*** empty log message ***
This commit is contained in:
Guido van Rossum
parent
c8564cde04
commit
0c89ec778d
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@ -1,10 +1,8 @@
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# Module 'Buttons'
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from Resize import *
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# Import module 'rect' renamed as '_rect'
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# Import module 'rect' renamed as '_rect' to avoid exporting it on
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# 'from Buttons import *'
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#
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import rect
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_rect = rect
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@ -28,61 +26,69 @@ class LabelAppearance():
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#
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# Initialization
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#
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def init_appearance(self, (win, bounds)):
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self.win = win
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self.bounds = bounds
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def init_appearance(self):
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self.bounds = _rect.empty
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self.enabled = 1
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self.hilited = 0
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self.selected = 0
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self.text = ''
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self.limbo = 1
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self.recalc()
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self.win.change(self.bounds)
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# While the limbo flag is set, redraw calls are ignored.
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# It is cleared by the first draw event.
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# This is intended to avoid duplicate drawing during
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# initialization.
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#
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# Size enquiry
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#
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def minsize(self, m):
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try:
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self.text = self.text
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except NameError:
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self.text = ''
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return m.textwidth(self.text) + 6, m.lineheight() + 6
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#
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def getbounds(self):
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return self.bounds
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#
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# Changing the parameters
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#
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def settext(self, text):
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self.text = text
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self.recalctextpos()
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self.redraw()
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if self.bounds <> _rect.empty:
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self.recalctextpos()
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self.redraw()
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#
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def setbounds(self, bounds):
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# This delays drawing until after all buttons are moved
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self.win.change(self.bounds)
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if self.bounds <> _rect.empty:
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self.parent.change(self.bounds)
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self.bounds = bounds
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self.recalc()
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self.win.change(bounds)
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if self.bounds <> _rect.empty:
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self.recalc()
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self.parent.change(bounds)
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#
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# Changing the state bits
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#
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def enable(self, flag):
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if flag <> self.enabled:
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self.enabled = flag
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if not self.limbo:
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self.flipenable(self.win.begindrawing())
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if self.bounds <> _rect.empty:
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self.flipenable(self.parent.begindrawing())
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#
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def hilite(self, flag):
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if flag <> self.hilited:
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self.hilited = flag
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if not self.limbo:
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self.fliphilite(self.win.begindrawing())
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if self.bounds <> _rect.empty:
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self.fliphilite(self.parent.begindrawing())
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#
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def select(self, flag):
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if flag <> self.selected:
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self.selected = flag
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self.redraw()
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if self.bounds <> _rect.empty:
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self.redraw()
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#
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# Recalculate the box bounds and text position.
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# This can be overridden by buttons that draw different boxes
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# or want their text in a different position.
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#
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def recalc(self):
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self.recalcbounds()
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self.recalctextpos()
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if self.bounds <> _rect.empty:
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self.recalcbounds()
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self.recalctextpos()
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#
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def recalcbounds(self):
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self.hilitebounds = _rect.inset(self.bounds, (3, 3))
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@ -90,20 +96,19 @@ class LabelAppearance():
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#
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def recalctextpos(self):
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(left, top), (right, bottom) = self.bounds
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d = self.win.begindrawing()
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h = (left + right - d.textwidth(self.text)) / 2
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v = (top + bottom - d.lineheight()) / 2
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m = self.parent.beginmeasuring()
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h = (left + right - m.textwidth(self.text)) / 2
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v = (top + bottom - m.lineheight()) / 2
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self.textpos = h, v
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#
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# Generic drawing mechanism.
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# Generic drawing interface.
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# Do not override redraw() or draw() methods; override drawit() c.s.
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#
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def redraw(self):
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if not self.limbo:
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self.draw(self.win.begindrawing(), self.bounds)
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if self.bounds <> _rect.empty:
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self.draw(self.parent.begindrawing(), self.bounds)
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#
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def draw(self, (d, area)):
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self.limbo = 0
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area = _rect.intersect(area, self.bounds)
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if area = _rect.empty:
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return
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@ -161,6 +166,10 @@ class ButtonAppearance() = LabelAppearance():
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#
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class CheckAppearance() = LabelAppearance():
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#
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def minsize(self, m):
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width, height = m.textwidth(self.text) + 6, m.lineheight() + 6
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return width + height + m.textwidth(' '), height
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#
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def drawpict(self, d):
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d.box(self.boxbounds)
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if self.selected: _xorcross(d, self.boxbounds)
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@ -173,10 +182,10 @@ class CheckAppearance() = LabelAppearance():
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self.hilitebounds = self.boxbounds
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#
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def recalctextpos(self):
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d = self.win.begindrawing()
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m = self.parent.beginmeasuring()
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(left, top), (right, bottom) = self.boxbounds
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h = right + d.textwidth(' ')
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v = top + (self.size - d.lineheight()) / 2
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h = right + m.textwidth(' ')
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v = top + (self.size - m.lineheight()) / 2
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self.textpos = h, v
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#
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@ -199,24 +208,31 @@ class RadioAppearance() = CheckAppearance():
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#
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# NoReactivity ignores mouse and timer events.
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# NoReactivity ignores mouse events.
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#
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class NoReactivity():
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def init_reactivity(self): pass
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# BaseReactivity defines hooks and asks for mouse events,
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# but provides only dummy mouse event handlers.
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# The trigger methods call the corresponding hooks set by the user.
