On Friday 24 of October 2014 11:22:59 Marco Martin wrote: > On Friday 24 October 2014 09:58:39 Daniel Vratil wrote: > > Hi all, > > > > the current state of multi-monitor support in Plasma 5 is rather bad as > > both Plasma 5 and KWin keep crashing every time there's any change (+ the > > desktop is extremely sluggish for about 15 seconds after that). Many > > colleagues in my office would love to switch to Plasma 5 already, but > > this is one of the major blockers that scares most people away, so it > > needs to be fixed. > > > > I was looking into plasmashell code to fix it (and also for a different > > reason, more on that later) and realized that the code is mixing use of > > KScreen and QScreen, and I couldn't resist asking myself why. QScreen > > provides subset of information that KScreen and all I can see in the code > > is just endless conversion between QScreen and respective KScreen::Output > > and hoping they both behave the same. Would it make sense to get rid of > > QScreen completely and use KScreen exclusively? I think it would solve > > most > > of the crashes I'm currently getting. I'm of course volunteering to do all > > I don't think is 100% possible, in too many places tere is the assumption > that window->screen() is actually the proper qscreen, (no not count inside > the qquickwindows in qt as well, that would be impossible to change, such > as the recent issue in Qt 5.3 of panels migrating screen spontaneously, > https://codereview.qt-project.org/#/c/97050/) so it wouldn't help.
Sorry, I wasn't clear in my original email: I intent to only look into shellcorona.cpp and panelview.cpp. I don't want to remove QScreen completely from entire plasma-workspace, that does not make sense. And of course where needed (for instance where QScreen is exposed to QML from PanelView or ShellCorona), I'd leave QScreen. > what i would really love instead, is to have QScreen fixed enough to > actually not use kscreen at all. -- Daniel Vrátil | dvra...@redhat.com | dvratil on #kde-devel, #kontact, #akonadi Software Engineer - KDE Desktop Team, Red Hat Inc. GPG Key: 0xC59D614F6F4AE348 Fingerprint: 4EC1 86E3 C54E 0B39 5FDD B5FB C59D 614F 6F4A E348
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