… which makes me think that I need to find a similar tutorial to move away from
the deprecated ‘sys_vgui’ towards 'pdgui_vmess()’… yet as I use arrays and
other data structures in the TK, I feel it might require a full refactor...
Again pointers welcome again
> On 20 Aug 2025, at 13:34, Pierre Alexandre Tremblay <tremb...@gmail.com>
> wrote:
>
> Hello
>
> Thanks for this. Sadly, that flag stays 1 when the [pd] subpatch window
> containing my GUI is closed. I must be missing something.
>
> What is the simplest GUI source code I can read, ideally with loads of
> comments, to see the best practices? At the moment, when the subpatcher
> window is closed its ‘pdtk_canvas' is destroyed ("pd -d 5” helped a lot to
> understand the ‘dance’)…
>
> To reiterate:
> - glist_isvisible() is 0 when subpatcher is opened
> - gobj_shouldvis() is always on, subpatcher opened or not
>
> Thanks all and sorry for the newb questions!
>
>> On 20 Aug 2025, at 00:13, Miller Puckette via Pd-list <pd-list@lists.iem.at>
>> wrote:
>>
>> It's my belief that gobj_shouldvis() is true if the object should be visible
>> on the screen,
>> and that glist_isvisible() is on if the glist has actually been drawn (which
>> is not yet true
>> while the glist is first being drawn). So I think you should check
>> gobj_shouldvis() and
>> not glist_isvisible().
>>
>> cheers
>> Miller
>>
>> On 8/19/25 12:06 PM, Pierre Alexandre Tremblay wrote:
>>> Hello
>>>
>>> I am struggling with a real understanding of when to redraw my 2 flucoma
>>> GUI objects. At the moment, I get them to behave most of the time…
>>>
>>> Tldr: why is glist_isvisible 0 when a window hosting my gui is in the
>>> background at load time?
>>>
>>> Any help/good practice/tutorial welcome.
>>>
>>> p
>>>
>>> ===
>>>
>>> The long read:
>>>
>>> At the moment I check the status of glist_isvisible && gobj_shouldvis and
>>> print when both are on (&& vis flag of my own object)
>>>
>>> It works all the time, except:
>>>
>>> 1. When I load the patch saved with a [pd patcher] with the gui on (that
>>> window opens, but the gui doesn’t draw, by opposition to native ones)
>>>
>>> 2. When I close that subpatch window and reopen it, it is not drawn.
>>>
>>> 3. When I zoom in/out
>>>
>>> In both cases it calls my _draw method but the flag glist_isvisible is 0
>>> (with the added ‘fun’ of calling the draw function twice when I zoom in or
>>> out, once with the flag 1 and right after with the flag 0
>>>
>>> What have I done wrong? The source code is online, I can send a link….
>>>
>>>
>>>
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