89 lines
3.5 KiB
C++
89 lines
3.5 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LATINIME_PROXIMITY_INFO_H
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#define LATINIME_PROXIMITY_INFO_H
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#include <stdint.h>
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#include "defines.h"
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namespace latinime {
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class Correction;
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class ProximityInfo {
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public:
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typedef enum { // Used as a return value for character comparison
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SAME_OR_ACCENTED_OR_CAPITALIZED_CHAR, // Same char, possibly with different case or accent
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NEAR_PROXIMITY_CHAR, // It is a char located nearby on the keyboard
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UNRELATED_CHAR // It is an unrelated char
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} ProximityType;
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ProximityInfo(const int maxProximityCharsSize, const int keyboardWidth,
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const int keybaordHeight, const int gridWidth, const int gridHeight,
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const uint32_t *proximityCharsArray, const int keyCount, const int32_t *keyXCoordinates,
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const int32_t *keyYCoordinates, const int32_t *keyWidths, const int32_t *keyHeights,
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const int32_t *keyCharCodes, int themeId);
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~ProximityInfo();
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bool hasSpaceProximity(const int x, const int y) const;
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void setInputParams(const int* inputCodes, const int inputLength);
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const int* getProximityCharsAt(const int index) const;
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unsigned short getPrimaryCharAt(const int index) const;
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bool existsCharInProximityAt(const int index, const int c) const;
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bool existsAdjacentProximityChars(const int index) const;
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ProximityType getMatchedProximityId(
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const int index, const unsigned short c, const bool checkProximityChars) const;
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bool sameAsTyped(const unsigned short *word, int length) const;
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const unsigned short* getPrimaryInputWord() const {
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return mPrimaryInputWord;
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}
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private:
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// The max number of the keys in one keyboard layout
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static const int MAX_KEY_COUNT_IN_A_KEYBOARD = 64;
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// The upper limit of the char code in TOUCH_POSITION_CORRECTION_GROUP
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static const int MAX_GROUPED_CHAR_CODE = 127;
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int getStartIndexFromCoordinates(const int x, const int y) const;
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void initializeCodeToGroup();
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void initializeCodeToKeyIndex();
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const int MAX_PROXIMITY_CHARS_SIZE;
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const int KEYBOARD_WIDTH;
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const int KEYBOARD_HEIGHT;
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const int GRID_WIDTH;
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const int GRID_HEIGHT;
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const int CELL_WIDTH;
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const int CELL_HEIGHT;
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const int KEY_COUNT;
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const int THEME_ID;
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const int *mInputCodes;
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uint32_t *mProximityCharsArray;
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int32_t mKeyXCoordinates[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int32_t mKeyYCoordinates[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int32_t mKeyWidths[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int32_t mKeyHeights[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int32_t mKeyCharCodes[MAX_KEY_COUNT_IN_A_KEYBOARD];
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int mInputLength;
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unsigned short mPrimaryInputWord[MAX_WORD_LENGTH_INTERNAL];
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int mCodeToGroup[MAX_GROUPED_CHAR_CODE + 1];
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int mCodeToKeyIndex[MAX_GROUPED_CHAR_CODE + 1];
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};
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} // namespace latinime
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#endif // LATINIME_PROXIMITY_INFO_H
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