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9
Python Version/Assets/CTkRangeSlider/__init__.py
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9
Python Version/Assets/CTkRangeSlider/__init__.py
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"""
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CTkRangeSlider
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Range slider for customtkinter
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Author: Akash Bora
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"""
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__version__ = '0.1'
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from .ctk_rangeslider import CTkRangeSlider
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893
Python Version/Assets/CTkRangeSlider/ctk_rangeslider.py
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893
Python Version/Assets/CTkRangeSlider/ctk_rangeslider.py
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"""
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CTkRangeSlider
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Range slider for customtkinter
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Author: Akash Bora
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Version: 0.1
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"""
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import math
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import tkinter
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import sys
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from typing import Union, Tuple, Callable, Optional
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from customtkinter.windows.widgets.core_rendering import DrawEngine
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from customtkinter.windows.widgets.theme import ThemeManager
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from customtkinter.windows.widgets.core_rendering import CTkCanvas
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from customtkinter.windows.widgets.core_widget_classes import CTkBaseClass
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class CustomDrawEngine:
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"""
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This is a custom version of the core of the CustomTkinter library where all the drawing on the tkinter.Canvas happens.
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It is tailored towards the range slider.
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"""
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preferred_drawing_method: str = "font_shapes" # 'polygon_shapes', 'font_shapes', 'circle_shapes'
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def __init__(self, canvas: CTkCanvas):
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self._canvas = canvas
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def _DrawEngine__draw_rounded_rect_with_border_font_shapes(self, width: int, height: int, corner_radius: int, border_width: int, inner_corner_radius: int,
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exclude_parts: tuple) -> bool:
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requires_recoloring = False
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# create border button parts
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if border_width > 0:
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if corner_radius > 0:
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# create canvas border corner parts if not already created, but only if needed, and delete if not needed
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if not self._canvas.find_withtag("border_oval_1_a") and "border_oval_1" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_1_a", "border_corner_part", "border_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_1_b", "border_corner_part", "border_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("border_oval_1_a") and "border_oval_1" in exclude_parts:
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self._canvas.delete("border_oval_1_a", "border_oval_1_b")
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if not self._canvas.find_withtag("border_oval_2_a") and width > 2 * corner_radius and "border_oval_2" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_2_a", "border_corner_part", "border_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_2_b", "border_corner_part", "border_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("border_oval_2_a") and (not width > 2 * corner_radius or "border_oval_2" in exclude_parts):
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self._canvas.delete("border_oval_2_a", "border_oval_2_b")
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if not self._canvas.find_withtag("border_oval_3_a") and height > 2 * corner_radius \
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and width > 2 * corner_radius and "border_oval_3" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_3_a", "border_corner_part", "border_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_3_b", "border_corner_part", "border_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("border_oval_3_a") and (not (height > 2 * corner_radius
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and width > 2 * corner_radius) or "border_oval_3" in exclude_parts):
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self._canvas.delete("border_oval_3_a", "border_oval_3_b")
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if not self._canvas.find_withtag("border_oval_4_a") and height > 2 * corner_radius and "border_oval_4" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_4_a", "border_corner_part", "border_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("border_oval_4_b", "border_corner_part", "border_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("border_oval_4_a") and (not height > 2 * corner_radius or "border_oval_4" in exclude_parts):
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self._canvas.delete("border_oval_4_a", "border_oval_4_b")
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# change position of border corner parts
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self._canvas.coords("border_oval_1_a", corner_radius, corner_radius, corner_radius)
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self._canvas.coords("border_oval_1_b", corner_radius, corner_radius, corner_radius)
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self._canvas.coords("border_oval_2_a", width - corner_radius, corner_radius, corner_radius)
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self._canvas.coords("border_oval_2_b", width - corner_radius, corner_radius, corner_radius)
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self._canvas.coords("border_oval_3_a", width - corner_radius, height - corner_radius, corner_radius)
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self._canvas.coords("border_oval_3_b", width - corner_radius, height - corner_radius, corner_radius)
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self._canvas.coords("border_oval_4_a", corner_radius, height - corner_radius, corner_radius)
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self._canvas.coords("border_oval_4_b", corner_radius, height - corner_radius, corner_radius)
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else:
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self._canvas.delete("border_corner_part") # delete border corner parts if not needed
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# create canvas border rectangle parts if not already created
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if not self._canvas.find_withtag("border_rectangle_1"):
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self._canvas.create_rectangle(0, 0, 0, 0, tags=("border_rectangle_1", "border_rectangle_part", "border_parts"), width=0)
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self._canvas.create_rectangle(0, 0, 0, 0, tags=("border_rectangle_2", "border_rectangle_part", "border_parts"), width=0)
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requires_recoloring = True
