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Guido van Rossum 1990-11-05 19:44:31 +00:00
parent c8564cde04
commit 0c89ec778d
10 changed files with 426 additions and 420 deletions
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25
Lib/lib-stdwin/StripChart.py
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@ -1,17 +1,18 @@
# Module 'StripChart'
import rect
from Buttons import *
from Resize import *
from Buttons import LabelAppearance, NoReactivity
# A StripChart doesn't really look like a label but it needs a base class.
# LabelAppearance allows it to be disabled and hilited.
class StripChart() = LabelAppearance(), NoReactivity(), NoResize():
class StripChart() = LabelAppearance(), NoReactivity():
#
def define(self, (win, bounds, scale)):
self.init_appearance(win, bounds)
def define(self, (parent, scale)):
self.parent = parent
parent.addchild(self)
self.init_appearance()
self.init_reactivity()
self.init_resize()
self.ydata = []
self.scale = scale
self.resetbounds()
@ -37,18 +38,18 @@ class StripChart() = LabelAppearance(), NoReactivity(), NoResize():
excess = len(self.ydata) - self.width
if excess > 0:
del self.ydata[:excess]
if not self.limbo:
self.win.scroll(self.bounds, (-excess, 0))
if not self.limbo:
if self.bounds <> rect.empty:
self.parent.scroll(self.bounds, (-excess, 0))
if self.bounds <> rect.empty:
(left, top), (right, bottom) = self.bounds
i = len(self.ydata)
area = (left+i-1, top), (left+i, bottom)
self.draw(self.win.begindrawing(), area)
self.draw(self.parent.begindrawing(), area)
#
def draw(self, (d, area)):
self.limbo = 0
area = rect.intersect(area, self.bounds)
if area = rect.empty:
print 'mt'
return
d.cliprect(area)
d.erase(self.bounds)