def on_draw(self, widget, ctx):
try:
rect = self.get_allocation()
# setup the clipping area
utils_gui.rounded_rectangle(ctx,
0, 0,
rect.width, rect.height,
self.corner_rounding)
ctx.clip()
# I don't want to copy-paste draw_background() and draw-label()
# from the base class there, so coalesce both "hover" and
# "popup_open" states in one so that the hover background stays
# active even when the popup menu is open.
old_hover = self.hover
self.hover = self.hover or self.__popup_open
self.draw_background(ctx, rect)
self.draw_icon(ctx)
self.draw_label(ctx)
# Restore old state
self.hover = old_hover
# Draw the custom popup indicator
if self.__enable_popup and (self.hover or self.__popup_open):
self.__draw_popup_indicator(ctx)
except Exception as exception:
logging.error('Could not draw a ProgramButton widget: %s',
str(exception))
# return True to prevent default event processing
return True
def draw_background(self, ctx, rect):
if not self.disabled and self.hover:
utils_gui.rounded_rectangle(ctx, 0, 0, rect.width, rect.height,
self.corner_rounding)
ctx.set_source_rgba(self.background_color[0],
self.background_color[1],
self.background_color[2], 1.0)
ctx.fill()
def on_draw(self, widget, ctx):
try:
rect = self.get_allocation()
# setup the clipping area
utils_gui.rounded_rectangle(ctx, 0, 0, rect.width, rect.height,
self.corner_rounding)
ctx.clip()
self.draw_background(ctx, rect)
self.draw_icon(ctx)
self.draw_label(ctx)
except Exception as exception:
logging.error('Could not draw a HoverIconButton widget: %s',
str(exception))
# return True to prevent default event processing
return True
def __draw_popup_indicator(self, ctx):
# Background
ctx.save()
if self.__popup_hover:
ctx.set_source_rgba(0.0, 1.0, 1.0, 1.0)
else:
ctx.set_source_rgba(0.0, 1.0, 1.0, 0.25)
utils_gui.rounded_rectangle(ctx,
x=self.__indicator_x1,
y=self.__indicator_y1,
width=self.INDICATOR_WIDTH,
height=self.INDICATOR_HEIGHT,
radius=3.0)
ctx.fill()
ctx.restore()
# Foreground
ctx.save()
if self.__popup_hover:
ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
else:
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.5)
dot_radius = 2
dot_spacing = 5.0
dots_x = self.__indicator_x1 + (self.INDICATOR_WIDTH / 2)
dots_y = self.__indicator_y1 + (self.INDICATOR_HEIGHT / 4) + 1
ctx.arc(dots_x, dots_y, dot_radius, 0.0, math.pi * 2.0)
dots_y += dot_radius + dot_spacing
ctx.arc(dots_x, dots_y, dot_radius, 0.0, math.pi * 2.0)
dots_y += dot_radius + dot_spacing
ctx.arc(dots_x, dots_y, dot_radius, 0.0, math.pi * 2.0)
ctx.fill()
ctx.restore()