http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_by_API%2Fjava.awt%2FEventQueue 2026-04-26T14:21:43Z История изменений этой страницы в вики MediaWiki 1.30.0 http://www.jexp.ru/index.php?title=Java_by_API/java.awt/EventQueue&diff=1173&oldid=prev 2010-05-31T17:43:48Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://www.jexp.ru/index.php?title=Java_by_API/java.awt/EventQueue&diff=1174&oldid=prev 2010-05-31T14:31:14Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>== EventQueue: getNextEvent() ==<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> &lt;!-- start source code --&gt;<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> <br /> <br /> import java.awt.AWTEvent;<br /> import java.awt.EventQueue;<br /> import java.awt.Graphics;<br /> import java.awt.Point;<br /> import java.awt.Toolkit;<br /> import java.awt.event.ActionEvent;<br /> import java.awt.event.ActionListener;<br /> import java.awt.event.MouseEvent;<br /> import javax.swing.JButton;<br /> import javax.swing.JFrame;<br /> import javax.swing.JPanel;<br /> public class Main extends JPanel implements ActionListener {<br /> Main() {<br /> JButton button = new JButton(&quot;Click to chooose the first point&quot;);<br /> add(button);<br /> button.addActionListener(this);<br /> }<br /> public void actionPerformed(ActionEvent evt) {<br /> Graphics g = getGraphics();<br /> Point p = getClick();<br /> g.drawOval(p.x - 2, p.y - 2, 4, 4);<br /> Point q = getClick();<br /> g.drawOval(q.x - 2, q.y - 2, 4, 4);<br /> g.drawLine(p.x, p.y, q.x, q.y);<br /> g.dispose();<br /> }<br /> public Point getClick() {<br /> EventQueue eq = Toolkit.getDefaultToolkit().getSystemEventQueue();<br /> while (true) {<br /> try {<br /> AWTEvent evt = eq.getNextEvent();<br /> if (evt.getID() == MouseEvent.MOUSE_PRESSED) {<br /> MouseEvent mevt = (MouseEvent) evt;<br /> Point p = mevt.getPoint();<br /> Point top = getRootPane().getLocation();<br /> p.x -= top.x;<br /> p.y -= top.y;<br /> return p;<br /> }<br /> } catch (InterruptedException e) {<br /> }<br /> }<br /> }<br /> public static void main(String[] args) {<br /> JFrame frame = new JFrame();<br /> frame.setSize(300, 200);<br /> frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br /> frame.add(new Main());<br /> frame.setVisible(true);<br /> }<br /> }<br /> <br /> <br /> &lt;/source&gt;<br /> <br /> <br /> &lt;!-- end source code --&gt;</div>

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