Added global playback support. Press space to play/pause from any window in LMMS.

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1993 0778d3d1-df1d-0410-868b-ea421aaaa00d

TODO

@@ -52,15 +52,17 @@
 - add FLAC as export-format?
 
 Andrew Kelley's todo:
+- pencil tool icon doesn't set right. selection arrow cursor doesn't set right
+- bug: you can use shift+left to move notes past the beginning
 - add a Modulator class and a Humanizer tool to the piano roll
 - global playback buttons, like in FL Studio
 - when you add VSTi, have it automatically pop the find VST plugin dialog
-- bug: you can use shift+left to move notes past the beginning
 - make pitch bend range adjustable
 - monophonic mode on 3xosc
-- integrate pitanga's patch
 - add dithering
-
+- add global playback mode to .mmp file format
+- when a song goes past the end of the song, make it stop or loop
+- allow increasing the width of song editor things, it will make the BB repeat
 - when looking at a piano roll, if the song is playing that pattern, move the position ticker to where it should be
 - multiview button - show notes from every instrument in the current beat+bassline with different colors
 - undo/redo for piano roll