I have a calculator application in java swing, which is working properly with mouse click input. Now I want it to read input using keyboard button stroke. I had heard about the glass pane in java tutorial, but i need to know any other simple method to meet the requirement.
KeyPadPanel is an example that uses Action and Key Bindings for numeric entry.
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I'm writing a game based on terminal and I want capture keyboard event, such as w/a/s/d as direction of Up/Left/Below/Right, rather then readLine a input stream with a Enter key.
Besides, I have read swing package, it has some KeyListener interface but it seems must bind with swing UI.
Does there have pure keyboard event without other technology binding in java world?
I made a simple JFrame with Swing. I want to know how I would go about making a non-visible input that would open up another JFrame I have in another class. (Like cheat codes in video games, you enter a combination and something happens.) I am not sure how to capture the user input without a text field.
You should use keybinding attached to your JFrame. You would want to store keystrokes as a String internally and after each keystroke, see whether the user has entered a recognizable cheat code or just listen for a return keypress as a delimiter for the code.
Keep in mind that if a component within that JFrame has focus and also implements the same key bindings, then that component will take precedence over the JFrame, effectively intercepting the keystrokes.
I have a calculator application in java swing, which is working properly with mouse click input. Now I want it to read input using keyboard button stroke. I had heard about the glass pane in java tutorial, but i need to know any other simple method to meet the requirement.
KeyPadPanel is an example that uses Action and Key Bindings for numeric entry.
I created a text-based game similar to Zork and I need a gui to run it outside of Eclipse. I want to run it as a jar. (by the way I'm on a mac if that changes anything). I only need an output field and an input field. What would be the easiest way to achieve this?
And how much of my code would I need to change? (I used System.out.print for output and a Scanner for input)
If you want to crate GUI like console the simple way to do it is to add textarea component to your frame or or panel that has scroll bars through the viewport. Create a stream that feeds the component with text. Then simply redirect standard output to that stream. Finish. Start your GUI and enjoy the console.
If you don't want to run this on a terminal, you should probably use Swing with a JTextArea in which you append all the messages to the user, and a simple JTextField for the user to enter his commands.
Here's a quick example of JTextArea so you get an idea. You'll need to read more about events on Swing to make things like reacting to the user pressing the ENTER key to read the contents of the text field and run the game logic.
Note that the screenshot on the example above uses the "Metal" look and feel, but it should look much closer to a native application on the Mac.
I am creating a chat application using JApplet. I have a TextArea where all chat messages go. Everything in working fine and smooth just as you would expect a basic chat application to do. Now i want to add support for gestures. I wanted to know, how can we show an icon in TextArea? it only takes string in append() method.
You should probably be looking at JTextPane instead of JTextArea.
Have a look at this tutorial which among other things, gives this demo: