jessieh/eldoc-frame
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Fix at-point position calculation

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Yuan Fu 2018-12-20 21:56:36 -05:00
parent f7b4806694
commit bbc1139e95
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1 changed files with 18 additions and 7 deletions
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eldoc-box.el
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@ -178,13 +178,24 @@ Position is calculated base on WIDTH and HEIGHT of chilframe text window"
(defun eldoc-box--default-at-point-position-function (width height) (defun eldoc-box--default-at-point-position-function (width height)
"Set `eldoc-box-position-function' to this function to have childframe appear under point. "Set `eldoc-box-position-function' to this function to have childframe appear under point.
Position is calculated base on WIDTH and HEIGHT of chilframe text window" Position is calculated base on WIDTH and HEIGHT of chilframe text window"
(let ((point-pos (window-absolute-pixel-position))) ;; (window-absolute-pixel-position)
(cons (- (min (car point-pos) ;; (posn-x-y (posn-at-point))
(- (frame-outer-width (selected-frame)) width)) (let* ((point-pos (window-absolute-pixel-position))
50) (frame-pos (frame-edges nil 'native-edges))
(if (< (- (frame-outer-height (selected-frame)) height) (cdr point-pos)) (x (- (car point-pos) (car frame-pos))) ; relative to native frame
(- (cdr point-pos) height 60) (y (- (cdr point-pos) (nth 1 frame-pos)))
(- (cdr point-pos) 20))))) (en (frame-char-width))
(em (frame-char-height)))
(cons (if (< (- (frame-inner-width) width) x)
;; space on the right of the pos is not enough
;; put to left
(- x width)
(+ x en))
(if (< (- (frame-inner-height) height) y)
;; space under the pos is not enough
;; put above
(- y height)
(+ y em)))))
(defun eldoc-box--get-frame (buffer) (defun eldoc-box--get-frame (buffer)
"Return a childframe displaying BUFFER. "Return a childframe displaying BUFFER.