15 Commits

Author SHA1 Message Date
c815762f72 refactor: enhance mock camera classes and update camera detection logic 2025-10-09 18:47:17 +02:00
ca25b06f99 refactor: implement CameraManager class with methods for detecting GPhoto and OpenCV cameras 2025-10-01 18:26:41 +02:00
dea17b8b26 refactor: update detect method in camera classes to return dictionaries instead of lists 2025-10-01 18:26:02 +02:00
324ab2e016 refactor: update camera classes to improve initialization and connection handling 2025-09-30 21:50:30 +02:00
196eff7fd8 refacot: change name from CameraManager to CameraController. Add set_camera nad cleanup code. 2025-09-30 18:58:56 +02:00
e2c8352c44 fix: correct config attribute from 'config' to 'widget' in set_config method 2025-09-30 18:56:47 +02:00
dcf4ef0f0a refactor: implement set_dark_theme function for application theming 2025-09-27 12:26:57 +02:00
1ff5091250 refactor: update set_config methods to specify return type as None
feat: implement CvCamera class for OpenCV camera handling
2025-09-27 12:26:43 +02:00
373e01310e refactor: update GPhotoCamera configuration methods for consistency 2025-09-21 22:01:46 +02:00
abc07fd08d refactor: replace CameraWidget with dictionary-based config handling in GPhotoCamera 2025-09-21 21:43:44 +02:00
35576986c9 refactor gphoto_camera 2025-09-21 20:51:37 +02:00
19e2c7977c feat: read gphoto config 2025-09-21 18:46:38 +02:00
508930ae39 feat: implement camera management with GPhotoCamera and CameraManager classes 2025-09-21 08:38:26 +02:00
2187536c7d refactor: update camera handling with mock implementation and improve signal connections 2025-09-15 20:58:05 +02:00
6133c9fb18 add application style setting and requirements file for dependencies 2025-09-09 19:34:36 +02:00
11 changed files with 767 additions and 48 deletions

View File

@@ -1,11 +1,14 @@
import gphoto2 as gp
# import gphoto2 as gp
import numpy as np
import cv2
from PySide6.QtCore import QObject, QThread, Signal
from PySide6.QtGui import QImage, QPixmap
# try:
# import gphoto2 as gp
# except:
from . import mock_gphoto as gp
class CameraWorker(QObject):
frameReady = Signal(QPixmap)
@@ -20,7 +23,7 @@ class CameraWorker(QObject):
def start_camera(self):
"""Uruchom kamerę i zacznij pobierać klatki"""
try:
self.camera = gp.Camera()
self.camera = gp.Camera() # type: ignore
self.camera.init()
self.running = True
self._capture_loop()

View File

@@ -1,12 +1,18 @@
from PySide6.QtWidgets import QPushButton
from pathlib import Path
from core.database import DatabaseManager
from core.media import MediaRepository
from ui.widgets.color_list_widget import ColorListWidget
from ui.widgets.thumbnail_list_widget import ThumbnailListWidget
from ui.widgets.split_view_widget import SplitView
from PySide6.QtWidgets import QPushButton
# from .camera_controller import CameraController
from core.camera.camera_controller import CameraController
from core.camera.camera_manager import CameraManager
from core.camera.gphoto_camera import GPhotoCamera
from core.camera.camera_controller import CameraController
class MainController:
def __init__(self, view):
self.db = DatabaseManager()
@@ -14,6 +20,14 @@ class MainController:
self.media_repo = MediaRepository(self.db)
self.media_repo.sync_media()
# camera = GPhotoCamera()
# self.manager = CameraController(camera)
manager = CameraManager()
manager.detect_gphoto()
manager.detect_opencv()
# self.camera_controller = CameraController()
self.view = view
self.color_list: ColorListWidget = view.color_list_widget
self.thumbnail_list: ThumbnailListWidget = view.thumbnail_widget
@@ -22,10 +36,24 @@ class MainController:
self.photo_button: QPushButton = view.photo_button
self.photo_button.clicked.connect(self.take_photo)
self.record_button: QPushButton = view.record_button
# self.record_button.clicked.connect(self.fun_test)
self.color_list.colorSelected.connect(self.on_color_selected)
self.color_list.editColor.connect(self.on_edit_color)
self.thumbnail_list.selectedThumbnail.connect(self.on_thumbnail_selected)
# self.camera_controller.errorOccurred.connect(self.split_view.widget_start.set_info_text)
# self.manager.error_occurred.connect(self.split_view.widget_start.set_info_text)
# self.camera_controller.frameReady.connect(self.split_view.set_live_image)
# self.manager.frame_ready.connect(self.split_view.set_live_image)
# self.split_view.widget_start.camera_start_btn.clicked.connect(self.camera_controller.start)
self.split_view.widget_start.camera_start_btn.clicked.connect(self.start_liveview)
def start_camera(self):
pass
def load_colors(self) -> None:
colors = self.db.get_all_colors()
print("Loaded colors:", colors)
@@ -61,3 +89,12 @@ class MainController:
def take_photo(self):
print("Robienie zdjęcia...")
self.split_view.toglle_live_view()
def start_liveview(self):
pass
# self.manager.start_camera()
# self.manager.start_stream()
def shutdown(self):
pass
# self.manager.stop()

148
controllers/mock_gphoto.py Normal file
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@@ -0,0 +1,148 @@
import cv2
import numpy as np
GP_WIDGET_WINDOW = 0
GP_WIDGET_SECTION = 0
GP_WIDGET_TEXT = 0
GP_WIDGET_RANGE = 0
GP_WIDGET_TOGGLE = 0
GP_WIDGET_RADIO = 0
GP_WIDGET_MENU = 0
GP_WIDGET_BUTTON = 0
GP_WIDGET_DATE = 0
class GPhoto2Error(Exception):
pass
class CameraFileMock:
"""Mock obiektu zwracanego przez gphoto2.Camera.capture_preview()"""
def __init__(self, frame: np.ndarray):
# Kodowanie do JPEG, żeby symulować prawdziwe dane z kamery
success, buf = cv2.imencode(".jpg", frame)
if not success:
raise GPhoto2Error("Nie udało się zakodować ramki testowej.")
self._data = buf.tobytes()
def get_data_and_size(self):
return self._data
return self._data, len(self._data)
class CameraListMock:
def count(self):
return 1
def get_name(self, idx):
return f"mock_name {idx}"
def get_value(self, idx):
return f"mock_value {idx}"
class MockPortInfo:
def __init__(self, address):
self.address = address
class PortInfoList:
def __init__(self):
self._ports = []
def load(self):
# Dodaj przykładowe porty
self._ports = [MockPortInfo("usb:001,002"), MockPortInfo("usb:001,003")]
def lookup_path(self, port_address):
for idx, port in enumerate(self._ports):
if port.address == port_address:
return idx
raise ValueError("Port not found")
def __getitem__(self, idx):
return self._ports[idx]
class ConfigMock:
def get_id(self):
return 0
def get_name(self):
return "name"
def get_label(self):
return "label"
def get_type(self):
return 0
def get_value(self):
return "value"
def get_choices(self):
return []
def count_children(self):
return 0
def get_child(self):
return ConfigMock()
class CameraAbilitiesList:
def __init__(self) -> None:
self.abilities = []
def load(self):
return
def lookup_model(self, name):
return 1
def get_abilities(self, abilities_index):
return 0
class Camera:
def __init__(self):
self._frame_counter = 0
self._running = False
def init(self):
self._running = True
print("[my_gphoto] Kamera MOCK zainicjalizowana")
def exit(self):
self._running = False
print("[my_gphoto] Kamera MOCK wyłączona")
def capture_preview(self):
if not self._running:
raise GPhoto2Error("Kamera MOCK nie jest uruchomiona")
# przykład 1: wczytaj stały obrazek z pliku
# frame = cv2.imread("test_frame.jpg")
# if frame is None:
# raise GPhoto2Error("Nie znaleziono test_frame.jpg")
# przykład 2: wygeneruj kolorową planszę
h, w = 480, 640
color = (self._frame_counter % 255, 100, 200)
frame = np.full((h, w, 3), color, dtype=np.uint8)
# dodanie napisu
text = "OBRAZ TESTOWY"
font = cv2.FONT_HERSHEY_SIMPLEX
scale = 1.5
thickness = 3
color_text = (255, 255, 255)
(text_w, text_h), _ = cv2.getTextSize(text, font, scale, thickness)
x = (w - text_w) // 2
y = (h + text_h) // 2
cv2.putText(frame, text, (x, y), font, scale, color_text, thickness, cv2.LINE_AA)
self._frame_counter += 1
return CameraFileMock(frame)
def set_port_info(self, obj):
return False
def get_config(self):
return ConfigMock()
def set_single_config(self, name, widget):
return True
def gp_camera_autodetect():
return CameraListMock()
def check_result(obj):
return obj

