2 * Window position related functions.
4 * Copyright 1993, 1994, 1995, 2001 Alexandre Julliard
5 * Copyright 1995, 1996, 1999 Alex Korobka
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
25 #include <X11/Xutil.h>
33 #include "wine/wingdi16.h"
37 #include "wine/server.h"
38 #include "wine/debug.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(x11drv
);
42 #define SWP_AGG_NOPOSCHANGE \
43 (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
45 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
46 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
47 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
48 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
49 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
50 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
51 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
52 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
53 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
54 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
55 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
57 #define _NET_WM_STATE_REMOVE 0
58 #define _NET_WM_STATE_ADD 1
59 #define _NET_WM_STATE_TOGGLE 2
61 static const char managed_prop
[] = "__wine_x11_managed";
63 /***********************************************************************
66 void X11DRV_Expose( HWND hwnd
, XEvent
*xev
)
68 XExposeEvent
*event
= &xev
->xexpose
;
70 struct x11drv_win_data
*data
;
71 int flags
= RDW_INVALIDATE
| RDW_ERASE
| RDW_ALLCHILDREN
;
73 TRACE( "win %p (%lx) %d,%d %dx%d\n",
74 hwnd
, event
->window
, event
->x
, event
->y
, event
->width
, event
->height
);
76 if (!(data
= X11DRV_get_win_data( hwnd
))) return;
78 if (event
->window
== data
->whole_window
)
80 rect
.left
= data
->whole_rect
.left
+ event
->x
;
81 rect
.top
= data
->whole_rect
.top
+ event
->y
;
86 rect
.left
= data
->client_rect
.left
+ event
->x
;
87 rect
.top
= data
->client_rect
.top
+ event
->y
;
89 rect
.right
= rect
.left
+ event
->width
;
90 rect
.bottom
= rect
.top
+ event
->height
;
92 if (event
->window
== root_window
)
93 OffsetRect( &rect
, virtual_screen_rect
.left
, virtual_screen_rect
.top
);
95 SERVER_START_REQ( update_window_zorder
)
98 req
->rect
.left
= rect
.left
;
99 req
->rect
.top
= rect
.top
;
100 req
->rect
.right
= rect
.right
;
101 req
->rect
.bottom
= rect
.bottom
;
102 wine_server_call( req
);
106 /* make position relative to client area instead of parent */
107 OffsetRect( &rect
, -data
->client_rect
.left
, -data
->client_rect
.top
);
108 RedrawWindow( hwnd
, &rect
, 0, flags
);
111 /***********************************************************************
112 * SetWindowStyle (X11DRV.@)
114 * Update the X state of a window to reflect a style change
116 void X11DRV_SetWindowStyle( HWND hwnd
, DWORD old_style
)
118 Display
*display
= thread_display();
119 struct x11drv_win_data
*data
;
120 DWORD new_style
, changed
;
122 if (hwnd
== GetDesktopWindow()) return;
123 new_style
= GetWindowLongW( hwnd
, GWL_STYLE
);
124 changed
= new_style
^ old_style
;
126 if ((changed
& WS_VISIBLE
) && (new_style
& WS_VISIBLE
))
128 /* we don't unmap windows, that causes trouble with the window manager */
