| /* |
| * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package sun.awt.X11; |
| |
| import java.awt.*; |
| import java.awt.peer.*; |
| import java.awt.event.MouseEvent; |
| import java.awt.event.FocusEvent; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.ActionEvent; |
| import javax.swing.plaf.basic.*; |
| import javax.swing.SwingUtilities; |
| import javax.swing.SwingConstants; |
| public class XButtonPeer extends XComponentPeer implements ButtonPeer { |
| private boolean pressed; |
| private boolean armed; |
| private Insets focusInsets; |
| private Insets borderInsets; |
| private Insets contentAreaInsets; |
| |
| private static final String propertyPrefix = "Button" + "."; |
| protected Color focusColor = SystemColor.windowText; |
| |
| private boolean disposed = false; |
| |
| String label; |
| |
| protected String getPropertyPrefix() { |
| return propertyPrefix; |
| } |
| |
| void preInit(XCreateWindowParams params) { |
| super.preInit(params); |
| borderInsets = new Insets(2,2,2,2); |
| focusInsets = new Insets(0,0,0,0); |
| contentAreaInsets = new Insets(3,3,3,3); |
| } |
| |
| |
| public XButtonPeer(Button target) { |
| super(target); |
| pressed = false; |
| armed = false; |
| label = target.getLabel(); |
| updateMotifColors(getPeerBackground()); |
| } |
| |
| public void dispose() { |
| synchronized (target) |
| { |
| disposed = true; |
| } |
| super.dispose(); |
| } |
| |
| public boolean isFocusable() { |
| return true; |
| } |
| |
| @Override |
| public void setLabel(String label) { |
| if (label == null) { |
| label = ""; |
| } |
| if (!label.equals(this.label)) { |
| this.label = label; |
| repaint(); |
| } |
| } |
| |
| public void setBackground(Color c) { |
| updateMotifColors(c); |
| super.setBackground(c); |
| } |
| |
| void handleJavaMouseEvent(MouseEvent e) { |
| super.handleJavaMouseEvent(e); |
| int id = e.getID(); |
| switch (id) { |
| case MouseEvent.MOUSE_PRESSED: |
| if (XToolkit.isLeftMouseButton(e) ) { |
| Button b = (Button) e.getSource(); |
| |
| if(b.contains(e.getX(), e.getY())) { |
| if (!isEnabled()) { |
| // Disabled buttons ignore all input... |
| return; |
| } |
| pressed = true; |
| armed = true; |
| repaint(); |
| } |
| } |
| |
| break; |
| |
| case MouseEvent.MOUSE_RELEASED: |
| if (XToolkit.isLeftMouseButton(e)) { |
| if (armed) |
| { |
| @SuppressWarnings("deprecation") |
| final int modifiers = e.getModifiers(); |
| action(e.getWhen(), modifiers); |
| } |
| pressed = false; |
| armed = false; |
| repaint(); |
| } |
| |
| break; |
| |
| case MouseEvent.MOUSE_ENTERED: |
| if (pressed) |
| armed = true; |
| break; |
| case MouseEvent.MOUSE_EXITED: |
| armed = false; |
| break; |
| } |
| } |
| |
| |
| // NOTE: This method is called by privileged threads. |
| // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
| public void action(final long when, final int modifiers) { |
| postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED, |
| ((Button)target).getActionCommand(), |
| when, modifiers)); |
| } |
| |
| |
| public void focusGained(FocusEvent e) { |
| super.focusGained(e); |
| repaint(); |
| } |
| |
| public void focusLost(FocusEvent e) { |
| super.focusLost(e); |
| repaint(); |
| } |
| |
| void handleJavaKeyEvent(KeyEvent e) { |
| int id = e.getID(); |
| switch (id) { |
| case KeyEvent.KEY_PRESSED: |
| if (e.getKeyCode() == KeyEvent.VK_SPACE) |
| { |
| pressed=true; |
| armed=true; |
| repaint(); |
| @SuppressWarnings("deprecation") |
| final int modifiers = e.getModifiers(); |
| action(e.getWhen(), modifiers); |
| } |
| |
| break; |
| |
| case KeyEvent.KEY_RELEASED: |
