4 * Copyright 2003 Ulrich Czekalla
5 * Copyright 2007 Damjan Jovanovic
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
38 #include "shlobj.h" /* DROPFILES */
40 #include "wine/unicode.h"
41 #include "wine/debug.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(xdnd);
45 /* Maximum wait time for selection notify */
46 #define SELECTION_RETRIES 500 /* wait for .1 seconds */
47 #define SELECTION_WAIT 1000 /* us */
49 typedef struct tagXDNDDATA
55 struct tagXDNDDATA *next;
56 } XDNDDATA, *LPXDNDDATA;
58 static LPXDNDDATA XDNDData = NULL;
59 static POINT XDNDxy = { 0, 0 };
61 static void X11DRV_XDND_InsertXDNDData(int property, int format, void* data, unsigned int len);
62 static int X11DRV_XDND_DeconstructTextURIList(int property, void* data, int len);
63 static int X11DRV_XDND_DeconstructTextPlain(int property, void* data, int len);
64 static int X11DRV_XDND_DeconstructTextHTML(int property, void* data, int len);
65 static int X11DRV_XDND_MapFormat(unsigned int property, unsigned char *data, int len);
66 static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
67 Atom *types, unsigned long *count);
68 static void X11DRV_XDND_SendDropFiles(HWND hwnd);
69 static void X11DRV_XDND_FreeDragDropOp(void);
70 static unsigned int X11DRV_XDND_UnixToDos(char** lpdest, char* lpsrc, int len);
71 static WCHAR* X11DRV_XDND_URIToDOS(char *encodedURI);
73 static CRITICAL_SECTION xdnd_cs;
74 static CRITICAL_SECTION_DEBUG critsect_debug =
77 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
78 0, 0, { (DWORD_PTR)(__FILE__ ": xdnd_cs") }
80 static CRITICAL_SECTION xdnd_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
83 /**************************************************************************
84 * X11DRV_XDND_EnterEvent
86 * Handle an XdndEnter event.
88 void X11DRV_XDND_EnterEvent( HWND hWnd, XClientMessageEvent *event )
91 unsigned long count = 0;
93 TRACE("ver(%ld) check-XdndTypeList(%ld) data=%ld,%ld,%ld,%ld,%ld\n",
94 (event->data.l[1] & 0xFF000000) >> 24, (event->data.l[1] & 1),
95 event->data.l[0], event->data.l[1], event->data.l[2],
96 event->data.l[3], event->data.l[4]);
98 /* If the source supports more than 3 data types we retrieve
100 if (event->data.l[1] & 1)
104 unsigned long bytesret;
106 /* Request supported formats from source window */
108 XGetWindowProperty(event->display, event->data.l[0], x11drv_atom(XdndTypeList),
109 0, 65535, FALSE, AnyPropertyType, &acttype, &actfmt, &count,
110 &bytesret, (unsigned char**)&xdndtypes);
116 xdndtypes = (Atom*) &event->data.l[2];
124 for (; i < count; i++)
126 if (xdndtypes[i] != 0)
128 char * pn = XGetAtomName(event->display, xdndtypes[i]);
129 TRACE("XDNDEnterAtom %ld: %s\n", xdndtypes[i], pn);
136 /* Do a one-time data read and cache results */
137 X11DRV_XDND_ResolveProperty(event->display, event->window,
138 event->data.l[1], xdndtypes, &count);
140 if (event->data.l[1] & 1)
144 /**************************************************************************
145 * X11DRV_XDND_PositionEvent
147 * Handle an XdndPosition event.
149 void X11DRV_XDND_PositionEvent( HWND hWnd, XClientMessageEvent *event )
151 XClientMessageEvent e;
152 int accept = 0; /* Assume we're not accepting */
154 XDNDxy.x = event->data.l[2] >> 16;
155 XDNDxy.y = event->data.l[2] & 0xFFFF;
157 /* FIXME: Notify OLE of DragEnter. Result determines if we accept */
159 if (GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)
162 TRACE("action req: %ld accept(%d) at x(%d),y(%d)\n",
163 event->data.l[4], accept, XDNDxy.x, XDNDxy.y);
166 * Let source know if we're accepting the drop by
167 * sending a status message.
169 e.type = ClientMessage;
170 e.display = event->display;
171 e.window = event->data.l[0];
172 e.message_type = x11drv_atom(XdndStatus);
174 e.data.l[0] = event->window;
175 e.data.l[1] = accept;
176 e.data.l[2] = 0; /* Empty Rect */
177 e.data.l[3] = 0; /* Empty Rect */
179 e.data.l[4] = event->data.l[4];
183 XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
186 /* FIXME: if drag accepted notify OLE of DragOver */
189 /**************************************************************************
190 * X11DRV_XDND_DropEvent
192 * Handle an XdndDrop event.
