Java Code Examples for javax.swing.JPasswordField#getEchoChar()

The following examples show how to use javax.swing.JPasswordField#getEchoChar() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PasswordView.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Renders the given range in the model as selected text.  This
 * is implemented to render the text in the color specified in
 * the hosting component.  It assumes the highlighter will render
 * the selected background.  Uses the result of getEchoChar() to
 * display the characters.
 *
 * @param g the graphics context
 * @param x the starting X coordinate >= 0
 * @param y the starting Y coordinate >= 0
 * @param p0 the starting offset in the model >= 0
 * @param p1 the ending offset in the model >= p0
 * @return the X location of the end of the range >= 0
 * @exception BadLocationException if p0 or p1 are out of range
 */
protected int drawSelectedText(Graphics g, int x,
                               int y, int p0, int p1) throws BadLocationException {
    g.setColor(selected);
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.drawSelectedText(g, x, y, p0, p1);
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        for (int i = 0; i < n; i++) {
            x = drawEchoCharacter(g, x, y, echoChar);
        }
    }
    return x;
}
 
Example 2
Source File: PasswordView.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * 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 &gt;= 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.
 */
public float getPreferredSpan(int axis) {
    switch (axis) {
    case View.X_AXIS:
        Container c = getContainer();
        if (c instanceof JPasswordField) {
            JPasswordField f = (JPasswordField) c;
            if (f.echoCharIsSet()) {
                char echoChar = f.getEchoChar();
                FontMetrics m = f.getFontMetrics(f.getFont());
                Document doc = getDocument();
                return m.charWidth(echoChar) * getDocument().getLength();
            }
        }
    }
    return super.getPreferredSpan(axis);
}
 
Example 3
Source File: PasswordView.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up
/**
 * Provides a mapping from the document model coordinate space
 * to the coordinate space of the view mapped to it.
 *
 * @param pos the position to convert &gt;= 0
 * @param a the allocated region to render into
 * @return the bounding box of the given position
 * @exception BadLocationException  if the given position does not
 *   represent a valid location in the associated document
 * @see View#modelToView
 */
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.modelToView(pos, a, b);
        }
        char echoChar = f.getEchoChar();
        FontMetrics m = f.getFontMetrics(f.getFont());

        Rectangle alloc = adjustAllocation(a).getBounds();
        int dx = (pos - getStartOffset()) * m.charWidth(echoChar);
        alloc.x += dx;
        alloc.width = 1;
        return alloc;
    }
    return null;
}
 
Example 4
Source File: PasswordView.java    From Java8CN with Apache License 2.0 6 votes vote down vote up
/**
 * Provides a mapping from the view coordinate space to the logical
 * coordinate space of the model.
 *
 * @param fx the X coordinate &gt;= 0.0f
 * @param fy the Y coordinate &gt;= 0.0f
 * @param a the allocated region to render into
 * @return the location within the model that best represents the
 *  given point in the view
 * @see View#viewToModel
 */
public int viewToModel(float fx, float fy, Shape a, Position.Bias[] bias) {
    bias[0] = Position.Bias.Forward;
    int n = 0;
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.viewToModel(fx, fy, a, bias);
        }
        char echoChar = f.getEchoChar();
        int charWidth = f.getFontMetrics(f.getFont()).charWidth(echoChar);
        a = adjustAllocation(a);
        Rectangle alloc = (a instanceof Rectangle) ? (Rectangle)a :
                          a.getBounds();
        n = (charWidth > 0 ?
             ((int)fx - alloc.x) / charWidth : Integer.MAX_VALUE);
        if (n < 0) {
            n = 0;
        }
        else if (n > (getStartOffset() + getDocument().getLength())) {
            n = getDocument().getLength() - getStartOffset();
        }
    }
    return getStartOffset() + n;
}
 
Example 5
Source File: PasswordView.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Renders the given range in the model as selected text.  This
 * is implemented to render the text in the color specified in
 * the hosting component.  It assumes the highlighter will render
 * the selected background.  Uses the result of getEchoChar() to
 * display the characters.
 *
 * @param g the graphics context
 * @param x the starting X coordinate &gt;= 0
 * @param y the starting Y coordinate &gt;= 0
 * @param p0 the starting offset in the model &gt;= 0
 * @param p1 the ending offset in the model &gt;= p0
 * @return the X location of the end of the range &gt;= 0
 * @exception BadLocationException if p0 or p1 are out of range
 */
protected int drawSelectedText(Graphics g, int x,
                               int y, int p0, int p1) throws BadLocationException {
    g.setColor(selected);
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.drawSelectedText(g, x, y, p0, p1);
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        for (int i = 0; i < n; i++) {
            x = drawEchoCharacter(g, x, y, echoChar);
        }
    }
    return x;
}
 