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# Hooks (and triggers) mean the following:
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# down_hook called on some mouse-down events
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# move_hook called on some mouse-move events
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# up_hook called on mouse-up events
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# on_hook called for buttons with on/off state, when it goes on
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# timer_hook called on timer events
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# hook called when a button 'fires' or a radiobutton goes on
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# There are usually extra conditions, e.g., hooks are only called
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# when the button is enabled, or active, or selected (on).
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#
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class NoReactivity():
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class BaseReactivity():
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#
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def init_reactivity(self):
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self.down_hook = self.move_hook = self.up_hook = \
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self.on_hook = self.off_hook = self.timer_hook = \
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self.hook = self.active = 0
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self.on_hook = self.off_hook = \
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self.hook = self.active = 0
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self.parent.need_mouse(self)
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#
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def mousetest(self, hv):
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return _rect.pointinrect(hv, self.bounds)
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@ -230,9 +246,6 @@ class NoReactivity():
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def mouse_up(self, detail):
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pass
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#
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def timer(self):
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pass
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#
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def down_trigger(self):
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if self.down_hook: self.down_hook(self)
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#
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@ -248,18 +261,14 @@ class NoReactivity():
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def off_trigger(self):
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if self.off_hook: self.off_hook(self)
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#
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def timer_trigger(self):
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if self.timer_hook: self.timer_hook(self)
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#
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def trigger(self):
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if self.hook: self.hook(self)
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# ToggleReactivity acts like a simple pushbutton.
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# It toggles its hilite state on mouse down events.
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# Its timer_trigger method is called for all timer events while hilited.
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#
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class ToggleReactivity() = NoReactivity():
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class ToggleReactivity() = BaseReactivity():
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#
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def mouse_down(self, detail):
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if self.enabled and self.mousetest(detail[_HV]):
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@ -276,10 +285,6 @@ class ToggleReactivity() = NoReactivity():
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self.up_trigger()
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self.active = 0
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#
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def timer(self):
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if self.hilited:
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self.timer_trigger()
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#
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def down_trigger(self):
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if self.hilited:
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self.on_trigger()
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# TriggerReactivity acts like a fancy pushbutton.
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# It hilites itself while the mouse is down within its bounds.
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#
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class TriggerReactivity() = NoReactivity():
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class TriggerReactivity() = BaseReactivity():
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#
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def mouse_down(self, detail):
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if self.enabled and self.mousetest(detail[_HV]):
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@ -315,10 +320,6 @@ class TriggerReactivity() = NoReactivity():
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self.active = 0
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self.hilite(0)
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#
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def timer(self):
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if self.active and self.hilited:
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self.timer_trigger()
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#
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# CheckReactivity handles mouse events like TriggerReactivity,
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@ -356,13 +357,22 @@ class RadioReactivity() = TriggerReactivity():
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# Auxiliary class for 'define' method.
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# Call the initializers in the right order.
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#
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class Define() = NoResize():
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class Define():
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#
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def define(self, (win, bounds, text)):
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self.init_appearance(win, bounds)
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def define(self, parent):
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self.parent = parent
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parent.addchild(self)
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self.init_appearance()
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self.init_reactivity()
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self.init_resize()
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return self
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#
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def destroy(self):
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self.parent = 0
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#
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def definetext(self, (parent, text)):
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self = self.define(parent)
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self.settext(text)
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return self
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d.xorline((left, bottom), (right, top))
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# Ready-made button classes
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# Ready-made button classes.
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#
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class BaseButton() = NoReactivity(), LabelAppearance(), Define(): pass
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class Label() = NoReactivity(), LabelAppearance(), Define(): pass
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class ClassicButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
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class PushButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
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class CheckButton() = CheckReactivity(), CheckAppearance(), Define(): pass
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class RadioButton() = RadioReactivity(), RadioAppearance(), Define(): pass
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class Toggle() = ToggleReactivity(), ButtonAppearance(), Define(): pass
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class ToggleButton() = ToggleReactivity(), ButtonAppearance(), Define(): pass
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@ -1,41 +1,36 @@
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# Module 'Histogram'
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from Buttons import *
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from Resize import Resize
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# A Histogram displays a histogram of numeric data.
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# It reacts to resize events by resizing itself,
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# leaving the same amount of space around the borders.
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# (This is geometry management, and should really be implemented
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# by a different group of classes, but for now this hack is OK.)
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#
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class HistogramAppearance() = Resize(), LabelAppearance():
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class HistogramAppearance() = LabelAppearance(), Define():
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#
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def define(self, (win, bounds, ydata, scale)):
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self.init_appearance(win, bounds)
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self.init_resize()
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self.ydata = ydata
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self.scale = scale # (min, max)
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def define(self, parent):
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Define.define(self, (parent, ''))
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self.ydata = []
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self.scale = (0, 100)
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return self
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#
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def setdata(self, (ydata, scale)):
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self.ydata = ydata
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self.scale = scale # (min, max)
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self.win.change(self.bounds)
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self.parent.change(self.bounds)
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#
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def drawit(self, d):
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ydata = self.ydata
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def drawpict(self, d):
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(left, top), (right, bottom) = self.bounds
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min, max = self.scale
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size = max-min
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width, height = right-left, bottom-top
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for i in range(len(ydata)):
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h0 = left + i * width/len(ydata)
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h1 = left + (i+1) * width/len(ydata)
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v0 = top + height - (self.ydata[i]-min)*height/size
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v1 = top + height
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ydata = self.ydata
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npoints = len(ydata)
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v1 = top + height # constant
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h1 = left # changed in loop
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for i in range(npoints):
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h0 = h1
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v0 = top + height - (ydata[i]-min)*height/size
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h1 = left + (i+1) * width/npoints
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d.paint((h0, v0), (h1, v1))
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#
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class Histogram() = HistogramAppearance(), NoReactivity(): pass
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class Histogram() = NoReactivity(), HistogramAppearance(): pass
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@ -1,13 +1,11 @@
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# Module 'Sliders'
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#
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# XXX Should split caller interface, appearance and reactivity better
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import stdwin
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from stdwinevents import *
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import rect
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from Buttons import *
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from Resize import *
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from HVSplit import HSplit
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# Field indices in event detail
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@ -18,11 +16,13 @@ _BUTTON = 2
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_MASK = 3
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# A dragslider is the simplest possible slider.
