From 49a09415cdbbfa925a95e42115ef107aed7d0aa7 Mon Sep 17 00:00:00 2001
From: Pepa Rokos <pepa@bukova.info>
Date: Wed, 8 Mar 2017 14:43:53 +0100
Subject: [PATCH] Added POS printer support in Windows.

---
 shop/receiptgenerator.cpp | 46 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/shop/receiptgenerator.cpp b/shop/receiptgenerator.cpp
index daeafa4..cd62dfd 100644
--- a/shop/receiptgenerator.cpp
+++ b/shop/receiptgenerator.cpp
@@ -5,6 +5,11 @@
 #include <QTextCodec>
 #include <QFile>
 
+#ifdef _WIN32
+#include <Windows.h>
+#include <winspool.h>
+#endif
+
 const QString ReceiptGenerator::DIACRITIC = "ÂâÁáÄäĂ㥹ĆćČčÇçĎďĐđÉéËëĚěĘęÍíÎîĹ弾ŁłŃńŇňÓóÖöÔôŐőŔŕŘřŚśŠšŞşŤťŢţÚúÜüŮůŰűÝýŹźŽžŻż";
 const QString ReceiptGenerator::NON_DIACRITIC = "AaAaAaAaAaCcCcCcDdDdEeEeEeEeIiIiLlLlLlNnNnOoOoOoOoRrRrSsSsSsTtTtUuUuUuUuYyZzZzZz";
 
@@ -43,7 +48,48 @@ void ReceiptGenerator::save()
 
 void ReceiptGenerator::print()
 {
+#ifdef _WIN32
+    SettingsService srvShopSettings("SHOP");
+    ShopSettingsPtr shopSettings = srvShopSettings.loadSettings<ShopSettings>();
+    QString printer = shopSettings->output();
+
+    HANDLE hPrinter;
+    DOC_INFO_1 docInfo;
+    DWORD dwJob;
+    DWORD dwBytes;
+    BOOL bStatus = FALSE;
+
+    if (OpenPrinter((LPWSTR)printer.toStdWString().c_str(), &hPrinter, NULL))
+    {
+        docInfo.pDocName = L"Uctenka";
+        docInfo.pOutputFile = NULL;
+        docInfo.pDatatype = L"RAW";
+
+        dwJob = StartDocPrinter(hPrinter, 1, (LPBYTE)&docInfo);
+        if (dwJob > 0)
+        {
+            if (!StartPagePrinter(hPrinter))
+            {
+                ClosePrinter(hPrinter);
+                return;
+            }
+            QByteArray data = generate();
+            BOOL bPrinted = WritePrinter(hPrinter, (LPBYTE)data.data(), data.length(), &dwBytes);
+            EndPagePrinter(hPrinter);
+            EndDocPrinter(hPrinter);
+
+            if (!bPrinted)
+            {
+                DWORD dwErr = GetLastError();
+                int i = 1;
+            }
+        }
+    }
+
+    ClosePrinter(hPrinter);
+#else
     save();
+#endif
 }
 
 QString ReceiptGenerator::outputFile() const