Tkinter Quick Reference
import tkinter as tk
my_w = tk.Tk()
my_w.geometry("500x500") # Size of the window
my_w.title("www.plus2net.com") # Adding a title
my_w.mainloop() # Keep the window open| Entry e1 | e1=tk.Entry(my_w,text='plus2net',font=24) e1.get() to read entries e1.delete(0,end) to remove entries textvariable=StringVar() To read or update user entries | |
| Button b1 | b1=tk.Button(my_w,text=’My Button’,width=10,bg=’green’) command=lambda:my_function() to add click event w=b1.cget(‘width’) width of the button state= normal, active or disabled relief =raised , sunken ,flat, ridge, solid & groove Border style | |
| Checkbutton | c1_v1=tk.StringVar() c1 = tk.Checkbutton(my_w, text='PHP', variable=c1_v1, onvalue='Yes',offvalue='No',command=my_upd) c1_v1.get() Read the value c1_v1.set(‘No) Set the value | |
| Radiobutton | r1_v = tk.StringVar() r1_v.set('Passed') Set the value or select the radio button by default r1 = tk.Radiobutton(my_w, text='Passed', variable=r1_v, value='Passed',command=my_upd) r2 = tk.Radiobutton(my_w, text='Failed', variable=r1_v, value='Failed',command=my_upd) | |
| Combobox | sel=tk.StringVar() cb1 = ttk.Combobox(my_w, values=months,width=7,textvariable=sel) cb1.get() Value of the selected option cb1.current() index of the current selection cb1.delete(0,'end') Clear the selection cb1['values'] +=('my new',) Adding option state=active, normal, disabled | |
| Label | font1=[‘Times’,28,’underline’] my_str = tk.StringVar() l1 = tk.Label(my_w, textvariable=my_str, width=10,font=font1,bg='yellow', anchor='center' ) my_str.get() Read the Label my_str.set(‘Welcome’) Update the text relief=raised, sunken, ridge, solid,flat, groove | |
| Text | t1 = tk.Text(my_w, height=1, width=20,bg='yellow') my_str=t1.get("1.0",'end-1c') Read the entry t1.insert(tk.END, my_str) Insert text | |
| Treeview | trv=ttk.Treeview(my_w,selectmode='browse') trv["columns"]=("1","2") trv['show']='headings' trv.column("1",width=30,anchor='c') trv.column("2",width=80,anchor='c') trv.heading("1",text="id") trv.heading("2",text="Name") i=1 trv.insert("",'end',iid=i, values=(i,'Alex') ) | |
| Progressbar | prg1 = ttk.Progressbar(my_w,orient = HORIZONTAL,value=70,length = 300,mode = 'determinate') prg1['value'] =80 Update the value or read the value | |
| Spinbox | t1 = StringVar() sb1 = Spinbox(my_w, from_= 0, to = 10,width=5,textvariable=t1) t1.set(8) Update t1.get() Read | |
| StringVar() | str1=tk.StringVar(value='Option 1') str1.set(‘Option 2’) Update str1.get() Read str1.trace_add('write',my_upd) | |
| Events |
my_w.bind("<Key>", my_event) Key press event my_w.bind("<Button-1>", my_event) Mouse left click event my_w.bind("<Enter>", my_event) Mouse enters widget event.widget Widget object that triggered the event event.x, event.y Mouse coordinates | |
| Message Box |
from tkinter import messagebox messagebox.showinfo("Title", "Info Message") Information message messagebox.showwarning("Title", "Warning Message") messagebox.askyesno("Confirm", "Do you want to exit?") Returns True or False messagebox.askquestion("Confirm", "Delete item?") Returns 'yes' or 'no' | |
| Layout |
w.grid(row=0, column=1, padx=10, pady=5) Grid placement w.pack(side='left', fill='x', expand=True) Pack placement with expansion w.place(x=50, y=30) Place with absolute coordinates sticky='ewns' Stretching in all directions in grid | |
| Canvas |
canvas1 = tk.Canvas(my_w, width=300, height=200, bg='white') canvas1.create_line(10, 10, 200, 10, fill='blue', width=2) Draw a line canvas1.create_rectangle(50, 30, 150, 100, fill='red') Draw a rectangle canvas1.create_oval(100, 50, 200, 150, fill='green') Draw an oval (circle) canvas1.create_text(150, 100, text="Hello", font=('Arial', 12)) Draw text | |
| PanedWindow |
pw = tk.PanedWindow(my_w, orient=tk.HORIZONTAL) left = tk.Label(pw, text="Left Pane", bg='lightblue') right = tk.Label(pw, text="Right Pane", bg='lightgreen') pw.add(left) pw.add(right) pw.pack(fill=tk.BOTH, expand=1) Resizable panes | |
| Notebook (Tabs) |
notebook = ttk.Notebook(my_w) tab1 = tk.Frame(notebook) tab2 = tk.Frame(notebook) notebook.add(tab1, text='Tab 1') notebook.add(tab2, text='Tab 2') notebook.pack(expand=1, fill='both') Tabbed interface | |
| Scale |
