Files
frontend-dev/frontend/views/buttons_manager.py
Jannes Magnusson 7a3329e8f2 add button manager
2025-10-18 16:21:01 +02:00

178 lines
7.0 KiB
Python

from tkinter import Frame, ttk
from PIL import ImageDraw
from .base import View
from .draw_utils import draw_clock, draw_long_press
class ButtonsManager(View):
# left, left long, right, right long, both long
config = {
'default': {
'left_button_press': 'start_timer_command',
'left_button_long_press': 'reset_timer_command',
'right_button_press': 'tare_command',
'right_button_long_press': 'select_recipe_command',
'both_buttons_long_press': 'open_settings_command',
},
'select_recipe': {},
'settings': {},
}
def __init__(self, parent, im_size, center,
**actions):
self.current_config = self.config['default']
self.long_press_threshold = 1000 # milliseconds
self.left_press_start = None
self.right_press_start = None
self.both_press_start = None
self.left_press_job = None
self.right_press_job = None
self.both_press_job = None
for key, action in actions.items():
setattr(self, key, action)
super().__init__(parent, im_size, center)
def init_ui(self, parent):
self.ui = Frame(parent)
self.left_button = ttk.Button(self.ui, text="Left")
# Bind mouse events for press detection
self.left_button.bind("<Button-1>", self._left_button_press_start)
self.left_button.bind("<ButtonRelease-1>", self._left_button_press_end)
self.left_button.pack(side="left")
self.right_button = ttk.Button(self.ui, text="Right")
# Bind mouse events for press detection
self.right_button.bind("<Button-1>", self._right_button_press_start)
self.right_button.bind("<ButtonRelease-1>", self._right_button_press_end)
self.right_button.pack(side="right")
self.both_buttons = ttk.Button(self.ui, text="Both")
# Bind mouse events for press detection
self.both_buttons.bind("<Button-1>", self._both_buttons_press_start)
self.both_buttons.bind("<ButtonRelease-1>", self._both_buttons_press_end)
self.both_buttons.pack()
self.ui.pack()
def update_weight(self, weight: float) -> None:
im = self.bkg_im.copy()
draw = ImageDraw.Draw(im)
# Draw left button
if self.current_config.get('left_button_press', None):
draw.circle((10, 10), 2, fill='black')
if self.current_config['left_button_press'] == 'start_timer_command':
draw_clock(draw, (20, 10), radius=3)
if self.current_config.get('left_button_long_press', None):
y = self.size[1] - 10
draw_long_press(draw, (10, y))
if self.current_config['left_button_long_press'] == 'reset_timer_command':
draw_clock(draw, (24, y), radius=3)
draw.text((30, y - 5), "R", fill='black')
# Draw right button
if self.current_config.get('right_button_press', None):
draw.circle((self.size[0] - 10, 10), 2, fill='black')
if self.current_config['right_button_press'] == 'tare_command':
draw.text((self.size[0] - 20, 4), "T", fill='black')
if self.current_config.get('right_button_long_press', None):
y = self.size[1] - 10
draw_long_press(draw, (self.size[0] - 10, y))
if self.current_config['right_button_long_press'] == 'select_recipe_command':
draw.text((self.size[0] - 22, y - 5), "R", fill='black')
return im
############ BUTTON ACTIONS ###########
def left_button_press(self):
action = self.current_config.get('left_button_press', None)
if action:
self.__getattribute__(action)()
def left_button_long_press(self):
action = self.current_config.get('left_button_long_press', None)
if action:
self.__getattribute__(action)()
def right_button_press(self):
action = self.current_config.get('right_button_press', None)
if action:
self.__getattribute__(action)()
def right_button_long_press(self):
action = self.current_config.get('right_button_long_press', None)
if action:
self.__getattribute__(action)()
def both_buttons_long_press(self):
action = self.current_config.get('both_buttons_long_press', None)
if action:
self.__getattribute__(action)()
############ BUTTON PRESS HANDLERS ###########
def _left_button_press_start(self, event):
"""Handle left button press start"""
self.left_press_start = self.ui.after_idle(lambda: None) # Get current time reference
# Schedule long press detection
self.left_press_job = self.ui.after(self.long_press_threshold, self._left_long_press_detected)
def _left_button_press_end(self, event):
"""Handle left button press end"""
if self.left_press_job:
self.ui.after_cancel(self.left_press_job)
self.left_press_job = None
# If we get here, it was a short press
self.left_button_press()
self.left_press_start = None
def _left_long_press_detected(self):
"""Called when long press threshold is reached for left button"""
self.left_press_job = None
self.left_button_long_press()
def _right_button_press_start(self, event):
"""Handle right button press start"""
self.right_press_start = self.ui.after_idle(lambda: None) # Get current time reference
# Schedule long press detection
self.right_press_job = self.ui.after(self.long_press_threshold, self._right_long_press_detected)
def _right_button_press_end(self, event):
"""Handle right button press end"""
if self.right_press_job:
self.ui.after_cancel(self.right_press_job)
self.right_press_job = None
# If we get here, it was a short press
self.right_button_press()
self.right_press_start = None
def _right_long_press_detected(self):
"""Called when long press threshold is reached for right button"""
self.right_press_job = None
self.right_button_long_press()
def _both_buttons_press_start(self, event):
"""Handle both buttons press start"""
self.both_press_start = self.ui.after_idle(lambda: None) # Get current time reference
# Schedule long press detection
self.both_press_job = self.ui.after(self.long_press_threshold, self._both_long_press_detected)
def _both_buttons_press_end(self, event):
"""Handle both buttons press end"""
if self.both_press_job:
self.ui.after_cancel(self.both_press_job)
self.both_press_job = None
# If we get here, it was a short press (no action defined)
self.both_press_start = None
def _both_buttons_long_press_detected(self):
"""Called when long press threshold is reached for both buttons"""
self.both_press_job = None
self.both_buttons_long_press()