Key « Event « Java Swing Q&A





1. getting and handling the key presses in a J2ME GUI application    stackoverflow.com

i am quiet new to J2ME GUI programming (or developing with java in general), so this question might sound very basic to some of you. I am going to ask it ...

2. Swing On-Screen Keyboard    stackoverflow.com

I am working on a KIOSK System in Java on Windows XP. And need to do a on screen key board. I have no idea about it that how to do. ...

3. key events    stackoverflow.com

i m using the keyboard event on Robot Objects.... but each time i have to specify the keys individually....like Robot r=new Robot(); r.KeyPress(KeyEvent.VK_A); r.KeyPress(KeyEvent.VK_B); r.KeyPress(KeyEvent.VK_C); r.KeyPress(KeyEvent.VK_D); is there any technique to get/recognize eachand every keys....not by specifying ...

4. How to remap a keyboard key using Java Swing?    stackoverflow.com

how to remap a key in keyboard using java so that i could give new meaning to a key

5. Java/Swing+NetBeans 6.1. Keyboard event is not working    stackoverflow.com

I need to move a Label-control on the form. I have created a "Java Desktop Application" in NetBeans 6.1. I have added the following code: But the label is not moving. Why?

/*
 * DesktopApplication1View.java
 */

package ...

6. Key Events in Java - Beginner Help    stackoverflow.com

So I've been working on a simple program while learning Java that brings up a small rectangular screen that has a circle moving around on it. The background and circle also ...

7. Reading "alternative" keys with Java Swing    stackoverflow.com

Shortly: How can I read different keys like ESC, ENTER, CTRL, ALT using Swing?

8. Java Virtual Key board    stackoverflow.com

anyone can suggest me open source java virtual key board done in swing. Regards, Selva.

9. Remapping the Keyboard at a low level    stackoverflow.com

We are replacing a legacy C application originally written for MSDOS (yes, believe it or not!). This application uses a specially remapped keyboard which intercepts the DOS keyboard interrupt (remember that??!) ...





10. Trouble implementing Keyboard actions    stackoverflow.com

I don't get how do implement Keyboard actions at all. Mouse clicks, Buttons, Textfield, Textarea I get just fine, Keyboard is like the Chinese wall to me. I have something like this, and ...

11. Key Presses in Java Swing Problem    stackoverflow.com

I have made a calculator using Java Swing, and it's mostly done but I was wondering how you could make it work so that when you press a key from 0 ...

12. Media/fn keys in java    stackoverflow.com

I am currently developing a media application in java using the gstreamer bindings for java. All is going well except for one small issue regarding the keyboard, specifically the media keys ...

13. Using Keybinding to get keycode    stackoverflow.com

I have a function that display the buffered image. I want mouse listener and key listener to be implemented in JLabel which loads the image. Since JLabel cannot get focus i ...

14. key    coderanch.com

15. Underlining access key in AWT    coderanch.com

16. some problem about key-action?    coderanch.com





17. Keyboard typing wrong set of characters    coderanch.com

In a JTextField, when I type a character, I have a keyboard configuration QWERTY like (English setting), but the keyboard is configure to be an AZERTY (French setting). My Swing application is set to an English locale. I install the JRE on a Windows 2000 with the English keyboard setting but I change mykeyboard to a BE-French keyboard. After this, I ...

18. How to impose MouseClick effect on Key Events ??    coderanch.com

Hi all, Can anybody tell me how to impose the Mouse click event on using keyboard.. My requirement is to have the population effect (I meant the effect which we r having while clicking on the combobox using mouse) by using Keyboard , after focussing to the particular Combo box.But the important thing to note is combo box is inside a ...

20. Key event    coderanch.com

21. Key disableing from our Application    coderanch.com

Hi All, I have a application which is developed usng JEC Swing There is a Frame which is opened with Login Oprion. i want to disable all the Keys other then some Char & Numaric) when this frame is opened. Example: When i boot the system i will open My Applcation after that user should able to open any applications fromn ...

