[Bug 51743] New: GSView has the wrong color for some hovered menu items

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51743

Bug ID: 51743
           Summary: GSView has the wrong color for some hovered menu items
           Product: Wine
           Version: 6.15
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: trivial
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 70626
  --> https://bugs.winehq.org/attachment.cgi?id=70626
Screenshot on Wine

See screenshots.
For testing on Win7, you need to disable Aero!

[Bug 51743] GSView has the wrong color for some hovered menu items

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51743

--- Comment #1 from Fabian Maurer  ---
Created attachment 70627
  --> https://bugs.winehq.org/attachment.cgi?id=70627
Screenshot on Win7

[Bug 51743] GSView has the wrong color for some hovered menu items

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51743

Fabian Maurer  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |download, source
                URL|                            |http://ghostgum.com.au/down
                   |                            |load/gsv50w32.exe

[Bug 51743] GSView has the wrong color for some hovered menu items

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51743

--- Comment #2 from Fabian Maurer  ---
Clarification: This bug is about the yellow background for hovered items, the
white menu entry is bug 47486.

[Bug 51743] GSView has the wrong color for some hovered menu items

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51743

--- Comment #3 from Fabian Maurer  ---
Created attachment 70628
  --> https://bugs.winehq.org/attachment.cgi?id=70628
Test program with screenshots

Further analysis yields that the problem is due to 1bpp bitmaps. Windows
handles those different from Wine.

In short, Windows renders black in the highlight color, and white as white
(instead of transparent).
GSView additionally has some ownerdraw, where wine for some reason renders the
inverted highlight color as background. Could be multiple issues here...

Attaching a test program to easily reproduce the issue without ownerdraw. Might
take a look after I solved the 1bpp cursor issue(s)...