4 * Copyright 1993 Alexandre Julliard
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
27 #ifdef HAVE_SYS_POLL_H
30 #include <X11/Xatom.h>
31 #include <X11/keysym.h>
33 #include <X11/Xresource.h>
34 #include <X11/Xutil.h>
35 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
36 #include <X11/extensions/XInput2.h>
43 #define NONAMELESSUNION
44 #define NONAMELESSSTRUCT
52 /* avoid conflict with field names in included win32 headers */
54 #include "shlobj.h" /* DROPFILES */
57 #include "wine/server.h"
58 #include "wine/debug.h"
60 WINE_DEFAULT_DEBUG_CHANNEL(event);
62 extern BOOL ximInComposeMode;
64 #define DndNotDnd -1 /* OffiX drag&drop */
76 #define DndURL 128 /* KDE drag&drop */
78 #define XEMBED_EMBEDDED_NOTIFY 0
79 #define XEMBED_WINDOW_ACTIVATE 1
80 #define XEMBED_WINDOW_DEACTIVATE 2
81 #define XEMBED_REQUEST_FOCUS 3
82 #define XEMBED_FOCUS_IN 4
83 #define XEMBED_FOCUS_OUT 5
84 #define XEMBED_FOCUS_NEXT 6
85 #define XEMBED_FOCUS_PREV 7
86 #define XEMBED_MODALITY_ON 10
87 #define XEMBED_MODALITY_OFF 11
88 #define XEMBED_REGISTER_ACCELERATOR 12
89 #define XEMBED_UNREGISTER_ACCELERATOR 13
90 #define XEMBED_ACTIVATE_ACCELERATOR 14
92 Bool (*pXGetEventData)( Display *display, XEvent /*XGenericEventCookie*/ *event ) = NULL;
93 void (*pXFreeEventData)( Display *display, XEvent /*XGenericEventCookie*/ *event ) = NULL;
96 static void X11DRV_FocusIn( HWND hwnd, XEvent *event );
97 static void X11DRV_FocusOut( HWND hwnd, XEvent *event );
98 static void X11DRV_Expose( HWND hwnd, XEvent *event );
99 static void X11DRV_MapNotify( HWND hwnd, XEvent *event );
100 static void X11DRV_UnmapNotify( HWND hwnd, XEvent *event );
101 static void X11DRV_ReparentNotify( HWND hwnd, XEvent *event );
102 static void X11DRV_ConfigureNotify( HWND hwnd, XEvent *event );
103 static void X11DRV_PropertyNotify( HWND hwnd, XEvent *event );
104 static void X11DRV_ClientMessage( HWND hwnd, XEvent *event );
105 static void X11DRV_GravityNotify( HWND hwnd, XEvent *event );
107 #define MAX_EVENT_HANDLERS 128
109 static x11drv_event_handler handlers[MAX_EVENT_HANDLERS] =
111 NULL, /* 0 reserved */
112 NULL, /* 1 reserved */
113 X11DRV_KeyEvent, /* 2 KeyPress */
114 X11DRV_KeyEvent, /* 3 KeyRelease */
115 X11DRV_ButtonPress, /* 4 ButtonPress */
116 X11DRV_ButtonRelease, /* 5 ButtonRelease */
117 X11DRV_MotionNotify, /* 6 MotionNotify */
118 X11DRV_EnterNotify, /* 7 EnterNotify */
119 NULL, /* 8 LeaveNotify */
120 X11DRV_FocusIn, /* 9 FocusIn */
121 X11DRV_FocusOut, /* 10 FocusOut */
122 X11DRV_KeymapNotify, /* 11 KeymapNotify */
123 X11DRV_Expose, /* 12 Expose */
124 NULL, /* 13 GraphicsExpose */
125 NULL, /* 14 NoExpose */
126 NULL, /* 15 VisibilityNotify */
127 NULL, /* 16 CreateNotify */
128 X11DRV_DestroyNotify, /* 17 DestroyNotify */
129 X11DRV_UnmapNotify, /* 18 UnmapNotify */
130 X11DRV_MapNotify, /* 19 MapNotify */
131 NULL, /* 20 MapRequest */
132 X11DRV_ReparentNotify, /* 21 ReparentNotify */
133 X11DRV_ConfigureNotify, /* 22 ConfigureNotify */
134 NULL, /* 23 ConfigureRequest */
135 X11DRV_GravityNotify, /* 24 GravityNotify */
136 NULL, /* 25 ResizeRequest */
137 NULL, /* 26 CirculateNotify */
138 NULL, /* 27 CirculateRequest */
139 X11DRV_PropertyNotify, /* 28 PropertyNotify */
140 X11DRV_SelectionClear, /* 29 SelectionClear */
141 X11DRV_SelectionRequest, /* 30 SelectionRequest */
142 NULL, /* 31 SelectionNotify */
143 NULL, /* 32 ColormapNotify */
144 X11DRV_ClientMessage, /* 33 ClientMessage */
145 X11DRV_MappingNotify, /* 34 MappingNotify */
146 X11DRV_GenericEvent /* 35 GenericEvent */
149 static const char * event_names[MAX_EVENT_HANDLERS] =
151 NULL, NULL, "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease",
152 "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", "FocusOut",
153 "KeymapNotify", "Expose", "GraphicsExpose", "NoExpose", "VisibilityNotify",
154 "CreateNotify", "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",
155 "ReparentNotify", "ConfigureNotify", "ConfigureRequest", "GravityNotify", "ResizeRequest",
156 "CirculateNotify", "CirculateRequest", "PropertyNotify", "SelectionClear", "SelectionRequest",
157 "SelectionNotify", "ColormapNotify", "ClientMessage", "MappingNotify", "GenericEvent"
160 int xinput2_opcode = 0;
162 /* return the name of an X event */
163 static const char *dbgstr_event( int type )
165 if (type < MAX_EVENT_HANDLERS && event_names[type]) return event_names[type];
166 return wine_dbg_sprintf( "Unknown event %d", type );
169 static inline void get_event_data( XEvent *event )
171 #if defined(GenericEvent) && defined(HAVE_XEVENT_XCOOKIE)
172 if (event->xany.type != GenericEvent) return;
173 if (!pXGetEventData || !pXGetEventData( event->xany.display, event )) event->xcookie.data = NULL;
177 static inline void free_event_data( XEvent *event )
179 #if defined(GenericEvent) && defined(HAVE_XEVENT_XCOOKIE)
180 if (event->xany.type != GenericEvent) return;
181 if (event->xcookie.data) pXFreeEventData( event->xany.display, event );
185 /***********************************************************************
186 * X11DRV_register_event_handler
188 * Register a handler for a given event type.
