mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
222 lines
10 KiB
Python
222 lines
10 KiB
Python
import sys
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import tkinter
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from .customtkinter_frame import CTkFrame
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from .appearance_mode_tracker import AppearanceModeTracker
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from .customtkinter_color_manager import CTkColorManager
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class CTkProgressBar(tkinter.Frame):
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""" tkinter custom progressbar, always horizontal, values are from 0 to 1 """
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def __init__(self,
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bg_color=None,
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border_color=CTkColorManager.PROGRESS_BG,
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fg_color=CTkColorManager.PROGRESS_BG,
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progress_color=CTkColorManager.MAIN,
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width=160,
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height=10,
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border_width=0,
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*args, **kwargs):
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super().__init__(*args, **kwargs)
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AppearanceModeTracker.add(self.change_appearance_mode)
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self.appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
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self.bg_color = self.detect_color_of_master() if bg_color is None else bg_color
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self.border_color = border_color
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self.fg_color = fg_color
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self.progress_color = CTkColorManager.MAIN if progress_color is None else progress_color
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self.width = width
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self.height = self.calc_optimal_height(height)
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self.border_width = round(border_width)
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self.value = 0.5
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self.configure(width=self.width, height=self.height)
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self.canvas = tkinter.Canvas(master=self,
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highlightthicknes=0,
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width=self.width,
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height=self.height)
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self.canvas.place(x=0, y=0)
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self.draw()
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# set progress
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self.set(self.value)
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def detect_color_of_master(self):
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if isinstance(self.master, CTkFrame):
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return self.master.fg_color
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else:
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return self.master.cget("bg")
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@staticmethod
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def calc_optimal_height(user_height):
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if sys.platform == "darwin":
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return user_height # on macOS just use given value (canvas has Antialiasing)
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else:
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# make sure the value is always with uneven for better rendering of the ovals
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if user_height == 0:
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return 0
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elif user_height % 2 == 0:
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return user_height + 1
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else:
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return user_height
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def draw(self, no_color_updates=False):
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# decide the drawing method
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if sys.platform == "darwin":
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# on macOS draw button with polygons (positions are more accurate, macOS has Antialiasing)
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self.draw_with_polygon_shapes()
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else:
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# on Windows and other draw with ovals (corner_radius can be optimised to look better than with polygons)
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self.draw_with_ovals_and_rects()
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if no_color_updates is False:
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self.canvas.configure(bg=CTkColorManager.single_color(self.bg_color, self.appearance_mode))
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self.canvas.itemconfig("border_parts", fill=CTkColorManager.single_color(self.border_color, self.appearance_mode))
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self.canvas.itemconfig("inner_parts", fill=CTkColorManager.single_color(self.fg_color, self.appearance_mode))
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self.canvas.itemconfig("progress_parts", fill=CTkColorManager.single_color(self.progress_color, self.appearance_mode))
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def draw_with_polygon_shapes(self):
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""" draw the progress bar parts with just three polygons that have a rounded border """
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coordinate_shift = -1
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width_reduced = -1
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# create border button parts (only if border exists)
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if self.border_width > 0:
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if not self.canvas.find_withtag("border_parts"):
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self.canvas.create_line((0, 0, 0, 0), tags=("border_line_1", "border_parts"))
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self.canvas.coords("border_line_1",
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(self.height / 2,
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self.height / 2,
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self.width - self.height / 2 + coordinate_shift,
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self.height / 2))
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self.canvas.itemconfig("border_line_1",
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capstyle=tkinter.ROUND,
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width=self.height + width_reduced)
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# create inner button parts
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if not self.canvas.find_withtag("inner_parts"):
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self.canvas.create_line((0, 0, 0, 0), tags=("inner_line_1", "inner_parts"))
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self.canvas.coords("inner_line_1",
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(self.height / 2,
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self.height / 2,
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self.width - self.height / 2 + coordinate_shift,
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self.height / 2))
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self.canvas.itemconfig("inner_line_1",
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capstyle=tkinter.ROUND,
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width=self.height - self.border_width * 2 + width_reduced)
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# progress parts
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if not self.canvas.find_withtag("progress_parts"):
