Swing - gotowe przykłady

src/swing/layout/Layout_Border.java

+package swing.layout;
+
+import java.awt.BorderLayout;
+import java.awt.Font;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class Layout_Border {
+	private final static Font FONT = new Font("Arial", Font.BOLD, 30);
+
+	public static void main(String[] args) {
+		final JFrame okno = new JFrame();
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		BorderLayout layout = new BorderLayout();
+		okno.setLayout(layout);
+		
+		final JButton button1 = new JButton("A");
+		button1.setFont(FONT);
+		okno.add(button1, BorderLayout.CENTER);
+		final JButton button2 = new JButton("B");
+		button2.setFont(FONT);
+		okno.add(button2, BorderLayout.NORTH);
+		final JButton button3 = new JButton("C");
+		button3.setFont(FONT);
+		okno.add(button3, BorderLayout.WEST);
+		final JButton button4 = new JButton("D");
+		button4.setFont(FONT);
+		okno.add(button4, BorderLayout.EAST);
+		
+		okno.pack();
+		okno.setVisible(true);
+	}
+
+}

src/swing/layout/Layout_Box.java

+package swing.layout;
+
+import java.awt.Font;
+
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class Layout_Box {
+	private final static Font FONT = new Font("Arial", Font.BOLD, 30);
+
+	public static void main(String[] args) {
+		final JFrame okno = new JFrame();
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		BoxLayout layout = new BoxLayout(okno.getContentPane(), BoxLayout.X_AXIS);
+		okno.setLayout(layout);
+		
+		final JButton button1 = new JButton("A");
+		button1.setFont(FONT);
+		okno.add(button1);
+		final JButton button2 = new JButton("B");
+		button2.setFont(FONT);
+		okno.add(button2);
+		final JButton button3 = new JButton("C");
+		button3.setFont(FONT);
+		okno.add(button3);
+		final JButton button4 = new JButton("D");
+		button4.setFont(FONT);
+		okno.add(button4);
+		
+		okno.pack();
+		okno.setVisible(true);
+	}
+
+}

src/swing/layout/Layout_BoxY.java

+package swing.layout;
+
+import java.awt.Font;
+
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class Layout_BoxY {
+	private final static Font FONT = new Font("Arial", Font.BOLD, 30);
+
+	public static void main(String[] args) {
+		final JFrame okno = new JFrame();
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		BoxLayout layout = new BoxLayout(okno.getContentPane(), BoxLayout.Y_AXIS);
+		okno.setLayout(layout);
+		
+		final JButton button1 = new JButton("A");
+		button1.setFont(FONT);
+		okno.add(button1);
+		final JButton button2 = new JButton("B");
+		button2.setFont(FONT);
+		okno.add(button2);
+		final JButton button3 = new JButton("C");
+		button3.setFont(FONT);
+		okno.add(button3);
+		final JButton button4 = new JButton("D");
+		button4.setFont(FONT);
+		okno.add(button4);
+		
+		okno.pack();
+		okno.setVisible(true);
+	}
+}

src/swing/layout/Layout_Flow.java

+package swing.layout;
+
+import java.awt.FlowLayout;
+import java.awt.Font;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class Layout_Flow {
+	private final static Font FONT = new Font("Arial", Font.BOLD, 30);
+
+	public static void main(String[] args) {
+		final JFrame okno = new JFrame();
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		FlowLayout layout = new FlowLayout();
+		okno.setLayout(layout);
+		
+		final JButton button1 = new JButton("A");
+		button1.setFont(FONT);
+		okno.add(button1);
+		final JButton button2 = new JButton("B");
+		button2.setFont(FONT);
+		okno.add(button2);
+		final JButton button3 = new JButton("C");
+		button3.setFont(FONT);
+		okno.add(button3);
+		final JButton button4 = new JButton("D");
+		button4.setFont(FONT);
+		okno.add(button4);
+		final JButton button5 = new JButton("E");
+		button5.setFont(FONT);
+		okno.add(button5);
+		final JButton button6 = new JButton("F");
+		button6.setFont(FONT);
+		okno.add(button6);
+		final JButton button7 = new JButton("G");
+		button7.setFont(FONT);
+		okno.add(button7);
+		final JButton button8 = new JButton("H");
+		button8.setFont(FONT);
+		okno.add(button8);
+		
+		okno.pack();
+		okno.setVisible(true);
+	}
+
+}

