/*
* @(#)MotifDesktopIconUI.java 1.24 04/04/15
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package com.sun.java.swing.plaf.motif;
import com.sun.java.swing.SwingUtilities2;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import java.beans.*;
import java.util.EventListener;
import java.io.Serializable;
/**
* Motif rendition of the component.
*
* @version 1.24 04/15/04
* @author Thomas Ball
* @author Rich Schiavi
*/
public class MotifDesktopIconUI extends BasicDesktopIconUI
{
protected DesktopIconActionListener desktopIconActionListener;
protected DesktopIconMouseListener desktopIconMouseListener;
protected Icon defaultIcon;
protected IconButton iconButton;
protected IconLabel iconLabel;
// This is only used for its system menu, but we need a reference to it so
// we can remove its listeners.
private MotifInternalFrameTitlePane sysMenuTitlePane;
JPopupMenu systemMenu;
EventListener mml;
final static int LABEL_HEIGHT = 18;
final static int LABEL_DIVIDER = 4; // padding between icon and label
final static Font defaultTitleFont = new Font("SansSerif", Font.PLAIN, 12);
public static ComponentUI createUI(JComponent c) {
return new MotifDesktopIconUI();
}
public MotifDesktopIconUI() {
}
protected void installDefaults(){
super.installDefaults();
setDefaultIcon(UIManager.getIcon("DesktopIcon.icon"));
iconButton = createIconButton(defaultIcon);
// An underhanded way of creating a system popup menu.
sysMenuTitlePane = new MotifInternalFrameTitlePane(frame);
systemMenu = sysMenuTitlePane.getSystemMenu();
MotifBorders.FrameBorder border = new MotifBorders.FrameBorder(desktopIcon);
desktopIcon.setLayout(new BorderLayout());
iconButton.setBorder(border);
desktopIcon.add(iconButton, BorderLayout.CENTER);
iconLabel = createIconLabel(frame);
iconLabel.setBorder(border);
desktopIcon.add(iconLabel, BorderLayout.SOUTH);
desktopIcon.setSize(desktopIcon.getPreferredSize());
desktopIcon.validate();
JLayeredPane.putLayer(desktopIcon, JLayeredPane.getLayer(frame));
}
protected void installComponents(){
}
protected void uninstallComponents(){
}
protected void installListeners(){
super.installListeners();
desktopIconActionListener = createDesktopIconActionListener();
desktopIconMouseListener = createDesktopIconMouseListener();
iconButton.addActionListener(desktopIconActionListener);
iconButton.addMouseListener(desktopIconMouseListener);
}
JInternalFrame.JDesktopIcon getDesktopIcon(){
return desktopIcon;
}
void setDesktopIcon(JInternalFrame.JDesktopIcon d){
desktopIcon = d;
}
JInternalFrame getFrame(){
return frame;
}
void setFrame(JInternalFrame f){
frame = f ;
}
protected void showSystemMenu(){
systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
}
protected void hideSystemMenu(){
systemMenu.setVisible(false);
}
protected IconLabel createIconLabel(JInternalFrame frame){
return new IconLabel(frame);
}
protected IconButton createIconButton(Icon i){
return new IconButton(i);
}
protected DesktopIconActionListener createDesktopIconActionListener(){
return new DesktopIconActionListener();
}
protected DesktopIconMouseListener createDesktopIconMouseListener(){
return new DesktopIconMouseListener();
}
protected void uninstallDefaults(){
super.uninstallDefaults();
desktopIcon.setLayout(null);
desktopIcon.remove(iconButton);
desktopIcon.remove(iconLabel);
}
protected void uninstallListeners(){
super.uninstallListeners();
iconButton.removeActionListener(desktopIconActionListener);
iconButton.removeMouseListener(desktopIconMouseListener);
sysMenuTitlePane.uninstallListeners();
}
public Dimension getMinimumSize(JComponent c) {
JInternalFrame iframe = desktopIcon.getInternalFrame();
int w = defaultIcon.getIconWidth();
int h = defaultIcon.getIconHeight() + LABEL_HEIGHT + LABEL_DIVIDER;
Border border = iframe.getBorder();
if(border != null) {
w += border.getBorderInsets(iframe).left +
border.getBorderInsets(iframe).right;
h += border.getBorderInsets(iframe).bottom +
border.getBorderInsets(iframe).top;
}
return new Dimension(w, h);
}
public Dimension getPreferredSize(JComponent c) {
return getMinimumSize(c);
}
public Dimension getMaximumSize(JComponent c){
return getMinimumSize(c);
}
/**
* Returns the default desktop icon.
