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Release 961222
[wine/gsoc-2012-control.git] / windows / win.c
blobaae3d6d5392c4f17ebb9c4a8793ca6ed5d514218
1 /*
2 * Window related functions
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 */
6
7 #include <stdlib.h>
8 #include <stdio.h>
9 #include <string.h>
10 #include <X11/Xatom.h>
11
12 #include "options.h"
13 #include "class.h"
14 #include "win.h"
15 #include "heap.h"
16 #include "user.h"
17 #include "dce.h"
18 #include "sysmetrics.h"
19 #include "cursoricon.h"
20 #include "heap.h"
21 #include "hook.h"
22 #include "menu.h"
23 #include "message.h"
24 #include "nonclient.h"
25 #include "queue.h"
26 #include "winpos.h"
27 #include "color.h"
28 #include "shm_main_blk.h"
29 #include "dde_proc.h"
30 #include "clipboard.h"
31 #include "winproc.h"
32 #include "stddebug.h"
33 /* #define DEBUG_WIN */
34 /* #define DEBUG_MENU */
35 #include "debug.h"
36
37 /* Desktop window */
38 static WND *pWndDesktop = NULL;
39
40 static HWND hwndSysModal = 0;
41
42 static WORD wDragWidth = 4;
43 static WORD wDragHeight= 3;
44
45 extern HCURSOR16 CURSORICON_IconToCursor(HICON16, BOOL32);
46 extern HWND32 CARET_GetHwnd(void);
47 extern BOOL32 WINPOS_ActivateOtherWindow(WND* pWnd);
48 extern void WINPOS_CheckActive(HWND32);
49
50 /***********************************************************************
51 * WIN_FindWndPtr
52 *
53 * Return a pointer to the WND structure corresponding to a HWND.
54 */
55 WND * WIN_FindWndPtr( HWND32 hwnd )
56 {
57 WND * ptr;
58
59 if (!hwnd || HIWORD(hwnd)) return NULL;
60 ptr = (WND *) USER_HEAP_LIN_ADDR( hwnd );
61 if (ptr->dwMagic != WND_MAGIC) return NULL;
62 if (ptr->hwndSelf != hwnd)
63 {
64 fprintf( stderr, "Can't happen: hwnd %04x self pointer is %04x\n",
65 hwnd, ptr->hwndSelf );
66 return NULL;
67 }
68 return ptr;
69 }
70
71
72 /***********************************************************************
73 * WIN_DumpWindow
74 *
75 * Dump the content of a window structure to stderr.
76 */
77 void WIN_DumpWindow( HWND32 hwnd )
78 {
79 WND *ptr;
80 char className[80];
81 int i;
82
83 if (!(ptr = WIN_FindWndPtr( hwnd )))
84 {
85 fprintf( stderr, "%04x is not a window handle\n", hwnd );
86 return;
87 }
88
89 if (!GetClassName32A( hwnd, className, sizeof(className ) ))
90 strcpy( className, "#NULL#" );
91
92 fprintf( stderr, "Window %04x (%p):\n", hwnd, ptr );
93 fprintf( stderr,
94 "next=%p child=%p parent=%p owner=%p class=%p '%s'\n"
95 "inst=%04x taskQ=%04x updRgn=%04x active=%04x dce=%p idmenu=%04x\n"
96 "style=%08lx exstyle=%08lx wndproc=%08x text='%s'\n"
97 "client=%d,%d-%d,%d window=%d,%d-%d,%d iconpos=%d,%d maxpos=%d,%d\n"
98 "sysmenu=%04x flags=%04x props=%p vscroll=%p hscroll=%p\n",
99 ptr->next, ptr->child, ptr->parent, ptr->owner,
100 ptr->class, className, ptr->hInstance, ptr->hmemTaskQ,
101 ptr->hrgnUpdate, ptr->hwndLastActive, ptr->dce, ptr->wIDmenu,
102 ptr->dwStyle, ptr->dwExStyle, (UINT32)ptr->winproc,
103 ptr->text ? ptr->text : "",
104 ptr->rectClient.left, ptr->rectClient.top, ptr->rectClient.right,
105 ptr->rectClient.bottom, ptr->rectWindow.left, ptr->rectWindow.top,
106 ptr->rectWindow.right, ptr->rectWindow.bottom, ptr->ptIconPos.x,
107 ptr->ptIconPos.y, ptr->ptMaxPos.x, ptr->ptMaxPos.y, ptr->hSysMenu,
108 ptr->flags, ptr->pProp, ptr->pVScroll, ptr->pHScroll );
109
110 if (ptr->class->cbWndExtra)
111 {
112 fprintf( stderr, "extra bytes:" );
113 for (i = 0; i < ptr->class->cbWndExtra; i++)
114 fprintf( stderr, " %02x", *((BYTE*)ptr->wExtra+i) );
115 fprintf( stderr, "\n" );
116 }
117 fprintf( stderr, "\n" );
118 }
119
120
121 /***********************************************************************
122 * WIN_WalkWindows
123 *
124 * Walk the windows tree and print each window on stderr.
125 */
126 void WIN_WalkWindows( HWND32 hwnd, int indent )
127 {
128 WND *ptr;
129 char className[80];
130
131 ptr = hwnd ? WIN_FindWndPtr( hwnd ) : pWndDesktop;
132 if (!ptr)
133 {
134 fprintf( stderr, "*** Invalid window handle %04x\n", hwnd );
135 return;
136 }
137
138 if (!indent) /* first time around */
139 fprintf( stderr, "%-16.16s %-8.8s %-6.6s %-17.17s %-8.8s %s\n",
140 "hwnd", " wndPtr", "queue", "Class Name", " Style", " WndProc");
141
142 while (ptr)
143 {
144 fprintf(stderr, "%*s%04x%*s", indent, "", ptr->hwndSelf, 13-indent,"");
145
146 GlobalGetAtomName16(ptr->class->atomName,className,sizeof(className));
147
148 fprintf( stderr, "%08lx %-6.4x %-17.17s %08x %08x\n",
149 (DWORD)ptr, ptr->hmemTaskQ, className,
150 (UINT32)ptr->dwStyle, (UINT32)ptr->winproc );
151
152 if (ptr->child) WIN_WalkWindows( ptr->child->hwndSelf, indent+1 );
153 ptr = ptr->next;
154 }
155 }
156
157
158 /***********************************************************************
159 * WIN_GetXWindow
160 *
161 * Return the X window associated to a window.
162 */
163 Window WIN_GetXWindow( HWND32 hwnd )
164 {
165 WND *wndPtr = WIN_FindWndPtr( hwnd );
166 while (wndPtr && !wndPtr->window) wndPtr = wndPtr->parent;
167 return wndPtr ? wndPtr->window : 0;
168 }
169
170
171 /***********************************************************************
172 * WIN_UnlinkWindow
173 *
174 * Remove a window from the siblings linked list.
175 */
176 BOOL32 WIN_UnlinkWindow( HWND32 hwnd )
177 {
178 WND *wndPtr, **ppWnd;
179
180 if (!(wndPtr = WIN_FindWndPtr( hwnd )) || !wndPtr->parent) return FALSE;
181 ppWnd = &wndPtr->parent->child;
182 while (*ppWnd != wndPtr) ppWnd = &(*ppWnd)->next;
183 *ppWnd = wndPtr->next;
184 return TRUE;
185 }
186
187
188 /***********************************************************************
189 * WIN_LinkWindow
190 *
191 * Insert a window into the siblings linked list.
192 * The window is inserted after the specified window, which can also
193 * be specified as HWND_TOP or HWND_BOTTOM.
194 */
195 BOOL32 WIN_LinkWindow( HWND32 hwnd, HWND32 hwndInsertAfter )
196 {
197 WND *wndPtr, **ppWnd;
198
199 if (!(wndPtr = WIN_FindWndPtr( hwnd )) || !wndPtr->parent) return FALSE;
200
201 if ((hwndInsertAfter == HWND_TOP) || (hwndInsertAfter == HWND_BOTTOM))
202 {
203 ppWnd = &wndPtr->parent->child; /* Point to first sibling hwnd */
204 if (hwndInsertAfter == HWND_BOTTOM) /* Find last sibling hwnd */
205 while (*ppWnd) ppWnd = &(*ppWnd)->next;
206 }
207 else /* Normal case */
208 {
209 WND * afterPtr = WIN_FindWndPtr( hwndInsertAfter );
210 if (!afterPtr) return FALSE;
211 ppWnd = &afterPtr->next;
212 }
213 wndPtr->next = *ppWnd;
214 *ppWnd = wndPtr;
215 return TRUE;
216 }
217
218
219 /***********************************************************************
220 * WIN_FindWinToRepaint
221 *
222 * Find a window that needs repaint.
223 */
224 HWND32 WIN_FindWinToRepaint( HWND32 hwnd, HQUEUE16 hQueue )
225 {
226 HWND hwndRet;
227 WND *pWnd = pWndDesktop;
228
229 /* Note: the desktop window never gets WM_PAINT messages
230 * The real reason why is because Windows DesktopWndProc
231 * does ValidateRgn inside WM_ERASEBKGND handler.
232 */
233
234 pWnd = hwnd ? WIN_FindWndPtr( hwnd ) : pWndDesktop->child;
235
236 for ( ; pWnd ; pWnd = pWnd->next )
237 {
238 if (!(pWnd->dwStyle & WS_VISIBLE) || (pWnd->flags & WIN_NO_REDRAW))
239 {
240 dprintf_win( stddeb, "FindWinToRepaint: skipping window %04x\n",
241 pWnd->hwndSelf );
242 continue;
243 }
244 if ((pWnd->hmemTaskQ == hQueue) &&
245 (pWnd->hrgnUpdate || (pWnd->flags & WIN_INTERNAL_PAINT))) break;
246
247 if (pWnd->child )
248 if ((hwndRet = WIN_FindWinToRepaint( pWnd->child->hwndSelf, hQueue )) )
249 return hwndRet;
250 }
251
252 if (!pWnd) return 0;
253
254 hwndRet = pWnd->hwndSelf;
255
256 /* look among siblings if we got a transparent window */
257 while (pWnd && ((pWnd->dwExStyle & WS_EX_TRANSPARENT) ||
258 !(pWnd->hrgnUpdate || (pWnd->flags & WIN_INTERNAL_PAINT))))
259 {
260 pWnd = pWnd->next;
261 }
262 if (pWnd) hwndRet = pWnd->hwndSelf;
263 dprintf_win(stddeb,"FindWinToRepaint: found %04x\n",hwndRet);
264 return hwndRet;
265 }
266
267
268 /***********************************************************************
269 * WIN_SendParentNotify
270 *
271 * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless
272 * the window has the WS_EX_NOPARENTNOTIFY style.
