Merge branch 'main' into code-reference

Author: dingfeli

plugin/src/software/aws/toolkits/eclipse/amazonq/handlers/QAcceptSuggestionsHandler.java

@@ -36,7 +36,6 @@ private void insertSuggestion(final String suggestion) {
             var insertOffset = widget.getCaretOffset();
             doc.replace(insertOffset, 0, suggestion);
             widget.setCaretOffset(insertOffset + suggestion.length());
-
             QInvocationSession.getInstance().transitionToDecisionMade();
             QInvocationSession.getInstance().getViewer().getTextWidget().redraw();
             QInvocationSession.getInstance().executeCallbackForCodeReference();

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QEclipseEditorUtils.java

@@ -63,8 +63,8 @@ public static ITextViewer getActiveTextViewer(final ITextEditor editor) {
         return asTextViewer(editor);
     }
 
-    public static boolean isLastLine(final StyledText textWidget, final int line) {
-        return line == textWidget.getLineCount() - 1;
+    public static boolean shouldIndentVertically(final StyledText textWidget, final int zeroIndexedLine) {
+        return zeroIndexedLine + 1 < textWidget.getLineCount();
     }
 
 

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInlineRendererListener.java

@@ -3,13 +3,12 @@
 
 package software.aws.toolkits.eclipse.amazonq.util;
 
-//import org.eclipse.swt.custom.StyledText;
 import org.eclipse.swt.events.PaintEvent;
 import org.eclipse.swt.events.PaintListener;
-//import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Point;
 
 import static software.aws.toolkits.eclipse.amazonq.util.QConstants.Q_INLINE_HINT_TEXT_COLOR;
-//import static software.aws.toolkits.eclipse.amazonq.util.QEclipseEditorUtils.isLastLine;
+import static software.aws.toolkits.eclipse.amazonq.util.QEclipseEditorUtils.shouldIndentVertically;
 
 import java.util.Arrays;
 
@@ -50,38 +49,38 @@ public final void paintControl(final PaintEvent e) {
         }
 
         int renderHeadIndex = currentOffset - offsetAtCurrentLine;
-        String[] remainderArray = Arrays.copyOfRange(suggestionParts, currentLineInSuggestion + 1, suggestionParts.length);
+        String[] remainderArray = Arrays.copyOfRange(suggestionParts, currentLineInSuggestion + 1,
+                suggestionParts.length);
         String remainder = String.join("\n", remainderArray);
 
         // Draw first line inline
-        String firstLine = renderHeadIndex >= 0
-                ? suggestionParts[currentLineInSuggestion].trim() : suggestionParts[currentLineInSuggestion];
+        String firstLine = renderHeadIndex >= 0 ? suggestionParts[currentLineInSuggestion].trim()
+                : suggestionParts[currentLineInSuggestion];
         int xLoc = renderHeadIndex >= 0 ? location.x : widget.getLeftMargin();
         if (renderHeadIndex < firstLine.length()) {
-            gc.drawText(renderHeadIndex >= 0 ? firstLine.substring(renderHeadIndex) : firstLine, xLoc, location.y, true);
+            gc.drawText(renderHeadIndex >= 0 ? firstLine.substring(renderHeadIndex) : firstLine, xLoc, location.y,
+                    true);
         }
 
         // Draw other lines inline
         if (!remainder.isEmpty()) {
             // For last line case doesn't need to indent next line vertically
             var caretLine = widget.getLineAtOffset(widget.getCaretOffset());
-            // Felix: Not really sure what this does and it is throwing under certain
-            // circumstance
-            // Will confirm with Andrew before adding this back in / modifying it.
-//            if (!isLastLine(widget, caretLine + 1)) {
-//                // when showing the suggestion need to add next line indent
-//                Point textExtent = gc.stringExtent(" ");
-//                int height = textExtent.y * suggestionParts[1].split("\\R").length;
-//                widget.setLineVerticalIndent(caretLine + 1, height);
-//            }
+            if (shouldIndentVertically(widget, caretLine) && qInvocationSessionInstance.isPreviewingSuggestions()) {
+                // when showing the suggestion need to add next line indent
+                Point textExtent = gc.stringExtent(" ");
+                int height = textExtent.y * remainder.split("\\R").length;
+                qInvocationSessionInstance.setVerticalIndent(caretLine + 1, height);
+            }
 
             int lineHt = widget.getLineHeight();
             int fontHt = gc.getFontMetrics().getHeight();
             int x = widget.getLeftMargin();
             int y = location.y + lineHt * 2 - fontHt;
             gc.drawText(remainder, x, y, true);
+        } else {
+            qInvocationSessionInstance.unsetVerticalIndent();
         }
     }
 
 }
-

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInvocationSession.java

@@ -48,6 +48,7 @@ public final class QInvocationSession extends QResource {
     private int[] headOffsetAtLine = new int[500];
     private boolean hasBeenTypedahead = false;
     private CodeReferenceAcceptanceCallback codeReferenceAcceptanceCallback = null;
+    private Runnable unsetVerticalIndent;
 
     // Private constructor to prevent instantiation
     private QInvocationSession() {
@@ -220,14 +221,7 @@ public void transitionToDecisionMade() {
         }
         state = QInvocationSessionState.DECISION_MADE;
 
-        // Clear previous next line indent in certain cases (always for now?)
-        // From Felix: Not really sure when or where this is needed, disabling for now.
-        // This is throwing under certain circumstances with IllegalArgument
-        // var widget = viewer.getTextWidget();
-        // var caretLine = widget.getLineAtOffset(widget.getCaretOffset());
-        // if (!isLastLine(widget, caretLine + 1)) {
-        // widget.setLineVerticalIndent(caretLine + 1, 0);
-        // }
+        unsetVerticalIndent();
     }
 
     public void setCaretMovementReason(final CaretMovementReason reason) {
@@ -345,6 +339,22 @@ public void executeCallbackForCodeReference() {
             codeReferenceAcceptanceCallback.onCallback(selectedSuggestion, startLine);
         }
     }
+  
+    public void setVerticalIndent(int line, int height) {
+        var widget = viewer.getTextWidget();
+        widget.setLineVerticalIndent(line, height);
+        unsetVerticalIndent = () -> {
+            var caretLine = widget.getLineAtOffset(widget.getCaretOffset());
+            widget.setLineVerticalIndent(caretLine + 1, 0);
+        };
+    }
+
+    public void unsetVerticalIndent() {
+        if (unsetVerticalIndent != null) {
+            unsetVerticalIndent.run();
+            unsetVerticalIndent = null;
+        }
+    }
 
     // Additional methods for the session can be added here
     @Override