windows/defwnd.c

   1 /*
   2  * Default window procedure
   3  *
   4  * Copyright 1993, 1996 Alexandre Julliard
   5  *           1995 Alex Korobka
   6  */
   7
   8 #include <string.h>
   9
  10 #include "win.h"
  11 #include "user.h"
  12 #include "nonclient.h"
  13 #include "winpos.h"
  14 #include "dce.h"
  15 #include "debugtools.h"
  16 #include "spy.h"
  17 #include "windef.h"
  18 #include "wingdi.h"
  19 #include "winnls.h"
  20 #include "wine/unicode.h"
  21 #include "wine/winuser16.h"
  22 #include "imm.h"
  23
  24 DEFAULT_DEBUG_CHANNEL(win);
  25
  26   /* bits in the dwKeyData */
  27 #define KEYDATA_ALT             0x2000
  28 #define KEYDATA_PREVSTATE       0x4000
  29
  30 static short iF10Key = 0;
  31 static short iMenuSysKey = 0;
  32
  33 /***********************************************************************
  34  *           DEFWND_HandleWindowPosChanged
  35  *
  36  * Handle the WM_WINDOWPOSCHANGED message.
  37  */
  38 static void DEFWND_HandleWindowPosChanged( WND *wndPtr, UINT flags )
  39 {
  40     WPARAM wp = SIZE_RESTORED;
  41
  42     if (!(flags & SWP_NOCLIENTMOVE))
  43         SendMessageW( wndPtr->hwndSelf, WM_MOVE, 0,
  44                     MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top));
  45     if (!(flags & SWP_NOCLIENTSIZE))
  46     {
  47         if (wndPtr->dwStyle & WS_MAXIMIZE) wp = SIZE_MAXIMIZED;
  48         else if (wndPtr->dwStyle & WS_MINIMIZE) wp = SIZE_MINIMIZED;
  49
  50         SendMessageW( wndPtr->hwndSelf, WM_SIZE, wp,
  51                      MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
  52                             wndPtr->rectClient.bottom-wndPtr->rectClient.top));
  53     }
  54 }
  55
  56
  57 /***********************************************************************
  58  *           DEFWND_SetTextA
  59  *
  60  * Set the window text.
  61  */
  62 void DEFWND_SetTextA( WND *wndPtr, LPCSTR text )
  63 {
  64     int count;
  65
  66     if (!text) text = "";
  67     count = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 );
  68
  69     if (wndPtr->text) HeapFree(GetProcessHeap(), 0, wndPtr->text);
  70     if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
  71         MultiByteToWideChar( CP_ACP, 0, text, -1, wndPtr->text, count );
  72     else
  73         ERR("Not enough memory for window text\n");
  74
  75     if (USER_Driver.pSetWindowText)
  76         USER_Driver.pSetWindowText(wndPtr->hwndSelf, wndPtr->text);
  77 }
  78
  79 /***********************************************************************
  80  *           DEFWND_SetTextW
  81  *
  82  * Set the window text.
  83  */
  84 void DEFWND_SetTextW( WND *wndPtr, LPCWSTR text )
  85 {
  86     static const WCHAR empty_string[] = {0};
  87     int count;
  88
  89     if (!text) text = empty_string;
  90     count = strlenW(text) + 1;
  91
  92     if (wndPtr->text) HeapFree(GetProcessHeap(), 0, wndPtr->text);
  93     if ((wndPtr->text = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR))))
  94         strcpyW( wndPtr->text, text );
  95     else
  96         ERR("Not enough memory for window text\n");
  97
  98     if (USER_Driver.pSetWindowText)
  99         USER_Driver.pSetWindowText(wndPtr->hwndSelf, wndPtr->text);
 100 }
 101
 102 /***********************************************************************
 103  *           DEFWND_ControlColor
 104  *
 105  * Default colors for control painting.
 106  */
 107 HBRUSH DEFWND_ControlColor( HDC hDC, UINT ctlType )
 108 {
 109     if( ctlType == CTLCOLOR_SCROLLBAR)
 110     {
 111         HBRUSH hb = GetSysColorBrush(COLOR_SCROLLBAR);
 112         if (TWEAK_WineLook == WIN31_LOOK) {
 113            SetTextColor( hDC, RGB(0, 0, 0) );
 114            SetBkColor( hDC, RGB(255, 255, 255) );
 115         } else {
 116            COLORREF bk = GetSysColor(COLOR_3DHILIGHT);
 117            SetTextColor( hDC, GetSysColor(COLOR_3DFACE));
 118            SetBkColor( hDC, bk);
 119
 120            /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
 121             * we better use 0x55aa bitmap brush to make scrollbar's background
 122             * look different from the window background.