273 */
274 void WIN_SendParentNotify(HWND32 hwnd, WORD event, WORD idChild, LPARAM lValue)
275 {
276 LPPOINT16 lppt = (LPPOINT16)&lValue;
277 WND *wndPtr = WIN_FindWndPtr( hwnd );
278 BOOL bMouse = ((event <= WM_MOUSELAST) && (event >= WM_MOUSEFIRST));
279
280 /* if lValue contains cursor coordinates they have to be
281 * mapped to the client area of parent window */
282
283 if (bMouse) MapWindowPoints16( 0, hwnd, lppt, 1 );
284
285 while (wndPtr)
286 {
287 if ((wndPtr->dwExStyle & WS_EX_NOPARENTNOTIFY) ||
288 !(wndPtr->dwStyle & WS_CHILD)) break;
289
290 if (bMouse)
291 {
292 lppt->x += wndPtr->rectClient.left;
293 lppt->y += wndPtr->rectClient.top;
294 }
295
296 wndPtr = wndPtr->parent;
297 SendMessage32A( wndPtr->hwndSelf, WM_PARENTNOTIFY,
298 MAKEWPARAM( event, idChild ), lValue );
299 }
300 }
301
302
303 /***********************************************************************
304 * WIN_DestroyWindow
305 *
306 * Destroy storage associated to a window. "Internals" p.358
307 */
308 static void WIN_DestroyWindow( WND* wndPtr )
309 {
310 HWND hwnd = wndPtr->hwndSelf;
311 WND* pWnd,*pNext;
312
313 dprintf_win( stddeb, "WIN_DestroyWindow: %04x\n", wndPtr->hwndSelf );
314
315 #ifdef CONFIG_IPC
316 if (main_block)
317 DDE_DestroyWindow(wndPtr->hwndSelf);
318 #endif /* CONFIG_IPC */
319
320 /* free child windows */
321
322 pNext = wndPtr->child;
323 while( (pWnd = pNext) )
324 {
325 pNext = pWnd->next;
326 WIN_DestroyWindow( pWnd );
327 }
328
329 SendMessage32A( wndPtr->hwndSelf, WM_NCDESTROY, 0, 0);
330
331 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
332
333 WINPOS_CheckActive( hwnd );
334 if( hwnd == GetCapture32()) ReleaseCapture();
335
336 /* free resources associated with the window */
337
338 TIMER_RemoveWindowTimers( wndPtr->hwndSelf );
339 PROPERTY_RemoveWindowProps( wndPtr );
340
341 wndPtr->dwMagic = 0; /* Mark it as invalid */
342 wndPtr->hwndSelf = 0;
343
344 if ((wndPtr->hrgnUpdate) || (wndPtr->flags & WIN_INTERNAL_PAINT))
345 {
346 if (wndPtr->hrgnUpdate) DeleteObject32( wndPtr->hrgnUpdate );
347 QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
348 }
349
350 /* toss stale messages from the queue */
351
352 if( wndPtr->hmemTaskQ )
353 {
354 int pos;
355 MESSAGEQUEUE* msgQ = (MESSAGEQUEUE*) GlobalLock16(wndPtr->hmemTaskQ);
356
357 while( (pos = QUEUE_FindMsg(msgQ, hwnd, 0, 0)) != -1 )
358 QUEUE_RemoveMsg(msgQ, pos);
359 wndPtr->hmemTaskQ = 0;
360 }
361
362 if (!(wndPtr->dwStyle & WS_CHILD))
363 if (wndPtr->wIDmenu) DestroyMenu( (HMENU16)wndPtr->wIDmenu );
364 if (wndPtr->hSysMenu) DestroyMenu( wndPtr->hSysMenu );
365 if (wndPtr->window) EVENT_DestroyWindow( wndPtr );
366 if (wndPtr->class->style & CS_OWNDC) DCE_FreeDCE( wndPtr->dce );
367
368 WINPROC_FreeProc( wndPtr->winproc );
369
370 wndPtr->class->cWindows--;
371 wndPtr->class = NULL;
372
373 USER_HEAP_FREE( hwnd );
374 }
375
376 /***********************************************************************
377 * WIN_ResetQueueWindows
378 */
379 void WIN_ResetQueueWindows( WND* wnd, HQUEUE16 hQueue, HQUEUE16 hNew )
380 {
381 WND* next;
382
383 while (wnd)
384 {
385 next = wnd->next;
386 if (wnd->hmemTaskQ == hQueue)
387 if( hNew ) wnd->hmemTaskQ = hNew;
388 else DestroyWindow( wnd->hwndSelf );
389 else WIN_ResetQueueWindows( wnd->child, hQueue, hNew );
390 wnd = next;
391 }
392 }
393
394 /***********************************************************************
395 * WIN_CreateDesktopWindow
396 *
397 * Create the desktop window.
398 */
399 BOOL32 WIN_CreateDesktopWindow(void)
400 {
401 CLASS *class;
402 HWND hwndDesktop;
403
404 dprintf_win(stddeb,"Creating desktop window\n");
405
406 if (!(class = CLASS_FindClassByAtom( DESKTOP_CLASS_ATOM, 0 )))
407 return FALSE;
408
409 hwndDesktop = USER_HEAP_ALLOC( sizeof(WND)+class->cbWndExtra );
410 if (!hwndDesktop) return FALSE;
411 pWndDesktop = (WND *) USER_HEAP_LIN_ADDR( hwndDesktop );
412
413 pWndDesktop->next = NULL;
414 pWndDesktop->child = NULL;
415 pWndDesktop->parent = NULL;
416 pWndDesktop->owner = NULL;
417 pWndDesktop->class = class;
418 pWndDesktop->winproc = NULL;
419 pWndDesktop->dwMagic = WND_MAGIC;
420 pWndDesktop->hwndSelf = hwndDesktop;
421 pWndDesktop->hInstance = 0;
422 pWndDesktop->rectWindow.left = 0;
423 pWndDesktop->rectWindow.top = 0;
424 pWndDesktop->rectWindow.right = SYSMETRICS_CXSCREEN;
425 pWndDesktop->rectWindow.bottom = SYSMETRICS_CYSCREEN;
426 pWndDesktop->rectClient = pWndDesktop->rectWindow;
427 pWndDesktop->rectNormal = pWndDesktop->rectWindow;
428 pWndDesktop->ptIconPos.x = -1;
429 pWndDesktop->ptIconPos.y = -1;
430 pWndDesktop->ptMaxPos.x = -1;
431 pWndDesktop->ptMaxPos.y = -1;
432 pWndDesktop->text = NULL;
433 pWndDesktop->hmemTaskQ = 0; /* Desktop does not belong to a task */
434 pWndDesktop->hrgnUpdate = 0;
435 pWndDesktop->hwndLastActive = hwndDesktop;
436 pWndDesktop->dwStyle = WS_VISIBLE | WS_CLIPCHILDREN |
437 WS_CLIPSIBLINGS;
438 pWndDesktop->dwExStyle = 0;
439 pWndDesktop->dce = NULL;
440 pWndDesktop->pVScroll = NULL;
441 pWndDesktop->pHScroll = NULL;
442 pWndDesktop->pProp = NULL;
443 pWndDesktop->wIDmenu = 0;
444 pWndDesktop->flags = 0;
445 pWndDesktop->window = rootWindow;
446 pWndDesktop->hSysMenu = 0;
447 pWndDesktop->userdata = 0;
448
449 WINPROC_SetProc( &pWndDesktop->winproc, (WNDPROC16)class->winproc, 0 );
450 EVENT_RegisterWindow( pWndDesktop );
451 SendMessage32A( hwndDesktop, WM_NCCREATE, 0, 0 );
452 pWndDesktop->flags |= WIN_NEEDS_ERASEBKGND;
453 return TRUE;
454 }
455
456
457 /***********************************************************************
458 * WIN_CreateWindowEx
459 *
460 * Implementation of CreateWindowEx().
461 */
462 static HWND WIN_CreateWindowEx( CREATESTRUCT32A *cs, ATOM classAtom,
463 BOOL unicode )
464 {
465 CLASS *classPtr;
466 WND *wndPtr;
467 HWND16 hwnd, hwndLinkAfter;
468 POINT16 maxSize, maxPos, minTrack, maxTrack;
469 LRESULT wmcreate;
470
471 dprintf_win( stddeb, "CreateWindowEx: " );
472 if (HIWORD(cs->lpszName)) dprintf_win( stddeb, "'%s' ", cs->lpszName );
473 else dprintf_win( stddeb, "#%04x ", LOWORD(cs->lpszName) );
474 if (HIWORD(cs->lpszClass)) dprintf_win( stddeb, "'%s' ", cs->lpszClass );
475 else dprintf_win( stddeb, "#%04x ", LOWORD(cs->lpszClass) );
476
477 dprintf_win( stddeb, "%08lx %08lx %d,%d %dx%d %04x %04x %04x %p\n",
478 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
479 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams);
480
481 /* Find the parent window */
482
483 if (cs->hwndParent)
484 {
485 /* Make sure parent is valid */
486 if (!IsWindow( cs->hwndParent ))
487 {
488 fprintf( stderr, "CreateWindowEx: bad parent %04x\n", cs->hwndParent );
489 return 0;
490 }
491 }
492 else if (cs->style & WS_CHILD)
493 {
494 fprintf( stderr, "CreateWindowEx: no parent for child window\n" );
495 return 0; /* WS_CHILD needs a parent */
496 }
497
498 /* Find the window class */
499
500 if (!(classPtr = CLASS_FindClassByAtom( classAtom,
501 GetExePtr(cs->hInstance) )))
502 {
503 char buffer[256];
504 GlobalGetAtomName32A( classAtom, buffer, sizeof(buffer) );
505 fprintf( stderr, "CreateWindowEx: bad class '%s'\n", buffer );
506 return 0;
507 }
508
509 /* Fix the coordinates */
510
511 if (cs->x == CW_USEDEFAULT32) cs->x = cs->y = 0;
512 if (cs->cx == CW_USEDEFAULT32)
513 {
514 /* if (!(cs->style & (WS_CHILD | WS_POPUP))) cs->cx = cs->cy = 0;
515 else */
516 {
517 cs->cx = 600;
518 cs->cy = 400;
519 }
520 }
521
522 /* Create the window structure */
523
524 if (!(hwnd = USER_HEAP_ALLOC( sizeof(*wndPtr) + classPtr->cbWndExtra
525 - sizeof(wndPtr->wExtra) )))
526 {
527 dprintf_win( stddeb, "CreateWindowEx: out of memory\n" );
528 return 0;
529 }
530
531 /* Fill the window structure */
532
533 wndPtr = (WND *) USER_HEAP_LIN_ADDR( hwnd );
534 wndPtr->next = NULL;
535 wndPtr->child = NULL;
536
537 if (cs->style & WS_CHILD)
538 {
539 wndPtr->parent = WIN_FindWndPtr( cs->hwndParent );
540 wndPtr->owner = NULL;
541 }
542 else
543 {
544 wndPtr->parent = pWndDesktop;
545 if (!cs->hwndParent || (cs->hwndParent == pWndDesktop->hwndSelf))
546 wndPtr->owner = NULL;
547 else
548 wndPtr->owner = WIN_FindWndPtr(WIN_GetTopParent(cs->hwndParent));
549 }
550
551 wndPtr->window = 0;
552 wndPtr->class = classPtr;
553 wndPtr->winproc = NULL;
554 wndPtr->dwMagic = WND_MAGIC;
555 wndPtr->hwndSelf = hwnd;
