Problems with Multiple Monitors

[Roger Guay]

Gabe, before delving deeply into your message, are you saying that my script does not work for you?

Roger

> On May 6, 2021, at 9:56 AM, Gabe J via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Also, the point of my previous email is that stack "revMenubar" seems to
> move around sometimes when you change multi-monitor configurations on Mac,
> which sets up the conditions for this issue.
> 
> Gabe
> 
> On Thu, May 6, 2021 at 11:52 AM Gabe J <gwjapp at gmail.com> wrote:
> 
>> I've discovered that LiveCode (at least LC 9.6.1) seems to force the
>> reported top of a manually-moved stack to be the bottom of stack
>> "revMenubar" + 20, if the stack is overlapping revMenubar (even if
>> revMenubar is not visible), even if the visual top of the stack is higher
>> than that. All mouse clicks will be vertically off by whatever offset there
>> is between the bottom of stack "revMenubar" + 20 and the visual top of the
>> overlapping, manually-moved stack.
>> 
>> For example, if you were to run this:
>> 
>>    set the bottom of stack "revMenubar" to 200
>> 
>> And then move a stack so that it overlaps revMenubar (manually moving the
>> stack seems to possibly be a necessary step), if you run "put the top of
>> ..." for that overlapping stack, it will be 220, even if it is visually
>> above 220, and mouse clicks in the stack will also be vertically off.
>> 
>> If I set the position of stack "revMenubar" so that its bottom is above
>> the highest working screenRect's top + 20 (or whatever the height of the
>> window's title bars are?), this issue can be avoided. I have made a handler
>> which does this when the screenRects change.
>> 
>> I ran into another potential bug where the bottom of a stack couldn't be
>> positioned in a certain area without it also reporting the top/mouseclicks
>> incorrectly on a second screen above my laptop's screen, but I haven't
>> figured out why that is, yet.
>> 
>> Gabe
>> 
>> 
>> On Thu, May 6, 2021 at 9:58 AM Roger Guay via use-livecode <
>> use-livecode at lists.runrev.com> wrote:
>> 
>>> Hi Fred et al,
>>> 
>>> I use the following script to switch the monitor I wish to use for the
>>> revmenubar and revTools and then position pallets like my own rTools and
>>> tmAlign3. It is working quite nicely for me with my external monitor
>>> positioned above my MBP and “Displays have separate spaces” unchecked.
>>> 
>>> 
>>> on mouseUp
>>> 
>>> put the screenrects into tsr
>>> 
>>>        if the number of lines of tsr = 2 then
>>> 
>>>                if the left of stack revmenubar = item 1 of tsr then
>>> 
>>>                        set the left of stack revmenubar to item 1 of
>>> line 2 of tsr
>>> 
>>>                        set the top of stack revmenubar to item 2 of line
>>> 2 of tsr + 25
>>> 
>>>                else
>>> 
>>>                        set the left of stack revmenubar to item 1 of tsr
>>> 
>>>                        set the top of stack revmenubar to item 2 of tsr
>>> + 25
>>> 
>>>                end if
>>> 
>>>        end if
>>> 
>>>        positionPalletes
>>> 
>>>        pass mouseUp
>>> 
>>> end mouseUp
>>> 
>>> 
>>> on positionPalletes
>>> 
>>>        set the top of stack revtools to the bottom of stack revMenuBar +
>>> 20
>>> 
>>>        set the left of stack revTools to the left of stack revmenubar
>>> 
>>>        set the top of stack rtools to the bottom of stack revMenuBar + 20
>>> 
>>>        set the left of stack rTools to the right of stack revtools
>>> 
>>>        set the left of stack tmAlign3 to the right of stack revMenubar
>>> 
>>>        set the top of stack tmAlign3 to the top of stack revMenubar
>>> 
>>> end positionPalletes
>>> 
>>> 
>>> 
>>> HTH,
>>> Roger
>>> 
>>> 
>>> 
>>>> On May 6, 2021, at 1:41 AM, Fred Moyer via use-livecode <
>>> use-livecode at lists.runrev.com> wrote:
>>>> 
>>>> 
>>>> 
>>>>> On May 4, 2021, at 5:32 PM, Fred Moyer <fmoyer at aol.com> wrote:
>>>>> 
>>>>> Anyone having problems with multiple monitors and LC? I’m running
>>> 9.6.1 - Mac. I have a feeling LC is confused because I like to connect and
>>> disconnect monitors from my MacBook Pro. (Even the MacOS sometimes gets
>>> confused.) But now LC is doing crazy things — even when no external
>>> monitors are connected. I’ll move the mouse to the top of a stack window,
>>> and ask for the Mouseloc and it will return something like "100,-60”. If I
>>> click a button in the middle of the stack, the click will register in an
>>> object the 60 pixels above that. It’s not always 60 — the wrongness changed
>>> as I move the stack around. Other times it works fine. I can’t find a
>>> pattern to set it off.
>>>>> 
>>>>> Any suggestions?
>>>>> Thanks.
>>>>> 
>>>>> Fred
>>>>> 
>>>>> 
>>>> 
>>>> Thanks everyone for the interesting replies. I learned a lot
>>> (“desktopChanged", "the working screenrects,” difference between "the
>>> screenrect" and "the screenrects," etc.) I have a hunch, though, my problem
>>> may relate to stack RevMenubar and some accommodation the IDE makes for
>>> “the mouseV” depending on whether RevMenubar is showing or whether you have
>>> your own menubar or whether that screen has a menubar in it  —  I dunno.
>>> I’ve never understood how this works. I notice sometimes, though, when I
>>> turn on Toolbar Text, it shows up about 100 or 200 pixels down.
>>>> 
>>>> Fred
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>> 
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