Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/WebBrowserTabWidget.py
src/eric7/WebBrowser/WebBrowserTabWidget.py
- branch
- eric7
- changeset 10240
- cbd566d49a88
- parent 10069
- 435cc5875135
- child 10436
- f6881d10e995
equal
deleted
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replaced
| 10239:63fe209a1e71 | 10240:cbd566d49a88 |
|---|---|
| 5 | 5 |
| 6 """ | 6 """ |
| 7 Module implementing the central widget showing the web pages. | 7 Module implementing the central widget showing the web pages. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 import os | 10 from PyQt6.QtCore import Qt, QUrl, pyqtSignal, pyqtSlot |
| 11 | 11 from PyQt6.QtGui import QIcon, QPainter, QPixmap |
| 12 from PyQt6.QtCore import QMarginsF, Qt, QUrl, pyqtSignal, pyqtSlot | 12 from PyQt6.QtWidgets import QHBoxLayout, QMenu, QToolButton, QWidget |
| 13 from PyQt6.QtGui import QIcon, QPageLayout, QPainter, QPixmap | |
| 14 from PyQt6.QtPrintSupport import ( | |
| 15 QAbstractPrintDialog, | |
| 16 QPrintDialog, | |
| 17 QPrinter, | |
| 18 QPrintPreviewDialog, | |
| 19 ) | |
| 20 from PyQt6.QtWidgets import QDialog, QHBoxLayout, QMenu, QToolButton, QWidget | |
| 21 | 13 |
| 22 from eric7 import Preferences | 14 from eric7 import Preferences |
| 23 from eric7.EricGui import EricPixmapCache | 15 from eric7.EricGui import EricPixmapCache |
| 24 from eric7.EricGui.EricOverrideCursor import EricOverrideCursor | |
| 25 from eric7.EricWidgets import EricMessageBox | 16 from eric7.EricWidgets import EricMessageBox |
| 26 from eric7.EricWidgets.EricApplication import ericApp | 17 from eric7.EricWidgets.EricApplication import ericApp |
| 27 from eric7.EricWidgets.EricTabWidget import EricTabWidget | 18 from eric7.EricWidgets.EricTabWidget import EricTabWidget |
| 28 from eric7.SystemUtilities import FileSystemUtilities, OSUtilities | 19 from eric7.SystemUtilities import FileSystemUtilities |
| 29 from eric7.WebBrowser.WebBrowserWindow import WebBrowserWindow | 20 from eric7.WebBrowser.WebBrowserWindow import WebBrowserWindow |
| 30 | 21 |
| 31 from . import WebInspector | 22 from . import WebInspector |
| 32 from .ClosedTabsManager import ClosedTabsManager | 23 from .ClosedTabsManager import ClosedTabsManager |
| 33 from .Tools import WebBrowserTools | |
| 34 from .UrlBar.StackedUrlBar import StackedUrlBar | 24 from .UrlBar.StackedUrlBar import StackedUrlBar |
| 35 from .WebBrowserPage import WebBrowserPage | 25 from .WebBrowserPage import WebBrowserPage |
| 36 from .WebBrowserTabBar import WebBrowserTabBar | 26 from .WebBrowserTabBar import WebBrowserTabBar |
| 37 from .WebBrowserView import WebBrowserView | 27 from .WebBrowserView import WebBrowserView |
| 38 | |
| 39 | |
| 40 def isCupsAvailable(): | |
| 41 """ | |
| 42 Static method to test the availability of CUPS. | |
| 43 | |
| 44 @return flag indicating the availability of CUPS | |
| 45 @rtype bool | |
| 46 """ | |
| 47 if OSUtilities.isMacPlatform(): | |
| 48 # OS X/MacOS always have CUPS | |
| 49 return True | |
| 50 elif OSUtilities.isLinuxPlatform(): | |
| 51 testPrinter = QPrinter() | |
| 52 return testPrinter.supportsMultipleCopies() | |
| 53 else: | |
| 54 return False | |
| 55 | 28 |
| 56 | 29 |
| 57 class WebBrowserTabWidget(EricTabWidget): | 30 class WebBrowserTabWidget(EricTabWidget): |
| 58 """ | 31 """ |
| 59 Class implementing the central widget showing the web pages. | 32 Class implementing the central widget showing the web pages. |
| 648 @param browser reference to the browser to be printed (WebBrowserView) | 621 @param browser reference to the browser to be printed (WebBrowserView) |
| 649 """ | 622 """ |
| 650 if browser is None: | 623 if browser is None: |
| 651 browser = self.currentBrowser() | 624 browser = self.currentBrowser() |
| 652 | 625 |
| 653 printer = QPrinter(mode=QPrinter.PrinterMode.HighResolution) | 626 if browser is not None: |
