Hi,
I have built a GUI with java swing on linux env.Within that there is a small rectangular area of green color. The problem is, any other linux window coming infront of that very rect. area , is changing its color.Evanif any other window is covering a part of it, is changing the color of that part of that very area.
Can someone pls help me out to figure out where the problem lies along with possible solution.
babai
5  1178 
Hi,
I have built a GUI with java swing on linux env.Within that there is a small rectangular area of green color. The problem is, any other linux window coming infront of that very rect. area , is changing its color.Evanif any other window is covering a part of it, is changing the color of that part of that very area.
Can someone pls help me out to figure out where the problem lies along with possible solution.
babai
What is that small rectangular area of green color? A JFrame?
Can we see the code you used?
What is that small rectangular area of green color? A JFrame?
Can we see the code you used?
NO, its a JPanel.
The code associated with that is quite big and scattered here and there.So , don't really know how to give it here.
JosAH 11,448
Recognized Expert MVP
NO, its a JPanel.
The code associated with that is quite big and scattered here and there.So , don't really know how to give it here.
Do you perform some sort of calculations in the paintComponent method of the
JPanel that changes a Color value?
kind regards,
Jos
Do you perform some sort of calculations in the paintComponent method of the
JPanel that changes a Color value?
kind regards,
Jos
In the paintComponent ( ) calculation are made only regarding the size of the area.
Actually, depending on a particular variable the color is determined and then only the paintComponent( ) is called.
JosAH 11,448
Recognized Expert MVP
In the paintComponent ( ) calculation are made only regarding the size of the area.
Actually, depending on a particular variable the color is determined and then only the paintComponent( ) is called.
Is that "depending on a particular variable the color is determined" calculation
performed in the "paint()" method?
Colors are not supposed to change "automagically" some piece of code is
responsible for the change. The behaviour you described seems to be performed
initiated from the AWT thread.
kind regards,
Jos
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