changed root_tk name to app in all exmaples and tests

Readme.md

@@ -41,17 +41,17 @@ import customtkinter
 customtkinter.set_appearance_mode("System")  # Modes: system (default), light, dark
 customtkinter.set_default_color_theme("blue")  # Themes: blue (default), dark-blue, green
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window
-root_tk.geometry("400x240")
+app.geometry("400x240")
 
 def button_function():
     print("button pressed")
 
 # Use CTkButton instead of tkinter Button
-button = customtkinter.CTkButton(master=root_tk, text="CTkButton", command=button_function)
+button = customtkinter.CTkButton(master=app, text="CTkButton", command=button_function)
 button.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
 
-root_tk.mainloop()
+app.mainloop()
 ```
 which gives the following (macOS dark mode on):
 

customtkinter/__init__.py

@@ -2,6 +2,7 @@ __version__ = "4.0.1"
 
 import os
 import sys
+from tkinter.constants import *
 
 # import manager classes
 from .settings import Settings

customtkinter/appearance_mode_tracker.py

@@ -19,7 +19,7 @@ except Exception:
 class AppearanceModeTracker:
 
     callback_list = []
-    root_tk_list = []
+    app_list = []
     update_loop_running = False
     update_loop_interval = 500  # milliseconds
 
@@ -40,12 +40,12 @@ class AppearanceModeTracker:
         cls.callback_list.append(callback)
 
         if widget is not None:
-            root_tk = cls.get_tk_root_of_widget(widget)
+            app = cls.get_tk_root_of_widget(widget)
-            if root_tk not in cls.root_tk_list:
+            if app not in cls.app_list:
-                cls.root_tk_list.append(root_tk)
+                cls.app_list.append(app)
 
                 if not cls.update_loop_running:
-                    root_tk.after(500, cls.update)
+                    app.after(500, cls.update)
                     cls.update_loop_running = True
 
     @classmethod
@@ -97,9 +97,9 @@ class AppearanceModeTracker:
                 cls.update_callbacks()
 
         # find an existing tkinter.Tk object for the next call of .after()
-        for root_tk in cls.root_tk_list:
+        for app in cls.app_list:
             try:
-                root_tk.after(cls.update_loop_interval, cls.update)
+                app.after(cls.update_loop_interval, cls.update)
                 return
             except Exception:
                 continue

customtkinter/scaling_tracker.py

@@ -168,9 +168,9 @@ class ScalingTracker:
                 cls.update_scaling_callbacks_for_window(window)
 
         # find an existing tkinter object for the next call of .after()
-        for root_tk in cls.window_widgets_dict.keys():
+        for app in cls.window_widgets_dict.keys():
             try:
-                root_tk.after(cls.update_loop_interval, cls.check_dpi_scaling)
+                app.after(cls.update_loop_interval, cls.check_dpi_scaling)
                 return
             except Exception:
                 continue

examples/complex_example.py

@@ -14,9 +14,8 @@ class App(customtkinter.CTk):
     def __init__(self):
         super().__init__()
 
-        self.title("CustomTkinter complex example")
+        self.title("CustomTkinter complex_example.py")
         self.geometry(f"{App.WIDTH}x{App.HEIGHT}")
-        # self.minsize(App.WIDTH, App.HEIGHT)
 
         self.protocol("WM_DELETE_WINDOW", self.on_closing)  # call .on_closing() when app gets closed
 

examples/example_background_image.py

@@ -12,7 +12,7 @@ PATH = os.path.dirname(os.path.realpath(__file__))
 
