CustomTkinter/customtkinter/customtkinter_entry.py
2022-01-08 00:50:31 +01:00

213 lines
8.5 KiB
Python

import tkinter
import sys
from .customtkinter_tk import CTk
from .customtkinter_frame import CTkFrame
from .appearance_mode_tracker import AppearanceModeTracker
from .customtkinter_color_manager import CTkColorManager
class CTkEntry(tkinter.Frame):
def __init__(self,
master=None,
bg_color=None,
fg_color="CTkColorManager",
text_color="CTkColorManager",
corner_radius=8,
width=120,
height=30,
*args,
**kwargs):
super().__init__(master=master)
# overwrite configure methods of master when master is tkinter widget, so that bg changes get applied on child CTk widget too
if isinstance(self.master, (tkinter.Tk, tkinter.Frame)) and not isinstance(self.master, (CTk, CTkFrame)):
master_old_configure = self.master.config
def new_configure(*args, **kwargs):
if "bg" in kwargs:
self.configure(bg_color=kwargs["bg"])
elif "background" in kwargs:
self.configure(bg_color=kwargs["background"])
# args[0] is dict when attribute gets changed by widget[<attribut>] syntax
elif len(args) > 0 and type(args[0]) == dict:
if "bg" in args[0]:
self.configure(bg_color=args[0]["bg"])
elif "background" in args[0]:
self.configure(bg_color=args[0]["background"])
master_old_configure(*args, **kwargs)
self.master.config = new_configure
self.master.configure = new_configure
AppearanceModeTracker.add(self.change_appearance_mode, self)
self.appearance_mode = AppearanceModeTracker.get_mode() # 0: "Light" 1: "Dark"
self.bg_color = self.detect_color_of_master() if bg_color is None else bg_color
self.fg_color = CTkColorManager.ENTRY if fg_color == "CTkColorManager" else fg_color
self.text_color = CTkColorManager.TEXT if text_color == "CTkColorManager" else text_color
self.width = width
self.height = height
self.corner_radius = self.calc_optimal_corner_radius(corner_radius) # optimise for less artifacts
if self.corner_radius*2 > self.height:
self.corner_radius = self.height/2
elif self.corner_radius*2 > self.width:
self.corner_radius = self.width/2
self.configure(width=self.width, height=self.height)
self.canvas = tkinter.Canvas(master=self,
highlightthicknes=0,
width=self.width,
height=self.height)
self.canvas.place(x=0, y=0)
self.entry = tkinter.Entry(master=self,
bd=0,
highlightthicknes=0,
*args, **kwargs)
self.entry.place(relx=0.5, rely=0.5, relwidth=0.8, anchor=tkinter.CENTER)
self.fg_parts = []
self.draw()
def destroy(self):
AppearanceModeTracker.remove(self.change_appearance_mode)
super().destroy()
def detect_color_of_master(self):
if isinstance(self.master, CTkFrame):
return self.master.fg_color
else:
return self.master.cget("bg")
@staticmethod
def calc_optimal_corner_radius(user_corner_radius):
if sys.platform == "darwin":
return user_corner_radius # on macOS just use given value (canvas has Antialiasing)
else:
user_corner_radius = 0.5 * round(user_corner_radius / 0.5) # round to 0.5 steps
# make sure the value is always with .5 at the end for smoother corners
if user_corner_radius == 0:
return 0
elif user_corner_radius % 1 == 0:
return user_corner_radius + 0.5
else:
return user_corner_radius
def draw(self):
self.canvas.delete("all")
self.fg_parts = []
if sys.platform == "darwin":
oval_size_corr_br = 0
else:
oval_size_corr_br = -1 # correct canvas oval draw size on bottom and right by 1 pixel (too large otherwise)
# frame_border
self.fg_parts.append(self.canvas.create_oval(0,
0,
self.corner_radius*2 + oval_size_corr_br,
self.corner_radius*2 + oval_size_corr_br))
self.fg_parts.append(self.canvas.create_oval(self.width-self.corner_radius*2,
0,
self.width + oval_size_corr_br,
self.corner_radius*2 + oval_size_corr_br))
self.fg_parts.append(self.canvas.create_oval(0,
self.height-self.corner_radius*2,
self.corner_radius*2 + oval_size_corr_br,
self.height + oval_size_corr_br))
self.fg_parts.append(self.canvas.create_oval(self.width-self.corner_radius*2,
self.height-self.corner_radius*2,
self.width + oval_size_corr_br,
self.height + oval_size_corr_br))
self.fg_parts.append(self.canvas.create_rectangle(0, self.corner_radius,
self.width, self.height-self.corner_radius))
self.fg_parts.append(self.canvas.create_rectangle(self.corner_radius, 0,
self.width-self.corner_radius, self.height))
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)
if type(self.bg_color) == tuple:
self.canvas.configure(bg=self.bg_color[self.appearance_mode])
else:
self.canvas.configure(bg=self.bg_color)
if type(self.fg_color) == tuple:
self.entry.configure(bg=self.fg_color[self.appearance_mode],
highlightcolor=self.fg_color[self.appearance_mode])
else:
self.entry.configure(bg=self.fg_color,
highlightcolor=self.fg_color)
if type(self.text_color) == tuple:
self.entry.configure(fg=self.text_color[self.appearance_mode],
insertbackground=self.text_color[self.appearance_mode])
else:
self.entry.configure(fg=self.text_color,
insertbackground=self.text_color)
def config(self, *args, **kwargs):
self.configure(*args, **kwargs)
def configure(self, *args, **kwargs):
require_redraw = False # some attribute changes require a call of self.draw() at the end
if "bg_color" in kwargs:
self.bg_color = kwargs["bg_color"]
del kwargs["bg_color"]
require_redraw = True
if "fg_color" in kwargs:
self.fg_color = kwargs["fg_color"]
del kwargs["fg_color"]
require_redraw = True
if "text_color" in kwargs:
self.text_color = kwargs["text_color"]
del kwargs["text_color"]
require_redraw = True
if "corner_radius" in kwargs:
self.corner_radius = kwargs["corner_radius"]
del kwargs["corner_radius"]
require_redraw = True
super().configure(*args, **kwargs)
if require_redraw is True:
self.draw()
def delete(self, *args, **kwargs):
return self.entry.delete(*args, **kwargs)
def insert(self, *args, **kwargs):
return self.entry.insert(*args, **kwargs)
def get(self):
return self.entry.get()
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, CTk)):
self.bg_color = self.master.fg_color
else:
self.bg_color = self.master.cget("bg")
self.draw()