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• A simple two column layout with Swing

  - by Derk

  How to get a sidebar JPanel of a fixed with with Swing. Now I'm trying this: public SidebarPanel() { this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS)); this.setPreferredSize(new Dimension(200, this.getPreferredSize().height)); ... But when I resize the window also the width of the sidebar changes. How to fix this?

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• Java Swing for emulation

  - by Zachary

  I am planning to create a GUI for an emulation process using Java Swing. I would like to kindly ask if anyone could provide me some basic information about the technologies that I may need for the development of Java applications which handle emulation processes.

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• only one swing frame window opened at time

  - by chetan

  I developed one swing application but each time you run application new window is opened. I want that if one window is already opened other not allow to open.

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• How to get Java swing appliacation accept system DPI settings

  - by drasto

  Is there a way to set DPI in swing ? For the whole application ? And if there is how do I set it to the value of system DPI ? I guess there must be a way to do it as I mentioned this feature must have benn added to NetBeans in some of latest versions... Thanks

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• Task Manager Like App using Java Swing

  - by buddhika

  I want to how know how to set about writing a monitoring app such as Windows task manager using Java Swing. The main feature I am concerned with is the grid with a graph which get drawn with time. What are the features that I need to accomplish this? (e.g.: Java2D etc).

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• How to close a java swing application from the code

  - by hstoerr

  What is the proper way to terminate a Swing application from the code, and what are the pitfalls? I'd tried to close my application automatically after a timer fires. But just calling dispose() on the JFrame didn't do the trick - the window vanished but the application did not terminate. However when closing the window with the close button, the application does terminate. What should I do?

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• Java: Swing --> Maximize window

  - by Casey

  I'm putting together a quick and dirty animation using swing (hehehe). I would like the window to be maximized. How can I do that? Thanks in advance :)

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• Creating an invisible button in Java Swing

  - by AniDev

  Hello, I have seen many times on Java Swing GUIs buttons that look like images until the mouse rolls over them. They appear to not have their content area filled. When the mouse rolls over them, the content area fills in but the button looks as though the mouse is not hovering over it. An example of this would be the toolbar of buttons used to activate each demo in SwingSet2. How is this effect possible? Thanks!

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• Log4J Swing Appender

  - by Nate

  I need to append log4j content to a Swing component (JTextArea or similar). Is there a common way to do this?

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• How to draw 'biohazard' with swing

  - by mike_hornbeck

  I'm practicing my swing abilities for the upcoming test, and fried gave me idea to draw biohazard sign like this : I could draw the circles with Elipse2D, but then I somehow need to cut those 3 triangles. Any ideas how I can do that ?

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• Automatically connect to a DB in a swing application

  - by Oussama

  Hello, I m working on a single user swing application that access an hsqldb database. How can i Automatically run the DB server when a user run the application.? for example, after i finish development i will put the application into an exe file. If the exe file is distributed to multiple users. How can the DB server run and the DB be created when the user run the exe file? Thanks

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• Swing UI does not have native OS look

  - by Virat Kadaru

  I am building an application in java swing and I am using the following code to give the UI a native OS look try { UIManager.setLookAndFeel( UIManager.getSystemLookAndFeelClassName()); } catch (Exception e) { e.printStackTrace(); } On a OS X, the look is fine, but on windows (XP and 7) the buttons look like this. I have used this exact same code on other projects and it works fine. But in this particular project I get a completely different look. Thanks in advance!

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• Swing on OSX: How to Trap command-Q?

  - by yar

  After being convinced ("schooled") that Swing apps on Mac do look native, I'm trying to make mine look as native as possible. Everything looks great, but when I hit command-Q or do it from the menu, my windowStateChanged(WindowEvent e) is not firing on my main JFrame (if I exit in any other way, it does fire). How can I respond to the real Apple quit?

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• information need to display below in Form using Swing

  - by vamshikpd

  Hi All, I am using SunJavaStudio Enterprise 8 , using swing framework I created form,In form I added Jlable,JFormattedTextfield,Jpanle1,Jpanel2 and Jpanel3 in order wise.I am using GridBag layout.Above order displayed in form first line onwards, I want , In Form ,above will some gap and middle layer display the added fields . how to arrange the Form? Please help me,its urgent

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• Java Swing: JTextArea columns question

  - by battousai622

  How do i put the text in specific columns with jTextArea? private javax.swing.JTextArea jTextArea1; jTextArea1.setColumns(4); jTextArea1.insert(price, 0); //column 1 jTextArea1.insert(cost, 0); //column 2 jTextArea1.insert(quantity, 0); //column ect.. jTextArea1.insert(itemName, 0); jTextArea1.insert("\n", 0);

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• Cancel changes in a Java Swing Input window

  - by Tony

  I am new to Java Swing and I am creating a window which displays a list of items retrieved from an XML file that can be manipulated by the user. The window should have a Cancel and a Save functionality implemented with buttons. While the Save functionality is straightforward (just close the window) I don't know how to implement the Cancel functionality. Does exist an "undo" function? Does anyone know how?

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• Internet audio player from java swing client ?

  - by user286517

  Im trying to implement and realtime audio streaming swing desktop app . trying to get bytes of audio using java.net classes and then feeding it to play . Just trying blind punches undersea water thinking the water tank will crack :(( help or any suggestion ?

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• only one swing frame window opened at ti,e

  - by chetan

  I developed one swing application but each time you run application new window is opened. I want that if one window is already opened other not allow to open.

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• encrypt jar executable internally in java swing application

  - by SamSol

  How to encrypt jar executable internally made in java swing application? [It must be executable without decrypting it.]

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• Java Swing - good idea?

  - by Mike

  hi, simple question : I need to write cross platform application (basically CRUD). Is usage of Java Swing good idea? Or is it out-dated and you know better solution? I dont want to use like 5 languages for various stuff, one or two should be enough. Thanx!

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• Java Swing automatically gather data from forms

  - by RhigoHR

  I have a form in Swing with a lot of textfields receiving data. The idea is when a button is clicked, the app gathers all the data from the textfields at once. Do you know a good practice for this? Or is it necessary to gather the data textfield by textfield?

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• how to change time format in swing

  - by vamshikpd

  Hi all, I am using swing framework and applets. If I take locale as 'en_US',the time shows in AM and PM. If I take Locale as 'ms_MY',the time shows in Pagi and patang. I want, If I take locale as 'ms_MY',the time shows in AM and PM. How to solve the time format. please help me

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• Change the look of Swing.

  - by Knowing me knowing you

  Is there a way to change the standard look of Swing components? Those default, look just pathetic and hopelesly unattractive. Thanks.

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• Changing layouts in SWING

  - by dan

  I have written a program with flow layout, in Java, using Swing Framework. How do I change it to use group layout?

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• Java Swing: Expanding TreeNode

  - by sarav

  Is there any way to get a reference to the JTree component from a DefaultMutableTreeNode? All I need is to expand the given treenode and its child nodes. I am planning to use the JTree.expandPath() but I only have the reference to the treenode. I'm new to Swing and any suggestions to achieve this are welcome.

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