661 lines
18 KiB
C
661 lines
18 KiB
C
/*
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* XDND handler code
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*
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* Copyright 2003 Ulrich Czekalla
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* Copyright 2007 Damjan Jovanovic
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "x11drv.h"
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#include "shlobj.h" /* DROPFILES */
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#include "wine/unicode.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(xdnd);
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/* Maximum wait time for selection notify */
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#define SELECTION_RETRIES 500 /* wait for .1 seconds */
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#define SELECTION_WAIT 1000 /* us */
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typedef struct tagXDNDDATA
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{
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int cf_win;
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Atom cf_xdnd;
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void *data;
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unsigned int size;
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struct list entry;
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} XDNDDATA, *LPXDNDDATA;
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static struct list xdndData = LIST_INIT(xdndData);
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static POINT XDNDxy = { 0, 0 };
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static void X11DRV_XDND_InsertXDNDData(int property, int format, void* data, unsigned int len);
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static int X11DRV_XDND_DeconstructTextURIList(int property, void* data, int len);
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static int X11DRV_XDND_DeconstructTextPlain(int property, void* data, int len);
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static int X11DRV_XDND_DeconstructTextHTML(int property, void* data, int len);
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static int X11DRV_XDND_MapFormat(unsigned int property, unsigned char *data, int len);
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static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
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Atom *types, unsigned long *count);
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static void X11DRV_XDND_SendDropFiles(HWND hwnd);
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static void X11DRV_XDND_FreeDragDropOp(void);
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static unsigned int X11DRV_XDND_UnixToDos(char** lpdest, char* lpsrc, int len);
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static WCHAR* X11DRV_XDND_URIToDOS(char *encodedURI);
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static CRITICAL_SECTION xdnd_cs;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &xdnd_cs,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": xdnd_cs") }
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};
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static CRITICAL_SECTION xdnd_cs = { &critsect_debug, -1, 0, 0, 0, 0 };
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/**************************************************************************
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* X11DRV_XDND_EnterEvent
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*
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* Handle an XdndEnter event.
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*/
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void X11DRV_XDND_EnterEvent( HWND hWnd, XClientMessageEvent *event )
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{
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int version;
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Atom *xdndtypes;
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unsigned long count = 0;
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version = (event->data.l[1] & 0xFF000000) >> 24;
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TRACE("ver(%d) check-XdndTypeList(%ld) data=%ld,%ld,%ld,%ld,%ld\n",
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version, (event->data.l[1] & 1),
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event->data.l[0], event->data.l[1], event->data.l[2],
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event->data.l[3], event->data.l[4]);
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if (version > WINE_XDND_VERSION)
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{
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TRACE("Ignores unsupported version\n");
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return;
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}
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/* If the source supports more than 3 data types we retrieve
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* the entire list. */
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if (event->data.l[1] & 1)
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{
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Atom acttype;
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int actfmt;
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unsigned long bytesret;
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/* Request supported formats from source window */
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wine_tsx11_lock();
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XGetWindowProperty(event->display, event->data.l[0], x11drv_atom(XdndTypeList),
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0, 65535, FALSE, AnyPropertyType, &acttype, &actfmt, &count,
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&bytesret, (unsigned char**)&xdndtypes);
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wine_tsx11_unlock();
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}
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else
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{
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count = 3;
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xdndtypes = (Atom*) &event->data.l[2];
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}
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if (TRACE_ON(xdnd))
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{
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unsigned int i = 0;
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wine_tsx11_lock();
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for (; i < count; i++)
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{
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if (xdndtypes[i] != 0)
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{
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char * pn = XGetAtomName(event->display, xdndtypes[i]);
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TRACE("XDNDEnterAtom %ld: %s\n", xdndtypes[i], pn);
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XFree(pn);
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}
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}
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wine_tsx11_unlock();
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}
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/* Do a one-time data read and cache results */
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X11DRV_XDND_ResolveProperty(event->display, event->window,
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event->data.l[1], xdndtypes, &count);
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if (event->data.l[1] & 1)
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XFree(xdndtypes);
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}
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/**************************************************************************
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* X11DRV_XDND_PositionEvent
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*
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* Handle an XdndPosition event.
