop()); - onBufferDraw(); - Timber.d("\t\tinvalidateKey()\tinvalidate"); - invalidate( - key.x + getPaddingLeft(), - key.y + getPaddingTop(), - key.x + key.width + getPaddingLeft(), - key.y + key.height + getPaddingTop()); - Timber.d("\t\tinvalidateKey()\tfinish"); - } - - private void invalidateKeys(final List keys) { - if (keys == null || keys.size() == 0) return; - for (Key key : keys) { - mDirtyRect.union( - key.x + getPaddingLeft(), - key.y + getPaddingTop(), - key.x + key.width + getPaddingLeft(), - key.y + key.height + getPaddingTop()); - } - onBufferDraw(); - invalidate(); - } - - public void invalidateComposingKeys() { - if (mKeyboard != null) { - final List keys = mKeyboard.getComposingKeys(); - if (keys != null && keys.size() > 5) invalidateAllKeys(); - else invalidateKeys(keys); - } else { - Timber.e("invalidateComposingKeys() mKeyboard==null"); - } - } - - private boolean openPopupIfRequired(final MotionEvent me) { - // Check if we have a popup layout specified first. - if (mPopupLayout == 0) { - return false; - } - if (mCurrentKey < 0 || mCurrentKey >= mKeys.length) { - return false; - } - showPreview(NOT_A_KEY); - showPreview(mCurrentKey, KeyEventType.LONG_CLICK.ordinal()); - Key popupKey = mKeys[mCurrentKey]; - boolean result = onLongPress(popupKey); - if (result) { - mAbortKey = true; - showPreview(NOT_A_KEY); - } - return result; - } - - /** - * Called when a key is long pressed. By default this will open any popup keyboard associated with - * this key through the attributes popupLayout and popupCharacters. - * - * @param popupKey the key that was long pressed - * @return true if the long press is handled, false otherwise. Subclasses should call the method - * on the base class if the subclass doesn't wish to handle the call. - */ - private boolean onLongPress(@NonNull final Key popupKey) { - final int popupKeyboardId = popupKey.popupResId; - - if (popupKeyboardId != 0) { - View mMiniKeyboardContainer = mMiniKeyboardCache.get(popupKey); - final KeyboardView mMiniKeyboard; - if (mMiniKeyboardContainer == null) { - mMiniKeyboardContainer = - SystemServicesKt.getLayoutInflater(this).inflate(mPopupLayout, null); - mMiniKeyboard = mMiniKeyboardContainer.findViewById(android.R.id.keyboardView); - final View closeButton = mMiniKeyboardContainer.findViewById(android.R.id.closeButton); - if (closeButton != null) closeButton.setOnClickListener(this); - mMiniKeyboard.setOnKeyboardActionListener( - new OnKeyboardActionListener() { - @Override - public void onEvent(final Event event) { - mKeyboardActionListener.onEvent(event); - dismissPopupKeyboard(); - } - - @Override - public void onKey(final int primaryCode, final int mask) { - mKeyboardActionListener.onKey(primaryCode, mask); - dismissPopupKeyboard(); - } - - @Override - public void onText(final CharSequence text) { - mKeyboardActionListener.onText(text); - dismissPopupKeyboard(); - } - - @Override - public void onPress(final int primaryCode) { - Timber.d("\t\tonLongPress() onPress key=" + primaryCode); - mKeyboardActionListener.onPress(primaryCode); - } - - @Override - public void onRelease(final int primaryCode) { - mKeyboardActionListener.onRelease(primaryCode); - } - }); - // mInputView.setSuggest(mSuggest); - final Keyboard keyboard; - if (popupKey.popupCharacters != null) { - keyboard = - new Keyboard(popupKey.popupCharacters, -1, getPaddingLeft() + getPaddingRight()); - } else { - keyboard = new Keyboard(); - } - mMiniKeyboard.setKeyboard(keyboard); - mMiniKeyboard.setPopupParent(this); - mMiniKeyboardContainer.measure( - MeasureSpec.makeMeasureSpec(getWidth(), MeasureSpec.AT_MOST), - MeasureSpec.makeMeasureSpec(getHeight(), MeasureSpec.AT_MOST)); - - mMiniKeyboardCache.put(popupKey, mMiniKeyboardContainer); - } else { - mMiniKeyboard = mMiniKeyboardContainer.findViewById(android.R.id.keyboardView); - } - getLocationInWindow(mCoordinates); - int mPopupX = popupKey.x + getPaddingLeft(); - int mPopupY = popupKey.y + getPaddingTop(); - mPopupX = mPopupX + popupKey.width - mMiniKeyboardContainer.getMeasuredWidth(); - mPopupY = mPopupY - mMiniKeyboardContainer.getMeasuredHeight(); - final int x = mPopupX + mMiniKeyboardContainer.getPaddingRight() + mCoordinates[0]; - final int y = mPopupY + mMiniKeyboardContainer.getPaddingBottom() + mCoordinates[1]; - mMiniKeyboard.setPopupOffset(Math.max(x, 0), y); - - // todo 只处理了shift - Timber.w("only set isShifted, no others modifierkey"); - mMiniKeyboard.setShifted(false, isShifted()); - mPopupKeyboard.setContentView(mMiniKeyboardContainer); - mPopupKeyboard.setWidth(mMiniKeyboardContainer.getMeasuredWidth()); - mPopupKeyboard.setHeight(mMiniKeyboardContainer.getMeasuredHeight()); - mPopupKeyboard.showAtLocation(this, Gravity.NO_GRAVITY, x, y); - mMiniKeyboardOnScreen = true; - // mMiniKeyboard.onTouchEvent(getTranslatedEvent(me)); - invalidateAllKeys(); - return true; - } else { - if (popupKey.getLongClick() != null) { - removeMessages(); - mAbortKey = true; - final Event e = popupKey.getLongClick(); - mKeyboardActionListener.onEvent(e); - releaseKey(e.getCode()); - resetModifer(); - return true; - } - - Timber.w("only set isShifted, no others modifierkey"); - if (popupKey.isShift() && !popupKey.sendBindings(KeyEventType.LONG_CLICK.ordinal())) { - // todo 其他修饰键 - setShifted(!popupKey.isOn(), !popupKey.isOn()); - return true; - } - } - return false; - } - - /* - @Override - public boolean onHoverEvent(MotionEvent event) { - if (mAccessibilityManager.isTouchExplorationEnabled() && event.getPointerCount() == 1) { - final int action = event.getAction(); - switch (action) { - case MotionEvent.ACTION_HOVER_ENTER: { - event.setAction(MotionEvent.ACTION_DOWN); - } break; - case MotionEvent.ACTION_HOVER_MOVE: { - event.setAction(MotionEvent.ACTION_MOVE); - } break; - case MotionEvent.ACTION_HOVER_EXIT: { - event.setAction(MotionEvent.ACTION_UP); - } break; - } - return onTouchEvent(event); - } - return true; - } - */ - - @Override - public boolean performClick() { - return super.performClick(); - } - - @Override - public boolean onTouchEvent(@NonNull final MotionEvent me) { - // Convert multi-pointer up/down events to single up/down events to - // deal with the typical multi-pointer behavior of two-thumb typing - final int index = me.getActionIndex(); - final int pointerCount = me.getPointerCount(); - final int action = me.getActionMasked(); - boolean result = false; - final long now = me.getEventTime(); - - mComboMode = false; - if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_CANCEL) { - mComboCount = 0; - if (getPrefs().getKeyboard().getHookFastInput()) - isFastInput = getPrefs().getKeyboard().getSwipeTimeHi() > me.getEventTime() - mLastUpTime; - else isFastInput = false; - } else if (pointerCount > 1 - || action == MotionEvent.ACTION_POINTER_DOWN - || action == MotionEvent.ACTION_POINTER_UP) { - mComboMode = true; - } - - if (action == MotionEvent.ACTION_UP) { - Timber.d("swipeDebug.onTouchEvent ?, action = ACTION_UP"); - } - - if (action == MotionEvent.ACTION_POINTER_UP - || (mOldPointerCount > 1 && action == MotionEvent.ACTION_UP)) { - // 並擊鬆開前的虛擬按鍵事件 - final MotionEvent ev = - MotionEvent.obtain( - now, - now, - MotionEvent.ACTION_POINTER_DOWN, - me.getX(index), - me.getY(index), - me.getMetaState()); - result = onModifiedTouchEvent(ev, false); - ev.recycle(); - Timber.d("\t\tonTouchEvent()\tactionUp done"); - } - - if (action == MotionEvent.ACTION_POINTER_DOWN) { - // 並擊中的按鍵事件，需要按鍵提示 - final MotionEvent ev = - MotionEvent.obtain( - now, now, MotionEvent.ACTION_DOWN, me.getX(index), me.getY(index), me.getMetaState()); - result = onModifiedTouchEvent(ev, false); - ev.recycle(); - Timber.d("\t\tonModifiedTouchEvent()\tactionDown done"); - } else { - Timber.d("\t\tonModifiedTouchEvent()\tonModifiedTouchEvent"); - result = onModifiedTouchEvent(me, false); - Timber.d("\t\tonModifiedTouchEvent()\tnot actionDown done"); - } - - if (action != MotionEvent.ACTION_MOVE) mOldPointerCount = pointerCount; - performClick(); - return result; - } - - private boolean onModifiedTouchEvent(@NonNull final MotionEvent me, final boolean possiblePoly) { - // final int pointerCount = me.getPointerCount(); - final int index = me.getActionIndex(); - int touchX = (int) me.getX(index) - getPaddingLeft(); - int touchY = (int) me.getY(index) - getPaddingTop(); - if (touchY >= -mVerticalCorrection) touchY += mVerticalCorrection; - final int action = me.getActionMasked(); - final long eventTime = me.getEventTime(); - final int keyIndex = getKeyIndices(touchX, touchY, null); - mPossiblePoly = possiblePoly; - - // Track the last few movements to look for spurious swipes. - if (action == MotionEvent.ACTION_DOWN) mSwipeTracker.clear(); - mSwipeTracker.addMovement(me); - - if (action == MotionEvent.ACTION_CANCEL) - Timber.d("swipeDebug.onModifiedTouchEvent before gesture, action = cancel"); - else if (action == MotionEvent.ACTION_UP) - Timber.d("swipeDebug.onModifiedTouchEvent before gesture, action = UP"); - else Timber.d("swipeDebug.onModifiedTouchEvent before gesture, action != UP"); - - // Ignore all motion events until a DOWN. - if (mAbortKey && action != MotionEvent.ACTION_DOWN && action != MotionEvent.ACTION_CANCEL) { - return true; - } - - // 优先判定是否触发了滑动手势 - if (getPrefs().getKeyboard().getSwipeEnabled()) { - if (mGestureDetector.onTouchEvent(me)) { - showPreview(NOT_A_KEY); - mHandler.removeMessages(MSG_REPEAT); - mHandler.removeMessages(MSG_LONGPRESS); - return true; - } - } - - // Needs to be called after the gesture detector gets a turn, as it may have - // displayed the mini keyboard - if (mMiniKeyboardOnScreen && action != MotionEvent.ACTION_CANCEL) { - return true; - } - - switch (action) { - case MotionEvent.ACTION_DOWN: - touchX0 = touchX; - touchY0 = touchY; - touchOnePoint = true; - case MotionEvent.ACTION_POINTER_DOWN: - mAbortKey = false; - mStartX = touchX; - mStartY = touchY; - mLastCodeX = touchX; - mLastCodeY = touchY; - mLastKeyTime = 0; - mCurrentKeyTime = 0; - mLastKey = NOT_A_KEY; - mCurrentKey = keyIndex; - mDownKey = keyIndex; - mDownTime = me.getEventTime(); - mLastMoveTime = mDownTime; - touchOnePoint = false; - if (action == MotionEvent.ACTION_POINTER_DOWN) break; // 並擊鬆開前的虛擬按鍵事件 - checkMultiTap(eventTime, keyIndex); - mKeyboardActionListener.onPress(keyIndex != NOT_A_KEY ? mKeys[keyIndex].getCode() : 0); - if (mCurrentKey >= 0 && mKeys[mCurrentKey].getClick().isRepeatable()) { - mRepeatKeyIndex = mCurrentKey; - final Message msg = mHandler.obtainMessage(MSG_REPEAT); - final int repeatStartDelay = getPrefs().getKeyboard().getLongPressTimeout() + 1; - mHandler.sendMessageDelayed(msg, repeatStartDelay); - // Delivering the key could have caused an abort - if (mAbortKey) { - mRepeatKeyIndex = NOT_A_KEY; - break; - } - } - if (mCurrentKey != NOT_A_KEY) { - final Message msg = mHandler.obtainMessage(MSG_LONGPRESS, me); - mHandler.sendMessageDelayed(msg, getPrefs().getKeyboard().getLongPressTimeout()); - } - showPreview(keyIndex, 0); - break; - - case MotionEvent.ACTION_MOVE: - boolean continueLongPress = false; - if (keyIndex != NOT_A_KEY) { - if (mCurrentKey == NOT_A_KEY) { - mCurrentKey = keyIndex; - mCurrentKeyTime = eventTime - mDownTime; - } else { - if (keyIndex == mCurrentKey) { - mCurrentKeyTime += eventTime - mLastMoveTime; - continueLongPress = true; - } else if (mRepeatKeyIndex == NOT_A_KEY) { - resetMultiTap(); - mLastKey = mCurrentKey; - mLastCodeX = mLastX; - mLastCodeY = mLastY; - mLastKeyTime = mCurrentKeyTime + eventTime - mLastMoveTime; - mCurrentKey = keyIndex; - mCurrentKeyTime = 0; - } - } - } - if (!mComboMode && !continueLongPress) { - // Cancel old long press - mHandler.removeMessages(MSG_LONGPRESS); - // Start new long press if key has changed - if (keyIndex != NOT_A_KEY) { - final Message msg = mHandler.obtainMessage(MSG_LONGPRESS, me); - mHandler.sendMessageDelayed(msg, getPrefs().getKeyboard().getLongPressTimeout()); - } - } - showPreview(mCurrentKey); - mLastMoveTime = eventTime; - break; - - case MotionEvent.ACTION_UP: - Timber.d( - "swipeDebug.onModifiedTouchEvent mGestureDetector.onTouchEvent(me) = fall & action_up"); - case MotionEvent.ACTION_POINTER_UP: - removeMessages(); - mLastUpTime = eventTime; - if (keyIndex == mCurrentKey) { - mCurrentKeyTime += eventTime - mLastMoveTime; - } else { - resetMultiTap(); - mLastKey = mCurrentKey; - mLastKeyTime = mCurrentKeyTime + eventTime - mLastMoveTime; - mCurrentKey = keyIndex; - mCurrentKeyTime = 0; - } - - // 滑动兜底，不判定速度，只判定距离 - if (getPrefs().getKeyboard().getSwipeEnabled()) { - int dx = touchX - touchX0; - int dy = touchY - touchY0; - int absX = Math.abs(dx); - int absY = Math.abs(dy); - final int travel = - (isFastInput && isClickAtLast) - ? getPrefs().getKeyboard().getSwipeTravelHi() - : getPrefs().getKeyboard().getSwipeTravel(); - - if (Math.max(absY, absX) > travel && touchOnePoint) { - Timber.d("\t\tonModifiedTouchEvent()\ttouch"); - KeyEventType type = KeyEventType.CLICK; - if (absX < absY) { - Timber.d("swipeDebug.ext y, dX=%d, dY=%d", dx, dy); - if (dy > travel) type = KeyEventType.SWIPE_DOWN; - else type = KeyEventType.SWIPE_UP; - } else { - Timber.d("swipeDebug.ext x, dX=%d, dY=%d", dx, dy); - if (dx > travel) type = KeyEventType.SWIPE_RIGHT; - else type = KeyEventType.SWIPE_LEFT; - } - - showPreview(NOT_A_KEY); - mHandler.removeMessages(MSG_REPEAT); - mHandler.removeMessages(MSG_LONGPRESS); - detectAndSendKey(mDownKey, mStartX, mStartY, me.getEventTime(), type); - isClickAtLast = false; - return true; - } else Timber.d("swipeDebug.ext fail, dX=%d, dY=%d", dx, dy); - } - - if (mCurrentKeyTime < mLastKeyTime - && mCurrentKeyTime < DEBOUNCE_TIME - && mLastKey != NOT_A_KEY) { - mCurrentKey = mLastKey; - touchX = mLastCodeX; - touchY = mLastCodeY; - } - showPreview(NOT_A_KEY); - Arrays.fill(mKeyIndices, NOT_A_KEY); - // If we're not on a repeating key (which sends on a DOWN event) - if (mRepeatKeyIndex != NOT_A_KEY && !mAbortKey) repeatKey(); - if (mRepeatKeyIndex == NOT_A_KEY && !mMiniKeyboardOnScreen && !mAbortKey) { - Timber.d("\t\tonModifiedTouchEvent()\tdetectAndSendKey"); - detectAndSendKey( - mCurrentKey, - touchX, - touchY, - eventTime, - (mOldPointerCount > 1 || mComboMode) ? KeyEventType.COMBO : KeyEventType.CLICK); - isClickAtLast = true; - } - Timber.d("\t\tonModifiedTouchEvent()\tdetectAndSendKey finish"); - invalidateKey(keyIndex); - mRepeatKeyIndex = NOT_A_KEY; - break; - case MotionEvent.ACTION_CANCEL: - removeMessages(); - dismissPopupKeyboard(); - mAbortKey = true; - showPreview(NOT_A_KEY); - invalidateKey(mCurrentKey); - break; - } - mLastX = touchX; - mLastY = touchY; - return true; - } - - private boolean repeatKey() { - Timber.d("\t\trepeatKey()"); - final Key key = mKeys[mRepeatKeyIndex]; - detectAndSendKey(mCurrentKey, key.x, key.y, mLastTapTime); - return true; - } - - public void closing() { - if (mPreviewPopup.isShowing()) { - mPreviewPopup.dismiss(); - } - removeMessages(); - - dismissPopupKeyboard(); - mBuffer = null; - mCanvas = null; - mMiniKeyboardCache.clear(); - } - - private void removeMessages() { - mHandler.removeMessages(MSG_REPEAT); - mHandler.removeMessages(MSG_LONGPRESS); - mHandler.removeMessages(MSG_SHOW_PREVIEW); - } - - @Override - public void onDetachedFromWindow() { - super.onDetachedFromWindow(); - closing(); - } - - private void dismissPopupKeyboard() { - if (mPopupKeyboard.isShowing()) { - mPopupKeyboard.dismiss(); - mMiniKeyboardOnScreen = false; - invalidateAllKeys(); - } - } - - public boolean handleBack() { - if (mPopupKeyboard.isShowing()) { - dismissPopupKeyboard(); - return true; - } - return false; - } - - private void resetMultiTap() { - mLastSentIndex = NOT_A_KEY; - // final int mTapCount = 0; - mLastTapTime = -1; - // final boolean mInMultiTap = false; - } - - private void checkMultiTap(long eventTime, int keyIndex) { - if (keyIndex == NOT_A_KEY) return; - // final Key key = mKeys[keyIndex]; - final int multiTabInterval = getPrefs().getKeyboard().getLongPressTimeout(); - if (eventTime > mLastTapTime + multiTabInterval || keyIndex != mLastSentIndex) { - resetMultiTap(); - } - } - - /** 識別滑動手勢 */ - private static class SwipeTracker { - - static final int NUM_PAST = 4; - static final int LONGEST_PAST_TIME = 200; - - final float[] mPastX = new float[NUM_PAST]; - final float[] mPastY = new float[NUM_PAST]; - final long[] mPastTime = new long[NUM_PAST]; - - float mYVelocity; - float mXVelocity; - - public void clear() { - mPastTime[0] = 0; - } - - public void addMovement(@NonNull final MotionEvent ev) { - long time = ev.getEventTime(); - final int N = ev.getHistorySize(); - for (int i = 0; i < N; i++) { - addPoint(ev.getHistoricalX(i), ev.getHistoricalY(i), ev.getHistoricalEventTime(i)); - } - addPoint(ev.getX(), ev.getY(), time); - } - - private void addPoint(final float x, final float y, final long time) { - int drop = -1; - int i; - final long[] pastTime = mPastTime; - for (i = 0; i < NUM_PAST; i++) { - if (pastTime[i] == 0) { - break; - } else if (pastTime[i] < time - LONGEST_PAST_TIME) { - drop = i; - } - } - if (i == NUM_PAST && drop < 0) { - drop = 0; - } - if (drop == i) drop--; - final float[] pastX = mPastX; - final float[] pastY = mPastY; - if (drop >= 0) { - final int start = drop + 1; - final int count = NUM_PAST - drop - 1; - System.arraycopy(pastX, start, pastX, 0, count); - System.arraycopy(pastY, start, pastY, 0, count); - System.arraycopy(pastTime, start, pastTime, 0, count); - i -= (drop + 1); - } - pastX[i] = x; - pastY[i] = y; - pastTime[i] = time; - i++; - if (i < NUM_PAST) { - pastTime[i] = 0; - } - } - - public void computeCurrentVelocity(int units) { - computeCurrentVelocity(units, Float.MAX_VALUE); - } - - public void computeCurrentVelocity(int units, float maxVelocity) { - final float[] pastX = mPastX; - final float[] pastY = mPastY; - final long[] pastTime = mPastTime; - - final float oldestX = pastX[0]; - final float oldestY = pastY[0]; - final long oldestTime = pastTime[0]; - float accumX = 0; - float accumY = 0; - int N = 0; - while (N < NUM_PAST) { - if (pastTime[N] == 0) { - break; - } - N++; - } - - for (int i = 1; i < N; i++) { - final int dur = (int) (pastTime[i] - oldestTime); - if (dur == 0) continue; - float dist = pastX[i] - oldestX; - float vel = (dist / dur) * units; // pixels/frame. - if (accumX == 0) accumX = vel; - else accumX = (accumX + vel) * .5f; - - dist = pastY[i] - oldestY; - vel = (dist / dur) * units; // pixels/frame. - if (accumY == 0) accumY = vel; - else accumY = (accumY + vel) * .5f; - } - mXVelocity = accumX < 0.0f ? Math.max(accumX, -maxVelocity) : Math.min(accumX, maxVelocity); - mYVelocity = accumY < 0.0f ? Math.max(accumY, -maxVelocity) : Math.min(accumY, maxVelocity); - } - - public float getXVelocity() { - return mXVelocity; - } - - public float getYVelocity() { - return mYVelocity; - } - } -} diff --git a/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.kt b/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.kt new file mode 100644 index 0000000000..6a7f679abd --- /dev/null +++ b/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.kt @@ -0,0 +1,1894 @@ +/* + * Copyright (C) 2015-present, osfans + * waxaca@163.com https://github.com/osfans + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +package com.osfans.trime.ime.keyboard + +import android.content.Context +import android.content.res.ColorStateList +import android.graphics.Bitmap +import android.graphics.Canvas +import android.graphics.Paint +import android.graphics.PorterDuff +import android.graphics.Rect +import android.graphics.drawable.Drawable +import android.graphics.drawable.GradientDrawable +import android.graphics.drawable.StateListDrawable +import android.os.Build +import android.os.Message +import android.text.TextUtils +import android.util.AttributeSet +import android.view.GestureDetector +import android.view.GestureDetector.SimpleOnGestureListener +import android.view.Gravity +import android.view.LayoutInflater +import android.view.MotionEvent +import android.view.View +import android.view.inputmethod.EditorInfo +import android.widget.PopupWindow +import android.widget.TextView +import com.osfans.trime.R +import com.osfans.trime.data.AppPrefs +import com.osfans.trime.data.AppPrefs.Companion.defaultInstance +import com.osfans.trime.data.theme.FontManager.getTypeface +import com.osfans.trime.data.theme.Theme +import com.osfans.trime.data.theme.Theme.Companion.get +import com.osfans.trime.databinding.KeyboardKeyPreviewBinding +import com.osfans.trime.ime.enums.KeyEventType +import com.osfans.trime.ime.keyboard.Key.Companion.isTrimeModifierKey +import com.osfans.trime.util.LeakGuardHandlerWrapper +import com.osfans.trime.util.dp2px +import com.osfans.trime.util.sp2px +import splitties.systemservices.layoutInflater +import timber.log.Timber +import java.lang.reflect.Method +import java.util.Arrays + +/** 顯示[鍵盤][Keyboard]及[按鍵][Key] */ + +@Suppress("ktlint:standard:property-naming") +class KeyboardView(context: Context?, attrs: AttributeSet?) : View(context, attrs), View.OnClickListener { + /** 處理按鍵、觸摸等輸入事件 */ + interface OnKeyboardActionListener { + /** + * Called when the user presses a key. This is sent before the [.onKey] is called. For + * keys that repeat, this is only called once. + * + * @param primaryCode the unicode of the key being pressed. If the touch is not on a valid key, + * the value will be zero. + */ + fun onPress(primaryCode: Int) + + /** + * Called when the user releases a key. This is sent after the [.onKey] is called. For + * keys that repeat, this is only called once. + * + * @param primaryCode the code of the key that was released + */ + fun onRelease(primaryCode: Int) + + fun onEvent(event: Event?) + + /** + * Send a key press to the listener. + * + * @param primaryCode this is the key that was pressed + * @param mask the codes for all the possible alternative keys with the primary code being the + * first. If the primary key code is a single character such as an alphabet or number or + * symbol, the alternatives will include other characters that may be on the same key or + * adjacent keys. These codes are useful to correct for accidental presses of a key adjacent + * to the intended key. + */ + fun onKey( + primaryCode: Int, + mask: Int, + ) + + /** + * Sends a sequence of characters to the listener. + * + * @param text the sequence of characters to be displayed. + */ + fun onText(text: CharSequence?) + } + + private var mKeyboard: Keyboard? = null + private var mCurrentKeyIndex = NOT_A_KEY + private var mLabelTextSize = 0 + private var mKeyTextSize = 0 + private var mKeyTextColor: ColorStateList? = null + private var mKeyBackColor: StateListDrawable? = null + + private var key_symbol_color = 0 + private var hilited_key_symbol_color = 0 + private var mSymbolSize = 0 + private val mPaintSymbol: Paint + private var mShadowRadius = 0f + private var mShadowColor = 0 + private var mBackgroundDimAmount = 0f + + // private Drawable mBackground; + private val mPreviewText: TextView + private val mPreviewPopup: PopupWindow + private var mPreviewOffset = 0 + private var mPreviewHeight = 0 + + // Working variable + private val mCoordinates = IntArray(2) + private val mPopupKeyboard: PopupWindow + private var mMiniKeyboardOnScreen = false + private var mPopupParent: View + private var mMiniKeyboardOffsetX = 0 + private var mMiniKeyboardOffsetY = 0 + private val mMiniKeyboardCache: MutableMap + private var mKeys: Array? = null + + /** Listener for [OnKeyboardActionListener]. */ + private var onKeyboardActionListener: OnKeyboardActionListener? = null + private var mVerticalCorrection = 0 + private var mProximityThreshold = 0 + + /** + * Enables or disables the key feedback popup. This is a popup that shows a magnified version of + * the depressed key. By default the preview is enabled. + */ + private var showPreview = true + private var mLastX = 0 + private var mLastY = 0 + private var mStartX = 0 + private var mStartY = 0 + private var touchX0 = 0 + private var touchY0 = 0 + private var touchOnePoint = false + + /** + * 是否允許距離校正 When enabled, calls to [OnKeyboardActionListener.onKey] will include key codes for + * adjacent keys. When disabled, only the primary key code will be reported. + */ + private var enableProximityCorrection = false + private val mPaint: Paint + private val mPadding: Rect + private var mDownTime: Long = 0 + private var mLastMoveTime: Long = 0 + private var mLastKey = 0 + private var mLastCodeX = 0 + private var mLastCodeY = 0 + private var mCurrentKey = NOT_A_KEY + private var mDownKey = NOT_A_KEY + private var mLastKeyTime: Long = 0 + private var mCurrentKeyTime: Long = 0 + private var mLastUpTime: Long = 0 + private var isFastInput = false + private var isClickAtLast = false + private val mKeyIndices = IntArray(12) + private var mGestureDetector: GestureDetector? = null + private var mRepeatKeyIndex = NOT_A_KEY + private val mPopupLayout: Int + private var mAbortKey = false + private var mInvalidatedKey: Key? = null + private val mClipRegion = Rect(0, 0, 0, 0) + private var mPossiblePoly = false + private val mSwipeTracker = SwipeTracker() + private val mDisambiguateSwipe: Boolean + + // Variables for dealing with multiple pointers + private var mOldPointerCount = 1 + private val mComboCodes = IntArray(10) + private var mComboCount = 0 + private var mComboMode = false + private val mDistances = IntArray(MAX_NEARBY_KEYS) + + // For multi-tap + private var mLastSentIndex = 0 + private var mLastTapTime: Long = 0 + private val mPreviewLabel = StringBuilder(1) + + /** Whether the keyboard bitmap needs to be redrawn before it's blitted. * */ + private var mDrawPending = false + + /** The dirty region in the keyboard bitmap */ + private val mDirtyRect = Rect() + + /** The keyboard bitmap for faster updates */ + private var mBuffer: Bitmap? = null + + /** Notes if the keyboard just changed, so that we could possibly reallocate the mBuffer. */ + private var mKeyboardChanged = false + + /** The canvas for the above mutable keyboard bitmap */ + private var mCanvas: Canvas? = null + // The accessibility manager for accessibility support */ + // private AccessibilityManager mAccessibilityManager; + // The audio manager for accessibility support */ + // private AudioManager mAudioManager; + + /** + * Whether the requirement of a headset to hear passwords if accessibility is enabled is + * announced. + */ + private val mHeadsetRequiredToHearPasswordsAnnounced = false + private var mShowHint = true + private var mShowSymbol = true + private var findStateDrawableIndex: Method? = null + private var getStateDrawable: Method? = null + private var labelEnter: String? = "" + private var mEnterLabels: MutableMap? = null + private var enterLabelMode = 0 + + fun setShowHint(value: Boolean) { + mShowHint = value + } + + fun setShowSymbol(value: Boolean) { + mShowSymbol = value + } + + fun resetEnterLabel() { + labelEnter = mEnterLabels!!["default"] + } + + fun setOnKeyboardActionListener(listener: OnKeyboardActionListener?) { + onKeyboardActionListener = listener + } + + private fun handleEnterLabel(theme: Theme) { + mEnterLabels = theme.style.getObject("enter_labels") as MutableMap? + if (mEnterLabels == null) { + mEnterLabels = HashMap() + } + val defaultEnterLabel: String? + if (mEnterLabels!!.containsKey("default")) { + defaultEnterLabel = mEnterLabels!!["default"] + } else { + defaultEnterLabel = "Enter" + mEnterLabels!!["default"] = defaultEnterLabel + } + for (label in arrayOf("done", "go", "next", "none", "pre", "search", "send")) { + if (!mEnterLabels!!.containsKey(label)) { + mEnterLabels!![label] = defaultEnterLabel + } + } + } + + fun setEnterLabel( + action: Int, + actionLabel: CharSequence?, + ) { + // enter_label_mode 取值： + // 0不使用，1只使用actionlabel，2优先使用，3当其他方式没有获得label时才读取actionlabel + if (enterLabelMode == 1) { + labelEnter = if (!actionLabel.isNullOrEmpty()) actionLabel.toString() else mEnterLabels!!["default"] + return + } + if (enterLabelMode == 2) { + if (!actionLabel.isNullOrEmpty()) { + labelEnter = actionLabel.toString() + return + } + } + when (action) { + EditorInfo.IME_ACTION_DONE -> labelEnter = mEnterLabels!!["done"] + EditorInfo.IME_ACTION_GO -> labelEnter = mEnterLabels!!["go"] + EditorInfo.IME_ACTION_NEXT -> labelEnter = mEnterLabels!!["next"] + EditorInfo.IME_ACTION_PREVIOUS -> labelEnter = mEnterLabels!!["pre"] + EditorInfo.IME_ACTION_SEARCH -> labelEnter = mEnterLabels!!["search"] + EditorInfo.IME_ACTION_SEND -> labelEnter = mEnterLabels!!["send"] + EditorInfo.IME_ACTION_NONE -> { + labelEnter = mEnterLabels!!["none"] + if (enterLabelMode == 3) { + if (!actionLabel.isNullOrEmpty()) { + labelEnter = actionLabel.toString() + return + } + } + labelEnter = mEnterLabels!!