Beispiel #1
0
 private TextStyle getInversedStyle(TextStyle style) {
   TextStyle selectionStyle;
   selectionStyle = style.clone();
   selectionStyle.setOption(Option.INVERSE, !selectionStyle.hasOption(Option.INVERSE));
   if (selectionStyle.getForeground() == null) {
     selectionStyle.setForeground(myStyleState.getForeground());
   }
   if (selectionStyle.getBackground() == null) {
     selectionStyle.setBackground(myStyleState.getBackground());
   }
   return selectionStyle;
 }
Beispiel #2
0
 private StoredCursor createCursorState() {
   return new StoredCursor(
       myCursorX,
       myCursorY,
       myStyleState.getCurrent().clone(),
       isAutoWrap(),
       isOriginMode(),
       myGraphicSetState);
 }
Beispiel #3
0
  /**
   * Draw every char in separate terminal cell to guaranty equal width for different lines.
   * Nevertheless to improve kerning we draw word characters as one block for monospaced fonts.
   */
  private void drawChars(int x, int y, CharBuffer buf, TextStyle style, Graphics2D gfx) {
    final int blockLen = 1;
    int offset = 0;
    int drawCharsOffset = 0;

    // workaround to fix Swing bad rendering of bold special chars on Linux
    // TODO required for italic?
    CharBuffer renderingBuffer;
    if (mySettingsProvider.DECCompatibilityMode() && style.hasOption(TextStyle.Option.BOLD)) {
      renderingBuffer = CharUtils.heavyDecCompatibleBuffer(buf);
    } else {
      renderingBuffer = buf;
    }

    while (offset + blockLen <= buf.length()) {
      if (renderingBuffer.getBuf()[buf.getStart() + offset] == CharUtils.DWC) {
        offset += blockLen;
        drawCharsOffset += blockLen;
        continue; // dont' draw second part(fake one) of double width character
      }

      Font font = getFontToDisplay(buf.charAt(offset + blockLen - 1), style);
      //      while (myMonospaced && (offset + blockLen < buf.getLength()) &&
      // isWordCharacter(buf.charAt(offset + blockLen - 1))
      //              && (font == getFontToDisplay(buf.charAt(offset + blockLen - 1), style))) {
      //        blockLen++;
      //      }
      gfx.setFont(font);

      int descent = gfx.getFontMetrics(font).getDescent();
      int baseLine = (y + 1) * myCharSize.height - descent;
      int xCoord = (x + drawCharsOffset) * myCharSize.width;
      int textLength =
          CharUtils.getTextLengthDoubleWidthAware(
              buf.getBuf(),
              buf.getStart() + offset,
              blockLen,
              mySettingsProvider.ambiguousCharsAreDoubleWidth());

      int yCoord = y * myCharSize.height;

      gfx.setClip(
          xCoord,
          yCoord,
          Math.min(textLength * myCharSize.width, getWidth() - xCoord),
          Math.min(myCharSize.height, getHeight() - yCoord));

      gfx.setColor(getPalette().getColor(myStyleState.getForeground(style.getForegroundForRun())));

      gfx.drawChars(renderingBuffer.getBuf(), buf.getStart() + offset, blockLen, xCoord, baseLine);

      drawCharsOffset += blockLen;
      offset += blockLen;
    }
    gfx.setClip(null);
  }
Beispiel #4
0
  private void drawCharacters(int x, int y, TextStyle style, CharBuffer buf, Graphics2D gfx) {
    int xCoord = x * myCharSize.width;
    int yCoord = y * myCharSize.height;

    if (xCoord < 0 || xCoord > getWidth() || yCoord < 0 || yCoord > getHeight()) {
      return;
    }

    gfx.setColor(getPalette().getColor(myStyleState.getBackground(style.getBackgroundForRun())));
    int textLength =
        CharUtils.getTextLengthDoubleWidthAware(
            buf.getBuf(),
            buf.getStart(),
            buf.length(),
            mySettingsProvider.ambiguousCharsAreDoubleWidth());

    gfx.fillRect(
        xCoord,
        yCoord,
        Math.min(textLength * myCharSize.width, getWidth() - xCoord),
        Math.min(myCharSize.height, getHeight() - yCoord));

    if (buf.isNul()) {
      return; // nothing more to do
    }

    drawChars(x, y, buf, style, gfx);

    gfx.setColor(getPalette().getColor(myStyleState.getForeground(style.getForegroundForRun())));

    int baseLine = (y + 1) * myCharSize.height - myDescent;

    if (style.hasOption(TextStyle.Option.UNDERLINED)) {
      gfx.drawLine(xCoord, baseLine + 1, (x + textLength) * myCharSize.width, baseLine + 1);
    }
  }
Beispiel #5
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  @Override
  public void reset() {
    myGraphicSetState.resetState();

    myStyleState.reset();

    myTerminalTextBuffer.clearAll();

    myDisplay.setScrollingEnabled(true);

    initModes();

    initMouseModes();

    cursorPosition(1, 1);
  }
Beispiel #6
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  @Override
  public void restoreCursor() {
    if (myStoredCursor != null) {
      restoreCursor(myStoredCursor);
    } else { // If nothing was saved by DECSC
      setModeEnabled(TerminalMode.OriginMode, false); // Resets origin mode (DECOM)
      cursorPosition(1, 1); // Moves the cursor to the home position (upper left of screen).
      myStyleState.reset(); // Turns all character attributes off (normal setting).