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@@ -0,0 +1,42 @@
from abc import ABC, abstractmethod
class BaseCamera(ABC):
def __init__(self) -> None:
self.error_msg = None
@staticmethod
@abstractmethod
def detect() -> dict:
raise NotImplementedError
@abstractmethod
def connect(self, index: int | None = None) -> bool:
raise NotImplementedError
@abstractmethod
def disconnect(self) -> None:
raise NotImplementedError
@abstractmethod
def get_frame(self):
raise NotImplementedError
@abstractmethod
def get_config_by_id(self, id: int) -> dict:
raise NotImplementedError
@abstractmethod
def get_config_by_name(self, name: str) -> dict:
raise NotImplementedError
@abstractmethod
def set_config_by_id(self, id: int, value) -> None:
raise NotImplementedError
@abstractmethod
def set_config_by_name(self, name: str, value) -> None:
raise NotImplementedError
def get_error_msg(self):
return str(self.error_msg)

View File

@@ -0,0 +1,115 @@
from PySide6.QtCore import QObject, QThread, QTimer, Signal, Slot, QMutex, QMutexLocker
from PySide6.QtGui import QImage, QPixmap
import cv2
from .base_camera import BaseCamera
class CameraController(QThread):
frame_ready = Signal(QPixmap)
photo_ready = Signal(QPixmap)
error_occurred = Signal(str)
_enable_timer = Signal(bool)
def __init__(self, parent: QObject | None = None) -> None:
super().__init__(parent)
self.camera = None
self.timer = None
self.fps = 15
self.is_streaming = False
self.is_connected = False
self._camera_mutex = QMutex()
self.start()
def run(self) -> None:
self.timer = QTimer()
self.timer.timeout.connect(self._update_frame)
self._enable_timer.connect(self._set_timer)
self.exec()
def stop(self):
self.stop_camera()
self.quit()
self.wait()
def set_camera(self, camera: BaseCamera, fps: int = 15) -> None:
with QMutexLocker(self._camera_mutex):
self.stop_stream()
self.stop_camera()
self.camera = camera
self.fps = fps
def start_camera(self) -> None:
if self.camera is None or self.is_connected:
return
if self.camera.connect():
self.is_connected = True
else:
self.is_connected = False
self.error_occurred.emit(self.camera.get_error_msg())
def stop_camera(self) -> None:
if self.is_streaming:
self.stop_stream()
if self.camera is not None:
self.camera.disconnect()
self.is_connected = False
def start_stream(self):
if not self.is_connected:
return
if self.is_streaming:
return
if self.timer:
self.is_streaming = True
# self.timer.start()
self._enable_timer.emit(True)
def stop_stream(self) -> None:
if self.is_streaming:
self.is_streaming = False
if self.timer:
# self.timer.stop()
self._enable_timer.emit(False)
def _update_frame(self) -> None:
with QMutexLocker(self._camera_mutex):
if self.camera is None or not self.is_connected:
return
if not self.is_streaming:
return
ret, frame = self.camera.get_frame()
if not ret:
self.error_occurred.emit(self.camera.get_error_msg())
return
if frame is not None:
rgb_image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
h, w, ch = rgb_image.shape
qimg = QImage(rgb_image.data, w, h, ch * w, QImage.Format.Format_RGB888)
pixmap = QPixmap.fromImage(qimg)
self.frame_ready.emit(pixmap)
def _set_timer(self, enable: bool):
if not self.timer:
return
if enable:
self.timer.setInterval(int(1000 / self.fps))
self.timer.start()
else:
self.timer.stop()

View File

@@ -0,0 +1,20 @@
from .gphoto_camera import GPhotoCamera
from .opencv_camera import OpenCvCamera
from .camera_controller import CameraController
class CameraManager:
def __init__(self) -> None:
pass
def detect_gphoto(self):
camera_list = GPhotoCamera.detect()
print(camera_list)
return camera_list
def detect_opencv(self):
camera_list = OpenCvCamera.detect()
print(camera_list)
return camera_list

