Java Code Examples for sun.swing.SwingUtilities2#stringWidth()

public Dimension getPreferredSize(JComponent c) {
    Font font = c.getFont();
    FontMetrics fm = c.getFontMetrics(font);
    Insets insets = c.getInsets();

    Dimension prefSize = new Dimension(insets.left+insets.right,
                                       insets.top+insets.bottom);
    String text = ((JToolTip)c).getTipText();

    if ((text == null) || text.equals("")) {
        text = "";
    }
    else {
        View v = (c != null) ? (View) c.getClientProperty("html") : null;
        if (v != null) {
            prefSize.width += (int) v.getPreferredSpan(View.X_AXIS) + 6;
            prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
        } else {
            prefSize.width += SwingUtilities2.stringWidth(c,fm,text) + 6;
            prefSize.height += fm.getHeight();
        }
    }
    return prefSize;
}
 

/**
 * Designate the place where the progress string will be painted.
 * This implementation places it at the center of the progress
 * bar (in both x and y). Override this if you want to right,
 * left, top, or bottom align the progress string or if you need
 * to nudge it around for any reason.
 */
protected Point getStringPlacement(Graphics g, String progressString,
                                   int x,int y,int width,int height) {
    FontMetrics fontSizer = SwingUtilities2.getFontMetrics(progressBar, g,
                                        progressBar.getFont());
    int stringWidth = SwingUtilities2.stringWidth(progressBar, fontSizer,
                                                  progressString);

    if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
        return new Point(x + Math.round(width/2 - stringWidth/2),
                         y + ((height +
                             fontSizer.getAscent() -
                             fontSizer.getLeading() -
                             fontSizer.getDescent()) / 2));
    } else { // VERTICAL
        return new Point(x + ((width - fontSizer.getAscent() +
                fontSizer.getLeading() + fontSizer.getDescent()) / 2),
                y + Math.round(height/2 - stringWidth/2));
    }
}
 

/**
 * Calculates the tab width.
 * @param tabPlacement  the placement (left, right, bottom, top) of the tab
 * @param tabIndex      the index of the tab with respect to other tabs
 * @param metrics       the font metrics
 * @return the tab width
 */
protected int calculateTabWidth(int tabPlacement, int tabIndex, FontMetrics metrics) {
    Insets tabInsets = getTabInsets(tabPlacement, tabIndex);
    int width = tabInsets.left + tabInsets.right + 3;
    Component tabComponent = tabPane.getTabComponentAt(tabIndex);
    if (tabComponent != null) {
        width += tabComponent.getPreferredSize().width;
    } else {
        Icon icon = getIconForTab(tabIndex);
        if (icon != null) {
            width += icon.getIconWidth() + textIconGap;
        }
        View v = getTextViewForTab(tabIndex);
        if (v != null) {
            // html
            width += (int) v.getPreferredSpan(View.X_AXIS);
        } else {
            // plain text
            String title = tabPane.getTitleAt(tabIndex);
            width += SwingUtilities2.stringWidth(tabPane, metrics, title);
        }
    }
    return width;
}
 

public Dimension getPreferredSize(JComponent c) {
    Font font = c.getFont();
    FontMetrics fm = c.getFontMetrics(font);
    Insets insets = c.getInsets();

    Dimension prefSize = new Dimension(insets.left+insets.right,
                                       insets.top+insets.bottom);
    String text = ((JToolTip)c).getTipText();

    if ((text == null) || text.equals("")) {
        text = "";
    }
    else {
        View v = (c != null) ? (View) c.getClientProperty("html") : null;
        if (v != null) {
            prefSize.width += (int) v.getPreferredSpan(View.X_AXIS) + 6;
            prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
        } else {
            prefSize.width += SwingUtilities2.stringWidth(c,fm,text) + 6;
            prefSize.height += fm.getHeight();
        }
    }
    return prefSize;
}
 