 123             */
 124            if (bk == GetSysColor(COLOR_WINDOW)) {
 125                return CACHE_GetPattern55AABrush();
 126            }
 127         }
 128         UnrealizeObject( hb );
 129         return hb;
 130     }
 131
 132     SetTextColor( hDC, GetSysColor(COLOR_WINDOWTEXT));
 133
 134     if (TWEAK_WineLook > WIN31_LOOK) {
 135         if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
 136             SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 137         else {
 138             SetBkColor( hDC, GetSysColor(COLOR_3DFACE) );
 139             return GetSysColorBrush(COLOR_3DFACE);
 140         }
 141     }
 142     else
 143         SetBkColor( hDC, GetSysColor(COLOR_WINDOW) );
 144     return GetSysColorBrush(COLOR_WINDOW);
 145 }
 146
 147
 148 /***********************************************************************
 149  *           DEFWND_SetRedraw
 150  */
 151 static void DEFWND_SetRedraw( WND* wndPtr, WPARAM wParam )
 152 {
 153     BOOL bVisible = wndPtr->dwStyle & WS_VISIBLE;
 154
 155     TRACE("%04x %i\n", wndPtr->hwndSelf, (wParam!=0) );
 156
 157     if( wParam )
 158     {
 159         if( !bVisible )
 160         {
 161             wndPtr->dwStyle |= WS_VISIBLE;
 162             DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 163         }
 164     }
 165     else if( bVisible )
 166     {
 167         if( wndPtr->dwStyle & WS_MINIMIZE ) wParam = RDW_VALIDATE;
 168         else wParam = RDW_ALLCHILDREN | RDW_VALIDATE;
 169
 170         RedrawWindow( wndPtr->hwndSelf, NULL, 0, wParam );
 171         DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow );
 172         wndPtr->dwStyle &= ~WS_VISIBLE;
 173     }
 174 }
 175
 176 /***********************************************************************
 177  *           DEFWND_Print
 178  *
 179  * This method handles the default behavior for the WM_PRINT message.
 180  */
 181 static void DEFWND_Print(
 182   WND*  wndPtr,
 183   HDC   hdc,
 184   ULONG uFlags)
 185 {
 186   /*
 187    * Visibility flag.
 188    */
 189   if ( (uFlags & PRF_CHECKVISIBLE) &&
 190        !IsWindowVisible(wndPtr->hwndSelf) )
 191       return;
 192
 193   /*
 194    * Unimplemented flags.
 195    */
 196   if ( (uFlags & PRF_CHILDREN) ||
 197        (uFlags & PRF_OWNED)    ||
 198        (uFlags & PRF_NONCLIENT) )
 199   {
 200     WARN("WM_PRINT message with unsupported flags\n");
 201   }
 202
 203   /*
 204    * Background
 205    */
 206   if ( uFlags & PRF_ERASEBKGND)
 207     SendMessageW(wndPtr->hwndSelf, WM_ERASEBKGND, (WPARAM)hdc, 0);
 208
 209   /*
 210    * Client area
 211    */
 212   if ( uFlags & PRF_CLIENT)
 213     SendMessageW(wndPtr->hwndSelf, WM_PRINTCLIENT, (WPARAM)hdc, PRF_CLIENT);
 214 }
 215
 216
 217 /*
 218  * helpers for calling IMM32
 219  *
 220  * WM_IME_* messages are generated only by IMM32,
 221  * so I assume imm32 is already LoadLibrary-ed.
