Event Mouse in detail (2)

event.isMiddleButtonDown

ប្រើសំរាប់បង្ហាញបើសិនជា mouse’s middle button was held down at the time the mouse event បានកើតឡើង។ សំរាប់ android devices older than v4 do not support the middle mouse button

សូមមើលកូដះ

-- Called when a mouse event has been received.

local function onMouseEvent( event )

    if event.isMiddleButtonDown then

        -- The mouse's middle button is currently pressed down.

    else

        -- The mouse's middle button is not being pressed.

    end

end

-- Add the mouse event listener.

Runtime:addEventListener( "mouse", onMouseEvent )

event.name

ជា String “mouse”

event.time

វាជា time this mouse event ដែលកើតឡើងនៅក្នុង milliseconds ចាប់តាំងពីកម្មវិធីចាប់ផ្តើម

សូមមើលកូដះ

-- Called when a mouse event has been received.

local function onMouseEvent( event )

    -- Print the mouse event's timestamp to the log.

    local message = "Mouse Event Timestamp = " .. tostring(event.time)

    print( message )

end

-- Add the mouse event listener.

Runtime:addEventListener( "mouse", onMouseEvent )

event.x

ប្រើសំរាប់ mouse cursor’s current x position on screen in content coordinates

សូមមើលកូដះ

-- Called when a mouse event has been received.

local function onMouseEvent( event )

    -- Print the mouse cursor's current position to the log.

    local message = "Mouse Position = (" .. tostring(event.x) .. "," .. tostring(event.y) .. ")"

    print( message )

end

-- Add the mouse event listener.

Runtime:addEventListener( "mouse", onMouseEvent )

event.y

ប្រើសំរាប់ mouse cursor’s current y position នៅលើអេក្រង់នៅក្នុង content coordinates

សូមមើលកូដះ

-- Called when a mouse event has been received.

local function onMouseEvent( event )

    -- Print the mouse cursor's current position to the log.

    local message = "Mouse Position = (" .. tostring(event.x) .. "," .. tostring(event.y) .. ")"

    print( message )

end

-- Add the mouse event listener.

Runtime:addEventListener( "mouse", onMouseEvent )