gistfile1.lua

local function controlModifierIsActive()
    return controlKeyIsHeldDown() and optionKeyIsNotHeldDown() and commandKeyIsNotHeldDown()
end

local function optionModifierIsActive()
    return optionKeyIsHeldDown() and controlKeyIsNotHeldDown() and commandKeyIsNotHeldDown()
end

local function commandModifierIsActive()
    return commandKeyIsHeldDown() and optionKeyIsNotHeldDown() and controlKeyIsNotHeldDown()
end

local function controlKeyIsHeldDown()
    return gfx.mouse_cap & 32 == 32 
end

local function optionKeyIsHeldDown()
    return gfx.mouse_cap & 16 == 16
end

local function commandKeyIsHeldDown()
    return gfx.mouse_cap & 4 == 4
end

local function controlKeyIsNotHeldDown()
    return gfx.mouse_cap & 32 ~= 32
end

local function optionKeyIsNotHeldDown()
    return gfx.mouse_cap & 16 ~= 16
end

local function commandKeyIsNotHeldDown()
    return gfx.mouse_cap & 4 ~= 4
end