xrsh-com/com/isoterminal/feat/xterm.js

62 lines
2.3 KiB
JavaScript
Raw Normal View History

ISOTerminal.addEventListener('init', function(){
if( typeof Terminal != 'undefined' ) this.xtermInit()
})
ISOTerminal.prototype.xtermInit = function(){
let isoterm = this
// monkeypatch Xterm (which V86 initializes) so we can add our own constructor args
window._Terminal = window.Terminal
window.Terminal = function(opts){
const term = new window._Terminal({ ...opts,
cursorBlink:true,
onSelectionChange: function(e){
debugger
}
})
term.onSelectionChange( () => {
document.execCommand('copy')
term.select(0, 0, 0)
isoterm.emit('status','copied to clipboard')
})
return term
}
this.addEventListener('emulator-started', function(){
this.emulator.serial_adapter.term.element.querySelector('.xterm-viewport').style.background = 'transparent'
})
}
ISOTerminal.prototype.xtermAutoResize = function(term,instance,rowoffset){
if( !term.element ) return
const defaultScrollWidth = 24;
const MINIMUM_COLS = 2;
const MINIMUM_ROWS = 2;
const dims = term._core._renderService.dimensions;
const scrollbarWidth = (term.options.scrollback === 0
? 0
: (term.options.overviewRuler?.width || defaultScrollWidth ));
const parentElementStyle = window.getComputedStyle(instance.dom);
const parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height'));
const parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')));
const elementStyle = window.getComputedStyle(term.element);
const elementPadding = {
top: parseInt(elementStyle.getPropertyValue('padding-top')),
bottom: parseInt(elementStyle.getPropertyValue('padding-bottom')),
right: parseInt(elementStyle.getPropertyValue('padding-right')),
left: parseInt(elementStyle.getPropertyValue('padding-left'))
};
const elementPaddingVer = elementPadding.top + elementPadding.bottom;
const elementPaddingHor = elementPadding.right + elementPadding.left;
const availableHeight = parentElementHeight - elementPaddingVer;
const availableWidth = parentElementWidth - elementPaddingHor - scrollbarWidth;
const geometry = {
cols: Math.max(MINIMUM_COLS, Math.floor(availableWidth / dims.css.cell.width)),
rows: Math.max(MINIMUM_ROWS, Math.floor(availableHeight / dims.css.cell.height))
};
term.resize(geometry.cols, geometry.rows + (rowoffset||0) );
}