mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
470 lines
21 KiB
Python
470 lines
21 KiB
Python
import tkinter
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import sys
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from .customtkinter_tk import CTk
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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 CTkCheckBox(tkinter.Frame):
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""" tkinter custom checkbox with border, rounded corners and hover effect """
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def __init__(self, *args,
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bg_color=None,
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fg_color="CTkColorManager",
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hover_color="CTkColorManager",
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border_color="CTkColorManager",
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border_width=3,
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width=25,
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height=25,
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corner_radius=4,
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text_font=None,
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text_color="CTkColorManager",
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text="CTkCheckBox",
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hover=True,
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command=None,
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state=tkinter.NORMAL,
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onvalue=1,
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offvalue=0,
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variable=None,
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textvariable=None,
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**kwargs):
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super().__init__(*args, **kwargs)
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# overwrite configure methods of master when master is tkinter widget, so that bg changes get applied on child CTk widget too
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if isinstance(self.master, (tkinter.Tk, tkinter.Frame)) and not isinstance(self.master, (CTk, CTkFrame)):
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master_old_configure = self.master.config
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def new_configure(*args, **kwargs):
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if "bg" in kwargs:
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self.configure(bg_color=kwargs["bg"])
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elif "background" in kwargs:
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self.configure(bg_color=kwargs["background"])
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# args[0] is dict when attribute gets changed by widget[<attribut>] syntax
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elif len(args) > 0 and type(args[0]) == dict:
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if "bg" in args[0]:
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self.configure(bg_color=args[0]["bg"])
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elif "background" in args[0]:
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self.configure(bg_color=args[0]["background"])
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master_old_configure(*args, **kwargs)
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self.master.config = new_configure
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self.master.configure = new_configure
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AppearanceModeTracker.add(self.set_appearance_mode, self)
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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.fg_color = CTkColorManager.MAIN if fg_color == "CTkColorManager" else fg_color
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self.hover_color = CTkColorManager.MAIN_HOVER if hover_color == "CTkColorManager" else hover_color
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self.border_color = CTkColorManager.CHECKBOX_LINES if border_color == "CTkColorManager" else border_color
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self.width = width
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self.height = height
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self.corner_radius = self.calc_optimal_corner_radius(corner_radius) # optimise for less artifacts
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if self.corner_radius*2 > self.height:
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self.corner_radius = self.height/2
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elif self.corner_radius*2 > self.width:
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self.corner_radius = self.width/2
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self.border_width = round(border_width)
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if self.corner_radius >= self.border_width:
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self.inner_corner_radius = self.corner_radius - self.border_width
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else:
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self.inner_corner_radius = 0
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self.text = text
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self.text_color = CTkColorManager.TEXT if text_color == "CTkColorManager" else text_color
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if text_font is None:
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if sys.platform == "darwin": # macOS
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self.text_font = ("Avenir", 13)
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elif "win" in sys.platform: # Windows
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self.text_font = ("Century Gothic", 11)
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else:
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self.text_font = ("TkDefaultFont")
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else:
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self.text_font = text_font
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self.function = command
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self.state = state
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self.hover = hover
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self.check_state = False
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self.onvalue = onvalue
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self.offvalue = offvalue
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self.variable: tkinter.Variable = variable
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self.variable_callback_blocked = False
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self.textvariable = textvariable
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self.variabel_callback_name = None
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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.pack(side='left')
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if sys.platform == "darwin" and self.state == tkinter.NORMAL:
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self.canvas.configure(cursor="pointinghand")
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if self.hover is True:
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self.canvas.bind("<Enter>", self.on_enter)
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self.canvas.bind("<Leave>", self.on_leave)
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self.canvas.bind("<Button-1>", self.toggle)
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self.canvas.bind("<Button-1>", self.toggle)
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self.canvas_fg_parts = []
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self.canvas_border_parts = []
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self.canvas_check_parts = []
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self.text_label = None
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self.draw() # initial draw
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if self.variable is not None:
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self.variabel_callback_name = self.variable.trace_add("write", self.variable_callback)
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if self.variable.get() == self.onvalue:
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self.select(from_variable_callback=True)
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elif self.variable.get() == self.offvalue:
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self.deselect(from_variable_callback=True)
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def destroy(self):
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AppearanceModeTracker.remove(self.set_appearance_mode)
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if self.variable is not None:
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self.variable.trace_remove("write", self.variabel_callback_name)
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super().destroy()
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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_corner_radius(user_corner_radius):
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if sys.platform == "darwin":
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return user_corner_radius # on macOS just use given value (canvas has Antialiasing)
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else:
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user_corner_radius = 0.5 * round(user_corner_radius / 0.5) # round to 0.5 steps
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# make sure the value is always with .5 at the end for smoother corners
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if user_corner_radius == 0:
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return 0
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elif user_corner_radius % 1 == 0:
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return user_corner_radius + 0.5
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else:
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return user_corner_radius
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def draw(self):
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self.canvas.delete("all")
