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‎QtLetter.pro

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QT += core gui
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QT += printsupport
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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CONFIG += c++11
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# You can make your code fail to compile if it uses deprecated APIs.
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# In order to do so, uncomment the following line.
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#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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SOURCES += \
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main.cpp \
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mainwindow.cpp
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HEADERS += \
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mainwindow.h
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FORMS += \
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mainwindow.ui
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# Default rules for deployment.
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qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
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!isEmpty(target.path): INSTALLS += target

‎main.cpp

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#include "mainwindow.h"
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#include <QApplication>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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MainWindow w;
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w.show();
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return a.exec();
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}

‎mainwindow.cpp

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#include <QDebug>
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#include <QPrinterInfo>
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#include <QPainter>
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#include <QTextStream>
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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double ptFromMm(double mm) {
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return mm *2.83465;
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}
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double mmFromPt(double pt) {
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return pt *0.35278;
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}
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void printPrinterInfo(QPrinter& p)
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{
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qInfo().noquote() << (p.printerName().isEmpty() ? "<no name>" : p.printerName());
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qInfo() << "Layout: " << p.pageLayout();
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qInfo() << "Layout->fRPt " << p.pageLayout().fullRectPoints();
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qInfo() << "pageSizeMM: " << p.pageSizeMM();
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qInfo() << "pageSize: " << (0 == p.pageSize() ? "A4" : "not A4");
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qInfo() << "pageRect(px, mm, pt) " << p.pageRect() << p.pageRect(QPrinter::Millimeter) << p.pageRect(QPrinter::Point);
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qInfo() << "paperRect(px)" << p.paperRect();
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qInfo() << "fullPageMode " << (p.fullPage() ? "full page mode" : "NOT full page mode");
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qInfo().noquote() << "resolution " << p.resolution() << "\n";
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}
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void setupPrinter(QPrinter& p)
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{
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p.setOutputFormat(QPrinter::PdfFormat);
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// Normbrief
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p.setFullPage(false);
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QMarginsF marg(25, 16.9, 10, 16.9);
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p.setPageMargins(marg, QPageLayout::Millimeter);
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printPrinterInfo(p);
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}
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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connect(ui->ppW, SIGNAL(paintRequested(QPrinter*)), SLOT(doPaint(QPrinter*)));
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ui->txtAdresse->setPlainText("<html><head></head><body style='font-family:Verdana; font-size:10pt'>"
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"<table width=100% border=1 cellspacing=0 border-collapse:collapse;><tr><td>"
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"<small>Absender Adresse Abs-Platz 9, 62143 Absstadt<p></small>"
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"An<p>Hans Empfänger<br>Sesamstraße 42<p><big>31234</big> <b>EmpfStadt<b>"
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"</td></tr></table>"
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"</body></html>");
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ui->txtBody->setPlainText("<hmtl><head></head><body style='font-family:Verdana; font-size:10pt;'>"
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"<table width=100% border=1 cellspacing=0 border-collapse:collapse;><tr><td>"
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"Lieber Adalbert,<p style='text-align:justify;'>"
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"herzlichen Dank bla bla blabla blabal bla bla blabla blabalbla bla blabla blabalbla bla blabla blabal"
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"<p style='text-align:justify;'>bla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabal"
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"<p align=justify>bla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabalbla bla blabla blabal"
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"<br><p>Mit freundlichen Grüßen</p>"
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"<p> Holger Mairon</p>"
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"<br><small>Job comment of signer</small></p>"
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"</td></tr></table></body></html>");
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ui->txtFusszeile->setPlainText("<hmtl><head></head><body style='font-family:Verdana; font-size:6pt'>"
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"<table width=100% border=1 cellspacing=0 border-collapse:collapse;>"
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"<tr><td width=33% style='text-align:left'><small>Geschäftsführer: Hugo Hurtig, Julia Rüstig, Eduard Montabaur</small></td>"
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"<td width=33% style='text-align:left'><small>Eine Bank Frankfurt<br>IBAN 12939 39943 22030 403<br>BIC xxx-dxx-xx</small></td>"
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"<td style='text-align:left'><small>Handelsregister Mannheim<br>HSB Eintrag xxxx.xxxx.xxxx</small></td>"
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"</tr></table></body></html>");
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setupPrinter(p);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::doPaint(QPrinter* p)
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{
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QPainter painter;
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printPrinterInfo(*p);
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painter.begin(p);
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QPageLayout lay = p->pageLayout();
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double leftMg =lay.marginsPoints().left();
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double rightMg =lay.marginsPoints().right();
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// double top =lay.marginsPoints().top();
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double bottomMg = lay.marginsPoints().bottom();
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qInfo() << "Marings (l, r):() " << leftMg << ", " << rightMg << ")";
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////////////////////////////////////////
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painter.setWindow(lay.fullRectPoints());
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////////////////////////////////////////
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// top / bottom
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painter.drawLine(QPointF(0., 0.), QPointF(15, 0.));
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painter.drawLine(QPointF(0., lay.fullRectPoints().height()), QPointF(15., lay.fullRectPoints().height()));
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// Falzmarken, Lochmarke
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double pos =ptFromMm(105. );
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painter.drawLine(QPointF(0., pos), QPointF(10., pos));
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pos =ptFromMm(210.);
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painter.drawLine(QPointF(0., pos), QPointF(10., pos));
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pos =ptFromMm(148.5);
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painter.drawLine(QPointF(0., pos), QPointF(15., pos));
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painter.save();
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painter.translate(QPointF(leftMg, ptFromMm(45)));
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tdAddress.drawContents(&painter);
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painter.restore();
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painter.save();
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painter.translate(QPointF(leftMg, ptFromMm(105)));
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double textWidth = lay.fullRectPoints().width()-leftMg-rightMg;
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qInfo() << "TextWidth: " << textWidth;
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tdBody.setTextWidth(textWidth);
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tdBody.drawContents(&painter);
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painter.restore();
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tdFoot.setTextWidth(textWidth);
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double footerHeight = tdFoot.size().height();
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double footerStartY = lay.fullRectPoints().height()-bottomMg-footerHeight;
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painter.translate(QPointF(leftMg, footerStartY));
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tdFoot.drawContents(&painter);
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painter.end();
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}
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void MainWindow::on_pb1_clicked()
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{
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tdAddress.setHtml(ui->txtAdresse->toPlainText());
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tdBody.setHtml(ui->txtBody->toPlainText());
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tdFoot.setHtml(ui->txtFusszeile->toPlainText());
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ui->ppW->updatePreview();
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qInfo() << ui->txtAdresse->toPlainText();
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qInfo() << ui->txtBody->toPlainText();
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qInfo() << ui->txtFusszeile->toPlainText();
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}
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void MainWindow::on_pb4_clicked()
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{
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QPrinter writer((QPrinterInfo)p); // does not work as expected
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setupPrinter(writer);
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printPrinterInfo(writer);
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//writer.setPageMargins(0, 0, 0, 0, QPrinter::Point);
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writer.setOutputFileName("out.pdf");
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doPaint(&writer);
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}