189 * If already registered, overwrite the previous handler.
191 void X11DRV_register_event_handler( int type, x11drv_event_handler handler, const char *name )
193 assert( type < MAX_EVENT_HANDLERS );
194 assert( !handlers[type] || handlers[type] == handler );
195 handlers[type] = handler;
196 event_names[type] = name;
197 TRACE("registered handler %p for event %d %s\n", handler, type, debugstr_a(name) );
201 /***********************************************************************
204 static Bool filter_event( Display *display, XEvent *event, char *arg )
206 ULONG_PTR mask = (ULONG_PTR)arg;
208 if ((mask & QS_ALLINPUT) == QS_ALLINPUT) return 1;
216 return (mask & (QS_KEY|QS_HOTKEY)) != 0;
219 return (mask & QS_MOUSEBUTTON) != 0;
223 return (mask & QS_MOUSEMOVE) != 0;
225 return (mask & QS_PAINT) != 0;
230 case ConfigureNotify:
233 return (mask & QS_POSTMESSAGE) != 0;
235 return (mask & QS_SENDMESSAGE) != 0;
240 enum event_merge_action
242 MERGE_DISCARD, /* discard the old event */
243 MERGE_HANDLE, /* handle the old event */
244 MERGE_KEEP, /* keep the old event for future merging */
245 MERGE_IGNORE /* ignore the new event, keep the old one */
248 /***********************************************************************
249 * merge_raw_motion_events
251 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
252 static enum event_merge_action merge_raw_motion_events( XIRawEvent *prev, XIRawEvent *next )
257 if (!prev->valuators.mask_len) return MERGE_HANDLE;
258 if (!next->valuators.mask_len) return MERGE_HANDLE;
260 mask = prev->valuators.mask[0] | next->valuators.mask[0];
261 if (mask == next->valuators.mask[0]) /* keep next */
263 for (i = j = k = 0; i < 8; i++)
265 if (XIMaskIsSet( prev->valuators.mask, i ))
266 next->valuators.values[j] += prev->valuators.values[k++];
267 if (XIMaskIsSet( next->valuators.mask, i )) j++;
269 TRACE( "merging duplicate GenericEvent\n" );
270 return MERGE_DISCARD;
272 if (mask == prev->valuators.mask[0]) /* keep prev */
274 for (i = j = k = 0; i < 8; i++)
276 if (XIMaskIsSet( next->valuators.mask, i ))
277 prev->valuators.values[j] += next->valuators.values[k++];
278 if (XIMaskIsSet( prev->valuators.mask, i )) j++;
280 TRACE( "merging duplicate GenericEvent\n" );
283 /* can't merge events with disjoint masks */
288 /***********************************************************************
291 * Try to merge 2 consecutive events.
293 static enum event_merge_action merge_events( XEvent *prev, XEvent *next )
297 case ConfigureNotify:
300 case ConfigureNotify:
301 if (prev->xany.window == next->xany.window)
303 TRACE( "discarding duplicate ConfigureNotify for window %lx\n", prev->xany.window );
304 return MERGE_DISCARD;
316 if (prev->xany.window == next->xany.window)
318 TRACE( "discarding duplicate MotionNotify for window %lx\n", prev->xany.window );
319 return MERGE_DISCARD;
322 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
324 if (next->xcookie.extension != xinput2_opcode) break;
325 if (next->xcookie.evtype != XI_RawMotion) break;
326 if (x11drv_thread_data()->warp_serial) break;
331 if (prev->xcookie.extension != xinput2_opcode) break;
332 if (prev->xcookie.evtype != XI_RawMotion) break;
336 if (next->xcookie.extension != xinput2_opcode) break;
337 if (next->xcookie.evtype != XI_RawMotion) break;
338 if (x11drv_thread_data()->warp_serial) break;
339 return merge_raw_motion_events( prev->xcookie.data, next->xcookie.data );
348 /***********************************************************************
351 static inline void call_event_handler( Display *display, XEvent *event )
355 struct x11drv_thread_data *thread_data;
357 if (!handlers[event->type])
359 TRACE( "%s for win %lx, ignoring\n", dbgstr_event( event->type ), event->xany.window );
360 return; /* no handler, ignore it */
363 if (XFindContext( display, event->xany.window, winContext, (char **)&hwnd ) != 0)
364 hwnd = 0; /* not for a registered window */
365 if (!hwnd && event->xany.window == root_window) hwnd = GetDesktopWindow();
367 TRACE( "%lu %s for hwnd/window %p/%lx\n",
368 event->xany.serial, dbgstr_event( event->type ), hwnd, event->xany.window );
369 thread_data = x11drv_thread_data();
370 prev = thread_data->current_event;
371 thread_data->current_event = event;
372 handlers[event->type]( hwnd, event );
373 thread_data->current_event = prev;
377 /***********************************************************************
380 static int process_events( Display *display, Bool (*filter)(Display*, XEvent*,XPointer), ULONG_PTR arg )
382 XEvent event, prev_event;
384 enum event_merge_action action = MERGE_DISCARD;
387 while (XCheckIfEvent( display, &event, filter, (char *)arg ))
390 if (XFilterEvent( &event, None ))
393 * SCIM on linux filters key events strangely. It does not filter the
394 * KeyPress events for these keys however it does filter the
395 * KeyRelease events. This causes wine to become very confused as
396 * to the keyboard state.
398 * We need to let those KeyRelease events be processed so that the
399 * keyboard state is correct.
