BFilePanel knows how to create and display an "Open File" or "Save File" panel, and provides the means for filtering and responding to the user's actions on the panel. The Save Panel looks like this: ...

Let's first decide what filetype and attributes would serve our needs. Originally, I planned to use a bookmark file with a link to the movie's IMdB page, but since Haiku didn't have a "bookmarkable" ...

BLayoutBuilder::Base subclass for building BGroupLayouts. More ...

The BApplication class defines an object that represents your application, creates a connection to the App Server, and runs your app's main message loop. An app can only create one BApplication object ...

Most of the OpenBeOS source code has unit tests in the current/src/tests directory. I looked into building CppUnit tests for the midi2 kit, but decided that it doesn’t really make much sense. Unit ...

To be eligible to get messages from a BLooper, a BHandler must be in the BLooper's list of eligible handlers (as explained in the BLooper class). The list of eligible handlers is ordered; if the ...

Since our developers are unable to test every hardware combination, nor every different way of interacting with the operating system, we are relying on users to give us some input on how things work ...

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Each view is assigned a coordinate system of its own. By default, the coordinate origin—(0.0, 0.0)—is located at the left top corner of the view rectangle. The x-axis extends to the right and the ...

Working with media files becomes relatively painless when you use the BMediaFile and BMediaTrack classes. This section looks at a sample program that converts a media file from one format to another, ...

CharacterMap shows all characters of every Unicode block. To the left you have the standardized Unicode blocks, together with a handy filter function. The right shows the actual characters in these ...

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