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GUI_Complexity_start_add_button.py
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'''
May 2017
@author: Burkhard
'''
#======================
# imports
#======================
import tkinter as tk
from tkinter import ttk
from tkinter import scrolledtext
from tkinter import Menu
from tkinter import Spinbox
import __init__
import Ch11_Code.ToolTip as tt
GLOBAL_CONST = 42
#===================================================================
class OOP():
def __init__(self):
# Create instance
self.win = tk.Tk()
# Add a title
self.win.title("Python GUI")
self.createWidgets()
# Button callback
def clickMe(self):
self.action.configure(text='Hello ' + self.name.get())
# Button callback Clear Text
def clearScrol(self):
self.scr.delete('1.0', tk.END)
# Spinbox callback
def _spin(self):
value = self.spin.get()
print(value)
self.scr.insert(tk.INSERT, value + '\n')
# Checkbox callback
def checkCallback(self, *ignoredArgs):
# only enable one checkbutton
if self.chVarUn.get(): self.check3.configure(state='disabled')
else: self.check3.configure(state='normal')
if self.chVarEn.get(): self.check2.configure(state='disabled')
else: self.check2.configure(state='normal')
# Radiobutton callback function
def radCall(self):
radSel=self.radVar.get()
if radSel == 0: self.monty2.configure(text='Blue')
elif radSel == 1: self.monty2.configure(text='Gold')
elif radSel == 2: self.monty2.configure(text='Red')
# Exit GUI cleanly
def _quit(self):
self.win.quit()
self.win.destroy()
exit()
def usingGlobal(self):
GLOBAL_CONST = 777
print(GLOBAL_CONST)
#####################################################################################
def createWidgets(self):
# Tab Control introduced here --------------------------------------
tabControl = ttk.Notebook(self.win) # Create Tab Control
tab1 = ttk.Frame(tabControl) # Create a tab
tabControl.add(tab1, text='Tab 1') # Add the tab
tab2 = ttk.Frame(tabControl) # Add a second tab
tabControl.add(tab2, text='Tab 2') # Make second tab visible
tabControl.pack(expand=1, fill="both") # Pack to make visible
# ~ Tab Control introduced here -----------------------------------------
# We are creating a container frame to hold all other widgets
self.monty = ttk.LabelFrame(tab1, text=' Mighty Python ')
self.monty.grid(column=0, row=0, padx=8, pady=4)
# Changing our Label
ttk.Label(self.monty, text="Enter a name:").grid(column=0, row=0, sticky='W')
# Adding a Textbox Entry widget
self.name = tk.StringVar()
nameEntered = ttk.Entry(self.monty, width=12, textvariable=self.name)
nameEntered.grid(column=0, row=1, sticky='W')
# Adding a Button
self.action = ttk.Button(self.monty, text="Click Me!", command=self.clickMe)
self.action.grid(column=2, row=1)
ttk.Label(self.monty, text="Choose a number:").grid(column=1, row=0)
number = tk.StringVar()
numberChosen = ttk.Combobox(self.monty, width=12, textvariable=number)
numberChosen['values'] = (1, 2, 4, 42, 100)
numberChosen.grid(column=1, row=1)
numberChosen.current(0)
# Adding a Spinbox widget using a set of values
self.spin = Spinbox(self.monty, values=(1, 2, 4, 42, 100), width=5, bd=8, command=self._spin)
self.spin.grid(column=0, row=2)
# Using a scrolled Text control
scrolW = 30; scrolH = 3
self.scr = scrolledtext.ScrolledText(self.monty, width=scrolW, height=scrolH, wrap=tk.WORD)
self.scr.grid(column=0, row=3, sticky='WE', columnspan=3)
#-------------------------------------------------------------------------
