2024-01-28 08:06:40 +00:00
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#+title: Groups and Placement
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2024-01-28 04:31:58 +00:00
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#+setupfile: ../headers
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#+property: header-args:emacs-lisp :tangle no :exports results :cache yes :noweb yes
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2024-01-28 08:06:40 +00:00
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* Groups and Placement
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2024-01-28 04:31:58 +00:00
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** Groups and Placement
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:PROPERTIES:
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:header-args:lisp: :mkdirp yes :tangle ~/.stumpwm.d/placement.lisp :noweb yes
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:END:
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I don’t need many groups, rarely more than five. Hence, here are my
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five default groups.
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#+name: list-groups
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#+caption: Five default groups for my StumpWM setup
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| Groups | Number | Type |
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|---------+--------+--------|
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| [EMACS] | 1 | Tiling |
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| [TERM] | 2 | Tiling |
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| [WWW] | 3 | Tiling |
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| [PRIV] | 4 | Tiling |
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| [FILES] | 5 | Tiling |
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#+name: gen-groups
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#+header: :exports none
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#+begin_src emacs-lisp :var groups=list-groups
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(let ((make-group (lambda (group &optional first-p)
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(let ((group-name (car group))
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(group-type (nth 2 group)))
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(format "%S" `(,(if first-p 'grename
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(pcase group-type
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("Dynamic" 'gnewbg-dynamic)
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("Floating" 'gnewbg-float)
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(otherwise 'gnewbg)))
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,group-name))))))
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(string-join `(,(funcall make-group (car groups) t)
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,@(mapcar (lambda (group)
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(funcall make-group group))
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(cdr groups)))
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"\n"))
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#+end_src
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#+RESULTS[4dad230a37c25af58c4f38eef1dd4f762b295f71]: gen-groups
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: (grename "[EMACS]")
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: (gnewbg "[TERM]")
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: (gnewbg "[WWW]")
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: (gnewbg "[PRIV]")
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: (gnewbg "[FILES]")
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Groups are specified this way:
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#+begin_src lisp
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(when *initializing*
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<<gen-groups()>>)
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#+end_src
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By default, if nothing is specified as per the group type, my groups
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are manual tiling groups. Otherwise, as you can see above, they can
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also be dynamic tiling groups or floating groups.
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Next, let’s make sure no previous window placement rule is in place,
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this will avoid unexpected and hard-to-debug behaviour.
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#+begin_src lisp
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(clear-window-placement-rules)
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#+end_src
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#+name: gen-rules
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#+header: :wrap src lisp
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#+begin_src emacs-lisp :var rules=list-groups
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(require 'seq)
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(let ((output "")
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(rules (seq-filter (lambda (rule) rule)
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(mapcar (lambda (line)
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(let ((classes (caddr line)))
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(unless (string= "" classes)
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(cons
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(split-string classes "," t "[[:space:]]*")
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(car line)))))
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rules))))
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(progn
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(seq-do (lambda (rule)
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(let ((classes (car rule))
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(group (cdr rule)))
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(dolist (class classes)
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(setf output (format "%s\n%s"
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`(define-frame-preference ,(format "\"%s\"" group)
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(nil t t :class ,(format "\"%s\"" class)))
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output)))))
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rules)
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output))
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#+end_src
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Dynamic groups, if any is created, should have a split ratio of half
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of the available space.
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#+begin_src lisp
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(setf *dynamic-group-master-split-ratio* 1/2)
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#+end_src
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