dlls/winex11.drv/event.c

   1 /*
   2  * X11 event driver
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *           1999 Noel Borthwick
   6  *
   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.
  11  *
  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.
  16  *
  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
  20  */
  21
  22 #include "config.h"
  23
  24 #ifdef HAVE_POLL_H
  25 #include <poll.h>
  26 #endif
  27 #ifdef HAVE_SYS_POLL_H
  28 #include <sys/poll.h>
  29 #endif
  30 #include <X11/Xatom.h>
  31 #include <X11/keysym.h>
  32 #include <X11/Xlib.h>
  33 #include <X11/Xresource.h>
  34 #include <X11/Xutil.h>
  35
  36 #include <assert.h>
  37 #include <stdarg.h>
  38 #include <string.h>
  39
  40 #define NONAMELESSUNION
  41 #define NONAMELESSSTRUCT
  42 #include "windef.h"
  43 #include "winbase.h"
  44 #include "winuser.h"
  45 #include "wingdi.h"
  46
  47 #include "x11drv.h"
  48
  49 /* avoid conflict with field names in included win32 headers */
  50 #undef Status
  51 #include "shlobj.h"  /* DROPFILES */
  52 #include "shellapi.h"
  53
  54 #include "wine/server.h"
  55 #include "wine/debug.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(event);
  58
  59 extern BOOL ximInComposeMode;
  60
  61 #define DndNotDnd       -1    /* OffiX drag&drop */
  62 #define DndUnknown      0
  63 #define DndRawData      1
  64 #define DndFile         2
  65 #define DndFiles        3
  66 #define DndText         4
  67 #define DndDir          5
  68 #define DndLink         6
  69 #define DndExe          7
  70
  71 #define DndEND          8
  72
  73 #define DndURL          128   /* KDE drag&drop */
  74
  75   /* Event handlers */
  76 static void X11DRV_FocusIn( HWND hwnd, XEvent *event );
  77 static void X11DRV_FocusOut( HWND hwnd, XEvent *event );
  78 static void X11DRV_Expose( HWND hwnd, XEvent *event );
  79 static void X11DRV_MapNotify( HWND hwnd, XEvent *event );
  80 static void X11DRV_ConfigureNotify( HWND hwnd, XEvent *event );
  81 static void X11DRV_PropertyNotify( HWND hwnd, XEvent *event );
  82 static void X11DRV_ClientMessage( HWND hwnd, XEvent *event );
  83
  84 struct event_handler
  85 {
  86     int                  type;    /* event type */
  87     x11drv_event_handler handler; /* corresponding handler function */
  88 };
  89
  90 #define MAX_EVENT_HANDLERS 64
  91
  92 static struct event_handler handlers[MAX_EVENT_HANDLERS] =
  93 {
  94     /* list must be sorted by event type */
  95     { KeyPress,         X11DRV_KeyEvent },
  96     { KeyRelease,       X11DRV_KeyEvent },
  97     { ButtonPress,      X11DRV_ButtonPress },
  98     { ButtonRelease,    X11DRV_ButtonRelease },
  99     { MotionNotify,     X11DRV_MotionNotify },
 100     { EnterNotify,      X11DRV_EnterNotify },
 101     /* LeaveNotify */
 102     { FocusIn,          X11DRV_FocusIn },
 103     { FocusOut,         X11DRV_FocusOut },
 104     { KeymapNotify,     X11DRV_KeymapNotify },
 105     { Expose,           X11DRV_Expose },
 106     /* GraphicsExpose */
 107     /* NoExpose */
 108     /* VisibilityNotify */
 109     /* CreateNotify */
 110     { DestroyNotify,    X11DRV_DestroyNotify },
 111     /* UnmapNotify */
 112     { MapNotify,        X11DRV_MapNotify },
 113     /* MapRequest */
 114     /* ReparentNotify */
 115     { ConfigureNotify,  X11DRV_ConfigureNotify },
 116     /* ConfigureRequest */
 117     /* GravityNotify */
 118     /* ResizeRequest */
 119     /* CirculateNotify */
 120     /* CirculateRequest */
 121     { PropertyNotify,   X11DRV_PropertyNotify },
 122     { SelectionClear,   X11DRV_SelectionClear },
 123     { SelectionRequest, X11DRV_SelectionRequest },
 124     /* SelectionNotify */
 125     /* ColormapNotify */
 126     { ClientMessage,    X11DRV_ClientMessage },
 127     { MappingNotify,    X11DRV_MappingNotify },
 128 };
 129
 130 static int nb_event_handlers = 18;  /* change this if you add handlers above */
 131
 132
 133 /* return the name of an X event */
 134 static const char *dbgstr_event( int type )
 135 {
 136     static const char * const event_names[] =
 137     {
 138         "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease",
 139         "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", "FocusOut",
 140         "KeymapNotify", "Expose", "GraphicsExpose", "NoExpose", "VisibilityNotify",
 141         "CreateNotify", "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",
 142         "ReparentNotify", "ConfigureNotify", "ConfigureRequest", "GravityNotify",
 143         "ResizeRequest", "CirculateNotify", "CirculateRequest", "PropertyNotify",
 144         "SelectionClear", "SelectionRequest", "SelectionNotify", "ColormapNotify",
 145         "ClientMessage", "MappingNotify"
 146     };
 147
 148     if (type >= KeyPress && type <= MappingNotify) return event_names[type - KeyPress];
 149     return wine_dbg_sprintf( "Extension event %d", type );
 150 }
 151
 152
 153 /***********************************************************************
 154  *           find_handler
 155  *
 156  * Find the handler for a given event type. Caller must hold the x11 lock.
 157  */
 158 static inline x11drv_event_handler find_handler( int type )
 159 {
 160     int min = 0, max = nb_event_handlers - 1;
 161
 162     while (min <= max)
 163     {
 164         int pos = (min + max) / 2;
 165         if (handlers[pos].type == type) return handlers[pos].handler;
 166         if (handlers[pos].type > type) max = pos - 1;
 167         else min = pos + 1;
 168     }
 169     return NULL;
 170 }
 171
 172
 173 /***********************************************************************
 174  *           X11DRV_register_event_handler
 175  *
 176  * Register a handler for a given event type.
 177  * If already registered, overwrite the previous handler.