129 if (!(data
= X11DRV_get_win_data( hwnd
)) &&
130 !(data
= X11DRV_create_win_data( hwnd
))) return;
132 if (data
->whole_window
&& X11DRV_is_window_rect_mapped( &data
->window_rect
))
134 X11DRV_set_wm_hints( display
, data
);
137 TRACE( "mapping win %p/%lx\n", hwnd
, data
->whole_window
);
138 wait_for_withdrawn_state( display
, data
, TRUE
);
139 X11DRV_sync_window_style( display
, data
);
141 XMapWindow( display
, data
->whole_window
);
144 data
->iconic
= (new_style
& WS_MINIMIZE
) != 0;
149 if (changed
& WS_DISABLED
)
151 data
= X11DRV_get_win_data( hwnd
);
152 if (data
&& data
->wm_hints
)
155 data
->wm_hints
->input
= !(new_style
& WS_DISABLED
);
156 XSetWMHints( display
, data
->whole_window
, data
->wm_hints
);
163 /***********************************************************************
164 * update_net_wm_states
166 static void update_net_wm_states( Display
*display
, struct x11drv_win_data
*data
)
168 static const unsigned int state_atoms
[NB_NET_WM_STATES
] =
170 XATOM__NET_WM_STATE_FULLSCREEN
,
171 XATOM__NET_WM_STATE_ABOVE
,
172 XATOM__NET_WM_STATE_MAXIMIZED_VERT
,
173 XATOM__NET_WM_STATE_SKIP_PAGER
,
174 XATOM__NET_WM_STATE_SKIP_TASKBAR
177 DWORD i
, style
, ex_style
, new_state
= 0;
180 if (!data
->managed
) return;
181 if (!data
->mapped
) return;
183 style
= GetWindowLongW( data
->hwnd
, GWL_STYLE
);
184 if (style
& WS_MAXIMIZE
) new_state
|= (1 << NET_WM_STATE_MAXIMIZED
);
186 if (!(style
& WS_MAXIMIZE
) &&
187 data
->whole_rect
.left
<= 0 && data
->whole_rect
.right
>= screen_width
&&
188 data
->whole_rect
.top
<= 0 && data
->whole_rect
.bottom
>= screen_height
)
189 new_state
|= (1 << NET_WM_STATE_FULLSCREEN
);
191 ex_style
= GetWindowLongW( data
->hwnd
, GWL_EXSTYLE
);
192 if (ex_style
& WS_EX_TOPMOST
)
193 new_state
|= (1 << NET_WM_STATE_ABOVE
);
194 if (ex_style
& WS_EX_TOOLWINDOW
)
195 new_state
|= (1 << NET_WM_STATE_SKIP_TASKBAR
) | (1 << NET_WM_STATE_SKIP_PAGER
);
197 xev
.xclient
.type
= ClientMessage
;
198 xev
.xclient
.window
= data
->whole_window
;
199 xev
.xclient
.message_type
= x11drv_atom(_NET_WM_STATE
);
200 xev
.xclient
.serial
= 0;
201 xev
.xclient
.display
= display
;
202 xev
.xclient
.send_event
= True
;
203 xev
.xclient
.format
= 32;
204 xev
.xclient
.data
.l
[3] = 1;
206 for (i
= 0; i
< NB_NET_WM_STATES
; i
++)
208 if (!((data
->net_wm_state
^ new_state
) & (1 << i
))) continue; /* unchanged */
210 TRACE( "setting wm state %u for window %p/%lx to %u prev %u\n",
211 i
, data
->hwnd
, data
->whole_window
,
212 (new_state
& (1 << i
)) != 0, (data
->net_wm_state
& (1 << i
)) != 0 );
214 xev
.xclient
.data
.l
[0] = (new_state
& (1 << i
)) ? _NET_WM_STATE_ADD
: _NET_WM_STATE_REMOVE
;
215 xev
.xclient
.data
.l
[1] = X11DRV_Atoms
[state_atoms
[i
] - FIRST_XATOM
];
216 xev
.xclient
.data
.l
[2] = ((state_atoms
[i
] == XATOM__NET_WM_STATE_MAXIMIZED_VERT
) ?
217 x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ
) : 0);
219 XSendEvent( display
, root_window
, False
, SubstructureRedirectMask
| SubstructureNotifyMask
, &xev
);
222 data
->net_wm_state
= new_state
;
226 /***********************************************************************
229 * Move the window bits when a window is moved.
