Re: [MACTCL] "pack -in" problem

[Jim I. <ji...@ap...>]

Can somebody file a bug about this?  I don't have time to work on Tk =20
right now, but we shouldn't lose track of this.  We play some games =20
to get the scrollbar and the resize rectangle to magically line up =20
properly, and I bet we are off by a pixel somewhere in this code.  =20
Shouldn't be too hard to fix...

Jim

On Apr 18, 2005, at 12:16 PM, Michael Kirkham wrote:

>
> More minimal (trimming away as much as possible to still show the =20
> effect):
>
> frame .top
> frame .cf
> scrollbar .cf.sbarright
> text .cf.out
> pack .cf.sbarright -side right -fill y
> pack .cf.out -side right
> pack .cf -fill both -side top -in .top
> pack .top
>
> That does it for me (MacOS X 10.3.9, Tk 8.4.9).  It doesn't do it =20
> if I do either of the following:
>
> 1. Remove the -in .top on packing .cf.  (It does still do it if I =20
> remove the -in .top but change all the .cf's to .top.cf.)
>
> 2. Add -padx 1 to the pack .top, the pack .cf, or the =20
> pack .cf.sbarright.
>
> 3. Remove the -fill both on pack .cf.
>
> On Mon, 18 Apr 2005, Alastair Davies wrote:
>
>
>> Date: Mon, 18 Apr 2005 19:46:29 +0100
>> From: Alastair Davies <ala...@si...>
>> To: tc...@li...
>> Subject: RE: [MACTCL] "pack -in" problem
>>
>> Here's a cut-down script that exhibits the visual shimmer of the
>> originally-reported problem.  When created, the right-hand side of =20=

>> the
>> window is continually moving left and right, together with the =20
>> right-hand
>> side of the second text box.  The shimmer ceases as soon as the =20
>> window is
>> manually resized.
>>
>> I can type in either text box whilst the shimmer continues, and, =20
>> if I type
>> enough carriage returns to create the scrollbars, the scroll bars =20
>> appear and
>> disappear with the shimmer.
>>
>> This is with either core-8-4-branch or TOT, on MacOS X 10.2.8.  I =20
>> must
>> admit, the reason I am interested in this bug report is that I have
>> experienced it myself in our application a while back, but, since =20
>> it is easy
>> to work around, thought no more about it.
>>
>> I would be interested to know if this script reproduces the =20
>> problem on other
>> machines.
>>
>> Kind regards,
>> Alastair
>>
>>
>> proc SetBoth {a b} {
>>    .cf.sbarleft  set $a $b;
>>    .cf.sbarright set $a $b;
>> }
>>
>> proc YViewBoth {args} {
>>    set ac [llength $args];
>>    set a  [lindex $args 0]
>>    set b  [lindex $args 1]
>>    if {$ac =3D=3D 3} {
>>      set c  [lindex $args 2]
>>      .cf.inp yview $a $b $c;
>>      .cf.out yview $a $b $c;
>>    } else {
>>      .cf.inp yview $a $b;
>>      .cf.out yview $a $b;
>>    }
>> }
>>
>> frame .top
>> frame .cf
>> scrollbar .cf.sbarleft  -command {YViewBoth}
>> scrollbar .cf.sbarright -command {YViewBoth}
>> text .cf.inp  -yscrollcommand {SetBoth} \
>>        -width 30 -height 10 -relief sunken -bd 2
>> text .cf.out  -yscrollcommand {SetBoth} \
>>        -width 30 -height 10 -relief sunken -bd 2
>> pack .cf -expand 1 -fill both
>> pack .cf.sbarleft -side left -expand 0 -fill y
>> pack .cf.sbarright -side right -expand 0 -fill y
>> pack .cf.inp -side left -expand 1 -fill both
>> pack .cf.out -side right -expand 1 -fill both
>> pack .cf -side top -expand 1 -fill both -in .top
>> pack .top -expand 1 -fill both
>>
>>
>>
>> -----Original Message-----
>> From: Alastair Davies
>> Sent: 18 April 2005 09:17
>>
>> Hello Bill, Kevin, et al.
>>
>> I have run the script Bill posted at the start of this c.l.t =20
>> thread on my
>> MacOS X 10.2.8 system (without X11), using Tcl/Tk 8.4.9, about =20
>> which I can
>> make the following observations.
>>
>> I double-click the Wish Shell icon and use the "Source" menu =20
>> command to
>> source the script: the script appears to hang, as described by Bill's
>> friend.
>>
>> I launch the script and Wish together by typing "wish filename" in =20=

>> the
>> Terminal application: the script appears to run OK, after a =20
>> hiccough.  When
>> it first appears, the main window shimmers, as if it is constantly =20=

>> re-sizing
>> itself.  If I manually catch hold of the re-size handle and adjust =20=

>> its size
>> slightly, the shimmer ceases.
>>
>> In the first case, it is noticeable that the main window is also =20
>> shimmering,
>> but it is not possible to adjust the size manually, hence the =20
>> application
>> remains hung.
>>
>> Running the script on Windows XP, I can see that the scrollbars =20
>> are arranged
>> differently, and that some extra menu items are present.
>>
>> I will send these observations to mac-tcl list, in the hope of =20
>> obtaining
>> further insight.
>>
>> If I get more time to investigate, I will look more closely at the =20=

>> packing
>> of the scrollbars.
>>
>> Best wishes,
>> Alastair Davies
>>
>>
>>
>>
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>
> --
> Michael Kirkham
> www.muonics.com