 222  */
 223 static HWND DEFWND_ImmGetDefaultIMEWnd( HWND hwnd )
 224 {
 225     HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
 226     HWND WINAPI (*pFunc)(HWND);
 227     HWND hwndRet = 0;
 228
 229     if (!hInstIMM)
 230     {
 231         ERR( "cannot get IMM32 handle\n" );
 232         return 0;
 233     }
 234
 235     pFunc = (void*)GetProcAddress(hInstIMM,"ImmGetDefaultIMEWnd");
 236     if ( pFunc != NULL )
 237         hwndRet = (*pFunc)( hwnd );
 238
 239     return hwndRet;
 240 }
 241
 242 static BOOL DEFWND_ImmIsUIMessageA( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
 243 {
 244     HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
 245     BOOL WINAPI (*pFunc)(HWND,UINT,WPARAM,LPARAM);
 246     BOOL fRet = FALSE;
 247
 248     if (!hInstIMM)
 249     {
 250         ERR( "cannot get IMM32 handle\n" );
 251         return FALSE;
 252     }
 253
 254     pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageA");
 255     if ( pFunc != NULL )
 256         fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
 257
 258     return fRet;
 259 }
 260
 261 static BOOL DEFWND_ImmIsUIMessageW( HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam )
 262 {
 263     HINSTANCE hInstIMM = GetModuleHandleA( "imm32" );
 264     BOOL WINAPI (*pFunc)(HWND,UINT,WPARAM,LPARAM);
 265     BOOL fRet = FALSE;
 266
 267     if (!hInstIMM)
 268     {
 269         ERR( "cannot get IMM32 handle\n" );
 270         return FALSE;
 271     }
 272
 273     pFunc = (void*)GetProcAddress(hInstIMM,"ImmIsUIMessageW");
 274     if ( pFunc != NULL )
 275         fRet = (*pFunc)( hwndIME, msg, wParam, lParam );
 276
 277     return fRet;
 278 }
 279
 280
 281
 282 /***********************************************************************
 283  *           DEFWND_DefWinProc
 284  *
 285  * Default window procedure for messages that are the same in Win16 and Win32.
 286  */
 287 static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
 288                                   LPARAM lParam, BOOL unicode )
 289 {
 290     LRESULT (WINAPI *pSendMessage)(HWND, UINT, WPARAM, LPARAM);
 291     BOOL (WINAPI *pPostMessage)(HWND, UINT, WPARAM, LPARAM);
 292
 293     pSendMessage = unicode ? SendMessageW : SendMessageA;
 294     pPostMessage = unicode ? PostMessageW : PostMessageA;
 295
 296     switch(msg)
 297     {
 298     case WM_NCPAINT:
 299         return NC_HandleNCPaint( wndPtr->hwndSelf, (HRGN)wParam );
 300
 301     case WM_NCHITTEST:
 302         {
 303             POINT pt;
 304             pt.x = SLOWORD(lParam);
 305             pt.y = SHIWORD(lParam);
 306             return NC_HandleNCHitTest( wndPtr->hwndSelf, pt );
 307         }
 308
 309     case WM_NCLBUTTONDOWN:
 310         return NC_HandleNCLButtonDown( wndPtr, wParam, lParam );
 311
 312     case WM_LBUTTONDBLCLK:
 313     case WM_NCLBUTTONDBLCLK:
 314         return NC_HandleNCLButtonDblClk( wndPtr, wParam, lParam );
 315
 316     case WM_NCRBUTTONDOWN:
 317         /* in Windows, capture is taken when right-clicking on the caption bar */
 318         if (wParam==HTCAPTION)
 319         {
 320             SetCapture(wndPtr->hwndSelf);
 321         }
 322         break;
 323
 324     case WM_RBUTTONUP:
 325         {
 326             POINT pt;
 327
 328             if (wndPtr->hwndSelf == GetCapture())
 329                 /* release capture if we took it on WM_NCRBUTTONDOWN */
 330                 ReleaseCapture();
 331
 332             pt.x = SLOWORD(lParam);
 333             pt.y = SHIWORD(lParam);
 334             ClientToScreen(wndPtr->hwndSelf, &pt);
 335             pSendMessage( wndPtr->hwndSelf, WM_CONTEXTMENU,
 336                           wndPtr->hwndSelf, MAKELPARAM(pt.x, pt.y) );
 337         }
 338         break;
 339
 340     case WM_NCRBUTTONUP:
 341         /*
 342          * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
 343          * in Windows), but what _should_ we do? According to MSDN :
 344          * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
 345          * message to the window". When is it appropriate?
