Beispiel #1
0
  public EditorView<T> getView(String viewId) {
    for (EditorView<T> view : views) {
      if (view.getViewId().equals(viewId)) return view;
    }

    return null;
  }
  private void paintSelectionOnFirstSoftWrapLineIfNecessary(
      Graphics2D g, int columnStart, float xStart, float xEnd, int y) {
    VisualPosition selectionStartPosition =
        myEditor.getSelectionModel().getSelectionStartPosition();
    VisualPosition selectionEndPosition = myEditor.getSelectionModel().getSelectionEndPosition();
    int visualLine = myView.yToVisualLine(y);

    if (selectionStartPosition.equals(selectionEndPosition)
        || visualLine < selectionStartPosition.line
        || visualLine > selectionEndPosition.line
        || visualLine == selectionEndPosition.line && selectionEndPosition.column <= columnStart) {
      return;
    }

    float startX =
        selectionStartPosition.line == visualLine && selectionStartPosition.column > columnStart
            ? myView.visualPositionToXY(selectionStartPosition).x
            : xStart;
    float endX =
        selectionEndPosition.line == visualLine
            ? myView.visualPositionToXY(selectionEndPosition).x
            : xEnd;

    paintBackground(
        g,
        myEditor.getColorsScheme().getColor(EditorColors.SELECTION_BACKGROUND_COLOR),
        startX,
        y,
        endX - startX);
  }
 private void paintVirtualSelectionIfNecessary(
     Graphics2D g,
     Map<Integer, Couple<Integer>> virtualSelectionMap,
     int columnStart,
     float xStart,
     float xEnd,
     int y) {
   int visualLine = myView.yToVisualLine(y);
   Couple<Integer> selectionRange = virtualSelectionMap.get(visualLine);
   if (selectionRange == null || selectionRange.second <= columnStart) return;
   float startX =
       selectionRange.first <= columnStart
           ? xStart
           : myView.visualPositionToXY(new VisualPosition(visualLine, selectionRange.first)).x;
   float endX =
       Math.min(
           xEnd,
           myView.visualPositionToXY(new VisualPosition(visualLine, selectionRange.second)).x);
   paintBackground(
       g,
       myEditor.getColorsScheme().getColor(EditorColors.SELECTION_BACKGROUND_COLOR),
       startX,
       y,
       endX - startX);
 }
Beispiel #4
0
  public final void setDocument(T document) {
    if (this.document != null) this.document.release();

    this.document = document;

    for (EditorView<T> view : views) {
      view.setDocument(document);
    }
  }
  private void paintCaret(Graphics2D g_) {
    EditorImpl.CaretRectangle[] locations = myEditor.getCaretLocations(true);
    if (locations == null) return;

