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 "wx/gtk/private.h"
  22
  23 extern GdkFont *GtkGetDefaultGuiFont();
  24
  25 //-----------------------------------------------------------------------------
  26 // global data
  27 //-----------------------------------------------------------------------------
  28
  29 static GtkTooltips *ss_tooltips = (GtkTooltips*) NULL;
  30 static GdkColor     ss_bg;
  31 static GdkColor     ss_fg;
  32
  33 //-----------------------------------------------------------------------------
  34 // wxToolTip
  35 //-----------------------------------------------------------------------------
  36
  37 IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
  38
  39 wxToolTip::wxToolTip( const wxString &tip )
  40 {
  41     m_text = tip;
  42     m_window = (wxWindow*) NULL;
  43 }
  44
  45 void wxToolTip::SetTip( const wxString &tip )
  46 {
  47     m_text = tip;
  48     Apply( m_window );
  49 }
  50
  51 void wxToolTip::Apply( wxWindow *win )
  52 {
  53     if (!win) return;
  54
  55     if (!ss_tooltips)
  56     {
  57         ss_tooltips = gtk_tooltips_new();
  58
  59         ss_fg.red = 0;
  60         ss_fg.green = 0;
  61         ss_fg.blue = 0;
  62         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_fg );
  63
  64         ss_bg.red = 65535;
  65         ss_bg.green = 65535;
  66         ss_bg.blue = 50000;
  67         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_bg );
  68
  69         gtk_tooltips_force_window( ss_tooltips );
  70
  71         GtkStyle *g_style =
  72           gtk_style_copy(
  73             gtk_widget_get_style( ss_tooltips->tip_window ) );
  74
  75         g_style->fg[GTK_STATE_NORMAL] = ss_fg;
  76         g_style->bg[GTK_STATE_NORMAL] = ss_bg;
  77
  78         gtk_widget_set_style( ss_tooltips->tip_window, g_style );
  79     }
  80
  81     m_window = win;
  82
  83     if (m_text.IsEmpty())
  84         m_window->ApplyToolTip( ss_tooltips, (wxChar*) NULL );
  85     else
  86         m_window->ApplyToolTip( ss_tooltips, m_text );
  87 }
  88
  89 void wxToolTip::Enable( bool flag )
  90 {
  91     if (!ss_tooltips) return;
  92
  93     if (flag)
  94         gtk_tooltips_enable( ss_tooltips );
  95     else
  96         gtk_tooltips_disable( ss_tooltips );
  97 }
  98
  99 void wxToolTip::SetDelay( long msecs )
 100 {
 101     if (!ss_tooltips)
 102         return;
 103
 104     gtk_tooltips_set_delay( ss_tooltips, (int)msecs );
 105 }
 106
 107 #endif
 108