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@@ -0,0 +1,480 @@
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+#if UNITY_2018_2_OR_NEWER
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+#define TMP_WEBGL_SUPPORT
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+#endif
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+
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+using System.Collections.Generic;
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+using UnityEngine;
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+using UnityEngine.UI;
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+using System;
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+using AOT;
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+using System.Runtime.InteropServices; // for DllImport
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+using System.Collections;
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+using UnityEngine.EventSystems;
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+
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+namespace WebGLSupport
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+{
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+ internal class WebGLInputPlugin
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+ {
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+#if UNITY_WEBGL && !UNITY_EDITOR
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputInit();
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+ [DllImport("__Internal")]
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+ public static extern int WebGLInputCreate(string canvasId, int x, int y, int width, int height, int fontsize, string text, string placeholder, bool isMultiLine, bool isPassword, bool isHidden, bool isMobile);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputEnterSubmit(int id, bool flag);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputTab(int id, Action<int, int> cb);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputFocus(int id);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputOnFocus(int id, Action<int> cb);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputOnBlur(int id, Action<int> cb);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputOnValueChange(int id, Action<int, string> cb);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputOnEditEnd(int id, Action<int, string> cb);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputOnKeyboardEvent(int id, Action<int, int, string, int, int, int, int> cb);
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+
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+ [DllImport("__Internal")]
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+ public static extern int WebGLInputSelectionStart(int id);
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+
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+ [DllImport("__Internal")]
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+ public static extern int WebGLInputSelectionEnd(int id);
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+
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+ [DllImport("__Internal")]
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+ public static extern int WebGLInputSelectionDirection(int id);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputSetSelectionRange(int id, int start, int end);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputMaxLength(int id, int maxlength);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputText(int id, string text);
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+
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+ [DllImport("__Internal")]
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+ public static extern bool WebGLInputIsFocus(int id);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputDelete(int id);
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+
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputForceBlur(int id);
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+
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+#if WEBGLINPUT_TAB
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+ [DllImport("__Internal")]
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+ public static extern void WebGLInputEnableTabText(int id, bool enable);
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+#endif
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+#else
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+ public static void WebGLInputInit() { }
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+ public static int WebGLInputCreate(string canvasId, int x, int y, int width, int height, int fontsize, string text, string placeholder, bool isMultiLine, bool isPassword, bool isHidden, bool isMobile) { return 0; }
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+ public static void WebGLInputEnterSubmit(int id, bool flag) { }
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+ public static void WebGLInputTab(int id, Action<int, int> cb) { }
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+ public static void WebGLInputFocus(int id) { }
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+ public static void WebGLInputOnFocus(int id, Action<int> cb) { }
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+ public static void WebGLInputOnBlur(int id, Action<int> cb) { }
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+ public static void WebGLInputOnValueChange(int id, Action<int, string> cb) { }
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+ public static void WebGLInputOnEditEnd(int id, Action<int, string> cb) { }
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+ public static void WebGLInputOnKeyboardEvent(int id, Action<int, int, string, int, int, int, int> cb) { }
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+ public static int WebGLInputSelectionStart(int id) { return 0; }
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+ public static int WebGLInputSelectionEnd(int id) { return 0; }
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+ public static int WebGLInputSelectionDirection(int id) { return 0; }
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+ public static void WebGLInputSetSelectionRange(int id, int start, int end) { }
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+ public static void WebGLInputMaxLength(int id, int maxlength) { }
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+ public static void WebGLInputText(int id, string text) { }
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+ public static bool WebGLInputIsFocus(int id) { return false; }
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+ public static void WebGLInputDelete(int id) { }
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+ public static void WebGLInputForceBlur(int id) { }
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+
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+#if WEBGLINPUT_TAB
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+ public static void WebGLInputEnableTabText(int id, bool enable) { }
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+#endif
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+
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+#endif
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+ }
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+
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+ public class WebGLInput : MonoBehaviour, IComparable<WebGLInput>
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+ {
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+ public static event KeyboardEventHandler OnKeyboardDown;
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+ public static event KeyboardEventHandler OnKeyboardUp;
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+
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+ static Dictionary<int, WebGLInput> instances = new Dictionary<int, WebGLInput>();
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+ public static string CanvasId { get; set; }
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+
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+#if WEBGLINPUT_TAB
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+ public bool enableTabText = false;
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+#endif
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+
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+ static WebGLInput()
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+ {
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+ CanvasId = WebGLWindow.GetCanvasName();
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+ WebGLInputPlugin.WebGLInputInit();
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+ }
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+ public int Id { get { return id; } }
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+ internal int id = -1;
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+ public IInputField input { get; private set; }
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+ bool blurBlock = false;
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+
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+ [TooltipAttribute("show input element on canvas. this will make you select text by drag.")]
