windows/nonclient.c

   1 /*
   2  * Non-client area window functions
   3  *
   4  * Copyright 1994 Alexandre Julliard
   5  *
   6  */
   7
   8 #include "win.h"
   9 #include "class.h"
  10 #include "message.h"
  11 #include "sysmetrics.h"
  12 #include "user.h"
  13 #include "shell.h"
  14 #include "dialog.h"
  15 #include "syscolor.h"
  16 #include "menu.h"
  17 #include "winpos.h"
  18 #include "scroll.h"
  19 #include "nonclient.h"
  20 #include "graphics.h"
  21 #include "selectors.h"
  22 #include "stackframe.h"
  23 #include "stddebug.h"
  24 /* #define DEBUG_NONCLIENT */
  25 #include "debug.h"
  26 #include "options.h"
  27
  28
  29 static HBITMAP hbitmapClose = 0;
  30 static HBITMAP hbitmapMinimize = 0;
  31 static HBITMAP hbitmapMinimizeD = 0;
  32 static HBITMAP hbitmapMaximize = 0;
  33 static HBITMAP hbitmapMaximizeD = 0;
  34 static HBITMAP hbitmapRestore = 0;
  35 static HBITMAP hbitmapRestoreD = 0;
  36
  37 #define SC_ABOUTWINE            (SC_SCREENSAVE+1)
  38
  39   /* Some useful macros */
  40 #define HAS_DLGFRAME(style,exStyle) \
  41     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  42      (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
  43
  44 #define HAS_THICKFRAME(style) \
  45     (((style) & WS_THICKFRAME) && \
  46      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  47
  48 #define HAS_MENU(w)  (!((w)->dwStyle & WS_CHILD) && ((w)->wIDmenu != 0))
  49
  50 #define ON_LEFT_BORDER(hit) \
  51  (((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
  52 #define ON_RIGHT_BORDER(hit) \
  53  (((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
  54 #define ON_TOP_BORDER(hit) \
  55  (((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
  56 #define ON_BOTTOM_BORDER(hit) \
  57  (((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
  58
  59 /***********************************************************************
  60  *           NC_AdjustRect
  61  *
  62  * Compute the size of the window rectangle from the size of the
  63  * client rectangle.
  64  */
  65 static void NC_AdjustRect( LPRECT rect, DWORD style, BOOL menu, DWORD exStyle )
  66 {
  67     if (style & WS_ICONIC) return;  /* Nothing to change for an icon */
  68
  69     /* Decide if the window will be managed (see CreateWindowEx) */
  70     if (!(Options.managed && ((style & (WS_DLGFRAME | WS_THICKFRAME)) ||
  71           (exStyle & WS_EX_DLGMODALFRAME))))
  72     {
  73         if (HAS_DLGFRAME( style, exStyle ))
  74             InflateRect( rect, SYSMETRICS_CXDLGFRAME, SYSMETRICS_CYDLGFRAME );
  75         else
  76         {
  77             if (HAS_THICKFRAME(style))
  78                 InflateRect( rect, SYSMETRICS_CXFRAME, SYSMETRICS_CYFRAME );
  79             if (style & WS_BORDER)
  80                 InflateRect( rect, SYSMETRICS_CXBORDER, SYSMETRICS_CYBORDER );
  81         }
  82
  83         if ((style & WS_CAPTION) == WS_CAPTION)
  84             rect->top -= SYSMETRICS_CYCAPTION - SYSMETRICS_CYBORDER;
  85     }
  86     if (menu) rect->top -= SYSMETRICS_CYMENU + SYSMETRICS_CYBORDER;
  87
  88     if (style & WS_VSCROLL) rect->right  += SYSMETRICS_CXVSCROLL;
  89     if (style & WS_HSCROLL) rect->bottom += SYSMETRICS_CYHSCROLL;
  90 }
  91
  92
  93 /***********************************************************************
  94  *           AdjustWindowRect    (USER.102)
  95  */
  96 BOOL AdjustWindowRect( LPRECT rect, DWORD style, BOOL menu )
  97 {
  98     return AdjustWindowRectEx( rect, style, menu, 0 );
  99 }
 100
 101
 102 /***********************************************************************
 103  *           AdjustWindowRectEx    (USER.454)
 104  */
 105 BOOL AdjustWindowRectEx( LPRECT rect, DWORD style, BOOL menu, DWORD exStyle )
 106 {
 107       /* Correct the window style */
 108
 109     if (!(style & (WS_POPUP | WS_CHILD)))  /* Overlapped window */
 110         style |= WS_CAPTION;
 111     if (exStyle & WS_EX_DLGMODALFRAME) style &= ~WS_THICKFRAME;
 112
 113     dprintf_nonclient(stddeb, "AdjustWindowRectEx: (%ld,%ld)-(%ld,%ld) %08lx %d %08lx\n",
 114       (LONG)rect->left, (LONG)rect->top, (LONG)rect->right, (LONG)rect->bottom,
 115       style, menu, exStyle );
 116
 117     NC_AdjustRect( rect, style, menu, exStyle );
 118     return TRUE;
 119 }
 120
 121
 122 /*******************************************************************
 123  *         NC_GetMinMaxInfo
 124  *
 125  * Get the minimized and maximized information for a window.
