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 )
92 unsigned long count = 0;
94 version = (event->data.l[1] & 0xFF000000) >> 24;
95 TRACE("ver(%d) check-XdndTypeList(%ld) data=%ld,%ld,%ld,%ld,%ld\n",
96 version, (event->data.l[1] & 1),
97 event->data.l[0], event->data.l[1], event->data.l[2],
98 event->data.l[3], event->data.l[4]);
100 if (version > WINE_XDND_VERSION)
102 TRACE("Ignores unsupported version\n");
106 /* If the source supports more than 3 data types we retrieve
107 * the entire list. */
108 if (event->data.l[1] & 1)
112 unsigned long bytesret;
114 /* Request supported formats from source window */
116 XGetWindowProperty(event->display, event->data.l[0], x11drv_atom(XdndTypeList),
117 0, 65535, FALSE, AnyPropertyType, &acttype, &actfmt, &count,
118 &bytesret, (unsigned char**)&xdndtypes);
124 xdndtypes = (Atom*) &event->data.l[2];
132 for (; i < count; i++)
134 if (xdndtypes[i] != 0)
136 char * pn = XGetAtomName(event->display, xdndtypes[i]);
137 TRACE("XDNDEnterAtom %ld: %s\n", xdndtypes[i], pn);
144 /* Do a one-time data read and cache results */
145 X11DRV_XDND_ResolveProperty(event->display, event->window,
146 event->data.l[1], xdndtypes, &count);
148 if (event->data.l[1] & 1)
152 /**************************************************************************
153 * X11DRV_XDND_PositionEvent
155 * Handle an XdndPosition event.
157 void X11DRV_XDND_PositionEvent( HWND hWnd, XClientMessageEvent *event )
159 XClientMessageEvent e;
160 int accept = 0; /* Assume we're not accepting */
162 XDNDxy.x = event->data.l[2] >> 16;
163 XDNDxy.y = event->data.l[2] & 0xFFFF;
165 /* FIXME: Notify OLE of DragEnter. Result determines if we accept */
167 if (GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)
170 TRACE("action req: %ld accept(%d) at x(%d),y(%d)\n",
171 event->data.l[4], accept, XDNDxy.x, XDNDxy.y);
174 * Let source know if we're accepting the drop by
175 * sending a status message.
177 e.type = ClientMessage;
178 e.display = event->display;
179 e.window = event->data.l[0];
180 e.message_type = x11drv_atom(XdndStatus);
182 e.data.l[0] = event->window;
183 e.data.l[1] = accept;
184 e.data.l[2] = 0; /* Empty Rect */
185 e.data.l[3] = 0; /* Empty Rect */
187 e.data.l[4] = event->data.l[4];
191 XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
194 /* FIXME: if drag accepted notify OLE of DragOver */
197 /**************************************************************************
198 * X11DRV_XDND_DropEvent
200 * Handle an XdndDrop event.
202 void X11DRV_XDND_DropEvent( HWND hWnd, XClientMessageEvent *event )
204 XClientMessageEvent e;
208 /* If we have a HDROP type we send a WM_ACCEPTFILES.*/
209 if (GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)
210 X11DRV_XDND_SendDropFiles( hWnd );
212 /* FIXME: Notify OLE of Drop */
213 X11DRV_XDND_FreeDragDropOp();
215 /* Tell the target we are finished. */
216 memset(&e, 0, sizeof(e));
217 e.type = ClientMessage;
218 e.display = event->display;
219 e.window = event->data.l[0];
220 e.message_type = x11drv_atom(XdndFinished);
222 e.data.l[0] = event->window;
224 XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
228 /**************************************************************************
229 * X11DRV_XDND_LeaveEvent
231 * Handle an XdndLeave event.
233 void X11DRV_XDND_LeaveEvent( HWND hWnd, XClientMessageEvent *event )
235 TRACE("DND Operation canceled\n");
237 X11DRV_XDND_FreeDragDropOp();
239 /* FIXME: Notify OLE of DragLeave */
243 /**************************************************************************
244 * X11DRV_XDND_ResolveProperty
246 * Resolve all MIME types to windows clipboard formats. All data is cached.
