Fixes: Start a git branch dialog.

src/plugins/git/branchmodel.h

@@ -0,0 +1,58 @@
+#ifndef BRANCHMODEL_H
+#define BRANCHMODEL_H
+
+#include <QtCore/QAbstractListModel>
+#include <QtCore/QList>
+
+namespace Git {
+    namespace Internal {
+
+class GitClient;
+
+/* A model to list git branches in a simple list of branch names. Local
+ * branches will have a read-only checkbox indicating the current one. The
+ * [delayed] tooltip describes the latest commit. */
+
+class BranchModel : public QAbstractListModel {
+public:
+    enum Type { LocalBranches, RemoteBranches };
+
+    explicit BranchModel(GitClient *client,
+                         Type type = LocalBranches,
+                         QObject *parent = 0);
+
+    bool refresh(const QString &workingDirectory, QString *errorMessage);
+
+    int currentBranch() const;
+    QString branchName(int row) const;
+
+    // QAbstractListModel
+    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
+
+private:
+    QString toolTip(const QString &sha) const;
+
+    struct Branch {
+        bool parse(const QString &line, bool *isCurrent);
+
+        QString name;
+        QString currentSHA;
+        mutable QString toolTip;
+    };
+    typedef QList<Branch> BranchList;
+
+    const Type m_type;
+    const Qt::ItemFlags m_flags;
+    GitClient *m_client;
+
+    QString m_workingDirectory;
+    BranchList m_branches;
+    int m_currentBranch;
+};
+
+}
+}
+
+#endif // BRANCHMODEL_H