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http://smalltalkhub.com/#!/~LaurentLaffont/TilingWindowManager

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On 8/24/15, Julien Delplanque <jul...@tamere.eu> wrote:
>
> On 24/08/15 20:41, Torsten Bergmann wrote:
>> Hi Julien,
>>
>> try
>>
>>   WorldMorph installNewWorld.
>>
>> which will create a new world. Open a workspace and check that it is
>> there.
>>
>>   WorldMorph allInstances
>>
>> If you click in the inspector you will see a morph representation of it -
>> so you
>> see which one is which.
>>
>> Now you have two instances of WorldMorph in your system. One is always
>> connected
>> to the global variable
>>
>>    World
>>
>> You can switch as experiment by either:
>>
>>     WorldMorph allInstances first install.
>>     Display restore
>>
>> or
>>
>>     WorldMorph allInstances last install.
>>     Display restore
>>
>> The restore is necessary to update the drawing.
>>
>> I think you get the idea from this. As I said - the pieces are there,
>> someone
>> has to connect them.
> Yes, I am exploring messages to see how to do it. I'll probably give a
> try tonight.
>
> Thanks for these code snippets anyway :)
>> You dont have to thank me - it is good that you brought this into
>> attention again
>> and if you could devote some time in helping to bring such a nice feature
>> also (back)
>> to Pharo again.
>>
>> In case of questions do not hesitate to ask on this list or the pharo-dev
>> list.
>>
>> Thanks
>> T.
>>
>>> Gesendet: Montag, 24. August 2015 um 20:31 Uhr
>>> Von: "Julien Delplanque" <jul...@tamere.eu>
>>> An: "Torsten Bergmann" <asta...@gmx.de>
>>> Cc: "Any question about pharo is welcome" <pharo-users@lists.pharo.org>,
>>> "Stéphane Ducasse" <stephane.duca...@inria.fr>, "Marcus Denker"
>>> <marcus.den...@inria.fr>, s...@clipperadams.com
>>> Betreff: Re: Multi desktops inside Pharo!
>>>
>>> Thanks a lot for all these tips :)
>>>
>>> I will update the project to match with what is really expected from a
>>> multi world utility.
>>>
>>> Thanks again for the time you take to explain me this.
>>>
>>> Regards,
>>> Julien
>>>
>>> On 24/08/15 20:24, Torsten Bergmann wrote:
>>>> Hi Julien,
>>>>
>>>> what I remember from history
>>>>
>>>>    - Jochen F. Rick had a "JRWorldManager" implemented back in 2010
>>>>         - was discusssed here
>>>> http://forum.world.st/Multiple-Worlds-was-Re-Can-I-use-Projects-in-Pharo-td2240869.html
>>>>         - code is here
>>>> http://forum.world.st/attachment/2242195/0/JRWorldManager.st (basically
>>>> something to manage the desktops)
>>>>    - then Sean picked up the idea in 2011 and implemented
>>>>         - blog post http://seandenigris.com/blog/?p=767
>>>>         - he provided "MultipleWorlds.2.cs" which I think is lost during
>>>> bugtracker transition
>>>>    - later default Pharo image was reworked for the world to have
>>>> WorldMorph instances instead of Squeaks PasteUpMorph, so
>>>>      the code of Sean and Jochen would be obsolete anyway
>>>>
>>>> Some tips:
>>>> ==========
>>>>    - Pharo has a global called "World" which is pointing to the current
>>>> world of displayed morphs, you need to
>>>>      switch this and handle/manage new Worlds = Desktops.
>>>>    - in older Pharo versions and Squeak this was a PasteUpMorph, now it
>>>> is an instance of class "WorldMorph"
>>>>    - note that there is a class side method "installNewWorld" with the
>>>> nice comment "let us play God."
>>>>    - basically you already have the parts with a DeskopManager and the
>>>> switch via keyboard, you just need
>>>>      to play with #installNewWorld and #install method of the worlds
>>>>      Note: check the comments of the class and methods in WorldMorph -
>>>> this might be subject to change
>>>>    - to get a thumbnail form of the world you can use:
>>>>
>>>>       |sizeFactor|
>>>>       sizeFactor := 0.3.
>>>>       World taskThumbnailOfSize: (Display width * sizeFactor) @ (Display
>>>> height * sizeFactor)
>>>>
>>>>    - see how the preview is handled in TaskListMorph
>>>> newPreviewMorph/updatePreview methods to get an idea
>>>>
>>>> So all the pieces of the puzzle are there - just connect them
>>>> correctly.
>>>>
>>>> Side Note: default Pharo image has the possibility to put an external
>>>> picture somewhere that is used
>>>>              by the theme as the background image. Cant remember where
>>>> it is - just browser for "background..."
>>>>              methods in the Finder. With multiple desktops I guess this
>>>> needs some love as well to have
>>>>              a backgorund per desktop.
>>>>
>>>> Hope that helps!
>>>>
>>>> Bye
>>>> Torsten
>>>>
>>>>> Gesendet: Montag, 24. August 2015 um 19:46 Uhr
>>>>> Von: "Julien Delplanque" <jul...@tamere.eu>
>>>>> An: "Torsten Bergmann" <asta...@gmx.de>, "Any question about pharo is
>>>>> welcome" <pharo-users@lists.pharo.org>, "Stéphane Ducasse"
>>>>> <stephane.duca...@inria.fr>, "Marcus Denker" <marcus.den...@inria.fr>,
>>>>> s...@clipperadams.com
>>>>> Betreff: Re: Multi desktops inside Pharo!
>>>>>
>>>>>
>>>>>
>>>>> On 24/08/15 19:32, Torsten Bergmann wrote:
>>>>>> Julien Delplanque wrote:
>>>>>>> I created a small utility that make possible to have multi desktops:
>>>>>>> https://github.com/juliendelplanque/desktopsmanager.
>>>>>> Your code works for me in Pharo 5, havent tried in Pharo 4.
>>>>>>
>>>>>> Unfortunately it does only work for Pharo "windows" but not general
>>>>>> morphs.
>>>>>> If you evaluate
>>>>>>
>>>>>>      ElipseMorph new openInWorld
>>>>>>
>>>>>> and hit CTRL+SHIFT+J you will see that the morph stays on the
>>>>>> desktop.
>>>>>> So your goodie is a "window switcher" and not a "desktop switcher".
>>>>> Yes you are right. But it is a first step, I planned to really create
>>>>> "new desktops" in the future, but for now I wrote this fast to have
>>>>> something usable.
>>>>>> I guess it would be better if you would really switch the WorldMorph
>>>>>> instance
>>>>>> referenced by the global "World" variable.
>>>>>>
>>>>>> There already was a solutions once discussed/contributed with code
>>>>>> here
>>>>>>
>>>>>>
>>>>>> http://forum.world.st/Multiple-Worlds-for-Pharo-stable-td3233552.html
>>>>>>      http://seandenigris.com/blog/?p=767
>>>>>>
>>>>>> I think it got lost in the old bugtracker. Maybe Sean (who wrote it)
>>>>>> can help here,
>>>>>> update the code and merge with yours.
>>>>> Yes I'm OK to do that. Where can I find this package?
>>>>>> Ideally such a "Switch desktop" possibility would be part of the
>>>>>> standard Pharo 5 image including a small preview of the whole desktop
>>>>>> similar to what usual operating system window manager do and the
>>>>>> possibility
>>>>>> to provide different backgrounds to the desktops.
>>>>> It would be really nice to have multiple world by default in pharo
>>>>> images :)
>>>>>> Thanks
>>>>>> Torsten
>>>>> Julien
>>>>>
>>>>>
>>>
>
>
>

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