Review Request 126895: Make KGlobalAccel dependency in KXmlGui optional
Andre Heinecke
aheinecke at intevation.de
Tue Jan 26 18:55:37 UTC 2016
> On Jan. 26, 2016, 6:40 p.m., Aleix Pol Gonzalez wrote:
> > Hi,
> > I'm a bit afraid of all these ifndef. Do you think it would make sense to abstract out the KGlobalAccel usage?
> >
> > Otherwise, would it be possible to make KGlobalAccel useful (or just dumb) on Windows?
>
> Boudewijn Rempt wrote:
> I would say: most applications do not need global accelerators, so making kglobalaccel functional on windows is not really relevant, you wouldn't want that dependency anyway because it doesn't add functionality. And building a library and including it is always a burden, so I would say it's much better to make it optional.
Hi,
Abstracting it out would also be quite invasive imho. And from my experience abstraced (optional) features are even harder to maintain then ifdefs where you can easily see the codepath taken when something is not available. While side effects through abstraction are harder to see when hacking on code.
As for the other point:
- GlobalAccel means that you basically need to have a keylogger on your platform. I don't want that. There are system ways on Windows to create global shortcuts already. Not as fine grained as KDE Actions but you could use them to do command line calls.
- I don't really see this as a Windows only thing. KXmlGui provides very useful features even without Global Shortcuts. And as for making KGlobalAccel just dumb on Windows. While I think this would generally be a good idea I expect that others (from Kde-Windows) who provide several KDE applications and stuff like Systemsettings on Windows would disagree.
We could add a dummy class in KXmlGui thats used if KGlobalAccel is not available? This could avoid lots of ifdefs. But this would add a bit maintenance cost when new API is used. While the IFDEFS make it quite transparent to hackers that if you do thomething with GlobalAccel "please guard it".
- Andre
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On Jan. 26, 2016, 6:25 p.m., Andre Heinecke wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/126895/
> -----------------------------------------------------------
>
> (Updated Jan. 26, 2016, 6:25 p.m.)
>
>
> Review request for KDE Frameworks.
>
>
> Repository: kxmlgui
>
>
> Description
> -------
>
> This is part of a three patch series that aims to allow a "leightweight" build of KXmlGui without DBus and KService dependencies. I've added the patches to: https://phabricator.kde.org/T1390 I'm not sure if I can create reviews that depend on changes from another review, I'll try and if it does not work I'll open one after another.
>
> Global shortcuts are a nice optional feature to have. But as they are not strictly neccessary for the core functionality of KXmlGui, as I see it, and pull in an extra dependency to DBus and need runtime support on the target platform they should be optional.
>
> This (and the other changes) add lots of unloved ifdefs, I could understand if thats disliked. But let me explain the background of this change:
>
> I'm currently updating Kleopatra in Gpg4win to a KDE Frameworks based build. This is nice. Frameworks are awesome, I can just pick what I need and don't have dependencies to lots of things that are actually not needed.
> Then comes KXmlGui, adds 20 Framework dependencies, and I don't know what to do.
> I want:
> - configureable "KDE Style" GUI
> - configurable Shortcuts
> - KDE Standardactions (e.g. Help / WhatsThis)
> - kbugreport
> - KDE Integration in an KDE Environment
>
> But I don't want:
> - Global Shortcuts (we don't have kded so this won't work for us anyway)
> - DBus (our dbus is directory scoped and there are no other applications using dbus installed by us)
> - KService dependency (System configuration has been troublesome in the past on Windows and is not neccessary if we provide just a single installation)
>
> So these Patches are my way out of this Problem. Without the optional packages KXmlGui provides what I want and does not depend on what I don't want.
>
>
> Diffs
> -----
>
> CMakeLists.txt 9d79619
> src/CMakeLists.txt 58f0c7a
> src/config-xmlgui.h.cmake 07c882f
> src/kactioncollection.cpp 9c45725
> src/kkeysequencewidget.cpp b2e2b6a
> src/kshortcuteditwidget.cpp 670d031
> src/kshortcutseditor.cpp 99dfb3d
> src/kshortcutseditoritem.cpp 461a90c
> src/kxmlguifactory.cpp 2767e69
>
> Diff: https://git.reviewboard.kde.org/r/126895/diff/
>
>
> Testing
> -------
>
> Compiled with and without dependency. Tested Kleopatra against it.
> Not yet tested on Windows, will do so in the next days.
>
>
> Thanks,
>
> Andre Heinecke
>
>
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