Example 6
Source File: PasswordView.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Provides a mapping from the document model coordinate space
 * to the coordinate space of the view mapped to it.
 *
 * @param pos the position to convert &gt;= 0
 * @param a the allocated region to render into
 * @return the bounding box of the given position
 * @exception BadLocationException  if the given position does not
 *   represent a valid location in the associated document
 * @see View#modelToView
 */
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.modelToView(pos, a, b);
        }
        char echoChar = f.getEchoChar();
        FontMetrics m = f.getFontMetrics(f.getFont());

        Rectangle alloc = adjustAllocation(a).getBounds();
        int dx = (pos - getStartOffset()) * m.charWidth(echoChar);
        alloc.x += dx;
        alloc.width = 1;
        return alloc;
    }
    return null;
}
 
Example 7
Source File: PasswordView.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Provides a mapping from the document model coordinate space
 * to the coordinate space of the view mapped to it.
 *
 * @param pos the position to convert &gt;= 0
 * @param a the allocated region to render into
 * @return the bounding box of the given position
 * @exception BadLocationException  if the given position does not
 *   represent a valid location in the associated document
 * @see View#modelToView
 */
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.modelToView(pos, a, b);
        }
        char echoChar = f.getEchoChar();
        FontMetrics m = f.getFontMetrics(f.getFont());

        Rectangle alloc = adjustAllocation(a).getBounds();
        int dx = (pos - getStartOffset()) * m.charWidth(echoChar);
        alloc.x += dx;
        alloc.width = 1;
        return alloc;
    }
    return null;
}
 
Example 8
Source File: PasswordView.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Provides a mapping from the document model coordinate space
 * to the coordinate space of the view mapped to it.
 *
 * @param pos the position to convert &gt;= 0
 * @param a the allocated region to render into
 * @return the bounding box of the given position
 * @exception BadLocationException  if the given position does not
 *   represent a valid location in the associated document
 * @see View#modelToView
 */
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.modelToView(pos, a, b);
        }
        char echoChar = f.getEchoChar();
        FontMetrics m = f.getFontMetrics(f.getFont());

        Rectangle alloc = adjustAllocation(a).getBounds();
        int dx = (pos - getStartOffset()) * m.charWidth(echoChar);
        alloc.x += dx;
        alloc.width = 1;
        return alloc;
    }
    return null;
}
 
Example 9
Source File: PasswordView.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Renders the given range in the model as selected text.  This
 * is implemented to render the text in the color specified in
 * the hosting component.  It assumes the highlighter will render
 * the selected background.  Uses the result of getEchoChar() to
 * display the characters.
 *
 * @param g the graphics context
 * @param x the starting X coordinate &gt;= 0
 * @param y the starting Y coordinate &gt;= 0
 * @param p0 the starting offset in the model &gt;= 0
 * @param p1 the ending offset in the model &gt;= p0
 * @return the X location of the end of the range &gt;= 0
 * @exception BadLocationException if p0 or p1 are out of range
 */
protected int drawSelectedText(Graphics g, int x,
                               int y, int p0, int p1) throws BadLocationException {
    g.setColor(selected);
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.drawSelectedText(g, x, y, p0, p1);
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        for (int i = 0; i < n; i++) {
            x = drawEchoCharacter(g, x, y, echoChar);
        }
    }
    return x;
}
 
Example 10
Source File: PasswordView.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Renders the given range in the model as normal unselected
 * text.  This sets the foreground color and echos the characters
 * using the value returned by getEchoChar().
 *
 * @param g the graphics context
 * @param x the starting X coordinate &gt;= 0
 * @param y the starting Y coordinate &gt;= 0
 * @param p0 the starting offset in the model &gt;= 0
 * @param p1 the ending offset in the model &gt;= p0
 * @return the X location of the end of the range &gt;= 0
 * @exception BadLocationException if p0 or p1 are out of range
 */
protected int drawUnselectedText(Graphics g, int x, int y,
                                 int p0, int p1) throws BadLocationException {

    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.drawUnselectedText(g, x, y, p0, p1);
        }
        if (f.isEnabled()) {
            g.setColor(f.getForeground());
        }
        else {
            g.setColor(f.getDisabledTextColor());
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        for (int i = 0; i < n; i++) {
            x = drawEchoCharacter(g, x, y, echoChar);
        }
    }
    return x;
}
 
Example 11
Source File: PasswordView.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up
/**
 * 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 &gt;= 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.
 */
public float getPreferredSpan(int axis) {
    switch (axis) {
    case View.X_AXIS:
        Container c = getContainer();
        if (c instanceof JPasswordField) {
            JPasswordField f = (JPasswordField) c;
            if (f.echoCharIsSet()) {
                char echoChar = f.getEchoChar();
                FontMetrics m = f.getFontMetrics(f.getFont());
                Document doc = getDocument();
                return m.charWidth(echoChar) * getDocument().getLength();
            }
        }
    }
    return super.getPreferredSpan(axis);
}
 
