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 #if (GTK_MINOR_VERSION > 0)
  67         gtk_tooltips_force_window( ss_tooltips );
  68
  69         GtkStyle *g_style =
  70           gtk_style_copy(
  71             gtk_widget_get_style( ss_tooltips->tip_window ) );
  72
  73         g_style->fg[GTK_STATE_NORMAL] = ss_fg;
  74         g_style->bg[GTK_STATE_NORMAL] = ss_bg;
  75
  76         gtk_widget_set_style( ss_tooltips->tip_window, g_style );
  77 #else
  78         gtk_tooltips_set_colors( ss_tooltips, &ss_bg, &ss_fg );
  79 #endif
  80     }
  81
  82     m_window = win;
  83
  84     if (m_text.IsEmpty())
  85         m_window->ApplyToolTip( ss_tooltips, (wxChar*) NULL );
  86     else
  87         m_window->ApplyToolTip( ss_tooltips, m_text );
  88 }
  89
  90 void wxToolTip::Enable( bool flag )
  91 {
  92     if (!ss_tooltips) return;
  93
  94     if (flag)
  95         gtk_tooltips_enable( ss_tooltips );
  96     else
  97         gtk_tooltips_disable( ss_tooltips );
  98 }
  99
 100 void wxToolTip::SetDelay( long msecs )
 101 {
 102     if (!ss_tooltips) return;
 103
 104     gtk_tooltips_set_delay( ss_tooltips, msecs );
 105 }
 106 #endif
 107