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Don't try to enable `mode-icons-mode' until a frame exists

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In order to work better with the Emacs daemon, don't try to set up
`mode-icons-mode' when no frame has been created yet.

This should prevent `mode-icons-mode' trying to figure out what height the icons
should be when we don't know what sort of font will be used yet.
This commit is contained in:
Tom Willemse 2020-09-20 13:31:42 -07:00
parent 02fa5f74db
commit 82cfba411c
1 changed files with 27 additions and 11 deletions
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38
mode-icons.el
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@ -1790,20 +1790,38 @@ When ENABLE is non-nil, enable the changes to the mode line."
(when place-eol
(setcar place-eol mode-icons--backup-eol-construct)))))
(defun mode-icons--mode-enable ()
"Set up for the command ‘mode-icons-mode’."
(add-hook 'after-change-major-mode-hook #'mode-icons-reset)
(mode-icons-fix t)
(mode-icons-set-minor-mode-icon)
(mode-icons-major-mode-icons))
(defun mode-icons--mode-enable-for-first-frame ()
"Set up for the command ‘mode-icons-mode’ and then stop it from running again.
This function should be used in the
‘server-after-make-frame-hook’ hook. It will call
‘mode-icons--mode-enable’ and then remove itself from
‘server-after-make-frame-hook’."
(mode-icons--mode-enable)
(remove-hook 'server-after-make-frame-hook #'mode-icons--mode-enable-for-first-frame))
(defun mode-icons--mode-disable ()
"Tear down for the command ‘mode-icons-mode’."
(remove-hook 'after-change-major-mode-hook #'mode-icons-reset)
(mode-icons-set-minor-mode-icon-undo)
(mode-icons-major-mode-icons-undo)
(mode-icons-fix))
;;;###autoload
(define-minor-mode mode-icons-mode
"Replace the name of the current major mode with an icon."
:global t
(if mode-icons-mode
(progn
(add-hook 'after-change-major-mode-hook #'mode-icons-reset)
(mode-icons-fix t)
(mode-icons-set-minor-mode-icon)
(mode-icons-major-mode-icons))
(remove-hook 'after-change-major-mode-hook #'mode-icons-reset)
(mode-icons-set-minor-mode-icon-undo)
(mode-icons-major-mode-icons-undo)
(mode-icons-fix)))
(if (daemonp)
(add-hook 'server-after-make-frame-hook #'mode-icons--mode-enable-for-first-frame)
(mode-icons--mode-enable))
(mode-icons--mode-disable)))
(defun mode-icons-reset-hash ()
"Reset `mode-icons-get-icon-spec' and `mode-icons-get-icon-display'."
@ -1826,8 +1844,6 @@ When ENABLE is non-nil, enable the changes to the mode line."
(with-current-buffer ,(current-buffer)
(mode-icons-set-minor-mode-icon)))))))
(add-hook 'emacs-startup-hook #'mode-icons-reset)
(defadvice isearch-mode (after mode-icons--reset-isearch-icon activate)
"Make `mode-icons' aware of icon."
(mode-icons-set-minor-mode-icon))