src/swing/layout/Layout_Flow2.java

+package swing.layout;
+
+import java.awt.FlowLayout;
+import java.awt.Font;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class Layout_Flow2 {
+	private final static Font FONT = new Font("Arial", Font.BOLD, 30);
+
+	public static void main(String[] args) {
+		final JFrame okno = new JFrame();
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		FlowLayout layout = new FlowLayout(FlowLayout.RIGHT, 10, 10);
+		okno.setLayout(layout);
+		
+		final JButton button1 = new JButton("A");
+		button1.setFont(FONT);
+		okno.add(button1);
+		final JButton button2 = new JButton("B");
+		button2.setFont(FONT);
+		okno.add(button2);
+		final JButton button3 = new JButton("C");
+		button3.setFont(FONT);
+		okno.add(button3);
+		final JButton button4 = new JButton("D");
+		button4.setFont(FONT);
+		okno.add(button4);
+		final JButton button5 = new JButton("E");
+		button5.setFont(FONT);
+		okno.add(button5);
+		final JButton button6 = new JButton("F");
+		button6.setFont(FONT);
+		okno.add(button6);
+		final JButton button7 = new JButton("G");
+		button7.setFont(FONT);
+		okno.add(button7);
+		final JButton button8 = new JButton("H");
+		button8.setFont(FONT);
+		okno.add(button8);
+		
+		okno.pack();
+		okno.setVisible(true);
+	}
+
+}

src/swing/layout/Layout_Grid.java

+package swing.layout;
+
+import java.awt.Font;
+import java.awt.GridLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+public class Layout_Grid {
+	private final static Font FONT = new Font("Arial", Font.BOLD, 30);
+
+	public static void main(String[] args) {
+		final JFrame okno = new JFrame();
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		GridLayout layout = new GridLayout(2, 4, 10, 20);
+		okno.setLayout(layout);
+		
+		final JButton button1 = new JButton("A");
+		button1.setFont(FONT);
+		okno.add(button1);
+		final JButton button2 = new JButton("B");
+		button2.setFont(FONT);
+		okno.add(button2);
+		final JButton button3 = new JButton("C");
+		button3.setFont(FONT);
+		okno.add(button3);
+		final JButton button4 = new JButton("D");
+		button4.setFont(FONT);
+		okno.add(button4);
+		final JButton button5 = new JButton("E");
+		button5.setFont(FONT);
+		okno.add(button5);
+		final JButton button6 = new JButton("F");
+		button6.setFont(FONT);
+		okno.add(button6);
+		final JButton button7 = new JButton("G");
+		button7.setFont(FONT);
+		okno.add(button7);
+		final JButton button8 = new JButton("H");
+		button8.setFont(FONT);
+		okno.add(button8);
+		final JButton button9 = new JButton("J");
+		button9.setFont(FONT);
+		okno.add(button9);
+		
+		okno.pack();
+		okno.setVisible(true);
+	}
+
+}

src/swing/layout/WypiszDostepneStyle.java

+package swing.layout;
+
+public class WypiszDostepneStyle {
+	public static void main(String[] args) {
+		System.out.println("Oto dostępne style dla Swinga:");
+		for(javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
+            System.out.println(" * " + info.getName());
+		}
+	}
+}

