Adding support for ctrl+backspace in searchbars

gui/utils/helpers_wxPython.py

@@ -6,3 +6,23 @@ def YesNoDialog(question='Are you sure you want to do this?', caption='Yes or no
     result = dlg.ShowModal() == wx.ID_YES
     dlg.Destroy()
     return result
+
+
+def HandleCtrlBackspace(textControl):
+    """
+    Handles the behavior of Windows ctrl+space
+    deletes everything from the cursor to the left,
+    up to the next whitespace.
+    """
+    curPos = textControl.GetInsertionPoint()
+    searchText = textControl.GetValue()
+    foundChar = False
+    for startIndex in range(curPos, -1, -1):
+        if startIndex - 1 < 0:
+            break
+        if searchText[startIndex - 1] != " ":
+            foundChar = True
+        elif foundChar:
+            break
+    textControl.Remove(startIndex, curPos)
+    textControl.SetInsertionPoint(startIndex)