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*/
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void X11DRV_XDND_PositionEvent( HWND hWnd, XClientMessageEvent *event )
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{
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XClientMessageEvent e;
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int accept = 0; /* Assume we're not accepting */
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XDNDxy.x = event->data.l[2] >> 16;
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XDNDxy.y = event->data.l[2] & 0xFFFF;
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/* FIXME: Notify OLE of DragEnter. Result determines if we accept */
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if (GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)
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accept = 1;
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TRACE("action req: %ld accept(%d) at x(%d),y(%d)\n",
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event->data.l[4], accept, XDNDxy.x, XDNDxy.y);
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/*
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* Let source know if we're accepting the drop by
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* sending a status message.
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*/
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e.type = ClientMessage;
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e.display = event->display;
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e.window = event->data.l[0];
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e.message_type = x11drv_atom(XdndStatus);
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e.format = 32;
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e.data.l[0] = event->window;
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e.data.l[1] = accept;
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e.data.l[2] = 0; /* Empty Rect */
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e.data.l[3] = 0; /* Empty Rect */
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if (accept)
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e.data.l[4] = event->data.l[4];
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else
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e.data.l[4] = None;
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wine_tsx11_lock();
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XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
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wine_tsx11_unlock();
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/* FIXME: if drag accepted notify OLE of DragOver */
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}
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/**************************************************************************
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* X11DRV_XDND_DropEvent
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*
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* Handle an XdndDrop event.
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*/
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void X11DRV_XDND_DropEvent( HWND hWnd, XClientMessageEvent *event )
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{
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XClientMessageEvent e;
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TRACE("\n");
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/* If we have a HDROP type we send a WM_ACCEPTFILES.*/
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if (GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)
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X11DRV_XDND_SendDropFiles( hWnd );
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/* FIXME: Notify OLE of Drop */
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X11DRV_XDND_FreeDragDropOp();
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/* Tell the target we are finished. */
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memset(&e, 0, sizeof(e));
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e.type = ClientMessage;
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e.display = event->display;
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e.window = event->data.l[0];
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e.message_type = x11drv_atom(XdndFinished);
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e.format = 32;
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e.data.l[0] = event->window;
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wine_tsx11_lock();
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XSendEvent(event->display, event->data.l[0], False, NoEventMask, (XEvent*)&e);
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wine_tsx11_unlock();
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}
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/**************************************************************************
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* X11DRV_XDND_LeaveEvent
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*
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* Handle an XdndLeave event.
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*/
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void X11DRV_XDND_LeaveEvent( HWND hWnd, XClientMessageEvent *event )
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{
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TRACE("DND Operation canceled\n");
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X11DRV_XDND_FreeDragDropOp();
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/* FIXME: Notify OLE of DragLeave */
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}
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/**************************************************************************
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* X11DRV_XDND_ResolveProperty
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*
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* Resolve all MIME types to windows clipboard formats. All data is cached.
