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/**
* Copyright (c) 2016 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { ISelectionService } from 'browser/services/Services';
import { ICoreService } from 'common/services/Services';
/**
* Prepares text to be pasted into the terminal by normalizing the line endings
* @param text The pasted text that needs processing before inserting into the terminal
*/
export function prepareTextForTerminal(text: string): string {
return text.replace(/\r?\n/g, '\r');
}
/**
* Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste
* @param text The pasted text to bracket
*/
export function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {
if (bracketedPasteMode) {
return '\x1b[200~' + text + '\x1b[201~';
}
return text;
}
/**
* Binds copy functionality to the given terminal.
* @param ev The original copy event to be handled
*/
export function copyHandler(ev: ClipboardEvent, selectionService: ISelectionService): void {
if (ev.clipboardData) {
ev.clipboardData.setData('text/plain', selectionService.selectionText);
}
// Prevent or the original text will be copied.
ev.preventDefault();
}
/**
* Redirect the clipboard's data to the terminal's input handler.
* @param ev The original paste event to be handled
* @param term The terminal on which to apply the handled paste event
*/
export function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, coreService: ICoreService): void {
ev.stopPropagation();
if (ev.clipboardData) {
const text = ev.clipboardData.getData('text/plain');
paste(text, textarea, coreService);
}
}
export function paste(text: string, textarea: HTMLTextAreaElement, coreService: ICoreService): void {
text = prepareTextForTerminal(text);
text = bracketTextForPaste(text, coreService.decPrivateModes.bracketedPasteMode);
coreService.triggerDataEvent(text, true);
textarea.value = '';
}
/**
* Moves the textarea under the mouse cursor and focuses it.
* @param ev The original right click event to be handled.
* @param textarea The terminal's textarea.
*/
export function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement): void {
// Calculate textarea position relative to the screen element
const pos = screenElement.getBoundingClientRect();
const left = ev.clientX - pos.left - 10;
const top = ev.clientY - pos.top - 10;
// Bring textarea at the cursor position
textarea.style.width = '20px';
textarea.style.height = '20px';
textarea.style.left = `${left}px`;
textarea.style.top = `${top}px`;
textarea.style.zIndex = '1000';
textarea.focus();
}
/**
* Bind to right-click event and allow right-click copy and paste.
* @param ev The original right click event to be handled.
* @param textarea The terminal's textarea.
* @param selectionService The terminal's selection manager.
* @param shouldSelectWord If true and there is no selection the current word will be selected
*/
export function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement, selectionService: ISelectionService, shouldSelectWord: boolean): void {
moveTextAreaUnderMouseCursor(ev, textarea, screenElement);
if (shouldSelectWord) {
selectionService.rightClickSelect(ev);
}
// Get textarea ready to copy from the context menu
textarea.value = selectionService.selectionText;
textarea.select();
}
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