 class App(customtkinter.CTk):
 
-    APP_NAME = "CustomTkinter background gradient image"
+    APP_NAME = "CustomTkinter example_background_image.py"
     WIDTH = 900
     HEIGHT = 600
 

examples/example_button_images.py

@@ -1,5 +1,5 @@
 import tkinter
-import customtkinter  # <- import the CustomTkinter module
+import customtkinter
 from PIL import Image, ImageTk  # <- import PIL for the images
 import os
 
@@ -8,9 +8,9 @@ PATH = os.path.dirname(os.path.realpath(__file__))
 customtkinter.set_appearance_mode("System")  # Modes: "System" (standard), "Dark", "Light"
 customtkinter.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
-root_tk.geometry("450x260")
+app.geometry("450x260")
-root_tk.title("CustomTkinter button images")
+app.title("CustomTkinter example_button_images.py")
 
 
 def button_function():
@@ -29,10 +29,10 @@ add_user_image = ImageTk.PhotoImage(Image.open(PATH + "/test_images/add-user.png
 chat_image = ImageTk.PhotoImage(Image.open(PATH + "/test_images/chat.png").resize((image_size, image_size), Image.ANTIALIAS))
 home_image = ImageTk.PhotoImage(Image.open(PATH + "/test_images/home.png").resize((image_size, image_size), Image.ANTIALIAS))
 
-root_tk.grid_rowconfigure(0, weight=1)
+app.grid_rowconfigure(0, weight=1)
-root_tk.grid_columnconfigure(0, weight=1, minsize=200)
+app.grid_columnconfigure(0, weight=1, minsize=200)
 
-frame_1 = customtkinter.CTkFrame(master=root_tk, width=250, height=240, corner_radius=15)
+frame_1 = customtkinter.CTkFrame(master=app, width=250, height=240, corner_radius=15)
 frame_1.grid(row=0, column=0, padx=20, pady=20, sticky="nsew")
 
 frame_1.grid_columnconfigure(0, weight=1)
@@ -56,9 +56,9 @@ button_4 = customtkinter.CTkButton(master=frame_1, image=home_image, text="", wi
                                    corner_radius=10, fg_color="gray40", hover_color="gray25", command=button_function)
 button_4.grid(row=3, column=1, columnspan=1, padx=20, pady=10, sticky="e")
 
-button_5 = customtkinter.CTkButton(master=root_tk, image=add_user_image, text="Add User", width=130, height=70, border_width=3,
+button_5 = customtkinter.CTkButton(master=app, image=add_user_image, text="Add User", width=130, height=70, border_width=3,
                                    corner_radius=10, compound="bottom", border_color="#D35B58", fg_color=("gray84", "gray25"), hover_color="#C77C78",
                                    command=button_function)
 button_5.grid(row=0, column=1, padx=20, pady=20)
 
-root_tk.mainloop()
+app.mainloop()

examples/simple_example.py

@@ -1,12 +1,12 @@
 import tkinter
-import customtkinter  # <- import the CustomTkinter module
+import customtkinter
 
 customtkinter.set_appearance_mode("dark")  # Modes: "System" (standard), "Dark", "Light"
-# customtkinter.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"
+customtkinter.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window
-root_tk.geometry("400x480")
+app.geometry("400x480")
-root_tk.title("CustomTkinter Test")
+app.title("CustomTkinter simple_example.py")
 
 
 def button_function():
@@ -23,7 +23,7 @@ def check_box_function():
 
 y_padding = 13
 
-frame_1 = customtkinter.CTkFrame(master=root_tk, corner_radius=15)
+frame_1 = customtkinter.CTkFrame(master=app, corner_radius=15)
 frame_1.pack(pady=20, padx=60, fill="both", expand=True)
 
 label_1 = customtkinter.CTkLabel(master=frame_1, justify=tkinter.LEFT)
@@ -58,4 +58,4 @@ s_var = tkinter.StringVar(value="on")
 switch_1 = customtkinter.CTkSwitch(master=frame_1)
 switch_1.pack(pady=y_padding, padx=10)
 