 126  */
 127 void NC_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
 128                        POINT *minTrack, POINT *maxTrack )
 129 {
 130     MINMAXINFO MinMax;
 131     short xinc, yinc;
 132     WND *wndPtr = WIN_FindWndPtr( hwnd );
 133
 134       /* Compute default values */
 135
 136     MinMax.ptMaxSize.x = SYSMETRICS_CXSCREEN;
 137     MinMax.ptMaxSize.y = SYSMETRICS_CYSCREEN;
 138     MinMax.ptMinTrackSize.x = SYSMETRICS_CXMINTRACK;
 139     MinMax.ptMinTrackSize.y = SYSMETRICS_CYMINTRACK;
 140     MinMax.ptMaxTrackSize.x = SYSMETRICS_CXSCREEN;
 141     MinMax.ptMaxTrackSize.y = SYSMETRICS_CYSCREEN;
 142
 143     if (wndPtr->flags & WIN_MANAGED) xinc = yinc = 0;
 144     else if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 145     {
 146         xinc = SYSMETRICS_CXDLGFRAME;
 147         yinc = SYSMETRICS_CYDLGFRAME;
 148     }
 149     else
 150     {
 151         xinc = yinc = 0;
 152         if (HAS_THICKFRAME(wndPtr->dwStyle))
 153         {
 154             xinc += SYSMETRICS_CXFRAME;
 155             yinc += SYSMETRICS_CYFRAME;
 156         }
 157         if (wndPtr->dwStyle & WS_BORDER)
 158         {
 159             xinc += SYSMETRICS_CXBORDER;
 160             yinc += SYSMETRICS_CYBORDER;
 161         }
 162     }
 163     MinMax.ptMaxSize.x += 2 * xinc;
 164     MinMax.ptMaxSize.y += 2 * yinc;
 165
 166     /* Note: The '+' in the following test should really be a ||, but
 167      * that would cause gcc-2.7.0 to generate incorrect code.
 168      */
 169     if ((wndPtr->ptMaxPos.x != -1) + (wndPtr->ptMaxPos.y != -1))
 170         MinMax.ptMaxPosition = wndPtr->ptMaxPos;
 171     else
 172     {
 173         MinMax.ptMaxPosition.x = -xinc;
 174         MinMax.ptMaxPosition.y = -yinc;
 175     }
 176
 177     SendMessage( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)MAKE_SEGPTR(&MinMax) );
 178
 179       /* Some sanity checks */
 180
 181     dprintf_nonclient(stddeb,
 182                       "NC_GetMinMaxInfo: %d %d / %d %d / %d %d / %d %d\n",
 183                       (int)MinMax.ptMaxSize.x,(int)MinMax.ptMaxSize.y,
 184                       (int)MinMax.ptMaxPosition.x,(int)MinMax.ptMaxPosition.y,
 185                       (int)MinMax.ptMaxTrackSize.x,(int)MinMax.ptMaxTrackSize.y,
 186                       (int)MinMax.ptMinTrackSize.x,(int)MinMax.ptMinTrackSize.y);
 187     MinMax.ptMaxTrackSize.x = MAX( MinMax.ptMaxTrackSize.x,
 188                                    MinMax.ptMinTrackSize.x );
 189     MinMax.ptMaxTrackSize.y = MAX( MinMax.ptMaxTrackSize.y,
 190                                    MinMax.ptMinTrackSize.y );
 191
 192     if (maxSize) *maxSize = MinMax.ptMaxSize;
 193     if (maxPos) *maxPos = MinMax.ptMaxPosition;
 194     if (minTrack) *minTrack = MinMax.ptMinTrackSize;
 195     if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
 196 }
 197
 198
 199 /***********************************************************************
 200  *           NC_HandleNCCalcSize
 201  *
 202  * Handle a WM_NCCALCSIZE message. Called from DefWindowProc().
 203  */
 204 LONG NC_HandleNCCalcSize( HWND hwnd, NCCALCSIZE_PARAMS *params )
 205 {
 206     RECT tmpRect = { 0, 0, 0, 0 };
 207     WND *wndPtr = WIN_FindWndPtr( hwnd );
 208
 209     if (!wndPtr) return 0;
 210     NC_AdjustRect( &tmpRect, wndPtr->dwStyle, FALSE, wndPtr->dwExStyle );
 211     params->rgrc[0].left   -= tmpRect.left;
 212     params->rgrc[0].top    -= tmpRect.top;
 213     params->rgrc[0].right  -= tmpRect.right;
 214     params->rgrc[0].bottom -= tmpRect.bottom;
 215
 216     if (HAS_MENU(wndPtr))
 217     {
 218         params->rgrc[0].top += MENU_GetMenuBarHeight( hwnd,
 219                                   params->rgrc[0].right - params->rgrc[0].left,
 220                                   -tmpRect.left, -tmpRect.top ) + 1;
 221     }
 222     return 0;
 223 }
 224
 225
 226 /***********************************************************************
 227  *           NC_GetInsideRect
 228  *
 229  * Get the 'inside' rectangle of a window, i.e. the whole window rectangle
 230  * but without the borders (if any).
 231  * The rectangle is in window coordinates (for drawing with GetWindowDC()).
 232  */
 233 void NC_GetInsideRect( HWND hwnd, RECT *rect )
 234 {
 235     WND * wndPtr = WIN_FindWndPtr( hwnd );
 236
 237     rect->top    = rect->left = 0;
 238     rect->right  = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
 239     rect->bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
 240
 241     if (wndPtr->dwStyle & WS_ICONIC) return;  /* No border to remove */
 242     if (wndPtr->flags & WIN_MANAGED) return;
 243
 244       /* Remove frame from rectangle */
 245     if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 246     {
 247         InflateRect( rect, -SYSMETRICS_CXDLGFRAME, -SYSMETRICS_CYDLGFRAME);
 248         if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) InflateRect( rect, -1, 0);
 249     }
 250     else
 251     {
 252         if (HAS_THICKFRAME( wndPtr->dwStyle ))
 253             InflateRect( rect, -SYSMETRICS_CXFRAME, -SYSMETRICS_CYFRAME );
 254         if (wndPtr->dwStyle & WS_BORDER)
 255             InflateRect( rect, -SYSMETRICS_CXBORDER, -SYSMETRICS_CYBORDER );
 256     }
 257 }
 258
 259
 260 /***********************************************************************
 261  *           NC_HandleNCHitTest
 262  *
 263  * Handle a WM_NCHITTEST message. Called from DefWindowProc().