248 static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
249 Atom *types, unsigned long *count)
256 unsigned long bytesret, icount;
258 unsigned char* data = NULL;
260 TRACE("count(%ld)\n", *count);
262 X11DRV_XDND_FreeDragDropOp(); /* Clear previously cached data */
264 for (i = 0; i < *count; i++)
266 TRACE("requesting atom %ld from xwin %ld\n", types[i], xwin);
272 XConvertSelection(display, x11drv_atom(XdndSelection), types[i],
273 x11drv_atom(XdndTarget), xwin, /*tm*/CurrentTime);
277 * Wait for SelectionNotify
279 for (j = 0; j < SELECTION_RETRIES; j++)
282 res = XCheckTypedWindowEvent(display, xwin, SelectionNotify, &xe);
284 if (res && xe.xselection.selection == x11drv_atom(XdndSelection)) break;
286 usleep(SELECTION_WAIT);
289 if (xe.xselection.property == None)
293 XGetWindowProperty(display, xwin, x11drv_atom(XdndTarget), 0, 65535, FALSE,
294 AnyPropertyType, &acttype, &actfmt, &icount, &bytesret, &data);
297 entries += X11DRV_XDND_MapFormat(types[i], data, get_property_size( actfmt, icount ));
307 /**************************************************************************
308 * X11DRV_XDND_InsertXDNDData
310 * Cache available XDND property
312 static void X11DRV_XDND_InsertXDNDData(int property, int format, void* data, unsigned int len)
314 LPXDNDDATA current = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XDNDDATA));
318 EnterCriticalSection(&xdnd_cs);
319 current->next = XDNDData;
320 current->cf_xdnd = property;
321 current->cf_win = format;
322 current->data = data;
325 LeaveCriticalSection(&xdnd_cs);
330 /**************************************************************************
331 * X11DRV_XDND_MapFormat
333 * Map XDND MIME format to windows clipboard format.
335 static int X11DRV_XDND_MapFormat(unsigned int property, unsigned char *data, int len)
340 TRACE("%d: %s\n", property, data);
342 /* Always include the raw type */
343 xdata = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
344 memcpy(xdata, data, len);
345 X11DRV_XDND_InsertXDNDData(property, property, xdata, len);
348 if (property == x11drv_atom(text_uri_list))
349 count += X11DRV_XDND_DeconstructTextURIList(property, data, len);
350 else if (property == x11drv_atom(text_plain))
351 count += X11DRV_XDND_DeconstructTextPlain(property, data, len);
352 else if (property == x11drv_atom(text_html))
353 count += X11DRV_XDND_DeconstructTextHTML(property, data, len);
359 /**************************************************************************
360 * X11DRV_XDND_DeconstructTextURIList
362 * Interpret text/uri-list data and add records to <dndfmt> linked list
364 static int X11DRV_XDND_DeconstructTextURIList(int property, void* data, int len)
366 char *uriList = data;
378 out = HeapAlloc(GetProcessHeap(), 0, capacity);
384 while (end < len && uriList[end] != '\r')
386 if (end < (len - 1) && uriList[end+1] != '\n')
388 WARN("URI list line doesn't end in \\r\\n\n");
392 uri = HeapAlloc(GetProcessHeap(), 0, end - start + 1);
395 lstrcpynA(uri, &uriList[start], end - start + 1);
396 path = X11DRV_XDND_URIToDOS(uri);
397 TRACE("converted URI %s to DOS path %s\n", debugstr_a(uri), debugstr_w(path));
398 HeapFree(GetProcessHeap(), 0, uri);
402 int pathSize = strlenW(path) + 1;
403 if (pathSize > capacity-size)
405 capacity = 2*capacity + pathSize;
406 out = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, out, capacity + 1);
410 WideCharToMultiByte(CP_ACP, 0, path, -1, &out[size], pathSize, 0, 0);
413 HeapFree(GetProcessHeap(), 0, path);
421 if (out && end >= len)
423 DROPFILES *dropFiles;
424 dropFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DROPFILES) + size + 1);
427 dropFiles->pFiles = sizeof(DROPFILES);
428 dropFiles->pt.x = XDNDxy.x;
429 dropFiles->pt.y = XDNDxy.y;
431 dropFiles->fWide = FALSE;
433 memcpy(((char*)dropFiles) + dropFiles->pFiles, out, size + 1);
434 X11DRV_XDND_InsertXDNDData(property, CF_HDROP, dropFiles, sizeof(DROPFILES) + size + 1);