‎mainwindow.h

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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QPrinter>
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#include <QTextDocument>
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#include <QMainWindow>
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QT_BEGIN_NAMESPACE
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namespace Ui { class MainWindow; }
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QT_END_NAMESPACE
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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MainWindow(QWidget *parent = nullptr);
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~MainWindow();
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private slots:
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void doPaint(QPrinter* );
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void on_pb1_clicked();
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void on_pb4_clicked();
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private:
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Ui::MainWindow *ui;
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QTextDocument tdAddress;
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QTextDocument tdBody;
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QTextDocument tdFoot;
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QPrinter p{QPrinter::PrinterMode::HighResolution};
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};
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#endif // MAINWINDOW_H

‎mainwindow.ui

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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>978</width>
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<height>803</height>
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</rect>
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</property>
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<property name="sizePolicy">
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<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="windowTitle">
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<string>MainWindow</string>
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</property>
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<widget class="QWidget" name="centralwidget">
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<layout class="QVBoxLayout" name="verticalLayout_2">
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout">
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<item>
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<widget class="QPushButton" name="pb1">
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<property name="text">
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<string>(re-)&amp;Render</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPushButton" name="pb2">
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<property name="text">
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<string>PB&amp;2</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPushButton" name="pb3">
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<property name="text">
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<string>PB&amp;3</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPushButton" name="pb4">
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<property name="text">
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<string>&amp;Pdf</string>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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<item>
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<widget class="QSplitter" name="splitter">
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<property name="midLineWidth">
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<number>2</number>
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</property>
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="handleWidth">
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<number>12</number>
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</property>
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<widget class="QWidget" name="layoutWidget">
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<layout class="QVBoxLayout" name="verticalLayout">
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<property name="leftMargin">
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<number>2</number>
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</property>
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<property name="topMargin">
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<number>2</number>
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</property>
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<property name="rightMargin">
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<number>2</number>
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</property>
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<property name="bottomMargin">
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<number>2</number>
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</property>
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<item>
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<widget class="QLabel" name="label">
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<property name="text">
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<string>Adresse</string>
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</property>
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<property name="buddy">
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<cstring>txtAdresse</cstring>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPlainTextEdit" name="txtAdresse"/>
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</item>
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<item>
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<widget class="QLabel" name="label_2">
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<property name="text">
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<string>Text</string>
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</property>
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<property name="buddy">
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<cstring>txtBody</cstring>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPlainTextEdit" name="txtBody"/>
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</item>
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<item>
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<widget class="QLabel" name="label_3">
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<property name="text">
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<string>Fusszeile</string>
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</property>
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<property name="buddy">
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<cstring>txtFusszeile</cstring>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QPlainTextEdit" name="txtFusszeile"/>
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</item>
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</layout>
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</widget>
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<widget class="QPrintPreviewWidget" name="ppW" native="true">
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<property name="enabled">
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<bool>true</bool>
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</property>
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<property name="sizePolicy">
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<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
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<horstretch>2</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="minimumSize">
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<size>
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<width>2</width>
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<height>0</height>
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</size>
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</property>
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</widget>
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</widget>
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</item>
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</layout>
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</widget>
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<widget class="QMenuBar" name="menubar">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>978</width>
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<height>26</height>
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</rect>
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</property>
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</widget>
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<widget class="QStatusBar" name="statusbar"/>
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</widget>
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<customwidgets>
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<customwidget>
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<class>QPrintPreviewWidget</class>
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<extends>QWidget</extends>
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<header location="global">qprintpreviewwidget.h</header>
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<container>1</container>
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</customwidget>
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</customwidgets>
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<resources/>
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<connections/>
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</ui>

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