[Lazarus] Form resize to standard size in IDE.

[zeljko]

On 05/07/2017 02:24 PM, Michael Van Canneyt wrote:
>
>
> On Sun, 7 May 2017, zeljko wrote:
>
>> On 05/07/2017 12:02 PM, Michael Van Canneyt via Lazarus wrote:
>>>
>>> Hi,
>>>
>>> Another oddity in the IDE designer.
>>>
>>> I have a form which contains some group boxes, radio buttons and a
>>> buttonpanel.
>>> Bordertstyle is bsDialog. No special properties regarding autosize or
>>> whatsoever have been set.
>>>
>>> When I switch (using F12) between source and form, it *always*
>>> resizes to
>>> some seemingly standard size and I need to fix the size.
>>>
>>> The form just contains the following:
>>>   Height = 279
>>>   Top = 218
>>>   Width = 443
>>>   BorderStyle = bsDialog
>>>   Caption = 'Resize Selected elements'
>>>   ClientHeight = 279
>>>   ClientWidth = 443
>>>   Position = poOwnerFormCenter
>>>   LCLVersion = '1.9.0.0'
>>>
>>> I have attached it for reference.
>>>
>>> I suspect the scaling and high-dpi is at work here: I have a
>>> dual-monitor system, with xinerama.
>>> To test that hypothesis, I tried to set scaled to false, but it doesn't
>>> help.
>>>
>>> Also: When the form designer is active, and I press save, the form is
>>> marked 'dirty'
>>> (i.e. not saved!)
>>>
>>> Anything I can do to help to diagnose the issue ?
>>
>> If you suspect on HiDPI then you should disable scaling at application
>> level (lazaruside) via Application.Scaled := False (or similar prop
>> name) . In that case TCustomForm.Scaled should not be taken into
>> account in any case.
>
> Is there a command-line option for the IDE to disable this ? It seems
> silly to me that I would have to modify the IDE sources every time I do
> a SVN update?

AFAIK not.

>
>> Second thing: I assume that you're using Gtk2 ide. What is
>> windowmanager ? Does it run compositing ?
>
> I don't know. I use a standard Linux Mint using Cinnamon desktop.

Then compositing is on, and that's probably cause of problems.

zeljko