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diff framework/Document.cpp @ 61:215b8b1b0308

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* Add Erase tool and mode * Add icons for Normalize buttons in property boxes, and for Show Peaks * Add support for velocity in notes -- not yet reflected in display or editable in the note edit dialog, but they are imported from MIDI, played, and exported * Begin work on making pastes align pasted times (subtler than I thought)
author Chris Cannam
date Fri, 23 Nov 2007 16:48:23 +0000
parents 621c2edd1693
children b6605be1a2d1
line wrap: on
line diff
--- a/framework/Document.cpp	Thu Nov 22 14:17:19 2007 +0000
+++ b/framework/Document.cpp	Fri Nov 23 16:48:23 2007 +0000
@@ -157,6 +157,8 @@
 Layer *
 Document::createEmptyLayer(LayerFactory::LayerType type)
 {
+    if (!m_mainModel) return 0;
+
     Model *newModel =
 	LayerFactory::getInstance()->createEmptyModel(type, m_mainModel);
     if (!newModel) return 0;