C++ QTableView::setStyleSheet方法代码示例

StatsQGroupBox *CreateWidgets::getStatsTableCompleteView() {
    if(CreateWidgets::statTableCompleteView != 0) {
       delete  CreateWidgets::statTableCompleteView;
       CreateWidgets::statTableCompleteView = 0;
    }

    if(CreateWidgets::statTableCompleteView == 0) {
        CreateWidgets::statTableCompleteView =  new StatsQGroupBox;
    }

    // create export button
    QPushButton *exportButton = new QPushButton("Export");
    exportButton->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
    // spacer next to the button
    QSpacerItem *spaceitem = new QSpacerItem(200, 20,QSizePolicy::Expanding, QSizePolicy::Maximum);

    //create the layout
    QHBoxLayout *hboxlayout = new QHBoxLayout;
    hboxlayout->addItem(spaceitem);
    hboxlayout->addWidget(exportButton);

    // create the export and spacer item holder groupbox
    QGroupBox *exportButtonBox = new QGroupBox();
    exportButtonBox->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum);
    exportButtonBox->setStyleSheet("QGroupBox{border:0px solid gray;border:0px;margin: 0ex;}");
    exportButtonBox->setLayout(hboxlayout);


    //create the table
    QTableView *statTableView = CreateWidgets::getStatsTableView();
    statTableView->setStyleSheet("QTableView{border:0px solid gray;border:0px;margin: 0ex;}");

    // create the entire layout to hold
    QVBoxLayout *vboxlayout = new QVBoxLayout;
    statTableView->setStyleSheet("QGroupBox{border:0px solid gray;border-radius:0px;margin-top: 0ex;}");

    vboxlayout->addWidget(statTableView);
    vboxlayout->addWidget(exportButtonBox);

    CreateWidgets::statTableCompleteView =  new StatsQGroupBox;
    CreateWidgets::statTableCompleteView->statsTableView =statTableView;
    CreateWidgets::statTableCompleteView->setLayout(vboxlayout);
    CreateWidgets::statTableCompleteView->setStyleSheet("QGroupBox{border:0px solid gray;border-radius:0px;margin-top: 0ex;}");

    connect(exportButton, SIGNAL(clicked()), CreateWidgets::statTableCompleteView, SLOT(exportTable()));
    return CreateWidgets::statTableCompleteView;
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    //QListView view;
    QTableView view;
    view.setSortingEnabled(false);
    view.horizontalHeader()->setStretchLastSection(true);
    view.horizontalHeader()->setVisible(false);
    view.verticalHeader()->setVisible(false);

    MillionRows model(Q_NULLPTR);

    view.setModel(&model);
    view.setAlternatingRowColors(true);
    view.setStyleSheet("alternate-background-color: green;background-color: white;");
    view.setItemDelegateForColumn(0, new TableStyleDelegate());

    view.resizeRowsToContents(); // impact performance - force call sizeHint
    view.show();

    return a.exec();
}

void PrintLayout::printTable()
{
	struct dive *dive;
	int done = 0; // percents done
	int i, row = 0, progress, total = estimateTotalDives();
	if (!total)
		return;

	// create and setup a table
	QTableView table;
	table.setAttribute(Qt::WA_DontShowOnScreen);
	table.setSelectionMode(QAbstractItemView::NoSelection);
	table.setFocusPolicy(Qt::NoFocus);
	table.horizontalHeader()->setVisible(false);
	table.verticalHeader()->setVisible(false);
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
	table.horizontalHeader()->setResizeMode(QHeaderView::Fixed);
	table.verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
#else
	table.horizontalHeader()->setSectionResizeMode(QHeaderView::Fixed);
	table.verticalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
#endif
	table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	// fit table to one page initially
	table.resize(scaledPageW, scaledPageH);

	// don't show border
	table.setStyleSheet(
		"QTableView { border: none }");

