コード例 #1
0
ファイル: XTextFieldPeer.java プロジェクト: FauxFaux/jdk9-jdk
 @Override
 public Dimension getMinimumSize(int cols) {
   Font f = xtext.getFont();
   FontMetrics fm = xtext.getFontMetrics(f);
   return new Dimension(
       fm.charWidth('0') * cols + 10, fm.getMaxDescent() + fm.getMaxAscent() + PADDING);
 }
コード例 #2
0
  protected void paintCaret(Graphics gfx, int line, int y) {
    // System.out.println("painting caret " + line + " " + y);
    if (textArea.isCaretVisible()) {
      // System.out.println("caret is visible");
      int offset = textArea.getCaretPosition() - textArea.getLineStartOffset(line);
      int caretX = textArea._offsetToX(line, offset);
      int caretWidth = ((blockCaret || textArea.isOverwriteEnabled()) ? fm.charWidth('w') : 1);
      y += fm.getLeading() + fm.getMaxDescent();
      int height = fm.getHeight();

      // System.out.println("caretX, width = " + caretX + " " + caretWidth);

      gfx.setColor(caretColor);

      if (textArea.isOverwriteEnabled()) {
        gfx.fillRect(caretX, y + height - 1, caretWidth, 1);

      } else {
        // some machines don't like the drawRect for the single
        // pixel caret.. this caused a lot of hell because on that
        // minority of machines, the caret wouldn't show up past
        // the first column. the fix is to use drawLine() in
        // those cases, as a workaround.
        if (caretWidth == 1) {
          gfx.drawLine(caretX, y, caretX, y + height - 1);
        } else {
          gfx.drawRect(caretX, y, caretWidth - 1, height - 1);
        }
        // gfx.drawRect(caretX, y, caretWidth, height - 1);
      }
    }
  }
コード例 #3
0
ファイル: Decipher.java プロジェクト: johnperry/MIRC1
 public ColorPane() {
   super();
   Font font = new Font("Monospaced", Font.PLAIN, 12);
   FontMetrics fm = getFontMetrics(font);
   lineHeight = fm.getHeight();
   setFont(font);
   setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
 }
コード例 #4
0
  protected void paintLineHighlight(Graphics gfx, int line, int y) {
    int height = fm.getHeight();
    y += fm.getLeading() + fm.getMaxDescent();

    int selectionStart = textArea.getSelectionStart();
    int selectionEnd = textArea.getSelectionStop();

    if (selectionStart == selectionEnd) {
      if (lineHighlight) {
        gfx.setColor(lineHighlightColor);
        gfx.fillRect(0, y, getWidth(), height);
      }
    } else {
      gfx.setColor(selectionColor);

      int selectionStartLine = textArea.getSelectionStartLine();
      int selectionEndLine = textArea.getSelectionStopLine();
      int lineStart = textArea.getLineStartOffset(line);

      int x1, x2;
      if (textArea.isSelectionRectangular()) {
        int lineLen = textArea.getLineLength(line);
        x1 =
            textArea._offsetToX(
                line,
                Math.min(
                    lineLen, selectionStart - textArea.getLineStartOffset(selectionStartLine)));
        x2 =
            textArea._offsetToX(
                line,
                Math.min(lineLen, selectionEnd - textArea.getLineStartOffset(selectionEndLine)));
        if (x1 == x2) x2++;
      } else if (selectionStartLine == selectionEndLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else if (line == selectionStartLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = getWidth();
      } else if (line == selectionEndLine) {
        // x1 = 0;
        // hack from stendahl to avoid doing weird side selection thing
        x1 = textArea._offsetToX(line, 0);
        // attempt at getting the gutter too, but doesn't seem to work
        // x1 = textArea._offsetToX(line, -textArea.getHorizontalOffset());
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else {
        // x1 = 0;
        // hack from stendahl to avoid doing weird side selection thing
        x1 = textArea._offsetToX(line, 0);
        // attempt at getting the gutter too, but doesn't seem to work
        // x1 = textArea._offsetToX(line, -textArea.getHorizontalOffset());
        x2 = getWidth();
      }

