example.py

"""
Example script for testing the Sun Valley theme

License: GNU GPLv3 license
Source: https://github.com/blyamur/Spring-Noon-ttk-theme/
Based on https://github.com/rdbende/Sun-Valley-ttk-theme
"""


import tkinter as tk
from tkinter import ttk


class App(ttk.Frame):
    def __init__(self, parent):
        ttk.Frame.__init__(self)

        # Make the app responsive
        for index in [0, 1, 2]:
            self.columnconfigure(index=index, weight=1)
            self.rowconfigure(index=index, weight=1)

        # Create value lists
        self.option_menu_list = ["", "OptionMenu", "Option 1", "Option 2"]
        self.combo_list = ["Combobox", "Editable item 1", "Editable item 2"]
        self.readonly_combo_list = ["Readonly combobox", "Item 1", "Item 2"]

        # Create control variables
        self.var_0 = tk.BooleanVar()
        self.var_1 = tk.BooleanVar(value=True)
        self.var_2 = tk.BooleanVar()
        self.var_3 = tk.IntVar(value=2)
        self.var_4 = tk.StringVar(value=self.option_menu_list[1])
        self.var_5 = tk.DoubleVar(value=75.0)

        # Create widgets :)
        self.setup_widgets()

    def setup_widgets(self):
        # Create a Frame for the Checkbuttons
        self.check_frame = ttk.LabelFrame(self, text="Checkbuttons", padding=(20, 10))
        self.check_frame.grid(
            row=0, column=0, padx=(20, 10), pady=(20, 10), sticky="nsew"
        )

        # Checkbuttons
        self.check_1 = ttk.Checkbutton(
            self.check_frame, text="Unchecked", variable=self.var_0
        )
        self.check_1.grid(row=0, column=0, padx=5, pady=10, sticky="nsew")

        self.check_2 = ttk.Checkbutton(
            self.check_frame, text="Checked", variable=self.var_1
        )
        self.check_2.grid(row=1, column=0, padx=5, pady=10, sticky="nsew")

        self.check_3 = ttk.Checkbutton(
            self.check_frame, text="Third state", variable=self.var_2
        )
        self.check_3.state(["alternate"])
        self.check_3.grid(row=2, column=0, padx=5, pady=10, sticky="nsew")

        self.check_4 = ttk.Checkbutton(
            self.check_frame, text="Disabled", state="disabled"
        )
        self.check_4.state(["disabled !alternate"])
        self.check_4.grid(row=3, column=0, padx=5, pady=10, sticky="nsew")

        # Separator
        self.separator = ttk.Separator(self)
        self.separator.grid(row=1, column=0, padx=(20, 10), pady=10, sticky="ew")

        # Create a Frame for the Radiobuttons
        self.radio_frame = ttk.LabelFrame(self, text="Radiobuttons", padding=(20, 10))
        self.radio_frame.grid(row=2, column=0, padx=(20, 10), pady=10, sticky="nsew")

        # Radiobuttons
        self.radio_1 = ttk.Radiobutton(
            self.radio_frame, text="Unselected", variable=self.var_3, value=1
        )
        self.radio_1.grid(row=0, column=0, padx=5, pady=10, sticky="nsew")
        self.radio_2 = ttk.Radiobutton(
            self.radio_frame, text="Selected", variable=self.var_3, value=2
        )
        self.radio_2.grid(row=1, column=0, padx=5, pady=10, sticky="nsew")
        self.radio_4 = ttk.Radiobutton(
            self.radio_frame, text="Disabled", state="disabled"
        )
        self.radio_4.grid(row=3, column=0, padx=5, pady=10, sticky="nsew")

        # Create a Frame for input widgets
        self.widgets_frame = ttk.Frame(self, padding=(0, 0, 0, 10))
        self.widgets_frame.grid(
            row=0, column=1, padx=10, pady=(30, 10), sticky="nsew", rowspan=3
        )
        self.widgets_frame.columnconfigure(index=0, weight=1)

        # Entry
        self.entry = ttk.Entry(self.widgets_frame)
        self.entry.insert(0, "Entry")
        self.entry.grid(row=0, column=0, padx=5, pady=(0, 10), sticky="ew")

        # Spinbox
        self.spinbox = ttk.Spinbox(self.widgets_frame, from_=0, to=100, increment=0.1)
        self.spinbox.insert(0, "Spinbox")
        self.spinbox.grid(row=1, column=0, padx=5, pady=10, sticky="ew")

