;;; my-tool-bar.el --- Tool bar  -*- lexical-binding: t -*-

;;; Commentary:

;;; Code:
(defun my-tool-bar-newline ()
  "Newline."
  "\n")

(defun my-tool-bar-function-save (event)
  "Pop up the same menu as displayed by the menu bar.
Used by `tab-bar-format-menu-bar'."
  (interactive "e")
  (let ()
    ;;(message "%s" event)
    (save-buffer)
    ;;(message "foo")
    ))

(defvar my-tool-bar-button-save "Save "
  "Button for going back in tab history.")

(defun my-tool-bar-function-open (event)
  "Pop up the same menu as displayed by the menu bar.
Used by `tab-bar-format-menu-bar'."
  (interactive "e")
  (let ()
    ;;(message "%s" event)
    (if (featurep 'counsel)
        (counsel-find-file)
      (find-file))
    ;;(message "foo")
    ))

(defvar my-tool-bar-button-open "Open "
  "Button for going back in tab history.")

;; (defun my-tool-bar-format-save ()
;;   "Produce the Menu button for the tool bar that shows the menu bar."
;;   `((menu-bar menu-item ,my-tool-bar-button-save
;;      my-tool-bar-function-save :help "Save buffer")))

(defun my-tool-bar-format ()
  "Produce tool-bar buttons for the tab bar.
These buttons will be shown when `my-tool-bar-mode' is enabled.
You can hide these buttons by customizing `tab-bar-format' and removing
`my-tool-bar-format' from it."
  (when my-tool-bar-mode
    `(;;(sep-history-back menu-item ,(tab-bar-separator) ignore)
      (save
       menu-item ,my-tool-bar-button-save my-tool-bar-function-save
       :help "Save")
      ;;(sep-test menu-item "" ignore)
      (open
       menu-item ,my-tool-bar-button-open my-tool-bar-function-open
       :help "Open File...")
      (sep-tool-bar menu-item ,(my-tool-bar-newline) ignore)
      )))

(defun my-tool-bar--load-buttons ()
  "Load the icons for the tool bar buttons."
  ;; (emoji "<empji>")     see e.g. https://emojipedia.org/hamburger
  ;; (symbol "<unicode>")  see e.g. https://www.compart.com/en/unicode/U+2630
  (require 'icons)
  
  (unless (iconp 'my-tool-bar-icon-save)
    (define-icon my-tool-bar-icon-save nil
      `((image "save.xpm"
               :height (1.5 . em)
               :margin ,tab-bar-button-margin
               :ascent center)
        (emoji "💾")
        (symbol "🖫")
        (text "Save"
              ;; :face tab-bar-tab-inactive
              ))
      "Icon for the menu bar."
      :version "29.1"))
  (setq my-tool-bar-button-save (icon-string 'my-tool-bar-icon-save))
  
  (unless (iconp 'my-tool-bar-icon-open)
    (define-icon my-tool-bar-icon-open nil
      `((image "open.xpm"
               :height (1.5 . em)
               :margin ,tab-bar-button-margin
               :ascent center)
        (emoji "📂")
        (symbol "🗁")
        (text "Open"
              ;; :face tab-bar-tab-inactive
              ))
      "Icon for the menu bar."
      :version "29.1"))
  (setq my-tool-bar-button-open (icon-string 'my-tool-bar-icon-open))

)

(define-minor-mode my-tool-bar-mode
  "Toggle tab history mode for the tab bar.
Tab history mode remembers window configurations used in every tab,
and can restore them."
  :global t :group 'tab-bar
  (if my-tool-bar-mode
      (progn
        (my-tool-bar--load-buttons)

        ;;(add-hook 'pre-command-hook #'tab-bar--history-pre-change)
        ;;(add-hook 'window-configuration-change-hook #'tab-bar--history-change)
        )
    ;;(remove-hook 'pre-command-hook #'tab-bar--history-pre-change)
    ;;(remove-hook 'window-configuration-change-hook #'tab-bar--history-change)
    )
  )


(provide 'my-tool-bar)
;;; my-tool-bar.el ends here