107 lines
3.1 KiB
TypeScript
107 lines
3.1 KiB
TypeScript
/**
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* Clipboard handler module: exports methods for handling all clipboard-related events in the
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* terminal.
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* @module xterm/handlers/Clipboard
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* @license MIT
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*/
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import { ITerminal, ISelectionManager } from '../Interfaces';
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interface IWindow extends Window {
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clipboardData?: {
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getData(format: string): string;
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setData(format: string, data: string);
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};
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}
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declare var window: IWindow;
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/**
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* Prepares text to be pasted into the terminal by normalizing the line endings
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* @param text The pasted text that needs processing before inserting into the terminal
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*/
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export function prepareTextForTerminal(text: string, isMSWindows: boolean): string {
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if (isMSWindows) {
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return text.replace(/\r?\n/g, '\r');
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}
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return text;
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}
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/**
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* Binds copy functionality to the given terminal.
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* @param {ClipboardEvent} ev The original copy event to be handled
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*/
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export function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager) {
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if (term.browser.isMSIE) {
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window.clipboardData.setData('Text', selectionManager.selectionText);
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} else {
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ev.clipboardData.setData('text/plain', selectionManager.selectionText);
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}
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// Prevent or the original text will be copied.
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ev.preventDefault();
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}
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/**
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* Redirect the clipboard's data to the terminal's input handler.
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* @param {ClipboardEvent} ev The original paste event to be handled
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* @param {Terminal} term The terminal on which to apply the handled paste event
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*/
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export function pasteHandler(ev: ClipboardEvent, term: ITerminal) {
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ev.stopPropagation();
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let text: string;
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let dispatchPaste = function(text) {
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text = prepareTextForTerminal(text, term.browser.isMSWindows);
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term.handler(text);
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term.textarea.value = '';
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term.emit('paste', text);
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return term.cancel(ev);
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};
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if (term.browser.isMSIE) {
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if (window.clipboardData) {
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text = window.clipboardData.getData('Text');
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dispatchPaste(text);
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}
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} else {
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if (ev.clipboardData) {
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text = ev.clipboardData.getData('text/plain');
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dispatchPaste(text);
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}
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}
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}
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/**
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* Bind to right-click event and allow right-click copy and paste.
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* @param ev The original right click event to be handled
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* @param term The terminal on which to apply the handled paste event
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* @param selectionManager The terminal's selection manager.
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*/
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export function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, selectionManager: ISelectionManager) {
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// Bring textarea at the cursor position
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textarea.style.position = 'fixed';
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textarea.style.width = '20px';
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textarea.style.height = '20px';
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textarea.style.left = (ev.clientX - 10) + 'px';
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textarea.style.top = (ev.clientY - 10) + 'px';
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textarea.style.zIndex = '1000';
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// Get textarea ready to copy from the context menu
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textarea.value = selectionManager.selectionText;
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textarea.focus();
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textarea.select();
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// Reset the terminal textarea's styling
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setTimeout(function () {
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textarea.style.position = null;
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textarea.style.width = null;
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textarea.style.height = null;
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textarea.style.left = null;
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textarea.style.top = null;
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textarea.style.zIndex = null;
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}, 4);
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}
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