22. GUI KeyEvent    coderanch.com

23. Problems with Swing and Swiss keyboard    coderanch.com

24. KeyEvent array?    coderanch.com

public class InvalidCharListener extends KeyAdapter { private KeyEvent[] event; public InvalidCharListener(KeyEvent[] ke) { event = ke; } public void keyTyped(KeyEvent e) { char c = e.getKeyChar(); // If keyChar is not a number, or not an allowed key event,don't allow entry. for(int j = 0; j < event.length; j++ ) { if(!((Character.isDigit(c) || c == event[j]))) { java.awt.Toolkit.getDefaultToolkit().beep(); e.consume(); } } ...

25. KeyEvent    coderanch.com

26. keyboard events    coderanch.com

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Keypress extends JApplet implements KeyListener { private Container pane; private JTextField showkey; public void init(){ requestFocus(); showkey=new JTextField("Press a key"); pane=getContentPane(); pane.add(showkey); pane.setBackground(Color.white); pane.addKeyListener(this); } public void keyPressed(KeyEvent e){ String x=e.getKeyText(); System.out.print(x); } public void keyTyped(KeyEvent e){ char key=e.getKeyChar(); System.out.print(key); } public void keyReleased(KeyEvent e){ } }

27. Key event    coderanch.com

28. Keyboard I/O    coderanch.com

There's no way to open a console in raw mode, so you can't do this at the command line. It's unfortunate, but true. KeyListeners are a GUI thing. You can add them to basically any GUI component, and then when that component has the focus, pressing the key will send an event to your listener.

29. UI Defaults keys    coderanch.com

30. F1 key for Help    coderanch.com

I want to use the F1 key for the implementation of help. Help has to be fired whenever the F1 key is pressed, no matter where the focus is. I could use inputmaps and actionmaps for this matter, only I use the MVC model, where I use one controller for all the functions of the application. This controller is an actionlistener, ...

31. KeyEvent Virtual Keys    coderanch.com

32. keys in a swing-application    coderanch.com

I have a Panel on witch I drawed a oval. I want to change the position of the oval in the Panel. My goal is to do this with the arrow-keys. My problem is that I don`t now how to listen the event from this keys. So if you understand now what's my goal pleace give me a answer for my ...

34. How to combine a set of keys function    coderanch.com

import java.awt.*; import java.awt.event.*; import javax.swing.*; class Testing extends JFrame { public Testing() { setLocation(400,100); setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel jp = new JPanel(); JTextField tf = new JTextField("Press F8",10); jp.add(tf); getContentPane().add(jp); pack(); KeyboardFocusManager.getCurrentKeyboardFocusManager() .addKeyEventDispatcher(new KeyEventDispatcher(){ public boolean dispatchKeyEvent(KeyEvent e){ if(e.getID() == KeyEvent.KEY_PRESSED) { if(e.getKeyCode() == KeyEvent.VK_F8 ) upAndRightKeysAction(); } return false;}}); } public void upAndRightKeysAction() { JOptionPane.showMessageDialog(this,"doing something..."); } public static void main ...

36. key conflicts    coderanch.com

Hello Ernest, thanks again for your help. If you remember I'm trying my hand at game programing and I'm trying my own version of Pong. My code doesn't let me control both paddles at once using the keyboard, im considering trying to use 1 mouse and 1 keyboard. Let me show you the code import java.awt.*; import javax.swing.*; import java.awt.event.*; //a ...

37. About KeyEvent    coderanch.com

Actually recently I saw an article on Use the Robot Class for Automatic Keyboard and Mouse Control In that article they have taken only 1 button on the screen and when they were coding like this. robot.mousePress(InputEvent.BUTTON1_MASK); //This delay keeps the button pressed for 2 seconds robot.delay(2000); robot.mouseRelease(InputEvent.BUTTON1_MASK); Now as the same code given above we can also handle window events.. ...

38. key update    coderanch.com

I want to make a pong game. However when I moved the paddles with the key board I only get a smooth movement and the key had been down for say 0.5 seconds. Similar to the way in a word document if you hold a key, the program waits for a short time before a running sequence of letters get printed: ...

39. Key events, Fedora Core 6, and German keyboards    coderanch.com

All, I've run into something of a puzzle. I'm trying to capture key events in Java, with the Fedora Core 6 operating system. The system is currently set to a typical U.S. English setup, and I'm trying to change things to German. Also, I'm using Sun's JRE, both 1.4.2_13 and 1.5.0_11. A colleage and I were trying to see what could ...

