swing

[Solved] Simple Example SwingUtilities [closed]

by

[ad_1] you can find some usages of most public api methods from grepcode. and here is yours. EDIT a running example may be like this import java.awt.Color; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.SwingUtilities; import javax.swing.border.LineBorder; public class Test { public static void main(String[] args) { SwingUtilities.invokeLater( () -> { JFrame frame … Read more

[Solved] Set color of JTable row at runtime

by

[ad_1] table.setDefaultRenderer(Object.class, new DefaultTableCellRenderer() { @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { Component comp = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); if(!isSelected) { //Important check, see comment below! boolean levelBreak = row == 0; if (!levelBreak) { Object prior = table.getValueAt(row – 1, 0); Object current … Read more

[Solved] Java snake game

by

[ad_1] You could use a Stack or LinkedList for this. Now with every move of the snakes head you add its position (x,y) to the start of the list and remove the last element if there are more elements in the list as the snake length. And while painting you first paint the background and … Read more

[Solved] I am Using Jbuttons on Jpanel and addding this jpanel on Jlist. I am using addMouseListener on list. Not able to get click on Button on Jpanel

by

[ad_1] item.getComponentAt(p); What is the point of that statement? How can you tell if the code worked or not since you never assign the result of the method to a variable? Turns out that because the panel is not really a component displayed on the frame you can’t just do as I originally suggested. If … Read more

[Solved] JCombobox value retrieve from My Sql

by

[ad_1] you have look at AutoCompete JComboBox / JTextField, notice you have to save both Java classes, examples here, please don’t use Netbeans generated code, because in most cases is too hard overrive basic methods, use Standard Swing JComponents instead [ad_2] solved JCombobox value retrieve from My Sql

[Solved] When I run my autoclicker I can’t stop it

by

[ad_1] Swing is single threaded – calling any long running task on that thread will lock that thread up (the EDT) and prevent any painting, events, etc… from occurring. One of the ActionListener implementations creates an infinite loop: while(chckbxAutoclicker.isSelected()){ The above will never evaluate to false, because it is evaluating on the EDT, and events … Read more

[Solved] Java Swings Auto-Resize Pictures

by

[ad_1] One way is to override the paintComponent(…) method of a JPanel to paint the image using the drawImage(….) method. Another option is use a JLabel with an Icon as the background for the frame. Then you can use the Stretch Icon which will automatically scale based on the space available to the label. This … Read more

[Solved] Need Java function that takes image and imagesize(in Kb) as input and return an image [closed]

by

[ad_1] Keep adjusting the compression in this example until the image size in bytes is below the limit. Screen shot Typical outputs Fractional Metrics: true Nonantialiased text mode PNG size: 7390 bytes JPG size: 7036 bytes quality: 35 Fractional Metrics: true Antialiased text mode PNG size: 8741 bytes JPG size: 8663 bytes quality: 55 Fractional … Read more