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/window.h"
  15 #include "wx/tooltip.h"
  16
  17 #include "gtk/gtk.h"
  18 #include "gdk/gdk.h"
  19
  20 //-----------------------------------------------------------------------------
  21 // global data
  22 //-----------------------------------------------------------------------------
  23
  24 static GtkTooltips *ss_tooltips = (GtkTooltips*) NULL;
  25 static GdkColor     ss_bg;
  26 static GdkColor     ss_fg;
  27
  28 //-----------------------------------------------------------------------------
  29 // wxToolTip
  30 //-----------------------------------------------------------------------------
  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         ss_fg.red = 0;
  53         ss_fg.green = 0;
  54         ss_fg.blue = 0;
  55         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_fg );
  56
  57         ss_bg.red = 65535;
  58         ss_bg.green = 65535;
  59         ss_bg.blue = 50000;
  60         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_bg );
  61
  62         gtk_tooltips_set_colors( ss_tooltips, &ss_bg, &ss_fg );
  63     }
  64
  65     m_window = win;
  66
  67     if (m_text.IsEmpty())
  68         m_window->ApplyToolTip( ss_tooltips, (char*) NULL );
  69     else
  70         m_window->ApplyToolTip( ss_tooltips, m_text );
  71 }
  72
  73 void wxToolTip::Enable( bool flag )
  74 {
  75     if (!ss_tooltips) return;
  76
  77     if (flag)
  78         gtk_tooltips_enable( ss_tooltips );
  79     else
  80         gtk_tooltips_disable( ss_tooltips );
  81 }
  82
  83 void wxToolTip::SetDelay( long msecs )
  84 {
  85     if (!ss_tooltips) return;
  86
  87     gtk_tooltips_set_delay( ss_tooltips, msecs );
  88 }
  89