diff options
| -rw-r--r-- | lisp/window.el | 51 |
1 files changed, 16 insertions, 35 deletions
diff --git a/lisp/window.el b/lisp/window.el index 20c662c23fc..bc0ccd72a0b 100644 --- a/lisp/window.el +++ b/lisp/window.el @@ -1514,21 +1514,11 @@ Emacs won't change the size of any window displaying that buffer, unless it has no other choice (like when deleting a neighboring window).") -(defun window--preservable-size (window &optional horizontal) - "Return height of WINDOW as `window-preserve-size' would preserve it. -Optional argument HORIZONTAL non-nil means to return the width of -WINDOW as `window-preserve-size' would preserve it." - (if horizontal - (window-body-width window t) - (+ (window-body-height window t) - (window-header-line-height window) - (window-mode-line-height window)))) - (defun window-preserve-size (&optional window horizontal preserve) - "Preserve height of window WINDOW. + "Preserve height of specified WINDOW's body. WINDOW must be a live window and defaults to the selected one. -Optional argument HORIZONTAL non-nil means preserve the width of -WINDOW. +Optional argument HORIZONTAL non-nil means to preserve the width +of WINDOW's body. PRESERVE t means to preserve the current height/width of WINDOW's body in frame and window resizing operations whenever possible. @@ -1545,21 +1535,15 @@ WINDOW as argument also removes the respective restraint. Other values of PRESERVE are reserved for future use." (setq window (window-normalize-window window t)) (let* ((parameter (window-parameter window 'window-preserved-size)) - (width (nth 1 parameter)) - (height (nth 2 parameter))) - (if horizontal - (set-window-parameter - window 'window-preserved-size - (list - (window-buffer window) - (and preserve (window--preservable-size window t)) - height)) - (set-window-parameter - window 'window-preserved-size - (list - (window-buffer window) - width - (and preserve (window--preservable-size window))))))) + (width (if horizontal + (and preserve (window-body-width window t)) + (nth 1 parameter))) + (height (if horizontal + (nth 2 parameter) + (and preserve (window-body-height window t))))) + (set-window-parameter + window 'window-preserved-size + (list (window-buffer window) width height)))) (defun window-preserved-size (&optional window horizontal) "Return preserved height of window WINDOW. @@ -1567,12 +1551,9 @@ WINDOW must be a live window and defaults to the selected one. Optional argument HORIZONTAL non-nil means to return preserved width of WINDOW." (setq window (window-normalize-window window t)) - (let* ((parameter (window-parameter window 'window-preserved-size)) - (buffer (nth 0 parameter)) - (width (nth 1 parameter)) - (height (nth 2 parameter))) - (when (eq buffer (window-buffer window)) - (if horizontal width height)))) + (let ((parameter (window-parameter window 'window-preserved-size))) + (when (eq (nth 0 parameter) (window-buffer window)) + (nth (if horizontal 1 2) parameter)))) (defun window--preserve-size (window horizontal) "Return non-nil when the height of WINDOW shall be preserved. @@ -1580,7 +1561,7 @@ Optional argument HORIZONTAL non-nil means to return non-nil when the width of WINDOW shall be preserved." (let ((size (window-preserved-size window horizontal))) (and (numberp size) - (= size (window--preservable-size window horizontal))))) + (= size (window-body-size window horizontal t))))) (defun window-safe-min-size (&optional window horizontal pixelwise) "Return safe minimum size of WINDOW. |