keyboard

Change keyboard layout from C# code with .NET 4.5.2

Switching the keyboard layout requires some P/Invoke; you´ll need at least the following Windows functions to get it working: LoadKeyboardLayout, GetKeyboardLayout and ActivateKeyboardLayout. The following import declarations worked for me… [DllImport(“user32.dll”, CallingConvention = CallingConvention.StdCall, CharSet = CharSet.Unicode, EntryPoint = “LoadKeyboardLayout”, SetLastError = true, ThrowOnUnmappableChar = false)] static extern uint LoadKeyboardLayout( StringBuilder pwszKLID, uint flags); [DllImport(“user32.dll”, … Read more

How can I block keyboard and mouse input in C#?

Expanding on Josh’s (correct) answer. Here’s the PInvoke signature for that method. public partial class NativeMethods { /// Return Type: BOOL->int ///fBlockIt: BOOL->int [System.Runtime.InteropServices.DllImportAttribute(“user32.dll”, EntryPoint=”BlockInput”)] [return: System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.Bool)] public static extern bool BlockInput([System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.Bool)] bool fBlockIt) ; } public static void BlockInput(TimeSpan span) { try { NativeMethods.BlockInput(true); Thread.Sleep(span); } finally { NativeMethods.BlockInput(false); } } EDIT Added some … Read more

How to hide soft input keyboard on flutter after clicking outside TextField/anywhere on screen?

You are doing it in the wrong way, just try this simple method to hide the soft keyboard. you just need to wrap your whole screen in the GestureDetector method and onTap method write this code. FocusScope.of(context).requestFocus(new FocusNode()); Here is the complete example: new Scaffold( body: new GestureDetector( onTap: () { FocusScope.of(context).requestFocus(new FocusNode()); }, child: … Read more

How to hide soft input keyboard on flutter after clicking outside TextField/anywhere on screen?

You are doing it in the wrong way, just try this simple method to hide the soft keyboard. you just need to wrap your whole screen in the GestureDetector method and onTap method write this code. FocusScope.of(context).requestFocus(new FocusNode()); Here is the complete example: new Scaffold( body: new GestureDetector( onTap: () { FocusScope.of(context).requestFocus(new FocusNode()); }, child: … Read more

How can I avoid autorepeated keydown events in JavaScript?

Use event.repeat to detect whether or not the event is repeating. You could then wait for “keyup” before allowing the handler to execute a second time. var allowed = true; $(document).keydown(function(event) { if (event.repeat != undefined) { allowed = !event.repeat; } if (!allowed) return; allowed = false; //… }); $(document).keyup(function(e) { allowed = true; }); … Read more

What is the height of iPhone’s onscreen keyboard?

I used the following approach for determining the frame of the keyboard in iOS 7.1. In the init method of my view controller, I registered for the UIKeyboardDidShowNotification: NSNotificationCenter *center = [NSNotificationCenter defaultCenter]; [center addObserver:self selector:@selector(keyboardOnScreen:) name:UIKeyboardDidShowNotification object:nil]; Then, I used the following code in keyboardOnScreen: to gain access to the frame of the keyboard. … Read more