556 wndPtr->hInstance = cs->hInstance;
557 wndPtr->ptIconPos.x = -1;
558 wndPtr->ptIconPos.y = -1;
559 wndPtr->ptMaxPos.x = -1;
560 wndPtr->ptMaxPos.y = -1;
561 wndPtr->text = NULL;
562 wndPtr->hmemTaskQ = GetTaskQueue(0);
563 wndPtr->hrgnUpdate = 0;
564 wndPtr->hwndLastActive = hwnd;
565 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
566 wndPtr->dwExStyle = cs->dwExStyle;
567 wndPtr->wIDmenu = 0;
568 wndPtr->flags = 0;
569 wndPtr->pVScroll = NULL;
570 wndPtr->pHScroll = NULL;
571 wndPtr->pProp = NULL;
572 wndPtr->hSysMenu = MENU_GetDefSysMenu();
573 wndPtr->userdata = 0;
574
575 if (classPtr->cbWndExtra) memset( wndPtr->wExtra, 0, classPtr->cbWndExtra);
576
577 /* Call the WH_CBT hook */
578
579 hwndLinkAfter = (cs->style & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
580
581 if (HOOK_IsHooked( WH_CBT ))
582 {
583 CBT_CREATEWND32A cbtc;
584
585 cbtc.lpcs = cs;
586 cbtc.hwndInsertAfter = hwndLinkAfter;
587 wmcreate = !HOOK_CallHooks32A( WH_CBT, HCBT_CREATEWND, hwnd,
588 (LPARAM)&cbtc );
589 if (!wmcreate)
590 {
591 dprintf_win(stddeb, "CreateWindowEx: CBT-hook returned 0\n");
592 USER_HEAP_FREE( hwnd );
593 return 0;
594 }
595 }
596
597 /* Set the window procedure */
598
599 classPtr->cWindows++;
600 WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)classPtr->winproc, 0 );
601
602 /* Correct the window style */
603
604 if (!(cs->style & (WS_POPUP | WS_CHILD))) /* Overlapped window */
605 {
606 wndPtr->dwStyle |= WS_CAPTION | WS_CLIPSIBLINGS;
607 wndPtr->flags |= WIN_NEED_SIZE;
608 }
609 if (cs->dwExStyle & WS_EX_DLGMODALFRAME) wndPtr->dwStyle &= ~WS_THICKFRAME;
610
611 /* Get class or window DC if needed */
612
613 if (classPtr->style & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
614 else if (classPtr->style & CS_CLASSDC) wndPtr->dce = classPtr->dce;
615 else wndPtr->dce = NULL;
616
617 /* Insert the window in the linked list */
618
619 WIN_LinkWindow( hwnd, hwndLinkAfter );
620
621 /* Send the WM_GETMINMAXINFO message and fix the size if needed */
622
623 if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD)))
624 {
625 NC_GetMinMaxInfo( wndPtr, &maxSize, &maxPos, &minTrack, &maxTrack );
626 if (maxSize.x < cs->cx) cs->cx = maxSize.x;
627 if (maxSize.y < cs->cy) cs->cy = maxSize.y;
628 if (cs->cx < minTrack.x ) cs->cx = minTrack.x;
629 if (cs->cy < minTrack.y ) cs->cy = minTrack.y;
630 }
631 if (cs->cx <= 0) cs->cx = 1;
632 if (cs->cy <= 0) cs->cy = 1;
633
634 wndPtr->rectWindow.left = cs->x;
635 wndPtr->rectWindow.top = cs->y;
636 wndPtr->rectWindow.right = cs->x + cs->cx;
637 wndPtr->rectWindow.bottom = cs->y + cs->cy;
638 wndPtr->rectClient = wndPtr->rectWindow;
639 wndPtr->rectNormal = wndPtr->rectWindow;
640
641 /* Create the X window (only for top-level windows, and then only */
642 /* when there's no desktop window) */
643
644 if (!(cs->style & WS_CHILD) && (rootWindow == DefaultRootWindow(display)))
645 {
646 XSetWindowAttributes win_attr;
647
648 if (Options.managed && ((cs->style & (WS_DLGFRAME | WS_THICKFRAME)) ||
649 (cs->dwExStyle & WS_EX_DLGMODALFRAME)))
650 {
651 win_attr.event_mask = ExposureMask | KeyPressMask |
652 KeyReleaseMask | PointerMotionMask |
653 ButtonPressMask | ButtonReleaseMask |
654 FocusChangeMask | StructureNotifyMask;
655 win_attr.override_redirect = FALSE;
656 wndPtr->flags |= WIN_MANAGED;
657 }
658 else
659 {
660 win_attr.event_mask = ExposureMask | KeyPressMask |
661 KeyReleaseMask | PointerMotionMask |
662 ButtonPressMask | ButtonReleaseMask |
663 FocusChangeMask | StructureNotifyMask;
664 win_attr.override_redirect = TRUE;
665 }
666 win_attr.colormap = COLOR_GetColormap();
667 win_attr.backing_store = Options.backingstore ? WhenMapped : NotUseful;
668 win_attr.save_under = ((classPtr->style & CS_SAVEBITS) != 0);
669 win_attr.cursor = CURSORICON_XCursor;
670 wndPtr->window = XCreateWindow( display, rootWindow, cs->x, cs->y,
671 cs->cx, cs->cy, 0, CopyFromParent,
672 InputOutput, CopyFromParent,
673 CWEventMask | CWOverrideRedirect |
674 CWColormap | CWCursor | CWSaveUnder |
675 CWBackingStore, &win_attr );
676
677 if ((wndPtr->flags & WIN_MANAGED) &&
678 (cs->dwExStyle & WS_EX_DLGMODALFRAME))
679 {
680 XSizeHints* size_hints = XAllocSizeHints();
681
682 if (size_hints)
683 {
684 size_hints->min_width = size_hints->max_width = cs->cx;
685 size_hints->min_height = size_hints->max_height = cs->cy;
686 size_hints->flags = (PSize | PMinSize | PMaxSize);
687 XSetWMSizeHints( display, wndPtr->window, size_hints,
688 XA_WM_NORMAL_HINTS );
689 XFree(size_hints);
690 }
691 }
692
693 if (cs->hwndParent) /* Get window owner */
694 {
695 Window win = WIN_GetXWindow( cs->hwndParent );
696 if (win) XSetTransientForHint( display, wndPtr->window, win );
697 }
698 EVENT_RegisterWindow( wndPtr );
699 }
700
701 /* Set the window menu */
702
703 if ((cs->style & WS_CAPTION) && !(cs->style & WS_CHILD))
704 {
705 if (cs->hMenu) SetMenu(hwnd, cs->hMenu);
706 else
707 {
708 #if 0 /* FIXME: should check if classPtr->menuNameW can be used as is */
709 if (classPtr->menuNameA)
710 cs->hMenu = HIWORD(classPtr->menuNameA) ?
711 LoadMenu(cs->hInstance,SEGPTR_GET(classPtr->menuNameA)):
712 LoadMenu(cs->hInstance,(SEGPTR)classPtr->menuNameA);
713 #else
714 SEGPTR menuName = (SEGPTR)GetClassLong16( hwnd, GCL_MENUNAME );
715 if (menuName) cs->hMenu = LoadMenu16( cs->hInstance, menuName );
716 #endif
717 }
718 if (cs->hMenu) SetMenu( hwnd, cs->hMenu );
719 }
720 else wndPtr->wIDmenu = (UINT)cs->hMenu;
721
722 /* Send the WM_CREATE message
723 * Perhaps we shouldn't allow width/height changes as well.
724 * See p327 in "Internals".
725 */
726
727 maxPos.x = wndPtr->rectWindow.left; maxPos.y = wndPtr->rectWindow.top;
728 if (unicode)
729 {
730 if (!SendMessage32W( hwnd, WM_NCCREATE, 0, (LPARAM)cs)) wmcreate = -1;
731 else
732 {
733 WINPOS_SendNCCalcSize( hwnd, FALSE, &wndPtr->rectWindow,
734 NULL, NULL, 0, &wndPtr->rectClient );
735 OffsetRect16(&wndPtr->rectWindow, maxPos.x - wndPtr->rectWindow.left,
736 maxPos.y - wndPtr->rectWindow.top);
737 wmcreate = SendMessage32W( hwnd, WM_CREATE, 0, (LPARAM)cs );
738 }
739 }
740 else
741 {
742 if (!SendMessage32A( hwnd, WM_NCCREATE, 0, (LPARAM)cs)) wmcreate = -1;
743 else
744 {
745 WINPOS_SendNCCalcSize( hwnd, FALSE, &wndPtr->rectWindow,
746 NULL, NULL, 0, &wndPtr->rectClient );
747 OffsetRect16(&wndPtr->rectWindow, maxPos.x - wndPtr->rectWindow.left,
748 maxPos.y - wndPtr->rectWindow.top);
749 wmcreate = SendMessage32A( hwnd, WM_CREATE, 0, (LPARAM)cs );
750 }
751 }
752
753 if (wmcreate == -1)
754 {
755 /* Abort window creation */
756 dprintf_win(stddeb,"CreateWindowEx: wmcreate==-1, aborting\n");
757 WIN_UnlinkWindow( hwnd );
758 WIN_DestroyWindow( wndPtr );
759 return 0;
760 }
761
762 /* Send the size messages */
763
764 if (!(wndPtr->flags & WIN_NEED_SIZE))
765 {
766 /* send it anyway */
767 SendMessage16( hwnd, WM_SIZE, SIZE_RESTORED,
768 MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
769 wndPtr->rectClient.bottom-wndPtr->rectClient.top));
770 SendMessage16( hwnd, WM_MOVE, 0, MAKELONG( wndPtr->rectClient.left,
771 wndPtr->rectClient.top ));
772 }
773
774 WIN_SendParentNotify( hwnd, WM_CREATE, wndPtr->wIDmenu, (LPARAM)hwnd );
775 if (!IsWindow(hwnd)) return 0;
776
777 /* Show the window, maximizing or minimizing if needed */
778
779 if (wndPtr->dwStyle & WS_MINIMIZE)
780 {
781 /* MinMaximize(hwnd, SW_SHOWMINNOACTIVE, 1) in "Internals" */
782
783 wndPtr->dwStyle &= ~WS_MAXIMIZE;
784 WINPOS_FindIconPos( hwnd );
785 SetWindowPos( hwnd, 0, wndPtr->ptIconPos.x, wndPtr->ptIconPos.y,
786 SYSMETRICS_CXICON, SYSMETRICS_CYICON,
787 SWP_FRAMECHANGED | ((GetActiveWindow())? SWP_NOACTIVATE : 0) );
788 }
789 else if (wndPtr->dwStyle & WS_MAXIMIZE)
790 {
791 /* MinMaximize(hwnd, SW_SHOWMAXIMIZED, 1) */
792
793 NC_GetMinMaxInfo( wndPtr, &maxSize, &maxPos, &minTrack, &maxTrack );
794 SetWindowPos( hwnd, 0, maxPos.x, maxPos.y, maxSize.x, maxSize.y,
795 ((GetActiveWindow())? SWP_NOACTIVATE : 0) | SWP_FRAMECHANGED );
796 }
797
798 if (cs->style & WS_VISIBLE) ShowWindow( hwnd, SW_SHOW );
799
800 /* Call WH_SHELL hook */
801
802 if (!(wndPtr->dwStyle & WS_CHILD) && !wndPtr->owner)
803 HOOK_CallHooks16( WH_SHELL, HSHELL_WINDOWCREATED, hwnd, 0 );
804
805 dprintf_win(stddeb, "CreateWindowEx: returning %04x\n", hwnd);
806 return hwnd;
807 }
808
809
