template-carousel-mobile/0066-copy_button

copy_button = function(x, y, r)
	local w = App.width('copy')+10
	local x2, y2 = maybe_draw_overflow_button(x, y, w, r)
	if Overflow_button then
		-- overflow
		if not Show_overflow then
			return x, y
		else
			y = y2
		end
	end
	button(Global_state, 'copy', {x=x, y=y, w=w, h=Line_height, bg={r=0.6, g=0.8, b=0.6},
		icon = function(p)
			App.color(Normal_color)
			love.graphics.rectangle('line', p.x,p.y, p.w,p.h, 2,2)
			love.graphics.print('copy', p.x+5,p.y+2)
		end,
		onpress1 = function()
			local e = Current_pane.editor_state
			local s = Text.selection(e)
			if s == nil then
				-- nothing selected? copy entire editor
				-- workaround while we have no way to save to file
				e.selection1 = {line=1, pos=1}
				e.cursor1 = {line=#e.lines, pos=utf8.len(e.lines[#e.lines].data)+1}
				s = Text.selection(e)
			end
			App.set_clipboard(s)
		end,
	})
	if Overflow_button then
		return x, y+Line_height
	else
		return x+w+10, y
	end
end