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1 

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QGraphicObject

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澶存枃浠讹細

 

class

 

myButton

 

:

 

public

 

QGraphicsObject

 

{ 

     

Q_OBJECT

 

public

: 

    

myButton

(

int

 

,

int

,

QString

 

,

QString

 

,

class

 

MainWindow

 

*); 

    

QRectF

 

boundingRect

()

 

const

; 

    

void

 

paint

(

QPainter

 

*,

 

const

 

QStyleOptionGraphicsItem

 

*,

 

QWidget

 

*); 

protected

: 

    

void

 

hoverEnterEvent

 

(

 

QGraphicsSceneHoverEvent

 

*)

 

; 

    

void

 

hoverLeaveEvent

 

(

 

QGraphicsSceneHoverEvent

 

*)

 

; 

    

void

 

mousePressEvent

 

(

 

QGraphicsSceneMouseEvent

 

*); 

private

: 

    

QPixmap

 

pix

; 

    

QString

 

img

; 

    

QString

 

hoverImg

; 

    

class

 

MainWindow

 

*

 

m

; 

Phonon

::

MediaObject

 

*

clickMic

; 

signals

: 

      

void

 

clickSig(); 

}; 

 

 

婧愭枃浠讹細

 

myButton

::

myButton

(

int

 

x,

int

 

y,

QString

 

img,

QString

 

hoverImg,

class

 

MainWindow

 

*

 m

){ 

    

this

->

img

=img; 

    

this

->

hoverImg

=hoverImg; 

    

pix

.load(img); 

    

setPos(x-

pix

.width()/

2

,y-

pix

.height()/

2

); 

    

this

->

m

=

m

; 

    

setFlags(

QGraphicsItem

::

ItemIsFocusable

); 

    

setFlags(

QGraphicsItem

::

ItemIsMovable

); 

    

setAcceptHoverEvents(

true

); 

    

clickMic

=

Phonon

::createPlayer(

Phonon

::

MusicCategory

,

 

Phonon

::

MediaSource

(

":/sound/click.mp3"

)); 

}