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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/motif/dataobj.cpp | |
3 | // Purpose: wxDataObject class | |
4 | // Author: Julian Smart | |
5 | // Copyright: (c) 1998 Julian Smart | |
6 | // Licence: wxWindows licence | |
7 | /////////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | // For compilers that support precompilation, includes "wx.h". | |
10 | #include "wx/wxprec.h" | |
11 | ||
12 | #if wxUSE_CLIPBOARD | |
13 | ||
14 | #include "wx/dataobj.h" | |
15 | ||
16 | #ifndef WX_PRECOMP | |
17 | #include "wx/app.h" | |
18 | #include "wx/utils.h" | |
19 | #endif | |
20 | ||
21 | #ifdef __VMS__ | |
22 | #pragma message disable nosimpint | |
23 | #endif | |
24 | #include <Xm/Xm.h> | |
25 | #ifdef __VMS__ | |
26 | #pragma message enable nosimpint | |
27 | #endif | |
28 | ||
29 | #include "wx/motif/private.h" | |
30 | ||
31 | //------------------------------------------------------------------------- | |
32 | // global data | |
33 | //------------------------------------------------------------------------- | |
34 | ||
35 | Atom g_textAtom = 0; | |
36 | Atom g_bitmapAtom = 0; | |
37 | Atom g_fileAtom = 0; | |
38 | ||
39 | //------------------------------------------------------------------------- | |
40 | // wxDataFormat | |
41 | //------------------------------------------------------------------------- | |
42 | ||
43 | wxDataFormat::wxDataFormat() | |
44 | { | |
45 | // do *not* call PrepareFormats() from here for 2 reasons: | |
46 | // | |
47 | // 1. we will have time to do it later because some other Set function | |
48 | // must be called before we really need them | |
49 | // | |
50 | // 2. doing so prevents us from declaring global wxDataFormats because | |
51 | // calling PrepareFormats (and thus gdk_atom_intern) before GDK is | |
52 | // initialised will result in a crash | |
53 | m_type = wxDF_INVALID; | |
54 | m_format = (Atom) 0; | |
55 | } | |
56 | ||
57 | wxDataFormat::wxDataFormat( wxDataFormatId type ) | |
58 | { | |
59 | PrepareFormats(); | |
60 | SetType( type ); | |
61 | } | |
62 | ||
63 | wxDataFormat::wxDataFormat( const wxString &id ) | |
64 | { | |
65 | PrepareFormats(); | |
66 | SetId( id ); | |
67 | } | |
68 | ||
69 | wxDataFormat::wxDataFormat( NativeFormat format ) | |
70 | { | |
71 | PrepareFormats(); | |
72 | SetId( format ); | |
73 | } | |
74 | ||
75 | void wxDataFormat::SetType( wxDataFormatId type ) | |
76 | { | |
77 | PrepareFormats(); | |
78 | m_type = type; | |
79 | ||
80 | if (m_type == wxDF_TEXT) | |
81 | m_format = g_textAtom; | |
82 | else | |
83 | if (m_type == wxDF_BITMAP) | |
84 | m_format = g_bitmapAtom; | |
85 | else | |
86 | if (m_type == wxDF_FILENAME) | |
87 | m_format = g_fileAtom; | |
88 | else | |
89 | { | |
90 | wxFAIL_MSG( wxT("invalid dataformat") ); | |
91 | } | |
92 | } | |
93 | ||
94 | wxDataFormatId wxDataFormat::GetType() const | |
95 | { | |
96 | return m_type; | |
97 | } | |
98 | ||
99 | wxString wxDataFormat::GetId() const | |
100 | { | |
101 | char *t = XGetAtomName ((Display*) wxGetDisplay(), m_format); | |
102 | wxString ret( t ); // this will convert from ascii to Unicode | |
103 | if (t) | |
104 | XFree( t ); | |
105 | return ret; | |
106 | } | |
107 | ||
108 | void wxDataFormat::SetId( NativeFormat format ) | |
109 | { | |
110 | PrepareFormats(); | |
111 | m_format = format; | |
112 | ||
113 | if (m_format == g_textAtom) | |
114 | m_type = wxDF_TEXT; | |
115 | else | |
116 | if (m_format == g_bitmapAtom) | |
117 | m_type = wxDF_BITMAP; | |
118 | else | |
119 | if (m_format == g_fileAtom) | |
120 | m_type = wxDF_FILENAME; | |
121 | else | |
122 | m_type = wxDF_PRIVATE; | |
123 | } | |
124 | ||
125 | void wxDataFormat::SetId( const wxString& id ) | |
126 | { | |
127 | PrepareFormats(); | |
128 | m_type = wxDF_PRIVATE; | |
129 | m_format = XInternAtom( wxGlobalDisplay(), | |
130 | id.mbc_str(), False ); | |
131 | } | |
132 | ||
133 | void wxDataFormat::PrepareFormats() | |
134 | { | |
135 | if (!g_textAtom) | |
136 | g_textAtom = XInternAtom( wxGlobalDisplay(), "STRING", False ); | |
137 | if (!g_bitmapAtom) | |
138 | g_bitmapAtom = XInternAtom( wxGlobalDisplay(), "PIXMAP", False ); | |
139 | if (!g_fileAtom) | |
140 | g_fileAtom = XInternAtom( wxGlobalDisplay(), "file:ALL", False ); | |
141 | } | |
142 | ||
143 | // ---------------------------------------------------------------------------- | |
144 | // wxDataObject | |
145 | // ---------------------------------------------------------------------------- | |
146 | ||
147 | wxDataObject::~wxDataObject() | |
148 | { | |
149 | } | |
150 | ||
151 | // ---------------------------------------------------------------------------- | |
152 | // wxBitmapDataObject | |
153 | // ---------------------------------------------------------------------------- | |
154 | ||
155 | size_t wxBitmapDataObject::GetDataSize() const | |
156 | { | |
157 | return sizeof(Pixmap); | |
158 | } | |
159 | ||
160 | bool wxBitmapDataObject::GetDataHere(void* buf) const | |
161 | { | |
162 | if( !GetBitmap().IsOk() ) | |
163 | return false; | |
164 | ||
165 | (*(Pixmap*)buf) = (Pixmap)GetBitmap().GetDrawable(); | |
166 | ||
167 | return true; | |
168 | } | |
169 | ||
170 | bool wxBitmapDataObject::SetData(size_t len, const void* buf) | |
171 | { | |
172 | if( len != sizeof(Pixmap) ) | |
173 | return false; | |
174 | ||
175 | WXPixmap pixmap = (WXPixmap)*(Pixmap*)buf; | |
176 | ||
177 | m_bitmap.Create( pixmap ); | |
178 | ||
179 | return true; | |
180 | } | |
181 | ||
182 | #endif // wxUSE_CLIPBOARD |