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 #ifdef __GNUG__
  11     #pragma implementation "tooltip.h"
  12 #endif
  13
  14 #include "wx/setup.h"
  15
  16 #if wxUSE_TOOLTIPS
  17
  18 #include "wx/window.h"
  19 #include "wx/tooltip.h"
  20
  21 #include "gtk/gtk.h"
  22 #include "gdk/gdk.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // global data
  26 //-----------------------------------------------------------------------------
  27
  28 static GtkTooltips *ss_tooltips = (GtkTooltips*) NULL;
  29 static GdkColor     ss_bg;
  30 static GdkColor     ss_fg;
  31
  32 //-----------------------------------------------------------------------------
  33 // wxToolTip
  34 //-----------------------------------------------------------------------------
  35
  36 wxToolTip::wxToolTip( const wxString &tip )
  37 {
  38     m_text = tip;
  39     m_window = (wxWindow*) NULL;
  40 }
  41
  42 void wxToolTip::SetTip( const wxString &tip )
  43 {
  44     m_text = tip;
  45     Apply( m_window );
  46 }
  47
  48 void wxToolTip::Apply( wxWindow *win )
  49 {
  50     if (!win) return;
  51
  52     if (!ss_tooltips)
  53     {
  54         ss_tooltips = gtk_tooltips_new();
  55
  56         ss_fg.red = 0;
  57         ss_fg.green = 0;
  58         ss_fg.blue = 0;
  59         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_fg );
  60
  61         ss_bg.red = 65535;
  62         ss_bg.green = 65535;
  63         ss_bg.blue = 50000;
  64         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_bg );
  65
  66         gtk_tooltips_set_colors( ss_tooltips, &ss_bg, &ss_fg );
  67     }
  68
  69     m_window = win;
  70
  71     if (m_text.IsEmpty())
  72         m_window->ApplyToolTip( ss_tooltips, (char*) NULL );
  73     else
  74         m_window->ApplyToolTip( ss_tooltips, m_text );
  75 }
  76
  77 void wxToolTip::Enable( bool flag )
  78 {
  79     if (!ss_tooltips) return;
  80
  81     if (flag)
  82         gtk_tooltips_enable( ss_tooltips );
  83     else
  84         gtk_tooltips_disable( ss_tooltips );
  85 }
  86
  87 void wxToolTip::SetDelay( long msecs )
  88 {
  89     if (!ss_tooltips) return;
  90
  91     gtk_tooltips_set_delay( ss_tooltips, msecs );
  92 }
  93 #endif
  94