Esempio n. 1
0
  private void init(
      final int visibleWidth,
      @NotNull String fileText,
      @NotNull TestFileType fileType,
      final int symbolWidth)
      throws IOException {
    init(fileText, fileType);
    myEditor.getSettings().setUseSoftWraps(true);
    SoftWrapModelImpl model = (SoftWrapModelImpl) myEditor.getSoftWrapModel();
    model.reinitSettings();

    SoftWrapApplianceManager applianceManager = model.getApplianceManager();
    applianceManager.setWidthProvider(
        new SoftWrapApplianceManager.VisibleAreaWidthProvider() {
          @Override
          public int getVisibleAreaWidth() {
            return visibleWidth;
          }
        });

    if (symbolWidth > 0) {
      model.setEditorTextRepresentationHelper(
          new DefaultEditorTextRepresentationHelper(myEditor) {
            @Override
            public int charWidth(char c, int fontType) {
              return symbolWidth;
            }
          });
    }

    applianceManager.registerSoftWrapIfNecessary();
  }
  /**
   * Configures given editor to wrap at given width, assuming characters are of given width
   *
   * @return whether any actual wraps of editor contents were created as a result of turning on soft
   *     wraps
   */
  @TestOnly
  public static boolean configureSoftWraps(
      Editor editor, final int visibleWidth, final int charWidthInPixels) {
    editor.getSettings().setUseSoftWraps(true);
    SoftWrapModelImpl model = (SoftWrapModelImpl) editor.getSoftWrapModel();
    model.setSoftWrapPainter(
        new SoftWrapPainter() {
          @Override
          public int paint(
              @NotNull Graphics g,
              @NotNull SoftWrapDrawingType drawingType,
              int x,
              int y,
              int lineHeight) {
            return charWidthInPixels;
          }

          @Override
          public int getDrawingHorizontalOffset(
              @NotNull Graphics g,
              @NotNull SoftWrapDrawingType drawingType,
              int x,
              int y,
              int lineHeight) {
            return charWidthInPixels;
          }

          @Override
          public int getMinDrawingWidth(@NotNull SoftWrapDrawingType drawingType) {
            return charWidthInPixels;
          }

          @Override
          public boolean canUse() {
            return true;
          }

          @Override
          public void reinit() {}
        });
    model.reinitSettings();

    SoftWrapApplianceManager applianceManager = model.getApplianceManager();
    applianceManager.setWidthProvider(
        new SoftWrapApplianceManager.VisibleAreaWidthProvider() {
          @Override
          public int getVisibleAreaWidth() {
            return visibleWidth;
          }
        });
    model.setEditorTextRepresentationHelper(
        new DefaultEditorTextRepresentationHelper(editor) {
          @Override
          public int charWidth(char c, int fontType) {
            return charWidthInPixels;
          }
        });
    applianceManager.registerSoftWrapIfNecessary();
    return !model.getRegisteredSoftWraps().isEmpty();
  }