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Code Issues Projects Releases Packages Wiki Activity Actions 8

New class syntax.

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This commit is contained in:
Guido van Rossum 1991-12-26 13:06:29 +00:00
parent decc4b99e1
commit ce08448165
29 changed files with 81 additions and 81 deletions
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36
Lib/lib-stdwin/Buttons.py
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@ -22,7 +22,7 @@ _MASK = 3
# disabled --> crossed out
# hilited --> inverted
#
class LabelAppearance():
class LabelAppearance:
#
# Initialization
#
@ -143,7 +143,7 @@ class LabelAppearance():
# A Strut is a label with no width of its own.
class StrutAppearance() = LabelAppearance():
class StrutAppearance(LabelAppearance):
#
def getminsize(self, (m, (width, height))):
height = max(height, m.lineheight() + 6)
@ -156,7 +156,7 @@ class StrutAppearance() = LabelAppearance():
# disabled --> crossed out
# hilited --> inverted
#
class ButtonAppearance() = LabelAppearance():
class ButtonAppearance(LabelAppearance):
#
def drawpict(self, d):
d.box(_rect.inset(self.bounds, (1, 1)))
@ -173,7 +173,7 @@ class ButtonAppearance() = LabelAppearance():
# disabled --> whole button crossed out
# hilited --> box is inverted
#
class CheckAppearance() = LabelAppearance():
class CheckAppearance(LabelAppearance):
#
def getminsize(self, (m, (width, height))):
minwidth = m.textwidth(self.text) + 6
@ -207,7 +207,7 @@ class CheckAppearance() = LabelAppearance():
# disabled --> whole button crossed out
# hilited --> indicator is inverted
#
class RadioAppearance() = CheckAppearance():
class RadioAppearance(CheckAppearance):
#
def drawpict(self, d):
(left, top), (right, bottom) = self.boxbounds
@ -221,7 +221,7 @@ class RadioAppearance() = CheckAppearance():
# NoReactivity ignores mouse events.
#
class NoReactivity():
class NoReactivity:
def init_reactivity(self): pass
@ -237,7 +237,7 @@ class NoReactivity():
# There are usually extra conditions, e.g., hooks are only called
# when the button is enabled, or active, or selected (on).
#
class BaseReactivity():
class BaseReactivity:
#
def init_reactivity(self):
self.down_hook = self.move_hook = self.up_hook = \
@ -279,7 +279,7 @@ class BaseReactivity():
# ToggleReactivity acts like a simple pushbutton.
# It toggles its hilite state on mouse down events.
#
class ToggleReactivity() = BaseReactivity():
class ToggleReactivity(BaseReactivity):
#
def mouse_down(self, detail):
if self.enabled and self.mousetest(detail[_HV]):
@ -308,7 +308,7 @@ class ToggleReactivity() = BaseReactivity():
# TriggerReactivity acts like a fancy pushbutton.
# It hilites itself while the mouse is down within its bounds.
#
class TriggerReactivity() = BaseReactivity():
class TriggerReactivity(BaseReactivity):
#
def mouse_down(self, detail):
if self.enabled and self.mousetest(detail[_HV]):
@ -336,7 +336,7 @@ class TriggerReactivity() = BaseReactivity():
# CheckReactivity handles mouse events like TriggerReactivity,
# It overrides the up_trigger method to flip its selected state.
#
class CheckReactivity() = TriggerReactivity():
class CheckReactivity(TriggerReactivity):
#
def up_trigger(self):
self.select(not self.selected)
@ -350,7 +350,7 @@ class CheckReactivity() = TriggerReactivity():
# RadioReactivity turns itself on and the other buttons in its group
# off when its up_trigger method is called.
#
class RadioReactivity() = TriggerReactivity():
class RadioReactivity(TriggerReactivity):
#
def init_reactivity(self):
TriggerReactivity.init_reactivity(self)
@ -370,7 +370,7 @@ class RadioReactivity() = TriggerReactivity():
# Auxiliary class for 'define' method.
# Call the initializers in the right order.
#
class Define():
class Define:
#
def define(self, parent):
self.parent = parent
@ -403,9 +403,9 @@ def _xorcross(d, bounds):
# Ready-made button classes.
#
class Label() = NoReactivity(), LabelAppearance(), Define(): pass
class Strut() = NoReactivity(), StrutAppearance(), Define(): pass
class PushButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
class CheckButton() = CheckReactivity(), CheckAppearance(), Define(): pass
class RadioButton() = RadioReactivity(), RadioAppearance(), Define(): pass
class ToggleButton() = ToggleReactivity(), ButtonAppearance(), Define(): pass
class Label(NoReactivity, LabelAppearance, Define): pass
class Strut(NoReactivity, StrutAppearance, Define): pass
class PushButton(TriggerReactivity, ButtonAppearance, Define): pass
class CheckButton(CheckReactivity, CheckAppearance, Define): pass
class RadioButton(RadioReactivity, RadioAppearance, Define): pass
class ToggleButton(ToggleReactivity, ButtonAppearance, Define): pass