41 lines
968 B
Markdown
41 lines
968 B
Markdown
Title: The Broadway windowing system
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Slug: broadway
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## Using GTK with Broadway
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The GDK Broadway backend provides support for displaying GTK applications in
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a web browser, using HTML5 and web sockets.
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To run your application in this way, first run the broadway server,
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`gtk-broadwayd`, that ships with GTK:
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```
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gtk4-broadwayd :5
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```
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The server expects the colon-prefixed display number as a commandline argument.
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Then point your web browser at `http://127.0.0.1:8085`.
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Once the Broadway server is running, you can start your applications like
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this:
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```
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GDK_BACKEND=broadway BROADWAY_DISPLAY=:5 gtk4-demo
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```
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Multiple applications can be presented in the same web browser window.
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## Broadway-specific environment variables
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### `BROADWAY_DISPLAY`
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Specifies the Broadway display number. The default display is 0.
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The display number determines the port to use when connecting to a Broadway
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application via the following formula:
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```
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port = 8080 + display
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```
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