mirror of https://github.com/python/cpython
62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
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"""Ttk Theme Selector v2.
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This is an improvement from the other theme selector (themes_combo.py)
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since now you can notice theme changes in Ttk Combobox, Ttk Frame,
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Ttk Label and Ttk Button.
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"""
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import tkinter
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from tkinter import ttk
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class App(ttk.Frame):
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def __init__(self):
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ttk.Frame.__init__(self, borderwidth=3)
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self.style = ttk.Style()
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# XXX Ideally I wouldn't want to create a Tkinter.IntVar to make
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# it works with Checkbutton variable option.
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self.theme_autochange = tkinter.IntVar(self, 0)
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self._setup_widgets()
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def _change_theme(self):
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self.style.theme_use(self.themes_combo.get())
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def _theme_sel_changed(self, widget):
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if self.theme_autochange.get():
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self._change_theme()
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def _setup_widgets(self):
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themes_lbl = ttk.Label(self, text="Themes")
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themes = self.style.theme_names()
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self.themes_combo = ttk.Combobox(self, values=themes, state="readonly")
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self.themes_combo.set(themes[0])
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self.themes_combo.bind("<<ComboboxSelected>>", self._theme_sel_changed)
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change_btn = ttk.Button(self, text='Change Theme',
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command=self._change_theme)
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theme_change_checkbtn = ttk.Checkbutton(self,
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text="Change themes when combobox item is activated",
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variable=self.theme_autochange)
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themes_lbl.grid(ipadx=6, sticky="w")
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self.themes_combo.grid(row=0, column=1, padx=6, sticky="ew")
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change_btn.grid(row=0, column=2, padx=6, sticky="e")
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theme_change_checkbtn.grid(row=1, columnspan=3, sticky="w", pady=6)
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top = self.winfo_toplevel()
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top.rowconfigure(0, weight=1)
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top.columnconfigure(0, weight=1)
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self.columnconfigure(1, weight=1)
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self.grid(row=0, column=0, sticky="nsew", columnspan=3, rowspan=2)
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def main():
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app = App()
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app.master.title("Theme Selector")
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app.mainloop()
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if __name__ == "__main__":
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main()
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