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Use css variables for editor scrollbar #165464

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15 changes: 15 additions & 0 deletions src/vs/base/browser/ui/scrollbar/media/scrollbars.css
Expand Up @@ -36,18 +36,33 @@
left: 3px;
height: 3px;
width: 100%;
box-shadow: var(--vscode-scrollbar-shadow) 0 6px 6px -6px inset;
}
.monaco-scrollable-element > .shadow.left {
display: block;
top: 3px;
left: 0;
height: 100%;
width: 3px;
box-shadow: var(--vscode-scrollbar-shadow) 6px 0 6px -6px inset;
}
.monaco-scrollable-element > .shadow.top-left-corner {
display: block;
top: 0;
left: 0;
height: 3px;
width: 3px;
box-shadow: var(--vscode-scrollbar-shadow) 6px 0 6px -6px inset;
}

.monaco-scrollable-element > .scrollbar > .slider {
background: var(--vscode-scrollbarSlider-background);
}

.monaco-scrollable-element > .scrollbar > .slider:hover {
background: var(--vscode-scrollbarSlider-hoverBackground);
}

.monaco-scrollable-element > .scrollbar > .slider.active {
background: var(--vscode-scrollbarSlider-activeBackground);
}
Expand Up @@ -12,10 +12,8 @@ import { INewScrollPosition, ScrollType } from 'vs/editor/common/editorCommon';
import { RenderingContext, RestrictedRenderingContext } from 'vs/editor/browser/view/renderingContext';
import { ViewContext } from 'vs/editor/common/viewModel/viewContext';
import * as viewEvents from 'vs/editor/common/viewEvents';
import { registerThemingParticipant, getThemeTypeSelector } from 'vs/platform/theme/common/themeService';
import { getThemeTypeSelector } from 'vs/platform/theme/common/themeService';
import { EditorOption } from 'vs/editor/common/config/editorOptions';
import { scrollbarShadow, scrollbarSliderActiveBackground, scrollbarSliderBackground, scrollbarSliderHoverBackground } from 'vs/platform/theme/common/colorRegistry';

export class EditorScrollbar extends ViewPart {

private readonly scrollbar: SmoothScrollableElement;
Expand Down Expand Up @@ -180,51 +178,3 @@ export class EditorScrollbar extends ViewPart {
this.scrollbar.renderNow();
}
}

registerThemingParticipant((theme, collector) => {

// Scrollbars
const scrollbarShadowColor = theme.getColor(scrollbarShadow);
if (scrollbarShadowColor) {
collector.addRule(`
.monaco-scrollable-element > .shadow.top {
box-shadow: ${scrollbarShadowColor} 0 6px 6px -6px inset;
}

.monaco-scrollable-element > .shadow.left {
box-shadow: ${scrollbarShadowColor} 6px 0 6px -6px inset;
}

.monaco-scrollable-element > .shadow.top.left {
box-shadow: ${scrollbarShadowColor} 6px 6px 6px -6px inset;
}
`);
}

const scrollbarSliderBackgroundColor = theme.getColor(scrollbarSliderBackground);
if (scrollbarSliderBackgroundColor) {
collector.addRule(`
.monaco-scrollable-element > .scrollbar > .slider {
background: ${scrollbarSliderBackgroundColor};
}
`);
}

const scrollbarSliderHoverBackgroundColor = theme.getColor(scrollbarSliderHoverBackground);
if (scrollbarSliderHoverBackgroundColor) {
collector.addRule(`
.monaco-scrollable-element > .scrollbar > .slider:hover {
background: ${scrollbarSliderHoverBackgroundColor};
}
`);
}

const scrollbarSliderActiveBackgroundColor = theme.getColor(scrollbarSliderActiveBackground);
if (scrollbarSliderActiveBackgroundColor) {
collector.addRule(`
.monaco-scrollable-element > .scrollbar > .slider.active {
background: ${scrollbarSliderActiveBackgroundColor};
}
`);
}
});