 346          */
 347         break;
 348
 349     case WM_CONTEXTMENU:
 350         if( wndPtr->dwStyle & WS_CHILD )
 351             pSendMessage( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 352         else if (wndPtr->hSysMenu)
 353         {
 354             LONG hitcode;
 355             POINT pt;
 356             pt.x = SLOWORD(lParam);
 357             pt.y = SHIWORD(lParam);
 358
 359             /*
 360              * WM_CONTEXTMENU coordinates are relative to screen, but
 361              * NC_HandleNCHitTest expects coordinates relative to the parent's
 362              * client area (to compare with the rectangle returned by
 363              * GetWindowRect)
 364              */
 365             if (wndPtr->parent)
 366                 ScreenToClient(wndPtr->parent->hwndSelf, &pt);
 367
 368             hitcode = NC_HandleNCHitTest(wndPtr->hwndSelf, pt);
 369
 370             /* Track system popup if click was in the caption area. */
 371             if (hitcode==HTCAPTION || hitcode==HTSYSMENU)
 372                TrackPopupMenu(GetSystemMenu(wndPtr->hwndSelf, FALSE),
 373                                TPM_LEFTBUTTON | TPM_RIGHTBUTTON,
 374                                pt.x, pt.y, 0, wndPtr->hwndSelf, NULL);
 375         }
 376         break;
 377
 378     case WM_NCACTIVATE:
 379         return NC_HandleNCActivate( wndPtr, wParam );
 380
 381     case WM_NCDESTROY:
 382         if (wndPtr->text) HeapFree( GetProcessHeap(), 0, wndPtr->text );
 383         wndPtr->text = NULL;
 384         if (wndPtr->pVScroll) HeapFree( GetProcessHeap(), 0, wndPtr->pVScroll );
 385         if (wndPtr->pHScroll) HeapFree( GetProcessHeap(), 0, wndPtr->pHScroll );
 386         wndPtr->pVScroll = wndPtr->pHScroll = NULL;
 387         return 0;
 388
 389     case WM_PRINT:
 390         DEFWND_Print(wndPtr, (HDC)wParam, lParam);
 391         return 0;
 392
 393     case WM_PAINTICON:
 394     case WM_PAINT:
 395         {
 396             PAINTSTRUCT ps;
 397             HDC hdc = BeginPaint( wndPtr->hwndSelf, &ps );
 398             if( hdc )
 399             {
 400               HICON hIcon;
 401               if( (wndPtr->dwStyle & WS_MINIMIZE) && ((hIcon = GetClassLongW( wndPtr->hwndSelf, GCL_HICON))) )
 402               {
 403                 int x = (wndPtr->rectWindow.right - wndPtr->rectWindow.left -
 404                         GetSystemMetrics(SM_CXICON))/2;
 405                 int y = (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top -
 406                         GetSystemMetrics(SM_CYICON))/2;
 407                 TRACE("Painting class icon: vis rect=(%i,%i - %i,%i)\n",
 408                 ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom );
 409                 DrawIcon( hdc, x, y, hIcon );
 410               }
 411               EndPaint( wndPtr->hwndSelf, &ps );
 412             }
 413             return 0;
 414         }
 415
 416     case WM_SYNCPAINT:
 417         RedrawWindow ( wndPtr->hwndSelf, NULL, 0, RDW_ERASENOW | RDW_ERASE | RDW_ALLCHILDREN );
 418         return 0;
 419
 420     case WM_SETREDRAW:
 421         DEFWND_SetRedraw( wndPtr, wParam );
 422         return 0;
 423
 424     case WM_CLOSE:
 425         DestroyWindow( wndPtr->hwndSelf );
 426         return 0;
 427
 428     case WM_MOUSEACTIVATE:
 429         if (wndPtr->dwStyle & WS_CHILD)
 430         {
 431             LONG ret = pSendMessage( wndPtr->parent->hwndSelf,
 432                                       WM_MOUSEACTIVATE, wParam, lParam );
 433             if (ret) return ret;
 434         }
 435
 436         /* Caption clicks are handled by the NC_HandleNCLButtonDown() */
 437         return (LOWORD(lParam) >= HTCLIENT) ? MA_ACTIVATE : MA_NOACTIVATE;
 438
 439     case WM_ACTIVATE:
 440         /* The default action in Windows is to set the keyboard focus to
 441          * the window, if it's being activated and not minimized */
 442         if (LOWORD(wParam) != WA_INACTIVE) {
 443                 if (!(wndPtr->dwStyle & WS_MINIMIZE))
 444                         SetFocus(wndPtr->hwndSelf);
 445         }
 446         break;
 447
 448      case WM_MOUSEWHEEL:
 449         if (wndPtr->dwStyle & WS_CHILD)
 450         {
 451             return pSendMessage( wndPtr->parent->hwndSelf,
 452                                  WM_MOUSEWHEEL, wParam, lParam );
 453         }
 454         break;
 455
 456     case WM_ERASEBKGND:
 457     case WM_ICONERASEBKGND:
 458         {
 459             RECT rect;
 460             HDC hdc = (HDC)wParam;
 461             HBRUSH hbr = GetClassLongW( wndPtr->hwndSelf, GCL_HBRBACKGROUND );
 462             if (!hbr) return 0;
 463
