Merge pull request #684 from RaveenaBhasin/virtual

Virtual Keyboard

Author: pawangeek

virtual_keyboard/Images/keyboard.png

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+# ✔ VIRTUAL KEYBOARD
+- ### A Virtual Keyboard is an application created in python with tkinter gui.
+- ### In this application user can enter any text or sentence or paragraph using the virtual keyboard that is embedded under keyboard button.
+- ### This virtual keyboard can print any character (lower or uppercase), any special characters, digits.
+- ### It also supports typing emoji's also.
+- ### Also there are clear, backspace, space, tab keys also in this virtual keyboard.
+
+
+****
+
+# REQUIREMENTS :
+- ### python 3
+- ### tkinter module
+- ### from tkinter messagebox module
+
+****
+
+# How this Script works :
+- ### User just need to download the file and run the virtual_keyboard.py on their local system.
+- ### Now on the main window of the application, one START button will be there clicking on which the main window of virtual keyboard opens.
+- ### In this window there is a text area given, and a button KEYBOARD, clicking on which a virtual keyboard will pop up in the same frame.
+- ### using this virtual keyboard user can enter any text, character, any special charater, digits, and some emoji's also. 
+- ### Inside Keyboard also there is a clear, backspace, sace, tab button also.
+- ### Also there is one hide button, clicking on which the virtual keyboard disappears.
+- ### After user has entered some text in textarea using virtual keyboard, then clicking on the PRINT button, shows messagebox, showing what is printed.
+- ### Also there is an exit button, clicking on which exit dialog box appears asking for the permission of the user for closing the window.
+
+****
+

