Sugar Learning Environment, Activity Toolkit, GTK 3.
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James Cameron 88adb38a42 Fix RuntimeError: could not create signal for _closing
On Ubuntu 20.04 with GTK 3.24.13, importing sugar3.activity.activity
fails with RuntimeError: could not create signal for _closing, preceeded
by an assertion is_valid_signal_name failed.

Cause is upstream 89f955d ("gsignal: Canonicalise signal names at
installation time ") which requires application signal names to not
start with a hyphen or underscore.

Remove the prefix from our signal name.  The signal remains reserved and
private to the Activity class.
2019-12-27 20:23:34 +11:00
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Sugar Toolkit

Sugar Toolkit provides services and a set of GTK+ widgets to build activities and other Sugar components on Linux based computers.

This is the GTK+ 3 binding of the Sugar Toolkit.

https://www.sugarlabs.org/

https://wiki.sugarlabs.org/

Installing on Debian or Ubuntu

Automatically done when you install Sugar desktop.

To install Sugar Toolkit alone without Sugar desktop,

sudo apt install python-sugar3

Installing on Fedora

Automatically done when you install Sugar desktop.

To install Sugar Toolkit alone without Sugar desktop,

sudo dnf install sugar-toolkit-gtk3

Building

Sugar Toolkit follows the GNU Coding Standards.

Install all dependencies, especially sugar-artwork and sugar-datastore.

Clone the repository, run autogen.sh, then make and make install.