New icon indicates file is locked by another user.

This commit is contained in:
Matthew L. Fidler 2016-03-02 00:16:49 -06:00
parent b21c70f0e3
commit 12587ae51d
2 changed files with 77 additions and 44 deletions

View file

@ -8,6 +8,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
### Added
- Icon for files modified outside emacs (from Font Awesome).
- Icon for files that are being modified by another user (from Font Awesome).
## [0.3.0]

View file

@ -209,6 +209,7 @@ This was stole/modified from `c-save-buffer-state'"
(save #xf0c7 FontAwesome)
(saved "" nil)
(modified-outside #xf071 FontAwesome)
(steal #xf21b FontAwesome)
(apple #xf179 FontAwesome)
(win #xf17a FontAwesome)
;; FIXME: use lsb_release to determine Linux variant and choose appropriate icon
@ -235,6 +236,7 @@ without the extension. And the third being the type of icon."
(const :tag "Saved" saved)
(const :tag "Save" save)
(const :tag "Modified Outside Emacs" modified-outside)
(const :tag "Locked By Someone Else" steal)
(const :tag "Apple" apple)
(const :tag "Windows" win)
(const :tag "Unix" unix))
@ -307,38 +309,59 @@ the icon."
'local-map
'(keymap
(mode-line keymap
(mouse-1 . mode-icons-save-or-revert-buffer)
(mouse-1 . mode-icons-save-steal-or-revert-buffer)
(mouse-3 . mode-line-toggle-modified)))
'help-echo 'mode-icons-modified-help-echo)
"List of text propeties to apply to read-only buffer indicator."
:type '(repeat sexp)
:group 'mode-icons)
(defun mode-icons-save-or-revert-buffer (event)
(defun mode-icons-ask-user-about-lock (_file _other-user)
"Automatically steals lock."
t)
(defun mode-icons-save-steal-or-revert-buffer (event)
"Save buffer OR revert file from mode line.
Use EVENT to determine location."
(interactive "e")
(with-selected-window (posn-window (event-start event))
(if (not (or (and (buffer-file-name) (file-remote-p buffer-file-name))
(verify-visited-file-modtime (current-buffer))))
(revert-buffer t t)
(call-interactively (key-binding (where-is-internal 'save-buffer global-map t))))
(let* ((bfn (buffer-file-name))
(revert-p (not (or (and bfn (file-remote-p buffer-file-name))
(verify-visited-file-modtime (current-buffer)))))
(steal-p (and (not (or (and bfn (file-remote-p buffer-file-name))
(member (file-locked-p bfn) '(nil t)))))))
(cond
(revert-p (revert-buffer t t))
(steal-p
(message "To steal or ignore lock, start editing the file."))
(t (call-interactively (key-binding (where-is-internal 'save-buffer global-map t))))))
(force-mode-line-update)))
(defun mode-icons-modified-help-echo (window _object _point)
"Return help text specifying WINDOW's buffer modification status."
(format "Buffer is %s\nmouse-1: %s Buffer\nmouse-3: Toggle modification state"
(cond
((not (or (and (buffer-file-name) (file-remote-p buffer-file-name))
(verify-visited-file-modtime (current-buffer))))
"modified outside of emacs!")
((buffer-modified-p (window-buffer window))
"modified")
(t "unmodified"))
(if (not (or (and (buffer-file-name) (file-remote-p buffer-file-name))
(verify-visited-file-modtime (current-buffer))))
"Revert"
"Save")))
(let* ((bfn (buffer-file-name))
(revert-p (not (or (and bfn (file-remote-p buffer-file-name))
(verify-visited-file-modtime (current-buffer)))))
(steal-p (and (not (or (and bfn (file-remote-p buffer-file-name))
(member (file-locked-p bfn) '(nil t))))))
