Files
code-server/lib/vscode/src/vs/editor/contrib/codeAction/lightBulbWidget.ts

259 lines
9.0 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as dom from 'vs/base/browser/dom';
import { GlobalMouseMoveMonitor, IStandardMouseMoveEventData, standardMouseMoveMerger } from 'vs/base/browser/globalMouseMoveMonitor';
import { Emitter } from 'vs/base/common/event';
import { Disposable } from 'vs/base/common/lifecycle';
import 'vs/css!./lightBulbWidget';
import { ContentWidgetPositionPreference, ICodeEditor, IContentWidget, IContentWidgetPosition } from 'vs/editor/browser/editorBrowser';
import { IPosition } from 'vs/editor/common/core/position';
import { TextModel } from 'vs/editor/common/model/textModel';
import { CodeActionSet } from 'vs/editor/contrib/codeAction/codeAction';
import * as nls from 'vs/nls';
import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
import { EditorOption } from 'vs/editor/common/config/editorOptions';
import { registerThemingParticipant, IColorTheme, ICssStyleCollector } from 'vs/platform/theme/common/themeService';
import { editorLightBulbForeground, editorLightBulbAutoFixForeground, editorBackground } from 'vs/platform/theme/common/colorRegistry';
import { Gesture } from 'vs/base/browser/touch';
import type { CodeActionTrigger } from 'vs/editor/contrib/codeAction/types';
import { Codicon } from 'vs/base/common/codicons';
namespace LightBulbState {
export const enum Type {
Hidden,
Showing,
}
export const Hidden = { type: Type.Hidden } as const;
export class Showing {
readonly type = Type.Showing;
constructor(
public readonly actions: CodeActionSet,
public readonly trigger: CodeActionTrigger,
public readonly editorPosition: IPosition,
public readonly widgetPosition: IContentWidgetPosition,
) { }
}
export type State = typeof Hidden | Showing;
}
export class LightBulbWidget extends Disposable implements IContentWidget {
private static readonly _posPref = [ContentWidgetPositionPreference.EXACT];
private readonly _domNode: HTMLDivElement;
private readonly _onClick = this._register(new Emitter<{ x: number; y: number; actions: CodeActionSet; trigger: CodeActionTrigger }>());
public readonly onClick = this._onClick.event;
private _state: LightBulbState.State = LightBulbState.Hidden;
constructor(
private readonly _editor: ICodeEditor,
private readonly _quickFixActionId: string,
private readonly _preferredFixActionId: string,
@IKeybindingService private readonly _keybindingService: IKeybindingService
) {
super();
this._domNode = document.createElement('div');
this._domNode.className = Codicon.lightBulb.classNames;
this._editor.addContentWidget(this);
this._register(this._editor.onDidChangeModelContent(_ => {
// cancel when the line in question has been removed
const editorModel = this._editor.getModel();
if (this.state.type !== LightBulbState.Type.Showing || !editorModel || this.state.editorPosition.lineNumber >= editorModel.getLineCount()) {
this.hide();
}
}));
Gesture.ignoreTarget(this._domNode);
this._register(dom.addStandardDisposableGenericMouseDownListner(this._domNode, e => {
if (this.state.type !== LightBulbState.Type.Showing) {
return;
}
// Make sure that focus / cursor location is not lost when clicking widget icon
this._editor.focus();
e.preventDefault();
// a bit of extra work to make sure the menu
// doesn't cover the line-text
const { top, height } = dom.getDomNodePagePosition(this._domNode);
const lineHeight = this._editor.getOption(EditorOption.lineHeight);
let pad = Math.floor(lineHeight / 3);
if (this.state.widgetPosition.position !== null && this.state.widgetPosition.position.lineNumber < this.state.editorPosition.lineNumber) {
pad += lineHeight;
}
this._onClick.fire({
x: e.posx,
y: top + height + pad,
actions: this.state.actions,
trigger: this.state.trigger,
});
}));
this._register(dom.addDisposableListener(this._domNode, 'mouseenter', (e: MouseEvent) => {
if ((e.buttons & 1) !== 1) {
return;
}
// mouse enters lightbulb while the primary/left button
// is being pressed -> hide the lightbulb and block future
// showings until mouse is released
this.hide();
const monitor = new GlobalMouseMoveMonitor<IStandardMouseMoveEventData>();
monitor.startMonitoring(<HTMLElement>e.target, e.buttons, standardMouseMoveMerger, () => { }, () => {
