windows/defwnd.c

   1 /*
   2  * Default window procedure
   3  *
   4  * Copyright 1993, 1996 Alexandre Julliard
   5  *           1995 Alex Korobka
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <string.h>
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wingdi.h"
  31 #include "winnls.h"
  32 #include "imm.h"
  33 #include "win.h"
  34 #include "user.h"
  35 #include "controls.h"
  36 #include "nonclient.h"
  37 #include "winpos.h"
  38 #include "dce.h"
  39 #include "message.h"
  40 #include "wine/unicode.h"
  41 #include "wine/winuser16.h"
  42 #include "wine/server.h"
  43 #include "wine/debug.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(win);
  46
  47   /* bits in the dwKeyData */
  48 #define KEYDATA_ALT             0x2000
  49 #define KEYDATA_PREVSTATE       0x4000
  50
  51 static short iF10Key = 0;
  52 static short iMenuSysKey = 0;
  53
  54 /***********************************************************************
  55  *           DEFWND_HandleWindowPosChanged
  56  *
  57  * Handle the WM_WINDOWPOSCHANGED message.
  58  */
  59 static void DEFWND_HandleWindowPosChanged( HWND hwnd, UINT flags )
  60 {
  61     RECT rect;
  62     WND *wndPtr = WIN_GetPtr( hwnd );
  63
  64     rect = wndPtr->rectClient;
  65     WIN_ReleasePtr( wndPtr );
  66
  67     if (!(flags & SWP_NOCLIENTMOVE))
  68         SendMessageW( hwnd, WM_MOVE, 0, MAKELONG(rect.left, rect.top));
  69
  70     if (!(flags & SWP_NOCLIENTSIZE))
  71     {
  72         WPARAM wp = SIZE_RESTORED;
  73         if (IsZoomed(hwnd)) wp = SIZE_MAXIMIZED;
  74         else if (IsIconic(hwnd)) wp = SIZE_MINIMIZED;
  75
  76         SendMessageW( hwnd, WM_SIZE, wp, MAKELONG(rect.right-rect.left, rect.bottom-rect.top) );
  77     }
  78 }
  79
  80
  81 /***********************************************************************
  82  *           DEFWND_SetTextA
  83  *
  84  * Set the window text.
  85  */
  86 static void DEFWND_SetTextA( HWND hwnd, LPCSTR text )
  87 {
  88     int count;
  89     WCHAR *textW;
  90     WND *wndPtr;
  91
  92     if (!text) text = "";
  93     count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
  94
  95     if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
  96     if ((textW = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
  97     {
  98         if (wndPtr->text) HeapFree(GetProcessHeap(), 0, wndPtr->text);
  99         wndPtr->text = textW;
 100         MultiByteToWideChar( CP_ACP, 0, text, -1, textW, count );
 101         SERVER_START_REQ( set_window_text )
 102         {
 103             req->handle = hwnd;
 104             wine_server_add_data( req, textW, (count-1) * sizeof(WCHAR) );
 105             wine_server_call( req );
 106         }
 107         SERVER_END_REQ;
 108     }
 109     else
 110         ERR("Not enough memory for window text\n");
 111     WIN_ReleasePtr( wndPtr );
 112
 113     if (USER_Driver.pSetWindowText) USER_Driver.pSetWindowText( hwnd, textW );
 114 }
 115
 116 /***********************************************************************
 117  *           DEFWND_SetTextW
 118  *
 119  * Set the window text.
 120  */
 121 static void DEFWND_SetTextW( HWND hwnd, LPCWSTR text )
 122 {
 123     static const WCHAR empty_string[] = {0};
 124     WND *wndPtr;
 125     int count;
 126
 127     if (!text) text = empty_string;
 128     count = strlenW(text) + 1;
 129
 130     if (!(wndPtr = WIN_GetPtr( hwnd ))) return;
 131     if (wndPtr->text) HeapFree(GetProcessHeap(), 0, wndPtr->text);
 132     if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
 133     {
 134         strcpyW( wndPtr->text, text );
 135         SERVER_START_REQ( set_window_text )
 136         {
 137             req->handle = hwnd;
 138             wine_server_add_data( req, wndPtr->text, (count-1) * sizeof(WCHAR) );
 139             wine_server_call( req );
 140         }
 141         SERVER_END_REQ;
 142     }
 143     else
 144         ERR("Not enough memory for window text\n");
 145     text = wndPtr->text;
 146     WIN_ReleasePtr( wndPtr );
 147
 148     if (USER_Driver.pSetWindowText) USER_Driver.pSetWindowText( hwnd, text );
 149 }
 150
 151 /***********************************************************************
 152  *           DEFWND_ControlColor
 153  *
 154  * Default colors for control painting.
