Daiki Kato / MothionEventConverter

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MotionEventConverter.cpp@0:c41d29f1e0fb, 2016-06-28 (annotated)

Committer:
dkato
Date:
Tue Jun 28 13:06:53 2016 +0000
Revision:
0:c41d29f1e0fb
Child:
1:5bfc165e8f08
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:c41d29f1e0fb 1 /* mbed Microcontroller Library
dkato 0:c41d29f1e0fb 2 * Copyright (C) 2016 Renesas Electronics Corporation. All rights reserved.
dkato 0:c41d29f1e0fb 3 *
dkato 0:c41d29f1e0fb 4 * Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:c41d29f1e0fb 5 * you may not use this file except in compliance with the License.
dkato 0:c41d29f1e0fb 6 * You may obtain a copy of the License at
dkato 0:c41d29f1e0fb 7 *
dkato 0:c41d29f1e0fb 8 * http://www.apache.org/licenses/LICENSE-2.0
dkato 0:c41d29f1e0fb 9 *
dkato 0:c41d29f1e0fb 10 * Unless required by applicable law or agreed to in writing, software
dkato 0:c41d29f1e0fb 11 * distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:c41d29f1e0fb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:c41d29f1e0fb 13 * See the License for the specific language governing permissions and
dkato 0:c41d29f1e0fb 14 * limitations under the License.
dkato 0:c41d29f1e0fb 15 */
dkato 0:c41d29f1e0fb 16
dkato 0:c41d29f1e0fb 17 #include "MotionEventConverter.h"
dkato 0:c41d29f1e0fb 18
dkato 0:c41d29f1e0fb 19 #define MULTI_TOUCH_NUM (2)
dkato 0:c41d29f1e0fb 20
dkato 0:c41d29f1e0fb 21 void MotionEventConverter::Process(TouchKey * p_touch, int (*cb_func)(MotionEvent event)) {
dkato 0:c41d29f1e0fb 22 memset(touch_pos, 0, sizeof(touch_pos));
dkato 0:c41d29f1e0fb 23 memset(touch_pos_last, 0, sizeof(touch_pos_last));
dkato 0:c41d29f1e0fb 24 time_cnt = 0;
dkato 0:c41d29f1e0fb 25 touch_num = 0;
dkato 0:c41d29f1e0fb 26 touch_num_last = 0;
dkato 0:c41d29f1e0fb 27
dkato 0:c41d29f1e0fb 28 p_touch->Init();
dkato 0:c41d29f1e0fb 29 t.reset();
dkato 0:c41d29f1e0fb 30 t.start();
dkato 0:c41d29f1e0fb 31
dkato 0:c41d29f1e0fb 32 while (1) {
dkato 0:c41d29f1e0fb 33 p_touch->WaitInt();
dkato 0:c41d29f1e0fb 34 // Get Coordinates
dkato 0:c41d29f1e0fb 35 touch_num = p_touch->GetCoordinates(MotionEvent::TOUCH_NUM_MAX, &touch_pos[0]);
dkato 0:c41d29f1e0fb 36 time_cnt = t.read_ms();
dkato 0:c41d29f1e0fb 37 event.clearPointerCount();
dkato 0:c41d29f1e0fb 38 if ((touch_num_last == 0) && (touch_num >= MULTI_TOUCH_NUM)) {
dkato 0:c41d29f1e0fb 39 // Two points are pressed at the same time
dkato 0:c41d29f1e0fb 40 event.setPosData(0, touch_pos[0].x, touch_pos[0].y);
dkato 0:c41d29f1e0fb 41 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_DOWN, time_cnt);
dkato 0:c41d29f1e0fb 42 cb_func(event);
dkato 0:c41d29f1e0fb 43
dkato 0:c41d29f1e0fb 44 event.setPosData(1, touch_pos[1].x, touch_pos[1].y);
dkato 0:c41d29f1e0fb 45 event.setActionInfo((1 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_DOWN, time_cnt);
dkato 0:c41d29f1e0fb 46 cb_func(event);
dkato 0:c41d29f1e0fb 47 } else if ((touch_num_last == 0) && (touch_num == 1)) {
dkato 0:c41d29f1e0fb 48 // It was pressed only one point
dkato 0:c41d29f1e0fb 49 if (touch_pos[0].valid != false) {
dkato 0:c41d29f1e0fb 50 pidx = 0;
dkato 0:c41d29f1e0fb 51 } else {
dkato 0:c41d29f1e0fb 52 pidx = 1;
dkato 0:c41d29f1e0fb 53 }
dkato 0:c41d29f1e0fb 54 event.setPosData(pidx, touch_pos[pidx].x, touch_pos[pidx].y);
dkato 0:c41d29f1e0fb 55 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_DOWN, time_cnt);
dkato 0:c41d29f1e0fb 56 cb_func(event);
dkato 0:c41d29f1e0fb 57 } else if ((touch_num_last == 1) && (touch_num == 2)) {
dkato 0:c41d29f1e0fb 58 // The second point is pressed
dkato 0:c41d29f1e0fb 59 event.setPosData(0, touch_pos[0].x, touch_pos[0].y);
dkato 0:c41d29f1e0fb 60 event.setPosData(1, touch_pos[1].x, touch_pos[1].y);
dkato 0:c41d29f1e0fb 61 if (touch_pos[0].valid != touch_pos_last[0].valid) {
dkato 0:c41d29f1e0fb 62 pidx = 0;
dkato 0:c41d29f1e0fb 63 } else {
dkato 0:c41d29f1e0fb 64 pidx = 1;