810 /***********************************************************************
811 * CreateWindow16 (USER.41)
812 */
813 HWND16 CreateWindow16( LPCSTR className, LPCSTR windowName,
814 DWORD style, INT16 x, INT16 y, INT16 width,
815 INT16 height, HWND16 parent, HMENU16 menu,
816 HINSTANCE16 instance, LPVOID data )
817 {
818 return CreateWindowEx16( 0, className, windowName, style,
819 x, y, width, height, parent, menu, instance, data );
820 }
821
822
823 /***********************************************************************
824 * CreateWindowEx16 (USER.452)
825 */
826 HWND16 CreateWindowEx16( DWORD exStyle, LPCSTR className, LPCSTR windowName,
827 DWORD style, INT16 x, INT16 y, INT16 width,
828 INT16 height, HWND16 parent, HMENU16 menu,
829 HINSTANCE16 instance, LPVOID data )
830 {
831 ATOM classAtom;
832 CREATESTRUCT32A cs;
833
834 /* Find the class atom */
835
836 if (!(classAtom = GlobalFindAtom32A( className )))
837 {
838 fprintf( stderr, "CreateWindowEx16: bad class name " );
839 if (!HIWORD(className)) fprintf( stderr, "%04x\n", LOWORD(className) );
840 else fprintf( stderr, "'%s'\n", className );
841 return 0;
842 }
843
844 /* Fix the coordinates */
845
846 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)x;
847 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)y;
848 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)width;
849 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)height;
850
851 /* Create the window */
852
853 cs.lpCreateParams = data;
854 cs.hInstance = (HINSTANCE32)instance;
855 cs.hMenu = (HMENU32)menu;
856 cs.hwndParent = (HWND32)parent;
857 cs.style = style;
858 cs.lpszName = windowName;
859 cs.lpszClass = className;
860 cs.dwExStyle = exStyle;
861 return WIN_CreateWindowEx( &cs, classAtom, FALSE );
862 }
863
864
865 /***********************************************************************
866 * CreateWindowEx32A (USER32.82)
867 */
868 HWND32 CreateWindowEx32A( DWORD exStyle, LPCSTR className, LPCSTR windowName,
869 DWORD style, INT32 x, INT32 y, INT32 width,
870 INT32 height, HWND32 parent, HMENU32 menu,
871 HINSTANCE32 instance, LPVOID data )
872 {
873 ATOM classAtom;
874 CREATESTRUCT32A cs;
875
876 /* Find the class atom */
877
878 if (!(classAtom = GlobalFindAtom32A( className )))
879 {
880 fprintf( stderr, "CreateWindowEx32A: bad class name " );
881 if (!HIWORD(className)) fprintf( stderr, "%04x\n", LOWORD(className) );
882 else fprintf( stderr, "'%s'\n", className );
883 return 0;
884 }
885
886 /* Create the window */
887
888 cs.lpCreateParams = data;
889 cs.hInstance = instance;
890 cs.hMenu = menu;
891 cs.hwndParent = parent;
892 cs.x = x;
893 cs.y = y;
894 cs.cx = width;
895 cs.cy = height;
896 cs.style = style;
897 cs.lpszName = windowName;
898 cs.lpszClass = className;
899 cs.dwExStyle = exStyle;
900 return WIN_CreateWindowEx( &cs, classAtom, FALSE );
901 }
902
903
904 /***********************************************************************
905 * CreateWindowEx32W (USER32.83)
906 */
907 HWND32 CreateWindowEx32W( DWORD exStyle, LPCWSTR className, LPCWSTR windowName,
908 DWORD style, INT32 x, INT32 y, INT32 width,
909 INT32 height, HWND32 parent, HMENU32 menu,
910 HINSTANCE32 instance, LPVOID data )
911 {
912 ATOM classAtom;
913 CREATESTRUCT32W cs;
914
915 /* Find the class atom */
916
917 if (!(classAtom = GlobalFindAtom32W( className )))
918 {
919 if (HIWORD(className))
920 {
921 LPSTR cn = HEAP_strdupWtoA( GetProcessHeap(), 0, className );
922 fprintf( stderr, "CreateWindowEx32W: bad class name '%s'\n",cn);
923 HeapFree( GetProcessHeap(), 0, cn );
924 }
925 else
926 fprintf( stderr, "CreateWindowEx32W: bad class name %p\n", className );
927 return 0;
928 }
929
930 /* Create the window */
931
932 cs.lpCreateParams = data;
933 cs.hInstance = instance;
934 cs.hMenu = menu;
935 cs.hwndParent = parent;
936 cs.x = x;
937 cs.y = y;
938 cs.cx = width;
939 cs.cy = height;
940 cs.style = style;
941 cs.lpszName = windowName;
942 cs.lpszClass = className;
943 cs.dwExStyle = exStyle;
944 /* Note: we rely on the fact that CREATESTRUCT32A and */
945 /* CREATESTRUCT32W have the same layout. */
946 return WIN_CreateWindowEx( (CREATESTRUCT32A *)&cs, classAtom, TRUE );
947 }
948
949
950 /***********************************************************************
951 * WIN_CheckFocus
952 */
953 static void WIN_CheckFocus( WND* pWnd )
954 {
955 if( GetFocus16() == pWnd->hwndSelf )
956 SetFocus16( (pWnd->dwStyle & WS_CHILD) ? pWnd->parent->hwndSelf : 0 );
957 }
958
959 /***********************************************************************
960 * WIN_SendDestroyMsg
961 */
962 static void WIN_SendDestroyMsg( WND* pWnd )
963 {
964 WND* pChild;
965
966 WIN_CheckFocus(pWnd);
967
968 if( CARET_GetHwnd() == pWnd->hwndSelf ) DestroyCaret();
969 if( !pWnd->window ) CLIPBOARD_DisOwn( pWnd );
970
971 SendMessage32A( pWnd->hwndSelf, WM_DESTROY, 0, 0);
972
973 if( !IsWindow(pWnd->hwndSelf) )
974 {
975 dprintf_win(stddeb,"\tdestroyed itself while in WM_DESTROY!\n");
976 return;
977 }
978
979 pChild = pWnd->child;
980 while( pChild )
981 {
982 WIN_SendDestroyMsg( pChild );
983 pChild = pChild->next;
984 }
985 WIN_CheckFocus(pWnd);
986 }
987
988
989 /***********************************************************************
990 * DestroyWindow (USER.53)
991 */
992 BOOL DestroyWindow( HWND hwnd )
993 {
994 WND * wndPtr;
995
996 dprintf_win(stddeb, "DestroyWindow(%04x)\n", hwnd);
997
998 /* Initialization */
999
1000 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
1001 if (wndPtr == pWndDesktop) return FALSE; /* Can't destroy desktop */
1002
1003 /* Call hooks */
1004
1005 if( HOOK_CallHooks16( WH_CBT, HCBT_DESTROYWND, hwnd, 0L) )
1006 return FALSE;
1007
1008 if (!(wndPtr->dwStyle & WS_CHILD) && !wndPtr->owner)
1009 {
1010 HOOK_CallHooks16( WH_SHELL, HSHELL_WINDOWDESTROYED, hwnd, 0L );
1011 /* FIXME: clean up palette - see "Internals" p.352 */
1012 }
1013
1014 if( !QUEUE_IsDoomedQueue(wndPtr->hmemTaskQ) )
1015 WIN_SendParentNotify( hwnd, WM_DESTROY, wndPtr->wIDmenu, (LPARAM)hwnd );
1016 if( !IsWindow(hwnd) ) return TRUE;
1017
1018 if( wndPtr->window ) CLIPBOARD_DisOwn( wndPtr ); /* before window is unmapped */
1019
1020 /* Hide the window */
1021
1022 if (wndPtr->dwStyle & WS_VISIBLE)
1023 {
1024 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_HIDEWINDOW |
1025 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE |
1026 ((QUEUE_IsDoomedQueue(wndPtr->hmemTaskQ))?SWP_DEFERERASE:0) );
1027 if( !IsWindow(hwnd) ) return TRUE;
1028 }
1029
1030 /* Recursively destroy owned windows */
1031
1032 if( !(wndPtr->dwStyle & WS_CHILD) )
1033 {
1034 for (;;)
1035 {
1036 WND *siblingPtr = wndPtr->parent->child; /* First sibling */
1037 while (siblingPtr)
1038 {
1039 if (siblingPtr->owner == wndPtr)
1040 if (siblingPtr->hmemTaskQ == wndPtr->hmemTaskQ)
1041 break;
1042 else
1043 siblingPtr->owner = NULL;
1044 siblingPtr = siblingPtr->next;
1045 }
1046 if (siblingPtr) DestroyWindow( siblingPtr->hwndSelf );
1047 else break;
1048 }
1049
1050 WINPOS_ActivateOtherWindow(wndPtr);
1051
1052 if( wndPtr->owner &&
1053 wndPtr->owner->hwndLastActive == wndPtr->hwndSelf )
1054 wndPtr->owner->hwndLastActive = wndPtr->owner->hwndSelf;
1055 }
1056
1057 /* Send destroy messages */
1058
1059 WIN_SendDestroyMsg( wndPtr );
1060 if( !IsWindow(hwnd) ) return TRUE;
1061
1062 /* Unlink now so we won't bother with the children later on */
1063
1064 if( wndPtr->parent ) WIN_UnlinkWindow(hwnd);
1065
1066 /* Destroy the window storage */
1067
1068 WIN_DestroyWindow( wndPtr );
1069 return TRUE;
1070 }
1071
1072
1073 /***********************************************************************
1074 * CloseWindow (USER.43)
1075 */
1076 BOOL CloseWindow(HWND hWnd)
1077 {
1078 WND * wndPtr = WIN_FindWndPtr(hWnd);
1079 if (!wndPtr || (wndPtr->dwStyle & WS_CHILD)) return TRUE;
1080 ShowWindow(hWnd, SW_MINIMIZE);
1081 return TRUE;
1082 }
1083
1084
1085 /***********************************************************************
1086 * OpenIcon (USER.44)
1087 */
1088 BOOL OpenIcon(HWND hWnd)
1089 {
1090 if (!IsIconic(hWnd)) return FALSE;
1091 ShowWindow(hWnd, SW_SHOWNORMAL);
1092 return(TRUE);
1093 }
1094
1095
1096 /***********************************************************************
1097 * WIN_FindWindow
1098 *
1099 * Implementation of FindWindow() and FindWindowEx().
