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fix: Even more async syntax highlighting

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FalsePattern 2023-08-02 14:00:00 +02:00 • committed by FalsePattern
parent 8e498d75be
commit ace85c6a5a
Signed by: falsepattern
GPG key ID: FDF7126A9E124447
2 changed files with 34 additions and 22 deletions
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5
CHANGELOG.md
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@ -23,6 +23,11 @@ Changelog structure reference:
#### Error diagnostics (NEW)
- Basic diagnostics info from LSP (mostly just trivial syntax errors)
### Fixed
#### Syntax Highlighting
- Made the logic even more asynchronous, should lead to much less UI stuttering
## [0.3.1]
### Added

51
src/main/java/com/falsepattern/zigbrains/HighlightingUtil.java
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@ -18,6 +18,9 @@ package com.falsepattern.zigbrains;
import com.falsepattern.zigbrains.lsp.ZLSEditorEventManager;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.ReadAction;
import com.intellij.openapi.application.WriteAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.markup.HighlighterLayer;
import com.intellij.openapi.editor.markup.HighlighterTargetArea;
import com.intellij.openapi.editor.markup.RangeHighlighter;
@ -25,9 +28,12 @@ import com.intellij.openapi.util.Key;
import org.wso2.lsp4intellij.editor.EditorEventManager;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import java.util.concurrent.locks.ReentrantLock;
import java.util.stream.Stream;
@ -36,40 +42,41 @@ public class HighlightingUtil {
public static void refreshHighlighting(EditorEventManager eem) {
var app = ApplicationManager.getApplication();
if (!(eem instanceof ZLSEditorEventManager manager)) {
return;
}
var editor = manager.editor;
if (editor == null) {
return;
}
app.executeOnPooledThread(() -> {
if (!(eem instanceof ZLSEditorEventManager manager)) {
return;
}
var editor = manager.editor;
if (editor == null) {
return;
}
if (editor.isDisposed()) {
return;
}
var highlightRanges = manager.semanticHighlighting();
var newHash = highlightRanges.hashCode();
app.invokeAndWait(() -> {
if (editor.isDisposed()) {
return;
}
var markup = editor.getMarkupModel();
var hash = markup.getUserData(HL_HASH);
if (hash != null && hash == newHash) {
return;
}
markup.putUserData(HL_HASH, newHash);
var highlightersSorted = new ArrayList<>(Stream.of(WriteAction.computeAndWait(markup::getAllHighlighters))
.map(hl -> Map.entry(hl, hl.getStartOffset()))
.sorted(Comparator.comparingInt(Map.Entry::getValue))
.toList());
app.invokeLater(() -> {
if (editor.isDisposed()) {
return;
}
var markup = editor.getMarkupModel();
var hash = markup.getUserData(HL_HASH);
if (hash != null && hash == newHash) {
return;
if (highlightRanges.size() == 1 && highlightRanges.get(0).start() == 0 && highlightRanges.get(0).remove() == -1) {
markup.removeAllHighlighters();
}
markup.putUserData(HL_HASH, newHash);
List<Map.Entry<RangeHighlighter, Integer>> highlightersSorted = null;
var documentLength = editor.getDocument().getTextLength();
for (var range : highlightRanges) {
if (range.start() == 0 && range.remove() == -1 && highlightRanges.size() == 1) {
markup.removeAllHighlighters();
} else if (highlightersSorted == null) {
highlightersSorted = new ArrayList<>(Stream.of(markup.getAllHighlighters())
.map(hl -> Map.entry(hl, hl.getStartOffset()))
.sorted(Comparator.comparingInt(Map.Entry::getValue))
.toList());
}
var start = range.start();
var toRemove = range.remove();
if (toRemove > 0) {