1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        src/gtk/tooltip.cpp
3 // Purpose:     wxToolTip implementation
4 // Author:      Robert Roebling
5 // Id:          $Id: tooltip.cpp 39041 2006-05-04 23:34:10Z VZ $
6 // Copyright:   (c) 1998 Robert Roebling
7 // Licence:     wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9 
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12 
13 #if wxUSE_TOOLTIPS
14 
15 #include "wx/tooltip.h"
16 
17 #ifndef WX_PRECOMP
18     #include "wx/window.h"
19 #endif
20 
21 #include "wx/gtk/private.h"
22 
23 //-----------------------------------------------------------------------------
24 // global data
25 //-----------------------------------------------------------------------------
26 
27 static GtkTooltips *gs_tooltips = (GtkTooltips*) NULL;
28 
29 //-----------------------------------------------------------------------------
30 // wxToolTip
31 //-----------------------------------------------------------------------------
32 
IMPLEMENT_ABSTRACT_CLASS(wxToolTip,wxObject)33 IMPLEMENT_ABSTRACT_CLASS(wxToolTip, wxObject)
34 
35 wxToolTip::wxToolTip( const wxString &tip )
36 {
37     m_text = tip;
38     m_window = (wxWindow*) NULL;
39 }
40 
SetTip(const wxString & tip)41 void wxToolTip::SetTip( const wxString &tip )
42 {
43     m_text = tip;
44     Apply( m_window );
45 }
46 
Apply(wxWindow * win)47 void wxToolTip::Apply( wxWindow *win )
48 {
49     if (!win)
50         return;
51 
52     if ( !gs_tooltips )
53         gs_tooltips = gtk_tooltips_new();
54 
55     m_window = win;
56 
57     if (m_text.empty())
58         m_window->ApplyToolTip( gs_tooltips, (wxChar*) NULL );
59     else
60         m_window->ApplyToolTip( gs_tooltips, m_text );
61 }
62 
63 /* static */
Apply(GtkWidget * w,const wxCharBuffer & tip)64 void wxToolTip::Apply(GtkWidget *w, const wxCharBuffer& tip)
65 {
66     if ( !gs_tooltips )
67         gs_tooltips = gtk_tooltips_new();
68 
69     gtk_tooltips_set_tip(gs_tooltips, w, tip, NULL);
70 }
71 
Enable(bool flag)72 void wxToolTip::Enable( bool flag )
73 {
74     if (!gs_tooltips)
75         return;
76 
77     if (flag)
78         gtk_tooltips_enable( gs_tooltips );
79     else
80         gtk_tooltips_disable( gs_tooltips );
81 }
82 
83 G_BEGIN_DECLS
84 void gtk_tooltips_set_delay (GtkTooltips *tooltips,
85                              guint delay);
86 G_END_DECLS
87 
SetDelay(long msecs)88 void wxToolTip::SetDelay( long msecs )
89 {
90     if (!gs_tooltips)
91         return;
92 
93     // FIXME: This is a deprecated function and might not even have an effect.
94     // Try to not use it, after which remove the prototype above.
95     gtk_tooltips_set_delay( gs_tooltips, (int)msecs );
96 }
97 
98 #endif // wxUSE_TOOLTIPS
99