Java Core GUI APIs

• Java Core GUI APIs Questions

• • JOptionPane.showMessageDialog with SwingUtilities....

    VisionSet wrote:> Because> SwingUtilities.invokeLater(annoyer);> schedules your thread to b...

    By jan_wagner

  • Problems with JComboBox.

    I have JPanel with some contorls and jgoodies layout. When I resize window only border resizes. It i...

    By viktorsa

  • an applet that increases font size in a label by c...

    can somebody help me with this code please? This is an applet that is supposed to set the font size ...

    By johnnycanoea

  • " Does anybody know how I can Drag an icon/obj...

    rakesh wrote:> Hi...> " Does anybody know how I can Drag an icon/object (which is an exe.> ...

    By roland_de_ruiter

  • JComboBox.setSelectedItem() doesnt update selected...

    Thanks for your comments, Roedy.> The way it is, you can't tell if you problem is with JComb...

    By piet71

• • JFrame Contents not being shown

    I have 2 Jbuttons, a JLabel containing text and a Canvas but even when the window starts off as maxi...

    By nealbo101a, 2 Comments

  • Help Anyone can help me out?

    Case:I have a notepad file named Score.txt with all the scores. I have designed a GUI. When i clicke...

    By pinkjewelsa, 2 Comments

  • need help on IO Streams and TextArea.

    I am stuck... with my codes. I want to open any text file transfer the content of the file into the"...

    By yhsiaua, 4 Comments

  • Applet loading problem, it shows another message b...

    Hi Friends,I have tried to make an applet which is showing the messages related to a user if the mes...

    By prateek_upadhyaya, 1 Comments

  • how to detect the appletcommand key?

    which is the apple command key for paste?i know it's apple + vor command + v they call it too...my p...