1100 */
1101 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className,
1102 LPCSTR title )
1103 {
1104 WND *pWnd;
1105 CLASS *pClass = NULL;
1106
1107 if (child)
1108 {
1109 if (!(pWnd = WIN_FindWndPtr( child ))) return 0;
1110 if (parent)
1111 {
1112 if (!pWnd->parent || (pWnd->parent->hwndSelf != parent)) return 0;
1113 }
1114 else if (pWnd->parent != pWndDesktop) return 0;
1115 pWnd = pWnd->next;
1116 }
1117 else
1118 {
1119 if (!(pWnd = parent ? WIN_FindWndPtr(parent) : pWndDesktop)) return 0;
1120 pWnd = pWnd->child;
1121 }
1122 if (!pWnd) return 0;
1123
1124 /* For a child window, all siblings will have the same hInstance, */
1125 /* so we can look for the class once and for all. */
1126
1127 if (className && (pWnd->dwStyle & WS_CHILD))
1128 {
1129 if (!(pClass = CLASS_FindClassByAtom( className, pWnd->hInstance )))
1130 return 0;
1131 }
1132
1133 for ( ; pWnd; pWnd = pWnd->next)
1134 {
1135 if (className && !(pWnd->dwStyle & WS_CHILD))
1136 {
1137 if (!(pClass = CLASS_FindClassByAtom( className, pWnd->hInstance)))
1138 continue; /* Skip this window */
1139 }
1140 if (pClass && (pWnd->class != pClass))
1141 continue; /* Not the right class */
1142
1143 /* Now check the title */
1144
1145 if (!title) return pWnd->hwndSelf;
1146 if (pWnd->text && !strcmp( pWnd->text, title )) return pWnd->hwndSelf;
1147 }
1148 return 0;
1149 }
1150
1151
1152
1153 /***********************************************************************
1154 * FindWindow16 (USER.50)
1155 */
1156 HWND16 FindWindow16( SEGPTR className, LPCSTR title )
1157 {
1158 return FindWindowEx16( 0, 0, className, title );
1159 }
1160
1161
1162 /***********************************************************************
1163 * FindWindowEx16 (USER.427)
1164 */
1165 HWND16 FindWindowEx16( HWND16 parent, HWND16 child,
1166 SEGPTR className, LPCSTR title )
1167 {
1168 ATOM atom = 0;
1169
1170 if (className)
1171 {
1172 /* If the atom doesn't exist, then no class */
1173 /* with this name exists either. */
1174 if (!(atom = GlobalFindAtom16( className ))) return 0;
1175 }
1176 return WIN_FindWindow( parent, child, atom, title );
1177 }
1178
1179
1180 /***********************************************************************
1181 * FindWindow32A (USER32.197)
1182 */
1183 HWND32 FindWindow32A( LPCSTR className, LPCSTR title )
1184 {
1185 return FindWindowEx32A( 0, 0, className, title );
1186 }
1187
1188
1189 /***********************************************************************
1190 * FindWindowEx32A (USER32.198)
1191 */
1192 HWND32 FindWindowEx32A( HWND32 parent, HWND32 child,
1193 LPCSTR className, LPCSTR title )
1194 {
1195 ATOM atom = 0;
1196
1197 if (className)
1198 {
1199 /* If the atom doesn't exist, then no class */
1200 /* with this name exists either. */
1201 if (!(atom = GlobalFindAtom32A( className ))) return 0;
1202 }
1203 return WIN_FindWindow( 0, 0, atom, title );
1204 }
1205
1206
1207 /***********************************************************************
1208 * FindWindowEx32W (USER32.199)
1209 */
1210 HWND32 FindWindowEx32W( HWND32 parent, HWND32 child,
1211 LPCWSTR className, LPCWSTR title )
1212 {
1213 ATOM atom = 0;
1214 char *buffer;
1215 HWND hwnd;
1216
1217 if (className)
1218 {
1219 /* If the atom doesn't exist, then no class */
1220 /* with this name exists either. */
1221 if (!(atom = GlobalFindAtom32W( className ))) return 0;
1222 }
1223 buffer = HEAP_strdupWtoA( GetProcessHeap(), 0, title );
1224 hwnd = WIN_FindWindow( 0, 0, atom, buffer );
1225 HeapFree( GetProcessHeap(), 0, buffer );
1226 return hwnd;
1227 }
1228
1229
1230 /***********************************************************************
1231 * FindWindow32W (USER32.200)
1232 */
1233 HWND32 FindWindow32W( LPCWSTR className, LPCWSTR title )
1234 {
1235 return FindWindowEx32W( 0, 0, className, title );
1236 }
1237
1238
1239 /**********************************************************************
1240 * WIN_GetDesktop
1241 */
1242 WND *WIN_GetDesktop(void)
1243 {
1244 return pWndDesktop;
1245 }
1246
1247
1248 /**********************************************************************
1249 * GetDesktopWindow16 (USER.286)
1250 */
1251 HWND16 GetDesktopWindow16(void)
1252 {
1253 return (HWND16)pWndDesktop->hwndSelf;
1254 }
1255
1256
1257 /**********************************************************************
1258 * GetDesktopWindow32 (USER32.231)
1259 */
1260 HWND32 GetDesktopWindow32(void)
1261 {
1262 return pWndDesktop->hwndSelf;
1263 }
1264
1265
1266 /**********************************************************************
1267 * GetDesktopHwnd (USER.278)
1268 *
1269 * Exactly the same thing as GetDesktopWindow(), but not documented.
1270 * Don't ask me why...
1271 */
1272 HWND16 GetDesktopHwnd(void)
1273 {
1274 return (HWND16)pWndDesktop->hwndSelf;
1275 }
1276
1277
1278 /*******************************************************************
1279 * EnableWindow (USER.34)
1280 */
1281 BOOL EnableWindow( HWND hwnd, BOOL enable )
1282 {
1283 WND *wndPtr;
1284
1285 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
1286 if (enable && (wndPtr->dwStyle & WS_DISABLED))
1287 {
1288 /* Enable window */
1289 wndPtr->dwStyle &= ~WS_DISABLED;
1290 SendMessage16( hwnd, WM_ENABLE, TRUE, 0 );
1291 return TRUE;
1292 }
1293 else if (!enable && !(wndPtr->dwStyle & WS_DISABLED))
1294 {
1295 /* Disable window */
1296 wndPtr->dwStyle |= WS_DISABLED;
1297 if ((hwnd == GetFocus32()) || IsChild( hwnd, GetFocus32() ))
1298 SetFocus32( 0 ); /* A disabled window can't have the focus */
1299 if ((hwnd == GetCapture32()) || IsChild( hwnd, GetCapture32() ))
1300 ReleaseCapture(); /* A disabled window can't capture the mouse */
1301 SendMessage16( hwnd, WM_ENABLE, FALSE, 0 );
1302 return FALSE;
1303 }
1304 return ((wndPtr->dwStyle & WS_DISABLED) != 0);
1305 }
1306
1307
1308 /***********************************************************************
1309 * IsWindowEnabled (USER.35) (USER32.348)
1310 */
1311 BOOL IsWindowEnabled(HWND hWnd)
1312 {
1313 WND * wndPtr;
1314
1315 if (!(wndPtr = WIN_FindWndPtr(hWnd))) return FALSE;
1316 return !(wndPtr->dwStyle & WS_DISABLED);
1317 }
1318
1319
1320 /***********************************************************************
1321 * IsWindowUnicode (USER32.349)
1322 */
1323 BOOL32 IsWindowUnicode( HWND32 hwnd )
1324 {
1325 WND * wndPtr;
1326
1327 if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE;
1328 return (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
1329 }
1330
1331
1332 /**********************************************************************
1333 * GetWindowWord (USER.133) (USER32.313)
1334 */
1335 WORD GetWindowWord( HWND32 hwnd, INT32 offset )
1336 {
1337 WND * wndPtr = WIN_FindWndPtr( hwnd );
1338 if (!wndPtr) return 0;
1339 if (offset >= 0)
1340 {
1341 if (offset + sizeof(WORD) > wndPtr->class->cbWndExtra)
1342 {
1343 fprintf( stderr, "SetWindowWord: invalid offset %d\n", offset );
1344 return 0;
1345 }
1346 return *(WORD *)(((char *)wndPtr->wExtra) + offset);
1347 }
1348 switch(offset)
1349 {
1350 case GWW_ID: return wndPtr->wIDmenu;
1351 case GWW_HWNDPARENT: return wndPtr->parent ? wndPtr->parent->hwndSelf : 0;
1352 case GWW_HINSTANCE: return (WORD)wndPtr->hInstance;
1353 default:
1354 fprintf( stderr, "GetWindowWord: invalid offset %d\n", offset );
1355 return 0;
1356 }
1357 }
1358
1359
1360 /**********************************************************************
1361 * WIN_GetWindowInstance
1362 */
1363 HINSTANCE16 WIN_GetWindowInstance( HWND32 hwnd )
1364 {
1365 WND * wndPtr = WIN_FindWndPtr( hwnd );
1366 if (!wndPtr) return (HINSTANCE16)0;
1367 return wndPtr->hInstance;
1368 }
1369
1370
1371 /**********************************************************************
1372 * SetWindowWord (USER.134) (USER32.523)
1373 */
1374 WORD SetWindowWord( HWND32 hwnd, INT32 offset, WORD newval )
1375 {
1376 WORD *ptr, retval;
1377 WND * wndPtr = WIN_FindWndPtr( hwnd );
1378 if (!wndPtr) return 0;
1379 if (offset >= 0)
1380 {
1381 if (offset + sizeof(WORD) > wndPtr->class->cbWndExtra)
1382 {
1383 fprintf( stderr, "SetWindowWord: invalid offset %d\n", offset );
1384 return 0;
1385 }
1386 ptr = (WORD *)(((char *)wndPtr->wExtra) + offset);
1387 }
1388 else switch(offset)
1389 {
1390 case GWW_ID: ptr = (WORD *)&wndPtr->wIDmenu; break;
1391 case GWW_HINSTANCE: ptr = (WORD *)&wndPtr->hInstance; break;
1392 case GWW_HWNDPARENT: return SetParent( hwnd, newval );
1393 default:
1394 fprintf( stderr, "SetWindowWord: invalid offset %d\n", offset );
1395 return 0;
1396 }
1397 retval = *ptr;
1398 *ptr = newval;
1399 return retval;
1400 }
1401
1402
1403 /**********************************************************************
1404 * WIN_GetWindowLong
1405 *
1406 * Helper function for GetWindowLong().
