Baseline Widely available *
KeyboardEvent.getModifierState()
ã¡ã½ããã¯ãæå®ããã修飾ãã¼ã®ç¾å¨ã®ç¶æ
ãè¿ãã¾ãã修飾ãã¼ãæå¹ãªå ´åï¼ããªãã¡ä¿®é£¾ãã¼ãæ¼ããã¦ãããããã¯ããã¦ããå ´åï¼ã¯ true
ãããã§ãªããã° false
ã«ãªãã¾ãã
key
修飾ãã¼ã®å¤ãå¤ã¯ä¿®é£¾ãã¼ã表ã KeyboardEvent.key
å¤ã®ãããããã¾ãã¯æåå "Accel"
鿍奍; ã§ãªããã°ãªãã¾ãããããã¯å¤§æåã¨å°æåãåºå¥ãã¾ãã
è«çå¤ã§ãã
Firefox ã§ã®ä¿®é£¾ãã¼Firefox ã§ getModifierState()
ã true ãè¿ãã¨ãã§ãã
"Alt"
Alt ãã¼ã AltGr ãã¼ãæ¼ããã¦ãã Alt ãã¼ãæ¼ããã¦ãã ⥠Option ãã¼ãæ¼ããã¦ãã Alt ãã¼ã option ãã¼ãæ¼ããã¦ãã "AltGraph"
Alt 㨠Ctrl ã®ä¸¡æ¹ã®ãã¼ãæ¼ããã¦ãããã¾ã㯠AltGr ãã¼ãæ¼ããã¦ãã
Level 3 Shift ãã¼ï¼ã¾ã㯠Level 5 Shift ãã¼ï¼ãæ¼ããã¦ãã ⥠Option ãã¼ãæ¼ããã¦ãã â æªå¯¾å¿ â æªå¯¾å¿"CapsLock"
⪠Caps Lock ã® LED ããªã³ã«ãªã£ã¦ããé â æªå¯¾å¿ CapsLock ãããã¯ããã¦ããé "Control"
Ctrl ãã¼ã AltGr ãã¼ãæ¼ããã¦ãã Ctrl ãã¼ãæ¼ããã¦ãã control ãã¼ãæ¼ããã¦ãã menu ãã¼ãæ¼ããã¦ãã Ctrl ãã¼ã control ãã¼ã menu ãã¼ã®ä½ãããæ¼ããã¦ãã "Fn"
â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ Function ãã¼ãæ¼ããã¦ããããã©ã®ãã¼ãä¿®é£¾ç¶æ
ãã¢ã¯ãã£ãã«ããã®ããåãããªãã Mac ã®ãã¼ãã¼ãã® Fn ãã¼ã§ã¯ããã®ã¢ã¯ãã£ããªç¶æ
ã¯çºçãã¾ããã "FnLock"
â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ "Hyper"
â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ "Meta"
â Windows ãã´ ãã¼ãæ¼ããã¦ããï¼Firefox 118 以éï¼ Meta ãã¼ãæ¼ããã¦ãã â Command ãã¼ãæ¼ããã¦ãã â æªå¯¾å¿ â Windows ãã´ ãã¼ã¾ã㯠command ãã¼ãæ¼ããã¦ãã "NumLock"
Num Lock ã® LED ããªã³ã«ãªã£ã¦ããé A key on numpad pressed â æªå¯¾å¿ NumLock ãããã¯ããã¦ããé "OS"
â Windows ãã´ ãã¼ãæ¼ããã¦ããï¼Firefox 118 ããåï¼ Super ãã¼ã¾ã㯠Hyper ãã¼ãæ¼ããã¦ããï¼ãµã¤ãã â Windows ãã´ ãã¼ã«å²ãå½ã¦ããã¦ããï¼ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ "ScrollLock"
Scroll Lock ã® LED ããªã³ã«ãªã£ã¦ããé Scroll Lock ã® LED ããªã³ã«ãªã£ã¦ããéããã ããµã¤ãã¯ãã©ãããã©ã¼ã ã対å¿ãã¦ããªã â æªå¯¾å¿ â æªå¯¾å¿ ScrollLock ãããã¯ããã¦ããé "Shift"
â§ Shift ãã¼ãæ¼ããã¦ãã "Super"
â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ "Symbol"
â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ "SymbolLock"
â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿ â æªå¯¾å¿
"FnLock"
ã"Hyper"
ã"Super"
ã"Symbol"
ãé¤ãï¼ã¯ã Firefox ã¯ä¿¡é ¼ãããªãã¤ãã³ãã«å¯¾ãã¦å¸¸ã«å¯¾å¿ãã¾ãã ããã¯ãã©ãããã©ã¼ã ã«ä¾åãã¾ããã"Accel"
ä»®æ³ä¿®é£¾å
ã¡ã¢: "Accel"
ä»®æ³ä¿®é£¾åã¯ã DOM3 Events 仿§ã®ç¾å¨ã®ãã©ããã§ã¯ãäºå®ä¸éæ¨å¥¨ã¨ããã¦ãã¾ãã
getModifierState()
㯠"Accel"
ã¨ããååã®éæ¨å¥¨ã®ä»®æ³ä¿®é£¾åãåãå
¥ãã¾ããevent.getModifierState("Accel")
㯠KeyboardEvent.ctrlKey
ã¾ã㯠KeyboardEvent.metaKey
ã®å°ãªãã¨ãã©ã¡ããã true