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# change position of border rectangle parts
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self._canvas.coords("border_rectangle_1", (0, corner_radius, width, height - corner_radius))
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self._canvas.coords("border_rectangle_2", (corner_radius, 0, width - corner_radius, height))
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else:
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self._canvas.delete("border_parts")
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# create inner button parts
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if inner_corner_radius > 0:
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# create canvas border corner parts if not already created, but only if they're needed and delete if not needed
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if not self._canvas.find_withtag("inner_oval_1_a") and "inner_oval_1" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_1_a", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_1_b", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("inner_oval_1_a") and "inner_oval_1" in exclude_parts:
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self._canvas.delete("inner_oval_1_a", "inner_oval_1_b")
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if not self._canvas.find_withtag("inner_oval_2_a") and width - (2 * border_width) > 2 * inner_corner_radius and "inner_oval_2" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_2_a", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_2_b", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("inner_oval_2_a") and (not width - (2 * border_width) > 2 * inner_corner_radius or "inner_oval_2" in exclude_parts):
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self._canvas.delete("inner_oval_2_a", "inner_oval_2_b")
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if not self._canvas.find_withtag("inner_oval_3_a") and height - (2 * border_width) > 2 * inner_corner_radius \
|
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and width - (2 * border_width) > 2 * inner_corner_radius and "inner_oval_3" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_3_a", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_3_b", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("inner_oval_3_a") and (not (height - (2 * border_width) > 2 * inner_corner_radius
|
||||
and width - (2 * border_width) > 2 * inner_corner_radius) or "inner_oval_3" in exclude_parts):
|
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self._canvas.delete("inner_oval_3_a", "inner_oval_3_b")
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if not self._canvas.find_withtag("inner_oval_4_a") and height - (2 * border_width) > 2 * inner_corner_radius and "inner_oval_4" not in exclude_parts:
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_4_a", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER)
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self._canvas.create_aa_circle(0, 0, 0, tags=("inner_oval_4_b", "inner_corner_part", "inner_parts"), anchor=tkinter.CENTER, angle=180)
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requires_recoloring = True
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elif self._canvas.find_withtag("inner_oval_4_a") and (not height - (2 * border_width) > 2 * inner_corner_radius or "inner_oval_4" in exclude_parts):
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self._canvas.delete("inner_oval_4_a", "inner_oval_4_b")
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# change position of border corner parts
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self._canvas.coords("inner_oval_1_a", border_width + inner_corner_radius, border_width + inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_1_b", border_width + inner_corner_radius, border_width + inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_2_a", width - border_width - inner_corner_radius, border_width + inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_2_b", width - border_width - inner_corner_radius, border_width + inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_3_a", width - border_width - inner_corner_radius, height - border_width - inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_3_b", width - border_width - inner_corner_radius, height - border_width - inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_4_a", border_width + inner_corner_radius, height - border_width - inner_corner_radius, inner_corner_radius)
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self._canvas.coords("inner_oval_4_b", border_width + inner_corner_radius, height - border_width - inner_corner_radius, inner_corner_radius)
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else:
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self._canvas.delete("inner_corner_part") # delete inner corner parts if not needed
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# create canvas inner rectangle parts if not already created
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if not self._canvas.find_withtag("inner_rectangle_1"):
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self._canvas.create_rectangle(0, 0, 0, 0, tags=("inner_rectangle_1", "inner_rectangle_part", "inner_parts"), width=0)
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requires_recoloring = True
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if not self._canvas.find_withtag("inner_rectangle_2") and inner_corner_radius * 2 < height - (border_width * 2):
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self._canvas.create_rectangle(0, 0, 0, 0, tags=("inner_rectangle_2", "inner_rectangle_part", "inner_parts"), width=0)
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requires_recoloring = True
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elif self._canvas.find_withtag("inner_rectangle_2") and not inner_corner_radius * 2 < height - (border_width * 2):
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self._canvas.delete("inner_rectangle_2")
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# change position of inner rectangle parts
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self._canvas.coords("inner_rectangle_1", (border_width + inner_corner_radius,
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border_width,
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width - border_width - inner_corner_radius,
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height - border_width))
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self._canvas.coords("inner_rectangle_2", (border_width,
|
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border_width + inner_corner_radius,
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width - border_width,
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height - inner_corner_radius - border_width))
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|
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if requires_recoloring: # new parts were added -> manage z-order
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self._canvas.tag_lower("inner_parts")
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self._canvas.tag_lower("border_parts")
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return requires_recoloring
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def draw_rounded_slider_with_border_and_2_button(self, width: Union[float, int], height: Union[float, int], corner_radius: Union[float, int],
|
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border_width: Union[float, int], button_length: Union[float, int], button_corner_radius: Union[float, int],
|
||||
slider_value: float, slider_2_value: float, orientation: str) -> bool:
|
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|
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width = math.floor(width / 2) * 2 # round _current_width and _current_height and restrict them to even values only
|
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height = math.floor(height / 2) * 2
|
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|
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if corner_radius > width / 2 or corner_radius > height / 2: # restrict corner_radius if it's too larger
