452 lines
12 KiB
Python
452 lines
12 KiB
Python
from Carbon import Ctl, Controls
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from Carbon import Evt, Qd, Win
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import Wbase
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class ControlWidget(Wbase.ClickableWidget):
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"""Baseclass for all native controls."""
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def __init__(self, possize, title = "Control", procID = 0, callback = None, value = 0, min = 0, max = 1, viewsize = 0):
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Wbase.ClickableWidget.__init__(self, possize)
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self._control = None
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self._title = title
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self._callback = callback
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self._procID = procID
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self._value = value
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self._min = min
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self._max = max
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self._enabled = 1
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self._viewsize = viewsize
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def open(self):
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self._calcbounds()
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# NewControl doesn't accept 32-bit value, min, or max, so for consistency
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# with the new 32-bit set/get methods, out-of-range values are initially
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# set as zero, followed by a 32-bit set of the actual value.
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# Values not representable in 16 bits will fail on MacOS 8.1, however
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# the vast majority of control usage should still be compatible.
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_value, _min, _max = self._value, self._min, self._max
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if -32768 <= _value <= 32767:
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bigvalue = None
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else:
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bigvalue = _value
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_value = 0
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if -32768 <= _min <= 32767:
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bigmin = None
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else:
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bigmin = _min
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_min = 0
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if -32768 <= _max <= 32767:
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bigmax = None
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else:
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bigmax = _max
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_max = 0
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self._control = Ctl.NewControl(self._parentwindow.wid,
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self._bounds,
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self._title,
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1,
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_value,
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_min,
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_max,
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self._procID,
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0)
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if bigvalue:
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self._control.SetControl32BitValue(bigvalue)
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if bigmin:
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self._control.SetControl32BitMinimum(bigmin)
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if bigmax:
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self._control.SetControl32BitMaximum(bigmax)
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if self._viewsize:
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try:
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self._control.SetControlViewSize(self._viewsize)
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# Not available in MacOS 8.1, but that's OK since it only affects
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# proportional scrollbars which weren't available in 8.1 either.
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except NotImplementedError:
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pass
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self.enable(self._enabled)
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def adjust(self, oldbounds):
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self.SetPort()
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self._control.HideControl()
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self._control.MoveControl(self._bounds[0], self._bounds[1])
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self._control.SizeControl(self._bounds[2] - self._bounds[0], self._bounds[3] - self._bounds[1])
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if self._visible:
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Qd.EraseRect(self._bounds)
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self._control.ShowControl()
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self.GetWindow().ValidWindowRect(self._bounds)
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def close(self):
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self._control.HideControl()
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self._control = None
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Wbase.ClickableWidget.close(self)
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def enable(self, onoff):
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if self._control and self._enabled <> onoff:
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self._control.HiliteControl((not onoff) and 255)
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self._enabled = onoff
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def show(self, onoff):
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self._visible = onoff
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for w in self._widgets:
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w.show(onoff)
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if onoff:
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self._control.ShowControl()
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else:
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self._control.HideControl()
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def activate(self, onoff):
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self._activated = onoff
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if self._enabled:
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if onoff:
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self._control.ActivateControl()
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else:
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self._control.DeactivateControl()
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def draw(self, visRgn = None):
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if self._visible:
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self._control.Draw1Control()
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def test(self, point):
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if Qd.PtInRect(point, self._bounds) and self._enabled:
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return 1
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#ctltype, control = Ctl.FindControl(point, self._parentwindow.wid)
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#if self._enabled and control == self._control:
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# return 1
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def click(self, point, modifiers):
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if not self._enabled:
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return
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part = self._control.TrackControl(point)
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if part:
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if self._callback:
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Wbase.CallbackCall(self._callback, 0)
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def settitle(self, title):
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if self._control:
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self._control.SetControlTitle(title)
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self._title = title
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def gettitle(self):
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return self._title
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def set(self, value):
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if self._control:
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if -32768 <= value <= 32767:
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# No 32-bit control support in MacOS 8.1, so use
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# the 16-bit interface when possible.
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self._control.SetControlValue(value)
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else:
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self._control.SetControl32BitValue(value)
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else:
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self._value = value
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def get(self):
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if self._control:
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try:
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return self._control.GetControl32BitValue()
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# No 32-bit control support in MacOS 8.1, so fall
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# back to the 16-bit interface when needed.