 464             /* GetClientRect used to be GetClipBox, but it is not what
 465              * Windows does, and it breaks badly with CS_PARENTDC */
 466             GetClientRect( wndPtr->hwndSelf, &rect );
 467             DPtoLP( hdc, (LPPOINT)&rect, 2 );
 468             FillRect( hdc, &rect, hbr );
 469             return 1;
 470         }
 471
 472     case WM_GETDLGCODE:
 473         return 0;
 474
 475     case WM_CTLCOLORMSGBOX:
 476     case WM_CTLCOLOREDIT:
 477     case WM_CTLCOLORLISTBOX:
 478     case WM_CTLCOLORBTN:
 479     case WM_CTLCOLORDLG:
 480     case WM_CTLCOLORSTATIC:
 481     case WM_CTLCOLORSCROLLBAR:
 482         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, msg - WM_CTLCOLORMSGBOX );
 483
 484     case WM_CTLCOLOR:
 485         return (LRESULT)DEFWND_ControlColor( (HDC)wParam, HIWORD(lParam) );
 486
 487     case WM_SETCURSOR:
 488         if (wndPtr->dwStyle & WS_CHILD)
 489         {
 490             /* with the exception of the border around a resizable wnd,
 491              * give the parent first chance to set the cursor */
 492             if ((LOWORD(lParam) < HTSIZEFIRST) || (LOWORD(lParam) > HTSIZELAST))
 493             {
 494                 if (pSendMessage(wndPtr->parent->hwndSelf, WM_SETCURSOR, wParam, lParam))
 495                     return TRUE;
 496             }
 497         }
 498         return NC_HandleSetCursor( wndPtr->hwndSelf, wParam, lParam );
 499
 500     case WM_SYSCOMMAND:
 501         {
 502             POINT pt;
 503             pt.x = SLOWORD(lParam);
 504             pt.y = SHIWORD(lParam);
 505             return NC_HandleSysCommand( wndPtr->hwndSelf, wParam, pt );
 506         }
 507
 508     case WM_KEYDOWN:
 509         if(wParam == VK_F10) iF10Key = VK_F10;
 510         break;
 511
 512     case WM_SYSKEYDOWN:
 513         if( HIWORD(lParam) & KEYDATA_ALT )
 514         {
 515             /* if( HIWORD(lParam) & ~KEYDATA_PREVSTATE ) */
 516               if( wParam == VK_MENU && !iMenuSysKey )
 517                 iMenuSysKey = 1;
 518               else
 519                 iMenuSysKey = 0;
 520
 521             iF10Key = 0;
 522
 523             if( wParam == VK_F4 )       /* try to close the window */
 524             {
 525                 HWND hWnd = WIN_GetTopParent( wndPtr->hwndSelf );
 526                 wndPtr = WIN_FindWndPtr( hWnd );
 527                 if( wndPtr && !(wndPtr->clsStyle & CS_NOCLOSE) )
 528                     pPostMessage( hWnd, WM_SYSCOMMAND, SC_CLOSE, 0 );
 529                 WIN_ReleaseWndPtr(wndPtr);
 530             }
 531         }
 532         else if( wParam == VK_F10 )
 533                 iF10Key = 1;
 534              else
 535                 if( wParam == VK_ESCAPE && (GetKeyState(VK_SHIFT) & 0x8000))
 536                     pSendMessage( wndPtr->hwndSelf, WM_SYSCOMMAND, SC_KEYMENU, VK_SPACE );
 537         break;
 538
 539     case WM_KEYUP:
 540     case WM_SYSKEYUP:
 541         /* Press and release F10 or ALT */
 542         if (((wParam == VK_MENU) && iMenuSysKey) ||
 543             ((wParam == VK_F10) && iF10Key))
 544               pSendMessage( WIN_GetTopParent(wndPtr->hwndSelf),
 545                              WM_SYSCOMMAND, SC_KEYMENU, 0L );
 546         iMenuSysKey = iF10Key = 0;
 547         break;
 548
 549     case WM_SYSCHAR:
 550         iMenuSysKey = 0;
 551         if (wParam == VK_RETURN && (wndPtr->dwStyle & WS_MINIMIZE))
 552         {
 553             pPostMessage( wndPtr->hwndSelf, WM_SYSCOMMAND, SC_RESTORE, 0L );
 554             break;
 555         }
 556         if ((HIWORD(lParam) & KEYDATA_ALT) && wParam)
 557         {
 558             if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
 559             if (wParam == VK_SPACE && (wndPtr->dwStyle & WS_CHILD))
 560                 pSendMessage( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 561             else
 562                 pSendMessage( wndPtr->hwndSelf, WM_SYSCOMMAND, SC_KEYMENU, wParam );
 563         }
 564         else /* check for Ctrl-Esc */
 565             if (wParam != VK_ESCAPE) MessageBeep(0);
 566         break;
 567
 568     case WM_SHOWWINDOW:
 569         if (!lParam) return 0; /* sent from ShowWindow */
 570         if (!(wndPtr->dwStyle & WS_POPUP) || !wndPtr->owner) return 0;
 571         if ((wndPtr->dwStyle & WS_VISIBLE) && wParam) return 0;
 572         else if (!(wndPtr->dwStyle & WS_VISIBLE) && !wParam) return 0;
 573         ShowWindow( wndPtr->hwndSelf, wParam ? SW_SHOWNOACTIVATE : SW_HIDE );
 574         break;
 575
 576     case WM_CANCELMODE:
 577         if (wndPtr->parent == WIN_GetDesktop()) EndMenu();
 578         if (GetCapture() == wndPtr->hwndSelf) ReleaseCapture();
