Recent questions tagged swing

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swing - Add different combobox for each row of a column in a jtable

public class TablePanel extends JPanel implements ActionListener,Serializable { JTable m_table; JComboBox combo,combo1; ... value1 only. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

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swing - Changing a color chooser button's background color in Java

I have a Java button that opens a JColorChooser dialog. I would like for the color of the button to change ... the "fill with color" button. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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626 views

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swing - How to correct/center GridLayout using standard Java layout managers?

The below code represents the problem. Since I have heights of the north and south panels set the rest of ... (Color.DARK_GRAY); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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swing - Implementing Workstation lock listener using Java

Window get locked when we press WIN_HOME+L key together. We can find lot good example to listen to window ... listener if frame is iconified? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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600 views

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swing - Java - How to add a JOptionPane for Yes and No options

So, I've read the Java API, but still can't seem to make heads or tails about how to do this. ... suitably change it to meet my requirements? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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750 views

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swing - ENTER key using in JTextField java

I'm using two JTextField in Java Swing form. Now I enter the values in JTextField1. Next if I press ENTER KEY ... JTextField2. How to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

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swing - Form validation for JTextfield in Java?

Is there an easy way to validate a group of JTextFields in Java. I am currently using sqlite manager, ... entered. Custom validation message? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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586 views

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swing - Java JFrame background color not working

I tried using: frame1.getContentPane().setBackground(Color.yellow); But it is not working. Can anyone help me? import java. ... .exit(0); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

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swing - Delay is not working in java graphics

This is a code for drawing points on calculated locations by Bresenham's algorithm: public void drawBresenhamPoints( ... interval of 1 second. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

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swing - Asking for some clarification in java about jlabel and parent

Found this code in the internet, it was posted years ago, so I just decided to ask here for some clarifications for ... (chessPiece); } .... } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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726 views

1 answer

swing - Blinking in JFrame Java

Hello guys I am doing a thread to update a ball over JFrame so I repaint the screen... and then paint the ... is like down under the Jframe .. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

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swing - printing a 2 pages of jframe in java

i would like to print a jframe that contain a lot of textfield and buttons that contain a data. i want to ... from the jframe. Thanks for help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

1 answer

swing - drawing shape objects in java (draggable,resizable and can rotate)

I am trying to draw shapes (triangle, rectangle, square and circle) that can be used in creating a picture ... What libraries would you suggest? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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629 views

1 answer

swing - java JFrame graphics

I have the following simple code in a JFrame constructor super(name); setBounds(0,0,1100,750); setLayout(null); ... the blank JFrame. Why ?? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

1 answer

swing - Java KeyListener keyPressed method fires too fast

If you use the java KeyListener class you know that if you hold down a key keyPressed will fire one KeyEvent, ... of about once every 500 ms. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

548 views

1 answer

swing - Java JSlider precision problems

I have a list of N JSliders (N does not change procedurally, only as I add more features. Currently N equals 4 ... ; frame.setVisible(true); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

479 views

1 answer

swing - Why does one have to use the paintComponent method to draw in Java?

I hope this question is not going to be regarded as too general. I understand that to draw on a JPanel you ... just can't figure it out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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609 views

1 answer

swing - How to check for key being held down on startup in Java

I'm trying to write a resolution selection dialog that pops up when a program first starts up. To prevent ... starts before the app launches. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

1 answer

swing - Java transparent panels & custom effect on panels

I want to have transparent panels in my GUI (if like Windows 7 window headers, it is better). Before I have ... effect is also helpful for me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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478 views

1 answer

swing - validateTree in Java 7.x doesnt work (in Java 6.x was fine)

My version of java is: Java Plug-in 10.3.1.255 Using JRE version 1.7.0_03-b05 Java HotSpot(TM) Client VM So ... code to work in Java 6x and 7x. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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641 views

1 answer

swing - Get Any/All Active JFrames in Java Application?

Is there a way from within a Java application to list all of the currently open/active (I'm not sure the ... on screen? Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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466 views

1 answer

swing - how to start a function after stop typing in a JTextField in java

how to start a function after stop typing in a JTextField. Not for every key release. If two key release time ... . Otherwise wait for 1 second. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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530 views

1 answer

swing - Java Mouse "Flashlight" effect?

I'm coding a simple 2D maze game where you go through many rooms. I want to make it a bit challenging by ... load) PS: I'm using eclipse. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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860 views

1 answer

swing - Jtable Row Span and Column Span

Is there any way to implement row span and colspan in JTable like html table. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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687 views

1 answer

swing - Java Fullscreen mode not working on Ubuntu

So I'm using Ubuntu and when I want to enter fullscreen mode in Java, a normal window appears with max ... ); vc.setFullScreenWindow(window); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

664 views

1 answer

swing - set size wont work in java

public void start_Gui() { JFrame window = new JFrame("Client Program"); window.setDefaultCloseOperation( JFrame. ... Thanks for the help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

901 views

1 answer

swing - java BoxLayout panel's alignment

I have browsed around and haven't found a solution that specifically tailors to my situation. I have a panel ... for any help or suggestions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

618 views

1 answer

swing - Scala Popup Menu

How do I cause a popup to get shown in Scala? I have a "backdoor" but it seems pretty ugly to me: val ... .add(item.peer) popup.setVisible(true) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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