From 51c51d8d154d98bc333000e99a6053104b2fcb80 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Wed, 11 Nov 2015 17:27:06 +0100
Subject: [PATCH] Add support for alpha channel in wxColourDialog (wxGTK).

Showing opacity slider is controlled by wxColourData::GetChooseAlpha().
---
 src/gtk/colordlg.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gtk/colordlg.cpp b/src/gtk/colordlg.cpp
index 9a1603649e..8397fa2c87 100644
--- a/src/gtk/colordlg.cpp
+++ b/src/gtk/colordlg.cpp
@@ -65,6 +65,7 @@ bool wxColourDialog::Create(wxWindow *parent, wxColourData *data)
         gtk_color_selection_dialog_get_color_selection(
         GTK_COLOR_SELECTION_DIALOG(m_widget)));
     gtk_color_selection_set_has_palette(sel, true);
+    gtk_color_selection_set_has_opacity_control(sel, m_data.GetChooseAlpha());
 
     return true;
 }