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42 lines
2.2 KiB
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42 lines
2.2 KiB
Markdown
<!-- Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license. -->
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# Miscellaneous Swing Components
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<link-summary>Overview of useful Swing components provided by IntelliJ Platform.</link-summary>
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### `Messages`
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[`Messages`](%gh-ic%/platform/platform-api/src/com/intellij/openapi/ui/Messages.java) provides a way to show simple
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message boxes, input dialogs (modal dialogs with a text field), and chooser dialogs (modal dialogs with a combo box).
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On macOS, the message boxes use the native UI.
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The `showCheckboxMessageDialog()` function provides an easy way to implement a <control>Do not show this again</control> checkbox on messages.
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> It is recommended to use non-modal notifications instead of modal message boxes whenever appropriate.
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> Refer to the [](notifications.md) topic for more information.
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>
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{title="Avoid Modal Dialogs"}
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### `JBSplitter`
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[`JBSplitter`](%gh-ic%/platform/platform-api/src/com/intellij/ui/JBSplitter.java) is a replacement for the standard [`JSplitPane`](https://docs.oracle.com/javase/8/docs/api/javax/swing/JSplitPane.html) class.
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Unlike some other JetBrains-enhanced Swing components, it is not a drop-in replacement and has a different API.
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However, to achieve a consistent user experience, it is recommended to use `JBSplitter` instead of the standard `JSplitPane`.
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To add components to the splitter, call the `setFirstComponent()` and `setSecondComponent()` methods.
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`JBSplitter` supports automatic remembering of the split proportion.
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To enable it, call the `setSplitterProportionKey()` method and pass the unique ID under which the proportion will be stored.
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### `JBTabs`
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[`JBTabs`](%gh-ic%/platform/platform-api/src/com/intellij/ui/tabs/JBTabs.java) is an implementation of the tab control, used for editor tabs and a few other components.
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It has a significantly different look & feel compared to the standard Swing tabs and looks less native on the macOS platform,
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so it's up to the developer to choose which tab control would be more appropriate.
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### Toolbars
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See [](toolbar.md) in the UI Guidelines for an overview.
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[](action_system.md#buildingToolbarPopupMenu) covers creating `AnAction`-based toolbars.
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