Daiki Kato / MothionEventConverter

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

MotionEventConverter.cpp@1:5bfc165e8f08, 2016-06-29 (annotated)

Committer:
dkato
Date:
Wed Jun 29 05:33:35 2016 +0000
Revision:
1:5bfc165e8f08
Parent:
0:c41d29f1e0fb 
update

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 1:5bfc165e8f08 21 MotionEventConverter::MotionEventConverter() : sem_touch_int(0) {
dkato 1:5bfc165e8f08 22 }
dkato 1:5bfc165e8f08 23
dkato 1:5bfc165e8f08 24 void MotionEventConverter::touch_process(TouchKey * p_touch) {
dkato 0:c41d29f1e0fb 25 memset(touch_pos, 0, sizeof(touch_pos));
dkato 0:c41d29f1e0fb 26 memset(touch_pos_last, 0, sizeof(touch_pos_last));
dkato 0:c41d29f1e0fb 27 time_cnt = 0;
dkato 0:c41d29f1e0fb 28 touch_num = 0;
dkato 0:c41d29f1e0fb 29 touch_num_last = 0;
dkato 0:c41d29f1e0fb 30
dkato 1:5bfc165e8f08 31 p_touch->SetCallback(this, &MotionEventConverter::touch_int_callback);
dkato 1:5bfc165e8f08 32 p_touch->Reset();
dkato 0:c41d29f1e0fb 33 t.reset();
dkato 0:c41d29f1e0fb 34 t.start();
dkato 0:c41d29f1e0fb 35
dkato 0:c41d29f1e0fb 36 while (1) {
dkato 1:5bfc165e8f08 37 sem_touch_int.wait();
dkato 0:c41d29f1e0fb 38 // Get Coordinates
dkato 0:c41d29f1e0fb 39 touch_num = p_touch->GetCoordinates(MotionEvent::TOUCH_NUM_MAX, &touch_pos[0]);
dkato 0:c41d29f1e0fb 40 time_cnt = t.read_ms();
dkato 0:c41d29f1e0fb 41 event.clearPointerCount();
dkato 0:c41d29f1e0fb 42 if ((touch_num_last == 0) && (touch_num >= MULTI_TOUCH_NUM)) {
dkato 0:c41d29f1e0fb 43 // Two points are pressed at the same time
dkato 0:c41d29f1e0fb 44 event.setPosData(0, touch_pos[0].x, touch_pos[0].y);
dkato 0:c41d29f1e0fb 45 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_DOWN, time_cnt);
dkato 1:5bfc165e8f08 46 _callback.call(event);
dkato 0:c41d29f1e0fb 47
dkato 0:c41d29f1e0fb 48 event.setPosData(1, touch_pos[1].x, touch_pos[1].y);
dkato 0:c41d29f1e0fb 49 event.setActionInfo((1 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_DOWN, time_cnt);
dkato 1:5bfc165e8f08 50 _callback.call(event);
dkato 0:c41d29f1e0fb 51 } else if ((touch_num_last == 0) && (touch_num == 1)) {
dkato 0:c41d29f1e0fb 52 // It was pressed only one point
dkato 0:c41d29f1e0fb 53 if (touch_pos[0].valid != false) {
dkato 0:c41d29f1e0fb 54 pidx = 0;
dkato 0:c41d29f1e0fb 55 } else {
dkato 0:c41d29f1e0fb 56 pidx = 1;
dkato 0:c41d29f1e0fb 57 }
dkato 0:c41d29f1e0fb 58 event.setPosData(pidx, touch_pos[pidx].x, touch_pos[pidx].y);
dkato 0:c41d29f1e0fb 59 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_DOWN, time_cnt);
dkato 1:5bfc165e8f08 60 _callback.call(event);
dkato 0:c41d29f1e0fb 61 } else if ((touch_num_last == 1) && (touch_num == 2)) {
dkato 0:c41d29f1e0fb 62 // The second point is pressed
dkato 0:c41d29f1e0fb 63 event.setPosData(0, touch_pos[0].x, touch_pos[0].y);
dkato 0:c41d29f1e0fb 64 event.setPosData(1, touch_pos[1].x, touch_pos[1].y);
dkato 0:c41d29f1e0fb 65 if (touch_pos[0].valid != touch_pos_last[0].valid) {
dkato 0:c41d29f1e0fb 66 pidx = 0;
dkato 0:c41d29f1e0fb 67 } else {
dkato 0:c41d29f1e0fb 68 pidx = 1;
dkato 0:c41d29f1e0fb 69 }
dkato 0:c41d29f1e0fb 70 event.setActionInfo((pidx << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_DOWN, time_cnt);
dkato 1:5bfc165e8f08 71 _callback.call(event);
dkato 0:c41d29f1e0fb 72 } else if ((touch_num_last >= MULTI_TOUCH_NUM) && (touch_num == 0)) {
dkato 0:c41d29f1e0fb 73 // Two points are released at the same time
dkato 0:c41d29f1e0fb 74 event.setPosData(0, touch_pos_last[0].x, touch_pos_last[0].y);
dkato 0:c41d29f1e0fb 75 event.setPosData(1, touch_pos_last[1].x, touch_pos_last[1].y);