src/swing/podstawy/Kolory.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.SwingConstants;
+
+public class Kolory {
+	// Za pomocą metod setXXX można zmieniać własności komponentów graficznych, np.
+	// kolor, rozmiar, itd....
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Nasza apka");
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		frame.setSize(600, 400);
+		
+		// Gdybyśmy chcieli zmienić kolor tła całego okna, to w taki sposób:
+		// frame.getContentPane().setBackground(Color.PINK);
+
+		JLabel label1 = new JLabel("Ala ma kota.");
+		label1.setHorizontalAlignment(SwingConstants.CENTER); // domyślnie jest LEADING
+		label1.setVerticalAlignment(SwingConstants.CENTER); // domyślnie jest CENTER
+		label1.setForeground(Color.BLUE);
+		// label1.setForeground(new Color(0, 0, 255, 128));
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+
+		// Aby zmienić kolor tła nie wystarczy setBackground
+		// W przypadku Label itp. komponentów trzeba jeszcze wyłączyć przezroczystość.
+		label1.setOpaque(true);
+
+		// Jeśli chcemy zdefiniować mniej standardowy kolor, to istnieje kilka sposobów:
+		Color kolorTla;
+
+		// gotowa stała
+		// kolorTla = Color.YELLOW;
+		
+		// podając wartości trzech "kanałów", czyli trzech barw podstawowych: Red Green Blue
+		// trzy liczby typu float z zakresu od 0.0 do 1.0
+		// kolorTla = new Color(0.8f, 1.0f, 0.5f);
+
+		// trzy liczby całkowite z zakresu od 0 do 255
+		kolorTla = new Color(255, 240, 128);
+
+		// Czwarty parametr oznacza kanał alfa - stopień przezroczystości (0-przezroczyste 255-nieprzezroczyste) - to ma sens gdy nakładamy kilka obrazów (warstw) na siebie
+		//kolorTla = new Color(255, 240, 128, 128);
+
+		// jedna liczba całkowita, która zapis szesnastkowy odpowiada takiemu kodowaniu:
+		// 0xRRGGBB gdzie RR GG BB to są wartości poszczególnych barw, każda w zakresie
+		// od 00 do FF
+		// kolorTla = new Color(0xFFF080);
+
+		// można też odkodować zapis CSS-owy
+		//kolorTla = Color.decode("#FFF080");
+
+		label1.setBackground(kolorTla);
+
+		frame.add(label1);
+
+		frame.setVisible(true);
+	}
+
+}

src/swing/podstawy/Okno3.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.SwingConstants;
+
+public class Okno3 {
+
+	public static void main(String[] args) {
+		JFrame okno = new JFrame("Nasza apka");
+		okno.setSize(400, 300);
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		// po zamknięciu okna zostanie wyłączona cała aplikacja
+		
+		// do okna dodajemy komponent - JLabel, czyli fragment tekstu
+		JLabel label1 = new JLabel("Hello world");
+		// za pomocą różnych operacji set możemy wpłynąć na wygląd
+		label1.setHorizontalAlignment(SwingConstants.CENTER);
+		label1.setForeground(Color.RED);
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+		
+		// ustawienie koloru tła:
+		label1.setOpaque(true);
+		// label1.setBackground(Color.YELLOW);
+		// samodzielne utworzenie koloru - jest kilka możliwości, a ja podam dwie:
+		// - wartości R G B jako liczby od 0 do 255
+		// label1.setBackground(new Color(0, 200, 255));
+
+		// - jedna liczba całkowita, w której zapisie szestanstkowym kolejne cyfry oznaczają 0xRRGGBB
+		label1.setBackground(new Color(0xFFFFAA));
+		
+		okno.add(label1);
+		
+		okno.setVisible(true);
+	}
+
+}

src/swing/podstawy/Okno4.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.SwingConstants;
+
+public class Okno4 {
+
+    public static void main(String[] args) {
+        JFrame okno = new JFrame("Nasza aplikacja");
+        okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        okno.setSize(800, 600);
+        
+        JLabel label1 = new JLabel("Hello world");
+        label1.setFont(new Font("Arial", Font.BOLD, 40));
+        label1.setForeground(Color.BLUE);
+        label1.setHorizontalAlignment(SwingConstants.CENTER);
+        okno.add(label1);
+        
+        JLabel label2 = new JLabel("Goodbye cruel world");
+        label2.setFont(new Font("Arial", Font.BOLD | Font.ITALIC, 40));
+        label2.setForeground(Color.RED);
+        label2.setHorizontalAlignment(SwingConstants.CENTER);
+        okno.add(label2);
+        
+        JButton button1 = new JButton("OK");
+        button1.setFont(new Font("Arial", Font.BOLD, 40));
+        button1.setForeground(Color.GREEN);
+        button1.setHorizontalAlignment(SwingConstants.CENTER);
+        okno.add(button1);
+        
+        // w tej wersji widać tylko guzik - bo domyślny layout manager zastępuje "centralny" komponent nowym komponentem 
+        okno.setVisible(true);
+        
+    }
+
+}

