Re: [racket-users] DrRacket rendering issues OS X

2015-08-19 Thread Matthew Flatt
I've pushed a repair for this problem.

The short version is that a workaround for an old OS X bug seems to run
into a new OS X bug, but the old OS X bug appears to be fixed in 10.10,
so the workaround (and the new bug) can be avoided.

At Tue, 18 Aug 2015 20:09:59 +, Andrew Kent wrote:
 Just an update/bump: I'm still seeing this issue in DrRacket on the latest
 git checkouts. I went ahead replicated the issue on a friend's mac w/ OS X
 Yosemite w/ the 6.2 release as well (just to make sure I wasn't crazy or
 causing the issue on my machine).[image: Screen Shot 2015-08-18 at 4.07.23
 PM.png]
 
 On Wed, Jun 17, 2015 at 7:13 PM Matthew Flatt mfl...@cs.utah.edu wrote:
 
  At Wed, 17 Jun 2015 12:35:36 -0700 (PDT), Andrew Kent wrote:
   On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
One data point:
I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version
  10.9.5, and
   if I remember correctly it was a Racket plus Tests 64-bit installation.
I tried those steps, and it worked fine, with no weird black areas,
  though I
   do remember occasionally getting similar small black areas in the past,
   covering just the tab bar or something like that, and when I moved my
  mouse
   over it it fixed itself? I’m not sure if I remember that correctly, and
  I’m not
   sure if that could be related to what you got, because that wasn’t with
  full
   screen or the mission control screen, and I could not produce that
  consistently.
   
   
On Jun 17, 2015, at 12:25 PM, Andrew Kent andm...@indiana.edu wrote:
   
   
Good day all!
   
   
First, I just wanted to say DrRacket is *amazing* and thank all who
  have
   helped it become what it is today! I'm currently using it to work on
  Typed
   Racket and it is a godsend.
   
   
Right now, unfortunately, I am having some problems w/ DrRacket
  rendering in
   OS X -- I am getting large black areas appearing in full screen mode in
   DrRacket. They seem pretty serious/severe, and I was curious if anyone
  else has
   seen this behavior?
   
   
   
PDF w/ screenshots  some attempt to describe problem(s):
   
  https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
   
   
Steps that seem to recreate issue:
1) Open DrRacket
2) Make it full screen by clicking green button at top left of DrRacket
3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on
  touchpad) 4)
   Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
touchpad) nd
5) Repeat 3-4 a couple times (after the 2 time it seemed to
  consistently
happen on my machine)
   
   
- This worked whether or not I was plugged into the external monitor
- the snapshots reproduced the issue on were the Racket plus Tests |
  Mac OS X
   | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b) 
  version
   6.2.0.4 (20150617-97827ac)
- I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a
  early
   2013 13” MacBook Air
   
   
   
   
Best,
Andrew
  
   Additional note/update:
   When I was writing up the bug description those steps _were_ working
   consistently for me. Now, however, they do not... but somewhat
  erratically
   jumping workspaces left to right (I have Powerpoint full screened at the
  moment
   as well) mixed w/ some Mission Control access can cause it.
  
   So, I can't figure out how to do it 100% consistently, but it is
  definitely a
   reoccurring issue and sometimes I end up just having to close DrRacket
  to make
   it go away.
 
  I haven't been able to replicate the problem, but I'm also using
  Mavericks. This problem could easily be specific to Yosemite, and I'll
  check when I get back to my Yosemite machine in a couple of weeks.
 
 
 
 
 --
 [image/png Screen Shot 2015-08-18 at 4.07.23 PM.png] [~/Desktop  open] 
 [~/Temp  open]
 .

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Re: [racket-users] DrRacket rendering issues OS X

2015-08-18 Thread Jens Axel Søgaard
Apropos rendering issues on OS X. With a retina display the little dropdown
triangles in DrRacket (the one next to the delta - menu that shows
definitions) have slightly jarred edges.

/Jens Axel



2015-08-18 22:09 GMT+02:00 Andrew Kent sgt...@gmail.com:

 Just an update/bump: I'm still seeing this issue in DrRacket on the latest
 git checkouts. I went ahead replicated the issue on a friend's mac w/ OS X
 Yosemite w/ the 6.2 release as well (just to make sure I wasn't crazy or
 causing the issue on my machine).[image: Screen Shot 2015-08-18 at
 4.07.23 PM.png]


 On Wed, Jun 17, 2015 at 7:13 PM Matthew Flatt mfl...@cs.utah.edu wrote:

 At Wed, 17 Jun 2015 12:35:36 -0700 (PDT), Andrew Kent wrote:
  On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
   One data point:
   I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version
 10.9.5, and
  if I remember correctly it was a Racket plus Tests 64-bit installation.
   I tried those steps, and it worked fine, with no weird black areas,
 though I
  do remember occasionally getting similar small black areas in the past,
  covering just the tab bar or something like that, and when I moved my
 mouse
  over it it fixed itself? I’m not sure if I remember that correctly, and
 I’m not
  sure if that could be related to what you got, because that wasn’t with
 full
  screen or the mission control screen, and I could not produce that
 consistently.
  