View File

@@ -0,0 +1,173 @@
from typing import Optional, List
from dataclasses import dataclass, field
import cv2
import numpy as np
from .base_camera import BaseCamera
try:
import gphoto2 as gp # type: ignore
except:
import controllers.mock_gphoto as gp
camera_widget_types = {
gp.GP_WIDGET_WINDOW: "GP_WIDGET_WINDOW", # type: ignore
gp.GP_WIDGET_SECTION: "GP_WIDGET_SECTION", # type: ignore
gp.GP_WIDGET_TEXT: "GP_WIDGET_TEXT", # type: ignore
gp.GP_WIDGET_RANGE: "GP_WIDGET_RANGE", # type: ignore
gp.GP_WIDGET_TOGGLE: "GP_WIDGET_TOGGLE", # type: ignore
gp.GP_WIDGET_RADIO: "GP_WIDGET_RADIO", # type: ignore
gp.GP_WIDGET_MENU: "GP_WIDGET_MENU", # type: ignore
gp.GP_WIDGET_BUTTON: "GP_WIDGET_BUTTON", # type: ignore
gp.GP_WIDGET_DATE: "GP_WIDGET_DATE", # type: ignore
}
operations = [
("GP_OPERATION_NONE", gp.GP_OPERATION_NONE), # type: ignore
("GP_OPERATION_CAPTURE_IMAGE", gp.GP_OPERATION_CAPTURE_IMAGE), # type: ignore
("GP_OPERATION_CAPTURE_VIDEO", gp.GP_OPERATION_CAPTURE_VIDEO), # type: ignore
("GP_OPERATION_CAPTURE_AUDIO", gp.GP_OPERATION_CAPTURE_AUDIO), # type: ignore
("GP_OPERATION_CAPTURE_PREVIEW", gp.GP_OPERATION_CAPTURE_PREVIEW), # type: ignore
("GP_OPERATION_CONFIG", gp.GP_OPERATION_CONFIG), # type: ignore
("GP_OPERATION_TRIGGER_CAPTURE", gp.GP_OPERATION_TRIGGER_CAPTURE), # type: ignore
]
class GPhotoCamera(BaseCamera):
def __init__(self) -> None:
super().__init__()
self.camera = None
self.configs: List[dict] = []
self.camera_index = 0
@staticmethod
def detect() -> dict:
cameras = gp.check_result(gp.gp_camera_autodetect()) # type: ignore
# cameras = gp.Camera().autodetect()
if not cameras or cameras.count() == 0: # type: ignore
return {}
abilities_list = gp.CameraAbilitiesList() # type: ignore
abilities_list.load()
camera_list = {}
for i in range(cameras.count()): # type: ignore
name = cameras.get_name(i) # type: ignore
port = cameras.get_value(i) # type: ignore
abilities_index = abilities_list.lookup_model(name)
abilities = abilities_list.get_abilities(abilities_index)
abilities_name = []
for name, bit in operations:
if abilities.operations & bit: # type: ignore
abilities_name.append(name)
camera_list[i] = {"name": name, "port": port, "abilities": abilities_name}
return camera_list
def connect(self, index: int | None = None) -> bool:
self.error_msg = None
self.camera = gp.Camera() # type: ignore
try:
if index:
self.camera_index = index
camera_list = GPhotoCamera.detect()
port_info_list = gp.PortInfoList()
port_info_list.load()
port_address = camera_list[index]["port"]
port_index = port_info_list.lookup_path(port_address)
self.camera.set_port_info(port_info_list[port_index])
self.camera.init()
config = self.camera.get_config()
self.read_config(config)
return True
except Exception as e:
self.error_msg = f"[GPHOTO2] {e}"
self.camera = None
return False
def disconnect(self) -> None:
if self.camera:
self.camera.exit()
self.camera = None
self.configs.clear()
def get_frame(self):
self.error_msg = None
if self.camera is None:
self.error_msg = "[GPHOTO2] Camera is not initialized."
return (False, None)
try:
file = self.camera.capture_preview() # type: ignore
data = file.get_data_and_size()
frame = np.frombuffer(data, dtype=np.uint8)
frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
return (True, frame)
except Exception as e:
self.error_msg = f"[GPHOTO2] {e}"
return (False, None)
def get_config_by_id(self, id: int):
return next(w for w in self.configs if w['id'] == id)
def get_config_by_name(self, name: str):
return next(w for w in self.configs if w['name'] == name)
def set_config(self, config, value):
if value not in config['choices']:
return
config['widget'].set_value(value) # type: ignore
if self._save_config(config):
config['value'] = value
def set_config_by_id(self, id: int, value: str):
config = self.get_config_by_id(id)
self.set_config(config, value)
def set_config_by_name(self, name: str, value: str):
config = self.get_config_by_name(name)
self.set_config(config, value)
def _save_config(self, config):
if not self.camera:
return False
self.camera.set_single_config(config['name'], config['widget'])
return True
def parse_config(self, config):
new_config = {
"id": config.get_id(),
"name": config.get_name(),
"label": config.get_label(),
"type": camera_widget_types[config.get_type()],
"widget": config
}
try:
new_config["value"] = config.get_value()
except gp.GPhoto2Error:
pass
try:
new_config["choices"] = list(config.get_choices())
except gp.GPhoto2Error:
pass
return new_config
def read_config(self, config):
self.configs.append(self.parse_config(config))
for i in range(config.count_children()):
child = config.get_child(i)
self.read_config(child)

