sd/source/ui/slidesorter/inc/view/SlsToolTip.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  15  *   License, Version 2.0 (the "License"); you may not use this file
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  19
  20 #ifndef INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_VIEW_SLSTOOLTIP_HXX
  21 #define INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_VIEW_SLSTOOLTIP_HXX
  22
  23 #include <model/SlsSharedPageDescriptor.hxx>
  24 #include <rtl/ustring.hxx>
  25 #include <vcl/timer.hxx>
  26
  27 namespace sd { namespace slidesorter { class SlideSorter; } }
  28
  29 namespace sd { namespace slidesorter { namespace view {
  30
  31 /** Manage the display of tool tips.  The tool tip text changes when the
  32     mouse is moved from slide to slide or from button to button.
  33     After the mouse enters a slide the first display of the tool tip is
  34     delayed for a short time in order to not draw attention from the slide
  35     or its button bar.
  36 */
  37 class ToolTip
  38 {
  39 public:
  40     ToolTip (SlideSorter& rSlideSorter);
  41     ~ToolTip();
  42
  43     /** Set a new page.  This modifies the default help text.  After a page
  44         change a timer is started to delay the display of the tool tip for
  45         the new page.
  46         @param rpPage
  47             When this is empty then the tool tip is hidden.
  48     */
  49     void SetPage (const model::SharedPageDescriptor& rpPage);
  50
  51     /** Hide the tool tip.
  52         @return
  53             Returns whether the tool tip was visible at the time this method
  54             was called.
  55     */
  56     bool Hide();
  57
  58 private:
  59     SlideSorter& mrSlideSorter;
  60     model::SharedPageDescriptor mpDescriptor;
  61     OUString msCurrentHelpText;
  62     void* mnHelpWindowHandle;
  63     Timer maShowTimer;
  64     Timer maHiddenTimer;
  65
  66     void DoShow();
  67
  68     DECL_LINK(DelayTrigger, Timer*, void);
  69 };
  70
  71 } } } // end of namespace ::sd::slidesorter::view
  72
  73 #endif
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */