class ListIndicator(Base, clutter.Group):
"""
ListIndicator displays 'current / maximum' value label and arrows.
"""
# Direction
# HORIZONTAL layout: ARROW_LEFT current / maximum ARROW_RIGHT
# VERITCAL layout: current / maximum ARROW_UP ARROW_DOWN
HORIZONTAL = 0
VERTICAL = 1
def __init__(self, x, y, width, height, direction):
Base.__init__(self)
clutter.Group.__init__(self)
self.config = Configuration()
# Size
self.width = self.get_abs_x(width)
self.height = self.get_abs_y(height)
self.direction = direction
self.delimiter = " | "
self.current = 1
self.maximum = 1
self.theme = self.config.theme
self.fg = self.theme.get_color("arrow_foreground")
self.bg = self.theme.get_color("arrow_background")
if direction == ListIndicator.VERTICAL:
text_x_pos = width / 3
else:
text_x_pos = width / 2
self.text = Label(
height * 0.8, "text", text_x_pos, height / 2,
str(self.maximum) + self.delimiter + str(self.maximum))
self.text.set_anchor_point_from_gravity(clutter.GRAVITY_CENTER)
self.add(self.text)
# Create arrows and calculate positions on screen
if direction == ListIndicator.VERTICAL:
self.arrow1 = ArrowTexture(5 * width / 7, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.UP)
self.arrow2 = ArrowTexture(6 * width / 7, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.DOWN)
elif direction == ListIndicator.HORIZONTAL:
self.arrow1 = ArrowTexture(height / 2, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.LEFT)
self.arrow2 = ArrowTexture(6 * width / 7, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.RIGHT)
self.add(self.arrow1)
self.add(self.arrow2)
self.set_position(self.get_abs_x(x), self.get_abs_y(y))
def set_current(self, value):
"""
Set current value
@param number: Current value (between 1 - maximum)
"""
if value > 0 and value <= self.maximum:
self.current = value
self._update_text()
# Bounce arrow if user has reached the limit
if self.current == 1:
self.arrow1.bounce()
elif self.current == self.maximum:
self.arrow2.bounce()
def get_current(self):
"""
Get current value
@return Current value (integer)
"""
return self.current
def set_maximum(self, value):
"""
Set maximum value of the indicator
@param number: Set maximum value
"""
self.maximum = value
self._update_text()
def get_maximum(self):
"""
Get maximum value.
@return Max value (integer)
"""
return self.maximum
def set_delimiter(self, delimiter):
"""
Set delimiter text that is displayed between current and maximum value.
Default delimiter text is ' / ' spaces included.
@param delimiter: delimiter text
"""
self.delimiter = delimiter
self._update_text()
def show_position(self):
"""
Show position text that indicates the current position of the content.
"""
self.text.show()
def hide_position(self):
"""
Hide position text that indicates the current position of the content.
If this is called then indicator shows only arrows.
"""
self.text.hide()
def _update_text(self):
"""Update the text label"""
self.text.set_text(
str(self.current) + self.delimiter + str(self.maximum))
class ListIndicator(Base, clutter.Group):
"""
ListIndicator displays 'current / maximum' value label and arrows.
"""
# Direction
# HORIZONTAL layout: ARROW_LEFT current / maximum ARROW_RIGHT
# VERITCAL layout: current / maximum ARROW_UP ARROW_DOWN
HORIZONTAL = 0
VERTICAL = 1
def __init__(self, x, y, width, height, direction):
Base.__init__(self)
clutter.Group.__init__(self)
self.config = Configuration()
# Size
self.width = self.get_abs_x(width)
self.height = self.get_abs_y(height)
self.direction = direction
self.delimiter = " | "
self.current = 1
self.maximum = 1
self.theme = self.config.theme
self.fg = self.theme.get_color("arrow_foreground")
self.bg = self.theme.get_color("arrow_background")
if direction == ListIndicator.VERTICAL:
text_x_pos = width / 3
else:
text_x_pos = width / 2
self.text = Label(height * 0.8, "text", text_x_pos, height / 2,
str(self.maximum) + self.delimiter + str(self.maximum))
self.text.set_anchor_point_from_gravity(clutter.GRAVITY_CENTER)
self.add(self.text)
# Create arrows and calculate positions on screen
if direction == ListIndicator.VERTICAL:
self.arrow1 = ArrowTexture(5 * width / 7, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.UP)
self.arrow2 = ArrowTexture(6 * width / 7, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.DOWN)
elif direction == ListIndicator.HORIZONTAL:
self.arrow1 = ArrowTexture(height / 2, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.LEFT)
self.arrow2 = ArrowTexture(6 * width / 7, height / 2, height / 2,
self.fg, self.bg, ArrowTexture.RIGHT)
self.add(self.arrow1)
self.add(self.arrow2)
self.set_position(self.get_abs_x(x), self.get_abs_y(y))
def set_current(self, value):
"""
Set current value
@param number: Current value (between 1 - maximum)
"""
if value > 0 and value <= self.maximum:
self.current = value
self._update_text()
# Bounce arrow if user has reached the limit
if self.current == 1:
self.arrow1.bounce()
elif self.current == self.maximum:
self.arrow2.bounce()
def get_current(self):
"""
Get current value
@return Current value (integer)
"""
return self.current
def set_maximum(self, value):
"""
Set maximum value of the indicator
@param number: Set maximum value
"""
self.maximum = value
self._update_text()
def get_maximum(self):
"""
Get maximum value.
@return Max value (integer)
"""
return self.maximum
def set_delimiter(self, delimiter):
"""
Set delimiter text that is displayed between current and maximum value.
Default delimiter text is ' / ' spaces included.
@param delimiter: delimiter text
"""
self.delimiter = delimiter
self._update_text()
def show_position(self):
"""
Show position text that indicates the current position of the content.
"""
self.text.show()
def hide_position(self):
"""
Hide position text that indicates the current position of the content.
If this is called then indicator shows only arrows.
"""
self.text.hide()
def _update_text(self):
"""Update the text label"""
self.text.set_text(
str(self.current) + self.delimiter + str(self.maximum))