    Graphics2D g = IdeBackgroundUtil.getOriginalGraphics(g_);
    int lineHeight = myView.getLineHeight();
    EditorSettings settings = myEditor.getSettings();
    Color caretColor = myEditor.getColorsScheme().getColor(EditorColors.CARET_COLOR);
    if (caretColor == null) caretColor = new JBColor(CARET_DARK, CARET_LIGHT);
    g.setColor(caretColor);
    for (EditorImpl.CaretRectangle location : locations) {
      int x = location.myPoint.x;
      int y = location.myPoint.y;
      Caret caret = location.myCaret;
      boolean isRtl = location.myIsRtl;
      if (myEditor.isInsertMode() != settings.isBlockCursor()) {
        int lineWidth = JBUI.scale(settings.getLineCursorWidth());
        g.fillRect(x, y, lineWidth, lineHeight);
        if (myDocument.getTextLength() > 0
            && caret != null
            && !myView.getLineLayout(caret.getLogicalPosition().line).isLtr()) {
          g.fillPolygon(
              new int[] {
                isRtl ? x + lineWidth : x,
                isRtl ? x + lineWidth - CARET_DIRECTION_MARK_SIZE : x + CARET_DIRECTION_MARK_SIZE,
                isRtl ? x + lineWidth : x
              },
              new int[] {y, y, y + CARET_DIRECTION_MARK_SIZE},
              3);
        }
      } else {
        int width = location.myWidth;
        int startX = Math.max(0, isRtl ? x - width : x);
        g.fillRect(startX, y, width, lineHeight - 1);
        if (myDocument.getTextLength() > 0 && caret != null) {
          int targetVisualColumn = caret.getVisualPosition().column;
          for (VisualLineFragmentsIterator.Fragment fragment :
              VisualLineFragmentsIterator.create(myView, caret.getVisualLineStart(), false)) {
            int startVisualColumn = fragment.getStartVisualColumn();
            int endVisualColumn = fragment.getEndVisualColumn();
            if (startVisualColumn < targetVisualColumn && endVisualColumn > targetVisualColumn
                || startVisualColumn == targetVisualColumn && !isRtl
                || endVisualColumn == targetVisualColumn && isRtl) {
              g.setColor(ColorUtil.isDark(caretColor) ? CARET_LIGHT : CARET_DARK);
              fragment.draw(
                  g,
                  startX,
                  y + myView.getAscent(),
                  targetVisualColumn - startVisualColumn - (isRtl ? 1 : 0),
                  targetVisualColumn - startVisualColumn + (isRtl ? 0 : 1));
              break;
            }
          }
        }
      }
    }
  }
  private void paintBackground(
      Graphics2D g, Rectangle clip, int startVisualLine, int endVisualLine) {
    int lineCount = myEditor.getVisibleLineCount();
    final Map<Integer, Couple<Integer>> virtualSelectionMap =
        createVirtualSelectionMap(startVisualLine, endVisualLine);
    for (int visualLine = startVisualLine; visualLine <= endVisualLine; visualLine++) {
      int y = myView.visualLineToY(visualLine);
      LineLayout prefixLayout = myView.getPrefixLayout();
      if (visualLine == 0 && prefixLayout != null) {
        paintBackground(g, myView.getPrefixAttributes(), 0, y, prefixLayout.getWidth());
      }
      if (visualLine >= lineCount) break;
      paintLineFragments(
          g,
          clip,
          visualLine,
          y,
          new LineFragmentPainter() {
            @Override
            public void paintBeforeLineStart(
                Graphics2D g, TextAttributes attributes, int columnEnd, float xEnd, int y) {
              paintBackground(g, attributes, 0, y, xEnd);
              paintSelectionOnSecondSoftWrapLineIfNecessary(g, columnEnd, xEnd, y);
            }

            @Override
            public void paint(
                Graphics2D g,
                VisualLineFragmentsIterator.Fragment fragment,
                int start,
                int end,
                TextAttributes attributes,
                float xStart,
                float xEnd,
                int y) {
              paintBackground(g, attributes, xStart, y, xEnd - xStart);
            }

            @Override
            public void paintAfterLineEnd(
                Graphics2D g, Rectangle clip, IterationState it, int columnStart, float x, int y) {
              paintBackground(
                  g, it.getPastLineEndBackgroundAttributes(), x, y, clip.x + clip.width - x);
              int offset = it.getEndOffset();
              SoftWrap softWrap = myEditor.getSoftWrapModel().getSoftWrap(offset);
              if (softWrap == null) {
                paintVirtualSelectionIfNecessary(
                    g, virtualSelectionMap, columnStart, x, clip.x + clip.width, y);
              } else {
                paintSelectionOnFirstSoftWrapLineIfNecessary(
                    g, columnStart, x, clip.x + clip.width, y);
              }
            }
          });
    }
  }
Beispiel #7
0
    @SuppressWarnings("unchecked")
    public void stateChanged(ChangeEvent e) {
      int currentViewIndex = views.indexOf(currentView);

      if (currentView != null) {
        if (inputTabs.getSelectedIndex() == currentViewIndex) return;

        if (!currentView.deactivate()) {
          inputTabs.setSelectedIndex(currentViewIndex);
          return;
        }
      }

      EditorView<T> previousView = currentView;
      int selectedIndex = inputTabs.getSelectedIndex();
      if (selectedIndex == -1) {
        currentView = null;
        return;
      }

      currentView = views.get(selectedIndex);

      if (currentView != null
          && !currentView.activate(
              previousView == null ? null : previousView.getEditorLocation())) {
        inputTabs.setSelectedIndex(currentViewIndex);
        if (currentViewIndex == -1) return;
      }

      EditorInspector<T> currentInspector =
          (EditorInspector<T>) inspectorPanel.getCurrentInspector();

      if (currentInspector != null) {
        lastDividerLocation = inspectorPanel.getDividerLocation();
      }

      for (Inspector inspector : inspectorPanel.getInspectors()) {
        inspectorPanel.setInspectorVisible(
            inspector, ((EditorInspector<T>) inspector).isEnabledFor(currentView));
      }

      if (currentInspector != null
          && ((EditorInspector<T>) currentInspector).isEnabledFor(currentView)) {
        if (lastDividerLocation == 0) inspectorPanel.setResetDividerLocation();
        else inspectorPanel.setDividerLocation(lastDividerLocation);
      } else currentInspector = null;