 264  */
 265 LONG NC_HandleNCHitTest( HWND hwnd, POINT pt )
 266 {
 267     RECT rect;
 268     WND *wndPtr = WIN_FindWndPtr( hwnd );
 269     if (!wndPtr) return HTERROR;
 270
 271     dprintf_nonclient(stddeb, "NC_HandleNCHitTest: hwnd="NPFMT" pt=%ld,%ld\n",
 272                       hwnd, (LONG)pt.x, (LONG)pt.y );
 273
 274     GetWindowRect( hwnd, &rect );
 275     if (!PtInRect( &rect, pt )) return HTNOWHERE;
 276
 277     if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
 278
 279     if (!(wndPtr->flags & WIN_MANAGED))
 280     {
 281         /* Check borders */
 282         if (HAS_THICKFRAME( wndPtr->dwStyle ))
 283         {
 284             InflateRect( &rect, -SYSMETRICS_CXFRAME, -SYSMETRICS_CYFRAME );
 285             if (wndPtr->dwStyle & WS_BORDER)
 286                 InflateRect(&rect, -SYSMETRICS_CXBORDER, -SYSMETRICS_CYBORDER);
 287             if (!PtInRect( &rect, pt ))
 288             {
 289                 /* Check top sizing border */
 290                 if (pt.y < rect.top)
 291                 {
 292                     if (pt.x < rect.left+SYSMETRICS_CXSIZE) return HTTOPLEFT;
 293                     if (pt.x >= rect.right-SYSMETRICS_CXSIZE) return HTTOPRIGHT;
 294                     return HTTOP;
 295                 }
 296                 /* Check bottom sizing border */
 297                 if (pt.y >= rect.bottom)
 298                 {
 299                     if (pt.x < rect.left+SYSMETRICS_CXSIZE) return HTBOTTOMLEFT;
 300                     if (pt.x >= rect.right-SYSMETRICS_CXSIZE) return HTBOTTOMRIGHT;
 301                     return HTBOTTOM;
 302                 }
 303                 /* Check left sizing border */
 304                 if (pt.x < rect.left)
 305                 {
 306                     if (pt.y < rect.top+SYSMETRICS_CYSIZE) return HTTOPLEFT;
 307                     if (pt.y >= rect.bottom-SYSMETRICS_CYSIZE) return HTBOTTOMLEFT;
 308                     return HTLEFT;
 309                 }
 310                 /* Check right sizing border */
 311                 if (pt.x >= rect.right)
 312                 {
 313                     if (pt.y < rect.top+SYSMETRICS_CYSIZE) return HTTOPRIGHT;
 314                     if (pt.y >= rect.bottom-SYSMETRICS_CYSIZE) return HTBOTTOMRIGHT;
 315                     return HTRIGHT;
 316                 }
 317             }
 318         }
 319         else  /* No thick frame */
 320         {
 321             if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 322                 InflateRect(&rect, -SYSMETRICS_CXDLGFRAME, -SYSMETRICS_CYDLGFRAME);
 323             else if (wndPtr->dwStyle & WS_BORDER)
 324                 InflateRect(&rect, -SYSMETRICS_CXBORDER, -SYSMETRICS_CYBORDER);
 325             if (!PtInRect( &rect, pt )) return HTBORDER;
 326         }
 327
 328         /* Check caption */
 329
 330         if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION)
 331         {
 332             rect.top += SYSMETRICS_CYCAPTION - 1;
 333             if (!PtInRect( &rect, pt ))
 334             {
 335                 /* Check system menu */
 336                 if (wndPtr->dwStyle & WS_SYSMENU)
 337                     rect.left += SYSMETRICS_CXSIZE;
 338                 if (pt.x <= rect.left) return HTSYSMENU;
 339                 /* Check maximize box */
 340                 if (wndPtr->dwStyle & WS_MAXIMIZEBOX)
 341                     rect.right -= SYSMETRICS_CXSIZE + 1;
 342                 if (pt.x >= rect.right) return HTMAXBUTTON;
 343                 /* Check minimize box */
 344                 if (wndPtr->dwStyle & WS_MINIMIZEBOX)
 345                     rect.right -= SYSMETRICS_CXSIZE + 1;
 346                 if (pt.x >= rect.right) return HTMINBUTTON;
 347                 return HTCAPTION;
 348             }
 349         }
 350     }
 351
 352       /* Check client area */
 353
 354     ScreenToClient( hwnd, &pt );
 355     GetClientRect( hwnd, &rect );
 356     if (PtInRect( &rect, pt )) return HTCLIENT;
 357
 358       /* Check vertical scroll bar */
 359
 360     if (wndPtr->dwStyle & WS_VSCROLL)
 361     {
 362         rect.right += SYSMETRICS_CXVSCROLL;
 363         if (PtInRect( &rect, pt )) return HTVSCROLL;
 364     }
 365
 366       /* Check horizontal scroll bar */
 367
 368     if (wndPtr->dwStyle & WS_HSCROLL)
 369     {
 370         rect.bottom += SYSMETRICS_CYHSCROLL;
 371         if (PtInRect( &rect, pt ))
 372         {
 373               /* Check size box */
 374             if ((wndPtr->dwStyle & WS_VSCROLL) &&
 375                 (pt.x >= rect.right - SYSMETRICS_CXVSCROLL))
 376                 return HTSIZE;
 377             return HTHSCROLL;
 378         }
 379     }
 380
 381       /* Check menu bar */
 382
 383     if (HAS_MENU(wndPtr))
 384     {
 385         if ((pt.y < 0) && (pt.x >= 0) && (pt.x < rect.right))
 386             return HTMENU;
 387     }
 388
 389       /* Should never get here */
 390     return HTERROR;
 391 }
 392
 393
 394 /***********************************************************************
 395  *           NC_DrawSysButton
 396  */
 397 void NC_DrawSysButton( HWND hwnd, HDC hdc, BOOL down )
 398 {
 399     RECT rect;
 400     HDC hdcMem;
 401     HBITMAP hbitmap;
 402     WND *wndPtr = WIN_FindWndPtr( hwnd );
 403
 404     NC_GetInsideRect( hwnd, &rect );
 405     hdcMem = CreateCompatibleDC( hdc );
 406     hbitmap = SelectObject( hdcMem, hbitmapClose );
 407     BitBlt( hdc, rect.left, rect.top, SYSMETRICS_CXSIZE, SYSMETRICS_CYSIZE,
 408             hdcMem, (wndPtr->dwStyle & WS_CHILD) ? SYSMETRICS_CXSIZE : 0, 0,
 409             down ? NOTSRCCOPY : SRCCOPY );
 410     SelectObject( hdcMem, hbitmap );
 411     DeleteDC( hdcMem );
 412 }
 413
 414
 415 /***********************************************************************
 416  *           NC_DrawMaxButton
 417  */
 418 static void NC_DrawMaxButton( HWND hwnd, HDC hdc, BOOL down )
