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Avoid resetting track-mouse by mouse clicks

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* lisp/mouse.el (mouse-drag-line, mouse-drag-track): Don't assume
the previous value of track-mouse is nil; instead, save and
restore the previous value.  (Bug#24480)
This commit is contained in:
Eli Zaretskii 2016-09-21 18:00:18 +03:00
parent 505fef3ede
commit ea1960bf3c
1 changed files with 6 additions and 4 deletions
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10
lisp/mouse.el
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@ -481,7 +481,8 @@ must be one of the symbols `header', `mode', or `vertical'."
(window-pixel-height window)))))
(setq dragged t)
(adjust-window-trailing-edge window growth nil t))
(setq last-position position))))))
(setq last-position position)))))
(old-track-mouse track-mouse))
;; Start tracking. The special value 'dragging' signals the
;; display engine to freeze the mouse pointer shape for as long
;; as we drag.
@ -514,7 +515,7 @@ must be one of the symbols `header', `mode', or `vertical'."
(define-key map [right-divider] map)
(define-key map [bottom-divider] map)
map)
t (lambda () (setq track-mouse nil)))))))
t (lambda () (setq track-mouse old-track-mouse)))))))
(defun mouse-drag-mode-line (start-event)
"Change the height of a window by dragging on the mode line."
@ -825,7 +826,8 @@ The region will be defined with mark and point."
(click-count (1- (event-click-count start-event)))
;; Suppress automatic hscrolling, because that is a nuisance
;; when setting point near the right fringe (but see below).
(auto-hscroll-mode-saved auto-hscroll-mode))
(auto-hscroll-mode-saved auto-hscroll-mode)
(old-track-mouse track-mouse))
(setq mouse-selection-click-count click-count)
;; In case the down click is in the middle of some intangible text,
@ -877,7 +879,7 @@ The region will be defined with mark and point."
nil start-point))))))))
map)
t (lambda ()
(setq track-mouse nil)
(setq track-mouse old-track-mouse)
(setq auto-hscroll-mode auto-hscroll-mode-saved)
(deactivate-mark)
(pop-mark)))))