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+ public bool showHtmlElement = false;
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+
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+ private IInputField Setup()
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+ {
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+ if (GetComponent<InputField>()) return new WrappedInputField(GetComponent<InputField>());
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+
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+ if (GetComponent<WebGLUIToolkitTextField>()) return new WrappedUIToolkit(GetComponent<WebGLUIToolkitTextField>());
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+#if TMP_WEBGL_SUPPORT
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+ if (GetComponent<TMPro.TMP_InputField>()) return new WrappedTMPInputField(GetComponent<TMPro.TMP_InputField>());
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+#endif // TMP_WEBGL_SUPPORT
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+
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+ throw new Exception("Can not Setup WebGLInput!!");
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+ }
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+
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+ private void Awake()
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+ {
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+ input = Setup();
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+#if !(UNITY_WEBGL && !UNITY_EDITOR)
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+ // WebGL 以外、更新メソッドは動作しないようにします
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+ enabled = false;
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+#endif
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+ // for mobile platform
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+ if (Application.isMobilePlatform)
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+ {
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+ if (input.EnableMobileSupport)
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+ {
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+ gameObject.AddComponent<WebGLInputMobile>();
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+ }
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+ else
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+ {
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+ // when disable mobile input. disable self!
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+ enabled = false;
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+ }
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+ }
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+ }
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+
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+ /// <summary>
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+ /// Get the element rect of input
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+ /// </summary>
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+ /// <returns></returns>
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+ RectInt GetElemetRect()
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+ {
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+ var rect = input.GetScreenCoordinates();
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+ // モバイルの場合、強制表示する
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+ if (showHtmlElement || Application.isMobilePlatform)
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+ {
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+ var x = (int)(rect.x);
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+ var y = (int)(Screen.height - (rect.y + rect.height));
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+ return new RectInt(x, y, (int)rect.width, (int)rect.height);
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+ }
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+ else
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+ {
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+ var x = (int)(rect.x);
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+ var y = (int)(Screen.height - (rect.y));
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+ return new RectInt(x, y, (int)rect.width, (int)1);
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+ }
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+ }
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+ /// <summary>
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+ /// 対象が選択されたとき
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+ /// </summary>
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+ /// <param name="eventData"></param>
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+ public void OnSelect()
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+ {
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+ if (id != -1) throw new Exception("OnSelect : id != -1");
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+
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+ var rect = GetElemetRect();
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+ bool isPassword = input.contentType == ContentType.Password;
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+
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+ var fontSize = Mathf.Max(14, input.fontSize); // limit font size : 14 !!
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+
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+ // モバイルの場合、強制表示する
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+ var isHidden = !(showHtmlElement || Application.isMobilePlatform);
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+ id = WebGLInputPlugin.WebGLInputCreate(WebGLInput.CanvasId, rect.x, rect.y, rect.width, rect.height, fontSize, input.text, input.placeholder, input.lineType != LineType.SingleLine, isPassword, isHidden, Application.isMobilePlatform);
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+
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+ instances[id] = this;
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+ WebGLInputPlugin.WebGLInputEnterSubmit(id, input.lineType != LineType.MultiLineNewline);
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+ WebGLInputPlugin.WebGLInputOnFocus(id, OnFocus);
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+ WebGLInputPlugin.WebGLInputOnBlur(id, OnBlur);
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+ WebGLInputPlugin.WebGLInputOnValueChange(id, OnValueChange);
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+ WebGLInputPlugin.WebGLInputOnEditEnd(id, OnEditEnd);
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+ WebGLInputPlugin.WebGLInputOnKeyboardEvent(id, OnKeyboardEvent);
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+ WebGLInputPlugin.WebGLInputTab(id, OnTab);
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+
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+ // default value : https://www.w3schools.com/tags/att_input_maxlength.asp
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+ WebGLInputPlugin.WebGLInputMaxLength(id, (input.characterLimit > 0) ? input.characterLimit : 524288);
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+ WebGLInputPlugin.WebGLInputFocus(id);
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+#if WEBGLINPUT_TAB
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+ WebGLInputPlugin.WebGLInputEnableTabText(id, enableTabText);
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+#endif
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+ if (input.OnFocusSelectAll)
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+ {
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+ WebGLInputPlugin.WebGLInputSetSelectionRange(id, 0, input.text.Length);
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+ }
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+ else