401 if (event.type == KeyRelease)
404 XKeyEvent *keyevent = &event.xkey;
406 XLookupString(keyevent, NULL, 0, &keysym, NULL);
407 if (!(keysym == XK_Shift_L ||
408 keysym == XK_Shift_R ||
409 keysym == XK_Control_L ||
410 keysym == XK_Control_R ||
411 keysym == XK_Alt_R ||
412 keysym == XK_Alt_L ||
413 keysym == XK_Meta_R ||
414 keysym == XK_Meta_L))
415 continue; /* not a key we care about, ignore it */
418 continue; /* filtered, ignore it */
420 get_event_data( &event );
421 if (prev_event.type) action = merge_events( &prev_event, &event );
424 case MERGE_HANDLE: /* handle prev, keep new */
425 call_event_handler( display, &prev_event );
427 case MERGE_DISCARD: /* discard prev, keep new */
428 free_event_data( &prev_event );
431 case MERGE_KEEP: /* handle new, keep prev for future merging */
432 call_event_handler( display, &event );
434 case MERGE_IGNORE: /* ignore new, keep prev for future merging */
435 free_event_data( &event );
439 if (prev_event.type) call_event_handler( display, &prev_event );
440 free_event_data( &prev_event );
441 XFlush( gdi_display );
442 if (count) TRACE( "processed %d events\n", count );
447 /***********************************************************************
448 * MsgWaitForMultipleObjectsEx (X11DRV.@)
450 DWORD CDECL X11DRV_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
451 DWORD timeout, DWORD mask, DWORD flags )
454 struct x11drv_thread_data *data = TlsGetValue( thread_data_tls_index );
458 if (!count && !timeout) return WAIT_TIMEOUT;
459 return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
460 timeout, flags & MWMO_ALERTABLE );
463 if (data->current_event) mask = 0; /* don't process nested events */
465 if (process_events( data->display, filter_event, mask )) ret = count - 1;
466 else if (count || timeout)
468 ret = WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
469 timeout, flags & MWMO_ALERTABLE );
470 if (ret == count - 1) process_events( data->display, filter_event, mask );
472 else ret = WAIT_TIMEOUT;
477 /***********************************************************************
478 * EVENT_x11_time_to_win32_time
480 * Make our timer and the X timer line up as best we can
481 * Pass 0 to retrieve the current adjustment value (times -1)
483 DWORD EVENT_x11_time_to_win32_time(Time time)
485 static DWORD adjust = 0;
486 DWORD now = GetTickCount();
489 if (! adjust && time != 0)
496 /* If we got an event in the 'future', then our clock is clearly wrong.
497 If we got it more than 10000 ms in the future, then it's most likely
498 that the clock has wrapped. */
501 if (ret > now && ((ret - now) < 10000) && time != 0)
512 /*******************************************************************
513 * can_activate_window
515 * Check if we can activate the specified window.
517 static inline BOOL can_activate_window( HWND hwnd )
519 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
522 if (!(style & WS_VISIBLE)) return FALSE;
523 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
524 if (style & WS_MINIMIZE) return FALSE;
525 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOACTIVATE) return FALSE;
526 if (hwnd == GetDesktopWindow()) return FALSE;
527 if (GetWindowRect( hwnd, &rect ) && IsRectEmpty( &rect )) return FALSE;
528 return !(style & WS_DISABLED);
532 /**********************************************************************
535 * Try to force focus for non-managed windows.
537 static void set_input_focus( Display *display, Window window )
539 XWindowChanges changes;
544 if (EVENT_x11_time_to_win32_time(0))
545 /* ICCCM says don't use CurrentTime, so try to use last message time if possible */
546 /* FIXME: this is not entirely correct */
547 timestamp = GetMessageTime() - EVENT_x11_time_to_win32_time(0);
549 timestamp = CurrentTime;
551 /* Set X focus and install colormap */
552 changes.stack_mode = Above;
553 XConfigureWindow( display, window, CWStackMode, &changes );
554 XSetInputFocus( display, window, RevertToParent, timestamp );
557 /**********************************************************************
560 static void set_focus( Display *display, HWND hwnd, Time time )
564 GUITHREADINFO threadinfo;
566 TRACE( "setting foreground window to %p\n", hwnd );
567 SetForegroundWindow( hwnd );
569 threadinfo.cbSize = sizeof(threadinfo);
570 GetGUIThreadInfo(0, &threadinfo);
571 focus = threadinfo.hwndFocus;
572 if (!focus) focus = threadinfo.hwndActive;
573 if (focus) focus = GetAncestor( focus, GA_ROOT );
574 win = X11DRV_get_whole_window(focus);
578 TRACE( "setting focus to %p (%lx) time=%ld\n", focus, win, time );
579 XSetInputFocus( display, win, RevertToParent, time );
584 /**********************************************************************
585 * handle_manager_message
587 static void handle_manager_message( HWND hwnd, XClientMessageEvent *event )
589 if (hwnd != GetDesktopWindow()) return;
590 if (systray_atom && event->data.l[1] == systray_atom)
591 change_systray_owner( event->display, event->data.l[2] );
595 /**********************************************************************
596 * handle_wm_protocols
598 static void handle_wm_protocols( HWND hwnd, XClientMessageEvent *event )
600 Atom protocol = (Atom)event->data.l[0];
601 Time event_time = (Time)event->data.l[1];
603 if (!protocol) return;
605 if (protocol == x11drv_atom(WM_DELETE_WINDOW))
607 update_user_time( event_time );
609 if (hwnd == GetDesktopWindow())
611 /* The desktop window does not have a close button that we can
612 * pretend to click. Therefore, we simply send it a close command. */
613 SendMessageW(hwnd, WM_SYSCOMMAND, SC_CLOSE, 0);
617 /* Ignore the delete window request if the window has been disabled
618 * and we are in managed mode. This is to disallow applications from
619 * being closed by the window manager while in a modal state.