194 void X11DRV_XDND_DropEvent( HWND hWnd, XClientMessageEvent *event )
196 XClientMessageEvent e;
200 /* If we have a HDROP type we send a WM_ACCEPTFILES.*/
201 if (GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)
202 X11DRV_XDND_SendDropFiles( hWnd );
204 /* FIXME: Notify OLE of Drop */
205 X11DRV_XDND_FreeDragDropOp();
207 /* Tell the target we are finished. */
208 memset(&e, 0, sizeof(e));
209 e.type = ClientMessage;
210 e.display = event->display;
211 e.window = event->data.l[0];
212 e.message_type = x11drv_atom(XdndFinished);
214 e.data.l[0] = event->window;
216 XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
220 /**************************************************************************
221 * X11DRV_XDND_LeaveEvent
223 * Handle an XdndLeave event.
225 void X11DRV_XDND_LeaveEvent( HWND hWnd, XClientMessageEvent *event )
227 TRACE("DND Operation canceled\n");
229 X11DRV_XDND_FreeDragDropOp();
231 /* FIXME: Notify OLE of DragLeave */
235 /**************************************************************************
236 * X11DRV_XDND_ResolveProperty
238 * Resolve all MIME types to windows clipboard formats. All data is cached.
240 static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
241 Atom *types, unsigned long *count)
248 unsigned long bytesret, icount;
250 unsigned char* data = NULL;
252 TRACE("count(%ld)\n", *count);
254 X11DRV_XDND_FreeDragDropOp(); /* Clear previously cached data */
256 for (i = 0; i < *count; i++)
258 TRACE("requesting atom %ld from xwin %ld\n", types[i], xwin);
264 XConvertSelection(display, x11drv_atom(XdndSelection), types[i],
265 x11drv_atom(XdndTarget), xwin, /*tm*/CurrentTime);
269 * Wait for SelectionNotify
271 for (j = 0; j < SELECTION_RETRIES; j++)
274 res = XCheckTypedWindowEvent(display, xwin, SelectionNotify, &xe);
276 if (res && xe.xselection.selection == x11drv_atom(XdndSelection)) break;
278 usleep(SELECTION_WAIT);
281 if (xe.xselection.property == None)
285 XGetWindowProperty(display, xwin, x11drv_atom(XdndTarget), 0, 65535, FALSE,
286 AnyPropertyType, &acttype, &actfmt, &icount, &bytesret, &data);
289 entries += X11DRV_XDND_MapFormat(types[i], data, get_property_size( actfmt, icount ));
299 /**************************************************************************
300 * X11DRV_XDND_InsertXDNDData
302 * Cache available XDND property
304 static void X11DRV_XDND_InsertXDNDData(int property, int format, void* data, unsigned int len)
306 LPXDNDDATA current = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XDNDDATA));
310 EnterCriticalSection(&xdnd_cs);
311 current->next = XDNDData;
312 current->cf_xdnd = property;
313 current->cf_win = format;
314 current->data = data;
317 LeaveCriticalSection(&xdnd_cs);
322 /**************************************************************************
323 * X11DRV_XDND_MapFormat
325 * Map XDND MIME format to windows clipboard format.
327 static int X11DRV_XDND_MapFormat(unsigned int property, unsigned char *data, int len)
332 TRACE("%d: %s\n", property, data);
334 /* Always include the raw type */
335 xdata = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
336 memcpy(xdata, data, len);
337 X11DRV_XDND_InsertXDNDData(property, property, xdata, len);
340 if (property == x11drv_atom(text_uri_list))
341 count += X11DRV_XDND_DeconstructTextURIList(property, data, len);
342 else if (property == x11drv_atom(text_plain))
343 count += X11DRV_XDND_DeconstructTextPlain(property, data, len);
344 else if (property == x11drv_atom(text_html))
345 count += X11DRV_XDND_DeconstructTextHTML(property, data, len);
351 /**************************************************************************
352 * X11DRV_XDND_DeconstructTextURIList
354 * Interpret text/uri-list data and add records to <dndfmt> linked list
356 static int X11DRV_XDND_DeconstructTextURIList(int property, void* data, int len)
358 char *uriList = data;
370 out = HeapAlloc(GetProcessHeap(), 0, capacity);
376 while (end < len && uriList[end] != '\r')
380 if (uriList[end+1] != '\n')
382 WARN("URI list line doesn't end in \\r\\n\n");
386 uri = HeapAlloc(GetProcessHeap(), 0, end - start + 1);
389 lstrcpynA(uri, &uriList[start], end - start + 1);
390 path = X11DRV_XDND_URIToDOS(uri);
391 TRACE("converted URI %s to DOS path %s\n", debugstr_a(uri), debugstr_w(path));
392 HeapFree(GetProcessHeap(), 0, uri);
396 int pathSize = strlenW(path) + 1;
397 if (pathSize > capacity-size)
399 capacity = 2*capacity + pathSize;