 155  */
 156 HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
 157 {
 158     if( ctlType == CTLCOLOR_SCROLLBAR)
 159     {
 160         HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
 161         COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
 162         SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
 163         SetBkColor( hDC, bk);
 164
 165         /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
 166          * we better use 0x55aa bitmap brush to make scrollbar's background
 167          * look different from the window background.
 168          */
 169         if (bk == GetSysColor(COLOR_WINDOW))
 170             return UITOOLS_GetPattern55AABrush();
 171
 172         UnrealizeObject( hb );
 173         return hb;
 174     }
 175
 176     SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
 177
 178     if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
 179         SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 180     else {
 181         SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
 182         return GetSysColorBrush(COLOR_3DFACE);
 183     }
 184     return GetSysColorBrush(COLOR_WINDOW);
 185 }
 186
 187
 188 /***********************************************************************
 189  *           DEFWND_SetRedraw
 190  */
 191 static void DEFWND_SetRedraw( HWND hwnd, WPARAM wParam )
 192 {
 193     WND *wndPtr = WIN_FindWndPtr( hwnd );
 194     BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
 195
 196     TRACE("%p %i\n", hwnd, (wParam!=0) );
 197
 198     if( wParam )
 199     {
 200         if( !bVisible )
 201         {
 202             WIN_SetStyle( hwnd, wndPtr->dwStyle | WS_VISIBLE );
 203             DCE_InvalidateDCE( hwnd, &wndPtr->rectWindow );
 204         }
 205     }
 206     else if( bVisible )
 207     {
 208         if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
 209         else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
 210
 211         RedrawWindow( hwnd, NULL, 0, wParam );
 212         DCE_InvalidateDCE( hwnd, &wndPtr->rectWindow );
 213         WIN_SetStyle( hwnd, wndPtr->dwStyle & ~WS_VISIBLE );
 214     }
 215     WIN_ReleaseWndPtr( wndPtr );
 216 }
 217
 218 /***********************************************************************
 219  *           DEFWND_Print
 220  *
 221  * This method handles the default behavior for the WM_PRINT message.
 222  */
 223 static void DEFWND_Print( HWND hwnd, HDC hdc, ULONG uFlags)
 224 {
 225   /*
 226    * Visibility flag.
 227    */
 228   if ( (uFlags & PRF_CHECKVISIBLE) &&
 229        !IsWindowVisible(hwnd) )
 230       return;
 231
 232   /*
 233    * Unimplemented flags.
 234    */
 235   if ( (uFlags & PRF_CHILDREN) ||
 236        (uFlags & PRF_OWNED)    ||
 237        (uFlags & PRF_NONCLIENT) )
 238   {
 239     WARN("WM_PRINT message with unsupported flags\n");
 240   }
 241
 242   /*
 243    * Background
 244    */
 245   if ( uFlags & PRF_ERASEBKGND)
 246     SendMessageW(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);
 247
 248   /*
 249    * Client area
 250    */
 251   if ( uFlags & PRF_CLIENT)
 252     SendMessageW(hwnd, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
 253 }
 254
 255
 256 /*
 257  * helpers for calling IMM32
 258  *
 259  * WM_IME_* messages are generated only by IMM32,
 260  * so I assume imm32 is already LoadLibrary-ed.
