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[wxWidgets.git] / src / x11 / dnd.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/x11/dnd.cpp
3 // Purpose: wxDropTarget, wxDropSource classes
4 // Author: Julian Smart
5 // Id: $Id$
6 // Copyright: (c) 1998 Julian Smart
7 // Licence: wxWindows licence
8 ///////////////////////////////////////////////////////////////////////////////
9
10 // for compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #if defined(__BORLANDC__)
14 #pragma hdrstop
15 #endif
16
17 #if wxUSE_DRAG_AND_DROP
18
19 #include "wx/dnd.h"
20
21 #ifndef WX_PRECOMP
22 #include "wx/intl.h"
23 #include "wx/log.h"
24 #include "wx/app.h"
25 #include "wx/utils.h"
26 #include "wx/window.h"
27 #include "wx/gdicmn.h"
28 #endif
29
30 #include <X11/Xlib.h>
31
32 // ----------------------------------------------------------------------------
33 // global
34 // ----------------------------------------------------------------------------
35
36 // ----------------------------------------------------------------------------
37 // wxDropTarget
38 // ----------------------------------------------------------------------------
39
40 wxDropTarget::wxDropTarget()
41 {
42 }
43
44 wxDropTarget::~wxDropTarget()
45 {
46 }
47
48 // ----------------------------------------------------------------------------
49 // wxTextDropTarget
50 // ----------------------------------------------------------------------------
51
52 bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
53 {
54 OnDropText( x, y, (const char*)data );
55 return true;
56 }
57
58 bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
59 {
60 wxLogDebug( "Got dropped text: %s.", psz );
61 wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y );
62 return true;
63 }
64
65 size_t wxTextDropTarget::GetFormatCount() const
66 {
67 return 1;
68 }
69
70 wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
71 {
72 return wxDF_TEXT;
73 }
74
75 // ----------------------------------------------------------------------------
76 // wxFileDropTarget
77 // ----------------------------------------------------------------------------
78
79 bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
80 {
81 wxLogDebug( "Got %d dropped files.", (int)nFiles );
82 wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y );
83 size_t i;
84 for (i = 0; i < nFiles; i++)
85 {
86 wxLogDebug( aszFiles[i] );
87 }
88 return true;
89 }
90
91 bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
92 {
93 size_t number = 0;
94 char *text = (char*) data;
95 size_t i;
96 for (i = 0; i < size; i++)
97 if (text[i] == 0) number++;
98
99 if (number == 0) return true;
100
101 char **files = new char*[number];
102
103 text = (char*) data;
104 for ( i = 0; i < number; i++)
105 {
106 files[i] = text;
107 int len = strlen( text );
108 text += len+1;
109 }
110
111 bool ret = OnDropFiles( x, y, 1, files );
112
113 free( files );
114
115 return ret;
116 }
117
118 size_t wxFileDropTarget::GetFormatCount() const
119 {
120 return 1;
121 }
122
123 wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
124 {
125 return wxDF_FILENAME;
126 }
127
128 //-------------------------------------------------------------------------
129 // wxDropSource
130 //-------------------------------------------------------------------------
131
132 wxDropSource::wxDropSource( wxWindow *win )
133 {
134 #if 0
135 m_window = win;
136 m_data = NULL;
137 m_retValue = wxDragCancel;
138
139 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
140 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
141 #endif
142 }
143
144 wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
145 {
146 #if 0
147 g_blockEventsOnDrag = true;
148
149 m_window = win;
150 m_widget = win->m_widget;
151 if (win->m_wxwindow) m_widget = win->m_wxwindow;
152 m_retValue = wxDragCancel;
153
154 m_data = &data;
155
156 m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
157 m_goaheadCursor = wxCursor( wxCURSOR_HAND );
158 #endif
159 }
160
161 void wxDropSource::SetData( wxDataObject &data )
162 {
163 // m_data = &data;
164 }
165
166 wxDropSource::~wxDropSource(void)
167 {
168 // if (m_data) delete m_data;
169 }
170
171 wxDragResult wxDropSource::DoDragDrop( int WXUNUSED(flags) )
172 {
173 // wxASSERT_MSG( m_data, "wxDragSource: no data" );
174
175 return wxDragNone;
176 #if 0
177 if (!m_data) return (wxDragResult) wxDragNone;
178 if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
179
180 RegisterWindow();
181
182 // TODO
183
184 UnregisterWindow();
185
186 g_blockEventsOnDrag = false;
187
188 return m_retValue;
189 #endif
190 }
191
192 #if 0
193 void wxDropSource::RegisterWindow(void)
194 {
195 if (!m_data) return;
196
197 wxString formats;
198
199 wxDataFormat df = m_data->GetPreferredFormat();
200
201 switch (df)
202 {
203 case wxDF_TEXT:
204 formats += "text/plain";
205 break;
206 case wxDF_FILENAME:
207 formats += "file:ALL";
208 break;
209 default:
210 break;
211 }
212
213 char *str = WXSTRINGCAST formats;
214
215 // TODO
216 }
217
218 void wxDropSource::UnregisterWindow(void)
219 {
220 if (!m_widget) return;
221
222 // TODO
223 }
224 #endif
225
226 wxPrivateDropTarget::wxPrivateDropTarget()
227 {
228 m_id = wxTheApp->GetAppName();
229 }
230
231 size_t wxPrivateDropTarget::GetFormatCount() const
232 {
233 return 1;
234 }
235
236 wxDataFormat wxPrivateDropTarget::GetFormat(size_t n) const
237 {
238 return wxDF_INVALID;
239 }
240
241 #endif
242 // wxUSE_DRAG_AND_DROP