  
   On Jun 17, 2015, at 12:25 PM, Andrew Kent andm...@indiana.edu
 wrote:
  
  
   Good day all!
  
  
   First, I just wanted to say DrRacket is *amazing* and thank all who
 have
  helped it become what it is today! I'm currently using it to work on
 Typed
  Racket and it is a godsend.
  
  
   Right now, unfortunately, I am having some problems w/ DrRacket
 rendering in
  OS X -- I am getting large black areas appearing in full screen mode in
  DrRacket. They seem pretty serious/severe, and I was curious if anyone
 else has
  seen this behavior?
  
  
  
   PDF w/ screenshots  some attempt to describe problem(s):
  
 https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
  
  
   Steps that seem to recreate issue:
   1) Open DrRacket
   2) Make it full screen by clicking green button at top left of
 DrRacket
   3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on
 touchpad) 4)
  Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
   touchpad) nd
   5) Repeat 3-4 a couple times (after the 2 time it seemed to
 consistently
   happen on my machine)
  
  
   - This worked whether or not I was plugged into the external monitor
   - the snapshots reproduced the issue on were the Racket plus Tests |
 Mac OS X
  | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b) 
 version
  6.2.0.4 (20150617-97827ac)
   - I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on
 a early
  2013 13” MacBook Air
  
  
  
  
   Best,
   Andrew
 
  Additional note/update:
  When I was writing up the bug description those steps _were_ working
  consistently for me. Now, however, they do not... but somewhat
 erratically
  jumping workspaces left to right (I have Powerpoint full screened at
 the moment
  as well) mixed w/ some Mission Control access can cause it.
 
  So, I can't figure out how to do it 100% consistently, but it is
 definitely a
  reoccurring issue and sometimes I end up just having to close DrRacket
 to make
  it go away.

 I haven't been able to replicate the problem, but I'm also using
 Mavericks. This problem could easily be specific to Yosemite, and I'll
 check when I get back to my Yosemite machine in a couple of weeks.

 --
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-- 
Jens Axel Søgaard

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Re: [racket-users] DrRacket rendering issues OS X

2015-08-18 Thread Andrew Kent
Just an update/bump: I'm still seeing this issue in DrRacket on the latest
git checkouts. I went ahead replicated the issue on a friend's mac w/ OS X
Yosemite w/ the 6.2 release as well (just to make sure I wasn't crazy or
causing the issue on my machine).[image: Screen Shot 2015-08-18 at 4.07.23
PM.png]

On Wed, Jun 17, 2015 at 7:13 PM Matthew Flatt mfl...@cs.utah.edu wrote:

 At Wed, 17 Jun 2015 12:35:36 -0700 (PDT), Andrew Kent wrote:
  On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
   One data point:
   I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version
 10.9.5, and
  if I remember correctly it was a Racket plus Tests 64-bit installation.
   I tried those steps, and it worked fine, with no weird black areas,
 though I
  do remember occasionally getting similar small black areas in the past,
  covering just the tab bar or something like that, and when I moved my
 mouse
  over it it fixed itself? I’m not sure if I remember that correctly, and
 I’m not
  sure if that could be related to what you got, because that wasn’t with
 full
  screen or the mission control screen, and I could not produce that
 consistently.
  
  
   On Jun 17, 2015, at 12:25 PM, Andrew Kent andm...@indiana.edu wrote:
  
  
   Good day all!
  
  
   First, I just wanted to say DrRacket is *amazing* and thank all who
 have
  helped it become what it is today! I'm currently using it to work on
 Typed
  Racket and it is a godsend.
  
  
   Right now, unfortunately, I am having some problems w/ DrRacket
 rendering in
  OS X -- I am getting large black areas appearing in full screen mode in
  DrRacket. They seem pretty serious/severe, and I was curious if anyone
 else has
  seen this behavior?
  