| 654 if Preferences.getPrinter("ColorMode"): | 627 browser.printPage() |
| 655 printer.setColorMode(QPrinter.ColorMode.Color) | |
| 656 else: | |
| 657 printer.setColorMode(QPrinter.ColorMode.GrayScale) | |
| 658 if Preferences.getPrinter("FirstPageFirst"): | |
| 659 printer.setPageOrder(QPrinter.PageOrder.FirstPageFirst) | |
| 660 else: | |
| 661 printer.setPageOrder(QPrinter.PageOrder.LastPageFirst) | |
| 662 printer.setPageMargins( | |
| 663 QMarginsF( | |
| 664 Preferences.getPrinter("LeftMargin") * 10, | |
| 665 Preferences.getPrinter("TopMargin") * 10, | |
| 666 Preferences.getPrinter("RightMargin") * 10, | |
| 667 Preferences.getPrinter("BottomMargin") * 10, | |
| 668 ), | |
| 669 QPageLayout.Unit.Millimeter, | |
| 670 ) | |
| 671 printerName = Preferences.getPrinter("PrinterName") | |
| 672 if printerName: | |
| 673 printer.setPrinterName(printerName) | |
| 674 printer.setResolution(Preferences.getPrinter("Resolution")) | |
| 675 documentName = WebBrowserTools.getFileNameFromUrl(browser.url()) | |
| 676 printer.setDocName(documentName) | |
| 677 | |
| 678 printDialog = QPrintDialog(printer, self) | |
| 679 printDialog.setOptions( | |
| 680 QAbstractPrintDialog.PrintDialogOption.PrintToFile | |
| 681 | QAbstractPrintDialog.PrintDialogOption.PrintShowPageSize | |
| 682 ) | |
| 683 if not OSUtilities.isWindowsPlatform(): | |
| 684 if isCupsAvailable(): | |
| 685 printDialog.setOption( | |
| 686 QAbstractPrintDialog.PrintDialogOption.PrintCollateCopies | |
| 687 ) | |
| 688 printDialog.setOption(QAbstractPrintDialog.PrintDialogOption.PrintPageRange) | |
| 689 if printDialog.exec() == QDialog.DialogCode.Accepted: | |
| 690 browser.page().execPrintPage(printer, 10 * 1000) | |
| 691 | 628 |
| 692 @pyqtSlot() | 629 @pyqtSlot() |
| 693 def printBrowserPdf(self, browser=None): | 630 def printBrowserPdf(self, browser=None): |
| 694 """ | 631 """ |
| 695 Public slot called to print the displayed page to PDF. | 632 Public slot called to print the displayed page to PDF. |
| 696 | 633 |
| 697 @param browser reference to the browser to be printed (HelpBrowser) | 634 @param browser reference to the browser to be printed (HelpBrowser) |
| 698 """ | 635 """ |
| 699 from .Tools.PrintToPdfDialog import PrintToPdfDialog | |
| 700 | |
| 701 if browser is None: | 636 if browser is None: |
| 702 browser = self.currentBrowser() | 637 browser = self.currentBrowser() |
| 703 | 638 |
| 704 name = WebBrowserTools.getFileNameFromUrl(browser.url()) | 639 if browser is not None: |
| 705 if name: | 640 browser.printPageToPdf() |
| 706 name = name.rsplit(".", 1)[0] | |
| 707 name += ".pdf" | |
| 708 if hasattr(browser.page(), "printToPdf"): | |
| 709 if not name: | |
| 710 name = "printout.pdf" | |
| 711 dlg = PrintToPdfDialog(name, self) | |
| 712 if dlg.exec() == QDialog.DialogCode.Accepted: | |
| 713 filePath, pageLayout = dlg.getData() | |
| 714 if filePath: | |
| 715 if os.path.exists(filePath): | |
| 716 res = EricMessageBox.warning( | |
| 717 self, | |
| 718 self.tr("Print to PDF"), | |
| 719 self.tr( | |
| 720 """<p>The file <b>{0}</b> exists""" | |
| 721 """ already. Shall it be""" | |
| 722 """ overwritten?</p>""" | |
| 723 ).format(filePath), | |
| 724 EricMessageBox.No | EricMessageBox.Yes, | |
| 725 EricMessageBox.No, | |
| 726 ) | |
| 727 if res == EricMessageBox.No: | |
| 728 return | |
| 729 browser.page().printToPdf( | |
| 730 lambda pdf: self.__pdfGeneratedForSave(filePath, pdf), | |
| 731 pageLayout, | |
| 732 ) | |
| 733 elif OSUtilities.isLinuxPlatform(): | |
| 734 printer = QPrinter(mode=QPrinter.PrinterMode.HighResolution) | |
| 735 if Preferences.getPrinter("ColorMode"): | |
| 736 printer.setColorMode(QPrinter.ColorMode.Color) | |
| 737 else: | |
| 738 printer.setColorMode(QPrinter.ColorMode.GrayScale) | |
| 739 printerName = Preferences.getPrinter("PrinterName") | |