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except NotImplementedError:
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return self._control.GetControlValue()
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else:
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return self._value
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class Button(ControlWidget):
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"""Standard push button."""
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procID = Controls.pushButProc | Controls.useWFont
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def __init__(self, possize, title = "Button", callback = None):
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ControlWidget.__init__(self, possize, title, self.procID, callback, 0, 0, 1)
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self._isdefault = 0
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def push(self):
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if not self._enabled:
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return
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# emulate the pushing of the button
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import time
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self._control.HiliteControl(Controls.kControlButtonPart)
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Qd.QDFlushPortBuffer(self._parentwindow.wid, None) # needed under OSX
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time.sleep(0.1)
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self._control.HiliteControl(0)
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if self._callback:
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Wbase.CallbackCall(self._callback, 0)
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def enable(self, onoff):
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if self._control and self._enabled <> onoff:
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self._control.HiliteControl((not onoff) and 255)
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self._enabled = onoff
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def show(self, onoff):
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ControlWidget.show(self, onoff)
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def draw(self, visRgn = None):
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if self._visible:
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self._control.Draw1Control()
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def open(self):
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ControlWidget.open(self)
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if self._isdefault:
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self._setdefault(self._isdefault)
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def _setdefault(self, onoff):
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c = self._control
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if c is not None:
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if onoff:
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data = "\xFF"
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else:
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data = "\0"
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# hide before changing state, otherwise the button isn't always
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# redrawn correctly, although it's quite different under Aqua
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# and Classic...
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c.HideControl()
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c.SetControlData(Controls.kControlNoPart,
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Controls.kControlPushButtonDefaultTag, data)
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c.ShowControl()
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self._isdefault = onoff
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def adjust(self, oldbounds):
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if self._isdefault:
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old = Qd.InsetRect(oldbounds, -4, -4)
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new = Qd.InsetRect(self._bounds, -4, -4)
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Qd.EraseRect(old)
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self.GetWindow().InvalWindowRect(old)
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self.GetWindow().InvalWindowRect(new)
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ControlWidget.adjust(self, oldbounds)
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class BevelButton(Button):
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procID = Controls.kControlBevelButtonNormalBevelProc | Controls.useWFont
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class CheckBox(ControlWidget):
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"""Standard checkbox."""
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def __init__(self, possize, title = "Checkbox", callback = None, value = 0):
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procID = Controls.checkBoxProc | Controls.useWFont
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ControlWidget.__init__(self, possize, title, procID, callback, value, 0, 1)
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def click(self, point, modifiers):
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if not self._enabled:
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return
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part = self._control.TrackControl(point)
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if part:
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self.toggle()
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if self._callback:
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Wbase.CallbackCall(self._callback, 0, self.get())
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def push(self):
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if not self._enabled:
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return
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self.toggle()
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if self._callback:
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Wbase.CallbackCall(self._callback, 0, self.get())
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def toggle(self):
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self.set(not self.get())
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class RadioButton(ControlWidget):
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"""Standard radiobutton."""
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# XXX We need a radiogroup widget; this is too kludgy.
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def __init__(self, possize, title, thebuttons, callback = None, value = 0):
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procID = Controls.radioButProc | Controls.useWFont
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ControlWidget.__init__(self, possize, title, procID, callback, value, 0, 1)
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self.thebuttons = thebuttons
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thebuttons.append(self)
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def close(self):
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self.thebuttons = None
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ControlWidget.close(self)
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def click(self, point, modifiers):
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if not self._enabled:
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return
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part = self._control.TrackControl(point)
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if part:
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self.set(1)
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if self._callback:
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Wbase.CallbackCall(self._callback, 0, 1)
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def push(self):
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if not self._enabled:
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return
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self.set(1)
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if self._callback:
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Wbase.CallbackCall(self._callback, 0, 1)
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def set(self, value):
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for button in self.thebuttons:
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if button._control:
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button._control.SetControlValue(button == self)
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else:
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button._value = (button == self)
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class Scrollbar(ControlWidget):
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"""Standard scrollbar."""
