int main(int argc, char *argv[]) { QApplication app(argc, argv); //! [0] TableModel *model = new TableModel(8, 4, &app); QTableView *table = new QTableView(0); table->setModel(model); QItemSelectionModel *selectionModel = table->selectionModel(); //! [0] //! [1] QModelIndex topLeft; QModelIndex bottomRight; topLeft = model->index(0, 0, QModelIndex()); bottomRight = model->index(5, 2, QModelIndex()); //! [1] //! [2] QItemSelection selection(topLeft, bottomRight); selectionModel->select(selection, QItemSelectionModel::Select); //! [2] //! [3] QItemSelection toggleSelection; topLeft = model->index(2, 1, QModelIndex()); bottomRight = model->index(7, 3, QModelIndex()); toggleSelection.select(topLeft, bottomRight); selectionModel->select(toggleSelection, QItemSelectionModel::Toggle); //! [3] //! [4] QItemSelection columnSelection; topLeft = model->index(0, 1, QModelIndex()); bottomRight = model->index(0, 2, QModelIndex()); columnSelection.select(topLeft, bottomRight); selectionModel->select(columnSelection, QItemSelectionModel::Select | QItemSelectionModel::Columns); QItemSelection rowSelection; topLeft = model->index(0, 0, QModelIndex()); bottomRight = model->index(1, 0, QModelIndex()); rowSelection.select(topLeft, bottomRight); selectionModel->select(rowSelection, QItemSelectionModel::Select | QItemSelectionModel::Rows); //! [4] table->setWindowTitle("Selected items in a table model"); table->show(); table->resize(460, 280); return app.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; pageIndexes.append(pageIndexes.last() + accH + headings); 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); total = pageIndexes.size() - 1; progress = 0; for (i = 0; i < total; 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); progress++; emit signalProgress(done + (progress * 10) / total); } }
QWidget* WidgetStyle::createWidget(const QString& name) { if(name == "CheckBox") { QCheckBox* box = new QCheckBox("CheckBox"); box->setObjectName("CheckBox"); return setLayoutWidget({ box }, { 100, 30 }); } else if(name == "ComboBox") { QComboBox* box = new QComboBox; box->addItem("Item1"); box->addItem("Item3"); box->addItem("Item3"); box->setObjectName("ComboBox"); return setLayoutWidget({ box }, { 70, 30 }); } else if(name == "DateEdit") { QDateEdit* date = new QDateEdit; date->setObjectName("DateEdit"); return setLayoutWidget({ date }, { 110, 40 }); } else if(name == "DateTimeEdit") { QDateTimeEdit* date = new QDateTimeEdit; date->setObjectName("DateTimeEdit"); return setLayoutWidget({ date }, { 160, 30 }); } else if(name == "Dialog") { QDialog* dialog = new QDialog; dialog->setObjectName("Dialog"); return setLayoutWidget({ dialog }, { 160, 110 }); } else if(name == "DockWidget") //? { QDockWidget* widget = new QDockWidget; widget->setObjectName("DockWidget"); widget->resize(61, 22); return widget; } else if(name == "DoubleSpinBox") { QDoubleSpinBox* box = new QDoubleSpinBox; box->setObjectName("DoubleSpinBox"); return setLayoutWidget({ box }, { 90, 40 }); } else if(name == "Frame") //?? { QFrame* frame = new QFrame; frame->setObjectName("Frame"); frame->resize(150, 100); return frame; } else if(name == "GroupBox") { QGroupBox* box = new QGroupBox("GroupBox"); box->setObjectName("GroupBox"); return setLayoutWidget({ box }, { 160, 110 }); } else if(name == "Label") { QLabel* label = new QLabel("Label"); label->setObjectName("Label"); return setLayoutWidget({ label }, { 40, 20}); } else if(name == "LineEdit") { QLineEdit* line = new QLineEdit; line->setObjectName("LineEdit"); return setLayoutWidget({ line }, { 30, 30 }); } else if(name == "ListView") //?? { QListView* view = new QListView; view->setObjectName("ListView"); view->resize(71, 71); return view; } else if(name == "ListWidget") { QListWidget* list = new QListWidget; list->setObjectName("ListWidget"); for(int i = 0; i < 20; i++) list->addItem(QString("Item %1").arg(i)); return setLayoutWidget({ list }, { 80, 80 }); } else if(name == "MainWindow") { QMainWindow* window = new QMainWindow; window->setObjectName("MainWindow"); return setLayoutWidget({ window }, { 160, 110 }); } else if(name == "Menu") { QMenu* parentMenu = new QMenu; parentMenu->setObjectName("Menu"); parentMenu->addMenu("Menu1"); QMenu* menu1 = parentMenu->addMenu("Menu2"); menu1->addMenu("Menu1"); menu1->addMenu("Menu2"); parentMenu->addSeparator(); parentMenu->addMenu("Menu3"); return setLayoutWidget({ parentMenu }, { 160, 110 }); } else if(name == "MenuBar") { QMenuBar* bar = new QMenuBar; bar->setObjectName("QMenuBar"); QMenu* menu1 = bar->addMenu("MenuBar1"); menu1->addMenu("Menu1"); menu1->addSeparator(); menu1->addMenu("Menu2"); QMenu* menu2 = bar->addMenu("MenuBar2"); menu2->addMenu("Menu1"); menu2->addSeparator(); menu2->addMenu("Menu2"); QMenu* menu3 = bar->addMenu("MenuBar3"); menu3->addMenu("Menu1"); menu3->addSeparator(); menu3->addMenu("Menu2"); return setLayoutWidget({ bar }, { 280, 60 }); } else if(name == "ProgressBar") { QProgressBar* bar = new QProgressBar; bar->setObjectName("ProgressBar"); bar->setRange(0, 100); bar->setValue(0); QTimer* timer = new QTimer(bar); this->connect(timer, &QTimer::timeout, this, [bar]() { if(bar->value() == 100) bar->setValue(0); else bar->setValue(bar->value() + 1); }); timer->start(100); return setLayoutWidget({ bar }, { 110, 30 }); } else if(name == "PushButton") { QPushButton* button = new QPushButton("PushButton"); button->setObjectName("PushButton"); return setLayoutWidget({ button }, { 125, 30 }); } else if(name == "RadioButton") { QRadioButton* button = new QRadioButton("RadioButton"); button->setObjectName("RadioButton"); return setLayoutWidget({ button }, { 125, 30 }); } else if(name == "ScrollBar") { QScrollBar* barH = new QScrollBar(Qt::Horizontal); QScrollBar* barV = new QScrollBar(Qt::Vertical); barH->setObjectName("ScrollBarH"); barV->setObjectName("ScrollBarV"); return setLayoutWidget({ barH, barV }, { 200, 100 }); } else if(name == "Slider") { QSlider* sliderH = new QSlider(Qt::Horizontal); QSlider* sliderV = new QSlider(Qt::Vertical); sliderH->setObjectName("SliderH"); sliderV->setObjectName("SliderV"); return setLayoutWidget({ sliderH, sliderV }, { 200, 100 }); } else if(name == "SpinBox") { QSpinBox* spinBox = new QSpinBox; spinBox->setObjectName("SpinBox"); return setLayoutWidget({ spinBox }, { 60, 35 }); } else if(name == "Splitter") { QSplitter* splitterV = new QSplitter(Qt::Vertical); QSplitter* splitterH = new QSplitter(Qt::Horizontal); splitterV->setObjectName("SplitterV"); splitterH->setObjectName("SplitterH"); splitterV->addWidget(new QPushButton("PushButton1")); splitterV->addWidget(new QPushButton("PushButton2")); splitterH->addWidget(splitterV); splitterH->addWidget(new QPushButton("PushButton3")); return setLayoutWidget({ splitterH }, { 250, 110 }); } else if(name == "TabWidget") { QTabWidget* tab = new QTabWidget; tab->addTab(new QWidget, "Widget1"); tab->addTab(new QWidget, "Widget2"); tab->addTab(new QWidget, "Widget3"); tab->setObjectName("TabWidget"); return setLayoutWidget({ tab }, { 210, 110 }); } else if(name == "TableView") //? { QTableView* view = new QTableView; view->setObjectName("TableView"); view->resize(200, 100); return view; } else if(name == "TableWidget") { const int n = 100; QStringList list = { "one", "two", "three" }; QTableWidget* table = new QTableWidget(n, n); table->setObjectName("TableWidget"); table->setHorizontalHeaderLabels(list); table->setVerticalHeaderLabels(list); for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) table->setItem(i, j, new QTableWidgetItem(QString("%1, %2").arg(i).arg(j))); return setLayoutWidget({ table }, { 210, 110 }); } else if(name == "TextEdit") { QTextEdit* text = new QTextEdit; text->setObjectName("TextEdit"); return setLayoutWidget({ text }, { 80, 80 }); } else if(name == "TimeEdit") { QTimeEdit* time = new QTimeEdit; time->setObjectName("TimeEdit"); return setLayoutWidget({ time }, { 80, 80 }); } else if(name == "ToolButton") { QToolButton* button = new QToolButton; button->setText("ToolButton"); button->setObjectName("ToolButton"); return setLayoutWidget({ button }, { 95, 25 }); } else if(name == "ToolBox") { QToolBox* box = new QToolBox; box->addItem(new QWidget, "Widget1"); box->addItem(new QWidget, "Widget2"); box->addItem(new QWidget, "Widget3"); box->setObjectName("ToolBox"); return setLayoutWidget({ box }, { 110, 180 }); } else if(name == "TreeView") //? { QTreeView* tree = new QTreeView; tree->setObjectName("TreeView"); tree->resize(200, 100); return tree; } else if(name == "TreeWidget") { QTreeWidget* tree = new QTreeWidget; tree->setObjectName("TreeWidget"); tree->setHeaderLabels({ "Folders", "Used Space" }); QTreeWidgetItem* item = new QTreeWidgetItem(tree); item->setText(0, "Local Disk"); for(int i = 1; i < 20; i++) { QTreeWidgetItem* dir = new QTreeWidgetItem(item); dir->setText(0, "Directory" + QString::number(i)); dir->setText(1, QString::number(i) + "MB"); } tree->setItemExpanded(item, true); return setLayoutWidget({ tree }, { 210, 110 }); } else if(name == "Widget") { QWidget* widget = new QWidget; widget->setObjectName("Widget"); return setLayoutWidget({ widget }, { 210, 110 }); } return nullptr; }
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); } }
/* 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; }