add epics widgets, CustomROI

qutilities.py

@@ -0,0 +1,51 @@
+from PyQt5 import QtWidgets, QtGui
+from PyQt5.QtWidgets import QWidget, QSizePolicy, QVBoxLayout, QDoubleSpinBox, QMessageBox
+
+from app_config import 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