copy/paste selection support in piano roll

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1855 0778d3d1-df1d-0410-868b-ea421aaaa00d

TODO

@@ -51,6 +51,7 @@
 - add FLAC as export-format?
 
 Andrew Kelley's todo:
+- when you draw a note, if there's a selection it should clear it
 - piano roll, copy and paste notes 
 - remove the move tool, it's irrelevant now
 - holding control and shift shouldn't bring up the automation window
@@ -59,12 +60,15 @@ Andrew Kelley's todo:
 - moving a group of notes shouldn't crunch them together if brought to boundary conditions
 - moving a group with an unquantized note will quantize that note when you move the selection (this is bad)
 - undo/redo for piano roll
+- when you clone a track in the song editor, rename the track so that it doesn't have the same name (increment the number if necessary)
 - doing actions on the piano roll when LMMS doesn't have focus is glitchy
-
+- somehow enable easy pattern copy pasting in the beat+bassline editor
 - make knobs easier to tune (less sensitive)
-
+- make copy/paste work beyond inside piano roll - it didn't work when I copied notes from one pattern and then opened another pattern and pasted.
 - make it so you can see the notes when putting a pattern in the playlist
 - make the menu for a channel happen when you right click, instead of renaming, and make the midi input a top-level menu item
 - segfault on quit
 - recording automation
 - dragging a note below the automation level messes up dragging it's weird and glitchy fix it
+- adding/removing steps to the beat+bassline editor is awkward
+- the 'add beat+bassline' button in the beat+bassline editor is misleading - I say we remove it and rely on the song editor to add beat+basslines