mirror of https://codeberg.org/cage/tinmop/
151 lines
6.9 KiB
Common Lisp
151 lines
6.9 KiB
Common Lisp
;; tinmop: a multiprotocol client
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;; Copyright © 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 :keybindings-window)
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(defclass keybindings-window (suggestions-window tree-holder)
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((keybindings-tree
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:initform nil
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:initarg :keybindings-tree
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:accessor keybindings-tree
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:documentation "The keymap"))
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(:documentation "A window that suggests next keys in a keymap"))
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(defmethod refresh-config :after ((object keybindings-window))
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(with-croatoan-window (croatoan-window object)
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(refresh-config-colors object swconf:+key-keybindings-window+)
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(refresh-config-sizes object swconf:+key-keybindings-window+)
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(let ((y (- (win-height *main-window*)
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(win-height object)
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+command-window-height+)))
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(win-move object 0 y))))
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(defmethod calculate ((object keybindings-window) dt)
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(declare (ignore object dt)))
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(defun print-suggestion-tree (window)
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"Print a text representation of a tree in `window'"
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(with-accessors ((keybindings-tree keybindings-tree)
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(paginated-info paginated-info)
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(current-page current-page)) window
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(when-window-shown (window)
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(win-clear window)
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(win-box window)
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(when paginated-info
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(loop
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for line in (elt paginated-info current-page)
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for row-count from 1 do
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(loop
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for block in line
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with x = 1 do
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(print-text window block x row-count)
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(incf x (text-length block))))))))
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(defmethod draw :after ((object keybindings-window))
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(labels ((column-size (column)
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(let ((line (first column)))
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(loop for block in line sum (text-length block)))))
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(with-accessors ((keybindings-tree keybindings-tree)
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(paginated-info paginated-info)
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(current-page current-page)) object
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(when-window-shown (object)
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(win-clear object)
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(win-box object)
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(when paginated-info
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(loop
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for column in (elt paginated-info current-page)
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with column-count = 1
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do
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(let ((column-size (column-size column)))
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(loop
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for row in column
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with row-count = 1 do
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(loop
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for block in row
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with x = 1 do
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(print-text object block (+ x column-count) row-count)
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(incf x (text-length block)))
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(incf row-count))
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(incf column-count column-size)))
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(draw-pagination-info object))
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(win-refresh object)))))
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(defun build-data-for-print (data)
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(keybindings:humanize-key data))
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(defun build-tree-batches (window tree)
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"Split the tree in column to fit the window height and pages to fit window width"
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(with-accessors ((render-arrow-value render-arrow-value)
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(render-leaf-value render-leaf-value)
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(render-branch-value render-branch-value)
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(render-spacer-value render-spacer-value)
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(render-vertical-line-value render-vertical-line-value)) window
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(when-let* ((tree-lines (tree->annotated-lines tree
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:print-data-fn #'build-data-for-print
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:arrow-char render-arrow-value
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:spacer-child render-spacer-value
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:child-char render-branch-value
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:line-char render-vertical-line-value
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:last-child-char render-leaf-value
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:print-data t))
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(batches (handler-bind ((conditions:out-of-bounds
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(lambda (e)
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(declare (ignore e))
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(invoke-restart 'truncate))))
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(text-utils:box-fit-multiple-column-annotated tree-lines
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(- (win-width window) 2)
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(- (win-height window)
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+box-height-diff+)))))
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(with-accessors ((tree-color-map tree-color-map)) window
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(let ((colorized-batches (loop for batch in batches collect
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(loop for column in batch collect
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(loop for line in column collect
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(colorize-tree-line line
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tree-color-map))))))
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colorized-batches)))))
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(defmethod update-suggestions ((object keybindings-window) hint
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&key
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(tree nil)
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&allow-other-keys)
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"Expand the keybinding tree starting from node `hint' in slot `keybindings-tree'.
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if tree is nil set the slot `keybindings-tree' to `tree'.
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"
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(with-accessors ((keybindings-tree keybindings-tree)
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(paginated-info paginated-info)
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(current-page current-page)) object
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(when tree
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(setf keybindings-tree tree))
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(when hint
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(let ((res (find-keymap-node hint keybindings-tree)))
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(when (typep res 'mtree:m-tree)
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(setf keybindings-tree res)
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(when-let* ((paginated (build-tree-batches object keybindings-tree)))
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(setf paginated-info paginated)
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(setf current-page 0)))
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res))))
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(defun init ()
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"Initialize the window"
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(let* ((low-level-window (make-croatoan-window :border t))
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(high-level-window (make-instance 'keybindings-window
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:key-config swconf:+key-keybindings-window+
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:croatoan-window low-level-window)))
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(refresh-config high-level-window)
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(win-hide high-level-window)
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high-level-window))
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