Learn to Program 24
In this part of my Learn to Program tutorial I’ll cover many of the TkInter widgets I haven’t covered before. We’ll explore PIL, Importing Images, Toolbars, List Boxes, Label Frames, Spin Boxes and much more.
If you missed my TkInter tutorial it starts here. My Learn to program series starts here. All of the code and a transcript of the tutorial follows the video below.
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Code & Transcript
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from tkinter import * from PIL import Image, ImageTk class TkInterEx: @staticmethod def quit_app(event=None): root.quit() # Handles events on list box def on_fav_food_select(self, event=None): lb_widget = event.widget # Get index selected index = int(lb_widget.curselection()[0]) # Get value selected in list box lb_value = lb_widget.get(index) self.fav_food_label['text'] = "I'll get you " + lb_value def __init__(self, root): root.title("Toolbar Example") # ---------- Create Menu Bar ---------- # Create menu object menubar = Menu(root) # Create drop down menu file_menu = Menu(root, tearoff=0) # Add menu drop down options file_menu.add_command(label="Open") file_menu.add_command(label="Save") file_menu.add_command(label="Exit", command=self.quit_app) # Add drop down options to File menubar.add_cascade(label="File", menu=file_menu) # ---------- Create Toolbar ---------- # RAISED draws a line under the tool bar and bd defines the border width toolbar = Frame(root, bd=1, relief=RAISED) # Get images for toolbar open_img = Image.open("open.png") save_img = Image.open("disk.png") exit_img = Image.open("exit.png") # Create a TkInter image to be used in the button open_icon = ImageTk.PhotoImage(open_img) save_icon = ImageTk.PhotoImage(save_img) exit_icon = ImageTk.PhotoImage(exit_img) # Create buttons for the toolbar open_button = Button(toolbar, image=open_icon) save_button = Button(toolbar, image=save_icon) exit_button = Button(toolbar, image=exit_icon, command=self.quit_app) open_button.image = open_icon save_button.image = save_icon exit_button.image = exit_icon # Place buttons in the interface open_button.pack(side=LEFT, padx=2, pady=2) save_button.pack(side=LEFT, padx=2, pady=2) exit_button.pack(side=LEFT, padx=2, pady=2) toolbar.pack(side=TOP, fill=X) root.config(menu=menubar) # ---------- Create a List Box ---------- # A listbox displays a list of items to select # A label frame is a frame with a label lb_frame = LabelFrame(root, text="Food Options", padx=5, pady=5) # This label changes based on list box selections self.fav_food_label = Label(lb_frame, text="What is your favorite food") self.fav_food_label.pack() list_box = Listbox(lb_frame) # Create list box options list_box.insert(1, "Spaghetti") list_box.insert(2, "Pizza") list_box.insert(3, "Burgers") list_box.insert(4, "Hot Dogs") # When a list box option is clicked execute the function list_box.bind('<<ListboxSelect>>', self.on_fav_food_select) list_box.pack() lb_frame.pack() # ---------- Create a Spin Box ---------- # Provides a fixed number of values as an option sb_frame = Frame(root) quantity_label = Label(sb_frame, text="How many do you want") quantity_label.pack() # Allow for the values 1 through 5 spin_box = Spinbox(sb_frame, from_=1, to=5) spin_box.pack() extras_label = Label(sb_frame, text="Add on Item") extras_label.pack() # Add a list of custom items extras_spin_box = Spinbox(sb_frame, values=('French Fries', 'Onion Rings', 'Tater Tots')) extras_spin_box.pack() sb_frame.pack() root = Tk() root.geometry("600x550") app = TkInterEx(root) root.mainloop() |
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