 178  */
 179 void X11DRV_register_event_handler( int type, x11drv_event_handler handler )
 180 {
 181     int min, max;
 182
 183     wine_tsx11_lock();
 184     min = 0;
 185     max = nb_event_handlers - 1;
 186     while (min <= max)
 187     {
 188         int pos = (min + max) / 2;
 189         if (handlers[pos].type == type)
 190         {
 191             handlers[pos].handler = handler;
 192             goto done;
 193         }
 194         if (handlers[pos].type > type) max = pos - 1;
 195         else min = pos + 1;
 196     }
 197     /* insert it between max and min */
 198     memmove( &handlers[min+1], &handlers[min], (nb_event_handlers - min) * sizeof(handlers[0]) );
 199     handlers[min].type = type;
 200     handlers[min].handler = handler;
 201     nb_event_handlers++;
 202     assert( nb_event_handlers <= MAX_EVENT_HANDLERS );
 203 done:
 204     wine_tsx11_unlock();
 205     TRACE("registered handler %p for event %d count %d\n", handler, type, nb_event_handlers );
 206 }
 207
 208
 209 /***********************************************************************
 210  *           filter_event
 211  */
 212 static Bool filter_event( Display *display, XEvent *event, char *arg )
 213 {
 214     ULONG_PTR mask = (ULONG_PTR)arg;
 215
 216     if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return 1;
 217
 218     switch(event->type)
 219     {
 220     case KeyPress:
 221     case KeyRelease:
 222     case KeymapNotify:
 223     case MappingNotify:
 224         return (mask & QS_KEY) != 0;
 225     case ButtonPress:
 226     case ButtonRelease:
 227         return (mask & QS_MOUSEBUTTON) != 0;
 228     case MotionNotify:
 229     case EnterNotify:
 230     case LeaveNotify:
 231         return (mask & QS_MOUSEMOVE) != 0;
 232     case Expose:
 233         return (mask & QS_PAINT) != 0;
 234     case FocusIn:
 235     case FocusOut:
 236     case MapNotify:
 237     case UnmapNotify:
 238     case ConfigureNotify:
 239     case PropertyNotify:
 240     case ClientMessage:
 241         return (mask & QS_POSTMESSAGE) != 0;
 242     default:
 243         return (mask & QS_SENDMESSAGE) != 0;
 244     }
 245 }
 246
 247
 248 enum event_merge_action
 249 {
 250     MERGE_DISCARD,  /* discard the old event */
 251     MERGE_HANDLE,   /* handle the old event */
 252     MERGE_KEEP      /* keep the old event for future merging */
 253 };
 254
 255 /***********************************************************************
 256  *           merge_events
 257  *
 258  * Try to merge 2 consecutive events.
 259  */
 260 static enum event_merge_action merge_events( XEvent *prev, XEvent *next )
 261 {
 262     switch (prev->type)
 263     {
 264     case ConfigureNotify:
 265         switch (next->type)
 266         {
 267         case ConfigureNotify:
 268             if (prev->xany.window == next->xany.window)
 269             {
 270                 TRACE( "discarding duplicate ConfigureNotify for window %lx\n", prev->xany.window );
 271                 return MERGE_DISCARD;
 272             }
 273             break;
 274         case Expose:
 275         case PropertyNotify:
 276             return MERGE_KEEP;
 277         }
 278         break;
 279     case MotionNotify:
 280         if (prev->xany.window == next->xany.window && next->type == MotionNotify)
 281         {
 282             TRACE( "discarding duplicate MotionNotify for window %lx\n", prev->xany.window );
 283             return MERGE_DISCARD;
 284         }
 285         break;
 286     }
 287     return MERGE_HANDLE;
 288 }
 289
 290
 291 /***********************************************************************
 292  *           call_event_handler
 293  */
 294 static inline void call_event_handler( Display *display, XEvent *event )
 295 {
 296     HWND hwnd;
 297     x11drv_event_handler handler;
 298     XEvent *prev;
 299     struct x11drv_thread_data *thread_data;
 300
 301     if (!(handler = find_handler( event->type )))
 302     {
 303         TRACE( "%s for win %lx, ignoring\n", dbgstr_event( event->type ), event->xany.window );
 304         return;  /* no handler, ignore it */
 305     }
 306
 307     if (XFindContext( display, event->xany.window, winContext, (char **)&hwnd ) != 0)
 308         hwnd = 0;  /* not for a registered window */
 309     if (!hwnd && event->xany.window == root_window) hwnd = GetDesktopWindow();
 310
 311     TRACE( "%lu %s for hwnd/window %p/%lx\n",
 312            event->xany.serial, dbgstr_event( event->type ), hwnd, event->xany.window );
 313     wine_tsx11_unlock();
 314     thread_data = x11drv_thread_data();
 315     prev = thread_data->current_event;
 316     thread_data->current_event = event;
 317     handler( hwnd, event );
 318     thread_data->current_event = prev;
 319     wine_tsx11_lock();
 320 }
 321
 322
 323 /***********************************************************************
 324  *           process_events
 325  */
 326 static int process_events( Display *display, Bool (*filter)(Display*, XEvent*,XPointer), ULONG_PTR arg )
 327 {
 328     XEvent event, prev_event;
 329     int count = 0;
 330     enum event_merge_action action = MERGE_DISCARD;
 331
 332     prev_event.type = 0;
 333     wine_tsx11_lock();
 334     while (XCheckIfEvent( display, &event, filter, (char *)arg ))
 335     {
 336         count++;
 337         if (XFilterEvent( &event, None ))
 338         {
 339             /*
 340              * SCIM on linux filters key events strangely. It does not filter the
 341              * KeyPress events for these keys however it does filter the
 342              * KeyRelease events. This causes wine to become very confused as
 343              * to the keyboard state.
 344              *
 345              * We need to let those KeyRelease events be processed so that the
 346              * keyboard state is correct.