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# DragSlider is the simplest possible slider.
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# It looks like a button but dragging the mouse left or right
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# changes the controlled value.
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# It does not support any of the triggers or hooks defined by Buttons,
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# but defines its own setval_trigger and setval_hook.
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#
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class DragSliderReactivity() = NoReactivity():
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class DragSliderReactivity() = BaseReactivity():
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#
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def mouse_down(self, detail):
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h, v = hv = detail[_HV]
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@ -43,136 +43,133 @@ class DragSliderReactivity() = NoReactivity():
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self.active = 0
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#
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class DragSliderAppearance() = NoResize(), ButtonAppearance():
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#
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def define(self, (win, bounds)):
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self.min = 0
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self.val = -1 # Changed by next setval call
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self.max = 100
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self.setval_hook = 0
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self.pretext = self.postext = ''
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self = ClassicButton.define(self, (win, bounds, ''))
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self.setval(50)
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return self
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class DragSliderAppearance() = ButtonAppearance():
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#
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# INVARIANTS maintained by the setval method:
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#
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# self.min <= self.val <= self.max
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# self.text = self.pretext + `self.val` + self.postext
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#
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# (Notice that unlike in Python ranges, the end point belongs
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# (Notice that unlike Python ranges, the end point belongs
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# to the range.)
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#
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def init_appearance(self):
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ButtonAppearance.init_appearance(self)
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self.min = 0
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self.val = 0
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self.max = 100
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self.hook = 0
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self.pretext = self.postext = ''
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self.recalctext()
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#
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# The 'get*' and 'set*' methods belong to the generic slider interface
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#
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def getval(self): return self.val
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#
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def sethook(self, hook):
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self.hook = hook
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#
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def setminvalmax(self, (min, val, max)):
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self.min = min
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self.max = max
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self.setval(val)
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#
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def settexts(self, (pretext, postext)):
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self.pretext = pretext
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self.postext = postext
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self.recalctext()
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#
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def setval(self, val):
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val = min(self.max, max(self.min, val))
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if val <> self.val:
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self.val = val
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self.setval_trigger()
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# (The trigger may change val, pretext and postext)
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self.settext(self.pretext + `self.val` + self.postext)
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self.recalctext()
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self.trigger()
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#
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def setval_trigger(self):
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if self.setval_hook:
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self.setval_hook(self)
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def trigger(self):
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if self.hook:
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self.hook(self)
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#
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def recalctext(self):
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self.settext(self.pretext + `self.val` + self.postext)
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#
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class DragSlider() = DragSliderReactivity(), DragSliderAppearance(): pass
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class DragSlider() = DragSliderReactivity(), DragSliderAppearance(), Define():
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def definetext(self, (parent, text)):
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raise RuntimeError, 'DragSlider.definetext() not supported'
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# Auxiliary class for DragSlider incorporated in ComplexSlider
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# Auxiliary class for PushButton incorporated in ComplexSlider
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#
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class _SubDragSlider() = DragSlider():
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def define(self, (win, bounds, parent)):
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self.parent = parent
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return DragSlider.define(self, (win, bounds))
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def setval_trigger(self):
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self.parent.val = self.val
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self.parent.setval_trigger()
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# Auxiliary class for ClassicButton incorporated in ComplexSlider
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#
|
||||
class _SubClassicButton() = ClassicButton():
|
||||
def define(self, (win, bounds, text, step, parent)):
|
||||
self.parent = parent
|
||||
class _StepButton() = PushButton():
|
||||
def define(self, parent):
|
||||
self = PushButton.define(self, parent)
|
||||
self.step = 0
|
||||
return self
|
||||
def setstep(self, step):
|
||||
self.step = step
|
||||
return ClassicButton.define(self, (win, bounds, text))
|
||||
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.parent.setval(self.parent.val + self.step)
|
||||
self.delay = 5
|
||||
self.win.settimer(self.delay)
|
||||
def move_trigger(self):
|
||||
self.win.settimer(self.delay)
|
||||
def timer_trigger(self):
|
||||
self.delay = 1
|
||||
self.parent.setval(self.parent.val + self.step)
|
||||
self.win.settimer(self.delay)
|
||||
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 a wrapper around three buttons:
