Max problems per line feature

src/main/java/org/overengineer/inlineproblems/ProblemManager.java

@@ -40,7 +40,7 @@
         if (!Collections.synchronizedList(activeProblems).remove(problem)) {
             logger.warn("Removal of problem failed, resetting");
             resetForEditor(problem.getTextEditor().getEditor());
             return;
         }
     }
 
@@ -64,6 +64,12 @@
                 removeProblem(p);
         });
 
+        // Limit problems per line
+        int maxProblemsPerLine = settingsState.getMaxProblemsPerLine();
+        if (maxProblemsPerLine > 0 && problemsInLine.size() > maxProblemsPerLine) {
+            problemsInLine.subList(maxProblemsPerLine, problemsInLine.size()).clear();
+        }
+
         /* This only works when using a method reference, if we move the code from the addProblemPrivate func into a lambda
         *  it does not work like expected, that is because there are differences in the evaluation and the way it is called */
         problemsInLine.forEach(this::addProblemPrivate);
@@ -124,7 +130,7 @@
 
         for (int additionalSeverity : settingsState.getAdditionalInfoSeverities()) {
             if (additionalSeverity == severity) {
                 problem.setSeverity(HighlightSeverity.INFO.myVal);
                 return;
             }
         }
@@ -182,7 +188,7 @@
             Map<String, InlineProblem> filteredMap = new HashMap<>();
 
             for (InlineProblem problem : newProblems) {
                 String key = problem.getTextEditor().getFile().getPath() + problem.getLine();
 
                 if (filteredMap.containsKey(key)) {
                     if (filteredMap.get(key).getSeverity() < problem.getSeverity()) {

src/main/java/org/overengineer/inlineproblems/settings/SettingsComponent.java

@@ -65,6 +65,7 @@ public class SettingsComponent {
     private final JBCheckBox enableXmlUnescaping = new JBCheckBox(SettingsBundle.message("settings.enableXmlUnescaping"));
     private final JFormattedTextField inlayFontSizeDeltaText;
     private final JFormattedTextField manualScannerDelay;
+    private final JFormattedTextField maxProblemsPerLine;
     private final JFormattedTextField maxFileLines;
     private final JBCheckBox fillProblemLabels = new JBCheckBox(SettingsBundle.message("settings.fillProblemLabels"));
     private final JBCheckBox boldProblemLabels = new JBCheckBox(SettingsBundle.message("settings.boldProblemLabels"));
@@ -128,6 +129,9 @@ public SettingsComponent() {
         inlayFontSizeDeltaText = new JFormattedTextField(numberFormatter);
         inlayFontSizeDeltaText.setText(Integer.toString(settingsState.getInlayFontSizeDelta()));
 
+        maxProblemsPerLine = new JFormattedTextField(numberFormatter);
+        maxProblemsPerLine.setText(Integer.toString(settingsState.getMaxProblemsPerLine()));
+
         manualScannerDelay = new JFormattedTextField(numberFormatter);
         manualScannerDelay.setText(Integer.toString(settingsState.getManualScannerDelay()));
 
@@ -178,6 +182,8 @@ public SettingsComponent() {
                 .addTooltip(SettingsBundle.message("settings.problemFilterListTooltip"))
                 .addLabeledComponent(new JLabel(SettingsBundle.message("settings.fileExtensionBlacklistLabel")), fileExtensionBlacklist)
                 .addTooltip(SettingsBundle.message("settings.fileExtensionBlacklistTooltip"))
+                .addLabeledComponent(new JBLabel(SettingsBundle.message("settings.maxProblemsPerLineLabel")), maxProblemsPerLine)
+                .addTooltip(SettingsBundle.message("settings.maxProblemsPerLineTooltip"))
                 .addLabeledComponent(new JLabel(SettingsBundle.message("settings.maxFileLinesLabel")), maxFileLines)
                 .addTooltip(SettingsBundle.message("settings.maxFileLinesTooltip"))
                 .addSeparator()
@@ -616,6 +622,19 @@ public void setManualScannerDelay(int delay) {
         manualScannerDelay.setText(Integer.toString(Math.max(10, delay)));
     }
 
+    public int getMaxProblemsPerLine() {
+        try {
+            return Math.max(Integer.parseInt(maxProblemsPerLine.getText()), 0);
+        }
+        catch (NumberFormatException e) {
+            return 0;
+        }
+    }
+
+    public void setMaxProblemsPerLine(int max) {
+        maxProblemsPerLine.setText(Integer.toString(Math.max(0, max)));
+    }
+
     public int getMaxFileLines() {
         try {
             return Math.max(Integer.parseInt(maxFileLines.getText()), 0);

