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      1 """A Ttk Notebook with close buttons.
      2 
      3 Based on an example by patthoyts, http://paste.tclers.tk/896
      4 """
      5 import os
      6 import Tkinter
      7 import ttk
      8 
      9 root = Tkinter.Tk()
     10 
     11 imgdir = os.path.join(os.path.dirname(__file__), 'img')
     12 i1 = Tkinter.PhotoImage("img_close", file=os.path.join(imgdir, 'close.gif'))
     13 i2 = Tkinter.PhotoImage("img_closeactive",
     14     file=os.path.join(imgdir, 'close_active.gif'))
     15 i3 = Tkinter.PhotoImage("img_closepressed",
     16     file=os.path.join(imgdir, 'close_pressed.gif'))
     17 
     18 style = ttk.Style()
     19 
     20 style.element_create("close", "image", "img_close",
     21     ("active", "pressed", "!disabled", "img_closepressed"),
     22     ("active", "!disabled", "img_closeactive"), border=8, sticky='')
     23 
     24 style.layout("ButtonNotebook", [("ButtonNotebook.client", {"sticky": "nswe"})])
     25 style.layout("ButtonNotebook.Tab", [
     26     ("ButtonNotebook.tab", {"sticky": "nswe", "children":
     27         [("ButtonNotebook.padding", {"side": "top", "sticky": "nswe",
     28                                      "children":
     29             [("ButtonNotebook.focus", {"side": "top", "sticky": "nswe",
     30                                        "children":
     31                 [("ButtonNotebook.label", {"side": "left", "sticky": ''}),
     32                  ("ButtonNotebook.close", {"side": "left", "sticky": ''})]
     33             })]
     34         })]
     35     })]
     36 )
     37 
     38 def btn_press(event):
     39     x, y, widget = event.x, event.y, event.widget
     40     elem = widget.identify(x, y)
     41     index = widget.index("@%d,%d" % (x, y))
     42 
     43     if "close" in elem:
     44         widget.state(['pressed'])
     45         widget.pressed_index = index
     46 
     47 def btn_release(event):
     48     x, y, widget = event.x, event.y, event.widget
     49 
     50     if not widget.instate(['pressed']):
     51         return
     52 
     53     elem =  widget.identify(x, y)
     54     index = widget.index("@%d,%d" % (x, y))
     55 
     56     if "close" in elem and widget.pressed_index == index:
     57         widget.forget(index)
     58         widget.event_generate("<<NotebookClosedTab>>")
     59 
     60     widget.state(["!pressed"])
     61     widget.pressed_index = None
     62 
     63 
     64 root.bind_class("TNotebook", "<ButtonPress-1>", btn_press, True)
     65 root.bind_class("TNotebook", "<ButtonRelease-1>", btn_release)
     66 
     67 # create a ttk notebook with our custom style, and add some tabs to it
     68 nb = ttk.Notebook(width=200, height=200, style="ButtonNotebook")
     69 nb.pressed_index = None
     70 f1 = Tkinter.Frame(nb, background="red")
     71 f2 = Tkinter.Frame(nb, background="green")
     72 f3 = Tkinter.Frame(nb, background="blue")
     73 nb.add(f1, text='Red', padding=3)
     74 nb.add(f2, text='Green', padding=3)
     75 nb.add(f3, text='Blue', padding=3)
     76 nb.pack(expand=1, fill='both')
     77 
     78 root.mainloop()
     79