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add sensitive scrollbar feature #2539

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add sensitive scrollbar feature #2539

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d2fab58
add sensitive scrollbar feature
HelloWorld-er Aug 16, 2024
a5aeb05
add grid_configure to specify the margin(padx/pady) of the _parent_ca…
HelloWorld-er Aug 17, 2024
5be2036
modify grid_configure for incorrect paddings because of scrollbar ori…
HelloWorld-er Aug 17, 2024
dc663f4
update ctk_scrollable_frame.py
HelloWorld-er Sep 1, 2024
0eda510
Delete customtkinter/windows/widgets/ctk_scrollable_frame.py
HelloWorld-er Sep 1, 2024
0fe713a
reset ctk_scrollable_frame.py
HelloWorld-er Sep 1, 2024
728bbf7
update ctk_scrollable_frame.py
HelloWorld-er Sep 1, 2024
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19 changes: 18 additions & 1 deletion customtkinter/windows/widgets/ctk_scrollable_frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ def __init__(self,
self._parent_canvas.configure(width=self._apply_widget_scaling(self._desired_width),
height=self._apply_widget_scaling(self._desired_height))

self.bind("<Configure>", lambda e: self._parent_canvas.configure(scrollregion=self._parent_canvas.bbox("all")))
self.bind("<Configure>", self._update_scroll_region)
self._parent_canvas.bind("<Configure>", self._fit_frame_dimensions_to_canvas)
self.bind_all("<MouseWheel>", self._mouse_wheel_all, add="+")
self.bind_all("<KeyPress-Shift_L>", self._keyboard_shift_press_all, add="+")
Expand Down Expand Up @@ -238,6 +238,23 @@ def _fit_frame_dimensions_to_canvas(self, event):
elif self._orientation == "vertical":
self._parent_canvas.itemconfigure(self._create_window_id, width=self._parent_canvas.winfo_width())

self._check_scroll_necessity()

def _check_scroll_necessity(self):
canvas_height = self._parent_canvas.winfo_height()
content_height = self.winfo_height()

if content_height <= canvas_height:
self._scrollbar.grid_remove()
self._parent_canvas.configure(yscrollcommand=None)
else:
self._scrollbar.grid()
self._parent_canvas.configure(yscrollcommand=self._scrollbar.set)

def _update_scroll_region(self, event=None):
self._parent_canvas.configure(scrollregion=self._parent_canvas.bbox("all"))
self._check_scroll_necessity()

def _set_scroll_increments(self):
if sys.platform.startswith("win"):
self._parent_canvas.configure(xscrollincrement=1, yscrollincrement=1)
Expand Down