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| |
| //! [0] |
| int ret = QMessageBox::warning(this, tr("My Application"), |
| tr("The document has been modified.\n" |
| "Do you want to save your changes?"), |
| QMessageBox::Save | QMessageBox::Discard |
| | QMessageBox::Cancel, |
| QMessageBox::Save); |
| //! [0] |
| |
| |
| //! [1] |
| QMessageBox msgBox; |
| msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No); |
| switch (msgBox.exec()) { |
| case QMessageBox::Yes: |
| // yes was clicked |
| break; |
| case QMessageBox::No: |
| // no was clicked |
| break; |
| default: |
| // should never be reached |
| break; |
| } |
| //! [1] |
| |
| |
| //! [2] |
| QMessageBox msgBox; |
| QPushButton *connectButton = msgBox.addButton(tr("Connect"), QMessageBox::ActionRole); |
| QPushButton *abortButton = msgBox.addButton(QMessageBox::Abort); |
| |
| msgBox.exec(); |
| |
| if (msgBox.clickedButton() == connectButton) { |
| // connect |
| } else if (msgBox.clickedButton() == abortButton) { |
| // abort |
| } |
| //! [2] |
| |
| |
| //! [3] |
| QMessageBox messageBox(this); |
| QAbstractButton *disconnectButton = |
| messageBox.addButton(tr("Disconnect"), QMessageBox::ActionRole); |
| ... |
| messageBox.exec(); |
| if (messageBox.clickedButton() == disconnectButton) { |
| ... |
| } |
| //! [3] |
| |
| |
| //! [4] |
| #include <QApplication> |
| #include <QMessageBox> |
| |
| int main(int argc, char *argv[]) |
| { |
| QT_REQUIRE_VERSION(argc, argv, "4.0.2") |
| |
| QApplication app(argc, argv); |
| ... |
| return app.exec(); |
| } |
| //! [4] |
| |
| //! [5] |
| QMessageBox msgBox; |
| msgBox.setText("The document has been modified."); |
| msgBox.exec(); |
| //! [5] |
| |
| //! [6] |
| QMessageBox msgBox; |
| msgBox.setText("The document has been modified."); |
| msgBox.setInformativeText("Do you want to save your changes?"); |
| msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel); |
| msgBox.setDefaultButton(QMessageBox::Save); |
| int ret = msgBox.exec(); |
| //! [6] |
| |
| //! [7] |
| switch (ret) { |
| case QMessageBox::Save: |
| // Save was clicked |
| break; |
| case QMessageBox::Discard: |
| // Don't Save was clicked |
| break; |
| case QMessageBox::Cancel: |
| // Cancel was clicked |
| break; |
| default: |
| // should never be reached |
| break; |
| } |
| //! [7] |
| |
| //! [9] |
| QMessageBox msgBox(this); |
| msgBox.setText(tr("The document has been modified.\n" |
| "Do you want to save your changes?")); |
| msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard |
| | QMessageBox::Cancel); |
| msgBox.setDefaultButton(QMessageBox::Save); |
| //! [9] |