src/os2/tooltip.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/tooltip.cpp
   3 // Purpose:     wxToolTip class implementation for MSW
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/17/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/wx.h"
  24 #endif
  25
  26 #if wxUSE_TOOLTIPS
  27
  28 #include "wx/tooltip.h"
  29 #include "wx/os2/private.h"
  30
  31 // ----------------------------------------------------------------------------
  32 // global variables
  33 // ----------------------------------------------------------------------------
  34
  35 // ----------------------------------------------------------------------------
  36 // ctor & dtor
  37 // ----------------------------------------------------------------------------
  38
  39 wxToolTip::wxToolTip(
  40   const wxString&                   rsTip
  41 )
  42 : m_sText(rsTip)
  43 , m_pWindow(NULL)
  44 {
  45     Create(rsTip);
  46 } // end of wxToolTip::wxToolTip
  47
  48 wxToolTip::~wxToolTip()
  49 {
  50     if (m_hWnd)
  51         ::WinDestroyWindow(m_hWnd);
  52 } // end of wxToolTip::~wxToolTip
  53
  54 void wxToolTip::Create(
  55   const wxString&                   rsTip
  56 )
  57 {
  58     ULONG                           lStyle = ES_READONLY | ES_MARGIN | ES_CENTER;
  59     LONG                            lColor;
  60     char                            zFont[128];
  61
  62     m_hWnd = ::WinCreateWindow( HWND_DESKTOP
  63                                ,WC_ENTRYFIELD
  64                                ,rsTip.c_str()
  65                                ,lStyle
  66                                ,0, 0, 0, 0
  67                                ,NULLHANDLE
  68                                ,HWND_TOP
  69                                ,1
  70                                ,NULL
  71                                ,NULL
  72                               );
  73     if (!m_hWnd)
  74         wxLogError("Unable to create tooltip window");
  75
  76     wxColour                        vColor( wxT("YELLOW") );
  77     lColor = (LONG)vColor.GetPixel();
  78     ::WinSetPresParam( m_hWnd
  79                       ,PP_BACKGROUNDCOLOR
  80                       ,sizeof(LONG)
  81                       ,(PVOID)&lColor
  82                      );
  83     strcpy(zFont, "8.Helv");
  84     ::WinSetPresParam( m_hWnd
  85                       ,PP_FONTNAMESIZE
  86                       ,strlen(zFont) + 1
  87                       ,(PVOID)zFont
  88                      );
  89 } // end of wxToolTip::Create
  90
  91 void wxToolTip::DisplayToolTipWindow(
  92   const wxPoint&                    rPoint
  93 )
  94 {
  95     LONG                            lX = rPoint.x;
  96     LONG                            lY = rPoint.y - 30;
  97     LONG                            lWidth = 0L;
  98     LONG                            lHeight = 0L;
  99
 100     lWidth = m_sText.Length() * 8;
 101     lHeight = 15;
 102     ::WinSetWindowPos( m_hWnd
 103                       ,HWND_TOP
 104                       ,lX
 105                       ,lY
 106                       ,lWidth
 107                       ,lHeight
 108                       ,SWP_MOVE | SWP_SIZE | SWP_SHOW
 109                      );
 110 } // end of wxToolTip::DisplayToolTipWindow
 111
 112 void wxToolTip::HideToolTipWindow()
 113 {
 114     ::WinShowWindow(m_hWnd, FALSE);
 115 } // end of wxToolTip::HideToolTipWindow
 116
 117 void wxToolTip::SetTip(
 118   const wxString&                   rsTip
 119 )
 120 {
 121     SWP                             vSwp;
 122     LONG                            lWidth = 0L;
 123     LONG                            lHeight = 0L;
 124
 125     ::WinQueryWindowPos(m_hWnd, &vSwp);
 126     m_sText = rsTip;
 127     lWidth = rsTip.Length() * 8;
 128     lHeight = 15;
 129     ::WinSetWindowPos( m_hWnd
 130                       ,HWND_TOP
 131                       ,vSwp.cx
 132                       ,vSwp.cy
 133                       ,lWidth
 134                       ,lHeight
 135                       ,SWP_MOVE | SWP_SIZE | SWP_SHOW
 136                      );
 137 } // end of wxToolTip::SetTip
 138
 139 #endif // wxUSE_TOOLTIPS