1407 */
1408 static LONG WIN_GetWindowLong( HWND32 hwnd, INT32 offset, WINDOWPROCTYPE type )
1409 {
1410 LONG retval;
1411 WND * wndPtr = WIN_FindWndPtr( hwnd );
1412 if (!wndPtr) return 0;
1413 if (offset >= 0)
1414 {
1415 if (offset + sizeof(LONG) > wndPtr->class->cbWndExtra)
1416 {
1417 fprintf( stderr, "GetWindowLong: invalid offset %d\n", offset );
1418 return 0;
1419 }
1420 retval = *(LONG *)(((char *)wndPtr->wExtra) + offset);
1421 /* Special case for dialog window procedure */
1422 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1423 return (LONG)WINPROC_GetProc( (HWINDOWPROC)retval, type );
1424 return retval;
1425 }
1426 switch(offset)
1427 {
1428 case GWL_USERDATA: return wndPtr->userdata;
1429 case GWL_STYLE: return wndPtr->dwStyle;
1430 case GWL_EXSTYLE: return wndPtr->dwExStyle;
1431 case GWL_ID: return wndPtr->wIDmenu;
1432 case GWL_WNDPROC: return (LONG)WINPROC_GetProc( wndPtr->winproc,
1433 type );
1434 case GWL_HWNDPARENT: return wndPtr->parent ?
1435 (HWND32)wndPtr->parent->hwndSelf : 0;
1436 case GWL_HINSTANCE: return (HINSTANCE32)wndPtr->hInstance;
1437 default:
1438 fprintf( stderr, "GetWindowLong: unknown offset %d\n", offset );
1439 }
1440 return 0;
1441 }
1442
1443
1444 /**********************************************************************
1445 * WIN_SetWindowLong
1446 *
1447 * Helper function for SetWindowLong().
1448 */
1449 static LONG WIN_SetWindowLong( HWND32 hwnd, INT32 offset, LONG newval,
1450 WINDOWPROCTYPE type )
1451 {
1452 LONG *ptr, retval;
1453 WND * wndPtr = WIN_FindWndPtr( hwnd );
1454 if (!wndPtr) return 0;
1455 if (offset >= 0)
1456 {
1457 if (offset + sizeof(LONG) > wndPtr->class->cbWndExtra)
1458 {
1459 fprintf( stderr, "SetWindowLong: invalid offset %d\n", offset );
1460 return 0;
1461 }
1462 ptr = (LONG *)(((char *)wndPtr->wExtra) + offset);
1463 /* Special case for dialog window procedure */
1464 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1465 {
1466 retval = (LONG)WINPROC_GetProc( (HWINDOWPROC)*ptr, type );
1467 WINPROC_SetProc( (HWINDOWPROC *)ptr, (WNDPROC16)newval, type );
1468 return retval;
1469 }
1470 }
1471 else switch(offset)
1472 {
1473 case GWL_ID:
1474 case GWL_HINSTANCE:
1475 return SetWindowWord( hwnd, offset, (WORD)newval );
1476 case GWL_WNDPROC:
1477 retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type );
1478 WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)newval, type );
1479 return retval;
1480 case GWL_STYLE:
1481 ptr = &wndPtr->dwStyle;
1482 /* Some bits can't be changed this way */
1483 newval &= ~(WS_VISIBLE | WS_CHILD);
1484 newval |= (*ptr & (WS_VISIBLE | WS_CHILD));
1485 break;
1486 case GWL_USERDATA: ptr = &wndPtr->userdata; break;
1487 case GWL_EXSTYLE: ptr = &wndPtr->dwExStyle; break;
1488 default:
1489 fprintf( stderr, "SetWindowLong: invalid offset %d\n", offset );
1490 return 0;
1491 }
1492 retval = *ptr;
1493 *ptr = newval;
1494 return retval;
1495 }
1496
1497
1498 /**********************************************************************
1499 * GetWindowLong16 (USER.135)
1500 */
1501 LONG GetWindowLong16( HWND16 hwnd, INT16 offset )
1502 {
1503 return WIN_GetWindowLong( (HWND32)hwnd, offset, WIN_PROC_16 );
1504 }
1505
1506
1507 /**********************************************************************
1508 * GetWindowLong32A (USER32.304)
1509 */
1510 LONG GetWindowLong32A( HWND32 hwnd, INT32 offset )
1511 {
1512 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
1513 }
1514
1515
1516 /**********************************************************************
1517 * GetWindowLong32W (USER32.305)
1518 */
1519 LONG GetWindowLong32W( HWND32 hwnd, INT32 offset )
1520 {
1521 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
1522 }
1523
1524
1525 /**********************************************************************
1526 * SetWindowLong16 (USER.136)
1527 */
1528 LONG SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
1529 {
1530 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_16 );
1531 }
1532
1533
1534 /**********************************************************************
1535 * SetWindowLong32A (USER32.516)
1536 */
1537 LONG SetWindowLong32A( HWND32 hwnd, INT32 offset, LONG newval )
1538 {
1539 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
1540 }
1541
1542
1543 /**********************************************************************
1544 * SetWindowLong32W (USER32.517)
1545 */
1546 LONG SetWindowLong32W( HWND32 hwnd, INT32 offset, LONG newval )
1547 {
1548 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
1549 }
1550
1551
1552 /*******************************************************************
1553 * GetWindowText16 (USER.36)
1554 */
1555 INT16 GetWindowText16( HWND16 hwnd, SEGPTR lpString, INT16 nMaxCount )
1556 {
1557 return (INT16)SendMessage16(hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString);
1558 }
1559
1560
1561 /*******************************************************************
1562 * GetWindowText32A (USER32.308)
1563 */
1564 INT32 GetWindowText32A( HWND32 hwnd, LPSTR lpString, INT32 nMaxCount )
1565 {
1566 return (INT32)SendMessage32A( hwnd, WM_GETTEXT, nMaxCount,
1567 (LPARAM)lpString );
1568 }
1569
1570
1571 /*******************************************************************
1572 * GetWindowText32W (USER32.311)
1573 */
1574 INT32 GetWindowText32W( HWND32 hwnd, LPWSTR lpString, INT32 nMaxCount )
1575 {
1576 return (INT32)SendMessage32W( hwnd, WM_GETTEXT, nMaxCount,
1577 (LPARAM)lpString );
1578 }
1579
1580
1581 /*******************************************************************
1582 * SetWindowText16 (USER.37)
1583 */
1584 void SetWindowText16( HWND16 hwnd, SEGPTR lpString )
1585 {
1586 SendMessage16( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
1587 }
1588
1589
1590 /*******************************************************************
1591 * SetWindowText32A (USER32.)
1592 */
1593 void SetWindowText32A( HWND32 hwnd, LPCSTR lpString )
1594 {
1595 SendMessage32A( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
1596 }
1597
1598
1599 /*******************************************************************
1600 * SetWindowText32W (USER32.)
1601 */
1602 void SetWindowText32W( HWND32 hwnd, LPCWSTR lpString )
1603 {
1604 SendMessage32W( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
1605 }
1606
1607
1608 /*******************************************************************
1609 * GetWindowTextLength16 (USER.38)
1610 */
1611 INT16 GetWindowTextLength16( HWND16 hwnd )
1612 {
1613 return (INT16)SendMessage16( hwnd, WM_GETTEXTLENGTH, 0, 0 );
1614 }
1615
1616
1617 /*******************************************************************
1618 * GetWindowTextLength32A (USER32.309)
1619 */
1620 INT32 GetWindowTextLength32A( HWND32 hwnd )
1621 {
1622 return SendMessage32A( hwnd, WM_GETTEXTLENGTH, 0, 0 );
1623 }
1624
1625 /*******************************************************************
1626 * GetWindowTextLength32W (USER32.309)
1627 */
1628 INT32 GetWindowTextLength32W( HWND32 hwnd )
1629 {
1630 return SendMessage32W( hwnd, WM_GETTEXTLENGTH, 0, 0 );
1631 }
1632
1633 /*******************************************************************
1634 * IsWindow (USER.47) (USER32.347)
1635 */
1636 BOOL16 IsWindow( HWND32 hwnd )
1637 {
1638 WND * wndPtr = WIN_FindWndPtr( hwnd );
1639 return ((wndPtr != NULL) && (wndPtr->dwMagic == WND_MAGIC));
1640 }
1641
1642
1643 /*****************************************************************
1644 * GetParent16 (USER.46)
1645 */
1646 HWND16 GetParent16( HWND16 hwnd )
1647 {
1648 return (HWND16)GetParent32( hwnd );
1649 }
1650
1651
1652 /*****************************************************************
1653 * GetParent32 (USER32.277)
1654 */
1655 HWND32 GetParent32( HWND32 hwnd )
1656 {
1657 WND *wndPtr = WIN_FindWndPtr(hwnd);
1658 if (!wndPtr) return 0;
1659 wndPtr = (wndPtr->dwStyle & WS_CHILD) ? wndPtr->parent : wndPtr->owner;
1660 return wndPtr ? wndPtr->hwndSelf : 0;
1661 }
1662
1663
1664 /*****************************************************************
1665 * WIN_GetTopParent
1666 *
1667 * Get the top-level parent for a child window.
1668 */
1669 HWND32 WIN_GetTopParent( HWND32 hwnd )
1670 {
1671 WND *wndPtr = WIN_FindWndPtr( hwnd );
1672 while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) wndPtr = wndPtr->parent;
1673 return wndPtr ? wndPtr->hwndSelf : 0;
1674 }
1675
1676
1677 /*****************************************************************
1678 * SetParent (USER.233)
1679 */
1680 HWND SetParent(HWND hwndChild, HWND hwndNewParent)
1681 {
1682 HWND oldParent;
1683
1684 WND *wndPtr = WIN_FindWndPtr(hwndChild);
1685 WND *pWndParent = WIN_FindWndPtr( hwndNewParent );
1686 if (!wndPtr || !pWndParent || !(wndPtr->dwStyle & WS_CHILD)) return 0;
1687
1688 oldParent = wndPtr->parent->hwndSelf;
1689
1690 WIN_UnlinkWindow(hwndChild);
1691 if (hwndNewParent) wndPtr->parent = pWndParent;
1692 WIN_LinkWindow(hwndChild, HWND_BOTTOM);
1693
1694 if (IsWindowVisible(hwndChild)) UpdateWindow(hwndChild);
1695
1696 return oldParent;
1697 }
1698
1699
1700
1701 /*******************************************************************
1702 * IsChild (USER.48)
1703 */
1704 BOOL IsChild( HWND parent, HWND child )
1705 {
1706 WND * wndPtr = WIN_FindWndPtr( child );
1707 while (wndPtr && (wndPtr->dwStyle & WS_CHILD))
1708 {
1709 wndPtr = wndPtr->parent;
1710 if (wndPtr->hwndSelf == parent) return TRUE;
1711 }
1712 return FALSE;
1713 }
1714
1715
1716 /***********************************************************************
1717 * IsWindowVisible (USER.49) (USER32.350)
1718 */
1719 BOOL IsWindowVisible( HWND hwnd )
1720 {
1721 WND *wndPtr = WIN_FindWndPtr( hwnd );
1722 while (wndPtr && (wndPtr->dwStyle & WS_CHILD))
1723 {
1724 if (!(wndPtr->dwStyle & WS_VISIBLE)) return FALSE;
1725 wndPtr = wndPtr->parent;
1726 }
1727 return (wndPtr && (wndPtr->dwStyle & WS_VISIBLE));
1728 }
1729
1730 /***********************************************************************
1731 * WIN_IsWindowDrawable
1732 *
1733 * hwnd is drawable when it is visible, all parents are not
1734 * minimized, and it is itself not minimized unless we are
1735 * trying to draw icon and the default class icon is set.