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@@ -0,0 +1,122 @@
import cv2
from cv2_enumerate_cameras import enumerate_cameras
from typing import List
from .base_camera import BaseCamera
class OpenCvCamera(BaseCamera):
"""Kamera oparta na cv2.VideoCapture"""
config_map = {
0: {"name": "frame_width", "cv_prop": cv2.CAP_PROP_FRAME_WIDTH, "default": 640},
1: {"name": "frame_height", "cv_prop": cv2.CAP_PROP_FRAME_HEIGHT, "default": 480},
2: {"name": "fps", "cv_prop": cv2.CAP_PROP_FPS, "default": 30},
3: {"name": "brightness", "cv_prop": cv2.CAP_PROP_BRIGHTNESS, "default": 0.5},
4: {"name": "contrast", "cv_prop": cv2.CAP_PROP_CONTRAST, "default": 0.5},
5: {"name": "saturation", "cv_prop": cv2.CAP_PROP_SATURATION, "default": 0.5},
}
def __init__(self) -> None:
super().__init__()
self.cap = None
self.configs: List[dict] = []
self.camera_list = []
self.camera_index = 0
@staticmethod
def detect():
camera_list = enumerate_cameras(cv2.CAP_ANY)
result = {}
for camera in camera_list:
cap = cv2.VideoCapture(camera.index, camera.backend)
# ret, frame = cap.read()
cap.release()
# if ret and frame is not None and frame.size > 0:
result[camera.index] = {
"name": camera.name,
"port": camera.path,
"backend": camera.backend,
}
return result
def connect(self, index: int | None = None) -> bool:
self.error_msg = None
try:
if index:
self.camera_index = index
self.cap = cv2.VideoCapture(self.camera_index)
if not self.cap.isOpened():
self.error_msg = f"[CV2] Could not open camera {self.camera_index}"
return False
self.configs.clear()
for id, conf in self.config_map.items():
value = self.cap.get(conf["cv_prop"])
self.configs.append(
{
"id": id,
"name": conf["name"],
"label": conf["name"].capitalize(),
"value": value,
"choices": None, # brak predefiniowanych wyborów
"cv_prop": conf["cv_prop"],
}
)
return True
except Exception as e:
self.error_msg = f"[CV2] {e}"
self.cap = None
return False
def disconnect(self) -> None:
if self.cap:
self.cap.release()
self.cap = None
self.configs.clear()
def get_frame(self):
self.error_msg = None
if self.cap is None or not self.cap.isOpened():
self.error_msg = "[CV2] Camera is not initialized."
return (False, None)
try:
ret, frame = self.cap.read()
if not ret:
self.error_msg = "[CV2] Failed to read frame."
return (False, None)
return (True, frame)
except Exception as e:
self.error_msg = f"[CV2] {e}"
return (False, None)
def get_config_by_id(self, id: int):
return next(w for w in self.configs if w["id"] == id)
def get_config_by_name(self, name: str):
return next(w for w in self.configs if w["name"] == name)
def set_config(self, config, value: float):
if not self.cap:
return
try:
self.cap.set(config["cv_prop"], value)
config["value"] = self.cap.get(
config["cv_prop"]) # sprawdz co ustawiło
except Exception as e:
self.error_msg = f"[CV2] {e}"
def set_config_by_id(self, id: int, value: float):
config = self.get_config_by_id(id)
self.set_config(config, value)
def set_config_by_name(self, name: str, value: float):
config = self.get_config_by_name(name)
self.set_config(config, value)