|
||||
# One to step down, a dragslider, and one to step up.
|
||||
|
||||
# A complex slider is an HSplit initialized to three buttons:
|
||||
# one to step down, a dragslider, and one to step up.
|
||||
#
|
||||
class ComplexSlider() = NoResize(), LabelAppearance(), NoReactivity():
|
||||
class ComplexSlider() = HSplit():
|
||||
#
|
||||
def define(self, (win, bounds)):
|
||||
# Override Slider define() method
|
||||
#
|
||||
def define(self, parent):
|
||||
self = self.create(parent) # HSplit
|
||||
#
|
||||
self.win = win
|
||||
self.bounds = bounds
|
||||
self.setval_hook = 0
|
||||
#
|
||||
(left, top), (right, bottom) = bounds
|
||||
size = bottom - top
|
||||
#
|
||||
downbox = (left, top), (left+size, bottom)
|
||||
sliderbox = (left+size, top), (right-size, bottom)
|
||||
upbox = (right-size, top), (right, bottom)
|
||||
#
|
||||
self.downbutton = \
|
||||
_SubClassicButton().define(win, downbox, '-', -1, self)
|
||||
#
|
||||
self.sliderbutton = \
|
||||
_SubDragSlider().define(win, sliderbox, self)
|
||||
#
|
||||
self.upbutton = \
|
||||
_SubClassicButton().define(win, upbox, '+', 1, self)
|
||||
#
|
||||
self.min = self.sliderbutton.min
|
||||
self.val = self.sliderbutton.val
|
||||
self.max = self.sliderbutton.max
|
||||
self.pretext = self.sliderbutton.pretext
|
||||
self.postext = self.sliderbutton.postext
|
||||
#
|
||||
self.children = \
|
||||
[self.downbutton, self.sliderbutton, self.upbutton]
|
||||
self.downbutton = _StepButton().definetextstep(self, '-', -1)
|
||||
self.dragbutton = DragSlider().define(self)
|
||||
self.upbutton = _StepButton().definetextstep(self, '+', 1)
|
||||
#
|
||||
return self
|
||||
#
|
||||
def mouse_down(self, detail):
|
||||
for b in self.children:
|
||||
b.mouse_down(detail)
|
||||
# Override HSplit methods
|
||||
#
|
||||
def mouse_move(self, detail):
|
||||
for b in self.children:
|
||||
b.mouse_move(detail)
|
||||
def minsize(self, m):
|
||||
w1, h1 = self.downbutton.minsize(m)
|
||||
w2, h2 = self.dragbutton.minsize(m)
|
||||
w3, h3 = self.upbutton.minsize(m)
|
||||
height = max(h1, h2, h3)
|
||||
w1 = max(w1, height)
|
||||
w3 = max(w3, height)
|
||||
return w1+w2+w3, height
|
||||
#
|
||||
def mouse_up(self, detail):
|
||||
for b in self.children:
|
||||
b.mouse_up(detail)
|
||||
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))
|
||||
#
|
||||
def timer(self):
|
||||
for b in self.children:
|
||||
b.timer()
|
||||
#
|
||||
def draw(self, area):
|
||||
for b in self.children:
|
||||
b.draw(area)
|
||||
#
|
||||
def setval(self, val):
|
||||
self.sliderbutton.min = self.min
|
||||
self.sliderbutton.max = self.max
|
||||
self.sliderbutton.pretext = self.pretext
|
||||
self.sliderbutton.postext = self.postext
|
||||
self.sliderbutton.setval(val)
|
||||
#
|
||||
def setval_trigger(self):
|
||||
if self.setval_hook:
|
||||
self.setval_hook(self)
|
||||
# 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)
|
||||
|
|
|
|||
|
|
@ -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)
|
||||
|
|
|
|||
|
|
@ -10,8 +10,9 @@ class VUMeter() = StripChart():
|
|||
#
|
||||
# Override define() and timer() methods
|
||||
#
|
||||
def define(self, (win, bounds)):
|
||||
self = StripChart.define(self, (win, bounds, 128))
|
||||
def define(self, parent):
|
||||
self = StripChart.define(self, (parent, 128))
|
||||
self.parent.need_timer(self)
|
||||
self.sampling = 0
|
||||
self.rate = 3
|
||||
self.enable(0)
|
||||
|
|
@ -31,7 +32,7 @@ class VUMeter() = StripChart():
|
|||
audio.start_recording(size)
|
||||
self.sampling = 1
|
||||
if self.sampling:
|
||||
self.win.settimer(1)
|
||||
self.parent.settimer(1)
|
||||
#
|
||||
# New methods: start() and stop()
|
||||
#
|
||||
|
|
|
|||
|
|
@ -1,10 +1,8 @@
|
|||
# Module 'Buttons'
|
||||
|
||||
|
||||
from Resize import *
|
||||
|
||||
|
||||
# Import module 'rect' renamed as '_rect'
|
||||
# Import module 'rect' renamed as '_rect' to avoid exporting it on
|
||||
# 'from Buttons import *'
|
||||
#
|
||||
import rect
|
||||
_rect = rect
|
||||
|
|
@ -28,61 +26,69 @@ class LabelAppearance():
|
|||
#
|
||||
# Initialization
|
||||
#
|
||||
def init_appearance(self, (win, bounds)):
|
||||
self.win = win
|
||||
self.bounds = bounds
|
||||
def init_appearance(self):
|
||||
self.bounds = _rect.empty
|
||||
self.enabled = 1
|
||||
self.hilited = 0
|
||||
self.selected = 0
|
||||
self.text = ''
|
||||
self.limbo = 1
|
||||
self.recalc()
|
||||
self.win.change(self.bounds)
