Swing/AWT/SWT :: Background Color Of JTabbedPane Is Light Blue?
Feb 18, 2014
No matter what I did, and searching for every piece of setBackground, The background color of the JTabbedPane is light blue.
public final class MainFrame extends javax.swing.JFrame implements Runnable, WindowListener,
WindowFocusListener,
WindowStateListener {
Container mainPanel;
JPanel bluePanel = new JPanel();
CloseButtonTabbedPane tabbedPane;
[Code] ....
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Apr 6, 2014
When I click a JButton, it will become blue momentarily. Is it possible to change the blue color? If yes, how?
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May 3, 2014
Program is not working. I want to use buttonPanel object in ColorAction class and the process is unknown to me .
package button;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ButtonFrame extends JFrame
{
public JPanel buttonPanel;
[Code]...
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Feb 11, 2015
I have added a background image to this JFrame (see image attached) as I want the buttons and field to just be on top of the image, how to remove the colored part of the JFrame that is left?
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Jul 17, 2014
I'm displaying a table with several read-only pieces of data, and a checkbox field that toggles the row color. The background color for the checkbox is not toggling correctly. I put together a SSCCE:
import java.awt.Color;
import java.awt.Component;
import java.util.ArrayList;
import java.util.List;
[code]....
If I comment out the Nimbus look and feel, it works as expected. I googled this problem and found one possible solution on Stack Overflow. Their suggestion is:It's a bug in the synth-installed renderer, quick hack is to force the rendering checkbox opacity to true: ((JComponent) table. get Default Renderer(Boolean.class)).setOpaque(true);
I tried using this line and setting the opacity to true, but it renders the background white. I'm using Java 1.7.0_25.
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Jun 10, 2014
No problem setting background color for layouts, e.g. bdrPn.setBackground(new Background((new BackgroundFill(Color.BLACK, CornerRadii.EMPTY, Insets.EMPTY))));
But neither of the following are working for me, running JavaFX 8 on latest OS-X
scene = new Scene(bdrPn, winW, winH, Color.BLACK);
scene.setFill(Color.BLACK);
scene.setFill() worked fine for previous versions of JavaFX.
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Oct 20, 2014
I've just started working on a program and i'm already having difficulties with the program. I can't get the background color to change from the basic gray color. Maybe you can tell me what i'm doing wrong.
import javax.swing.JFrame;
import javax.swing.WindowConstants;
import java.awt.*;
import java.lang.Object;
import java.awt.Color;
public class FrameDemo{
public static void main(String args[]){
Toolkit toolkit = Toolkit.getDefaultToolkit ();
[Code]...
also if theres any way to shorten up what I have there, that would be great.
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Nov 27, 2014
I have a TrafficLightsManager Thread class that create one new CarTrafficLight object, and manage him by synchronized semaphore.
Unfortunetly the line sleep(5000); after the traffic1.WaitToRed(); never happenned, and the class jumps very quickly over the Red State.
I added the Message "!!!" before moving out from the Red State to the orange to check if the red exists at all and the result was positive - the red status entered and then I got the "!!!" message,but at the second that I accepting the message the red state turns into the orange state......
I don't get it!!!
package MyTzomet;
import java.awt.Point;
import javax.swing.JOptionPane;
public class TrafficLightsManager extends Thread {
CarTrafficLight traffic1;
ViewFrame frm;
[Code] .....
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Apr 9, 2014
the program runs fine with exception of color background change.. dont laugh at code.
package chapter7;
import java.awt.*;
import java.awt.event.*;
[Code].....
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Apr 29, 2015
I'm writing a java program with opengl and I'm trying to get it where the user would select something like lighting on in a JMenu and then it would turn the lighting on in the house/barn... I have a method called LightOn that I put gl.glEnable(gl.GL_LIGHT0); but it just doesn't seem to turn on when I call it from the action performed... Is there something I'm missing from my code that I'm supposed to use instead since I have tried it with a boolean.. So the boolean starts off as false and when the JMenuItem is clicked the actionPerformed will turn the boolean to true and call the method LightOn. In the display method I have what the light is supposed to be
Snippet of code in display method for lighting:
float [] whiteLight = {1.0f, 1.0f, 1.0f, 1.0f};
float [] ambientLight = {0.1f, 0.1f, 0.1f, 1.0f}; //default
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, whiteLight,0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_SPECULAR, whiteLight,0);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, ambientLight,0);
float [] lightPosition = {25, 25, 25, 1};
[Code] ....
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Oct 23, 2014
I have a Jpanel with JButtons on the panel is it possible to change the background color of the pannel but leave the JButtons thr default color
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Mar 30, 2014
I'm using eclipse to run my java program.
I want to be able to change the background color of the console when the user types in a particular command..
e.g User types: color blue
Then the background color of the console should turn blue
Is this possible and how would I go about doing it?
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Oct 21, 2014
I've just started working on a program and I'm already having difficulties with the program. I can't get the background color to change from the basic gray color.
Java Code:
import javax.swing.JFrame;
import javax.swing.WindowConstants;
import java.awt.*;
import java.lang.Object;
import java.awt.Color;
public class FrameDemo{
[Code] .....
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Nov 23, 2014
I am trying to go about making this applet a bit different then normal. The issue I am having is it is drawing an applet but, not the right dimensions, it's able to be resized, lastly the background color is not being set. I mean, I suppose I could call paint() and just draw it out but, I read that I could make the applet pop out to the dimensions I would like. None of this is working sadly.
package com.powder.game;
import javax.swing.*;
import java.applet.*;
import java.awt.*;
import java.util.*;
import java.io.IOException;
import java.lang.Math;
[code]...
my exact question is can I rewrite the applet to make a pop out window and should I just call paint()?
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Jul 6, 2014
how can we set the background colour of jframe in java
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Sep 28, 2013
In NetBeans IDE >> Palette Window >> JFrame properties, I set the background color to (for example) blue but when I run with F6 key, the appearing window is always at gray color. Why?
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Aug 21, 2014
I have been trying to learn how to use the TabbedPane GUI. I can get the tabs to show up, but the buttons I have placed in each tab do not show up. Why this is not working. I assume that, for some reason, the buttons are not linking with their respective panels, or the panels are not linking to the respective tabs.
import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
[Code] ....
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Jun 21, 2015
when i set a certain menuitem background color, the highlight is losed. What should i do?
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Mar 11, 2014
Consider this simplistic scenario,
tabbedPane.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
}
});
How do I trigger this listener, say when I return from a JDialog, I can't make this listener to swing into action even I tabbedPane.revalidate();
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Mar 16, 2014
I think, is of concern to a large Swing-JTabbedPane users and which does not appear in the Sun-Oracle tutorial [URL]
How to add functionality to the hidden 'Action Listener' of JTabbedPane to obtain the two following functionalities, when passing from Tab_Panel_1 to Tab_Panel_2 ?
- To call a home made function as very last task when the 'tab selection change' is triggered and just before control and visibility are leaving Tab_Panel_1.
For example : Calculations and table fillings need to be operated. One assume that the fact of leaving Tab_Panel_1 (by clicking another 'tabPanel') means that the input data in Tab_Panel_1 are completely introduced and that calculations and/or table fillings may occur (to be used by other 'Tab_Panel's).
- At the moment of entering Tab_Panel_21 or Tab_Panel_22, the very first task is to use the previous calculation results and/or table fillings as input parameter of methods own to Tab_Panel_21 and Tab_Panel_22.
For example, these data are further processed and used to feed a graph, different for Tab_Panel_21 and Tab_Panel_22.
tabbedPane.addChangeListener(new ChangeListener()?
SwingWorker?
SelectionChanged?
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Feb 9, 2015
On a web application i can take a pdf cut it and convert it to html. As a result of this is that i can have my own design(Background) on HTML and then use it on jsp.
Is there a way to do this also in swing ? take a pdf and convert it to jframe or something similar so that i can have my own frame design (Background)?
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Feb 2, 2015
I am writing a simple program to simulate a traffic light. What I want is to make them glow after each 1 second, one by one. For example: Firstly Red, then after 10 seconds, red will be put to off and yellow will start glowing and then accordingly green. This process shall continue incessantly (Just for experimental purpose). I have some arrangement done but could not figure out how to put them together in run() method of Runnable interface. I know how interthread communication works. But could not find any logic in this case when three threads will run together.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class TrafficLight extends JFrame implements Runnable
{
JButton red, green, yellow ;
TrafficLight()
[Code] .....
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Mar 6, 2014
so i'm supposed to create a jframe with only 1 button. each time you push the button it is supposed to go from red to green to blue to gray and back to red starting over. i can get is the background to change on the first click, then the button is useless for eternity. here is my code:
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Exercise2_59 extends JFrame implements ActionListener
{
JButton change;
[code].....
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Mar 27, 2014
I'm working on loading SVG images on Jpanel using "Apache(tm) Batik SVG Toolkit" , but after the image get loaded it has "white background" and "not transparent" one like PNG images.
I checked "fill" of rect attribute on the xml file of the svg image and it was correctly set to none, I also Tested the image on html document and it was trasparent, but in my java app it has white background.
The Question is there any way to load SVG images with transparent background on Jpanel ?
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Jan 29, 2015
Color only changes, when resizng frame with mouse, not when clicking.
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class SimpleGui1 implements ActionListener {
JFrame frame;
MyDrawnPanel drawnPanel;
[Code] .....
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Apr 16, 2014
Can we cance/stop a long running database query execution instantly so that we can do any another task.
As i know swing uses a single thread i,e Event Dispatch Thread (EDT), But at the same time we can use Swingworker class for better use of UI. When we use Swingworker class the process goes to a different thread and our basic UI is not Frozen. Infact we can do another task. But what I want is I want to stop of cancel the execution of swingworker thread ( Because I that thread takes long time to execute). How can I do that??
I used ProgressMonitor and in the cancel option i canceled the task ( worker.cancel(true) also i closed the connection and statement for executing the database query using stmt.close() and conn.close() methods.
But it does not work. How to cancel a long running database background process in a Java Swing Program.
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