        # Combobox
        self.combobox = ttk.Combobox(self.widgets_frame, values=self.combo_list)
        self.combobox.current(0)
        self.combobox.grid(row=2, column=0, padx=5, pady=10, sticky="ew")

        # Read-only combobox
        self.readonly_combo = ttk.Combobox(
            self.widgets_frame, state="readonly", values=self.readonly_combo_list
        )
        self.readonly_combo.current(0)
        self.readonly_combo.grid(row=3, column=0, padx=5, pady=10, sticky="ew")

        # Menu for the Menubutton
        self.menu = tk.Menu(self)
        self.menu.add_command(label="Menu item 1")
        self.menu.add_command(label="Menu item 2")
        self.menu.add_separator()
        self.menu.add_command(label="Menu item 3")
        self.menu.add_command(label="Menu item 4")

        # Menubutton
        self.menubutton = ttk.Menubutton(
            self.widgets_frame, text="Menubutton", menu=self.menu, direction="below"
        )
        self.menubutton.grid(row=4, column=0, padx=5, pady=10, sticky="nsew")

        # OptionMenu
        self.optionmenu = ttk.OptionMenu(
            self.widgets_frame, self.var_4, *self.option_menu_list
        )
        self.optionmenu.grid(row=5, column=0, padx=5, pady=10, sticky="nsew")

        # Button
        self.button = ttk.Button(self.widgets_frame, text="Button")
        self.button.grid(row=6, column=0, padx=5, pady=10, sticky="nsew")

        # Accentbutton
        self.accentbutton = ttk.Button(
            self.widgets_frame, text="Accent button", style="Accent.TButton"
        )
        self.accentbutton.grid(row=7, column=0, padx=5, pady=10, sticky="nsew")

        # Togglebutton
        self.togglebutton = ttk.Checkbutton(
            self.widgets_frame, text="Toggle button", style="Toggle.TButton"
        )
        self.togglebutton.grid(row=8, column=0, padx=5, pady=10, sticky="nsew")

        # Switch
        self.switch = ttk.Checkbutton(
            self.widgets_frame, text="Switch", style="Switch.TCheckbutton"
        )
        self.switch.grid(row=9, column=0, padx=5, pady=10, sticky="nsew")

        # Switch
        self.switch = ttk.Checkbutton(
            self.widgets_frame, text="Switch disabled", style="Switch.TCheckbutton",state="disabled"
        )
        self.switch.grid(row=10, column=0, padx=5, pady=10, sticky="w")

        # Panedwindow
        self.paned = ttk.PanedWindow(self)
        self.paned.grid(row=0, column=2, pady=(25, 5), sticky="nsew", rowspan=3)

        # Pane #1
        self.pane_1 = ttk.Frame(self.paned, padding=5)
        self.paned.add(self.pane_1, weight=1)

        # Scrollbar
        self.scrollbar = ttk.Scrollbar(self.pane_1)
        self.scrollbar.pack(side="right", fill="y")

        # Treeview
        self.treeview = ttk.Treeview(
            self.pane_1,
            selectmode="browse",
            yscrollcommand=self.scrollbar.set,
            columns=(1, 2),
            height=10,
        )
        self.treeview.pack(expand=True, fill="both")
        self.scrollbar.config(command=self.treeview.yview)

        # Treeview columns
        self.treeview.column("#0", anchor="w", width=120)
        self.treeview.column(1, anchor="w", width=120)
        self.treeview.column(2, anchor="w", width=120)

