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 *gs_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)
  50         return;
  51
  52     if ( !gs_tooltips )
  53         gs_tooltips = gtk_tooltips_new();
  54
  55     m_window = win;
  56
  57     if (m_text.empty())
  58         m_window->ApplyToolTip( gs_tooltips, (wxChar*) NULL );
  59     else
  60         m_window->ApplyToolTip( gs_tooltips, m_text );
  61 }
  62
  63 /* static */
  64 void wxToolTip::Apply(GtkWidget *w, const wxCharBuffer& tip)
  65 {
  66     if ( !gs_tooltips )
  67         gs_tooltips = gtk_tooltips_new();
  68
  69     gtk_tooltips_set_tip(gs_tooltips, w, tip, NULL);
  70 }
  71
  72 void wxToolTip::Enable( bool flag )
  73 {
  74     if (!gs_tooltips)
  75         return;
  76
  77     if (flag)
  78         gtk_tooltips_enable( gs_tooltips );
  79     else
  80         gtk_tooltips_disable( gs_tooltips );
  81 }
  82
  83 G_BEGIN_DECLS
  84 void gtk_tooltips_set_delay (GtkTooltips *tooltips,
  85                              guint delay);
  86 G_END_DECLS
  87
  88 void wxToolTip::SetDelay( long msecs )
  89 {
  90     if (!gs_tooltips)
  91         return;
  92
  93     // FIXME: This is a deprecated function and might not even have an effect.
  94     // Try to not use it, after which remove the prototype above.
  95     gtk_tooltips_set_delay( gs_tooltips, (int)msecs );
  96 }
  97
  98 #endif // wxUSE_TOOLTIPS