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