/**
 * Designate the place where the progress string will be painted.
 * This implementation places it at the center of the progress
 * bar (in both x and y). Override this if you want to right,
 * left, top, or bottom align the progress string or if you need
 * to nudge it around for any reason.
 */
protected Point getStringPlacement(Graphics g, String progressString,
                                   int x,int y,int width,int height) {
    FontMetrics fontSizer = SwingUtilities2.getFontMetrics(progressBar, g,
                                        progressBar.getFont());
    int stringWidth = SwingUtilities2.stringWidth(progressBar, fontSizer,
                                                  progressString);

    if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
        return new Point(x + Math.round(width/2 - stringWidth/2),
                         y + ((height +
                             fontSizer.getAscent() -
                             fontSizer.getLeading() -
                             fontSizer.getDescent()) / 2));
    } else { // VERTICAL
        return new Point(x + ((width - fontSizer.getAscent() +
                fontSizer.getLeading() + fontSizer.getDescent()) / 2),
                y + Math.round(height/2 - stringWidth/2));
    }
}
 

protected int calculateTabWidth(int tabPlacement, int tabIndex, FontMetrics metrics) {
    Insets tabInsets = getTabInsets(tabPlacement, tabIndex);
    int width = tabInsets.left + tabInsets.right + 3;
    Component tabComponent = tabPane.getTabComponentAt(tabIndex);
    if (tabComponent != null) {
        width += tabComponent.getPreferredSize().width;
    } else {
        Icon icon = getIconForTab(tabIndex);
        if (icon != null) {
            width += icon.getIconWidth() + textIconGap;
        }
        View v = getTextViewForTab(tabIndex);
        if (v != null) {
            // html
            width += (int) v.getPreferredSpan(View.X_AXIS);
        } else {
            // plain text
            String title = tabPane.getTitleAt(tabIndex);
            width += SwingUtilities2.stringWidth(tabPane, metrics, title);
        }
    }
    return width;
}
 

public Dimension getPreferredSize(JComponent c) {
    Font font = c.getFont();
    FontMetrics fm = c.getFontMetrics(font);
    Insets insets = c.getInsets();

    Dimension prefSize = new Dimension(insets.left+insets.right,
                                       insets.top+insets.bottom);
    String text = ((JToolTip)c).getTipText();

    if ((text == null) || text.equals("")) {
        text = "";
    }
    else {
        View v = (c != null) ? (View) c.getClientProperty("html") : null;
        if (v != null) {
            prefSize.width += (int) v.getPreferredSpan(View.X_AXIS) + 6;
            prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
        } else {
            prefSize.width += SwingUtilities2.stringWidth(c,fm,text) + 6;
            prefSize.height += fm.getHeight();
        }
    }
    return prefSize;
}
 

private int paintText(final Graphics g, final int offsetX) {
    GraphicsContext config = GraphicsUtil.setupAntialiasing(g);
    g.setFont(getFont());
    JComponent host = getColorChooser();
    if (host == null) {
        host = this;
    }
    FontMetrics fm = SwingUtilities2.getFontMetrics(host, g);

    int ascent = fm.getAscent();
    int height = fm.getHeight();
    int width = SwingUtilities2.stringWidth(host, fm, getSampleText());
    int textXOffset = offsetX + TEXT_GAP;

    Color color = getForeground();
    g.setColor(color);
    SwingUtilities2.drawString(host, g, getSampleText(), textXOffset + (TEXT_GAP / 2), ascent);

    g.fillRect(textXOffset, (height) + TEXT_GAP, width + (TEXT_GAP), height + 2);

    g.setColor(Color.black);
    SwingUtilities2.drawString(host, g, getSampleText(), textXOffset + (TEXT_GAP / 2),
                               height + ascent + TEXT_GAP + 2);

    g.setColor(Color.white);

    g.fillRect(textXOffset, (height + TEXT_GAP) * 2, width + (TEXT_GAP), height + 2);

    g.setColor(color);
    SwingUtilities2.drawString(host, g, getSampleText(), textXOffset + (TEXT_GAP / 2),
                               ((height + TEXT_GAP) * 2) + ascent + 2);

    config.restore();
    return width + TEXT_GAP * 3;
}
 

public Dimension getPreferredSize() {
    JComponent host = getColorChooser();
    if (host == null) {
        host = this;
    }
    FontMetrics fm = host.getFontMetrics(getFont());

    int ascent = fm.getAscent();
    int height = fm.getHeight();
    int width = SwingUtilities2.stringWidth(host, fm, getSampleText());

    int y = height*3 + textGap*3;
    int x = squareSize * 3 + squareGap*2 + swatchWidth + width + textGap*3;
    return new Dimension( x,y );
}
 

