New Canvas opened as a tab of old window

ROOT
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ROOT Version: 6.08.06
Platform: macOS Mojave 10.14.6
Compiler: gcc 4.2.1

Hi, ROOT users.

When I open a new window with another window existing, it always opened as a tab of the old window. (Here “window” includes canvas, fit panel, TBrowser and so on.)
How can I open a new individual window?

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  • To open a new Canvas only: Menu File -> New Canvas
  • To open a new Browser: Menu Browser -> Browse...
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Thanks for the response.
That also creates a tab on the existing window. I want to create second window.

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We are talking about a TBrowser, right? If you follow what I said, it cannot create a new Tab in the TBrowser… How did you start the TBrowser?

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no, not only TBrowser.
For instance, if I create two TCanvas, I want ROOT to create two individual window for each TCanvas. But my ROOT create only one window with two tabs.

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I’m puzzled, can you tell me how you create your TCanvas? From The command line?, if you type:

root [0] TCanvas c1("c1", "c1")
(TCanvas &) Name: c1 Title: c1
root [1] TCanvas c2("c2", "c2")
(TCanvas &) Name: c2 Title: c2
root [2]

You have only one window with two tabs? Maybe it’s a MacOS particularity. @couet do you know how this is possible?

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In any way, ROOT just adds a tab on an existing window. From the command line, from a macro… For other instance, when I call a Fit Panel from the menu bar of the window, that is also added as a tab.
I attached a window created by the commands you wrote.

2020-07-01 16.08.52
2020-07-01 16.08.52812×655 49.9 KB

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Could it be an OS thing not coming from ROOT? This could be one thing to check:


(look for the “Merge all windows” option, or similar, and uncheck it if you have it).
1 Like
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I found the option, but that is not a permanent one. It is just an operation for the focused window.
This can be an OS problem, but this happens only at root.exe.
For additional info, I tried using ROOT at remote server (ubuntu 16 LTS) via ssh with XQuartz. Then this adding tab thing did not happen.

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Yes, for sure this is definitively not a ROOT option. At least AFAIK. Maybe @couet has an idea?

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Sorry for the late answer.
I do not know how you can create a such canvas with two tabs on Mac…
no clue …Never saw a such thing … :frowning:

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Uncle Google -> merge windows into one tabbed window

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Oh yes … “Merge All windows” in the menu bar… it works for canvases too. nice… never tried it.

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My colleague found the source. There is a setting for this sort of thing at:
Setting -> Dock -> Open document in Tab
This was set to “always”.

Sorry for make you confuse and thanks for all your help!

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