QScrollBar: custom slider's size ?

[deweyjew]

hi:
How to resize slider in QScrollBar manually ?

thanks!

[guilugi]

Hi,

You have to subclass a QStyle object, and change some Pixel Metric settings for your slider.
Here, you have a list of parameters that can be tuneds :
http://doc.trolltech.com/4.1/qstyle....xelMetric-enum

In your custom style class, you have to reimplement those values in this method :

int myStyle::pixelMetric(PixelMetric metric,
                                const QStyleOption *option,
                                const QWidget *widget) const
{
	switch (metric) 
	{
    	    case PM_SliderLength :
        	return 20; // Here, just put the length you want
               ....
               ....
        }

int myStyle::pixelMetric(PixelMetric metric,
                                const QStyleOption *option,
                                const QWidget *widget) const
{
	switch (metric) 
	{
    	    case PM_SliderLength :
        	return 20; // Here, just put the length you want
               ....
               ....
        }

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You can check the styles example in the docs

Guilugi.