diff options
Diffstat (limited to 'libjava/classpath/javax/swing/text/PasswordView.java')
| -rw-r--r-- | libjava/classpath/javax/swing/text/PasswordView.java | 170 |
1 files changed, 122 insertions, 48 deletions
diff --git a/libjava/classpath/javax/swing/text/PasswordView.java b/libjava/classpath/javax/swing/text/PasswordView.java index 229fd2b508d..c3aa66cbe17 100644 --- a/libjava/classpath/javax/swing/text/PasswordView.java +++ b/libjava/classpath/javax/swing/text/PasswordView.java @@ -1,56 +1,59 @@ /* PasswordView.java -- - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ + Copyright (C) 2004 Free Software Foundation, Inc. + + This file is part of GNU Classpath. + + GNU Classpath is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + GNU Classpath is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GNU Classpath; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. + + Linking this library statically or dynamically with other modules is + making a combined work based on this library. Thus, the terms and + conditions of the GNU General Public License cover the whole + combination. + + As a special exception, the copyright holders of this library give you + permission to link this library with independent modules to produce an + executable, regardless of the license terms of these independent + modules, and to copy and distribute the resulting executable under + terms of your choice, provided that you also meet, for each linked + independent module, the terms and conditions of the license of that + module. An independent module is a module which is not derived from + or based on this library. If you modify this library, you may extend + this exception to your version of the library, but you are not + obligated to do so. If you do not wish to do so, delete this + exception statement from your version. */ package javax.swing.text; import java.awt.Color; +import java.awt.FontMetrics; import java.awt.Graphics; +import java.awt.Shape; import javax.swing.JPasswordField; -public class PasswordView extends FieldView +public class PasswordView + extends FieldView { /** * Buffer for putting the echo char into it and * then using it to draw it into the view. */ private char[] oneCharBuffer = new char[1]; - + public PasswordView(Element elem) { super(elem); @@ -70,7 +73,7 @@ public class PasswordView extends FieldView { // Update font metrics. updateMetrics(); - + // Draw character. oneCharBuffer[0] = ch; g.drawChars(oneCharBuffer, 0, 1, x, y); @@ -82,7 +85,7 @@ public class PasswordView extends FieldView private char getEchoChar() { char ch = ((JPasswordField) getContainer()).getEchoChar(); - + if (ch == 0) ch = '*'; @@ -107,10 +110,10 @@ public class PasswordView extends FieldView // Update font metrics. updateMetrics(); - + // Get echo character. char ch = getEchoChar(); - + // Set color for selected text. g.setColor(selectedColor); g.setColor(Color.BLACK); @@ -120,7 +123,7 @@ public class PasswordView extends FieldView char[] buffer = new char[len]; for (int index = 0; index < len; ++index) buffer[index] = ch; - + // Draw echo charaters. g.drawChars(buffer, 0, len, x, y); @@ -146,25 +149,96 @@ public class PasswordView extends FieldView // Update font metrics. updateMetrics(); - + // Get echo character. char ch = getEchoChar(); - + Segment segment = new Segment(); + // Set color for unselected text. g.setColor(unselectedColor); g.setColor(Color.BLACK); // Initialize buffer for faster drawing of all characters. - int len = p1 - p0; + p1--; + getDocument().getText(p0, p1 - p0, segment); + int len = segment.toString().length(); + char[] buffer = new char[len]; for (int index = 0; index < len; ++index) buffer[index] = ch; + y += getPreferredSpan(Y_AXIS)/2; + // Draw echo charaters. g.drawChars(buffer, 0, len, x, y); - + // Return new x position right of all drawn characters. - return x + len * metrics.charWidth(ch); + return x + (len * metrics.charWidth(ch)); + } + + /** + * Determines the preferred span for this view along an axis. + * + * @param axis to get the preferred span of + * @return the preferred span of the axis + */ + public float getPreferredSpan(int axis) + { + if (axis != X_AXIS && axis != Y_AXIS) + throw new IllegalArgumentException(); + + FontMetrics fm = getFontMetrics(); + + if (axis == Y_AXIS) + return fm.getHeight(); + + String text; + Element elem = getElement(); + + try + { + text = elem.getDocument().getText(elem.getStartOffset(), + elem.getEndOffset()); + } + catch (BadLocationException e) + { + // This should never happen. + text = ""; + } + return fm.stringWidth(text); } -} + /** + * 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 >= 0 + * @param a - the allocated region to render into + * @param b - typesafe enumeration to indicate bias to a position in the model. + * @return the bounding box of the given position + * @throws BadLocationException if the given position does not + * represent a valid location in the associated document + */ + public Shape modelToView(int pos, Shape a, Position.Bias b) + throws BadLocationException + { + return super.modelToView(pos, a, b); + } + + /** + * Provides a mapping from the view coordinate space to the logical + * coordinate space of the model. + * + * @param fx - the X coordinate >= 0.0f + * @param fy - the Y coordinate >= 0.0f + * @param a - the allocated region to render into + * @param bias - typesafe enumeration to indicate bias to a position in the model. + * @return the location within the model that best represents + * the given point in the view + * + */ + public int viewToModel(float fx, float fy, Shape a, Position.Bias[] bias) + { + return super.viewToModel(fx, fy, a, bias); + } +} |