src/swing/podstawy/Okno4a.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.SwingConstants;
+
+public class Okno4a {
+
+    public static void main(String[] args) {
+        JFrame okno = new JFrame("Nasza aplikacja");
+        okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        okno.setSize(800, 600);
+        
+        JLabel label1 = new JLabel("Hello world");
+        label1.setFont(new Font("Arial", Font.BOLD, 40));
+        label1.setForeground(Color.BLUE);
+        label1.setHorizontalAlignment(SwingConstants.CENTER);
+        okno.add(label1);
+        
+        JLabel label2 = new JLabel("Goodbye cruel world");
+        label2.setFont(new Font("Arial", Font.BOLD | Font.ITALIC, 40));
+        label2.setForeground(Color.RED);
+        label2.setHorizontalAlignment(SwingConstants.CENTER);
+        okno.add(label2, "South");
+        
+        JButton button1 = new JButton("OK");
+        button1.setFont(new Font("Arial", Font.BOLD, 40));
+        button1.setForeground(Color.GREEN);
+        button1.setHorizontalAlignment(SwingConstants.CENTER);
+        okno.add(button1, "West");
+        
+        okno.setVisible(true);
+    }
+
+}

src/swing/podstawy/Okno4b_Border.java

+package swing.podstawy;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno4b_Border {
+
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Nasza apka");
+		frame.setSize(600, 400);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		// Tutaj BorderLayout wskazujemy jawnie. W parametrach można podać odstęp
+		// LayoutManager layout = new BorderLayout();
+		LayoutManager layout = new BorderLayout(10, 25);
+		frame.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Hello world");
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		// label1.setVerticalAlignment(JLabel.TOP);
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+		label1.setForeground(Color.BLUE);
+		label1.setOpaque(true);
+		label1.setBackground(Color.YELLOW);
+		frame.add(label1);
+		
+		JButton button1 = new JButton("Guzik 1");
+		button1.setFont(new Font("Arial", Font.BOLD, 32));
+		// frame.add(button1, "North");
+		frame.add(button1, BorderLayout.NORTH);
+		
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button2, BorderLayout.SOUTH);
+		
+		frame.setVisible(true);
+	}
+
+}

src/swing/podstawy/Okno4c_Flow.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno4c_Flow {
+
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Nasza apka");
+		frame.setSize(600, 400);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		// LayoutManager layout = new FlowLayout();
+		LayoutManager layout = new FlowLayout(FlowLayout.CENTER, 20, 10);
+		frame.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Hello world");
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		// label1.setVerticalAlignment(JLabel.TOP);
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+		label1.setForeground(Color.BLUE);
+		label1.setOpaque(true);
+		label1.setBackground(Color.YELLOW);
+		frame.add(label1);
+		
+		JLabel label2 = new JLabel("Ala ma kota");
+		label2.setFont(new Font("Arial", Font.BOLD, 40));
+		frame.add(label2);
+		
+		JButton button1 = new JButton("Guzik 1");
+		button1.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button1);
+		
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button2);
+		
+		frame.setVisible(true);
+	}
+
+}

