[Scummvm-tracker] [ScummVM :: Bugs] #14159: MD5 dialog can’t be cancelled in Grim Fandango

[ScummVM :: Bugs]

#14159: MD5 dialog can’t be cancelled in Grim Fandango
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Reporter:  ccawley2011  |       Owner:  (none)
    Type:  defect       |      Status:  pending
Priority:  normal       |   Component:  Common
 Version:               |  Resolution:  pending
Keywords:               |        Game:
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Comment (by sev-):

 This could be implemented if we make our md5 checksum more granular.

 I see two approaches:
  1. Pass a callback and number of bytes or milliseconds to call in-
 between. This might not truly work in GUI, though due to race condition on
 screen updating
  2. Implement state for md5, so it is re-entrant, something like

 {{{
   md5.setup(data, size, milliseconds);

   while (md5.process()) {
      update_gui();
   }

   checksum = md5.getResult();
 }}}
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Ticket URL: <https://bugs.scummvm.org/ticket/14159#comment:6>
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