	// create and fill a table model
	TablePrintModel model;
	addTablePrintHeadingRow(&model, row); // add one heading row
	row++;
	progress = 0;
	for_each_dive(i, dive) {
		if (!dive->selected && printOptions->print_selected)
			continue;
		addTablePrintDataRow(&model, row, dive);
		row++;
		progress++;
		emit signalProgress((progress * 10) / total);
	}
	done = 10;
	table.setModel(&model); // set model to table
	// resize columns to percentages from page width
	int accW = 0;
	int cols = model.columns;
	int tableW = table.width();
	for (i = 0; i < model.columns; i++) {
		int pw = qCeil((qreal)(tablePrintColumnWidths.at(i) * table.width()) / 100.0);
		accW += pw;
		if (i == cols - 1 && accW > tableW) /* adjust last column */
			pw -= accW - tableW;
		table.horizontalHeader()->resizeSection(i, pw);
	}
	// reset the model at this point
	model.callReset();

	// a list of vertical offsets where pages begin and some helpers
	QList<unsigned int> pageIndexes;
	pageIndexes.append(0);

	/* the algorithm bellow processes the table rows in multiple passes,
	 * compensating for loss of space due to moving rows on a new page instead
	 * of truncating them.
	 * there is a 'passes' array defining how much percents of the total
	 * progress each will take. given, the first and last stage of this function
	 * use 10% each, then the sum of passes[] here should be 80%.
	 * two should be enough! */
	const int passes[] = { 70, 10 };
	int tableHeight = 0, lastAccIndex = 0, rowH, accH, headings;
	bool isHeading = false;

	for (unsigned int pass = 0; pass < sizeof(passes) / sizeof(passes[0]); pass++) {
		progress = headings = accH = 0;
		total = model.rows - lastAccIndex;
		for (i = lastAccIndex; i < model.rows; i++) {
			rowH = table.rowHeight(i);
			accH += rowH;
			if (isHeading) {
				headings += rowH;
				isHeading = false;
			}
			if (accH > scaledPageH) {
				lastAccIndex = i;
				pageIndexes.append(pageIndexes.last() + (accH - rowH));
				addTablePrintHeadingRow(&model, i);
				isHeading = true;
				accH = 0;
				i--;
			}
			tableHeight += table.rowHeight(i);
			progress++;
			emit signalProgress(done + (progress * passes[pass]) / total);
		}
		done += passes[pass];
	}
	done = 90;
//.........这里部分代码省略.........

/* we create a table that has a fixed height, but can stretch to fit certain width */
QTableView *PrintLayout::createProfileTable(ProfilePrintModel *model, const int tableW)
{
	// setup a new table
	QTableView *table = new QTableView();
	QHeaderView *vHeader = table->verticalHeader();
	QHeaderView *hHeader = table->horizontalHeader();
	table->setAttribute(Qt::WA_DontShowOnScreen);
	table->setSelectionMode(QAbstractItemView::NoSelection);
	table->setFocusPolicy(Qt::NoFocus);
	table->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	table->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	hHeader->setVisible(false);
	vHeader->setVisible(false);
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
	hHeader->setResizeMode(QHeaderView::Fixed);
	vHeader->setResizeMode(QHeaderView::Fixed);
#else
	hHeader->setSectionResizeMode(QHeaderView::Fixed);
	vHeader->setSectionResizeMode(QHeaderView::Fixed);
#endif
	// set the model
	table->setModel(model);

	/* setup cell span for the table using QTableView::setSpan().
	 * changes made here reflect on ProfilePrintModel::data(). */
	const int cols = model->columnCount();
	const int rows = model->rowCount();
	// info on top
	table->setSpan(0, 0, 1, 4);
	table->setSpan(1, 0, 1, 4);
	// gas used
	table->setSpan(2, 0, 1, 2);
	table->setSpan(3, 0, 1, 2);
	// notes
	table->setSpan(6, 0, 1, 5);
	table->setSpan(7, 0, 5, 5);

