From 544b10ee2d2a5eb0b4f94a038d323cfc1a1170df Mon Sep 17 00:00:00 2001
From: Saul Ricardo <svelazquez1400@alumno.ipn.mx>
Date: Tue, 9 Apr 2024 00:47:05 -0600
Subject: [PATCH] Add events for scroll in linux.

---
 customtkinter/windows/widgets/ctk_scrollable_frame.py | 6 ++++--
 customtkinter/windows/widgets/ctk_scrollbar.py        | 7 ++++++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/customtkinter/windows/widgets/ctk_scrollable_frame.py b/customtkinter/windows/widgets/ctk_scrollable_frame.py
index eede0911..f256e9b7 100644
--- a/customtkinter/windows/widgets/ctk_scrollable_frame.py
+++ b/customtkinter/windows/widgets/ctk_scrollable_frame.py
@@ -75,6 +75,8 @@ def __init__(self,
         self.bind("<Configure>", lambda e: self._parent_canvas.configure(scrollregion=self._parent_canvas.bbox("all")))
         self._parent_canvas.bind("<Configure>", self._fit_frame_dimensions_to_canvas)
         self.bind_all("<MouseWheel>", self._mouse_wheel_all, add="+")
+        self.bind_all("<Button-4>", self._mouse_wheel_all, add="+")
+        self.bind_all("<Button-5>", self._mouse_wheel_all, add="+")
         self.bind_all("<KeyPress-Shift_L>", self._keyboard_shift_press_all, add="+")
         self.bind_all("<KeyPress-Shift_R>", self._keyboard_shift_press_all, add="+")
         self.bind_all("<KeyRelease-Shift_L>", self._keyboard_shift_release_all, add="+")
@@ -263,10 +265,10 @@ def _mouse_wheel_all(self, event):
             else:
                 if self._shift_pressed:
                     if self._parent_canvas.xview() != (0.0, 1.0):
-                        self._parent_canvas.xview("scroll", -event.delta, "units")
+                        self._parent_canvas.xview("scroll", -10 if event.num == 4 else 10, "units")
                 else:
                     if self._parent_canvas.yview() != (0.0, 1.0):
-                        self._parent_canvas.yview("scroll", -event.delta, "units")
+                        self._parent_canvas.yview("scroll", -10 if event.num == 4 else 10, "units")
 
     def _keyboard_shift_press_all(self, event):
         self._shift_pressed = True
diff --git a/customtkinter/windows/widgets/ctk_scrollbar.py b/customtkinter/windows/widgets/ctk_scrollbar.py
index 8e962215..815effdb 100644
--- a/customtkinter/windows/widgets/ctk_scrollbar.py
+++ b/customtkinter/windows/widgets/ctk_scrollbar.py
@@ -86,6 +86,9 @@ def _create_bindings(self, sequence: Optional[str] = None):
             self._canvas.bind("<B1-Motion>", self._clicked)
         if sequence is None or sequence == "<MouseWheel>":
             self._canvas.bind("<MouseWheel>", self._mouse_scroll_event)
+        if sequence is None or sequence == "<Button-4>" or sequence == "<Button-5>":
+            self._canvas.bind("<Button-4>", self._mouse_scroll_event)
+            self._canvas.bind("<Button-5>", self._mouse_scroll_event)
 
     def _set_scaling(self, *args, **kwargs):
         super()._set_scaling(*args, **kwargs)
@@ -246,8 +249,10 @@ def _mouse_scroll_event(self, event=None):
         if self._command is not None:
             if sys.platform.startswith("win"):
                 self._command('scroll', -int(event.delta/40), 'units')
-            else:
+            elif sys.platform == "darwin":
                 self._command('scroll', -event.delta, 'units')
+            else:
+                self._command('scroll', -10 if event.num == 4 else 10, 'units')
 
     def set(self, start_value: float, end_value: float):
         self._start_value = float(start_value)