src/swing/podstawy/Okno4d_Box.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno4d_Box {
+	// Tu używam już innego layoutu - BoxLayout
+	public static void main(String[] args) {
+		System.out.println("Początek main");
+		
+		JFrame okno = new JFrame("Nasza apka");
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		okno.setSize(600, 400);
+		
+		LayoutManager layout = new BoxLayout(okno.getContentPane(), BoxLayout.Y_AXIS);
+		okno.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Ala ma kota");
+		
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		label1.setFont(new Font("Arial", Font.BOLD, 30));
+		label1.setForeground(Color.RED);
+		okno.add(label1);
+		
+		JLabel label2 = new JLabel("Ola ma psa");
+		label2.setHorizontalAlignment(JLabel.RIGHT);
+		label2.setFont(new Font("Arial", Font.ITALIC, 30));
+		label2.setForeground(Color.BLUE);
+		okno.add(label2);
+		
+		JButton button1 = new JButton("Kliknij mnie");
+		button1.setFont(new Font("Arial", Font.BOLD | Font.ITALIC, 30));
+		button1.setForeground(Color.GREEN);
+		okno.add(button1);
+
+		okno.setVisible(true);
+
+		System.out.println("Koniec main");
+	}
+
+}

src/swing/podstawy/Okno4e_Grid.java

+package swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.GridLayout;
+import java.awt.LayoutManager;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno4e_Grid {
+	public static void main(String[] args) {
+		System.out.println("Początek main");
+		
+		JFrame okno = new JFrame("Nasza apka");
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		okno.setSize(600, 400);
+		
+		LayoutManager layout = new GridLayout(2, 2);
+		okno.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Ala ma kota");
+		
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		label1.setFont(new Font("Arial", Font.BOLD, 30));
+		label1.setForeground(Color.RED);
+		okno.add(label1);
+		
+		JLabel label2 = new JLabel("Ola ma psa");
+		label2.setHorizontalAlignment(JLabel.RIGHT);
+		label2.setFont(new Font("Arial", Font.ITALIC, 30));
+		label2.setForeground(Color.BLUE);
+		okno.add(label2);
+		
+		JButton button1 = new JButton("Kliknij mnie");
+		button1.setFont(new Font("Arial", Font.BOLD | Font.ITALIC, 30));
+		button1.setForeground(Color.GREEN);
+		okno.add(button1);
+
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 30));
+		button2.setForeground(Color.MAGENTA);
+		okno.add(button2);
+
+		okno.setVisible(true);
+
+		System.out.println("Koniec main");
+	}
+
+}

