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Initial implementation of customizable headers

This commit is contained in:
Clément Pit--Claudel 2015-12-15 07:57:51 -05:00
parent d17c2a7012
commit e19658c9aa
1 changed files with 63 additions and 41 deletions
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50
mu4e/mu4e-headers.el
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@ -461,12 +461,8 @@ found."
(mu4e-error "no :function defined for field %S %S" field (cdr item)))))
(funcall func msg)))
(defun mu4e~headers-field-handler (f-w msg)
"Create a description of the field of MSG described by F-W."
(let* ((field (car f-w))
(width (cdr f-w))
(val (mu4e-message-field msg (car f-w))) (str)
(str (case field
(defun mu4e~headers-field-apply-basic-properties (msg field val width)
(case field
(:subject
(concat ;; prefix subject with a thread indicator
(mu4e~headers-thread-prefix (mu4e-message-field msg :thread))
@ -490,14 +486,34 @@ found."
'help-echo (format "%S" val)))
(:tags (propertize (mapconcat 'identity val ", ")))
(:size (mu4e-display-size val))
(t (mu4e~headers-custom-field msg field)))))
(if width
(truncate-string-to-width str width 0 ?\s t)
str)))
(t (mu4e~headers-custom-field msg field))))
(defun mu4e~headers-apply-flag-face (line flags)
(defun mu4e~headers-field-truncate-to-width (_msg _field val width)
"Truncate VAL to WIDTH."
(if width
(truncate-string-to-width val width 0 ?\s t)
val))
(defvar mu4e~headers-field-handler-functions
'(mu4e~headers-field-apply-basic-properties
mu4e~headers-field-truncate-to-width))
(defun mu4e~headers-field-handler (f-w msg)
"Create a description of the field of MSG described by F-W."
(let* ((field (car f-w))
(width (cdr f-w))
(val (mu4e-message-field msg (car f-w))))
(dolist (func mu4e~headers-field-handler-functions)
(setq val (funcall func msg field val width)))
val))
(defvar mu4e~headers-line-handler-functions
'(mu4e~headers-line-apply-flag-face))
(defun mu4e~headers-line-apply-flag-face (msg line)
"Adjust LINE's face property based on FLAGS."
(let ((face (cond
(let* ((flags (mu4e-message-field msg :flags))
(face (cond
((memq 'trashed flags) 'mu4e-trashed-face)
((memq 'draft flags) 'mu4e-draft-face)
((or (memq 'unread flags) (memq 'new flags))
@ -506,7 +522,13 @@ found."
((memq 'replied flags) 'mu4e-replied-face)
((memq 'passed flags) 'mu4e-forwarded-face)
(t 'mu4e-header-face))))
(add-face-text-property 0 (length line) face t line)))
(add-face-text-property 0 (length line) face t line)
line))
(defun mu4e~headers-line-handler (msg line)
(dolist (func mu4e~headers-line-handler-functions)
(setq line (funcall func msg line)))
line)
;; note: this function is very performance-sensitive
(defun mu4e~headers-header-handler (msg &optional point)
@ -516,7 +538,7 @@ if provided, or at the end of the buffer otherwise."
(line (mapconcat (lambda (f-w)
(mu4e~headers-field-handler f-w msg))
mu4e-headers-fields " ")))
(mu4e~headers-apply-flag-face line (mu4e-message-field msg :flags))
(setq line (mu4e~headers-line-handler msg line))
(mu4e~headers-add-header line docid point msg)))
(defconst mu4e~no-matches "No matching messages found")