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4bb6408c JS |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: dnd.cpp | |
2d120f83 | 3 | // Purpose: wxDropTarget, wxDropSource classes |
4bb6408c | 4 | // Author: Julian Smart |
2d120f83 | 5 | // Id: $Id$ |
4bb6408c | 6 | // Copyright: (c) 1998 Julian Smart |
65571936 | 7 | // Licence: wxWindows licence |
4bb6408c JS |
8 | /////////////////////////////////////////////////////////////////////////////// |
9 | ||
1248b41f MB |
10 | // For compilers that support precompilation, includes "wx.h". |
11 | #include "wx/wxprec.h" | |
12 | ||
2d120f83 JS |
13 | #include "wx/setup.h" |
14 | ||
15 | #if wxUSE_DRAG_AND_DROP | |
16 | ||
4bb6408c JS |
17 | #include "wx/dnd.h" |
18 | #include "wx/window.h" | |
19 | #include "wx/app.h" | |
20 | #include "wx/gdicmn.h" | |
2d120f83 JS |
21 | #include "wx/intl.h" |
22 | #include "wx/utils.h" | |
23 | #include "wx/log.h" | |
24 | ||
25 | #include <X11/Xlib.h> | |
4bb6408c JS |
26 | |
27 | // ---------------------------------------------------------------------------- | |
28 | // global | |
29 | // ---------------------------------------------------------------------------- | |
30 | ||
31 | // ---------------------------------------------------------------------------- | |
32 | // wxDropTarget | |
33 | // ---------------------------------------------------------------------------- | |
34 | ||
35 | wxDropTarget::wxDropTarget() | |
36 | { | |
2d120f83 | 37 | } |
4bb6408c JS |
38 | |
39 | wxDropTarget::~wxDropTarget() | |
40 | { | |
2d120f83 | 41 | } |
4bb6408c JS |
42 | |
43 | // ---------------------------------------------------------------------------- | |
44 | // wxTextDropTarget | |
45 | // ---------------------------------------------------------------------------- | |
46 | ||
2d120f83 | 47 | bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) ) |
4bb6408c | 48 | { |
2d120f83 | 49 | OnDropText( x, y, (const char*)data ); |
96be256b | 50 | return true; |
2d120f83 | 51 | } |
4bb6408c JS |
52 | |
53 | bool wxTextDropTarget::OnDropText( long x, long y, const char *psz ) | |
54 | { | |
2d120f83 JS |
55 | wxLogDebug( "Got dropped text: %s.", psz ); |
56 | wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y ); | |
96be256b | 57 | return true; |
2d120f83 | 58 | } |
4bb6408c JS |
59 | |
60 | size_t wxTextDropTarget::GetFormatCount() const | |
61 | { | |
62 | return 1; | |
63 | } | |
64 | ||
65 | wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const | |
66 | { | |
67 | return wxDF_TEXT; | |
68 | } | |
69 | ||
70 | // ---------------------------------------------------------------------------- | |
71 | // wxFileDropTarget | |
72 | // ---------------------------------------------------------------------------- | |
73 | ||
2d120f83 | 74 | bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] ) |
4bb6408c | 75 | { |
2d120f83 JS |
76 | wxLogDebug( "Got %d dropped files.", (int)nFiles ); |
77 | wxLogDebug( "At x: %d, y: %d.", (int)x, (int)y ); | |
4dba84be JS |
78 | size_t i; |
79 | for (i = 0; i < nFiles; i++) | |
2d120f83 JS |
80 | { |
81 | wxLogDebug( aszFiles[i] ); | |
82 | } | |
96be256b | 83 | return true; |
4bb6408c JS |
84 | } |
85 | ||
2d120f83 | 86 | bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) |
4bb6408c | 87 | { |
2d120f83 JS |
88 | size_t number = 0; |
89 | char *text = (char*) data; | |
4dba84be JS |
90 | size_t i; |
91 | for (i = 0; i < size; i++) | |
2d120f83 JS |
92 | if (text[i] == 0) number++; |
93 | ||
96be256b | 94 | if (number == 0) return true; |
2d120f83 JS |
95 | |
96 | char **files = new char*[number]; | |
97 | ||
98 | text = (char*) data; | |
4dba84be | 99 | for ( i = 0; i < number; i++) |
2d120f83 JS |
100 | { |
101 | files[i] = text; | |