        # Define treeview data
        treeview_data = [
            ("", 1, "Parent", ("Item 1", "Value 1")),
            (1, 2, "Child", ("Subitem 1.1", "Value 1.1")),
            (1, 3, "Child", ("Subitem 1.2", "Value 1.2")),
            (1, 4, "Child", ("Subitem 1.3", "Value 1.3")),
            (1, 5, "Child", ("Subitem 1.4", "Value 1.4")),
            ("", 6, "Parent", ("Item 2", "Value 2")),
            (6, 7, "Child", ("Subitem 2.1", "Value 2.1")),
            (6, 8, "Sub-parent", ("Subitem 2.2", "Value 2.2")),
            (8, 9, "Child", ("Subitem 2.2.1", "Value 2.2.1")),
            (8, 10, "Child", ("Subitem 2.2.2", "Value 2.2.2")),
            (8, 11, "Child", ("Subitem 2.2.3", "Value 2.2.3")),
            (6, 12, "Child", ("Subitem 2.3", "Value 2.3")),
            (6, 13, "Child", ("Subitem 2.4", "Value 2.4")),
            ("", 14, "Parent", ("Item 3", "Value 3")),
            (14, 15, "Child", ("Subitem 3.1", "Value 3.1")),
            (14, 16, "Child", ("Subitem 3.2", "Value 3.2")),
            (14, 17, "Child", ("Subitem 3.3", "Value 3.3")),
            (14, 18, "Child", ("Subitem 3.4", "Value 3.4")),
            ("", 19, "Parent", ("Item 4", "Value 4")),
            (19, 20, "Child", ("Subitem 4.1", "Value 4.1")),
            (19, 21, "Sub-parent", ("Subitem 4.2", "Value 4.2")),
            (21, 22, "Child", ("Subitem 4.2.1", "Value 4.2.1")),
            (21, 23, "Child", ("Subitem 4.2.2", "Value 4.2.2")),
            (21, 24, "Child", ("Subitem 4.2.3", "Value 4.2.3")),
            (19, 25, "Child", ("Subitem 4.3", "Value 4.3")),
        ]

        # Insert treeview data
        for item in treeview_data:
            self.treeview.insert(
                parent=item[0], index="end", iid=item[1], text=item[2], values=item[3]
            )
            if item[0] == "" or item[1] in {8, 21}:
                self.treeview.item(item[1], open=True)  # Open parents

        # Select and scroll
        self.treeview.selection_set(10)
        self.treeview.see(7)

        # Notebook, pane #2
        self.pane_2 = ttk.Frame(self.paned, padding=5)
        self.paned.add(self.pane_2, weight=3)

        # Notebook, pane #2
        self.notebook = ttk.Notebook(self.pane_2)
        self.notebook.pack(fill="both", expand=True)

        # Tab #1
        self.tab_1 = ttk.Frame(self.notebook)
        for index in [0, 1]:
            self.tab_1.columnconfigure(index=index, weight=1)
            self.tab_1.rowconfigure(index=index, weight=1)
        self.notebook.add(self.tab_1, text="Tab 1")

        # Scale
        self.scale = ttk.Scale(
            self.tab_1,
            from_=100,
            to=0,
            variable=self.var_5,
            command=lambda event: self.var_5.set(self.scale.get()),
        )
        self.scale.grid(row=0, column=0, padx=(20, 10), pady=(20, 0), sticky="ew")

        # Progressbar
        self.progress = ttk.Progressbar(
            self.tab_1, value=0, variable=self.var_5, mode="determinate"
        )
        self.progress.grid(row=0, column=1, padx=(10, 20), pady=(20, 0), sticky="ew")

        # Label
        self.label = ttk.Label(
            self.tab_1,
            text="Spring Noon theme for ttk",
            justify="center",
            font=("-size", 15, "-weight", "bold"),
        )
        self.label.grid(row=1, column=0, pady=10, columnspan=2)

        # Tab #2
        self.tab_2 = ttk.Frame(self.notebook)
        self.notebook.add(self.tab_2, text="Tab 2")

        # Tab #3
        self.tab_3 = ttk.Frame(self.notebook)
        self.notebook.add(self.tab_3, text="Tab 3")

        # Sizegrip
        self.sizegrip = ttk.Sizegrip(self)
        self.sizegrip.grid(row=100, column=100, padx=(0, 5), pady=(0, 5))


if __name__ == "__main__":
    root = tk.Tk()
    root.title("Simple example")

    # Simply set the theme
    root.tk.call("source", "spring-noon.tcl")
    root.tk.call("set_theme", "light")

    app = App(root)
    app.pack(fill="both", expand=True)

    # Set a minsize for the window, and place it in the middle
    root.update()
    root.minsize(root.winfo_width(), root.winfo_height())
    x_cordinate = int((root.winfo_screenwidth() / 2) - (root.winfo_width() / 2))
    y_cordinate = int((root.winfo_screenheight() / 2) - (root.winfo_height() / 2))
    root.geometry("+{}+{}".format(x_cordinate, y_cordinate))

    root.mainloop()