src/swing/rysowanie/OknkoZPilka.java

+package swing.rysowanie;
+
+import java.awt.EventQueue;
+
+import javax.swing.JFrame;
+import javax.swing.GroupLayout;
+import javax.swing.GroupLayout.Alignment;
+import javax.swing.JButton;
+import javax.swing.JPanel;
+import javax.swing.LayoutStyle.ComponentPlacement;
+import javax.swing.Timer;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.event.ActionListener;
+import java.awt.event.ActionEvent;
+import javax.swing.JToggleButton;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.concurrent.ThreadLocalRandom;
+
+public class OknkoZPilka {
+
+	private static final Font FONT_GUZIKOW = new Font("Dialog", Font.BOLD, 20);
+	private JFrame frame;
+	private Timer spadanie;
+	private PanelGraficzny panelGraficzny;
+	private JToggleButton tglbtnSpadaj;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					OknkoZPilka window = new OknkoZPilka();
+					window.frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the application.
+	 */
+	public OknkoZPilka() {
+		initialize();
+		mojeUstawienia();
+	}
+	
+	private void mojeUstawienia() {
+		spadanie = new Timer(500, new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				if(tglbtnSpadaj.isSelected()) {
+					panelGraficzny.wDol();
+				}
+			}
+		});
+		spadanie.start();
+	}
+
+	/**
+	 * Initialize the contents of the frame.
+	 */
+	private void initialize() {
+		frame = new JFrame();
+		frame.setBounds(100, 100, 1075, 724);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		panelGraficzny = new PanelGraficzny();
+		panelGraficzny.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mousePressed(MouseEvent ev) {
+				
+				switch(ev.getButton()) {
+				case MouseEvent.BUTTON1:
+					panelGraficzny.ustawPolozenie(ev.getX(), ev.getY());
+					break;
+				case MouseEvent.BUTTON3:
+					panelGraficzny.zmienKolor();
+					break;
+				}
+			}
+		});
+		
+// TODO :)
+//		panelGraficzny.addKeyListener(new KeyAdapter() {
+//			@Override
+//			public void keyPressed(KeyEvent evt) {
+//				switch(evt.getKeyChar()) {
+//				case 'a': panelGraficzny.wLewo(); break;
+//				case 'd': panelGraficzny.wPrawo(); break;
+//				}
+//			}
+//		});
+		panelGraficzny.setBackground(Color.WHITE);
+		
+		JPanel panelGuzikow = new JPanel();
+		GroupLayout groupLayout = new GroupLayout(frame.getContentPane());
+		groupLayout.setHorizontalGroup(
+			groupLayout.createParallelGroup(Alignment.LEADING)
+				.addGroup(Alignment.TRAILING, groupLayout.createSequentialGroup()
+					.addContainerGap()
+					.addGroup(groupLayout.createParallelGroup(Alignment.TRAILING)
+						.addComponent(panelGraficzny, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 1043, Short.MAX_VALUE)
+						.addComponent(panelGuzikow, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 1043, Short.MAX_VALUE))
+					.addContainerGap())
+		);
+		groupLayout.setVerticalGroup(
+			groupLayout.createParallelGroup(Alignment.LEADING)
+				.addGroup(Alignment.TRAILING, groupLayout.createSequentialGroup()
+					.addContainerGap()
+					.addComponent(panelGraficzny, GroupLayout.DEFAULT_SIZE, 545, Short.MAX_VALUE)
+					.addGap(18)
+					.addComponent(panelGuzikow, GroupLayout.PREFERRED_SIZE, 104, GroupLayout.PREFERRED_SIZE)
+					.addContainerGap())
+		);
+		
+		JButton btnLewo = new JButton("LEWO");
+		btnLewo.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				panelGraficzny.wLewo();
+			}
+		});
+		btnLewo.setFont(FONT_GUZIKOW);
+		
+		JButton btnPrawo = new JButton("PRAWO");
+		btnPrawo.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				panelGraficzny.wPrawo();
+				// panelGraficzny.repaint();
+			}
+		});
+		btnPrawo.setFont(FONT_GUZIKOW);
+		
+		tglbtnSpadaj = new JToggleButton("Spadaj");
+		tglbtnSpadaj.setFont(FONT_GUZIKOW);
+		GroupLayout gl_panelGuzikow = new GroupLayout(panelGuzikow);
+		gl_panelGuzikow.setHorizontalGroup(
+			gl_panelGuzikow.createParallelGroup(Alignment.LEADING)
+				.addGroup(gl_panelGuzikow.createSequentialGroup()
+					.addContainerGap()
+					.addComponent(btnLewo, GroupLayout.PREFERRED_SIZE, 111, GroupLayout.PREFERRED_SIZE)
+					.addGap(18)
+					.addComponent(btnPrawo, GroupLayout.PREFERRED_SIZE, 124, GroupLayout.PREFERRED_SIZE)
+					.addPreferredGap(ComponentPlacement.UNRELATED)
+					.addComponent(tglbtnSpadaj, GroupLayout.PREFERRED_SIZE, 118, GroupLayout.PREFERRED_SIZE)
+					.addContainerGap(648, Short.MAX_VALUE))
+		);
+		gl_panelGuzikow.setVerticalGroup(
+			gl_panelGuzikow.createParallelGroup(Alignment.LEADING)
+				.addGroup(Alignment.TRAILING, gl_panelGuzikow.createSequentialGroup()
+					.addContainerGap()
+					.addGroup(gl_panelGuzikow.createParallelGroup(Alignment.TRAILING)
+						.addComponent(tglbtnSpadaj, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)
+						.addGroup(Alignment.LEADING, gl_panelGuzikow.createParallelGroup(Alignment.BASELINE)
+							.addComponent(btnLewo, GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)
+							.addComponent(btnPrawo, GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)))
+					.addContainerGap())
+		);
+		panelGuzikow.setLayout(gl_panelGuzikow);
+		frame.getContentPane().setLayout(groupLayout);
+	}
+	
+	private static 
+	class PanelGraficzny extends JPanel {
+		private static final int SREDNICA = 40;
+		// położenie i kolor "piłki"
+		private int x, y;
+		private Color kolor = Color.RED;
+		private int numer = 0;
+		
+		@Override
+		protected void paintComponent(Graphics g) {
+			super.paintComponent(g);
+			
+			numer++;
+			g.drawString(""+numer, 100, 100);
+			
+			g.setColor(kolor);
+			g.fillOval(x, y, SREDNICA, SREDNICA);
+			
+//			try {
+//				BufferedImage img = ImageIO.read(new File("obrazek.jpg"));
+//				g.drawImage(img, ...)
+//				
+//			} catch (IOException e) {
+//				e.printStackTrace();
+//			}
+			
+		}
+		
+		public void wPrawo() {
+			x += SREDNICA;
+			if(x + SREDNICA > this.getWidth()) {
+				x = this.getWidth() - SREDNICA;
+			}
+			repaint();
+		}
+
+		public void wLewo() {
+			x -= SREDNICA;
+			if(x < 0) {
+				x = 0;
+			}
+			repaint();
+		}
+
+		public void wDol() {
+			y += SREDNICA;
+			if(y + SREDNICA > this.getHeight()) {
+				y = this.getHeight() - SREDNICA;
+			}
+			repaint();
+		}
+		
+		public void ustawPolozenie(int x, int y) {
+			this.x = x - SREDNICA/2;
+			this.y = y - SREDNICA/2;
+			repaint();
+		}
+		
+		public void zmienKolor() {
+			int nowyKolor = ThreadLocalRandom.current().nextInt(0x1000000);
+			this.kolor = new Color(nowyKolor);
+			this.repaint();
+		}
+	}
+}