	/* resize row heights to the 'profilePrintRowHeights' indexes.
	 * profilePrintTableMaxH will then hold the table height. */
	int i;
	profilePrintTableMaxH = 0;
	for (i = 0; i < rows; i++) {
		int h = profilePrintRowHeights.at(i);
		profilePrintTableMaxH += h;
		vHeader->resizeSection(i, h);
	}
	// resize columns. columns widths are percentages from the table width.
	int accW = 0;
	for (i = 0; i < cols; i++) {
		int pw = qCeil((qreal)(profilePrintColumnWidths.at(i) * tableW) / 100.0);
		accW += pw;
		if (i == cols - 1 && accW > tableW) /* adjust last column */
			pw -= accW - tableW;
		hHeader->resizeSection(i, pw);
	}
	// resize
	table->resize(tableW, profilePrintTableMaxH);
	// hide the grid and set a stylesheet
	table->setItemDelegate(new ProfilePrintDelegate(this));
	table->setShowGrid(false);
	table->setStyleSheet(
		"QTableView { border: none }"
		"QTableView::item { border: 0px; padding-left: 2px; padding-right: 2px; }");
	// return
	return table;
}

TransactionView::TransactionView(QWidget *parent) :
    QWidget(parent), model(0), transactionProxyModel(0),
    transactionView(0)
{
    // Build filter row
    setContentsMargins(0,0,0,0);

    QHBoxLayout *hlayout = new QHBoxLayout();
    hlayout->setContentsMargins(0,0,0,0);
#ifdef Q_OS_MAC
    hlayout->setSpacing(5);
    hlayout->addSpacing(26);
#else
    hlayout->setSpacing(0);
    hlayout->addSpacing(23);
#endif

    dateWidget = new QComboBox(this);
#ifdef Q_OS_MAC
    dateWidget->setFixedWidth(121);
#else
    dateWidget->setFixedWidth(120);
#endif
    dateWidget->addItem(tr("All"), All);
    dateWidget->addItem(tr("Today"), Today);
    dateWidget->addItem(tr("This week"), ThisWeek);
    dateWidget->addItem(tr("This month"), ThisMonth);
    dateWidget->addItem(tr("Last month"), LastMonth);
    dateWidget->addItem(tr("This year"), ThisYear);
    dateWidget->addItem(tr("Range..."), Range);
    dateWidget->setStyleSheet("background-color: rgb(255, 255, 255);");
    hlayout->addWidget(dateWidget);

    typeWidget = new QComboBox(this);
    typeWidget->setStyleSheet("background-color: rgb(255, 255, 255);");
#ifdef Q_OS_MAC
    typeWidget->setFixedWidth(121);
#else
    typeWidget->setFixedWidth(120);
#endif

    typeWidget->addItem(tr("All"), TransactionFilterProxy::ALL_TYPES);
    typeWidget->addItem(tr("Received with"), TransactionFilterProxy::TYPE(TransactionRecord::RecvWithAddress) |
                                        TransactionFilterProxy::TYPE(TransactionRecord::RecvFromOther));
    typeWidget->addItem(tr("Sent to"), TransactionFilterProxy::TYPE(TransactionRecord::SendToAddress) |
                                  TransactionFilterProxy::TYPE(TransactionRecord::SendToOther));
    typeWidget->addItem(tr("To yourself"), TransactionFilterProxy::TYPE(TransactionRecord::SendToSelf));
    typeWidget->addItem(tr("Mined"), TransactionFilterProxy::TYPE(TransactionRecord::Generated));
    typeWidget->addItem(tr("Other"), TransactionFilterProxy::TYPE(TransactionRecord::Other));

    hlayout->addWidget(typeWidget);

    addressWidget = new QLineEdit(this);
    addressWidget->setStyleSheet("background-color: rgb(255, 255, 255);");
#if QT_VERSION >= 0x040700
    /* Do not move this to the XML file, Qt before 4.7 will choke on it */
    addressWidget->setPlaceholderText(tr("Enter address or label to search"));
#endif
    hlayout->addWidget(addressWidget);

    amountWidget = new QLineEdit(this);
    amountWidget->setStyleSheet("background-color: rgb(255, 255, 255);");
#if QT_VERSION >= 0x040700
    /* Do not move this to the XML file, Qt before 4.7 will choke on it */
    amountWidget->setPlaceholderText(tr("Min amount"));
#endif
#ifdef Q_OS_MAC
    amountWidget->setFixedWidth(97);
#else
    amountWidget->setFixedWidth(100);
#endif
    amountWidget->setValidator(new QDoubleValidator(0, 1e20, 8, this));
    hlayout->addWidget(amountWidget);

    QVBoxLayout *vlayout = new QVBoxLayout(this);
    vlayout->setContentsMargins(0,0,0,0);
    vlayout->setSpacing(0);

    QTableView *view = new QTableView(this);
    vlayout->addLayout(hlayout);
    vlayout->addWidget(createDateRangeWidget());
    vlayout->addWidget(view);
    vlayout->setSpacing(0);
    int width = view->verticalScrollBar()->sizeHint().width();
    view->setStyleSheet("background-color: rgb(255, 255, 255);");
    // Cover scroll bar width with spacing
#ifdef Q_OS_MAC
    hlayout->addSpacing(width+2);
#else
    hlayout->addSpacing(width);
#endif
    // Always show scroll bar
    view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
    view->setTabKeyNavigation(false);
    view->setContextMenuPolicy(Qt::CustomContextMenu);

    transactionView = view;

    // Actions
    QAction *copyAddressAction = new QAction(tr("Copy address"), this);
//.........这里部分代码省略.........

void PrintLayout::printTable()
{
    // create and setup a table
    QTableView table;
    table.setAttribute(Qt::WA_DontShowOnScreen);
    table.setSelectionMode(QAbstractItemView::NoSelection);
    table.setFocusPolicy(Qt::NoFocus);
    table.horizontalHeader()->setVisible(false);
    table.horizontalHeader()->setResizeMode(QHeaderView::Fixed);
    table.verticalHeader()->setVisible(false);
    table.verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
    table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    // fit table to one page initially
    table.resize(scaledPageW,  scaledPageH);

    // don't show border
    table.setStyleSheet(
        "QTableView { border: none }"
    );

    // create and fill a table model
    TablePrintModel model;
    struct dive *dive;
    int i, row = 0;
    addTablePrintHeadingRow(&model, row); // add one heading row
    row++;
    for_each_dive(i, dive) {
        if (!dive->selected && printOptions->print_selected)
            continue;
        addTablePrintDataRow(&model, row, dive);
        row++;
    }
    table.setModel(&model); // set model to table
    // resize columns to percentages from page width
    int accW = 0;
    int cols = model.columns;
    int tableW = table.width();
    for (int i = 0; i < model.columns; i++) {
        int pw = qCeil((qreal)(tablePrintColumnWidths.at(i) * table.width()) / 100.0);
        accW += pw;
        if (i == cols - 1 && accW > tableW) /* adjust last column */
            pw -= accW - tableW;
        table.horizontalHeader()->resizeSection(i, pw);
    }
    // reset the model at this point
    model.callReset();

    // a list of vertical offsets where pages begin and some helpers
    QList<unsigned int> pageIndexes;
    pageIndexes.append(0);
    int tableHeight = 0, rowH = 0, accH = 0;

    // process all rows
    for (int i = 0; i < model.rows; i++) {
        rowH = table.rowHeight(i);
        accH += rowH;
        if (accH > scaledPageH) { // push a new page index and add a heading
            pageIndexes.append(pageIndexes.last() + (accH - rowH));
            addTablePrintHeadingRow(&model, i);
            accH = 0;
            i--;
        }
        tableHeight += rowH;
    }
    pageIndexes.append(pageIndexes.last() + accH);
    // resize the whole widget so that it can be rendered
    table.resize(scaledPageW, tableHeight);

    // attach a painter and render pages by using pageIndexes
    QPainter painter(printer);
    painter.setRenderHint(QPainter::Antialiasing);
    painter.setRenderHint(QPainter::SmoothPixmapTransform);
    painter.scale(scaleX, scaleY);
    for (int i = 0; i < pageIndexes.size() - 1; i++) {
        if (i > 0)
            printer->newPage();
        QRegion region(0, pageIndexes.at(i) - 1,
                       table.width(),
                       pageIndexes.at(i + 1) - pageIndexes.at(i) + 1);
        table.render(&painter, QPoint(0, 0), region);
    }
}