monitor.dispose();
});
}));
this._register(this._editor.onDidChangeConfiguration(e => {
// hide when told to do so
if (e.hasChanged(EditorOption.lightbulb) && !this._editor.getOption(EditorOption.lightbulb).enabled) {
this.hide();
}
}));
this._updateLightBulbTitleAndIcon();
this._register(this._keybindingService.onDidUpdateKeybindings(this._updateLightBulbTitleAndIcon, this));
}
dispose(): void {
super.dispose();
this._editor.removeContentWidget(this);
}
getId(): string {
return 'LightBulbWidget';
}
getDomNode(): HTMLElement {
return this._domNode;
}
getPosition(): IContentWidgetPosition | null {
return this._state.type === LightBulbState.Type.Showing ? this._state.widgetPosition : null;
}
public update(actions: CodeActionSet, trigger: CodeActionTrigger, atPosition: IPosition) {
if (actions.validActions.length <= 0) {
return this.hide();
}
const options = this._editor.getOptions();
if (!options.get(EditorOption.lightbulb).enabled) {
return this.hide();
}
const model = this._editor.getModel();
if (!model) {
return this.hide();
}
const { lineNumber, column } = model.validatePosition(atPosition);
const tabSize = model.getOptions().tabSize;
const fontInfo = options.get(EditorOption.fontInfo);
const lineContent = model.getLineContent(lineNumber);
const indent = TextModel.computeIndentLevel(lineContent, tabSize);
const lineHasSpace = fontInfo.spaceWidth * indent > 22;
const isFolded = (lineNumber: number) => {
return lineNumber > 2 && this._editor.getTopForLineNumber(lineNumber) === this._editor.getTopForLineNumber(lineNumber - 1);
};
let effectiveLineNumber = lineNumber;
if (!lineHasSpace) {
if (lineNumber > 1 && !isFolded(lineNumber - 1)) {
effectiveLineNumber -= 1;
} else if (!isFolded(lineNumber + 1)) {
effectiveLineNumber += 1;
} else if (column * fontInfo.spaceWidth < 22) {
// cannot show lightbulb above/below and showing
// it inline would overlay the cursor...
return this.hide();
}
}
this.state = new LightBulbState.Showing(actions, trigger, atPosition, {
position: { lineNumber: effectiveLineNumber, column: 1 },
preference: LightBulbWidget._posPref
});
this._editor.layoutContentWidget(this);
}
public hide(): void {
this.state = LightBulbState.Hidden;
this._editor.layoutContentWidget(this);
}
private get state(): LightBulbState.State { return this._state; }
private set state(value) {
this._state = value;
this._updateLightBulbTitleAndIcon();
}
private _updateLightBulbTitleAndIcon(): void {
if (this.state.type === LightBulbState.Type.Showing && this.state.actions.hasAutoFix) {
// update icon
this._domNode.classList.remove(...Codicon.lightBulb.classNamesArray);
this._domNode.classList.add(...Codicon.lightbulbAutofix.classNamesArray);
const preferredKb = this._keybindingService.lookupKeybinding(this._preferredFixActionId);
if (preferredKb) {
this.title = nls.localize('prefferedQuickFixWithKb', "Show Fixes. Preferred Fix Available ({0})", preferredKb.getLabel());
return;
}
}
// update icon
this._domNode.classList.remove(...Codicon.lightbulbAutofix.classNamesArray);
this._domNode.classList.add(...Codicon.lightBulb.classNamesArray);
const kb = this._keybindingService.lookupKeybinding(this._quickFixActionId);
if (kb) {
this.title = nls.localize('quickFixWithKb', "Show Fixes ({0})", kb.getLabel());
} else {
this.title = nls.localize('quickFix', "Show Fixes");
}
}
private set title(value: string) {
this._domNode.title = value;
}
}
registerThemingParticipant((theme: IColorTheme, collector: ICssStyleCollector) => {
const editorBackgroundColor = theme.getColor(editorBackground)?.transparent(0.7);
// Lightbulb Icon
const editorLightBulbForegroundColor = theme.getColor(editorLightBulbForeground);
if (editorLightBulbForegroundColor) {
collector.addRule(`
.monaco-editor .contentWidgets ${Codicon.lightBulb.cssSelector} {
color: ${editorLightBulbForegroundColor};
background-color: ${editorBackgroundColor};
}`);
}
// Lightbulb Auto Fix Icon
const editorLightBulbAutoFixForegroundColor = theme.getColor(editorLightBulbAutoFixForeground);
if (editorLightBulbAutoFixForegroundColor) {
collector.addRule(`
.monaco-editor .contentWidgets ${Codicon.lightbulbAutofix.cssSelector} {
color: ${editorLightBulbAutoFixForegroundColor};
background-color: ${editorBackgroundColor};
}`);
}
});