231 static void move_window_bits( struct x11drv_win_data
*data
, const RECT
*old_rect
, const RECT
*new_rect
,
232 const RECT
*old_client_rect
)
234 RECT src_rect
= *old_rect
;
235 RECT dst_rect
= *new_rect
;
236 HDC hdc_src
, hdc_dst
;
241 if (!data
->whole_window
)
243 OffsetRect( &dst_rect
, -data
->window_rect
.left
, -data
->window_rect
.top
);
244 parent
= GetAncestor( data
->hwnd
, GA_PARENT
);
245 hdc_src
= GetDCEx( parent
, 0, DCX_CACHE
);
246 hdc_dst
= GetDCEx( data
->hwnd
, 0, DCX_CACHE
| DCX_WINDOW
);
250 OffsetRect( &dst_rect
, -data
->client_rect
.left
, -data
->client_rect
.top
);
251 /* make src rect relative to the old position of the window */
252 OffsetRect( &src_rect
, -old_client_rect
->left
, -old_client_rect
->top
);
253 if (dst_rect
.left
== src_rect
.left
&& dst_rect
.top
== src_rect
.top
) return;
254 hdc_src
= hdc_dst
= GetDCEx( data
->hwnd
, 0, DCX_CACHE
);
257 code
= X11DRV_START_EXPOSURES
;
258 ExtEscape( hdc_dst
, X11DRV_ESCAPE
, sizeof(code
), (LPSTR
)&code
, 0, NULL
);
260 TRACE( "copying bits for win %p/%lx/%lx %s -> %s\n",
261 data
->hwnd
, data
->whole_window
, data
->client_window
,
262 wine_dbgstr_rect(&src_rect
), wine_dbgstr_rect(&dst_rect
) );
263 BitBlt( hdc_dst
, dst_rect
.left
, dst_rect
.top
,
264 dst_rect
.right
- dst_rect
.left
, dst_rect
.bottom
- dst_rect
.top
,
265 hdc_src
, src_rect
.left
, src_rect
.top
, SRCCOPY
);
267 code
= X11DRV_END_EXPOSURES
;
268 ExtEscape( hdc_dst
, X11DRV_ESCAPE
, sizeof(code
), (LPSTR
)&code
, sizeof(rgn
), (LPSTR
)&rgn
);
270 ReleaseDC( data
->hwnd
, hdc_dst
);
271 if (hdc_src
!= hdc_dst
) ReleaseDC( parent
, hdc_src
);
275 if (!data
->whole_window
)
277 /* map region to client rect since we are using DCX_WINDOW */
278 OffsetRgn( rgn
, data
->window_rect
.left
- data
->client_rect
.left
,
279 data
->window_rect
.top
- data
->client_rect
.top
);
280 RedrawWindow( data
->hwnd
, NULL
, rgn
,
281 RDW_INVALIDATE
| RDW_FRAME
| RDW_ERASE
| RDW_ALLCHILDREN
);
283 else RedrawWindow( data
->hwnd
, NULL
, rgn
, RDW_INVALIDATE
| RDW_ERASE
| RDW_ALLCHILDREN
);
288 /***********************************************************************
289 * SetWindowPos (X11DRV.@)
291 void X11DRV_SetWindowPos( HWND hwnd
, HWND insert_after
, UINT swp_flags
,
292 const RECT
*rectWindow
, const RECT
*rectClient
,
293 const RECT
*visible_rect
, const RECT
*valid_rects
)
295 Display
*display
= thread_display();
296 struct x11drv_win_data
*data
= X11DRV_get_win_data( hwnd
);
297 DWORD new_style
= GetWindowLongW( hwnd
, GWL_STYLE
);
298 RECT old_window_rect
, old_whole_rect
, old_client_rect
;
302 /* create the win data if the window is being made visible */
303 if (!(new_style
& WS_VISIBLE
)) return;
304 if (!(data
= X11DRV_create_win_data( hwnd
))) return;
307 /* check if we need to switch the window to managed */
308 if (!data
->managed
&& data
->whole_window
&& is_window_managed( hwnd
, swp_flags
, rectWindow
))
310 TRACE( "making win %p/%lx managed\n", hwnd
, data
->whole_window
);
311 data
->managed
= TRUE
;
312 SetPropA( hwnd
, managed_prop
, (HANDLE
)1 );
316 XUnmapWindow( display
, data
->whole_window
);
318 data
->mapped
= FALSE
;
322 old_window_rect
= data
->window_rect
;
323 old_whole_rect
= data
->whole_rect
;
324 old_client_rect
= data
->client_rect
;
325 data
->window_rect
= *rectWindow
;
326 data
->whole_rect
= *rectWindow
;
327 data
->client_rect
= *rectClient
;
328 X11DRV_window_to_X_rect( data
, &data
->whole_rect
);
329 if (memcmp( &visible_rect
, &data
