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mouse 1 or 2 (hold & drag) - drag canvas
mouse 2 - change background color of canvas
mouse 3 - change hover color
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arrow left - rotate left
arrow right - rotate right
arrow up - increase rotation amount
arrow down - decrease rotation amount
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ctrl - reset rotation amount
shift - reset rotation
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enter - cycle cursor
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backslash (\) - show/hide all variable text
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space - show/hide window
backspace - cycle window color
bracket left ([) - decrease window size
bracket right (]) - increase window size
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equals (=) - partially fill grid (black)
dash (-) - partially fill grid (white)
zero (0) - partially fill grid (same random color)
nine (9) - partially fill grid (different random color)
eight (8) - partially fill grid (individually random colors)
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forward slash (/) - fill grid (black)
period (.) - fill grid (white)
comma (,) - fill grid (same random color)
m - fill grid (different random color)
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quotation (') - change hover color to black
semicolon (;) - change hover color to white
l - change hover color to current random hover color (not working)
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z - unlocks canvas (on hold)
x - locks/unlocks canvas (on press)
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h - help menu (not added yet)
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