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Balloon.py
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Balloon.pyc
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Balloon.pyo
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BtnBox.py
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BtnBox.pyc
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BtnBox.pyo
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CmpImg.py
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CmpImg.pyc
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CmpImg.pyo
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ComboBox.py
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ComboBox.pyc
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ComboBox.pyo
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Control.py
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Control.pyc
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Control.pyo
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DirList.py
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DirList.pyc
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DirList.pyo
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DirTree.py
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DirTree.pyc
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DirTree.pyo
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NoteBook.py
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NoteBook.pyc
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NoteBook.pyo
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OptMenu.py
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OptMenu.pyc
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OptMenu.pyo
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PanedWin.py
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PanedWin.pyc
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PanedWin.pyo
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PopMenu.py
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PopMenu.pyc
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PopMenu.pyo
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SHList1.py
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SHList1.pyc
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SHList1.pyo
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SHList2.py
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SHList2.pyc
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SHList2.pyo
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Tree.py
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Tree.pyc
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Tree.pyo
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Editing: Control.py
# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*- # # $Id$ # # Tix Demonstration Program # # This sample program is structured in such a way so that it can be # executed from the Tix demo program "tixwidgets.py": it must have a # procedure called "RunSample". It should also have the "if" statment # at the end of this file so that it can be run as a standalone # program. # This file demonstrates the use of the tixControl widget -- it is an # entry widget with up/down arrow buttons. You can use the arrow buttons # to adjust the value inside the entry widget. # # This example program uses three Control widgets. One lets you select # integer values; one lets you select floating point values and the last # one lets you select a few names. import Tix TCL_ALL_EVENTS = 0 def RunSample (root): control = DemoControl(root) control.mainloop() control.destroy() class DemoControl: def __init__(self, w): self.root = w self.exit = -1 global demo_maker, demo_thrust, demo_num_engines demo_maker = Tix.StringVar() demo_thrust = Tix.DoubleVar() demo_num_engines = Tix.IntVar() demo_maker.set('P&W') demo_thrust.set(20000.0) demo_num_engines.set(2) top = Tix.Frame(w, bd=1, relief=Tix.RAISED) # $w.top.a allows only integer values # # [Hint] The -options switch sets the options of the subwidgets. # [Hint] We set the label.width subwidget option of the Controls to # be 16 so that their labels appear to be aligned. # a = Tix.Control(top, label='Number of Engines: ', integer=1, variable=demo_num_engines, min=1, max=4, options='entry.width 10 label.width 20 label.anchor e') b = Tix.Control(top, label='Thrust: ', integer=0, min='10000.0', max='60000.0', step=500, variable=demo_thrust, options='entry.width 10 label.width 20 label.anchor e') c = Tix.Control(top, label='Engine Maker: ', value='P&W', variable=demo_maker, options='entry.width 10 label.width 20 label.anchor e') # We can't define these in the init because the widget 'c' doesn't # exist yet and we need to reference it c['incrcmd'] = lambda w=c: adjust_maker(w, 1) c['decrcmd'] = lambda w=c: adjust_maker(w, -1) c['validatecmd'] = lambda w=c: validate_maker(w) a.pack(side=Tix.TOP, anchor=Tix.W) b.pack(side=Tix.TOP, anchor=Tix.W) c.pack(side=Tix.TOP, anchor=Tix.W) box = Tix.ButtonBox(w, orientation=Tix.HORIZONTAL) box.add('ok', text='Ok', underline=0, width=6, command=self.okcmd) box.add('cancel', text='Cancel', underline=0, width=6, command=self.quitcmd) box.pack(side=Tix.BOTTOM, fill=Tix.X) top.pack(side=Tix.TOP, fill=Tix.BOTH, expand=1) def okcmd (self): # tixDemo:Status "Selected %d of %s engines each of thrust %d", (demo_num_engines.get(), demo_maker.get(), demo_thrust.get()) self.quitcmd() def quitcmd (self): self.exit = 0 def mainloop(self): while self.exit < 0: self.root.tk.dooneevent(TCL_ALL_EVENTS) def destroy (self): self.root.destroy() maker_list = ['P&W', 'GE', 'Rolls Royce'] def adjust_maker(w, inc): i = maker_list.index(demo_maker.get()) i = i + inc if i >= len(maker_list): i = 0 elif i < 0: i = len(maker_list) - 1 # In Tcl/Tix we should return the string maker_list[i]. We can't # do that in Tkinter so we set the global variable. (This works). demo_maker.set(maker_list[i]) def validate_maker(w): try: i = maker_list.index(demo_maker.get()) except ValueError: # Works here though. Why ? Beats me. return maker_list[0] # Works here though. Why ? Beats me. return maker_list[i] if __name__ == '__main__': root = Tix.Tk() RunSample(root)
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