Global hotkeys:
<Ctrl> -/+				Decrease/increase brush size height and width
<Ctrl> <Shift> -/+			Decrease/increase canvas size height and width
<Ctrl> 0-9				Set foreground colour to #0-9
<Ctrl> <Shift> 0-5, 6			Set foreground colour to #10-15 or transparent colour, resp.
<Ctrl> <Alt> 0-9			Set background colour to #0-9
<Ctrl> <Alt> <Shift> 0-5, 6		Set background colour to #10-15 or transparent colour, resp.
<Ctrl> C, U, E, F, L, P, R, E, T	Switch to circle, cursor, erase, fill, line, pick colour, rectangle, object, text tool
<Ctrl> I				Flip colours
<Ctrl> N				New canvas
<Ctrl> O				Open mIRC art file
<Ctrl> S				Save canvas as mIRC art file
<Ctrl> X				Exit
<Ctrl> Y, Z				Redo, undo last action
<Shift> <Pause>				Break into Python debugger

Canvas hotkeys:
<Down>, <Left>, <Right>, <Up>		Move canvas cursor
<LMB>/<Space>				Apply current tool with foreground colour (with exceptions)
<RMB>					Apply current tool with background colour (with exceptions)

Tool-specific hotkeys:
(Circle, rectangle) <Ctrl> <LMB>/<RMB>	Initiate circle/rectangle dragging irrespective of brush size
(Erase) <RMB>				Erase background colour with foreground colour
(Fill) <Ctrl> <LMB>/<Space>/<RMB>	Fill entire region with foreground/background colour ignoring character cells
(Line, object) <LMB>/<Space>		Initiate line drawing/selection
(Object) <Ctrl> <LMB>			Move selection instead of cloning
(Pick colour) <LMB>/<Space>		Pick current cell's foreground colour
(Pick colour) <RMB>			Pick current cell's background colour
(Text) <Backspace>			Erase last cell and move backwards w/ wraparound
(Text) <Ctrl> V				Paste text from clipboard
(Text) <Enter>				Move to leftmost cell on next row w/ wraparound