->whole_rect
, sizeof(RECT
) ))
331 TRACE( "%p: need to update visible rect %s -> %s\n", hwnd
,
332 wine_dbgstr_rect(visible_rect
), wine_dbgstr_rect(&data
->whole_rect
) );
333 SERVER_START_REQ( set_window_visible_rect
)
336 req
->flags
= swp_flags
;
337 req
->visible
.left
= data
->whole_rect
.left
;
338 req
->visible
.top
= data
->whole_rect
.top
;
339 req
->visible
.right
= data
->whole_rect
.right
;
340 req
->visible
.bottom
= data
->whole_rect
.bottom
;
341 wine_server_call( req
);
346 TRACE( "win %p window %s client %s style %08x flags %08x\n",
347 hwnd
, wine_dbgstr_rect(rectWindow
), wine_dbgstr_rect(rectClient
), new_style
, swp_flags
);
349 if (!IsRectEmpty( &valid_rects
[0] ))
351 int x_offset
= old_whole_rect
.left
- data
->whole_rect
.left
;
352 int y_offset
= old_whole_rect
.top
- data
->whole_rect
.top
;
354 /* if all that happened is that the whole window moved, copy everything */
355 if (!(swp_flags
& SWP_FRAMECHANGED
) &&
356 old_whole_rect
.right
- data
->whole_rect
.right
== x_offset
&&
357 old_whole_rect
.bottom
- data
->whole_rect
.bottom
== y_offset
&&
358 old_client_rect
.left
- data
->client_rect
.left
== x_offset
&&
359 old_client_rect
.right
- data
->client_rect
.right
== x_offset
&&
360 old_client_rect
.top
- data
->client_rect
.top
== y_offset
&&
361 old_client_rect
.bottom
- data
->client_rect
.bottom
== y_offset
&&
362 !memcmp( &valid_rects
[0], &data
->client_rect
, sizeof(RECT
) ))
364 /* if we have an X window the bits will be moved by the X server */
365 if (!data
->whole_window
)
366 move_window_bits( data
, &old_whole_rect
, &data
->whole_rect
, &old_client_rect
);
369 move_window_bits( data
, &valid_rects
[1], &valid_rects
[0], &old_client_rect
);
372 X11DRV_sync_client_position( display
, data
, swp_flags
, &old_client_rect
, &old_whole_rect
);
374 if (!data
->whole_window
|| data
->lock_changes
) return; /* nothing more to do */
376 if (data
->mapped
&& (!(new_style
& WS_VISIBLE
) || !X11DRV_is_window_rect_mapped( rectWindow
)))
378 TRACE( "unmapping win %p/%lx\n", hwnd
, data
->whole_window
);
379 wait_for_withdrawn_state( display
, data
, FALSE
);
381 if (data
->managed
) XWithdrawWindow( display
, data
->whole_window
, DefaultScreen(display
) );
382 else XUnmapWindow( display
, data
->whole_window
);
384 data
->mapped
= FALSE
;
385 data
->net_wm_state
= 0;
388 /* don't change position if we are about to minimize or maximize a managed window */
389 if (!(data
->managed
&& (swp_flags
& SWP_STATECHANGED
) && (new_style
& (WS_MINIMIZE
|WS_MAXIMIZE
))))
390 X11DRV_sync_window_position( display
, data
, swp_flags
, &old_client_rect
, &old_whole_rect
);
392 if ((new_style
& WS_VISIBLE
) &&
393 ((new_style
& WS_MINIMIZE
) || X11DRV_is_window_rect_mapped( rectWindow
)))
395 if (!data
->mapped
|| (swp_flags
& (SWP_FRAMECHANGED
|SWP_STATECHANGED
)))
396 X11DRV_set_wm_hints( display
, data
);
400 TRACE( "mapping win %p/%lx\n", hwnd
, data
->whole_window
);
401 wait_for_withdrawn_state( display
, data
, TRUE
);
402 X11DRV_sync_window_style( display
, data
);
404 XMapWindow( display
, data
->whole_window
);
408 data
->iconic
= (new_style
& WS_MINIMIZE
) != 0;
410 else if ((swp_flags
& SWP_STATECHANGED
) && (!data
->iconic
!= !(new_style
& WS_MINIMIZE
)))
412 data
->iconic
= (new_style
& WS_MINIMIZE
) != 0;
413 TRACE( "changing win %p iconic state to %u\n", data
->hwnd
, data
->iconic
);
416 XIconifyWindow( display
, data
->whole_window
, DefaultScreen(display
) );
