keyboard-input

来源： https://stackoverflow.com/questions/62551221/how-to-set-the-focus-on-a-specific-element-in-a-uifigure

来源： https://stackoverflow.com/questions/62551221/how-to-set-the-focus-on-a-specific-element-in-a-uifigure

来源： https://stackoverflow.com/questions/62551221/how-to-set-the-focus-on-a-specific-element-in-a-uifigure

问题 My question is about very antique techologies. I have a task to automate old DOS software (spectrometric) that is running in Windows mode in Windows 98. I made two different solution hovewer both of them doesn't work with DOS application : First Solution Making DOS Application active Sending input via SendInput function, like this: void MossbauerLab::Sm2201::SaveManager::AutoSaveManager::sendKeysViaInput(const std::vector<DWORD>& keys, int keyPause) { std::vector<DWORD>::const_iterator it;

问题 I want to interpret Enter key as Tab key in whole my WPF application, that is, everywhere in my application when user press Enter I want to focus the next focusable control,except when button is focused. Is there any way to do that in application life circle? Can anyone give me an example? Thanks a lot! 回答1: You can use my EnterKeyTraversal attached property code if you like. Add it to the top-level container on a WPF window and everything inside will treat enter as tab: <StackPanel my

问题 I am writing code of a game in assembly language where the movement of the dinosaur depends on the key pressed from user. I have implemented my code in a way that if the user presses space bar the program should terminate and the dinosaur should move in a right direction on pressing "a". But I am facing a problem that after pressing any key for the first time the program doesn't look for any other key which is pressed after that which shows it is taking the first pressed key again and again.

问题 I have a main routine that loops infinitely. By changing bool variables using keyboard input, I want to be able to control whether certain if{} statements within that loop are getting called. I found this thread: C non-blocking keyboard input, but it seems excessively laborious and complicated for seemingly basic functionality. Is there an easier way to do it? 回答1: You'll have to use the OS/Firmware/Framework/environment API to get input events, or use a library that do this for you. Anyway,

问题 How would you prompt the user for some input but timing out after N seconds? Google is pointing to a mail thread about it at http://mail.python.org/pipermail/python-list/2006-January/533215.html but it seems not to work. The statement in which the timeout happens, no matter whether it is a sys.input.readline or timer.sleep() , I always get: <type 'exceptions.TypeError'>: [raw_]input expected at most 1 arguments, got 2 which somehow the except fails to catch. 回答1: The example you have linked

问题 I have a doubt in twisted python related to my multiclient chat server program. that is, when we give input from keyboard using stdio.StandardIO, where it is stored when we run the reactor? Can anybody give me the answer, please.. 回答1: twisted.internet.stdio.StandardIO doesn't "store" data anywhere. It is a transport which you associate with a protocol. The protocol you associate with it can do anything you want with the data delivered to it. You can find two examples of using StandardIO in

问题 In flutter app, when an input field is wrapped inside Scrollable, Opacity, Stack, when keyboard appear, the scrollable view is not correctly placed. How to make the scrollable view correctly when keyboard appear? If input field is not wrapped inside Scrollable, the keyboard is not appear at all. It can be test by changing ListView with Column in the following code. import 'package:flutter/material.dart'; void main() { runApp(new MyApp()); } class MyApp extends StatelessWidget { @override