Checkbox is hard to see in dark mode on selected file change node in tree view (microsoft#165556)

Fixes microsoft#163881

Author: alexr00

src/vs/platform/theme/common/colorRegistry.ts

@@ -265,10 +265,6 @@ export const selectListBackground = registerColor('dropdown.listBackground', { d
 export const selectForeground = registerColor('dropdown.foreground', { dark: '#F0F0F0', light: null, hcDark: Color.white, hcLight: foreground }, nls.localize('dropdownForeground', "Dropdown foreground."));
 export const selectBorder = registerColor('dropdown.border', { dark: selectBackground, light: '#CECECE', hcDark: contrastBorder, hcLight: contrastBorder }, nls.localize('dropdownBorder', "Dropdown border."));
 
-export const checkboxBackground = registerColor('checkbox.background', { dark: selectBackground, light: selectBackground, hcDark: selectBackground, hcLight: selectBackground }, nls.localize('checkbox.background', "Background color of checkbox widget."));
-export const checkboxForeground = registerColor('checkbox.foreground', { dark: selectForeground, light: selectForeground, hcDark: selectForeground, hcLight: selectForeground }, nls.localize('checkbox.foreground', "Foreground color of checkbox widget."));
-export const checkboxBorder = registerColor('checkbox.border', { dark: selectBorder, light: selectBorder, hcDark: selectBorder, hcLight: selectBorder }, nls.localize('checkbox.border', "Border color of checkbox widget."));
-
 export const buttonForeground = registerColor('button.foreground', { dark: Color.white, light: Color.white, hcDark: Color.white, hcLight: Color.white }, nls.localize('buttonForeground', "Button foreground color."));
 export const buttonSeparator = registerColor('button.separator', { dark: transparent(buttonForeground, .4), light: transparent(buttonForeground, .4), hcDark: transparent(buttonForeground, .4), hcLight: transparent(buttonForeground, .4) }, nls.localize('buttonSeparator', "Button separator color."));
 export const buttonBackground = registerColor('button.background', { dark: '#0E639C', light: '#007ACC', hcDark: null, hcLight: '#0F4A85' }, nls.localize('buttonBackground', "Button background color."));
@@ -462,6 +458,15 @@ export const tableColumnsBorder = registerColor('tree.tableColumnsBorder', { dar
 export const tableOddRowsBackgroundColor = registerColor('tree.tableOddRowsBackground', { dark: transparent(foreground, 0.04), light: transparent(foreground, 0.04), hcDark: null, hcLight: null }, nls.localize('tableOddRowsBackgroundColor', "Background color for odd table rows."));
 export const listDeemphasizedForeground = registerColor('list.deemphasizedForeground', { dark: '#8C8C8C', light: '#8E8E90', hcDark: '#A7A8A9', hcLight: '#666666' }, nls.localize('listDeemphasizedForeground', "List/Tree foreground color for items that are deemphasized. "));
 
+/**
+ * Checkboxes
+ */
+export const checkboxBackground = registerColor('checkbox.background', { dark: selectBackground, light: selectBackground, hcDark: selectBackground, hcLight: selectBackground }, nls.localize('checkbox.background', "Background color of checkbox widget."));
+export const checkboxSelectBackground = registerColor('checkbox.selectBackground', { dark: editorWidgetBackground, light: editorWidgetBackground, hcDark: editorWidgetBackground, hcLight: editorWidgetBackground }, nls.localize('checkbox.select.background', "Background color of checkbox widget when the element it's in is selected."));
+export const checkboxForeground = registerColor('checkbox.foreground', { dark: selectForeground, light: selectForeground, hcDark: selectForeground, hcLight: selectForeground }, nls.localize('checkbox.foreground', "Foreground color of checkbox widget."));
+export const checkboxBorder = registerColor('checkbox.border', { dark: selectBorder, light: selectBorder, hcDark: selectBorder, hcLight: selectBorder }, nls.localize('checkbox.border', "Border color of checkbox widget."));
+export const checkboxSelectBorder = registerColor('checkbox.selectBorder', { dark: editorWidgetBackground, light: editorWidgetBackground, hcDark: editorWidgetBackground, hcLight: editorWidgetBackground }, nls.localize('checkbox.select.border', "Border color of checkbox widget when the element it's in is selected."));
+
 /**
  * Quick pick widget (dependent on List and tree colors)
  */

src/vs/workbench/browser/parts/views/media/views.css

@@ -121,6 +121,11 @@
 	padding-left: 3px;
 }
 
+.customview-tree .monaco-list .monaco-list-row.selected .custom-view-tree-node-item .custom-view-tree-node-item-checkbox {
+	background-color: var(--vscode-checkbox-selectBackground);
+	border: 1px solid var(--vscode-checkbox-selectBorder);
+}
+
 .customview-tree .monaco-list .monaco-list-row .custom-view-tree-node-item .custom-view-tree-node-item-checkbox {
 	width: 16px;
 	height: 16px;