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