Git: Auto stash for branches

Allow user to handle local changes when switching branches.

Task-number: QTCREATORBUG-8417
Change-Id: I62d615aadfbd81c8ae03f3cd292b98773a36e1e7
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/branchcheckoutdialog.h

@@ -0,0 +1,45 @@
+#ifndef BRANCHCHECKOUTDIALOG_H
+#define BRANCHCHECKOUTDIALOG_H
+
+#include <QDialog>
+
+namespace Git {
+namespace Internal {
+
+namespace Ui {
+    class BranchCheckoutDialog;
+}
+
+class BranchCheckoutDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit BranchCheckoutDialog(QWidget *parent, const QString& currentBranch,
+                                  const QString& nextBranch);
+    ~BranchCheckoutDialog();
+
+    void foundNoLocalChanges();
+    void foundStashForNextBranch();
+
+    bool makeStashOfCurrentBranch();
+    bool moveLocalChangesToNextBranch();
+    bool discardLocalChanges();
+    bool popStashOfNextBranch();
+
+    bool hasStashForNextBranch();
+    bool hasLocalChanges();
+
+private slots:
+    void updatePopStashCheckBox(bool moveChangesChecked);
+
+private:
+    Ui::BranchCheckoutDialog *m_ui;
+    bool m_foundStashForNextBranch;
+    bool m_hasLocalChanges;
+};
+
+} // namespace Internal
+} // namespace Git
+
+#endif // BRANCHCHECKOUTDIALOG_H