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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: dnd.cpp | |
3 | // Purpose: wxDropTarget, wxDropSource classes | |
4 | // Author: Julian Smart | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Julian Smart | |
65571936 | 7 | // Licence: wxWindows licence |
83df96d6 JS |
8 | /////////////////////////////////////////////////////////////////////////////// |
9 | ||
83df96d6 JS |
10 | #include "wx/setup.h" |
11 | ||
12 | #if wxUSE_DRAG_AND_DROP | |
13 | ||
14 | #include "wx/dnd.h" | |
15 | #include "wx/window.h" | |
16 | #include "wx/app.h" | |
17 | #include "wx/gdicmn.h" | |
18 | #include "wx/intl.h" | |
19 | #include "wx/utils.h" | |
20 | #include "wx/log.h" | |
21 | ||
22 | #include <X11/Xlib.h> | |
23 | ||
24 | // ---------------------------------------------------------------------------- | |
25 | // global | |
26 | // ---------------------------------------------------------------------------- | |
27 | ||
28 | // ---------------------------------------------------------------------------- | |
29 | // wxDropTarget | |
30 | // ---------------------------------------------------------------------------- | |
31 | ||
32 | wxDropTarget::wxDropTarget() | |
33 | { | |
34 | } | |
35 | ||
36 | wxDropTarget::~wxDropTarget() | |
37 | { | |
38 | } | |
39 | ||
40 | // ---------------------------------------------------------------------------- | |
41 | // wxTextDropTarget | |
42 | // ---------------------------------------------------------------------------- | |
43 | ||
44 | bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) ) | |
45 | { | |
46 | OnDropText( x, y, (const char*)data ); | |
47 | return TRUE; | |
48 | } | |
49 | ||
50 | bool wxTextDropTarget::OnDropText( long x, long y, const char *psz ) | |
51 | { | |
52 | wxLogDebug( "Got dropped text: %s.", psz ); | |
53 | wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y ); | |
54 | return TRUE; | |
55 | } | |
56 | ||
57 | size_t wxTextDropTarget::GetFormatCount() const | |
58 | { | |
59 | return 1; | |
60 | } | |
61 | ||
62 | wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const | |
63 | { | |
64 | return wxDF_TEXT; | |
65 | } | |
66 | ||
67 | // ---------------------------------------------------------------------------- | |
68 | // wxFileDropTarget | |
69 | // ---------------------------------------------------------------------------- | |
70 | ||
71 | bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] ) | |
72 | { | |
73 | wxLogDebug( "Got %d dropped files.", (int)nFiles ); | |
74 | wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y ); | |
75 | size_t i; | |
76 | for (i = 0; i < nFiles; i++) | |
77 | { | |
78 | wxLogDebug( aszFiles[i] ); | |
79 | } | |
80 | return TRUE; | |
81 | } | |
82 | ||
83 | bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) | |
84 | { | |
85 | size_t number = 0; | |
86 | char *text = (char*) data; | |
87 | size_t i; | |
88 | for (i = 0; i < size; i++) | |
89 | if (text[i] == 0) number++; | |
90 | ||
91 | if (number == 0) return TRUE; | |
92 | ||
93 | char **files = new char*[number]; | |
94 | ||
95 | text = (char*) data; | |
96 | for ( i = 0; i < number; i++) | |
97 | { | |
98 | files[i] = text; | |
99 | int len = strlen( text ); | |
100 | text += len+1; | |
101 | } | |
102 | ||
103 | bool ret = OnDropFiles( x, y, 1, files ); | |
104 | ||
105 | free( files ); | |
106 | ||
107 | return ret; | |
108 | } | |
109 | ||
110 | size_t wxFileDropTarget::GetFormatCount() const | |
111 | { | |
112 | return 1; | |
113 | } | |
114 | ||
115 | wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const | |
116 | { | |
117 | return wxDF_FILENAME; | |
118 | } | |
119 | ||
120 | //------------------------------------------------------------------------- | |
121 | // wxDropSource | |
122 | //------------------------------------------------------------------------- | |
123 | ||
124 | wxDropSource::wxDropSource( wxWindow *win ) | |
125 | { | |
126 | #if 0 | |
127 | m_window = win; | |
128 | m_data = (wxDataObject *) NULL; | |
129 | m_retValue = wxDragCancel; | |
130 | ||
131 | m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); | |
132 | m_goaheadCursor = wxCursor( wxCURSOR_HAND ); | |
133 | #endif | |
134 | } | |
135 | ||
136 | wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win ) | |
137 | { | |
138 | #if 0 | |
139 | g_blockEventsOnDrag = TRUE; | |
140 | ||
141 | m_window = win; | |
142 | m_widget = win->m_widget; | |
143 | if (win->m_wxwindow) m_widget = win->m_wxwindow; | |
144 | m_retValue = wxDragCancel; | |
145 | ||
146 | m_data = &data; | |
147 | ||
148 | m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); | |
149 | m_goaheadCursor = wxCursor( wxCURSOR_HAND ); | |
150 | #endif | |
151 | } | |
152 | ||
153 | void wxDropSource::SetData( wxDataObject &data ) | |
154 | { | |
155 | // m_data = &data; | |
156 | } | |
157 | ||
158 | wxDropSource::~wxDropSource(void) | |
159 | { | |
160 | // if (m_data) delete m_data; | |
161 | } | |
162 | ||
2245b2b2 | 163 | wxDragResult wxDropSource::DoDragDrop( int WXUNUSED(flags) ) |
83df96d6 JS |
164 | { |
165 | // wxASSERT_MSG( m_data, "wxDragSource: no data" ); | |
166 | ||
167 | return wxDragNone; | |
168 | #if 0 | |
169 | if (!m_data) return (wxDragResult) wxDragNone; | |
170 | if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone; | |
171 | ||
172 | RegisterWindow(); | |
173 | ||
174 | // TODO | |
175 | ||
176 | UnregisterWindow(); | |
177 | ||
178 | g_blockEventsOnDrag = FALSE; | |
179 | ||
180 | return m_retValue; | |
181 | #endif | |
182 | } | |
183 | ||
184 | #if 0 | |
185 | void wxDropSource::RegisterWindow(void) | |
186 | { | |
187 | if (!m_data) return; | |
188 | ||
189 | wxString formats; | |
190 | ||
191 | wxDataFormat df = m_data->GetPreferredFormat(); | |
192 | ||
193 | switch (df) | |
194 | { | |
195 | case wxDF_TEXT: | |
196 | formats += "text/plain"; | |
197 | break; | |
198 | case wxDF_FILENAME: | |
199 | formats += "file:ALL"; | |
200 | break; | |
201 | default: | |
202 | break; | |
203 | } | |
204 | ||
205 | char *str = WXSTRINGCAST formats; | |
206 | ||
207 | // TODO | |
208 | } | |
209 | ||
210 | void wxDropSource::UnregisterWindow(void) | |
211 | { | |
212 | if (!m_widget) return; | |
213 | ||
214 | // TODO | |
215 | } | |
216 | #endif | |
217 | ||
218 | wxPrivateDropTarget::wxPrivateDropTarget() | |
219 | { | |
220 | m_id = wxTheApp->GetAppName(); | |
221 | } | |
222 | ||
223 | size_t wxPrivateDropTarget::GetFormatCount() const | |
224 | { | |
225 | return 1; | |
226 | } | |
227 | ||
228 | wxDataFormat wxPrivateDropTarget::GetFormat(size_t n) const | |
229 | { | |
230 | return wxDF_INVALID; | |
231 | } | |
232 | ||
233 | #endif | |
234 | // wxUSE_DRAG_AND_DROP |