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[wxWidgets.git] / src / motif / dataobj.cpp
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dc63c944 1///////////////////////////////////////////////////////////////////////////////
7520f3da 2// Name: src/motif/dataobj.cpp
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3// Purpose: wxDataObject class
4// Author: Julian Smart
5// Id: $Id$
6// Copyright: (c) 1998 Julian Smart
65571936 7// Licence: wxWindows licence
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8///////////////////////////////////////////////////////////////////////////////
9
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10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
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13#if wxUSE_CLIPBOARD
14
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15#include "wx/dataobj.h"
16#include "wx/app.h"
dd38c875 17#include "wx/utils.h"
dc63c944 18
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19#ifdef __VMS__
20#pragma message disable nosimpint
21#endif
da175b2c 22#include <Xm/Xm.h>
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23#ifdef __VMS__
24#pragma message enable nosimpint
25#endif
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26
27#include "wx/motif/private.h"
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28
29//-------------------------------------------------------------------------
30// global data
31//-------------------------------------------------------------------------
32
76db86e7 33Atom g_textAtom = 0;
dd38c875 34Atom g_bitmapAtom = 0;
76db86e7 35Atom g_fileAtom = 0;
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36
37//-------------------------------------------------------------------------
38// wxDataFormat
39//-------------------------------------------------------------------------
40
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41wxDataFormat::wxDataFormat()
42{
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43 // do *not* call PrepareFormats() from here for 2 reasons:
44 //
45 // 1. we will have time to do it later because some other Set function
46 // must be called before we really need them
47 //
48 // 2. doing so prevents us from declaring global wxDataFormats because
49 // calling PrepareFormats (and thus gdk_atom_intern) before GDK is
50 // initialised will result in a crash
da175b2c 51 m_type = wxDF_INVALID;
76db86e7 52 m_format = (Atom) 0;
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53}
54
55wxDataFormat::wxDataFormat( wxDataFormatId type )
56{
76db86e7 57 PrepareFormats();
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58 SetType( type );
59}
60
61wxDataFormat::wxDataFormat( const wxChar *id )
62{
76db86e7 63 PrepareFormats();
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64 SetId( id );
65}
66
67wxDataFormat::wxDataFormat( const wxString &id )
68{
76db86e7 69 PrepareFormats();
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70 SetId( id );
71}
72
76db86e7 73wxDataFormat::wxDataFormat( NativeFormat format )
da175b2c 74{
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75 PrepareFormats();
76 SetId( format );
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77}
78
79void wxDataFormat::SetType( wxDataFormatId type )
80{
76db86e7 81 PrepareFormats();
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82 m_type = type;
83
84 if (m_type == wxDF_TEXT)
76db86e7 85 m_format = g_textAtom;
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86 else
87 if (m_type == wxDF_BITMAP)
dd38c875 88 m_format = g_bitmapAtom;
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89 else
90 if (m_type == wxDF_FILENAME)
76db86e7 91 m_format = g_fileAtom;
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92 else
93 {
223d09f6 94 wxFAIL_MSG( wxT("invalid dataformat") );
da175b2c 95 }
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96}
97
98wxDataFormatId wxDataFormat::GetType() const
99{
100 return m_type;
101}
102
103wxString wxDataFormat::GetId() const
104{
105 char *t = XGetAtomName ((Display*) wxGetDisplay(), m_format);
106 wxString ret( t ); // this will convert from ascii to Unicode
7520f3da 107 if (t)
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108 XFree( t );
109 return ret;
110}
111
112void wxDataFormat::SetId( NativeFormat format )
113{
114 PrepareFormats();
115 m_format = format;
da175b2c 116
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117 if (m_format == g_textAtom)
118 m_type = wxDF_TEXT;
119 else
dd38c875 120 if (m_format == g_bitmapAtom)
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121 m_type = wxDF_BITMAP;
122 else
123 if (m_format == g_fileAtom)
124 m_type = wxDF_FILENAME;
125 else
126 m_type = wxDF_PRIVATE;
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127}
128
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129void wxDataFormat::SetId( const wxChar *id )
130{
76db86e7 131 PrepareFormats();
da175b2c 132 m_type = wxDF_PRIVATE;
76db86e7 133 wxString tmp( id );
dd38c875 134 m_format = XInternAtom( wxGlobalDisplay(),
96be256b 135 tmp.mbc_str(), False );
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136}
137
76db86e7 138void wxDataFormat::PrepareFormats()
da175b2c 139{
76db86e7 140 if (!g_textAtom)
96be256b 141 g_textAtom = XInternAtom( wxGlobalDisplay(), "STRING", False );
dd38c875 142 if (!g_bitmapAtom)
96be256b 143 g_bitmapAtom = XInternAtom( wxGlobalDisplay(), "PIXMAP", False );
76db86e7 144 if (!g_fileAtom)
96be256b 145 g_fileAtom = XInternAtom( wxGlobalDisplay(), "file:ALL", False );
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146}
147
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148// ----------------------------------------------------------------------------
149// wxDataObject
150// ----------------------------------------------------------------------------
151
152wxDataObject::~wxDataObject()
153{
154}
155
dc63c944 156// ----------------------------------------------------------------------------
dd38c875 157// wxBitmapDataObject
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158// ----------------------------------------------------------------------------
159
dd38c875 160size_t wxBitmapDataObject::GetDataSize() const
da175b2c 161{
dd38c875 162 return sizeof(Pixmap);
dc63c944 163}
da175b2c 164
dd38c875 165bool wxBitmapDataObject::GetDataHere(void* buf) const
da175b2c 166{
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167 if( !GetBitmap().Ok() )
168 return false;
da175b2c 169
dd38c875 170 (*(Pixmap*)buf) = (Pixmap)GetBitmap().GetDrawable();
da175b2c 171
dd38c875 172 return true;
dc63c944 173}
da175b2c 174
dd38c875 175bool wxBitmapDataObject::SetData(size_t len, const void* buf)
dc63c944 176{
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177 if( len != sizeof(Pixmap) )
178 return false;
da175b2c 179
dd38c875 180 WXPixmap pixmap = (WXPixmap)*(Pixmap*)buf;
da175b2c 181
dd38c875 182 m_bitmap.Create( pixmap );
da175b2c 183
dd38c875 184 return true;
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185}
186
dfe1eee3 187#endif // wxUSE_CLIPBOARD