621 if (IsWindowEnabled(hwnd))
625 if (GetClassLongW(hwnd, GCL_STYLE) & CS_NOCLOSE) return;
626 hSysMenu = GetSystemMenu(hwnd, FALSE);
629 UINT state = GetMenuState(hSysMenu, SC_CLOSE, MF_BYCOMMAND);
630 if (state == 0xFFFFFFFF || (state & (MF_DISABLED | MF_GRAYED)))
633 if (GetActiveWindow() != hwnd)
635 LRESULT ma = SendMessageW( hwnd, WM_MOUSEACTIVATE,
636 (WPARAM)GetAncestor( hwnd, GA_ROOT ),
637 MAKELPARAM( HTCLOSE, WM_NCLBUTTONDOWN ) );
640 case MA_NOACTIVATEANDEAT:
641 case MA_ACTIVATEANDEAT:
647 SetActiveWindow(hwnd);
650 WARN( "unknown WM_MOUSEACTIVATE code %d\n", (int) ma );
655 PostMessageW( hwnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
658 else if (protocol == x11drv_atom(WM_TAKE_FOCUS))
660 HWND last_focus = x11drv_thread_data()->last_focus;
662 TRACE( "got take focus msg for %p, enabled=%d, visible=%d (style %08x), focus=%p, active=%p, fg=%p, last=%p\n",
663 hwnd, IsWindowEnabled(hwnd), IsWindowVisible(hwnd), GetWindowLongW(hwnd, GWL_STYLE),
664 GetFocus(), GetActiveWindow(), GetForegroundWindow(), last_focus );
666 if (can_activate_window(hwnd))
668 /* simulate a mouse click on the caption to find out
669 * whether the window wants to be activated */
670 LRESULT ma = SendMessageW( hwnd, WM_MOUSEACTIVATE,
671 (WPARAM)GetAncestor( hwnd, GA_ROOT ),
672 MAKELONG(HTCAPTION,WM_LBUTTONDOWN) );
673 if (ma != MA_NOACTIVATEANDEAT && ma != MA_NOACTIVATE)
675 set_focus( event->display, hwnd, event_time );
679 else if (hwnd == GetDesktopWindow())
681 hwnd = GetForegroundWindow();
682 if (!hwnd) hwnd = last_focus;
683 if (!hwnd) hwnd = GetDesktopWindow();
684 set_focus( event->display, hwnd, event_time );
687 /* try to find some other window to give the focus to */
689 if (hwnd) hwnd = GetAncestor( hwnd, GA_ROOT );
690 if (!hwnd) hwnd = GetActiveWindow();
691 if (!hwnd) hwnd = last_focus;
692 if (hwnd && can_activate_window(hwnd)) set_focus( event->display, hwnd, event_time );
694 else if (protocol == x11drv_atom(_NET_WM_PING))
696 XClientMessageEvent xev;
699 TRACE("NET_WM Ping\n");
700 xev.window = DefaultRootWindow(xev.display);
701 XSendEvent(xev.display, xev.window, False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent*)&xev);
706 static const char * const focus_details[] =
712 "NotifyNonlinearVirtual",
718 /**********************************************************************
721 static void X11DRV_FocusIn( HWND hwnd, XEvent *xev )
723 XFocusChangeEvent *event = &xev->xfocus;
728 TRACE( "win %p xwin %lx detail=%s\n", hwnd, event->window, focus_details[event->detail] );
730 if (event->detail == NotifyPointer) return;
731 if (hwnd == GetDesktopWindow()) return;
733 if ((xic = X11DRV_get_ic( hwnd ))) XSetICFocus( xic );
736 if (hwnd == GetForegroundWindow()) clip_fullscreen_window( hwnd, FALSE );
740 if (!can_activate_window(hwnd))
742 HWND hwnd = GetFocus();
743 if (hwnd) hwnd = GetAncestor( hwnd, GA_ROOT );
744 if (!hwnd) hwnd = GetActiveWindow();
745 if (!hwnd) hwnd = x11drv_thread_data()->last_focus;
746 if (hwnd && can_activate_window(hwnd)) set_focus( event->display, hwnd, CurrentTime );
748 else SetForegroundWindow( hwnd );
752 /**********************************************************************
755 * Note: only top-level windows get FocusOut events.
757 static void X11DRV_FocusOut( HWND hwnd, XEvent *xev )
759 XFocusChangeEvent *event = &xev->xfocus;
765 TRACE( "win %p xwin %lx detail=%s\n", hwnd, event->window, focus_details[event->detail] );
767 if (event->detail == NotifyPointer)
769 if (!hwnd && event->window == x11drv_thread_data()->clip_window) reset_clipping_window();
773 if (ximInComposeMode) return;
775 x11drv_thread_data()->last_focus = hwnd;
776 if ((xic = X11DRV_get_ic( hwnd ))) XUnsetICFocus( xic );
778 if (root_window != DefaultRootWindow(event->display))
780 if (hwnd == GetDesktopWindow()) reset_clipping_window();
783 if (hwnd != GetForegroundWindow()) return;
784 SendMessageW( hwnd, WM_CANCELMODE, 0, 0 );
786 /* don't reset the foreground window, if the window which is
787 getting the focus is a Wine window */
789 XGetInputFocus( event->display, &focus_win, &revert );
792 if (XFindContext( event->display, focus_win, winContext, (char **)&hwnd_tmp ) != 0)
798 /* Abey : 6-Oct-99. Check again if the focus out window is the
799 Foreground window, because in most cases the messages sent
800 above must have already changed the foreground window, in which
801 case we don't have to change the foreground window to 0 */
802 if (hwnd == GetForegroundWindow())
804 TRACE( "lost focus, setting fg to desktop\n" );
805 SetForegroundWindow( GetDesktopWindow() );
811 /***********************************************************************
814 static void X11DRV_Expose( HWND hwnd, XEvent *xev )
816 XExposeEvent *event = &xev->xexpose;
818 struct x11drv_win_data *data;
819 HRGN surface_region = 0;
820 UINT flags = RDW_INVALIDATE | RDW_ERASE | RDW_FRAME | RDW_ALLCHILDREN;
822 TRACE( "win %p (%lx) %d,%d %dx%d\n",
823 hwnd, event->window, event->x, event->y, event->width, event->height );
825 if (!(data = get_win_data( hwnd ))) return;
827 rect.left = event->x;
829 rect.right = event->x + event->width;
830 rect.bottom = event->y + event->height;
834 surface_region = expose_surface( data->surface, &rect );
835 if (!surface_region) flags = 0;
836 if (data->vis.visualid != default_visual.visualid)
837 data->surface->funcs->flush( data->surface );
