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