Qt-在表格(QTableView)中插入图片
[文件] main.cpp ~ 273B 下载(10)/*** @file main.cpp* @brief * @author xiangxw* @version 0.0* @date 2011年月日*/ #include<QApplication>#include"MyTableView.h"int main(int argc,char *argv[]){QApplication app(argc,argv);MyTableView table;table.show();return app.exec();}?
?
[文件] MyTableView.h ~ 1KB 下载(10)/*** @file MyTableView.h* @brief * @author xiangxw* @version 0.0* @date 2011年月日*/#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?
?
[文件] MyTableView.cpp ~ 3KB 下载(16)/*** @file MyTableView.cpp* @brief * @author xiangxw* @version 0.0* @date 2011年月日*/#include<QPainter>#include<QMouseEvent>#include"MyTableView.h"#ifndef NDEBUG#include<QDebug>#endifMyTableView::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;elseisFavourite=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);}??
转：http://www.oschina.net/code/snippet_96486_4133