ã§ããå ´åã« true
ãè¿ãã¾ãã
å¤ãå®è£
ãå¤ã仿§ã§ã¯ãã·ã§ã¼ãã«ãããã¼ã®ä»£è¡¨çãªä¿®é£¾ãã¼ã§ä¿®é£¾ããã¦ããã¨ãã« true
ãè¿ãã¦ãã¾ãããä¾ãã°ã Windows ã§ã¯ã Ctrl ãã¼ãæ¼ãã¨ãtrue
ãè¿ããã¨ãããã¾ãã ãããã Mac ã§ã¯ã â Command ãã¼ãæ¼ãã¨ã true
ãè¿ãããããã¾ããã ã©ã®ä¿®é£¾ãã¼ã§ true ãè¿ããã¯ããã©ãããã©ã¼ã ããã©ã¦ã¶ã¼ãã¦ã¼ã¶ã¼ã®è¨å®ã«ä¾åãããã¨ã«æ³¨æãã¦ãã ãããä¾ãã°ã Firefox ã®å ´åã "ui.key.accelKey"
ã¨ããè¨å®é
ç®ã§ã«ã¹ã¿ãã¤ãºãããã¨ãã§ãã¾ãã
function handleKeyboardEvent(event) {
// Ignore if following modifier is active.
if (
event.getModifierState("Fn") ||
event.getModifierState("Hyper") ||
event.getModifierState("OS") ||
event.getModifierState("Super") ||
event.getModifierState("Win") /* hack for IE */
) {
return;
}
// Also ignore if two or more modifiers except Shift are active.
if (
event.getModifierState("Control") +
event.getModifierState("Alt") +
event.getModifierState("Meta") >
1
) {
return;
}
// Handle shortcut key with standard modifier
if (event.getModifierState("Accel")) {
switch (event.key.toLowerCase()) {
case "c":
if (event.getModifierState("Shift")) {
// Handle Accel + Shift + C
event.preventDefault(); // consume the key event
}
break;
case "k":
if (!event.getModifierState("Shift")) {
// Handle Accel + K
event.preventDefault(); // consume the key event
}
break;
}
return;
}
// Do something different for arrow keys if ScrollLock is locked.
if (
(event.getModifierState("ScrollLock") ||
event.getModifierState("Scroll")) /* hack for IE */ &&
!event.getModifierState("Control") &&
!event.getModifierState("Alt") &&
!event.getModifierState("Meta")
) {
switch (event.key) {
case "ArrowDown":
case "Down": // hack for IE and old Firefox
event.preventDefault(); // consume the key event
break;
case "ArrowLeft":
case "Left": // hack for IE and old Firefox
// Do something different if ScrollLock is locked.
event.preventDefault(); // consume the key event
break;
case "ArrowRight":
case "Right": // hack for IE and old Firefox
// Do something different if ScrollLock is locked.
event.preventDefault(); // consume the key event
break;
case "ArrowUp":
case "Up": // hack for IE and old Firefox
// Do something different if ScrollLock is locked.
event.preventDefault(); // consume the key event
break;
}
}
}
ã¡ã¢: ãã®ä¾ã¯ .getModifierState()
ã "Alt"
, "Control"
, "Meta"
, "Shift"
ã§ä½¿ç¨ãã¦ãã¾ããã event.altKey
, event.ctrlKey
, event.metaKey
, event.shiftKey
ã®æ¹ããããå§ãã§ãã
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