| 740 if printerName: | |
| 741 printer.setPrinterName(printerName) | |
| 742 printer.setOutputFormat(QPrinter.OutputFormat.PdfFormat) | |
| 743 if name: | |
| 744 printer.setOutputFileName(name) | |
| 745 printer.setResolution(Preferences.getPrinter("Resolution")) | |
| 746 | |
| 747 printDialog = QPrintDialog(printer, self) | |
| 748 if printDialog.exec() == QDialog.DialogCode.Accepted: | |
| 749 browser.render(printer) | |
| 750 | |
| 751 def __pdfGeneratedForSave(self, filePath, pdfData): | |
| 752 """ | |
| 753 Private slot to save the generated PDF data to a file. | |
| 754 | |
| 755 @param filePath path to save the PDF to | |
| 756 @type str | |
| 757 @param pdfData generated PDF document | |
| 758 @type QByteArray | |
| 759 """ | |
| 760 if pdfData.size() == 0: | |
| 761 return | |
| 762 | |
| 763 try: | |
| 764 with open(filePath, "wb") as f: | |
| 765 f.write(pdfData) | |
| 766 except OSError as err: | |
| 767 EricMessageBox.critical( | |
| 768 self, | |
| 769 self.tr("Print to PDF"), | |
| 770 self.tr( | |
| 771 """<p>The PDF could not be written to file <b>{0}""" | |
| 772 """</b>.</p><p><b>Error:</b> {1}</p>""" | |
| 773 ).format(filePath, str(err)), | |
| 774 EricMessageBox.Ok, | |
| 775 ) | |
| 776 | 641 |
| 777 @pyqtSlot() | 642 @pyqtSlot() |
| 778 def printPreviewBrowser(self, browser=None): | 643 def printPreviewBrowser(self, browser=None): |
| 779 """ | 644 """ |
| 780 Public slot called to show a print preview of the displayed file. | 645 Public slot called to show a print preview of the displayed file. |
| 782 @param browser reference to the browser to be printed (WebBrowserView) | 647 @param browser reference to the browser to be printed (WebBrowserView) |
| 783 """ | 648 """ |
| 784 if browser is None: | 649 if browser is None: |
| 785 browser = self.currentBrowser() | 650 browser = self.currentBrowser() |
| 786 | 651 |
| 787 printer = QPrinter(mode=QPrinter.PrinterMode.HighResolution) | 652 if browser is not None: |
| 788 if Preferences.getPrinter("ColorMode"): | 653 browser.printPreviewPage() |
| 789 printer.setColorMode(QPrinter.ColorMode.Color) | |
| 790 else: | |
| 791 printer.setColorMode(QPrinter.ColorMode.GrayScale) | |
| 792 if Preferences.getPrinter("FirstPageFirst"): | |
| 793 printer.setPageOrder(QPrinter.PageOrder.FirstPageFirst) | |
| 794 else: | |
| 795 printer.setPageOrder(QPrinter.PageOrder.LastPageFirst) | |
| 796 printer.setPageMargins( | |
| 797 QMarginsF( | |
| 798 Preferences.getPrinter("LeftMargin") * 10, | |
| 799 Preferences.getPrinter("TopMargin") * 10, | |
| 800 Preferences.getPrinter("RightMargin") * 10, | |
| 801 Preferences.getPrinter("BottomMargin") * 10, | |
| 802 ), | |
| 803 QPageLayout.Unit.Millimeter, | |
| 804 ) | |
| 805 printerName = Preferences.getPrinter("PrinterName") | |
| 806 if printerName: | |
| 807 printer.setPrinterName(printerName) | |
| 808 printer.setResolution(Preferences.getPrinter("Resolution")) | |
| 809 | |
| 810 preview = QPrintPreviewDialog(printer, self) | |
| 811 preview.resize(800, 750) | |
| 812 preview.paintRequested.connect( | |
| 813 lambda p: self.__printPreviewRequested(p, browser) | |
| 814 ) | |
| 815 preview.exec() | |
| 816 | |
| 817 def __printPreviewRequested(self, printer, browser): | |
| 818 """ | |
| 819 Private slot to generate the print preview. | |
| 820 | |
| 821 @param printer reference to the printer object | |
| 822 @type QPrinter | |
| 823 @param browser reference to the browser to be printed | |
| 824 @type WebBrowserView | |
| 825 """ | |
| 826 with EricOverrideCursor(): | |
| 827 browser.page().execPrintPage(printer, 10 * 1000) | |
| 828 | 654 |
| 829 def __sourceChanged(self, url, browser): | 655 def __sourceChanged(self, url, browser): |
| 830 """ | 656 """ |
| 831 Private slot to handle a change of a browsers source. | 657 Private slot to handle a change of a browsers source. |
| 832 | 658 |
