mirror of
https://github.com/python/cpython.git
synced 2025-10-31 13:41:24 +00:00
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
|
"""A Ttk Notebook with close buttons.
|
||
|
|
|
||
|
|
Based on an example by patthoyts, http://paste.tclers.tk/896
|
||
|
|
"""
|
||
|
|
import os
|
||
|
|
import tkinter
|
||
|
|
from tkinter import ttk
|
||
|
|
|
||
|
|
root = tkinter.Tk()
|
||
|
|
|
||
|
|
imgdir = os.path.join(os.path.dirname(__file__), 'img')
|
||
|
|
i1 = tkinter.PhotoImage("img_close", file=os.path.join(imgdir, 'close.gif'))
|
||
|
|
i2 = tkinter.PhotoImage("img_closeactive",
|
||
|
|
file=os.path.join(imgdir, 'close_active.gif'))
|
||
|
|
i3 = tkinter.PhotoImage("img_closepressed",
|
||
|
|
file=os.path.join(imgdir, 'close_pressed.gif'))
|
||
|
|
|
||
|
|
style = ttk.Style()
|
||
|
|
|
||
|
|
style.element_create("close", "image", "img_close",
|
||
|
|
("active", "pressed", "!disabled", "img_closepressed"),
|
||
|
|
("active", "!disabled", "img_closeactive"), border=8, sticky='')
|
||
|
|
|
||
|
|
style.layout("ButtonNotebook", [("ButtonNotebook.client", {"sticky": "nswe"})])
|
||
|
|
style.layout("ButtonNotebook.Tab", [
|
||
|
|
("ButtonNotebook.tab", {"sticky": "nswe", "children":
|
||
|
|
[("ButtonNotebook.padding", {"side": "top", "sticky": "nswe",
|
||
|
|
"children":
|
||
|
|
[("ButtonNotebook.focus", {"side": "top", "sticky": "nswe",
|
||
|
|
"children":
|
||
|
|
[("ButtonNotebook.label", {"side": "left", "sticky": ''}),
|
||
|
|
("ButtonNotebook.close", {"side": "left", "sticky": ''})]
|
||
|
|
})]
|
||
|
|
})]
|
||
|
|
})]
|
||
|
|
)
|
||
|
|
|
||
|
|
def btn_press(event):
|
||
|
|
x, y, widget = event.x, event.y, event.widget
|
||
|
|
elem = widget.identify(x, y)
|
||
|
|
index = widget.index("@%d,%d" % (x, y))
|
||
|
|
|
||
|
|
if "close" in elem:
|
||
|
|
widget.state(['pressed'])
|
||
|
|
widget.pressed_index = index
|
||
|
|
|
||
|
|
def btn_release(event):
|
||
|
|
x, y, widget = event.x, event.y, event.widget
|
||
|
|
|
||
|
|
if not widget.instate(['pressed']):
|
||
|
|
return
|
||
|
|
|
||
|
|
elem = widget.identify(x, y)
|
||
|
|
index = widget.index("@%d,%d" % (x, y))
|
||
|
|
|
||
|
|
if "close" in elem and widget.pressed_index == index:
|
||
|
|
widget.forget(index)
|
||
|
|
widget.event_generate("<<NotebookClosedTab>>")
|
||
|
|
|
||
|
|
widget.state(["!pressed"])
|
||
|
|
widget.pressed_index = None
|
||
|
|
|
||
|
|
|
||
|
|
root.bind_class("TNotebook", "<ButtonPress-1>", btn_press, True)
|
||
|
|
root.bind_class("TNotebook", "<ButtonRelease-1>", btn_release)
|
||
|
|
|
||
|
|
# create a ttk notebook with our custom style, and add some tabs to it
|
||
|
|
nb = ttk.Notebook(width=200, height=200, style="ButtonNotebook")
|
||
|
|
nb.pressed_index = None
|
||
|
|
f1 = tkinter.Frame(nb, background="red")
|
||
|
|
f2 = tkinter.Frame(nb, background="green")
|
||
|
|
f3 = tkinter.Frame(nb, background="blue")
|
||
|
|
nb.add(f1, text='Red', padding=3)
|
||
|
|
nb.add(f2, text='Green', padding=3)
|
||
|
|
nb.add(f3, text='Blue', padding=3)
|
||
|
|
nb.pack(expand=1, fill='both')
|
||
|
|
|
||
|
|
root.mainloop()
|