 347              */
 348             if (event.type == KeyRelease)
 349             {
 350                 KeySym keysym = 0;
 351                 XKeyEvent *keyevent = &event.xkey;
 352
 353                 XLookupString(keyevent, NULL, 0, &keysym, NULL);
 354                 if (!(keysym == XK_Shift_L ||
 355                     keysym == XK_Shift_R ||
 356                     keysym == XK_Control_L ||
 357                     keysym == XK_Control_R ||
 358                     keysym == XK_Alt_R ||
 359                     keysym == XK_Alt_L ||
 360                     keysym == XK_Meta_R ||
 361                     keysym == XK_Meta_L))
 362                         continue; /* not a key we care about, ignore it */
 363             }
 364             else
 365                 continue;  /* filtered, ignore it */
 366         }
 367         if (prev_event.type) action = merge_events( &prev_event, &event );
 368         switch( action )
 369         {
 370         case MERGE_DISCARD:  /* discard prev, keep new */
 371             prev_event = event;
 372             break;
 373         case MERGE_HANDLE:  /* handle prev, keep new */
 374             call_event_handler( display, &prev_event );
 375             prev_event = event;
 376             break;
 377         case MERGE_KEEP:  /* handle new, keep prev for future merging */
 378             call_event_handler( display, &event );
 379             break;
 380         }
 381     }
 382     if (prev_event.type) call_event_handler( display, &prev_event );
 383     XFlush( gdi_display );
 384     wine_tsx11_unlock();
 385     if (count) TRACE( "processed %d events\n", count );
 386     return count;
 387 }
 388
 389
 390 /***********************************************************************
 391  *           MsgWaitForMultipleObjectsEx   (X11DRV.@)
 392  */
 393 DWORD CDECL X11DRV_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
 394                                                 DWORD timeout, DWORD mask, DWORD flags )
 395 {
 396     DWORD ret;
 397     struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
 398
 399     if (!data)
 400     {
 401         if (!count && !timeout) return WAIT_TIMEOUT;
 402         return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 403                                          timeout, flags & MWMO_ALERTABLE );
 404     }
 405
 406     if (data->current_event) mask = 0;  /* don't process nested events */
 407
 408     if (process_events( data->display, filter_event, mask )) ret = count - 1;
 409     else if (count || timeout)
 410     {
 411         ret = WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 412                                         timeout, flags & MWMO_ALERTABLE );
 413         if (ret == count - 1) process_events( data->display, filter_event, mask );
 414     }
 415     else ret = WAIT_TIMEOUT;
 416
 417     return ret;
 418 }
 419
 420 /***********************************************************************
 421  *           EVENT_x11_time_to_win32_time
 422  *
 423  * Make our timer and the X timer line up as best we can
 424  *  Pass 0 to retrieve the current adjustment value (times -1)
 425  */
 426 DWORD EVENT_x11_time_to_win32_time(Time time)
 427 {
 428   static DWORD adjust = 0;
 429   DWORD now = GetTickCount();
 430   DWORD ret;
 431
 432   if (! adjust && time != 0)
 433   {
 434     ret = now;
 435     adjust = time - now;
 436   }
 437   else
 438   {
 439       /* If we got an event in the 'future', then our clock is clearly wrong.
 440          If we got it more than 10000 ms in the future, then it's most likely
 441          that the clock has wrapped.  */
 442
 443       ret = time - adjust;
 444       if (ret > now && ((ret - now) < 10000) && time != 0)
 445       {
 446         adjust += ret - now;
 447         ret    -= ret - now;
 448       }
 449   }
 450
 451   return ret;
 452
 453 }
 454
 455 /*******************************************************************
 456  *         can_activate_window
 457  *
 458  * Check if we can activate the specified window.
 459  */
 460 static inline BOOL can_activate_window( HWND hwnd )
 461 {
 462     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
 463     if (!(style & WS_VISIBLE)) return FALSE;
 464     if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
 465     if (style & WS_MINIMIZE) return FALSE;
 466     if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOACTIVATE) return FALSE;
 467     if (hwnd == GetDesktopWindow()) return FALSE;
 468     return !(style & WS_DISABLED);
 469 }
 470
 471
 472 /**********************************************************************
 473  *              set_focus
 474  */
 475 static void set_focus( Display *display, HWND hwnd, Time time )
 476 {
 477     HWND focus;
 478     Window win;
 479     GUITHREADINFO threadinfo;
 480
 481     TRACE( "setting foreground window to %p\n", hwnd );
 482     SetForegroundWindow( hwnd );
 483
 484     GetGUIThreadInfo(0, &threadinfo);
 485     focus = threadinfo.hwndFocus;
 486     if (focus) focus = GetAncestor( focus, GA_ROOT );
 487     win = X11DRV_get_whole_window(focus);
 488
 489     if (win)
 490     {
 491         TRACE( "setting focus to %p (%lx) time=%ld\n", focus, win, time );
 492         wine_tsx11_lock();
 493         XSetInputFocus( display, win, RevertToParent, time );
 494         wine_tsx11_unlock();
 495     }
 496 }
 497
 498
 499 /**********************************************************************
 500  *              handle_wm_protocols
 501  */
 502 static void handle_wm_protocols( HWND hwnd, XClientMessageEvent *event )
 503 {
 504     Atom protocol = (Atom)event->data.l[0];
 505
 506     if (!protocol) return;
 507
 508     if (protocol == x11drv_atom(WM_DELETE_WINDOW))
 509     {
 510         if (hwnd == GetDesktopWindow())
 511         {
 512             /* The desktop window does not have a close button that we can
 513              * pretend to click. Therefore, we simply send it a close command. */
 514             SendMessageW(hwnd, WM_SYSCOMMAND, SC_CLOSE, 0);
 515             return;
 516         }
 517
 518         /* Ignore the delete window request if the window has been disabled
 519          * and we are in managed mode. This is to disallow applications from
 520          * being closed by the window manager while in a modal state.