417 else if (X11DRV_is_window_rect_mapped( rectWindow
))
418 XMapWindow( display
, data
->whole_window
);
421 update_net_wm_states( display
, data
);
426 /**********************************************************************
429 void X11DRV_MapNotify( HWND hwnd
, XEvent
*event
)
431 struct x11drv_win_data
*data
;
434 if (!(data
= X11DRV_get_win_data( hwnd
))) return;
435 if (!data
->mapped
) return;
439 HWND hwndFocus
= GetFocus();
440 if (hwndFocus
&& IsChild( hwnd
, hwndFocus
)) X11DRV_SetFocus(hwndFocus
); /* FIXME */
443 if (!data
->iconic
) return;
445 state
= get_window_wm_state( event
->xmap
.display
, data
);
446 if (state
== NormalState
)
449 unsigned int width
, height
, border
, depth
;
456 XGetGeometry( event
->xmap
.display
, data
->whole_window
, &root
, &x
, &y
, &width
, &height
,
458 XTranslateCoordinates( event
->xmap
.display
, data
->whole_window
, root
, 0, 0, &x
, &y
, &top
);
462 rect
.right
= x
+ width
;
463 rect
.bottom
= y
+ height
;
464 OffsetRect( &rect
, virtual_screen_rect
.left
, virtual_screen_rect
.top
);
465 X11DRV_X_to_window_rect( data
, &rect
);
467 wp
.length
= sizeof(wp
);
468 GetWindowPlacement( hwnd
, &wp
);
470 wp
.showCmd
= SW_RESTORE
;
471 wp
.rcNormalPosition
= rect
;
473 TRACE( "restoring win %p/%lx\n", hwnd
, data
->whole_window
);
474 data
->iconic
= FALSE
;
475 data
->lock_changes
++;
476 SetWindowPlacement( hwnd
, &wp
);
477 data
->lock_changes
--;
479 else TRACE( "win %p/%lx ignoring since state=%d\n", hwnd
, data
->whole_window
, state
);
483 /**********************************************************************
486 void X11DRV_UnmapNotify( HWND hwnd
, XEvent
*event
)
488 struct x11drv_win_data
*data
;
491 if (!(data
= X11DRV_get_win_data( hwnd
))) return;
492 if (!data
->managed
|| !data
->mapped
|| data
->iconic
) return;
494 state
= get_window_wm_state( event
->xunmap
.display
, data
);
495 if (state
== IconicState
)
497 TRACE( "minimizing win %p/%lx\n", hwnd
, data
->whole_window
);
499 data
->lock_changes
++;
500 ShowWindow( hwnd
, SW_MINIMIZE
);
501 data
->lock_changes
--;
503 else TRACE( "win %p/%lx ignoring since state=%d\n", hwnd
, data
->whole_window
, state
);
506 struct desktop_resize_data
508 RECT old_screen_rect
;
509 RECT old_virtual_rect
;
512 static BOOL CALLBACK
update_windows_on_desktop_resize( HWND hwnd
, LPARAM lparam
)
514 struct x11drv_win_data
*data
;
515 Display
*display
= thread_display();
516 struct desktop_resize_data
*resize_data
= (struct desktop_resize_data
*)lparam
;
519 if (!(data
= X11DRV_get_win_data( hwnd
))) return TRUE
;
521 if (GetWindowLongW( hwnd
, GWL_STYLE
) & WS_VISIBLE
)
523 /* update the full screen state */
524 update_net_wm_states( display
, data
);
527 if (resize_data
->old_virtual_rect
.left
!= virtual_screen_rect
.left
) mask
|= CWX
;
528 if (resize_data
->old_virtual_rect
.top
!= virtual_screen_rect
.top
) mask
|= CWY
;
529 if (mask
&& data
->whole_window
)
531 XWindowChanges changes
;
534 changes
.x
= data
->whole_rect
.left
- virtual_screen_rect
.left
;
535 changes
.y
= data
->whole_rect
.top
- virtual_screen_rect
.top
;
536 XReconfigureWMWindow( display
, data
->whole_window
,
537 DefaultScreen(display
), mask
, &changes
);
544 /***********************************************************************
545 * X11DRV_resize_desktop
547 void X11DRV_resize_desktop( unsigned int width
, unsigned int height
)
549 HWND hwnd
= GetDesktopWindow();
550 struct desktop_resize_data resize_data
;
552 SetRect( &resize_data
.old_screen_rect