| if (e.getKeyCode() == KeyEvent.VK_SPACE) |
| { |
| pressed = false; |
| armed = false; |
| repaint(); |
| } |
| |
| break; |
| |
| |
| } |
| } |
| |
| public Dimension getMinimumSize() { |
| FontMetrics fm = getFontMetrics(getPeerFont()); |
| if ( label == null ) { |
| label = ""; |
| } |
| return new Dimension(fm.stringWidth(label) + 14, |
| fm.getHeight() + 8); |
| } |
| |
| /** |
| * DEPRECATED |
| */ |
| public Dimension minimumSize() { |
| return getMinimumSize(); |
| } |
| /** |
| * This method is called from Toolkit Thread and so it should not call any |
| * client code. |
| */ |
| @Override |
| void paintPeer(final Graphics g) { |
| if (!disposed) { |
| Dimension size = getPeerSize(); |
| g.setColor( getPeerBackground() ); /* erase the existing button remains */ |
| g.fillRect(0,0, size.width , size.height); |
| paintBorder(g,borderInsets.left, |
| borderInsets.top, |
| size.width-(borderInsets.left+borderInsets.right), |
| size.height-(borderInsets.top+borderInsets.bottom)); |
| |
| FontMetrics fm = g.getFontMetrics(); |
| |
| Rectangle textRect,iconRect,viewRect; |
| |
| textRect = new Rectangle(); |
| viewRect = new Rectangle(); |
| iconRect = new Rectangle(); |
| |
| |
| viewRect.width = size.width - (contentAreaInsets.left+contentAreaInsets.right); |
| viewRect.height = size.height - (contentAreaInsets.top+contentAreaInsets.bottom); |
| viewRect.x = contentAreaInsets.left; |
| viewRect.y = contentAreaInsets.top; |
| String llabel = (label != null) ? label : ""; |
| // layout the text and icon |
| String text = SwingUtilities.layoutCompoundLabel( |
| fm, llabel, null, |
| SwingConstants.CENTER, SwingConstants.CENTER, |
| SwingConstants.CENTER, SwingConstants.CENTER, |
| viewRect, iconRect, textRect, 0); |
| |
| Font f = getPeerFont(); |
| |
| g.setFont(f); |
| |
| // perform UI specific press action, e.g. Windows L&F shifts text |
| if (pressed && armed) { |
| paintButtonPressed(g,target); |
| } |
| |
| paintText(g, target, textRect, text); |
| |
| if (hasFocus()) { |
| // paint UI specific focus |
| paintFocus(g,focusInsets.left, |
| focusInsets.top, |
| size.width-(focusInsets.left+focusInsets.right)-1, |
| size.height-(focusInsets.top+focusInsets.bottom)-1); |
| } |
| } |
| flush(); |
| } |
| |
| public void paintBorder(Graphics g, int x, int y, int w, int h) { |
| drawMotif3DRect(g, x, y, w-1, h-1, pressed); |
| } |
| |
| protected void paintFocus(Graphics g, int x, int y, int w, int h){ |
| g.setColor(focusColor); |
| g.drawRect(x,y,w,h); |
| } |
| |
| protected void paintButtonPressed(Graphics g, Component b) { |
| Dimension size = getPeerSize(); |
| g.setColor(selectColor); |
| g.fillRect(contentAreaInsets.left, |
| contentAreaInsets.top, |
| size.width-(contentAreaInsets.left+contentAreaInsets.right), |
| size.height-(contentAreaInsets.top+contentAreaInsets.bottom)); |
| |
| } |
| protected void paintText(Graphics g, Component c, Rectangle textRect, String text) { |
| FontMetrics fm = g.getFontMetrics(); |
| |
| int mnemonicIndex = -1; |
| |
| /* Draw the Text */ |
| if(isEnabled()) { |
| /*** paint the text normally */ |
| g.setColor(getPeerForeground()); |
| BasicGraphicsUtils.drawStringUnderlineCharAt(g,text,mnemonicIndex , textRect.x , textRect.y + fm.getAscent() ); |
| } |
| else { |
| /*** paint the text disabled ***/ |
| g.setColor(getPeerBackground().brighter()); |
| BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex, |
| textRect.x, textRect.y + fm.getAscent()); |
| g.setColor(getPeerBackground().darker()); |
| BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex, |
| textRect.x - 1, textRect.y + fm.getAscent() - 1); |
| } |
| } |
| } |