I created a JFrame and in the top right corner I have 3 buttons (minimize, maximize, close). How do I get the size of these buttons? I want to place a new button just to the left of the minimize button in the title bar but I need to know how much space these existing buttons take up so that I don't place my button on top of them. ie If you open a recent version of the Chrome browser you'll see a button beside the minimize button in the browser window. I want to do the same sort of thing in my Java application.
What your describing is very advanced.
An alternative route would be to use:
setUndecorated(true);
Then create your own window decorations. This way everything matches and you can add all of the button that you want.
Related
I have a JDialog that contains a large number of options and it was all working fine, however I have changed it so that by default some options are non visible until the unless the user clicks on the Show Advanced button.
When they they do this the options are displayed but because the dialog is not tall enough since it was sized based on those options being hidden a vertical scrollbar is added.
I want the dialog to be sized so large enough for when the advanced options are enabled. I have attempted this by creating the dialog with the advanced option displayed, calling pack() to fit based on advanced options being visible
this.pack();
showAdvancedAction.actionPerformed(null);
and then afterwards calling method to make advanced options invisble.
But still when diplayed the dialog is only large enough for when the options are not shown so when click on Show Advanced the dialog adds scroll bar again.
How can I resolve this.
this.pack();
showAdvancedAction.actionPerformed(null);
You have the order reversed. You need to pack the frame AFTER the components have been made visible.
showAdvancedAction.actionPerformed(null);
this.pack();
In java swing you can add buttons or components over the panel. but when you try to resize these then you need to use Grid Layout/ GridLayout class. Try using Grid Layouts and arrange your controls by providing X, Y co-ordinate values. It will definitely work.
I have an icon in my application and I made it clickable (When I click the icon, some action is called), but the problem is, you have to be really accurate. On the other hand the menu icon (the 3 dots) has a bigger "range" and when you click little bit outside, it is still working. Is there any way to achieve the same thing at the app icon? Or is there any better way to make a clickable icon in the upper left corner than using app icon?
Add padding to the icon, the more padding you add to it, the more clickable area you ll get!
Try to put a transparent button over your icon. Don't forget to make it unclickable and put enabled to false, so it doesn't intercepts the click intended for the icon.
I am creating a panel showing many different kind of widgets such as button. The panel allows to zoom in and zoom out. It is required to show whole panel in the beginning. However, some users may touch more than one button when the panel is too small.
I want to handler the situation like chrome in Android. When the user touches more than one link, a pop up panel will be showing.
What library or APIs may I use?
Thanks!
You could place your Buttons in a FocusPanel implementing a ClickHandler to open your desired popup- thus when your user clicked between two buttons the click is registered and you can handle it.
Note, you will have to place a FlowPanel in that FocusPanel to place more than one button inside.
If you want to react on hover instead of on click, use HoverHandler instead.
I have an open-source java swing application like this:
http://i47.tinypic.com/dff4f7.jpg
You can see in the screenshot, there is a JPanel divided into two area, left and right area. The left area has many text links. When I click the SLA Criteria link, it will pop-up the SLA Criteria window. The pop-up window is JFrame object.
Now, I'm trying to put the pop-up window into right area of the JPanel, so that means no pop-up window anymore, i.e. when I click the SLA Criteria link, its contents will be displayed at the right area of the JPanel. The existing content of the right area of JPanel will not be used anymore. The concept is just same like in the java api documentation page: http://docs.oracle.com/javase/6/docs/api. You click the link in the left frame, you'll get the content displayed at the right frame.
The example illustration is like this:
(note: it's made and edited using image editor, this is not a real screenshot of working application)
http://i48.tinypic.com/5vrxaa.jpg
So, I would like to know is there a way to put JFrame into JPanel?
I'm thinking of using JInternalFrame, is it possible? Or is there another way?
UPDATE:
Source code:
http://pastebin.com/tiqRbWP8 (VTreePanel.java, this is the panel with left & right area divisions)
http://pastebin.com/330z3yuT (CPanel.java, this is the superclass of VTreePanel and also subclass from JPanel)
http://pastebin.com/MkNsbtjh (AWindow.java, this is the pop-up window)
http://pastebin.com/2rsppQeE (CFrame.java, this is the superclass of AWindow and also subclass from JFrame)
Instead of trying to embed the frame, you want to embed the frame's content.
There is (at least) one issue I can see with this.
The menu bar is controlled by the frame's RootPane.
Create you're self a new JPanel. Set it's layout to BorderLayout.
Get the menu bar from the frame (using JFrame#getJMenuBar) and added to the north position of you new panel.
Get the frames ContentPane and add it to the center position of the panel.
There is undoubtedly countless other, application specific issues you will run into trying to do this...
No, you don't want to "put a JFrame into a JPanel" and your illustration above doesn't demonstrate this either. Instead it's showing a subordinate window on top of (not inside of) another window. If you absolutely need to display a new subordinate window, I'd recommend that you create and display a JDialog. The tutorials will explain how to do this, or if you get stuck post your code attempt and we'll help you work with this.
Edit 1
You state:
I need to convert from the pop-up window style into the jpanel content style. It's just like the java api documentation page style: docs.oracle.com/javase/6/docs/api When you click the text in left frame, it doesn't show any pop-up, right? The content is displayed at right frame directly. So that's basicly my goal. The source code is quite big. I will try to paste the source code if possible.
What you are looking for is to simply implement a MouseListener in a JList or JTable, and when responding to the click get the content based on the selection made. This has nothing to do with placing a JFrame in a JPanel and all to do with writing the correct program logic. Again, display it in a modal JDialog -- but that's all secondary to your writing the correct non-GUI logic. You're really barking up the wrong tree here. Forget about JFrames, forget about JPanels for the moment and instead concentrate on how you're going to extract the SLA Criteria data when it is clicked on.
Edit 2
I think I see what you're trying to do -- instead of JFrames and JDialogs, use JPanels and swap them using a CardLayout which would allow you to swap views.
I had skimming the source codes, I saw that the AWindow.java has internal panel (APanel.java) to hold the window's content, and it also has a public method to return the content panel object (getAPanel()). With this, I can use it for fetching the window's contents into other container.
Finally, I decided to use JTabbedPane in the right area of VTreePanel for displaying the pop-up window's contents.
You cannot put a Jframe into a JPanel. Instead you should try to create a separate panel that has functionalities like your JFrame and embed that into your JPanel.
Since you can put a JPanel into another JPanel but not a JFrame into another JPanel
How to disable iconified button in JFrame Window ?
something like setResizable, but for minimize button
At First, you can use the method setUndecorated(boolean). It may disable the title bar and the border.
In the end, you will create the icon label and close button at your frame top or the others position.
But this way will lose the border look and feel for the frame. If you choose this way, you must create a lot of code.
In fact, If you could not use JNI, this way may be the only.
You could use a JDialog, which natively does not have a minimize button.
In fact, the minimize, close and maximize/un-maximize buttons are drawn by the Operating System itself. This means you can't really disable them within Java.
That's why my suggestion is to use a JDialog.