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core: update LV with last version from Hydra

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This commit is contained in:
syl20bnr 2015-10-18 23:31:57 -04:00
parent a90df74e1b
commit 4326ca9534
1 changed files with 58 additions and 17 deletions
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75
core/libs/corelv.el
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@ -33,6 +33,24 @@
;;; Code:
(defgroup corelv nil
"The other echo area."
:group 'minibuffer
:group 'hydra)
(defcustom corelv-use-separator nil
"Whether to draw a line between the LV window and the Echo Area."
:group 'corelv
:type 'boolean)
(defface corelv-separator
'((((class color) (background light)) :background "grey80")
(((class color) (background dark)) :background "grey30"))
"Face used to draw line between the corelv window and the echo area.
This is only used if option `corelv-use-separator' is non-nil.
Only the background color is significant."
:group 'corelv)
(defvar corelv-wnd nil
"Holds the current LV window.")
@ -44,32 +62,55 @@
buf)
(prog1 (setq corelv-wnd
(select-window
(split-window
(frame-root-window) -1 'below)))
(let ((ignore-window-parameters t))
(split-window
(frame-root-window) -1 'below))))
(if (setq buf (get-buffer "*LV*"))
(switch-to-buffer buf)
(switch-to-buffer "*LV*")
(setq truncate-lines nil)
(set-window-hscroll corelv-wnd 0)
(setq window-size-fixed t)
(setq mode-line-format nil)
(setq cursor-type nil)
(set-window-dedicated-p corelv-wnd t))
(set-window-dedicated-p corelv-wnd t)
(set-window-parameter corelv-wnd 'no-other-window t))
(select-window ori)))))
(defvar golden-ratio-mode)
(defvar corelv-force-update nil
"When non-nil, `corelv-message' will refresh even for the same string.")
(defun corelv-message (format-string &rest args)
"Set LV window contents to (`format' FORMAT-STRING ARGS)."
(let ((ori (selected-window))
(str (apply #'format format-string args))
(golden-ratio (when (boundp 'golden-ratio-mode) golden-ratio-mode))
deactivate-mark)
(when (bound-and-true-p golden-ratio-mode) (golden-ratio-mode -1))
(select-window (corelv-window))
(when golden-ratio (golden-ratio-mode))
(unless (string= (buffer-string) str)
(delete-region (point-min) (point-max))
(insert str)
(fit-window-to-buffer nil nil 1))
(goto-char (point-min)) (end-of-line)
(select-window ori)))
(let* ((str (apply #'format format-string args))
(n-lines (cl-count ?\n str))
deactivate-mark
golden-ratio-mode)
(with-selected-window (corelv-window)
(unless (and (string= (buffer-string) str)
(null corelv-force-update))
(delete-region (point-min) (point-max))
(insert str)
(when (and (window-system) corelv-use-separator)
(unless (looking-back "\n" nil)
(insert "\n"))
(insert
(propertize "__" 'face 'corelv-separator 'display '(space :height (1)))
(propertize "\n" 'face 'corelv-separator 'line-height t)))
(setq-local window-min-height n-lines)
(setq truncate-lines (> n-lines 1))
(let ((window-resize-pixelwise t)
(window-size-fixed nil))
(fit-window-to-buffer nil nil 1)))
(goto-char (point-min)))))
(defun corelv-delete-window ()
"Delete LV window and kill its buffer."
(when (window-live-p corelv-wnd)
(let ((buf (window-buffer corelv-wnd)))
(delete-window corelv-wnd)
(kill-buffer buf))))
(provide 'corelv)