Mercurial plugin, merge request with suggested fixes.

src/plugins/mercurial/mercurialcontrol.h

@@ -0,0 +1,41 @@
+#ifndef MERCURIALCONTROL_H
+#define MERCURIALCONTROL_H
+
+#include <coreplugin/iversioncontrol.h>
+
+namespace Mercurial {
+namespace Internal {
+
+class MercurialClient;
+
+//Implements just the basics of the Version Control Interface
+//MercurialClient handles all the work
+class MercurialControl: public Core::IVersionControl
+{
+    Q_OBJECT
+public:
+    explicit MercurialControl(MercurialClient *mercurialClient);
+
+    QString name() const;
+    bool isEnabled() const;
+    void setEnabled(bool enabled);
+    bool managesDirectory(const QString &filename) const;
+    QString findTopLevelForDirectory(const QString &directory) const;
+    bool supportsOperation(Operation operation) const;
+    bool vcsOpen(const QString &fileName);
+    bool vcsAdd(const QString &filename);
+    bool vcsDelete(const QString &filename);
+    bool sccManaged(const QString &filename);
+
+signals:
+    void enabledChanged(bool);
+
+private:
+    MercurialClient *mercurialClient;
+    bool mercurialEnabled;
+};
+
+} //namespace Internal
+} //namespace Mercurial
+
+#endif // MERCURIALCONTROL_H