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 extern GdkFont *GtkGetDefaultGuiFont();
  25
  26 //-----------------------------------------------------------------------------
  27 // global data
  28 //-----------------------------------------------------------------------------
  29
  30 static GtkTooltips *ss_tooltips = (GtkTooltips*) NULL;
  31 static GdkColor     ss_bg;
  32 static GdkColor     ss_fg;
  33
  34 //-----------------------------------------------------------------------------
  35 // wxToolTip
  36 //-----------------------------------------------------------------------------
  37
  38 wxToolTip::wxToolTip( const wxString &tip )
  39 {
  40     m_text = tip;
  41     m_window = (wxWindow*) NULL;
  42 }
  43
  44 void wxToolTip::SetTip( const wxString &tip )
  45 {
  46     m_text = tip;
  47     Apply( m_window );
  48 }
  49
  50 void wxToolTip::Apply( wxWindow *win )
  51 {
  52     if (!win) return;
  53
  54     if (!ss_tooltips)
  55     {
  56         ss_tooltips = gtk_tooltips_new();
  57
  58         ss_fg.red = 0;
  59         ss_fg.green = 0;
  60         ss_fg.blue = 0;
  61         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_fg );
  62
  63         ss_bg.red = 65535;
  64         ss_bg.green = 65535;
  65         ss_bg.blue = 50000;
  66         gdk_color_alloc( gtk_widget_get_default_colormap(), &ss_bg );
  67
  68 #if (GTK_MINOR_VERSION > 0)
  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         gdk_font_unref( g_style->font );
  78             g_style->font = gdk_font_ref( GtkGetDefaultGuiFont() );
  79
  80         gtk_widget_set_style( ss_tooltips->tip_window, g_style );
  81 #else
  82         gtk_tooltips_set_colors( ss_tooltips, &ss_bg, &ss_fg );
  83 #endif
  84     }
  85
  86     m_window = win;
  87
  88     if (m_text.IsEmpty())
  89         m_window->ApplyToolTip( ss_tooltips, (wxChar*) NULL );
  90     else
  91         m_window->ApplyToolTip( ss_tooltips, m_text );
  92 }
  93
  94 void wxToolTip::Enable( bool flag )
  95 {
  96     if (!ss_tooltips) return;
  97
  98     if (flag)
  99         gtk_tooltips_enable( ss_tooltips );
 100     else
 101         gtk_tooltips_disable( ss_tooltips );
 102 }
 103
 104 void wxToolTip::SetDelay( long msecs )
 105 {
 106     if (!ss_tooltips)
 107         return;
 108
 109     gtk_tooltips_set_delay( ss_tooltips, (int)msecs );
 110 }
 111
 112 #endif
 113