qprinter

问题 When i click the button, the program crashes. I will post my code: void Test1::on_pushButton_1_clicked() // print the information { QPrinter printer(QPrinter::HighResolution); printer.setCreator("Me"); printer.setDocName("Print"); printer.setPaperSize(QPrinter::A4); QPrintPreviewDialog *pd = new QPrintPreviewDialog(&printer); connect(pd,SIGNAL(paintRequested(QPrinter*)),this,SLOT(print(QPrinter*))); pd->exec(); } void Test1::print(QPrinter *p) { QPainter painter(p); painter.setPen(Qt::blue);

问题 After installing the latest SIP, and the latest Qt5, I tried to build the latest PyQt5 for python 3.4. I launched pyqt5 configure like this: python3 configure.py --qmake=/opt/Qt/5.3/gcc_64/bin/qmake Then make and sudo make install. During sudo make install I obtain this error: cd QtWebKitWidgets/ && ( test -e Makefile || /opt/Qt/5.3/gcc_64/bin/qmake /home/me/Downloads/PyQt-gpl-5.3.2/QtWebKitWidgets/QtWebKitWidgets.pro -o Makefile ) && make -f Makefile install make[1]: Entering directory `

问题 i write some code in pyqt5 that create a table in main main: class Ui_MainWindow(object): def setupUi(self, MainWindow): ... def retranslateUi(self, MainWindow):... self.pushButton.setText(_translate("MainWindow", "print")) self.pushButton.clicked.connect(self.printer) def printer(self):... and use this class by: app = QtWidgets.QApplication(sys.argv) MainWindow = QtWidgets.QMainWindow() ui = Ui_MainWindow() ui.setupUi(MainWindow) MainWindow.show() sys.exit(app.exec_()) i wanna know how can i

问题 im generating a pdf file from html code using qt: QTextDocument *document = new QTextDocument(); document->setHtml(htmlContent); QPrinter printer(QPrinter::HighResolution); printer.setPageSize(QPrinter::A4); printer.setOutputFormat(QPrinter::PdfFormat); printer.setOutputFileName("filename.pdf"); document->print(printer); Is it possible to have the page information "Page X of Y" instead of only the page number? If yes, how? 回答1: The solution I propose is based on this code. I have added the

问题 I was finding solution to print webpage into local file PDF, using Python. one of the good solution is to use Qt, found here, https://bharatikunal.wordpress.com/2010/01/. It didn\'t work at the beginning as I had problem with the installation of PyQt4 because it gave error messages such as \'ImportError: No module named PyQt4.QtCore\', and \'ImportError: No module named PyQt4.QtCore\'. It was because PyQt4\'s not installed properly. I used to have the libraries located at C:\\Python27\\Lib