40. Key event problem    coderanch.com

41. Problem using key event    coderanch.com

42. Regarding Action and KeyEvents    coderanch.com

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class ActionAndKey implements ActionListener { public void actionPerformed(ActionEvent e) { System.out.println("ActionEvent"); } private JPanel getContent() { JButton button = new JButton("button"); button.addActionListener(this); button.addKeyListener(kl); JPanel panel = new JPanel(new GridBagLayout()); panel.add(button, new GridBagConstraints()); return panel; } public static void main(String[] args) { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.add(new ActionAndKey().getContent()); f.setSize(100,75); f.setLocationRelativeTo(null); f.setVisible(true); } private ...

43. KeyEvent Problem    coderanch.com

Hi everybody, im doing a simple animation and it's bound to display a series of images when the arrow keys on the NUM pad are pressed. There shouln't be any problem abou this, but arrarently I don't even get the KeyEvents I hoped to process with my KeyAdapter: package polardiagramanimation; import java.awt.Color; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Image; import java.awt.Toolkit; import ...

44. Keyboard events without GUI    coderanch.com

45. KeyEvents    coderanch.com

Hey folks, I'm trying to create a simple GUI based app and I'd like to be able to have key functionality. I've tried messing around with it a bit, but I'm an ameature with EventHandlers and KeyListeners are brand spankin' new. Could someone give me an example of how to use a keylistener? I know some important things are.. setMnemonic, (though ...

46. On Screen Key Board    coderanch.com

48. Confused about keyboard in Swing    coderanch.com

49. Keyevent is not working properly.    coderanch.com

Hello all, I am restricting user to enter any other character to TextField. I am also restricting user to enter more than 15 character in firstName and lastName field. My code is workng for all other character other than alphabets. But, it's not working for Shift, Alt, Backspace, and Capslock key. It's counting keystrok++ rather than keystroke --. Please check my ...

50. Java virtual keyboard    coderanch.com

Hi, I am working on Java application in Windows 7. Application should support touch screen and on screen key board. And need to do a on screen key board. I have no idea about it that how to do. So can you guys please help me out to do this. Any one have some idea about it. Thanks

51. Brainbox needed -- KeyEvent VK_* constants stable??!    java-forums.org

I'm newish to Java and I've found myself totally flummoxed by something in the documentation that I don't see how can physically make sense, besides the fact that if it did it wouldn't be sensible. I'd really appreciate insight from more knowledgeable folks. My gripe is with the java.awt.event.KeyEvent api. It defines lots of virtual key code constants for use with ...

52. Question about java keyevents?    java-forums.org

53. Help in KeyEvent    java-forums.org

I have tried searching on google about my problem, yet I can find the right logic (understand) for me the code my key combination ([Left]Control + [Left]Shift + A) I have a thread in this forum on this thread but I am still confused about it. So, if there is a possible. Upon the codes given to be by google, how ...

54. Help with on screen keyboard Capslock    java-forums.org

i have been making an on screen keyboard for my intro to JAVA class. the keyboard is very basic but, no matter what method i try i cannot get the toggle caps-lock button to work. in the l.getSource() area for the bottom row(third loop) the 10th button in the array(9th by index) is the caps lock button, but no matter where ...

55. KeyEventListener without Alt key    java-forums.org

Hey it dosent seems of any use for me or you can say i am not so familiar to use it. Actually the problem is i have many buttons in my window and usualy key binding is used for all the buttons or other top components when THEY ARE FOCUSED. But i have to use keyboard buttons as shortcut for ACTION ...

56. GUI ..keyboard..    forums.oracle.com

57. Help. Key Event. Gui.    forums.oracle.com

and one more thing, if i press a key, how do i move the cursor or set focus to the next component? oh woops i misunderstood that question. for that, you are looking for "focus traversal" which is covered at that link i gave you. what pointers do you need for netbeans 5?

58. Key Events- GUI    forums.oracle.com

59. Keyboard GUI    forums.oracle.com

Does anyone have any suggestions as to how I could go about making a keyboard gui. I'm new to Java and wanted to make a gui keyboard where i could use a touch screen to press on the letters and the letters would be sent to other programs just like a regular keyboard.