400 out = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, out, capacity + 1);
404 WideCharToMultiByte(CP_ACP, 0, path, -1, &out[size], pathSize, 0, 0);
407 HeapFree(GetProcessHeap(), 0, path);
415 if (out && end == len)
417 DROPFILES *dropFiles;
418 dropFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DROPFILES) + size + 1);
421 dropFiles->pFiles = sizeof(DROPFILES);
422 dropFiles->pt.x = XDNDxy.x;
423 dropFiles->pt.y = XDNDxy.y;
425 dropFiles->fWide = FALSE;
427 memcpy(((char*)dropFiles) + dropFiles->pFiles, out, size + 1);
428 X11DRV_XDND_InsertXDNDData(property, CF_HDROP, dropFiles, sizeof(DROPFILES) + size + 1);
432 HeapFree(GetProcessHeap(), 0, out);
437 /**************************************************************************
438 * X11DRV_XDND_DeconstructTextPlain
440 * Interpret text/plain Data and add records to <dndfmt> linked list
442 static int X11DRV_XDND_DeconstructTextPlain(int property, void* data, int len)
446 /* Always supply plain text */
447 X11DRV_XDND_UnixToDos(&dostext, data, len);
448 X11DRV_XDND_InsertXDNDData(property, CF_TEXT, dostext, strlen(dostext));
450 TRACE("CF_TEXT (%d): %s\n", CF_TEXT, dostext);
456 /**************************************************************************
457 * X11DRV_XDND_DeconstructTextHTML
459 * Interpret text/html data and add records to <dndfmt> linked list
461 static int X11DRV_XDND_DeconstructTextHTML(int property, void* data, int len)
465 X11DRV_XDND_UnixToDos(&dostext, data, len);
467 X11DRV_XDND_InsertXDNDData(property,
468 RegisterClipboardFormatA("UniformResourceLocator"), dostext, strlen(dostext));
470 TRACE("UniformResourceLocator: %s\n", dostext);
476 /**************************************************************************
477 * X11DRV_XDND_SendDropFiles
479 static void X11DRV_XDND_SendDropFiles(HWND hwnd)
483 EnterCriticalSection(&xdnd_cs);
487 /* Find CF_HDROP type if any */
488 while (current != NULL)
490 if (current->cf_win == CF_HDROP)
492 current = current->next;
497 DROPFILES *lpDrop = current->data;
501 lpDrop->pt.x = XDNDxy.x;
502 lpDrop->pt.y = XDNDxy.y;
504 TRACE("Sending WM_DROPFILES: hWnd(0x%p) %p(%s)\n", hwnd,
505 ((char*)lpDrop) + lpDrop->pFiles, ((char*)lpDrop) + lpDrop->pFiles);
507 PostMessageA(hwnd, WM_DROPFILES, (WPARAM)lpDrop, 0L);
511 LeaveCriticalSection(&xdnd_cs);
515 /**************************************************************************
516 * X11DRV_XDND_FreeDragDropOp
518 static void X11DRV_XDND_FreeDragDropOp(void)
525 EnterCriticalSection(&xdnd_cs);
529 /** Free data cache */
530 while (current != NULL)
532 next = current->next;
533 HeapFree(GetProcessHeap(), 0, current);
538 XDNDxy.x = XDNDxy.y = 0;
540 LeaveCriticalSection(&xdnd_cs);
545 /**************************************************************************
546 * X11DRV_XDND_UnixToDos
548 static unsigned int X11DRV_XDND_UnixToDos(char** lpdest, char* lpsrc, int len)
551 unsigned int destlen, lines;
553 for (i = 0, lines = 0; i <= len; i++)
555 if (lpsrc[i] == '\n')
559 destlen = len + lines + 1;
563 char* lpstr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, destlen);
564 for (i = 0, lines = 0; i <= len; i++)
566 if (lpsrc[i] == '\n')
567 lpstr[++lines + i] = '\r';
568 lpstr[lines + i] = lpsrc[i];
578 /**************************************************************************
579 * X11DRV_XDND_URIToDOS
581 static WCHAR* X11DRV_XDND_URIToDOS(char *encodedURI)
586 char *uri = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlen(encodedURI) + 1);
589 for (i = 0; encodedURI[i]; ++i)
591 if (encodedURI[i] == '%')
593 if (encodedURI[i+1] && encodedURI[i+2])
597 buffer[0] = encodedURI[i+1];
598 buffer[1] = encodedURI[i+2];
600 sscanf(buffer, "%x", &number);
606 WARN("invalid URI encoding in %s\n", debugstr_a(encodedURI));
607 HeapFree(GetProcessHeap(), 0, uri);
612 uri[j++] = encodedURI[i];
615 /* Read http://www.freedesktop.org/wiki/Draganddropwarts and cry... */
616 if (strncmp(uri, "file:/", 6) == 0)
622 /* file:///path/to/file (nautilus, thunar) */
623 ret = wine_get_dos_file_name(&uri[7]);
627 /* file://hostname/path/to/file (X file drag spec) */
629 char *path = strchr(&uri[7], '/');
633 if (strcmp(&uri[7], "localhost") == 0)
636 ret = wine_get_dos_file_name(path);
638 else if (gethostname(hostname, sizeof(hostname)) == 0)
640 if (strcmp(hostname, &uri[7]) == 0)
643 ret = wine_get_dos_file_name(path);
651 /* file:/path/to/file (konqueror) */
652 ret = wine_get_dos_file_name(&uri[5]);
655 HeapFree(GetProcessHeap(), 0, uri);