*/
public Icon getDefaultIcon() {
return defaultIcon;
}
/**
* Sets the icon used as the default desktop icon.
*/
public void setDefaultIcon(Icon newIcon) {
defaultIcon = newIcon;
}
protected class IconLabel extends JPanel {
JInternalFrame frame;
IconLabel(JInternalFrame f) {
super();
this.frame = f;
setFont(defaultTitleFont);
// Forward mouse events to titlebar for moves.
addMouseMotionListener(new MouseMotionListener() {
public void mouseDragged(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseMoved(MouseEvent e) {
forwardEventToParent(e);
}
});
addMouseListener(new MouseListener() {
public void mouseClicked(MouseEvent e) {
forwardEventToParent(e);
}
public void mousePressed(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseReleased(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseEntered(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseExited(MouseEvent e) {
forwardEventToParent(e);
}
});
}
void forwardEventToParent(MouseEvent e) {
getParent().dispatchEvent(new MouseEvent(
getParent(), e.getID(), e.getWhen(), e.getModifiers(),
e.getX(), e.getY(), e.getClickCount(), e.isPopupTrigger()));
}
public boolean isFocusTraversable() {
return false;
}
public Dimension getMinimumSize() {
return new Dimension(defaultIcon.getIconWidth() + 1,
LABEL_HEIGHT + LABEL_DIVIDER);
}
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);
}
public void paint(Graphics g) {
super.paint(g);
// touch-up frame
int maxX = getWidth() - 1;
Color shadow =
UIManager.getColor("inactiveCaptionBorder").darker().darker();
g.setColor(shadow);
g.setClip(0, 0, getWidth(), getHeight());
g.drawLine(maxX - 1, 1, maxX - 1, 1);
g.drawLine(maxX, 0, maxX, 0);
// fill background
g.setColor(UIManager.getColor("inactiveCaption"));
g.fillRect(2, 1, maxX - 3, LABEL_HEIGHT + 1);
// draw text -- clipping to truncate text like CDE/Motif
g.setClip(2, 1, maxX - 4, LABEL_HEIGHT);
int y = LABEL_HEIGHT - SwingUtilities2.getFontMetrics(frame, g).
getDescent();
g.setColor(UIManager.getColor("inactiveCaptionText"));
String title = frame.getTitle();
if (title != null) {
SwingUtilities2.drawString(frame, g, title, 4, y);
}
}
}
protected class IconButton extends JButton {
Icon icon;
IconButton(Icon icon) {
super(icon);
this.icon = icon;
// Forward mouse events to titlebar for moves.
addMouseMotionListener(new MouseMotionListener() {
public void mouseDragged(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseMoved(MouseEvent e) {
forwardEventToParent(e);
}
});
addMouseListener(new MouseListener() {
public void mouseClicked(MouseEvent e) {
forwardEventToParent(e);
}
public void mousePressed(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseReleased(MouseEvent e) {
if (!systemMenu.isShowing()) {
forwardEventToParent(e);
}
}
public void mouseEntered(MouseEvent e) {
forwardEventToParent(e);
}
public void mouseExited(MouseEvent e) {
forwardEventToParent(e);
}
});
}
void forwardEventToParent(MouseEvent e) {
getParent().dispatchEvent(new MouseEvent(
getParent(), e.getID(), e.getWhen(), e.getModifiers(),
e.getX(), e.getY(), e.getClickCount(), e.isPopupTrigger()));
}
public boolean isFocusTraversable() {
return false;
}
}
protected class DesktopIconActionListener implements ActionListener {
public void actionPerformed(ActionEvent e){
systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
}
}
protected class DesktopIconMouseListener extends MouseAdapter {
// if we drag or move we should deengage the popup
public void mousePressed(MouseEvent e){
if (e.getClickCount() == 2){
try {
getFrame().setIcon(false);
} catch (PropertyVetoException e2){ }
systemMenu.setVisible(false);
/* the mouse release will not get reported correctly,
because the icon will no longer be in the hierarchy;
maybe that should be fixed, but until it is, we need
to do the required cleanup here. */
getFrame().getDesktopPane().getDesktopManager().endDraggingFrame((JComponent)e.getSource());
}
}
}
}
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