      SwingUtilities.invokeLater(
          new Runnable() {

            public void run() {
              if (currentView != null) currentView.getComponent().requestFocus();
            }
          });
    }
Beispiel #8
0
  public void addEditorView(EditorView<T> editorView) {
    views.add(editorView);

    inputTabs.addTab(
        null,
        new VTextIcon(inputTabs, editorView.getTitle(), VTextIcon.ROTATE_LEFT),
        editorView.getComponent());

    editorView.addPropertyChangeListener(this);
    editorView.addLocationListener(this);

    editorView.setDocument(document);
  }
Beispiel #9
0
  public void release() {
    for (EditorView<T> view : views) {
      view.release();
      view.removePropertyChangeListener(this);
    }

    views.clear();

    inputTabs.removeChangeListener(inputTabsChangeListener);
    inputTabs.removeAll();

    inspectorPanel.release();
    document.release();
  }
  private void paintWhitespace(
      Graphics2D g,
      CharSequence text,
      float x,
      int y,
      int start,
      int end,
      EditorImpl.LineWhitespacePaintingStrategy whitespacePaintingStrategy,
      VisualLineFragmentsIterator.Fragment fragment) {
    g.setColor(myEditor.getColorsScheme().getColor(EditorColors.WHITESPACES_COLOR));
    boolean isRtl = fragment.isRtl();
    int baseStartOffset = fragment.getStartOffset();
    int startOffset = isRtl ? baseStartOffset - start : baseStartOffset + start;
    for (int i = start; i < end; i++) {
      int charOffset = isRtl ? baseStartOffset - i - 1 : baseStartOffset + i;
      char c = text.charAt(charOffset);
      if (" \t\u3000".indexOf(c) >= 0
          && whitespacePaintingStrategy.showWhitespaceAtOffset(charOffset)) {
        int startX =
            (int)
                fragment.offsetToX(
                    x, startOffset, isRtl ? baseStartOffset - i : baseStartOffset + i);
        int endX =
            (int)
                fragment.offsetToX(
                    x, startOffset, isRtl ? baseStartOffset - i - 1 : baseStartOffset + i + 1);

        if (c == ' ') {
          g.fillRect((startX + endX) / 2, y, 1, 1);
        } else if (c == '\t') {
          endX -= myView.getPlainSpaceWidth() / 4;
          int height = myView.getCharHeight();
          int halfHeight = height / 2;
          int mid = y - halfHeight;
          int top = y - height;
          UIUtil.drawLine(g, startX, mid, endX, mid);
          UIUtil.drawLine(g, endX, y, endX, top);
          g.fillPolygon(
              new int[] {endX - halfHeight, endX - halfHeight, endX},
              new int[] {y, y - height, y - halfHeight},
              3);
        } else if (c == '\u3000') { // ideographic space
          final int charHeight = myView.getCharHeight();
          g.drawRect(startX + 2, y - charHeight, endX - startX - 4, charHeight);
        }
      }
    }
  }
  private boolean paintPlaceholderText(Graphics2D g) {
    CharSequence hintText = myEditor.getPlaceholder();
    EditorComponentImpl editorComponent = myEditor.getContentComponent();
    if (myDocument.getTextLength() > 0
        || hintText == null
        || hintText.length() == 0
        || KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() == editorComponent
            && !myEditor.getShowPlaceholderWhenFocused()) {
      return false;
    }

    hintText =
        SwingUtilities.layoutCompoundLabel(
            g.getFontMetrics(),
            hintText.toString(),
            null,
            0,
            0,
            0,
            0,
            editorComponent.getBounds(),
            new Rectangle(),
            new Rectangle(),
            0);
    g.setColor(myEditor.getFoldingModel().getPlaceholderAttributes().getForegroundColor());
    g.setFont(myEditor.getColorsScheme().getFont(EditorFontType.PLAIN));
    g.drawString(hintText.toString(), 0, myView.getAscent());
    return true;
  }
 private void paintBackground(Graphics2D g, Color color, float x, int y, float width) {
   if (width <= 0
       || color == null
       || color.equals(myEditor.getColorsScheme().getDefaultBackground())
       || color.equals(myEditor.getBackgroundColor())) return;
   g.setColor(color);
   g.fillRect((int) x, y, (int) width, myView.getLineHeight());
 }
  private void paintRightMargin(Graphics g, Rectangle clip) {
    EditorSettings settings = myEditor.getSettings();
    Color rightMargin = myEditor.getColorsScheme().getColor(EditorColors.RIGHT_MARGIN_COLOR);
    if (!settings.isRightMarginShown() || rightMargin == null) return;