-root_tk.mainloop()
+app.mainloop()

examples/simple_example_standard_tkinter.py

@@ -3,7 +3,7 @@ import tkinter
 
 app = tkinter.Tk()
 app.geometry("400x350")
-app.title("Standard Tkinter Test")
+app.title("simple_example_standard_tkinter.py")
 
 
 def button_function():

test/manual_integration_tests/test_askdialog.py

@@ -1,9 +1,7 @@
-from tkinter.constants import CENTER, LEFT
 import tkinter
 import tkinter.messagebox
 from tkinter import filedialog as fd
-import customtkinter  # <- import the CustomTkinter module
+import customtkinter
-import os
 
 
 class App(customtkinter.CTk):

test/manual_integration_tests/test_button_antialiasing.py

@@ -1,5 +1,4 @@
 import customtkinter
-import tkinter
 
 customtkinter.set_default_color_theme("blue")
 customtkinter.set_appearance_mode("dark")

test/manual_integration_tests/test_ctk_toplevel.py

@@ -1,4 +1,3 @@
-import tkinter
 import customtkinter
 
 

test/manual_integration_tests/test_iconify_destroy.py

@@ -1,22 +1,21 @@
-import tkinter
 import customtkinter
 
-root_tk = customtkinter.CTk()
+app = customtkinter.CTk()
-root_tk.geometry("400x240")
+app.geometry("400x240")
 
 
 def button_function():
 
-    top = customtkinter.CTkToplevel(root_tk)
+    top = customtkinter.CTkToplevel(app)
 
-    root_tk.after(1000, top.iconify)  # hide toplevel
+    app.after(1000, top.iconify)  # hide toplevel
-    root_tk.after(1500, top.deiconify)  # show toplevel
+    app.after(1500, top.deiconify)  # show toplevel
-    root_tk.after(2500, root_tk.iconify)  # hide root_tk
+    app.after(2500, app.iconify)  # hide app
-    root_tk.after(3000, root_tk.deiconify)  # show root_tk
+    app.after(3000, app.deiconify)  # show app
-    root_tk.after(4000, root_tk.destroy)  # destroy everything
+    app.after(4000, app.destroy)  # destroy everything
 
 
-button = customtkinter.CTkButton(root_tk, command=button_function)
+button = customtkinter.CTkButton(app, command=button_function)
 button.pack(pady=20, padx=20)
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_new_menu_design.py

@@ -3,8 +3,8 @@ import tkinter
 
 # customtkinter.set_appearance_mode("light")
 
-root_tk = customtkinter.CTk()
+app = customtkinter.CTk()
-root_tk.geometry("600x500")
+app.geometry("600x500")
 
 menu = tkinter.Menu(tearoff=0, bd=0, relief=tkinter.FLAT, activeforeground="red")
 menu.add_command(label="System")
@@ -45,9 +45,9 @@ class CTkMenu(tkinter.Toplevel):
 
 
 def open_menu():
-    menu = CTkMenu(root_tk, button.winfo_rootx(), button.winfo_rooty() + button.winfo_height() + 4, ["Option 1", "Option 2", "Point 3"])
+    menu = CTkMenu(app, button.winfo_rootx(), button.winfo_rooty() + button.winfo_height() + 4, ["Option 1", "Option 2", "Point 3"])
 
 button = customtkinter.CTkButton(command=open_menu, height=50)
 button.pack(pady=20)
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_scaling/test_scaling_simple_place.py

@@ -6,17 +6,17 @@ customtkinter.ScalingTracker.set_window_scaling(0.5)
 customtkinter.set_appearance_mode("dark")  # Modes: "System" (standard), "Dark", "Light"
 customtkinter.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
-root_tk.geometry("400x600")
+app.geometry("400x600")
-root_tk.title("CustomTkinter manual scaling test")
+app.title("CustomTkinter manual scaling test")
 
-#root_tk.minsize(200, 200)
+#app.minsize(200, 200)
-#root_tk.maxsize(520, 520)
+#app.maxsize(520, 520)
-#root_tk.resizable(True, False)
+#app.resizable(True, False)
 
 
 def button_function():
-    root_tk.geometry(f"{200}x{200}")
+    app.geometry(f"{200}x{200}")
