Draw tempo lines on time canvas and connect them up all pretty-like to the ruler ticks.
Still needs some visual tweaking, but... they draw! Finally!
git-svn-id: svn://localhost/ardour2/trunk@2247 d708f5d6-7413-0410-9779-e7cbd77b26cf
Percussion tracks display diamonds.
Separated/fixed MIDI and audio mode menus.
CC automation modes: discrete, line.
Bar controllers follow setting (hard steps or line) on playback.
Sent CC data is always discrete (line not implemented yet).
Discrete tracks show no lines, and always show control points.
Separated ControlPoint from AutomationLine.
Added some basic information (range) to Parameter (to be fleshed out..).
git-svn-id: svn://localhost/ardour2/trunk@2123 d708f5d6-7413-0410-9779-e7cbd77b26cf
Fiddled with canvas theme a bit to make tempo more visible and probably annoy pure audio MIDI/tempo haters.
Fix track-specific-color display on mixer strips for MIDI tracks.
git-svn-id: svn://localhost/ardour2/trunk@2112 d708f5d6-7413-0410-9779-e7cbd77b26cf
