Binning and Tg (#85)

add binning; determine Tg of DSC;

closes #60; part of #61

Co-authored-by: Dominik Demuth <dominik.demuth@physik.tu-darmstadt.de>
Reviewed-on: IPKM/nmreval#85

src/gui_qt/lib/forms.py

@@ -1,3 +1,5 @@
+from typing import Any
+
 from numpy import inf
 
 from nmreval.utils.text import convert
@@ -404,3 +406,21 @@ class ElideComboBox(QtWidgets.QComboBox):
 
         opt.currentText = painter.fontMetrics().elidedText(opt.currentText, QtCore.Qt.ElideRight, rect.width())
         painter.drawControl(QtWidgets.QStyle.CE_ComboBoxLabel, opt)
+
+
+class CheckCombobox(QtWidgets.QComboBox):
+
+    def addItem(self, text: str, userData: Any=None) -> None:
+        super().addItem(text, userData=userData)
+
+        item = self.model().item(self.count()-1)
+        item.setFlags(QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsUserCheckable)
+        item.setCheckState(QtCore.Qt.Checked)
+
+    def addItems(self, text):
+        for text_i in text:
+            self.addItem(text_i)
+
+    def isChecked(self, idx: int) -> bool:
+        return bool(self.model().item(idx).checkState())
+

src/gui_qt/lib/pg_objects.py

@@ -174,6 +174,7 @@ class PlotItem(PlotDataItem):
             pen = self.opts['pen']
             if isinstance(pen, tuple):
                 self.opts['linecolor'] = pen
+                self.opts['pen'] = mkPen(color=pen)
             else:
                 c = pen.color()
                 self.opts['linecolor'] = c.red(), c.green(), c.blue()
@@ -279,7 +280,7 @@ class PlotItem(PlotDataItem):
         else:
             self.scatter.hide()
 
-    def set_symbol(self, symbol=None, size=None, color=None):
+    def set_symbol(self, *, symbol=None, size=None, color=None):
         if symbol is not None:
             if isinstance(symbol, int):
                 self.setSymbol(SymbolStyle(symbol).to_str())
@@ -313,14 +314,13 @@ class PlotItem(PlotDataItem):
             self.opts['pen'] = pen
             self.updateItems()
 
-    def set_line(self, style=None, width=None, color=None):
+    def set_line(self, *, style=None, width=None, color=None):
         pen = self.opts['pen']
         if pen is None:
             pen = mkPen(style=QtCore.Qt.NoPen)
 
         if width is not None:
             pen.setWidthF(width)
-
         if style is not None:
             if isinstance(style, LineStyle):
                 style = style.value