[widget] added dirty flag signal and updated description label

beat/editor/widgets/description.py

@@ -23,8 +23,9 @@
 #                                                                             #
 ###############################################################################
 
+from PyQt5.QtCore import pyqtSignal
+
 from PyQt5.QtWidgets import QLineEdit
-from PyQt5.QtWidgets import QLabel
 from PyQt5.QtWidgets import QWidget
 from PyQt5.QtWidgets import QFormLayout
 
@@ -32,16 +33,17 @@ from PyQt5.QtWidgets import QFormLayout
 class DescriptionWidget(QWidget):
     """Class representing the short description of a beat object"""
 
+    data_changed = pyqtSignal()
+
     def __init__(self, parent=None):
         """Constructor"""
 
         super(DescriptionWidget, self).__init__(parent)
 
-        self.form_label = QLabel("Short Description:")
         self.form_description = QLineEdit()
 
         layout = QFormLayout(self)
-        layout.addRow(self.form_label, self.form_description)
+        layout.addRow(self.tr("Short Description:"), self.form_description)
 
     @property
     def short_description(self):
@@ -52,3 +54,4 @@ class DescriptionWidget(QWidget):
     @short_description.setter
     def short_description(self, name):
         self.form_description.setText(name)
+        self.data_changed.emit()