scale1 = tk.Scale(my_w, from_=0, to=100, orient=tk.HORIZONTAL) scale1.get() Get current value scale1.set(50) Set value resolution=5 Step size | |
| Scrollbar |
scrollbar = tk.Scrollbar(my_w, orient=tk.VERTICAL) listbox = tk.Listbox(my_w, yscrollcommand=scrollbar.set) scrollbar.config(command=listbox.yview) scrollbar.pack(side='right', fill='y') listbox.pack(side='left', fill='both', expand=True) Vertical scrollbar for Listbox | |
| Listbox |
lb = tk.Listbox(my_w, selectmode='multiple') lb.insert(0, 'Python') lb.insert(1, 'Java') selected = lb.curselection() Get selected indices lb.get(selected[0]) Get selected value | |
| Toplevel (Popup Window) |
def open_window(): top = tk.Toplevel(my_w) top.title("New Window") tk.Label(top, text="This is a popup").pack() btn = tk.Button(my_w, text="Open", command=open_window) btn.pack() Popup child window | |
| Menu |
menu = tk.Menu(my_w) my_w.config(menu=menu) file_menu = tk.Menu(menu, tearoff=0) menu.add_cascade(label="File", menu=file_menu) file_menu.add_command(label="Open") file_menu.add_separator() file_menu.add_command(label="Exit", command=my_w.quit) Dropdown file menu | |
| Tooltip (with Hover Effect) |
from idlelib.tooltip import Hovertip btn = tk.Button(my_w, text="Hover me") btn.pack() Hovertip(btn, "This is a tooltip") Show tip on hover | |
| Frame |
frame1 = tk.Frame(my_w, bg="lightgray", width=200, height=100) frame1.pack(padx=10, pady=10) tk.Label(frame1, text="Inside Frame").pack() Group widgets inside | |
| Separator |
sep = ttk.Separator(my_w, orient='horizontal') sep.pack(fill='x', padx=10, pady=5) Draw a horizontal separator | |
| PanedWindow (Vertical) |
pw = tk.PanedWindow(my_w, orient='vertical') pw.pack(fill='both', expand=True) top = tk.Label(pw, text="Top Pane", bg='lightblue') bottom = tk.Label(pw, text="Bottom Pane", bg='lightgreen') pw.add(top) pw.add(bottom) Vertically split panels | |
| File Dialog |
from tkinter import filedialog file_path = filedialog.askopenfilename(title="Open File") print(file_path) Select a file | |
| Color Picker |
from tkinter import colorchooser color = colorchooser.askcolor(title="Choose Color") print(color[1]) Get HEX value | |
| Date Picker (using tkcalendar) |
from tkcalendar import DateEntry cal = DateEntry(my_w, width=12, background='darkblue', foreground='white', borderwidth=2) cal.pack(pady=10) print(cal.get()) Read selected date | |
| ScrolledText |
from tkinter.scrolledtext import ScrolledText txt = ScrolledText(my_w, width=30, height=10) txt.pack() txt.insert(tk.END, "Welcome to plus2net") Multi-line text with scroll | |
| Timer / Clock |
def update_time(): current = time.strftime('%H:%M:%S') lbl.config(text=current) lbl.after(1000, update_time) lbl = tk.Label(my_w, font=('Helvetica', 24)) lbl.pack() update_time() Live time display | |
| ttkbootstrap Window |
import ttkbootstrap as tb my_w = tb.Window(themename='superhero') my_w.title("Plus2net App") my_w.geometry("400x250") my_w.mainloop() Create styled window | |
| ttkbootstrap Button |
btn = tb.Button(my_w, text="Submit", bootstyle="success", command=my_fun) btn.pack(pady=10) btn.config(state='disabled') Add event & style | |
| ttkbootstrap LabelFrame |
frm = tb.LabelFrame(my_w, text="Student Info", bootstyle="info") frm.pack(padx=10, pady=10, fill='x') Group widgets together | |
| Python 3.12 Match Case |
val = "two" match val: case "one": print("1") case "two": print("2") case _: print("Other") Modern pattern matching | |
| Python 3.12 f-string Debug |
name = "plus2net" print(f"{name=}") Shows name='plus2net' | |
| ttkbootstrap Toast Notification |
from ttkbootstrap.dialogs import ToastNotification toast = ToastNotification(title="Saved", message="Your file is saved", duration=3000) toast.show_toast() Show popup message | |
| ttkbootstrap Font Dialog |
from ttkbootstrap.dialogs import FontDialog fd = FontDialog() fd.show() print(fd.result) Choose fonts easily | |
| ttkbootstrap Color Picker |
from ttkbootstrap.dialogs.colorchooser import ColorChooserDialog cd = ColorChooserDialog(title="Choose") cd.show() print(cd.result) Pick HEX color |
Subhendu Mohapatra
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This article is written by plus2net.com team.
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