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File Name : key_events.js

import { signalLater } from "../util/operation_group.js"
import { restartBlink } from "../display/selection.js"
import { isModifierKey, keyName, lookupKey } from "../input/keymap.js"
import { eventInWidget } from "../measurement/widgets.js"
import { ie, ie_version, mac, presto, gecko } from "../util/browser.js"
import { activeElt, addClass, rmClass, root } from "../util/dom.js"
import { e_preventDefault, off, on, signalDOMEvent } from "../util/event.js"
import { hasCopyEvent } from "../util/feature_detection.js"
import { Delayed, Pass } from "../util/misc.js"

import { commands } from "./commands.js"

// Run a handler that was bound to a key.
function doHandleBinding(cm, bound, dropShift) {
  if (typeof bound == "string") {
    bound = commands[bound]
    if (!bound) return false
  }
  // Ensure previous input has been read, so that the handler sees a
  // consistent view of the document
  cm.display.input.ensurePolled()
  let prevShift = cm.display.shift, done = false
  try {
    if (cm.isReadOnly()) cm.state.suppressEdits = true
    if (dropShift) cm.display.shift = false
    done = bound(cm) != Pass
  } finally {
    cm.display.shift = prevShift
    cm.state.suppressEdits = false
  }
  return done
}

function lookupKeyForEditor(cm, name, handle) {
  for (let i = 0; i < cm.state.keyMaps.length; i++) {
    let result = lookupKey(name, cm.state.keyMaps[i], handle, cm)
    if (result) return result
  }
  return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
    || lookupKey(name, cm.options.keyMap, handle, cm)
}

// Note that, despite the name, this function is also used to check
// for bound mouse clicks.

let stopSeq = new Delayed

export function dispatchKey(cm, name, e, handle) {
  let seq = cm.state.keySeq
  if (seq) {
    if (isModifierKey(name)) return "handled"
    if (/\'$/.test(name))
      cm.state.keySeq = null
    else
      stopSeq.set(50, () => {
        if (cm.state.keySeq == seq) {
          cm.state.keySeq = null
          cm.display.input.reset()
        }
      })
    if (dispatchKeyInner(cm, seq + " " + name, e, handle)) return true
  }
  return dispatchKeyInner(cm, name, e, handle)
}

function dispatchKeyInner(cm, name, e, handle) {
  let result = lookupKeyForEditor(cm, name, handle)

if (result == "multi")
    cm.state.keySeq = name
  if (result == "handled")
    signalLater(cm, "keyHandled", cm, name, e)

if (result == "handled" || result == "multi") {
    e_preventDefault(e)
    restartBlink(cm)
  }

return !!result
}

// Handle a key from the keydown event.
function handleKeyBinding(cm, e) {
  let name = keyName(e, true)
  if (!name) return false

if (e.shiftKey && !cm.state.keySeq) {
    // First try to resolve full name (including 'Shift-'). Failing
    // that, see if there is a cursor-motion command (starting with
    // 'go') bound to the keyname without 'Shift-'.
    return dispatchKey(cm, "Shift-" + name, e, b => doHandleBinding(cm, b, true))
        || dispatchKey(cm, name, e, b => {
             if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
               return doHandleBinding(cm, b)
           })
  } else {
    return dispatchKey(cm, name, e, b => doHandleBinding(cm, b))
  }
}

// Handle a key from the keypress event
function handleCharBinding(cm, e, ch) {
  return dispatchKey(cm, "'" + ch + "'", e, b => doHandleBinding(cm, b, true))
}

let lastStoppedKey = null
export function onKeyDown(e) {
  let cm = this
  if (e.target && e.target != cm.display.input.getField()) return
  cm.curOp.focus = activeElt(root(cm))
  if (signalDOMEvent(cm, e)) return
  // IE does strange things with escape.
  if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false
  let code = e.keyCode
  cm.display.shift = code == 16 || e.shiftKey
  let handled = handleKeyBinding(cm, e)
  if (presto) {
    lastStoppedKey = handled ? code : null
    // Opera has no cut event... we try to at least catch the key combo
    if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
      cm.replaceSelection("", null, "cut")
  }
  if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand)
    document.execCommand("cut")

// Turn mouse into crosshair when Alt is held on Mac.
  if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
    showCrossHair(cm)
}

function showCrossHair(cm) {
  let lineDiv = cm.display.lineDiv
  addClass(lineDiv, "CodeMirror-crosshair")

function up(e) {
    if (e.keyCode == 18 || !e.altKey) {
      rmClass(lineDiv, "CodeMirror-crosshair")
      off(document, "keyup", up)
      off(document, "mouseover", up)
    }
  }
  on(document, "keyup", up)
  on(document, "mouseover", up)
}

export function onKeyUp(e) {
  if (e.keyCode == 16) this.doc.sel.shift = false
  signalDOMEvent(this, e)
}

export function onKeyPress(e) {
  let cm = this
  if (e.target && e.target != cm.display.input.getField()) return
  if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return
  let keyCode = e.keyCode, charCode = e.charCode
  if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
  if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return
  let ch = String.fromCharCode(charCode == null ? keyCode : charCode)
  // Some browsers fire keypress events for backspace
  if (ch == "\x08") return
  if (handleCharBinding(cm, e, ch)) return
  cm.display.input.onKeyPress(e)
}

System Information
*ReClick For Close
File : BlackDragon /acciones/about.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:56
..	dir	-	bienesraicess/bienesraicess	0755	2025-09-01 07:15:54
CodeMirror.js	file	8.42 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:52
commands.js	file	7.33 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:52
deleteNearSelection.js	file	1.03 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:52
drop_events.js	file	5.01 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:52
fromTextArea.js	file	1.97 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
global_events.js	file	1.41 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
key_events.js	file	5.39 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
legacy.js	file	2.52 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
main.js	file	2.02 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
methods.js	file	21.74 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
mouse_events.js	file	15.63 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:53
options.js	file	7.09 KB	bienesraicess/bienesraicess	0644	2025-09-01 07:15:54
utils.js	file	270 B	bienesraicess/bienesraicess	0644	2025-09-01 07:15:56