# HG changeset patch
# User Jordi Gutiérrez Hermoso <jordigh@octave.org>
# Date 1567875916 14400
# Node ID 4a4c74d920bcb7a5bd65c9cca69c1297df06d8e7
# Parent  406899afca32675413c53fad886dd84917ac0f62
ColourButton: always use plastique style, not system style

Some other styles don't seem to allow recolouring:

    https://bugreports.qt.io/browse/QTBUG-11089

Looks like the solution is to instead pick a different style just for this widget.

diff --git a/tilerswift b/tilerswift
--- a/tilerswift
+++ b/tilerswift
@@ -4,6 +4,8 @@
 
 from colors import NES_PALETTE
 
+PLASTIQUE = QtWidgets.QStyleFactory().create("Plastique")
+
 def read_rom(filename):
     with open(filename, 'rb') as f:
         ines = f.read()
@@ -277,6 +279,10 @@
         self.colour_idx = colour_idx
         self.set_colour(colour_idx)
 
+        # Native styles sometimes don't allow recolouring the
+        # background, see https://bugreports.qt.io/browse/QTBUG-11089
+        self.setStyle(PLASTIQUE)
+
     def set_colour(self, colour_idx):
         self.colour_idx = colour_idx
         self.setText(f"{colour_idx:0{2}X}")