     print("Button click", label_1.text_label.cget("text"))
 
 
@@ -29,7 +29,7 @@ def slider_function(value):
 
 y_padding = 13
 
-frame_1 = customtkinter.CTkFrame(master=root_tk, height=550, width=300)
+frame_1 = customtkinter.CTkFrame(master=app, height=550, width=300)
 frame_1.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
 label_1 = customtkinter.CTkLabel(master=frame_1, justify=tkinter.LEFT)
 label_1.place(relx=0.5, y=50, anchor=tkinter.CENTER)
@@ -53,4 +53,4 @@ s_var = tkinter.StringVar(value="on")
 switch_1 = customtkinter.CTkSwitch(master=frame_1)
 switch_1.place(relx=0.5, y=450, anchor=tkinter.CENTER)
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_scaling/test_scaling_toplevel_pack.py

@@ -6,20 +6,20 @@ customtkinter.ScalingTracker.set_window_scaling(0.5)
 customtkinter.set_appearance_mode("dark")  # Modes: "System" (standard), "Dark", "Light"
 customtkinter.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
-root_tk.geometry("400x480")
+app.geometry("400x480")
-root_tk.title("CustomTkinter manual scaling test")
+app.title("CustomTkinter manual scaling test")
 
-top_tk = customtkinter.CTkToplevel(root_tk)
+top_tk = customtkinter.CTkToplevel(app)
 top_tk.geometry("500x500")
 
-#root_tk.minsize(200, 200)
+#app.minsize(200, 200)
-#root_tk.maxsize(520, 520)
+#app.maxsize(520, 520)
-#root_tk.resizable(True, False)
+#app.resizable(True, False)
 
 
 def button_function():
-    root_tk.geometry(f"{200}x{200}")
+    app.geometry(f"{200}x{200}")
     print("Button click", label_1.text_label.cget("text"))
 
 
@@ -32,7 +32,7 @@ def slider_function(value):
 
 y_padding = 13
 
-frame_1 = customtkinter.CTkFrame(master=root_tk)
+frame_1 = customtkinter.CTkFrame(master=app)
 frame_1.pack(pady=20, padx=60, fill="both", expand=True)
 label_1 = customtkinter.CTkLabel(master=frame_1, justify=tkinter.LEFT)
 label_1.pack(pady=y_padding, padx=10)
@@ -78,4 +78,4 @@ radiobutton_2.pack(pady=y_padding, padx=10)
 switch_1 = customtkinter.CTkSwitch(master=top_tk)
 switch_1.pack(pady=y_padding, padx=10)
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_string_dialog.py

@@ -1,5 +1,4 @@
 import customtkinter
-import tkinter
 
 customtkinter.set_appearance_mode("dark")
 customtkinter.set_default_color_theme("blue")
@@ -22,8 +21,8 @@ def button_click_event():
 
 
 button = customtkinter.CTkButton(app, text="Open Dialog", command=button_click_event)
-button.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
+button.place(relx=0.5, rely=0.5, anchor=customtkinter.CENTER)
 c1 = customtkinter.CTkCheckBox(app, text="dark mode", command=change_mode)
-c1.place(relx=0.5, rely=0.8, anchor=tkinter.CENTER)
+c1.place(relx=0.5, rely=0.8, anchor=customtkinter.CENTER)
 
-app.mainloop()
+app.mainloop()

test/manual_integration_tests/test_tk_variables.py

@@ -1,63 +1,63 @@
 import tkinter
-import customtkinter  # <- import the CustomTkinter module
+import customtkinter
 
 TEST_CONFIGURE = True
 TEST_REMOVING = False
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
-root_tk.geometry("400x600")
+app.geometry("400x600")
-root_tk.title("Tkinter Variable Test")
+app.title("Tkinter Variable Test")
 
 txt_var = tkinter.StringVar(value="")
-entry_1 = customtkinter.CTkEntry(root_tk, width=200, textvariable=txt_var)
+entry_1 = customtkinter.CTkEntry(app, width=200, textvariable=txt_var)
 entry_1.pack(pady=15)
 txt_var.set("new text wjkfjdshkjfb")
 if TEST_CONFIGURE: entry_1.configure(textvariable=txt_var)
 if TEST_REMOVING: entry_1.configure(textvariable="")
 
