5885: Make inlay hints colors more configurable r=matklad a=Veetaha

**[BREAKING CHANGE]**

Tackles https://github.com/rust-analyzer/rust-analyzer/issues/5337#issuecomment-680018601 and generally related to #5337.

Added `foreground/background` color configurations with optional more specific overrides `foreground.(type|parameter|chaining)Hints`.

One problem I see is that the config keys are long and don't fit into the on-hover hints in the `settings.json` file entirely...

<details>
<summary>Demo</summary>

![demo](https://user-images.githubusercontent.com/36276403/91238334-77fc3b00-e745-11ea-836b-2822015ece98.gif)

</details>

Co-authored-by: Veetaha <veetaha2@gmail.com>
This commit is contained in:
bors[bot] 2020-08-26 13:07:06 +00:00 committed by GitHub
commit d58a3a277a
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3 changed files with 116 additions and 48 deletions

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@ -367,6 +367,30 @@ include::./generated_assists.adoc[]
== Editor Features
=== VS Code
==== Color configurations
It is possible to change the foreground/background color of inlay hints. Just add this to your
`settings.json`:
[source,jsonc]
----
{
"workbench.colorCustomizations": {
// Name of the theme you are currently using
"[Default Dark+]": {
"rust_analyzer.inlayHints.foreground": "#868686f0",
"rust_analyzer.inlayHints.background": "#3d3d3d48",
// Overrides for specific kinds of inlay hints
"rust_analyzer.inlayHints.foreground.typeHints": "#fdb6fdf0",
"rust_analyzer.inlayHints.foreground.paramHints": "#fdb6fdf0",
"rust_analyzer.inlayHints.background.chainingHints": "#6b0c0c81"
}
}
}
----
==== Special `when` clause context for keybindings.
You may use `inRustProject` context to configure keybindings for rust projects only. For example:
[source,json]

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@ -712,14 +712,77 @@
],
"colors": [
{
"id": "rust_analyzer.inlayHint",
"description": "Color for inlay hints",
"id": "rust_analyzer.inlayHints.foreground",
"description": "Foreground color of inlay hints (is overriden by more specific rust_analyzer.inlayHints.foreground.* configurations)",
"defaults": {
"dark": "#A0A0A0F0",
"light": "#747474",
"highContrast": "#BEBEBE"
}
},
{
"id": "rust_analyzer.inlayHints.background",
"description": "Background color of inlay hints (is overriden by more specific rust_analyzer.inlayHints.background.* configurations)",
"defaults": {
"dark": "#11223300",
"light": "#11223300",
"highContrast": "#11223300"
}
},
{
"id": "rust_analyzer.inlayHints.foreground.typeHints",
"description": "Foreground color of inlay type hints for variables (overrides rust_analyzer.inlayHints.foreground)",
"defaults": {
"dark": "rust_analyzer.inlayHints.foreground",
"light": "rust_analyzer.inlayHints.foreground",
"highContrast": "rust_analyzer.inlayHints.foreground"
}
},
{
"id": "rust_analyzer.inlayHints.foreground.chainingHints",
"description": "Foreground color of inlay type hints for method chains (overrides rust_analyzer.inlayHints.foreground)",
"defaults": {
"dark": "rust_analyzer.inlayHints.foreground",
"light": "rust_analyzer.inlayHints.foreground",
"highContrast": "rust_analyzer.inlayHints.foreground"
}
},
{
"id": "rust_analyzer.inlayHints.foreground.parameterHints",
"description": "Foreground color of function parameter name inlay hints at the call site (overrides rust_analyzer.inlayHints.foreground)",
"defaults": {
"dark": "rust_analyzer.inlayHints.foreground",
"light": "rust_analyzer.inlayHints.foreground",
"highContrast": "rust_analyzer.inlayHints.foreground"
}
},
{
"id": "rust_analyzer.inlayHints.background.typeHints",
"description": "Background color of inlay type hints for variables (overrides rust_analyzer.inlayHints.background)",
"defaults": {
"dark": "rust_analyzer.inlayHints.background",
"light": "rust_analyzer.inlayHints.background",
"highContrast": "rust_analyzer.inlayHints.background"
}
},
{
"id": "rust_analyzer.inlayHints.background.chainingHints",
"description": "Background color of inlay type hints for method chains (overrides rust_analyzer.inlayHints.background)",
"defaults": {
"dark": "rust_analyzer.inlayHints.background",
"light": "rust_analyzer.inlayHints.background",
"highContrast": "rust_analyzer.inlayHints.background"
}
},
{
"id": "rust_analyzer.inlayHints.background.parameterHints",
"description": "Background color of function parameter name inlay hints at the call site (overrides rust_analyzer.inlayHints.background)",
"defaults": {
"dark": "rust_analyzer.inlayHints.background",
"light": "rust_analyzer.inlayHints.background",
"highContrast": "rust_analyzer.inlayHints.background"
}
},
{
"id": "rust_analyzer.syntaxTreeBorder",
"description": "Color of the border displayed in the Rust source code for the selected syntax node (see \"Show Syntax Tree\" command)",