|
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corner_radius = min(width / 2, height / 2)
|
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|
||||
if button_corner_radius > width / 2 or button_corner_radius > height / 2: # restrict button_corner_radius if it's too larger
|
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button_corner_radius = min(width / 2, height / 2)
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|
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button_length = round(button_length)
|
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border_width = round(border_width)
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button_corner_radius = round(button_corner_radius)
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corner_radius = DrawEngine._DrawEngine__calc_optimal_corner_radius(self, corner_radius) # optimize corner_radius for different drawing methods (different rounding)
|
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|
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if corner_radius >= border_width:
|
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inner_corner_radius = corner_radius - border_width
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||||
else:
|
||||
inner_corner_radius = 0
|
||||
|
||||
if self.preferred_drawing_method == "polygon_shapes" or self.preferred_drawing_method == "circle_shapes":
|
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return self.__draw_rounded_slider_with_border_and_2_button_polygon_shapes(width, height, corner_radius, border_width, inner_corner_radius,
|
||||
button_length, button_corner_radius, slider_value, slider_2_value, orientation)
|
||||
elif self.preferred_drawing_method == "font_shapes":
|
||||
return self.__draw_rounded_slider_with_border_and_2_button_font_shapes(width, height, corner_radius, border_width, inner_corner_radius,
|
||||
button_length, button_corner_radius, slider_value, slider_2_value, orientation)
|
||||
|
||||
def __draw_rounded_slider_with_border_and_2_button_polygon_shapes(self, width: int, height: int, corner_radius: int, border_width: int, inner_corner_radius: int,
|
||||
button_length: int, button_corner_radius: int, slider_value: float, slider_2_value: float, orientation: str) -> bool:
|
||||
|
||||
# draw normal progressbar
|
||||
requires_recoloring = DrawEngine._DrawEngine__draw_rounded_progress_bar_with_border_polygon_shapes(self, width, height, corner_radius, border_width, inner_corner_radius,
|
||||
slider_value, slider_2_value, orientation)
|
||||
|
||||
# create slider button part
|
||||
if not self._canvas.find_withtag("slider_parts"):
|
||||
self._canvas.create_polygon((0, 0, 0, 0), tags=("slider_line_1", "slider_parts", "slider_0_parts"), joinstyle=tkinter.ROUND)
|
||||
self._canvas.create_polygon((0, 0, 0, 0), tags=("slider_2_line_1", "slider_parts", "slider_1_parts"), joinstyle=tkinter.ROUND)
|
||||
self._canvas.tag_raise("slider_parts") # manage z-order
|
||||
requires_recoloring = True
|
||||
|
||||
if corner_radius <= border_width:
|
||||
bottom_right_shift = -1 # weird canvas rendering inaccuracy that has to be corrected in some cases
|
||||
else:
|
||||
bottom_right_shift = 0
|
||||
|
||||
if orientation == "w":
|
||||
slider_x_position = corner_radius + (button_length / 2) + (width - 2 * corner_radius - button_length) * slider_value
|
||||
self._canvas.coords("slider_line_1",
|
||||
slider_x_position - (button_length / 2), button_corner_radius,
|
||||
slider_x_position + (button_length / 2), button_corner_radius,
|
||||
slider_x_position + (button_length / 2), height - button_corner_radius,
|
||||
slider_x_position - (button_length / 2), height - button_corner_radius)
|
||||
self._canvas.itemconfig("slider_line_1",
|
||||
width=button_corner_radius * 2)
|
||||
|
||||
slider_x_position = corner_radius + (button_length / 2) + (width - 2 * corner_radius - button_length) * slider_2_value
|
||||
self._canvas.coords("slider_2_line_1",
|
||||
slider_x_position - (button_length / 2), button_corner_radius,
|
||||
slider_x_position + (button_length / 2), button_corner_radius,
|
||||
slider_x_position + (button_length / 2), height - button_corner_radius,
|
||||
slider_x_position - (button_length / 2), height - button_corner_radius)
|
||||
self._canvas.itemconfig("slider_2_line_1",
|
||||
width=button_corner_radius * 2)
|
||||
elif orientation == "s":
|
||||
slider_y_position = corner_radius + (button_length / 2) + (height - 2 * corner_radius - button_length) * (1 - slider_value)
|
||||
self._canvas.coords("slider_line_1",
|
||||
button_corner_radius, slider_y_position - (button_length / 2),
|
||||
button_corner_radius, slider_y_position + (button_length / 2),
|
||||
width - button_corner_radius, slider_y_position + (button_length / 2),
|
||||
width - button_corner_radius, slider_y_position - (button_length / 2))
|
||||
self._canvas.itemconfig("slider_line_1",
|
||||
width=button_corner_radius * 2)
|
||||
|
||||
slider_y_position = corner_radius + (button_length / 2) + (height - 2 * corner_radius - button_length) * (1 - slider_2_value)
|
||||
self._canvas.coords("slider_2_line_1",
|
||||
button_corner_radius, slider_y_position - (button_length / 2),
|
||||
button_corner_radius, slider_y_position + (button_length / 2),
|
||||
width - button_corner_radius, slider_y_position + (button_length / 2),
|
||||
width - button_corner_radius, slider_y_position - (button_length / 2))
|
||||
self._canvas.itemconfig("slider_2_line_1",
|
||||
width=button_corner_radius * 2)
|
||||
|
||||
return requires_recoloring
|
||||
|
||||
def __draw_rounded_slider_with_border_and_2_button_font_shapes(self, width: int, height: int, corner_radius: int, border_width: int, inner_corner_radius: int,
|
||||
button_length: int, button_corner_radius: int, slider_value: float, slider_2_value: float, orientation: str) -> bool:
|
||||
|
||||
# draw normal progressbar
|
||||
requires_recoloring = DrawEngine._DrawEngine__draw_rounded_progress_bar_with_border_font_shapes(self, width, height, corner_radius, border_width,
|
||||
inner_corner_radius, slider_value, slider_2_value, orientation)
|
||||
|
||||
# create 4 circles (if not needed, then less)
|
||||
if not self._canvas.find_withtag("slider_oval_1_a"):
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_1_a", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_1_b", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
|
||||
if not self._canvas.find_withtag("slider_oval_2_a") and button_length > 0:
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_a", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_b", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_oval_2_a") and not button_length > 0:
|
||||
self._canvas.delete("slider_oval_2_a", "slider_oval_2_b")
|
||||
|
||||
if not self._canvas.find_withtag("slider_oval_4_a") and height > 2 * button_corner_radius:
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_4_a", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_4_b", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_oval_4_a") and not height > 2 * button_corner_radius:
|
||||
self._canvas.delete("slider_oval_4_a", "slider_oval_4_b")
|
||||
|
||||
if not self._canvas.find_withtag("slider_oval_3_a") and button_length > 0 and height > 2 * button_corner_radius:
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_3_a", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_3_b", "slider_corner_part", "slider_parts", "slider_0_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("border_oval_3_a") and not (button_length > 0 and height > 2 * button_corner_radius):
|
||||
self._canvas.delete("slider_oval_3_a", "slider_oval_3_b")
|
||||
|
||||
# create the 2 rectangles (if needed)
|
||||
if not self._canvas.find_withtag("slider_rectangle_1") and button_length > 0:
|
||||
self._canvas.create_rectangle(0, 0, 0, 0, tags=("slider_rectangle_1", "slider_rectangle_part", "slider_parts", "slider_0_parts"), width=0)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_rectangle_1") and not button_length > 0:
|
||||
self._canvas.delete("slider_rectangle_1")
|
||||
|
||||
if not self._canvas.find_withtag("slider_rectangle_2") and height > 2 * button_corner_radius:
|
||||