840 if (event->window != root_window)
842 OffsetRect( &rect, data->whole_rect.left - data->client_rect.left,
843 data->whole_rect.top - data->client_rect.top );
844 if (surface_region) OffsetRgn( surface_region, data->whole_rect.left - data->client_rect.left,
845 data->whole_rect.top - data->client_rect.top );
847 if (GetWindowLongW( data->hwnd, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
848 mirror_rect( &data->client_rect, &rect );
850 SERVER_START_REQ( update_window_zorder )
852 req->window = wine_server_user_handle( hwnd );
853 req->rect.left = rect.left;
854 req->rect.top = rect.top;
855 req->rect.right = rect.right;
856 req->rect.bottom = rect.bottom;
857 wine_server_call( req );
863 OffsetRect( &rect, virtual_screen_rect.left, virtual_screen_rect.top );
864 flags &= ~RDW_ALLCHILDREN;
866 release_win_data( data );
868 if (flags) RedrawWindow( hwnd, &rect, surface_region, flags );
869 if (surface_region) DeleteObject( surface_region );
873 /**********************************************************************
876 static void X11DRV_MapNotify( HWND hwnd, XEvent *event )
878 struct x11drv_win_data *data;
880 if (event->xany.window == x11drv_thread_data()->clip_window)
885 if (!(data = get_win_data( hwnd ))) return;
887 if (!data->managed && !data->embedded && data->mapped)
889 HWND hwndFocus = GetFocus();
890 if (hwndFocus && IsChild( hwnd, hwndFocus ))
891 set_input_focus( data->display, data->whole_window );
893 release_win_data( data );
897 /**********************************************************************
900 static void X11DRV_UnmapNotify( HWND hwnd, XEvent *event )
902 if (event->xany.window == x11drv_thread_data()->clip_window) clipping_cursor = 0;
906 /***********************************************************************
907 * is_net_wm_state_maximized
909 static BOOL is_net_wm_state_maximized( Display *display, struct x11drv_win_data *data )
913 unsigned long i, count, remaining;
915 if (!data->whole_window) return FALSE;
917 if (!XGetWindowProperty( display, data->whole_window, x11drv_atom(_NET_WM_STATE), 0,
918 65536/sizeof(CARD32), False, XA_ATOM, &type, &format, &count,
919 &remaining, (unsigned char **)&state ))
921 if (type == XA_ATOM && format == 32)
923 for (i = 0; i < count; i++)
925 if (state[i] == x11drv_atom(_NET_WM_STATE_MAXIMIZED_VERT) ||
926 state[i] == x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ))
936 /***********************************************************************
937 * X11DRV_ReparentNotify
939 static void X11DRV_ReparentNotify( HWND hwnd, XEvent *xev )
941 XReparentEvent *event = &xev->xreparent;
942 struct x11drv_win_data *data;
943 HWND parent, old_parent;
946 if (!(data = get_win_data( hwnd ))) return;
950 release_win_data( data );
954 if (data->whole_window)
956 if (event->parent == root_window)
958 TRACE( "%p/%lx reparented to root\n", hwnd, data->whole_window );
960 release_win_data( data );
961 SendMessageW( hwnd, WM_CLOSE, 0, 0 );
964 data->embedder = event->parent;
967 TRACE( "%p/%lx reparented to %lx\n", hwnd, data->whole_window, event->parent );
968 release_win_data( data );
970 style = GetWindowLongW( hwnd, GWL_STYLE );
971 if (event->parent == root_window)
973 parent = GetDesktopWindow();
974 style = (style & ~WS_CHILD) | WS_POPUP;
978 if (!(parent = create_foreign_window( event->display, event->parent ))) return;
979 style = (style & ~WS_POPUP) | WS_CHILD;
982 ShowWindow( hwnd, SW_HIDE );
983 old_parent = SetParent( hwnd, parent );
984 SetWindowLongW( hwnd, GWL_STYLE, style );
985 SetWindowPos( hwnd, HWND_TOP, event->x, event->y, 0, 0,
986 SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOCOPYBITS |
987 ((style & WS_VISIBLE) ? SWP_SHOWWINDOW : 0) );
989 /* make old parent destroy itself if it no longer has children */
990 if (old_parent != GetDesktopWindow()) PostMessageW( old_parent, WM_CLOSE, 0, 0 );
994 /***********************************************************************
995 * X11DRV_ConfigureNotify
997 void X11DRV_ConfigureNotify( HWND hwnd, XEvent *xev )
999 XConfigureEvent *event = &xev->xconfigure;
1000 struct x11drv_win_data *data;
1005 int cx, cy, x = event->x, y = event->y;
1009 if (!(data = get_win_data( hwnd ))) return;
1010 if (!data->mapped || data->iconic) goto done;
1011 if (data->whole_window && !data->managed) goto done;
1012 /* ignore synthetic events on foreign windows */
1013 if (event->send_event && !data->whole_window) goto done;
1014 if (data->configure_serial && (long)(data->configure_serial - event->serial) > 0)
1016 TRACE( "win %p/%lx event %d,%d,%dx%d ignoring old serial %lu/%lu\n",
1017 hwnd, data->whole_window, event->x, event->y, event->width, event->height,
1018 event->serial, data->configure_serial );
1024 parent = GetAncestor( hwnd, GA_PARENT );
1025 root_coords = event->send_event; /* synthetic events are always in root coords */
1027 if (!root_coords && parent == GetDesktopWindow()) /* normal event, map coordinates to the root */
1030 XTranslateCoordinates( event->display, event->window, root_window,
1031 0, 0, &x, &y, &child );
1036 rect.right = x + event->width;
1037 rect.bottom = y + event->height;
1038 if (root_coords) OffsetRect( &rect, virtual_screen_rect.left, virtual_screen_rect.top );
1039 TRACE( "win %p/%lx new X rect %d,%d,%dx%d (event %d,%d,%dx%d)\n",
1040 hwnd, data->whole_window, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
