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Code Issues Releases Wiki Activity

Decaf on_key (convert)

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This commit is contained in:
nanaya 2025-01-13 16:52:03 +09:00
parent 8ba125a1f9
commit caa784c724
1 changed files with 56 additions and 37 deletions
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93
app/javascript/src/utils/on_key.js
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@ -1,40 +1,59 @@
keysDown = new Map
# Many browsers eat keyup events if focus is lost while the button
# is pressed.
document.addEventListener 'blur', ->
keysDown.clear()
var keysDown;
export onKey = (key, options, press, release) ->
options ?= {}
element = options.Element ? document
keysDown = new Map();
element.addEventListener 'keyup', (e) ->
if e.keyCode != key
return
keysDown.set(e.keyCode, false)
if release
release e
return
// Many browsers eat keyup events if focus is lost while the button
// is pressed.
document.addEventListener('blur', function() {
return keysDown.clear();
});
element.addEventListener 'keydown', (e) ->
if e.keyCode != key
return
if e.metaKey
return
if e.shiftKey != !!options.shiftKey
return
if e.altKey != !!options.altKey
return
if e.ctrlKey != !!options.ctrlKey
return
if !options.allowRepeat && keysDown.get(e.keyCode) == true
return
keysDown.set(e.keyCode, true)
target = e.target
if !options.AllowTextAreaFields && target.tagName == 'TEXTAREA'
return
if !options.AllowInputFields && target.tagName == 'INPUT'
return
if press? && !press(e)
return
e.preventDefault()
export var onKey = function(key, options, press, release) {
var element, ref;
if (options == null) {
options = {};
}
element = (ref = options.Element) != null ? ref : document;
element.addEventListener('keyup', function(e) {
if (e.keyCode !== key) {
return;
}
keysDown.set(e.keyCode, false);
if (release) {
release(e);
}
});
return element.addEventListener('keydown', function(e) {
var target;
if (e.keyCode !== key) {
return;
}
if (e.metaKey) {
return;
}
if (e.shiftKey !== !!options.shiftKey) {
return;
}
if (e.altKey !== !!options.altKey) {
return;
}
if (e.ctrlKey !== !!options.ctrlKey) {
return;
}
if (!options.allowRepeat && keysDown.get(e.keyCode) === true) {
return;
}
keysDown.set(e.keyCode, true);
target = e.target;
if (!options.AllowTextAreaFields && target.tagName === 'TEXTAREA') {
return;
}
if (!options.AllowInputFields && target.tagName === 'INPUT') {
return;
}
if ((press != null) && !press(e)) {
return;
}
return e.preventDefault();
});
};