    int x = settings.getRightMargin(myEditor.getProject()) * myView.getPlainSpaceWidth();
    g.setColor(rightMargin);
    UIUtil.drawLine(g, x, clip.y, x, clip.y + clip.height);
  }
  private void paintComposedTextDecoration(Graphics2D g) {
    TextRange composedTextRange = myEditor.getComposedTextRange();
    if (composedTextRange != null) {
      Point p1 =
          myView.offsetToXY(
              Math.min(composedTextRange.getStartOffset(), myDocument.getTextLength()),
              true,
              false);
      Point p2 =
          myView.offsetToXY(
              Math.min(composedTextRange.getEndOffset(), myDocument.getTextLength()), false, true);

      int y = p1.y + myView.getAscent() + 1;

      g.setStroke(IME_COMPOSED_TEXT_UNDERLINE_STROKE);
      g.setColor(myEditor.getColorsScheme().getDefaultForeground());
      UIUtil.drawLine(g, p1.x, y, p2.x, y);
    }
  }
 void repaintCarets() {
   EditorImpl.CaretRectangle[] locations = myEditor.getCaretLocations(false);
   if (locations == null) return;
   int lineHeight = myView.getLineHeight();
   for (EditorImpl.CaretRectangle location : locations) {
     int x = location.myPoint.x;
     int y = location.myPoint.y;
     int width = Math.max(location.myWidth, CARET_DIRECTION_MARK_SIZE);
     myEditor.getContentComponent().repaintEditorComponent(x - width, y, width * 2, lineHeight);
   }
 }
 private void paintHighlighterAfterEndOfLine(Graphics2D g, RangeHighlighterEx highlighter) {
   if (!highlighter.isAfterEndOfLine()) {
     return;
   }
   int startOffset = highlighter.getStartOffset();
   int lineEndOffset = myDocument.getLineEndOffset(myDocument.getLineNumber(startOffset));
   if (myEditor.getFoldingModel().isOffsetCollapsed(lineEndOffset)) return;
   Point lineEnd = myView.offsetToXY(lineEndOffset, true, false);
   int x = lineEnd.x;
   int y = lineEnd.y;
   TextAttributes attributes = highlighter.getTextAttributes();
   paintBackground(g, attributes, x, y, myView.getPlainSpaceWidth());
   if (attributes != null
       && hasTextEffect(attributes.getEffectColor(), attributes.getEffectType())) {
     paintTextEffect(
         g,
         x,
         x + myView.getPlainSpaceWidth() - 1,
         y + myView.getAscent(),
         attributes.getEffectColor(),
         attributes.getEffectType());
   }
 }
  void paint(Graphics2D g) {
    Rectangle clip = g.getClipBounds();

    if (myEditor.getContentComponent().isOpaque()) {
      g.setColor(myEditor.getBackgroundColor());
      g.fillRect(clip.x, clip.y, clip.width, clip.height);
    }

    if (paintPlaceholderText(g)) {
      paintCaret(g);
      return;
    }

    int startLine = myView.yToVisualLine(Math.max(clip.y, 0));
    int endLine = myView.yToVisualLine(Math.max(clip.y + clip.height, 0));
    int startOffset = myView.visualPositionToOffset(new VisualPosition(startLine, 0));
    int endOffset = myView.visualPositionToOffset(new VisualPosition(endLine + 1, 0, true));
    ClipDetector clipDetector = new ClipDetector(myEditor, clip);

    paintBackground(g, clip, startLine, endLine);
    paintRightMargin(g, clip);
    paintCustomRenderers(g, startOffset, endOffset);
    MarkupModelEx docMarkup =
        (MarkupModelEx) DocumentMarkupModel.forDocument(myDocument, myEditor.getProject(), true);
    paintLineMarkersSeparators(g, clip, docMarkup, startOffset, endOffset);
    paintLineMarkersSeparators(g, clip, myEditor.getMarkupModel(), startOffset, endOffset);
    paintTextWithEffects(g, clip, startLine, endLine);
    paintHighlightersAfterEndOfLine(g, docMarkup, startOffset, endOffset);
    paintHighlightersAfterEndOfLine(g, myEditor.getMarkupModel(), startOffset, endOffset);
    paintBorderEffect(g, clipDetector, myEditor.getHighlighter(), startOffset, endOffset);
    paintBorderEffect(g, clipDetector, docMarkup, startOffset, endOffset);
    paintBorderEffect(g, clipDetector, myEditor.getMarkupModel(), startOffset, endOffset);

    paintCaret(g);

    paintComposedTextDecoration(g);
  }
  private void paintLineMarkerSeparator(RangeHighlighter marker, Rectangle clip, Graphics g) {
    Color separatorColor = marker.getLineSeparatorColor();
    LineSeparatorRenderer lineSeparatorRenderer = marker.getLineSeparatorRenderer();
    if (separatorColor == null && lineSeparatorRenderer == null) {
      return;
    }
    int line =
        myDocument.getLineNumber(
            marker.getLineSeparatorPlacement() == SeparatorPlacement.TOP
                ? marker.getStartOffset()
                : marker.getEndOffset());
    int visualLine =
        myView.logicalToVisualPosition(
                new LogicalPosition(
                    line + (marker.getLineSeparatorPlacement() == SeparatorPlacement.TOP ? 0 : 1),
                    0),
                false)
            .line;
    int y = myView.visualLineToY(visualLine) - 1;
    int endShift = clip.x + clip.width;
    EditorSettings settings = myEditor.getSettings();
    if (settings.isRightMarginShown()
        && myEditor.getColorsScheme().getColor(EditorColors.RIGHT_MARGIN_COLOR) != null) {
      endShift =
          Math.min(
              endShift,
              settings.getRightMargin(myEditor.getProject()) * myView.getPlainSpaceWidth());
    }

    g.setColor(separatorColor);
    if (lineSeparatorRenderer != null) {
      lineSeparatorRenderer.drawLine(g, 0, endShift, y);
    } else {
      UIUtil.drawLine(g, 0, y, endShift, y);
    }
  }
 private void paintLineExtensions(Graphics2D g, int line, float x, int y) {
   Project project = myEditor.getProject();
   VirtualFile virtualFile = myEditor.getVirtualFile();
   if (project == null || virtualFile == null) return;
   for (EditorLinePainter painter : EditorLinePainter.EP_NAME.getExtensions()) {
     Collection<LineExtensionInfo> extensions =
         painter.getLineExtensions(project, virtualFile, line);
     if (extensions != null) {
       for (LineExtensionInfo info : extensions) {
         LineLayout layout =
             new LineLayout(myView, info.getText(), info.getFontType(), g.getFontRenderContext());
         g.setColor(info.getColor());
         x =
             paintLineLayoutWithEffect(
                 g, layout, x, y, info.getEffectColor(), info.getEffectType());
         int currentLineWidth = (int) x;
         EditorSizeManager sizeManager = myView.getSizeManager();
         if (currentLineWidth > sizeManager.getMaxLineWithExtensionWidth()) {
           sizeManager.setMaxLineWithExtensionWidth(line, currentLineWidth);
         }
       }
     }
   }
 }
Beispiel #20
0
 public void setEditable(boolean enabled) {
   for (EditorView<T> view : views) {
     view.setEditable(enabled);
   }
 }
  private void paintTextWithEffects(
      Graphics2D g, Rectangle clip, int startVisualLine, int endVisualLine) {
    final CharSequence text = myDocument.getImmutableCharSequence();
    final EditorImpl.LineWhitespacePaintingStrategy whitespacePaintingStrategy =
        myEditor.new LineWhitespacePaintingStrategy();
    int lineCount = myEditor.getVisibleLineCount();
    for (int visualLine = startVisualLine; visualLine <= endVisualLine; visualLine++) {
      int y = myView.visualLineToY(visualLine) + myView.getAscent();
      LineLayout prefixLayout = myView.getPrefixLayout();
      if (visualLine == 0 && prefixLayout != null) {
        g.setColor(myView.getPrefixAttributes().getForegroundColor());
        paintLineLayoutWithEffect(
            g,
            prefixLayout,
            0,
            y,
            myView.getPrefixAttributes().getEffectColor(),
            myView.getPrefixAttributes().getEffectType());
      }
      if (visualLine >= lineCount) break;

      final int[] currentLogicalLine = new int[] {-1};

      paintLineFragments(
          g,
          clip,
          visualLine,
          y,
          new LineFragmentPainter() {
            @Override
            public void paintBeforeLineStart(
                Graphics2D g, TextAttributes attributes, int columnEnd, float xEnd, int y) {
              SoftWrapModelImpl softWrapModel = myEditor.getSoftWrapModel();
              int symbolWidth =
                  softWrapModel.getMinDrawingWidthInPixels(SoftWrapDrawingType.AFTER_SOFT_WRAP);
              softWrapModel.paint(
                  g,
                  SoftWrapDrawingType.AFTER_SOFT_WRAP,
                  (int) xEnd - symbolWidth,
                  y - myView.getAscent(),
                  myView.getLineHeight());
            }

