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1///////////////////////////////////////////////////////////////////////////////
2// Name: os2/dataobj.cpp
3// Purpose: implementation of wx[I]DataObject class
4// Author: David Webster
5// Modified by:
6// Created: 10/21/99
7// RCS-ID: $Id$
8// Copyright: (c) 1999 David Webster
9// Licence: wxWindows license
10///////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20#ifdef __GNUG__
21 #pragma implementation "dataobj.h"
22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26
27#ifndef WX_PRECOMP
28#include "wx/intl.h"
29#endif
30#include "wx/defs.h"
31
32#include "wx/log.h"
33#include "wx/dataobj.h"
34#include "wx/mstream.h"
35#include "wx/image.h"
76a5e5d2 36#include "wx/mac/private.h"
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37
38// ----------------------------------------------------------------------------
39// functions
40// ----------------------------------------------------------------------------
41
42// ----------------------------------------------------------------------------
43// wxDataFormat
44// ----------------------------------------------------------------------------
45
46wxDataFormat::wxDataFormat()
47{
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48 m_type = wxDF_INVALID;
49 m_format = 0;
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50}
51
2f1ae414 52wxDataFormat::wxDataFormat( wxDataFormatId vType )
72e7876b 53{
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54 SetType(vType);
55}
56
2f1ae414 57wxDataFormat::wxDataFormat( const wxChar* zId)
72e7876b 58{
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59 SetId(zId);
60}
61
2f1ae414 62wxDataFormat::wxDataFormat( const wxString& rId)
72e7876b 63{
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64 SetId(rId);
65}
66
2f1ae414 67wxDataFormat::wxDataFormat( NativeFormat vFormat)
72e7876b 68{
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69 SetId(vFormat);
70}
71
2f1ae414 72void wxDataFormat::SetType( wxDataFormatId Type )
72e7876b 73{
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74 m_type = Type;
75
76 if (m_type == wxDF_TEXT)
77 m_format = 'TEXT';
78 else if (m_type == wxDF_BITMAP || m_type == wxDF_METAFILE )
79 m_format = 'PICT';
80 else if (m_type == wxDF_FILENAME)
a07c1212 81 m_format = kDragFlavorTypeHFS ;
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82 else
83 {
84 wxFAIL_MSG( wxT("invalid dataformat") );
85 }
86}
87
88wxDataFormatId wxDataFormat::GetType() const
89{
2f1ae414 90 return m_type;
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91}
92
93wxString wxDataFormat::GetId() const
94{
2f1ae414 95 wxString sRet(""); // TODO: to name of ( m_format ) );
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96 return sRet;
97}
98
2f1ae414 99void wxDataFormat::SetId( NativeFormat format )
72e7876b 100{
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101 m_format = format;
102
103 if (m_format == 'TEXT')
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104 m_type = wxDF_TEXT;
105 else
2f1ae414 106 if (m_format == 'PICT')
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107 m_type = wxDF_BITMAP;
108 else
a07c1212 109 if (m_format == kDragFlavorTypeHFS )
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110 m_type = wxDF_FILENAME;
111 else
112 m_type = wxDF_PRIVATE;
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113}
114
2f1ae414 115void wxDataFormat::SetId( const wxChar* zId )
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116{
117 wxString tmp(zId);
118
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119 m_type = wxDF_PRIVATE;
120 m_format = 0;// TODO: get the format gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE );
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121}
122
123//-------------------------------------------------------------------------
124// wxDataObject
125//-------------------------------------------------------------------------
126
127wxDataObject::wxDataObject()
128{
129}
130
131bool wxDataObject::IsSupportedFormat(
132 const wxDataFormat& rFormat
133, Direction vDir
134) const
135{
136 size_t nFormatCount = GetFormatCount(vDir);
137
138 if (nFormatCount == 1)
139 {
140 return rFormat == GetPreferredFormat();
141 }
142 else
143 {
144 wxDataFormat* pFormats = new wxDataFormat[nFormatCount];
145 GetAllFormats( pFormats
146 ,vDir
147 );
148
149 size_t n;
150
151 for (n = 0; n < nFormatCount; n++)
152 {
153 if (pFormats[n] == rFormat)
154 break;
155 }
156
157 delete [] pFormats;
158
159 // found?