|
||||
# While the limbo flag is set, redraw calls are ignored.
|
||||
# It is cleared by the first draw event.
|
||||
# This is intended to avoid duplicate drawing during
|
||||
# initialization.
|
||||
#
|
||||
# Size enquiry
|
||||
#
|
||||
def minsize(self, m):
|
||||
try:
|
||||
self.text = self.text
|
||||
except NameError:
|
||||
self.text = ''
|
||||
return m.textwidth(self.text) + 6, m.lineheight() + 6
|
||||
#
|
||||
def getbounds(self):
|
||||
return self.bounds
|
||||
#
|
||||
# Changing the parameters
|
||||
#
|
||||
def settext(self, text):
|
||||
self.text = text
|
||||
self.recalctextpos()
|
||||
self.redraw()
|
||||
if self.bounds <> _rect.empty:
|
||||
self.recalctextpos()
|
||||
self.redraw()
|
||||
#
|
||||
def setbounds(self, bounds):
|
||||
# This delays drawing until after all buttons are moved
|
||||
self.win.change(self.bounds)
|
||||
if self.bounds <> _rect.empty:
|
||||
self.parent.change(self.bounds)
|
||||
self.bounds = bounds
|
||||
self.recalc()
|
||||
self.win.change(bounds)
|
||||
if self.bounds <> _rect.empty:
|
||||
self.recalc()
|
||||
self.parent.change(bounds)
|
||||
#
|
||||
# Changing the state bits
|
||||
#
|
||||
def enable(self, flag):
|
||||
if flag <> self.enabled:
|
||||
self.enabled = flag
|
||||
if not self.limbo:
|
||||
self.flipenable(self.win.begindrawing())
|
||||
if self.bounds <> _rect.empty:
|
||||
self.flipenable(self.parent.begindrawing())
|
||||
#
|
||||
def hilite(self, flag):
|
||||
if flag <> self.hilited:
|
||||
self.hilited = flag
|
||||
if not self.limbo:
|
||||
self.fliphilite(self.win.begindrawing())
|
||||
if self.bounds <> _rect.empty:
|
||||
self.fliphilite(self.parent.begindrawing())
|
||||
#
|
||||
def select(self, flag):
|
||||
if flag <> self.selected:
|
||||
self.selected = flag
|
||||
self.redraw()
|
||||
if self.bounds <> _rect.empty:
|
||||
self.redraw()
|
||||
#
|
||||
# Recalculate the box bounds and text position.
|
||||
# This can be overridden by buttons that draw different boxes
|
||||
# or want their text in a different position.
|
||||
#
|
||||
def recalc(self):
|
||||
self.recalcbounds()
|
||||
self.recalctextpos()
|
||||
if self.bounds <> _rect.empty:
|
||||
self.recalcbounds()
|
||||
self.recalctextpos()
|
||||
#
|
||||
def recalcbounds(self):
|
||||
self.hilitebounds = _rect.inset(self.bounds, (3, 3))
|
||||
|
|
@ -90,20 +96,19 @@ class LabelAppearance():
|
|||
#
|
||||
def recalctextpos(self):
|
||||
(left, top), (right, bottom) = self.bounds
|
||||
d = self.win.begindrawing()
|
||||
h = (left + right - d.textwidth(self.text)) / 2
|
||||
v = (top + bottom - d.lineheight()) / 2
|
||||
m = self.parent.beginmeasuring()
|
||||
h = (left + right - m.textwidth(self.text)) / 2
|
||||
v = (top + bottom - m.lineheight()) / 2
|
||||
self.textpos = h, v
|
||||
#
|
||||
# Generic drawing mechanism.
|
||||
# Generic drawing interface.
|
||||
# Do not override redraw() or draw() methods; override drawit() c.s.
|
||||
#
|
||||
def redraw(self):
|
||||
if not self.limbo:
|
||||
self.draw(self.win.begindrawing(), self.bounds)
|
||||
if self.bounds <> _rect.empty:
|
||||
self.draw(self.parent.begindrawing(), self.bounds)
|
||||
#
|
||||
def draw(self, (d, area)):
|
||||
self.limbo = 0
|
||||
area = _rect.intersect(area, self.bounds)
|
||||
if area = _rect.empty:
|
||||
return
|
||||
|
|
@ -161,6 +166,10 @@ class ButtonAppearance() = LabelAppearance():
|
|||
#
|
||||
class CheckAppearance() = LabelAppearance():
|
||||
#
|
||||
def minsize(self, m):
|
||||
width, height = m.textwidth(self.text) + 6, m.lineheight() + 6
|
||||
return width + height + m.textwidth(' '), height
|
||||
#
|
||||
def drawpict(self, d):
|
||||
d.box(self.boxbounds)
|
||||
if self.selected: _xorcross(d, self.boxbounds)
|
||||
|
|
@ -173,10 +182,10 @@ class CheckAppearance() = LabelAppearance():
|
|||
self.hilitebounds = self.boxbounds
|
||||
#
|
||||
def recalctextpos(self):
|
||||
d = self.win.begindrawing()
|
||||
m = self.parent.beginmeasuring()
|
||||
(left, top), (right, bottom) = self.boxbounds
|
||||
h = right + d.textwidth(' ')
|
||||
v = top + (self.size - d.lineheight()) / 2
|
||||
h = right + m.textwidth(' ')
|
||||
v = top + (self.size - m.lineheight()) / 2
|
||||
self.textpos = h, v
|
||||
#
|
||||
|
||||
|
|
@ -199,24 +208,31 @@ class RadioAppearance() = CheckAppearance():
|
|||
#
|
||||
|
||||
|
||||
# NoReactivity ignores mouse and timer events.
|
||||
# NoReactivity ignores mouse events.
|
||||
#
|
||||
class NoReactivity():
