c++ - Qt TableWidget - The image that appears when you click the cell -


i use qtablewidget 2 columns. first column display images. second column display text. i'm calling qbrush::settexture on first column, not seticon function.

i want first column images change when click on cell there problem image appears when click cell.

this image expect:
this image expect

this image get:
this image get

here code

.h file

class kcbackgrounddelegate : public qstyleditemdelegate { public: explicit kcbackgrounddelegate(qobject *parent = 0)        : qstyleditemdelegate(parent)    {     }     void paint(qpainter *painter, const qstyleoptionviewitem &option,               const qmodelindex &index) const    {         qvariant background = index.data(qt::backgroundrole);         if (background.canconvert<qbrush>())            painter->fillrect(option.rect, background.value<qbrush>());          qstyleditemdelegate::paint(painter, option, index);         if(option.state & qstyle::state_mouseover)        {            if(index.column() == 0 )            {                painter->save();                painter->fillrect(option.rect,qbrush(qpixmap(":/resources/img/system/setting_aircraft_on_bt.png")));                painter->restore();            }        }         if(option.state & qstyle::state_selected)        {            if(index.column() == 0)            {                painter->save();                painter->fillrect(option.rect,qbrush(qpixmap(":/resources/img/system/setting_aircraft_click_bt.png")));                painter->restore();            }        }    } };

.cpp file

ui->tw_aircraft_type->setitemdelegateforcolumn(0,new kcbackgrounddelegate(this)); ui->tw_aircraft_type->setmousetracking(true); ui->tw_aircraft_type->viewport()->setmousetracking(true); ui->tw_aircraft_type->installeventfilter(this); ui->tw_aircraft_type->viewport()->installeventfilter(this);

it seems there problem delegate don't know how fix it. please me.


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