 419 {
 420     RECT rect;
 421     NC_GetInsideRect( hwnd, &rect );
 422     GRAPH_DrawBitmap( hdc, (IsZoomed(hwnd) ?
 423                             (down ? hbitmapRestoreD : hbitmapRestore) :
 424                             (down ? hbitmapMaximizeD : hbitmapMaximize)),
 425                      rect.right - SYSMETRICS_CXSIZE - 1, rect.top,
 426                      0, 0, SYSMETRICS_CXSIZE+1, SYSMETRICS_CYSIZE );
 427 }
 428
 429
 430 /***********************************************************************
 431  *           NC_DrawMinButton
 432  */
 433 static void NC_DrawMinButton( HWND hwnd, HDC hdc, BOOL down )
 434 {
 435     RECT rect;
 436     WND *wndPtr = WIN_FindWndPtr( hwnd );
 437     NC_GetInsideRect( hwnd, &rect );
 438     if (wndPtr->dwStyle & WS_MAXIMIZEBOX) rect.right -= SYSMETRICS_CXSIZE + 1;
 439     GRAPH_DrawBitmap( hdc, (down ? hbitmapMinimizeD : hbitmapMinimize),
 440                      rect.right - SYSMETRICS_CXSIZE - 1, rect.top,
 441                      0, 0, SYSMETRICS_CXSIZE+1, SYSMETRICS_CYSIZE );
 442 }
 443
 444
 445 /***********************************************************************
 446  *           NC_DrawFrame
 447  *
 448  * Draw a window frame inside the given rectangle, and update the rectangle.
 449  * The correct pen for the frame must be selected in the DC.
 450  */
 451 static void NC_DrawFrame( HDC hdc, RECT *rect, BOOL dlgFrame, BOOL active )
 452 {
 453     short width, height, tmp;
 454
 455     if (dlgFrame)
 456     {
 457         width = SYSMETRICS_CXDLGFRAME - 1;
 458         height = SYSMETRICS_CYDLGFRAME - 1;
 459         SelectObject( hdc, active ? sysColorObjects.hbrushActiveCaption :
 460                                     sysColorObjects.hbrushInactiveCaption );
 461     }
 462     else
 463     {
 464         width = SYSMETRICS_CXFRAME - 1;
 465         height = SYSMETRICS_CYFRAME - 1;
 466         SelectObject( hdc, active ? sysColorObjects.hbrushActiveBorder :
 467                                     sysColorObjects.hbrushInactiveBorder );
 468     }
 469
 470       /* Draw frame */
 471     PatBlt( hdc, rect->left, rect->top,
 472             rect->right - rect->left, height, PATCOPY );
 473     PatBlt( hdc, rect->left, rect->top,
 474             width, rect->bottom - rect->top, PATCOPY );
 475     PatBlt( hdc, rect->left, rect->bottom,
 476             rect->right - rect->left, -height, PATCOPY );
 477     PatBlt( hdc, rect->right, rect->top,
 478             -width, rect->bottom - rect->top, PATCOPY );
 479
 480     if (dlgFrame)
 481     {
 482         InflateRect( rect, -width, -height );
 483         return;
 484     }
 485
 486       /* Draw inner rectangle */
 487     MoveTo( hdc, rect->left+width, rect->top+height );
 488     LineTo( hdc, rect->right-width-1, rect->top+height );
 489     LineTo( hdc, rect->right-width-1, rect->bottom-height-1 );
 490     LineTo( hdc, rect->left+width, rect->bottom-height-1 );
 491     LineTo( hdc, rect->left+width, rect->top+height );
 492
 493       /* Draw the decorations */
 494     tmp = rect->top + SYSMETRICS_CYFRAME + SYSMETRICS_CYSIZE;
 495     MoveTo( hdc, rect->left, tmp);
 496     LineTo( hdc, rect->left+width, tmp );
 497     MoveTo( hdc, rect->right-width-1, tmp );
 498     LineTo( hdc, rect->right-1, tmp );
 499
 500     tmp = rect->bottom - 1 - SYSMETRICS_CYFRAME - SYSMETRICS_CYSIZE;
 501     MoveTo( hdc, rect->left, tmp );
 502     LineTo( hdc, rect->left+width, tmp );
 503     MoveTo( hdc, rect->right-width-1, tmp );
 504     LineTo( hdc, rect->right-1, tmp );
 505
 506     tmp = rect->left + SYSMETRICS_CXFRAME + SYSMETRICS_CXSIZE;
 507     MoveTo( hdc, tmp, rect->top );
 508     LineTo( hdc, tmp, rect->top+height );
 509     MoveTo( hdc, tmp, rect->bottom-height-1 );
 510     LineTo( hdc, tmp, rect->bottom-1 );
 511
 512     tmp = rect->right - 1 - SYSMETRICS_CXFRAME - SYSMETRICS_CYSIZE;
 513     MoveTo( hdc, tmp, rect->top );
 514     LineTo( hdc, tmp, rect->top+height );
 515     MoveTo( hdc, tmp, rect->bottom-height-1 );
 516     LineTo( hdc, tmp, rect->bottom-1 );
 517
 518     InflateRect( rect, -width-1, -height-1 );
 519 }
 520
 521
 522 /***********************************************************************
 523  *           NC_DrawMovingFrame
 524  *
 525  * Draw the frame used when moving or resizing window.
