(Emacs/elisp)~Use a symbol-shorthand to lower the size of symbols in better mode line
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@@ -27,22 +27,22 @@
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;;; Code:
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(defvar better-mode-line/left-segment nil
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(defvar bml/left-segment nil
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"List of elements that are placed on the left of the mode-line")
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(defvar better-mode-line/centre-segment nil
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(defvar bml/centre-segment nil
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"List of elements that should be on the centre of the mode-line")
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(defvar better-mode-line/right-segment nil
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(defvar bml/right-segment nil
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"List of elements that should be on the right of the mode-line")
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(defconst better-mode-line/--minimum-padding 4
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(defconst bml/--minimum-padding 4
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"Minimum size of padding string.")
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(defun better-mode-line/--get-padding-size (other-size)
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(defun bml/--get-padding-size (other-size)
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"Compute length of padding to ensure string of size OTHER is on an
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extreme end to CENTRE-SEGMENT."
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(let* ((centre-size (length (format-mode-line better-mode-line/centre-segment)))
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(let* ((centre-size (length (format-mode-line bml/centre-segment)))
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(win-width (window-width))
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(margins (window-margins))
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(width (if (null (car margins))
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@@ -50,27 +50,32 @@ extreme end to CENTRE-SEGMENT."
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(+ (car margins) win-width (cdr margins)))))
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(- (floor (/ width 2)) (floor (/ centre-size 2)) other-size)))
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(defun better-mode-line/--generate-padding (segment)
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(defun bml/--generate-padding (segment)
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"Make padding string to separate center segment from SEGMENT."
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(let* ((segment-size (length (format-mode-line segment)))
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(padding-size (better-mode-line/--get-padding-size segment-size)))
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(make-string (if (< padding-size better-mode-line/--minimum-padding)
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better-mode-line/--minimum-padding
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(padding-size (bml/--get-padding-size segment-size)))
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(make-string (if (< padding-size bml/--minimum-padding)
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bml/--minimum-padding
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padding-size)
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?\s)))
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(defun better-mode-line/setup-mode-line ()
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(defun bml/setup-mode-line ()
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"Call this to setup the mode-line when:
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- first loading the package.
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- segments are updated."
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(setq-default mode-line-format
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`(,better-mode-line/left-segment
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(:eval (better-mode-line/--generate-padding
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better-mode-line/left-segment))
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,better-mode-line/centre-segment
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(:eval (better-mode-line/--generate-padding
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better-mode-line/right-segment))
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,better-mode-line/right-segment)))
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`(,bml/left-segment
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(:eval (bml/--generate-padding
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bml/left-segment))
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,bml/centre-segment
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(:eval (bml/--generate-padding
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bml/right-segment))
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,bml/right-segment)))
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(provide 'better-mode-line)
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;;; better-mode-line.el ends here
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;; Local Variables:
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;; read-symbol-shorthands: (("bml" . "better-mode-line"))
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;; End:
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