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don't show multiple (identical) tooltips at the same place

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also fixes a bug that prevented tooltips from disappearing in some cases

closes PR 12190
This commit is contained in:
Robby Findler 2011-09-09 13:56:17 -05:00
parent 80ece9023a
commit 0be51fefa5
1 changed files with 7 additions and 3 deletions
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10
collects/drracket/private/syncheck/gui.rkt
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@ -896,6 +896,7 @@ If the namespace does not, they are colored the unbound color.
(set! cursor-location #f)
(set! cursor-text #f)
(set! cursor-eles #f)
(clear-tooltips)
(invalidate-bitmap-cache))
(super on-event event)]
[(or (send event moving?)
@ -1038,14 +1039,16 @@ If the namespace does not, they are colored the unbound color.
[(null? tooltip-infos)
(send tooltip-frame show #f)]
[else
(send tooltip-frame set-tooltip (map tooltip-info-msg tooltip-infos))
(let loop ([tooltip-infos tooltip-infos]
[l #f]
[t #f]
[r #f]
[b #f])
[b #f]
[strings (set)])
(cond
[(null? tooltip-infos)
(send tooltip-frame set-tooltip
(sort (set->list strings) string<=?))
(if (and l t r b)
(send tooltip-frame show-over l t (- r l) (- b t))
(send tooltip-frame show #f))]
@ -1057,7 +1060,8 @@ If the namespace does not, they are colored the unbound color.
(min/f tl l)
(min/f tt t)
(max/f tr r)
(max/f tb b))]))]))
(max/f tb b)
(set-add strings (tooltip-info-msg (car tooltip-infos))))]))]))
(define/private (clear-tooltips)
(when tooltip-frame (send tooltip-frame show #f)))