1736 */
1737 BOOL32 WIN_IsWindowDrawable( WND* wnd , BOOL32 icon )
1738 {
1739 HWND hwnd= wnd->hwndSelf;
1740 BOOL32 yes = TRUE;
1741
1742 while(wnd && yes)
1743 {
1744 if( wnd->dwStyle & WS_MINIMIZE )
1745 if( wnd->hwndSelf != hwnd ) break;
1746 else if( icon && wnd->class->hIcon ) break;
1747
1748 yes = yes && (wnd->dwStyle & WS_VISIBLE);
1749 wnd = wnd->parent; }
1750 return (!wnd && yes);
1751 }
1752
1753 /*******************************************************************
1754 * GetTopWindow (USER.229)
1755 */
1756 HWND GetTopWindow( HWND hwnd )
1757 {
1758 WND * wndPtr = WIN_FindWndPtr( hwnd );
1759 if (wndPtr && wndPtr->child) return wndPtr->child->hwndSelf;
1760 else return 0;
1761 }
1762
1763
1764 /*******************************************************************
1765 * GetWindow (USER.262)
1766 */
1767 HWND GetWindow( HWND hwnd, WORD rel )
1768 {
1769 WND * wndPtr = WIN_FindWndPtr( hwnd );
1770 if (!wndPtr) return 0;
1771 switch(rel)
1772 {
1773 case GW_HWNDFIRST:
1774 if (wndPtr->parent) return wndPtr->parent->child->hwndSelf;
1775 else return 0;
1776
1777 case GW_HWNDLAST:
1778 if (!wndPtr->parent) return 0; /* Desktop window */
1779 while (wndPtr->next) wndPtr = wndPtr->next;
1780 return wndPtr->hwndSelf;
1781
1782 case GW_HWNDNEXT:
1783 if (!wndPtr->next) return 0;
1784 return wndPtr->next->hwndSelf;
1785
1786 case GW_HWNDPREV:
1787 if (!wndPtr->parent) return 0; /* Desktop window */
1788 wndPtr = wndPtr->parent->child; /* First sibling */
1789 if (wndPtr->hwndSelf == hwnd) return 0; /* First in list */
1790 while (wndPtr->next)
1791 {
1792 if (wndPtr->next->hwndSelf == hwnd) return wndPtr->hwndSelf;
1793 wndPtr = wndPtr->next;
1794 }
1795 return 0;
1796
1797 case GW_OWNER:
1798 return wndPtr->owner ? wndPtr->owner->hwndSelf : 0;
1799
1800 case GW_CHILD:
1801 return wndPtr->child ? wndPtr->child->hwndSelf : 0;
1802 }
1803 return 0;
1804 }
1805
1806
1807 /*******************************************************************
1808 * GetNextWindow (USER.230)
1809 */
1810 HWND GetNextWindow( HWND hwnd, WORD flag )
1811 {
1812 if ((flag != GW_HWNDNEXT) && (flag != GW_HWNDPREV)) return 0;
1813 return GetWindow( hwnd, flag );
1814 }
1815
1816 /*******************************************************************
1817 * ShowOwnedPopups (USER.265)
1818 */
1819 void ShowOwnedPopups( HWND owner, BOOL fShow )
1820 {
1821 WND *pWnd = pWndDesktop->child;
1822 while (pWnd)
1823 {
1824 if (pWnd->owner && (pWnd->owner->hwndSelf == owner) &&
1825 (pWnd->dwStyle & WS_POPUP))
1826 ShowWindow( pWnd->hwndSelf, fShow ? SW_SHOW : SW_HIDE );
1827 pWnd = pWnd->next;
1828 }
1829 }
1830
1831
1832 /*******************************************************************
1833 * GetLastActivePopup (USER.287)
1834 */
1835 HWND GetLastActivePopup(HWND hwnd)
1836 {
1837 WND *wndPtr;
1838 wndPtr = WIN_FindWndPtr(hwnd);
1839 if (wndPtr == NULL) return hwnd;
1840 return wndPtr->hwndLastActive;
1841 }
1842
1843
1844 /*******************************************************************
1845 * WIN_BuildWinArray
1846 *
1847 * Build an array of pointers to all children of a given window.
1848 * The array must be freed with HeapFree(SystemHeap).
1849 */
1850 WND **WIN_BuildWinArray( WND *wndPtr )
1851 {
1852 WND **list, **ppWnd;
1853 WND *pWnd;
1854 INT32 count;
1855
1856 /* First count the windows */
1857
1858 if (!wndPtr) wndPtr = pWndDesktop;
1859 for (pWnd = wndPtr->child, count = 0; pWnd; pWnd = pWnd->next) count++;
1860 count++; /* For the terminating NULL */
1861
1862 /* Now build the list of all windows */
1863
1864 if (!(list = (WND **)HeapAlloc( SystemHeap, 0, sizeof(WND *) * count )))
1865 return NULL;
1866 for (pWnd = wndPtr->child, ppWnd = list; pWnd; pWnd = pWnd->next)
1867 *ppWnd++ = pWnd;
1868 *ppWnd = NULL;
1869 return list;
1870 }
1871
1872
1873 /*******************************************************************
1874 * EnumWindows16 (USER.54)
1875 */
1876 BOOL16 EnumWindows16( WNDENUMPROC16 lpEnumFunc, LPARAM lParam )
1877 {
1878 WND **list, **ppWnd;
1879
1880 /* We have to build a list of all windows first, to avoid */
1881 /* unpleasant side-effects, for instance if the callback */
1882 /* function changes the Z-order of the windows. */
1883
1884 if (!(list = WIN_BuildWinArray( pWndDesktop ))) return FALSE;
1885
1886 /* Now call the callback function for every window */
1887
1888 for (ppWnd = list; *ppWnd; ppWnd++)
1889 {
1890 /* Make sure that the window still exists */
1891 if (!IsWindow((*ppWnd)->hwndSelf)) continue;
1892 if (!lpEnumFunc( (*ppWnd)->hwndSelf, lParam )) break;
1893 }
1894 HeapFree( SystemHeap, 0, list );
1895 return TRUE;
1896 }
1897
1898
1899 /*******************************************************************
1900 * EnumWindows32 (USER32.192)
1901 */
1902 BOOL32 EnumWindows32( WNDENUMPROC32 lpEnumFunc, LPARAM lParam )
1903 {
1904 return (BOOL32)EnumWindows16( (WNDENUMPROC16)lpEnumFunc, lParam );
1905 }
1906
1907
1908 /**********************************************************************
1909 * EnumTaskWindows16 (USER.225)
1910 */
1911 BOOL16 EnumTaskWindows16( HTASK16 hTask, WNDENUMPROC16 func, LPARAM lParam )
1912 {
1913 WND **list, **ppWnd;
1914 HQUEUE16 hQueue = GetTaskQueue( hTask );
1915
1916 /* This function is the same as EnumWindows(), */
1917 /* except for an added check on the window queue. */
1918
1919 if (!(list = WIN_BuildWinArray( pWndDesktop ))) return FALSE;
1920
1921 /* Now call the callback function for every window */
1922
1923 for (ppWnd = list; *ppWnd; ppWnd++)
1924 {
1925 /* Make sure that the window still exists */
1926 if (!IsWindow((*ppWnd)->hwndSelf)) continue;
1927 if ((*ppWnd)->hmemTaskQ != hQueue) continue; /* Check the queue */
1928 if (!func( (*ppWnd)->hwndSelf, lParam )) break;
1929 }
1930 HeapFree( SystemHeap, 0, list );
1931 return TRUE;
1932 }
1933
1934
1935 /**********************************************************************
1936 * EnumThreadWindows (USER32.189)
1937 */
1938 BOOL32 EnumThreadWindows( DWORD id, WNDENUMPROC32 func, LPARAM lParam )
1939 {
1940 return (BOOL16)EnumTaskWindows16((HTASK16)id, (WNDENUMPROC16)func, lParam);
1941 }
1942
1943
1944 /**********************************************************************
1945 * WIN_EnumChildWindows
1946 *
1947 * Helper function for EnumChildWindows().