160 return n < nFormatCount;
161 }
162}
163
164// ----------------------------------------------------------------------------
165// wxFileDataObject
166// ----------------------------------------------------------------------------
167
168bool wxFileDataObject::GetDataHere(
169 void* pBuf
170) const
171{
172 wxString sFilenames;
173
174 for (size_t i = 0; i < m_filenames.GetCount(); i++)
175 {
176 sFilenames += m_filenames[i];
177 sFilenames += (wxChar)0;
178 }
179
180 memcpy(pBuf, sFilenames.mbc_str(), sFilenames.Len() + 1);
181 return TRUE;
182}
183
184size_t wxFileDataObject::GetDataSize() const
185{
186 size_t nRes = 0;
187
188 for (size_t i = 0; i < m_filenames.GetCount(); i++)
189 {
190 nRes += m_filenames[i].Len();
191 nRes += 1;
192 }
193
194 return nRes + 1;
195}
196
197bool wxFileDataObject::SetData(
198 size_t WXUNUSED(nSize)
199, const void* pBuf
200)
201{
a07c1212 202 m_filenames.Empty();
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203
204 wxString sFile( (const char *)pBuf); /* char, not wxChar */
205
206 AddFile(sFile);
207
208 return TRUE;
209}
210
211void wxFileDataObject::AddFile(
212 const wxString& rFilename
213)
214{
215 m_filenames.Add(rFilename);
216}
217
218// ----------------------------------------------------------------------------
219// wxBitmapDataObject
220// ----------------------------------------------------------------------------
221
222wxBitmapDataObject::wxBitmapDataObject()
223{
224 Init();
225}
226
227wxBitmapDataObject::wxBitmapDataObject(
228 const wxBitmap& rBitmap
229)
230: wxBitmapDataObjectBase(rBitmap)
231{
232 Init();
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233 if ( m_bitmap.Ok() )
234 {
235 m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
236 }
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237}
238
239wxBitmapDataObject::~wxBitmapDataObject()
240{
241 Clear();
242}
243
244void wxBitmapDataObject::SetBitmap(
245 const wxBitmap& rBitmap
246)
247{
2a391f87 248 Clear();
72e7876b 249 wxBitmapDataObjectBase::SetBitmap(rBitmap);
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250 if ( m_bitmap.Ok() )
251 {
252 m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
253 }
254}
255
256void wxBitmapDataObject::Init()
257{
258 m_pictHandle = NULL ;
259 m_pictCreated = false ;
260}
261
262void wxBitmapDataObject::Clear()
263{
264 if ( m_pictCreated && m_pictHandle )
265 {
266 KillPicture( (PicHandle) m_pictHandle ) ;
267 }
268 m_pictHandle = NULL ;
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269}
270
271bool wxBitmapDataObject::GetDataHere(
272 void* pBuf
273) const
274{
2a391f87 275 if (!m_pictHandle)
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276 {
277 wxFAIL_MSG(wxT("attempt to copy empty bitmap failed"));
278 return FALSE;
279 }
2a391f87 280 memcpy(pBuf, *(Handle)m_pictHandle, GetHandleSize((Handle)m_pictHandle));
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281 return TRUE;
282}
283
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284size_t wxBitmapDataObject::GetDataSize() const
285{
286 return GetHandleSize((Handle)m_pictHandle) ;
287}
288
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289bool wxBitmapDataObject::SetData(
290 size_t nSize
291, const void* pBuf
292)
293{
294 Clear();
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295 PicHandle picHandle = (PicHandle) NewHandle( nSize ) ;
296 memcpy( *picHandle , pBuf , nSize ) ;
297 m_pictHandle = picHandle ;
298 m_pictCreated = false ;
299 Rect frame = (**picHandle).picFrame ;
300
301 m_bitmap.SetPict( picHandle ) ;
302 m_bitmap.SetWidth( frame.right - frame.left ) ;
303 m_bitmap.SetHeight( frame.bottom - frame.top ) ;
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304 return m_bitmap.Ok();
305}