自定义对话框实现综合案例

#include "mainwindow.h" #include "ui_mainwindow.h" #include "dialogsetsie.h" #include <QStringList> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); theModel = new QStandardItemModel(this); theSelection = new QItemSelectionModel(theModel); ui->tableView->setModel(theModel); ui->tableView->setSelectionModel(theSelection); dialogHeder = nullptr; } MainWindow::~MainWindow() { delete ui; } void MainWindow::setActLocateEnable(bool enable) { ui->actionSetRect->setEnabled(enable); } void MainWindow::setActLocateNull() { dialogLocate = nullptr; } void MainWindow::setCellText(int row, int col, QString text) { QModelIndex index = theModel->index(row, col); theModel->setData(index, text, Qt::DisplayRole); theSelection->clearSelection(); theSelection->setCurrentIndex(index, QItemSelectionModel::Select); } void MainWindow::on_actionCut_triggered() { this->close(); } void MainWindow::on_actionSetLineColumn_triggered() { DialogSetSie *dlg = new DialogSetSie(this); dlg->SetRowsColumns(theModel->rowCount(), theModel->columnCount()); int ret = dlg->exec(); if (QDialog::Accepted == ret) { int row = dlg->rowCount(); int col = dlg->columnCount(); theModel->setColumnCount(col); theModel->setRowCount(row); } delete dlg; } void MainWindow::on_actionHeadTitle_triggered() { if (!dialogHeder) { dialogHeder = new DialogSetHeaders(this); } if (dialogHeder->stringList().count() != theModel->columnCount()) { QStringList strList; for (int i=0; i<theModel->columnCount(); i++) { //strList.append(theModel->headerData(i, Qt::Horizontal)); strList << theModel->headerData(i, Qt::Horizontal).toString(); } dialogHeder->setStringList(strList); } //模态对话框显示 int ret = dialogHeder->exec(); if (QDialog::Accepted == ret) { QStringList strList = dialogHeder->stringList(); theModel->setHorizontalHeaderLabels(strList); } } void MainWindow::on_actionQuit_triggered() { this->close(); } void MainWindow::on_actionSetRect_triggered() { ui->actionSetRect->setDisabled(true); dialogLocate = new QDialogLocate(this); dialogLocate->setAttribute(Qt::WA_DeleteOnClose); Qt::WindowFlags flags = dialogLocate->windowFlags(); dialogLocate->setWindowFlags(flags|Qt::WindowStaysOnTopHint); dialogLocate->setRange(theModel->rowCount(), theModel->columnCount()); QModelIndex curIndex = theSelection->currentIndex(); if (curIndex.isValid()) { dialogLocate->setValue(curIndex.row(), curIndex.column()); } connect(dialogLocate, SIGNAL(changeCellText(int, int, QString)), this, SLOT(setCellText(int, int, QString))); //connect(dialogLocate, &QDialogLocate::changeCellText, this, &MainWindow::setCellText); //非模态对话框显示 dialogLocate->show(); } void MainWindow::on_tableView_clicked(const QModelIndex &index) { if (NULL != dialogLocate) { dialogLocate->setValue(index.row(), index.column()); } }