 521          */
 522         if (IsWindowEnabled(hwnd))
 523         {
 524             HMENU hSysMenu;
 525             POINT pt;
 526
 527             if (GetClassLongW(hwnd, GCL_STYLE) & CS_NOCLOSE) return;
 528             hSysMenu = GetSystemMenu(hwnd, FALSE);
 529             if (hSysMenu)
 530             {
 531                 UINT state = GetMenuState(hSysMenu, SC_CLOSE, MF_BYCOMMAND);
 532                 if (state == 0xFFFFFFFF || (state & (MF_DISABLED | MF_GRAYED)))
 533                     return;
 534             }
 535             if (GetActiveWindow() != hwnd)
 536             {
 537                 LRESULT ma = SendMessageW( hwnd, WM_MOUSEACTIVATE,
 538                                            (WPARAM)GetAncestor( hwnd, GA_ROOT ),
 539                                            MAKELPARAM( HTCLOSE, WM_NCLBUTTONDOWN ) );
 540                 switch(ma)
 541                 {
 542                     case MA_NOACTIVATEANDEAT:
 543                     case MA_ACTIVATEANDEAT:
 544                         return;
 545                     case MA_NOACTIVATE:
 546                         break;
 547                     case MA_ACTIVATE:
 548                     case 0:
 549                         SetActiveWindow(hwnd);
 550                         break;
 551                     default:
 552                         WARN( "unknown WM_MOUSEACTIVATE code %d\n", (int) ma );
 553                         break;
 554                 }
 555             }
 556             /* Simulate clicking the caption Close button */
 557             GetCursorPos( &pt );
 558             PostMessageW( hwnd, WM_NCLBUTTONDOWN, HTCLOSE, MAKELPARAM( pt.x, pt.y ) );
 559             PostMessageW( hwnd, WM_LBUTTONUP, HTCLOSE, MAKELPARAM( pt.x, pt.y ) );
 560         }
 561     }
 562     else if (protocol == x11drv_atom(WM_TAKE_FOCUS))
 563     {
 564         Time event_time = (Time)event->data.l[1];
 565         HWND last_focus = x11drv_thread_data()->last_focus;
 566
 567         TRACE( "got take focus msg for %p, enabled=%d, visible=%d (style %08x), focus=%p, active=%p, fg=%p, last=%p\n",
 568                hwnd, IsWindowEnabled(hwnd), IsWindowVisible(hwnd), GetWindowLongW(hwnd, GWL_STYLE),
 569                GetFocus(), GetActiveWindow(), GetForegroundWindow(), last_focus );
 570
 571         if (can_activate_window(hwnd))
 572         {
 573             /* simulate a mouse click on the caption to find out
 574              * whether the window wants to be activated */
 575             LRESULT ma = SendMessageW( hwnd, WM_MOUSEACTIVATE,
 576                                        (WPARAM)GetAncestor( hwnd, GA_ROOT ),
 577                                        MAKELONG(HTCAPTION,WM_LBUTTONDOWN) );
 578             if (ma != MA_NOACTIVATEANDEAT && ma != MA_NOACTIVATE)
 579             {
 580                 set_focus( event->display, hwnd, event_time );
 581                 return;
 582             }
 583         }
 584         else if (hwnd == GetDesktopWindow())
 585         {
 586             hwnd = GetForegroundWindow();
 587             if (!hwnd) hwnd = last_focus;
 588             if (!hwnd) hwnd = GetDesktopWindow();
 589             set_focus( event->display, hwnd, event_time );
 590             return;
 591         }
 592         /* try to find some other window to give the focus to */
 593         hwnd = GetFocus();
 594         if (hwnd) hwnd = GetAncestor( hwnd, GA_ROOT );
 595         if (!hwnd) hwnd = GetActiveWindow();
 596         if (!hwnd) hwnd = last_focus;
 597         if (hwnd && can_activate_window(hwnd)) set_focus( event->display, hwnd, event_time );
 598     }
 599     else if (protocol == x11drv_atom(_NET_WM_PING))
 600     {
 601       XClientMessageEvent xev;
 602       xev = *event;
 603
 604       TRACE("NET_WM Ping\n");
 605       wine_tsx11_lock();
 606       xev.window = DefaultRootWindow(xev.display);
 607       XSendEvent(xev.display, xev.window, False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent*)&xev);
 608       wine_tsx11_unlock();
 609       /* this line is semi-stolen from gtk2 */
 610       TRACE("NET_WM Pong\n");
 611     }
 612 }
 613
 614
 615 static const char * const focus_details[] =
 616 {
 617     "NotifyAncestor",
 618     "NotifyVirtual",
 619     "NotifyInferior",
 620     "NotifyNonlinear",
 621     "NotifyNonlinearVirtual",
 622     "NotifyPointer",
 623     "NotifyPointerRoot",
 624     "NotifyDetailNone"
 625 };
 626
 627 /**********************************************************************
 628  *              X11DRV_FocusIn
 629  */
 630 static void X11DRV_FocusIn( HWND hwnd, XEvent *xev )
 631 {
 632     XFocusChangeEvent *event = &xev->xfocus;
 633     XIC xic;
 634
 635     if (!hwnd) return;
 636
 637     TRACE( "win %p xwin %lx detail=%s\n", hwnd, event->window, focus_details[event->detail] );
 638
 639     if (event->detail == NotifyPointer) return;
 640
 641     if ((xic = X11DRV_get_ic( hwnd )))
 642     {
 643         wine_tsx11_lock();
 644         XSetICFocus( xic );
 645         wine_tsx11_unlock();
 646     }
 647     if (use_take_focus) return;  /* ignore FocusIn if we are using take focus */
 648
 649     if (!can_activate_window(hwnd))
 650     {
 651         HWND hwnd = GetFocus();
 652         if (hwnd) hwnd = GetAncestor( hwnd, GA_ROOT );
 653         if (!hwnd) hwnd = GetActiveWindow();
 654         if (!hwnd) hwnd = x11drv_thread_data()->last_focus;
 655         if (hwnd && can_activate_window(hwnd)) set_focus( event->display, hwnd, CurrentTime );
 656     }
 657     else SetForegroundWindow( hwnd );
 658 }
 659
 660
 661 /**********************************************************************
 662  *              X11DRV_FocusOut
 663  *
 664  * Note: only top-level windows get FocusOut events.
 665  */
 666 static void X11DRV_FocusOut( HWND hwnd, XEvent *xev )
 667 {
 668     XFocusChangeEvent *event = &xev->xfocus;
 669     HWND hwnd_tmp;
 670     Window focus_win;
 671     int revert;
 672     XIC xic;
 673
 674     if (!hwnd) return;
 675
 676     TRACE( "win %p xwin %lx detail=%s\n", hwnd, event->window, focus_details[event->detail] );
 677
 678     if (event->detail == NotifyPointer) return;
 679     if (ximInComposeMode) return;
 680
 681     x11drv_thread_data()->last_focus = hwnd;
 682     if ((xic = X11DRV_get_ic( hwnd )))
 683     {
 684         wine_tsx11_lock();
 685         XUnsetICFocus( xic );
 686         wine_tsx11_unlock();
 687     }
 688     if (hwnd != GetForegroundWindow()) return;
 689     if (root_window != DefaultRootWindow(event->display)) return;
 690     SendMessageW( hwnd, WM_CANCELMODE, 0, 0 );
 691
 692     /* don't reset the foreground window, if the window which is
 693        getting the focus is a Wine window */
 694
 695     wine_tsx11_lock();
 696     XGetInputFocus( event->display, &focus_win, &revert );
 697     if (focus_win)
 698     {
 699         if (XFindContext( event->display, focus_win, winContext, (char **)&hwnd_tmp ) != 0)
 700             focus_win = 0;
 701     }
 702     wine_tsx11_unlock();
 703
 704     if (!focus_win)
 705     {
 706         /* Abey : 6-Oct-99. Check again if the focus out window is the
 707            Foreground window, because in most cases the messages sent
 708            above must have already changed the foreground window, in which
 709            case we don't have to change the foreground window to 0 */
 710         if (hwnd == GetForegroundWindow())
 711         {
 712             TRACE( "lost focus, setting fg to desktop\n" );
 713             SetForegroundWindow( GetDesktopWindow() );
 714         }
 715     }
 716 }
 717
 718
 719 /***********************************************************************
 720  *           X11DRV_Expose
 721  */
 722 static void X11DRV_Expose( HWND hwnd, XEvent *xev )
 723 {
 724     XExposeEvent *event = &xev->xexpose;
 725     RECT rect;
 726     struct x11drv_win_data *data;
 727     int flags = RDW_INVALIDATE | RDW_ERASE;
