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How to implement 3-layer NSSplitView with minimum and maximum dimensions?

I want to implement a NSSplitView3x vertical (very similar to Mail.app). I'm not sure where to start. I'm sure I need to implement NSSplitViewDelegate, but I'm not sure what methods and / or their implementation.

The layout I want is as follows:

+----------+------------------+------------------------------------+
|          |                  |                                    |
|          |                  |                                    |
|          |                  |                                    |
|          |                  |                                    |
|  Pane 1  |      Pane 2      |               Pane 3               |
|          |                  |                                    |
|          |                  |                                    |
|          |                  |                                    |
|          |                  |                                    |
|          |                  |                                    |
+----------+------------------+------------------------------------+

I want to implement the following restrictions for each of the panels:

  • Panel 1: minimum 140pt. Maximum: 400pt.
  • Panel 2: minimum 250pt.
  • Panel 3: at least 400pt.

Any pointers would be much appreciated.

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4 answers

To ensure the minimum size, select the BESplitViewConstraintEnforcer utility class that we created.

: Interface Builder, , .

Screenshothot

+7

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The result

+6

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Window 
Window containerview
        Splitview
            Containerview_left | containerview_right
                                    Splitview
                                        Containerview_left | containerview_right

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         Splitview
             Containerview_ind(0)| Containerview_ind(1) | Containerview_ind(2)

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0

Xcode 8.2.1

  • Split View Controller Interface Builder.
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.

0

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