self._canvas.create_rectangle(0, 0, 0, 0, tags=("slider_rectangle_2", "slider_rectangle_part", "slider_parts", "slider_0_parts"), width=0)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_rectangle_2") and not height > 2 * button_corner_radius:
|
||||
self._canvas.delete("slider_rectangle_2")
|
||||
|
||||
# set positions of circles and rectangles
|
||||
if orientation == "w":
|
||||
slider_x_position = corner_radius + (button_length / 2) + (width - 2 * corner_radius - button_length) * slider_value
|
||||
self._canvas.coords("slider_oval_1_a", slider_x_position - (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_1_b", slider_x_position - (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_a", slider_x_position + (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_b", slider_x_position + (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_3_a", slider_x_position + (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_3_b", slider_x_position + (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_4_a", slider_x_position - (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_4_b", slider_x_position - (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
|
||||
self._canvas.coords("slider_rectangle_1",
|
||||
slider_x_position - (button_length / 2), 0,
|
||||
slider_x_position + (button_length / 2), height)
|
||||
self._canvas.coords("slider_rectangle_2",
|
||||
slider_x_position - (button_length / 2) - button_corner_radius, button_corner_radius,
|
||||
slider_x_position + (button_length / 2) + button_corner_radius, height - button_corner_radius)
|
||||
|
||||
elif orientation == "s":
|
||||
slider_y_position = corner_radius + (button_length / 2) + (height - 2 * corner_radius - button_length) * (1 - slider_value)
|
||||
self._canvas.coords("slider_oval_1_a", button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_1_b", button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_a", button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_b", button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_3_a", width - button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_3_b", width - button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_4_a", width - button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_4_b", width - button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
|
||||
self._canvas.coords("slider_rectangle_1",
|
||||
0, slider_y_position - (button_length / 2),
|
||||
width, slider_y_position + (button_length / 2))
|
||||
self._canvas.coords("slider_rectangle_2",
|
||||
button_corner_radius, slider_y_position - (button_length / 2) - button_corner_radius,
|
||||
width - button_corner_radius, slider_y_position + (button_length / 2) + button_corner_radius)
|
||||
|
||||
######## second button ##########
|
||||
# create 4 circles (if not needed, then less)
|
||||
if not self._canvas.find_withtag("slider_oval_2_1_a"):
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_1_a", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_1_b", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
|
||||
if not self._canvas.find_withtag("slider_oval_2_2_a") and button_length > 0:
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_2_a", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_2_b", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_oval_2_2_a") and not button_length > 0:
|
||||
self._canvas.delete("slider_oval_2_2_a", "slider_oval_2_2_b")
|
||||
|
||||
if not self._canvas.find_withtag("slider_oval_2_4_a") and height > 2 * button_corner_radius:
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_4_a", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_4_b", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_oval_2_4_a") and not height > 2 * button_corner_radius:
|
||||
self._canvas.delete("slider_oval_2_4_a", "slider_oval_2_4_b")
|
||||
|
||||
if not self._canvas.find_withtag("slider_oval_2_3_a") and button_length > 0 and height > 2 * button_corner_radius:
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_3_a", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER)
|
||||
self._canvas.create_aa_circle(0, 0, 0, tags=("slider_oval_2_3_b", "slider_corner_part", "slider_parts", "slider_1_parts"), anchor=tkinter.CENTER, angle=180)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("border_oval_2_3_a") and not (button_length > 0 and height > 2 * button_corner_radius):
|
||||
self._canvas.delete("slider_oval_2_3_a", "slider_oval_2_3_b")
|
||||
|
||||
# create the 2 rectangles (if needed)
|
||||
if not self._canvas.find_withtag("slider_rectangle_2_1") and button_length > 0:
|
||||
self._canvas.create_rectangle(0, 0, 0, 0, tags=("slider_rectangle_2_1", "slider_rectangle_part", "slider_parts", "slider_1_parts"), width=0)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_rectangle_2_1") and not button_length > 0:
|
||||
self._canvas.delete("slider_rectangle_2_1")
|
||||
|
||||
if not self._canvas.find_withtag("slider_rectangle_2_2") and height > 2 * button_corner_radius:
|
||||
self._canvas.create_rectangle(0, 0, 0, 0, tags=("slider_rectangle_2_2", "slider_rectangle_part", "slider_parts", "slider_1_parts"), width=0)
|
||||
requires_recoloring = True
|
||||
elif self._canvas.find_withtag("slider_rectangle_2_2") and not height > 2 * button_corner_radius:
|
||||
self._canvas.delete("slider_rectangle_2_2")
|
||||
|
||||
# set positions of circles and rectangles
|
||||
if orientation == "w":
|
||||
slider_x_position = corner_radius + (button_length / 2) + (width - 2 * corner_radius - button_length) * slider_2_value
|
||||
self._canvas.coords("slider_oval_2_1_a", slider_x_position - (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_1_b", slider_x_position - (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_2_a", slider_x_position + (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_2_b", slider_x_position + (button_length / 2), button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_3_a", slider_x_position + (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_3_b", slider_x_position + (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_4_a", slider_x_position - (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_4_b", slider_x_position - (button_length / 2), height - button_corner_radius, button_corner_radius)
|
||||
|
||||
self._canvas.coords("slider_rectangle_2_1",
|
||||
slider_x_position - (button_length / 2), 0,
|
||||
slider_x_position + (button_length / 2), height)
|
||||
self._canvas.coords("slider_rectangle_2_2",
|
||||
slider_x_position - (button_length / 2) - button_corner_radius, button_corner_radius,
|
||||
slider_x_position + (button_length / 2) + button_corner_radius, height - button_corner_radius)
|
||||
|
||||
elif orientation == "s":
|
||||
slider_y_position = corner_radius + (button_length / 2) + (height - 2 * corner_radius - button_length) * (1 - slider_2_value)
|
||||
self._canvas.coords("slider_oval_2_1_a", button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_1_b", button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_2_a", button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_2_b", button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_3_a", width - button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_3_b", width - button_corner_radius, slider_y_position + (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_4_a", width - button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
self._canvas.coords("slider_oval_2_4_b", width - button_corner_radius, slider_y_position - (button_length / 2), button_corner_radius)
|
||||
|
||||
self._canvas.coords("slider_rectangle_2_1",
|
||||
0, slider_y_position - (button_length / 2),
|
||||
width, slider_y_position + (button_length / 2))
|
||||
self._canvas.coords("slider_rectangle_2_2",
|
||||
button_corner_radius, slider_y_position - (button_length / 2) - button_corner_radius,
|
||||
width - button_corner_radius, slider_y_position + (button_length / 2) + button_corner_radius)
|
||||
|
||||
if requires_recoloring: # new parts were added -> manage z-order
|
||||
self._canvas.tag_raise("slider_parts")
|
||||
|
||||
return requires_recoloring
|
||||
|
||||
class CTkRangeSlider(CTkBaseClass):
|
||||
"""
|
||||
Range slider with rounded corners, border, number of steps, variable support, vertical orientation.
