GUI checklist

[jpcima]

• [ ] main screen top row with toggle buttons
• [x] main screen bottom row with intervals
• [ ] value tooltips
• [x] tap multiple selection and highlighting
• [x] lasso selection
• [x] mini map
• [x] values as bars on mini map
• [ ] auto zoom
• [x] full range switch when tapping, and restore
• [x] appearance of taps when several overlap
• [ ] tap slider for width
• [ ] saving and recalling UI state
• [x] tapping should not cycle around
• [x] alignment of taps to grid (the UI logic)
• [x] display the low dB slider value as "-inf dB"
• [x] icons for small buttons (flip, mute, enable, etc...)
• [x] add "flip" button
• [x] reference horizontal for zero gain, pan center, etc..
• [ ] inverted slider for pan on main screen
• [x] mouse-wheelable combo boxes
• [ ] tap sliders snap on round values
• [x] indicator labels of time range min and max
• [x] click on intervals row to add tap
• [x] edit LNF such that combo-box centered text is centered based on the full-width

maybe

• [x] tapping for the first time clears existing taps
• [x] tapping resets the parameters of the new tap to defaults