/**
 * Draws the letter or number for an ordered list.
 *
 * @param g     the graphics context
 * @param letter type of ordered list to draw
 * @param ax    x coordinate to place the bullet
 * @param ay    y coordinate to place the bullet
 * @param aw    width of the container the bullet is placed in
 * @param ah    height of the container the bullet is placed in
 * @param index position of the list item in the list
 */
void drawLetter(Graphics g, char letter, int ax, int ay, int aw,
                int ah, float align, int index) {
    String str = formatItemNum(index, letter);
    str = isLeftToRight ? str + "." : "." + str;
    FontMetrics fm = SwingUtilities2.getFontMetrics(null, g);
    int stringwidth = SwingUtilities2.stringWidth(null, fm, str);
    int gap = isLeftToRight ? - (stringwidth + bulletgap) :
                                (aw + bulletgap);
    int x = ax + gap;
    int y = Math.max(ay + fm.getAscent(), ay + (int)(ah * align));
    SwingUtilities2.drawString(null, g, str, x, y);
}
 

public Dimension getPreferredSize() {
    String title = frame.getTitle();
    FontMetrics fm = frame.getFontMetrics(defaultTitleFont);
    int w = 4;
    if (title != null) {
        w += SwingUtilities2.stringWidth(frame, fm, title);
    }
    return new Dimension(w, LABEL_HEIGHT + LABEL_DIVIDER);
}
 

/**
 * Draws the letter or number for an ordered list.
 *
 * @param g     the graphics context
 * @param letter type of ordered list to draw
 * @param ax    x coordinate to place the bullet
 * @param ay    y coordinate to place the bullet
 * @param aw    width of the container the bullet is placed in
 * @param ah    height of the container the bullet is placed in
 * @param index position of the list item in the list
 */
void drawLetter(Graphics g, char letter, int ax, int ay, int aw,
                int ah, float align, int index) {
    String str = formatItemNum(index, letter);
    str = isLeftToRight ? str + "." : "." + str;
    FontMetrics fm = SwingUtilities2.getFontMetrics(null, g);
    int stringwidth = SwingUtilities2.stringWidth(null, fm, str);
    int gap = isLeftToRight ? - (stringwidth + bulletgap) :
                                (aw + bulletgap);
    int x = ax + gap;
    int y = Math.max(ay + fm.getAscent(), ay + (int)(ah * align));
    SwingUtilities2.drawString(null, g, str, x, y);
}
 

public Dimension getPreferredSize(JComponent c) {
    LayoutManager layout = c.getLayout();
    Dimension d = layout.preferredLayoutSize(c);
    String title = ((JPopupMenu)c).getLabel();
    if (titleFont == null) {
        UIDefaults table = UIManager.getLookAndFeelDefaults();
        titleFont = table.getFont("PopupMenu.font");
    }
    FontMetrics fm = c.getFontMetrics(titleFont);
    int         stringWidth = 0;

    if (title!=null) {
        stringWidth += SwingUtilities2.stringWidth(c, fm, title);
    }

    if (d.width < stringWidth) {
        d.width = stringWidth + 8;
        Insets i = c.getInsets();
        if (i!=null) {
            d.width += i.left + i.right;
        }
        if (border != null) {
            i = border.getBorderInsets(c);
            d.width += i.left + i.right;
        }

