Size « JPanel « Java Swing Q&A





1. Netbeans GUI Designer & Fixed-Size Application Panels    stackoverflow.com

I'm having a problem, creating a fixed-size overall panel for a touchscreen GUI application that has to take up the entire screen. In a nutshell, the touchscreen is 800 x ...

2. Automatically size JPanel inside JFrame    stackoverflow.com

I have a JPanel subclass on which I add buutons, labels, tables, etc. To show on screen it I use JFrame:

MainPanel mainPanel = new MainPanel(); //JPanel subclass

JFrame mainFrame = new JFrame();
mainFrame.setTitle("main ...

3. JPanel size by inner components    stackoverflow.com

Is it possible to tell JPanel to set its size to fit all components that it contains? Something like pack() for JFrame. edit: The trick with preferredSize didn't help. I've got JSplitPane, ...

4. How to make Jpanel expand to the size of the JFrame?    stackoverflow.com

The below code is from the book objects First With Java By Michale Kolling and David J Barnes and the following is an exercise (ex 5.49) from the book.The ex is ...

5. Set size of a Jframe in the Jpanel program?    stackoverflow.com

In the JPanel program, I wrote this:

String size = JOptionPane.showInputDialog("What frame length?");
int s = Integer.parseInt(size);
and I use the s variable in the body of the code. The problem is, I need to ...

6. Setting the size of panels    stackoverflow.com

I have 3 panels. One is the main panel which holds 2 smaller panels. For the main panel, I used

setPreferredSize(new Dimension(350, 190));
For the smaller left panel, I used
setPreferredSize(new Dimension(100, 190));
For the ...

7. How to change the size of the graphics    stackoverflow.com

I have Java applet to draw an array (just some rectangle one after another). When user select to create array of size n, it will draw n rectangles connected together. When n ...

8. why setPrefferedSize() method not working for JPanel?    stackoverflow.com

i have created n JPanels and in each JPanel i have added 3 components.i add these JPanels to a new JPanel as rows. layout for n JPanels is FlowLayout and for ...

9. how to get size of panel based on the size of graphics put on it    stackoverflow.com

I am writing program which draw table by drawing multiple rectangles. The row and col of the table are set at run-time. So how do i know the size of the ...





10. How to maximize image size as the size of the JPanel    stackoverflow.com

How I can maximize the size of picture with the size of JPanel?

11. setting the size of a JPanel    stackoverflow.com

I have a class that extends a JPanel called Row. I have a bunch of Row added to a JLabel, the code is the following:

       ...

12. add()ing to a JPanel breaks its size    stackoverflow.com

I have a JPanel identified by myPanel. I create a series of JButtons, and add() them to myPanel. At the end of my generating-and-adding loop, I call myPanel.validate(). The buttons show ...

13. Detecting source of change in JPanel size    stackoverflow.com

I have a class called TablePanel descended from JPanel. An instance of this class is resizing itself sometimes when I click on a check box that is in another part ...

14. JPanel Preferred Size Not Being Set    stackoverflow.com

When is the preferred size of a JPanel set if you don't set it explicitly? I have the following code:

private static class ScrollableJPanel extends JPanel implements Scrollable {
   ...

15. intellij and swing - changing jpanel size    stackoverflow.com

I am using intellij with swing.
My application runs on different computers with different monitors.
I want to display my form in different sizes. I have a JPanel (not the main . inner ...

16. Is this the actual size of panel?    stackoverflow.com

JPanel scorePanel = new JPanel();
scorePanel.setBackground( new Color( 95 , 8 , 248 , 255 ));
JLabel scoreLabel = new JLabel( "Score : 0"  );
scoreLabel.setForeground( Color.white );
scoreLabel.setFont( new Font( "Cambria" , Font.BOLD ...





17. java use size of JPanel to size components    stackoverflow.com

Is it possible to use the size of a JPanel to set the size of components inside the JPanel? When I try to use getHeight() or getWidth() on the JPanel it ...

18. Java - Screen Size on a Mac    stackoverflow.com

I have a Java application, and in order to find the size of the screen to use, I do the following, for example:

Toolkit.getDefaultToolkit().getScreenSize().width;
Toolkit.getDefaultToolkit().getScreenSize().height;
In my application, I am painting some items on ...

19. Size of JPanel isn't changing in Netbeans    stackoverflow.com

I have a Netbeans GUI Project created with all the auto-generated content. On the Main Form I have a Frame View > JPanel (mainPanel) I have tried to change the preferredSize and MinimumSize ...

20. Make an image follow the frame size    stackoverflow.com

I'm using Java Swing to make a GUI. I need to present to the user some information printed on images (which are generated at run time as BufferedImage objects). What I am doing: ...

21. Get size of JPanel before realizing    stackoverflow.com

I've created JPanel and have already added components into it and I'm going to pass that JPanel to PopUpFactory... So can I get size of JPanel before passing it? I put Jlabel ...

22. JPanel size    coderanch.com

Hi all, Is there a way to set the width of a panel only? setPrefferedSize and setMaximumSize do work for both dimensions. I want to place labels on panels but they can get very long, so I want to make the text wrap... But because I have nested panels generated dynamically i never know how many i will get, i can ...

23. JPanel size    coderanch.com

Hi I don't understand why i don't get my screen size (it gives me 0) with the same way that it get it in my paint method. In paintComponent i have a function fillRect(0, 0, getWidth(), getHeight(), this); nad it works and fills my screen with given colour. But in same class, in constructor i want to give values to int ...

24. Minimum Size on JPanel    coderanch.com

25. Size of JFrame and JPanel    coderanch.com

26. Forcing size of JPanel    coderanch.com

I'm trying to create a color panel behind some JLabels for visual feedback on a process. The problem I'm having is that the panel automatically resizes to fit the labels, regardless of any of the size settings. This is a data collection program running on our factory floor collecting data from some wireless barcode scanners. The labels provide detailed status of ...

27. settiing size of Jpanel    coderanch.com

28. Panel sizing problem    coderanch.com

29. JFrame, JPanel and sizes    coderanch.com

Hi, I'ld like to add a JPane to a JFrame. The JFrame is empty but the JPane is already filled with components and already has a certain size. I'ld like to add the pane to the frame but the pane has to maintain its size. How do I know what size to make the frame to not resize the panel? Is ...

30. Swing: Unable to bring down the size of JPanel    coderanch.com

1. I am new to Swing and I am trying to put a JButton in to a JPanel. The JPanel is configured to work with BorderLayout. I want the panel to exactly fit the size of the button but I could not do it. The panel is large and there is ugly space sorrounding it. 2. I am trying to set ...

31. Increasing the size of the Panel    coderanch.com

32. Changing the Panel size dyanamically    coderanch.com

33. JPanel - Screen Size    coderanch.com

34. How to adjust sizes and positions in a JPanel/JFrame    coderanch.com

I'm not a good Swing programmer so I'm having frustrations on to what to do with this: I couldn't fix the positions and the sizes... Can you help me convert this frame into something normal (normal sizes for text fields and buttons). Here's my code: import java.awt.GridLayout; import java.util.*; import javax.swing.*; import static java.lang.System.out; public class GUI { Vector> rowdata = ...

35. Jpanel not displayed without minimizing JFrame    coderanch.com

public class NewForm implements ActionListener { JFrame frame = new JFrame("Sample Demo"); JPanel panel1 = new JPanel(); JLabel label1 = new JLabel(); public NewForm() { frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); initComponents1(); } private void initComponents1() { JRadioButtonMenuItem[] rbMenuItem; JMenu menu; JMenuBar greenMenuBar; frame.setSize(Integer.MAX_VALUE, Integer.MAX_VALUE); menu = new JMenu("Sample Menu"); rbMenuItem = new JRadioButtonMenuItem[Main.list1.size()]; greenMenuBar = new JMenuBar(); frame.add(greenMenuBar); menu = new JMenu("Please select the Type"); ...

36. set size of jpanel    coderanch.com

38. Way to reliably set the size of a JPanel in a JFrame?    coderanch.com

It all depends on the LayoutManagers being used. The layout manager uses the preferred size as a suggestion. Then based on the rules of the layout manager it sets the size and location of the components. In your case a GridLayout will use all the space available and just divide it up 3 ways so you may not get the layout ...

39. getting panels the size I want without using IDE    coderanch.com

Hello. Why is it that when I add panels of a set size to a frame container of a set size, that the panels just fill the size of the panel and do not take on the dimension I give them? I want to achieve this without using the IDE please. As an example, I include some simple code below. Can ...

40. Sub JPanel Size    coderanch.com

Hi Every one, I am trying to add some panels to my main Jpanel . I have three simple class as below. Every thing works fine except that I can not set the sub JPanels(pan1,pan2,pan3) size! 1-Class MyPanel 2-Class MyFrame 3-Class Main I tried the setPreferredSize() method as well, but it did not work! Could you please let me know what ...

41. Getting JPanel size    coderanch.com

Hello everybody, I have a problem with getting the correct size of the JPanel using getWidth() and getHeight() methods. The program is supposed to plot the function in the rectangle and should also have some text fields and a button. The problem is that the window has to be resizable and for that i need to use abovementioned methods which in ...

42. panel sizing problem    coderanch.com

hey guys....... in net beans ,,,the size of the panel automatically enlarges ... i tried many times to reduce the size then save it but again it displays enlarged form ....... what i do........... also the size of preview window enlarges automatically....... what's the error.. do i need to make some of the properties to change.. if so which one.......please help ...

43. Panel sizing    java-forums.org

I have the following code example. It contains a Frame, within the Frame is a TabbedPanel, and in the left tabbed panel is a SplitPane. The problem is the split panes are very small. I thought using the BorderLayout.CENTER when I added the split pane to the tabbed pane, would make the split pane use the full size. What needs to ...

44. JPanel getSize() getWidth(); also force maximum size?    java-forums.org

I have a Jpanel that has a BorderLayout.WEST and CENTER. I would like the CENTER JPanel (has overridden paint component) to use All available space for the X size. Right now I have a custom setPreferredSize and I do not want to set the X size. 1 ) How can I have the X Dimension fill whats left of the X ...

46. JPanel size problem    forums.oracle.com

First, use .setPreferredSize on the components you want to set sizes on. Then, before you .setVisible(true), call .pack() on your frame. This will size your window based on the preferred sizes you set and the default size calculations for those you didn't set. You also appear to be adding stuff to the frame after making it visible. This is generally a ...

47. JPanel set size does not works    forums.oracle.com

Usually, layout managers are in charge of panel size and location. In your case, setting the dimensions is mostly used for other things, and won't have much immediate visible effect. One example that uses these dimension methods would be the Window.pack() method. Description from the API: "Causes this Window to be sized to fit the preferred size and layouts of its ...

48. JPanel size    forums.oracle.com

I have to create a graphics pane which draws a dot on every spot the user clicks the mouse. I have successfully created this but I cannot change the size of the panel. Everything else works. I can set the background color and paint the dots but the panel is so tiny the dots barely fit inside it. I've tried setSize(int, ...

49. JPanel looses size.............    forums.oracle.com

AOA i have 4 jpanels in an outer jPanel. inner 4 panels have some labels added on them. When i fetch data and populate the labels by clicking a button, then outer panel looses its size and pushes another panel with it on a side. What fuction may i use to get a consisten size of GUI components. regards

50. JPanel: How to set the defualt size    forums.oracle.com

51. Enforce JPanel Size    forums.oracle.com

I'm trying to write up a simple drawing app. I'm using a JFrame with the borderlayout in order to put the image in the center with the tools and information all around it. For the CENTER, I add a JPanel into it (to "cushion" the edges) and then another JPanel into that one which is the image to be viewed and ...

52. set size JPanel inside a JFrame    forums.oracle.com