 261  */
 262 static HWND DEFWND_ImmGetDefaultIMEWnd( HWND hwnd )
 263 {
 264     HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
 265     HWND (WINAPI *pFunc)(HWND);
 266     HWND hwndRet = 0;
 267
 268     if (!hInstIMM)
 269     {
 270         ERR( "cannot get IMM32 handle\n" );
 271         return 0;
 272     }
 273
 274     pFunc = (void*)GetProcAddress(hInstIMM,"ImmGetDefaultIMEWnd");
 275     if ( pFunc != NULL )
 276         hwndRet = (*pFunc)( hwnd );
 277
 278     return hwndRet;
 279 }
 280
 281 static BOOL DEFWND_ImmIsUIMessageA( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
 282 {
 283     HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
 284     BOOL (WINAPI *pFunc)(HWND,UINT,WPARAM,LPARAM);
 285     BOOL fRet = FALSE;
 286
 287     if (!hInstIMM)
 288     {
 289         ERR( "cannot get IMM32 handle\n" );
 290         return FALSE;
 291     }
 292
 293     pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageA");
 294     if ( pFunc != NULL )
 295         fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
 296
 297     return fRet;
 298 }
 299
 300 static BOOL DEFWND_ImmIsUIMessageW( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
 301 {
 302     static const WCHAR imm32W[] = {'i','m','m','3','2',0};
 303
 304     HINSTANCE hInstIMM = GetModuleHandleW( imm32W );
 305     BOOL (WINAPI *pFunc)(HWND,UINT,WPARAM,LPARAM);
 306     BOOL fRet = FALSE;
 307
 308     if (!hInstIMM)
 309     {
 310         ERR( "cannot get IMM32 handle\n" );
 311         return FALSE;
 312     }
 313
 314     pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageW");
 315     if ( pFunc != NULL )
 316         fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
 317
 318     return fRet;
 319 }
 320
 321
 322
 323 /***********************************************************************
 324  *           DEFWND_DefWinProc
 325  *
 326  * Default window procedure for messages that are the same in Win16 and Win32.
 327  */
 328 static LRESULT DEFWND_DefWinProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
 329 {
 330     switch(msg)
 331     {
 332     case WM_NCPAINT:
 333         return NC_HandleNCPaint( hwnd, (HRGN)wParam );
 334
 335     case WM_NCHITTEST:
 336         {
 337             POINT pt;
 338             pt.x = (short)LOWORD(lParam);
 339             pt.y = (short)HIWORD(lParam);
 340             return NC_HandleNCHitTest( hwnd, pt );
 341         }
 342
 343     case WM_NCLBUTTONDOWN:
 344         return NC_HandleNCLButtonDown( hwnd, wParam, lParam );
 345
 346     case WM_LBUTTONDBLCLK:
 347     case WM_NCLBUTTONDBLCLK:
 348         return NC_HandleNCLButtonDblClk( hwnd, wParam, lParam );
 349
 350     case WM_NCRBUTTONDOWN:
 351         /* in Windows, capture is taken when right-clicking on the caption bar */
 352         if (wParam==HTCAPTION)
 353         {
 354             SetCapture(hwnd);
 355         }
 356         break;
 357
 358     case WM_RBUTTONUP:
 359         {
 360             POINT pt;
 361
 362             if (hwnd == GetCapture())
 363                 /* release capture if we took it on WM_NCRBUTTONDOWN */
 364                 ReleaseCapture();
 365
 366             pt.x = (short)LOWORD(lParam);
 367             pt.y = (short)HIWORD(lParam);
 368             ClientToScreen(hwnd, &pt);
 369             SendMessageW( hwnd, WM_CONTEXTMENU, (WPARAM)hwnd, MAKELPARAM(pt.x, pt.y) );
 370         }
 371         break;
 372
 373     case WM_NCRBUTTONUP:
 374         /*
 375          * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
 376          * in Windows), but what _should_ we do? According to MSDN :
 377          * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
 378          * message to the window". When is it appropriate?
 379          */
 380         break;
 381
 382     case WM_CONTEXTMENU:
 383         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
 384             SendMessageW( GetParent(hwnd), msg, wParam, lParam );
 385         else
 386         {
 387             LONG hitcode;
 388             POINT pt;
 389             WND *wndPtr = WIN_GetPtr( hwnd );
 390             HMENU hMenu = wndPtr->hSysMenu;
 391             WIN_ReleasePtr( wndPtr );
 392             if (!hMenu) return 0;
 393             pt.x = (short)LOWORD(lParam);
 394             pt.y = (short)HIWORD(lParam);
 395             hitcode = NC_HandleNCHitTest(hwnd, pt);
 396
 397             /* Track system popup if click was in the caption area. */
 398             if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
 399                TrackPopupMenu(GetSystemMenu(hwnd, FALSE),
 400                                TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
 401                                pt.x, pt.y, 0, hwnd, NULL);
 402         }