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*/
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static void X11DRV_XDND_ResolveProperty(Display *display, Window xwin, Time tm,
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Atom *types, unsigned long *count)
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{
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unsigned int i, j;
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BOOL res;
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XEvent xe;
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Atom acttype;
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int actfmt;
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unsigned long bytesret, icount;
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int entries = 0;
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unsigned char* data = NULL;
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TRACE("count(%ld)\n", *count);
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X11DRV_XDND_FreeDragDropOp(); /* Clear previously cached data */
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for (i = 0; i < *count; i++)
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{
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TRACE("requesting atom %ld from xwin %ld\n", types[i], xwin);
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if (types[i] == 0)
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continue;
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wine_tsx11_lock();
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XConvertSelection(display, x11drv_atom(XdndSelection), types[i],
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x11drv_atom(XdndTarget), xwin, /*tm*/CurrentTime);
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wine_tsx11_unlock();
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/*
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* Wait for SelectionNotify
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*/
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for (j = 0; j < SELECTION_RETRIES; j++)
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{
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wine_tsx11_lock();
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res = XCheckTypedWindowEvent(display, xwin, SelectionNotify, &xe);
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wine_tsx11_unlock();
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if (res && xe.xselection.selection == x11drv_atom(XdndSelection)) break;
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usleep(SELECTION_WAIT);
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}
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if (xe.xselection.property == None)
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continue;
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wine_tsx11_lock();
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XGetWindowProperty(display, xwin, x11drv_atom(XdndTarget), 0, 65535, FALSE,
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AnyPropertyType, &acttype, &actfmt, &icount, &bytesret, &data);
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wine_tsx11_unlock();
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entries += X11DRV_XDND_MapFormat(types[i], data, get_property_size( actfmt, icount ));
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wine_tsx11_lock();
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XFree(data);
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wine_tsx11_unlock();
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}
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*count = entries;
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}
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/**************************************************************************
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* X11DRV_XDND_InsertXDNDData
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*
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* Cache available XDND property
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*/
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static void X11DRV_XDND_InsertXDNDData(int property, int format, void* data, unsigned int len)
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{
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LPXDNDDATA current = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(XDNDDATA));
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if (current)
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{
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EnterCriticalSection(&xdnd_cs);
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current->cf_xdnd = property;
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current->cf_win = format;
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current->data = data;
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current->size = len;
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list_add_tail(&xdndData, ¤t->entry);
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LeaveCriticalSection(&xdnd_cs);
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}
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}
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/**************************************************************************
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* X11DRV_XDND_MapFormat
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*
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* Map XDND MIME format to windows clipboard format.
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*/
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static int X11DRV_XDND_MapFormat(unsigned int property, unsigned char *data, int len)
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{
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void* xdata;
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int count = 0;
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TRACE("%d: %s\n", property, data);
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/* Always include the raw type */
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xdata = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
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memcpy(xdata, data, len);
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X11DRV_XDND_InsertXDNDData(property, property, xdata, len);
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count++;
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if (property == x11drv_atom(text_uri_list))
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count += X11DRV_XDND_DeconstructTextURIList(property, data, len);
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else if (property == x11drv_atom(text_plain))
