include/wx/msw/tooltip.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/tooltip.h
   3 // Purpose:     wxToolTip class - tooltip control
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     31.01.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Robert Roebling, Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSW_TOOLTIP_H_
  13 #define _WX_MSW_TOOLTIP_H_
  14
  15 #include "wx/object.h"
  16
  17 class WXDLLIMPEXP_FWD_CORE wxWindow;
  18
  19 class WXDLLIMPEXP_CORE wxToolTip : public wxObject
  20 {
  21 public:
  22     // ctor & dtor
  23     wxToolTip(const wxString &tip);
  24     virtual ~wxToolTip();
  25
  26     // accessors
  27         // tip text
  28     void SetTip(const wxString& tip);
  29     const wxString& GetTip() const { return m_text; }
  30
  31         // the window we're associated with
  32     void SetWindow(wxWindow *win);
  33     wxWindow *GetWindow() const { return m_window; }
  34
  35     // controlling tooltip behaviour: globally change tooltip parameters
  36         // enable or disable the tooltips globally
  37     static void Enable(bool flag);
  38         // set the delay after which the tooltip appears
  39     static void SetDelay(long milliseconds);
  40         // set the delay after which the tooltip disappears or how long the
  41         // tooltip remains visible
  42     static void SetAutoPop(long milliseconds);
  43         // set the delay between subsequent tooltips to appear
  44     static void SetReshow(long milliseconds);
  45         // set maximum width for the new tooltips: -1 disables wrapping
  46         // entirely, 0 restores the default behaviour
  47     static void SetMaxWidth(int width);
  48
  49     // implementation only from now on
  50     // -------------------------------
  51
  52     // should be called in responde to WM_MOUSEMOVE
  53     static void RelayEvent(WXMSG *msg);
  54
  55     // add a window to the tooltip control
  56     void Add(WXHWND hwnd);
  57
  58     // remove any tooltip from the window
  59     static void Remove(WXHWND hwnd);
  60
  61 private:
  62     // the one and only one tooltip control we use - never access it directly
  63     // but use GetToolTipCtrl() which will create it when needed
  64     static WXHWND ms_hwndTT;
  65
  66     // create the tooltip ctrl if it doesn't exist yet and return its HWND
  67     static WXHWND GetToolTipCtrl();
  68
  69     // new tooltip maximum width, defaults to min(display width, 400)
  70     static int ms_maxWidth;
  71
  72     // remove this tooltip from the tooltip control
  73     void Remove();
  74
  75     wxString  m_text;           // tooltip text
  76     wxWindow *m_window;         // window we're associated with
  77
  78     DECLARE_ABSTRACT_CLASS(wxToolTip)
  79     DECLARE_NO_COPY_CLASS(wxToolTip)
  80 };
  81
  82 #endif // _WX_MSW_TOOLTIP_H_