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@@ -1,6 +1,7 @@
import sys
from PySide6.QtWidgets import QApplication
from ui.main_palette import set_dark_theme
from ui.main_window import MainWindow
from controllers.main_controller import MainController
@@ -8,9 +9,13 @@ from controllers.main_controller import MainController
def main():
app = QApplication(sys.argv)
set_dark_theme(app)
# app.setStyle("Fusion")
window = MainWindow()
controller = MainController(window)
controller.load_colors()
app.aboutToQuit.connect(controller.shutdown)
window.show()
sys.exit(app.exec())

6
requirements.txt Normal file
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@@ -0,0 +1,6 @@
numpy==2.2.6
opencv-python==4.12.0.88
PySide6==6.9.2
PySide6_Addons==6.9.2
PySide6_Essentials==6.9.2
shiboken6==6.9.2

48
ui/main_palette.py Normal file
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@@ -0,0 +1,48 @@
import sys
from PySide6.QtWidgets import QApplication
from PySide6.QtGui import QPalette, QColor
from PySide6.QtCore import Qt
def set_dark_theme(app: QApplication):
"""Definiuje i stosuje ciemną paletę kolorów do aplikacji."""
# 1. Upewnij się, że styl jest ustawiony na "Fusion"
app.setStyle('Fusion')
# 2. Definicja kolorów dla ciemnego motywu
palette = QPalette()
# Kolory tła
DARK_GRAY = QColor(45, 45, 45) # Ogólne tło okien i widżetów (Base, Window)
LIGHT_GRAY = QColor(53, 53, 53) # Tło elementów, np. toolbara, menu (Window)
VERY_DARK_GRAY = QColor(32, 32, 32) # Kolor tła dla kontrolek (Button)
# Kolory tekstu i obramowań
WHITE = QColor(200, 200, 200) # Główny kolor tekstu (Text, WindowText)
HIGHLIGHT = QColor(66, 135, 245) # Kolor podświetlenia (Highlight)
# Ustawienie głównej palety
# palette.setColor(QPalette.ColorRole.Window, LIGHT_GRAY)
palette.setColor(QPalette.ColorRole.Window, VERY_DARK_GRAY)
palette.setColor(QPalette.ColorRole.WindowText, WHITE)
palette.setColor(QPalette.ColorRole.Base, DARK_GRAY)
palette.setColor(QPalette.ColorRole.AlternateBase, LIGHT_GRAY)
palette.setColor(QPalette.ColorRole.ToolTipBase, WHITE)
palette.setColor(QPalette.ColorRole.ToolTipText, WHITE)
palette.setColor(QPalette.ColorRole.Text, WHITE)
palette.setColor(QPalette.ColorRole.Button, VERY_DARK_GRAY)
palette.setColor(QPalette.ColorRole.ButtonText, WHITE)
palette.setColor(QPalette.ColorRole.BrightText, Qt.GlobalColor.red)
palette.setColor(QPalette.ColorRole.Link, QColor(42, 130, 218))
palette.setColor(QPalette.ColorRole.PlaceholderText, QColor(150, 150, 150))
# Kolory zaznaczenia/interakcji
palette.setColor(QPalette.ColorRole.Highlight, HIGHLIGHT)
palette.setColor(QPalette.ColorRole.HighlightedText, Qt.GlobalColor.black)
# Kontrolki wyłączone (Disabled)
# palette.setColor(QPalette.ColorRole.Disabled, QPalette.ColorGroup.Active, QPalette.ColorRole.Text, QColor(127, 127, 127))
# palette.setColor(QPalette.ColorRole.Disabled, QPalette.ColorGroup.Active, QPalette.ColorRole.ButtonText, QColor(127, 127, 127))
# 3. Zastosowanie palety do aplikacji
app.setPalette(palette)