|
||||
For detailed information check out the documentation.
|
||||
"""
|
||||
|
||||
def __init__(self,
|
||||
master: any,
|
||||
width: Optional[int] = None,
|
||||
height: Optional[int] = None,
|
||||
corner_radius: Optional[int] = None,
|
||||
button_corner_radius: Optional[int] = None,
|
||||
border_width: Optional[int] = None,
|
||||
button_length: Optional[int] = None,
|
||||
|
||||
bg_color: Union[str, Tuple[str, str]] = "transparent",
|
||||
fg_color: Optional[Union[str, Tuple[str, str]]] = None,
|
||||
border_color: Union[str, Tuple[str, str]] = "transparent",
|
||||
progress_color: Optional[Union[str, Tuple[str, str]]] = None,
|
||||
button_color: Optional[Union[str, Tuple[str, str]]] = None,
|
||||
button_hover_color: Optional[Union[str, Tuple[str, str]]] = None,
|
||||
|
||||
from_: int = 0,
|
||||
to: int = 1,
|
||||
state: str = "normal",
|
||||
number_of_steps: Union[int, None] = None,
|
||||
hover: bool = True,
|
||||
command: Union[Callable[[float], None], Tuple[Callable[[float], None], Callable[[float], None]], None] = None,
|
||||
variables: Union[Tuple[tkinter.Variable, tkinter.Variable], None] = None,
|
||||
orientation: str = "horizontal",
|
||||
**kwargs):
|
||||
|
||||
# set default dimensions according to orientation
|
||||
if width is None:
|
||||
if orientation.lower() == "vertical":
|
||||
width = 16
|
||||
else:
|
||||
width = 200
|
||||
if height is None:
|
||||
if orientation.lower() == "vertical":
|
||||
height = 200
|
||||
else:
|
||||
height = 16
|
||||
|
||||
# transfer basic functionality (bg_color, size, _appearance_mode, scaling) to CTkBaseClass
|
||||
super().__init__(master=master, bg_color=bg_color, width=width, height=height, **kwargs)
|
||||
|
||||
# color
|
||||
self._border_color = self._check_color_type(border_color, transparency=True)
|
||||
self._fg_color = ThemeManager.theme["CTkSlider"]["fg_color"] if fg_color is None else self._check_color_type(fg_color)
|
||||
self._progress_color = ThemeManager.theme["CTkSlider"]["progress_color"] if progress_color is None else self._check_color_type(progress_color, transparency=True)
|
||||
|
||||
if button_color is None:
|
||||
self._button_color_0 = ThemeManager.theme["CTkSlider"]["button_color"] if button_color is None else self._check_color_type(button_color)
|
||||
self._button_color_1 = ThemeManager.theme["CTkSlider"]["button_color"] if button_color is None else self._check_color_type(button_color)
|
||||
else:
|
||||
if (type(button_color[0]) and type(button_color[1])) is tuple:
|
||||
self._button_color_0 = ThemeManager.theme["CTkSlider"]["button_color"] if button_color[0] is None else self._check_color_type(button_color[0])
|
||||
self._button_color_1 = ThemeManager.theme["CTkSlider"]["button_color"] if button_color[1] is None else self._check_color_type(button_color[1])
|
||||
else:
|
||||
self._button_color_0 = ThemeManager.theme["CTkSlider"]["button_color"] if button_color is None else self._check_color_type(button_color)
|
||||
self._button_color_1 = ThemeManager.theme["CTkSlider"]["button_color"] if button_color is None else self._check_color_type(button_color)
|
||||
|
||||
self._button_hover_color = ThemeManager.theme["CTkSlider"]["button_hover_color"] if button_hover_color is None else self._check_color_type(button_hover_color)
|
||||
|
||||
# shape
|
||||
self._corner_radius = ThemeManager.theme["CTkSlider"]["corner_radius"] if corner_radius is None else corner_radius
|
||||
self._button_corner_radius = ThemeManager.theme["CTkSlider"]["button_corner_radius"] if button_corner_radius is None else button_corner_radius
|
||||
self._border_width = ThemeManager.theme["CTkSlider"]["border_width"] if border_width is None else border_width
|
||||
self._button_length = ThemeManager.theme["CTkSlider"]["button_length"] if button_length is None else button_length
|
||||
self._values = 0, 1 # initial values of slider in percent
|
||||
self._orientation = orientation
|
||||
self._hover_states = False, False
|
||||
self._hover = hover
|
||||
self._from_ = from_
|
||||
self._to = to
|
||||
self._number_of_steps = number_of_steps
|
||||
self._output_values = self._from_ + (self._values[0] * (self._to - self._from_)), self._from_ + (self._values[1] * (self._to - self._from_))
|
||||
|
||||
if self._corner_radius < self._button_corner_radius:
|
||||
self._corner_radius = self._button_corner_radius
|
||||
|
||||
# callback and control variables
|
||||
self._command = command
|
||||
self._variables: tuple[tkinter.Variable] = variables
|
||||
self._variable_callback_blocked = False
|
||||
self._variable_callback_name = [None, None]
|
||||
self._state = state
|
||||
|
||||
self.grid_rowconfigure(0, weight=1)
|
||||
self.grid_columnconfigure(0, weight=1)
|
||||
|
||||
self._canvas = CTkCanvas(master=self,
|
||||
highlightthickness=0,
|
||||
width=self._apply_widget_scaling(self._desired_width),
|
||||
height=self._apply_widget_scaling(self._desired_height))
|
||||
self._canvas.grid(column=0, row=0, rowspan=1, columnspan=1, sticky="nswe")
|
||||
self._draw_engine = CustomDrawEngine(self._canvas)
|
||||
|
||||
self._create_bindings()
|
||||
self._set_cursor()
|
||||
self._draw() # initial draw
|
||||
|
||||
if self._variables is not None:
|
||||
self._variable_callback_name[0] = self._variables[0].trace_add("write", self._variable_callback)
|
||||