 579         WIN_ReleaseDesktop();
 580         break;
 581
 582     case WM_VKEYTOITEM:
 583     case WM_CHARTOITEM:
 584         return -1;
 585
 586     case WM_DROPOBJECT:
 587         return DRAG_FILE;
 588
 589     case WM_QUERYDROPOBJECT:
 590         if (wndPtr->dwExStyle & WS_EX_ACCEPTFILES) return 1;
 591         break;
 592
 593     case WM_QUERYDRAGICON:
 594         {
 595             UINT len;
 596
 597             HICON hIcon = GetClassLongW( wndPtr->hwndSelf, GCL_HICON );
 598             if (hIcon) return hIcon;
 599             for(len=1; len<64; len++)
 600                 if((hIcon = LoadIconW(wndPtr->hInstance, MAKEINTRESOURCEW(len))))
 601                     return (LRESULT)hIcon;
 602             return (LRESULT)LoadIconW(0, IDI_APPLICATIONW);
 603         }
 604         break;
 605
 606     case WM_ISACTIVEICON:
 607         return ((wndPtr->flags & WIN_NCACTIVATED) != 0);
 608
 609     case WM_NOTIFYFORMAT:
 610       if (IsWindowUnicode(wndPtr->hwndSelf)) return NFR_UNICODE;
 611       else return NFR_ANSI;
 612
 613     case WM_QUERYOPEN:
 614     case WM_QUERYENDSESSION:
 615         return 1;
 616
 617     case WM_SETICON:
 618         if (USER_Driver.pSetWindowIcon)
 619             return USER_Driver.pSetWindowIcon( wndPtr->hwndSelf, lParam, (wParam != ICON_SMALL) );
 620         else
 621         {
 622                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 623                 HICON hOldIcon = GetClassLongW(wndPtr->hwndSelf, index);
 624                 SetClassLongW(wndPtr->hwndSelf, index, lParam);
 625
 626                 SetWindowPos(wndPtr->hwndSelf, 0, 0, 0, 0, 0, SWP_FRAMECHANGED
 627                          | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE
 628                          | SWP_NOZORDER);
 629                 return hOldIcon;
 630         }
 631
 632     case WM_GETICON:
 633         {
 634                 int index = (wParam != ICON_SMALL) ? GCL_HICON : GCL_HICONSM;
 635                 return GetClassLongW(wndPtr->hwndSelf, index);
 636         }
 637
 638     case WM_HELP:
 639         pSendMessage( wndPtr->parent->hwndSelf, msg, wParam, lParam );
 640         break;
 641     }
 642
 643     return 0;
 644 }
 645
 646
 647
 648 /***********************************************************************
 649  *              DefWindowProc (USER.107)
 650  */
 651 LRESULT WINAPI DefWindowProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
 652                                 LPARAM lParam )
 653 {
 654     WND * wndPtr = WIN_FindWndPtr( hwnd );
 655     LRESULT result = 0;
 656
 657     if (!wndPtr) return 0;
 658     SPY_EnterMessage( SPY_DEFWNDPROC16, hwnd, msg, wParam, lParam );
 659
 660     switch(msg)
 661     {
 662     case WM_NCCREATE:
 663         {
 664             CREATESTRUCT16 *cs = MapSL(lParam);
 665             /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
 666              * may have child window IDs instead of window name */
 667             if (HIWORD(cs->lpszName))
 668                 DEFWND_SetTextA( wndPtr, MapSL(cs->lpszName) );
 669             result = 1;
 670         }
 671         break;
 672
 673     case WM_NCCALCSIZE:
 674         {
 675             RECT rect32;
 676             CONV_RECT16TO32( MapSL(lParam), &rect32 );
 677             result = NC_HandleNCCalcSize( wndPtr, &rect32 );
 678             CONV_RECT32TO16( &rect32, MapSL(lParam) );
 679         }
 680         break;
 681
 682     case WM_WINDOWPOSCHANGING:
 683         result = WINPOS_HandleWindowPosChanging16( wndPtr, MapSL(lParam) );
 684         break;
 685
 686     case WM_WINDOWPOSCHANGED:
 687         {
 688             WINDOWPOS16 * winPos = MapSL(lParam);
 689             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 690         }
 691         break;
 692
 693     case WM_GETTEXTLENGTH:
 694         if (wndPtr->text)
 695             result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
 696                                           NULL, 0, NULL, NULL );
 697         break;
 698
 699     case WM_GETTEXT:
 700         if (wParam && wndPtr->text)
 701         {
 702             LPSTR dest = MapSL(lParam);
 703             if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1, dest, wParam, NULL, NULL ))
 704                 dest[wParam-1] = 0;
 705             result = strlen(dest);
 706         }
 707         break;
 708
 709     case WM_SETTEXT:
 710         DEFWND_SetTextA( wndPtr, MapSL(lParam) );
 711         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 712             NC_HandleNCPaint( hwnd , (HRGN)1 );
 713         result = 1; /* success. FIXME: check text length */
 714         break;
