1 files changed, 75 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/view/SlsToolTip.hxx b/sd/source/ui/slidesorter/inc/view/SlsToolTip.hxx
new file mode 100644
index 0000000000..6c3557e647
--- /dev/null
+++ b/sd/source/ui/slidesorter/inc/view/SlsToolTip.hxx
@@ -0,0 +1,75 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <model/SlsSharedPageDescriptor.hxx>
+#include <rtl/ustring.hxx>
+#include <vcl/timer.hxx>
+
+namespace sd::slidesorter
+{
+class SlideSorter;
+}
+
+namespace sd::slidesorter::view
+{
+/** Manage the display of tool tips.  The tool tip text changes when the
+    mouse is moved from slide to slide or from button to button.
+    After the mouse enters a slide the first display of the tool tip is
+    delayed for a short time in order to not draw attention from the slide
+    or its button bar.
+*/
+class ToolTip
+{
+public:
+    ToolTip(SlideSorter& rSlideSorter);
+    ~ToolTip();
+
+    /** Set a new page.  This modifies the default help text.  After a page
+        change a timer is started to delay the display of the tool tip for
+        the new page.
+        @param rpPage
+            When this is empty then the tool tip is hidden.
+    */
+    void SetPage(const model::SharedPageDescriptor& rpPage);
+
+    /** Hide the tool tip.
+        @return
+            Returns whether the tool tip was visible at the time this method
+            was called.
+    */
+    bool Hide();
+
+private:
+    SlideSorter& mrSlideSorter;
+    model::SharedPageDescriptor mpDescriptor;
+    OUString msCurrentHelpText;
+    void* mnHelpWindowHandle;
+    Timer maShowTimer;
+    Timer maHiddenTimer;
+
+    void DoShow();
+
+    DECL_LINK(DelayTrigger, Timer*, void);
+};
+
+} // end of namespace ::sd::slidesorter::view
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */