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darcs-hash:20070525163159-64353-15e04204eb27aebe6c98a58c8e26b5c5d3083348
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darcs-hash:20070525214414-a5988-21fb1ba95dfae8f90cb98554bb85c6c31630aa86
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See patch "Deleting a window should not affect focus". Checks this property.
darcs-hash:20070525035432-64d90-e1b1684a128a8336c14be3479b088988a5ddbd35
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ws used by noDuplicates is actually a list of list of elements which
will pretty rarely raise any flags even if the StackSet actually does
contain duplicates. This patch concatenates ws to ensure the quickcheck
property tests accurately.
darcs-hash:20070525060842-64d90-efb031dd261cee4fdda597447036631bcce708fa
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darcs-hash:20070525153143-a5988-33dad8045cfc6cc142698a4f144ef7d19fb9055a
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This fixes a bug whereby deleting a window will first move focus to
that window before deleting it without moving focus back afterwards.
The fix generalises the remove inner function to delete a window from
the stack whether it's in focus or not. If the window is in focus,
behaviour remains as it was.
darcs-hash:20070525024118-64d90-a9f70b49186be59e62af4b11671099996c5e294f
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darcs-hash:20070523191418-a5988-3b7c62f2e5d958b5c0e863c8ea048cf593995f2a
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darcs-hash:20070522050008-ee4f8-6073519fac239b25e5e265ce3995ee75683fcb81
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darcs-hash:20070522060357-a5988-037eb7484106de44a541f21c41d15c2050e94760
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darcs-hash:20070522043844-a5988-964764300d3bae3751718d2ce9c583a2c8e710af
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darcs-hash:20070522043758-a5988-7738168ac829a9b2cf79e6866072cccde379a977
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darcs-hash:20070522043116-9c5c1-034fa6854b4ad99316fcc0f85904bec62ef1549b
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darcs-hash:20070522040228-a5988-1ae9fc6bd773b32bc4a4c43aeab556857929fef4
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darcs-hash:20070522015422-73ab9-c62473d90f0df78e23a96acec0245e9bb9c275b6
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darcs-hash:20070521234535-a5988-1f7d9a7ac5bc14119c249f640946af8e57917030
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darcs-hash:20070521232427-a5988-f7c747a1bfcc2a6ad38d5c47c3ecf195d1e4a6b5
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This is ugly right now -- I promise to clean it up later.
darcs-hash:20070521215646-a5988-dbd38c5fa2ebaac4022cdc60a3371af249c445f5
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darcs-hash:20070521194653-a5988-b6725cc0d73fc6b726dc41284eef9303a7e59a1e
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darcs-hash:20070521191900-a5988-ef2361014d1d8c27cd8c73d290cdeff13ee38df6
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darcs-hash:20070521190749-a5988-1c95a0491806b06a32e7fe8bd6bcac31ebc7ad6b
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darcs-hash:20070521190704-a5988-24dfb3b96a551ee2a27c9dd09461ddd260db8e64
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darcs-hash:20070521184504-a5988-348b1e31532e664b6ad4bbb9ed82e57b53c41417
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darcs-hash:20070521165123-a5988-02f5d32547cfd814fa615ae86c93b824e58b3a12
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darcs-hash:20070521162809-a5988-fbabe930a50582fb828cd3683167e158bec904ad
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darcs-hash:20070521152759-a5988-736e7caea5252a77bb01d7631cce0db4287ff6f2
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darcs-hash:20070521115750-9c5c1-8b6847930f5e2710d076c070db9835ab1ee3d76d
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darcs-hash:20070521055253-9c5c1-4cc51fadb10609340f798aece25097afeae92dbb
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darcs-hash:20070521040330-b9aa7-5a36f8a4f90cc4116ffa3532a14bf405bfb942bb
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darcs-hash:20070521035551-b9aa7-d33479e88029b33748dd48607b51fac22343168c
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darcs-hash:20070521025250-9c5c1-853b26cc2d30325a099abec43648417dd6c60a9e
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darcs-hash:20070520090846-9c5c1-6b99085411c441a4d8217cb6b9d18edf198bfd4e
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darcs-hash:20070521031435-b9aa7-2a3825712b36c5ef267c89286006d0ea0073c57d
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darcs-hash:20070521030253-a5988-3e4e92d04f8a4459cfb692f73ad7bda11348f9ad
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darcs-hash:20070520165741-a5988-a02abd4cb1ad1518a43c203b6b8965563b0e72a8
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In order to give a better account of how focus and master interact, and
how each operation affects focus, we reimplement the StackSet type as a
two level nested 'Zipper'. To quote Oleg:
A Zipper is essentially an `updateable' and yet pure functional
cursor into a data structure. Zipper is also a delimited
continuation reified as a data structure.
That is, we use the Zipper as a cursor which encodes the window which is
in focus. Thus our data structure tracks focus correctly by
construction! We then get simple, obvious semantics for e.g. insert, in
terms of how it affects focus/master. Our transient-messes-with-focus
bug evaporates. 'swap' becomes trivial.
By moving focus directly into the stackset, we can toss some QC
properties about focus handling: it is simply impossible now for focus
to go wrong. As a benefit, we get a dozen new QC properties for free,
governing how master and focus operate.
The encoding of focus in the data type also simplifies the focus
handling in Operations: several operations affecting focus are now
simply wrappers over StackSet.
For the full story, please read the StackSet module, and the QC
properties.
Finally, we save ~40 lines with the simplified logic in Operations.hs
For more info, see the blog post on the implementation,
http://cgi.cse.unsw.edu.au/~dons/blog/2007/05/17#xmonad_part1b_zipper
darcs-hash:20070520070053-9c5c1-241f7ee7793f5db2b9e33d375965cdc21b26cbd7
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darcs-hash:20070516054233-a5988-b71d4b13ec6dfafe367ea4a0dad0b32f0614b318
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darcs-hash:20070516031437-b9aa7-03d82cb2565a45fa0e17a34c4c20740b51ff625c
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darcs-hash:20070516014454-a5988-48a5ca0e1ee75c6636a669e28484016eecc0f2fe
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darcs-hash:20070515154011-72aca-1557c99da679a2be1e52f365f6ae72cfaf40fc87
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darcs-hash:20070512215301-72aca-59213ac37c38e57d6ffed1d518afd4729f1744c9
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darcs-hash:20070514044547-a5988-0e3c07a629fd1a28e11ee9ae1395086a5477dae2
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darcs-hash:20070510131637-72aca-2978a0234147fbb748962a27c68b797bd2e747d5
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darcs-hash:20070510032731-b9aa7-3fccb4cbb55c59636264a451c091b743c549e1f9
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darcs-hash:20070508211907-a5988-25a6a03356b3017540a53f73bc609a98938c9a9e
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darcs-hash:20070508210952-a5988-becbb2c91df5be261943aefeb50f6849fc805067
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darcs-hash:20070508204921-a5988-7397764877c6d1a4acf1c004a1486231961d67d5
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darcs-hash:20070508163822-a5988-cb12015569105b9e646a5c12fc8dc02099a4beed
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darcs-hash:20070508154621-fbc8d-8aeafa9c3c6cb40abf72a71f83c5a26d06a71501
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darcs-hash:20070508124949-fbc8d-1d778c43323434b6f286af1505b2c0489eb09ac2
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darcs-hash:20070508152449-a5988-9c8631ebe825ce20e6513f74cb776fb69e0f8509
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