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Diffstat (limited to 'libraries/ecore/src/lib/ecore_win32/ecore_win32_dnd.c')
-rwxr-xr-xlibraries/ecore/src/lib/ecore_win32/ecore_win32_dnd.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/libraries/ecore/src/lib/ecore_win32/ecore_win32_dnd.c b/libraries/ecore/src/lib/ecore_win32/ecore_win32_dnd.c
deleted file mode 100755
index a629c8b..0000000
--- a/libraries/ecore/src/lib/ecore_win32/ecore_win32_dnd.c
+++ /dev/null
@@ -1,221 +0,0 @@
1#ifdef HAVE_CONFIG_H
2# include <config.h>
3#endif
4
5#include <windows.h>
6
7#include "Ecore_Win32.h"
8#include "ecore_win32_private.h"
9
10/*============================================================================*
11 * Local *
12 *============================================================================*/
13
14/**
15 * @cond LOCAL
16 */
17
18
19static int _ecore_win32_dnd_init_count = 0;
20
21static HANDLE DataToHandle(const char *data, int size)
22{
23 char *ptr;
24 ptr = (char *)GlobalAlloc(GMEM_FIXED, size);
25 memcpy(ptr, data, size);
26 return ptr;
27}
28
29/**
30 * @endcond
31 */
32
33
34/*============================================================================*
35 * Global *
36 *============================================================================*/
37
38
39/*============================================================================*
40 * API *
41 *============================================================================*/
42
43/**
44 * @addtogroup Ecore_Win32_Group Ecore_Win32 library
45 *
46 * @{
47 */
48
49/**
50 * @brief Initialize the Ecore_Win32 Drag and Drop module.
51 *
52 * @return 1 or greater on success, 0 on error.
53 *
54 * This function initialize the Drag and Drop module. It returns 0 on
55 * failure, otherwise it returns the number of times it has already
56 * been called.
57 *
58 * When the Drag and Drop module is not used anymore, call
59 * ecore_win32_dnd_shutdown() to shut down the module.
60 */
61EAPI int
62ecore_win32_dnd_init()
63{
64 if (_ecore_win32_dnd_init_count > 0)
65 {
66 _ecore_win32_dnd_init_count++;
67 return _ecore_win32_dnd_init_count;
68 }
69
70 if (OleInitialize(NULL) != S_OK)
71 return 0;
72
73 _ecore_win32_dnd_init_count++;
74
75 return _ecore_win32_dnd_init_count;
76}
77
78/**
79 * @brief Shut down the Ecore_Win32 Drag and Drop module.
80 *
81 * @return 0 when the module is completely shut down, 1 or
82 * greater otherwise.
83 *
84 * This function shuts down the Drag and Drop module. It returns 0 when it has
85 * been called the same number of times than ecore_win32_dnd_init(). In that case
86 * it shut down the module.
87 */
88EAPI int
89ecore_win32_dnd_shutdown()
90{
91 _ecore_win32_dnd_init_count--;
92 if (_ecore_win32_dnd_init_count > 0) return _ecore_win32_dnd_init_count;
93
94 OleUninitialize();
95
96 if (_ecore_win32_dnd_init_count < 0) _ecore_win32_dnd_init_count = 0;
97
98 return _ecore_win32_dnd_init_count;
99}
100
101/**
102 * @brief Begin a DnD operation.
103 *
104 * @param data The name pf the Drag operation.
105 * @param size The size of the name.
106 * @return EINA_TRUE on success, EINA_FALSE otherwise.
107 *
108 * This function start a Drag operation with the name @p data. If
109 * @p data is @c NULL, EINA_FALSE is returned. if @p size is less than
110 * 0, it is set to the length (as strlen()) of @p data. On success the
111 * function returns EINA_TRUE, otherwise it returns EINA_FALSE.
112 */
113EAPI Eina_Bool
114ecore_win32_dnd_begin(const char *data,
115 int size)
116{
117 IDataObject *pDataObject = NULL;
118 IDropSource *pDropSource = NULL;
119 FORMATETC fmtetc = { CF_TEXT, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
120 STGMEDIUM stgmed = { TYMED_HGLOBAL, { 0 }, 0 };
121 Eina_Bool res = EINA_FALSE;
122
123 if (!data)
124 return EINA_FALSE;
125
126 if (size < 0)
127 size = strlen(data) + 1;
128
129 stgmed.hGlobal = DataToHandle(data, size);
130
131 // create the data object
132 pDataObject = (IDataObject *)_ecore_win32_dnd_data_object_new((void *)&fmtetc,
133 (void *)&stgmed,
134 1);
135 pDropSource = (IDropSource *)_ecore_win32_dnd_drop_source_new();
136
137 if (pDataObject && pDropSource)
138 {
139 DWORD dwResult;
140 DWORD dwEffect = DROPEFFECT_COPY;
141
142 // do the drag-drop!
143 dwResult = DoDragDrop(pDataObject, pDropSource, DROPEFFECT_COPY, &dwEffect);
144
145 // finished. Check the return values to see if we need to do anything else
146 if (dwResult == DRAGDROP_S_DROP)
147 {
148 //printf(">>> \"%s\" Dropped <<<\n", str);
149 if(dwEffect == DROPEFFECT_MOVE)
150 {
151 // remove the data we just dropped from active document
152 }
153 }
154 //else if (dwResult == DRAGDROP_S_CANCEL)
155 // printf("DND cancelled\n");
156 //else
157 // printf("DND error\n");
158
159 res = EINA_TRUE;
160 }
161
162 _ecore_win32_dnd_data_object_free(pDataObject);
163 _ecore_win32_dnd_drop_source_free(pDropSource);
164
165 // cleanup
166 ReleaseStgMedium(&stgmed);
167
168 return res;
169}
170
171/**
172 * @brief Register a Drop operation.
173 *
174 * @param window The destination of the Drop operation.
175 * @param callback The callback called when the Drop operation
176 * finishes.
177 * @return EINA_TRUE on success, EINA_FALSE otherwise.
178 *
179 * This function register a Drop operation on @p window. Once the Drop
180 * operation finishes, @p callback is called. If @p window is @c NULL,
181 * the function returns EINA_FALSE. On success, it returns EINA_TRUE,
182 * otherwise it returns EINA_FALSE.
183 */
184EAPI Eina_Bool
185ecore_win32_dnd_register_drop_target(Ecore_Win32_Window *window,
186 Ecore_Win32_Dnd_DropTarget_Callback callback)
187{
188 Ecore_Win32_Window *wnd = (Ecore_Win32_Window *)window;
189
190 if (!window)
191 return EINA_FALSE;
192
193 wnd->dnd_drop_target = _ecore_win32_dnd_register_drop_window(wnd->window,
194 callback,
195 (void *)wnd);
196 return wnd->dnd_drop_target ? EINA_TRUE : EINA_FALSE;
197}
198
199/**
200 * @brief Unregister a Drop operation.
201 *
202 * @param window The destination of the Drop operation.
203 *
204 * This function unregister a Drop operation on @p window. If
205 * @p window is @c NULL, the function does nothing.
206 */
207EAPI void
208ecore_win32_dnd_unregister_drop_target(Ecore_Win32_Window *window)
209{
210 Ecore_Win32_Window *wnd = (Ecore_Win32_Window *)window;
211
212 if (!window)
213 return;
214
215 if (wnd->dnd_drop_target)
216 _ecore_win32_dnd_unregister_drop_window(wnd->window, wnd->dnd_drop_target);
217}
218
219/**
220 * @}
221 */
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