change icons on messageboxes to info rather than warning

csgui/messageBox.py

@@ -25,7 +25,7 @@ class UnreadableMessageBox(QMessageBox):
     def __init__(self, fileName):
         super().__init__()
 
-        self.setIcon(QMessageBox.Warning)
+        self.setIcon(QMessageBox.Information)
         self.setWindowTitle(f"File \"{fileName}\" cannot be opened")
         self.setText("The file you have selected cannot be opened.")
         self.setInformativeText("Please make sure it is in the right format.")
@@ -41,7 +41,7 @@ class ChordNameWarningMessageBox(QMessageBox):
     def __init__(self):
         super().__init__()
 
-        self.setIcon(QMessageBox.Warning)
+        self.setIcon(QMessageBox.Information)
         self.setWindowTitle("Unnamed chord")
         self.setText("Chords must have a name.")
         self.setInformativeText("Please give your chord a name and try again.")
@@ -57,7 +57,7 @@ class SectionNameWarningMessageBox(QMessageBox):
     def __init__(self):
         super().__init__()
 
-        self.setIcon(QMessageBox.Warning)
+        self.setIcon(QMessageBox.Information)
         self.setWindowTitle("Unnamed section")
         self.setText("Sections must have a unique name.")
         self.setInformativeText(
@@ -74,7 +74,7 @@ class BlockMustHaveSectionWarningMessageBox(QMessageBox):
     def __init__(self):
         super().__init__()
 
-        self.setIcon(QMessageBox.Warning)
+        self.setIcon(QMessageBox.Information)
         self.setWindowTitle("No sections found")
         self.setText("Each block must belong to a section, but no sections have yet been created.")
         self.setInformativeText(
@@ -91,7 +91,7 @@ class VoicingWarningMessageBox(QMessageBox):
     def __init__(self):
         super().__init__()
 
-        self.setIcon(QMessageBox.Warning)
+        self.setIcon(QMessageBox.Information)
         self.setWindowTitle("Malformed voicing")
         self.setText(
             "The voicing you entered was not understood and has not been applied.")
@@ -109,7 +109,7 @@ class LengthWarningMessageBox(QMessageBox):
     def __init__(self):
         super().__init__()
 
-        self.setIcon(QMessageBox.Warning)
+        self.setIcon(QMessageBox.Information)
         self.setWindowTitle("Block without valid length")
         self.setText("Blocks must have a length.")
         self.setInformativeText(