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self.canvas_fg_parts = []
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self.canvas_border_parts = []
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self.canvas_check_parts = []
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if type(self.bg_color) == tuple and len(self.bg_color) == 2:
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self.canvas.configure(bg=self.bg_color[self.appearance_mode])
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else:
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self.canvas.configure(bg=self.bg_color)
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if sys.platform == "darwin":
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oval_size_corr_br = 0
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else:
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oval_size_corr_br = -1
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# border button parts
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if self.border_width > 0:
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if self.corner_radius > 0:
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self.canvas_border_parts.append(self.canvas.create_oval(0,
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0,
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self.corner_radius * 2 + oval_size_corr_br,
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self.corner_radius * 2 + oval_size_corr_br))
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self.canvas_border_parts.append(self.canvas.create_oval(self.width - self.corner_radius * 2,
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0,
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self.width + oval_size_corr_br,
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self.corner_radius * 2 + oval_size_corr_br))
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self.canvas_border_parts.append(self.canvas.create_oval(0,
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self.height - self.corner_radius * 2,
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self.corner_radius * 2 + oval_size_corr_br,
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self.height + oval_size_corr_br))
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self.canvas_border_parts.append(self.canvas.create_oval(self.width - self.corner_radius * 2,
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self.height - self.corner_radius * 2,
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self.width + oval_size_corr_br,
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self.height + oval_size_corr_br))
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self.canvas_border_parts.append(self.canvas.create_rectangle(0,
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self.corner_radius,
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self.width,
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self.height - self.corner_radius))
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self.canvas_border_parts.append(self.canvas.create_rectangle(self.corner_radius,
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0,
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self.width - self.corner_radius,
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self.height))
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# inner button parts
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if self.corner_radius > 0:
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self.canvas_fg_parts.append(self.canvas.create_oval(self.border_width,
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self.border_width,
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self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br,
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self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br))
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self.canvas_fg_parts.append(self.canvas.create_oval(self.width - self.border_width - self.inner_corner_radius * 2,
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self.border_width,
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self.width - self.border_width + oval_size_corr_br,
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self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br))
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self.canvas_fg_parts.append(self.canvas.create_oval(self.border_width,
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self.height - self.border_width - self.inner_corner_radius * 2,
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self.border_width + self.inner_corner_radius * 2 + oval_size_corr_br,
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self.height-self.border_width + oval_size_corr_br))
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self.canvas_fg_parts.append(self.canvas.create_oval(self.width - self.border_width - self.inner_corner_radius * 2,
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self.height - self.border_width - self.inner_corner_radius * 2,
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self.width - self.border_width + oval_size_corr_br,
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self.height - self.border_width + oval_size_corr_br))
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self.canvas_fg_parts.append(self.canvas.create_rectangle(self.border_width + self.inner_corner_radius,
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self.border_width,
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self.width - self.border_width - self.inner_corner_radius,
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self.height - self.border_width))
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self.canvas_fg_parts.append(self.canvas.create_rectangle(self.border_width,
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self.border_width + self.inner_corner_radius,
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self.width - self.border_width,
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self.height - self.inner_corner_radius - self.border_width))
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if self.check_state is False:
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for part in self.canvas_fg_parts:
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if type(self.bg_color) == tuple and len(self.bg_color) == 2:
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self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.bg_color, outline=self.bg_color, width=0)
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else:
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for part in self.canvas_fg_parts:
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if type(self.fg_color) == tuple and len(self.fg_color) == 2:
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self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.fg_color, outline=self.bg_color, width=0)
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for part in self.canvas_border_parts:
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if type(self.border_color) == tuple and len(self.border_color) == 2:
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self.canvas.itemconfig(part, fill=self.border_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.border_color, outline=self.border_color, width=0)
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if self.text_label is not None:
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self.text_label.pack_forget()
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self.text_label = tkinter.Label(master=self,
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text=self.text,
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font=self.text_font)
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self.text_label.pack(side='right', padx="4")
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if type(self.text_color) == tuple and len(self.text_color) == 2:
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self.text_label.configure(fg=self.text_color[self.appearance_mode])
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else:
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self.text_label.configure(fg=self.text_color)
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if type(self.bg_color) == tuple and len(self.bg_color) == 2:
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self.configure(bg=self.bg_color[self.appearance_mode])
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self.text_label.configure(bg=self.bg_color[self.appearance_mode])
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else:
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self.configure(bg=self.bg_color)
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self.text_label.configure(bg=self.bg_color)
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self.set_text(self.text)
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def config(self, *args, **kwargs):
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self.configure(*args, **kwargs)
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def configure(self, *args, **kwargs):
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require_redraw = False # some attribute changes require a call of self.draw()
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if "text" in kwargs:
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self.set_text(kwargs["text"])
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del kwargs["text"]
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if "state" in kwargs:
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self.set_state(kwargs["state"])
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del kwargs["state"]
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if "fg_color" in kwargs:
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self.fg_color = kwargs["fg_color"]
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require_redraw = True
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del kwargs["fg_color"]
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if "bg_color" in kwargs:
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if kwargs["bg_color"] is None:
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self.bg_color = self.detect_color_of_master()
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else:
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self.bg_color = kwargs["bg_color"]
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require_redraw = True
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del kwargs["bg_color"]
