mirror of
https://github.com/TomSchimansky/CustomTkinter.git
synced 2023-08-10 21:13:13 +03:00
204 lines
7.7 KiB
Python
204 lines
7.7 KiB
Python
import tkinter
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import sys
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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 CTkLabel(tkinter.Frame):
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def __init__(self,
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master=None,
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bg_color=None,
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fg_color=None,
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text_color=CTkColorManager.TEXT,
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corner_radius=8,
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width=120,
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height=25,
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text="CTkLabel",
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text_font=None,
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*args,
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**kwargs):
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super().__init__(master=master)
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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.fg_color = self.bg_color if fg_color is None else fg_color
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self.text_color = text_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.text = text
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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", 11)
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else:
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self.text_font = text_font
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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(relx=0, rely=0, anchor=tkinter.NW)
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self.text_label = tkinter.Label(master=self,
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highlightthicknes=0,
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bd=0,
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text=self.text,
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font=self.text_font,
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*args, **kwargs)
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self.text_label.place(relx=0.5, rely=0.5, anchor=tkinter.CENTER)
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self.fg_parts = []
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self.draw()
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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.fg_parts = []
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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 # correct canvas oval draw size on bottom and right by 1 pixel (too large otherwise)
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# frame_border
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self.fg_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.fg_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.fg_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.fg_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.fg_parts.append(self.canvas.create_rectangle(0, self.corner_radius,
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self.width, self.height-self.corner_radius))
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self.fg_parts.append(self.canvas.create_rectangle(self.corner_radius, 0,
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self.width-self.corner_radius, self.height))
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if type(self.bg_color) == tuple:
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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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for part in self.fg_parts:
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if type(self.fg_color) == tuple:
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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 type(self.text_color) == tuple:
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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.fg_color) == tuple:
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self.text_label.configure(bg=self.fg_color[self.appearance_mode])
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else:
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self.text_label.configure(bg=self.fg_color)
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def configure_color(self, bg_color=None, fg_color=None, text_color=None):
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if bg_color is not None:
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self.bg_color = bg_color
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if fg_color is not None:
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self.fg_color = fg_color
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if text_color is not None:
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self.text_color = text_color
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self.draw()
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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() at the end
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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 "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 "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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super().configure(*args, **kwargs)
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if require_redraw:
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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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self.text_label.configure(text=self.text, width=len(self.text))
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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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