virtual_keyboard/README.md

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+from tkinter import Tk, Button, END, Label, Canvas, Frame, PhotoImage, NW
+from tkinter import messagebox
+import tkinter.messagebox as mbox
+import tkinter as tk
+
+root = Tk()
+root.title("Virtual Keyboard")
+root.geometry('1000x700')
+
+
+class Keypad(tk.Frame):
+
+    cells = [
+        ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0'],
+        ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+         'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'],
+        ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
+         'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'],
+        ['!', '@', '#', '$', '%', '&', '*', '/', '\'', '.', ',', ';', ':', '?',
+         '<', '>', '😀', '😋', '😂', '🌞', '🌴', '🍕', '🏳', '♻', '✔', '👍'],
+    ]
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        self.target = None
+        self.memory = ''
+
+        for y, row in enumerate(self.cells):
+            for x, item in enumerate(row):
+                b = tk.Button(self,
+                              text=item,
+                              command=lambda text=item: self.append(text),
+                              font=("Arial", 14),
+                              bg="light green",
+                              fg="blue",
+                              borderwidth=3,
+                              relief="raised")
+                b.grid(row=y, column=x, sticky='news')
+
+        x = tk.Button(self,
+                      text='Space',
+                      command=self.space,
+                      font=("Arial", 14),
+                      bg="light green",
+                      fg="blue",
+                      borderwidth=3,
+                      relief="raised")
+        x.grid(row=0, column=10, columnspan='4', sticky='news')
+
+        x = tk.Button(self,
+                      text='tab',
+                      command=self.tab,
+                      font=("Arial", 14),
+                      bg="light green",
+                      fg="blue",
+                      borderwidth=3,
+                      relief="raised")
+        x.grid(row=0, column=14, columnspan='3', sticky='news')
+
+        x = tk.Button(self,
+                      text='Backspace',
+                      command=self.backspace,
+                      font=("Arial", 14),
+                      bg="light green",
+                      fg="blue",
+                      borderwidth=3,
+                      relief="raised")
+        x.grid(row=0, column=17, columnspan='3', sticky='news')
+
+        x = tk.Button(self,
+                      text='Clear',
+                      command=self.clear,
+                      font=("Arial", 14),
+                      bg="light green",
+                      fg="blue",
+                      borderwidth=3,
+                      relief="raised")
+        x.grid(row=0, column=20, columnspan='3', sticky='news')
+
+        x = tk.Button(self,
+                      text='Hide',
+                      command=self.hide,
+                      font=("Arial", 14),
+                      bg="light green",
+                      fg="blue",
+                      borderwidth=3,
+                      relief="raised")
+        x.grid(row=0, column=23, columnspan='3', sticky='news')
+
+    def get(self):
+        if self.target:
+            return self.target.get("1.0", "end-1c")
+
+    def append(self, text):
+        if self.target:
+            self.target.insert('end', text)
+
+    def clear(self):
+        if self.target:
+            self.target.delete('1.0', 'end')
+
+    def backspace(self):
+        if self.target:
+            text = self.get()
+            text = text[:-1]
+            self.clear()
+            self.append(text)
+
+    def space(self):
+        if self.target:
+            text = self.get()
+            text = text + " "
+            self.clear()
+            self.append(text)
+
+    def tab(self):  # 5 spaces
+        if self.target:
+            text = self.get()
+            text = text + "     "
+            self.clear()
+            self.append(text)
+
+    def copy(self):
+        # TODO: copy to clipboad
+        if self.target:
+            self.memory = self.get()
+            self.label['text'] = 'memory: ' + self.memory
+            print(self.memory)
+
+    def paste(self):
+        # TODO: copy from clipboad
+        if self.target:
+            self.append(self.memory)
+
+    def show(self, entry):
+        self.target = entry
+
+        self.place(relx=0.5, rely=0.5, anchor='c')
+
+    def hide(self):
+        self.target = None
+
+        self.place_forget()
+
+# -------------------------------------------------------
+
+
+def print_output():
+    mbox.showinfo("Text Entered",
+                  "Text Entered :\n\n" + text_enter.get('1.0', END))
+
+# firstclick1 = True
+# def on_text_enter_click(event):
+#     """function that gets called whenever entry1 is clicked"""
+#     global firstclick1
+#     if firstclick1:  # if this is the first time they clicked it
+#         firstclick1 = False
+#         text_enter.delete('1.0', "end")  # delete all the text in the entry
+
+
+def des_f1():
+    f1.destroy()
+
+
+f1 = Frame(root, height=700, width=1000)
+f1.propagate(0)
+f1.pack(side='top')
+
+# start1 = Label(f1, text='VIRTUAL', font=("Arial", 100), fg="magenta")
+# start1.place(x=250, y=100)
+#
+# start2 = Label(f1, text='KEYBOARD', font=("Arial", 100), fg="magenta")
+# start2.place(x=150, y=300)
+
+c = Canvas(f1, width=1000, height=700)
+c.pack()
+p1 = PhotoImage(file="Images/keyboard.png")
+c.create_image(200, 100, image=p1, anchor=NW)
+
+start1 = Label(f1,
+               text='VIRTUAL KEYBOARD',
+               font=("Arial", 50),
+               fg="magenta",
+               underline=0)
+start1.place(x=150, y=10)
+
+startb = Button(f1,
+                text="START",
+                command=des_f1,
+                font=("Arial", 30),
+                bg="light green",
+                fg="blue",
+                borderwidth=3,
+                relief="raised")
+startb.place(x=180, y=550)
+
+
+f2 = Frame(root, height=700, width=1000)
+f2.propagate(0)
+f2.pack(side='top')
+
+keypad = Keypad(root)
+
+start2 = Label(f2, text='ENTER TEXT HERE...', font=("Arial", 40), fg="magenta")
+start2.place(x=200, y=460)
+
+text_enter = tk.Text(f2,
+                     height=10,
+                     width=80,
+                     font=("Arial", 15),
+                     bg="light yellow",
+                     fg="brown",
+                     borderwidth=3,
+                     relief="solid")
+text_enter.insert(END, 'Enter your text here from virtual keyboard...')
+# default line in text area, can be cleared when touched
+# text_enter.bind('<FocusIn>', on_text_enter_click)
+text_enter.place(x=50, y=10)
+
+keyboardb = Button(f2,
+                   text="KEYBOARD",
+                   command=lambda: keypad.show(text_enter),
+                   font=("Arial", 30),
+                   bg="light green",
+                   fg="blue",
+                   borderwidth=3,
+                   relief="raised")
+keyboardb.place(x=100, y=550)
+
+printb = Button(f2,
+                text="PRINT",
+                command=print_output,
+                font=("Arial", 30),
+                bg="light green",
+                fg="blue",
+                borderwidth=3,
+                relief="raised")
+printb.place(x=450, y=550)
+
+
+def exit_win():
+    if messagebox.askokcancel("Exit", "Do you want to exit?"):
+        root.destroy()
+
+
+exitb = Button(root,
+               text="EXIT",
+               command=exit_win,
+               font=("Arial", 30),
+               bg="red",
+               fg="blue",
+               borderwidth=3,
+               relief="raised")
+exitb.place(x=700, y=550)
+
+
+root.protocol("WM_DELETE_WINDOW", exit_win)
+root.mainloop()

virtual_keyboard/main.py

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+libraries used : tkinter
+		 messagebox