mirror of https://github.com/python/cpython
113 lines
3.2 KiB
Python
113 lines
3.2 KiB
Python
from tkinter import *
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# some vocabulary to keep from getting confused. This terminology
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# is something I cooked up for this file, but follows the man pages
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# pretty closely
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#
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#
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#
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# This is a MENUBUTTON
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# V
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# +-------------+
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# | |
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#
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# +------------++------------++------------+
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# | || || |
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# | File || Edit || Options | <-------- the MENUBAR
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# | || || |
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# +------------++------------++------------+
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# | New... |
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# | Open... |
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# | Print |
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# | | <------ This is a MENU. The lines of text in the menu are
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# | | MENU ENTRIES
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# | +---------------+
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# | Open Files > | file1 |
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# | | file2 |
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# | | another file | <------ this cascading part is also a MENU
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# +----------------| |
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# | |
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# | |
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# | |
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# +---------------+
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def new_file():
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print("opening new file")
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def open_file():
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print("opening OLD file")
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def makeFileMenu():
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# make menu button : "File"
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File_button = Menubutton(mBar, text='File', underline=0)
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File_button.pack(side=LEFT, padx="1m")
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File_button.menu = Menu(File_button)
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# add an item. The first param is a menu entry type,
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# must be one of: "cascade", "checkbutton", "command", "radiobutton", "separator"
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# see menu-demo-2.py for examples of use
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File_button.menu.add_command(label='New...', underline=0,
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command=new_file)
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File_button.menu.add_command(label='Open...', underline=0,
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command=open_file)
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File_button.menu.add_command(label='Quit', underline=0,
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command='exit')
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# set up a pointer from the file menubutton back to the file menu
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File_button['menu'] = File_button.menu
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return File_button
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def makeEditMenu():
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Edit_button = Menubutton(mBar, text='Edit', underline=0)
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Edit_button.pack(side=LEFT, padx="1m")
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Edit_button.menu = Menu(Edit_button)
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# just to be cute, let's disable the undo option:
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Edit_button.menu.add('command', label="Undo")
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# Since the tear-off bar is the 0th entry,
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# undo is the 1st entry...
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Edit_button.menu.entryconfig(1, state=DISABLED)
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# and these are just for show. No "command" callbacks attached.
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Edit_button.menu.add_command(label="Cut")
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Edit_button.menu.add_command(label="Copy")
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Edit_button.menu.add_command(label="Paste")
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# set up a pointer from the file menubutton back to the file menu
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Edit_button['menu'] = Edit_button.menu
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return Edit_button
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#################################################
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#### Main starts here ...
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root = Tk()
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# make a menu bar
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mBar = Frame(root, relief=RAISED, borderwidth=2)
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mBar.pack(fill=X)
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File_button = makeFileMenu()
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Edit_button = makeEditMenu()
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# finally, install the buttons in the menu bar.
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# This allows for scanning from one menubutton to the next.
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mBar.tk_menuBar(File_button, Edit_button)
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root.title('menu demo')
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root.iconname('packer')
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root.mainloop()
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