Java Swing GUI hour glass
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Java Swing GUI hour glass
There is a JTabbedPane In my Swing program.
When user clicks on a tab, the program takes a while to get the data and process the results, then shows the results in the selected tab.
JTabbedPane
How can I display a hour glass, or something of that effect so that user knows it's processing data? Not to click on the tab again before it finishes it job.
5 Answers
5
A JProgressBar (possibly in indetermiante mode) sounds right - put that on the tab until the data has been fetched. A well-designed UI shouldn't force the user to wait for long-running tasks to complete and instead allow them to do something else inbetween.
I'll try this, makes sense, so user will know how long to wait.
– Frank
Dec 21 '09 at 17:11
The simplest way is to just call setCursor on the appropriate component (probably the top-level window) with the appropriate Cursor.
component.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
And then set it back when you are done.
component.setCursor(Cursor.getDefaultCursor());
Great, it's simple and effective.
– Frank
Dec 21 '09 at 17:10
This helped a lot. Thank you.
– Radu Murzea
May 9 '13 at 19:20
setCursor(int) is deprecated. This is probably a bit cleaner:
setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
As the other answers mention, you can set a wait cursor, but you also mention preventing additional mouse clicks. You can use a glass pane to prevent clicks on components until the long operation is finished. In addition to the Sun tutorials on the glass pane, there is a nice example at http://www.java2s.com/Code/Java/Swing-JFC/DemonstrateuseofGlassPane.htm
I would as other mentioned
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To that end, I would hope that the long-running task is done in a separate thread.
– Powerlord
Dec 21 '09 at 16:24