            @Override
            public void paint(
                Graphics2D g,
                VisualLineFragmentsIterator.Fragment fragment,
                int start,
                int end,
                TextAttributes attributes,
                float xStart,
                float xEnd,
                int y) {
              if (attributes != null && attributes.getForegroundColor() != null) {
                g.setColor(attributes.getForegroundColor());
                fragment.draw(g, xStart, y, start, end);
              }
              if (fragment.getCurrentFoldRegion() == null) {
                int logicalLine = fragment.getStartLogicalLine();
                if (logicalLine != currentLogicalLine[0]) {
                  whitespacePaintingStrategy.update(
                      text,
                      myDocument.getLineStartOffset(logicalLine),
                      myDocument.getLineEndOffset(logicalLine));
                  currentLogicalLine[0] = logicalLine;
                }
                paintWhitespace(
                    g, text, xStart, y, start, end, whitespacePaintingStrategy, fragment);
              }
              if (attributes != null
                  && hasTextEffect(attributes.getEffectColor(), attributes.getEffectType())) {
                paintTextEffect(
                    g, xStart, xEnd, y, attributes.getEffectColor(), attributes.getEffectType());
              }
            }

            @Override
            public void paintAfterLineEnd(
                Graphics2D g,
                Rectangle clip,
                IterationState iterationState,
                int columnStart,
                float x,
                int y) {
              int offset = iterationState.getEndOffset();
              SoftWrapModelImpl softWrapModel = myEditor.getSoftWrapModel();
              if (softWrapModel.getSoftWrap(offset) == null) {
                int logicalLine = myDocument.getLineNumber(offset);
                paintLineExtensions(g, logicalLine, x, y);
              } else {
                softWrapModel.paint(
                    g,
                    SoftWrapDrawingType.BEFORE_SOFT_WRAP_LINE_FEED,
                    (int) x,
                    y - myView.getAscent(),
                    myView.getLineHeight());
              }
            }
          });
    }
  }
Beispiel #22
0
 public boolean hasFocus() {
   return currentView == null ? false : currentView.getComponent().hasFocus();
 }
Beispiel #23
0
 public void requestFocus() {
   if (currentView != null) currentView.getComponent().requestFocus();
 }
 private void paintLineFragments(
     Graphics2D g, Rectangle clip, int visualLine, int y, LineFragmentPainter painter) {
   float x = visualLine == 0 ? myView.getPrefixTextWidthInPixels() : 0;
   int offset = myView.visualPositionToOffset(new VisualPosition(visualLine, 0));
   int visualLineEndOffset =
       myView.visualPositionToOffset(new VisualPosition(visualLine, Integer.MAX_VALUE, true));
   IterationState it = null;
   int prevEndOffset = -1;
   boolean firstFragment = true;
   int maxColumn = 0;
   for (VisualLineFragmentsIterator.Fragment fragment :
       VisualLineFragmentsIterator.create(myView, offset, false)) {
     int fragmentStartOffset = fragment.getStartOffset();
     int start = fragmentStartOffset;
     int end = fragment.getEndOffset();
     x = fragment.getStartX();
     if (firstFragment) {
       firstFragment = false;
       SoftWrap softWrap = myEditor.getSoftWrapModel().getSoftWrap(offset);
       if (softWrap != null) {
         prevEndOffset = offset;
         it =
             new IterationState(
                 myEditor,
                 offset == 0 ? 0 : offset - 1,
                 visualLineEndOffset,
                 true,
                 false,
                 false,
                 false);
         if (it.getEndOffset() <= offset) {
           it.advance();
         }
         painter.paintBeforeLineStart(
             g,
             it.getStartOffset() == offset
                 ? it.getBeforeLineStartBackgroundAttributes()
                 : it.getMergedAttributes(),
             fragment.getStartVisualColumn(),
             fragment.getStartX(),
             y);
       }
     }
     FoldRegion foldRegion = fragment.getCurrentFoldRegion();
     if (foldRegion == null) {
       if (start != prevEndOffset) {
         it =
             new IterationState(
                 myEditor,
                 start,
                 fragment.isRtl() ? offset : visualLineEndOffset,
                 true,
                 false,
                 false,
                 fragment.isRtl());
       }
       prevEndOffset = end;
       assert it != null;
       while (fragment.isRtl() ? start > end : start < end) {
         if (fragment.isRtl() ? it.getEndOffset() >= start : it.getEndOffset() <= start) {
           assert !it.atEnd();
           it.advance();
         }
         TextAttributes attributes = it.getMergedAttributes();
         int curEnd =
             fragment.isRtl()
                 ? Math.max(it.getEndOffset(), end)
                 : Math.min(it.getEndOffset(), end);
         float xNew = fragment.offsetToX(x, start, curEnd);
         painter.paint(
             g,
             fragment,
             fragment.isRtl() ? fragmentStartOffset - start : start - fragmentStartOffset,
             fragment.isRtl() ? fragmentStartOffset - curEnd : curEnd - fragmentStartOffset,
             attributes,
             x,
             xNew,
             y);
         x = xNew;
         start = curEnd;
       }
     } else {
       float xNew = fragment.getEndX();
       painter.paint(
           g,
           fragment,
           0,
           fragment.getEndVisualColumn() - fragment.getStartVisualColumn(),
           getFoldRegionAttributes(foldRegion),
           x,
           xNew,
           y);
       x = xNew;
       prevEndOffset = -1;
       it = null;
     }
     maxColumn = fragment.getEndVisualColumn();
   }
   if (it == null || it.getEndOffset() != visualLineEndOffset) {
     it =
         new IterationState(
             myEditor,
             visualLineEndOffset == offset ? visualLineEndOffset : visualLineEndOffset - 1,
             visualLineEndOffset,
             true,
             false,
             false,
             false);
   }
   if (!it.atEnd()) {
     it.advance();
   }
   assert it.atEnd();
   painter.paintAfterLineEnd(g, clip, it, maxColumn, x, y);
 }
  private void paintBorderEffect(
      Graphics2D g,
      ClipDetector clipDetector,
      int startOffset,
      int endOffset,
      TextAttributes attributes) {
    if (!clipDetector.rangeCanBeVisible(startOffset, endOffset)) return;
    int startLine = myDocument.getLineNumber(startOffset);
    int endLine = myDocument.getLineNumber(endOffset);
    if (startLine + 1 == endLine
        && startOffset == myDocument.getLineStartOffset(startLine)
        && endOffset == myDocument.getLineStartOffset(endLine)) {
      // special case of line highlighters
      endLine--;
      endOffset = myDocument.getLineEndOffset(endLine);
    }