        return d;
    }
    return null;
}
 

/**
 * Draws the letter or number for an ordered list.
 *
 * @param g     the graphics context
 * @param letter type of ordered list to draw
 * @param ax    x coordinate to place the bullet
 * @param ay    y coordinate to place the bullet
 * @param aw    width of the container the bullet is placed in
 * @param ah    height of the container the bullet is placed in
 * @param index position of the list item in the list
 */
void drawLetter(Graphics g, char letter, int ax, int ay, int aw,
                int ah, float align, int index) {
    String str = formatItemNum(index, letter);
    str = isLeftToRight ? str + "." : "." + str;
    FontMetrics fm = SwingUtilities2.getFontMetrics(null, g);
    int stringwidth = SwingUtilities2.stringWidth(null, fm, str);
    int gap = isLeftToRight ? - (stringwidth + bulletgap) :
                                (aw + bulletgap);
    int x = ax + gap;
    int y = Math.max(ay + fm.getAscent(), ay + (int)(ah * align));
    SwingUtilities2.drawString(null, g, str, x, y);
}
 

public Dimension getPreferredSize(JComponent c) {
    LayoutManager layout = c.getLayout();
    Dimension d = layout.preferredLayoutSize(c);
    String title = ((JPopupMenu)c).getLabel();
    if (titleFont == null) {
        UIDefaults table = UIManager.getLookAndFeelDefaults();
        titleFont = table.getFont("PopupMenu.font");
    }
    FontMetrics fm = c.getFontMetrics(titleFont);
    int         stringWidth = 0;

    if (title!=null) {
        stringWidth += SwingUtilities2.stringWidth(c, fm, title);
    }

    if (d.width < stringWidth) {
        d.width = stringWidth + 8;
        Insets i = c.getInsets();
        if (i!=null) {
            d.width += i.left + i.right;
        }
        if (border != null) {
            i = border.getBorderInsets(c);
            d.width += i.left + i.right;
        }

        return d;
    }
    return null;
}
 

/**
 * Renders the TitlePane.
 */
public void paintComponent(Graphics g)  {
    // As state isn't bound, we need a convenience place to check
    // if it has changed. Changing the state typically changes the
    if (getFrame() != null) {
        setState(getFrame().getExtendedState());
    }
    JRootPane rootPane = getRootPane();
    Window window = getWindow();
    boolean leftToRight = (window == null) ?
                           rootPane.getComponentOrientation().isLeftToRight() :
                           window.getComponentOrientation().isLeftToRight();
    boolean isSelected = (window == null) ? true : window.isActive();
    int width = getWidth();
    int height = getHeight();

    Color background;
    Color foreground;
    Color darkShadow;

    MetalBumps bumps;

    if (isSelected) {
        background = activeBackground;
        foreground = activeForeground;
        darkShadow = activeShadow;
        bumps = activeBumps;
    } else {
        background = inactiveBackground;
        foreground = inactiveForeground;
        darkShadow = inactiveShadow;
        bumps = inactiveBumps;
    }

    g.setColor(background);
    g.fillRect(0, 0, width, height);

    g.setColor( darkShadow );
    g.drawLine ( 0, height - 1, width, height -1);
    g.drawLine ( 0, 0, 0 ,0);
    g.drawLine ( width - 1, 0 , width -1, 0);

    int xOffset = leftToRight ? 5 : width - 5;

    if (getWindowDecorationStyle() == JRootPane.FRAME) {
        xOffset += leftToRight ? IMAGE_WIDTH + 5 : - IMAGE_WIDTH - 5;
    }

    String theTitle = getTitle();
    if (theTitle != null) {
        FontMetrics fm = SwingUtilities2.getFontMetrics(rootPane, g);

        g.setColor(foreground);

        int yOffset = ( (height - fm.getHeight() ) / 2 ) + fm.getAscent();

        Rectangle rect = new Rectangle(0, 0, 0, 0);
        if (iconifyButton != null && iconifyButton.getParent() != null) {
            rect = iconifyButton.getBounds();
        }
        int titleW;

