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Use wxINVERT for drawing generic wxCaret when possible

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This now works after recent fixes, although wxINVERT does not
work with wxGraphicsContext-based wxDC. So this is mainly for GTK2,
only about 20 years late.
This commit is contained in:
Paul Cornett
2022-03-31 08:11:27 -07:00
parent d51f274e1c
commit 0ac60175b0
1 changed files with 9 additions and 4 deletions
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13
src/generic/caret.cpp
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@@ -284,6 +284,9 @@ void wxCaret::DoDraw(wxDC *dc, wxWindow* win)
brush = *wxWHITE_BRUSH;
}
}
#if wxUSE_GRAPHICS_CONTEXT
wxGraphicsContext* gc = dc->GetGraphicsContext();
#endif
if (m_hasFocus)
{
dc->SetPen(*wxTRANSPARENT_PEN);
@@ -295,7 +298,6 @@ void wxCaret::DoDraw(wxDC *dc, wxWindow* win)
dc->SetPen(pen);
dc->SetBrush(*wxTRANSPARENT_BRUSH);
#if wxUSE_GRAPHICS_CONTEXT
wxGraphicsContext* gc = dc->GetGraphicsContext();
if (gc)
{
// Draw outline rect so that its outside edges correspond with
@@ -308,9 +310,12 @@ void wxCaret::DoDraw(wxDC *dc, wxWindow* win)
#endif
}
// VZ: unfortunately, the rectangle comes out a pixel smaller when this is
// done under wxGTK - no idea why
//dc->SetLogicalFunction(wxINVERT);
#if wxUSE_GRAPHICS_CONTEXT
if (gc == NULL)
#endif
{
dc->SetLogicalFunction(wxINVERT);
}
dc->DrawRectangle(m_x, m_y, m_width, m_height);
}