mirror of
https://codeberg.org/cage/tinmop/
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9895f2ef98
Swapping the position of the window to be raised with the head of the was a bad idea. Sometimes a windows could go behind the omnipresent windows (messages, thread etc.) and never shown (as covered by the others).
94 lines
2.8 KiB
Common Lisp
94 lines
2.8 KiB
Common Lisp
;; tinmop: an humble gemini and pleroma client
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;; Copyright (C) 2020 cage
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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(in-package :stack)
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(defclass stack ()
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((container
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:initform ()
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:initarg :container
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:accessor container)
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(test-fn
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:initform #'eq
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:initarg :test-fn
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:accessor test-fn)
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(key-fn
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:initform #'identity
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:initarg :key-fn
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:accessor key-fn)))
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(defmethod print-object ((object stack) stream)
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(print-unreadable-object (object stream :type t :identity nil)
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(format stream "~s" (container object))))
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(defgeneric stack-push (object val))
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(defgeneric stack-pop (object))
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(defgeneric stack-remove (object val))
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(defgeneric stack-find (object val))
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(defgeneric stack-position (object val))
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(defgeneric stack-raise-to-top (object val))
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(defgeneric stack-empty-p (object))
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(defmethod stack-push ((object stack) val)
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(with-accessors ((container container)) object
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(setf container (push val container))
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object))
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(defmethod stack-pop ((object stack))
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(with-accessors ((container container)) object
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(if (not (stack-empty-p object))
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(prog1
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(alexandria:first-elt container)
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(setf container (misc:safe-delete@ container 0)))
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nil)))
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(defmethod stack-find ((object stack) val)
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(with-accessors ((container container)
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(key-fn key-fn)
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(test-fn test-fn)) object
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(find val container :key key-fn :test test-fn)))
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(defmethod stack-position ((object stack) val)
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(with-accessors ((container container)
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(key-fn key-fn)
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(test-fn test-fn)) object
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(position val container :key key-fn :test test-fn)))
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(defmethod stack-empty-p ((object stack))
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(not (> (length (container object))
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0)))
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(defmethod stack-raise-to-top ((object stack) val)
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(with-accessors ((container container)) object
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(stack-remove object val)
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(stack-push object val)))
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(defmethod stack-remove ((object stack) val)
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(with-accessors ((container container)) object
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(when-let ((val-position (stack-position object val)))
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(setf container (misc:safe-delete@ container val-position)))
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object))
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(defmacro do-stack-element ((element stack) &body body)
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`(loop for ,element in (reverse (container ,stack)) do
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,@body))
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