, 0, 0, screen_width
, screen_height
);
553 resize_data
.old_virtual_rect
= virtual_screen_rect
;
555 xinerama_init( width
, height
);
557 if (GetWindowThreadProcessId( hwnd
, NULL
) != GetCurrentThreadId())
559 SendMessageW( hwnd
, WM_X11DRV_RESIZE_DESKTOP
, 0, MAKELPARAM( width
, height
) );
563 TRACE( "desktop %p change to (%dx%d)\n", hwnd
, width
, height
);
564 SetWindowPos( hwnd
, 0, virtual_screen_rect
.left
, virtual_screen_rect
.top
,
565 virtual_screen_rect
.right
- virtual_screen_rect
.left
,
566 virtual_screen_rect
.bottom
- virtual_screen_rect
.top
,
567 SWP_NOZORDER
| SWP_NOACTIVATE
| SWP_DEFERERASE
);
568 SendMessageTimeoutW( HWND_BROADCAST
, WM_DISPLAYCHANGE
, screen_bpp
,
569 MAKELPARAM( width
, height
), SMTO_ABORTIFHUNG
, 2000, NULL
);
572 EnumWindows( update_windows_on_desktop_resize
, (LPARAM
)&resize_data
);
576 /***********************************************************************
577 * X11DRV_ConfigureNotify
579 void X11DRV_ConfigureNotify( HWND hwnd
, XEvent
*xev
)
581 XConfigureEvent
*event
= &xev
->xconfigure
;
582 struct x11drv_win_data
*data
;
585 int cx
, cy
, x
= event
->x
, y
= event
->y
;
588 if (!(data
= X11DRV_get_win_data( hwnd
))) return;
592 if (!event
->send_event
) /* normal event, need to map coordinates to the root */
596 XTranslateCoordinates( event
->display
, data
->whole_window
, root_window
,
597 0, 0, &x
, &y
, &child
);
602 rect
.right
= x
+ event
->width
;
603 rect
.bottom
= y
+ event
->height
;
604 OffsetRect( &rect
, virtual_screen_rect
.left
, virtual_screen_rect
.top
);
605 TRACE( "win %p new X rect %d,%d,%dx%d (event %d,%d,%dx%d)\n",
606 hwnd
, rect
.left
, rect
.top
, rect
.right
-rect
.left
, rect
.bottom
-rect
.top
,
607 event
->x
, event
->y
, event
->width
, event
->height
);
608 X11DRV_X_to_window_rect( data
, &rect
);
612 cx
= rect
.right
- rect
.left
;
613 cy
= rect
.bottom
- rect
.top
;
614 flags
= SWP_NOACTIVATE
| SWP_NOZORDER
;
616 /* Compare what has changed */
618 GetWindowRect( hwnd
, &rect
);
619 if (rect
.left
== x
&& rect
.top
== y
) flags
|= SWP_NOMOVE
;
621 TRACE( "%p moving from (%d,%d) to (%d,%d)\n",
622 hwnd
, rect
.left
, rect
.top
, x
, y
);
624 if ((rect
.right
- rect
.left
== cx
&& rect
.bottom
- rect
.top
== cy
) ||
626 (IsRectEmpty( &rect
) && event
->width
== 1 && event
->height
== 1))
628 if (flags
& SWP_NOMOVE
) return; /* if nothing changed, don't do anything */
632 TRACE( "%p resizing from (%dx%d) to (%dx%d)\n",
633 hwnd
, rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, cx
, cy
);
635 data
->lock_changes
++;
636 SetWindowPos( hwnd
, 0, x
, y
, cx
, cy
, flags
);
637 data
->lock_changes
--;
641 /***********************************************************************
644 static BOOL
is_netwm_supported( Display
*display
, Atom atom
)
646 static Atom
*net_supported
;
647 static int net_supported_count
= -1;
651 if (net_supported_count
== -1)
655 unsigned long count
, remaining
;
657 if (!XGetWindowProperty( display
, DefaultRootWindow(display
), x11drv_atom(_NET_SUPPORTED
), 0,
658 ~0UL, False
, XA_ATOM
, &type
, &format
, &count
,
659 &remaining
, (unsigned char **)&net_supported
))
660 net_supported_count
= count
* (format
/ 8) / sizeof(Atom
);
662 net_supported_count
= 0;
666 for (i
= 0; i
< net_supported_count
; i
++)
667 if (net_supported
[i
] == atom
) return TRUE
;
672 /***********************************************************************
673 * SysCommandSizeMove (X11DRV.@)
675 * Perform SC_MOVE and SC_SIZE commands.