["default"] + } + + else -> { + if (enterLabelMode == 3) { + if (!actionLabel.isNullOrEmpty()) { + labelEnter = actionLabel.toString() + return + } + } + labelEnter = mEnterLabels!!["default"] + } + } + } + + private val mHandler = MyHandler(this) + + private class MyHandler(view: KeyboardView) : LeakGuardHandlerWrapper(view) { + override fun handleMessage(msg: Message) { + val mKeyboardView = getOwnerInstanceOrNull() ?: return + when (msg.what) { + MSG_SHOW_PREVIEW -> mKeyboardView.showKey(msg.arg1, msg.arg2) + MSG_REMOVE_PREVIEW -> mKeyboardView.mPreviewText.visibility = INVISIBLE + MSG_REPEAT -> + if (mKeyboardView.repeatKey()) { + val repeat = Message.obtain(this, MSG_REPEAT) + sendMessageDelayed(repeat, prefs.keyboard.repeatInterval.toLong()) + } + + MSG_LONGPRESS -> mKeyboardView.openPopupIfRequired(msg.obj as MotionEvent) + } + } + } + + fun reset() { + val theme = get() + key_symbol_color = theme.colors.getColor("key_symbol_color")!! + hilited_key_symbol_color = theme.colors.getColor("hilited_key_symbol_color")!! + mShadowColor = theme.colors.getColor("shadow_color")!! + mSymbolSize = sp2px(theme.style.getFloat("symbol_text_size")).toInt() + mKeyTextSize = sp2px(theme.style.getFloat("key_text_size")).toInt() + mVerticalCorrection = dp2px(theme.style.getFloat("vertical_correction")).toInt() + enableProximityCorrection = theme.style.getBoolean("proximity_correction") + mPreviewOffset = dp2px(theme.style.getFloat("preview_offset")).toInt() + mPreviewHeight = dp2px(theme.style.getFloat("preview_height")).toInt() + mLabelTextSize = sp2px(theme.style.getFloat("key_long_text_size")).toInt() + if (mLabelTextSize == 0) mLabelTextSize = mKeyTextSize + mBackgroundDimAmount = theme.style.getFloat("background_dim_amount") + mShadowRadius = theme.style.getFloat("shadow_radius") + val mRoundCorner = theme.style.getFloat("round_corner") + mKeyBackColor = StateListDrawable() + mKeyBackColor!!.addState( + Key.KEY_STATE_PRESSED_ON, + theme.colors.getDrawable("hilited_on_key_back_color"), + ) + mKeyBackColor!!.addState( + Key.KEY_STATE_PRESSED_OFF, + theme.colors.getDrawable("hilited_off_key_back_color"), + ) + mKeyBackColor!!.addState(Key.KEY_STATE_NORMAL_ON, theme.colors.getDrawable("on_key_back_color")) + mKeyBackColor!!.addState( + Key.KEY_STATE_NORMAL_OFF, + theme.colors.getDrawable("off_key_back_color"), + ) + mKeyBackColor!!.addState( + Key.KEY_STATE_PRESSED, + theme.colors.getDrawable("hilited_key_back_color"), + ) + mKeyBackColor!!.addState(Key.KEY_STATE_NORMAL, theme.colors.getDrawable("key_back_color")) + mKeyTextColor = + ColorStateList( + Key.KEY_STATES, + intArrayOf( + theme.colors.getColor("hilited_on_key_text_color")!!, + theme.colors.getColor("hilited_off_key_text_color")!!, + theme.colors.getColor("on_key_text_color")!!, + theme.colors.getColor("off_key_text_color")!!, + theme.colors.getColor("hilited_key_text_color")!!, + theme.colors.getColor("key_text_color")!!, + ), + ) + val color = theme.colors.getColor("preview_text_color") + if (color != null) mPreviewText.setTextColor(color) + val previewBackColor = theme.colors.getColor("preview_back_color") + if (previewBackColor != null) { + val background = GradientDrawable() + background.setColor(previewBackColor) + background.cornerRadius = mRoundCorner + mPreviewText.background = background + } + val mPreviewTextSizeLarge = theme.style.getInt("preview_text_size") + mPreviewText.textSize = mPreviewTextSizeLarge.toFloat() + showPreview = prefs.keyboard.popupKeyPressEnabled + mPaint.setTypeface(getTypeface(theme.style.getString("key_font"))) + mPaintSymbol.setTypeface(getTypeface(theme.style.getString("symbol_font"))) + mPaintSymbol.color = key_symbol_color + mPaintSymbol.textSize = mSymbolSize.toFloat() + mPreviewText.typeface = getTypeface(theme.style.getString("preview_font")) + handleEnterLabel(theme) + enterLabelMode = theme.style.getInt("enter_label_mode") + invalidateAllKeys() + } + + init { + try { + findStateDrawableIndex = + StateListDrawable::class.java.getMethod( + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) "findStateDrawableIndex" else "getStateDrawableIndex", + IntArray::class.java, + ) + getStateDrawable = StateListDrawable::class.java.getMethod("getStateDrawable", Int::class.javaPrimitiveType) + } catch (ex: Exception) { + Timber.e(ex, "Get Drawable Exception") + } + mPreviewText = KeyboardKeyPreviewBinding.inflate(LayoutInflater.from(context)).root + mPaint = Paint() + mPaint.isAntiAlias = true + mPaint.textAlign = Paint.Align.CENTER + mPaintSymbol = Paint() + mPaintSymbol.isAntiAlias = true + mPaintSymbol.textAlign = Paint.Align.CENTER + // reset(context); + mPreviewPopup = PopupWindow(context) + mPreviewPopup.contentView = mPreviewText + mPreviewPopup.setBackgroundDrawable(null) + mPreviewPopup.isTouchable = false + mPopupLayout = R.layout.keyboard_popup_keyboard + mPopupKeyboard = PopupWindow(context) + mPopupKeyboard.setBackgroundDrawable(null) + mPopupParent = this + mPadding = Rect(0, 0, 0, 0) + mMiniKeyboardCache = HashMap() + mDisambiguateSwipe = false + resetMultiTap() + initGestureDetector() + } + + private fun initGestureDetector() { + mGestureDetector = + GestureDetector( + null, + object : SimpleOnGestureListener() { + override fun onFling( + me1: MotionEvent?, + me2: MotionEvent, + velocityX: Float, + velocityY: Float, + ): Boolean { + /* + Judgment basis: the sliding distance exceeds the threshold value, + and the sliding distance on the corresponding axis is less than + the sliding distance on the other coordinate axis. + */ + if (mPossiblePoly) return false + val deltaX = me2.x - me1!!.x // distance X + val deltaY = me2.y - me1.y // distance Y + val absX = Math.abs(deltaX) // absolute value of distance X + val absY = Math.abs(deltaY) // absolute value of distance Y + val travel = // threshold distance + // I don't really know what getSwipeTravelHi is. + // For any one see this plz change the method name to something + // more understandable. + if (isFastInput && isClickAtLast) prefs.keyboard.swipeTravelHi else prefs.keyboard.swipeTravel + val velocity = // threshold velocity. + // Same here for getSwipeVelocityHi + if (isFastInput && isClickAtLast) prefs.keyboard.swipeVelocity else prefs.keyboard.swipeVelocityHi + mSwipeTracker.computeCurrentVelocity(10) + val endingVelocityX: Float = mSwipeTracker.xVelocity + val endingVelocityY: Float = mSwipeTracker.yVelocity + var sendDownKey = false + var type = KeyEventType.CLICK + // In my tests velocity always smaller than 400 + // so I don't really why we need to compare velocity here, + // as default value of getSwipeVelocity() is 800 + // and default value of getSwipeVelocityHi() is 25000, + // so for most of the users that judgment is always true + if ((deltaX > travel || velocityX > velocity) && + ( + absY < absX || ( + deltaY > 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_UP.ordinal] == null + ) || + ( + deltaY < 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_DOWN.ordinal] == null + ) + ) && mKeys!![mDownKey].events[KeyEventType.SWIPE_RIGHT.ordinal] != null + ) { + // I should have implement mDisambiguateSwipe as a config option, but the logic + // here is really weird, and I don't really know + // when it is enabled what should be the behavior, so I just left it always false. + // endingVelocityX and endingVelocityY seems always > 0 but velocityX and + // velocityY can be negative. + if (mDisambiguateSwipe && endingVelocityX > velocityX / 4) { + return true + } else { + sendDownKey = true + type = KeyEventType.SWIPE_RIGHT + } + } else if ((deltaX < -travel || velocityX < -velocity) && + ( + absY < absX || ( + deltaY > 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_UP.ordinal] == null + ) || + ( + deltaY < 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_DOWN.ordinal] == null + ) + ) && mKeys!![mDownKey].events[KeyEventType.SWIPE_LEFT.ordinal] != null + ) { + if (mDisambiguateSwipe && endingVelocityX < velocityX / 4) { + return true + } else { + sendDownKey = true + type = KeyEventType.SWIPE_LEFT + } + } else if ((deltaY < -travel || velocityY < -velocity) && + ( + absX < absY || ( + deltaX > 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_RIGHT.ordinal] == null + ) || + ( + deltaX < 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_LEFT.ordinal] == null + ) + ) && mKeys!![mDownKey].events[KeyEventType.SWIPE_UP.ordinal] != null + ) { + if (mDisambiguateSwipe && endingVelocityY < velocityY / 4) { + return true + } else { + sendDownKey = true + type = KeyEventType.SWIPE_UP + } + } else if ((deltaY > travel || velocityY > velocity) && + ( + absX < absY || ( + deltaX > 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_RIGHT.ordinal] == null + ) || + ( + deltaX < 0 && + mKeys!![mDownKey].events[KeyEventType.SWIPE_LEFT.ordinal] == null + ) + ) && mKeys!![mDownKey].events[KeyEventType.SWIPE_DOWN.ordinal] != null + ) { + if (mDisambiguateSwipe && endingVelocityY > velocityY / 4) { + return true + } else { + sendDownKey = true + type = KeyEventType.SWIPE_DOWN + } + } else { + Timber.d( + "swipeDebug.onFling fail , dY=%f, vY=%f, eVY=%f, travel=%d", + deltaY, velocityY, endingVelocityY, travel, + ) + } + if (sendDownKey) { + Timber.d("\t\tinitGestureDetector()\tsendDownKey") + showPreview(NOT_A_KEY) + showPreview(mDownKey, type.ordinal) + detectAndSendKey(mDownKey, mStartX, mStartY, me1.eventTime, type) + isClickAtLast = false + return true + } + return false + } + }, + ) + mGestureDetector!!.setIsLongpressEnabled(false) + } + + private fun setKeyboardBackground() { + if (mKeyboard == null) return + var d = mPreviewText.background + if (d is