src/gtk/tooltip.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tooltip.cpp
   3 // Purpose:     wxToolTip implementation
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11     #pragma implementation "tooltip.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/setup.h"
  18
  19 #if wxUSE_TOOLTIPS
  20
  21 #include "wx/window.h"
  22 #include "wx/tooltip.h"
  23
  24 #include "wx/gtk/private.h"
  25
  26 //-----------------------------------------------------------------------------
  27 // global data
  28 //-----------------------------------------------------------------------------
  29
  30 static GtkTooltips *ss_tooltips = (GtkTooltips*) NULL;
  31
  32 //-----------------------------------------------------------------------------
  33 // wxToolTip
  34 //-----------------------------------------------------------------------------
  35
  36 IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
  37
  38 wxToolTip::wxToolTip( const wxString &tip )
  39 {
  40     m_text = tip;
  41     m_window = (wxWindow*) NULL;
  42 }
  43
  44 void wxToolTip::SetTip( const wxString &tip )
  45 {
  46     m_text = tip;
  47     Apply( m_window );
  48 }
  49
  50 void wxToolTip::Apply( wxWindow *win )
  51 {
  52     if (!win) return;
  53
  54     if (!ss_tooltips)
  55     {
  56         ss_tooltips = gtk_tooltips_new();
  57     }
  58
  59     m_window = win;
  60
  61     if (m_text.IsEmpty())
  62         m_window->ApplyToolTip( ss_tooltips, (wxChar*) NULL );
  63     else
  64         m_window->ApplyToolTip( ss_tooltips, m_text );
  65 }
  66
  67 void wxToolTip::Enable( bool flag )
  68 {
  69     if (!ss_tooltips) return;
  70
  71     if (flag)
  72         gtk_tooltips_enable( ss_tooltips );
  73     else
  74         gtk_tooltips_disable( ss_tooltips );
  75 }
  76
  77 void wxToolTip::SetDelay( long msecs )
  78 {
  79     if (!ss_tooltips)
  80         return;
  81
  82     gtk_tooltips_set_delay( ss_tooltips, (int)msecs );
  83 }
  84
  85 #endif
  86