|
||||
def init_reactivity(self): pass
|
||||
|
||||
|
||||
# BaseReactivity defines hooks and asks for mouse events,
|
||||
# but provides only dummy mouse event handlers.
|
||||
# The trigger methods call the corresponding hooks set by the user.
|
||||
# Hooks (and triggers) mean the following:
|
||||
# down_hook called on some mouse-down events
|
||||
# move_hook called on some mouse-move events
|
||||
# up_hook called on mouse-up events
|
||||
# on_hook called for buttons with on/off state, when it goes on
|
||||
# timer_hook called on timer events
|
||||
# hook called when a button 'fires' or a radiobutton goes on
|
||||
# There are usually extra conditions, e.g., hooks are only called
|
||||
# when the button is enabled, or active, or selected (on).
|
||||
#
|
||||
class NoReactivity():
|
||||
class BaseReactivity():
|
||||
#
|
||||
def init_reactivity(self):
|
||||
self.down_hook = self.move_hook = self.up_hook = \
|
||||
self.on_hook = self.off_hook = self.timer_hook = \
|
||||
self.hook = self.active = 0
|
||||
self.on_hook = self.off_hook = \
|
||||
self.hook = self.active = 0
|
||||
self.parent.need_mouse(self)
|
||||
#
|
||||
def mousetest(self, hv):
|
||||
return _rect.pointinrect(hv, self.bounds)
|
||||
|
|
@ -230,9 +246,6 @@ class NoReactivity():
|
|||
def mouse_up(self, detail):
|
||||
pass
|
||||
#
|
||||
def timer(self):
|
||||
pass
|
||||
#
|
||||
def down_trigger(self):
|
||||
if self.down_hook: self.down_hook(self)
|
||||
#
|
||||
|
|
@ -248,18 +261,14 @@ class NoReactivity():
|
|||
def off_trigger(self):
|
||||
if self.off_hook: self.off_hook(self)
|
||||
#
|
||||
def timer_trigger(self):
|
||||
if self.timer_hook: self.timer_hook(self)
|
||||
#
|
||||
def trigger(self):
|
||||
if self.hook: self.hook(self)
|
||||
|
||||
|
||||
# ToggleReactivity acts like a simple pushbutton.
|
||||
# It toggles its hilite state on mouse down events.
|
||||
# Its timer_trigger method is called for all timer events while hilited.
|
||||
#
|
||||
class ToggleReactivity() = NoReactivity():
|
||||
class ToggleReactivity() = BaseReactivity():
|
||||
#
|
||||
def mouse_down(self, detail):
|
||||
if self.enabled and self.mousetest(detail[_HV]):
|
||||
|
|
@ -276,10 +285,6 @@ class ToggleReactivity() = NoReactivity():
|
|||
self.up_trigger()
|
||||
self.active = 0
|
||||
#
|
||||
def timer(self):
|
||||
if self.hilited:
|
||||
self.timer_trigger()
|
||||
#
|
||||
def down_trigger(self):
|
||||
if self.hilited:
|
||||
self.on_trigger()
|
||||
|
|
@ -292,7 +297,7 @@ class ToggleReactivity() = NoReactivity():
|
|||
# TriggerReactivity acts like a fancy pushbutton.
|
||||
# It hilites itself while the mouse is down within its bounds.
|
||||
#
|
||||
class TriggerReactivity() = NoReactivity():
|
||||
class TriggerReactivity() = BaseReactivity():
|
||||
#
|
||||
def mouse_down(self, detail):
|
||||
if self.enabled and self.mousetest(detail[_HV]):
|
||||
|
|
@ -315,10 +320,6 @@ class TriggerReactivity() = NoReactivity():
|
|||
self.active = 0
|
||||
self.hilite(0)
|
||||
#
|
||||
def timer(self):
|
||||
if self.active and self.hilited:
|
||||
self.timer_trigger()
|
||||
#
|
||||
|
||||
|
||||
# CheckReactivity handles mouse events like TriggerReactivity,
|
||||
|
|
@ -356,13 +357,22 @@ class RadioReactivity() = TriggerReactivity():
|
|||
|
||||
|
||||
# Auxiliary class for 'define' method.
|
||||
# Call the initializers in the right order.
|
||||
#
|
||||
class Define() = NoResize():
|
||||
class Define():
|
||||
#
|
||||
def define(self, (win, bounds, text)):
|
||||
self.init_appearance(win, bounds)
|
||||
def define(self, parent):
|
||||
self.parent = parent
|
||||
parent.addchild(self)
|
||||
self.init_appearance()
|
||||
self.init_reactivity()
|
||||
self.init_resize()
|
||||
return self
|
||||
#
|
||||
def destroy(self):
|
||||
self.parent = 0
|
||||
#
|
||||
def definetext(self, (parent, text)):
|
||||
self = self.define(parent)
|
||||
self.settext(text)
|
||||
return self
|
||||
|
||||
|
|
@ -380,11 +390,10 @@ def _xorcross(d, bounds):
|
|||
d.xorline((left, bottom), (right, top))
