Blame wxGTK3-3.0.2-background-color.patch
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From 553ec7537c30636ddf6cbc157373477fb2e9da41 Mon Sep 17 00:00:00 2001
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From: Paul Cornett <paulcor@users.noreply.github.com>
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Date: Wed, 9 Nov 2016 20:06:26 -0800
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Subject: [PATCH] Fix non-default window background color with GTK+ >= 3.20
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GTK+ no longer automatically paints non-default window background. See #17586
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(cherry picked from commit 9bb5d0435a4cce5bcb7b3956cb730f59c37ea5f6)
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---
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src/gtk/window.cpp | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
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index 0826e06..bca5443 100644
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--- a/src/gtk/window.cpp
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+++ b/src/gtk/window.cpp
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@@ -4238,6 +4238,15 @@ void wxWindowGTK::GTKSendPaintEvents(const GdkRegion* region)
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0, 0, w, h);
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#endif // !__WXGTK3__
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}
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+#ifdef __WXGTK3__
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+ else if (m_backgroundColour.IsOk() && gtk_check_version(3,20,0) == NULL)
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+ {
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+ cairo_save(cr);
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+ gdk_cairo_set_source_rgba(cr, m_backgroundColour);
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+ cairo_paint(cr);
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+ cairo_restore(cr);
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+ }
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+#endif
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break;
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case wxBG_STYLE_PAINT:
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