Make C++ code style configurable.

Change-Id: Iaf08edb2361146e6b5e1cbafdb716a23c938875b
Done-with: Jarek Kobus
Task-number: QTCREATORBUG-2670
Task-number: QTCREATORBUG-4310
Task-number: QTCREATORBUG-2763
Task-number: QTCREATORBUG-3623
Task-number: QTCREATORBUG-567
Reviewed-on: http://codereview.qt.nokia.com/74
Reviewed-by: Leandro T. C. Melo <leandro.melo@nokia.com>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@nokia.com>
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>

src/plugins/cpptools/cppcodestylesettings.h

@@ -0,0 +1,67 @@
+#ifndef CPPCODESTYLESETTINGS_H
+#define CPPCODESTYLESETTINGS_H
+
+#include "cpptools_global.h"
+
+#include <QtCore/QMetaType>
+#include <QtCore/QVariant>
+
+QT_BEGIN_NAMESPACE
+class QSettings;
+QT_END_NAMESPACE
+
+namespace CppTools {
+
+struct CPPTOOLS_EXPORT CppCodeStyleSettings
+{
+    CppCodeStyleSettings();
+
+    bool indentBlockBraces;
+    bool indentBlockBody;
+    bool indentClassBraces;
+    bool indentEnumBraces;
+    bool indentNamespaceBraces;
+    bool indentNamespaceBody;
+    bool indentAccessSpecifiers;
+    bool indentDeclarationsRelativeToAccessSpecifiers;
+    bool indentFunctionBody;
+    bool indentFunctionBraces;
+    bool indentSwitchLabels;
+    bool indentStatementsRelativeToSwitchLabels;
+    bool indentBlocksRelativeToSwitchLabels;
+    bool indentControlFlowRelativeToSwitchLabels;
+
+    // false: if (a &&
+    //            b)
+    //            c;
+    // true:  if (a &&
+    //                b)
+    //            c;
+    // but always: while (a &&
+    //                    b)
+    //                 foo;
+    bool extraPaddingForConditionsIfConfusingAlign;
+
+    // false: a = a +
+    //                b;
+    // true:  a = a +
+    //            b
+    bool alignAssignments;
+
+    void toSettings(const QString &category, QSettings *s) const;
+    void fromSettings(const QString &category, const QSettings *s);
+
+    void toMap(const QString &prefix, QVariantMap *map) const;
+    void fromMap(const QString &prefix, const QVariantMap &map);
+
+    bool equals(const CppCodeStyleSettings &rhs) const;
+};
+
+inline bool operator==(const CppCodeStyleSettings &s1, const CppCodeStyleSettings &s2) { return s1.equals(s2); }
+inline bool operator!=(const CppCodeStyleSettings &s1, const CppCodeStyleSettings &s2) { return !s1.equals(s2); }
+
+} // namespace CppTools
+
+Q_DECLARE_METATYPE(CppTools::CppCodeStyleSettings)
+
+#endif // CPPCODESTYLESETTINGS_H