      // "inlined" min/max()
      gfx.fillRect(x1 > x2 ? x2 : x1, y, x1 > x2 ? (x1 - x2) : (x2 - x1), height);
    }
  }
コード例 #5
0
 protected void paintBracketHighlight(Graphics gfx, int line, int y) {
   int position = textArea.getBracketPosition();
   if (position == -1) return;
   y += fm.getLeading() + fm.getMaxDescent();
   int x = textArea._offsetToX(line, position);
   gfx.setColor(bracketHighlightColor);
   // Hack!!! Since there is no fast way to get the character
   // from the bracket matching routine, we use ( since all
   // brackets probably have the same width anyway
   gfx.drawRect(x, y, fm.charWidth('(') - 1, fm.getHeight() - 1);
 }
コード例 #6
0
  protected void paintLineHighlight(Graphics gfx, int line, int y) {
    int height = fm.getHeight();
    y += fm.getLeading() + fm.getMaxDescent();

    int selectionStart = textArea.getSelectionStart();
    int selectionEnd = textArea.getSelectionEnd();

    if (selectionStart == selectionEnd) {
      if (lineHighlight) {
        gfx.setColor(lineHighlightColor);
        gfx.fillRect(0, y, getWidth(), height);
      }
    } else {
      gfx.setColor(selectionColor);

      int selectionStartLine = textArea.getSelectionStartLine();
      int selectionEndLine = textArea.getSelectionEndLine();
      int lineStart = textArea.getLineStartOffset(line);

      int x1, x2;
      if (textArea.isSelectionRectangular()) {
        int lineLen = textArea.getLineLength(line);
        x1 =
            textArea._offsetToX(
                line,
                Math.min(
                    lineLen, selectionStart - textArea.getLineStartOffset(selectionStartLine)));
        x2 =
            textArea._offsetToX(
                line,
                Math.min(lineLen, selectionEnd - textArea.getLineStartOffset(selectionEndLine)));
        if (x1 == x2) x2++;
      } else if (selectionStartLine == selectionEndLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else if (line == selectionStartLine) {
        x1 = textArea._offsetToX(line, selectionStart - lineStart);
        x2 = getWidth();
      } else if (line == selectionEndLine) {
        x1 = 0;
        x2 = textArea._offsetToX(line, selectionEnd - lineStart);
      } else {
        x1 = 0;
        x2 = getWidth();
      }

      // "inlined" min/max()
      gfx.fillRect(x1 > x2 ? x2 : x1, y, x1 > x2 ? (x1 - x2) : (x2 - x1), height);
    }
  }
コード例 #7
0
  protected void paintSyntaxLine(
      Graphics gfx,
      TokenMarker tokenMarker,
      int line,
      Font defaultFont,
      Color defaultColor,
      int x,
      int y) {
    textArea.getLineText(currentLineIndex, currentLine);
    currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex);

    paintHighlight(gfx, line, y);

    gfx.setFont(defaultFont);
    gfx.setColor(defaultColor);
    y += fm.getHeight();
    x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y);
    /*
     * Draw characters via input method.
     */
    if (compositionTextPainter != null && compositionTextPainter.hasComposedTextLayout()) {
      compositionTextPainter.draw(gfx, lineHighlightColor);
    }
    if (eolMarkers) {
      gfx.setColor(eolMarkerColor);
      gfx.drawString(".", x, y);
    }
  }
コード例 #8
0
 /**
  * Determines the preferred span for this view along an axis.
  *
  * @param axis may be either View.X_AXIS or View.Y_AXIS
  * @return the span the view would like to be rendered into >= 0. Typically the view is told to
  *     render into the span that is returned, although there is no guarantee. The parent may
  *     choose to resize or break the view.
  * @exception IllegalArgumentException for an invalid axis
  */
 @Override
 public float getPreferredSpan(int axis) {
   updateMetrics();
   switch (axis) {
     case View.X_AXIS:
       float span = longLineWidth + getRhsCorrection(); // fudge factor
       if (host.getEOLMarkersVisible()) {
         span += metrics.charWidth('\u00B6');
       }
       return span;
     case View.Y_AXIS:
       // We update lineHeight here as when this method is first
       // called, lineHeight isn't initialized.  If we don't do it
       // here, we get no vertical scrollbar (as lineHeight==0).
       lineHeight = host != null ? host.getLineHeight() : lineHeight;
       //				return getElement().getElementCount() * lineHeight;
       int visibleLineCount = getElement().getElementCount();
       if (host.isCodeFoldingEnabled()) {
         visibleLineCount -= host.getFoldManager().getHiddenLineCount();
       }
       return visibleLineCount * (float) lineHeight;
     default:
       throw new IllegalArgumentException("Invalid axis: " + axis);
   }
 }
コード例 #9
0
 /**
  * Determines the minimum span for this view along an axis. This is implemented to provide the
  * superclass behavior after first making sure that the current font metrics are cached (for the
  * nested lines which use the metrics to determine the height of the potentially wrapped lines).
  *
  * @param axis may be either View.X_AXIS or View.Y_AXIS
  * @return the span the view would like to be rendered into. Typically the view is told to render
  *     into the span that is returned, although there is no guarantee. The parent may choose to
  *     resize or break the view.
  * @see View#getMinimumSpan
  */
 public float getMinimumSpan(int axis) {
   updateMetrics();
   float span = super.getPreferredSpan(axis);
   if (axis == View.X_AXIS) { // EOL marker
     span += metrics.charWidth('\u00b6'); // metrics set in updateMetrics
   }
   return span;
 }
コード例 #10
0
  protected void paintCaret(Graphics gfx, int line, int y) {
    if (textArea.isCaretVisible()) {
      int offset = textArea.getCaretPosition() - textArea.getLineStartOffset(line);
      int caretX = textArea._offsetToX(line, offset);
      int caretWidth = ((blockCaret || textArea.isOverwriteEnabled()) ? fm.charWidth('w') : 1);
      y += fm.getLeading() + fm.getMaxDescent();
      int height = fm.getHeight();

