File us-Add-option-to-save-and-quit.patch of Package diffpdf

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File us-Add-option-to-save-and-quit.patch of Package diffpdf

From 2805545c63678cf21dbde5f4a1f0c15525311895 Mon Sep 17 00:00:00 2001
From: pianoslum <pianoslum@mailbox.org>
Date: Fri, 22 Mar 2019 22:53:13 +0100
Subject: [PATCH] Add option to save and quit

---
 main.cpp       |  8 +++++++-
 mainwindow.cpp | 15 ++++++++++++---
 mainwindow.hpp |  3 ++-
 3 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/main.cpp b/main.cpp
index 321ecc4..7a6566d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -41,6 +41,7 @@ int main(int argc, char *argv[])
     const QString LanguageOption = "--language=";
     QString filename1;
     QString filename2;
+    bool saveAndQuit = false;
     QString language = QLocale::system().name();
     bool optionsOK = true;
     Debug debug = DebugOff;
@@ -78,6 +79,7 @@ int main(int argc, char *argv[])
                 "etc.)\n"
                 "--debug=3          as --debug=3 but also includes "
                 "coordinates in y, x order\n"
+                "--save-and-quit    save the diff to diff.pdf and quit immediately\n"
                 "\nRun the program without the --help option and click "
                 "About to see copyright and license details\n"
                 ;
@@ -90,6 +92,8 @@ int main(int argc, char *argv[])
             debug = DebugShowTexts;
         else if (optionsOK && (arg == "--debug=3" || arg == "--debug3"))
             debug = DebugShowTextsAndYX;
+        else if (optionsOK && arg == "--save-and-quit")
+            saveAndQuit = true;
         else if (optionsOK && arg == "--")
             optionsOK = false;
         else if (filename1.isEmpty() && arg.toLower().endsWith(".pdf"))
@@ -100,6 +104,7 @@ int main(int argc, char *argv[])
             out << "unrecognized argument '" << arg << "'\n";
     }
 
+
     QTranslator qtTranslator;
     qtTranslator.load("qt_" + language,
         QLibraryInfo::location(QLibraryInfo::TranslationsPath));
@@ -109,7 +114,8 @@ int main(int argc, char *argv[])
     app.installTranslator(&appTranslator);
 
     MainWindow window(debug, comparisonMode, filename1, filename2,
-            language.left(2)); // We want de not de_DE etc.
+            language.left(2), saveAndQuit); // We want de not de_DE etc.
+
     window.show();
     return app.exec();
 }
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 30b369b..0a26f9d 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -49,7 +49,7 @@
 MainWindow::MainWindow(const Debug debug,
         const InitialComparisonMode comparisonMode,
         const QString &filename1, const QString &filename2,
-        const QString &language, QWidget *parent)
+        const QString &language, const bool saveAndQuit, QWidget *parent)
     : QMainWindow(parent),
       controlDockArea(Qt::RightDockWidgetArea),
       actionDockArea(Qt::RightDockWidgetArea),
@@ -57,7 +57,8 @@ MainWindow::MainWindow(const Debug debug,
       zoningDockArea(Qt::RightDockWidgetArea),
       logDockArea(Qt::RightDockWidgetArea), cancel(false),
       saveAll(true), savePages(SaveBothPages), language(language),
-      debug(debug), aboutForm(0), helpForm(0)
+      debug(debug), aboutForm(0), helpForm(0),
+      saveAndQuit(saveAndQuit)
 {
     currentPath = QDir::homePath();
     QSettings settings;
@@ -626,6 +627,15 @@ void MainWindow::initialize(const QString &filename1,
         if (!filename2.isEmpty()) {
             setFile2(filename2);
             compare();
+
+            if (saveAndQuit) {
+                saveFilename = "diff.pdf";
+                PdfDocument pdf1 = PdfDocument(Poppler::Document::load(filename1));
+                PdfDocument pdf2 = PdfDocument(Poppler::Document::load(filename2));
+                const int page_count = std::max(pdf1->numPages(), pdf2->numPages());
+                saveAsPdf(0, page_count, pdf1, pdf2, filename1 + " - " + filename2);
+                QApplication::quit();
+            }
         }
     }
     else
@@ -1675,7 +1685,6 @@ void MainWindow::saveAsImages(const int start, const int end,
     }
 }
 
-
 void MainWindow::saveAsPdf(const int start, const int end,
         const PdfDocument &pdf1, const PdfDocument &pdf2,
         const QString &header)
diff --git a/mainwindow.hpp b/mainwindow.hpp
index 448d21c..aa62a7a 100644
--- a/mainwindow.hpp
+++ b/mainwindow.hpp
@@ -51,7 +51,7 @@ public:
     MainWindow(const Debug debug,
             const InitialComparisonMode comparisonMode,
             const QString &filename1, const QString &filename2,
-            const QString &language, QWidget *parent=0);
+            const QString &language, const bool saveAndQuit = false, QWidget *parent=0);
 
 protected:
     void closeEvent(QCloseEvent *event);
@@ -214,6 +214,7 @@ private:
     Debug debug;
     AboutForm *aboutForm;
     HelpForm *helpForm;
+    const bool saveAndQuit;
 };
 
 #endif // MAINWINDOW_HPP
-- 
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