-label_1 = customtkinter.CTkLabel(root_tk, width=200, textvariable=txt_var)
+label_1 = customtkinter.CTkLabel(app, width=200, textvariable=txt_var)
 label_1.pack(pady=15)
 if TEST_CONFIGURE: label_1.configure(textvariable=txt_var)
 if TEST_REMOVING: label_1.configure(textvariable="")
 
-button_1 = customtkinter.CTkButton(root_tk, width=200, textvariable=txt_var)
+button_1 = customtkinter.CTkButton(app, width=200, textvariable=txt_var)
 button_1.pack(pady=15)
 int_var = tkinter.IntVar(value=10)
 if TEST_CONFIGURE: button_1.configure(textvariable=int_var)
 if TEST_REMOVING: button_1.configure(textvariable="")
 
-slider_1 = customtkinter.CTkSlider(root_tk, width=200, from_=0, to=3, variable=int_var)
+slider_1 = customtkinter.CTkSlider(app, width=200, from_=0, to=3, variable=int_var)
 slider_1.pack(pady=15)
 if TEST_CONFIGURE: slider_1.configure(variable=int_var)
 if TEST_REMOVING: slider_1.configure(variable="")
 int_var.set(2)
 
-slider_2 = customtkinter.CTkSlider(root_tk, width=200, from_=0, to=3, variable=int_var)
+slider_2 = customtkinter.CTkSlider(app, width=200, from_=0, to=3, variable=int_var)
 slider_2.pack(pady=15)
 if TEST_CONFIGURE: slider_2.configure(variable=int_var)
 if TEST_REMOVING: slider_2.configure(variable="")
 
-label_2 = customtkinter.CTkLabel(root_tk, width=200, textvariable=int_var)
+label_2 = customtkinter.CTkLabel(app, width=200, textvariable=int_var)
 label_2.pack(pady=15)
 
-progress_1 = customtkinter.CTkProgressBar(root_tk, width=200, variable=int_var)
+progress_1 = customtkinter.CTkProgressBar(app, width=200, variable=int_var)
 progress_1.pack(pady=15)
 if TEST_CONFIGURE: progress_1.configure(variable=int_var)
 if TEST_REMOVING: progress_1.configure(variable="")
 
 check_var = tkinter.StringVar(value="on")
-check_1 = customtkinter.CTkCheckBox(root_tk, text="check 1", variable=check_var, onvalue="on", offvalue="off")
+check_1 = customtkinter.CTkCheckBox(app, text="check 1", variable=check_var, onvalue="on", offvalue="off")
 check_1.pack(pady=15)
 if TEST_CONFIGURE: check_1.configure(variable=check_var)
 if TEST_REMOVING: check_1.configure(variable="")
 print("check_1", check_1.get())
 
-check_2 = customtkinter.CTkCheckBox(root_tk, text="check 2", variable=check_var, onvalue="on", offvalue="off")
+check_2 = customtkinter.CTkCheckBox(app, text="check 2", variable=check_var, onvalue="on", offvalue="off")
 check_2.pack(pady=15)
 if TEST_CONFIGURE: check_2.configure(variable=check_var)
 if TEST_REMOVING: check_2.configure(variable="")
 
-label_3 = customtkinter.CTkLabel(root_tk, width=200, textvariable=check_var)
+label_3 = customtkinter.CTkLabel(app, width=200, textvariable=check_var)
 label_3.pack(pady=15)
 label_3.configure(textvariable=check_var)
 
@@ -65,10 +65,10 @@ def switch_event():
     print("switch event")
 
 s_var = tkinter.StringVar(value="on")
-switch_1 = customtkinter.CTkSwitch(master=root_tk, variable=s_var, textvariable=s_var, onvalue="on", offvalue="off", command=switch_event)
+switch_1 = customtkinter.CTkSwitch(master=app, variable=s_var, textvariable=s_var, onvalue="on", offvalue="off", command=switch_event)
 switch_1.pack(pady=20, padx=10)
-switch_1 = customtkinter.CTkSwitch(master=root_tk, variable=s_var, textvariable=s_var, onvalue="on", offvalue="off")
+switch_1 = customtkinter.CTkSwitch(master=app, variable=s_var, textvariable=s_var, onvalue="on", offvalue="off")
 switch_1.pack(pady=20, padx=10)
 #switch_1.toggle()
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_ttk_frames.py

@@ -4,28 +4,28 @@ import customtkinter
 
 customtkinter.set_appearance_mode("light")
 