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self.canvas.create_line((0, 0, 0, 0), tags=("progress_line_1", "progress_parts"))
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self.canvas.coords("progress_line_1",
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(self.height / 2,
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self.height / 2,
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self.height / 2 + (self.width + coordinate_shift - self.height) * self.value,
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self.height / 2))
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self.canvas.itemconfig("progress_line_1",
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capstyle=tkinter.ROUND,
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width=self.height - self.border_width * 2 + width_reduced)
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def draw_with_ovals_and_rects(self):
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""" draw the progress bar parts with ovals and rectangles """
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if sys.platform == "darwin":
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oval_bottom_right_shift = 0
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rect_bottom_right_shift = 0
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else:
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# ovals and rects are always rendered too large on Windows and need to be made smaller by -1
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oval_bottom_right_shift = -1
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rect_bottom_right_shift = -0
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# frame_border
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if self.border_width > 0:
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if not self.canvas.find_withtag("border_parts"):
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self.canvas.create_oval((0, 0, 0, 0), tags=("border_oval_1", "border_parts"), width=0)
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self.canvas.create_rectangle((0, 0, 0, 0), tags=("border_rect_1", "border_parts"), width=0)
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self.canvas.create_oval((0, 0, 0, 0), tags=("border_oval_2", "border_parts"), width=0)
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self.canvas.coords("border_oval_1", (0,
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0,
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self.height + oval_bottom_right_shift,
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self.height + oval_bottom_right_shift))
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self.canvas.coords("border_rect_1", (self.height/2,
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0,
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self.width-(self.height/2) + rect_bottom_right_shift,
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self.height + rect_bottom_right_shift))
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self.canvas.coords("border_oval_2", (self.width-self.height,
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0,
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self.width + oval_bottom_right_shift,
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self.height + oval_bottom_right_shift))
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# foreground
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if not self.canvas.find_withtag("inner_parts"):
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self.canvas.create_oval((0, 0, 0, 0), tags=("inner_oval_1", "inner_parts"), width=0)
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self.canvas.create_rectangle((0, 0, 0, 0), tags=("inner_rect_1", "inner_parts"), width=0)
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self.canvas.create_oval((0, 0, 0, 0), tags=("inner_oval_2", "inner_parts"), width=0)
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self.canvas.coords("inner_oval_1", (self.border_width,
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self.border_width,
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self.height-self.border_width + oval_bottom_right_shift,
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self.height-self.border_width + oval_bottom_right_shift))
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self.canvas.coords("inner_rect_1", (self.height/2,
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self.border_width,
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self.width-(self.height/2 + rect_bottom_right_shift),
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self.height-self.border_width + rect_bottom_right_shift))
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self.canvas.coords("inner_oval_2", (self.width-self.height+self.border_width,
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self.border_width,
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self.width-self.border_width + oval_bottom_right_shift,
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self.height-self.border_width + oval_bottom_right_shift))
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# progress parts
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if not self.canvas.find_withtag("progress_parts"):
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self.canvas.create_oval((0, 0, 0, 0), tags=("progress_oval_1", "progress_parts"), width=0)
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self.canvas.create_rectangle((0, 0, 0, 0), tags=("progress_rect_1", "progress_parts"), width=0)
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self.canvas.create_oval((0, 0, 0, 0), tags=("progress_oval_2", "progress_parts"), width=0)
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self.canvas.coords("progress_oval_1", (self.border_width,
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self.border_width,
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self.height - self.border_width + oval_bottom_right_shift,
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self.height - self.border_width + oval_bottom_right_shift))
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self.canvas.coords("progress_rect_1", (self.height / 2,
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self.border_width,
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self.height / 2 + (self.width - self.height) * self.value + rect_bottom_right_shift,
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self.height - self.border_width + rect_bottom_right_shift))
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self.canvas.coords("progress_oval_2",
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(self.height / 2 + (self.width - self.height) * self.value - self.height / 2 + self.border_width,
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self.border_width,
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self.height / 2 + (self.width - self.height) * self.value + self.height / 2 - self.border_width + oval_bottom_right_shift,
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self.height - self.border_width + oval_bottom_right_shift))
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def set(self, value):
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self.value = value
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if self.value > 1:
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self.value = 1
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elif self.value < 0:
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self.value = 0
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self.draw(no_color_updates=True)
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def change_appearance_mode(self, mode_string):
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if mode_string.lower() == "dark":
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self.appearance_mode = 1
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elif mode_string.lower() == "light":
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self.appearance_mode = 0
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if isinstance(self.master, CTkFrame):
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self.bg_color = self.master.fg_color
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else:
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self.bg_color = self.master.cget("bg")
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self.draw()
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