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def __init__(self, possize, callback = None, value = 0, min = 0, max = 0):
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procID = Controls.scrollBarProc
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ControlWidget.__init__(self, possize, "", procID, callback, value, min, max)
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# interface
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# def set(self, value):
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# if self._callback:
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# Wbase.CallbackCall(self._callback, 1, value)
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def up(self):
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if self._callback:
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Wbase.CallbackCall(self._callback, 1, '+')
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def down(self):
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if self._callback:
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Wbase.CallbackCall(self._callback, 1, '-')
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def pageup(self):
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if self._callback:
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Wbase.CallbackCall(self._callback, 1, '++')
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def pagedown(self):
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if self._callback:
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Wbase.CallbackCall(self._callback, 1, '--')
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def setmin(self, min):
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if self._control is not None:
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if -32768 <= min <= 32767:
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# No 32-bit control support in MacOS 8.1, so use
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# the 16-bit interface when possible.
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self._control.SetControlMinimum(min)
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else:
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self._control.SetControl32BitMinimum(min)
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else:
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self._min = min
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def setmax(self, max):
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if self._control is not None:
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if -32768 <= max <= 32767:
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# No 32-bit control support in MacOS 8.1, so use
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# the 16-bit interface when possible.
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self._control.SetControlMaximum(max)
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else:
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self._control.SetControl32BitMaximum(max)
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else:
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self._max = max
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def setviewsize(self, viewsize):
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if self._control is not None:
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try:
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self._control.SetControlViewSize(viewsize)
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# Not available in MacOS 8.1, but that's OK since it only affects
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# proportional scrollbars which weren't available in 8.1 either.
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except NotImplementedError:
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pass
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else:
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self._viewsize = viewsize
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def getmin(self):
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try:
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return self._control.GetControl32BitMinimum()
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# No 32-bit control support in MacOS 8.1, so fall
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# back to the 16-bit interface when needed.
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except NotImplementedError:
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return self._control.GetControlMinimum()
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def getmax(self):
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try:
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return self._control.GetControl32BitMaximum()
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# No 32-bit control support in MacOS 8.1, so fall
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# back to the 16-bit interface when needed.
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except NotImplementedError:
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return self._control.GetControlMaximum()
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# internals
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def click(self, point, modifiers):
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if not self._enabled:
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return
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# custom TrackControl. A mousedown in a scrollbar arrow or page area should
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# generate _control hits as long as the mouse is a) down, b) still in the same part
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part = self._control.TestControl(point)
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if Controls.inUpButton <= part <= Controls.inPageDown:
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self._control.HiliteControl(part)
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self._hit(part)
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oldpart = part
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# slight delay before scrolling at top speed...
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now = Evt.TickCount()
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while Evt.StillDown():
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if (Evt.TickCount() - now) > 18: # 0.3 seconds
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break
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while Evt.StillDown():
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part = self._control.TestControl(point)
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if part == oldpart:
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self._control.HiliteControl(part)
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self._hit(part)
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else:
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self._control.HiliteControl(0)
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self.SetPort()
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point = Evt.GetMouse()
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self._control.HiliteControl(0)
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elif part == Controls.inThumb:
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part = self._control.TrackControl(point)
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if part:
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self._hit(part)
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def _hit(self, part):
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if part == Controls.inThumb:
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try:
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value = self._control.GetControl32BitValue()
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# No 32-bit control support in MacOS 8.1, so fall
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# back to the 16-bit interface when needed.
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except NotImplementedError:
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value = self._control.GetControlValue()
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elif part == Controls.inUpButton:
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value = "+"
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elif part == Controls.inDownButton:
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value = "-"
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elif part == Controls.inPageUp:
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value = "++"
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elif part == Controls.inPageDown:
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value = "--"
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if self._callback:
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Wbase.CallbackCall(self._callback, 1, value)
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def draw(self, visRgn = None):
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if self._visible:
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self._control.Draw1Control()
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#Qd.FrameRect(self._bounds)
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def adjust(self, oldbounds):
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self.SetPort()
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self.GetWindow().InvalWindowRect(oldbounds)
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self._control.HideControl()
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self._control.MoveControl(self._bounds[0], self._bounds[1])
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self._control.SizeControl(self._bounds[2] - self._bounds[0], self._bounds[3] - self._bounds[1])
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if self._visible:
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Qd.EraseRect(self._bounds)
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if self._activated:
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self._control.ShowControl()
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else:
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Qd.FrameRect(self._bounds)
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self.GetWindow().ValidWindowRect(self._bounds)
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def _scalebarvalue(absmin, absmax, curmin, curmax):
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if curmin <= absmin and curmax >= absmax:
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return None
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if curmin <= absmin:
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return 0
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if curmax >= absmax:
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return 32767
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perc = float(curmin-absmin) / float((absmax - absmin) - (curmax - curmin))
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return int(perc*32767)
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