--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.cms/lib/codemirror/src/input/input.js	Fri Oct 11 22:40:23 2024 +0000
@@ -0,0 +1,134 @@
+import { runInOp } from "../display/operations.js"
+import { ensureCursorVisible } from "../display/scrolling.js"
+import { Pos } from "../line/pos.js"
+import { getLine } from "../line/utils_line.js"
+import { makeChange } from "../model/changes.js"
+import { ios, webkit } from "../util/browser.js"
+import { elt } from "../util/dom.js"
+import { lst, map } from "../util/misc.js"
+import { signalLater } from "../util/operation_group.js"
+import { splitLinesAuto } from "../util/feature_detection.js"
+
+import { indentLine } from "./indent.js"
+
+// This will be set to a {lineWise: bool, text: [string]} object, so
+// that, when pasting, we know what kind of selections the copied
+// text was made out of.
+export let lastCopied = null
+
+export function setLastCopied(newLastCopied) {
+  lastCopied = newLastCopied
+}
+
+export function applyTextInput(cm, inserted, deleted, sel, origin) {
+  let doc = cm.doc
+  cm.display.shift = false
+  if (!sel) sel = doc.sel
+
+  let recent = +new Date - 200
+  let paste = origin == "paste" || cm.state.pasteIncoming > recent
+  let textLines = splitLinesAuto(inserted), multiPaste = null
+  // When pasting N lines into N selections, insert one line per selection
+  if (paste && sel.ranges.length > 1) {
+    if (lastCopied && lastCopied.text.join("\n") == inserted) {
+      if (sel.ranges.length % lastCopied.text.length == 0) {
+        multiPaste = []
+        for (let i = 0; i < lastCopied.text.length; i++)
+          multiPaste.push(doc.splitLines(lastCopied.text[i]))
+      }
+    } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
+      multiPaste = map(textLines, l => [l])
+    }
+  }
+
+  let updateInput = cm.curOp.updateInput
+  // Normal behavior is to insert the new text into every selection
+  for (let i = sel.ranges.length - 1; i >= 0; i--) {
+    let range = sel.ranges[i]
+    let from = range.from(), to = range.to()
+    if (range.empty()) {
+      if (deleted && deleted > 0) // Handle deletion
+        from = Pos(from.line, from.ch - deleted)
+      else if (cm.state.overwrite && !paste) // Handle overwrite
+        to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length))
+      else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n"))
+        from = to = Pos(from.line, 0)
+    }
+    let changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
+                       origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")}
+    makeChange(cm.doc, changeEvent)
+    signalLater(cm, "inputRead", cm, changeEvent)
+  }
+  if (inserted && !paste)
+    triggerElectric(cm, inserted)
+
+  ensureCursorVisible(cm)
+  if (cm.curOp.updateInput < 2) cm.curOp.updateInput = updateInput
+  cm.curOp.typing = true
+  cm.state.pasteIncoming = cm.state.cutIncoming = -1
+}
+
+export function handlePaste(e, cm) {
+  let pasted = e.clipboardData && e.clipboardData.getData("Text")
+  if (pasted) {
+    e.preventDefault()
+    if (!cm.isReadOnly() && !cm.options.disableInput && cm.hasFocus())
+      runInOp(cm, () => applyTextInput(cm, pasted, 0, null, "paste"))
+    return true
+  }
+}
+
+export function triggerElectric(cm, inserted) {
+  // When an 'electric' character is inserted, immediately trigger a reindent
+  if (!cm.options.electricChars || !cm.options.smartIndent) return
+  let sel = cm.doc.sel
+
+  for (let i = sel.ranges.length - 1; i >= 0; i--) {
+    let range = sel.ranges[i]
+    if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue
+    let mode = cm.getModeAt(range.head)
+    let indented = false
+    if (mode.electricChars) {
+      for (let j = 0; j < mode.electricChars.length; j++)
+        if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
+          indented = indentLine(cm, range.head.line, "smart")
+          break
+        }
+    } else if (mode.electricInput) {
+      if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
+        indented = indentLine(cm, range.head.line, "smart")
+    }
+    if (indented) signalLater(cm, "electricInput", cm, range.head.line)
+  }
+}
+
+export function copyableRanges(cm) {
+  let text = [], ranges = []
+  for (let i = 0; i < cm.doc.sel.ranges.length; i++) {
+    let line = cm.doc.sel.ranges[i].head.line
+    let lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}
+    ranges.push(lineRange)
+    text.push(cm.getRange(lineRange.anchor, lineRange.head))
+  }
+  return {text: text, ranges: ranges}
+}
+
+export function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {
+  field.setAttribute("autocorrect", autocorrect ? "on" : "off")
+  field.setAttribute("autocapitalize", autocapitalize ? "on" : "off")
+  field.setAttribute("spellcheck", !!spellcheck)
+}
+
+export function hiddenTextarea() {
+  let te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; min-height: 1em; outline: none")
+  let div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;")
+  // The textarea is kept positioned near the cursor to prevent the
+  // fact that it'll be scrolled into view on input from scrolling
+  // our fake cursor out of view. On webkit, when wrap=off, paste is
+  // very slow. So make the area wide instead.
+  if (webkit) te.style.width = "1000px"
+  else te.setAttribute("wrap", "off")
+  // If border: 0; -- iOS fails to open keyboard (issue #1287)
+  if (ios) te.style.border = "1px solid black"
+  return div
+}