[printergui] Add simple error-message displaying command line option

1 files changed, 18 insertions, 10 deletions

diff --git a/src/maingui/main.cpp b/src/maingui/main.cpp
index 53aa68f..c22ad7b 100644
--- a/src/maingui/main.cpp
+++ b/src/maingui/main.cpp
@@ -1,4 +1,5 @@
 #include <QApplication>
+#include <QMessageBox>
 #include <fstream>
 #include "printergui.h"
 #include <fcntl.h>
@@ -11,16 +12,23 @@ int main(int argc, char *argv[])
 		return 2;
 	}
 
-	// Check if file exists
-	int fh = open(argv[2], O_RDONLY);
-	if (fh < 0) {
-		fprintf(stderr, "ERROR: Could not open %s for reading..\n", argv[2]);
-		return 2;
-	}
-	close(fh);
-
 	QApplication a(argc, argv);
-	PrinterGui w(argv);
-	w.show();
+
+	if (strcmp(argv[1], "--error") == 0) {
+		QMessageBox::critical(NULL, "Verarbeitungsfehler", argv[2]);
+		return 0;
+	} else {
+		// Check if file exists
+		int fh = open(argv[2], O_RDONLY);
+		if (fh < 0) {
+			fprintf(stderr, "ERROR: Could not open %s for reading..\n", argv[2]);
+			return 2;
+		}
+		close(fh);
+
+		PrinterGui *w = new PrinterGui(argv);
+		w->show();
+	}
 	return a.exec();
 }
+