GradientDrawable) { + d.cornerRadius = mKeyboard!!.roundCorner + mPreviewText.background = d + } + d = mKeyboard!!.background + background = d + } + + var keyboard: Keyboard? + /** + * Returns the current keyboard being displayed by this view. + * + * @return the currently attached keyboard + * @see .setKeyboard + */ + get() = mKeyboard + + /** + * Attaches a keyboard to this view. The keyboard can be switched at any time and the view will + * re-layout itself to accommodate the keyboard. + * + * @see Keyboard + * + * @see .getKeyboard + * @param keyboard the keyboard to display in this view + */ + set(keyboard) { + if (mKeyboard != null) { + showPreview(NOT_A_KEY) + } + // Remove any pending messages + removeMessages() + mRepeatKeyIndex = NOT_A_KEY + mKeyboard = keyboard + val keys = mKeyboard!!.keys + mKeys = keys.toTypedArray() + setKeyboardBackground() + requestLayout() + // Hint to reallocate the buffer if the size changed + mKeyboardChanged = true + invalidateAllKeys() + computeProximityThreshold(keyboard) + mMiniKeyboardCache.clear() // Not really necessary to do every time, but will free up views + // Switching to a different keyboard should abort any pending keys so that the key up + // doesn't get delivered to the old or new keyboard + mAbortKey = true // Until the next ACTION_DOWN + } + + /** + * 设置键盘修饰键的状态 + * + * @param key 按下的修饰键(非组合键） + * @return + */ + fun setModifier(key: Key): Boolean { + if (mKeyboard != null) { + if (mKeyboard!!.clikModifierKey(key.isShiftLock, key.modifierKeyOnMask)) { + invalidateAllKeys() + return true + } + } + return false + } + + /** + * 設定鍵盤的Shift鍵狀態 + * + * @param on 是否保持Shift按下狀態 + * @param shifted 是否按下Shift + * @return Shift鍵狀態是否改變 + * @see Keyboard.setShifted + */ + fun setShifted( + on: Boolean, + shifted: Boolean, + ): Boolean { + if (mKeyboard != null) { + // todo 扩展为设置全部修饰键的状态 + if (mKeyboard!!.setShifted(on, shifted)) { + // The whole keyboard probably needs to be redrawn + invalidateAllKeys() + return true + } + } + return false + } + + private fun resetShifted(): Boolean { + if (mKeyboard != null) { + if (mKeyboard!!.resetShifted()) { + // The whole keyboard probably needs to be redrawn + invalidateAllKeys() + return true + } + } + return false + } + + // 重置全部修饰键的状态 + private fun resetModifer(): Boolean { + if (mKeyboard != null) { + if (mKeyboard!!.resetModifer()) { + // The whole keyboard probably needs to be redrawn + invalidateAllKeys() + return true + } + } + return false + } + + // 重置全部修饰键的状态(如果有锁定则不重置） + private fun refreshModifier() { + if (mKeyboard != null) { + if (mKeyboard!!.refreshModifier()) { + invalidateAllKeys() + } + } + } + + fun hasModifier(): Boolean { + return if (mKeyboard != null) { + mKeyboard!!.hasModifier() + } else { + false + } + } + + val isShifted: Boolean + /** + * Returns the state of the shift key of the keyboard, if any. + * + * @return true if the shift is in a pressed state, false otherwise. If there is no shift key on + * the keyboard or there is no keyboard attached, it returns false. + * @see KeyboardView.setShifted + */ + get() = + if (mKeyboard != null) { + mKeyboard!!.isShifted + } else { + false + } + val isCapsOn: Boolean + /** + * 返回鍵盤是否爲大寫狀態 + * + * @return true 如果大寫 + */ + get() = if (mKeyboard != null && mKeyboard!!.getmShiftKey() != null) mKeyboard!!.getmShiftKey()!!.isOn else false + val isShiftOn: Boolean + get() = if (mKeyboard != null && mKeyboard!!.getmShiftKey() != null) mKeyboard!!.getmShiftKey()!!.isOn else false + val isAltOn: Boolean + get() = if (mKeyboard != null && mKeyboard!!.getmAltKey() != null) mKeyboard!!.getmAltKey()!!.isOn else false + val isSysOn: Boolean + get() = if (mKeyboard != null && mKeyboard!!.getmSymKey() != null) mKeyboard!!.getmSymKey()!!.isOn else false + val isCtrlOn: Boolean + get() = if (mKeyboard != null && mKeyboard!!.getmCtrlKey() != null) mKeyboard!!.getmCtrlKey()!!.isOn else false + val isMetaOn: Boolean + get() = if (mKeyboard != null && mKeyboard!!.getmMetaKey() != null) mKeyboard!!.getmMetaKey()!!.isOn else false + + // public void setVerticalCorrection(int verticalOffset) {} + + private fun setPopupOffset( + x: Int, + y: Int, + ) { + mMiniKeyboardOffsetX = x + mMiniKeyboardOffsetY = y + if (mPreviewPopup.isShowing) { + mPreviewPopup.dismiss() + } + } + + /** + * 關閉彈出鍵盤 + * + * @param v 鍵盤視圖 + */ + override fun onClick(v: View) { + dismissPopupKeyboard() + } + + public override fun onMeasure( + widthMeasureSpec: Int, + heightMeasureSpec: Int, + ) { + // Round up a little + if (mKeyboard == null) { + setMeasuredDimension( + paddingLeft + paddingRight, + paddingTop + paddingBottom, + ) + } else { + var width = mKeyboard!!.minWidth + paddingLeft + paddingRight + if (MeasureSpec.getSize(widthMeasureSpec) < width + 10) { + width = MeasureSpec.getSize(widthMeasureSpec) + } + setMeasuredDimension(width, mKeyboard!!.height + paddingTop + paddingBottom) + } + } + + /** + * 計算水平和豎直方向的相鄰按鍵中心的平均距離的平方，這樣不需要做開方運算 + * + * @param keyboard 鍵盤 + */ + private fun computeProximityThreshold(keyboard: Keyboard?) { + if (keyboard == null) return + val keys = mKeys ?: return + val length = keys.size + var dimensionSum = 0 + for (key in keys) { + dimensionSum += Math.min(key.width, key.height) + key.gap + } + if (dimensionSum < 0 || length == 0) return + mProximityThreshold = (dimensionSum * Keyboard.SEARCH_DISTANCE / length).toInt() + mProximityThreshold *= mProximityThreshold // Square it + } + + public override fun onSizeChanged( + w: Int, + h: Int, + oldw: Int, + oldh: Int, + ) { + super.onSizeChanged(w, h, oldw, oldh) + // if (mKeyboard != null) { + // mKeyboard.resize(w, h); + // } + // Release the buffer, if any and it will be reallocated on the next draw + mBuffer = null + } + + public override fun onDraw(canvas: Canvas) { + super.onDraw(canvas) + if (mDrawPending || mBuffer == null || mKeyboardChanged) { + onBufferDraw() + } + canvas.drawBitmap(mBuffer!!, 0f, 0f, null) + } + + private fun onBufferDraw() { + if (mBuffer == null || mKeyboardChanged) { + if (mBuffer == null || + mKeyboardChanged && + (mBuffer!!.width != width || mBuffer!!.height != height) + ) { + // Make sure our bitmap is at least 1x1 + val width = Math.max(1, width) + val height = Math.max(1, height) + mBuffer = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888) + mCanvas = Canvas(mBuffer!!) + } + invalidateAllKeys() + mKeyboardChanged = false + } + if (mKeyboard == null) return + mCanvas!!.save() + val canvas = mCanvas + canvas!!.clipRect(mDirtyRect) + val paint = mPaint + var keyBackground: Drawable? + val clipRegion = mClipRegion + val padding = mPadding + val kbdPaddingLeft = paddingLeft + val kbdPaddingTop = paddingTop + val keys = mKeys + val invalidKey = mInvalidatedKey + var drawSingleKey = false + if (invalidKey != null && canvas.getClipBounds(clipRegion)) { + // Is clipRegion completely contained within the invalidated key? + if (invalidKey.x + kbdPaddingLeft - 1 <= clipRegion.left && + invalidKey.y + kbdPaddingTop - 1 <= clipRegion.top && + invalidKey.x + invalidKey.width + kbdPaddingLeft + 1 >= clipRegion.right && + invalidKey.y + invalidKey.height + kbdPaddingTop + 1 >= clipRegion.bottom + ) { + drawSingleKey = true + } + } + canvas.drawColor(0x00000000, PorterDuff.Mode.CLEAR) + val keyCount = keys!!.size + val symbolBase = padding.top - mPaintSymbol.fontMetrics.top + val hintBase = -padding.bottom - mPaintSymbol.fontMetrics.bottom + Timber.i( + "onBufferDraw() keyCount=%d, drawSingleKey=%s, invalidKeyIsNull=%s", + keyCount, + drawSingleKey, + invalidKey == null, + ) + mKeyboard!!.printModifierKeyState("onBufferDraw, drawSingleKey=$drawSingleKey") + for (key in keys) { + if (drawSingleKey && invalidKey != key) { + continue + } + val drawableState = key.currentDrawableState + keyBackground = key.getBackColorForState(drawableState) + if (keyBackground == null) { + Timber.d("onBufferDraw() keyBackground==null, key=%s", key.getLabel()) + try { + val index = findStateDrawableIndex!!.invoke(mKeyBackColor, *arrayOf(drawableState)) as Int + keyBackground = getStateDrawable!!.invoke(mKeyBackColor, index) as Drawable + } catch (ex: Exception) { + Timber.e(ex, "Get Drawable Exception") + } + } + if (keyBackground is GradientDrawable) { + keyBackground.cornerRadius = + ( + if (key.round_corner != null && key.round_corner!! > 0) { + key.round_corner + } else { + mKeyboard!!.roundCorner + } + )!! + } + var color = key.getTextColorForState(drawableState) + mPaint.color = color + ?: mKeyTextColor!!.getColorForState(drawableState, 0) + color = key.getSymbolColorForState(drawableState) + mPaintSymbol.color = color + ?: if (key.isPressed) hilited_key_symbol_color else key_symbol_color + + // Switch the character to uppercase if shift is pressed + var label = key.getLabel() + if (label == "enter_labels") label = labelEnter + val hint = key.hint + val left = (key.width - padding.left - padding.right) / 2 + padding.left + val top = padding.top + val bounds = keyBackground?.bounds + if (key.width != bounds?.right || key.height != bounds.bottom) { + keyBackground?.setBounds(0, 0, key.width, key.height) + } + canvas.translate((key.x + kbdPaddingLeft).toFloat(), (key.y + kbdPaddingTop).toFloat()) + keyBackground?.draw(canvas) + if (!TextUtils.isEmpty(label)) { + // For characters, use large font. For labels like "Done", use small font. + if (key.key_text_size != null && key.key_text_size!! > 0) { + paint.textSize = key.key_text_size!!.toFloat() + } else { + paint.textSize = (if (label!!.length > 1) mLabelTextSize else mKeyTextSize).toFloat() + } + // Draw a drop shadow for the text + paint.setShadowLayer(mShadowRadius, 0f, 0f, mShadowColor) + // Draw the text + canvas.drawText( + label!!, + ( + left + key.key_text_offset_x + ).toFloat(), + (key.height - padding.top - padding.bottom) / 2f + (paint.textSize - paint.descent()) / 2f + top + + key.key_text_offset_y, + paint, + ) + if (mShowSymbol) { + val labelSymbol = key.symbolLabel + if (!TextUtils.isEmpty(labelSymbol)) { + mPaintSymbol.textSize = + ( + if (key.symbol_text_size != null && key.symbol_text_size!! > 0) key.symbol_text_size else mSymbolSize + )!!.toFloat() + mPaintSymbol.setShadowLayer(mShadowRadius, 0f, 0f, mShadowColor) + canvas.drawText( + labelSymbol!!, + ( + left + key.key_symbol_offset_x + ).toFloat(), + symbolBase + key.key_symbol_offset_y, + mPaintSymbol, + ) + } + } + if (mShowHint) { + if (!TextUtils.isEmpty(hint)) { + mPaintSymbol.setShadowLayer(mShadowRadius, 0f, 0f, mShadowColor) + canvas.drawText( + hint!!, + ( + left + key.key_hint_offset_x + ).toFloat(), + key.height + hintBase + key.key_hint_offset_y, + mPaintSymbol, + ) + } + } + + // Turn off drop shadow + paint.setShadowLayer(0f, 0f, 0f, 0) + } + canvas.translate((-key.x - kbdPaddingLeft).toFloat(), (-key.y - kbdPaddingTop).toFloat()) + // break; + } + mInvalidatedKey = null + // Overlay a dark rectangle to dim the keyboard + if (mMiniKeyboardOnScreen) { + paint.color = (mBackgroundDimAmount * 0xFF).toInt() shl 24 + canvas.drawRect(0f, 0f, width.toFloat(), height.toFloat(), paint) + } + val mShowTouchPoints = true + if (DEBUG && mShowTouchPoints) { + paint.alpha = 128 + paint.color = -0x10000 + canvas.drawCircle(mStartX.toFloat(), mStartY.toFloat(), 3f, paint) + canvas.drawLine(mStartX.toFloat(), mStartY.toFloat(), mLastX.toFloat(), mLastY.toFloat(), paint) + paint.color = -0xffff01 + canvas.drawCircle(mLastX.toFloat(), mLastY.toFloat(), 3f, paint) + paint.color = -0xff0100 + canvas.drawCircle((mStartX + mLastX) / 2f, (mStartY + mLastY) / 2f, 2f, paint) + } + mCanvas!!.restore() + mDrawPending = false + mDirtyRect.setEmpty() + } + + private fun getKeyIndices( + x: Int, + y: Int, + allKeys: IntArray?, + ): Int { + val keys = mKeys + var primaryIndex = NOT_A_KEY + var closestKey = NOT_A_KEY + var closestKeyDist = mProximityThreshold + 1 + Arrays.fill(mDistances, Int.MAX_VALUE) + val nearestKeyIndices = mKeyboard!!.getNearestKeys(x, y) + for (nearestKeyIndex in nearestKeyIndices!!) { + val key = keys!![nearestKeyIndex] + var dist = 0 + val isInside = key.isInside(x, y) + if (isInside) { + primaryIndex = nearestKeyIndex + } + if (enableProximityCorrection && key.squaredDistanceFrom(x, y).also { dist = it } < mProximityThreshold || + isInside + ) { + // Find insertion point + val nCodes = 1 + if (dist < closestKeyDist) { + closestKeyDist = dist + closestKey = nearestKeyIndex + } + if (allKeys == null) continue + for (j in mDistances.indices) { + if (mDistances[j] > dist) { + // Make space for nCodes codes + System.arraycopy(mDistances, j, mDistances, j + nCodes, mDistances.size - j - nCodes) + System.arraycopy(allKeys, j, allKeys, j + nCodes, allKeys.size - j - nCodes) + allKeys[j] = key.code + mDistances[j] = dist + break + } + } + } + } + if (primaryIndex == NOT_A_KEY) { + primaryIndex = closestKey + } + return primaryIndex + } + + private fun releaseKey(code: Int) { + Timber.d( + "\t\treleaseKey() key=%d, mComboCount=%d, mComboMode=%s", + code, + mComboCount, + mComboMode, + ) + if (mComboMode) { + if (mComboCount > 9) mComboCount = 9 + mComboCodes[mComboCount++] = code + } else { + onKeyboardActionListener!!.onRelease(code) + if (mComboCount > 0) { + for (i in 0 until mComboCount) { + onKeyboardActionListener!!.onRelease(mComboCodes[i]) + } + mComboCount = 0 + } + } + Timber.d("\t\treleaseKey() finish") + } + + private fun detectAndSendKey( + index: Int, + x: Int, + y: Int, + eventTime: Long, + type: KeyEventType = KeyEventType.CLICK, + ) { + Timber.d( + "\t\tdetectAndSendKey()\tindex=%d, x=%d, y=%d, type=%d, mKeys.length=%d", + index, + x, + y, + type.ordinal, + mKeys!!.size, + ) + if (index != NOT_A_KEY && index < mKeys!!.size) { + val key = mKeys!![index] + if (isTrimeModifierKey(key.code) && !key.sendBindings(type.ordinal)) { + Timber.d( + "\t\tdetectAndSendKey()\tModifierKey, key.getEvent, KeyLabel=%s", + key.getLabel(), + ) + setModifier(key) + } else { + if (key.click!!.isRepeatable) { + if (type.ordinal > KeyEventType.CLICK.ordinal) mAbortKey = true + if (!key.hasEvent(type.ordinal)) return + } + val code = key.getCode(type.ordinal) + // TextEntryState.keyPressedAt(key, x, y); + val codes = IntArray(MAX_NEARBY_KEYS) + Arrays.fill(codes, NOT_A_KEY) + // getKeyIndices(x, y, codes); // 这里实际上并没有生效 + Timber.d("\t\tdetectAndSendKey()\tonEvent, code=%d, key.getEvent", code) + // 可以在这里把 mKeyboard.getModifer() 获取的修饰键状态写入event里 + onKeyboardActionListener!!.onEvent(key.getEvent(type.ordinal)) + releaseKey(code) + Timber.d("\t\tdetectAndSendKey()\trefreshModifier") + refreshModifier() + } + mLastSentIndex = index + mLastTapTime = eventTime + Timber.d("\t\tdetectAndSendKey()\tfinish") + } + } + + private fun showPreview( + keyIndex: Int, + type: Int = 0, + ) { + val oldKeyIndex = mCurrentKeyIndex + val previewPopup = mPreviewPopup + mCurrentKeyIndex = keyIndex + // Release the old key and press the new key + val keys = mKeys + if (oldKeyIndex != mCurrentKeyIndex) { + if (oldKeyIndex != NOT_A_KEY && keys!!.size > oldKeyIndex) { + val oldKey = keys[oldKeyIndex] + oldKey.onReleased(mCurrentKeyIndex == NOT_A_KEY) + invalidateKey(oldKeyIndex) + } + if (mCurrentKeyIndex != NOT_A_KEY && keys!!.size > mCurrentKeyIndex) { + val newKey = keys[mCurrentKeyIndex] + newKey.onPressed() + invalidateKey(mCurrentKeyIndex) + } + } + // If key changed and preview is on ... + if (oldKeyIndex != mCurrentKeyIndex && showPreview) { + mHandler.removeMessages(MSG_SHOW_PREVIEW) + if (previewPopup.isShowing) { + if (keyIndex == NOT_A_KEY) { + mHandler.sendMessageDelayed( + mHandler.obtainMessage(MSG_REMOVE_PREVIEW), + DELAY_AFTER_PREVIEW.toLong(), + ) + } + } + if (keyIndex != NOT_A_KEY) { + if (previewPopup.isShowing && mPreviewText.visibility == VISIBLE) { + // Show right away, if it's already visible and finger is moving around + showKey(keyIndex, type) + } else { + mHandler.sendMessageDelayed( + mHandler.obtainMessage(MSG_SHOW_PREVIEW, keyIndex, type), + DELAY_BEFORE_PREVIEW.toLong(), + ) + } + } + } + } + + private fun showKey( + keyIndex: Int, + type: Int, + ) { + val previewPopup = mPreviewPopup + val keys = mKeys + if (keyIndex < 0 || keyIndex >= mKeys!!.size) return + val key = keys!![keyIndex] + mPreviewText.setCompoundDrawables(null, null, null, null) + mPreviewText.text = key.getPreviewText(type) + mPreviewText.measure( + MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), + MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), + ) + val popupWidth = + Math.max( + mPreviewText.measuredWidth, + key.width + mPreviewText.paddingLeft + mPreviewText.paddingRight, + ) + val popupHeight = mPreviewHeight + val lp = mPreviewText.layoutParams + if (lp != null) { + lp.width = popupWidth + lp.height = popupHeight + } + var mPopupPreviewY: Int + var mPopupPreviewX: Int + val mPreviewCentered = false + if (!mPreviewCentered) { + mPopupPreviewX = key.x - mPreviewText.paddingLeft + paddingLeft + mPopupPreviewY = key.y - popupHeight + mPreviewOffset + } else { + // TODO: Fix this if centering is brought back + mPopupPreviewX = 160 - mPreviewText.measuredWidth / 2 + mPopupPreviewY = -mPreviewText.measuredHeight + } + mHandler.removeMessages(MSG_REMOVE_PREVIEW) + getLocationInWindow(mCoordinates) + mCoordinates[0] += mMiniKeyboardOffsetX // Offset may be zero + mCoordinates[1] += mMiniKeyboardOffsetY // Offset may be zero + + // Set the preview background state + mPreviewText + .background + .setState(if (key.popupResId != 0) LONG_PRESSABLE_STATE_SET else EMPTY_STATE_SET) + mPopupPreviewX += mCoordinates[0] + mPopupPreviewY += mCoordinates[1] + + // If the popup cannot be shown above the key, put it on the side + getLocationOnScreen(mCoordinates) + if (mPopupPreviewY + mCoordinates[1] < 0) { + // If the key you're pressing is on the left side of the keyboard, show the popup on + // the right, offset by enough to see at least one key to the left/right. + if (key.x + key.width <= width / 2) { + mPopupPreviewX += (key.width * 2.5).toInt() + } else { + mPopupPreviewX -= (key.width * 2.5).toInt() + } + mPopupPreviewY += popupHeight + } + if (previewPopup.isShowing) { + // previewPopup.update(mPopupPreviewX, mPopupPreviewY, popupWidth, popupHeight); + previewPopup.dismiss() // 禁止窗口動畫 + } + previewPopup.width = popupWidth + previewPopup.height = popupHeight + previewPopup.showAtLocation(mPopupParent, Gravity.NO_GRAVITY, mPopupPreviewX, mPopupPreviewY) + mPreviewText.visibility = VISIBLE + } + + /** + * Requests a redraw of the entire keyboard. Calling [.invalidate] is not sufficient because + * the keyboard renders the keys to an off-screen buffer and an invalidate() only draws the cached + * buffer. + * + * @see .invalidateKey + */ + fun invalidateAllKeys() { + Timber.d("\t\tinvalidateAllKeys()") + mDirtyRect.union(0, 0, width, height) + mDrawPending = true + invalidate() + } + + /** + * Invalidates a key so that it will be redrawn on the next repaint. Use this method if only one + * key is changing it's content. Any changes that affect the position or size of the key may not + * be honored. + * + * @param keyIndex the index of the key in the attached [Keyboard]. + * @see .invalidateAllKeys + */ + private fun invalidateKey(keyIndex: Int) { + Timber.d( + "\t\tinvalidateKey()\tkeyIndex=%d, mKeysExist=%s", + keyIndex, + mKeys != null, + ) + if (mKeys == null) return + if (keyIndex < 0 || keyIndex >= mKeys!!.size) { + return + } + val key = mKeys!![keyIndex] + mInvalidatedKey = key + mDirtyRect.union( + key.x + paddingLeft, + key.y + paddingTop, + key.x + key.width + paddingLeft, + key.y + key.height + paddingTop, + ) + onBufferDraw() + Timber.d("\t\tinvalidateKey()\tinvalidate") + invalidate( + key.x + paddingLeft, + key.y + paddingTop, + key.x + key.width + paddingLeft, + key.y + key.height + paddingTop, + ) + Timber.d("\t\tinvalidateKey()\tfinish") + } + + private fun invalidateKeys(keys: List?) { + if (keys.isNullOrEmpty()) return + for (key in keys) { + mDirtyRect.union( + key.x + paddingLeft, + key.y + paddingTop, + key.x + key.width + paddingLeft, + key.y + key.height + paddingTop, + ) + } + onBufferDraw() + invalidate() + } + + fun invalidateComposingKeys() { + if (mKeyboard != null) { + val keys: List = mKeyboard!!.composingKeys + if (keys != null && keys.size > 5) invalidateAllKeys() else invalidateKeys(keys) + } else { + Timber.e("invalidateComposingKeys() mKeyboard==null") + } + } + + private fun openPopupIfRequired(me: MotionEvent): Boolean { + // Check if we have a popup layout specified first. + if (mPopupLayout == 0) { + return false + } + if (mCurrentKey < 0 || mCurrentKey >= mKeys!!.size) { + return false + } + showPreview(NOT_A_KEY) + showPreview(mCurrentKey, KeyEventType.LONG_CLICK.ordinal) + val popupKey = mKeys!![mCurrentKey] + val result = onLongPress(popupKey) + if (result) { + mAbortKey = true + showPreview(NOT_A_KEY) + } + return result + } + + /** + * Called when a key is long pressed. By default this will open any popup keyboard associated with + * this key through the attributes popupLayout and popupCharacters. + * + * @param popupKey the key that was long pressed + * @return true if the long press is handled, false otherwise. Subclasses should call the method + * on the base class if the subclass doesn't wish to handle the call. + */ + private fun onLongPress(popupKey: Key): Boolean { + val popupKeyboardId = popupKey.popupResId + if (popupKeyboardId == 0) { + if (popupKey.longClick != null) { + removeMessages() + mAbortKey = true + val e = popupKey.longClick + onKeyboardActionListener!!.onEvent(e) + releaseKey(e!!.code) + resetModifer() + return true + } + Timber.w("only set isShifted, no others modifierkey") + if (popupKey.isShift && !popupKey.sendBindings(KeyEventType.LONG_CLICK.ordinal)) { + // todo 其他修饰键 + setShifted(!popupKey.isOn, !popupKey.isOn) + return true + } + return false + } + + var mMiniKeyboardContainer = mMiniKeyboardCache[popupKey] + val mMiniKeyboard: KeyboardView + if (mMiniKeyboardContainer == null) { + mMiniKeyboardContainer = this.layoutInflater.inflate(mPopupLayout, null) + mMiniKeyboard = mMiniKeyboardContainer.findViewById(android.R.id.keyboardView) + val closeButton = mMiniKeyboardContainer.findViewById(android.R.id.closeButton) + closeButton?.setOnClickListener(this) + mMiniKeyboard.onKeyboardActionListener = + object : OnKeyboardActionListener { + override fun onEvent(event: Event?) { + onKeyboardActionListener!!.onEvent(event) + dismissPopupKeyboard() + } + + override fun onKey( + primaryCode: Int, + mask: Int, + ) { + onKeyboardActionListener!!.onKey(primaryCode, mask) + dismissPopupKeyboard() + } + + override fun onText(text: CharSequence?) { + onKeyboardActionListener!!.onText(text) + dismissPopupKeyboard() + } + + override fun onPress(primaryCode: Int) { + Timber.d("\t\tonLongPress() onPress key=$primaryCode") + onKeyboardActionListener!!.onPress(primaryCode) + } + + override fun onRelease(primaryCode: Int) { + onKeyboardActionListener!!.onRelease(primaryCode) + } + } + // mInputView.setSuggest(mSuggest); + val keyboard = + if (popupKey.popupCharacters != null) { + Keyboard(popupKey.popupCharacters, -1, paddingLeft + paddingRight) + } else { + Keyboard() + } + mMiniKeyboard.keyboard = keyboard + mMiniKeyboard.mPopupParent = this + mMiniKeyboardContainer.measure( + MeasureSpec.makeMeasureSpec(width, MeasureSpec.AT_MOST), + MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST), + ) + mMiniKeyboardCache[popupKey] = mMiniKeyboardContainer + } else { + mMiniKeyboard = mMiniKeyboardContainer.findViewById(android.R.id.keyboardView) + } + getLocationInWindow(mCoordinates) + var mPopupX = popupKey.x + paddingLeft + var mPopupY = popupKey.y + paddingTop + mPopupX = mPopupX + popupKey.width - mMiniKeyboardContainer!!.measuredWidth + mPopupY = mPopupY - mMiniKeyboardContainer.measuredHeight + val x = mPopupX + mMiniKeyboardContainer.paddingRight + mCoordinates[0] + val y = mPopupY + mMiniKeyboardContainer.paddingBottom + mCoordinates[1] + mMiniKeyboard.setPopupOffset(Math.max(x, 0), y) + + // todo 只处理了shift + Timber.w("only set isShifted, no others modifierkey") + mMiniKeyboard.setShifted(false, isShifted) + mPopupKeyboard.contentView = mMiniKeyboardContainer + mPopupKeyboard.width = mMiniKeyboardContainer.measuredWidth + mPopupKeyboard.height = mMiniKeyboardContainer.measuredHeight + mPopupKeyboard.showAtLocation(this, Gravity.NO_GRAVITY, x, y) + mMiniKeyboardOnScreen = true + // mMiniKeyboard.onTouchEvent(getTranslatedEvent(me)); + invalidateAllKeys() + return true + } + + /* + @Override + public boolean onHoverEvent(MotionEvent event) { + if (mAccessibilityManager.isTouchExplorationEnabled() && event.getPointerCount() == 1) { + final int action = event.getAction(); + switch (action) { + case MotionEvent.ACTION_HOVER_ENTER: { + event.setAction(MotionEvent.ACTION_DOWN); + } break; + case MotionEvent.ACTION_HOVER_MOVE: { + event.setAction(MotionEvent.ACTION_MOVE); + } break; + case MotionEvent.ACTION_HOVER_EXIT: { + event.setAction(MotionEvent.ACTION_UP); + } break; + } + return onTouchEvent(event); + } + return true; + } + */ + override fun performClick(): Boolean { + return super.performClick() + } + + override fun onTouchEvent(me: MotionEvent): Boolean { + // Convert multi-pointer up/down events to single up/down events to + // deal with the typical multi-pointer behavior of two-thumb typing + val index = me.actionIndex + val pointerCount = me.pointerCount + val action = me.actionMasked + var result = false + val now = me.eventTime + mComboMode = false + if (action == MotionEvent.ACTION_DOWN || action == MotionEvent.ACTION_CANCEL) { + mComboCount = 0 + isFastInput = if (prefs.keyboard.hookFastInput) prefs.keyboard.swipeTimeHi > me.eventTime - mLastUpTime else false + } else if (pointerCount > 1 || action == MotionEvent.ACTION_POINTER_DOWN || action == MotionEvent.ACTION_POINTER_UP) { + mComboMode = true + } + if (action == MotionEvent.ACTION_UP) { + Timber.d("swipeDebug.onTouchEvent ?, action = ACTION_UP") + } + if (action == MotionEvent.ACTION_POINTER_UP || mOldPointerCount > 1 && action == MotionEvent.ACTION_UP) { + // 並擊鬆開前的虛擬按鍵事件 + val ev = + MotionEvent.obtain( + now, + now, + MotionEvent.ACTION_POINTER_DOWN, + me.getX(index), + me.getY(index), + me.metaState, + ) + result = onModifiedTouchEvent(ev, false) + ev.recycle() + Timber.d("\t\tonTouchEvent()\tactionUp done") + } + if (action == MotionEvent.ACTION_POINTER_DOWN) { + // 並擊中的按鍵事件，需要按鍵提示 + val ev = + MotionEvent.obtain( + now, + now, + MotionEvent.ACTION_DOWN, + me.getX(index), + me.getY(index), + me.metaState, + ) + result = onModifiedTouchEvent(ev, false) + ev.recycle() + Timber.d("\t\tonModifiedTouchEvent()\tactionDown done") + } else { + Timber.d("\t\tonModifiedTouchEvent()\tonModifiedTouchEvent") + result = onModifiedTouchEvent(me, false) + Timber.d("\t\tonModifiedTouchEvent()\tnot actionDown done") + } + if (action != MotionEvent.ACTION_MOVE) mOldPointerCount = pointerCount + performClick() + return result + } + + private fun onModifiedTouchEvent( + me: MotionEvent, + possiblePoly: Boolean, + ): Boolean { + // final int pointerCount = me.getPointerCount(); + val index = me.actionIndex + var touchX = me.getX(index).toInt() - paddingLeft + var touchY = me.getY(index).toInt() - paddingTop + if (touchY >= -mVerticalCorrection) touchY += mVerticalCorrection + val action = me.actionMasked + val eventTime = me.eventTime + val keyIndex = getKeyIndices(touchX, touchY, null) + mPossiblePoly = possiblePoly + + // Track the last few movements to look for spurious swipes. + if (action == MotionEvent.ACTION_DOWN) mSwipeTracker.clear() + mSwipeTracker.addMovement(me) + if (action == MotionEvent.ACTION_CANCEL) { + Timber.d("swipeDebug.onModifiedTouchEvent before gesture, action = cancel") + } else if (action == MotionEvent.ACTION_UP) { + Timber.d("swipeDebug.onModifiedTouchEvent before gesture, action = UP") + } else { + Timber.d("swipeDebug.onModifiedTouchEvent before gesture, action != UP") + } + + // Ignore all motion events until a DOWN. + if (mAbortKey && action != MotionEvent.ACTION_DOWN && action != MotionEvent.ACTION_CANCEL) { + return true + } + + // 优先判定是否触发了滑动手势 + if (prefs.keyboard.swipeEnabled) { + if (mGestureDetector!!.onTouchEvent(me)) { + showPreview(NOT_A_KEY) + mHandler.removeMessages(MSG_REPEAT) + mHandler.removeMessages(MSG_LONGPRESS) + return true + } + } + + // Needs to be called after the gesture detector gets a turn, as it may have + // displayed the mini keyboard + if (mMiniKeyboardOnScreen && action != MotionEvent.ACTION_CANCEL) { + return true + } + + fun modifiedPointerDown() { + mAbortKey = false + mStartX = touchX + mStartY = touchY + mLastCodeX = touchX + mLastCodeY = touchY + mLastKeyTime = 0 + mCurrentKeyTime = 0 + mLastKey = NOT_A_KEY + mCurrentKey = keyIndex + mDownKey = keyIndex + mDownTime = me.eventTime + mLastMoveTime = mDownTime + touchOnePoint = false + if (action == MotionEvent.ACTION_POINTER_DOWN) return // 並擊鬆開前的虛擬按鍵事件 + checkMultiTap(eventTime, keyIndex) + onKeyboardActionListener!!.onPress(if (keyIndex != NOT_A_KEY) mKeys!![keyIndex].code else 0) + if (mCurrentKey >= 0 && mKeys!![mCurrentKey].click!!.isRepeatable) { + mRepeatKeyIndex = mCurrentKey + val msg = mHandler.obtainMessage(MSG_REPEAT) + val repeatStartDelay = prefs.keyboard.longPressTimeout + 1 + mHandler.sendMessageDelayed(msg, repeatStartDelay.toLong()) + // Delivering the key could have caused an abort + if (mAbortKey) { + mRepeatKeyIndex = NOT_A_KEY + return + } + } + if (mCurrentKey != NOT_A_KEY) { + val msg = mHandler.obtainMessage(MSG_LONGPRESS, me) + mHandler.sendMessageDelayed(msg, prefs.keyboard.longPressTimeout.toLong()) + } + showPreview(keyIndex, 0) + } + + /** + * @return 跳出外层函数 + */ + fun modifiedPointerUp(): Boolean { + removeMessages() + mLastUpTime = eventTime + if (keyIndex == mCurrentKey) { + mCurrentKeyTime += eventTime - mLastMoveTime + } else { + resetMultiTap() + mLastKey = mCurrentKey + mLastKeyTime = mCurrentKeyTime + eventTime - mLastMoveTime + mCurrentKey = keyIndex + mCurrentKeyTime = 0 + } + if (prefs.keyboard.swipeEnabled) { + val dx = touchX - touchX0 + val dy = touchY - touchY0 + val absX = Math.abs(dx) + val absY = Math.abs(dy) + val travel = if (isFastInput && isClickAtLast) prefs.keyboard.swipeTravelHi else prefs.keyboard.swipeTravel + if (Math.max(absY, absX) > travel && touchOnePoint) { + Timber.d("\t\tonModifiedTouchEvent()\ttouch") + var type = KeyEventType.CLICK + type = + if (absX < absY) { + Timber.d("swipeDebug.ext y, dX=%d, dY=%d", dx, dy) + if (dy > travel) KeyEventType.SWIPE_DOWN else KeyEventType.SWIPE_UP + } else { + Timber.d("swipeDebug.ext x, dX=%d, dY=%d", dx, dy) + if (dx > travel) KeyEventType.SWIPE_RIGHT else KeyEventType.SWIPE_LEFT + } + showPreview(NOT_A_KEY) + mHandler.removeMessages(MSG_REPEAT) + mHandler.removeMessages(MSG_LONGPRESS) + detectAndSendKey(mDownKey, mStartX, mStartY, me.eventTime, type) + isClickAtLast = false + return true + } else { + Timber.d("swipeDebug.ext fail, dX=%d, dY=%d", dx, dy) + } + } + if (mCurrentKeyTime < mLastKeyTime && mCurrentKeyTime < DEBOUNCE_TIME && mLastKey != NOT_A_KEY) { + mCurrentKey = mLastKey + touchX = mLastCodeX + touchY = mLastCodeY + } + showPreview(NOT_A_KEY) + Arrays.fill(mKeyIndices, NOT_A_KEY) + if (mRepeatKeyIndex != NOT_A_KEY && !mAbortKey) repeatKey() + if (mRepeatKeyIndex == NOT_A_KEY && !mMiniKeyboardOnScreen && !mAbortKey) { + Timber.d("\t\tonModifiedTouchEvent()\tdetectAndSendKey") + detectAndSendKey( + mCurrentKey, + touchX, + touchY, + eventTime, + if (mOldPointerCount > 1 || mComboMode) KeyEventType.COMBO else KeyEventType.CLICK, + ) + isClickAtLast = true + } + Timber.d("\t\tonModifiedTouchEvent()\tdetectAndSendKey finish") + invalidateKey(keyIndex) + mRepeatKeyIndex = NOT_A_KEY + return false + } + + when (action) { + MotionEvent.ACTION_DOWN -> { + touchX0 = touchX + touchY0 = touchY + touchOnePoint = true + modifiedPointerDown() + } + + MotionEvent.ACTION_POINTER_DOWN -> { + modifiedPointerDown() + } + + MotionEvent.ACTION_MOVE -> { + var continueLongPress = false + if (keyIndex != NOT_A_KEY) { + if (mCurrentKey == NOT_A_KEY) { + mCurrentKey = keyIndex + mCurrentKeyTime = eventTime - mDownTime + } else { + if (keyIndex == mCurrentKey) { + mCurrentKeyTime += eventTime - mLastMoveTime + continueLongPress = true + } else if (mRepeatKeyIndex == NOT_A_KEY) { + resetMultiTap() + mLastKey = mCurrentKey + mLastCodeX = mLastX + mLastCodeY = mLastY + mLastKeyTime = mCurrentKeyTime + eventTime - mLastMoveTime + mCurrentKey = keyIndex + mCurrentKeyTime = 0 + } + } + } + if (!mComboMode && !continueLongPress) { + // Cancel old long press + mHandler.removeMessages(MSG_LONGPRESS) + // Start new long press if key has changed + if (keyIndex != NOT_A_KEY) { + val msg = mHandler.obtainMessage(MSG_LONGPRESS, me) + mHandler.sendMessageDelayed(msg, prefs.keyboard.longPressTimeout.toLong()) + } + } + showPreview(mCurrentKey) + mLastMoveTime = eventTime + } + + MotionEvent.ACTION_UP -> { + Timber.d( + "swipeDebug.onModifiedTouchEvent mGestureDetector.onTouchEvent(me) = fall & action_up", + ) + val breakout = modifiedPointerUp() + if (breakout) return true + } + + MotionEvent.ACTION_POINTER_UP -> { + val breakout = modifiedPointerUp() + if (breakout) return true + } + + MotionEvent.ACTION_CANCEL -> { + removeMessages() + dismissPopupKeyboard() + mAbortKey = true + showPreview(NOT_A_KEY) + invalidateKey(mCurrentKey) + } + } + mLastX = touchX + mLastY = touchY + return true + } + + private fun repeatKey(): Boolean { + Timber.d("\t\trepeatKey()") + val key = mKeys!![mRepeatKeyIndex] + detectAndSendKey(mCurrentKey, key.x, key.y, mLastTapTime) + return true + } + + fun closing() { + if (mPreviewPopup.isShowing) { + mPreviewPopup.dismiss() + } + removeMessages() + dismissPopupKeyboard() + mBuffer = null + mCanvas = null + mMiniKeyboardCache.clear() + } + + private fun removeMessages() { + mHandler.removeMessages(MSG_REPEAT) + mHandler.removeMessages(MSG_LONGPRESS) + mHandler.removeMessages(MSG_SHOW_PREVIEW) + } + + public override fun onDetachedFromWindow() { + super.onDetachedFromWindow() + closing() + } + + private fun dismissPopupKeyboard() { + if (mPopupKeyboard.isShowing) { + mPopupKeyboard.dismiss() + mMiniKeyboardOnScreen = false + invalidateAllKeys() + } + } + + fun handleBack(): Boolean { + if (mPopupKeyboard.isShowing) { + dismissPopupKeyboard() + return true + } + return false + } + + private fun resetMultiTap() { + mLastSentIndex = NOT_A_KEY + // final int mTapCount = 0; + mLastTapTime = -1 + // final boolean mInMultiTap = false; + } + + private fun checkMultiTap( + eventTime: Long, + keyIndex: Int, + ) { + if (keyIndex == NOT_A_KEY) return + // final Key key = mKeys[keyIndex]; + val multiTabInterval = prefs.keyboard.longPressTimeout + if (eventTime > mLastTapTime + multiTabInterval || keyIndex != mLastSentIndex) { + resetMultiTap() + } + } + + /** 識別滑動手勢 */ + private class SwipeTracker { + val mPastX = FloatArray(NUM_PAST) + val mPastY = FloatArray(NUM_PAST) + val mPastTime = LongArray(NUM_PAST) + var yVelocity = 0f + var xVelocity = 0f + + fun clear() { + mPastTime[0] = 0 + } + + fun addMovement(ev: MotionEvent) { + val time = ev.eventTime + val N = ev.historySize + for (i in 0 until N) { + addPoint(ev.getHistoricalX(i), ev.getHistoricalY(i), ev.getHistoricalEventTime(i)) + } + addPoint(ev.x, ev.y, time) + } + + private fun addPoint( + x: Float, + y: Float, + time: Long, + ) { + var drop = -1 + val pastTime = mPastTime + var i = 0 + while (i < NUM_PAST) { + if (pastTime[i] == 0L) { + break + } else if (pastTime[i] < time - LONGEST_PAST_TIME) { + drop = i + } + i++ + } + if (i == NUM_PAST && drop < 0) { + drop = 0 + } + if (drop == i) drop-- + val pastX = mPastX + val pastY = mPastY + if (drop >= 0) { + val start = drop + 1 + val count = NUM_PAST - drop - 1 + System.arraycopy(pastX, start, pastX, 0, count) + System.arraycopy(pastY, start, pastY, 0, count) + System.arraycopy(pastTime, start, pastTime, 0, count) + i -= drop + 1 + } + pastX[i] = x + pastY[i] = y + pastTime[i] = time + i++ + if (i < NUM_PAST) { + pastTime[i] = 0 + } + } + + @JvmOverloads + fun computeCurrentVelocity( + units: Int, + maxVelocity: Float = Float.MAX_VALUE, + ) { + val pastX = mPastX + val pastY = mPastY + val pastTime = mPastTime + val oldestX = pastX[0] + val oldestY = pastY[0] + val oldestTime = pastTime[0] + var accumX = 0f + var accumY = 0f + var N = 0 + while (N < NUM_PAST) { + if (pastTime[N] == 0L) { + break + } + N++ + } + for (i in 1 until N) { + val dur = (pastTime[i] - oldestTime).toInt() + if (dur == 0) continue + var dist = pastX[i] - oldestX + var vel = dist / dur * units // pixels/frame. + accumX = if (accumX == 0f) vel else (accumX + vel) * .5f + dist = pastY[i] - oldestY + vel = dist / dur * units // pixels/frame. + accumY = if (accumY == 0f) vel else (accumY + vel) * .5f + } + xVelocity = if (accumX < 0.0f) Math.max(accumX, -maxVelocity) else Math.min(accumX, maxVelocity) + yVelocity = if (accumY < 0.0f) Math.max(accumY, -maxVelocity) else Math.min(accumY, maxVelocity) + } + + companion object { + const val NUM_PAST = 4 + const val LONGEST_PAST_TIME = 200 + } + } + + companion object { + private const val DEBUG = false + private const val NOT_A_KEY = -1 + private val LONG_PRESSABLE_STATE_SET = intArrayOf(android.R.attr.state_long_pressable) + private const val MSG_SHOW_PREVIEW = 1 + private const val MSG_REMOVE_PREVIEW = 2 + private const val MSG_REPEAT = 3 + private const val MSG_LONGPRESS = 4 + private const val DELAY_BEFORE_PREVIEW = 0 + private const val DELAY_AFTER_PREVIEW = 70 + private const val DEBOUNCE_TIME = 70 + private const val MAX_NEARBY_KEYS = 12 + private val prefs: AppPrefs + get() = defaultInstance() + } +} diff --git a/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardWindow.kt b/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardWindow.kt index 7542225424..cb24e72a8a 100644 --- a/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardWindow.kt +++ b/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardWindow.kt @@ -20,7 +20,7 @@ class KeyboardWindow : KoinComponent { val oldMainInputView by lazy { MainInputLayoutBinding.inflate(LayoutInflater.from(context)).apply { with(mainKeyboardView) { - onKeyboardActionListener = service.textInputManager + setOnKeyboardActionListener(service.textInputManager) setShowHint(!Rime.getOption("_hide_key_hint")) setShowSymbol(!Rime.getOption("_hide_key_symbol")) reset()