1041 event->x, event->y, event->width, event->height );
1043 X11DRV_X_to_window_rect( data, &rect );
1044 if (root_coords) MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
1046 /* Compare what has changed */
1050 cx = rect.right - rect.left;
1051 cy = rect.bottom - rect.top;
1052 flags = SWP_NOACTIVATE | SWP_NOZORDER;
1054 if (!data->whole_window) flags |= SWP_NOCOPYBITS; /* we can't copy bits of foreign windows */
1056 if (data->window_rect.left == x && data->window_rect.top == y) flags |= SWP_NOMOVE;
1058 TRACE( "%p moving from (%d,%d) to (%d,%d)\n",
1059 hwnd, data->window_rect.left, data->window_rect.top, x, y );
1061 if ((data->window_rect.right - data->window_rect.left == cx &&
1062 data->window_rect.bottom - data->window_rect.top == cy) ||
1063 (IsRectEmpty( &data->window_rect ) && event->width == 1 && event->height == 1))
1064 flags |= SWP_NOSIZE;
1066 TRACE( "%p resizing from (%dx%d) to (%dx%d)\n",
1067 hwnd, data->window_rect.right - data->window_rect.left,
1068 data->window_rect.bottom - data->window_rect.top, cx, cy );
1070 style = GetWindowLongW( data->hwnd, GWL_STYLE );
1071 if ((style & WS_CAPTION) == WS_CAPTION)
1073 if (is_net_wm_state_maximized( event->display, data ))
1075 if (!(style & WS_MAXIMIZE))
1077 TRACE( "win %p/%lx is maximized\n", data->hwnd, data->whole_window );
1078 release_win_data( data );
1079 SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0 );
1083 else if (style & WS_MAXIMIZE)
1085 TRACE( "window %p/%lx is no longer maximized\n", data->hwnd, data->whole_window );
1086 release_win_data( data );
1087 SendMessageW( data->hwnd, WM_SYSCOMMAND, SC_RESTORE, 0 );
1092 if ((flags & (SWP_NOSIZE | SWP_NOMOVE)) != (SWP_NOSIZE | SWP_NOMOVE))
1094 release_win_data( data );
1095 SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
1100 release_win_data( data );
1104 /**********************************************************************
1105 * X11DRV_GravityNotify
1107 static void X11DRV_GravityNotify( HWND hwnd, XEvent *xev )
1109 XGravityEvent *event = &xev->xgravity;
1110 struct x11drv_win_data *data = get_win_data( hwnd );
1111 RECT rect, window_rect;
1115 if (data->whole_window) /* only handle this for foreign windows */
1117 release_win_data( data );
1121 rect.left = event->x;
1122 rect.top = event->y;
1123 rect.right = rect.left + data->whole_rect.right - data->whole_rect.left;
1124 rect.bottom = rect.top + data->whole_rect.bottom - data->whole_rect.top;
1126 TRACE( "win %p/%lx new X rect %d,%d,%dx%d (event %d,%d)\n",
1127 hwnd, data->whole_window, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
1128 event->x, event->y );
1130 X11DRV_X_to_window_rect( data, &rect );
1131 window_rect = data->window_rect;
1132 release_win_data( data );
1134 if (window_rect.left != rect.left || window_rect.top != rect.top)
1135 SetWindowPos( hwnd, 0, rect.left, rect.top, 0, 0,
1136 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOCOPYBITS );
1140 /***********************************************************************
1141 * get_window_wm_state
1143 static int get_window_wm_state( Display *display, Window window )
1151 int format, ret = -1;
1152 unsigned long count, remaining;
1154 if (!XGetWindowProperty( display, window, x11drv_atom(WM_STATE), 0,
1155 sizeof(*state)/sizeof(CARD32), False, x11drv_atom(WM_STATE),
1156 &type, &format, &count, &remaining, (unsigned char **)&state ))
1158 if (type == x11drv_atom(WM_STATE) && get_property_size( format, count ) >= sizeof(*state))
1166 /***********************************************************************
1167 * handle_wm_state_notify
1169 * Handle a PropertyNotify for WM_STATE.
1171 static void handle_wm_state_notify( HWND hwnd, XPropertyEvent *event, BOOL update_window )
1173 struct x11drv_win_data *data = get_win_data( hwnd );
1178 switch(event->state)
1180 case PropertyDelete:
1181 TRACE( "%p/%lx: WM_STATE deleted from %d\n", data->hwnd, data->whole_window, data->wm_state );
1182 data->wm_state = WithdrawnState;
1184 case PropertyNewValue:
1186 int old_state = data->wm_state;
1187 int new_state = get_window_wm_state( event->display, data->whole_window );
1188 if (new_state != -1 && new_state != data->wm_state)
1190 TRACE( "%p/%lx: new WM_STATE %d from %d\n",
1191 data->hwnd, data->whole_window, new_state, old_state );
1192 data->wm_state = new_state;
1193 /* ignore the initial state transition out of withdrawn state */
1194 /* metacity does Withdrawn->NormalState->IconicState when mapping an iconic window */
1195 if (!old_state) goto done;
1201 if (!update_window || !data->managed || !data->mapped) goto done;
1203 style = GetWindowLongW( data->hwnd, GWL_STYLE );
1205 if (data->iconic && data->wm_state == NormalState) /* restore window */
1207 data->iconic = FALSE;
1208 if ((style & WS_CAPTION) == WS_CAPTION && is_net_wm_state_maximized( event->display, data ))
1210 if ((style & WS_MAXIMIZEBOX) && !(style & WS_DISABLED))
1212 TRACE( "restoring to max %p/%lx\n", data->hwnd, data->whole_window );
1213 release_win_data( data );
1214 SendMessageW( hwnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0 );
1217 TRACE( "not restoring to max win %p/%lx style %08x\n", data->hwnd, data->whole_window, style );
1221 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1223 TRACE( "restoring win %p/%lx\n", data->hwnd, data->whole_window );
1224 release_win_data( data );