Example 12
Source File: PasswordView.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Provides a mapping from the document model coordinate space
 * to the coordinate space of the view mapped to it.
 *
 * @param pos the position to convert &gt;= 0
 * @param a the allocated region to render into
 * @return the bounding box of the given position
 * @exception BadLocationException  if the given position does not
 *   represent a valid location in the associated document
 * @see View#modelToView
 */
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.modelToView(pos, a, b);
        }
        char echoChar = f.getEchoChar();
        FontMetrics m = f.getFontMetrics(f.getFont());

        Rectangle alloc = adjustAllocation(a).getBounds();
        int dx = (pos - getStartOffset()) * m.charWidth(echoChar);
        alloc.x += dx;
        alloc.width = 1;
        return alloc;
    }
    return null;
}
 
Example 13
Source File: PasswordView.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up
/**
 * 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 &gt;= 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.
 */
public float getPreferredSpan(int axis) {
    switch (axis) {
    case View.X_AXIS:
        Container c = getContainer();
        if (c instanceof JPasswordField) {
            JPasswordField f = (JPasswordField) c;
            if (f.echoCharIsSet()) {
                char echoChar = f.getEchoChar();
                FontMetrics m = f.getFontMetrics(f.getFont());
                Document doc = getDocument();
                return m.charWidth(echoChar) * getDocument().getLength();
            }
        }
    }
    return super.getPreferredSpan(axis);
}
 
Example 14
Source File: PasswordView.java    From JDKSourceCode1.8 with MIT License 6 votes vote down vote up
/**
 * Renders the given range in the model as normal unselected
 * text.  This sets the foreground color and echos the characters
 * using the value returned by getEchoChar().
 *
 * @param g the graphics context
 * @param x the starting X coordinate &gt;= 0
 * @param y the starting Y coordinate &gt;= 0
 * @param p0 the starting offset in the model &gt;= 0
 * @param p1 the ending offset in the model &gt;= p0
 * @return the X location of the end of the range &gt;= 0
 * @exception BadLocationException if p0 or p1 are out of range
 */
protected int drawUnselectedText(Graphics g, int x, int y,
                                 int p0, int p1) throws BadLocationException {

    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.drawUnselectedText(g, x, y, p0, p1);
        }
        if (f.isEnabled()) {
            g.setColor(f.getForeground());
        }
        else {
            g.setColor(f.getDisabledTextColor());
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        for (int i = 0; i < n; i++) {
            x = drawEchoCharacter(g, x, y, echoChar);
        }
    }
    return x;
}
 
Example 15
Source File: PasswordView.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Renders the given range in the model as selected text.  This
 * is implemented to render the text in the color specified in
 * the hosting component.  It assumes the highlighter will render
 * the selected background.  Uses the result of getEchoChar() to
 * display the characters.
 *
 * @param g the graphics context
 * @param x the starting X coordinate &gt;= 0
 * @param y the starting Y coordinate &gt;= 0
 * @param p0 the starting offset in the model &gt;= 0
 * @param p1 the ending offset in the model &gt;= p0
 * @return the X location of the end of the range &gt;= 0
 * @exception BadLocationException if p0 or p1 are out of range
 */
protected int drawSelectedText(Graphics g, int x,
                               int y, int p0, int p1) throws BadLocationException {
    g.setColor(selected);
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.drawSelectedText(g, x, y, p0, p1);
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        for (int i = 0; i < n; i++) {
            x = drawEchoCharacter(g, x, y, echoChar);
        }
    }
    return x;
}
 
Example 16
Source File: PasswordView.java    From jdk1.8-source-analysis with Apache License 2.0 6 votes vote down vote up
/**
 * Provides a mapping from the document model coordinate space
 * to the coordinate space of the view mapped to it.
 *
 * @param pos the position to convert &gt;= 0
 * @param a the allocated region to render into
 * @return the bounding box of the given position
 * @exception BadLocationException  if the given position does not
 *   represent a valid location in the associated document
 * @see View#modelToView
 */
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (! f.echoCharIsSet()) {
            return super.modelToView(pos, a, b);
        }
        char echoChar = f.getEchoChar();
        FontMetrics m = f.getFontMetrics(f.getFont());

        Rectangle alloc = adjustAllocation(a).getBounds();
        int dx = (pos - getStartOffset()) * m.charWidth(echoChar);
        alloc.x += dx;
        alloc.width = 1;
        return alloc;
    }
    return null;
}
 