    boolean rounded = attributes.getEffectType() == EffectType.ROUNDED_BOX;
    int lineHeight = myView.getLineHeight() - 1;
    g.setColor(attributes.getEffectColor());
    VisualPosition startPosition = myView.offsetToVisualPosition(startOffset, true, false);
    VisualPosition endPosition = myView.offsetToVisualPosition(endOffset, false, true);
    if (startPosition.line == endPosition.line) {
      int y = myView.visualLineToY(startPosition.line);
      TFloatArrayList ranges = adjustedLogicalRangeToVisualRanges(startOffset, endOffset);
      for (int i = 0; i < ranges.size() - 1; i += 2) {
        int startX = (int) ranges.get(i);
        int endX = (int) ranges.get(i + 1);
        if (rounded) {
          UIUtil.drawRectPickedOut(g, startX, y, endX - startX, lineHeight);
        } else {
          g.drawRect(startX, y, endX - startX, lineHeight);
        }
      }
    } else {
      int maxWidth = myView.getMaxWidthInLineRange(startPosition.line, endPosition.line) - 1;
      TFloatArrayList leadingRanges =
          adjustedLogicalRangeToVisualRanges(
              startOffset,
              myView.visualPositionToOffset(
                  new VisualPosition(startPosition.line, Integer.MAX_VALUE, true)));
      TFloatArrayList trailingRanges =
          adjustedLogicalRangeToVisualRanges(
              myView.visualPositionToOffset(new VisualPosition(endPosition.line, 0)), endOffset);
      if (!leadingRanges.isEmpty() && !trailingRanges.isEmpty()) {
        boolean containsInnerLines = endPosition.line > startPosition.line + 1;
        int leadingTopY = myView.visualLineToY(startPosition.line);
        int leadingBottomY = leadingTopY + lineHeight;
        int trailingTopY = myView.visualLineToY(endPosition.line);
        int trailingBottomY = trailingTopY + lineHeight;
        float start = 0;
        float end = 0;
        float leftGap = leadingRanges.get(0) - (containsInnerLines ? 0 : trailingRanges.get(0));
        int adjustY =
            leftGap == 0 ? 2 : leftGap > 0 ? 1 : 0; // avoiding 1-pixel gap between aligned lines
        for (int i = 0; i < leadingRanges.size() - 1; i += 2) {
          start = leadingRanges.get(i);
          end = leadingRanges.get(i + 1);
          if (i > 0) {
            drawLine(g, leadingRanges.get(i - 1), leadingBottomY, start, leadingBottomY, rounded);
          }
          drawLine(g, start, leadingBottomY + (i == 0 ? adjustY : 0), start, leadingTopY, rounded);
          if ((i + 2) < leadingRanges.size()) {
            drawLine(g, start, leadingTopY, end, leadingTopY, rounded);
            drawLine(g, end, leadingTopY, end, leadingBottomY, rounded);
          }
        }
        end = Math.max(end, maxWidth);
        drawLine(g, start, leadingTopY, end, leadingTopY, rounded);
        drawLine(g, end, leadingTopY, end, trailingTopY - 1, rounded);
        float targetX = trailingRanges.get(trailingRanges.size() - 1);
        drawLine(g, end, trailingTopY - 1, targetX, trailingTopY - 1, rounded);
        adjustY =
            end == targetX
                ? -2
                : -1; // for lastX == targetX we need to avoid a gap when rounding is used
        for (int i = trailingRanges.size() - 2; i >= 0; i -= 2) {
          start = trailingRanges.get(i);
          end = trailingRanges.get(i + 1);