1225 SendMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, 0 );
1228 TRACE( "not restoring win %p/%lx style %08x\n", data->hwnd, data->whole_window, style );
1231 else if (!data->iconic && data->wm_state == IconicState)
1233 data->iconic = TRUE;
1234 if ((style & WS_MINIMIZEBOX) && !(style & WS_DISABLED))
1236 TRACE( "minimizing win %p/%lx\n", data->hwnd, data->whole_window );
1237 release_win_data( data );
1238 SendMessageW( hwnd, WM_SYSCOMMAND, SC_MINIMIZE, 0 );
1241 TRACE( "not minimizing win %p/%lx style %08x\n", data->hwnd, data->whole_window, style );
1244 release_win_data( data );
1248 /***********************************************************************
1249 * X11DRV_PropertyNotify
1251 static void X11DRV_PropertyNotify( HWND hwnd, XEvent *xev )
1253 XPropertyEvent *event = &xev->xproperty;
1256 if (event->atom == x11drv_atom(WM_STATE)) handle_wm_state_notify( hwnd, event, TRUE );
1260 /* event filter to wait for a WM_STATE change notification on a window */
1261 static Bool is_wm_state_notify( Display *display, XEvent *event, XPointer arg )
1263 if (event->xany.window != (Window)arg) return 0;
1264 return (event->type == DestroyNotify ||
1265 (event->type == PropertyNotify && event->xproperty.atom == x11drv_atom(WM_STATE)));
1268 /***********************************************************************
1269 * wait_for_withdrawn_state
1271 void wait_for_withdrawn_state( HWND hwnd, BOOL set )
1273 Display *display = thread_display();
1274 struct x11drv_win_data *data;
1275 DWORD end = GetTickCount() + 2000;
1277 TRACE( "waiting for window %p to become %swithdrawn\n", hwnd, set ? "" : "not " );
1285 if (!(data = get_win_data( hwnd ))) break;
1286 if (!data->managed || data->embedded || data->display != display) break;
1287 if (!(window = data->whole_window)) break;
1288 if (!data->mapped == !set)
1290 TRACE( "window %p/%lx now %smapped\n", hwnd, window, data->mapped ? "" : "un" );
1293 if ((data->wm_state == WithdrawnState) != !set)
1295 TRACE( "window %p/%lx state now %d\n", hwnd, window, data->wm_state );
1298 release_win_data( data );
1300 while (XCheckIfEvent( display, &event, is_wm_state_notify, (char *)window ))
1303 if (XFilterEvent( &event, None )) continue; /* filtered, ignore it */
1304 if (event.type == DestroyNotify) call_event_handler( display, &event );
1305 else handle_wm_state_notify( hwnd, &event.xproperty, FALSE );
1311 int timeout = end - GetTickCount();
1313 pfd.fd = ConnectionNumber(display);
1314 pfd.events = POLLIN;
1315 if (timeout <= 0 || poll( &pfd, 1, timeout ) != 1)
1317 FIXME( "window %p/%lx wait timed out\n", hwnd, window );
1322 release_win_data( data );
1326 /*****************************************************************
1327 * SetFocus (X11DRV.@)
1331 void CDECL X11DRV_SetFocus( HWND hwnd )
1333 struct x11drv_win_data *data;
1335 if (!(hwnd = GetAncestor( hwnd, GA_ROOT ))) return;
1336 if (!(data = get_win_data( hwnd ))) return;
1337 if (!data->managed) set_input_focus( data->display, data->whole_window );
1338 release_win_data( data );
1342 static HWND find_drop_window( HWND hQueryWnd, LPPOINT lpPt )
1346 if (!IsWindowEnabled(hQueryWnd)) return 0;
1348 GetWindowRect(hQueryWnd, &tempRect);
1350 if(!PtInRect(&tempRect, *lpPt)) return 0;
1352 if (!IsIconic( hQueryWnd ))
1355 ScreenToClient( hQueryWnd, &pt );
1356 GetClientRect( hQueryWnd, &tempRect );
1358 if (PtInRect( &tempRect, pt))
1360 HWND ret = ChildWindowFromPointEx( hQueryWnd, pt, CWP_SKIPINVISIBLE|CWP_SKIPDISABLED );
1361 if (ret && ret != hQueryWnd)
1363 ret = find_drop_window( ret, lpPt );
1364 if (ret) return ret;
1369 if(!(GetWindowLongA( hQueryWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)) return 0;
1371 ScreenToClient(hQueryWnd, lpPt);
1376 /**********************************************************************
1377 * EVENT_DropFromOffix
1379 * don't know if it still works (last Changelog is from 96/11/04)
1381 static void EVENT_DropFromOffiX( HWND hWnd, XClientMessageEvent *event )
1383 struct x11drv_win_data *data;
1384 unsigned long data_length;
1385 unsigned long aux_long;
1386 unsigned char* p_data = NULL;
1388 int x, y, cx, cy, dummy;
1390 Window win, w_aux_root, w_aux_child;
1392 if (!(data = get_win_data( hWnd ))) return;
1393 cx = data->whole_rect.right - data->whole_rect.left;
1394 cy = data->whole_rect.bottom - data->whole_rect.top;
1395 win = data->whole_window;
1396 release_win_data( data );
1398 XQueryPointer( event->display, win, &w_aux_root, &w_aux_child,
1399 &x, &y, &dummy, &dummy, (unsigned int*)&aux_long);
1400 x += virtual_screen_rect.left;
1401 y += virtual_screen_rect.top;
1403 /* find out drop point and drop window */
1404 if (x < 0 || y < 0 || x > cx || y > cy)
1406 bAccept = GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES;
1412 POINT pt = { x, y };
1413 HWND hwndDrop = find_drop_window( hWnd, &pt );
1426 if (!bAccept) return;
1428 XGetWindowProperty( event->display, DefaultRootWindow(event->display),
1429 x11drv_atom(DndSelection), 0, 65535, FALSE,
1430 AnyPropertyType, &atom_aux, &dummy,
1431 &data_length, &aux_long, &p_data);
1433 if( !aux_long && p_data) /* don't bother if > 64K */
1435 char *p = (char *)p_data;
1439 while( *p ) /* calculate buffer size */
1441 INT len = GetShortPathNameA( p, NULL, 0 );
1442 if (len) aux_long += len + 1;
1445 if( aux_long && aux_long < 65535 )