-root_tk = customtkinter.CTk()
+app = customtkinter.CTk()
-root_tk.geometry("1400x480")
+app.geometry("1400x480")
-root_tk.title("CustomTkinter TTk Compatibility Test")
+app.title("CustomTkinter TTk Compatibility Test")
 
-root_tk.grid_rowconfigure(0, weight=1)
+app.grid_rowconfigure(0, weight=1)
-root_tk.grid_columnconfigure((0, 1, 2, 3, 5, 6), weight=1)
+app.grid_columnconfigure((0, 1, 2, 3, 5, 6), weight=1)
 
 
-button_0 = customtkinter.CTkButton(root_tk)
+button_0 = customtkinter.CTkButton(app)
 button_0.grid(padx=20, pady=20, row=0, column=0)
 
-frame_1 = tkinter.Frame(master=root_tk)
+frame_1 = tkinter.Frame(master=app)
 frame_1.grid(padx=20, pady=20, row=0, column=1, sticky="nsew")
 button_1 = customtkinter.CTkButton(frame_1, text="tkinter.Frame")
 button_1.pack(pady=20, padx=20)
 
-frame_2 = tkinter.LabelFrame(master=root_tk, text="Tkinter LabelFrame")
+frame_2 = tkinter.LabelFrame(master=app, text="Tkinter LabelFrame")
 frame_2.grid(padx=20, pady=20, row=0, column=2, sticky="nsew")
 button_2 = customtkinter.CTkButton(frame_2, text="tkinter.LabelFrame")
 button_2.pack(pady=20, padx=20)
 
-frame_3 = customtkinter.CTkFrame(master=root_tk)
+frame_3 = customtkinter.CTkFrame(master=app)
 frame_3.grid(padx=20, pady=20, row=0, column=3, sticky="nsew")
 label_3 = customtkinter.CTkLabel(master=frame_3, text="CTkFrame Label", fg_color=("gray95", "gray15"))
 label_3.grid(row=0, column=0, columnspan=1, padx=5, pady=5, sticky="ew")
@@ -34,17 +34,17 @@ button_3.grid(row=1, column=0, padx=20)
 frame_3.grid_rowconfigure(1, weight=1)
 frame_3.grid_columnconfigure((0, ), weight=1)
 
-frame_4 = ttk.Frame(master=root_tk)
+frame_4 = ttk.Frame(master=app)
 frame_4.grid(padx=20, pady=20, row=0, column=4, sticky="nsew")
 button_4 = customtkinter.CTkButton(frame_4, text="ttk.Frame")
 button_4.pack(pady=20, padx=20)
 
-frame_5 = ttk.LabelFrame(master=root_tk, text="TTk LabelFrame")
+frame_5 = ttk.LabelFrame(master=app, text="TTk LabelFrame")
 frame_5.grid(padx=20, pady=20, row=0, column=5, sticky="nsew")
 button_5 = customtkinter.CTkButton(frame_5)
 button_5.pack(pady=20, padx=20)
 
-frame_6 = ttk.Notebook(master=root_tk)
+frame_6 = ttk.Notebook(master=app)
 frame_6.grid(padx=20, pady=20, row=0, column=6, sticky="nsew")
 button_6 = customtkinter.CTkButton(frame_6, text="ttk.Notebook")
 button_6.pack(pady=20, padx=20)
@@ -52,4 +52,4 @@ button_6.pack(pady=20, padx=20)
 ttk_style = ttk.Style()
 ttk_style.configure(frame_3.winfo_class(), background='red')
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_vertical_widgets.py

@@ -1,25 +1,25 @@
 import customtkinter
 
-root_tk = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
+app = customtkinter.CTk()  # create CTk window like you do with the Tk window (you can also use normal tkinter.Tk window)
-root_tk.geometry("400x650")
+app.geometry("400x650")
-root_tk.title("test_vertical_widgets")
+app.title("test_vertical_widgets")
 
-root_tk.grid_columnconfigure(0, weight=1)
+app.grid_columnconfigure(0, weight=1)
-root_tk.grid_rowconfigure((0, 1, 2, 3), weight=1)
+app.grid_rowconfigure((0, 1, 2, 3), weight=1)
 
-progressbar_1 = customtkinter.CTkProgressBar(root_tk, orient="horizontal")
+progressbar_1 = customtkinter.CTkProgressBar(app, orient="horizontal")
 progressbar_1.grid(row=0, column=0, pady=20, padx=20)
 
-progressbar_2 = customtkinter.CTkProgressBar(root_tk, orient="vertical")
+progressbar_2 = customtkinter.CTkProgressBar(app, orient="vertical")
 progressbar_2.grid(row=1, column=0, pady=20, padx=20)
 