 526  */
 527 static void NC_DrawMovingFrame( HDC hdc, RECT *rect, BOOL thickframe )
 528 {
 529     if (thickframe)
 530     {
 531         SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
 532         PatBlt( hdc, rect->left, rect->top,
 533                 rect->right - rect->left - SYSMETRICS_CXFRAME,
 534                 SYSMETRICS_CYFRAME, PATINVERT );
 535         PatBlt( hdc, rect->left, rect->top + SYSMETRICS_CYFRAME,
 536                 SYSMETRICS_CXFRAME,
 537                 rect->bottom - rect->top - SYSMETRICS_CYFRAME, PATINVERT );
 538         PatBlt( hdc, rect->left + SYSMETRICS_CXFRAME, rect->bottom,
 539                 rect->right - rect->left - SYSMETRICS_CXFRAME,
 540                 -SYSMETRICS_CYFRAME, PATINVERT );
 541         PatBlt( hdc, rect->right, rect->top, -SYSMETRICS_CXFRAME,
 542                 rect->bottom - rect->top - SYSMETRICS_CYFRAME, PATINVERT );
 543     }
 544     else DrawFocusRect( hdc, rect );
 545 }
 546
 547
 548 /***********************************************************************
 549  *           NC_DrawCaption
 550  *
 551  * Draw the window caption.
 552  * The correct pen for the window frame must be selected in the DC.
 553  */
 554 static void NC_DrawCaption( HDC hdc, RECT *rect, HWND hwnd,
 555                             DWORD style, BOOL active )
 556 {
 557     RECT r = *rect;
 558     WND * wndPtr = WIN_FindWndPtr( hwnd );
 559     char buffer[256];
 560
 561     if (!hbitmapClose)
 562     {
 563         if (!(hbitmapClose = LoadBitmap( 0, MAKEINTRESOURCE(OBM_CLOSE) )))
 564             return;
 565         hbitmapMinimize  = LoadBitmap( 0, MAKEINTRESOURCE(OBM_REDUCE) );
 566         hbitmapMinimizeD = LoadBitmap( 0, MAKEINTRESOURCE(OBM_REDUCED) );
 567         hbitmapMaximize  = LoadBitmap( 0, MAKEINTRESOURCE(OBM_ZOOM) );
 568         hbitmapMaximizeD = LoadBitmap( 0, MAKEINTRESOURCE(OBM_ZOOMD) );
 569         hbitmapRestore   = LoadBitmap( 0, MAKEINTRESOURCE(OBM_RESTORE) );
 570         hbitmapRestoreD  = LoadBitmap( 0, MAKEINTRESOURCE(OBM_RESTORED) );
 571     }
 572
 573     if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME)
 574     {
 575         HBRUSH hbrushOld = SelectObject( hdc, sysColorObjects.hbrushWindow );
 576         PatBlt( hdc, r.left, r.top, 1, r.bottom-r.top+1,PATCOPY );
 577         PatBlt( hdc, r.right-1, r.top, 1, r.bottom-r.top+1, PATCOPY );
 578         PatBlt( hdc, r.left, r.top-1, r.right-r.left, 1, PATCOPY );
 579         r.left++;
 580         r.right--;
 581         SelectObject( hdc, hbrushOld );
 582     }
 583
 584     MoveTo( hdc, r.left, r.bottom );
 585     LineTo( hdc, r.right-1, r.bottom );
 586
 587     if (style & WS_SYSMENU)
 588     {
 589         NC_DrawSysButton( hwnd, hdc, FALSE );
 590         r.left += SYSMETRICS_CXSIZE + 1;
 591         MoveTo( hdc, r.left - 1, r.top );
 592         LineTo( hdc, r.left - 1, r.bottom );
 593     }
 594     if (style & WS_MAXIMIZEBOX)
 595     {
 596         NC_DrawMaxButton( hwnd, hdc, FALSE );
 597         r.right -= SYSMETRICS_CXSIZE + 1;
 598     }
 599     if (style & WS_MINIMIZEBOX)
 600     {
 601         NC_DrawMinButton( hwnd, hdc, FALSE );
 602         r.right -= SYSMETRICS_CXSIZE + 1;
 603     }
 604
 605     FillRect( hdc, &r, active ? sysColorObjects.hbrushActiveCaption :
 606                                 sysColorObjects.hbrushInactiveCaption );
 607
 608     if (GetWindowText( hwnd, buffer, 256 ))
 609     {
 610         if (active) SetTextColor( hdc, GetSysColor( COLOR_CAPTIONTEXT ) );
 611         else SetTextColor( hdc, GetSysColor( COLOR_INACTIVECAPTIONTEXT ) );
 612         SetBkMode( hdc, TRANSPARENT );
 613         DrawText( hdc, buffer, -1, &r, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
 614     }
 615 }
 616
 617
 618 /***********************************************************************
 619  *           NC_DoNCPaint
 620  *
 621  * Paint the non-client area.
