from PyQt5 import QtWidgets, QtGui
from PyQt5.QtWidgets import QWidget, QSizePolicy, QVBoxLayout, QDoubleSpinBox, QMessageBox

from app_config import AppCfg #option, toggle_option


def toggle_warn(key):
    toggle_option(key)
    m = f"Option {key} => {option(key)}"
    QMessageBox.warning(None, m, m)

def horiz_spacer():
    spacer = QWidget()
    spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
    return spacer


def toggle_visibility(widget, state):
    if state:
        widget.show()
    else:
        widget.hide()


def get_sep_line():
    line = QtWidgets.QFrame()
    line.setFixedHeight(2)
    line.setFrameShadow(QtWidgets.QFrame.Sunken)
    line.setFrameShape(QtWidgets.QFrame.HLine)
    return line


def check_font_by_id(id):
    for family in QtGui.QFontDatabase.applicationFontFamilies(id):
        print(family)


def toggle_groupbox(gbox, state):
    widget = gbox.layout().itemAt(0).widget()
    widget.setVisible(state)

def add_item_to_toolbox(toolbox, label, widget_list=[]):
    block = QWidget()
    block.setAccessibleName(label)
    block.setContentsMargins(0, 0, 0, 0)
    block.setLayout(QVBoxLayout())
    for w in widget_list:
        block.layout().addWidget(w)
    block.layout().addStretch()
    item = toolbox.addItem(block, label)
    return item