dkato 0:c41d29f1e0fb 65 }
dkato 0:c41d29f1e0fb 66 event.setActionInfo((pidx << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_DOWN, time_cnt);
dkato 0:c41d29f1e0fb 67 cb_func(event);
dkato 0:c41d29f1e0fb 68 } else if ((touch_num_last >= MULTI_TOUCH_NUM) && (touch_num == 0)) {
dkato 0:c41d29f1e0fb 69 // Two points are released at the same time
dkato 0:c41d29f1e0fb 70 event.setPosData(0, touch_pos_last[0].x, touch_pos_last[0].y);
dkato 0:c41d29f1e0fb 71 event.setPosData(1, touch_pos_last[1].x, touch_pos_last[1].y);
dkato 0:c41d29f1e0fb 72 event.setActionInfo((1 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_UP, time_cnt);
dkato 0:c41d29f1e0fb 73 cb_func(event);
dkato 0:c41d29f1e0fb 74
dkato 0:c41d29f1e0fb 75 event.clearPointerCount();
dkato 0:c41d29f1e0fb 76 event.setPosData(0, touch_pos_last[0].x, touch_pos_last[0].y);
dkato 0:c41d29f1e0fb 77 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_UP, time_cnt);
dkato 0:c41d29f1e0fb 78 cb_func(event);
dkato 0:c41d29f1e0fb 79 } else if ((touch_num_last == 1) && (touch_num == 0)) {
dkato 0:c41d29f1e0fb 80 // The last of one point is released
dkato 0:c41d29f1e0fb 81 if (touch_pos[0].valid != touch_pos_last[0].valid) {
dkato 0:c41d29f1e0fb 82 pidx = 0;
dkato 0:c41d29f1e0fb 83 } else {
dkato 0:c41d29f1e0fb 84 pidx = 1;
dkato 0:c41d29f1e0fb 85 }
dkato 0:c41d29f1e0fb 86 event.setPosData(pidx, touch_pos_last[pidx].x, touch_pos_last[pidx].y);
dkato 0:c41d29f1e0fb 87 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_UP, time_cnt);
dkato 0:c41d29f1e0fb 88 cb_func(event);
dkato 0:c41d29f1e0fb 89 } else if ((touch_num_last >= MULTI_TOUCH_NUM) && (touch_num == 1)) {
dkato 0:c41d29f1e0fb 90 // The second point is released
dkato 0:c41d29f1e0fb 91 pidx = 0;
dkato 0:c41d29f1e0fb 92 if (touch_pos[0].valid != false) {
dkato 0:c41d29f1e0fb 93 event.setPosData(0, touch_pos[0].x, touch_pos[0].y);
dkato 0:c41d29f1e0fb 94 } else {
dkato 0:c41d29f1e0fb 95 event.setPosData(0, touch_pos_last[0].x, touch_pos_last[0].y);
dkato 0:c41d29f1e0fb 96 }
dkato 0:c41d29f1e0fb 97 if (touch_pos[1].valid != false) {
dkato 0:c41d29f1e0fb 98 event.setPosData(1, touch_pos[1].x, touch_pos[1].y);
dkato 0:c41d29f1e0fb 99 } else {
dkato 0:c41d29f1e0fb 100 event.setPosData(1, touch_pos_last[1].x, touch_pos_last[1].y);
dkato 0:c41d29f1e0fb 101 pidx = 1;
dkato 0:c41d29f1e0fb 102 }
dkato 0:c41d29f1e0fb 103 event.setActionInfo((pidx << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_UP, time_cnt);
dkato 0:c41d29f1e0fb 104 cb_func(event);
dkato 0:c41d29f1e0fb 105 } else if (touch_num != 0) {
dkato 0:c41d29f1e0fb 106 // Check whether the position has moved
dkato 0:c41d29f1e0fb 107 bool moved = false;
dkato 0:c41d29f1e0fb 108 for (int i = 0; i < MotionEvent::TOUCH_NUM_MAX; i++) {
dkato 0:c41d29f1e0fb 109 if (touch_pos[i].valid != false) {
dkato 0:c41d29f1e0fb 110 event.setPosData(i, touch_pos[i].x, touch_pos[i].y);
dkato 0:c41d29f1e0fb 111 if ((touch_pos[i].x != touch_pos_last[i].x) || (touch_pos[i].y != touch_pos_last[i].y)) {
dkato 0:c41d29f1e0fb 112 moved = true;
dkato 0:c41d29f1e0fb 113 pidx = i;
dkato 0:c41d29f1e0fb 114 }
dkato 0:c41d29f1e0fb 115 }
dkato 0:c41d29f1e0fb 116 }
dkato 0:c41d29f1e0fb 117 if (moved != false) {
dkato 0:c41d29f1e0fb 118 if (touch_num >= MULTI_TOUCH_NUM) {
dkato 0:c41d29f1e0fb 119 pidx = 0;
dkato 0:c41d29f1e0fb 120 }
dkato 0:c41d29f1e0fb 121 event.setActionInfo((pidx << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_MOVE, time_cnt);
dkato 0:c41d29f1e0fb 122 cb_func(event);
dkato 0:c41d29f1e0fb 123 }
dkato 0:c41d29f1e0fb 124 } else {
dkato 0:c41d29f1e0fb 125 // do nothing
dkato 0:c41d29f1e0fb 126 }
dkato 0:c41d29f1e0fb 127 touch_pos_last[0] = touch_pos[0];
dkato 0:c41d29f1e0fb 128 touch_pos_last[1] = touch_pos[1];
dkato 0:c41d29f1e0fb 129 touch_num_last = touch_num;
dkato 0:c41d29f1e0fb 130 }
dkato 0:c41d29f1e0fb 131 }
dkato 0:c41d29f1e0fb 132
dkato 0:c41d29f1e0fb 133