      gfx.setColor(caretColor);

      if (textArea.isOverwriteEnabled()) {
        gfx.fillRect(caretX, y + height - 1, caretWidth, 1);
      } else {
        gfx.drawRect(caretX, y, caretWidth - 1, height - 1);
      }
    }
  }
コード例 #11
0
  /**
   * sets the number of characters per tab.
   *
   * @param charactersPerTab the characters per tab
   */
  public void setTabs(int charactersPerTab) {
    Font f = new Font(m_FontName, Font.PLAIN, m_FontSize);

    FontMetrics fm = Toolkit.getDefaultToolkit().getFontMetrics(f);
    int charWidth = fm.charWidth('w');
    int tabWidth = charWidth * charactersPerTab;

    TabStop[] tabs = new TabStop[MAX_TABS];

    for (int j = 0; j < tabs.length; j++) tabs[j] = new TabStop((j + 1) * tabWidth);

    TabSet tabSet = new TabSet(tabs);
    SimpleAttributeSet attributes = new SimpleAttributeSet();
    StyleConstants.setTabSet(attributes, tabSet);
    int length = getLength();
    setParagraphAttributes(0, length, attributes, false);
  }
コード例 #12
0
ファイル: TextLineNumber.java プロジェクト: dejlek/jlib
  /*
   *  Determine the Y offset for the current row
   */
  private int getOffsetY(int rowStartOffset, FontMetrics fontMetrics) throws BadLocationException {
    //  Get the bounding rectangle of the row

    Rectangle r = component.modelToView(rowStartOffset);
    int lineHeight = fontMetrics.getHeight();
    int y = r.y + r.height;
    int descent = 0;

    //  The text needs to be positioned above the bottom of the bounding
    //  rectangle based on the descent of the font(s) contained on the row.
    if (r.height == lineHeight) {
      // default font is being used
      descent = fontMetrics.getDescent();
    } else {
      // We need to check all the attributes for font changes
      if (fonts == null) {
        fonts = new HashMap<String, FontMetrics>();
      }

      Element root = component.getDocument().getDefaultRootElement();
      int index = root.getElementIndex(rowStartOffset);
      Element line = root.getElement(index);

      for (int i = 0; i < line.getElementCount(); i++) {
        Element child = line.getElement(i);
        AttributeSet as = child.getAttributes();
        String fontFamily = (String) as.getAttribute(StyleConstants.FontFamily);
        Integer fontSize = (Integer) as.getAttribute(StyleConstants.FontSize);
        String key = fontFamily + fontSize;

        FontMetrics fm = fonts.get(key);

        if (fm == null) {
          Font font = new Font(fontFamily, Font.PLAIN, fontSize);
          fm = component.getFontMetrics(font);
          fonts.put(key, fm);
        }

        descent = Math.max(descent, fm.getDescent());
      }
    }

    return y - descent;
  }
コード例 #13
0
ファイル: TextLineNumber.java プロジェクト: dejlek/jlib
  /** Calculate the width needed to display the maximum line number */
  private void setPreferredWidth() {
    Element root = component.getDocument().getDefaultRootElement();
    int lines = root.getElementCount();
    int digits = Math.max(String.valueOf(lines).length(), minimumDisplayDigits);

