keyboard-events

问题 Is it possible to create an auto key press event? I want to flip a book once automatically after refreshing the site? Thanks in advance! 回答1: This will do it: $(document).ready(function() { var e = $.Event('keydown', { keyCode: 39 });// right arrow key $(document).trigger(e); }); References: JS trigger keydown event Is it possible to simulate key press events programmatically? Trigger a keypress/keydown/keyup event in JS/jQuery? 回答2: This solved the problem: $(window).load(function() { var e

问题 Here's a very simple example: from Tkinter import * import tkMessageBox def quit(event): exit() root = Tk() root.bind("<Escape>", quit) #tkMessageBox.showinfo("title", "message") root.mainloop() If I run the code exactly as it is, the program will terminate when Esc is hit. Now, if I un-comment the tkMessageBox line, the binding is "lost" after closing the message box, i.e. pressing Esc won't do anything anymore. This is happening in Python 2.7. Can you please verify if this is happening also

问题 I am using a UISearchDisplayController to let the user search through a list of buildings on a university campus. Sometimes, the user will know exactly what building they want, enter the building's number, and that building will then be the only building result showing in the UITableView. At the moment, if the user proceeds to hit "Search" on the keyboard, the keyboard animates off the screen and the user then has to make a second tap on the sole item in the UITableView to be sent to a point

问题 I'm trying to follow this StackOverflow article, referring to this similar article on StackOverflow, and this from the UWP Windows Dev Center. In my manifest XML, the <Package> tag was updated to include xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities" and also IgnorableNamespaces="uap mp wincap rescap" . My <Capabilities> section looks like this: <Capabilities> <Capability Name="internetClient" /> <rescap:Capability Name=

问题 I would like to detect whether the user has pressed Enter using jQuery. How is this possible? Does it require a plugin? EDIT: It looks like I need to use the keypress() method. I wanted to know if anyone knows if there are browser issues with that command - like are there any browser compatibility issues I should know about? 回答1: The whole point of jQuery is that you don't have to worry about browser differences. I am pretty sure you can safely go with enter being 13 in all browsers. So with

问题 I use this code for move the view up when keyboard appears, in my login page this code worked great, but in the signup page it did not work. func textFieldDidBeginEditing(textField: UITextField) { animateViewMoving(true, moveValue: 100) } func textFieldDidEndEditing(textField: UITextField) { animateViewMoving(false, moveValue: 100) } func animateViewMoving (up:Bool, moveValue :CGFloat){ var movementDuration:NSTimeInterval = 0.3 var movement:CGFloat = ( up ? -moveValue : moveValue) UIView

问题 When the typing cursor is in a textbox I want catch the Arrow keys, do some treatment then prevent this event for being handled by the input. In KeyPress event we have KeyPressEventArgs that we can put e.Handled=false; to deal with. But Arrows keys don't trig KeyPress event. I have tried with e.IsInputKey = true; then int KeyDown Event as MS says. Msdn Control.PreviewKeyDown Event But seems e.Handled=false; doesn't work neither. Here is my current code private void textBox1_PreviewKeyDown

问题 i'd like to do the following : whenever a word document is open i need to save it in a way, and then if a user starts typing in it i want to save the time the document is being edited. i'm just on the first phase, and i can't seem to manage detecting when a user opens a document. i tried using Microsoft.Office.Interop.Word, but, in this way i don't want to start word application unless the user opens a document. but, when i want to initialize a Microsoft.Office.Interop.Word.Application, it's

问题 i'd like to do the following : whenever a word document is open i need to save it in a way, and then if a user starts typing in it i want to save the time the document is being edited. i'm just on the first phase, and i can't seem to manage detecting when a user opens a document. i tried using Microsoft.Office.Interop.Word, but, in this way i don't want to start word application unless the user opens a document. but, when i want to initialize a Microsoft.Office.Interop.Word.Application, it's

问题 I have a script that does an ajax request out on a keyup event on my search input box. I am noticing in Firefox (I am looking at the console) that every request that is sent off finishes. So there are a ton of ajax requests that happen. Is there anyway to kill an ajax request in progress upon a keyup event? jQuery: jQuery(function() { var request; request = function(url, keyword) { return $.post('/backpack/' + url + '/search?keyword=' + keyword, function(data) { var el; el = "#result_" + url;