 715
 716     default:
 717         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam, FALSE );
 718         break;
 719     }
 720
 721     WIN_ReleaseWndPtr(wndPtr);
 722     SPY_ExitMessage( SPY_RESULT_DEFWND16, hwnd, msg, result, wParam, lParam );
 723     return result;
 724 }
 725
 726
 727 /***********************************************************************
 728  *              DefWindowProcA (USER32.@)
 729  *
 730  */
 731 LRESULT WINAPI DefWindowProcA( HWND hwnd, UINT msg, WPARAM wParam,
 732                                  LPARAM lParam )
 733 {
 734     WND * wndPtr = WIN_FindWndPtr( hwnd );
 735     LRESULT result = 0;
 736
 737     if (!wndPtr) return 0;
 738     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 739
 740     switch(msg)
 741     {
 742     case WM_NCCREATE:
 743         {
 744             CREATESTRUCTA *cs = (CREATESTRUCTA *)lParam;
 745             /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
 746              * may have child window IDs instead of window name */
 747             if (HIWORD(cs->lpszName))
 748                 DEFWND_SetTextA( wndPtr, cs->lpszName );
 749             result = 1;
 750         }
 751         break;
 752
 753     case WM_NCCALCSIZE:
 754         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 755         break;
 756
 757     case WM_WINDOWPOSCHANGING:
 758         result = WINPOS_HandleWindowPosChanging( wndPtr,
 759                                                    (WINDOWPOS *)lParam );
 760         break;
 761
 762     case WM_WINDOWPOSCHANGED:
 763         {
 764             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 765             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 766         }
 767         break;
 768
 769     case WM_GETTEXTLENGTH:
 770         if (wndPtr->text)
 771             result = WideCharToMultiByte( CP_ACP, 0, wndPtr->text, strlenW(wndPtr->text),
 772                                           NULL, 0, NULL, NULL );
 773         break;
 774
 775     case WM_GETTEXT:
 776         if (wParam && wndPtr->text)
 777         {
 778             if (!WideCharToMultiByte( CP_ACP, 0, wndPtr->text, -1,
 779                                       (LPSTR)lParam, wParam, NULL, NULL ))
 780                 ((LPSTR)lParam)[wParam-1] = 0;
 781             result = (LRESULT)strlen( (LPSTR)lParam );
 782         }
 783         break;
 784
 785     case WM_SETTEXT:
 786         DEFWND_SetTextA( wndPtr, (LPCSTR)lParam );
 787         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 788             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 789         result = 1; /* success. FIXME: check text length */
 790         break;
 791
 792     /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
 793     case WM_IME_CHAR:
 794         {
 795             CHAR    chChar1 = (CHAR)( (wParam>>8) & 0xff );
 796             CHAR    chChar2 = (CHAR)( wParam & 0xff );
 797
 798             SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar1, lParam );
 799             if ( IsDBCSLeadByte( chChar1 ) )
 800                 SendMessageA( hwnd, WM_CHAR, (WPARAM)chChar2, lParam );
 801         }
 802         break;
 803     case WM_IME_KEYDOWN:
 804         result = SendMessageA( hwnd, WM_KEYDOWN, wParam, lParam );
 805         break;
 806     case WM_IME_KEYUP:
 807         result = SendMessageA( hwnd, WM_KEYUP, wParam, lParam );
 808         break;
 809
 810     case WM_IME_STARTCOMPOSITION:
 811     case WM_IME_COMPOSITION:
 812     case WM_IME_ENDCOMPOSITION:
 813     case WM_IME_SELECT:
 814         {
 815             HWND hwndIME;
 816
 817             hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
 818             if (hwndIME)
 819                 result = SendMessageA( hwndIME, msg, wParam, lParam );
 820         }
 821         break;
 822     case WM_IME_SETCONTEXT:
 823         {
 824             HWND hwndIME;
 825
 826             hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
 827             if (hwndIME)
 828                 result = DEFWND_ImmIsUIMessageA( hwndIME, msg, wParam, lParam );
 829         }
 830         break;
 831
 832     default:
 833         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam, FALSE );
 834         break;
 835     }
 836
 837     WIN_ReleaseWndPtr(wndPtr);
 838     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 839     return result;
 840 }
 841
 842
 843 /***********************************************************************
 844  *              DefWindowProcW (USER32.@) Calls default window message handler
 845  *
 846  * Calls default window procedure for messages not processed
 847  *  by application.