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if "hover_color" in kwargs:
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self.hover_color = kwargs["hover_color"]
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require_redraw = True
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del kwargs["hover_color"]
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if "text_color" in kwargs:
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self.text_color = kwargs["text_color"]
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require_redraw = True
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del kwargs["text_color"]
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if "border_color" in kwargs:
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self.border_color = kwargs["border_color"]
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require_redraw = True
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del kwargs["border_color"]
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if "command" in kwargs:
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self.function = kwargs["command"]
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del kwargs["command"]
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if "variable" in kwargs:
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if self.variable is not None:
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self.variable.trace_remove("write", self.variabel_callback_name)
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self.variable = kwargs["variable"]
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if self.variable is not None and self.variable != "":
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self.variabel_callback_name = self.variable.trace_add("write", self.variable_callback)
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if self.variable.get() == self.onvalue:
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self.select(from_variable_callback=True)
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elif self.variable.get() == self.offvalue:
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self.deselect(from_variable_callback=True)
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else:
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self.variable = None
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del kwargs["variable"]
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super().configure(*args, **kwargs)
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if require_redraw:
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self.draw()
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def set_state(self, state):
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self.state = state
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if self.state == tkinter.DISABLED:
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self.hover = False
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if sys.platform == "darwin":
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self.canvas.configure(cursor="arrow")
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elif self.state == tkinter.NORMAL:
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self.hover = True
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if sys.platform == "darwin":
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self.canvas.configure(cursor="pointinghand")
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self.draw()
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def set_text(self, text):
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self.text = text
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if self.text_label is not None:
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self.text_label.configure(text=self.text, width=len(self.text))
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else:
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sys.stderr.write("ERROR (CTkButton): Cant change text because button has no text.")
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def on_enter(self, event=0):
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if self.hover is True:
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for part in self.canvas_fg_parts:
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if type(self.hover_color) == tuple and len(self.hover_color) == 2:
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self.canvas.itemconfig(part, fill=self.hover_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.hover_color, width=0)
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def on_leave(self, event=0):
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if self.hover is True:
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if self.check_state == True:
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for part in self.canvas_fg_parts:
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if type(self.fg_color) == tuple and len(self.fg_color) == 2:
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self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.fg_color, width=0)
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else:
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for part in self.canvas_fg_parts:
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if type(self.bg_color) == tuple and len(self.bg_color) == 2:
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self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.bg_color, width=0)
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def variable_callback(self, var_name, index, mode):
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if not self.variable_callback_blocked:
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if self.variable.get() == self.onvalue:
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self.select(from_variable_callback=True)
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elif self.variable.get() == self.offvalue:
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self.deselect(from_variable_callback=True)
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def toggle(self, event=0):
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if self.state == tkinter.NORMAL:
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if self.check_state is True:
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self.check_state = False
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for part in self.canvas_fg_parts:
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if type(self.bg_color) == tuple and len(self.bg_color) == 2:
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self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.bg_color, width=0)
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else:
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self.check_state = True
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for part in self.canvas_fg_parts:
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if type(self.fg_color) == tuple and len(self.fg_color) == 2:
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self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.fg_color, width=0)
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if self.function is not None:
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self.function()
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if self.variable is not None:
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self.variable_callback_blocked = True
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self.variable.set(self.onvalue if self.check_state is True else self.offvalue)
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self.variable_callback_blocked = False
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def select(self, from_variable_callback=False):
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self.check_state = True
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for part in self.canvas_fg_parts:
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if type(self.fg_color) == tuple and len(self.fg_color) == 2:
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self.canvas.itemconfig(part, fill=self.fg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.fg_color, width=0)
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if self.function is not None:
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self.function()
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if self.variable is not None and not from_variable_callback:
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self.variable_callback_blocked = True
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self.variable.set(self.onvalue)
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self.variable_callback_blocked = False
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def deselect(self, from_variable_callback=False):
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self.check_state = False
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for part in self.canvas_fg_parts:
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if type(self.bg_color) == tuple and len(self.bg_color) == 2:
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self.canvas.itemconfig(part, fill=self.bg_color[self.appearance_mode], width=0)
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else:
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self.canvas.itemconfig(part, fill=self.bg_color, width=0)
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if self.function is not None:
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self.function()
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if self.variable is not None and not from_variable_callback:
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self.variable_callback_blocked = True
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self.variable.set(self.offvalue)
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self.variable_callback_blocked = False
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def get(self):
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return self.onvalue if self.check_state is True else self.offvalue
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def set_appearance_mode(self, mode_string):
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if mode_string.lower() == "dark":
|
|
self.appearance_mode = 1
|
|
elif mode_string.lower() == "light":
|
|
self.appearance_mode = 0
|
|
|
|
if isinstance(self.master, (CTkFrame, CTk)):
|
|
self.bg_color = self.master.fg_color
|
|
else:
|
|
self.bg_color = self.master.cget("bg")
|
|
|
|
self.draw()
|