 728
 729     TRACE( "win %p (%lx) %d,%d %dx%d\n",
 730            hwnd, event->window, event->x, event->y, event->width, event->height );
 731
 732     if (!(data = X11DRV_get_win_data( hwnd ))) return;
 733
 734     if (event->window == data->whole_window)
 735     {
 736         rect.left = data->whole_rect.left + event->x;
 737         rect.top  = data->whole_rect.top + event->y;
 738         flags |= RDW_FRAME;
 739     }
 740     else
 741     {
 742         rect.left = data->client_rect.left + event->x;
 743         rect.top  = data->client_rect.top + event->y;
 744     }
 745     rect.right  = rect.left + event->width;
 746     rect.bottom = rect.top + event->height;
 747
 748     if (event->window != root_window)
 749     {
 750         SERVER_START_REQ( update_window_zorder )
 751         {
 752             req->window      = wine_server_user_handle( hwnd );
 753             req->rect.left   = rect.left;
 754             req->rect.top    = rect.top;
 755             req->rect.right  = rect.right;
 756             req->rect.bottom = rect.bottom;
 757             wine_server_call( req );
 758         }
 759         SERVER_END_REQ;
 760
 761         /* make position relative to client area instead of parent */
 762         OffsetRect( &rect, -data->client_rect.left, -data->client_rect.top );
 763         flags |= RDW_ALLCHILDREN;
 764     }
 765
 766     RedrawWindow( hwnd, &rect, 0, flags );
 767 }
 768
 769
 770 /**********************************************************************
 771  *              X11DRV_MapNotify
 772  */
 773 static void X11DRV_MapNotify( HWND hwnd, XEvent *event )
 774 {
 775     struct x11drv_win_data *data;
 776
 777     if (!(data = X11DRV_get_win_data( hwnd ))) return;
 778     if (!data->mapped) return;
 779
 780     if (!data->managed)
 781     {
 782         HWND hwndFocus = GetFocus();
 783         if (hwndFocus && IsChild( hwnd, hwndFocus )) X11DRV_SetFocus(hwndFocus);  /* FIXME */
 784     }
 785 }
 786
 787
 788 /***********************************************************************
 789  *     is_net_wm_state_maximized
 790  */
 791 static BOOL is_net_wm_state_maximized( Display *display, struct x11drv_win_data *data )
 792 {
 793     Atom type, *state;
 794     int format, ret = 0;
 795     unsigned long i, count, remaining;
 796
 797     wine_tsx11_lock();
 798     if (!XGetWindowProperty( display, data->whole_window, x11drv_atom(_NET_WM_STATE), 0,
 799                              65536/sizeof(CARD32), False, XA_ATOM, &type, &format, &count,
 800                              &remaining, (unsigned char **)&state ))
 801     {
 802         if (type == XA_ATOM && format == 32)
 803         {
 804             for (i = 0; i < count; i++)
 805             {
 806                 if (state[i] == x11drv_atom(_NET_WM_STATE_MAXIMIZED_VERT) ||
 807                     state[i] == x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ))
 808                     ret++;
 809             }
 810         }
 811         XFree( state );
 812     }
 813     wine_tsx11_unlock();
 814     return (ret == 2);
 815 }
 816
 817
 818 /***********************************************************************
 819  *              X11DRV_ConfigureNotify
 820  */
 821 void X11DRV_ConfigureNotify( HWND hwnd, XEvent *xev )
 822 {
 823     XConfigureEvent *event = &xev->xconfigure;
 824     struct x11drv_win_data *data;
 825     RECT rect;
 826     UINT flags;
 827     int cx, cy, x = event->x, y = event->y;
 828
 829     if (!hwnd) return;
 830     if (!(data = X11DRV_get_win_data( hwnd ))) return;
 831     if (!data->mapped || data->iconic || !data->managed) return;
 832     if (data->configure_serial && (long)(data->configure_serial - event->serial) > 0)
 833     {
 834         TRACE( "win %p/%lx event %d,%d,%dx%d ignoring old serial %lu/%lu\n",
 835                hwnd, data->whole_window, event->x, event->y, event->width, event->height,
 836                event->serial, data->configure_serial );
 837         return;
 838     }
 839
 840     /* Get geometry */
 841
 842     if (!event->send_event)  /* normal event, need to map coordinates to the root */
 843     {
 844         Window child;
 845         wine_tsx11_lock();
 846         XTranslateCoordinates( event->display, data->whole_window, root_window,
 847                                0, 0, &x, &y, &child );
 848         wine_tsx11_unlock();
 849     }
 850     rect.left   = x;
 851     rect.top    = y;
 852     rect.right  = x + event->width;
 853     rect.bottom = y + event->height;
 854     OffsetRect( &rect, virtual_screen_rect.left, virtual_screen_rect.top );
 855     TRACE( "win %p/%lx new X rect %d,%d,%dx%d (event %d,%d,%dx%d)\n",
 856            hwnd, data->whole_window, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
 857            event->x, event->y, event->width, event->height );
 858     X11DRV_X_to_window_rect( data, &rect );
 859
 860     if (is_net_wm_state_maximized( event->display, data ))
 861     {
 862         if (!IsZoomed( data->hwnd ))
 863         {
 864             TRACE( "win %p/%lx is maximized\n", data->hwnd, data->whole_window );
 865             SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0 );
 866             return;
 867         }
 868     }
 869     else
 870     {
 871         if (IsZoomed( data->hwnd ))
 872         {
 873             TRACE( "window %p/%lx is no longer maximized\n", data->hwnd, data->whole_window );
 874             SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_RESTORE, 0 );
 875             return;
 876         }
 877     }
 878
 879     /* Compare what has changed */
 880
 881     x     = rect.left;
 882     y     = rect.top;
 883     cx    = rect.right - rect.left;
 884     cy    = rect.bottom - rect.top;
 885     flags = SWP_NOACTIVATE | SWP_NOZORDER;
 886
 887     if (data->window_rect.left == x && data->window_rect.top == y) flags |= SWP_NOMOVE;
 888     else
 889         TRACE( "%p moving from (%d,%d) to (%d,%d)\n",
 890                hwnd, data->window_rect.left, data->window_rect.top, x, y );
 891
 892     if ((data->window_rect.right - data->window_rect.left == cx &&
 893          data->window_rect.bottom - data->window_rect.top == cy) ||
 894         (IsRectEmpty( &data->window_rect ) && event->width == 1 && event->height == 1))
 895     {
 896         if (flags & SWP_NOMOVE) return;  /* if nothing changed, don't do anything */
 897         flags |= SWP_NOSIZE;
 898     }
 899     else
 900         TRACE( "%p resizing from (%dx%d) to (%dx%d)\n",
 901                hwnd, data->window_rect.right - data->window_rect.left,
 902                data->window_rect.bottom - data->window_rect.top, cx, cy );
 903
 904     SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
 905 }
 906
 907
 908 /***********************************************************************
 909  *           get_window_wm_state
 910  */
 911 static int get_window_wm_state( Display *display, struct x11drv_win_data *data )
 912 {
 913     struct
 914     {
 915         CARD32 state;
 916         XID     icon;
 917     } *state;
 918     Atom type;
 919     int format, ret = -1;
 920     unsigned long count, remaining;
 921
 922     wine_tsx11_lock();
 923     if (!XGetWindowProperty( display, data->whole_window, x11drv_atom(WM_STATE), 0,
 924                              sizeof(*state)/sizeof(CARD32), False, x11drv_atom(WM_STATE),
 925                              &type, &format, &count, &remaining, (unsigned char **)&state ))
 926     {
 927         if (type == x11drv_atom(WM_STATE) && get_property_size( format, count ) >= sizeof(*state))
 928             ret = state->state;
 929         XFree( state );
 930     }
 931     wine_tsx11_unlock();
 932     return ret;
 933 }
 934
 935
 936 /***********************************************************************
 937  *           handle_wm_state_notify
 938  *
 939  * Handle a PropertyNotify for WM_STATE.
