"keydown" is an event used in writing software that is triggered when a key on the keyboard is being pressed. It usually precedes the event "keyup".
Questions tagged [keydown]
1434 questions
221
votes
19 answers
How to detect if multiple keys are pressed at once using JavaScript?
I'm trying to develop a JavaScript game engine and I've came across this problem:
When I press SPACE the character jumps.
When I press → the character moves right.
The problem is that when I'm pressing right and then press space, the…
XCS
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170
votes
7 answers
onKeyDown event not working on divs in React
I want to use a keyDown event on a div in React. I do:
componentWillMount() {
document.addEventListener("keydown", this.onKeyPressed.bind(this));
}
componentWillUnmount() {
document.removeEventListener("keydown",…
Michael
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89
votes
10 answers
Up, Down, Left and Right arrow keys do not trigger KeyDown event
I am building an application where all the key input must be handled by the windows itself.
I set tabstop to false for each control witch could grab the focus except a panel (but I don't know if it has effect).
I set KeyPreview to true and I am…
Martin Delille
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70
votes
6 answers
How to decode character pressed from jQuery's keydown()'s event handler
I need to figure out which character was typed into a text field from within the handler that is called by jQuery's keydown function. key.which gives me only the keycode, but I need to figure out which ASCII character key represents. How do I do…
Chetan
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64
votes
4 answers
OS X: Detect system-wide keyDown events?
I'm working on a typing-tutor application for Mac OS X that needs to have keystrokes forwarded to it, even when the application is not in focus.
Is there a way to have the system forward keystrokes to the app, possibly through…
Chris Ladd
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62
votes
2 answers
tabindex in CSS
Is it possible to control tabindex with CSS and if yes, which browsers support it and on which elements?
EDIT
I should say, my goal is to catch keydown events on a div. I saw this page http://www.quirksmode.org/js/events/keys.html# that tests…
Boris Hamanov
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54
votes
11 answers
keypress, ctrl+c (or some combo like that)
I'm trying to create shortcuts on the website I'm making. I know I can do it this way:
if(e.which == 17) isCtrl=true;
if(e.which == 83 && isCtrl == true) {
alert('CTRL+S COMBO WAS PRESSED!')
//run code for CTRL+S -- ie, save!
…
android.nick
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50
votes
3 answers
jQuery key code for command key
I have read jQuery Event Keypress: Which key was pressed? and How can i check if key is pressed during click event with jquery?
However my question is if you can get the same key event for all browsers? Currently I know that Firefox gives the…
Craig
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49
votes
3 answers
What's the theory behind jQuery keypress, keydown, keyup black magic (on Macs)?
I am confused about the various behaviors of keypress, keydown, and keyup. It seems that I have missed an important piece of documentation, one that explains the subtleties and nuances of this trio. Could someone help me to figure out which document…
SaganRitual
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48
votes
14 answers
How can I capture KeyDown event on a WPF Page or UserControl object?
I have a Page with a UserControl on it. If the user presses Esc while anywhere on Page I want to handle.
I thought this would be as easy as hooking up the PreviewKeyDown event, testing for the Esc key, and then handling it. However, when I placed…
Sailing Judo
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45
votes
3 answers
How to detect keyboard events in SwiftUI on macOS?
How can I detect keyboard events in a SwiftUI view on macOS?
I want to be able to use key strokes to control items on a particular screen but it's not clear how I detect keyboard events, which is usually done by overriding the keyDown(_ event:…
Duncan Groenewald
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45
votes
7 answers
Python method for reading keypress?
I'm new to Python, and I just made a game and a menu in Python.
Question is, that using (raw_)input() requires me to press enter after every keypress, I'd like to make it so that pressing down-arrow will instantly select the next menu item, or move…
user1632861
42
votes
9 answers
jQuery - keydown() on div not working in Firefox
I have the following example code, which should pop up an alert when the div is in focus and a key is pressed. This does what I expect in IE 7, but not in Firefox 3.5.5. What am I doing wrong?
JS test
Wayne Koorts
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42
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13 answers
KeyDown : recognizing multiple keys
How can I determine in KeyDown that CtrlUp was pressed.
private void listView1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Control && e.KeyCode == Keys.Up)
{
//do stuff
}
}
can't work, because never both…
Kai
40
votes
5 answers
Python simulate keydown
After searching for several hours i´m wondering if its possible to simulate a keydown press on the keyboard. For example I want my program to hold the x key down for five seconds so when I run it in notepad it would look like to see something like…
inControl
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