unity 调用触摸键盘

之前一直使用的osk.exe软键盘,总感觉哪里不舒服
之后发现了一个比较好用的触摸键盘Taptip.exe
win7可以直接使用
win10需要打开触摸输入

1. using UnityEngine;
   
2. using System;
   
3. using System.Collections;
   
4. using System.Diagnostics;
   
5. using System.Runtime.InteropServices;
   
6. 
   
7. public class VirtualKeyboard
   
8. {
   
9.     [DllImport("user32")]
   
10.     static extern IntPtr FindWindow(String sClassName, String sAppName);
    
11.     [DllImport("user32")]
    
12.     static extern bool PostMessage(IntPtr hWnd, uint Msg, int wParam, int lParam);
    
13.     private static Process _onScreenKeyboardProcess = null;
    
14.     /// <summary>
    
15.     /// Show the touch keyboard (tabtip.exe).
    
16.     /// </summary>
    
17.     public void ShowTouchKeyboard()
    
18.     {
    
19.         ExternalCall("C:\\Program Files\\Common Files\\Microsoft Shared\\ink\\tabtip.exe", null, false);
    
20.         //ExternalCall("TABTIP", null, false);
    
21.     }
    
22.     /// <summary>
    
23.     /// Hide the touch keyboard (tabtip.exe).
    
24.     /// </summary>
    
25.     public void HideTouchKeyboard()
    
26.     {
    
27.         uint WM_SYSCOMMAND = 274;
    
28.         int SC_CLOSE = 61536;
    
29.         IntPtr ptr = FindWindow("IPTip_Main_Window", null);
    
30.         PostMessage(ptr, WM_SYSCOMMAND, SC_CLOSE, 0);
    
31.     }
    
32.     /// <summary>
    
33.     /// Show the on screen keyboard (osk.exe).
    
34.     /// </summary>
    
35.     public void ShowOnScreenKeyboard()
    
36.     {
    
37.         //ExternalCall("C:\\Windows\\system32\\osk.exe", null, false);
    
38.         if (_onScreenKeyboardProcess == null || _onScreenKeyboardProcess.HasExited)
    
39.             _onScreenKeyboardProcess = ExternalCall("OSK", null, false);
    
40.     }
    
41.     /// <summary>
    
42.     /// Hide the on screen keyboard (osk.exe).
    
43.     /// </summary>
    
44.     public void HideOnScreenKeyboard()
    
45.     {
    
46.         if (_onScreenKeyboardProcess != null && !_onScreenKeyboardProcess.HasExited)
    
47.             _onScreenKeyboardProcess.Kill();
    
48.     }
    
49.     /// <summary>
    
50.     /// Set size and location of the OSK.exe keyboard, via registry changes. Messy, but only known method.
    
51.     /// </summary>
    
52.     /// <param name='rect'>
    
53.     /// Rect.
    
54.     /// </param>
    
55.     public void RepositionOnScreenKeyboard(Rect rect)
    
56.     {
    
57.         ExternalCall("REG", @"ADD HKCU\Software\Microsoft\Osk /v WindowLeft /t REG_DWORD /d " + (int)rect.x + " /f", true);
    
58.         ExternalCall("REG", @"ADD HKCU\Software\Microsoft\Osk /v WindowTop /t REG_DWORD /d " + (int)rect.y + " /f", true);
    
59.         ExternalCall("REG", @"ADD HKCU\Software\Microsoft\Osk /v WindowWidth /t REG_DWORD /d " + (int)rect.width + " /f", true);
    
60.         ExternalCall("REG", @"ADD HKCU\Software\Microsoft\Osk /v WindowHeight /t REG_DWORD /d " + (int)rect.height + " /f", true);
    
61.     }
    
62.     private static Process ExternalCall(string filename, string arguments, bool hideWindow)
    
63.     {
    
64.         ProcessStartInfo startInfo = new ProcessStartInfo();
    
65.         startInfo.FileName = filename;
    
66.         startInfo.Arguments = arguments;
    
67.         // if just command, we don't want to see the console displayed
    
68.         if (hideWindow)
    
69.         {
    
70.             startInfo.RedirectStandardOutput = true;
    
71.             startInfo.RedirectStandardError = true;
    
72.             startInfo.UseShellExecute = false;
    
73.             startInfo.CreateNoWindow = true;
    
74.         }
    
75.         Process process = new Process();
    
76.         process.StartInfo = startInfo;
    
77.         process.Start();
    
78.         return process;
    
79.     }
    
80. }

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