 403         break;
 404
 405     case WM_NCACTIVATE:
 406         return NC_HandleNCActivate( hwnd, wParam );
 407
 408     case WM_NCDESTROY:
 409         {
 410             WND *wndPtr = WIN_GetPtr( hwnd );
 411             if (!wndPtr) return 0;
 412             if (wndPtr->text) HeapFree( GetProcessHeap(), 0, wndPtr->text );
 413             wndPtr->text = NULL;
 414             if (wndPtr->pVScroll) HeapFree( GetProcessHeap(), 0, wndPtr->pVScroll );
 415             if (wndPtr->pHScroll) HeapFree( GetProcessHeap(), 0, wndPtr->pHScroll );
 416             wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 417             WIN_ReleasePtr( wndPtr );
 418             return 0;
 419         }
 420
 421     case WM_PRINT:
 422         DEFWND_Print(hwnd, (HDC)wParam, lParam);
 423         return 0;
 424
 425     case WM_PAINTICON:
 426     case WM_PAINT:
 427         {
 428             PAINTSTRUCT ps;
 429             HDC hdc = BeginPaint( hwnd, &ps );
 430             if( hdc )
 431             {
 432               HICON hIcon;
 433               if (IsIconic(hwnd) && ((hIcon = (HICON)GetClassLongW( hwnd, GCL_HICON))) )
 434               {
 435                   RECT rc;
 436                   int x, y;
 437
 438                   GetClientRect( hwnd, &rc );
 439                   x = (rc.right - rc.left - GetSystemMetrics(SM_CXICON))/2;
 440                   y = (rc.bottom - rc.top - GetSystemMetrics(SM_CYICON))/2;
 441                   TRACE("Painting class icon: vis rect=(%ld,%ld - %ld,%ld)\n",
 442                         ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 443                   DrawIcon( hdc, x, y, hIcon );
 444               }
 445               EndPaint( hwnd, &ps );
 446             }
 447             return 0;
 448         }
 449
 450     case WM_SYNCPAINT:
 451         RedrawWindow ( hwnd, NULL, 0, RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN );
 452         return 0;
 453
 454     case WM_SETREDRAW:
 455         DEFWND_SetRedraw( hwnd, wParam );
 456         return 0;
 457
 458     case WM_CLOSE:
 459         DestroyWindow( hwnd );
 460         return 0;
 461
 462     case WM_MOUSEACTIVATE:
 463         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
 464         {
 465             LONG ret = SendMessageW( GetParent(hwnd), WM_MOUSEACTIVATE, wParam, lParam );
 466             if (ret) return ret;
 467         }
 468
 469         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 470         return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
 471
 472     case WM_ACTIVATE:
 473         /* The default action in Windows is to set the keyboard focus to
 474          * the window, if it's being activated and not minimized */
 475         if (LOWORD(wParam) != WA_INACTIVE) {
 476             if (!IsIconic(hwnd)) SetFocus(hwnd);
 477         }
 478         break;
 479
 480     case WM_MOUSEWHEEL:
 481         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
 482             return SendMessageW( GetParent(hwnd), WM_MOUSEWHEEL, wParam, lParam );
 483         break;
 484
 485     case WM_ERASEBKGND:
 486     case WM_ICONERASEBKGND:
 487         {
 488             RECT rect;
 489             HDC hdc = (HDC)wParam;
 490             HBRUSH hbr = (HBRUSH)GetClassLongW( hwnd, GCL_HBRBACKGROUND );
 491             if (!hbr) return 0;
 492
 493             if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
 494             {
 495                 /* can't use GetClipBox with a parent DC or we fill the whole parent */
 496                 GetClientRect( hwnd, &rect );
 497                 DPtoLP( hdc, (LPPOINT)&rect, 2 );
 498             }
 499             else GetClipBox( hdc, &rect );
 500             FillRect( hdc, &rect, hbr );
 501             return 1;
 502         }
 503
 504     case WM_GETDLGCODE:
 505         return 0;
 506
 507     case WM_CTLCOLORMSGBOX:
 508     case WM_CTLCOLOREDIT:
 509     case WM_CTLCOLORLISTBOX:
 510     case WM_CTLCOLORBTN:
 511     case WM_CTLCOLORDLG:
 512     case WM_CTLCOLORSTATIC:
 513     case WM_CTLCOLORSCROLLBAR:
 514         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 515
 516     case WM_CTLCOLOR:
 517         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 518
 519     case WM_SETCURSOR:
 520         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
 521         {
 522             /* with the exception of the border around a resizable wnd,
 523              * give the parent first chance to set the cursor */
 524             if ((LOWORD(lParam) < HTSIZEFIRST) || (LOWORD(lParam) > HTSIZELAST))
 525             {
 526                 if (SendMessageW(GetParent(hwnd), WM_SETCURSOR, wParam, lParam)) return TRUE;
 527             }
 528         }
