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# -*- indent-tabs-mode: t -*-
""" meter controls for pudding """
__revision__ = '$Revision: 1.1 $'
import soya
from soya.opengl import *
import soya.pudding as pudding
import soya.pudding.core
import soya.pudding.control
import soya.pudding.container
class Meter(pudding.core.Control, pudding.core.InputControl):
""" Simple Meter/Progress bar type control.
Value may be set with mouse scroll wheel or by clicking in the meter.
To stop user control set <Meter>.user_change = False
"""
def __get_value__(self):
return self._value
def __set_value__(self, val):
self._value = val
if self.value < self.min:
self.value = self. min
elif self.value > self.max:
self.value = self.max
self.on_set_value()
value = property(__get_value__, __set_value__)
def __init__(self, parent=None, min=0, max=100,
**kwargs):
pudding.core.Control.__init__(self, parent, **kwargs)
pudding.core.InputControl.__init__(self)
self._value = 50
self.min = min
self.max = max
self.color = (0., 0., 1., 1.)
self.border_color = (0., 0., 0., 1.)
self.user_change = True
self.calc_step()
def calc_step(self):
self.step = self.width / float(self.max)
def on_resize(self):
pudding.core.Control.on_resize(self)
self.calc_step()
def render_self(self):
soya.DEFAULT_MATERIAL.activate()
glColor4f(*self.color)
glBegin(GL_QUADS)
glVertex2i(0, 0)
glVertex2i(int(self.value * self.step), 0)
glVertex2i(int(self.value * self.step), self.height)
glVertex2i(0, self.height)
glEnd()
glColor4f(*self.border_color)
glBegin(GL_LINE_LOOP)
glVertex2i(0, 0)
glVertex2i(self.width, 0)
glVertex2i(self.width, self.height)
glVertex2i(0, self.height)
glEnd()
def process_event(self, event):
if self.user_change:
return pudding.core.InputControl.process_event(self, event)
else:
return False
def on_mouse_down(self, x, y, button):
if button == 5:
self.value -= 1
elif button == 4:
self.value += 1
elif button == 1:
self.value = int(x)
return True
def on_set_value(self):
pass
class TestMeter(pudding.core.TestControl):
klass = Meter
class MeterLabel(pudding.container.HorizontalContainer):
""" Provides a label and meter wrapped in a container """
def __get_value__(self):
return self.meter.value
def __set_value__(self, val):
self.meter.value = val
value = property( __get_value__, __set_value__)
def __init__(self, parent = None, label = '' , **kwargs):
pudding.container.HorizontalContainer.__init__(self, parent, **kwargs)
self.padding = 4
self._create_label(label)
self.meter = Meter(width = 100, height = 20)
self.meter.on_set_value = self.update
self.add_child(self.meter)
self.update()
def _create_label(self, label):
self.label = pudding.control.SimpleLabel(label = label)
self.label.color = (0, 0, 0, 1)
self.add_child(self.label, pudding.ALIGN_RIGHT)
def update(self):
pass
class TestMeterLabel(TestMeter):
klass = MeterLabel
class MeterValueLabel(MeterLabel):
""" Provides a label(with value) and meter wrapped in a container """
def _create_label(self, label):
self.label = pudding.control.PrePostLabel(pre = label)
self.label.color = (0, 0, 0, 1)
self.add_child(self.label, pudding.ALIGN_RIGHT)
def update(self):
self.label.label = str(self.value)
class TestMeterValueLabel(TestMeter):
klass = MeterValueLabel
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