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Diffstat (limited to 'dev-haskell/dbus/metadata.xml')
| -rw-r--r-- | dev-haskell/dbus/metadata.xml | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/dev-haskell/dbus/metadata.xml b/dev-haskell/dbus/metadata.xml new file mode 100644 index 000000000000..205ed770c91e --- /dev/null +++ b/dev-haskell/dbus/metadata.xml @@ -0,0 +1,61 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> +<pkgmetadata> + <herd>haskell</herd> + <herd>proxy-maintainers</herd> + <maintainer> + <email>haskell@gentoo.org</email> + </maintainer> + <longdescription> + D-Bus is a simple, message-based protocol for inter-process + communication, which allows applications to interact with other parts of + the machine and the user's session using remote procedure calls. + + D-Bus is a essential part of the modern Linux desktop, where it replaces + earlier protocols such as CORBA and DCOP. + + This library is an implementation of the D-Bus protocol in Haskell. It + can be used to add D-Bus support to Haskell applications, without the + awkward interfaces common to foreign bindings. + + Example: connect to the session bus, and get a list of active names. + + @ + &#x7b;-\# LANGUAGE OverloadedStrings \#-&#x7d; + + import Data.List (sort) + import DBus + import DBus.Client + + main = do + &#x20; client <- connectSession + &#x20; // + &#x20; \-- Request a list of connected clients from the bus + &#x20; reply <- call_ client (methodCall \"\/org\/freedesktop\/DBus\" \"org.freedesktop.DBus\" \"ListNames\") + &#x20; &#x7b; methodCallDestination = Just \"org.freedesktop.DBus\" + &#x20; &#x7d; + &#x20; // + &#x20; \-- org.freedesktop.DBus.ListNames() returns a single value, which is + &#x20; \-- a list of names (here represented as [String]) + &#x20; let Just names = fromVariant (methodReturnBody reply !! 0) + &#x20; // + &#x20; \-- Print each name on a line, sorted so reserved names are below + &#x20; \-- temporary names. + &#x20; mapM_ putStrLn (sort names) + @ + + >$ ghc --make list-names.hs + >$ ./list-names + >:1.0 + >:1.1 + >:1.10 + >:1.106 + >:1.109 + >:1.110 + >ca.desrt.dconf + >org.freedesktop.DBus + >org.freedesktop.Notifications + >org.freedesktop.secrets + >org.gnome.ScreenSaver + </longdescription> +</pkgmetadata> |