64 lines
2.4 KiB
C++
64 lines
2.4 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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#include <stdio.h>
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#include <string.h>
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#define LOG_TAG "LatinIME: proximity_info.cpp"
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#include "proximity_info.h"
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namespace latinime {
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ProximityInfo::ProximityInfo(const int maxProximityCharsSize, const int keyboardWidth,
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const int keyboardHeight, const int gridWidth, const int gridHeight,
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const uint32_t *proximityCharsArray)
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: MAX_PROXIMITY_CHARS_SIZE(maxProximityCharsSize), KEYBOARD_WIDTH(keyboardWidth),
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KEYBOARD_HEIGHT(keyboardHeight), GRID_WIDTH(gridWidth), GRID_HEIGHT(gridHeight),
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CELL_WIDTH((keyboardWidth + gridWidth - 1) / gridWidth),
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CELL_HEIGHT((keyboardHeight + gridHeight - 1) / gridHeight) {
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const int len = GRID_WIDTH * GRID_HEIGHT * MAX_PROXIMITY_CHARS_SIZE;
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mProximityCharsArray = new uint32_t[len];
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if (DEBUG_PROXIMITY_INFO) {
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LOGI("Create proximity info array %d", len);
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}
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memcpy(mProximityCharsArray, proximityCharsArray, len * sizeof(mProximityCharsArray[0]));
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}
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ProximityInfo::~ProximityInfo() {
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delete[] mProximityCharsArray;
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}
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inline int ProximityInfo::getStartIndexFromCoordinates(const int x, const int y) const {
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return (y / CELL_HEIGHT) * GRID_WIDTH + (x / CELL_WIDTH)
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* MAX_PROXIMITY_CHARS_SIZE;
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}
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bool ProximityInfo::hasSpaceProximity(const int x, const int y) const {
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const int startIndex = getStartIndexFromCoordinates(x, y);
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if (DEBUG_PROXIMITY_INFO) {
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LOGI("hasSpaceProximity: index %d", startIndex);
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}
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for (int i = 0; i < MAX_PROXIMITY_CHARS_SIZE; ++i) {
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if (DEBUG_PROXIMITY_INFO) {
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LOGI("Index: %d", mProximityCharsArray[startIndex + i]);
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}
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if (mProximityCharsArray[startIndex + i] == KEYCODE_SPACE) {
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return true;
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}
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}
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return false;
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}
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} // namespace latinime
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