From 17d5429276f746ca94b6bc8ea97dc97c7b4ef304 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Wed, 18 Nov 2015 20:13:24 +0100
Subject: [PATCH] Fix choosing custom colour with opacity in wxColourProperty
 (wxPG).

Invoke colour dialog with opacity option enabled when wxColourProperty is used with alpha support enabled (wxPG_COLOUR_HAS_ALPHA attribute is set).
---
 src/propgrid/advprops.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/propgrid/advprops.cpp b/src/propgrid/advprops.cpp
index b0c3f4fee0..4cbe13f12c 100644
--- a/src/propgrid/advprops.cpp
+++ b/src/propgrid/advprops.cpp
@@ -1237,6 +1237,7 @@ bool wxSystemColourProperty::QueryColourFromUser( wxVariant& variant ) const
 
     wxColourData data;
     data.SetChooseFull(true);
+    data.SetChooseAlpha(GetAttributeAsLong(wxPG_COLOUR_HAS_ALPHA, 0) != 0);
     data.SetColour(val.m_colour);
     for ( int i = 0; i < 16; i++ )
     {