        if( leftToRight ) {
            if (rect.x == 0) {
                rect.x = window.getWidth() - window.getInsets().right-2;
            }
            titleW = rect.x - xOffset - 4;
            theTitle = SwingUtilities2.clipStringIfNecessary(
                            rootPane, fm, theTitle, titleW);
        } else {
            titleW = xOffset - rect.x - rect.width - 4;
            theTitle = SwingUtilities2.clipStringIfNecessary(
                            rootPane, fm, theTitle, titleW);
            xOffset -= SwingUtilities2.stringWidth(rootPane, fm,
                                                   theTitle);
        }
        int titleLength = SwingUtilities2.stringWidth(rootPane, fm,
                                                      theTitle);
        SwingUtilities2.drawString(rootPane, g, theTitle, xOffset,
                                   yOffset );
        xOffset += leftToRight ? titleLength + 5  : -5;
    }

    int bumpXOffset;
    int bumpLength;
    if( leftToRight ) {
        bumpLength = width - buttonsWidth - xOffset - 5;
        bumpXOffset = xOffset;
    } else {
        bumpLength = xOffset - buttonsWidth - 5;
        bumpXOffset = buttonsWidth + 5;
    }
    int bumpYOffset = 3;
    int bumpHeight = getHeight() - (2 * bumpYOffset);
    bumps.setBumpArea( bumpLength, bumpHeight );
    bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
}
 

public Dimension minimumLayoutSize(Container c) {
    // Calculate width.
    int width = 22;

    if (frame.isClosable()) {
        width += 19;
    }
    if (frame.isMaximizable()) {
        width += 19;
    }
    if (frame.isIconifiable()) {
        width += 19;
    }

    FontMetrics fm = frame.getFontMetrics(getFont());
    String frameTitle = frame.getTitle();
    int title_w = frameTitle != null ? SwingUtilities2.stringWidth(
                       frame, fm, frameTitle) : 0;
    int title_length = frameTitle != null ? frameTitle.length() : 0;

    // Leave room for three characters in the title.
    if (title_length > 3) {
        int subtitle_w = SwingUtilities2.stringWidth(
            frame, fm, frameTitle.substring(0, 3) + "...");
        width += (title_w < subtitle_w) ? title_w : subtitle_w;
    } else {
        width += title_w;
    }

    // Calculate height.
    Icon icon = frame.getFrameIcon();
    int fontHeight = fm.getHeight();
    fontHeight += 2;
    int iconHeight = 0;
    if (icon != null) {
        // SystemMenuBar forces the icon to be 16x16 or less.
        iconHeight = Math.min(icon.getIconHeight(), 16);
    }
    iconHeight += 2;

    int height = Math.max( fontHeight, iconHeight );

    Dimension dim = new Dimension(width, height);

    // Take into account the border insets if any.
    if (getBorder() != null) {
        Insets insets = getBorder().getBorderInsets(c);
        dim.height += insets.top + insets.bottom;
        dim.width += insets.left + insets.right;
    }
    return dim;
}
 

/**
 * Renders the TitlePane.
 */
public void paintComponent(Graphics g)  {
    // As state isn't bound, we need a convenience place to check
    // if it has changed. Changing the state typically changes the
    if (getFrame() != null) {
        setState(getFrame().getExtendedState());
    }
    JRootPane rootPane = getRootPane();
    Window window = getWindow();
    boolean leftToRight = (window == null) ?
                           rootPane.getComponentOrientation().isLeftToRight() :
                           window.getComponentOrientation().isLeftToRight();
    boolean isSelected = (window == null) ? true : window.isActive();
    int width = getWidth();
    int height = getHeight();

    Color background;
    Color foreground;
    Color darkShadow;

    MetalBumps bumps;

    if (isSelected) {
        background = activeBackground;
        foreground = activeForeground;
        darkShadow = activeShadow;
        bumps = activeBumps;
    } else {
        background = inactiveBackground;
        foreground = inactiveForeground;
        darkShadow = inactiveShadow;
        bumps = inactiveBumps;
    }

    g.setColor(background);
    g.fillRect(0, 0, width, height);

    g.setColor( darkShadow );
    g.drawLine ( 0, height - 1, width, height -1);
    g.drawLine ( 0, 0, 0 ,0);
    g.drawLine ( width - 1, 0 , width -1, 0);

    int xOffset = leftToRight ? 5 : width - 5;

    if (getWindowDecorationStyle() == JRootPane.FRAME) {
        xOffset += leftToRight ? IMAGE_WIDTH + 5 : - IMAGE_WIDTH - 5;
    }

