BUGFIX: Use an INI file instead of the registry on Windows (More reliable)

Changelog

@@ -18,6 +18,7 @@
     - BUGFIX: Hide seeding torrents files priorities in Web UI
     - BUGFIX: The user can disable permanently recursive torrent download
     - BUGFIX: Peer Exchange status is now correctly reported
+    - BUGFIX: Use an INI file instead of the registry on Windows (More reliable)
     - COSMETIC: Display peers country name in tooltip
     - COSMETIC: Display number of torrents in transfers tab label
     - COSMETIC: Simplified program preferences

src/preferences.h

@@ -1081,8 +1081,6 @@ public:
       const QString version = versions.takeLast();
       qDebug("Detected possible Python v%s location", qPrintable(version));
       QString path = reg_python.value(version+"\\InstallPath\\Default", "").toString().replace("/", "\\");
-      if(path.isEmpty())
-          path = reg_python.value(version+"/InstallPath/Default", "").toString().replace("/", "\\");
       if(!path.isEmpty() && QDir(path).exists("python.exe")) {
         qDebug("Found python.exe at %s", qPrintable(path));
         return path;
@@ -1117,8 +1115,6 @@ public:
     }
     qDebug("Checking shell command");
     QString shell_command = settings.value("qBittorrent\\shell\\open\\command\\Default", "").toString();
-    if(shell_command.isEmpty())
-        shell_command = settings.value("qBittorrent/shell/open/command/Default", "").toString();
     qDebug("Shell command is: %s", qPrintable(shell_command));
     QRegExp exe_reg("\"([^\"]+)\".*");
     if(exe_reg.indexIn(shell_command) < 0)
@@ -1129,8 +1125,6 @@ public:
       return false;
     // Check magnet link assoc
     shell_command = settings.value("Magnet\\shell\\open\\command\\Default", "").toString();
-    if(shell_command.isEmpty())
-        shell_command = settings.value("Magnet/shell/open/command/Default", "").toString();
     if(exe_reg.indexIn(shell_command) < 0)
       return false;
     assoc_exe = exe_reg.cap(1);

src/qinisettings.h

@@ -0,0 +1,73 @@
+/*
+ * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#ifndef QINISETTINGS_H
+#define QINISETTINGS_H
+
+#include <QSettings>
+
+class QIniSettings : public QSettings {
+public:
+    QIniSettings(const QString &organization, const QString &application = QString(), QObject *parent = 0 ):
+#ifdef Q_WS_WIN
+            QSettings(QSettings::IniFormat, QSettings::UserScope, organization, application, parent)
+#else
+            QSettings(organization, application, parent)
+#endif
+    {
+
+    }
+
+#ifdef Q_WS_WIN
+    QVariant value(const QString & key, const QVariant &defaultValue = QVariant()) const {
+        QVariant ret = QSettings::value(key);
+        if(format() == QSettings::NativeFormat && ret.isNull()) {
+            // Fallback on Windows, use \ in key instead of /
+            if(key.contains("/")) {
+                ret = QSettings::value(key.replace("/", "\\"));
+            } else {
+                if(key.contains("\\")) {
+                    ret = QSettings::value(key.replace("\\", "/"));
+                }
+            }
+        }
+        if(ret.isNull())
+            return defaultValue;
+        return ret;
+    }
+
+    void setValue(const QString &key, const QVariant &val) {
+        key = key.replace("/", "\\");
+        QSettings::setValue(key, val);
+    }
+#endif
+};
+
+#endif // QINISETTINGS_H

src/src.pro

@@ -21,6 +21,9 @@ DEFINES += VERSION_MINOR=3
 DEFINES += VERSION_BUGFIX=0
 
 win32 {
+  # Don't use the system registry on Windows
+  DEFINES += QSettings QIniSettings
+
   # Adapt these paths on Windows
   INCLUDEPATH += $$quote(C:/qbittorrent/msvc/boost_1_42_0)
   INCLUDEPATH += $$quote(C:/qbittorrent/msvc/libtorrent-rasterbar-0.14.10/include)
@@ -287,7 +290,8 @@ HEADERS += misc.h \
            filesystemwatcher.h \
            preferences.h \
            bandwidthscheduler.h \
-           scannedfoldersmodel.h
+           scannedfoldersmodel.h \
+           qinisettings.h
 
 contains(DEFINES, DISABLE_GUI) {
   HEADERS += headlessloader.h