1 files changed, 16 insertions, 0 deletions
diff --git a/src/main/python/utils/layout.py b/src/main/python/utils/layout.py
index b977a68..e1354b0 100644
--- a/src/main/python/utils/layout.py
+++ b/src/main/python/utils/layout.py
@@ -2,6 +2,10 @@ from PyQt5.QtCore import Qt, QRect, QPoint, QSize
 from PyQt5.QtWidgets import QLayout, QSizePolicy
 
 class flowLayout(QLayout):
+    """
+    Custom layout that flows horizontally first, then vertically.
+    From Qt examples.
+    """
     def __init__(self, parent=None, margin=0, spacing=12):
         super(flowLayout, self).__init__(parent)
 
@@ -12,46 +16,57 @@ class flowLayout(QLayout):
         self.itemList = []
 
     def __del__(self):
+        # Delete layout call
         item = self.takeAt(0)
         while item:
             item = self.takeAt(0)
 
     def addItem(self, item):
+        # add item to layout
         self.itemList.append(item)
 
     def count(self):
+        # return a list of items
         return len(self.itemList)
 
     def itemAt(self, index):
+        # return item at index
         if index >= 0 and index < len(self.itemList):
             return self.itemList[index]
 
         return None
 
     def takeAt(self, index):
+        # pop item at index
         if index >= 0 and index < len(self.itemList):
             return self.itemList.pop(index)
 
         return None
 
     def expandingDirections(self):
+        # define orientation
         return Qt.Orientations(Qt.Orientation(0))
 
     def hasHeightForWidth(self):
+        # height for width flag, height value for a particular width
         return True
 
     def heightForWidth(self, width):
+        # returns the height for a given width
         height = self.doLayout(QRect(0, 0, width, 0), True)
         return height
 
     def setGeometry(self, rect):
+        # change layout geometry
         super(flowLayout, self).setGeometry(rect)
         self.doLayout(rect, False)
         
     def sizeHint(self):
+        # returns the expected size
         return self.minimumSize()
 
     def minimumSize(self):
+        # calucalate minimum possible size below which, resize is impossible
         size = QSize()
 
         for item in self.itemList:
@@ -63,6 +78,7 @@ class flowLayout(QLayout):
         return size
 
     def doLayout(self, rect, testOnly):
+        # build layout, testOnly defines if the geometry needs to be changed or not
         x = rect.x()
         y = rect.y()
         lineHeight = 0