tkinter 常用控件使用方法

野性酷女 2022-05-16 13:07 232阅读 0赞

### treeview ###

from tkinter import ttk
    #设置show属性为 headings 即可隐藏首列。
    tree = ttk.Treeview(root,columns=['1','2','3'],show='headings')
    tree.column('1',width=100,anchor='center')
    tree.column('2',width=100,anchor='center')
    tree.column('3',width=100,anchor='center')
    tree.heading('1',text='姓名')
    tree.heading('2',text='成绩')
    
    tree.insert('','end',values=['A','B','C'])#插入
    
    [tree.delete(item) for item in   tree.get_children() ]   #清空
    
    #获取条目值
    def treeviewClick(event):#单击
        print ('单击')
        for item in tree.selection():
            item_text = tree.item(item,"values")
            print(item_text[0])#输出所选行的第一列的值
    
    tree.bind('<ButtonRelease-1>', treeviewClick)#绑定单击离开事件===========

[https://stackoverflow.com/questions/34849035/how-to-get-the-value-of-a-selected-treeview-item][https_stackoverflow.com_questions_34849035_how-to-get-the-value-of-a-selected-treeview-item]  
综合使用： [https://www.cnblogs.com/Tommy-Yu/p/4156014.html][https_www.cnblogs.com_Tommy-Yu_p_4156014.html]  
用法杂记：[https://www.cnblogs.com/wumac/p/5816764.html][https_www.cnblogs.com_wumac_p_5816764.html]

##### Command #####

self.Command2.config(state='disabled')

--------------------

##### 其他 #####

self.Text1.delete(0, 'end')
    self.Label2.config(text='请先点击获取按钮!!!')

#### 事件大全 ####

<table> 
 <tbody> 
  <tr> 
   <td>事件</td> 
   <td>代码</td> 
  </tr> 
  <tr> 
   <td>鼠标左键单击按下</td> 
   <td>1/Button-1/ButtonPress-1</td> 
  </tr> 
  <tr> 
   <td>鼠标左键单击松开</td> 
   <td>ButtonRelease-1</td> 
  </tr> 
  <tr> 
   <td>鼠标右键单击</td> 
   <td>3</td> 
  </tr> 
  <tr> 
   <td>鼠标左键双击</td> 
   <td>Double-1/Double-Button-1</td> 
  </tr> 
  <tr> 
   <td>鼠标右键双击</td> 
   <td>Double-3</td> 
  </tr> 
  <tr> 
   <td>鼠标滚轮单击</td> 
   <td>2</td> 
  </tr> 
  <tr> 
   <td>鼠标滚轮双击</td> 
   <td>Double-2</td> 
  </tr> 
  <tr> 
   <td>鼠标移动</td> 
   <td>B1-Motion</td> 
  </tr> 
  <tr> 
   <td>鼠标移动到区域</td> 
   <td>Enter</td> 
  </tr> 
  <tr> 
   <td>鼠标离开区域</td> 
   <td>Leave</td> 
  </tr> 
  <tr> 
   <td>获得键盘焦点</td> 
   <td>FocusIn</td> 
  </tr> 
  <tr> 
   <td>失去键盘焦点</td> 
   <td>FocusOut</td> 
  </tr> 
  <tr> 
   <td>键盘事件</td> 
   <td>Key</td> 
  </tr> 
  <tr> 
   <td>回车键</td> 
   <td>Return</td> 
  </tr> 
  <tr> 
   <td>控件尺寸变</td> 
   <td>Configure</td> 
  </tr> 
 </tbody> 
</table>

#### 文本框添加右键 ####

from tkinter import *
    class RightKey:
        def __init__(self,root):
            self.root=root
            self.menubar = Menu(self.root, tearoff=False)
        def _cut(self,editor, event=None):
            editor.event_generate("<<Cut>>")
        def _copy(self,editor, event=None):
            editor.event_generate("<<Copy>>")
        def _paste(self,editor, event=None):
            editor.event_generate('<<Paste>>')
        def rightKey(self,event, editor):
            self.menubar.delete(0,END)
            self.menubar.add_command(label='剪切(X) Ctrl+X',command=lambda:self._cut(editor))
            self.menubar.add_command(label='复制(C) Ctrl+C',command=lambda:self._copy(editor))
            self.menubar.add_command(label='粘贴(V) Ctrl+V',command=lambda:self._paste(editor))
            self.menubar.post(event.x_root,event.y_root)
    
    if __name__=='__main__':
        root=Tk()
        a=RightKey(root)
         #创建一个菜单
        #以Entry为例，Text对象完全一样。
        ent=Entry(root)
        ent.pack()
        ent.bind("<Button-3>", lambda x: a.rightKey(x, ent))#绑定右键鼠标事件
        root.mainloop()

[https_stackoverflow.com_questions_34849035_how-to-get-the-value-of-a-selected-treeview-item]: https://stackoverflow.com/questions/34849035/how-to-get-the-value-of-a-selected-treeview-item
[https_www.cnblogs.com_Tommy-Yu_p_4156014.html]: https://www.cnblogs.com/Tommy-Yu/p/4156014.html
[https_www.cnblogs.com_wumac_p_5816764.html]: https://www.cnblogs.com/wumac/p/5816764.html