# Adding another Button
self.action = ttk.Button(self.monty, text="Clear Text", command=self.clearScrol)
self.action.grid(column=2, row=2)
# Tab Control 2 refactoring -----------------------------------------
# We are creating a container frame to hold all other widgets -- Tab2
self.monty2 = ttk.LabelFrame(tab2, text=' Holy Grail ')
self.monty2.grid(column=0, row=0, padx=8, pady=4)
# Creating three checkbuttons
chVarDis = tk.IntVar()
check1 = tk.Checkbutton(self.monty2, text="Disabled", variable=chVarDis, state='disabled')
check1.select()
check1.grid(column=0, row=0, sticky=tk.W)
self.chVarUn = tk.IntVar()
self.check2 = tk.Checkbutton(self.monty2, text="UnChecked", variable=self.chVarUn)
self.check2.deselect()
self.check2.grid(column=1, row=0, sticky=tk.W )
self.chVarEn = tk.IntVar()
self.check3 = tk.Checkbutton(self.monty2, text="Toggle", variable=self.chVarEn)
self.check3.deselect()
self.check3.grid(column=2, row=0, sticky=tk.W)
# trace the state of the two checkbuttons
self.chVarUn.trace('w', lambda unused0, unused1, unused2 : self.checkCallback())
self.chVarEn.trace('w', lambda unused0, unused1, unused2 : self.checkCallback())
# ~ Tab Control 2 refactoring -----------------------------------------
# Radiobutton list
colors = ["Blue", "Gold", "Red"]
self.radVar = tk.IntVar()
# Selecting a non-existing index value for radVar
self.radVar.set(99)
# Creating all three Radiobutton widgets within one loop
for col in range(3):
curRad = 'rad' + str(col)
curRad = tk.Radiobutton(self.monty2, text=colors[col], variable=self.radVar, value=col, command=self.radCall)
curRad.grid(column=col, row=6, sticky=tk.W, columnspan=3)
# And now adding tooltips
tt.createToolTip(curRad, 'This is a Radiobutton control.')
# Create a container to hold labels
labelsFrame = ttk.LabelFrame(self.monty2, text=' Labels in a Frame ')
labelsFrame.grid(column=0, row=7)
# Place labels into the container element - vertically
ttk.Label(labelsFrame, text="Label1").grid(column=0, row=0)
ttk.Label(labelsFrame, text="Label2").grid(column=0, row=1)
# Add some space around each label
for child in labelsFrame.winfo_children():
child.grid_configure(padx=8)
# Creating a Menu Bar
menuBar = Menu(tab1)
self.win.config(menu=menuBar)
# Add menu items
fileMenu = Menu(menuBar, tearoff=0)
fileMenu.add_command(label="New")
fileMenu.add_separator()
fileMenu.add_command(label="Exit", command=self._quit)
menuBar.add_cascade(label="File", menu=fileMenu)
# Add another Menu to the Menu Bar and an item
helpMenu = Menu(menuBar, tearoff=0)
helpMenu.add_command(label="About")
menuBar.add_cascade(label="Help", menu=helpMenu)
# Change the main windows icon
self.win.iconbitmap('pyc.ico')
# Using tkinter Variable Classes
strData = tk.StringVar()
strData.set('Hello StringVar')
print(strData.get())
# Default tkinter Variable Classes
intData = tk.IntVar()
print(intData.get())
print(tk.DoubleVar())
print(tk.BooleanVar())
# It is not necessary to create a tk.StringVar()
strData = tk.StringVar()
strData = self.spin.get()
print("Hello " + strData)
# Printing the Global works
print(GLOBAL_CONST)
# call method
self.usingGlobal()
# Place cursor into name Entry
nameEntered.focus()
# Add a Tooltip to the Spinbox
tt.createToolTip(self.spin, 'This is a Spin control.')
# Add Tooltips to more widgets
tt.createToolTip(nameEntered, 'This is an Entry control.')
tt.createToolTip(self.action, 'This is a Button control.')
tt.createToolTip(self.scr, 'This is a ScrolledText control.')
#======================
# Start GUI
#======================
oop = OOP()
oop.win.mainloop()