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+ {
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+ WebGLInputPlugin.WebGLInputSetSelectionRange(id, input.caretPosition, input.caretPosition);
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+ }
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+
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+ WebGLWindow.OnBlurEvent += OnWindowBlur;
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+ }
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+
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+ /// <summary>
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+ /// sync text from inputfield
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+ /// </summary>
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+ /// <param name="cursorIndex"></param>
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+ public void SyncText(int? cursorIndex = null)
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+ {
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+ if (!instances.ContainsKey(id)) return;
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+
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+ var instance = instances[id];
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+
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+ WebGLInputPlugin.WebGLInputText(id, instance.input.text);
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+
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+ if (cursorIndex.HasValue)
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+ {
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+ WebGLInputPlugin.WebGLInputSetSelectionRange(id, cursorIndex.Value, cursorIndex.Value);
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+ }
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+ }
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+
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+ private void OnWindowBlur()
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+ {
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+ blurBlock = true;
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+ }
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+
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+ internal void DeactivateInputField()
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+ {
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+ if (!instances.ContainsKey(id)) return;
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+
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+ WebGLInputPlugin.WebGLInputDelete(id);
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+ input.DeactivateInputField();
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+ instances.Remove(id);
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+ id = -1; // reset id to -1;
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+ WebGLWindow.OnBlurEvent -= OnWindowBlur;
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+ }
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+
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+ [MonoPInvokeCallback(typeof(Action<int>))]
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+ static void OnFocus(int id)
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+ {
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+#if UNITY_WEBGL && !UNITY_EDITOR
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+ Input.ResetInputAxes(); // Inputの状態リセット
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+ UnityEngine.WebGLInput.captureAllKeyboardInput = false;
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+#endif
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+ }
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+
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+ [MonoPInvokeCallback(typeof(Action<int>))]
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+ static void OnBlur(int id)
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+ {
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+#if UNITY_WEBGL && !UNITY_EDITOR
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+ UnityEngine.WebGLInput.captureAllKeyboardInput = true;
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+ Input.ResetInputAxes(); // Inputの状態リセット
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+#endif
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+ instances[id].StartCoroutine(Blur(id));
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+ }
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+
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+ static IEnumerator Blur(int id)
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+ {
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+ yield return null;
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+ if (!instances.ContainsKey(id)) yield break;
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+
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+ var block = instances[id].blurBlock; // get blur block state
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+ instances[id].blurBlock = false; // reset instalce block state
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+ if (block) yield break; // if block. break it!!
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+ instances[id].DeactivateInputField();
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+ }
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+
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+ [MonoPInvokeCallback(typeof(Action<int, string>))]
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+ static void OnValueChange(int id, string value)
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+ {
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+ if (!instances.ContainsKey(id)) return;
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+
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+ var instance = instances[id];
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+ if (!instance.input.ReadOnly)
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+ {
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+ instance.input.text = value;
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+ }
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+
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+ // InputField.ContentType.Name が Name の場合、先頭文字が強制的大文字になるため小文字にして比べる
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+ if (instance.input.contentType == ContentType.Name)
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+ {
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+ if (string.Compare(instance.input.text, value, true) == 0)
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+ {
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+ value = instance.input.text;
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+ }
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+ }
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+
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+ // InputField の ContentType による整形したテキストを HTML の input に再設定します
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+ if (value != instance.input.text)
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+ {
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+ var start = WebGLInputPlugin.WebGLInputSelectionStart(id);
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+ var end = WebGLInputPlugin.WebGLInputSelectionEnd(id);
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+ // take the offset.when char remove from input.
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+ var offset = instance.input.text.Length - value.Length;
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+
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+ WebGLInputPlugin.WebGLInputText(id, instance.input.text);
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+ // reset the input element selection range!!
