ojluni/src/main/java/sun/awt/X11/XButtonPeer.java - platform/libcore.git - Git at Google

 /*
  * Copyright (c) 2002, 2003, 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 {

     boolean pressed;
     boolean armed;

     private Insets focusInsets;
     private Insets borderInsets;
     private Insets contentAreaInsets;

     private final static 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;
     }

     public void  setLabel(java.lang.String label) {
         this.label = label;
         repaint();
     }

     public void paint(Graphics g) {
         paint(g,target);
     }

     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)
                   {
                       action(e.getWhen(),e.getModifiers());
                   }
                   pressed = false;
                   armed = false;
                   repaint();
               }

               break;

           case  MouseEvent.MOUSE_ENTERED:
               if (pressed)
                   armed = true;
 //                 repaint();

               break;

           case MouseEvent.MOUSE_EXITED:
               armed = false;
 //                 repaint();

               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();
                   action(e.getWhen(),e.getModifiers());
               }

               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

     */
     public void paint(Graphics g, Component c)
     {
         if (!disposed && (g != null))
         {
             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.right;
             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);
     }

     public void setFont(Font f) {
         super.setFont(f);
         target.repaint();
     }
     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(c.getBackground().darker());
             BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex,
                                                          textRect.x - 1, textRect.y + fm.getAscent() - 1);
         }
     }
 }
	/*
	* Copyright (c) 2002, 2003, 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 {

	boolean pressed;
	boolean armed;

	private Insets focusInsets;
	private Insets borderInsets;
	private Insets contentAreaInsets;

	private final static 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;
	}

	public void setLabel(java.lang.String label) {
	this.label = label;
	repaint();
	}

	public void paint(Graphics g) {
	paint(g,target);
	}

	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)
	{
	action(e.getWhen(),e.getModifiers());
	}
	pressed = false;
	armed = false;
	repaint();
	}

	break;

	case MouseEvent.MOUSE_ENTERED:
	if (pressed)
	armed = true;
	// repaint();

	break;

	case MouseEvent.MOUSE_EXITED:
	armed = false;
	// repaint();

	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();
	action(e.getWhen(),e.getModifiers());
	}

	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

	*/
	public void paint(Graphics g, Component c)
	{
	if (!disposed && (g != null))
	{
	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.right;
	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);
	}

	public void setFont(Font f) {
	super.setFont(f);
	target.repaint();
	}
	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(c.getBackground().darker());
	BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex,
	textRect.x - 1, textRect.y + fm.getAscent() - 1);
	}
	}
	}