 940  */
 941 static void handle_wm_state_notify( struct x11drv_win_data *data, XPropertyEvent *event,
 942                                     BOOL update_window )
 943 {
 944     switch(event->state)
 945     {
 946     case PropertyDelete:
 947         TRACE( "%p/%lx: WM_STATE deleted from %d\n", data->hwnd, data->whole_window, data->wm_state );
 948         data->wm_state = WithdrawnState;
 949         break;
 950     case PropertyNewValue:
 951         {
 952             int old_state = data->wm_state;
 953             int new_state = get_window_wm_state( event->display, data );
 954             if (new_state != -1 && new_state != data->wm_state)
 955             {
 956                 TRACE( "%p/%lx: new WM_STATE %d from %d\n",
 957                        data->hwnd, data->whole_window, new_state, old_state );
 958                 data->wm_state = new_state;
 959                 /* ignore the initial state transition out of withdrawn state */
 960                 /* metacity does Withdrawn->NormalState->IconicState when mapping an iconic window */
 961                 if (!old_state) return;
 962             }
 963         }
 964         break;
 965     }
 966
 967     if (!update_window || !data->managed || !data->mapped) return;
 968
 969     if (data->iconic && data->wm_state == NormalState)  /* restore window */
 970     {
 971         data->iconic = FALSE;
 972         if (is_net_wm_state_maximized( event->display, data ))
 973         {
 974             TRACE( "restoring to max %p/%lx\n", data->hwnd, data->whole_window );
 975             SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0 );
 976         }
 977         else
 978         {
 979             TRACE( "restoring win %p/%lx\n", data->hwnd, data->whole_window );
 980             SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_RESTORE, 0 );
 981         }
 982     }
 983     else if (!data->iconic && data->wm_state == IconicState)
 984     {
 985         TRACE( "minimizing win %p/%lx\n", data->hwnd, data->whole_window );
 986         data->iconic = TRUE;
 987         SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_MINIMIZE, 0 );
 988     }
 989 }
 990
 991
 992 /***********************************************************************
 993  *           X11DRV_PropertyNotify
 994  */
 995 static void X11DRV_PropertyNotify( HWND hwnd, XEvent *xev )
 996 {
 997     XPropertyEvent *event = &xev->xproperty;
 998     struct x11drv_win_data *data;
 999
1000     if (!hwnd) return;
1001     if (!(data = X11DRV_get_win_data( hwnd ))) return;
1002
1003     if (event->atom == x11drv_atom(WM_STATE)) handle_wm_state_notify( data, event, TRUE );
1004 }
1005
1006
1007 /* event filter to wait for a WM_STATE change notification on a window */
1008 static Bool is_wm_state_notify( Display *display, XEvent *event, XPointer arg )
1009 {
1010     if (event->xany.window != (Window)arg) return 0;
1011     return (event->type == DestroyNotify ||
1012             (event->type == PropertyNotify && event->xproperty.atom == x11drv_atom(WM_STATE)));
1013 }
1014
1015 /***********************************************************************
1016  *           wait_for_withdrawn_state
1017  */
1018 void wait_for_withdrawn_state( Display *display, struct x11drv_win_data *data, BOOL set )
1019 {
1020     DWORD end = GetTickCount() + 2000;
1021
1022     if (!data->managed) return;
1023
1024     TRACE( "waiting for window %p/%lx to become %swithdrawn\n",
1025            data->hwnd, data->whole_window, set ? "" : "not " );
1026
1027     while (data->whole_window && ((data->wm_state == WithdrawnState) == !set))
1028     {
1029         XEvent event;
1030         int count = 0;
1031
1032         wine_tsx11_lock();
1033         while (XCheckIfEvent( display, &event, is_wm_state_notify, (char *)data->whole_window ))
1034         {
1035             count++;
1036             if (XFilterEvent( &event, None )) continue;  /* filtered, ignore it */
1037             if (event.type == DestroyNotify) call_event_handler( display, &event );
1038             else
1039             {
1040                 wine_tsx11_unlock();
1041                 handle_wm_state_notify( data, &event.xproperty, FALSE );
1042                 wine_tsx11_lock();
1043             }
1044         }
1045         wine_tsx11_unlock();
1046
1047         if (!count)
1048         {
1049             struct pollfd pfd;
1050             int timeout = end - GetTickCount();
1051
1052             pfd.fd = ConnectionNumber(display);
1053             pfd.events = POLLIN;
1054             if (timeout <= 0 || poll( &pfd, 1, timeout ) != 1)
1055             {
1056                 FIXME( "window %p/%lx wait timed out\n", data->hwnd, data->whole_window );
1057                 break;
1058             }
1059         }
1060     }
1061     TRACE( "window %p/%lx state now %d\n", data->hwnd, data->whole_window, data->wm_state );
1062 }
1063
1064
1065 static HWND find_drop_window( HWND hQueryWnd, LPPOINT lpPt )
1066 {
1067     RECT tempRect;
1068
1069     if (!IsWindowEnabled(hQueryWnd)) return 0;
1070
1071     GetWindowRect(hQueryWnd, &tempRect);
1072
1073     if(!PtInRect(&tempRect, *lpPt)) return 0;
1074
1075     if (!IsIconic( hQueryWnd ))
1076     {
1077         POINT pt = *lpPt;
1078         ScreenToClient( hQueryWnd, &pt );
1079         GetClientRect( hQueryWnd, &tempRect );
1080
1081         if (PtInRect( &tempRect, pt))
1082         {
1083             HWND ret = ChildWindowFromPointEx( hQueryWnd, pt, CWP_SKIPINVISIBLE|CWP_SKIPDISABLED );
1084             if (ret && ret != hQueryWnd)
1085             {
1086                 ret = find_drop_window( ret, lpPt );
1087                 if (ret) return ret;
1088             }
1089         }
1090     }
1091
1092     if(!(GetWindowLongA( hQueryWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)) return 0;