src/swing/rysowanie/Rysowanie.java

+package swing.rysowanie;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+
+import javax.swing.BoxLayout;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class Rysowanie {
+	private JFrame okno;
+	private PanelRysujacy panel;
+	
+	public void przygotujIWyswietl() {
+		przygotujWyglad();
+		ustawZdarzenia();
+		dzialaj();
+	}
+
+
+	private void przygotujWyglad() {
+		okno = new JFrame("Rysowanie");
+		okno.setSize(400, 400);
+		
+		BoxLayout layout = new BoxLayout(okno.getContentPane(), BoxLayout.Y_AXIS);
+		okno.setLayout(layout);
+
+		panel = new PanelRysujacy();
+		okno.add(panel);
+		
+	}
+
+	private void ustawZdarzenia() {
+		
+	}
+
+	private void dzialaj() {
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		okno.setVisible(true);		
+	}
+
+
+	public static void main(String[] args) {
+		new Rysowanie().przygotujIWyswietl();
+	}
+
+	private static class PanelRysujacy extends JPanel {
+		private int licznik = 0;
+		
+		@Override
+		protected void paintComponent(Graphics g) {
+			super.paintComponent(g);
+			
+			g.drawLine(10, 10, 30, 100);
+			
+			g.setColor(Color.RED);
+			g.setFont(new Font("Tahoma", Font.BOLD, 32));
+			g.drawString("Hello world", 50, 50);
+			
+			g.setColor(new Color(0xAA2288));
+			
+			g.fillOval(100, 20, 30, 30);
+			
+			licznik++;
+			g.setColor(Color.BLUE);
+			g.setFont(new Font("Tahoma", Font.BOLD, 24));
+			g.drawString("Licznik: " + licznik, 200, 300);		
+		}
+	}
+}