 529         NC_HandleSetCursor( hwnd, wParam, lParam );
 530         break;
 531
 532     case WM_SYSCOMMAND:
 533         return NC_HandleSysCommand( hwnd, wParam, lParam );
 534
 535     case WM_KEYDOWN:
 536         if(wParam == VK_F10) iF10Key = VK_F10;
 537         break;
 538
 539     case WM_SYSKEYDOWN:
 540         if( HIWORD(lParam) & KEYDATA_ALT )
 541         {
 542             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 543               if( wParam == VK_MENU && !iMenuSysKey )
 544                 iMenuSysKey = 1;
 545               else
 546                 iMenuSysKey = 0;
 547
 548             iF10Key = 0;
 549
 550             if( wParam == VK_F4 )       /* try to close the window */
 551             {
 552                 HWND top = GetAncestor( hwnd, GA_ROOT );
 553                 if (!(GetClassLongW( top, GCL_STYLE ) & CS_NOCLOSE))
 554                     PostMessageW( top, WM_SYSCOMMAND, SC_CLOSE, 0 );
 555             }
 556         }
 557         else if( wParam == VK_F10 )
 558             iF10Key = 1;
 559         else if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 560             SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, ' ' );
 561         break;
 562
 563     case WM_KEYUP:
 564     case WM_SYSKEYUP:
 565         /* Press and release F10 or ALT */
 566         if (((wParam == VK_MENU) && iMenuSysKey) ||
 567             ((wParam == VK_F10) && iF10Key))
 568               SendMessageW( GetAncestor( hwnd, GA_ROOT ), WM_SYSCOMMAND, SC_KEYMENU, 0L );
 569         iMenuSysKey = iF10Key = 0;
 570         break;
 571
 572     case WM_SYSCHAR:
 573     {
 574         iMenuSysKey = 0;
 575         if (wParam == '\r' && IsIconic(hwnd))
 576         {
 577             PostMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, 0L );
 578             break;
 579         }
 580         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 581         {
 582             if (wParam == '\t' || wParam == '\x1b') break;
 583             if (wParam == ' ' && (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD))
 584                 SendMessageW( GetParent(hwnd), msg, wParam, lParam );
 585             else
 586                 SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, wParam );
 587         }
 588         else /* check for Ctrl-Esc */
 589             if (wParam != '\x1b') MessageBeep(0);
 590         break;
 591     }
 592
 593     case WM_SHOWWINDOW:
 594         {
 595             LONG style = GetWindowLongW( hwnd, GWL_STYLE );
 596             if (!lParam) return 0; /* sent from ShowWindow */
 597             if (!(style & WS_POPUP)) return 0;
 598             if ((style & WS_VISIBLE) && wParam) return 0;
 599             if (!(style & WS_VISIBLE) && !wParam) return 0;
 600             if (!GetWindow( hwnd, GW_OWNER )) return 0;
 601             ShowWindow( hwnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 602             break;
 603         }
 604
 605     case WM_CANCELMODE:
 606         if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) EndMenu();
 607         if (GetCapture() == hwnd) ReleaseCapture();
 608         break;
 609
 610     case WM_VKEYTOITEM:
 611     case WM_CHARTOITEM:
 612         return -1;
 613
 614     case WM_DROPOBJECT:
 615         return DRAG_FILE;
 616
 617     case WM_QUERYDROPOBJECT:
 618         return (GetWindowLongA( hwnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) != 0;
 619
 620     case WM_QUERYDRAGICON:
 621         {
 622             UINT len;
 623
 624             HICON hIcon = (HICON)GetClassLongW( hwnd, GCL_HICON );
 625             HINSTANCE instance = (HINSTANCE)GetWindowLongPtrW( hwnd, GWLP_HINSTANCE );
 626             if (hIcon) return (LRESULT)hIcon;
 627             for(len=1; len<64; len++)
 628                 if((hIcon = LoadIconW(instance, MAKEINTRESOURCEW(len))))
 629                     return (LRESULT)hIcon;
 630             return (LRESULT)LoadIconW(0, (LPWSTR)IDI_APPLICATION);
 631         }
 632         break;
 633
 634     case WM_ISACTIVEICON:
 635         {
 636             WND *wndPtr = WIN_GetPtr( hwnd );
 637             BOOL ret = (wndPtr->flags & WIN_NCACTIVATED) != 0;
 638             WIN_ReleasePtr( wndPtr );
 639             return ret;
 640         }
 641
 642     case WM_NOTIFYFORMAT:
 643       if (IsWindowUnicode(hwnd)) return NFR_UNICODE;
 644       else return NFR_ANSI;
 645
 646     case WM_QUERYOPEN:
 647     case WM_QUERYENDSESSION:
 648         return 1;
 649
 650     case WM_SETICON:
 651         {
 652             HICON ret;
 653             WND *wndPtr = WIN_GetPtr( hwnd );
 654
 655             switch(wParam)
 656             {
 657             case ICON_SMALL:
 658                 ret = wndPtr->hIconSmall;
 659                 wndPtr->hIconSmall = (HICON)lParam;
