# Tk_bind_basics.py

# Tk_bind_basics.py

from Tkinter import *

def showPosEvent(event):
    print 'X=%s Y=%s' % (event.x, event.y)

def onKeyPress(event):
    print 'Got key press:', event.char

def upArrowKey(event):
    print 'Got up arrow key press'

def downArrowKey(event):
    print 'Got down arrow key press'

def leftArrowKey(event):
    print 'Got left arrow key press'

def rightArrowKey(event):
    print 'Got right arrow key press'

def onReturnKey(event):
    print 'Got return key press'

def onLeave(event):
    print 'Mouse pointer left the widget'

def onEnter(event):
    print 'Mouse pointer entered the widget'

def onLeftClick(event):
    print 'Got left mouse button click:',
    showPosEvent(event)

def onRightClick(event):
    print 'Got right mouse button click:',
    showPosEvent(event)

def onMiddleClick(event):
    print 'Got middle mouse button click:',
    showPosEvent(event)

def onLeftDrag(event):
    print 'Got left mouse button drag:',
    showPosEvent(event)

def onDoubleLeftClick(event):
    print 'Got double left mouse click',
    showPosEvent(event)
    root.quit()

root = Tk()
labelfont = ('courier', 20, 'bold')                 # family, size, style
widget = Label(root, text='Hello Bind World!')
widget.config(bg='red', font=labelfont)             # red background, large font
widget.config(height=5, width=20)                   # initial size: lines,chars
widget.pack(expand=YES, fill=BOTH)

widget.bind('<Button-1>',  onLeftClick)             # mouse button clicks
widget.bind('<Button-3>',  onRightClick)
widget.bind('<Button-2>',  onMiddleClick)           # middle=both on some mice
widget.bind('<Double-1>',  onDoubleLeftClick)       # click left twice
widget.bind('<B1-Motion>', onLeftDrag)              # click left and move

widget.bind('<KeyPress>',  onKeyPress)              # all keyboard presses
widget.bind('<Up>',        upArrowKey)              # arrow button pressed
widget.bind('<Down>',      downArrowKey)            # arrow button pressed
widget.bind('<Left>',      leftArrowKey)            # arrow button pressed
widget.bind('<Right>',     rightArrowKey)           # arrow button pressed
widget.bind('<Leave>',     onLeave)                 # arrow button pressed
widget.bind('<Enter>',     onEnter)                 # return/enter key pressed
widget.bind('<Return>',    onReturnKey)             # return/enter key pressed
widget.focus()                                      # or bind keypress to root
root.title('Click Me')
root.mainloop()