[Bug 42566] New: Edit control uses WM_PAINT instead of WM_ERASEBKGND

https://bugs.winehq.org/show_bug.cgi?id=42566

Bug ID: 42566
           Summary: Edit control uses WM_PAINT instead of WM_ERASEBKGND
           Product: Wine
           Version: 2.0
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: user32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 57478
  --> https://bugs.winehq.org/attachment.cgi?id=57478
Test Program

In Windows, the edit control uses the WM_ERASEBKGND message to erase the
background but the Wine edit control uses the WM_PAINT message. Test app
included..

[Bug 42566] Edit control uses WM_PAINT instead of WM_ERASEBKGND

https://bugs.winehq.org/show_bug.cgi?id=42566

James Tabor  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |https://jira.reactos.org/br
                   |                            |owse/CORE-12814

[Bug 42566] Edit control uses WM_PAINT instead of WM_ERASEBKGND

https://bugs.winehq.org/show_bug.cgi?id=42566

--- Comment #1 from Nikolay Sivov  ---
Could you attach test case sources? Preferably for C/C++ application, instead
of VB6 one.

[Bug 42566] Edit control uses WM_PAINT instead of WM_ERASEBKGND

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=42566

--- Comment #2 from Nikolay Sivov  ---
Created attachment 65943
  --> https://bugs.winehq.org/attachment.cgi?id=65943
patch

Confirming. Attached patch makes it look better. Remaining issue that text area
should be erased regardless, even with empty text. That's probably why erasing
code was unusually merged with WM_PAINT originally. This needs more work.

[Bug 42566] Edit control uses WM_PAINT instead of WM_ERASEBKGND

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=42566

Alistair Leslie-Hughes  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch