On Thursday 01 April 2010 18:13:09 Will Stephenson wrote: > On Thursday 01 April 2010 16:35:59 Detlev Casanova wrote: > > I'd like to work with you this summer (and even longer after that :-) ). > > So, there's something in KDE that I find not really nice, It's the > > multiscreen management. > > For instance, I have an extra monitor for my laptop which I use every day > > but I also unplug it every day. The problem is that the screen > > configuration is never kept and sometimes, the screen is deactivated and > > KRandr says the screen is configured in 1980x1200... > > > > So, my point is : there are problems. > > So far, what's the link with plasma you might ask. Well, I'd like the > > device notifier to react when a monitor is plugged in, showing the > > screen. 2 actions should be possible : Auto configure and manual > > configuration. > > > > -> Auto configure would try to find the best configuration depending on > > > > the screen capabilities (read resolutions). > > > > -> Manual configuration would open KRandr. > > > > In KRandr, there should be a possibility to keep configurations depending > > > > on the plugged device : > > I'd like the university projector to be on the right of my laptop > > screen. I'd like my 26" screen to be a clone of my laptop screen. > > > > If a configuration exists for a monitor when it's plugged in, the > > configuration should directly be applied with the monitor entry still in > > the device notifier (so that it can be modified). > > > > KRandr could also be more handy : the view could be used to move screens > > to place them at the wanted position (like a widget is moved on the > > desktop). > > > > What do you think ? > > All great features, but you should look at > http://techbase.kde.org/Projects/Plasma/ScreenManagement
Well, that's almost exactly what I had in mind :-) > http://aike.me/site/blog/20090407/multihead_in_kde_422 This is more like a bug fixes list. But I see the idea of improving multihead management is at least 1 year old. > http://websvn.kde.org/trunk/KDE/kdebase/workspace/libs/kephal/ I'll have a look at it, but it seems to be exactly what I wanted to do. > http://websvn.kde.org/trunk/playground/base/plasma/screenmanagement/ So you think another plasma widget than the device notifier should be used for monitors ? Is the Device Notifier widget only for mass storage devices ? > This was already the subject of a GSoC project in 2008, which was > successful but stopped short of applying policies to restore previous > configuration, doing KNotifications or events or providing UI to edit > configurations. > > KRandR is a separate codebase which Lubos Lunak updated for 4.4 with some > SUSE patches to launch an improved version of the KRandR KCM, and does not > use Kephal. But couldn't KRandR use Kephal eventually ? > I feel the same itch as you do and have spent the last couple of days > getting into the Kephal code - it's been hardly touched since 2008 and > could do with a clean up, so I'll see how far I get with it over the > weekend. > > Aaron, do you think there's another GSoC project in completing Kephal? > > > I already posted the idea on #plasma but had to leave before you could > > answer so, it might feel familiar. > > > > I know though that there are problems with xrandr and some drivers, like > > the NVidia driver. I'm not sure how big are the problems but interfacing > > with the NVidia tools is maybe possible. > > I know the disper tool tries to abstract both systems, but haven't used it. Detlev.
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