fix: 修复打印PDF文件时逐份打印选项异常

修复打印PDF文件时逐份打印选项异常

Log: 修复文档查看器打印预览逐份打印不正常问题
Bug: https://pms.uniontech.com/bug-view-267279.html
Influence: 打印PDF时正常逐份打印
Change-Id: I077c325080ac5cf12c955f0d311490a5d44c21fd

Author: chenjun1982

src/widgets/dprintpreviewdialog.cpp

@@ -1357,6 +1357,9 @@ void DPrintPreviewDialogPrivate::setupPrinter()
         pview->isPageByPage(printer->copyCount(), isFirst);
         //由于手动设置逐页打印，这种情况下，输出打印机的打印份数为1
         printer->setCopyCount(1);
+    } else {
+        // 设置多分打印时逐份打印
+        printer->setCollateCopies(true);
     }
 }
 

src/widgets/dprintpreviewwidget.cpp

@@ -746,6 +746,10 @@ PrintOptions DPrintPreviewWidgetPrivate::printerOptions()
     options.append(QPair<QByteArray, QByteArray>(QStringLiteral("copies").toLocal8Bit(), QString::number(previewPrinter->copyCount()).toLocal8Bit()));
     options.append(QPair<QByteArray, QByteArray>(QStringLiteral("fit-to-page").toLocal8Bit(), QStringLiteral("true").toLocal8Bit()));
 
+    if (previewPrinter->collateCopies()) {
+        options.append(QPair<QByteArray, QByteArray>(QStringLiteral("collate").toLocal8Bit(),  QStringLiteral("true").toLocal8Bit()));
+    }
+
     if (pageRangeMode != DPrintPreviewWidget::AllPage) {
         QString pageRangeString;
         if (pageRangeMode == DPrintPreviewWidget::CurrentPage) {