    String theTitle = getTitle();
    if (theTitle != null) {
        FontMetrics fm = SwingUtilities2.getFontMetrics(rootPane, g);

        g.setColor(foreground);

        int yOffset = ( (height - fm.getHeight() ) / 2 ) + fm.getAscent();

        Rectangle rect = new Rectangle(0, 0, 0, 0);
        if (iconifyButton != null && iconifyButton.getParent() != null) {
            rect = iconifyButton.getBounds();
        }
        int titleW;

        if( leftToRight ) {
            if (rect.x == 0) {
                rect.x = window.getWidth() - window.getInsets().right-2;
            }
            titleW = rect.x - xOffset - 4;
            theTitle = SwingUtilities2.clipStringIfNecessary(
                            rootPane, fm, theTitle, titleW);
        } else {
            titleW = xOffset - rect.x - rect.width - 4;
            theTitle = SwingUtilities2.clipStringIfNecessary(
                            rootPane, fm, theTitle, titleW);
            xOffset -= SwingUtilities2.stringWidth(rootPane, fm,
                                                   theTitle);
        }
        int titleLength = SwingUtilities2.stringWidth(rootPane, fm,
                                                      theTitle);
        SwingUtilities2.drawString(rootPane, g, theTitle, xOffset,
                                   yOffset );
        xOffset += leftToRight ? titleLength + 5  : -5;
    }

    int bumpXOffset;
    int bumpLength;
    if( leftToRight ) {
        bumpLength = width - buttonsWidth - xOffset - 5;
        bumpXOffset = xOffset;
    } else {
        bumpLength = xOffset - buttonsWidth - 5;
        bumpXOffset = buttonsWidth + 5;
    }
    int bumpYOffset = 3;
    int bumpHeight = getHeight() - (2 * bumpYOffset);
    bumps.setBumpArea( bumpLength, bumpHeight );
    bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
}
 

/**
 * Paints the border for the specified component with the
 * specified position and size.
 * @param c the component for which this border is being painted
 * @param g the paint graphics
 * @param x the x position of the painted border
 * @param y the y position of the painted border
 * @param width the width of the painted border
 * @param height the height of the painted border
 */
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
    if (!(c instanceof JPopupMenu)) {
        return;
    }

    Font origFont = g.getFont();
    Color origColor = g.getColor();
    JPopupMenu popup = (JPopupMenu)c;

    String title = popup.getLabel();
    if (title == null) {
        return;
    }

    g.setFont(font);

    FontMetrics fm = SwingUtilities2.getFontMetrics(popup, g, font);
    int         fontHeight = fm.getHeight();
    int         descent = fm.getDescent();
    int         ascent = fm.getAscent();
    Point       textLoc = new Point();
    int         stringWidth = SwingUtilities2.stringWidth(popup, fm,
                                                          title);

    textLoc.y = y + ascent + TEXT_SPACING;
    textLoc.x = x + ((width - stringWidth) / 2);

    g.setColor(background);
    g.fillRect(textLoc.x - TEXT_SPACING, textLoc.y - (fontHeight-descent),
               stringWidth + (2 * TEXT_SPACING), fontHeight - descent);
    g.setColor(foreground);
    SwingUtilities2.drawString(popup, g, title, textLoc.x, textLoc.y);

    MotifGraphicsUtils.drawGroove(g, x, textLoc.y + TEXT_SPACING,
                                  width, GROOVE_HEIGHT,
                                  shadowColor, highlightColor);

    g.setFont(origFont);
    g.setColor(origColor);
}
 

/**
 * Compute the width of the string using a font with the specified
 * "metrics" (sizes).
 *
 * @param fm   a FontMetrics object to compute with
 * @param str  the String to compute
 * @return an int containing the string width
 */
public static int computeStringWidth(FontMetrics fm,String str) {
    // You can't assume that a string's width is the sum of its
    // characters' widths in Java2D -- it may be smaller due to
    // kerning, etc.
    return SwingUtilities2.stringWidth(null, fm, str);
}