 660                 break;
 661             case ICON_BIG:
 662                 ret = wndPtr->hIcon;
 663                 wndPtr->hIcon = (HICON)lParam;
 664                 break;
 665             default:
 666                 ret = 0;
 667                 break;
 668             }
 669             WIN_ReleasePtr( wndPtr );
 670
 671             if (USER_Driver.pSetWindowIcon)
 672                 USER_Driver.pSetWindowIcon( hwnd, wParam, (HICON)lParam );
 673
 674             SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOSIZE |
 675                          SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER);
 676
 677             return (LRESULT)ret;
 678         }
 679
 680     case WM_GETICON:
 681         {
 682             HICON ret;
 683             WND *wndPtr = WIN_GetPtr( hwnd );
 684
 685             switch(wParam)
 686             {
 687             case ICON_SMALL:
 688                 ret = wndPtr->hIconSmall;
 689                 break;
 690             case ICON_BIG:
 691                 ret = wndPtr->hIcon;
 692                 break;
 693             case ICON_SMALL2:
 694                 ret = wndPtr->hIconSmall;
 695                 if (!ret) ret = (HICON)GetClassLongA( hwnd, GCL_HICONSM );
 696                 /* FIXME: should have a default here if class icon is null */
 697                 break;
 698             default:
 699                 ret = 0;
 700                 break;
 701             }
 702             WIN_ReleasePtr( wndPtr );
 703             return (LRESULT)ret;
 704         }
 705
 706     case WM_HELP:
 707         SendMessageW( GetParent(hwnd), msg, wParam, lParam );
 708         break;
 709     }
 710
 711     return 0;
 712 }
 713
 714
 715
 716 /***********************************************************************
 717  *              DefWindowProc (USER.107)
 718  */
 719 LRESULT WINAPI DefWindowProc16( HWND16 hwnd16, UINT16 msg, WPARAM16 wParam,
 720                                 LPARAM lParam )
 721 {
 722     LRESULT result = 0;
 723     HWND hwnd = WIN_Handle32( hwnd16 );
 724
 725     if (!WIN_IsCurrentProcess( hwnd ))
 726     {
 727         if (!IsWindow( hwnd )) return 0;
 728         ERR( "called for other process window %p\n", hwnd );
 729         return 0;
 730     }
 731     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 732
 733     switch(msg)
 734     {
 735     case WM_NCCREATE:
 736         {
 737             CREATESTRUCT16 *cs = MapSL(lParam);
 738             /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
 739              * may have child window IDs instead of window name */
 740             if (HIWORD(cs->lpszName))
 741                 DEFWND_SetTextA( hwnd, MapSL(cs->lpszName) );
 742             result = 1;
 743         }
 744         break;
 745
 746     case WM_NCCALCSIZE:
 747         {
 748             RECT rect32;
 749             RECT16 *rect16 = MapSL(lParam);
 750
 751             rect32.left   = rect16->left;
 752             rect32.top    = rect16->top;
 753             rect32.right  = rect16->right;
 754             rect32.bottom = rect16->bottom;
 755             result = NC_HandleNCCalcSize( hwnd, &rect32 );
 756             rect16->left   = rect32.left;
 757             rect16->top    = rect32.top;
 758             rect16->right  = rect32.right;
 759             rect16->bottom = rect32.bottom;
 760         }
 761         break;
 762
 763     case WM_WINDOWPOSCHANGING:
 764         result = WINPOS_HandleWindowPosChanging16( hwnd, MapSL(lParam) );
 765         break;
 766
 767     case WM_WINDOWPOSCHANGED:
 768         {
 769             WINDOWPOS16 * winPos = MapSL(lParam);
 770             DEFWND_HandleWindowPosChanged( hwnd, winPos->flags );
 771         }
 772         break;
 773
 774     case WM_GETTEXT:
 775     case WM_SETTEXT:
 776         result = DefWindowProcA( hwnd, msg, wParam, (LPARAM)MapSL(lParam) );
 777         break;
 778
 779     default:
 780         result = DefWindowProcA( hwnd, msg, wParam, lParam );
 781         break;
 782     }
 783
 784     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
 785     return result;
 786 }
 787
 788
 789 /***********************************************************************
 790  *              DefWindowProcA (USER32.@)
 791  *
 792  */
 793 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
 794 {
 795     LRESULT result = 0;
 796     HWND full_handle;
 797
 798     if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
 799     {
 800         if (!IsWindow( hwnd )) return 0;
 801         ERR( "called for other process window %p\n", hwnd );
 802         return 0;
 803     }
 804     hwnd = full_handle;
 805
 806     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 807
 808     switch(msg)