1948 */
1949 static BOOL16 WIN_EnumChildWindows( WND **ppWnd, WNDENUMPROC16 func,
1950 LPARAM lParam )
1951 {
1952 WND **childList;
1953 BOOL16 ret = FALSE;
1954
1955 while (*ppWnd)
1956 {
1957 /* Make sure that the window still exists */
1958 if (!IsWindow((*ppWnd)->hwndSelf)) continue;
1959 /* Build children list first */
1960 if (!(childList = WIN_BuildWinArray( *ppWnd ))) return FALSE;
1961 if (!func( (*ppWnd)->hwndSelf, lParam )) return FALSE;
1962 ret = WIN_EnumChildWindows( childList, func, lParam );
1963 HeapFree( SystemHeap, 0, childList );
1964 if (!ret) return FALSE;
1965 ppWnd++;
1966 }
1967 return TRUE;
1968 }
1969
1970
1971 /**********************************************************************
1972 * EnumChildWindows16 (USER.55)
1973 */
1974 BOOL16 EnumChildWindows16( HWND16 parent, WNDENUMPROC16 func, LPARAM lParam )
1975 {
1976 WND **list, *pParent;
1977
1978 if (!(pParent = WIN_FindWndPtr( parent ))) return FALSE;
1979 if (!(list = WIN_BuildWinArray( pParent ))) return FALSE;
1980 WIN_EnumChildWindows( list, func, lParam );
1981 HeapFree( SystemHeap, 0, list );
1982 return TRUE;
1983 }
1984
1985
1986 /**********************************************************************
1987 * EnumChildWindows32 (USER32.177)
1988 */
1989 BOOL32 EnumChildWindows32( HWND32 parent, WNDENUMPROC32 func, LPARAM lParam )
1990 {
1991 return (BOOL32)EnumChildWindows16( (HWND16)parent, (WNDENUMPROC16)func,
1992 lParam );
1993 }
1994
1995
1996 /*******************************************************************
1997 * AnyPopup (USER.52)
1998 */
1999 BOOL AnyPopup(void)
2000 {
2001 WND *wndPtr;
2002 for (wndPtr = pWndDesktop->child; wndPtr; wndPtr = wndPtr->next)
2003 if (wndPtr->owner && (wndPtr->dwStyle & WS_VISIBLE)) return TRUE;
2004 return FALSE;
2005 }
2006
2007 /*******************************************************************
2008 * FlashWindow [USER.105]
2009 */
2010 BOOL FlashWindow(HWND hWnd, BOOL bInvert)
2011 {
2012 WND *wndPtr = WIN_FindWndPtr(hWnd);
2013
2014 dprintf_win(stddeb,"FlashWindow: %04x\n", hWnd);
2015
2016 if (!wndPtr) return FALSE;
2017
2018 if (wndPtr->dwStyle & WS_MINIMIZE)
2019 {
2020 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2021 {
2022 HDC32 hDC = GetDC32(hWnd);
2023
2024 if (!SendMessage16( hWnd, WM_ERASEBKGND, (WPARAM16)hDC, 0 ))
2025 wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
2026
2027 ReleaseDC32( hWnd, hDC );
2028 wndPtr->flags |= WIN_NCACTIVATED;
2029 }
2030 else
2031 {
2032 PAINT_RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE |
2033 RDW_UPDATENOW | RDW_FRAME, 0 );
2034 wndPtr->flags &= ~WIN_NCACTIVATED;
2035 }
2036 return TRUE;
2037 }
2038 else
2039 {
2040 WPARAM16 wparam;
2041 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2042 else wparam = (hWnd == GetActiveWindow());
2043
2044 SendMessage16( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2045 return wparam;
2046 }
2047 }
2048
2049
2050 /*******************************************************************
2051 * SetSysModalWindow16 (USER.188)
2052 */
2053 HWND16 SetSysModalWindow16( HWND16 hWnd )
2054 {
2055 HWND hWndOldModal = hwndSysModal;
2056 hwndSysModal = hWnd;
2057 dprintf_win(stdnimp,"EMPTY STUB !! SetSysModalWindow(%04x) !\n", hWnd);
2058 return hWndOldModal;
2059 }
2060
2061
2062 /*******************************************************************
2063 * GetSysModalWindow16 (USER.52)
2064 */
2065 HWND16 GetSysModalWindow16(void)
2066 {
2067 return hwndSysModal;
2068 }
2069
2070
2071 /*******************************************************************
2072 * DRAG_QueryUpdate
2073 *
2074 * recursively find a child that contains spDragInfo->pt point
2075 * and send WM_QUERYDROPOBJECT
2076 */
2077 BOOL16 DRAG_QueryUpdate( HWND hQueryWnd, SEGPTR spDragInfo, BOOL32 bNoSend )
2078 {
2079 BOOL16 wParam,bResult = 0;
2080 POINT16 pt;
2081 LPDRAGINFO ptrDragInfo = (LPDRAGINFO) PTR_SEG_TO_LIN(spDragInfo);
2082 WND *ptrQueryWnd = WIN_FindWndPtr(hQueryWnd),*ptrWnd;
2083 RECT16 tempRect;
2084
2085 if( !ptrQueryWnd || !ptrDragInfo ) return 0;
2086
2087 pt = ptrDragInfo->pt;
2088
2089 GetWindowRect16(hQueryWnd,&tempRect);
2090
2091 if( !PtInRect16(&tempRect,pt) ||
2092 (ptrQueryWnd->dwStyle & WS_DISABLED) )
2093 return 0;
2094
2095 if( !(ptrQueryWnd->dwStyle & WS_MINIMIZE) )
2096 {
2097 tempRect = ptrQueryWnd->rectClient;
2098 if(ptrQueryWnd->dwStyle & WS_CHILD)
2099 MapWindowPoints16(ptrQueryWnd->parent->hwndSelf,0,(LPPOINT16)&tempRect,2);
2100
2101 if( PtInRect16(&tempRect,pt) )
2102 {
2103 wParam = 0;
2104
2105 for (ptrWnd = ptrQueryWnd->child; ptrWnd ;ptrWnd = ptrWnd->next)
2106 if( ptrWnd->dwStyle & WS_VISIBLE )
2107 {
2108 GetWindowRect16(ptrWnd->hwndSelf,&tempRect);
2109
2110 if( PtInRect16(&tempRect,pt) )
2111 break;
2112 }
2113
2114 if(ptrWnd)
2115 {
2116 dprintf_msg(stddeb,"DragQueryUpdate: hwnd = %04x, %d %d - %d %d\n",
2117 ptrWnd->hwndSelf, ptrWnd->rectWindow.left, ptrWnd->rectWindow.top,
2118 ptrWnd->rectWindow.right, ptrWnd->rectWindow.bottom );
2119 if( !(ptrWnd->dwStyle & WS_DISABLED) )
2120 bResult = DRAG_QueryUpdate(ptrWnd->hwndSelf, spDragInfo, bNoSend);
2121 }
2122
2123 if(bResult) return bResult;
2124 }
2125 else wParam = 1;
2126 }
2127 else wParam = 1;
2128
2129 ScreenToClient16(hQueryWnd,&ptrDragInfo->pt);
2130
2131 ptrDragInfo->hScope = hQueryWnd;
2132
2133 bResult = ( bNoSend )
2134 ? ptrQueryWnd->dwExStyle & WS_EX_ACCEPTFILES
2135 : SendMessage16( hQueryWnd ,WM_QUERYDROPOBJECT ,
2136 (WPARAM16)wParam ,(LPARAM) spDragInfo );
2137 if( !bResult )
2138 ptrDragInfo->pt = pt;
2139
2140 return bResult;
2141 }
2142
2143 /*******************************************************************
2144 * DragDetect ( USER.465 )
2145 *
2146 */
2147 BOOL16 DragDetect(HWND16 hWnd, POINT16 pt)
2148 {
2149 MSG16 msg;
2150 RECT16 rect;
2151
2152 rect.left = pt.x - wDragWidth;
2153 rect.right = pt.x + wDragWidth;
2154
2155 rect.top = pt.y - wDragHeight;
2156 rect.bottom = pt.y + wDragHeight;
2157
2158 SetCapture32(hWnd);
2159
2160 while(1)
2161 {
2162 while(PeekMessage16(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE))
2163 {
2164 if( msg.message == WM_LBUTTONUP )
2165 {
2166 ReleaseCapture();
2167 return 0;
2168 }
2169 if( msg.message == WM_MOUSEMOVE )
2170 {
2171 if( !PtInRect16( &rect, MAKEPOINT16(msg.lParam) ) )
2172 {
2173 ReleaseCapture();
2174 return 1;
2175 }
2176 }
2177 }
2178 WaitMessage();
2179 }
2180
2181 return 0;
2182 }
2183
2184 /******************************************************************************
2185 * DragObject ( USER.464 )
2186 *
2187 */
2188 DWORD DragObject(HWND hwndScope, HWND hWnd, WORD wObj, HANDLE16 hOfStruct,
2189 WORD szList , HCURSOR16 hCursor)
2190 {
2191 MSG16 msg;
2192 LPDRAGINFO lpDragInfo;
2193 SEGPTR spDragInfo;
2194 HCURSOR16 hDragCursor=0, hOldCursor=0, hBummer=0;
2195 HGLOBAL16 hDragInfo = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO));
2196 WND *wndPtr = WIN_FindWndPtr(hWnd);
2197 DWORD dwRet = 0;
2198 short dragDone = 0;
2199 HCURSOR16 hCurrentCursor = 0;
2200 HWND hCurrentWnd = 0;
2201 BOOL16 b;
2202
2203 lpDragInfo = (LPDRAGINFO) GlobalLock16(hDragInfo);
2204 spDragInfo = (SEGPTR) WIN16_GlobalLock16(hDragInfo);
2205
2206 if( !lpDragInfo || !spDragInfo ) return 0L;
2207
2208 hBummer = LoadCursor16(0,IDC_BUMMER);
2209
2210 if( !hBummer || !wndPtr )
2211 {
2212 GlobalFree16(hDragInfo);
2213 return 0L;
2214 }
2215
2216 if(hCursor)
2217 {
2218 if( !(hDragCursor = CURSORICON_IconToCursor(hCursor, FALSE)) )
2219 {
2220 GlobalFree16(hDragInfo);
2221 return 0L;
2222 }
2223
2224 if( hDragCursor == hCursor ) hDragCursor = 0;
2225 else hCursor = hDragCursor;
2226
2227 hOldCursor = SetCursor(hDragCursor);
2228 }
2229
2230 lpDragInfo->hWnd = hWnd;
2231 lpDragInfo->hScope = 0;
2232 lpDragInfo->wFlags = wObj;
2233 lpDragInfo->hList = szList; /* near pointer! */
2234 lpDragInfo->hOfStruct = hOfStruct;
2235 lpDragInfo->l = 0L;
2236
2237 SetCapture32(hWnd);
2238 ShowCursor(1);
2239
2240 while( !dragDone )
2241 {
2242 WaitMessage();
2243
2244 if( !PeekMessage16(&msg,0,WM_MOUSEFIRST,WM_MOUSELAST,PM_REMOVE) )
2245 continue;
2246
2247 *(lpDragInfo+1) = *lpDragInfo;
2248
2249 lpDragInfo->pt = msg.pt;
2250
2251 /* update DRAGINFO struct */
2252 dprintf_msg(stddeb,"drag: lpDI->hScope = %04x\n",lpDragInfo->hScope);
2253
2254 if( (b = DRAG_QueryUpdate(hwndScope, spDragInfo, FALSE)) > 0 )
2255 hCurrentCursor = hCursor;
2256 else
2257 {
2258 hCurrentCursor = hBummer;
2259 lpDragInfo->hScope = 0;
2260 }
2261 if( hCurrentCursor )
2262 SetCursor(hCurrentCursor);
2263
2264 dprintf_msg(stddeb,"drag: got %04x\n", b);
2265
2266 /* send WM_DRAGLOOP */
2267 SendMessage16( hWnd, WM_DRAGLOOP, (WPARAM16)(hCurrentCursor != hBummer) ,
2268 (LPARAM) spDragInfo );
2269 /* send WM_DRAGSELECT or WM_DRAGMOVE */
2270 if( hCurrentWnd != lpDragInfo->hScope )
2271 {
2272 if( hCurrentWnd )
2273 SendMessage16( hCurrentWnd, WM_DRAGSELECT, 0,
2274 (LPARAM)MAKELONG(LOWORD(spDragInfo)+sizeof(DRAGINFO),
2275 HIWORD(spDragInfo)) );
2276 hCurrentWnd = lpDragInfo->hScope;
2277 if( hCurrentWnd )
2278 SendMessage16( hCurrentWnd, WM_DRAGSELECT, 1, (LPARAM)spDragInfo);
2279 }
2280 else
2281 if( hCurrentWnd )
2282 SendMessage16( hCurrentWnd, WM_DRAGMOVE, 0, (LPARAM)spDragInfo);
2283
2284
2285 /* check if we're done */
2286 if( msg.message == WM_LBUTTONUP || msg.message == WM_NCLBUTTONUP )
2287 dragDone = TRUE;
2288 }
2289
2290 ReleaseCapture();
2291 ShowCursor(0);
2292
2293 if( hCursor )
2294 {
2295 SetCursor(hOldCursor);
2296 if( hDragCursor )
2297 DestroyCursor(hDragCursor);
2298 }
2299
2300 if( hCurrentCursor != hBummer )
2301 dwRet = SendMessage16( lpDragInfo->hScope, WM_DROPOBJECT,
2302 (WPARAM16)hWnd, (LPARAM)spDragInfo );
2303 GlobalFree16(hDragInfo);
2304
2305 return dwRet;
2306 }
2307
GSOC 2012 project to enhance the control panel