This is the code

 # # ifndef DELETETOOLBUTTONDELEGATE_H 
# define DELETETOOLBUTTONDELEGATE_H 

# include & lt; QObject> 
# include & lt; QWidget> 
# include & lt; QItemDelegate> 
# include & lt; QMap> 
# include & lt; QStyleOptionButton> 
# include & lt; QModelIndex> 

The class DeleteToolButtonDelegate: public QItemDelegate 
{
Q_OBJECT 
Public: 
DeleteToolButtonDelegate (parent QObject *=0); 

//custom broker component must inherit the following four function 
//create edit component 
QWidget * createEditor (QWidget * parent, const QStyleOptionViewItem & amp; Option, 
Const QModelIndex & amp; The index) const Q_DECL_OVERRIDE; 
//get data from the data model, show to the agent component 
Void setEditorData (QWidget * editor, const QModelIndex & amp; The index) const Q_DECL_OVERRIDE; 
//the broker component data, save the data model 
Void setModelData (QWidget * editor, QAbstractItemModel * model, 
Const QModelIndex & amp; The index) const Q_DECL_OVERRIDE; 
//update agent edit component size 
Void updateEditorGeometry (QWidget * editor, const QStyleOptionViewItem & amp; Option, 
Const QModelIndex & amp; The index) const Q_DECL_OVERRIDE; 

Void paint (QPainter * painter, const QStyleOptionViewItem & amp; Option, 
Const QModelIndex & amp; The index) const Q_DECL_OVERRIDE; 
Private: 
QMap
Signals: 
Void deleteCommodityData () const; 
}; 

# endif//DELETETOOLBUTTONDELEGATE_H 

 
Void DeleteToolButtonDelegate: : paint (QPainter * painter, const QStyleOptionViewItem & amp; Option, const QModelIndex & amp; Const index) 
{


QStyleOptionButton * button=m_btns. Value (index); 

if (! Button) {
The button=new QStyleOptionButton (); 
The button - & gt; The rect=option. The rect. Adjusted (0, 0, 0, 0); 
//button - & gt; The rect=QRect (option. The rect. Left (), the option. The rect. The top (), the option. The rect. The width (), the option. The rect. Height ()); 
//button - & gt; Text="X"; 
The button - & gt; The state |=QStyle: : State_Enabled; 
The button - & gt; Icon=QIcon (" :/Image/sc. The PNG "); 
The button - & gt; IconSize=QSize (option. The rect. Width (), the option. The rect. Height ()); 

(const_cast & lt; DeleteToolButtonDelegate * & gt; (this)) - & gt; M_btns. Insert (index, button); 
} 
Painter - & gt; Save (); 

If (option. The state & amp; QStyle: : State_Selected) {//highlighting selected 
Painter - & gt; FillRect (option. The rect option. The palette. Highlight ()); 

} 
Painter - & gt; Restore (); 
QApplication: : style () - & gt; DrawControl (QStyle: : CE_PushButton, button, painter); 
} 

CodePudding user response:

CodePudding user response:

Is to remove the small icon, not with sliding block movement

CodePudding user response:

Thank you?? ,,