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count += X11DRV_XDND_DeconstructTextPlain(property, data, len);
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else if (property == x11drv_atom(text_html))
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count += X11DRV_XDND_DeconstructTextHTML(property, data, len);
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return count;
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}
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/**************************************************************************
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* X11DRV_XDND_DeconstructTextURIList
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*
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* Interpret text/uri-list data and add records to <dndfmt> linked list
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*/
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static int X11DRV_XDND_DeconstructTextURIList(int property, void* data, int len)
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{
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char *uriList = data;
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char *uri;
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WCHAR *path;
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WCHAR *out = NULL;
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int size = 0;
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int capacity = 4096;
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int count = 0;
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int start = 0;
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int end = 0;
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out = HeapAlloc(GetProcessHeap(), 0, capacity * sizeof(WCHAR));
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if (out == NULL)
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return 0;
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while (end < len)
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{
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while (end < len && uriList[end] != '\r')
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++end;
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if (end < (len - 1) && uriList[end+1] != '\n')
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{
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WARN("URI list line doesn't end in \\r\\n\n");
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break;
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}
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uri = HeapAlloc(GetProcessHeap(), 0, end - start + 1);
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if (uri == NULL)
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break;
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lstrcpynA(uri, &uriList[start], end - start + 1);
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path = X11DRV_XDND_URIToDOS(uri);
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TRACE("converted URI %s to DOS path %s\n", debugstr_a(uri), debugstr_w(path));
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HeapFree(GetProcessHeap(), 0, uri);
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if (path)
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{
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int pathSize = strlenW(path) + 1;
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if (pathSize > capacity-size)
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{
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capacity = 2*capacity + pathSize;
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out = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, out, (capacity + 1)*sizeof(WCHAR));
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if (out == NULL)
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goto done;
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}
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memcpy(&out[size], path, pathSize * sizeof(WCHAR));
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size += pathSize;
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done:
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HeapFree(GetProcessHeap(), 0, path);
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if (out == NULL)
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break;
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}
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start = end + 2;
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end = start;
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}
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if (out && end >= len)
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{
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DROPFILES *dropFiles;
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dropFiles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DROPFILES) + (size + 1)*sizeof(WCHAR));
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if (dropFiles)
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{
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dropFiles->pFiles = sizeof(DROPFILES);
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dropFiles->pt.x = XDNDxy.x;
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dropFiles->pt.y = XDNDxy.y;
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dropFiles->fNC = 0;
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dropFiles->fWide = TRUE;
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out[size] = '\0';
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memcpy(((char*)dropFiles) + dropFiles->pFiles, out, (size + 1)*sizeof(WCHAR));
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X11DRV_XDND_InsertXDNDData(property, CF_HDROP, dropFiles, sizeof(DROPFILES) + (size + 1)*sizeof(WCHAR));
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count = 1;
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}
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}
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HeapFree(GetProcessHeap(), 0, out);
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return count;
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}
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/**************************************************************************
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* X11DRV_XDND_DeconstructTextPlain
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*
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* Interpret text/plain Data and add records to <dndfmt> linked list
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*/
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static int X11DRV_XDND_DeconstructTextPlain(int property, void* data, int len)
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{
