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Fix previous fix of enlarge-/shrink-window

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* lisp/window.el (enlarge-window, shrink-window): Consistently
signal user-error instead of error.  Resize minibuffer window by
delta lines instead of pixels.  When a window cannot be resized,
signal an error only when this function was invoked by a command
in the enlarge-/shrink-window group (this restores the behavior
before the fix of bug#22723 for the non-interactive case).
This commit is contained in:
Martin Rudalics 2016-03-04 08:37:53 +01:00
parent 2e78353fab
commit 620951fe22
1 changed files with 31 additions and 16 deletions
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47
lisp/window.el
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@ -2473,8 +2473,6 @@ windows."
(when (window-right window)
(window--resize-reset-1 (window-right window) horizontal)))
;; The following routine is used to manually resize the minibuffer
;; window and is currently used, for example, by ispell.el.
(defun window--resize-mini-window (window delta)
"Resize minibuffer window WINDOW by DELTA pixels.
If WINDOW cannot be resized by DELTA pixels make it as large (or
@ -3338,34 +3336,42 @@ negative, shrink selected window by -DELTA lines or columns."
(cond
((zerop delta))
((window-size-fixed-p nil horizontal)
(error "Selected window has fixed size"))
(user-error "Selected window has fixed size"))
((window-minibuffer-p)
(if horizontal
(error "Cannot resize minibuffer window horizontally")
(window--resize-mini-window (selected-window) delta)))
(user-error "Cannot resize minibuffer window horizontally")
(window--resize-mini-window
(selected-window) (* delta (frame-char-height)))))
((and (not horizontal)
(window-full-height-p)
(eq (window-frame minibuffer-window) (selected-frame))
(not resize-mini-windows))
;; If the selected window is full height and `resize-mini-windows'
;; is nil, resize the minibuffer window.
(window--resize-mini-window minibuffer-window (- delta)))
(window--resize-mini-window
minibuffer-window (* (- delta) (frame-char-height))))
((window--resizable-p nil delta horizontal)
(window-resize nil delta horizontal))
((window--resizable-p nil delta horizontal 'preserved)
(window-resize nil delta horizontal 'preserved))
((eq this-command 'enlarge-window)
((eq this-command
(if horizontal 'enlarge-window-horizontally 'enlarge-window))
;; For backward compatibility don't signal an error unless this
;; command is `enlarge-window(-horizontally)'.
(user-error "Cannot enlarge selected window"))
(t
(error "Cannot enlarge selected window")))))
(window-resize
nil (if (> delta 0)
(window-max-delta nil horizontal)
(- (window-min-delta nil horizontal)))
horizontal)))))
(defun shrink-window (delta &optional horizontal)
"Make the selected window DELTA lines smaller.
Interactively, if no argument is given, make the selected window
one line smaller. If optional argument HORIZONTAL is non-nil,
make selected window narrower by DELTA columns. If DELTA is
negative, enlarge selected window by -DELTA lines or columns.
Also see the `window-min-height' variable."
negative, enlarge selected window by -DELTA lines or columns."
(interactive "p")
(let ((minibuffer-window (minibuffer-window)))
(when (window-preserved-size nil horizontal)
@ -3373,26 +3379,35 @@ Also see the `window-min-height' variable."
(cond
((zerop delta))
((window-size-fixed-p nil horizontal)
(error "Selected window has fixed size"))
(user-error "Selected window has fixed size"))
((window-minibuffer-p)
(if horizontal
(error "Cannot resize minibuffer window horizontally")
(window--resize-mini-window (selected-window) (- delta))))
(user-error "Cannot resize minibuffer window horizontally")
(window--resize-mini-window
(selected-window) (* (- delta) (frame-char-height)))))
((and (not horizontal)
(window-full-height-p)
(eq (window-frame minibuffer-window) (selected-frame))
(not resize-mini-windows))
;; If the selected window is full height and `resize-mini-windows'
;; is nil, resize the minibuffer window.
(window--resize-mini-window minibuffer-window delta))
(window--resize-mini-window
minibuffer-window (* delta (frame-char-height))))
((window--resizable-p nil (- delta) horizontal)
(window-resize nil (- delta) horizontal))
((window--resizable-p nil (- delta) horizontal 'preserved)
(window-resize nil (- delta) horizontal 'preserved))
((eq this-command 'shrink-window)
((eq this-command
(if horizontal 'shrink-window-horizontally 'shrink-window))
;; For backward compatibility don't signal an error unless this
;; command is `shrink-window(-horizontally)'.
(user-error "Cannot shrink selected window"))
(t
(error "Cannot shrink selected window")))))
(window-resize
nil (if (> delta 0)
(- (window-min-delta nil horizontal))
(window-max-delta nil horizontal))
horizontal)))))
(defun maximize-window (&optional window)
"Maximize WINDOW.