src/main/java/org/overengineer/inlineproblems/settings/SettingsConfigurable.java

@@ -20,7 +20,7 @@
     SettingsConfigurable() {}
 
     @Override
     @NlsContexts.ConfigurableName
     public String getDisplayName() {
         return "InlineProblems";
     }
@@ -46,6 +46,7 @@
                 state.isRoundedCornerBoxes() == settingsComponent.isRoundedCornerBoxes() &&
                 state.isUseEditorFont() == settingsComponent.isUseEditorFont() &&
                 state.isShowOnlyHighestSeverityPerLine() == settingsComponent.isShowOnlyHighestSeverityPerLine() &&
+                state.getMaxProblemsPerLine() == settingsComponent.getMaxProblemsPerLine() &&
                 state.isEnableHtmlStripping() == settingsComponent.isEnableHtmlStripping() &&
                 state.isEnableXmlUnescaping() == settingsComponent.isEnableXmlUnescaping() &&
                 state.getInlayFontSizeDelta() == settingsComponent.getInlayFontSizeDelta() &&
@@ -139,6 +140,7 @@
         state.setRoundedCornerBoxes(settingsComponent.isRoundedCornerBoxes());
         state.setUseEditorFont(settingsComponent.isUseEditorFont());
         state.setShowOnlyHighestSeverityPerLine(settingsComponent.isShowOnlyHighestSeverityPerLine());
+        state.setMaxProblemsPerLine(settingsComponent.getMaxProblemsPerLine());
         state.setEnableHtmlStripping(settingsComponent.isEnableHtmlStripping());
         state.setEnableXmlUnescaping(settingsComponent.isEnableXmlUnescaping());
         state.setInlayFontSizeDelta(settingsComponent.getInlayFontSizeDelta());
@@ -210,6 +212,7 @@
         settingsComponent.setRoundedCornerBoxes(state.isRoundedCornerBoxes());
         settingsComponent.setUseEditorFont(state.isUseEditorFont());
         settingsComponent.setShowOnlyHighestSeverityPerLine(state.isShowOnlyHighestSeverityPerLine());
+        settingsComponent.setMaxProblemsPerLine(state.getMaxProblemsPerLine());
         settingsComponent.setEnableHtmlStripping(state.isEnableHtmlStripping());
         settingsComponent.setEnableXmlUnescaping(state.isEnableXmlUnescaping());
         settingsComponent.setInlayFontSizeDelta(state.getInlayFontSizeDelta());

src/main/java/org/overengineer/inlineproblems/settings/SettingsState.java

@@ -107,6 +107,7 @@
     private boolean showOnlyHighestSeverityPerLine = false;
     private boolean enableHtmlStripping = true;
     private boolean enableXmlUnescaping = true;
+    private int maxProblemsPerLine = 20;
 
     // migration booleans
     private boolean highlightProblemListenerDeprecateMigrationDone = false;
@@ -139,7 +140,7 @@
             List<String> newFilterListEntries = List.of("Consider unknown contexts non-blocking");
             for (String entry : newFilterListEntries) {
                 if (!problemFilterList.contains(entry)) {
                     problemFilterList += ";" + entry;
                 }
             }
 

src/main/resources/messages/SettingsBundle_en.properties

@@ -53,5 +53,7 @@ settings.additionalSeveritiesInfoDesc=Semicolon separated list of additional inf
 settings.forceProblemsInOneLine=Force problems in the same line even if they are too long to fit
 settings.useEditorFont=Use editor font instead of tooltip font
 settings.showOnlyHighestPerLine=Show only the problem with the highest severity per line
+settings.maxProblemsPerLineLabel=Max problems per line (0 = unlimited)
+settings.maxProblemsPerLineTooltip=Limits the number of problems shown per line. Set to 0 for unlimited.
 settings.enableHtmlStripping=Enable stripping of HTML in the messages
 settings.enableXmlUnescaping=Enable unescaping of XML in the messages

src/main/resources/messages/SettingsBundle_zh_CN.properties

@@ -53,5 +53,7 @@ settings.additionalSeveritiesInfoDesc=\u9644\u52A0\u4FE1\u606F\u4E25\u91CD\u6027
 settings.forceProblemsInOneLine=\u5F3A\u5236\u5728\u540C\u4E00\u884C\u663E\u793A\u95EE\u9898\uFF0C\u5373\u4F7F\u5B83\u4EEC\u592A\u957F\u800C\u65E0\u6CD5\u9002\u5E94
 settings.useEditorFont=\u4F7F\u7528\u7F16\u8F91\u5668\u5B57\u4F53\u800C\u4E0D\u662F\u63D0\u793A\u5B57\u4F53
 settings.showOnlyHighestPerLine=\u4ec5\u663e\u793a\u6bcf\u884c\u4e2d\u6700\u4e25\u91cd\u7684\u95ee\u9898
+settings.maxProblemsPerLineLabel=Max problems per line (0 = unlimited)
+settings.maxProblemsPerLineTooltip=Limits the number of problems shown per line. Set to 0 for unlimited.
 settings.enableHtmlStripping=Enable stripping of HTML in the messages
 settings.enableXmlUnescaping=Enable unescaping of XML in the messages