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Description
In both Compiz and Metacity it would be nice to have smoother windows movements. You realise this after you go back to the Mac for a while. It just gives you that nice feeling of a sturdy environment.
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ubby wrote on the 7 Apr 08 at 08:10
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Good, idea!
By the Mac it works more smoother.
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zooounds wrote on the 7 Apr 08 at 11:16
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On mac it's just because the mouse move SLOOOOOW on the fastest speed. PPlease don't bring that to Ubuntu -1
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ddimaio wrote on the 7 Apr 08 at 12:32
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no it does not have to do with the mouse speed, even at low speed windows movement is not smooth. Look at the edges and you'll see lots of graphical imperfections.
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Vadim P. wrote on the 7 Apr 08 at 12:55
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Erm, not everybody here was on a mac, so I don't know what you're talking about at all.
Wobbly windows do it for me...
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ddimaio wrote on the 7 Apr 08 at 13:06
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even if you have not tried a mac, try moving slowly the windows and look carefully at them. At the edges you'll notice distortion graphical defects. Same can be observed on fonts. These tend to tire the eyes in the long term.
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ddimaio wrote on the 7 Apr 08 at 13:07
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plus there is a sort of white flickering that makes things worse
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steve196 wrote on the 7 Apr 08 at 14:50
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To be honest, i would rather have these resources free for something else.
But as a selectable option definitely yes.
I see no distortion on the edges, but maybe that is, because i turned compiz off.
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ddimaio wrote on the 7 Apr 08 at 15:16
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No unfortunately the same, maybe less evident is present also with metacity. It looks like the image is not refreshed fast enough when it's moved. Maybe it has to do with TFT screens. I do not have a CRT to compare it.
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joeally wrote on the 7 Apr 08 at 16:53
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Its smooth enough for me No point with the devs worrying over this -1.
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bighi wrote on the 7 Apr 08 at 17:09
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Maybe your computer is not fast enough to refresh the screen as fast as nedded. Moving windows is perfect to me.
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oblique63 wrote on the 7 Apr 08 at 18:20
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this is a subtle problem, so its not surprising that most of us cant see it, and since most of us have probably been using Ubuntu for a good while, its also no surprise that we've gotten used to it...
However, ubuntu's goal is to reach out to way more people, and most people (even linux users) tend to judge based on first impressions, and for the average consumer, this means looks... so all these ideas about polishing this distro up are definately important, because although your casual user probably wont precisely be able to see the distortion on the windo edges, he/she will probably notice some overall difference/improvement when its not there... it will give them subtle visual feedback that will make it look like their windows are gliding along gently and smoothly, and thus giving ubuntu major plus points for the onlooker...
so all these things should really not be ignored, they might not be a relatively high priority, but they should be implemented at some point if ubuntu really wants to get somewhere in the desktop market.
+1
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artir wrote on the 7 Apr 08 at 19:38
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Hey guys! I think I've found the solution to this.
Go to Advanced compiz configurator(ccsm) Then go to general options-Display settings and check "Sync with Vertical Blank or sth like that. Enjoy.
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johno wrote on the 7 Apr 08 at 21:42
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On slower systems at lest, one thing that makes a huge difference for me is to change the window border theme to one without the curved corners. With the default curved corners on the windows, they are jerky and slow moving, and then with the same hardware the desktop feels fast and smooth just by changing to "mist" or similar window borders. The rounded corners make for a much more complex clipping region for the window.
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Remco wrote on the 7 Apr 08 at 22:23
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The non-compositing variant of Metacity will never support glitch-free window management. That's just the way the technology works. Well, it would be possible to update the whole screen each frame and use a double buffer, but that would make it *really* slow. The CPU can't do those things very fast.
But these smooth Macs don't use software-mode rendering. They use compositing just like Compiz. Compiz should be able to support everything that Mac's window manager does.
However, I noticed the glitches too. It looks almost like a VBlanking issue, but enabling the option in ccsm doesn't get rid of it for me. Also, it seems that the glitches only appear at window-edges. That's a bit weird, because those window-edges don't really exist anymore (that's because of the OpenGL compositing). Maybe it's a problem with gtk-window-manager?
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Remco wrote on the 7 Apr 08 at 22:26
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By the way, it has nothing to do with how fast the window moves. If you turn on "Slow Animations" in ccsm, you'll actually be able to see the glitches much easier.
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Remco wrote on the 7 Apr 08 at 22:56
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And it's not just the window decorations. I captured my desktop here:
http://www.few.vu.nl/~rkg230/stuff/glitchproblem.ogg
I see subtle glitches around straight lines (such as the window edges) when they move. Obviously there is the chance that someone on a well-configured system (or a Mac ;-) ) isn't going to see any glitches, because it could be caused somewhere in the GPU or in the monitor, instead of the program.
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FuturePilot wrote on the 9 Apr 08 at 04:29
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"Look at the edges and you'll see lots of graphical imperfections."
Sounds like you need some SyncToVblank on there. Everything is very smooth here.
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mixandgo wrote on the 17 Sep 08 at 18:45
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Try unchecking "Detect Refresh Rate" and move the slider for "Refresh Rate" to a higher value (60 does it for me)
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jeypeyy wrote on the 26 Nov 08 at 19:57
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I would rather call this a bug than an idea.
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pepperpupper wrote on the 1 Dec 08 at 09:19
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set refresh rate to the correct value in compiz, and enable vsync
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