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For example, tests have a green background by default, and non-project files (for example, compiled files or files excluded from a project) have a yellow background. Some files in the Project tool window have a colored background. For more information, refer to Track changes to a file in the editor. New, modified, and deleted lines have special markers by clicking on which you can open a diff, revert the changes, and perform other VCS-related actions. If your project is under version control, you can track uncommitted changes in a file by looking at the color indicators in the gutter. If you want to know what action a button performs, hover the mouse pointer over it to display a tooltip with the action name. IntelliJ IDEA has many tool windows, and almost every tool window has a toolbar with buttons.
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For more information on how to work with bookmarks, refer to Bookmarks. There are two types of bookmarks: anonymous bookmarks and bookmarks with mnemonics (lettered and numbered ). If you want to return to some place in your code later, you can mark any code line with a bookmark. For the full list of icons, refer to Breakpoint icons.
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This lets you examine the program state and behavior.ĭepending on their type and status, breakpoints are marked with different icons in the gutter. Breakpointsīreakpoints are special markers that suspend program execution at a specific point. To access the list of gutter icons available for your project, go to Settings/Preferences | Editor | General | Gutter Icons.įor more information on gutter icons, refer to Gutter Icons. The list of available gutter icons depends on the configuration of your project, the frameworks that you use, and the plugins that you have installed.
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For example, you can navigate to the related element, run a test or a method, and so on. Every icon in the gutter has a tooltip that explains its meaning and provides additional actions. Gutter icons are located in the editor on the left. If you want to learn more about an item in the Project ( Alt+1) or any other tool window, hover the mouse pointer over its icon. Project items (classes, methods, fields, folders, content roots, and so on) have tooltips that provide basic information about them. Hover the mouse over an icon and wait for the tooltip with some brief information.įor a full list of icons in the IDE, refer to IntelliJ Platform UI Guidelines: Icons list. The majority of icons have tooltips that allow you to quickly grasp their meaning. Many entities in IntelliJ IDEA are marked with icons: there are icons on toolbar buttons, in the gutter, in the Project tool window, and so on.
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