python_tkinter事件类型详情

# 单行文本输入框
entry = tkinter.Entry(root)
entry.pack()
# 事件函数
def changered(eventobj):
    # 通过事件对象获取得到组件
    eventobj.widget['bg'] = 'red'#鼠标进入组件变红
def wdc(eventobj):
    eventobj.widget['bg'] = 'white'#鼠标离开组件变白
# 事件绑定
entry.bind('<Enter>',changered)
entry.bind('<Leave>',wdc)

import tkinter

# 创建主窗口
root = tkinter.Tk()
# 设置窗口大小
root.minsize(300,200)

# 变红色
def changer(eventobj):
    eventobj.widget['bg'] = 'red'

# 按Ctrl + r窗口变红色:两条命令 R和r都行
root.bind('<Control-KeyPress-r>',changer)
root.bind('<Control-KeyPress-R>',changer)

# 加入消息循环
root.mainloop()

import tkinter

# 创建主窗口
root = tkinter.Tk()
# 设置窗口大小
root.minsize(300,200)

# 按钮1
btn1 = tkinter.Button(root,text = '1')
btn1.place(x = 20,y = 20,width = 40,height = 40)
# 按钮2
btn2 = tkinter.Button(root,text = '2')
btn2.place(x = 80,y = 20,width = 40,height = 40)
# 按钮3
btn3 = tkinter.Button(root,text = '3')
btn3.place(x = 140,y = 20,width = 40,height = 40)
# 按钮4
btn4 = tkinter.Button(root,text = '4')
btn4.place(x = 20,y = 80,width = 40,height = 40)
# 按钮5
btn5 = tkinter.Button(root,text = '5')
btn5.place(x = 80,y = 80,width = 40,height = 40)
# 按钮6
btn6 = tkinter.Button(root,text = '6')
btn6.place(x = 140,y = 80,width = 40,height = 40)

def changebg(wdc):
    # 鼠标放到按钮上按钮变红
    wdc.widget['bg'] = 'red'
def changebg1(wdc):
    # 鼠标离开按钮上按钮变白
    wdc.widget['bg'] = 'white'
# 绑定按钮鼠标进入事件
btn1.bind_class('Button','<Enter>',changebg)
btn1.bind_class('Button','<Leave>',changebg1)

# 加入消息循环
root.mainloop()

import tkinter

# 创建主窗口
root = tkinter.Tk()
# 设置窗口大小
root.minsize(300,200)

# 按钮
btn1 = tkinter.Button(root,text = '###############')
btn1.pack()
# 输入框
entry = tkinter.Entry(root)
entry.pack()
# 多行输入框
text = tkinter.Text(root,width = 20,height = 5)
text.pack()
# 函数
def changeentry(e):
    # 鼠标点击任意组件,Entry组件都会变红
    entry['bg'] = 'red'

# 事件绑定
btn1.bind_all('<Button-1>',changeentry)

# 加入消息循环
root.mainloop()