Example 17
Source File: PasswordView.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("deprecation")
private float drawSelectedTextImpl(Graphics g, float x, float y,
                                   int p0, int p1,
                                   boolean useFPAPI)
        throws BadLocationException {
    g.setColor(selected);
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (!f.echoCharIsSet()) {
            boolean useDrawUnselectedFPAPI = useFPAPI
                    && drawSelectedTextOverridden
                    && g instanceof Graphics2D;
            return (useFPAPI)
                    ? super.drawSelectedText((Graphics2D) g, x, y, p0, p1)
                    : super.drawSelectedText(g, (int) x, (int) y, p0, p1);
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        boolean useEchoCharFPAPI = useFPAPI
                && drawEchoCharacterOverridden
                && g instanceof Graphics2D;
        for (int i = 0; i < n; i++) {
            x = (useEchoCharFPAPI)
                    ? drawEchoCharacter((Graphics2D) g, x, y, echoChar)
                    : drawEchoCharacter(g, (int) x, (int) y, echoChar);

        }
    }
    return x;
}
 
Example 18
Source File: PasswordView.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
private float drawSelectedTextImpl(Graphics g, float x, float y,
                                   int p0, int p1,
                                   boolean useFPAPI)
        throws BadLocationException {
    g.setColor(selected);
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (!f.echoCharIsSet()) {
            boolean useDrawUnselectedFPAPI = useFPAPI
                    && drawSelectedTextOverridden
                    && g instanceof Graphics2D;
            return (useFPAPI)
                    ? super.drawSelectedText((Graphics2D) g, x, y, p0, p1)
                    : super.drawSelectedText(g, (int) x, (int) y, p0, p1);
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        boolean useEchoCharFPAPI = useFPAPI
                && drawEchoCharacterOverridden
                && g instanceof Graphics2D;
        for (int i = 0; i < n; i++) {
            x = (useEchoCharFPAPI)
                    ? drawEchoCharacter((Graphics2D) g, x, y, echoChar)
                    : drawEchoCharacter(g, (int) x, (int) y, echoChar);

        }
    }
    return x;
}
 
Example 19
Source File: PasswordView.java    From Bytecoder with Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("deprecation")
private float drawUnselectedTextImpl(Graphics g, float x, float y,
                                     int p0, int p1,
                                     boolean useFPAPI)
        throws BadLocationException
{
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (!f.echoCharIsSet()) {
            boolean useDrawUnselectedFPAPI = useFPAPI
                    && drawUnselectedTextOverridden
                    && g instanceof Graphics2D;
            return (useDrawUnselectedFPAPI )
                    ? super.drawUnselectedText((Graphics2D) g, x, y, p0, p1)
                    : super.drawUnselectedText(g, (int) x, (int) y, p0, p1);
        }
        if (f.isEnabled()) {
            g.setColor(f.getForeground());
        }
        else {
            g.setColor(f.getDisabledTextColor());
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        boolean useEchoCharFPAPI = useFPAPI
                && drawEchoCharacterOverridden
                && g instanceof Graphics2D;
        for (int i = 0; i < n; i++) {
            x = (useEchoCharFPAPI)
                    ? drawEchoCharacter((Graphics2D) g, x, y, echoChar)
                    : drawEchoCharacter(g, (int) x, (int) y, echoChar);
        }
    }
    return x;
}
 
Example 20
Source File: PasswordView.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
private float drawUnselectedTextImpl(Graphics g, float x, float y,
                                     int p0, int p1,
                                     boolean useFPAPI)
        throws BadLocationException
{
    Container c = getContainer();
    if (c instanceof JPasswordField) {
        JPasswordField f = (JPasswordField) c;
        if (!f.echoCharIsSet()) {
            boolean useDrawUnselectedFPAPI = useFPAPI
                    && drawUnselectedTextOverridden
                    && g instanceof Graphics2D;
            return (useDrawUnselectedFPAPI )
                    ? super.drawUnselectedText((Graphics2D) g, x, y, p0, p1)
                    : super.drawUnselectedText(g, (int) x, (int) y, p0, p1);
        }
        if (f.isEnabled()) {
            g.setColor(f.getForeground());
        }
        else {
            g.setColor(f.getDisabledTextColor());
        }
        char echoChar = f.getEchoChar();
        int n = p1 - p0;
        boolean useEchoCharFPAPI = useFPAPI
                && drawEchoCharacterOverridden
                && g instanceof Graphics2D;
        for (int i = 0; i < n; i++) {
            x = (useEchoCharFPAPI)
                    ? drawEchoCharacter((Graphics2D) g, x, y, echoChar)
                    : drawEchoCharacter(g, (int) x, (int) y, echoChar);
        }
    }
    return x;
}