|
||||
|
||||
|
||||
# Ready-made button classes
|
||||
# Ready-made button classes.
|
||||
#
|
||||
class BaseButton() = NoReactivity(), LabelAppearance(), Define(): pass
|
||||
class Label() = NoReactivity(), LabelAppearance(), Define(): pass
|
||||
class ClassicButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
|
||||
class PushButton() = TriggerReactivity(), ButtonAppearance(), Define(): pass
|
||||
class CheckButton() = CheckReactivity(), CheckAppearance(), Define(): pass
|
||||
class RadioButton() = RadioReactivity(), RadioAppearance(), Define(): pass
|
||||
class Toggle() = ToggleReactivity(), ButtonAppearance(), Define(): pass
|
||||
class ToggleButton() = ToggleReactivity(), ButtonAppearance(), Define(): pass
|
||||
|
|
|
|||
|
|
@ -1,41 +1,36 @@
|
|||
# Module 'Histogram'
|
||||
|
||||
from Buttons import *
|
||||
from Resize import Resize
|
||||
|
||||
|
||||
# A Histogram displays a histogram of numeric data.
|
||||
# It reacts to resize events by resizing itself,
|
||||
# leaving the same amount of space around the borders.
|
||||
# (This is geometry management, and should really be implemented
|
||||
# by a different group of classes, but for now this hack is OK.)
|
||||
#
|
||||
class HistogramAppearance() = Resize(), LabelAppearance():
|
||||
class HistogramAppearance() = LabelAppearance(), Define():
|
||||
#
|
||||
def define(self, (win, bounds, ydata, scale)):
|
||||
self.init_appearance(win, bounds)
|
||||
self.init_resize()
|
||||
self.ydata = ydata
|
||||
self.scale = scale # (min, max)
|
||||
def define(self, parent):
|
||||
Define.define(self, (parent, ''))
|
||||
self.ydata = []
|
||||
self.scale = (0, 100)
|
||||
return self
|
||||
#
|
||||
def setdata(self, (ydata, scale)):
|
||||
self.ydata = ydata
|
||||
self.scale = scale # (min, max)
|
||||
self.win.change(self.bounds)
|
||||
self.parent.change(self.bounds)
|
||||
#
|
||||
def drawit(self, d):
|
||||
ydata = self.ydata
|
||||
def drawpict(self, d):
|
||||
(left, top), (right, bottom) = self.bounds
|
||||
min, max = self.scale
|
||||
size = max-min
|
||||
width, height = right-left, bottom-top
|
||||
for i in range(len(ydata)):
|
||||
h0 = left + i * width/len(ydata)
|
||||
h1 = left + (i+1) * width/len(ydata)
|
||||
v0 = top + height - (self.ydata[i]-min)*height/size
|
||||
v1 = top + height
|
||||
ydata = self.ydata
|
||||
npoints = len(ydata)
|
||||
v1 = top + height # constant
|
||||
h1 = left # changed in loop
|
||||
for i in range(npoints):
|
||||
h0 = h1
|
||||
v0 = top + height - (ydata[i]-min)*height/size
|
||||
h1 = left + (i+1) * width/npoints
|
||||
d.paint((h0, v0), (h1, v1))
|
||||
#
|
||||
|
||||
class Histogram() = HistogramAppearance(), NoReactivity(): pass
|
||||
class Histogram() = NoReactivity(), HistogramAppearance(): pass
|
||||
|
|
|
|||
|
|
@ -1,13 +1,11 @@
|
|||
# Module 'Sliders'
|
||||
#
|
||||
# XXX Should split caller interface, appearance and reactivity better
|
||||
|
||||
|
||||
import stdwin
|
||||
from stdwinevents import *
|
||||
import rect
|
||||
from Buttons import *
|
||||
from Resize import *
|
||||
from HVSplit import HSplit
|
||||
|
||||
|
||||
# Field indices in event detail
|
||||
|
|
@ -18,11 +16,13 @@ _BUTTON = 2
|
|||
_MASK = 3
|
||||
|
||||
|
||||
# A dragslider is the simplest possible slider.
|
||||
# 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() = NoReactivity():
|
||||
class DragSliderReactivity() = BaseReactivity():
|
||||
#
|
||||
def mouse_down(self, detail):
|
||||
h, v = hv = detail[_HV]
|
||||
|
|
@ -43,136 +43,133 @@ class DragSliderReactivity() = NoReactivity():
|
|||
self.active = 0
|
||||
#
|
||||
|
||||
class DragSliderAppearance() = NoResize(), ButtonAppearance():
|
||||
#
|
||||
def define(self, (win, bounds)):
|
||||
self.min = 0
|
||||
self.val = -1 # Changed by next setval call
|
||||
self.max = 100
|
||||
self.setval_hook = 0
|
||||
self.pretext = self.postext = ''
|
||||
self = ClassicButton.define(self, (win, bounds, ''))
|
||||
self.setval(50)
|
||||
return self
|
||||
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 in Python ranges, the end point belongs
|
||||
# (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.setval_trigger()
|
||||
# (The trigger may change val, pretext and postext)
|
||||
self.settext(self.pretext + `self.val` + self.postext)
|
||||
self.recalctext()
|
||||
self.trigger()
|
||||
#
|
||||
def setval_trigger(self):
|
||||
if self.setval_hook:
|
||||
self.setval_hook(self)
|
||||
def trigger(self):
|
||||
if self.hook:
|
||||
self.hook(self)
|
||||
#
|
||||
def recalctext(self):
|
||||
self.settext(self.pretext + `self.val` + self.postext)
|
||||
#
|
||||
|
||||
class DragSlider() = DragSliderReactivity(), DragSliderAppearance(): pass
|
||||
class DragSlider() = DragSliderReactivity(), DragSliderAppearance(), Define():
|
||||
def definetext(self, (parent, text)):
|
||||
raise RuntimeError, 'DragSlider.definetext() not supported'
|
||||
|
||||
|
||||
# Auxiliary class for DragSlider incorporated in ComplexSlider
|
||||
# Auxiliary class for PushButton incorporated in ComplexSlider
|
||||
#
|
||||
class _SubDragSlider() = DragSlider():
|
||||
def define(self, (win, bounds, parent)):
|
||||
self.parent = parent
|
||||
return DragSlider.define(self, (win, bounds))
|
||||
def setval_trigger(self):
|
||||
self.parent.val = self.val
|
||||
self.parent.setval_trigger()
|
||||
|
||||
# Auxiliary class for ClassicButton incorporated in ComplexSlider
|
||||
#
|
||||
class _SubClassicButton() = ClassicButton():
|
||||
def define(self, (win, bounds, text, step, parent)):
|
||||
self.parent = parent
|
||||
class _StepButton() = PushButton():
|
||||
def define(self, parent):
|
||||
self = PushButton.define(self, parent)
|
||||
self.step = 0
|
||||
return self
|
||||
def setstep(self, step):
|
||||
self.step = step
|
||||
return ClassicButton.define(self, (win, bounds, text))
|
||||
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.parent.setval(self.parent.val + self.step)
|
||||
self.delay = 5
|
||||
self.win.settimer(self.delay)
|
||||
def move_trigger(self):
|
||||
self.win.settimer(self.delay)
|
||||
def timer_trigger(self):
|
||||
self.delay = 1
|
||||
self.parent.setval(self.parent.val + self.step)
|
||||
self.win.settimer(self.delay)
|
||||
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 a wrapper around three buttons:
