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