    By creative3a, 2 Comments

• Java Core GUI APIs: is the Category's subject.It's has 41,867 questions,this is No.2,094 pages.
• problem with applet, popup window and focus loss
• Hi all !I've got a problem when my applet lose the focus. Let me explain :I've got an applet embed in a jsp page. There are several buttons in it that allow the user to open modal windows. The problem comes when the user gives the focus to another application whithout closing the modal window ...
• mille_furiesa, Thurs, 18 Mar 2010 20:41:00 GMT, 654 bytes, 8 Answer
• Why are there so many squares?
• I'm trying to display messages in the JTextArea. The messages come from another program and all contain '\n'. Look at this:int i = result.lastIndexOf('\n');if(i != -1) //result is the message.{String s = result.substring(0, i);return s;}Then I display s in the JTextArea. But in every line, ...
• salxa, Thurs, 18 Mar 2010 19:55:00 GMT, 510 bytes, 5 Answer
• JTable set single row color
• I have alternating colors for my jtable, and when a row is selected i pop up another window and clear the selection.i want to change the color of all selected rows, but if i dont clear the selection, it doesn't allow me to re-open the same record because of the way the selectionListener works. ...
• micro_sun_ea, Thurs, 18 Mar 2010 19:47:00 GMT, 414 bytes, 3 Answer
• Peered Component Display Order
• I am trying to figure out peer'd components, such as Panel and Canvas. I have created a Frame and set the background to yellow. I then create my own implementation of a Floating Frame (inner frame) which extends Container and overrides all of the painting methods (except repaint) to manually ...
• wcrisman, Thurs, 18 Mar 2010 06:47:00 GMT, 926 bytes, 1 Answer
• Threading problem
• I'm trying to synchronize on a JTree object but it is not sending the notification to the waiting thread or so I think. Here is the code in abstractionpublic class myclass {JTree myobj; public void myclass(int t) {//construction myobjsynchronized(myobj) {myobj.notifyAll(); } public ...
• murthy64a, Wed, 17 Mar 2010 22:18:00 GMT, 557 bytes, 10 Answer
• Running applet locally
• Dear all;I've spent a lot of time researching, but couldn't find what I exectly needed.I work on intranet web app. As a part of it I implemented an "auto save" applet, ieit saves from browser's text area into a local file. I modified .java.policy file to allow appletto write to a specific ...
• damjan_majstorovic, Wed, 17 Mar 2010 20:28:00 GMT, 784 bytes, 1 Answer
• Regarding JCombobox background color
• hi,I have an application that contains combo box. When focus is upon the combo box, the background color should be changed to green. Even the drop down should have the background color.I used setBackground(color.green). combobox gets the background color, but the drop down box doesnt get the ...
• deeparaghuramana, Wed, 17 Mar 2010 19:53:00 GMT, 395 bytes, 2 Answer
• Problem with default table model
• Hello,i would like to have a jtable with strings in one column and checkboxes/boolean values in the other column. Therefore i extended abstracttablemodel and everything works fine except that i can't change to state of the checkboxes even though they are set to editable. Here's the code in ...
• abenstexa, Wed, 17 Mar 2010 18:59:00 GMT, 4,402 bytes, 2 Answer
• Is there an easier why to populate a (bean?) from form fields
• Hello All,After designing a simple swing application I began to wonder if there is an easier way to get/set information that (from what I can tell) is stored in a bean.For example...We have a class (bean?): Clientpublic class Client {private String id;private String fname;public Client() ...
• redshifta, Wed, 17 Mar 2010 18:02:00 GMT, 3,609 bytes, 3 Answer
• extracting pixels
• int alpha = (pixel >> 24) & 0xff; int red= (pixel >> 16) & 0xff;int green = (pixel >> 8) & 0xff;int blue = (pixel) & 0xff;those 4 lines of code is what is commonly used to extract the sample values from a single integer pixel. however, im kinda fuzzy about how ...
• javabeanera, Wed, 17 Mar 2010 14:47:00 GMT, 419 bytes, 1 Answer
• under what condition "setViewPosition" may not work?
• Hello guys,I have a rather strange question about setViewPosition (inJScrollPane), it seems not working sometimes under certain conditions,but I can not find out the reason. My program is doing something like:There is a:OperateVisPanelDrawBoard jPanelDrawBoard = newOperateVisPanelDrawBoard();The...
• kaidi, Wed, 17 Mar 2010 14:40:00 GMT, 2,205 bytes, 3 Answer
• focus buttons and cpu time
• I am confused about the fact that when I run my swing program in netbeans on windows xp platform. The buttons have the ability to traverse the focus around using TAB key. But when I run the program in unix, the TAB key has no effect on the focus at all. I really want the TAB key to work ...
• ch_lia, Wed, 17 Mar 2010 14:38:00 GMT, 547 bytes
• Check for path in the JTextField
• I have a JTextField for the user to type in a name of a file - which he wants to create. How do I enforce the user to type in the entire path where he wants to create a file and not just type in the name of the file.thanks...
• seemamma, Wed, 17 Mar 2010 10:55:00 GMT, 243 bytes, 3 Answer
• TableModel and SwingWorker Thread
• Hi gurus !!! I've spent a lot of hours googling and looking for an answer to that problem:I know that all the operations associated to GUI components should be done in Swing dispatch Thread, BUT imagine you are populating a TableModel from within a SwingWorker class similar to this:final ...
• aleixmra, Wed, 17 Mar 2010 05:40:00 GMT, 1,709 bytes, 1 Answer
• can you help me in java
• while i searching about my problem i found this group and i hope tofind solution for this problem, so let me tell you about my problem:i want to show and print the numbers in arabic forms not in english,called indian or farisy numbers,i can show the arabic words,so how cani convert or replase en...
• hbb, Wed, 17 Mar 2010 04:25:00 GMT, 358 bytes, 4 Answer
• getAppletContext().showDocument problem
• I am using getAppletContext().showDocument(new URL(myURLString),"MYFRAME"); to display apage in the browser.In Netscape, this works fine.Unfortunately, in IE it doesn't. Any ideas on why it's not working and how to make it work?-vinod...
• vinodkumarda, Wed, 17 Mar 2010 02:44:00 GMT, 285 bytes, 1 Answer
• Row "headers" in JTable
• J2SE 5.0_05 on Windows Server 2003 SP1.What I want to do is something like a column header only it's a row headerthat is effectively a JTable column that is fixed in position on the left ofthe view and can't be reordered or gain focus.Is this possible? I've looked through the docu...
• wes_harrison, Wed, 17 Mar 2010 02:07:00 GMT, 554 bytes, 4 Answer
• How to Highlight minimised Applet window in taskbar
• I want to show my Applet window highlighted in taskbar (if its minimised) as and when a new message appears in the window...Take an example of chat window...... after writing al ine .. we minimise the chat window and when a message appears.. it gets highlighted in taskbar.... I want to do the ...
• prateek_upadhyaya, Wed, 17 Mar 2010 00:54:00 GMT, 362 bytes
• Application modality definition
• Hi,The J2SE desktop team is planning to implement newmodality modes in Mustang (the next major release). Wewant this new API to satisfy the needs of developers,so please help us by responding to this post.Most of the specification is clearly defined andreflects existing modality behaviors of ...
• denismo, Wed, 17 Mar 2010 00:54:00 GMT, 2,157 bytes, 2 Answer
• need help adding action listener
• I have designed the GUI interface but I can't get the ActionListener to work. Can someone help please?The requirement for this Applet is to simulate a telephone. Where the user selects a call type inserts coins and makes a call for the length of time the purchased. (Time does not have to be in ...
• timmaha, Tues, 16 Mar 2010 19:01:00 GMT, 8,794 bytes, 1 Answer
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