New subject: [Bug 56787] Comctl32 Edit - Handles does not work wirth large content as limited to 16bits

5 Jun 2024


      https://bugs.winehq.org/show_bug.cgi?id=56787
Bug ID: 56787
           Summary: Comctl32 Edit - Handles does not work wirth large
                    content as limited to 16bits
           Product: Wine
           Version: 9.10
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: comctl32
          Assignee: wine-bugs@winehq.org
          Reporter: kyle.kcsoftwares@gmail.com
      Distribution: ---
Test case : using a notepad, open a large (eg : 10 MB) file.
Vertical handle is unable to reach the bottom.
Observed in Ubuntu with Wine 9.10 but this has been reported in ReactOS too (
https://jira.reactos.org/browse/CORE-19305 ). Cause seems to be as following,
quoting comment from the ticket :
"The messages that indicate scroll bar position, WM_HSCROLL and WM_VSCROLL,
provide only 16 bits of position data. The GetScrollInfo function enables
applications to use 32-bit scroll positions."
Patch available at https://jira.reactos.org/browse/CORE-19305
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[Bug 56787] New: Comctl32 Edit - Handles does not work wirth large content as limited to 16bits