Das deutsche Python-Forum

Code: Alles auswählen

#!/usr/bin/env python3
# -*- coding: utf-8 -*-


import tkinter as tk
from tkinter import ttk
from collections import OrderedDict
import os


NL = os.linesep


class App(ttk.Frame):
    def __init__(self, master, **kwargs):
        ttk.Frame.__init__(self, master, **kwargs)

        self.winfo_toplevel().title("Styling in ttk")

        # style names : widget1.entry.app.TEntry

        self.widgetstyleformat = "widget{}.{}.app.T{}"
        self._actual = tk.StringVar()
        self._info = tk.StringVar()

        self.widgetclasses =  OrderedDict()
        self.widgetclasses["Label"] = ttk.Label
        self.widgetclasses["Entry"] = ttk.Entry
        self.widgetclasses["Combobox"] = ttk.Combobox

        self.widgetcounter = 4
        self.row = 0

        self._setup_styler()
        self._setup_infolabel()
        self._setup_widgetframes()

    def _setup_infolabel(self):
        tk.Label(self,
                 textvariable=self._info,
                 height=12,
                 relief="groove",
                 bd=2)\
            .grid(row=self.row, column=0, columnspan=10, pady=5, padx=3,
                  sticky="news")
        self.row += 1

    def _setup_widgetframes(self):
        for r, widget in enumerate(self.widgetclasses):
            self.row += r

            # self._setup_widgetframe(widget, row)
            # frame : entry.app.TLabelframe

            styling = widget.lower() + ".app.TLabelframe"
            text = "Frame for {} - widgets".format(widget)
            frm = ttk.Labelframe(self, style=styling, text=text)
            frm.grid(row=self.row, column=0, sticky="news")

            # widgets in the frame : entry.app.TEntry

            wclass = self.widgetclasses[widget]

            fmt = self.widgetstyleformat
            for i in range(self.widgetcounter):
                text = "{} {}".format(widget, i)
                styling = fmt.format(i, widget.lower(), widget)
                wclass(frm, style=styling,
                       text=text).grid(row=0, column=i)

        self.row += 1

    def _setup_styler(self):
        styling = "styler.app.TLabelframe"
        text = "Stylings"
        frm = ttk.Labelframe(self, style=styling, text=text)
        frm.grid(row=self.row, column=0, sticky="news")

        radiobuttons = [str(x) for x in range(4)]

        for c, name in enumerate(radiobuttons):
            text = "Style " + name
            styling = "radio{}.radio.app.TRadiobutton".format(c)
            cbo = ttk.Radiobutton(frm,
                                  style=styling,
                                  variable=self._actual,
                                  value=c,
                                  text=text,
                                  command=self.on_click_set_style)
            cbo.grid(row=0, column=c, sticky="news")

        self.row += 1

    # Events

    def on_click_set_style(self):
        style = ttk.Style()

        def _set_(**stylings):
            info = ""
            for styleclass in stylings:
                options = stylings[styleclass]
                info += "Styling Information: {}".format(styleclass) + NL
                if options:
                    info += "  - "
                    info += ",".join(["{}: '{}'".format(x, y) for x, y
                                      in list(options.items())])
                info += NL

                self._info.set(value=info)
                style.configure(styleclass, **options)

        # style names : widget1.entry.app.TEntry

        i = int(self._actual.get())
        if i == 0:
            styling = {
                "label.app.TLabel": {
                    "relief": "sunken",
                    "padding": 0,
                    "fg": "red"},
            }
            _set_(**styling)

        elif i == 1:
            styling = {
                "label.app.TLabel": {
                    "relief": "raised",
                    "padding": 3},
                "label1.label.app.TLabel": {
                    "relief": "sunken",
                    "fg": "red",
                    "padding": 5},
                "entry.app.TEntry": {
                    "relief": "raised",
                    "padding": 3},
                "combobox.app.TCombobox": {
                    "bg": "red"
                }
            }
            _set_(**styling)

        elif i == 2:
            pass
        elif i == 3:
            pass


if __name__ == '__main__':
    root = tk.Tk()
    app = App(root)
    app.grid(sticky="news")
    root.mainloop()