fixed complex example

customtkinter/widgets/ctk_button.py

@@ -66,8 +66,8 @@ class CTkButton(CTkBaseClass):
 
         self.canvas = CTkCanvas(master=self,
                                 highlightthickness=0,
-                                width=self.apply_widget_scaling(self.desired_width),
+                                width=self.round_size(self.apply_widget_scaling(self.desired_width)),
-                                height=self.apply_widget_scaling(self.desired_height))
+                                height=self.round_size(self.apply_widget_scaling(self.desired_height)))
         self.canvas.grid(row=0, column=0, rowspan=2, columnspan=2, sticky="nsew")
         self.draw_engine = CTkDrawEngine(self.canvas, CTkSettings.preferred_drawing_method)
 
@@ -98,10 +98,12 @@ class CTkButton(CTkBaseClass):
             self.image_label.destroy()
             self.image_label = None
 
-        self.canvas.configure(width=self.apply_widget_scaling(self.desired_width), height=self.apply_widget_scaling(self.desired_height))
+        self.canvas.configure(width=self.round_size(self.apply_widget_scaling(self.desired_width)),
+                              height=self.round_size(self.apply_widget_scaling(self.desired_height)))
         self.draw()
 
     def draw(self, no_color_updates=False):
+        print("current_height", self.current_height, "desired", self.desired_height)
         requires_recoloring = self.draw_engine.draw_rounded_rect_with_border(self.apply_widget_scaling(self.current_width),
                                                                              self.apply_widget_scaling(self.current_height),
                                                                              self.apply_widget_scaling(self.corner_radius),
@@ -219,6 +221,8 @@ class CTkButton(CTkBaseClass):
                 self.text_label.grid(row=0, column=0, sticky="s", columnspan=2, rowspan=1,
                                      padx=max(self.apply_widget_scaling(self.corner_radius), self.apply_widget_scaling(self.border_width)), pady=(self.apply_widget_scaling(self.border_width), 2))
 
+        # self.canvas.configure(bg="red")  # test
+
     def configure(self, *args, **kwargs):
         require_redraw = False  # some attribute changes require a call of self.draw() at the end
 

customtkinter/widgets/widget_base_class.py

@@ -2,6 +2,7 @@ import tkinter
 import tkinter.ttk as ttk
 import copy
 import re
+import math
 from typing import Callable, Union, TypedDict
 
 from ..windows.ctk_tk import CTk
@@ -27,7 +28,8 @@ class CTkBaseClass(tkinter.Frame):
         self.widget_scaling = ScalingTracker.get_widget_scaling(self)
         self.spacing_scaling = ScalingTracker.get_spacing_scaling(self)
 
-        super().configure(width=self.apply_widget_scaling(self.desired_width), height=self.apply_widget_scaling(self.desired_height))
+        super().configure(width=self.round_size(self.apply_widget_scaling(self.desired_width)),
+                          height=self.round_size(self.apply_widget_scaling(self.desired_height)))
 
         # save latest geometry function and kwargs
         class GeometryCallDict(TypedDict):
@@ -123,9 +125,9 @@ class CTkBaseClass(tkinter.Frame):
 
     def update_dimensions_event(self, event):
         # only redraw if dimensions changed (for performance)
-        if self.current_width != round(event.width / self.widget_scaling) or self.current_height != round(event.height / self.widget_scaling):
+        if round(self.current_width) != round(event.width / self.widget_scaling) or round(self.current_height) != round(event.height / self.widget_scaling):
-            self.current_width = round(event.width / self.widget_scaling)  # adjust current size according to new size given by event
+            self.current_width = (event.width / self.widget_scaling)  # adjust current size according to new size given by event
-            self.current_height = round(event.height / self.widget_scaling)  # current_width and current_height are independent of the scale
+            self.current_height = (event.height / self.widget_scaling)  # current_width and current_height are independent of the scale
 
             self.draw(no_color_updates=True)  # faster drawing without color changes
 
@@ -165,7 +167,8 @@ class CTkBaseClass(tkinter.Frame):
         self.widget_scaling = new_widget_scaling
         self.spacing_scaling = new_spacing_scaling
 
-        super().configure(width=self.apply_widget_scaling(self.desired_width), height=self.apply_widget_scaling(self.desired_height))
+        super().configure(width=self.round_size(self.apply_widget_scaling(self.desired_width)),
+                          height=self.round_size(self.apply_widget_scaling(self.desired_height)))
 
         if self.last_geometry_manager_call is not None:
             self.last_geometry_manager_call["function"](**self.apply_argument_scaling(self.last_geometry_manager_call["kwargs"]))
@@ -204,6 +207,13 @@ class CTkBaseClass(tkinter.Frame):
         else:
             return font
 
+    @staticmethod
+    def round_size(size: Union[int, float, str]):
+        if isinstance(size, (int, float)):
+            return math.floor(size / 2) * 2
+        else:
+            return size
+
     def draw(self, no_color_updates=False):
         """ abstract of draw method to be overridden """
         pass

examples/complex_example.py

@@ -3,7 +3,6 @@ import tkinter.messagebox
 import customtkinter
 import sys
 
-customtkinter.ScalingTracker.set_user_scaling(0.5)
 customtkinter.set_appearance_mode("System")  # Modes: "System" (standard), "Dark", "Light"
 customtkinter.set_default_color_theme("blue")  # Themes: "blue" (standard), "green", "dark-blue"