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POResizing issue with canvas within jscrollpane within jsplitpane
 

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  1. POResizing issue with canvas within jscrollpane within jsplitpane
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    <p>I'm creating an application using the NetBeans GUI Editor, in which I want to have a <code>JSplitPane</code>, the top component of which will be a <code>Canvas</code> within a <code>JScrollPane</code> and the bottom component will be a <code>JTextArea</code>, or something like that.</p> <p>When I pull the divider downwards, and thus increasing the size of the top component everything seem to resize just fine.</p> <p>The problem appears when I'm trying to push the divider upwards: The divider seems to go beneath the <code>Canvas</code> (and maybe beneath the <code>JScrollPane</code> too).</p> <p>I have tried various combinations of the preferred/minimum/maximum sizes of the <code>JScrollPane</code> and <code>Canvas</code> but nothing seems to work.</p> <p>This is the part of the code that Netbeans generated that may have something to do with the problem at hand:</p> <pre><code>jSplitPane1 = new javax.swing.JSplitPane(); jScrollPane1 = new javax.swing.JScrollPane(); canvas1 = new java.awt.Canvas(); jTextField1 = new javax.swing.JTextField(); jSplitPane1.setDividerLocation(300); jSplitPane1.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT); jScrollPane1.setViewportView(canvas1); jSplitPane1.setTopComponent(jScrollPane1); jTextField1.setText("jTextField1"); jSplitPane1.setRightComponent(jTextField1); </code></pre> <p>Since this is my first question, I'm not allowed to embed an image in the question, so I will just post the link:</p> <p><img src="https://i.stack.imgur.com/YXVsi.png" alt=""></p> <p>The red arrows indicate the position of the divider.</p> <p>Thanks in advance for your time.</p>
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    1. USMohsen Safari
    1. USSakis Vtdk
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      1. USSteve P.
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    1. COWhy are using `java.awt.Canvas` instead of `javax.swing.JPanel`?
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      1. USdavidbuzatto
    2. COBecause I'm new to Swing, and canvas seemed the right thing to choose for my purpose, which is to draw shapes on it. I will take a look to the JPanel as well, to see if it meets my needs.
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      1. USSakis Vtdk
    3. COIt will fit your needs and it is the best choice, since it is not good to mix AWT and Swing components. AWT components should be avoided. I really don't know what to answer since I didn't understand what you want to do.
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