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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: dataobj.cpp | |
3 | // Purpose: wxDataObject class | |
4 | // Author: Julian Smart | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Julian Smart | |
7 | // Licence: wxWindows licence | |
8 | /////////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #ifdef __GNUG__ | |
11 | #pragma implementation "dataobj.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/defs.h" | |
15 | ||
16 | #if wxUSE_CLIPBOARD | |
17 | ||
18 | #include "wx/dataobj.h" | |
19 | #include "wx/app.h" | |
20 | ||
21 | #ifdef __VMS__ | |
22 | #pragma message disable nosimpint | |
23 | #endif | |
83df96d6 JS |
24 | #ifdef __VMS__ |
25 | #pragma message enable nosimpint | |
26 | #endif | |
27 | #include "wx/utils.h" | |
7266b672 | 28 | #include "wx/x11/private.h" |
83df96d6 JS |
29 | |
30 | //------------------------------------------------------------------------- | |
31 | // global data | |
32 | //------------------------------------------------------------------------- | |
33 | ||
34 | Atom g_textAtom = 0; | |
35 | Atom g_pngAtom = 0; | |
36 | Atom g_fileAtom = 0; | |
37 | ||
38 | //------------------------------------------------------------------------- | |
39 | // wxDataFormat | |
40 | //------------------------------------------------------------------------- | |
41 | ||
42 | wxDataFormat::wxDataFormat() | |
43 | { | |
44 | // do *not* call PrepareFormats() from here for 2 reasons: | |
45 | // | |
46 | // 1. we will have time to do it later because some other Set function | |
47 | // must be called before we really need them | |
48 | // | |
49 | // 2. doing so prevents us from declaring global wxDataFormats because | |
50 | // calling PrepareFormats (and thus gdk_atom_intern) before GDK is | |
51 | // initialised will result in a crash | |
52 | m_type = wxDF_INVALID; | |
53 | m_format = (Atom) 0; | |
54 | } | |
55 | ||
56 | wxDataFormat::wxDataFormat( wxDataFormatId type ) | |
57 | { | |
58 | PrepareFormats(); | |
59 | SetType( type ); | |
60 | } | |
61 | ||
62 | wxDataFormat::wxDataFormat( const wxChar *id ) | |
63 | { | |
64 | PrepareFormats(); | |
65 | SetId( id ); | |
66 | } | |
67 | ||
68 | wxDataFormat::wxDataFormat( const wxString &id ) | |
69 | { | |
70 | PrepareFormats(); | |
71 | SetId( id ); | |
72 | } | |
73 | ||
74 | wxDataFormat::wxDataFormat( NativeFormat format ) | |
75 | { | |
76 | PrepareFormats(); | |
77 | SetId( format ); | |
78 | } | |
79 | ||
80 | void wxDataFormat::SetType( wxDataFormatId type ) | |
81 | { | |
82 | PrepareFormats(); | |
83 | m_type = type; | |
84 | ||
85 | if (m_type == wxDF_TEXT) | |
86 | m_format = g_textAtom; | |
87 | else | |
88 | if (m_type == wxDF_BITMAP) | |
89 | m_format = g_pngAtom; | |
90 | else | |
91 | if (m_type == wxDF_FILENAME) | |
92 | m_format = g_fileAtom; | |
93 | else | |
94 | { | |
95 | wxFAIL_MSG( wxT("invalid dataformat") ); | |
96 | } | |
97 | } | |
98 | ||
99 | wxDataFormatId wxDataFormat::GetType() const | |
100 | { | |
101 | return m_type; | |
102 | } | |
103 | ||
104 | wxString wxDataFormat::GetId() const | |
105 | { | |
106 | char *t = XGetAtomName ((Display*) wxGetDisplay(), m_format); | |
107 | wxString ret( t ); // this will convert from ascii to Unicode | |
108 | if (t) | |
109 | XFree( t ); | |
110 | return ret; | |
111 | } | |
112 | ||
113 | void wxDataFormat::SetId( NativeFormat format ) | |
114 | { | |
115 | PrepareFormats(); | |
116 | m_format = format; | |
117 | ||
118 | if (m_format == g_textAtom) | |
119 | m_type = wxDF_TEXT; | |
120 | else | |
121 | if (m_format == g_pngAtom) | |
122 | m_type = wxDF_BITMAP; | |
123 | else | |
124 | if (m_format == g_fileAtom) | |
125 | m_type = wxDF_FILENAME; | |
126 | else | |
127 | m_type = wxDF_PRIVATE; | |
128 | } | |
129 | ||
130 | void wxDataFormat::SetId( const wxChar *id ) | |
131 | { | |
132 | PrepareFormats(); | |
133 | m_type = wxDF_PRIVATE; | |
134 | wxString tmp( id ); | |
135 | m_format = XInternAtom( (Display*) wxGetDisplay(), wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for? | |
136 | } | |
137 | ||
138 | void wxDataFormat::PrepareFormats() | |
139 | { | |
140 | if (!g_textAtom) | |
141 | g_textAtom = XInternAtom( (Display*) wxGetDisplay(), "STRING", FALSE ); | |
142 | if (!g_pngAtom) | |
143 | g_pngAtom = XInternAtom( (Display*) wxGetDisplay(), "image/png", FALSE ); | |
144 | if (!g_fileAtom) | |
145 | g_fileAtom = XInternAtom( (Display*) wxGetDisplay(), "file:ALL", FALSE ); | |
146 | } | |
147 | ||
148 | #if 0 | |
149 | ||
150 | // ---------------------------------------------------------------------------- | |
151 | // wxPrivateDataObject | |
152 | // ---------------------------------------------------------------------------- | |
153 | ||
154 | IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject ) | |
155 | ||
156 | void wxPrivateDataObject::Free() | |
157 | { | |
158 | if ( m_data ) | |
159 | free(m_data); | |
160 | } | |
161 | ||
162 | wxPrivateDataObject::wxPrivateDataObject() | |
163 | { | |
164 | wxString id = wxT("application/"); | |
165 | id += wxTheApp->GetAppName(); | |
166 | ||
167 | m_format.SetId( id ); | |
168 | ||
169 | m_size = 0; | |
170 | m_data = (void *)NULL; | |
171 | } | |
172 | ||
173 | void wxPrivateDataObject::SetData( const void *data, size_t size ) | |
174 | { | |
175 | Free(); | |
176 | ||
177 | m_size = size; | |
178 | m_data = malloc(size); | |
179 | ||
180 | memcpy( m_data, data, size ); | |
181 | } | |
182 | ||
183 | void wxPrivateDataObject::WriteData( void *dest ) const | |
184 | { | |
185 | WriteData( m_data, dest ); | |
186 | } | |
187 | ||
188 | size_t wxPrivateDataObject::GetSize() const | |
189 | { | |
190 | return m_size; | |
191 | } | |
192 | ||
193 | void wxPrivateDataObject::WriteData( const void *data, void *dest ) const | |
194 | { | |
195 | memcpy( dest, data, GetSize() ); | |
196 | } | |
197 | ||
198 | #endif // 0 | |
199 | ||
200 | #endif // wxUSE_CLIPBOARD |