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Tag: jtextarea
How can I add a scroll bar to a text area?
Please, anyone, tell me how to add the scrollbar to a JTextArea. I tried out many things. but still not able to get it. I copied some codes related to the text area. Answer Oracle has a helpful tutorial, Creating a GUI With Swing. Skip the Netbeans section. As Andrew said, you have to place the JTextArea insi…
How to display data to a JtextArea in java with exact text alignment same from the txt file
When I append the data to the JTextArea in Java it does not copy the alignment. Answer There could be 2 problems at hand. If your original textfile is using Tabs instead of spaces to align its columns the way it does, you need to set the same tab size on your JTextArea component. See JavaDoc for setTabSize(in…
How can make a JTextArea?
I am trying to make a textArea for my input, but it broke my code. It does not draw the characters or grid any more, and all I see is a small button in the top right corner. Screenshot of output Here’s my code with the JTextArea: What can I do to make my code work with the JTextArea? I
JScrollPane doesn’t show up in JFrame
there. I’m writing a GUI chat client which sends message to the server and receives echoes from the server. The top half of the client JFrame contains a JTextArea wrapped in a JScrollPane which is placed under the menubar. This JScrollPane is responsible for receiving responses from the server which rec…
Is there anyway to get the size of the text in a JTextArea?
The title pretty much says it all. What I don’t mean is how to get the size of the JTextArea. I need to get the size of the actual text. I am completely open to suggestions though. If you have a wonky workaround that involves using something other than JTextArea but still has a similar effect, I’d…
Java GUI Calculator
My JTextArea does not display and no errors or problems shows up. It’s a Java GUI Calculator. Main class code: Calculator code: Any suggestions on improvements to the code? Answer You’re adding your JTextArea, text, to your screen JPanel, but you’re adding screen to nothing, and so it makes …
Set row height depend on JTextArea height
I have a problem and really don’t know how to solve it. I used some solutions from this forum but they don’t work. This is the piece of code: This is little bit long but rather simple: my table uses custom cell renderer which contains JTextArea. I use JTA because I need Strings wrapping. After put…
Getting JTextArea to display fixed-width font without antialiasing
Does anybody know how to get JTextArea to display a fixed size font on all platforms? I want to make a simple code editor with save/open functionality, which is simple enough, but I would like to get font to be fixed-size, preferably courier new. The problem is that courier new is proprietary apparently, and …
Java InputReader. Detect if file being read is binary?
I had posted a question in regards to this code. I found that JTextArea does not support the binary type data that is loaded. So my new question is how can I go about detecting the ‘bad’ file and canceling the file I/O and telling the user that they need to select a new file? Answer For those who …