|
||||
# One to step down, a dragslider, and one to step up.
|
||||
|
||||
# A complex slider is an HSplit initialized to three buttons:
|
||||
# one to step down, a dragslider, and one to step up.
|
||||
#
|
||||
class ComplexSlider() = NoResize(), LabelAppearance(), NoReactivity():
|
||||
class ComplexSlider() = HSplit():
|
||||
#
|
||||
def define(self, (win, bounds)):
|
||||
# Override Slider define() method
|
||||
#
|
||||
def define(self, parent):
|
||||
self = self.create(parent) # HSplit
|
||||
#
|
||||
self.win = win
|
||||
self.bounds = bounds
|
||||
self.setval_hook = 0
|
||||
#
|
||||
(left, top), (right, bottom) = bounds
|
||||
size = bottom - top
|
||||
#
|
||||
downbox = (left, top), (left+size, bottom)
|
||||
sliderbox = (left+size, top), (right-size, bottom)
|
||||
upbox = (right-size, top), (right, bottom)
|
||||
#
|
||||
self.downbutton = \
|
||||
_SubClassicButton().define(win, downbox, '-', -1, self)
|
||||
#
|
||||
self.sliderbutton = \
|
||||
_SubDragSlider().define(win, sliderbox, self)
|
||||
#
|
||||
self.upbutton = \
|
||||
_SubClassicButton().define(win, upbox, '+', 1, self)
|
||||
#
|
||||
self.min = self.sliderbutton.min
|
||||
self.val = self.sliderbutton.val
|
||||
self.max = self.sliderbutton.max
|
||||
self.pretext = self.sliderbutton.pretext
|
||||
self.postext = self.sliderbutton.postext
|
||||
#
|
||||
self.children = \
|
||||
[self.downbutton, self.sliderbutton, self.upbutton]
|
||||
self.downbutton = _StepButton().definetextstep(self, '-', -1)
|
||||
self.dragbutton = DragSlider().define(self)
|
||||
self.upbutton = _StepButton().definetextstep(self, '+', 1)
|
||||
#
|
||||
return self
|
||||
#
|
||||
def mouse_down(self, detail):
|
||||
for b in self.children:
|
||||
b.mouse_down(detail)
|
||||
# Override HSplit methods
|
||||
#
|
||||
def mouse_move(self, detail):
|
||||
for b in self.children:
|
||||
b.mouse_move(detail)
|
||||
def minsize(self, m):
|
||||
w1, h1 = self.downbutton.minsize(m)
|
||||
w2, h2 = self.dragbutton.minsize(m)
|
||||
w3, h3 = self.upbutton.minsize(m)
|
||||
height = max(h1, h2, h3)
|
||||
w1 = max(w1, height)
|
||||
w3 = max(w3, height)
|
||||
return w1+w2+w3, height
|
||||
#
|
||||
def mouse_up(self, detail):
|
||||
for b in self.children:
|
||||
b.mouse_up(detail)
|
||||
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))
|
||||
#
|
||||
def timer(self):
|
||||
for b in self.children:
|
||||
b.timer()
|
||||
#
|
||||
def draw(self, area):
|
||||
for b in self.children:
|
||||
b.draw(area)
|
||||
#
|
||||
def setval(self, val):
|
||||
self.sliderbutton.min = self.min
|
||||
self.sliderbutton.max = self.max
|
||||
self.sliderbutton.pretext = self.pretext
|
||||
self.sliderbutton.postext = self.postext
|
||||
self.sliderbutton.setval(val)
|
||||
#
|
||||
def setval_trigger(self):
|
||||
if self.setval_hook:
|
||||
self.setval_hook(self)
|
||||
# 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)
|
||||
|
|
|
|||
|
|
@ -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)
|
||||
|
|
|
|||
|
|
@ -10,8 +10,9 @@ class VUMeter() = StripChart():
|
|||
#
|
||||
# Override define() and timer() methods
|
||||
#
|
||||
def define(self, (win, bounds)):
|
||||
self = StripChart.define(self, (win, bounds, 128))
|
||||
def define(self, parent):
|
||||
self = StripChart.define(self, (parent, 128))
|
||||
self.parent.need_timer(self)
|
||||
self.sampling = 0
|
||||
self.rate = 3
|
||||
self.enable(0)
|
||||
|
|
@ -31,7 +32,7 @@ class VUMeter() = StripChart():
|
|||
audio.start_recording(size)
|
||||
self.sampling = 1
|
||||
if self.sampling:
|
||||
self.win.settimer(1)
|
||||
self.parent.settimer(1)
|
||||
#
|
||||
# New methods: start() and stop()
|
||||
#
|
||||
|
|
|
|||
Loading…
Reference in New Issue