102 | int len = strlen( text ); | |
103 | text += len+1; | |
104 | } | |
105 | ||
106 | bool ret = OnDropFiles( x, y, 1, files ); | |
107 | ||
108 | free( files ); | |
109 | ||
110 | return ret; | |
4bb6408c JS |
111 | } |
112 | ||
113 | size_t wxFileDropTarget::GetFormatCount() const | |
114 | { | |
115 | return 1; | |
116 | } | |
117 | ||
118 | wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const | |
119 | { | |
120 | return wxDF_FILENAME; | |
121 | } | |
122 | ||
123 | //------------------------------------------------------------------------- | |
124 | // wxDropSource | |
125 | //------------------------------------------------------------------------- | |
126 | ||
4bb6408c JS |
127 | wxDropSource::wxDropSource( wxWindow *win ) |
128 | { | |
2d120f83 JS |
129 | #if 0 |
130 | m_window = win; | |
131 | m_data = (wxDataObject *) NULL; | |
132 | m_retValue = wxDragCancel; | |
4bb6408c | 133 | |
2d120f83 JS |
134 | m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); |
135 | m_goaheadCursor = wxCursor( wxCURSOR_HAND ); | |
136 | #endif | |
137 | } | |
4bb6408c JS |
138 | |
139 | wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win ) | |
140 | { | |
2d120f83 | 141 | #if 0 |
96be256b | 142 | g_blockEventsOnDrag = true; |
2d120f83 JS |
143 | |
144 | m_window = win; | |
145 | m_widget = win->m_widget; | |
146 | if (win->m_wxwindow) m_widget = win->m_wxwindow; | |
147 | m_retValue = wxDragCancel; | |
148 | ||
149 | m_data = &data; | |
150 | ||
151 | m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); | |
152 | m_goaheadCursor = wxCursor( wxCURSOR_HAND ); | |
153 | #endif | |
154 | } | |
4bb6408c JS |
155 | |
156 | void wxDropSource::SetData( wxDataObject &data ) | |
157 | { | |
2d120f83 JS |
158 | // m_data = &data; |
159 | } | |
4bb6408c JS |
160 | |
161 | wxDropSource::~wxDropSource(void) | |
162 | { | |
2d120f83 JS |
163 | // if (m_data) delete m_data; |
164 | } | |
4bb6408c | 165 | |
2245b2b2 | 166 | wxDragResult wxDropSource::DoDragDrop( int WXUNUSED(flags) ) |
4bb6408c | 167 | { |
2d120f83 JS |
168 | // wxASSERT_MSG( m_data, "wxDragSource: no data" ); |
169 | ||
170 | return wxDragNone; | |
171 | #if 0 | |
172 | if (!m_data) return (wxDragResult) wxDragNone; | |
173 | if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone; | |
174 | ||
175 | RegisterWindow(); | |
176 | ||
177 | // TODO | |
178 | ||
179 | UnregisterWindow(); | |
180 | ||
96be256b | 181 | g_blockEventsOnDrag = false; |
2d120f83 JS |
182 | |
183 | return m_retValue; | |
184 | #endif | |
185 | } | |
186 | ||
187 | #if 0 | |
188 | void wxDropSource::RegisterWindow(void) | |
189 | { | |
190 | if (!m_data) return; | |
191 | ||
192 | wxString formats; | |
193 | ||
194 | wxDataFormat df = m_data->GetPreferredFormat(); | |
195 | ||
196 | switch (df) | |
197 | { | |
198 | case wxDF_TEXT: | |
199 | formats += "text/plain"; | |
200 | break; | |
201 | case wxDF_FILENAME: | |
202 | formats += "file:ALL"; | |
203 | break; | |
204 | default: | |
205 | break; | |
206 | } | |
207 | ||
208 | char *str = WXSTRINGCAST formats; | |
209 | ||
210 | // TODO | |
211 | } | |
4bb6408c | 212 | |
2d120f83 JS |
213 | void wxDropSource::UnregisterWindow(void) |
214 | { | |
215 | if (!m_widget) return; | |
216 | ||
217 | // TODO | |
218 | } | |
219 | #endif | |
220 | ||
8870c26e JS |
221 | wxPrivateDropTarget::wxPrivateDropTarget() |
222 | { | |
223 | m_id = wxTheApp->GetAppName(); | |
224 | } | |
225 | ||
226 | size_t wxPrivateDropTarget::GetFormatCount() const | |
227 | { | |
228 | return 1; | |
229 | } | |
230 | ||
231 | wxDataFormat wxPrivateDropTarget::GetFormat(size_t n) const | |
232 | { | |
233 | return wxDF_INVALID; | |
234 | } | |
2d120f83 JS |
235 | |
236 | #endif | |
237 | // wxUSE_DRAG_AND_DROP |