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from tkinter import *
from tkinter.ttk import *
class TkCanvas():
def __init__(self, root):
self.frame = Frame(root)
self.canvas = Canvas(self.frame)
self.canvas.grid(row=0, column=0, sticky=(N,S,E,W))
self.draw_rect()
quit_button = Button(self.frame, text='Quit', command=self.quit)
quit_button.grid(row=1, column=0, sticky=(S,E))
self.frame.columnconfigure(0, weight=2)
self.frame.rowconfigure(0, weight=2)
self.frame.pack(fill=BOTH, expand=True)
self.canvas.bind("<Button-1>", self.start_line)
self.canvas.bind("<B1-Motion>", self.draw_line)
self.initial = (0,0)
def start_line(self, event):
self.initial = (event.x, event.y)
def draw_line(self, event):
self.canvas.create_line((self.initial[0], self.initial[1], event.x, event.y))
self.initial = (event.x, event.y)
def draw_rect(self):
self.canvas.create_rectangle((100,100), (30,40))
def quit(self):
self.frame.quit()
if __name__ == '__main__':
root = Tk()
app = TkCanvas(root)
root.mainloop()
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