      myGraphicSetState.resetState();
      // myGraphicSetState.designateGraphicSet(0, CharacterSet.ASCII);//Maps the ASCII character set
      // into GL
      // mapCharsetToGL(0);
      // myGraphicSetState.designateGraphicSet(1, CharacterSet.DEC_SUPPLEMENTAL);
      // mapCharsetToGR(1); //and the DEC Supplemental Graphic set into GR
    }
    myDisplay.setCursor(myCursorX, myCursorY);
  }
Beispiel #7
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  public void restoreCursor(@NotNull StoredCursor storedCursor) {
    myCursorX = storedCursor.getCursorX();
    myCursorY = storedCursor.getCursorY();

    myStyleState.setCurrent(storedCursor.getTextStyle().clone());

    setModeEnabled(TerminalMode.AutoWrap, storedCursor.isAutoWrap());
    setModeEnabled(TerminalMode.OriginMode, storedCursor.isOriginMode());

    CharacterSet[] designations = storedCursor.getDesignations();
    for (int i = 0; i < designations.length; i++) {
      myGraphicSetState.designateGraphicSet(i, designations[i]);
    }
    myGraphicSetState.setGL(storedCursor.getGLMapping());
    myGraphicSetState.setGR(storedCursor.getGRMapping());

    if (storedCursor.getGLOverride() >= 0) {
      myGraphicSetState.overrideGL(storedCursor.getGLOverride());
    }
  }
Beispiel #8
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  @Override
  public void paintComponent(final Graphics g) {
    final Graphics2D gfx = (Graphics2D) g;

    setupAntialiasing(gfx);

    gfx.setColor(getBackground());

    gfx.fillRect(0, 0, getWidth(), getHeight());

    myTerminalTextBuffer.processHistoryAndScreenLines(
        myClientScrollOrigin,
        new StyledTextConsumer() {
          final int columnCount = getColumnCount();

          @Override
          public void consume(
              int x,
              int y,
              @NotNull TextStyle style,
              @NotNull CharBuffer characters,
              int startRow) {
            int row = y - startRow;
            drawCharacters(x, row, style, characters, gfx);
            if (mySelection != null) {
              Pair<Integer, Integer> interval =
                  mySelection.intersect(x, row + myClientScrollOrigin, characters.length());
              if (interval != null) {
                TextStyle selectionStyle = getSelectionStyle(style);
                CharBuffer selectionChars =
                    characters.subBuffer(interval.first - x, interval.second);

                drawCharacters(interval.first, row, selectionStyle, selectionChars, gfx);
              }
            }
          }

          @Override
          public void consumeNul(
              int x, int y, int nulIndex, TextStyle style, CharBuffer characters, int startRow) {
            int row = y - startRow;
            if (mySelection != null) {
              // compute intersection with all NUL areas, non-breaking
              Pair<Integer, Integer> interval =
                  mySelection.intersect(
                      nulIndex, row + myClientScrollOrigin, columnCount - nulIndex);
              if (interval != null) {
                TextStyle selectionStyle = getSelectionStyle(style);
                drawCharacters(x, row, selectionStyle, characters, gfx);
                return;
              }
            }
            drawCharacters(x, row, style, characters, gfx);
          }

          @Override
          public void consumeQueue(int x, int y, int nulIndex, int startRow) {
            if (x < columnCount) {
              consumeNul(
                  x,
                  y,
                  nulIndex,
                  TextStyle.EMPTY,
                  new CharBuffer(CharUtils.EMPTY_CHAR, columnCount - x),
                  startRow);
            }
          }
        });

    int cursorY = myCursor.getCoordY();
    if (myClientScrollOrigin + getRowCount() > cursorY) {
      int cursorX = myCursor.getCoordX();
      Pair<Character, TextStyle> sc = myTerminalTextBuffer.getStyledCharAt(cursorX, cursorY);
      TextStyle normalStyle = sc.second != null ? sc.second : myStyleState.getCurrent();
      TextStyle selectionStyle = getSelectionStyle(normalStyle);
      boolean inSelection = inSelection(cursorX, cursorY);
      myCursor.drawCursor(sc.first, gfx, inSelection ? selectionStyle : normalStyle);
    }

    drawInputMethodUncommitedChars(gfx);

    drawMargins(gfx, getWidth(), getHeight());
  }
Beispiel #9
0
 @Override
 public Color getForeground() {
   return getPalette().getColor(myStyleState.getForeground());
 }
Beispiel #10
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 @Override
 public void characterAttributes(final TextStyle textStyle) {
   myStyleState.setCurrent(textStyle);
 }