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Jehan eb0ee5f33a Issue #9598: do not rely on GApplication uniqueness feature.
When passing an application ID (which is necessary for application inhibition to
work, i.e. logoff/reboot/shutdown inhibition), GApplication will try to ensure
process uniqueness, which will trigger a new activation to an already running
process. Since our current code assumes that the application can be activated a
single time only, this was what was triggering a whole lot of errors (on the
first running process) in #9598 because there was all the initialization code
which ran again, whereas it was not supposed to.

This doubly-running initialization code was also what completely messed up the
session files, hence broke the GUI after a restart (#9599).

Therefore passing G_APPLICATION_NON_UNIQUE advertizes we don't want GIO to
handle process uniqueness for us.

Note that this is actually a very interesting feature which we have had in GIMP
codebase forever. It would be interesting to kill all our own uniqueness code in
favor of GIO code (and let them handle/maintain passing command line arguments
from one process to another, for all possible platforms). So I added a TODO for
this (for now, we just ignore this feature as it doesn't work well with current
codebase).
2023-06-12 01:10:59 +02:00
.gitlab .gitlab: search common git ancestor with mr-origin remote. 2022-01-19 22:22:40 +01:00
app Issue #9598: do not rely on GApplication uniqueness feature. 2023-06-12 01:10:59 +02:00
app-tools Remove autotools 2023-05-27 00:03:52 +02:00
build build: fix nightly flatpak. 2023-06-07 12:24:11 +02:00
cursors Remove autotools 2023-05-27 00:03:52 +02:00
data data: new "Wilber Week 2023 edition" splash screen for GIMP 2.99.16. 2023-06-08 00:21:48 +02:00
desktop desktop: removing autotools-only test files. 2023-05-27 00:16:47 +02:00
devel-docs devel-docs, gitlab-ci: freeze our requirement updates to Debian 12 bookworm. 2023-06-11 00:52:13 +02:00
docs Remove autotools 2023-05-27 00:03:52 +02:00
etc Remove autotools 2023-05-27 00:03:52 +02:00
extensions Remove autotools 2023-05-27 00:03:52 +02:00
icons Remove autotools 2023-05-27 00:03:52 +02:00
libgimp pdb: GimpResource: add is_editable(), rename(), duplicate(). delete() 2023-06-06 16:33:36 +02:00
libgimpbase Remove autotools 2023-05-27 00:03:52 +02:00
libgimpcolor Remove autotools 2023-05-27 00:03:52 +02:00
libgimpconfig Remove autotools 2023-05-27 00:03:52 +02:00
libgimpmath Remove autotools 2023-05-27 00:03:52 +02:00
libgimpmodule Remove autotools 2023-05-27 00:03:52 +02:00
libgimpthumb Remove autotools 2023-05-27 00:03:52 +02:00
libgimpwidgets Remove autotools 2023-05-27 00:03:52 +02:00
menus menus: move back the "GEGL Graph" action in Filters > Generic menu. 2023-06-10 23:13:02 +02:00
modules Remove autotools 2023-05-27 00:03:52 +02:00
pdb pdb: GimpResource: add is_editable(), rename(), duplicate(). delete() 2023-06-06 16:33:36 +02:00
plug-ins plug-ins: Fix defaults for 1/4/8 bpp ICO export 2023-06-09 22:12:43 +00:00
po Update Basque translation 2023-06-10 07:15:38 +00:00
po-libgimp Update Basque translation 2023-06-04 07:35:44 +00:00
po-plug-ins Update Ukrainian translation 2023-06-11 15:58:02 +00:00
po-python Remove autotools 2023-05-27 00:03:52 +02:00
po-script-fu Remove autotools 2023-05-27 00:03:52 +02:00
po-tags Remove autotools 2023-05-27 00:03:52 +02:00
po-tips Remove autotools 2023-05-27 00:03:52 +02:00
po-windows-installer Remove autotools 2023-05-27 00:03:52 +02:00
themes Issue #7172: option to apply Client-Side decoration on image windows. 2023-06-09 20:19:01 +02:00
tools Remove autotools 2023-05-27 00:03:52 +02:00
.clang-format clang-format: update. 2022-03-14 18:16:14 +01:00
.dir-locals.el
.gitignore Remove autotools 2023-05-27 00:03:52 +02:00
.gitlab-ci.yml devel-docs, gitlab-ci: freeze our requirement updates to Debian 12 bookworm. 2023-06-11 00:52:13 +02:00
.kateconfig
AUTHORS AUTHORS: update. 2022-02-25 21:06:17 +01:00
authors.dtd
authors.xml authors: update. 2022-08-21 12:24:20 +02:00
authors.xsl
authors4gimp-web.xsl Bug 734981 - Update maintainers and authors. 2017-10-23 23:55:22 +02:00
ChangeLog.pre-1-0
ChangeLog.pre-1-2
ChangeLog.pre-2-0
ChangeLog.pre-2-2
ChangeLog.pre-2-4
ChangeLog.pre-2-6
ChangeLog.pre-git
COPYING Change a bazillion URLs to https:// 2018-07-14 14:19:27 +02:00
gimp.doap DOAP: Add support-forum (GNOME Discourse) 2023-04-28 04:41:52 +02:00
gimp.pc.in configure, gimp.pc: do no hardcode the major.minor version of GEGL. 2018-04-28 01:30:19 +02:00
gimpthumb.pc.in
gimpui.pc.in Require gtk+-3.0 in gimpui-3.0.pc 2018-05-25 21:55:45 +02:00
INSTALL.in INSTALL, meson: remove references to autotools and warning. 2023-05-27 00:33:17 +02:00
LICENSE LICENSE: add a note about data/ licensing for future added data. 2023-03-16 23:20:44 +01:00
MAINTAINERS MAINTAINERS: update. 2021-04-04 16:01:48 +02:00
meson.build INSTALL, meson: remove references to autotools and warning. 2023-05-27 00:33:17 +02:00
meson.make meson.make: Don't use backend-specific calls 2021-09-30 16:13:35 +02:00
meson_dist_script.sh meson: remove a reference to autotools files in the meson dist script. 2023-06-06 23:49:39 +02:00
meson_options.txt meson: default to create default binary symlinks only in stable versions 2023-05-23 10:34:47 +02:00
NEWS NEWS: update. 2023-05-25 03:26:36 +02:00
NEWS.pre-2-0 Misc. typos 2018-10-19 15:30:27 +00:00
NEWS.pre-2-2 Misc. typos 2018-10-19 15:30:27 +00:00
NEWS.pre-2-4 Misc. typos 2018-10-19 15:30:27 +00:00
NEWS.pre-2-6 Misc. typos 2018-10-19 15:30:27 +00:00
NEWS.pre-2-8
NEWS.pre-2-10 Misc. typos 2018-10-19 15:30:27 +00:00
README app, docs, etc.: transform menurc in shortcutsrc after an update. 2023-04-12 22:07:09 +02:00
README.i18n Change a bazillion URLs to https:// 2018-07-14 14:19:27 +02:00