1450 aux_long += sizeof(DROPFILES) + 1;
1451 hDrop = GlobalAlloc( GMEM_SHARE, aux_long );
1452 lpDrop = GlobalLock( hDrop );
1456 lpDrop->pFiles = sizeof(DROPFILES);
1459 lpDrop->fNC = FALSE;
1460 lpDrop->fWide = FALSE;
1461 p_drop = (char *)(lpDrop + 1);
1465 if (GetShortPathNameA( p, p_drop, aux_long - (p_drop - (char *)lpDrop) ))
1466 p_drop += strlen( p_drop ) + 1;
1470 PostMessageA( hWnd, WM_DROPFILES, (WPARAM)hDrop, 0L );
1474 if( p_data ) XFree(p_data);
1477 /**********************************************************************
1480 * drop items are separated by \n
1481 * each item is prefixed by its mime type
1483 * event->data.l[3], event->data.l[4] contains drop x,y position
1485 static void EVENT_DropURLs( HWND hWnd, XClientMessageEvent *event )
1487 struct x11drv_win_data *win_data;
1488 unsigned long data_length;
1489 unsigned long aux_long, drop_len = 0;
1490 unsigned char *p_data = NULL; /* property data */
1491 char *p_drop = NULL;
1503 if (!(GetWindowLongW( hWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES)) return;
1505 XGetWindowProperty( event->display, DefaultRootWindow(event->display),
1506 x11drv_atom(DndSelection), 0, 65535, FALSE,
1507 AnyPropertyType, &u.atom_aux, &u.i,
1508 &data_length, &aux_long, &p_data);
1510 WARN("property too large, truncated!\n");
1511 TRACE("urls=%s\n", p_data);
1513 if( !aux_long && p_data) { /* don't bother if > 64K */
1514 /* calculate length */
1516 next = strchr(p, '\n');
1519 if (strncmp(p,"file:",5) == 0 ) {
1520 INT len = GetShortPathNameA( p+5, NULL, 0 );
1521 if (len) drop_len += len + 1;
1526 next = strchr(p, '\n');
1532 if( drop_len && drop_len < 65535 ) {
1533 XQueryPointer( event->display, root_window, &u.w_aux, &u.w_aux,
1534 &x, &y, &u.i, &u.i, &u.u);
1535 x += virtual_screen_rect.left;
1536 y += virtual_screen_rect.top;
1538 drop_len += sizeof(DROPFILES) + 1;
1539 hDrop = GlobalAlloc( GMEM_SHARE, drop_len );
1540 lpDrop = GlobalLock( hDrop );
1542 if( lpDrop && (win_data = get_win_data( hWnd )))
1544 lpDrop->pFiles = sizeof(DROPFILES);
1548 ( x < (win_data->client_rect.left - win_data->whole_rect.left) ||
1549 y < (win_data->client_rect.top - win_data->whole_rect.top) ||
1550 x > (win_data->client_rect.right - win_data->whole_rect.left) ||
1551 y > (win_data->client_rect.bottom - win_data->whole_rect.top) );
1552 lpDrop->fWide = FALSE;
1553 p_drop = (char*)(lpDrop + 1);
1554 release_win_data( win_data );
1557 /* create message content */
1560 next = strchr(p, '\n');
1563 if (strncmp(p,"file:",5) == 0 ) {
1564 INT len = GetShortPathNameA( p+5, p_drop, 65535 );
1566 TRACE("drop file %s as %s\n", p+5, p_drop);
1569 WARN("can't convert file %s to dos name\n", p+5);
1572 WARN("unknown mime type %s\n", p);
1577 next = strchr(p, '\n');
1584 GlobalUnlock(hDrop);
1585 PostMessageA( hWnd, WM_DROPFILES, (WPARAM)hDrop, 0L );
1588 if( p_data ) XFree(p_data);
1593 /**********************************************************************
1594 * handle_xembed_protocol
1596 static void handle_xembed_protocol( HWND hwnd, XClientMessageEvent *event )
1598 struct x11drv_win_data *data = get_win_data( hwnd );
1602 switch (event->data.l[1])
1604 case XEMBED_EMBEDDED_NOTIFY:
1605 TRACE( "win %p/%lx XEMBED_EMBEDDED_NOTIFY owner %lx\n", hwnd, event->window, event->data.l[3] );
1606 data->embedder = event->data.l[3];
1609 TRACE( "win %p/%lx XEMBED message %lu(%lu)\n",
1610 hwnd, event->window, event->data.l[1], event->data.l[2] );
1613 release_win_data( data );
1617 /**********************************************************************
1618 * handle_dnd_protocol
1620 static void handle_dnd_protocol( HWND hwnd, XClientMessageEvent *event )
1623 int root_x, root_y, child_x, child_y;
1626 /* query window (drag&drop event contains only drag window) */
1627 XQueryPointer( event->display, root_window, &root, &child,
1628 &root_x, &root_y, &child_x, &child_y, &u);
1629 if (XFindContext( event->display, child, winContext, (char **)&hwnd ) != 0) hwnd = 0;
1631 if (event->data.l[0] == DndFile || event->data.l[0] == DndFiles)
1632 EVENT_DropFromOffiX(hwnd, event);
1633 else if (event->data.l[0] == DndURL)
1634 EVENT_DropURLs(hwnd, event);
1638 struct client_message_handler
1640 int atom; /* protocol atom */
1641 void (*handler)(HWND, XClientMessageEvent *); /* corresponding handler function */
1644 static const struct client_message_handler client_messages[] =
1646 { XATOM_MANAGER, handle_manager_message },
1647 { XATOM_WM_PROTOCOLS, handle_wm_protocols },
1648 { XATOM__XEMBED, handle_xembed_protocol },
1649 { XATOM_DndProtocol, handle_dnd_protocol },
1650 { XATOM_XdndEnter, X11DRV_XDND_EnterEvent },
1651 { XATOM_XdndPosition, X11DRV_XDND_PositionEvent },
1652 { XATOM_XdndDrop, X11DRV_XDND_DropEvent },
1653 { XATOM_XdndLeave, X11DRV_XDND_LeaveEvent }
1657 /**********************************************************************
1658 * X11DRV_ClientMessage
1660 static void X11DRV_ClientMessage( HWND hwnd, XEvent *xev )
1662 XClientMessageEvent *event = &xev->xclient;
1667 if (event->format != 32)
1669 WARN( "Don't know how to handle format %d\n", event->format );
1673 for (i = 0; i < sizeof(client_messages)/sizeof(client_messages[0]); i++)
1675 if (event->message_type == X11DRV_Atoms[client_messages[i].atom - FIRST_XATOM])
1677 client_messages[i].handler( hwnd, event );
1681 TRACE( "no handler found for %ld\n", event->message_type );