def _updateButtonColor(self, color):
"""Generate color preview pixmap and place it on button"""
pixmap = QPixmap(128, 18)
qcolour = QColor(0, 0, 0)
qcolour.setNamedColor(color)
pixmap.fill(qcolour)
self.setIcon(QIcon(pixmap))
self.setIconSize(QSize(128, 18))
self.color = color
def main():
# Query system colours.
p = QPalette()
textcolour = p.color(QPalette.Text)
basecolour = p.color(QPalette.Base)
# Inject background colour into the browser.
def tree_colour_hook(self):
p = self.form.tree.palette()
p.setColor(QPalette.Base, basecolour)
self.form.tree.setPalette(p)
browser.Browser.setupTree = wrap(browser.Browser.setupTree, tree_colour_hook)
# Change suspend and mark colours.
coloursuspended = QColor()
coloursuspended.setNamedColor(browser.COLOUR_SUSPENDED)
colourmarked = QColor()
colourmarked.setNamedColor(browser.COLOUR_MARKED)
lightness_blacklist = [textcolour.lightness()]
hue_blacklist = [basecolour.hue(), textcolour.hue()]
lightness_preference = max(basecolour.lightness(), 40)
for colour in [coloursuspended, colourmarked]:
(h, s, l, a) = colour.getHsl()
new_lightness = get_new_lightness(lightness_blacklist, lightness_preference)
# print("Considering {0} with preference {2} choose lightness {1}\n".format(
# lightness_blacklist, new_lightness, lightness_preference))
new_hue = get_new_hue(hue_blacklist, h)
# print("Considering {0} with preference {2} choose hue {1}\n".format(
# hue_blacklist, new_hue, h))
hue_blacklist.append(new_hue)
colour.setHsl(new_hue, s, new_lightness, a)
browser.COLOUR_SUSPENDED = coloursuspended.name()
browser.COLOUR_MARKED = colourmarked.name()
# Inject colouring into the web view.
editor._html = re.sub(
"(\\.fname\s*\\{)",
"\\1 color: {0};".format(textcolour.name()),
editor._html)
# Fix the default text colour for type answer edit elements.
reviewer.Reviewer._css = re.sub(
"(#typeans\s*\\{)",
"\\1 color: {0};".format(textcolour.name()),
reviewer.Reviewer._css)