168 lines
6.2 KiB
Python
168 lines
6.2 KiB
Python
import io
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import tkinter as tk
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from tkinter import Frame, Canvas, ttk, PhotoImage
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from PIL import ImageChops
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from ..config import DISPLAY_TYPES, DISPLAY_MODES
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from .draw_utils import draw_clock
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from . import NumberView, CircleView, TimerView
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from .button_interface import ButtonInterface
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from .buttons_manager import ButtonsManager
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from .recipes import RecipeSelection, RecipeManager, EditRecipe, Recipe, EditStep
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class MainView(tk.Frame, ButtonInterface):
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def __init__(self, parent,
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tare_command=None,
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calibrate_command=None,
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**kwargs):
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super().__init__(parent, **kwargs)
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self.views = []
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self.timer_view = None # Timer view is always active
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self.tare_command = tare_command
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self.calibrate_command = calibrate_command
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self.actions = Frame(self)
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self.actions.pack()
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self.calibrate_button = ttk.Button(self.actions, text="Calibrate", command=calibrate_command)
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self.calibrate_button.pack()
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self.im_size = (168, 144)
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self.center = (168 // 2, 144 // 2)
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# Create timer view that's always active
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self.canvas = Canvas(self, width=168, height=144, background='white',
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highlightthickness=1, highlightbackground="black")
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self.canvas.pack()
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self.timer_view = TimerView(self.actions, self.im_size, self.center)
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self.buttons = ButtonsManager(self, self.im_size, self.center,
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curr_view=self)
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self.recipes_manager = RecipeManager()
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self.curr_mode = DISPLAY_MODES.MAIN
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def has_button(self):
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return True, True, True, True
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def left_press(self):
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self.timer_view.toggle_timer()
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def left_long_press(self):
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self.timer_view.reset_timer()
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def right_press(self):
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self.tare_command()
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def right_long_press(self):
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self.enter_recipe_selection()
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def render_left_press(self, draw, x, y):
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draw_clock(draw, (x, y), radius=3)
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def render_left_long_press(self, draw, x, y):
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draw_clock(draw, (x, y), radius=3)
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draw.text((x + 6, y - 5), "0.0", fill='black')
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def render_right_press(self, draw, x, y):
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draw.text((x, y), "T", fill='black')
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def render_right_long_press(self, draw, x, y):
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draw.text((x, y - 5), "R", fill='black')
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def enter_main_mode(self):
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self.curr_mode = DISPLAY_MODES.MAIN
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self.buttons.current_view = self
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self.refresh(0.0)
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def enter_recipe_selection(self):
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self.curr_mode = DISPLAY_MODES.RECIPE_SELECTION
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self.buttons.current_view = RecipeSelection(self,
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self.im_size, self.center,
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recipe_manager=self.recipes_manager,
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edit_recipe_command=self.enter_edit_recipe,
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deactivate_command=self.enter_main_mode)
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self.refresh(0.0)
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def enter_edit_recipe(self, recipe_id: int = None):
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self.curr_mode = DISPLAY_MODES.EDIT_RECIPE
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self.buttons.current_view = EditRecipe(self,
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self.im_size, self.center,
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recipe_id=recipe_id,
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recipe_manager=self.recipes_manager,
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edit_step_command=self.enter_edit_step,
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deactivate_command=self.enter_recipe_selection)
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self.refresh(0.0)
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def enter_edit_step(self, recipe_id: int, step_idx: int):
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self.curr_mode = DISPLAY_MODES.EDIT_STEP
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self.buttons.current_view = EditStep(self,
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self.im_size, self.center,
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recipe_id=recipe_id,
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step_index=step_idx,
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recipe_manager=self.recipes_manager,
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deactivate_command=lambda: self.enter_edit_recipe(recipe_id))
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self.refresh(0.0)
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################ VIEW MANAGEMENT ################
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def update_views(self, selected_types: DISPLAY_TYPES):
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# Clear only the selectable views, not the timer
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for v in self.views:
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if v.ui is not None:
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v.ui.destroy()
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self.views.clear()
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if selected_types & DISPLAY_TYPES.NUMBER:
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number_view = NumberView(self.actions, self.im_size, self.center)
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self.views.append(number_view)
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if selected_types & DISPLAY_TYPES.CIRCLE:
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circle_view = CircleView(self.actions, self.im_size, self.center)
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self.views.append(circle_view)
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def refresh(self, weight: float):
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ims = []
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if self.curr_mode == DISPLAY_MODES.MAIN:
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# Always include timer and button view
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if self.timer_view:
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timer_im = self.timer_view.update_weight(weight)
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button_im = self.buttons.update_weight(weight)
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ims.append(timer_im)
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ims.append(button_im)
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# Add other selected views
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for view in self.views:
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im = view.update_weight(weight)
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ims.append(im)
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else:
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button_im = self.buttons.update_weight(weight)
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ims.append(button_im)
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recipe_im = self.buttons.current_view.update_weight(weight)
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ims.append(recipe_im)
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self.canvas.delete("all")
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# Combine images by logical_and
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if ims:
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combined_im = ims[0]
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for im in ims[1:]:
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combined_im = ImageChops.invert(ImageChops.logical_xor(combined_im, im))
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# Convert PIL image to bytes
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buffer = io.BytesIO()
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combined_im.save(buffer, format='PNG')
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buffer.seek(0)
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# Load into PhotoImage and display on canvas
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self.photo = PhotoImage(data=buffer.getvalue())
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self.canvas.create_image(0, 0, anchor="nw", image=self.photo)
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