  
  
   PDF w/ screenshots  some attempt to describe problem(s):
  
 https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
  
  
   Steps that seem to recreate issue:
   1) Open DrRacket
   2) Make it full screen by clicking green button at top left of DrRacket
   3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on
 touchpad) 4)
  Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
   touchpad) nd
   5) Repeat 3-4 a couple times (after the 2 time it seemed to
 consistently
   happen on my machine)
  
  
   - This worked whether or not I was plugged into the external monitor
   - the snapshots reproduced the issue on were the Racket plus Tests |
 Mac OS X
  | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b) 
 version
  6.2.0.4 (20150617-97827ac)
   - I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a
 early
  2013 13” MacBook Air
  
  
  
  
   Best,
   Andrew
 
  Additional note/update:
  When I was writing up the bug description those steps _were_ working
  consistently for me. Now, however, they do not... but somewhat
 erratically
  jumping workspaces left to right (I have Powerpoint full screened at the
 moment
  as well) mixed w/ some Mission Control access can cause it.
 
  So, I can't figure out how to do it 100% consistently, but it is
 definitely a
  reoccurring issue and sometimes I end up just having to close DrRacket
 to make
  it go away.

 I haven't been able to replicate the problem, but I'm also using
 Mavericks. This problem could easily be specific to Yosemite, and I'll
 check when I get back to my Yosemite machine in a couple of weeks.



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Re: [racket-users] DrRacket rendering issues OS X

2015-08-18 Thread Matthew Flatt
Sorry for the long delay! I expect to get to it this week as part of my
grand tour of display issues.

At Tue, 18 Aug 2015 20:09:59 +, Andrew Kent wrote:
 Just an update/bump: I'm still seeing this issue in DrRacket on the latest
 git checkouts. I went ahead replicated the issue on a friend's mac w/ OS X
 Yosemite w/ the 6.2 release as well (just to make sure I wasn't crazy or
 causing the issue on my machine).[image: Screen Shot 2015-08-18 at 4.07.23
 PM.png]
 
 On Wed, Jun 17, 2015 at 7:13 PM Matthew Flatt mfl...@cs.utah.edu wrote:
 
  At Wed, 17 Jun 2015 12:35:36 -0700 (PDT), Andrew Kent wrote:
   On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
One data point:
I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version
  10.9.5, and
   if I remember correctly it was a Racket plus Tests 64-bit installation.
I tried those steps, and it worked fine, with no weird black areas,
  though I
   do remember occasionally getting similar small black areas in the past,
   covering just the tab bar or something like that, and when I moved my
  mouse
   over it it fixed itself? I’m not sure if I remember that correctly, and
  I’m not
   sure if that could be related to what you got, because that wasn’t with
  full
   screen or the mission control screen, and I could not produce that
  consistently.
   
   
On Jun 17, 2015, at 12:25 PM, Andrew Kent andm...@indiana.edu wrote:
   
   
Good day all!
   
   
First, I just wanted to say DrRacket is *amazing* and thank all who
  have
   helped it become what it is today! I'm currently using it to work on
  Typed
   Racket and it is a godsend.
   
   
Right now, unfortunately, I am having some problems w/ DrRacket
  rendering in
   OS X -- I am getting large black areas appearing in full screen mode in
   DrRacket. They seem pretty serious/severe, and I was curious if anyone
  else has
   seen this behavior?
   
   
   
PDF w/ screenshots  some attempt to describe problem(s):
   
  https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
   
   
Steps that seem to recreate issue:
1) Open DrRacket
2) Make it full screen by clicking green button at top left of DrRacket
3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on
  touchpad) 4)
   Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
touchpad) nd
5) Repeat 3-4 a couple times (after the 2 time it seemed to
  consistently
happen on my machine)
   
   
- This worked whether or not I was plugged into the external monitor
- the snapshots reproduced the issue on were the Racket plus Tests |
  Mac OS X
   | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b) 
  version
   6.2.0.4 (20150617-97827ac)
- I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a
  early
   2013 13” MacBook Air
   
   
   
   
Best,
Andrew
  
   Additional note/update:
   When I was writing up the bug description those steps _were_ working
   consistently for me. Now, however, they do not... but somewhat
  erratically
   jumping workspaces left to right (I have Powerpoint full screened at the
  moment
   as well) mixed w/ some Mission Control access can cause it.
  
   So, I can't figure out how to do it 100% consistently, but it is
  definitely a
   reoccurring issue and sometimes I end up just having to close DrRacket
  to make
   it go away.
 
  I haven't been able to replicate the problem, but I'm also using
  Mavericks. This problem could easily be specific to Yosemite, and I'll
  check when I get back to my Yosemite machine in a couple of weeks.
 
 
 
 
 --
 [image/png Screen Shot 2015-08-18 at 4.07.23 PM.png] [~/Desktop  open] 
 [~/Temp  open]
 .

