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Developer
Posts: 145
Registered: ‎12-23-2012
My Device: BB10 Dev Alpha
My Carrier: wifi
Accepted Solution

Problem while using slider

Hi,

 

I am trying to use Slider cascade qml component.

 

I realized , when user drag the slider if emit the onValueChanged signal.

It also emit onValueChanged signal if i set value manually.

 

Is there a way to not emit onValueChanged signal when changing value manually ?

 

Thanks and regards

Developer
Posts: 1,524
Registered: ‎12-18-2012
My Device: Z30, Z10 LE, DevAlpha C, PlayBook

Re: Problem while using slider

Hi! Try

 

slider->blockSignals(true);

...modify the value...

slider->blockSignals(false);

 

or disconnect then reconnect the signal.

 


Andrey Fidrya, @zmeyc on twitter
Developer
Posts: 145
Registered: ‎12-23-2012
My Device: BB10 Dev Alpha
My Carrier: wifi

Re: Problem while using slider


Hi,

 

Thanks for quick response.

 

Same can be done with QML as well ?

 

Developer
Posts: 145
Registered: ‎12-23-2012
My Device: BB10 Dev Alpha
My Carrier: wifi

Re: Problem while using slider

I did someting like following

 

sliderProgressBar.valueChanged.disconnect(sliderProgressBar.onValueChanged);

 

....

 

sliderProgressBar.valueChanged.connect(sliderProgressBar.onValueChanged);

 

seems to works fine.

 

Thaks for your help

Trusted Contributor
Posts: 146
Registered: ‎03-22-2010
My Device: Not Specified

Re: Problem while using slider

can you please post exact code

 

 i have written   playerSlider.valueChanged.connect(playerSlider.onValueChanged)   but getting Unknown member 'onValueChanged'