 622  */
 623 void NC_DoNCPaint( HWND hwnd, BOOL active, BOOL suppress_menupaint )
 624 {
 625     HDC hdc;
 626     RECT rect;
 627
 628     WND *wndPtr = WIN_FindWndPtr( hwnd );
 629
 630     dprintf_nonclient(stddeb, "NC_DoNCPaint: "NPFMT" %d\n", hwnd, active );
 631     if (!wndPtr || !(wndPtr->dwStyle & WS_VISIBLE)) return; /* Nothing to do */
 632
 633     if (!(hdc = GetDCEx( hwnd, 0, DCX_USESTYLE | DCX_WINDOW ))) return;
 634
 635     /*
 636      * If this is an icon, we don't want to do any more nonclient painting
 637      * of the window manager.
 638      * If there is a class icon to draw, draw it
 639      */
 640     if (IsIconic(hwnd))
 641     {
 642         HICON hIcon = WIN_CLASS_INFO(wndPtr).hIcon;
 643         if (hIcon)
 644         {
 645             SendMessage(hwnd, WM_ICONERASEBKGND, (WPARAM)hdc, 0);
 646             DrawIcon(hdc, 0, 0, hIcon);
 647         }
 648         ReleaseDC(hwnd, hdc);
 649         return;
 650     }
 651
 652     if (ExcludeVisRect( hdc, wndPtr->rectClient.left-wndPtr->rectWindow.left,
 653                         wndPtr->rectClient.top-wndPtr->rectWindow.top,
 654                         wndPtr->rectClient.right-wndPtr->rectWindow.left,
 655                         wndPtr->rectClient.bottom-wndPtr->rectWindow.top )
 656         == NULLREGION)
 657     {
 658         ReleaseDC( hwnd, hdc );
 659         return;
 660     }
 661
 662     rect.top = rect.left = 0;
 663     rect.right  = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
 664     rect.bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
 665
 666     SelectObject( hdc, sysColorObjects.hpenWindowFrame );
 667
 668     if (!(wndPtr->flags & WIN_MANAGED))
 669     {
 670         if ((wndPtr->dwStyle & WS_BORDER) || (wndPtr->dwStyle & WS_DLGFRAME) ||
 671             (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME))
 672         {
 673             MoveTo( hdc, 0, 0 );
 674             LineTo( hdc, rect.right-1, 0 );
 675             LineTo( hdc, rect.right-1, rect.bottom-1 );
 676             LineTo( hdc, 0, rect.bottom-1 );
 677             LineTo( hdc, 0, 0 );
 678             InflateRect( &rect, -1, -1 );
 679         }
 680
 681         if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 682             NC_DrawFrame( hdc, &rect, TRUE, active );
 683         else if (wndPtr->dwStyle & WS_THICKFRAME)
 684             NC_DrawFrame(hdc, &rect, FALSE, active );
 685
 686         if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION)
 687         {
 688             RECT r = rect;
 689             r.bottom = rect.top + SYSMETRICS_CYSIZE;
 690             rect.top += SYSMETRICS_CYSIZE + SYSMETRICS_CYBORDER;
 691             NC_DrawCaption( hdc, &r, hwnd, wndPtr->dwStyle, active );
 692         }
 693     }
 694
 695     if (HAS_MENU(wndPtr))
 696     {
 697         RECT r = rect;
 698         r.bottom = rect.top + SYSMETRICS_CYMENU;  /* default height */
 699         rect.top += MENU_DrawMenuBar( hdc, &r, hwnd, suppress_menupaint );
 700     }
 701
 702       /* Draw the scroll-bars */
 703
 704     if (wndPtr->dwStyle & WS_VSCROLL) SCROLL_DrawScrollBar(hwnd, hdc, SB_VERT);
 705     if (wndPtr->dwStyle & WS_HSCROLL) SCROLL_DrawScrollBar(hwnd, hdc, SB_HORZ);
 706
 707       /* Draw the "size-box" */
 708
 709     if ((wndPtr->dwStyle & WS_VSCROLL) && (wndPtr->dwStyle & WS_HSCROLL))
 710     {
 711         RECT r = rect;
 712         r.left = r.right - SYSMETRICS_CXVSCROLL + 1;
 713         r.top  = r.bottom - SYSMETRICS_CYHSCROLL + 1;
 714         FillRect( hdc, &r, sysColorObjects.hbrushScrollbar );
 715     }
 716
 717     ReleaseDC( hwnd, hdc );
 718 }
 719
 720
 721
 722 /***********************************************************************
 723  *           NC_HandleNCPaint
 724  *
 725  * Handle a WM_NCPAINT message. Called from DefWindowProc().
 726  */
 727 LONG NC_HandleNCPaint( HWND hwnd )
 728 {
 729     WND *wndPtr = WIN_FindWndPtr(hwnd);
 730
 731     NC_DoNCPaint( hwnd, wndPtr->flags & WIN_NCACTIVATED, FALSE );
 732     return 0;
 733 }
 734
 735
 736 /***********************************************************************
 737  *           NC_HandleNCActivate
 738  *
 739  * Handle a WM_NCACTIVATE message. Called from DefWindowProc().
 740  */
 741 LONG NC_HandleNCActivate( HWND hwnd, WPARAM wParam )
 742 {
 743     WND *wndPtr = WIN_FindWndPtr(hwnd);
 744
 745     if (wParam != 0) wndPtr->flags |= WIN_NCACTIVATED;
 746     else wndPtr->flags &= ~WIN_NCACTIVATED;
 747
 748     NC_DoNCPaint( hwnd, (wParam != 0), FALSE );
 749     return TRUE;
 750 }
 751
 752
 753 /***********************************************************************
 754  *           NC_HandleSetCursor
 755  *
 756  * Handle a WM_SETCURSOR message. Called from DefWindowProc().
