monaco-editor
Version:
A browser based code editor
131 lines (130 loc) • 6.21 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
}
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
import './currentLineHighlight.css';
import { DynamicViewOverlay } from '../../view/dynamicViewOverlay.js';
import { editorLineHighlight, editorLineHighlightBorder } from '../../../common/view/editorColorRegistry.js';
import { registerThemingParticipant } from '../../../../platform/theme/common/themeService.js';
var CurrentLineHighlightOverlay = /** @class */ (function (_super) {
__extends(CurrentLineHighlightOverlay, _super);
function CurrentLineHighlightOverlay(context) {
var _this = _super.call(this) || this;
_this._context = context;
_this._lineHeight = _this._context.configuration.editor.lineHeight;
_this._renderLineHighlight = _this._context.configuration.editor.viewInfo.renderLineHighlight;
_this._selectionIsEmpty = true;
_this._primaryCursorLineNumber = 1;
_this._scrollWidth = 0;
_this._contentWidth = _this._context.configuration.editor.layoutInfo.contentWidth;
_this._context.addEventHandler(_this);
return _this;
}
CurrentLineHighlightOverlay.prototype.dispose = function () {
this._context.removeEventHandler(this);
_super.prototype.dispose.call(this);
};
// --- begin event handlers
CurrentLineHighlightOverlay.prototype.onConfigurationChanged = function (e) {
if (e.lineHeight) {
this._lineHeight = this._context.configuration.editor.lineHeight;
}
if (e.viewInfo) {
this._renderLineHighlight = this._context.configuration.editor.viewInfo.renderLineHighlight;
}
if (e.layoutInfo) {
this._contentWidth = this._context.configuration.editor.layoutInfo.contentWidth;
}
return true;
};
CurrentLineHighlightOverlay.prototype.onCursorStateChanged = function (e) {
var hasChanged = false;
var primaryCursorLineNumber = e.selections[0].positionLineNumber;
if (this._primaryCursorLineNumber !== primaryCursorLineNumber) {
this._primaryCursorLineNumber = primaryCursorLineNumber;
hasChanged = true;
}
var selectionIsEmpty = e.selections[0].isEmpty();
if (this._selectionIsEmpty !== selectionIsEmpty) {
this._selectionIsEmpty = selectionIsEmpty;
hasChanged = true;
return true;
}
return hasChanged;
};
CurrentLineHighlightOverlay.prototype.onFlushed = function (e) {
return true;
};
CurrentLineHighlightOverlay.prototype.onLinesDeleted = function (e) {
return true;
};
CurrentLineHighlightOverlay.prototype.onLinesInserted = function (e) {
return true;
};
CurrentLineHighlightOverlay.prototype.onScrollChanged = function (e) {
return e.scrollWidthChanged;
};
CurrentLineHighlightOverlay.prototype.onZonesChanged = function (e) {
return true;
};
// --- end event handlers
CurrentLineHighlightOverlay.prototype.prepareRender = function (ctx) {
this._scrollWidth = ctx.scrollWidth;
};
CurrentLineHighlightOverlay.prototype.render = function (startLineNumber, lineNumber) {
if (lineNumber === this._primaryCursorLineNumber) {
if (this._shouldShowCurrentLine()) {
var paintedInMargin = this._willRenderMarginCurrentLine();
var className = 'current-line' + (paintedInMargin ? ' current-line-both' : '');
return ('<div class="'
+ className
+ '" style="width:'
+ String(Math.max(this._scrollWidth, this._contentWidth))
+ 'px; height:'
+ String(this._lineHeight)
+ 'px;"></div>');
}
else {
return '';
}
}
return '';
};
CurrentLineHighlightOverlay.prototype._shouldShowCurrentLine = function () {
return ((this._renderLineHighlight === 'line' || this._renderLineHighlight === 'all')
&& this._selectionIsEmpty);
};
CurrentLineHighlightOverlay.prototype._willRenderMarginCurrentLine = function () {
return ((this._renderLineHighlight === 'gutter' || this._renderLineHighlight === 'all'));
};
return CurrentLineHighlightOverlay;
}(DynamicViewOverlay));
export { CurrentLineHighlightOverlay };
registerThemingParticipant(function (theme, collector) {
var lineHighlight = theme.getColor(editorLineHighlight);
if (lineHighlight) {
collector.addRule(".monaco-editor .view-overlays .current-line { background-color: " + lineHighlight + "; }");
}
if (!lineHighlight || lineHighlight.isTransparent() || theme.defines(editorLineHighlightBorder)) {
var lineHighlightBorder = theme.getColor(editorLineHighlightBorder);
if (lineHighlightBorder) {
collector.addRule(".monaco-editor .view-overlays .current-line { border: 2px solid " + lineHighlightBorder + "; }");
if (theme.type === 'hc') {
collector.addRule(".monaco-editor .view-overlays .current-line { border-width: 1px; }");
}
}
}
});