(mod-p (buffer-modified-p (window-buffer window))))
(format "Buffer is %s\nmouse-1: %s Buffer\nmouse-3: Toggle modification state"
(cond
(steal-p
"locked for editing by another user.")
(revert-p
"modified outside of emacs!")
((buffer-modified-p (window-buffer window))
"modified")
(t "unmodified"))
(cond
(steal-p
"Echo about lock status of")
(revert-p
"Revert")
(mod-p
"Save")
(t "")))))
(defcustom mode-icons-read-only-text-properties
'('mouse-face 'mode-line-highlight 'local-map
@ -396,8 +419,7 @@ everywhere else."
MODE should be a string, the name of the mode to propertize.
ICON-SPEC should be a specification from `mode-icons'."
(mode-icons-save-buffer-state ;; Otherwise may cause issues with trasient mark mode
(let (tmp)
(cond
(cond
((and (stringp mode) (get-text-property 0 'mode-icons-p mode))
mode)
((not (nth 1 icon-spec))
@ -419,7 +441,7 @@ ICON-SPEC should be a specification from `mode-icons'."
(nth 1 icon-spec)))
(put-text-property (point-min) (point-max) 'mode-icons-p t)
(buffer-string)))
(t (propertize (format "%s" mode) 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec)) 'mode-icons-p t))))))
(t (propertize (format "%s" mode) 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec)) 'mode-icons-p t)))))
(defun mode-icons-get-icon-spec (mode)
"Get icon spec for MODE based on regular expression."
@ -574,29 +596,39 @@ ICON-SPEC should be a specification from `mode-icons'."
(defun mode-icons--modified-status ()
"Get modified status icon."
(eval `(propertize
,(let ((mod (or (and (not (or (and (buffer-file-name) (file-remote-p buffer-file-name))
(verify-visited-file-modtime (current-buffer))))
"!")
(format-mode-line "%1+")))
icon-spec)
(setq mod (or (cond
((char-equal ?! (aref mod 0))
(if (setq icon-spec (mode-icons-get-icon-spec 'modified-outside))
(mode-icons-propertize-mode 'modified-outside icon-spec)
mod))
((char-equal ?* (aref mod 0))
(if (setq icon-spec (mode-icons-get-icon-spec 'save))
(mode-icons-propertize-mode 'save icon-spec)
mod))
(t
(if (setq icon-spec (mode-icons-get-icon-spec 'saved))
(mode-icons-propertize-mode 'saved icon-spec)
mod)))
""))
(when (and mode-icons-modified-status-space
(not (string= mod "")))
(setq mod (concat mod " ")))
mod)
,(or (ignore-errors
(let* ((bfn (buffer-file-name))
(nice-file-p (and (file-remote-p bfn)))
(mod (or (and (not (or nice-file-p (verify-visited-file-modtime (current-buffer))))
"!")
(and (not (or nice-file-p (member (file-locked-p bfn) '(nil t))))
"s")
(format-mode-line "%1+")))
icon-spec)
(setq mod (or (cond
((not (stringp mod)) "")
((char-equal ?s (aref mod 0))
(if (setq icon-spec (mode-icons-get-icon-spec 'steal))
(mode-icons-propertize-mode 'steal icon-spec)
mod))
((char-equal ?! (aref mod 0))
(if (setq icon-spec (mode-icons-get-icon-spec 'modified-outside))
(mode-icons-propertize-mode 'modified-outside icon-spec)
mod))
((char-equal ?* (aref mod 0))
(if (setq icon-spec (mode-icons-get-icon-spec 'save))
(mode-icons-propertize-mode 'save icon-spec)
mod))
(t
(if (setq icon-spec (mode-icons-get-icon-spec 'saved))
(mode-icons-propertize-mode 'saved icon-spec)
mod)))
""))
(when (and mode-icons-modified-status-space
(stringp mod)
(not (string= mod "")))
(setq mod (concat mod " ")))
mod)) "")
,@mode-icons-modified-text-properties)))
;; Based on rich-minority by Artur Malabarba