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RUBY-15932: let's limit number of line extensions we paint

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in case we have too many extensions IDE is almost hanging on painting
This commit is contained in:
Oleg Sukhodolsky
2015-02-06 07:57:06 +03:00
parent a8f070e40f
commit aa435c2647
1 changed files with 5 additions and 1 deletions
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platform/xdebugger-impl/src/com/intellij/xdebugger/impl/evaluate/XDebuggerEditorLinePainter.java
+5 -1
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@@ -50,6 +50,10 @@ import java.util.List;
*/
public class XDebuggerEditorLinePainter extends EditorLinePainter {
public static final Key<Map<Variable, VariableValue>> CACHE = Key.create("debug.inline.variables.cache");
// we want to limit number of line extentions to avoid very slow painting
// the constant is rather random (feel free to adjust it upon getting a new information)
private static final int LINE_EXTENTIONS_MAX_COUNT = 200;
@Override
public Collection<LineExtensionInfo> getLineExtensions(@NotNull Project project, @NotNull VirtualFile file, int lineNumber) {
if (!Registry.is("ide.debugger.inline")) {
@@ -142,7 +146,7 @@ public class XDebuggerEditorLinePainter extends EditorLinePainter {
for (VariableText text : result) {
infos.addAll(text.infos);
}
return infos;
return infos.size() > LINE_EXTENTIONS_MAX_COUNT ? infos.subList(0, LINE_EXTENTIONS_MAX_COUNT) : infos;
}
return null;
}