added indeterminate mode to CTkProgressBar

test/manual_integration_tests/test_progressbar_intermediate_mode.py

@@ -0,0 +1,47 @@
+import customtkinter
+import tkinter.ttk as ttk
+
+app = customtkinter.CTk()
+app.geometry("400x600")
+
+p1 = customtkinter.CTkProgressBar(app)
+p1.pack(pady=20)
+p2 = ttk.Progressbar(app)
+p2.pack(pady=20)
+
+s1 = customtkinter.CTkSlider(app, command=p1.set)
+s1.pack(pady=20)
+
+
+def switch_func():
+    if sw1.get() == 1:
+        p1.configure(mode="indeterminate")
+        p2.configure(mode="indeterminate")
+    else:
+        p1.configure(mode="determinate")
+        p2.configure(mode="determinate")
+
+def start():
+    p1.start()
+    p2.start()
+
+def stop():
+    p1.stop()
+    p2.stop()
+
+def step():
+    p1.step()
+    p2.step(10)
+
+
+sw1 = customtkinter.CTkSwitch(app, text="intermediate mode", command=switch_func)
+sw1.pack(pady=20)
+
+b1 = customtkinter.CTkButton(app, text="start", command=start)
+b1.pack(pady=20)
+b2 = customtkinter.CTkButton(app, text="stop", command=stop)
+b2.pack(pady=20)
+b3 = customtkinter.CTkButton(app, text="step", command=step)
+b3.pack(pady=20)
+
+app.mainloop()