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char* dostext;
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/* Always supply plain text */
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X11DRV_XDND_UnixToDos(&dostext, data, len);
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X11DRV_XDND_InsertXDNDData(property, CF_TEXT, dostext, strlen(dostext));
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TRACE("CF_TEXT (%d): %s\n", CF_TEXT, dostext);
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return 1;
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}
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/**************************************************************************
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* X11DRV_XDND_DeconstructTextHTML
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*
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* Interpret text/html data and add records to <dndfmt> linked list
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*/
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static int X11DRV_XDND_DeconstructTextHTML(int property, void* data, int len)
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{
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char* dostext;
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X11DRV_XDND_UnixToDos(&dostext, data, len);
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X11DRV_XDND_InsertXDNDData(property,
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RegisterClipboardFormatA("UniformResourceLocator"), dostext, strlen(dostext));
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TRACE("UniformResourceLocator: %s\n", dostext);
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return 1;
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}
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/**************************************************************************
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* X11DRV_XDND_SendDropFiles
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*/
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static void X11DRV_XDND_SendDropFiles(HWND hwnd)
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{
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LPXDNDDATA current = NULL;
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BOOL found = FALSE;
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EnterCriticalSection(&xdnd_cs);
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/* Find CF_HDROP type if any */
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LIST_FOR_EACH_ENTRY(current, &xdndData, XDNDDATA, entry)
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{
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if (current->cf_win == CF_HDROP)
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{
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found = TRUE;
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break;
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}
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}
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if (found)
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{
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DROPFILES *lpDrop = current->data;
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if (lpDrop)
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{
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lpDrop->pt.x = XDNDxy.x;
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lpDrop->pt.y = XDNDxy.y;
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TRACE("Sending WM_DROPFILES: hWnd(0x%p) %p(%s)\n", hwnd,
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((char*)lpDrop) + lpDrop->pFiles, debugstr_w((WCHAR*)(((char*)lpDrop) + lpDrop->pFiles)));
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|
|
PostMessageW(hwnd, WM_DROPFILES, (WPARAM)lpDrop, 0L);
|
|
}
|
|
}
|
|
|
|
LeaveCriticalSection(&xdnd_cs);
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_FreeDragDropOp
|
|
*/
|
|
static void X11DRV_XDND_FreeDragDropOp(void)
|
|
{
|
|
LPXDNDDATA next;
|
|
LPXDNDDATA current;
|
|
|
|
TRACE("\n");
|
|
|
|
EnterCriticalSection(&xdnd_cs);
|
|
|
|
/** Free data cache */
|
|
LIST_FOR_EACH_ENTRY_SAFE(current, next, &xdndData, XDNDDATA, entry)
|
|
{
|
|
list_remove(¤t->entry);
|
|
HeapFree(GetProcessHeap(), 0, current);
|
|
}
|
|
|
|
XDNDxy.x = XDNDxy.y = 0;
|
|
|
|
LeaveCriticalSection(&xdnd_cs);
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_UnixToDos
|
|
*/
|
|
static unsigned int X11DRV_XDND_UnixToDos(char** lpdest, char* lpsrc, int len)
|
|
{
|
|
int i;
|
|
unsigned int destlen, lines;
|
|
|
|
for (i = 0, lines = 0; i <= len; i++)
|
|
{
|
|
if (lpsrc[i] == '\n')
|
|
lines++;
|
|
}
|
|
|
|
destlen = len + lines + 1;
|
|
|
|
if (lpdest)
|
|
{
|
|
char* lpstr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, destlen);
|
|
for (i = 0, lines = 0; i <= len; i++)
|
|
{
|
|
if (lpsrc[i] == '\n')
|
|
lpstr[++lines + i] = '\r';
|
|
lpstr[lines + i] = lpsrc[i];
|
|
}
|
|
|
|
*lpdest = lpstr;
|
|
}
|
|
|
|
return lines;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_XDND_URIToDOS
|
|
*/
|
|
static WCHAR* X11DRV_XDND_URIToDOS(char *encodedURI)
|
|
{
|
|
WCHAR *ret = NULL;
|
|
int i;
|
|
int j = 0;
|
|
char *uri = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, strlen(encodedURI) + 1);
|
|
if (uri == NULL)
|
|
return NULL;
|
|
for (i = 0; encodedURI[i]; ++i)
|
|
{
|
|
if (encodedURI[i] == '%')
|
|
{
|
|
if (encodedURI[i+1] && encodedURI[i+2])
|
|
{
|
|
char buffer[3];
|
|
int number;
|
|
buffer[0] = encodedURI[i+1];
|
|
buffer[1] = encodedURI[i+2];
|
|
buffer[2] = '\0';
|
|
sscanf(buffer, "%x", &number);
|
|
uri[j++] = number;
|
|
i += 2;
|
|
}
|
|
else
|
|
{
|
|
WARN("invalid URI encoding in %s\n", debugstr_a(encodedURI));
|
|
HeapFree(GetProcessHeap(), 0, uri);
|
|
return NULL;
|
|
}
|
|
}
|
|
else
|
|
uri[j++] = encodedURI[i];
|
|
}
|
|
|
|
/* Read http://www.freedesktop.org/wiki/Draganddropwarts and cry... */
|
|
if (strncmp(uri, "file:/", 6) == 0)
|
|
{
|
|
if (uri[6] == '/')
|
|
{
|
|
if (uri[7] == '/')
|
|
{
|
|
/* file:///path/to/file (nautilus, thunar) */
|
|
ret = wine_get_dos_file_name(&uri[7]);
|
|
}
|
|
else if (uri[7])
|
|
{
|
|
/* file://hostname/path/to/file (X file drag spec) */
|
|
char hostname[256];
|
|
char *path = strchr(&uri[7], '/');
|
|
if (path)
|
|
{
|
|
*path = '\0';
|
|
if (strcmp(&uri[7], "localhost") == 0)
|
|
{
|
|
*path = '/';
|
|
ret = wine_get_dos_file_name(path);
|
|
}
|
|
else if (gethostname(hostname, sizeof(hostname)) == 0)
|
|
{
|
|
if (strcmp(hostname, &uri[7]) == 0)
|
|
{
|
|
*path = '/';
|
|
ret = wine_get_dos_file_name(path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (uri[6])
|
|
{
|
|
/* file:/path/to/file (konqueror) */
|
|
ret = wine_get_dos_file_name(&uri[5]);
|
|
}
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, uri);
|
|
return ret;
|
|
}
|