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Re: [racket-users] DrRacket rendering issues OS X

2015-06-17 Thread Alexander D. Knauth
One data point:
I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version 10.9.5, and if 
I remember correctly it was a Racket plus Tests 64-bit installation.
I tried those steps, and it worked fine, with no weird black areas, though I do 
remember occasionally getting similar small black areas in the past, covering 
just the tab bar or something like that, and when I moved my mouse over it it 
fixed itself? I’m not sure if I remember that correctly, and I’m not sure if 
that could be related to what you got, because that wasn’t with full screen or 
the mission control screen, and I could not produce that consistently.

On Jun 17, 2015, at 12:25 PM, Andrew Kent andmk...@indiana.edu wrote:

 Good day all!
 
 First, I just wanted to say DrRacket is *amazing* and thank all who have 
 helped it become what it is today! I'm currently using it to work on Typed 
 Racket and it is a godsend.
 
 Right now, unfortunately, I am having some problems w/ DrRacket rendering in 
 OS X -- I am getting large black areas appearing in full screen mode in 
 DrRacket. They seem pretty serious/severe, and I was curious if anyone else 
 has seen this behavior?
 
 PDF w/ screenshots  some attempt to describe problem(s):
 https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
 
 Steps that seem to recreate issue:
 1) Open DrRacket
 2) Make it full screen by clicking green button at top left of DrRacket
 3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on touchpad) 4) 
 Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
 touchpad) nd
 5) Repeat 3-4 a couple times (after the 2 time it seemed to consistently
 happen on my machine)
 
 - This worked whether or not I was plugged into the external monitor
 - the snapshots reproduced the issue on were the Racket plus Tests | Mac OS X 
 | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b)  version 
 6.2.0.4 (20150617-97827ac)
 - I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a early 
 2013 13” MacBook Air
 
 
 Best,
 Andrew
 
 -- 
 You received this message because you are subscribed to the Google Groups 
 Racket Users group.
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Re: [racket-users] DrRacket rendering issues OS X

2015-06-17 Thread Andrew Kent
On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
 One data point:
 I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version 10.9.5, and 
 if I remember correctly it was a Racket plus Tests 64-bit installation.
 I tried those steps, and it worked fine, with no weird black areas, though I 
 do remember occasionally getting similar small black areas in the past, 
 covering just the tab bar or something like that, and when I moved my mouse 
 over it it fixed itself? I’m not sure if I remember that correctly, and I’m 
 not sure if that could be related to what you got, because that wasn’t with 
 full screen or the mission control screen, and I could not produce that 
 consistently.
 
 
 On Jun 17, 2015, at 12:25 PM, Andrew Kent andm...@indiana.edu wrote:
 
 
 Good day all!
 
 
 First, I just wanted to say DrRacket is *amazing* and thank all who have 
 helped it become what it is today! I'm currently using it to work on Typed 
 Racket and it is a godsend.
 
 
 Right now, unfortunately, I am having some problems w/ DrRacket rendering in 
 OS X -- I am getting large black areas appearing in full screen mode in 
 DrRacket. They seem pretty serious/severe, and I was curious if anyone else 
 has seen this behavior?
 
 
 
 PDF w/ screenshots  some attempt to describe problem(s):
 https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
 
 
 Steps that seem to recreate issue:
 1) Open DrRacket
 2) Make it full screen by clicking green button at top left of DrRacket
 3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on touchpad) 4) 
 Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
 touchpad) nd
 5) Repeat 3-4 a couple times (after the 2 time it seemed to consistently
 happen on my machine)
 
 
 - This worked whether or not I was plugged into the external monitor
 - the snapshots reproduced the issue on were the Racket plus Tests | Mac OS X 
 | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b)  version 
 6.2.0.4 (20150617-97827ac)
 - I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a early 
 2013 13” MacBook Air
 
 
 
 
 Best,
 Andrew
 
 
 
 -- 
 
 You received this message because you are subscribed to the Google Groups 
 Racket Users group.
 
 To unsubscribe from this group and stop receiving emails from it, send an 
 email to racket-users...@googlegroups.com.
 
 For more options, visit https://groups.google.com/d/optout.

Additional note/update:
When I was writing up the bug description those steps _were_ working 
consistently for me. Now, however, they do not... but somewhat erratically 
jumping workspaces left to right (I have Powerpoint full screened at the moment 
as well) mixed w/ some Mission Control access can cause it.

So, I can't figure out how to do it 100% consistently, but it is definitely a 
reoccurring issue and sometimes I end up just having to close DrRacket to make 
it go away.

-- 
You received this message because you are subscribed to the Google Groups 
Racket Users group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to racket-users+unsubscr...@googlegroups.com.
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Re: [racket-users] DrRacket rendering issues OS X

2015-06-17 Thread Matthew Flatt
At Wed, 17 Jun 2015 12:35:36 -0700 (PDT), Andrew Kent wrote:
 On Wednesday, June 17, 2015 at 3:10:51 PM UTC-4, Alex Knauth wrote:
  One data point:
  I’m using DrRacket version 6.2.0.4--2015-06-08 with OS X Version 10.9.5, 
  and 
 if I remember correctly it was a Racket plus Tests 64-bit installation.
  I tried those steps, and it worked fine, with no weird black areas, though 
  I 
 do remember occasionally getting similar small black areas in the past, 
 covering just the tab bar or something like that, and when I moved my mouse 
 over it it fixed itself? I’m not sure if I remember that correctly, and I’m 
 not 
 sure if that could be related to what you got, because that wasn’t with full 
 screen or the mission control screen, and I could not produce that 
 consistently.
  
  
  On Jun 17, 2015, at 12:25 PM, Andrew Kent andm...@indiana.edu wrote:
  
  
  Good day all!
  
  
  First, I just wanted to say DrRacket is *amazing* and thank all who have 
 helped it become what it is today! I'm currently using it to work on Typed 
 Racket and it is a godsend.
  
  
  Right now, unfortunately, I am having some problems w/ DrRacket rendering 
  in 
 OS X -- I am getting large black areas appearing in full screen mode in 
 DrRacket. They seem pretty serious/severe, and I was curious if anyone else 
 has 
 seen this behavior?
  
  
  
  PDF w/ screenshots  some attempt to describe problem(s):
  https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing
  
  
  Steps that seem to recreate issue:
  1) Open DrRacket
  2) Make it full screen by clicking green button at top left of DrRacket
  3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on touchpad) 4) 
 Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
  touchpad) nd
  5) Repeat 3-4 a couple times (after the 2 time it seemed to consistently
  happen on my machine)
  
  
  - This worked whether or not I was plugged into the external monitor
  - the snapshots reproduced the issue on were the Racket plus Tests | Mac OS 
  X 
 | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b)  version 
 6.2.0.4 (20150617-97827ac)
  - I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a 
  early 
 2013 13” MacBook Air
  
  
  
  
  Best,
  Andrew
 
 Additional note/update:
 When I was writing up the bug description those steps _were_ working 
 consistently for me. Now, however, they do not... but somewhat erratically 
 jumping workspaces left to right (I have Powerpoint full screened at the 
 moment 
 as well) mixed w/ some Mission Control access can cause it.
 
 So, I can't figure out how to do it 100% consistently, but it is definitely a 
 reoccurring issue and sometimes I end up just having to close DrRacket to 
 make 
 it go away.

I haven't been able to replicate the problem, but I'm also using
Mavericks. This problem could easily be specific to Yosemite, and I'll
check when I get back to my Yosemite machine in a couple of weeks.

-- 
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[racket-users] DrRacket rendering issues OS X

2015-06-17 Thread Andrew Kent
Good day all!

First, I just wanted to say DrRacket is *amazing* and thank all who have
helped it become what it is today! I'm currently using it to work on Typed
Racket and it is a godsend.

Right now, unfortunately, I am having some problems w/ DrRacket rendering
in OS X -- I am getting large black areas appearing in full screen mode in
DrRacket. They seem pretty serious/severe, and I was curious if anyone else
has seen this behavior?

PDF w/ screenshots  some attempt to describe problem(s):
https://drive.google.com/file/d/0B-HcU1nZPrwJWXFNbEdOV0doeUE/view?usp=sharing

Steps that seem to recreate issue:
1) Open DrRacket
2) Make it full screen by clicking green button at top left of DrRacket
3) Open OS X ‘Mission Control’ (cmd+up or 3-finger-swipe up on touchpad) 4)
Close OS X ‘Mission Control’ (cmd+down or 3-finger-swipe downon
touchpad) nd
5) Repeat 3-4 a couple times (after the 2 time it seemed to consistently
happen on my machine)

- This worked whether or not I was plugged into the external monitor
- the snapshots reproduced the issue on were the Racket plus Tests | Mac OS
X | 32-bit Intel distribution for version 6.2.0.4 (20150609-bf12a2b) 
version 6.2.0.4 (20150617-97827ac)
- I’m running the latest OS X Yosemite (Version 10.10.3 (14D136)) on a
early 2013 13” MacBook Air


Best,
Andrew

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