[haiku-bugs] Re: [Haiku] #12890: WebPositive doesn't properly draw HTML buttons.

  • From: "Haiku" <trac@xxxxxxxxxxxx>
  • To: undisclosed-recipients: ;
  • Date: Thu, 02 May 2019 08:52:13 -0000

#12890: WebPositive doesn't properly draw HTML buttons.
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   Reporter:  Giova84                   |      Owner:  pulkomandy
       Type:  bug                       |     Status:  new
   Priority:  normal                    |  Milestone:  Unscheduled
  Component:  Applications/WebPositive  |    Version:  R1/Development
 Resolution:                            |   Keywords:
 Blocked By:                            |   Blocking:
Has a Patch:  0                         |   Platform:  All
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Comment (by pulkomandy):

 Native buttons are drawn, but there is an issue with the computation of
 the invalidation rectangle when transformations are used. Somehow the
 drawing method thinks it is outside the visible area, and does not draw
 itself.

 You can get everything working properly if you invalidate the whole page
 everytime, but then it becomes super slow because everything is redrawn
 for example when you scroll a page - where currently, the existing page
 content is scrolled and only the newly exposed area is drawn.

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Ticket URL: <https://dev.haiku-os.org/ticket/12890#comment:5>
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