 809     {
 810     case WM_NCCREATE:
 811         {
 812             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 813             /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
 814              * may have child window IDs instead of window name */
 815             if (HIWORD(cs->lpszName))
 816                 DEFWND_SetTextA( hwnd, cs->lpszName );
 817             result = 1;
 818         }
 819         break;
 820
 821     case WM_NCCALCSIZE:
 822         result = NC_HandleNCCalcSize( hwnd, (RECT *)lParam );
 823         break;
 824
 825     case WM_WINDOWPOSCHANGING:
 826         result = WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
 827         break;
 828
 829     case WM_WINDOWPOSCHANGED:
 830         {
 831             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 832             DEFWND_HandleWindowPosChanged( hwnd, winPos->flags );
 833         }
 834         break;
 835
 836     case WM_GETTEXTLENGTH:
 837         {
 838             WND *wndPtr = WIN_GetPtr( hwnd );
 839             if (wndPtr && wndPtr->text)
 840                 result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
 841                                               NULL, 0, NULL, NULL );
 842             WIN_ReleasePtr( wndPtr );
 843         }
 844         break;
 845
 846     case WM_GETTEXT:
 847         if (wParam)
 848         {
 849             LPSTR dest = (LPSTR)lParam;
 850             WND *wndPtr = WIN_GetPtr( hwnd );
 851
 852             if (!wndPtr) break;
 853             if (wndPtr->text)
 854             {
 855                 if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
 856                                           dest, wParam, NULL, NULL )) dest[wParam-1] = 0;
 857                 result = strlen( dest );
 858             }
 859             else dest[0] = '\0';
 860             WIN_ReleasePtr( wndPtr );
 861         }
 862         break;
 863
 864     case WM_SETTEXT:
 865         DEFWND_SetTextA( hwnd, (LPCSTR)lParam );
 866         if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
 867             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 868         result = 1; /* success. FIXME: check text length */
 869         break;
 870
 871     /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
 872     case WM_IME_CHAR:
 873         {
 874             CHAR    chChar1 = (CHAR)( (wParam>>8) & 0xff );
 875             CHAR    chChar2 = (CHAR)( wParam & 0xff );
 876
 877             if (chChar1)
 878                 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar1, lParam );
 879             SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar2, lParam );
 880         }
 881         break;
 882     case WM_IME_KEYDOWN:
 883         result = SendMessageA( hwnd, WM_KEYDOWN, wParam, lParam );
 884         break;
 885     case WM_IME_KEYUP:
 886         result = SendMessageA( hwnd, WM_KEYUP, wParam, lParam );
 887         break;
 888
 889     case WM_IME_STARTCOMPOSITION:
 890     case WM_IME_COMPOSITION:
 891     case WM_IME_ENDCOMPOSITION:
 892     case WM_IME_SELECT:
 893         {
 894             HWND hwndIME;
 895
 896             hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
 897             if (hwndIME)
 898                 result = SendMessageA( hwndIME, msg, wParam, lParam );
 899         }
 900         break;
 901     case WM_IME_SETCONTEXT:
 902         {
 903             HWND hwndIME;
 904
 905             hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
 906             if (hwndIME)
 907                 result = DEFWND_ImmIsUIMessageA( hwndIME, msg, wParam, lParam );
 908         }
 909         break;
 910
 911     case WM_INPUTLANGCHANGEREQUEST:
 912         /* notify about the switch only if it's really our current layout */
 913         if ((HKL)lParam == GetKeyboardLayout(0))
 914             result = SendMessageA( hwnd, WM_INPUTLANGCHANGE, wParam, lParam );
 915         else
 916             result = 0;
 917         break;
 918
 919     case WM_SYSCHAR:
 920     {
 921         BYTE ch = LOWORD(wParam);
 922         WCHAR wch;
 923         MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wch, 1);
 924         wParam = MAKEWPARAM( wch, HIWORD(wParam) );
 925     }
 926     /* fall through */
 927     default:
 928         result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
 929         break;
 930     }
 931
 932     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 933     return result;
 934 }
 935
 936
 937 /***********************************************************************
 938  *              DefWindowProcW (USER32.@) Calls default window message handler
 939  *
 940  * Calls default window procedure for messages not processed
 941  *  by application.
