GUI development in Python
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| An ______ program responds to actions regardless of the order in which they occur | event-driven
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| A complex GUI program may require more than one ____ window to be in existence at one time. | root
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| A group of ____________ share one special object that reflects which of the check buttons are selected. | radio buttons
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| A widget that can generate an event must have the ____ bound with an event handler. | event
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| A widget's ______ method defines where an object is placed within its master widget. | grid()
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| A(n) ____________________ is a GUI element that accepts and displays multiple lines of text. | text box
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| A(n) ____________________ is a GUI element that allows, as a group, the user to select one option from several. | radio button
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| A(n) ____________________ is a GUI element that allows the user to select or not select an option. | check button
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| A(n) ____________________ is a GUI element that allows, as a group, the user to select one option from several. | radio button
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| A(n) ____________________ loop calls the appropriate event handlers when events occur. | event
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| GUI programs are traditionally _____ driven. | event
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| _______ only allow one choice to be selected at one time while check buttons allow any combination of choices to be selected from the group. | radio buttons
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| The foundation of a GUI program is its _____ window. | root
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| The grid layout manager lets you place widgets at specific locations by treating the ______ as a grid. | frame
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| To create a root window, you instantiate an object of what class? | Tk
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| Usually, what do you assign to a widget's command option? | method
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| What Entry widget method places text into the widget? | insert()
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| What Text widget method returns the text in the widget? | get()
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| What Text widget method removes text from the widget? | delete
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| What Tkinter class is good for displaying multiple lines of text in a GUI? | text
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| Each GUI element is connected to its ______ | master
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| A ______ variable is a special kind of variable that can be only true or false | boolean
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| What is the method that begins a GUI program's event loop? | mainloop()
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| What kind of object does a check button need associated with it to reflect the check button's status? | BooleanVar
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| What kind of object does a group of radio buttons need associated with it to reflect which of the radio buttons is selected? | StringVar
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| What method can you use to modify a widget's options? | configure()
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| What method sets the size of a root window? | geometry
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| You must pass a _________ to the constructor of a new widget object? | master
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| What widget object grid() parameter would you pass a value so that the widget will span more than one column? | columnspan
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| What widget object grid() parameter would you pass a value to set the position of the widget within its defined cell(s)? | sticky
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| What widget option do you set to bind the activation of the widget with an event handler? | command
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| You can have only one root window in a ______ program | Tkinter
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| When you write an event-driven program, you bind events with _________ | event handlers
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| A _____ can hold other widgets | frame
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| A _______ widget is not interactive | label
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| You might choose not to suppress the __________ that a GUI program generates because this can be used to display any error messages that the GUI program produces. | console window
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| What kind of object does a check button need associated with it to reflect the check button's status? | boolean variable
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| What kind of object does a group of radio buttons need associated with it to reflect which of the radio buttons is selected? | stringVar
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| What method can you use to modify a widget's options? | configure()
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