1 files changed, 100 insertions, 0 deletions
diff --git a/sw/source/uibase/shells/navsh.cxx b/sw/source/uibase/shells/navsh.cxx
new file mode 100644
index 0000000000..c34bebdbc7
--- /dev/null
+++ b/sw/source/uibase/shells/navsh.cxx
@@ -0,0 +1,100 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <cmdid.h>
+#include <svx/svdview.hxx>
+#include <svl/whiter.hxx>
+#include <sfx2/request.hxx>
+#include <sfx2/objface.hxx>
+#include <wrtsh.hxx>
+#include <view.hxx>
+#include <navsh.hxx>
+#define ShellClass_SwNavigationShell
+#include <swslots.hxx>
+#include <navmgr.hxx>
+
+SFX_IMPL_INTERFACE(SwNavigationShell, SwBaseShell)
+
+void SwNavigationShell::InitInterface_Impl() {}
+
+SwNavigationShell::SwNavigationShell(SwView& _rView)
+    : SwBaseShell(_rView)
+{
+    SetName("Navigation");
+}
+
+void SwNavigationShell::Execute(SfxRequest const& rReq)
+{
+    SwWrtShell* pSh = &GetShell();
+    SdrView* pSdrView = pSh->GetDrawView();
+    const SfxItemSet* pArgs = rReq.GetArgs();
+    const sal_uInt16 nSlotId = rReq.GetSlot();
+    bool bChanged = pSdrView->GetModel().IsChanged();
+    pSdrView->GetModel().SetChanged(false);
+    SwNavigationMgr& aSwNavigationMgr = pSh->GetNavigationMgr();
+    const SfxPoolItem* pItem;
+    if (pArgs)
+        pArgs->GetItemState(nSlotId, false, &pItem);
+
+    if (pSdrView->IsTextEdit())
+        pSh->EndTextEdit();
+    if (pSh->GetView().IsDrawMode())
+        pSh->GetView().LeaveDrawCreate();
+    pSh->EnterStdMode();
+
+    switch (nSlotId)
+    {
+        case FN_NAVIGATION_BACK:
+            aSwNavigationMgr.goBack();
+            break;
+
+        case FN_NAVIGATION_FORWARD:
+            aSwNavigationMgr.goForward();
+            break;
+        default:
+            break;
+    }
+    if (pSdrView->GetModel().IsChanged())
+        GetShell().SetModified();
+    else if (bChanged)
+        pSdrView->GetModel().SetChanged();
+}
+
+// determine if the buttons should be enabled/disabled
+
+void SwNavigationShell::GetState(SfxItemSet& rSet)
+{
+    SwWrtShell* pSh = &GetShell();
+    SfxWhichIter aIter(rSet);
+    sal_uInt16 nWhich = aIter.FirstWhich();
+    SwNavigationMgr& aNavigationMgr = pSh->GetNavigationMgr();
+    while (nWhich)
+    {
+        switch (nWhich)
+        {
+            case FN_NAVIGATION_BACK:
+                if (!aNavigationMgr.backEnabled())
+                {
+                    rSet.DisableItem(FN_NAVIGATION_BACK);
+                }
+                break;
+            case FN_NAVIGATION_FORWARD:
+                if (!aNavigationMgr.forwardEnabled())
+                {
+                    rSet.DisableItem(FN_NAVIGATION_FORWARD);
+                }
+                break;
+            default:
+                break;
+        }
+        nWhich = aIter.NextWhich();
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */