New submission from Jason Yang <jason990...@outlook.com>:
When scrolled items by mouse wheel in tk.Listbox/ttk.Combobox, some items not shown. Is it a bug ? or I did something wrong ? In following case, 'Wednesday' will not shown when scroll mouse wheel at - tk.Listbox or vertical scrollbar of tk.Listbox, or - listbox of ttk.Combo ```python from tkinter import * from tkinter import ttk font = ('Courier New', 24) lst = ('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday') root = Tk() frame1 = Frame(root) frame1.pack(side=LEFT) vsb1 = Scrollbar(frame1, orient='v') vsb1.pack(side=RIGHT, fill='y') var = StringVar() var.set(lst) listbox = Listbox(frame1, width=10, height=3, listvariable=var, font=font, yscrollcommand=vsb1.set) listbox.pack(side=LEFT) vsb1.configure(command=listbox.yview) frame2 = Frame(root) frame2.pack(side=LEFT, fill='y') combobox = ttk.Combobox(frame2, values=lst, width=10, height=3, font=font) combobox.pack() root.mainloop() ``` Platform: WIN10 ---------- components: Tkinter files: PeS9r.png messages: 413564 nosy: Jason990420 priority: normal severity: normal status: open title: Item not shown when using mouse wheel to scroll for Listbox/Combobox type: behavior versions: Python 3.8, Python 3.9 Added file: https://bugs.python.org/file50634/PeS9r.png _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue46803> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com