          drawLine(g, end, trailingTopY + (i == 0 ? adjustY : 0), end, trailingBottomY, rounded);
          drawLine(g, end, trailingBottomY, start, trailingBottomY, rounded);
          drawLine(g, start, trailingBottomY, start, trailingTopY, rounded);
          if (i > 0) {
            drawLine(g, start, trailingTopY, trailingRanges.get(i - 1), trailingTopY, rounded);
          }
        }
        float lastX = start;
        if (containsInnerLines) {
          if (start > 0) {
            drawLine(g, start, trailingTopY, start, trailingTopY - 1, rounded);
            drawLine(g, start, trailingTopY - 1, 0, trailingTopY - 1, rounded);
            drawLine(g, 0, trailingTopY - 1, 0, leadingBottomY + 1, rounded);
          } else {
            drawLine(g, start, trailingTopY, 0, leadingBottomY + 1, rounded);
          }
          lastX = 0;
        }
        targetX = leadingRanges.get(0);
        if (lastX < targetX) {
          drawLine(g, lastX, leadingBottomY + 1, targetX, leadingBottomY + 1, rounded);
        } else {
          drawLine(g, lastX, leadingBottomY + 1, lastX, leadingBottomY, rounded);
          drawLine(g, lastX, leadingBottomY, targetX, leadingBottomY, rounded);
        }
      }
    }
  }
 EditorPainter(EditorView view) {
   myView = view;
   myEditor = view.getEditor();
   myDocument = myEditor.getDocument();
 }
 private void paintTextEffect(
     Graphics2D g, float xFrom, float xTo, int y, Color effectColor, EffectType effectType) {
   int xStart = (int) xFrom;
   int xEnd = (int) xTo;
   g.setColor(effectColor);
   if (effectType == EffectType.LINE_UNDERSCORE) {
     UIUtil.drawLine(g, xStart, y + 1, xEnd, y + 1);
   } else if (effectType == EffectType.BOLD_LINE_UNDERSCORE) {
     int height = JBUI.scale(Registry.intValue("editor.bold.underline.height", 2));
     g.fillRect(xStart, y, xEnd - xStart, height);
   } else if (effectType == EffectType.STRIKEOUT) {
     int y1 = y - myView.getCharHeight() / 2;
     UIUtil.drawLine(g, xStart, y1, xEnd, y1);
   } else if (effectType == EffectType.WAVE_UNDERSCORE) {
     UIUtil.drawWave(g, new Rectangle(xStart, y + 1, xEnd - xStart, myView.getDescent() - 1));
   } else if (effectType == EffectType.BOLD_DOTTED_LINE) {
     UIUtil.drawBoldDottedLine(
         g,
         xStart,
         xEnd,
         SystemInfo.isMac ? y : y + 1,
         myEditor.getBackgroundColor(),
         g.getColor(),
         false);
   }
 }