    //  Update sizes when number of digits in the line number changes
    if (lastDigits != digits) {
      lastDigits = digits;
      FontMetrics fontMetrics = getFontMetrics(getFont());
      int width = fontMetrics.charWidth('0') * digits;
      Insets insets = getInsets();
      int preferredWidth = insets.left + insets.right + width;

      Dimension d = getPreferredSize();
      d.setSize(preferredWidth, HEIGHT);
      setPreferredSize(d);
      setSize(d);
    }
  }
コード例 #14
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  private void setTabSize(int charactersPerTab) {
    FontMetrics fm = this.getFontMetrics(this.getFont());
    int charWidth = fm.charWidth('w');
    int tabWidth = charWidth * charactersPerTab;

    TabStop[] tabs = new TabStop[10];

    for (int j = 0; j < tabs.length; j++) {
      int tab = j + 1;
      tabs[j] = new TabStop(tab * tabWidth);
    }

    TabSet tabSet = new TabSet(tabs);
    SimpleAttributeSet attributes = new SimpleAttributeSet();
    StyleConstants.setFontSize(attributes, 18);
    StyleConstants.setFontFamily(attributes, "Osaka-Mono");
    StyleConstants.setTabSet(attributes, tabSet);
    int length = getDocument().getLength();
    getStyledDocument().setParagraphAttributes(0, length, attributes, true);
  }
コード例 #15
0
ファイル: TextLineNumber.java プロジェクト: Horopter/Vignya
  /**
   * Draw the line numbers
   *
   * @param g
   */
  @Override
  public void paintComponent(Graphics g) {
    super.paintComponent(g);

    ((Graphics2D) g)
        .setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    //	Determine the width of the space available to draw the line number

    FontMetrics fontMetrics = component.getFontMetrics(component.getFont());
    Insets insets = getInsets();
    int availableWidth = getSize().width - insets.left - insets.right;

    //  Determine the rows to draw within the clipped bounds.

    Rectangle clip = g.getClipBounds();
    int rowStartOffset = component.viewToModel(new Point(0, clip.y));
    int endOffset = component.viewToModel(new Point(0, clip.y + clip.height));

    while (rowStartOffset <= endOffset) {
      try {
        if (isCurrentLine(rowStartOffset)) g.setColor(getCurrentLineForeground());
        else g.setColor(getForeground());

        //  Get the line number as a string and then determine the
        //  "X" and "Y" offsets for drawing the string.

        String lineNumber = getTextLineNumber(rowStartOffset);
        int stringWidth = fontMetrics.stringWidth(lineNumber);
        int x = getOffsetX(availableWidth, stringWidth) + insets.left;
        int y = getOffsetY(rowStartOffset, fontMetrics);
        g.drawString(lineNumber, x, y);

        //  Move to the next row

        rowStartOffset = Utilities.getRowEnd(component, rowStartOffset) + 1;
      } catch (Exception e) {
        break;
      }
    }
  }
コード例 #16
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  protected void paintPlainLine(
      Graphics gfx, int line, Font defaultFont, Color defaultColor, int x, int y) {
    paintHighlight(gfx, line, y);
    textArea.getLineText(line, currentLine);

    gfx.setFont(defaultFont);
    gfx.setColor(defaultColor);

    y += fm.getHeight();
    x = Utilities.drawTabbedText(currentLine, x, y, gfx, this, 0);

    if (eolMarkers) {
      gfx.setColor(eolMarkerColor);
      gfx.drawString(".", x, y);
    }
  }
コード例 #17
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 /**
  * Iterate over the lines represented by the child elements of the element this view represents,
  * looking for the line that is the longest. The <em>longLine</em> variable is updated to
  * represent the longest line contained. The <em>font</em> variable is updated to indicate the
  * font used to calculate the longest line.
  */
 void calculateLongestLine() {
   Component c = getContainer();
   font = c.getFont();
   metrics = c.getFontMetrics(font);
   tabSize = getTabSize() * metrics.charWidth(' ');
   Element lines = getElement();
   int n = lines.getElementCount();
   for (int i = 0; i < n; i++) {
     Element line = lines.getElement(i);
     float w = getLineWidth(i);
     if (w > longLineWidth) {
       longLineWidth = w;
       longLine = line;
     }
   }
 }
コード例 #18
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  protected void paintLine(Graphics gfx, TokenMarker tokenMarker, int line, int x) {
    Font defaultFont = getFont();
    Color defaultColor = getForeground();

