原文地址::https://www.oschina.net/code/snippet_96486_4133
相关文章
1、初学Qt——QTableView+QSqlqueryModel----https://blog.csdn.net/qq_31117007/article/details/51169817
2. [文件] test.zip ~ 23KB 下载(813)
3. [文件] main.cpp ~ 273B 下载(146)
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/**
* @file main.cpp
* @brief
* @author xiangxw
* @version 0.0
* @date 2011年04月30日
*/
#include<QApplication>
#include"MyTableView.h"
int
main(
int
argc,
char
*argv[])
{
QApplication app(argc,argv);
MyTableView table;
table.show();
return
app.exec();
}
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4. [文件] MyTableView.h ~ 1KB 下载(100)
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/**
* @file MyTableView.h
* @brief
* @author xiangxw
* @version 0.0
* @date 2011年04月30日
*/
#ifndef MYTABLEVIEW_H
#define MYTABLEVIEW_H
#include<QTableView>
#include<QItemDelegate>
#include<QStandardItemModel>
#include<QPixmap>
class
MyTableView;
class
MyItemDelegate;
class
MyStandardItemModel;
class
MyTableView:
public
QTableView
{
public
:
MyTableView(QWidget * parent=0);
virtual
~ MyTableView(){}
protected
:
void
mouseMoveEvent(QMouseEvent * event);
private
:
MyItemDelegate * delegate;
MyStandardItemModel * model;
};
class
MyItemDelegate:
public
QItemDelegate
{
public
:
MyItemDelegate(QObject * parent=0);
virtual
~ MyItemDelegate(){}
void
paint(QPainter * painter,
const
QStyleOptionViewItem & option,
const
QModelIndex & index)
const
;
bool
editorEvent(QEvent * event,
QAbstractItemModel * model,
const
QStyleOptionViewItem & option,
const
QModelIndex & index);
private
:
QPixmap favouritePixmap;
QPixmap notFavouritePixmap;
};
class
MyStandardItemModel:
public
QStandardItemModel
{
public
:
MyStandardItemModel(QObject * parent=0)
:QStandardItemModel(parent){}
virtual
~ MyStandardItemModel(){}
QVariant data(
const
QModelIndex & index,
int
role=Qt::DisplayRole)
const
;
QVariant headerData(
int
section,
Qt::Orientation orientation,
int
role=Qt::DisplayRole)
const
;
};
#endif
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5. [文件] MyTableView.cpp ~ 3KB 下载(126) 跳至 [3] [4] [5] [全屏预览]
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/**
* @file MyTableView.cpp
* @brief
* @author xiangxw
* @version 0.0
* @date 2011年04月30日
*/
#include<QPainter>
#include<QMouseEvent>
#include"MyTableView.h"
#ifndef NDEBUG
#include<QDebug>
#endif
MyTableView::MyTableView(QWidget * parent)
:QTableView(parent)
{
delegate=
new
MyItemDelegate;
model=
new
MyStandardItemModel;
model->setRowCount(6);
model->setColumnCount(8);
this
->setModel(model);
this
->setItemDelegate(delegate);
this
->resizeColumnsToContents();
this
->resizeRowsToContents();
this
->setEditTriggers(QAbstractItemView::NoEditTriggers);
this
->setSelectionBehavior(QAbstractItemView::SelectRows);
this
->setMouseTracking(
true
);
//important
}
void
MyTableView::mouseMoveEvent(QMouseEvent * event)
{
int
column=
this
->columnAt(event->x());
int
row=
this
->rowAt(event->y());
if
(column==0 && row!=-1){
this
->setCursor(Qt::PointingHandCursor);
}
else
{
this
->setCursor(Qt::ArrowCursor);
}
}
MyItemDelegate::MyItemDelegate(QObject * parent)
:QItemDelegate(parent)
{
favouritePixmap=QPixmap(
":/favourite.png"
);
notFavouritePixmap=QPixmap(
":/no-favourite.png"
);
}
void
MyItemDelegate::paint(QPainter * painter,
const
QStyleOptionViewItem & option,
const
QModelIndex & index)
const
{
if
(index.column()!=0){
QItemDelegate::paint(painter,option,index);
return
;
}
const
QAbstractItemModel * model=index.model();
QVariant var=model->data(index,Qt::CheckStateRole);
if
(var.isNull()) var=
false
;
const
QPixmap & star=var.toBool()?
favouritePixmap:notFavouritePixmap;
int
width=star.width();
int
height=star.height();
QRect rect=option.rect;
int
x=rect.x()+rect.width()/2-width/2;
int
y=rect.y()+rect.height()/2-height/2;
painter->drawPixmap(x,y,star);
}
bool
MyItemDelegate::editorEvent(QEvent * event,
QAbstractItemModel * model,
const
QStyleOptionViewItem &
/*option*/
,
const
QModelIndex & index)
{
if
(event->type()==QEvent::MouseButtonPress &&
index.column()==0){
QVariant var=model->data(index,Qt::CheckStateRole);
bool
isFavourite=var.toBool();
if
(var.isValid())
isFavourite=isFavourite?
false
:
true
;
else
isFavourite=
true
;
model->setData(index,isFavourite,Qt::CheckStateRole);
return
true
;
//I have handled the event
}
return
false
;
}
QVariant MyStandardItemModel::data(
const
QModelIndex & index,
int
role)
const
{
int
column=index.column();
if
(role==Qt::DisplayRole && column!=0)
return
column+1;
if
(role==Qt::ToolTipRole && column==0)
return
tr(
"love"
);
return
QStandardItemModel::data(index,role);
}
QVariant MyStandardItemModel::headerData(
int
section,
Qt::Orientation orientation,
int
role)
const
{
if
(section==0 && orientation==Qt::Horizontal){
if
(role==Qt::DecorationRole)
return
QIcon(
":/favourite.png"
);
if
(role==Qt::DisplayRole)
return
""
;
if
(role==Qt::ToolTipRole)
return
tr(
"love"
);
}
return
QStandardItemModel::headerData(section,orientation,role);
}
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