 848  *
 849  *  RETURNS
 850  *     Return value is dependent upon the message.
 851 */
 852 LRESULT WINAPI DefWindowProcW(
 853     HWND hwnd,      /* [in] window procedure receiving message */
 854     UINT msg,       /* [in] message identifier */
 855     WPARAM wParam,  /* [in] first message parameter */
 856     LPARAM lParam )   /* [in] second message parameter */
 857 {
 858     WND * wndPtr = WIN_FindWndPtr( hwnd );
 859     LRESULT result = 0;
 860
 861     if (!wndPtr) return 0;
 862     SPY_EnterMessage( SPY_DEFWNDPROC, hwnd, msg, wParam, lParam );
 863
 864     switch(msg)
 865     {
 866     case WM_NCCREATE:
 867         {
 868             CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam;
 869             /* check for string, as static icons, bitmaps (SS_ICON, SS_BITMAP)
 870              * may have child window IDs instead of window name */
 871             if (HIWORD(cs->lpszName))
 872                 DEFWND_SetTextW( wndPtr, cs->lpszName );
 873             result = 1;
 874         }
 875         break;
 876
 877     case WM_NCCALCSIZE:
 878         result = NC_HandleNCCalcSize( wndPtr, (RECT *)lParam );
 879         break;
 880
 881     case WM_WINDOWPOSCHANGING:
 882         result = WINPOS_HandleWindowPosChanging( wndPtr,
 883                                                    (WINDOWPOS *)lParam );
 884         break;
 885
 886     case WM_WINDOWPOSCHANGED:
 887         {
 888             WINDOWPOS * winPos = (WINDOWPOS *)lParam;
 889             DEFWND_HandleWindowPosChanged( wndPtr, winPos->flags );
 890         }
 891         break;
 892
 893     case WM_GETTEXTLENGTH:
 894         if (wndPtr->text) result = (LRESULT)strlenW(wndPtr->text);
 895         break;
 896
 897     case WM_GETTEXT:
 898         if (wParam && wndPtr->text)
 899         {
 900             lstrcpynW( (LPWSTR)lParam, wndPtr->text, wParam );
 901             result = strlenW( (LPWSTR)lParam );
 902         }
 903         break;
 904
 905     case WM_SETTEXT:
 906         DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam );
 907         if( (wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION )
 908             NC_HandleNCPaint( hwnd , (HRGN)1 );  /* Repaint caption */
 909         result = 1; /* success. FIXME: check text length */
 910         break;
 911
 912     /* for far east users (IMM32) - <hidenori@a2.ctktv.ne.jp> */
 913     case WM_IME_CHAR:
 914         SendMessageW( hwnd, WM_CHAR, wParam, lParam );
 915         break;
 916     case WM_IME_SETCONTEXT:
 917         {
 918             HWND hwndIME;
 919
 920             hwndIME = DEFWND_ImmGetDefaultIMEWnd( hwnd );
 921             if (hwndIME)
 922                 result = DEFWND_ImmIsUIMessageW( hwndIME, msg, wParam, lParam );
 923         }
 924         break;
 925
 926     default:
 927         result = DEFWND_DefWinProc( wndPtr, msg, wParam, lParam, TRUE );
 928         break;
 929     }
 930     WIN_ReleaseWndPtr(wndPtr);
 931     SPY_ExitMessage( SPY_RESULT_DEFWND, hwnd, msg, result, wParam, lParam );
 932     return result;
 933 }