-slider_1 = customtkinter.CTkSlider(root_tk, orient="horizontal", command=progressbar_1.set,
+slider_1 = customtkinter.CTkSlider(app, orient="horizontal", command=progressbar_1.set,
                                    button_corner_radius=3, button_length=20)
 slider_1.grid(row=2, column=0, pady=20, padx=20)
 
-slider_2 = customtkinter.CTkSlider(root_tk, orient="vertical", command=progressbar_2.set,
+slider_2 = customtkinter.CTkSlider(app, orient="vertical", command=progressbar_2.set,
                                    button_corner_radius=3, button_length=20)
 slider_2.grid(row=3, column=0, pady=20, padx=20)
 
 
-root_tk.mainloop()
+app.mainloop()

test/manual_integration_tests/test_widget_states.py

@@ -2,9 +2,9 @@ import tkinter
 import customtkinter
 
 
-root_tk = customtkinter.CTk()
+app = customtkinter.CTk()
-root_tk.geometry("400x800")
+app.geometry("400x800")
-root_tk.title("CustomTkinter Test")
+app.title("CustomTkinter Test")
 
 
 def change_state(widget):
@@ -18,30 +18,30 @@ def widget_click():
     print("widget clicked")
 
 
-button_1 = customtkinter.CTkButton(master=root_tk, text="button_1", command=widget_click)
+button_1 = customtkinter.CTkButton(master=app, text="button_1", command=widget_click)
 button_1.pack(padx=20, pady=(20, 10))
-button_2 = customtkinter.CTkButton(master=root_tk, text="Disable/Enable button_1", command=lambda: change_state(button_1))
+button_2 = customtkinter.CTkButton(master=app, text="Disable/Enable button_1", command=lambda: change_state(button_1))
 button_2.pack(padx=20, pady=(10, 20))
 
-switch_1 = customtkinter.CTkSwitch(master=root_tk, text="switch_1", command=widget_click)
+switch_1 = customtkinter.CTkSwitch(master=app, text="switch_1", command=widget_click)
 switch_1.pack(padx=20, pady=(20, 10))
-button_2 = customtkinter.CTkButton(master=root_tk, text="Disable/Enable switch_1", command=lambda: change_state(switch_1))
+button_2 = customtkinter.CTkButton(master=app, text="Disable/Enable switch_1", command=lambda: change_state(switch_1))
 button_2.pack(padx=20, pady=(10, 20))
 
-entry_1 = customtkinter.CTkEntry(master=root_tk, placeholder_text="entry_1")
+entry_1 = customtkinter.CTkEntry(master=app, placeholder_text="entry_1")
 entry_1.pack(padx=20, pady=(20, 10))
-button_3 = customtkinter.CTkButton(master=root_tk, text="Disable/Enable entry_1", command=lambda: change_state(entry_1))
+button_3 = customtkinter.CTkButton(master=app, text="Disable/Enable entry_1", command=lambda: change_state(entry_1))
 button_3.pack(padx=20, pady=(10, 20))
 
-checkbox_1 = customtkinter.CTkCheckBox(master=root_tk, text="checkbox_1")
+checkbox_1 = customtkinter.CTkCheckBox(master=app, text="checkbox_1")
 checkbox_1.pack(padx=20, pady=(20, 10))
-button_4 = customtkinter.CTkButton(master=root_tk, text="Disable/Enable checkbox_1", command=lambda: change_state(checkbox_1))
+button_4 = customtkinter.CTkButton(master=app, text="Disable/Enable checkbox_1", command=lambda: change_state(checkbox_1))
 button_4.pack(padx=20, pady=(10, 20))
 
-radiobutton_1 = customtkinter.CTkRadioButton(master=root_tk, text="radiobutton_1")
+radiobutton_1 = customtkinter.CTkRadioButton(master=app, text="radiobutton_1")
 radiobutton_1.pack(padx=20, pady=(20, 10))
-button_5 = customtkinter.CTkButton(master=root_tk, text="Disable/Enable entry_1", command=lambda: change_state(radiobutton_1))
+button_5 = customtkinter.CTkButton(master=app, text="Disable/Enable entry_1", command=lambda: change_state(radiobutton_1))
 button_5.pack(padx=20, pady=(10, 20))
 
 
-root_tk.mainloop()
+app.mainloop()