src/gtk/tooltip.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_TOOLTIPS
  14
  15 #include "wx/tooltip.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/window.h"
  19 #endif
  20
  21 #include "wx/gtk/private.h"
  22
  23 //-----------------------------------------------------------------------------
  24 // global data
  25 //-----------------------------------------------------------------------------
  26
  27 static GtkTooltips *ss_tooltips = (GtkTooltips*) NULL;
  28
  29 //-----------------------------------------------------------------------------
  30 // wxToolTip
  31 //-----------------------------------------------------------------------------
  32
  33 IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
  34
  35 wxToolTip::wxToolTip( const wxString &tip )
  36 {
  37     m_text = tip;
  38     m_window = (wxWindow*) NULL;
  39 }
  40
  41 void wxToolTip::SetTip( const wxString &tip )
  42 {
  43     m_text = tip;
  44     Apply( m_window );
  45 }
  46
  47 void wxToolTip::Apply( wxWindow *win )
  48 {
  49     if (!win) return;
  50
  51     if (!ss_tooltips)
  52     {
  53         ss_tooltips = gtk_tooltips_new();
  54     }
  55
  56     m_window = win;
  57
  58     if (m_text.empty())
  59         m_window->ApplyToolTip( ss_tooltips, (wxChar*) NULL );
  60     else
  61         m_window->ApplyToolTip( ss_tooltips, m_text );
  62 }
  63
  64 void wxToolTip::Enable( bool flag )
  65 {
  66     if (!ss_tooltips) return;
  67
  68     if (flag)
  69         gtk_tooltips_enable( ss_tooltips );
  70     else
  71         gtk_tooltips_disable( ss_tooltips );
  72 }
  73
  74 G_BEGIN_DECLS
  75 void gtk_tooltips_set_delay (GtkTooltips *tooltips,
  76                              guint delay);
  77 G_END_DECLS
  78
  79 void wxToolTip::SetDelay( long msecs )
  80 {
  81     if (!ss_tooltips)
  82         return;
  83
  84     // FIXME: This is a deprecated function and might not even have an effect.
  85     // Try to not use it, after which remove the prototype above.
  86     gtk_tooltips_set_delay( ss_tooltips, (int)msecs );
  87 }
  88
  89 #endif // wxUSE_TOOLTIPS