self._variable_callback_name[1] = self._variables[1].trace_add("write", self._variable_callback)
|
||||
self._variable_callback_blocked = True
|
||||
self.set([self._variables[0].get(), self._variables[1].get()], from_variable_callback=True)
|
||||
self._variable_callback_blocked = False
|
||||
|
||||
def _create_bindings(self, sequence: Optional[str] = None):
|
||||
""" set necessary bindings for functionality of widget, will overwrite other bindings """
|
||||
if sequence is None or sequence == "<Enter>":
|
||||
self._canvas.bind("<Enter>", self._on_enter)
|
||||
if sequence is None or sequnece == "<Motion>":
|
||||
self._canvas.bind("<Motion>", self._on_enter)
|
||||
if sequence is None or sequence == "<Leave>":
|
||||
self._canvas.bind("<Leave>", self._on_leave)
|
||||
if sequence is None or sequence == "<Button-1>":
|
||||
self._canvas.bind("<Button-1>", self._clicked)
|
||||
if sequence is None or sequence == "<B1-Motion>":
|
||||
self._canvas.bind("<B1-Motion>", self._clicked)
|
||||
|
||||
def _set_scaling(self, *args, **kwargs):
|
||||
super()._set_scaling(*args, **kwargs)
|
||||
|
||||
self._canvas.configure(width=self._apply_widget_scaling(self._desired_width),
|
||||
height=self._apply_widget_scaling(self._desired_height))
|
||||
self._draw()
|
||||
|
||||
def _set_dimensions(self, width=None, height=None):
|
||||
super()._set_dimensions(width, height)
|
||||
|
||||
self._canvas.configure(width=self._apply_widget_scaling(self._desired_width),
|
||||
height=self._apply_widget_scaling(self._desired_height))
|
||||
self._draw()
|
||||
|
||||
def _destroy(self):
|
||||
# remove variable_callback from variable callbacks if variable exists
|
||||
if self._variables is not None:
|
||||
self._variables[0].trace_remove("write", self._variable_callback_name)
|
||||
|
||||
super().destroy()
|
||||
|
||||
def _set_cursor(self):
|
||||
if self._state == "normal" and self._cursor_manipulation_enabled:
|
||||
if sys.platform == "darwin":
|
||||
self.configure(cursor="pointinghand")
|
||||
elif sys.platform.startswith("win"):
|
||||
self.configure(cursor="hand2")
|
||||
|
||||
elif self._state == "disabled" and self._cursor_manipulation_enabled:
|
||||
if sys.platform == "darwin":
|
||||
self.configure(cursor="arrow")
|
||||
elif sys.platform.startswith("win"):
|
||||
self.configure(cursor="arrow")
|
||||
|
||||
def _draw(self, no_color_updates=False):
|
||||
super()._draw(no_color_updates)
|
||||
|
||||
if self._orientation.lower() == "horizontal":
|
||||
orientation = "w"
|
||||
elif self._orientation.lower() == "vertical":
|
||||
orientation = "s"
|
||||
else:
|
||||
orientation = "w"
|
||||
|
||||
requires_recoloring = self._draw_engine.draw_rounded_slider_with_border_and_2_button(self._apply_widget_scaling(self._current_width),
|
||||
self._apply_widget_scaling(self._current_height),
|
||||
self._apply_widget_scaling(self._corner_radius),
|
||||
self._apply_widget_scaling(self._border_width),
|
||||
self._apply_widget_scaling(self._button_length),
|
||||
self._apply_widget_scaling(self._button_corner_radius),
|
||||
self._values[0],self._values[1], orientation)
|
||||
|
||||
if no_color_updates is False or requires_recoloring:
|
||||
self._canvas.configure(bg=self._apply_appearance_mode(self._bg_color))
|
||||
|
||||
if self._border_color == "transparent":
|
||||
self._canvas.itemconfig("border_parts", fill=self._apply_appearance_mode(self._bg_color),
|
||||
outline=self._apply_appearance_mode(self._bg_color))
|
||||
else:
|
||||
self._canvas.itemconfig("border_parts", fill=self._apply_appearance_mode(self._border_color),
|
||||
outline=self._apply_appearance_mode(self._border_color))
|
||||
|
||||
self._canvas.itemconfig("inner_parts", fill=self._apply_appearance_mode(self._fg_color),
|
||||
outline=self._apply_appearance_mode(self._fg_color))
|
||||
|
||||
if self._progress_color == "transparent":
|
||||
self._canvas.itemconfig("progress_parts", fill=self._apply_appearance_mode(self._fg_color),
|
||||
outline=self._apply_appearance_mode(self._fg_color))
|
||||
else:
|
||||
self._canvas.itemconfig("progress_parts", fill=self._apply_appearance_mode(self._progress_color),
|
||||
outline=self._apply_appearance_mode(self._progress_color))
|
||||
|
||||
if (self._hover_states[0] and self._hover) is True:
|
||||
self._canvas.itemconfig("slider_0_parts",
|
||||
fill=self._apply_appearance_mode(self._button_hover_color),
|
||||
outline=self._apply_appearance_mode(self._button_hover_color))
|
||||
else:
|
||||
self._canvas.itemconfig("slider_0_parts",
|
||||
fill=self._apply_appearance_mode(self._button_color_0),
|
||||
outline=self._apply_appearance_mode(self._button_color_0))
|
||||
|
||||
if (self._hover_states[1] and self._hover) is True:
|
||||
self._canvas.itemconfig("slider_1_parts",
|
||||
fill=self._apply_appearance_mode(self._button_hover_color),
|
||||
outline=self._apply_appearance_mode(self._button_hover_color))
|
||||
else:
|
||||
self._canvas.itemconfig("slider_1_parts",
|
||||
fill=self._apply_appearance_mode(self._button_color_1),
|
||||
outline=self._apply_appearance_mode(self._button_color_1))
|
||||
|
||||
def _clicked(self, event=None):
|
||||
if self._state == "normal":
|
||||
|
||||
if self._orientation.lower() == "horizontal":
|
||||
clickPos = self._reverse_widget_scaling(event.x / self._current_width)
|