 757  */
 758 LONG NC_HandleSetCursor( HWND hwnd, WPARAM wParam, LPARAM lParam )
 759 {
 760     if (hwnd != (HWND)wParam) return 0;  /* Don't set the cursor for child windows */
 761
 762     switch(LOWORD(lParam))
 763     {
 764     case HTERROR:
 765         {
 766             WORD msg = HIWORD( lParam );
 767             if ((msg == WM_LBUTTONDOWN) || (msg == WM_MBUTTONDOWN) ||
 768                 (msg == WM_RBUTTONDOWN))
 769                 MessageBeep(0);
 770         }
 771         break;
 772
 773     case HTCLIENT:
 774         {
 775             WND *wndPtr;
 776             CLASS *classPtr;
 777             if (!(wndPtr = WIN_FindWndPtr( hwnd ))) break;
 778             if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) break;
 779             if (classPtr->wc.hCursor)
 780             {
 781                 SetCursor( classPtr->wc.hCursor );
 782                 return TRUE;
 783             }
 784             else return FALSE;
 785         }
 786
 787     case HTLEFT:
 788     case HTRIGHT:
 789         return (LONG)SetCursor( LoadCursor( 0, IDC_SIZEWE ) );
 790
 791     case HTTOP:
 792     case HTBOTTOM:
 793         return (LONG)SetCursor( LoadCursor( 0, IDC_SIZENS ) );
 794
 795     case HTTOPLEFT:
 796     case HTBOTTOMRIGHT:
 797         return (LONG)SetCursor( LoadCursor( 0, IDC_SIZENWSE ) );
 798
 799     case HTTOPRIGHT:
 800     case HTBOTTOMLEFT:
 801         return (LONG)SetCursor( LoadCursor( 0, IDC_SIZENESW ) );
 802     }
 803
 804     /* Default cursor: arrow */
 805     return (LONG)SetCursor( LoadCursor( 0, IDC_ARROW ) );
 806 }
 807
 808
 809 /***********************************************************************
 810  *           NC_TrackSysMenu
 811  *
 812  * Track a mouse button press on the system menu.
 813  */
 814 static void NC_TrackSysMenu( HWND hwnd, HDC hdc, POINT pt )
 815 {
 816     RECT rect;
 817     WND *wndPtr = WIN_FindWndPtr( hwnd );
 818     int iconic = wndPtr->dwStyle & WS_MINIMIZE;
 819
 820     if (!(wndPtr->dwStyle & WS_SYSMENU)) return;
 821     /* If window has a menu, track the menu bar normally if it not minimized */
 822     if (HAS_MENU(wndPtr) && !iconic) MENU_TrackMouseMenuBar( hwnd, pt );
 823     else
 824     {
 825           /* Otherwise track the system menu like a normal popup menu */
 826         NC_GetInsideRect( hwnd, &rect );
 827         OffsetRect( &rect, wndPtr->rectWindow.left, wndPtr->rectWindow.top );
 828         if (wndPtr->dwStyle & WS_CHILD)
 829             ClientToScreen( wndPtr->hwndParent, (POINT *)&rect );
 830         rect.right = rect.left + SYSMETRICS_CXSIZE;
 831         rect.bottom = rect.top + SYSMETRICS_CYSIZE;
 832         if (!iconic) NC_DrawSysButton( hwnd, hdc, TRUE );
 833         TrackPopupMenu( wndPtr->hSysMenu, TPM_LEFTALIGN | TPM_LEFTBUTTON,
 834                         rect.left, rect.bottom, 0, hwnd, &rect );
 835         if (!iconic) NC_DrawSysButton( hwnd, hdc, FALSE );
 836     }
 837 }
 838
 839
 840 /***********************************************************************
 841  *           NC_StartSizeMove
 842  *
 843  * Initialisation of a move or resize, when initiatied from a menu choice.
 844  * Return hit test code for caption or sizing border.
 845  */
 846 static LONG NC_StartSizeMove( HWND hwnd, WPARAM wParam, POINT *capturePoint )
 847 {
 848     LONG hittest = 0;
 849     POINT pt;
 850     MSG msg;
 851     WND * wndPtr = WIN_FindWndPtr( hwnd );
 852
 853     if ((wParam & 0xfff0) == SC_MOVE)
 854     {
 855           /* Move pointer at the center of the caption */
 856         RECT rect;
 857         NC_GetInsideRect( hwnd, &rect );
 858         if (wndPtr->dwStyle & WS_SYSMENU)
 859             rect.left += SYSMETRICS_CXSIZE + 1;
 860         if (wndPtr->dwStyle & WS_MINIMIZEBOX)
 861             rect.right -= SYSMETRICS_CXSIZE + 1;
 862         if (wndPtr->dwStyle & WS_MAXIMIZEBOX)
 863             rect.right -= SYSMETRICS_CXSIZE + 1;
 864         pt.x = wndPtr->rectWindow.left + (rect.right - rect.left) / 2;
 865         pt.y = wndPtr->rectWindow.top + rect.top + SYSMETRICS_CYSIZE/2;
 866         if (wndPtr->dwStyle & WS_CHILD)
 867             ClientToScreen( wndPtr->hwndParent, &pt );
 868         hittest = HTCAPTION;
 869     }
 870     else  /* SC_SIZE */
 871     {
 872         SetCapture(hwnd);
 873         while(!hittest)
 874         {
 875             MSG_GetHardwareMessage( &msg );
 876             switch(msg.message)
 877             {
 878             case WM_MOUSEMOVE:
 879                 hittest = NC_HandleNCHitTest( hwnd, msg.pt );
 880                 pt = msg.pt;
 881                 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT))
 882                     hittest = 0;
 883                 break;
 884
 885             case WM_LBUTTONUP:
 886                 return 0;
 887
 888             case WM_KEYDOWN:
 889                 switch(msg.wParam)
 890                 {
 891                 case VK_UP:
 892                     hittest = HTTOP;