dkato 0:c41d29f1e0fb 76 event.setActionInfo((1 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_UP, time_cnt);
dkato 1:5bfc165e8f08 77 _callback.call(event);
dkato 0:c41d29f1e0fb 78
dkato 0:c41d29f1e0fb 79 event.clearPointerCount();
dkato 0:c41d29f1e0fb 80 event.setPosData(0, touch_pos_last[0].x, touch_pos_last[0].y);
dkato 0:c41d29f1e0fb 81 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_UP, time_cnt);
dkato 1:5bfc165e8f08 82 _callback.call(event);
dkato 0:c41d29f1e0fb 83 } else if ((touch_num_last == 1) && (touch_num == 0)) {
dkato 0:c41d29f1e0fb 84 // The last of one point is released
dkato 0:c41d29f1e0fb 85 if (touch_pos[0].valid != touch_pos_last[0].valid) {
dkato 0:c41d29f1e0fb 86 pidx = 0;
dkato 0:c41d29f1e0fb 87 } else {
dkato 0:c41d29f1e0fb 88 pidx = 1;
dkato 0:c41d29f1e0fb 89 }
dkato 0:c41d29f1e0fb 90 event.setPosData(pidx, touch_pos_last[pidx].x, touch_pos_last[pidx].y);
dkato 0:c41d29f1e0fb 91 event.setActionInfo((0 << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_UP, time_cnt);
dkato 1:5bfc165e8f08 92 _callback.call(event);
dkato 0:c41d29f1e0fb 93 } else if ((touch_num_last >= MULTI_TOUCH_NUM) && (touch_num == 1)) {
dkato 0:c41d29f1e0fb 94 // The second point is released
dkato 0:c41d29f1e0fb 95 pidx = 0;
dkato 0:c41d29f1e0fb 96 if (touch_pos[0].valid != false) {
dkato 0:c41d29f1e0fb 97 event.setPosData(0, touch_pos[0].x, touch_pos[0].y);
dkato 0:c41d29f1e0fb 98 } else {
dkato 0:c41d29f1e0fb 99 event.setPosData(0, touch_pos_last[0].x, touch_pos_last[0].y);
dkato 0:c41d29f1e0fb 100 }
dkato 0:c41d29f1e0fb 101 if (touch_pos[1].valid != false) {
dkato 0:c41d29f1e0fb 102 event.setPosData(1, touch_pos[1].x, touch_pos[1].y);
dkato 0:c41d29f1e0fb 103 } else {
dkato 0:c41d29f1e0fb 104 event.setPosData(1, touch_pos_last[1].x, touch_pos_last[1].y);
dkato 0:c41d29f1e0fb 105 pidx = 1;
dkato 0:c41d29f1e0fb 106 }
dkato 0:c41d29f1e0fb 107 event.setActionInfo((pidx << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_POINTER_UP, time_cnt);
dkato 1:5bfc165e8f08 108 _callback.call(event);
dkato 0:c41d29f1e0fb 109 } else if (touch_num != 0) {
dkato 0:c41d29f1e0fb 110 // Check whether the position has moved
dkato 0:c41d29f1e0fb 111 bool moved = false;
dkato 0:c41d29f1e0fb 112 for (int i = 0; i < MotionEvent::TOUCH_NUM_MAX; i++) {
dkato 0:c41d29f1e0fb 113 if (touch_pos[i].valid != false) {
dkato 0:c41d29f1e0fb 114 event.setPosData(i, touch_pos[i].x, touch_pos[i].y);
dkato 0:c41d29f1e0fb 115 if ((touch_pos[i].x != touch_pos_last[i].x) || (touch_pos[i].y != touch_pos_last[i].y)) {
dkato 0:c41d29f1e0fb 116 moved = true;
dkato 0:c41d29f1e0fb 117 pidx = i;
dkato 0:c41d29f1e0fb 118 }
dkato 0:c41d29f1e0fb 119 }
dkato 0:c41d29f1e0fb 120 }
dkato 0:c41d29f1e0fb 121 if (moved != false) {
dkato 0:c41d29f1e0fb 122 if (touch_num >= MULTI_TOUCH_NUM) {
dkato 0:c41d29f1e0fb 123 pidx = 0;
dkato 0:c41d29f1e0fb 124 }
dkato 0:c41d29f1e0fb 125 event.setActionInfo((pidx << MotionEvent::ACTION_POINTER_INDEX_SHIFT) | ACTION_MOVE, time_cnt);
dkato 1:5bfc165e8f08 126 _callback.call(event);
dkato 0:c41d29f1e0fb 127 }
dkato 0:c41d29f1e0fb 128 } else {
dkato 0:c41d29f1e0fb 129 // do nothing
dkato 0:c41d29f1e0fb 130 }
dkato 0:c41d29f1e0fb 131 touch_pos_last[0] = touch_pos[0];
dkato 0:c41d29f1e0fb 132 touch_pos_last[1] = touch_pos[1];
dkato 0:c41d29f1e0fb 133 touch_num_last = touch_num;
dkato 0:c41d29f1e0fb 134 }
dkato 0:c41d29f1e0fb 135 }
dkato 0:c41d29f1e0fb 136
dkato 1:5bfc165e8f08 137 void MotionEventConverter::touch_int_callback(void) {
dkato 1:5bfc165e8f08 138 sem_touch_int.release();
dkato 1:5bfc165e8f08 139 }
dkato 0:c41d29f1e0fb 140
dkato 1:5bfc165e8f08 141
dkato 1:5bfc165e8f08 142