677 BOOL
X11DRV_SysCommandSizeMove( HWND hwnd
, WPARAM wparam
)
679 WPARAM syscommand
= wparam
& 0xfff0;
680 WPARAM hittest
= wparam
& 0x0f;
684 Display
*display
= thread_display();
685 struct x11drv_win_data
*data
;
687 if (!(data
= X11DRV_get_win_data( hwnd
))) return FALSE
;
688 if (!data
->whole_window
|| !data
->managed
) return FALSE
;
690 if (!is_netwm_supported( display
, x11drv_atom(_NET_WM_MOVERESIZE
) ))
692 TRACE( "_NET_WM_MOVERESIZE not supported\n" );
696 if (syscommand
== SC_MOVE
)
698 if (!hittest
) dir
= _NET_WM_MOVERESIZE_MOVE_KEYBOARD
;
699 else dir
= _NET_WM_MOVERESIZE_MOVE
;
703 /* windows without WS_THICKFRAME are not resizable through the window manager */
704 if (!(GetWindowLongW( hwnd
, GWL_STYLE
) & WS_THICKFRAME
)) return FALSE
;
708 case WMSZ_LEFT
: dir
= _NET_WM_MOVERESIZE_SIZE_LEFT
; break;
709 case WMSZ_RIGHT
: dir
= _NET_WM_MOVERESIZE_SIZE_RIGHT
; break;
710 case WMSZ_TOP
: dir
= _NET_WM_MOVERESIZE_SIZE_TOP
; break;
711 case WMSZ_TOPLEFT
: dir
= _NET_WM_MOVERESIZE_SIZE_TOPLEFT
; break;
712 case WMSZ_TOPRIGHT
: dir
= _NET_WM_MOVERESIZE_SIZE_TOPRIGHT
; break;
713 case WMSZ_BOTTOM
: dir
= _NET_WM_MOVERESIZE_SIZE_BOTTOM
; break;
714 case WMSZ_BOTTOMLEFT
: dir
= _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT
; break;
715 case WMSZ_BOTTOMRIGHT
: dir
= _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT
; break;
716 default: dir
= _NET_WM_MOVERESIZE_SIZE_KEYBOARD
; break;
720 dwPoint
= GetMessagePos();
721 x
= (short)LOWORD(dwPoint
);
722 y
= (short)HIWORD(dwPoint
);
724 TRACE("hwnd %p, x %d, y %d, dir %d\n", hwnd
, x
, y
, dir
);
726 xev
.xclient
.type
= ClientMessage
;
727 xev
.xclient
.window
= X11DRV_get_whole_window(hwnd
);
728 xev
.xclient
.message_type
= x11drv_atom(_NET_WM_MOVERESIZE
);
729 xev
.xclient
.serial
= 0;
730 xev
.xclient
.display
= display
;
731 xev
.xclient
.send_event
= True
;
732 xev
.xclient
.format
= 32;
733 xev
.xclient
.data
.l
[0] = x
; /* x coord */
734 xev
.xclient
.data
.l
[1] = y
; /* y coord */
735 xev
.xclient
.data
.l
[2] = dir
; /* direction */
736 xev
.xclient
.data
.l
[3] = 1; /* button */
737 xev
.xclient
.data
.l
[4] = 0; /* unused */
739 /* need to ungrab the pointer that may have been automatically grabbed
740 * with a ButtonPress event */
742 XUngrabPointer( display
, CurrentTime
);
743 XSendEvent(display
, root_window
, False
, SubstructureNotifyMask
, &xev
);