    currentLineIndex = line;
    int y = textArea.lineToY(line);

    if (line < 0 || line >= textArea.getLineCount()) {
      if (paintInvalid) {
        paintHighlight(gfx, line, y);
        styles[Token.INVALID].setGraphicsFlags(gfx, defaultFont);
        gfx.drawString("~", 0, y + fm.getHeight());
      }
    } else if (tokenMarker == null) {
      paintPlainLine(gfx, line, defaultFont, defaultColor, x, y);
    } else {
      paintSyntaxLine(gfx, tokenMarker, line, defaultFont, defaultColor, x, y);
    }
  }
コード例 #19
0
  protected void paintPlainLine(
      Graphics gfx, int line, Font defaultFont, Color defaultColor, int x, int y) {
    paintHighlight(gfx, line, y);
    textArea.getLineText(line, currentLine);

    gfx.setFont(defaultFont);
    gfx.setColor(defaultColor);

    y += fm.getHeight();
    x = Utilities.drawTabbedText(currentLine, x, y, gfx, this, 0);
    // Draw characters via input method.
    if (compositionTextPainter != null && compositionTextPainter.hasComposedTextLayout()) {
      compositionTextPainter.draw(gfx, lineHighlightColor);
    }
    if (eolMarkers) {
      gfx.setColor(eolMarkerColor);
      gfx.drawString(".", x, y);
    }
  }
コード例 #20
0
  protected void paintSyntaxLine(
      Graphics gfx,
      TokenMarker tokenMarker,
      int line,
      Font defaultFont,
      Color defaultColor,
      int x,
      int y) {
    textArea.getLineText(currentLineIndex, currentLine);
    currentLineTokens = tokenMarker.markTokens(currentLine, currentLineIndex);

    paintHighlight(gfx, line, y);

    gfx.setFont(defaultFont);
    gfx.setColor(defaultColor);
    y += fm.getHeight();
    x = SyntaxUtilities.paintSyntaxLine(currentLine, currentLineTokens, styles, this, gfx, x, y);

    if (eolMarkers) {
      gfx.setColor(eolMarkerColor);
      gfx.drawString(".", x, y);
    }
  }
コード例 #21
0
 /**
  * Determines the preferred span for this view along an axis. This is implemented to provide the
  * superclass behavior after first making sure that the current font metrics are cached (for the
  * nested lines which use the metrics to determine the height of the potentially wrapped lines).
  *
  * @param axis may be either View.X_AXIS or View.Y_AXIS
  * @return the span the view would like to be rendered into. Typically the view is told to render
  *     into the span that is returned, although there is no guarantee. The parent may choose to
  *     resize or break the view.
  * @see View#getPreferredSpan
  */
 public float getPreferredSpan(int axis) {
   updateMetrics();
   float span = 0;
   if (axis == View.X_AXIS) { // Add EOL marker
     span = super.getPreferredSpan(axis);
     span += metrics.charWidth('\u00b6'); // metrics set in updateMetrics
   } else {
     span = super.getPreferredSpan(axis);
     host = (RSyntaxTextArea) getContainer();
     if (host.isCodeFoldingEnabled()) {
       // TODO: Cache y-offsets again to speed this up
       // System.out.println("y-axis baby");
       int lineCount = host.getLineCount();
       FoldManager fm = host.getFoldManager();
       for (int i = 0; i < lineCount; i++) {
         if (fm.isLineHidden(i)) {
           span -= getSpan(View.Y_AXIS, i);
         }
       }
     }
   }
   return span;
 }
コード例 #22
0
ファイル: JEditTextArea.java プロジェクト: zeph/grinder
 /**
  * Converts a y co-ordinate to a line index.
  *
  * @param y The y co-ordinate
  */
 public int yToLine(int y) {
   FontMetrics fm = painter.getFontMetrics();
   int height = fm.getHeight();
   return Math.max(0, Math.min(getLineCount() - 1, y / height + firstLine));
 }
コード例 #23
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  @Override
  protected void paintText(
      Graphics g,
      int tabPlacement,
      Font font,
      FontMetrics metrics,
      int tabIndex,
      String title,
      Rectangle textRect,
      boolean isSelected) {
    g.setFont(font);

