python tkinter 绑定事件合集

from tkinter import *

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

def showAllEvent(event): print(event) for attr in dir(event): if not attr.startswith('__'): print(attr, '=>', getattr(event, attr))

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

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

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

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

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

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

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

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

tkroot = Tk() labelfont = ('courier', 20, 'bold') # family, size, style widget = Label(tkroot, 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>', onArrowKey) # arrow button pressed widget.bind('<Return>', onReturnKey) # return/enter key pressed widget.focus() # or bind keypress to tkroot tkroot.title('Click Me') tkroot.mainloop()