J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package sun.awt.X11; |
| 26 | |
| 27 | import java.awt.*; |
| 28 | |
| 29 | class XWarningWindow extends XWindow { |
| 30 | final static int defaultHeight = 27; |
| 31 | |
| 32 | Window ownerWindow; |
| 33 | XWarningWindow(Window ownerWindow, long parentWindow) { |
| 34 | super(ownerWindow, parentWindow); |
| 35 | this.ownerWindow = ownerWindow; |
| 36 | xSetVisible(true); |
| 37 | toFront(); |
| 38 | } |
| 39 | |
| 40 | protected String getWMName() { |
| 41 | return "Warning window"; |
| 42 | } |
| 43 | |
| 44 | public Graphics getGraphics() { |
| 45 | if ((surfaceData == null) || (ownerWindow == null)) return null; |
| 46 | return getGraphics(surfaceData, |
| 47 | getColor(), |
| 48 | getBackground(), |
| 49 | getFont()); |
| 50 | } |
| 51 | void paint(Graphics g, int x, int y, int width, int height) { |
| 52 | String warningString = getWarningString(); |
| 53 | Rectangle bounds = getBounds(); |
| 54 | bounds.x = 0; |
| 55 | bounds.y = 0; |
| 56 | Rectangle updateRect = new Rectangle(x, y, width, height); |
| 57 | if (updateRect.intersects(bounds)) { |
| 58 | Rectangle updateArea = updateRect.intersection(bounds); |
| 59 | g.setClip(updateArea); |
| 60 | g.setColor(getBackground()); |
| 61 | g.fillRect(updateArea.x, updateArea.y, updateArea.width, updateArea.height); |
| 62 | g.setColor(getColor()); |
| 63 | g.setFont(getFont()); |
| 64 | FontMetrics fm = g.getFontMetrics(); |
| 65 | int warningWidth = fm.stringWidth(warningString); |
| 66 | int w_x = (bounds.width - warningWidth)/2; |
| 67 | int w_y = (bounds.height + fm.getMaxAscent() - fm.getMaxDescent())/2; |
| 68 | g.drawString(warningString, w_x, w_y); |
| 69 | g.drawLine(bounds.x, bounds.y+bounds.height-1, bounds.x+bounds.width-1, bounds.y+bounds.height-1); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | String getWarningString() { |
| 74 | return ownerWindow.getWarningString(); |
| 75 | } |
| 76 | |
| 77 | int getHeight() { |
| 78 | return defaultHeight; // should implement depending on Font |
| 79 | } |
| 80 | |
| 81 | Color getBackground() { |
| 82 | return SystemColor.window; |
| 83 | } |
| 84 | Color getColor() { |
| 85 | return Color.black; |
| 86 | } |
| 87 | Font getFont () { |
| 88 | return ownerWindow.getFont(); |
| 89 | } |
| 90 | public void repaint() { |
| 91 | Rectangle bounds = getBounds(); |
| 92 | Graphics g = getGraphics(); |
| 93 | try { |
| 94 | paint(g, 0, 0, bounds.width, bounds.height); |
| 95 | } finally { |
| 96 | g.dispose(); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | public void handleExposeEvent(XEvent xev) { |
| 101 | super.handleExposeEvent(xev); |
| 102 | |
| 103 | XExposeEvent xe = xev.get_xexpose(); |
| 104 | final int x = xe.get_x(); |
| 105 | final int y = xe.get_y(); |
| 106 | final int width = xe.get_width(); |
| 107 | final int height = xe.get_height(); |
| 108 | EventQueue.invokeLater(new Runnable() { |
| 109 | public void run() { |
| 110 | Graphics g = getGraphics(); |
| 111 | try { |
| 112 | paint(g, x, y, width, height); |
| 113 | } finally { |
| 114 | g.dispose(); |
| 115 | } |
| 116 | } |
| 117 | }); |
| 118 | } |
| 119 | protected boolean isEventDisabled(XEvent e) { |
| 120 | return true; |
| 121 | } |
| 122 | } |