    int titleWidth = SwingUtilities.computeStringWidth(metrics, title);

    int preferredWidth = 0;
    if (isOneActionButtonEnabled()) {
      preferredWidth = calculateTabWidth(tabPlacement, tabIndex, metrics) - WIDTHDELTA - 15;

      if (isCloseEnabled()) preferredWidth -= BUTTONSIZE;

      if (isMaxEnabled()) preferredWidth -= BUTTONSIZE;
    } else {
      preferredWidth = titleWidth;
    }

    while (titleWidth > preferredWidth) {
      if (title.endsWith("...")) title = title.substring(0, title.indexOf("...") - 1).concat("...");
      else title = title.substring(0, title.length() - 4).concat("...");

      titleWidth = SwingUtilities.computeStringWidth(metrics, title);
    }

    textRect.width = titleWidth;

    View v = getTextViewForTab(tabIndex);
    if (v != null) {
      // html
      v.paint(g, textRect);
    } else {
      // plain text
      int mnemIndex = tabPane.getDisplayedMnemonicIndexAt(tabIndex);

      if (tabPane.isEnabled() && tabPane.isEnabledAt(tabIndex)) {
        if (isSelected) g.setColor(TAB_SELECTED_FOREGROUND_COLOR);
        else {
          if (this.isTabHighlighted(tabIndex)) {
            g.setColor(TAB_HIGHLIGHT_FOREGROUND_COLOR);
          } else g.setColor(tabPane.getForegroundAt(tabIndex));
        }

        BasicGraphicsUtils.drawString(
            g, title, mnemIndex, textRect.x, textRect.y + metrics.getAscent());
      } else { // tab disabled
        g.setColor(tabPane.getBackgroundAt(tabIndex).brighter());
        BasicGraphicsUtils.drawStringUnderlineCharAt(
            g, title, mnemIndex, textRect.x, textRect.y + metrics.getAscent());

        g.setColor(tabPane.getBackgroundAt(tabIndex).darker());
        BasicGraphicsUtils.drawStringUnderlineCharAt(
            g, title, mnemIndex, textRect.x - 1, textRect.y + metrics.getAscent() - 1);
      }
    }
  }
コード例 #24
0
ファイル: FTACanvas.java プロジェクト: jandcmoore/OpenFTA
 private int getFontHeight() {
   return fmRef.getHeight();
 }
コード例 #25
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ファイル: FTACanvas.java プロジェクト: jandcmoore/OpenFTA
 private int getTextWidth(String text) {
   return fmRef.stringWidth(text);
 }
コード例 #26
0
ファイル: WrappedSyntaxView.java プロジェクト: Mindtoeye/Hoop
 final void updateMetrics() {
   Component host = getContainer();
   Font f = host.getFont();
   metrics = host.getFontMetrics(f); // Metrics for the default font.
   tabSize = getTabSize() * metrics.charWidth('m');
 }
コード例 #27
0
ファイル: JEditTextArea.java プロジェクト: zeph/grinder
  /**
   * Converts an x co-ordinate to an offset within a line.
   *
   * @param line The line
   * @param x The x co-ordinate
   */
  public int xToOffset(int line, int x) {
    TokenMarker tokenMarker = getTokenMarker();

    /* Use painter's cached info for speed */
    FontMetrics fm = painter.getFontMetrics();

    getLineText(line, lineSegment);

    char[] segmentArray = lineSegment.array;
    int segmentOffset = lineSegment.offset;
    int segmentCount = lineSegment.count;

    int width = horizontalOffset;

    if (tokenMarker == null) {
      for (int i = 0; i < segmentCount; i++) {
        char c = segmentArray[i + segmentOffset];
        int charWidth;
        if (c == '\t') charWidth = (int) painter.nextTabStop(width, i) - width;
        else charWidth = fm.charWidth(c);

        if (painter.isBlockCaretEnabled()) {
          if (x - charWidth <= width) return i;
        } else {
          if (x - charWidth / 2 <= width) return i;
        }

        width += charWidth;
      }

      return segmentCount;
    } else {
      Token tokens;
      if (painter.currentLineIndex == line && painter.currentLineTokens != null)
        tokens = painter.currentLineTokens;
      else {
        painter.currentLineIndex = line;
        tokens = painter.currentLineTokens = tokenMarker.markTokens(lineSegment, line);
      }