438 HeapFree(GetProcessHeap(), 0, out);
443 /**************************************************************************
444 * X11DRV_XDND_DeconstructTextPlain
446 * Interpret text/plain Data and add records to <dndfmt> linked list
448 static int X11DRV_XDND_DeconstructTextPlain(int property, void* data, int len)
452 /* Always supply plain text */
453 X11DRV_XDND_UnixToDos(&dostext, data, len);
454 X11DRV_XDND_InsertXDNDData(property, CF_TEXT, dostext, strlen(dostext));
456 TRACE("CF_TEXT (%d): %s\n", CF_TEXT, dostext);
462 /**************************************************************************
463 * X11DRV_XDND_DeconstructTextHTML
465 * Interpret text/html data and add records to <dndfmt> linked list
467 static int X11DRV_XDND_DeconstructTextHTML(int property, void* data, int len)
471 X11DRV_XDND_UnixToDos(&dostext, data, len);
473 X11DRV_XDND_InsertXDNDData(property,
474 RegisterClipboardFormatA("UniformResourceLocator"), dostext, strlen(dostext));
476 TRACE("UniformResourceLocator: %s\n", dostext);
482 /**************************************************************************
483 * X11DRV_XDND_SendDropFiles
485 static void X11DRV_XDND_SendDropFiles(HWND hwnd)
489 EnterCriticalSection(&xdnd_cs);
493 /* Find CF_HDROP type if any */
494 while (current != NULL)
496 if (current->cf_win == CF_HDROP)
498 current = current->next;
503 DROPFILES *lpDrop = current->data;
507 lpDrop->pt.x = XDNDxy.x;
508 lpDrop->pt.y = XDNDxy.y;
510 TRACE("Sending WM_DROPFILES: hWnd(0x%p) %p(%s)\n", hwnd,
511 ((char*)lpDrop) + lpDrop->pFiles, ((char*)lpDrop) + lpDrop->pFiles);
513 PostMessageA(hwnd, WM_DROPFILES, (WPARAM)lpDrop, 0L);
517 LeaveCriticalSection(&xdnd_cs);
521 /**************************************************************************
522 * X11DRV_XDND_FreeDragDropOp
524 static void X11DRV_XDND_FreeDragDropOp(void)
531 EnterCriticalSection(&xdnd_cs);
535 /** Free data cache */
536 while (current != NULL)
538 next = current->next;
539 HeapFree(GetProcessHeap(), 0, current);
544 XDNDxy.x = XDNDxy.y = 0;
546 LeaveCriticalSection(&xdnd_cs);
551 /**************************************************************************
552 * X11DRV_XDND_UnixToDos
554 static unsigned int X11DRV_XDND_UnixToDos(char** lpdest, char* lpsrc, int len)
557 unsigned int destlen, lines;
559 for (i = 0, lines = 0; i <= len; i++)
561 if (lpsrc[i] == '\n')
565 destlen = len + lines + 1;
569 char* lpstr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, destlen);
570 for (i = 0, lines = 0; i <= len; i++)
572 if (lpsrc[i] == '\n')
573 lpstr[++lines + i] = '\r';
574 lpstr[lines + i] = lpsrc[i];
584 /**************************************************************************
585 * X11DRV_XDND_URIToDOS
587 static WCHAR* X11DRV_XDND_URIToDOS(char *encodedURI)
592 char *uri = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlen(encodedURI) + 1);
595 for (i = 0; encodedURI[i]; ++i)
597 if (encodedURI[i] == '%')
599 if (encodedURI[i+1] && encodedURI[i+2])
603 buffer[0] = encodedURI[i+1];
604 buffer[1] = encodedURI[i+2];
606 sscanf(buffer, "%x", &number);
612 WARN("invalid URI encoding in %s\n", debugstr_a(encodedURI));
613 HeapFree(GetProcessHeap(), 0, uri);
618 uri[j++] = encodedURI[i];
621 /* Read http://www.freedesktop.org/wiki/Draganddropwarts and cry... */
622 if (strncmp(uri, "file:/", 6) == 0)
628 /* file:///path/to/file (nautilus, thunar) */
629 ret = wine_get_dos_file_name(&uri[7]);
633 /* file://hostname/path/to/file (X file drag spec) */
635 char *path = strchr(&uri[7], '/');
639 if (strcmp(&uri[7], "localhost") == 0)
642 ret = wine_get_dos_file_name(path);
644 else if (gethostname(hostname, sizeof(hostname)) == 0)
646 if (strcmp(hostname, &uri[7]) == 0)
649 ret = wine_get_dos_file_name(path);
657 /* file:/path/to/file (konqueror) */
658 ret = wine_get_dos_file_name(&uri[5]);
661 HeapFree(GetProcessHeap(), 0, uri);