54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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public class Attente extends JComponent implements WindowListener {
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private boolean enArrierePlan = false;
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public Attente() {
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super();
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}
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@Override
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protected void paintComponent(Graphics pinceau) {
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Graphics secondPinceau = pinceau.create();
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secondPinceau.setColor(this.getForeground());
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if (enArrierePlan) {
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int col = 5;
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int ligne = 5;
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int caseWidth = getWidth() / col;
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int caseHeight = getHeight() / ligne;
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secondPinceau.setColor(Color.CYAN);
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int[] xPoints = {0,caseWidth * col, 0, caseWidth * col};
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int[] yPoints = {0,0,caseHeight * ligne, caseHeight * ligne};
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secondPinceau.fillPolygon(xPoints, yPoints, 4);
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} else {
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secondPinceau.setColor(Color.GREEN);
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secondPinceau.fillRect(0, 0, getWidth(), getHeight());
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secondPinceau.setColor(Color.MAGENTA);
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secondPinceau.fillOval(100, 100, 100, 100);
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}
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}
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@Override
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public void windowDeactivated(WindowEvent evenement) {
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System.out.println("Fenêtre mise en arrière-plan");
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enArrierePlan = true;
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repaint();
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}
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@Override
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public void windowActivated(WindowEvent e) {
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System.out.println("Fenêtre active");
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enArrierePlan = false;
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repaint();
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}
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@Override public void windowOpened(WindowEvent e) {}
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@Override public void windowClosing(WindowEvent e) {}
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@Override public void windowClosed(WindowEvent e) {}
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@Override public void windowIconified(WindowEvent e) {}
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@Override public void windowDeiconified(WindowEvent e) {}
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}
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