      int offset = 0;
      Toolkit toolkit = painter.getToolkit();
      Font defaultFont = painter.getFont();
      SyntaxStyle[] styles = painter.getStyles();

      for (; ; ) {
        byte id = tokens.id;
        if (id == Token.END) return offset;

        if (id == Token.NULL) fm = painter.getFontMetrics();
        else fm = styles[id].getFontMetrics(defaultFont);

        int length = tokens.length;

        for (int i = 0; i < length; i++) {
          char c = segmentArray[segmentOffset + offset + i];
          int charWidth;
          if (c == '\t') charWidth = (int) painter.nextTabStop(width, offset + i) - width;
          else charWidth = fm.charWidth(c);

          if (painter.isBlockCaretEnabled()) {
            if (x - charWidth <= width) return offset + i;
          } else {
            if (x - charWidth / 2 <= width) return offset + i;
          }

          width += charWidth;
        }

        offset += length;
        tokens = tokens.next;
      }
    }
  }
コード例 #28
0
  protected void paintText(
      Graphics g,
      int tabPlacement,
      Font font,
      FontMetrics metrics,
      int tabIndex,
      String title,
      Rectangle textRect,
      boolean isSelected) {
    g.setFont(font);
    View v = getTextViewForTab(tabIndex);
    if (v != null) {
      // html
      Graphics2D g2D = (Graphics2D) g;
      Object savedRenderingHint = null;
      if (AbstractLookAndFeel.getTheme().isTextAntiAliasingOn()) {
        savedRenderingHint = g2D.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING);
        g2D.setRenderingHint(
            RenderingHints.KEY_TEXT_ANTIALIASING,
            AbstractLookAndFeel.getTheme().getTextAntiAliasingHint());
      }
      v.paint(g, textRect);
      if (AbstractLookAndFeel.getTheme().isTextAntiAliasingOn()) {
        g2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, savedRenderingHint);
      }
    } else {
      // plain text
      int mnemIndex = -1;
      if (JTattooUtilities.getJavaVersion() >= 1.4) {
        mnemIndex = tabPane.getDisplayedMnemonicIndexAt(tabIndex);
      }

      if (tabPane.isEnabled() && tabPane.isEnabledAt(tabIndex)) {
        if (isSelected && (tabPane.getBackgroundAt(tabIndex) instanceof UIResource)) {
          Color shadowColor = ColorHelper.darker(AcrylLookAndFeel.getWindowTitleColorDark(), 30);
          g.setColor(shadowColor);
          JTattooUtilities.drawStringUnderlineCharAt(
              tabPane, g, title, mnemIndex, textRect.x - 1, textRect.y - 1 + metrics.getAscent());
          JTattooUtilities.drawStringUnderlineCharAt(
              tabPane, g, title, mnemIndex, textRect.x - 1, textRect.y + 1 + metrics.getAscent());
          JTattooUtilities.drawStringUnderlineCharAt(
              tabPane, g, title, mnemIndex, textRect.x + 1, textRect.y - 1 + metrics.getAscent());
          JTattooUtilities.drawStringUnderlineCharAt(
              tabPane, g, title, mnemIndex, textRect.x + 1, textRect.y + 1 + metrics.getAscent());
          g.setColor(AbstractLookAndFeel.getTheme().getWindowTitleForegroundColor());
        } else {
          g.setColor(tabPane.getForegroundAt(tabIndex));
        }
        JTattooUtilities.drawStringUnderlineCharAt(
            tabPane, g, title, mnemIndex, textRect.x, textRect.y + metrics.getAscent());

      } else { // tab disabled
        g.setColor(tabPane.getBackgroundAt(tabIndex).brighter());
        JTattooUtilities.drawStringUnderlineCharAt(
            tabPane, g, title, mnemIndex, textRect.x, textRect.y + metrics.getAscent());
        g.setColor(tabPane.getBackgroundAt(tabIndex).darker());
        JTattooUtilities.drawStringUnderlineCharAt(
            tabPane, g, title, mnemIndex, textRect.x - 1, textRect.y + metrics.getAscent() - 1);
      }
    }
  }
コード例 #29
0
ファイル: JEditTextArea.java プロジェクト: zeph/grinder
 /**
  * Converts a line index to a y co-ordinate.
  *
  * @param line The line
  */
 public int lineToY(int line) {
   FontMetrics fm = painter.getFontMetrics();
   return (line - firstLine) * fm.getHeight() - (fm.getLeading() + fm.getMaxDescent());
 }