||||
if clickPos < self._values[0] or abs(clickPos-self._values[0]) < abs(clickPos-self._values[1]):
|
||||
if self._active_slider:
|
||||
self._values = clickPos, self._values[1]
|
||||
else:
|
||||
if not self._active_slider:
|
||||
self._values = self._values[0], clickPos
|
||||
|
||||
else:
|
||||
clickPos = 1 - self._reverse_widget_scaling(event.y / self._current_height)
|
||||
if clickPos < self._values[0] or abs(clickPos-self._values[0]) < abs(clickPos-self._values[1]):
|
||||
if self._active_slider:
|
||||
self._values = clickPos, self._values[1]
|
||||
else:
|
||||
if not self._active_slider:
|
||||
self._values = self._values[0], clickPos
|
||||
|
||||
self._values=[max(min(x, 1.), 0.) for x in self._values]
|
||||
|
||||
self._output_values = (self._round_to_step_size(self._from_ + (self._values[0] * (self._to - self._from_))),
|
||||
self._round_to_step_size(self._from_ + (self._values[1] * (self._to - self._from_))))
|
||||
self._values = (self._output_values[0] - self._from_) / (self._to - self._from_), (self._output_values[1] - self._from_) / (self._to - self._from_)
|
||||
|
||||
self._draw(no_color_updates=False)
|
||||
|
||||
if self._variables is not None:
|
||||
self._variable_callback_blocked = True
|
||||
self._variables[0].set(round(self._output_values[0]) if isinstance(self._variables[0], tkinter.IntVar) else self._output_values[0])
|
||||
self._variables[1].set(round(self._output_values[1]) if isinstance(self._variables[1], tkinter.IntVar) else self._output_values[1])
|
||||
self._variable_callback_blocked = False
|
||||
|
||||
if self._command is not None:
|
||||
if type(self._command) is tuple:
|
||||
if self._active_slider:
|
||||
self._command[0](self._output_values[0])
|
||||
else:
|
||||
self._command[1](self._output_values[1])
|
||||
else:
|
||||
self._command(self._output_values)
|
||||
|
||||
def _on_enter(self, event=0):
|
||||
if self._state == "normal":
|
||||
|
||||
if self._orientation.lower() == "horizontal":
|
||||
enterPos = self._reverse_widget_scaling(event.x / self._current_width)
|
||||
if enterPos < self._values[0] or abs(enterPos-self._values[0]) <= abs(enterPos-self._values[1]):
|
||||
highlightTag='slider_0_parts'
|
||||
normalTag='slider_1_parts'
|
||||
color = self._button_color_1
|
||||
self._hover_states = True, False
|
||||
self._active_slider = True
|
||||
else:
|
||||
highlightTag='slider_1_parts'
|
||||
normalTag='slider_0_parts'
|
||||
color = self._button_color_0
|
||||
self._hover_states = False, True
|
||||
self._active_slider = False
|
||||
else:
|
||||
enterPos = 1 - self._reverse_widget_scaling(event.y / self._current_height)
|
||||
if enterPos < self._values[0] or abs(enterPos-self._values[0]) <= abs(enterPos-self._values[1]):
|
||||
highlightTag='slider_0_parts'
|
||||
normalTag='slider_1_parts'
|
||||
color = self._button_color_1
|
||||
self._hover_states = True, False
|
||||
self._active_slider = True
|
||||
else:
|
||||
highlightTag='slider_1_parts'
|
||||
normalTag='slider_0_parts'
|
||||
color = self._button_color_0
|
||||
self._hover_states = False, True
|
||||
self._active_slider = False
|
||||
|
||||
if self._hover:
|
||||
self._canvas.itemconfig(highlightTag,
|
||||
fill=self._apply_appearance_mode(self._button_hover_color),
|
||||
outline=self._apply_appearance_mode(self._button_hover_color))
|
||||
|
||||
self._canvas.itemconfig(normalTag,
|
||||
fill=self._apply_appearance_mode(color),
|
||||
outline=self._apply_appearance_mode(color))
|
||||
|
||||
def _on_leave(self, event=0):
|
||||
self._hover_states = False, False
|
||||
self._canvas.itemconfig("slider_0_parts",
|
||||
fill=self._apply_appearance_mode(self._button_color_0),
|
||||
outline=self._apply_appearance_mode(self._button_color_0))
|
||||
self._canvas.itemconfig("slider_1_parts",
|
||||
fill=self._apply_appearance_mode(self._button_color_1),
|
||||
outline=self._apply_appearance_mode(self._button_color_1))
|
||||
|
||||
def _round_to_step_size(self, values):
|
||||
if self._number_of_steps is not None:
|
||||
step_size = (self._to - self._from_) / self._number_of_steps
|
||||
if type(values) is list:
|
||||
values = [self._to - (round((self._to - x) / step_size) * step_size) for x in values]
|
||||
else:
|
||||
values = self._to - (round((self._to - values) / step_size) * step_size)
|
||||
return values
|
||||
else:
|
||||
return values
|
||||
|
||||
def get(self) -> float:
|
||||
return self._output_values
|
||||
|
||||
def set(self, output_values: list[float], from_variable_callback=False):
|
||||
|
||||
if self._from_ < self._to:
|
||||
output_values = [max(min(x, self._to), self._from_) for x in output_values]
|
||||
else:
|
||||
output_values = [max(min(x, self._from_), self._to) for x in output_values]
|
||||
|
||||
self._output_values = self._round_to_step_size(output_values)
|
||||
self._values = ((self._output_values[0] - self._from_) / (self._to - self._from_),
|
||||
(self._output_values[1] - self._from_) / (self._to - self._from_))
|
||||
|
||||
self._draw(no_color_updates=False)
|
||||
|
||||
if self._variables is not None and not from_variable_callback:
|
||||
self._variable_callback_blocked = True
|
||||
self._variables[0].set(round(self._output_values[0]) if isinstance(self._variables[0], tkinter.IntVar) else self._output_values[0])
|
||||
