mirror of https://github.com/python/cpython.git
63 lines
1.5 KiB
Python
63 lines
1.5 KiB
Python
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#
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# Example 2 - Using fl in python with callbacks.
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#
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# The form is named 'main_form' and resides on file 'test_cb.fd'.
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# It has three objects named button1, button2 and exitbutton.
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# All buttons have callbacks with the same names as their corresponding
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# buttons but with CB appended.
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#
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import fl # The forms library
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import FL # Symbolic constants for the above
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import flp # The module to parse .fd files
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import sys
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# The following struct is created to hold the instance variables
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# main_form, button1, button2 and exitbutton.
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class myform():
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#
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# The init function parses and creates the form, but doesn't
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# display it (yet).
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def init(self, number):
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#
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# First we parse the form
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parsetree = flp.parse_form('test_cb', 'main_form')
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#
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# Next we create it
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flp.create_full_form(self, parsetree)
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# And keep our number
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self.number = number
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return self
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#
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# The show function displays the form. It doesn't do any interaction,
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# though.
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def show(self):
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self.main_form.show_form(FL.PLACE_SIZE, 1, '')
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# The callback functions
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def button1CB(self, obj, arg):
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print 'Button 1 pressed on form', self.number
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def button2CB(self, obj, arg):
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print 'Button 2 pressed on form', self.number
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def exitbuttonCB(self, obj, arg):
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print 'Ok, bye bye'
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sys.exit(0)
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#
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# The main program. Instantiate two variables of the forms class
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# and interact with them.
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form1 = myform().init(1)
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form2 = myform().init(2)
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form1.show()
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form2.show()
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obj = fl.do_forms()
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print 'do_forms() returned. This should not happen. obj=', obj
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