QTableViewExample.zip

#include "customitemdelegate.h" customItemDelegate::customItemDelegate(QObject* parent): QStyledItemDelegate(parent) , itemButton1(new ItemButton("play")) , itemButton2(new ItemButton("cancle")) , itemButton3(new ItemButton("folder")) , itemProgressBar(new ItemProgressBar()) { connect(this, SIGNAL(signals1( const QModelIndex&)), this, SLOT(showMessage1( const QModelIndex&))); connect(this, SIGNAL(signals2( const QModelIndex&)), this, SLOT(showMessage2( const QModelIndex&))); connect(this, SIGNAL(signals3( const QModelIndex&)), this, SLOT(showMessage3( const QModelIndex&))); } void customItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const { QStyleOptionViewItem viewOption(option); initStyleOption(&viewOption, index); if (option.state.testFlag(QStyle::State_HasFocus)) viewOption.state = viewOption.state ^ QStyle::State_HasFocus; switch(index.column()) { case customTableView::NameRole: // 0 名称 { } break; case customTableView::InfoRole_1: // 1 [已下载大小/]总大小 { viewOption.displayAlignment = Qt::AlignCenter; } break; case customTableView::InfoRole_2: // 2 [下载速度] { viewOption.displayAlignment = Qt::AlignCenter; } break; case customTableView::InfoRole_3: // 3 下载进度 { itemProgressBar->paintQProgressBar(painter, option, index); viewOption.text = ""; } break; case customTableView::OperatorRole_1:// 4 { itemButton1->paintButton(painter, option, mousePos); } break; case customTableView::OperatorRole_2:// 5 { itemButton2->paintButton(painter, option, mousePos); } break; case customTableView::OperatorRole_3:// 6 { itemButton3->paintButton(painter, option, mousePos); } break; default: { } } QStyledItemDelegate::paint(painter, viewOption, index); } QSize customItemDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const { switch(index.column()) { case customTableView::NameRole: // 0 名称 case customTableView::InfoRole_1: // 1 [(]已下载大小/]总大小 case customTableView::InfoRole_2: // 2 [下载速度] { return QSize(100, 30); } break; case customTableView::InfoRole_3: // 3 下载进度 { return QSize(200, 30); } break; case customTableView::OperatorRole_1:// 4 case customTableView::OperatorRole_2:// 5 case customTableView::OperatorRole_3:// 6 { return QSize(50, 30); } break; } return QStyledItemDelegate::sizeHint(option, index); } bool customItemDelegate::editorEvent(QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& index) { QMouseEvent* pEvent = static_cast<QMouseEvent*> (event); mousePos = pEvent->pos(); if (ItemButton::withinButtonRegion(mousePos, option)) { switch (event->type()) { case QEvent::MouseMove: { switch(index.column()) { case customTableView::OperatorRole_1:// 4 { itemButton1->setStatusHover(); } break; case customTableView::OperatorRole_2:// 5 { itemButton2->setStatusHover(); } break; case customTableView::OperatorRole_3:// 6 { itemButton3->setStatusHover(); } break; } return true; } break; case QEvent::MouseButtonPress: { switch(index.column()) { case customTableView::OperatorRole_1:// 4 { itemButton1->setStatusPressed(); } break; case customTableView::OperatorRole_2:// 5 { itemButton2->setStatusPressed(); } break; case customTableView::OperatorRole_3:// 6 { itemButton3->setStatusPressed(); } break; } return false; } break; case QEvent::MouseButtonRelease: { switch(index.column()) { case customTableView::OperatorRole_1:// 4 { itemButton1->setStatusReleased(); emit signals1(index); } break; case customTableView::OperatorRole_2:// 5 { itemButton2->setStatusReleased(); emit signals2(index); } break; case customTableView::OperatorRole_3:// 6 { itemButton3->setStatusReleased(); emit signals3(index); } break; } return true; } break; default: { switch(index.column()) { case customTableView::OperatorRole_1:// 4 { itemButton1->setStatusNone(); } break; case customTableView::OperatorRole_2:// 5 { itemButton2->setStatusNone(); } break; case customTableView::OperatorRole_3:// 6 { itemButton3->setStatusNone(); } break; } QStyledItemDelegate::editorEvent(event, model, option, index); return false; } break; } } else { switch(index.column()) { case customTableView::OperatorRole_1:// 4 { itemButton1->setStatusNone(); } break; case customTableView::OperatorRole_2:// 5 { itemButton2->setStatusNone(); } break; case customTableView::OperatorRole_3:// 6 {