undoable edits for normal component settings; TODO: merge small edits

2 files changed, 13 insertions, 1 deletions

diff --git a/src/toolkit/common.py b/src/toolkit/common.py
index eba57d9..51ad023 100644
--- a/src/toolkit/common.py
+++ b/src/toolkit/common.py
@@ -9,6 +9,18 @@ import subprocess
 from collections import OrderedDict
 
 
+class blockSignals:
+    '''A context manager to temporarily block a Qt widget from updating'''
+    def __init__(self, widget):
+        self.widget = widget
+
+    def __enter__(self):
+        self.widget.blockSignals(True)
+
+    def __exit__(self, *args):
+        self.widget.blockSignals(False)
+
+
 def badName(name):
     '''Returns whether a name contains non-alphanumeric chars'''
     return any([letter in string.punctuation for letter in name])
diff --git a/src/toolkit/frame.py b/src/toolkit/frame.py
index ad8537c..2104978 100644
--- a/src/toolkit/frame.py
+++ b/src/toolkit/frame.py
@@ -98,7 +98,7 @@ def Checkerboard(width, height):
     log.debug('Creating new %s*%s checkerboard' % (width, height))
     image = FloodFrame(1920, 1080, (0, 0, 0, 0))
     image.paste(Image.open(
-        os.path.join(core.Core.wd, "background.png")),
+        os.path.join(core.Core.wd, 'gui', "background.png")),
         (0, 0)
     )
     image = image.resize((width, height))