1093
1094     ScreenToClient(hQueryWnd, lpPt);
1095
1096     return hQueryWnd;
1097 }
1098
1099 /**********************************************************************
1100  *           EVENT_DropFromOffix
1101  *
1102  * don't know if it still works (last Changelog is from 96/11/04)
1103  */
1104 static void EVENT_DropFromOffiX( HWND hWnd, XClientMessageEvent *event )
1105 {
1106     struct x11drv_win_data *data;
1107     unsigned long       data_length;
1108     unsigned long       aux_long;
1109     unsigned char*      p_data = NULL;
1110     Atom atom_aux;
1111     int                 x, y, dummy;
1112     BOOL                bAccept;
1113     Window              win, w_aux_root, w_aux_child;
1114
1115     win = X11DRV_get_whole_window(hWnd);
1116     wine_tsx11_lock();
1117     XQueryPointer( event->display, win, &w_aux_root, &w_aux_child,
1118                    &x, &y, &dummy, &dummy, (unsigned int*)&aux_long);
1119     x += virtual_screen_rect.left;
1120     y += virtual_screen_rect.top;
1121     wine_tsx11_unlock();
1122
1123     if (!(data = X11DRV_get_win_data( hWnd ))) return;
1124
1125     /* find out drop point and drop window */
1126     if( x < 0 || y < 0 ||
1127         x > (data->whole_rect.right - data->whole_rect.left) ||
1128         y > (data->whole_rect.bottom - data->whole_rect.top) )
1129     {
1130         bAccept = GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES;
1131         x = 0;
1132         y = 0;
1133     }
1134     else
1135     {
1136         POINT   pt = { x, y };
1137         HWND    hwndDrop = find_drop_window( hWnd, &pt );
1138         if (hwndDrop)
1139         {
1140             x = pt.x;
1141             y = pt.y;
1142             bAccept = TRUE;
1143         }
1144         else
1145         {
1146             bAccept = FALSE;
1147         }
1148     }
1149
1150     if (!bAccept) return;
1151
1152     wine_tsx11_lock();
1153     XGetWindowProperty( event->display, DefaultRootWindow(event->display),
1154                         x11drv_atom(DndSelection), 0, 65535, FALSE,
1155                         AnyPropertyType, &atom_aux, &dummy,
1156                         &data_length, &aux_long, &p_data);
1157     wine_tsx11_unlock();
1158
1159     if( !aux_long && p_data)  /* don't bother if > 64K */
1160     {
1161         char *p = (char *)p_data;
1162         char *p_drop;
1163
1164         aux_long = 0;
1165         while( *p )  /* calculate buffer size */
1166         {
1167             INT len = GetShortPathNameA( p, NULL, 0 );
1168             if (len) aux_long += len + 1;
1169             p += strlen(p) + 1;
1170         }
1171         if( aux_long && aux_long < 65535 )
1172         {
1173             HDROP                 hDrop;
1174             DROPFILES *lpDrop;
1175
1176             aux_long += sizeof(DROPFILES) + 1;
1177             hDrop = GlobalAlloc( GMEM_SHARE, aux_long );
1178             lpDrop = GlobalLock( hDrop );
1179
1180             if( lpDrop )
1181             {
1182                 lpDrop->pFiles = sizeof(DROPFILES);
1183                 lpDrop->pt.x = x;
1184                 lpDrop->pt.y = y;
1185                 lpDrop->fNC = FALSE;
1186                 lpDrop->fWide = FALSE;
1187                 p_drop = (char *)(lpDrop + 1);
1188                 p = (char *)p_data;
1189                 while(*p)
1190                 {
1191                     if (GetShortPathNameA( p, p_drop, aux_long - (p_drop - (char *)lpDrop) ))
1192                         p_drop += strlen( p_drop ) + 1;
1193                     p += strlen(p) + 1;
1194                 }
1195                 *p_drop = '\0';
1196                 PostMessageA( hWnd, WM_DROPFILES, (WPARAM)hDrop, 0L );
1197             }
1198         }
1199     }
1200     wine_tsx11_lock();
1201     if( p_data ) XFree(p_data);
1202     wine_tsx11_unlock();
1203 }
1204
1205 /**********************************************************************
1206  *           EVENT_DropURLs
1207  *
1208  * drop items are separated by \n
1209  * each item is prefixed by its mime type
1210  *
1211  * event->data.l[3], event->data.l[4] contains drop x,y position
1212  */
1213 static void EVENT_DropURLs( HWND hWnd, XClientMessageEvent *event )
1214 {
1215   struct x11drv_win_data *win_data;
1216   unsigned long data_length;
1217   unsigned long aux_long, drop_len = 0;
1218   unsigned char *p_data = NULL; /* property data */
1219   char          *p_drop = NULL;
1220   char          *p, *next;
1221   int           x, y;
1222   DROPFILES *lpDrop;
1223   HDROP hDrop;
1224   union {
1225     Atom        atom_aux;
1226     int         i;
1227     Window      w_aux;
1228     unsigned int u;
1229   }             u; /* unused */
1230
1231   if (!(GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)) return;
1232
1233   wine_tsx11_lock();
1234   XGetWindowProperty( event->display, DefaultRootWindow(event->display),
1235                       x11drv_atom(DndSelection), 0, 65535, FALSE,
1236                       AnyPropertyType, &u.atom_aux, &u.i,
1237                       &data_length, &aux_long, &p_data);
1238   wine_tsx11_unlock();
1239   if (aux_long)
1240     WARN("property too large, truncated!\n");
1241   TRACE("urls=%s\n", p_data);
1242
1243   if( !aux_long && p_data) {    /* don't bother if > 64K */
1244     /* calculate length */
1245     p = (char*) p_data;
1246     next = strchr(p, '\n');
1247     while (p) {
1248       if (next) *next=0;
1249       if (strncmp(p,"file:",5) == 0 ) {
1250         INT len = GetShortPathNameA( p+5, NULL, 0 );
1251         if (len) drop_len += len + 1;
1252       }
1253       if (next) {
1254         *next = '\n';
1255         p = next + 1;
1256         next = strchr(p, '\n');
1257       } else {
1258         p = NULL;
1259       }
1260     }
1261
