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authorGuido van Rossum <guido@python.org>1997-09-09 03:39:21 +0000
committerGuido van Rossum <guido@python.org>1997-09-09 03:39:21 +0000
commitd7500fcbb4d0257f3bcd0c87d17ee61f3b1545e8 (patch)
treedb4a6e4835e04851df721eb4595d7172d8e05c34 /Lib/stdwin/Sliders.py
parent045e688f6fc06c87cc93f84e42fb4767a04ba559 (diff)
downloadcpython-git-d7500fcbb4d0257f3bcd0c87d17ee61f3b1545e8.tar.gz
These directories renamed: tkinter -> lib-tk, stdwin -> lib-stdwin.
Diffstat (limited to 'Lib/stdwin/Sliders.py')
-rwxr-xr-xLib/stdwin/Sliders.py174
1 files changed, 0 insertions, 174 deletions
diff --git a/Lib/stdwin/Sliders.py b/Lib/stdwin/Sliders.py
deleted file mode 100755
index cbf776daee..0000000000
--- a/Lib/stdwin/Sliders.py
+++ /dev/null
@@ -1,174 +0,0 @@
-# Module 'Sliders'
-
-
-import stdwin
-from stdwinevents import *
-import rect
-from Buttons import *
-from HVSplit import HSplit
-
-
-# Field indices in event detail
-#
-_HV = 0
-_CLICKS = 1
-_BUTTON = 2
-_MASK = 3
-
-
-# DragSlider is the simplest possible slider.
-# It looks like a button but dragging the mouse left or right
-# changes the controlled value.
-# It does not support any of the triggers or hooks defined by Buttons,
-# but defines its own setval_trigger and setval_hook.
-#
-class DragSliderReactivity(BaseReactivity):
- #
- def mouse_down(self, detail):
- h, v = hv = detail[_HV]
- if self.enabled and self.mousetest(hv):
- self.anchor = h
- self.oldval = self.val
- self.active = 1
- #
- def mouse_move(self, detail):
- if self.active:
- h, v = detail[_HV]
- self.setval(self.oldval + (h - self.anchor))
- #
- def mouse_up(self, detail):
- if self.active:
- h, v = detail[_HV]
- self.setval(self.oldval + (h - self.anchor))
- self.active = 0
- #
-
-class DragSliderAppearance(ButtonAppearance):
- #
- # INVARIANTS maintained by the setval method:
- #
- # self.min <= self.val <= self.max
- # self.text = self.pretext + `self.val` + self.postext
- #
- # (Notice that unlike Python ranges, the end point belongs
- # to the range.)
- #
- def init_appearance(self):
- ButtonAppearance.init_appearance(self)
- self.min = 0
- self.val = 0
- self.max = 100
- self.hook = 0
- self.pretext = self.postext = ''
- self.recalctext()
- #
- # The 'get*' and 'set*' methods belong to the generic slider interface
- #
- def getval(self): return self.val
- #
- def sethook(self, hook):
- self.hook = hook
- #
- def setminvalmax(self, min, val, max):
- self.min = min
- self.max = max
- self.setval(val)
- #
- def settexts(self, pretext, postext):
- self.pretext = pretext
- self.postext = postext
- self.recalctext()
- #
- def setval(self, val):
- val = min(self.max, max(self.min, val))
- if val <> self.val:
- self.val = val
- self.recalctext()
- self.trigger()
- #
- def trigger(self):
- if self.hook:
- self.hook(self)
- #
- def recalctext(self):
- self.settext(self.pretext + `self.val` + self.postext)
- #
-
-class DragSlider(DragSliderReactivity, DragSliderAppearance, Define):
- def definetext(self, parent, text):
- raise RuntimeError, 'DragSlider.definetext() not supported'
-
-
-# Auxiliary class for PushButton incorporated in ComplexSlider
-#
-class _StepButton(PushButton):
- def define(self, parent):
- self = PushButton.define(self, parent)
- self.step = 0
- return self
- def setstep(self, step):
- self.step = step
- def definetextstep(self, parent, text, step):
- self = self.definetext(parent, text)
- self.setstep(step)
- return self
- def init_reactivity(self):
- PushButton.init_reactivity(self)
- self.parent.need_timer(self)
- def step_trigger(self):
- self.parent.setval(self.parent.getval() + self.step)
- def down_trigger(self):
- self.step_trigger()
- self.parent.settimer(5)
- def timer(self):
- if self.hilited:
- self.step_trigger()
- if self.active:
- self.parent.settimer(1)
-
-
-# A complex slider is an HSplit initialized to three buttons:
-# one to step down, a dragslider, and one to step up.
-#
-class ComplexSlider(HSplit):
- #
- # Override Slider define() method
- #
- def define(self, parent):
- self = self.create(parent) # HSplit
- #
- self.downbutton = _StepButton().definetextstep(self, '-', -1)
- self.dragbutton = DragSlider().define(self)
- self.upbutton = _StepButton().definetextstep(self, '+', 1)
- #
- return self
- #
- # Override HSplit methods
- #
- def getminsize(self, m, (width, height)):
- w1, h1 = self.downbutton.getminsize(m, (0, height))
- w3, h3 = self.upbutton.getminsize(m, (0, height))
- w1 = max(w1, h1)
- w3 = max(w3, h3)
- w2, h2 = self.dragbutton.getminsize(m, (width-w1-w3, height))
- return w1+w2+w3, max(h1, h2, h3)
- #
- def setbounds(self, bounds):
- (left, top), (right, bottom) = self.bounds = bounds
- size = bottom - top
- self.downbutton.setbounds(((left, top), (left+size, bottom)))
- self.dragbutton.setbounds(((left+size, top), \
- (right-size, bottom)))
- self.upbutton.setbounds(((right-size, top), (right, bottom)))
- #
- # Pass other Slider methods on to dragbutton
- #
- def getval(self): return self.dragbutton.getval()
- def sethook(self, hook): self.dragbutton.sethook(hook)
- def setminvalmax(self, args): self.dragbutton.setminvalmax(args)
- def settexts(self, args): self.dragbutton.settexts(args)
- def setval(self, val): self.dragbutton.setval(val)
- def enable(self, flag):
- self.downbutton.enable(flag)
- self.dragbutton.enable(flag)
- self.upbutton.enable(flag)