Bug#806670: rotation is dragging

2016-04-18 Thread Luke Kenneth Casson Leighton
On Thu, Jan 7, 2016 at 9:47 PM, Torsten Paul wrote: > That basically sums up the reports so far. On my system I can > reproduce the issue with debug builds, but not with release builds. right - i have a possible explanation for that. if there are two threads now in qt5, one handling mouse-even

Bug#806670: rotation is dragging

2016-01-08 Thread chrysn
On Thu, Jan 07, 2016 at 10:47:35PM +0100, Torsten Paul wrote: > It seems the best short term solution is to enable usage of the > new QOpenGLWidget "qmake CONFIG+=qopenglwidget". Unfortunately we > can't just enable it in general as this needs Qt5.4 and also is > causing issues on MacOSX and totall

Bug#806670: rotation is dragging

2016-01-07 Thread Luke Kenneth Casson Leighton
On Fri, Jan 8, 2016 at 3:12 AM, Torsten Paul wrote: > On 01/08/2016 03:36 AM, Luke Kenneth Casson Leighton wrote: > Thanks for providing this nice motivation to help. i was concerned for a moment that i'd misunderstood, and that the code-comment meant that the issue was well-understood. i'm re

Bug#806670: rotation is dragging

2016-01-07 Thread Torsten Paul
On 01/08/2016 03:36 AM, Luke Kenneth Casson Leighton wrote: > clearly, by stating this, the upstream authors are, i have to be > absolutely frank here, blithering idiots. "waiting for the buffer > swap" - which i infer and assume means that there's a means by which > it's possible to detect when

Bug#806670: rotation is dragging

2016-01-07 Thread Luke Kenneth Casson Leighton
On Fri, Jan 8, 2016 at 2:22 AM, Luke Kenneth Casson Leighton wrote: > On Thu, Jan 7, 2016 at 9:25 PM, chrysn wrote: >> luke, could you, for comparison, on the system where the new .deb >> dragged and the fresh 21c8d2fc9 (that's openscad-2014.03, by the way) >> build worked, build the current mas

Bug#806670: rotation is dragging

2016-01-07 Thread Luke Kenneth Casson Leighton
On Thu, Jan 7, 2016 at 9:47 PM, Torsten Paul wrote: >> torsten, can you make anything of this? (lkcl's messages in full at >> http://bugs.debian.org/806670) >> > Yes, the event handling is likely the root cause of the issue, but > the exact same code works fine with Qt4 and in some cases also wit

Bug#806670: rotation is dragging

2016-01-07 Thread Luke Kenneth Casson Leighton
On Thu, Jan 7, 2016 at 9:25 PM, chrysn wrote: > On Thu, Jan 07, 2016 at 06:36:07PM +, Luke Kenneth Casson Leighton wrote: >> On Thu, Jan 7, 2016 at 6:00 PM, lkcl wrote: >> >> > so what i'm going to do is to find an older version of the openscad source >> > code, compile that up and use it. i

Bug#806670: rotation is dragging

2016-01-07 Thread Torsten Paul
> torsten, can you make anything of this? (lkcl's messages in full at > http://bugs.debian.org/806670) > Yes, the event handling is likely the root cause of the issue, but the exact same code works fine with Qt4 and in some cases also with Qt5. There were a number of issues in Qt5 that caused pro

Bug#806670: rotation is dragging

2016-01-07 Thread chrysn
On Thu, Jan 07, 2016 at 06:36:07PM +, Luke Kenneth Casson Leighton wrote: > On Thu, Jan 7, 2016 at 6:00 PM, lkcl wrote: > > > so what i'm going to do is to find an older version of the openscad source > > code, compile that up and use it. i had a version that used to work, from > > source, b

Bug#806670: rotation is dragging

2016-01-07 Thread lkcl
Package: openscad Version: 2015.03-1+dfsg-3+b1 Followup-For: Bug #806670 rright. the "rotation dragging" has absolutely nothing whatsoever to do with what version of QT, what version of OpenGL (or not) that is being used. the change is a critically-flawed design mistake in the way that the mous

Bug#806670: rotation is dragging

2015-11-29 Thread chrysn
Package: openscad Version: 2015.03-1+dfsg-3 Severity: important (forwarding info from tpaul into bts) > Are the packages in testing built with CONFIG-=debug ? > > For some yet unknown reason it seems the Qt debug version forces OpenGL > to vsync buffer swaps which makes the display quite unusabl