                   ------------------------------
                   GNU Image Manipulation Program
                      2.99 Development Branch
                   ------------------------------

This is an unstable development release, an intermediate state on the
way to the next stable release: GIMP 3.0. GIMP 2.99 may or may not do
what you expect. Save your work early and often. If you want a stable
version, please use GIMP 2.10 instead.

If you think you found a bug in this version, please make sure that it
hasn't been reported earlier and that it is not just new stuff that is
still being worked on and obviously not quite finished yet.

If you want to hack on GIMP, please read the file devel-docs/README.md.
For detailed installation instructions, see the file INSTALL.


1. Web Resources
================

GIMP's home page is at:

	https://www.gimp.org/

Please be sure to visit this site for information, documentation,
tutorials, news, etc.  All things GIMP-ish are available from there.

The latest version of GIMP can be found at:

	https://www.gimp.org/downloads/


2. Contributing
===============

GIMP source code can be found at:

	https://gitlab.gnome.org/GNOME/gimp/

Resources for contributors:

        https://developer.gimp.org/

In particular, you may want to look in the "Core Development" section. Some
articles of particular interest for newcomers could be:

* Setting up your developer environment: https://developer.gimp.org/core/setup/
* GIMP Coding Style: https://developer.gimp.org/core/coding_style/
* Submit your first patch: https://developer.gimp.org/core/submit-patch/


3. Discussion Channels
======================

We have several discussion channels dedicated to GIMP user and
development discussion. There is more info at:

        https://www.gimp.org/discuss.html

Links to several archives of the mailing lists are included in that page.

Gimp-user-list is a mailing list dedicated to user problems, hints and
tips, discussion of cool effects, etc.  Gimp-developer-list is oriented
to GIMP core and plug-in developers.  Gimp-gui-list is for discussing
about GIMP interface to improve user experience. Most people will only
want to be subscribed to gimp-user-list. If you want to help develop
GIMP, the gimp-developer mailing list is a good starting point; if you
want to help with GUI design, the gimp-gui list is where you want to
subscribe.

Other discussion channels can be listed on this page when they are
moderated by a team member, such as forums.

Finally, for the real junkies, there are IRC channels devoted to GIMP.
On GIMPNet (a private free software oriented network) there is #gimp.
Many of the developers hang out there. Some of the GIMPNet servers are:

	irc.gimp.org:6667
	irc.us.gimp.org:6667
	irc.eu.gimp.org:6667


4. Customizing
==============

The look of GIMP's interface can be customized like any other GTK+ app
by editing files in `${XDG_CONFIG_HOME}/gtk-3.0/` (settings.ini and
gtk.css in particular) or by using "themes" (ready-made customizations).
Additionally, GIMP reads `${XDG_CONFIG_HOME}/GIMP/2.99/gimp.css` so you
can have settings that only apply to GIMP.

You can also manually change the keybindings to any of your choice by
editing: `${XDG_CONFIG_HOME}/GIMP/2.99/shortcutsrc`.


Have fun,

  Spencer Kimball
  Peter Mattis
  Federico Mena
  Manish Singh
  Sven Neumann
  Michael Natterer
  Dave Neary
  Martin Nordholts
  Jehan