app.py

from tkinter import *;
from Chatbot import *;
#from Chatbot import  resp


bg_gray = "#ABB2B9"
BG_COLOR = "#17202A"
text_color = "#EAECEE"
msg = "Hello"
font = "Helvetica 14"
font_bold = "Helvetica 13 bold"
previousq = ""

class ChatApplication:

    def __init__(self):
        self.window = Tk();
        self._setup_main_window()


    def run(self):
        self.window.mainloop()


    def _setup_main_window(self):
        self.window.title("chat")
        self.window.resizable(width=False, height=False)
        self.window.configure(width=470, height= 550, bg= BG_COLOR)


        #head label
        head_label = Label(self.window, bg=BG_COLOR, fg= text_color, text="welcome", font= font_bold, pady=10)
        head_label.place(relwidth = 1) #it should take the whole width of the entrire screen


        # tiny divider
        line = Label(self.window, width = 450, bg = bg_gray)
        line.place(relwidth =1, rely= 0.07, relheight= 0.012)

        # text widget
        self.text_widget = Text(self.window, width = 20, height = 2, bg = BG_COLOR, font = font, padx=5, fg = text_color, pady=5)
        self.text_widget.place(relheight= 0.745, relwidth=1, rely= 0.08)
        self.text_widget.configure(cursor="arrow", state = DISABLED)

        # scroll bar
        scrollbar = Scrollbar(self.text_widget)
        scrollbar.place(relheight = 1,relx = 0.974)
        scrollbar.configure(command=self.text_widget.yview)


        # button label
        button_label = Label(self.window, bg = bg_gray, height = 80)
        button_label.place(relwidth = 1, rely = 0.825)


        #message entry box
        self.msg_entry = Entry(button_label, bg = "#2C3E50", fg = text_color, font = font)
        self.msg_entry.place(relwidth = 0.74, relheight= 0.06, rely = 0.008, relx = 0.011)
        self.msg_entry.focus()
        self.msg_entry.bind("<Return>", self._on_enter_pressed)

        # send button
        send_button = Button(button_label, text = "Send", font = font_bold, width = 20, bg = bg_gray, command = lambda: self._on_enter_pressed(None))
        send_button.place(relx=0.77, rely = 0.008, relheight= 0.06, relwidth = 0.22)



    def _on_enter_pressed(self,event):
        msg = self.msg_entry.get()
        self._insert_message(msg, "You")

    def _insert_message(self, msg,sender):
        if not msg:
            return
        
        self.msg_entry.delete(0, END)
        msg1 = f"{sender}: {msg}\n\n"
        self.text_widget.configure( state=NORMAL)
        self.text_widget.insert(END, msg1)
        self.text_widget.configure(state=DISABLED)

        global previousq
        msg2 = f"{name}: {getResponse(msg, previousq)}\n\n"
        previousq = msg
        self.text_widget.configure(state=NORMAL)
        self.text_widget.insert(END, msg2)
        self.text_widget.configure(state=DISABLED)


        self.text_widget.see(END)


if __name__ == "__main__":
    app = ChatApplication()
    app.run()