コード例 #1
0
  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;
            }
          }
        }
      }
    }
  }
コード例 #2
0
  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);
  }
コード例 #3
0
  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);
    }
  }