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+ WebGLInputPlugin.WebGLInputSetSelectionRange(id, start + offset, end + offset);
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+ }
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+ }
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+ [MonoPInvokeCallback(typeof(Action<int, string>))]
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+ static void OnEditEnd(int id, string value)
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+ {
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+ if (!instances[id].input.ReadOnly)
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+ {
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+ instances[id].input.text = value;
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+ }
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+ }
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+ [MonoPInvokeCallback(typeof(Action<int, int>))]
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+ static void OnTab(int id, int value)
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+ {
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+ WebGLInputTabFocus.OnTab(instances[id], value);
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+ }
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+
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+ [MonoPInvokeCallback(typeof(Action<int, int, string, int, int, int, int>))]
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+ static void OnKeyboardEvent(int id, int mode, string key, int code, int shiftKey, int ctrlKey, int altKey)
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+ {
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+ if (!instances.ContainsKey(id)) return;
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+ var instance = instances[id];
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+
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+ // mode : keydown(1) keyup(3)
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+ var cb = mode switch
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+ {
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+ 1 => OnKeyboardDown,
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+ 2 => OnKeyboardUp,
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+ _ => default
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+ };
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+
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+ if (cb != null)
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+ {
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+ cb(instance, new KeyboardEvent(key, code, shiftKey != 0, ctrlKey != 0, altKey != 0));
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+ }
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+ }
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+
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+ void Update()
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+ {
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+ if (input == null || !input.isFocused)
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+ {
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+ CheckOutFocus();
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+ return;
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+ }
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+
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+ // 未登録の場合、選択する
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+ if (!instances.ContainsKey(id))
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+ {
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+ if (Application.isMobilePlatform)
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+ {
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+ return;
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+ }
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+ else
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+ {
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+ OnSelect();
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+ }
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+ }
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+ else if (!WebGLInputPlugin.WebGLInputIsFocus(id))
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+ {
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+ if (Application.isMobilePlatform)
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+ {
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+ //input.DeactivateInputField();
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+ return;
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+ }
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+ else
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+ {
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+ // focus this id
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+ WebGLInputPlugin.WebGLInputFocus(id);
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+ }
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+ }
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+
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+ var start = WebGLInputPlugin.WebGLInputSelectionStart(id);
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+ var end = WebGLInputPlugin.WebGLInputSelectionEnd(id);
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+ // 選択方向によって設定します
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+ if (WebGLInputPlugin.WebGLInputSelectionDirection(id) == -1)
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+ {
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|
+ input.selectionFocusPosition = start;
|
|
|
+ input.selectionAnchorPosition = end;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ input.selectionFocusPosition = end;
|
|
|
+ input.selectionAnchorPosition = start;
|
|
|
+ }
|
|
|
+
|
|
|
+ input.Rebuild();
|
|
|
+ }
|
|
|
+
|
|
|
+ private void OnDestroy()
|
|
|
+ {
|
|
|
+ if (!instances.ContainsKey(id)) return;
|
|
|
+
|
|
|
+#if UNITY_WEBGL && !UNITY_EDITOR
|
|
|
+ UnityEngine.WebGLInput.captureAllKeyboardInput = true;
|
|
|
+ Input.ResetInputAxes(); // Inputの状態リセット
|
|
|
+#endif
|
|
|
+ DeactivateInputField();
|
|
|
+ }
|
|
|
+
|
|
|
+ private void OnEnable()
|
|
|
+ {
|
|
|
+ WebGLInputTabFocus.Add(this);
|
|
|
+ }
|
|
|
+ private void OnDisable()
|
|
|
+ {
|
|
|
+ WebGLInputTabFocus.Remove(this);
|
|
|
+ }
|
|
|
+ public int CompareTo(WebGLInput other)
|
|
|
+ {
|
|
|
+ var a = input.GetScreenCoordinates();
|
|
|
+ var b = other.input.GetScreenCoordinates();
|
|
|
+ var res = b.y.CompareTo(a.y);
|
|
|
+ if (res == 0) res = a.x.CompareTo(b.x);
|
|
|
+ return res;
|
|
|
+ }
|
|
|
+
|
|
|
+ private void CheckOutFocus()
|
|
|
+ {
|
|
|
+ if (!Application.isMobilePlatform) return;
|
|
|
+ if (!instances.ContainsKey(id)) return;
|
|
|
+ var current = EventSystem.current.currentSelectedGameObject;
|
|
|
+ if (current != null) return;
|
|
|
+ WebGLInputPlugin.WebGLInputForceBlur(id); // Input ではないし、キーボードを閉じる
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// to manage tab focus
|
|
|
+ /// base on scene position
|
|
|
+ /// </summary>
|
|
|
+ static class WebGLInputTabFocus
|
|
|
+ {
|
|
|
+ static List<WebGLInput> inputs = new List<WebGLInput>();
|
|
|
+
|
|
|
+ public static void Add(WebGLInput input)
|
|
|
+ {
|
|
|
+ inputs.Add(input);
|
|
|
+ inputs.Sort();
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void Remove(WebGLInput input)
|
|
|
+ {
|
|
|
+ inputs.Remove(input);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void OnTab(WebGLInput input, int value)
|
|
|
+ {
|
|
|
+ if (inputs.Count <= 1) return;
|
|
|
+ var index = inputs.IndexOf(input);
|
|
|
+ index += value;
|
|
|
+ if (index < 0) index = inputs.Count - 1;
|
|
|
+ else if (index >= inputs.Count) index = 0;
|
|
|
+ inputs[index].input.ActivateInputField();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|