Mercurial
diff .cms/lib/codemirror/src/input/input.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /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 +}