CustomTkinter/customtkinter/customtkinter_slider.py

187 lines
7.2 KiB
Python
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2021-03-04 20:27:46 +03:00
import tkinter
import sys
from .customtkinter_frame import CTkFrame
from .appearance_mode_tracker import AppearanceModeTracker
from .customtkinter_color_manager import CTkColorManager
class CTkSlider(tkinter.Frame):
def __init__(self,
bg_color=None,
border_color=None,
fg_color=CTkColorManager.SLIDER_BG,
button_color=CTkColorManager.MAIN,
button_hover_color=CTkColorManager.MAIN_HOVER,
width=160,
height=16,
border_width=5.5,
command=None,
*args, **kwargs):
super().__init__(*args, **kwargs)
AppearanceModeTracker.add(self.change_appearance_mode)
if bg_color is None:
if isinstance(self.master, CTkFrame):
self.bg_color = self.master.fg_color
else:
self.bg_color = self.master.cget("bg")
else:
self.bg_color = bg_color
self.border_color = border_color
self.fg_color = fg_color
self.button_color = button_color
self.button_hover_color = button_hover_color
self.appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
self.width = width
self.height = height
self.border_width = border_width
self.callback_function = command
self.value = 0.5
self.hover_state = False
self.configure(width=self.width, height=self.height)
if sys.platform == "darwin":
self.configure(cursor="pointinghand")
self.canvas = tkinter.Canvas(master=self,
highlightthicknes=0,
width=self.width,
height=self.height)
self.canvas.place(x=0, y=0)
self.canvas.bind("<Enter>", self.on_enter)
self.canvas.bind("<Leave>", self.on_leave)
self.canvas.bind("<Button-1>", self.clicked)
self.canvas.bind("<B1-Motion>", self.clicked)
self.border_parts = []
self.fg_parts = []
self.button_parts = []
self.draw()
def draw(self):
self.canvas.delete("all")
self.border_parts = []
self.fg_parts = []
self.button_parts = []
# frame_border
self.border_parts.append(self.canvas.create_oval(0, 0,
self.height, self.height))
self.border_parts.append(self.canvas.create_rectangle(self.height/2, 0,
self.width-(self.height/2), self.height))
self.border_parts.append(self.canvas.create_oval(self.width-self.height, 0,
self.width, self.height))
# foreground
self.fg_parts.append(self.canvas.create_oval(self.border_width, self.border_width,
self.height-self.border_width, self.height-self.border_width))
self.fg_parts.append(self.canvas.create_rectangle(self.height/2, self.border_width,
self.width-(self.height/2), self.height-self.border_width))
self.fg_parts.append(self.canvas.create_oval(self.width-self.height+self.border_width, self.border_width,
self.width-self.border_width, self.height-self.border_width))
# button
self.button_parts.append(self.canvas.create_oval(self.value*self.width - self.height/2, 0,
self.value*self.width + self.height/2, self.height))
if type(self.bg_color) == tuple:
self.canvas.configure(bg=self.bg_color[self.appearance_mode])
else:
self.canvas.configure(bg=self.bg_color)
for part in self.border_parts:
if type(self.border_color) == tuple:
self.canvas.itemconfig(part, fill=self.border_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.border_color, width=0)
for part in self.fg_parts:
if type(self.fg_color) == tuple:
self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.fg_color, width=0)
for part in self.button_parts:
if type(self.button_color) == tuple:
self.canvas.itemconfig(part, fill=self.button_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.button_color, width=0)
def clicked(self, event=0):
self.value = event.x / self.width
if self.value > 1:
self.value = 1
if self.value < 0:
self.value = 0
self.update()
if self.callback_function is not None:
self.callback_function(self.value)
def update(self):
for part in self.button_parts:
self.canvas.delete(part)
self.button_parts.append(self.canvas.create_oval(self.value * (self.width-self.height), 0,
self.value * (self.width-self.height) + self.height, self.height))
for part in self.button_parts:
if self.hover_state is True:
if type(self.button_hover_color) == tuple:
self.canvas.itemconfig(part, fill=self.button_hover_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.button_hover_color, width=0)
else:
if type(self.button_color) == tuple:
self.canvas.itemconfig(part, fill=self.button_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.button_color, width=0)
def on_enter(self, event=0):
self.hover_state = True
for part in self.button_parts:
if type(self.button_hover_color) == tuple:
self.canvas.itemconfig(part, fill=self.button_hover_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.button_hover_color, width=0)
def on_leave(self, event=0):
self.hover_state = False
for part in self.button_parts:
if type(self.button_color) == tuple:
self.canvas.itemconfig(part, fill=self.button_color[self.appearance_mode], width=0)
else:
self.canvas.itemconfig(part, fill=self.button_color, width=0)
def get(self):
return self.value
def set(self, value):
self.value = value
self.update()
if self.callback_function is not None:
self.callback_function(self.value)
def change_appearance_mode(self, mode_string):
if mode_string.lower() == "dark":
self.appearance_mode = 1
elif mode_string.lower() == "light":
self.appearance_mode = 0
if isinstance(self.master, CTkFrame):
self.bg_color = self.master.fg_color
else:
self.bg_color = self.master.cget("bg")
self.draw()