1262     if( drop_len && drop_len < 65535 ) {
1263       wine_tsx11_lock();
1264       XQueryPointer( event->display, root_window, &u.w_aux, &u.w_aux,
1265                      &x, &y, &u.i, &u.i, &u.u);
1266       x += virtual_screen_rect.left;
1267       y += virtual_screen_rect.top;
1268       wine_tsx11_unlock();
1269
1270       drop_len += sizeof(DROPFILES) + 1;
1271       hDrop = GlobalAlloc( GMEM_SHARE, drop_len );
1272       lpDrop = GlobalLock( hDrop );
1273
1274       if( lpDrop && (win_data = X11DRV_get_win_data( hWnd )))
1275       {
1276           lpDrop->pFiles = sizeof(DROPFILES);
1277           lpDrop->pt.x = x;
1278           lpDrop->pt.y = y;
1279           lpDrop->fNC =
1280             ( x < (win_data->client_rect.left - win_data->whole_rect.left)  ||
1281               y < (win_data->client_rect.top - win_data->whole_rect.top)    ||
1282               x > (win_data->client_rect.right - win_data->whole_rect.left) ||
1283               y > (win_data->client_rect.bottom - win_data->whole_rect.top) );
1284           lpDrop->fWide = FALSE;
1285           p_drop = (char*)(lpDrop + 1);
1286       }
1287
1288       /* create message content */
1289       if (p_drop) {
1290         p = (char*) p_data;
1291         next = strchr(p, '\n');
1292         while (p) {
1293           if (next) *next=0;
1294           if (strncmp(p,"file:",5) == 0 ) {
1295             INT len = GetShortPathNameA( p+5, p_drop, 65535 );
1296             if (len) {
1297               TRACE("drop file %s as %s\n", p+5, p_drop);
1298               p_drop += len+1;
1299             } else {
1300               WARN("can't convert file %s to dos name\n", p+5);
1301             }
1302           } else {
1303             WARN("unknown mime type %s\n", p);
1304           }
1305           if (next) {
1306             *next = '\n';
1307             p = next + 1;
1308             next = strchr(p, '\n');
1309           } else {
1310             p = NULL;
1311           }
1312           *p_drop = '\0';
1313         }
1314
1315         GlobalUnlock(hDrop);
1316         PostMessageA( hWnd, WM_DROPFILES, (WPARAM)hDrop, 0L );
1317       }
1318     }
1319     wine_tsx11_lock();
1320     if( p_data ) XFree(p_data);
1321     wine_tsx11_unlock();
1322   }
1323 }
1324
1325 /**********************************************************************
1326  *              handle_dnd_protocol
1327  */
1328 static void handle_dnd_protocol( HWND hwnd, XClientMessageEvent *event )
1329 {
1330     Window root, child;
1331     int root_x, root_y, child_x, child_y;
1332     unsigned int u;
1333
1334     /* query window (drag&drop event contains only drag window) */
1335     wine_tsx11_lock();
1336     XQueryPointer( event->display, root_window, &root, &child,
1337                    &root_x, &root_y, &child_x, &child_y, &u);
1338     if (XFindContext( event->display, child, winContext, (char **)&hwnd ) != 0) hwnd = 0;
1339     wine_tsx11_unlock();
1340     if (!hwnd) return;
1341     if (event->data.l[0] == DndFile || event->data.l[0] == DndFiles)
1342         EVENT_DropFromOffiX(hwnd, event);
1343     else if (event->data.l[0] == DndURL)
1344         EVENT_DropURLs(hwnd, event);
1345 }
1346
1347
1348 struct client_message_handler
1349 {
1350     int    atom;                                  /* protocol atom */
1351     void (*handler)(HWND, XClientMessageEvent *); /* corresponding handler function */
1352 };
1353
1354 static const struct client_message_handler client_messages[] =
1355 {
1356     { XATOM_WM_PROTOCOLS, handle_wm_protocols },
1357     { XATOM_DndProtocol,  handle_dnd_protocol },
1358     { XATOM_XdndEnter,    X11DRV_XDND_EnterEvent },
1359     { XATOM_XdndPosition, X11DRV_XDND_PositionEvent },
1360     { XATOM_XdndDrop,     X11DRV_XDND_DropEvent },
1361     { XATOM_XdndLeave,    X11DRV_XDND_LeaveEvent }
1362 };
1363
1364
1365 /**********************************************************************
1366  *           X11DRV_ClientMessage
1367  */
1368 static void X11DRV_ClientMessage( HWND hwnd, XEvent *xev )
1369 {
1370     XClientMessageEvent *event = &xev->xclient;
1371     unsigned int i;
1372
1373     if (!hwnd) return;
1374
1375     if (event->format != 32)
1376     {
1377         WARN( "Don't know how to handle format %d\n", event->format );
1378         return;
1379     }
1380
1381     for (i = 0; i < sizeof(client_messages)/sizeof(client_messages[0]); i++)
1382     {
1383         if (event->message_type == X11DRV_Atoms[client_messages[i].atom - FIRST_XATOM])
1384         {
1385             client_messages[i].handler( hwnd, event );
1386             return;
1387         }
1388     }
1389     TRACE( "no handler found for %ld\n", event->message_type );
1390 }
1391
1392
1393 /***********************************************************************
1394  *              X11DRV_SendInput  (X11DRV.@)
1395  */
1396 UINT CDECL X11DRV_SendInput( UINT count, LPINPUT inputs, int size )
1397 {
1398     UINT i;
1399
1400     for (i = 0; i < count; i++, inputs++)
1401     {
1402         switch(inputs->type)
1403         {
1404         case INPUT_MOUSE:
1405             X11DRV_send_mouse_input( 0, inputs->u.mi.dwFlags, inputs->u.mi.dx, inputs->u.mi.dy,
1406                                      inputs->u.mi.mouseData, inputs->u.mi.time,
1407                                      inputs->u.mi.dwExtraInfo, LLMHF_INJECTED );
1408             break;
1409         case INPUT_KEYBOARD:
1410             X11DRV_send_keyboard_input( inputs->u.ki.wVk, inputs->u.ki.wScan, inputs->u.ki.dwFlags,
1411                                         inputs->u.ki.time, inputs->u.ki.dwExtraInfo, LLKHF_INJECTED );
1412             break;
1413         case INPUT_HARDWARE:
1414             FIXME( "INPUT_HARDWARE not supported\n" );
1415             break;
1416         }
1417     }
1418     return count;
1419 }