wxGauge incorrect color in Win32 dark mode (Issue #26767)

[PB]

PBfordev created an issue (wxWidgets/wxWidgets#26767)

wxGauge can have wrong colors in dark mode, can be reproduced in the widgets sample:

wx-gauge-progress.gif (view on web)

However, it "fixes" itself in some situations, see the GIF above.

Can be also reproduced with the MRE:

#include <wx/wx.h>
#include <wx/gauge.h>

class MyApp : public wxApp
{
    bool OnInit() override
    {
        wxFrame* frame = new wxFrame(nullptr, wxID_ANY, "Test");
        wxGauge* gauge = new wxGauge(frame, wxID_ANY, 100); // will fill the frame

        gauge->SetValue(50);
        frame->Show();
        return true;
    }
}; wxIMPLEMENT_APP(MyApp);

BTW, is the very dark hover color for the thumb of wxSlider correct? Given the unfortunate situation Microsoft created on Windows, what is the reference to be used for "correct" colors: WinUI 3 (via the WinUI 3 Gallery application)?

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[VZ]

vadz left a comment (wxWidgets/wxWidgets#26767)

According to the attached issue we can just disable theming and set the colours ourselves and I think we should just do it. If it works well enough for dotnet, it should work for us too.

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[PB]

PBfordev left a comment (wxWidgets/wxWidgets#26767)

Just for the record, this affects also wxRendererNative::DrawGauge() as can be seen for example in the render sample.

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[VZ]

Closed #26767 as completed via 4ab4b5e.

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