keypress

问题 I can make a widget inside another widget, as example an urwid.Frame father could have as body an urwid.Pile widget as child. In this situation, the father should process some input keys when the child have to treat some specific others keys. Like in this functional example: import urwid class NewFrame(urwid.Frame): def __init__(self, givenBody): super().__init__(urwid.Filler(givenBody, "top")) def keypress(self, size, key): if key in ('f'): print("We are in NewFrame object") return super

问题 I am trying to send a key to game(process). The game window is coming foreground but key is not working. I couldn't find the problem. Here is my code; private void timer1_Tick(object sender, EventArgs e) { Process p = Process.GetProcessesByName("League of Legends").FirstOrDefault(); if (p != null) { IntPtr h = p.MainWindowHandle; SetForegroundWindow(h); SendKeys.SendWait("q"); } } 来源： https://stackoverflow.com/questions/65263389/how-to-send-a-key-to-gameprocess-in-c-sharp

问题 I have found lots of info online about how to use the initEvent and dispatchEvent functions, but I can't for the life of me get them to work in practice. I'm trying to get a script to press the Enter key every 5 seconds. My userscript code (minus irrelevant metadata) is below: // ==UserScript== // @namespace http://userscripts.org/scripts/show/153134 // @require https://ajax.googleapis.com/ajax/libs/jquery/1.6.0/jquery.min.js // // @grant unsafeWindow // // ==/UserScript== $(function(){

问题 I have a table and move around inside with left, right, up, down buttons. Now I need to create a SIGNAL when I stay in a certain cell and press SPACE button. This SIGNAL should bring also the coordinate of that cell. I tried with standard signals of QTableWidget but it does not work. How can I solve this? 回答1: Create a separate header file i.e. "customtable.h" and then in the Designer you can Promote the existing QTableWidget to this class. class customTable:public QTableWidget { Q_OBJECT

问题 I have a table and move around inside with left, right, up, down buttons. Now I need to create a SIGNAL when I stay in a certain cell and press SPACE button. This SIGNAL should bring also the coordinate of that cell. I tried with standard signals of QTableWidget but it does not work. How can I solve this? 回答1: Create a separate header file i.e. "customtable.h" and then in the Designer you can Promote the existing QTableWidget to this class. class customTable:public QTableWidget { Q_OBJECT

问题 I am using ReactJs to develop my application. I am trying to submit an input text when Enter is pressed by handling the onKeyPress event. It detects other inputs, but not enter. I have tried different ways - event.key , event.charCode , event.keyCode , event.which ... Nothing seems to work. React.createElement("input", {tabIndex: "1", onKeyPress: this.handleKeyPress, onChange: this.handleChange, placeholder: "ex: 1,10,15"}), handleChange: function (event) { this.setState({userInputBuckets:

问题 I am using ReactJs to develop my application. I am trying to submit an input text when Enter is pressed by handling the onKeyPress event. It detects other inputs, but not enter. I have tried different ways - event.key , event.charCode , event.keyCode , event.which ... Nothing seems to work. React.createElement("input", {tabIndex: "1", onKeyPress: this.handleKeyPress, onChange: this.handleChange, placeholder: "ex: 1,10,15"}), handleChange: function (event) { this.setState({userInputBuckets:

问题 I'd like to prompt the user for input, let the user enter multiple lines of text, hitting enter between each line, then terminate the input by pressing CTRL+D or some such thing. With "keypress", I can catch the EOF, but I would have to handle all the echoing, backspace handling, terminal escape sequences, etc. manually. It would be much better if I could use "readline", but somehow intercept the CTRL+D (EOF) with "keypress", but I'm not sure how I would go about that. 回答1: You can use the

问题 I can understand we would use <input onKeyDown={ ... } /> but what if it is <Modal onKeyDown={ ... } /> because in a way, the keydown event handler code is inside of the Modal class (or function). If the modal is taking the left and right arrow key to perform some specific functions, then I wonder how we would bind the event handler in React, as the key event somehow is related to the modal as a whole, but not to particular input element inside the modal. P.S. I tried outer div and outer

问题 The javascript keypress event is deprecated: https://developer.mozilla.org/en-US/docs/Web/API/Document/keypress_event Some people advise to rely exclusively on the keydown event, eg.: Keydown is the only keyboard event we need https://www.mutuallyhuman.com/blog/2018/03/27/keydown-is-the-only-keyboard-event-we-need/ The problem is that keydown and keypress are not synonymous. Critically, they do not return the same character in many/most cases. Keydown represents which key on the keyboard was