src/swing/rysowanie/Rysowanie2D.java

+package swing.rysowanie;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.geom.AffineTransform;
+
+import javax.swing.BoxLayout;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+public class Rysowanie2D {
+	private JFrame okno;
+	private PanelRysujacy panel;
+	
+	public void przygotujIWyswietl() {
+		przygotujWyglad();
+		ustawZdarzenia();
+		dzialaj();
+	}
+
+
+	private void przygotujWyglad() {
+		okno = new JFrame("Rysowanie");
+		okno.setSize(800, 800);
+		
+		BoxLayout layout = new BoxLayout(okno.getContentPane(), BoxLayout.Y_AXIS);
+		okno.setLayout(layout);
+
+		panel = new PanelRysujacy();
+		okno.add(panel);
+		
+	}
+
+	private void ustawZdarzenia() {
+		
+	}
+
+	private void dzialaj() {
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		okno.setVisible(true);		
+	}
+
+
+	public static void main(String[] args) {
+		new Rysowanie2D().przygotujIWyswietl();
+	}
+	
+	private static class PanelRysujacy extends JPanel {
+		private int licznik = 0;
+		
+		@Override
+		protected void paintComponent(Graphics g) {
+			super.paintComponent(g);
+			
+			if(g instanceof Graphics2D) {
+				Graphics2D g2 = (Graphics2D)g;
+				
+				AffineTransform pustyTrans = g2.getTransform();
+				
+				g2.setColor(Color.PINK);
+				g2.fillRect(50, 50, 100, 200);
+				
+				// filtr przez ktory przechodza wszystkie polecenia ponizej
+				g2.rotate(Math.PI / 4, 200, 200);
+				g2.setColor(Color.GREEN);
+				g2.fillRect(50, 50, 100, 200);
+				
+				g2.setColor(Color.YELLOW);
+				g2.fill3DRect(300, 200, 50, 50, true);
+				
+				g2.setTransform(pustyTrans);
+				
+				g2.setColor(Color.RED);
+				g2.fillArc(300, 300, 100, 100, 0, 30);
+				g2.setColor(Color.BLUE);
+				g2.fillArc(300, 300, 100, 100, 30, 130);
+				g2.setColor(Color.GREEN);
+				g2.fillArc(300, 300, 100, 100, 160, 200);
+			}
+		}
+	}
+}
\ No newline at end of file

src/swing/zdarzenia/Rozmowa0.java

+package swing.zdarzenia;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+public class Rozmowa0 {
+	private static final Font FONT = new Font("Arial", Font.BOLD, 32);
+	private static final Dimension odstep = new Dimension(0, 10);
+
+	public static void main(String[] args) {
+		JFrame okno = new JFrame("Rozmowa");
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+		JPanel panel = new JPanel();
+		okno.setContentPane(panel); // panel jest wnętrzem okna
+
+		// panel.setBorder(BorderFactory.createLineBorder(Color.BLUE, 5));
+		panel.setBorder(BorderFactory.createEmptyBorder(5, 10, 5, 10));
+
+		LayoutManager layout = new BoxLayout(panel, BoxLayout.Y_AXIS);
+		panel.setLayout(layout);
+
+		JLabel pytanie = new JLabel("Jak masz na imię?");
+		pytanie.setFont(FONT);
+		panel.add(pytanie);
+
+		panel.add(Box.createRigidArea(odstep));
+
+		JTextField pole = new JTextField();
+		pole.setFont(FONT);
+		pole.setForeground(Color.MAGENTA);
+		panel.add(pole);
+
+		panel.add(Box.createRigidArea(odstep));
+
+		JButton guzik = new JButton("OK");
+		guzik.setFont(FONT);
+		guzik.setMaximumSize(new Dimension(Integer.MAX_VALUE, 30));
+		panel.add(guzik);
+
+		panel.add(Box.createRigidArea(odstep));
+
+		JLabel powitanie = new JLabel("Witaj");
+		powitanie.setFont(FONT);
+		powitanie.setForeground(Color.BLUE);
+		panel.add(powitanie);
+
+		panel.add(Box.createRigidArea(odstep));
+
+        JButton guzik2 = new JButton("Niespodzianka");
+        guzik2.setFont(FONT);
+        guzik2.setForeground(Color.RED);
+        guzik2.setMaximumSize(new Dimension(Integer.MAX_VALUE, 30));
+        panel.add(guzik2);
+
+        panel.add(Box.createRigidArea(odstep));
+		okno.pack();
+
+		okno.setVisible(true);
+		System.out.println("okno wyświetlone, koniec main");
+	}
+
+}