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@ -39,54 +39,35 @@ export function activateInlayHints(ctx: Ctx) {
maybeUpdater.onConfigChange();
}
const typeHints = createHintStyle("type");
const paramHints = createHintStyle("parameter");
const chainingHints = createHintStyle("chaining");
const typeHints = {
decorationType: vscode.window.createTextEditorDecorationType({
after: {
color: new vscode.ThemeColor('rust_analyzer.inlayHint'),
fontStyle: "normal",
function createHintStyle(hintKind: "type" | "parameter" | "chaining") {
const [pos, render] = ({
type: ["after", (label: string) => `: ${label}`],
parameter: ["before", (label: string) => `${label}: `],
chaining: ["after", (label: string) => `: ${label}`],
} as const)[hintKind];
const fg = new vscode.ThemeColor(`rust_analyzer.inlayHints.foreground.${hintKind}Hints`);
const bg = new vscode.ThemeColor(`rust_analyzer.inlayHints.background.${hintKind}Hints`);
return {
decorationType: vscode.window.createTextEditorDecorationType({
[pos]: {
color: fg,
backgroundColor: bg,
fontStyle: "normal",
},
}),
toDecoration(hint: ra.InlayHint, conv: lc.Protocol2CodeConverter): vscode.DecorationOptions {
return {
range: conv.asRange(hint.range),
renderOptions: { [pos]: { contentText: render(hint.label) } }
};
}
}),
toDecoration(hint: ra.InlayHint.TypeHint, conv: lc.Protocol2CodeConverter): vscode.DecorationOptions {
return {
range: conv.asRange(hint.range),
renderOptions: { after: { contentText: `: ${hint.label}` } }
};
}
};
const paramHints = {
decorationType: vscode.window.createTextEditorDecorationType({
before: {
color: new vscode.ThemeColor('rust_analyzer.inlayHint'),
fontStyle: "normal",
}
}),
toDecoration(hint: ra.InlayHint.ParamHint, conv: lc.Protocol2CodeConverter): vscode.DecorationOptions {
return {
range: conv.asRange(hint.range),
renderOptions: { before: { contentText: `${hint.label}: ` } }
};
}
};
const chainingHints = {
decorationType: vscode.window.createTextEditorDecorationType({
after: {
color: new vscode.ThemeColor('rust_analyzer.inlayHint'),
fontStyle: "normal",
}
}),
toDecoration(hint: ra.InlayHint.ChainingHint, conv: lc.Protocol2CodeConverter): vscode.DecorationOptions {
return {
range: conv.asRange(hint.range),
renderOptions: { after: { contentText: ` ${hint.label}` } }
};
}
};
};
}
class HintsUpdater implements Disposable {
private sourceFiles = new Map<string, RustSourceFile>(); // map Uri -> RustSourceFile