Source code for mantidimaging.gui.windows.settings.view

# Copyright (C) 2021 ISIS Rutherford Appleton Laboratory UKRI
# SPDX - License - Identifier: GPL-3.0-or-later
from __future__ import annotations
from logging import getLogger
from typing import TYPE_CHECKING

from PyQt5.QtCore import QSettings, QSignalBlocker
from PyQt5.QtWidgets import QTabWidget, QWidget, QComboBox, QLabel, QCheckBox, QSpinBox

from mantidimaging.gui.mvp_base import BaseMainWindowView

from qt_material import list_themes, QtStyleTools

from mantidimaging.gui.windows.settings.presenter import SettingsWindowPresenter

if TYPE_CHECKING:
    from mantidimaging.gui.windows.main import MainWindowView  # noqa:F401  # pragma: no cover

LOG = getLogger(__name__)

settings = QSettings('mantidproject', 'Mantid Imaging')




class SettingsWindowView(BaseMainWindowView, QtStyleTools):
    settingsTabWidget: QTabWidget
    appearanceTab: QWidget
    themeName: QComboBox
    themeLabel: QLabel
    menuFontSizeLabel: QLabel
    menuFontSizeChoice: QComboBox
    darkModeCheckBox: QCheckBox
    osDefaultsCheckBox: QCheckBox

    processesLabel: QLabel
    processesSpinBox: QSpinBox

    def __init__(self, main_window: MainWindowView):
        super().__init__(None, 'gui/ui/settings_window.ui')
        self.setWindowTitle('Settings')
        self.main_window = main_window
        self.presenter = SettingsWindowPresenter(self, main_window)

        self.themeName.addItem('Fusion')
        self.themeName.addItems(list_themes())
        self.themeName.setCurrentText(self.presenter.current_theme)

        self.menuFontSizeChoice.addItems([str(font_size) for font_size in range(4, 21)])
        self.menuFontSizeChoice.setCurrentText(self.presenter.current_menu_font_size.replace('px', ''))

        self.themeName.currentTextChanged.connect(self.presenter.set_theme)
        self.menuFontSizeChoice.currentTextChanged.connect(self.presenter.set_extra_style)
        self.darkModeCheckBox.stateChanged.connect(self.presenter.set_dark_mode)
        self.osDefaultsCheckBox.stateChanged.connect(self.presenter.set_to_os_defaults)

        if self.current_theme != 'Fusion':
            self.darkModeCheckBox.setEnabled(False)
        with (QSignalBlocker(self.darkModeCheckBox)):
            if settings.value('use_dark_mode') == 'True' or (settings.value('os_theme') == 'Dark'
                                                             and settings.value('override_os_theme') == 'False'):
                self.darkModeCheckBox.setChecked(True)
            else:
                self.darkModeCheckBox.setChecked(False)

        if settings.value('use_os_defaults') == 'True' or settings.value('use_os_defaults') is None:
            self.osDefaultsCheckBox.setChecked(True)
        self.processesSpinBox.setMinimum(1)
        self.processesSpinBox.setMaximum(128)
        self.processesSpinBox.setValue(settings.value("multiprocessing/process_count", 8, type=int))
        self.processesSpinBox.valueChanged.connect(self.presenter.set_processes_value)

    @property
    def current_theme(self) -> str:
        return self.themeName.currentText()

    @property
    def current_menu_font_size(self) -> str:
        return self.menuFontSizeChoice.currentText()

    @property
    def current_processes_value(self) -> int:
        return self.processesSpinBox.value()