Everytime I open a JFrame from my main JFrame It appears in front of my main JFrame. I know how to open it in different positions of the screen but that doesn't solve the problem.
I have no idea how to open it behind the main JFrame.
Any help would be appreciated.
You can use toBack() method after setVisible(true) method to open New JFrame behind the main JFrame.
Example code:
newFrame.setVisible(true);
newFrame.toBack();
Related
I've searched and could not find the answer I need to do the following: I have two java files: one JFrame, one JPanel. I configured a button in the JFrame to open up the JPanel from within the main frame with a new size of 800,800. Now, I want to close the JPanel and go back to the original JFrame (the one that originally was at size 500,500 with an image). It seems simply straightforward, but I've created an instance of the main frame from within the JPanel and set the jPanel to (this.setVisible(false)). I created a new jFrame object and set its visibility to true. What happens is, a new instance of the JFrame appears alright, but the JFrame at 800,800 with no image still appears as well. I've tried several configurations of getContentPane(), setContentPane() and even tried passing a JFrame parameter to the constructor of the JPanel. I'm not sure where I am going wrong with this, but any help would be much appreciated. All I want is the original JFrame with the original size and image displayed. Thank you in advance.
private void jButton_closeActionPerformed(java.awt.event.ActionEvent evt) {
this.setVisible(false);
mainMenuFrame = new MainMenuFrame();
mainMenuFrame.setVisible(true);
invalidate(); validate();
repaint();
}
you could open and close the jpanel from within your JFrame. the button would be also added to the jframe instead of the jpanel. for easier accessing use the jpanel as member variable
I not able to getting the proper JinternalFrame. In my application in main JFrame I have one disktopPane that contains GridLayout.
When I call JInternalFrame by click on button I am getting that internalFrame, but that fix to a particular Grid box only, and I am not able to maximize the InternalFrame.
How can I solve the probleam?
below is my GUI:
I am doing Code through NetBeans.
How Can I fix this issue ?
Don't use a jdesktoppane. Use a normal JFrame with a JPanel with your components and the gridbaglayout.
For the windows floating above the main JFrame use new JFrame's with setAlwaysOnTop(true) and make sure they have your main JFrame as root.
I have a main class in java which call a JFrame Two.
But before call this JFrame Two, my main check a condition and if it's true, it call a JFrame One.
So, my main don't extends JFrame.
I want that my JFrame One stop my main until it been closed, then my main could call my JFrame Two.
I tried to make my JFrame One as a JDialog modal, but my main still running (probably because it isn't a JFrame ?)
Here a simplified part of my code :
File file = new File(PTA);
if (!file.exists()) {
FrameOne fo = new FrameOne(); //FrameOne Extends JFrame
}
FrameTwo ft = new FrameTwo();
So like you can see, my main will always call FrameTwo.
But i want that until FrameOne was closed, the main class stop running, so it don't call FrameTwo until FrameOne was closed.
I don't really know how a JDialog works, i tried to convert my JFrameOne in a JDialog with "setModal(true)" but my main class still running too.
Please can you help me ? My project is blocked by this problem...
Thanks for your attention and your help.
Regards,
Maxime OZENNE.
i tried to convert my JFrameOne in a JDialog with "setModal(true)" but my main class still running too.
It doesn't work that way, you and you can't make a JFrame modal this way (the JFrame doesn't even have this method). Instead you're going to have to use a JDialog and not a JFrame, and create the dialog so that it's modal. Myself I avoid creating classes that extend JFrame or the like and instead gear my code towards creating JPanels, which can then be placed into JFrames or JDialogs, or JTabbedPanes, or swapped via CardLayouts, wherever needed. This will greatly increase the flexibility of your GUI coding.
So on that note, I'd do something on these lines:
MyPanel myPanel = new MyPanel();
// assuming that the parent window JFrame is referenced by "myFrame"
JDialog myDialog = new JDialog(myJFrame, "My Dialog", ModalityType.APPLICATION_MODAL);
myDialog.add(myPanel);
myDialog.pack();
myDialog.setVisible(true);
If this doesn't help, then please create and post your Minimal, Complete, and Verifiable example program, and let us help modify it.
I am creating a Java applet, and I am trying to add a JFrame to it. I am calling:
add(new MyJFrameSubclass());
But when I launch the application, my JFrame isn't shown until I resize the window.
This may be too elementary of a suggestion, but sticking in a validate() or repaint() can sometimes solve problems that seem complicated.
A simple fix is to add a frame.show(); after you add your JFrame, I had the same issue and this seemed to help, the frame being the name of your JFrame.
JFrame and JApplet are both top-level containers. Instead of trying to have both containers present at once, put your content in a lightweight container such as JPanel; then add that JPanel to either a JFrame (for local use) or a JApplet (for the browser). This example shows the approach.
Just need some quick guidance -
I have a main frame, and I want some smaller frames inside of it that can be dragged outside of the main frame (potentially onto multiple monitors). When dragged back in, they should not be hidden behind the main frame when the main frame is clicked on.
I'm unclear about what I should be using... JFrames? Frames? Windows???
I used two JFrames, but the lesser JFrame gets pushed behind the main JFrame when I click on it. Adding the lesser JFrame to the main JFrame's content pane gave horrible, nightmarish bugs. =)
Use JDialogs as the child windows and make sure you specify the JFrame as the owner of the dialog.