self._variables[1].set(round(self._output_values[1]) if isinstance(self._variables[1], tkinter.IntVar) else self._output_values[1])
|
||||
self._variable_callback_blocked = False
|
||||
|
||||
def _variable_callback(self, var_name, index, mode):
|
||||
if not self._variable_callback_blocked:
|
||||
self.set([self._variables[0].get(),self._variables[1].get()], from_variable_callback=True)
|
||||
|
||||
def bind(self, sequence: str = None, command: Callable = None, add: Union[str, bool] = True):
|
||||
""" called on the tkinter.Canvas """
|
||||
if not (add == "+" or add is True):
|
||||
raise ValueError("'add' argument can only be '+' or True to preserve internal callbacks")
|
||||
self._canvas.bind(sequence, command, add=True)
|
||||
|
||||
def unbind(self, sequence: str = None, funcid: str = None):
|
||||
""" called on the tkinter.Label and tkinter.Canvas """
|
||||
if funcid is not None:
|
||||
raise ValueError("'funcid' argument can only be None, because there is a bug in" +
|
||||
" tkinter and its not clear whether the internal callbacks will be unbinded or not")
|
||||
self._canvas.unbind(sequence, None)
|
||||
self._create_bindings(sequence=sequence) # restore internal callbacks for sequence
|
||||
|
||||
def configure(self, require_redraw=False, **kwargs):
|
||||
if "state" in kwargs:
|
||||
self._state = kwargs.pop("state")
|
||||
self._set_cursor()
|
||||
require_redraw = True
|
||||
|
||||
if "fg_color" in kwargs:
|
||||
self._fg_color = self._check_color_type(kwargs.pop("fg_color"))
|
||||
require_redraw = True
|
||||
|
||||
if "progress_color" in kwargs:
|
||||
self._progress_color = self._check_color_type(kwargs.pop("progress_color"), transparency=True)
|
||||
require_redraw = True
|
||||
|
||||
if "button_color" in kwargs:
|
||||
self._button_color_0 = self._check_color_type(kwargs["button_color"])
|
||||
self._button_color_1 = self._check_color_type(kwargs.pop("button_color"))
|
||||
require_redraw = True
|
||||
|
||||
if "button_hover_color" in kwargs:
|
||||
self._button_hover_color = self._check_color_type(kwargs.pop("button_hover_color"))
|
||||
require_redraw = True
|
||||
|
||||
if "border_color" in kwargs:
|
||||
self._border_color = self._check_color_type(kwargs.pop("border_color"), transparency=True)
|
||||
require_redraw = True
|
||||
|
||||
if "border_width" in kwargs:
|
||||
self._border_width = kwargs.pop("border_width")
|
||||
require_redraw = True
|
||||
|
||||
if "from_" in kwargs:
|
||||
self._from_ = kwargs.pop("from_")
|
||||
|
||||
if "to" in kwargs:
|
||||
self._to = kwargs.pop("to")
|
||||
|
||||
if "number_of_steps" in kwargs:
|
||||
self._number_of_steps = kwargs.pop("number_of_steps")
|
||||
|
||||
if "hover" in kwargs:
|
||||
self._hover = kwargs.pop("hover")
|
||||
|
||||
if "command" in kwargs:
|
||||
self._command = kwargs.pop("command")
|
||||
|
||||
if "variables" in kwargs:
|
||||
if self._variables is not None:
|
||||
|
||||
self._variables[0].trace_remove("write", self._variable_callback_name[0])
|
||||
self._variables[1].trace_remove("write", self._variable_callback_name[1])
|
||||
|
||||
self._variables = kwargs["variables"]
|
||||
|
||||
if self._variables is not None and self._variables != "":
|
||||
self._variable_callback_name[0] = self._variables[0].trace_add("write", self._variable_callback)
|
||||
self._variable_callback_name[1] = self._variables[1].trace_add("write", self._variable_callback)
|
||||
self.set([self._variables[0].get(), self._variables[1].get()], from_variable_callback=True)
|
||||
else:
|
||||
self._variables = None
|
||||
|
||||
del kwargs["variables"]
|
||||
|
||||
super().configure(require_redraw=require_redraw, **kwargs)
|
||||
|
||||
def cget(self, attribute_name: str) -> any:
|
||||
if attribute_name == "corner_radius":
|
||||
return self._corner_radius
|
||||
elif attribute_name == "button_corner_radius":
|
||||
return self._button_corner_radius
|
||||
elif attribute_name == "border_width":
|
||||
return self._border_width
|
||||
elif attribute_name == "button_length":
|
||||
return self._button_length
|
||||
|
||||
elif attribute_name == "fg_color":
|
||||
return self._fg_color
|
||||
elif attribute_name == "border_color":
|
||||
return self._border_color
|
||||
elif attribute_name == "progress_color":
|
||||
return self._progress_color
|
||||
elif attribute_name == "button_color":
|
||||
return self._button_color
|
||||
elif attribute_name == "button_hover_color":
|
||||
return self._button_hover_color
|
||||
|
||||
elif attribute_name == "from_":
|
||||
return self._from_
|
||||
elif attribute_name == "to":
|
||||
return self._to
|
||||
elif attribute_name == "state":
|
||||
return self._state
|
||||
elif attribute_name == "number_of_steps":
|
||||
return self._number_of_steps
|
||||
elif attribute_name == "hover":
|
||||
return self._hover
|
||||
elif attribute_name == "command":
|
||||
return self._command
|
||||
elif attribute_name == "variables":
|
||||
return self._variables
|
||||
elif attribute_name == "orientation":
|
||||
return self._orientation
|
||||
|
||||
else:
|
||||
return super().cget(attribute_name)
|
||||
|
||||
def focus(self):
|
||||
return self._canvas.focus()
|
||||
|
||||
def focus_set(self):
|
||||
return self._canvas.focus_set()
|
||||
|
||||
def focus_force(self):
|
||||
return self._canvas.focus_force()
|
||||
Reference in New Issue
Block a user