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[feat] Event Generation on Canvas

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For widgets based on the _canvas, attempting to use event_generate for
custom events failed. Typical notation in tkinter would allow such
bindings but in customtkinter, operations are performed on hidden
widgets. Thus a function override is required to operate as expected.

Widgets that are not based on _canvas or where a combination of hidden
widgets were not updated.

Signed off by Trask Crane (hcrane3@gatech.edu)
This commit is contained in:
Crane, Trask
2023-06-04 23:48:43 -04:00
parent b779c57e61
commit 4838b01d6a
7 changed files with 26 additions and 6 deletions
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6
customtkinter/windows/ctk_tk.py
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@@ -107,13 +107,13 @@ class CTk(tkinter.Tk, CTkAppearanceModeBaseClass, CTkScalingBaseClass):
def _set_scaling(self, new_widget_scaling, new_window_scaling):
super()._set_scaling(new_widget_scaling, new_window_scaling)
# Force new dimensions on window by using min, max, and geometry. Without min, max it won't work.
# Force new dimensions on window by using abs_min, max, and geometry. Without abs_min, max it won't work.
super().minsize(self._apply_window_scaling(self._current_width), self._apply_window_scaling(self._current_height))
super().maxsize(self._apply_window_scaling(self._current_width), self._apply_window_scaling(self._current_height))
super().geometry(f"{self._apply_window_scaling(self._current_width)}x{self._apply_window_scaling(self._current_height)}")
# set new scaled min and max with delay (delay prevents weird bug where window dimensions snap to unscaled dimensions when mouse releases window)
# set new scaled abs_min and max with delay (delay prevents weird bug where window dimensions snap to unscaled dimensions when mouse releases window)
self.after(1000, self._set_scaled_min_max) # Why 1000ms delay? Experience! (Everything tested on Windows 11)
def block_update_dimensions_event(self):
@@ -196,7 +196,7 @@ class CTk(tkinter.Tk, CTkAppearanceModeBaseClass, CTkScalingBaseClass):
# update width and height attributes
width, height, x, y = self._parse_geometry_string(geometry_string)
if width is not None and height is not None:
self._current_width = max(self._min_width, min(width, self._max_width)) # bound value between min and max
self._current_width = max(self._min_width, min(width, self._max_width)) # bound value between abs_min and max
self._current_height = max(self._min_height, min(height, self._max_height))
else:
return self._reverse_geometry_scaling(super().geometry())