 942  *
 943  *  RETURNS
 944  *     Return value is dependent upon the message.
 945 */
 946 LRESULT WINAPI DefWindowProcW(
 947     HWND hwnd,      /* [in] window procedure receiving message */
 948     UINT msg,       /* [in] message identifier */
 949     WPARAM wParam,  /* [in] first message parameter */
 950     LPARAM lParam )   /* [in] second message parameter */
 951 {
 952     LRESULT result = 0;
 953     HWND full_handle;
 954
 955     if (!(full_handle = WIN_IsCurrentProcess( hwnd )))
 956     {
 957         if (!IsWindow( hwnd )) return 0;
 958         ERR( "called for other process window %p\n", hwnd );
 959         return 0;
 960     }
 961     hwnd = full_handle;
 962     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 963
 964     switch(msg)
 965     {
 966     case WM_NCCREATE:
 967         {
 968             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 969             /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
 970              * may have child window IDs instead of window name */
 971             if (HIWORD(cs->lpszName))
 972                 DEFWND_SetTextW( hwnd, cs->lpszName );
 973             result = 1;
 974         }
 975         break;
 976
 977     case WM_NCCALCSIZE:
 978         result = NC_HandleNCCalcSize( hwnd, (RECT *)lParam );
 979         break;
 980
 981     case WM_WINDOWPOSCHANGING:
 982         result = WINPOS_HandleWindowPosChanging( hwnd, (WINDOWPOS *)lParam );
 983         break;
 984
 985     case WM_WINDOWPOSCHANGED:
 986         {
 987             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 988             DEFWND_HandleWindowPosChanged( hwnd, winPos->flags );
 989         }
 990         break;
 991
 992     case WM_GETTEXTLENGTH:
 993         {
 994             WND *wndPtr = WIN_GetPtr( hwnd );
 995             if (wndPtr && wndPtr->text) result = (LRESULT)strlenW(wndPtr->text);
 996             WIN_ReleasePtr( wndPtr );
 997         }
 998         break;
 999
1000     case WM_GETTEXT:
1001         if (wParam)
1002         {
1003             LPWSTR dest = (LPWSTR)lParam;
1004             WND *wndPtr = WIN_GetPtr( hwnd );
1005
1006             if (!wndPtr) break;
1007             if (wndPtr->text)
1008             {
1009                 lstrcpynW( dest, wndPtr->text, wParam );
1010                 result = strlenW( dest );
1011             }
1012             else dest[0] = '\0';
1013             WIN_ReleasePtr( wndPtr );
1014         }
1015         break;
1016
1017     case WM_SETTEXT:
1018         DEFWND_SetTextW( hwnd, (LPCWSTR)lParam );
1019         if( (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CAPTION) == WS_CAPTION )
1020             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
1021         result = 1; /* success. FIXME: check text length */
1022         break;
1023
1024     /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
1025     case WM_IME_CHAR:
1026         SendMessageW( hwnd, WM_CHAR, wParam, lParam );
1027         break;
1028     case WM_IME_SETCONTEXT:
1029         {
1030             HWND hwndIME;
1031
1032             hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
1033             if (hwndIME)
1034                 result = DEFWND_ImmIsUIMessageW( hwndIME, msg, wParam, lParam );
1035         }
1036         break;
1037
1038     case WM_INPUTLANGCHANGEREQUEST:
1039         /* notify about the switch only if it's really our current layout */
1040         if ((HKL)lParam == GetKeyboardLayout(0))
1041             result = SendMessageW( hwnd, WM_INPUTLANGCHANGE, wParam, lParam );
1042         else
1043             result = 0;
1044         break;
1045
1046     default:
1047         result = DEFWND_DefWinProc( hwnd, msg, wParam, lParam );
1048         break;
1049     }
1050     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
1051     return result;
1052 }