Welcome folks today in this blog post we will be building a tkinter calendar widget inside tkinter to display dates inside the gui. All the full source code of the application is shown below.
Get Started
In order to get started we need to make an app.py file and copy paste the following code
app.py
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import tkinter as Tkinter import calendar import time import tkinter.font as TkFont from tkinter import ttk def sequence(*functions): # to run 2 or more functions on button click for function in functions: function() def update(y, m, tx, curdate): # generate calendar with right colors calstr = calendar.month(y, m) tx.configure(state=Tkinter.NORMAL) tx.delete('0.0', Tkinter.END) # remove previous calendar tx.insert(Tkinter.INSERT, calstr) for i in range(2, 9): tx.tag_add("others", '{}.0'.format(i), '{}.end'.format(i)) # tag days for coloring if len(tx.get('{}.0'.format(i), '{}.end'.format(i))) == 20: tx.tag_add("sun", '{}.end-2c'.format(i), '{}.end'.format(i)) tx.tag_config("sun", foreground="#fb4622") tx.tag_config("others", foreground="#427eb5") tx.tag_add("head", '1.0', '1.end') if curdate[0] == y and curdate[1] == m: index = tx.search(str(curdate[2]), '2.0') # search for today's date tx.tag_add("cur", index, '{}+2c'.format(index)) # highlight today's date tx.tag_config("cur", background="blue", foreground="white") tx.tag_config("head", font="arial", foreground="#0d8241", justify=Tkinter.CENTER) tx.configure(state=Tkinter.DISABLED) # make text view not editable top = Tkinter.Tk() top.title("Calendar") top.minsize(200, 200) top.maxsize(250, 250) curtime = time.localtime() year = Tkinter.StringVar() month = Tkinter.StringVar() yearInt = curtime[0] monthInt = curtime[1] dateInt = curtime[2] HLayout = ttk.PanedWindow(top, orient=Tkinter.HORIZONTAL) ctx = Tkinter.Text(top, padx=10, pady=10, bg="#f3e9ae", relief=Tkinter.FLAT, height=9, width=20) # text view to passing to functions def nextb(): # on click next button global monthInt, yearInt, ctx, curtime monthInt += 1 if monthInt > 12: monthInt = monthInt % 12 yearInt += 1 update(yearInt, monthInt, ctx, curtime) def prevb(): # on click previous button global monthInt, yearInt, ctx, curtime monthInt -= 1 if monthInt < 1: monthInt = 12 yearInt -= 1 update(yearInt, monthInt, ctx, curtime) def okcall(): # ok button click inside go to date window global monthInt, yearInt, ctx, curtime if (year.get().isdigit() and month.get().isdigit()) and ( (0 < int(year.get()) < 10000) and (0 < int(month.get()) < 13)): yearInt = int(year.get()) monthInt = int(month.get()) update(yearInt, monthInt, ctx, curtime) def gotod(): # go to date window creation newtop = Tkinter.Toplevel() newtop.title("Calendar") newtop.maxsize(190, 190) newtop.focus_set() newtop.tk.call('wm', 'iconphoto', newtop._w, logo) HLayout = ttk.PanedWindow(newtop, orient=Tkinter.HORIZONTAL) HLayout2 = ttk.PanedWindow(newtop, orient=Tkinter.HORIZONTAL) yearText = ttk.Label(HLayout, text="Year :") yearEdit = ttk.Entry(HLayout, textvariable=year) monthText = ttk.Label(HLayout2, text="Month:") monthEdit = ttk.Entry(HLayout2, textvariable=month) okb = ttk.Button(newtop, text="Ok", command=lambda: sequence(okcall, newtop.destroy)) yearText.pack(side=Tkinter.LEFT) yearEdit.pack(side=Tkinter.RIGHT) monthText.pack(side=Tkinter.LEFT) monthEdit.pack(side=Tkinter.RIGHT) HLayout.pack() HLayout2.pack() okb.pack() newtop.mainloop() def about_show(): # about window creation newtop = Tkinter.Toplevel() newtop.title("Calendar") newtop.maxsize(190, 190) newtop.focus_set() newtop.tk.call('wm', 'iconphoto', newtop._w, logo) about = ttk.LabelFrame(newtop, text="About") Tkinter.Label(about, text="Calendar 2.0").pack() Tkinter.Label(about, image=logo, text="Developer: Britalstar", compound=Tkinter.BOTTOM).pack() about.pack() newtop.mainloop() update(yearInt, monthInt, ctx, curtime) # for first run, generate calendar prev = ttk.Button(HLayout, text="<<", command=prevb) nex = ttk.Button(HLayout, text=">>", command=nextb) goto = ttk.Button(top, text="Goto", command=gotod) menubar = Tkinter.Menu(top, relief=Tkinter.FLAT) filemenu = Tkinter.Menu(menubar, tearoff=0, relief=Tkinter.FLAT) helpmenu = Tkinter.Menu(menubar, tearoff=0, relief=Tkinter.FLAT) filemenu.add_command(label="Goto", command=gotod) filemenu.add_separator() filemenu.add_command(label="Exit", command=top.destroy) helpmenu.add_command(label="About", command=about_show) menubar.add_cascade(label="File", menu=filemenu) menubar.add_cascade(label="Help", menu=helpmenu) top.config(menu=menubar) prev.pack(side=Tkinter.LEFT) nex.pack(side=Tkinter.RIGHT) ctx.pack() HLayout.pack() goto.pack() top.mainloop() |
Now if you execute the python script by typing the below command as shown below
python app.py