 893                     pt.x =(wndPtr->rectWindow.left+wndPtr->rectWindow.right)/2;
 894                     pt.y = wndPtr->rectWindow.top + SYSMETRICS_CYFRAME / 2;
 895                     break;
 896                 case VK_DOWN:
 897                     hittest = HTBOTTOM;
 898                     pt.x =(wndPtr->rectWindow.left+wndPtr->rectWindow.right)/2;
 899                     pt.y = wndPtr->rectWindow.bottom - SYSMETRICS_CYFRAME / 2;
 900                     break;
 901                 case VK_LEFT:
 902                     hittest = HTLEFT;
 903                     pt.x = wndPtr->rectWindow.left + SYSMETRICS_CXFRAME / 2;
 904                     pt.y =(wndPtr->rectWindow.top+wndPtr->rectWindow.bottom)/2;
 905                     break;
 906                 case VK_RIGHT:
 907                     hittest = HTRIGHT;
 908                     pt.x = wndPtr->rectWindow.right - SYSMETRICS_CXFRAME / 2;
 909                     pt.y =(wndPtr->rectWindow.top+wndPtr->rectWindow.bottom)/2;
 910                     break;
 911                 case VK_RETURN:
 912                 case VK_ESCAPE: return 0;
 913                 }
 914             }
 915         }
 916     }
 917     *capturePoint = pt;
 918     SetCursorPos( capturePoint->x, capturePoint->y );
 919     NC_HandleSetCursor( hwnd, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
 920     return hittest;
 921 }
 922
 923
 924 /***********************************************************************
 925  *           NC_DoSizeMove
 926  *
 927  * Perform SC_MOVE and SC_SIZE commands.
 928  */
 929 static void NC_DoSizeMove( HWND hwnd, WORD wParam, POINT pt )
 930 {
 931     MSG msg;
 932     LONG hittest;
 933     RECT sizingRect, mouseRect;
 934     HDC hdc;
 935     BOOL thickframe;
 936     POINT minTrack, maxTrack, capturePoint = pt;
 937     WND * wndPtr = WIN_FindWndPtr( hwnd );
 938     int moved = 0;
 939
 940     if (IsZoomed(hwnd) || !IsWindowVisible(hwnd) ||
 941         (wndPtr->flags & WIN_MANAGED)) return;
 942     hittest = wParam & 0x0f;
 943     thickframe = HAS_THICKFRAME( wndPtr->dwStyle );
 944
 945     if ((wParam & 0xfff0) == SC_MOVE)
 946     {
 947         if (!(wndPtr->dwStyle & WS_CAPTION)) return;
 948         if (!hittest) hittest = NC_StartSizeMove( hwnd, wParam, &capturePoint );
 949         if (!hittest) return;
 950     }
 951     else  /* SC_SIZE */
 952     {
 953         if (!thickframe) return;
 954         if (hittest) hittest += HTLEFT-1;
 955         else
 956         {
 957             SetCapture(hwnd);
 958             hittest = NC_StartSizeMove( hwnd, wParam, &capturePoint );
 959             if (!hittest)
 960             {
 961                 ReleaseCapture();
 962                 return;
 963             }
 964         }
 965     }
 966
 967       /* Get min/max info */
 968
 969     NC_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
 970     sizingRect = wndPtr->rectWindow;
 971     if (wndPtr->dwStyle & WS_CHILD)
 972         GetClientRect( wndPtr->hwndParent, &mouseRect );
 973     else SetRect( &mouseRect, 0, 0, SYSMETRICS_CXSCREEN, SYSMETRICS_CYSCREEN );
 974     if (ON_LEFT_BORDER(hittest))
 975     {
 976         mouseRect.left  = MAX( mouseRect.left, sizingRect.right-maxTrack.x );
 977         mouseRect.right = MIN( mouseRect.right, sizingRect.right-minTrack.x );
 978     }
 979     else if (ON_RIGHT_BORDER(hittest))
 980     {
 981         mouseRect.left  = MAX( mouseRect.left, sizingRect.left+minTrack.x );
 982         mouseRect.right = MIN( mouseRect.right, sizingRect.left+maxTrack.x );
 983     }
 984     if (ON_TOP_BORDER(hittest))
 985     {
 986         mouseRect.top    = MAX( mouseRect.top, sizingRect.bottom-maxTrack.y );
 987         mouseRect.bottom = MIN( mouseRect.bottom,sizingRect.bottom-minTrack.y);
 988     }
 989     else if (ON_BOTTOM_BORDER(hittest))
 990     {
 991         mouseRect.top    = MAX( mouseRect.top, sizingRect.top+minTrack.y );
 992         mouseRect.bottom = MIN( mouseRect.bottom, sizingRect.top+maxTrack.y );
 993     }
 994     SendMessage( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
 995
 996     if (GetCapture() != hwnd) SetCapture( hwnd );
 997
 998     if (wndPtr->dwStyle & WS_CHILD)
 999     {
1000           /* Retrieve a default cache DC (without using the window style) */
1001         hdc = GetDCEx( wndPtr->hwndParent, 0, DCX_CACHE );
1002     }
1003     else
1004     {  /* Grab the server only when moving top-level windows without desktop */
1005         hdc = GetDC( 0 );
1006         if (rootWindow == DefaultRootWindow(display)) XGrabServer( display );
1007     }
1008     NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
1009
1010     while(1)
1011     {
1012         int dx = 0, dy = 0;
1013
1014         MSG_GetHardwareMessage( &msg );
1015
1016           /* Exit on button-up, Return, or Esc */
1017         if ((msg.message == WM_LBUTTONUP) ||
1018             ((msg.message == WM_KEYDOWN) &&
1019              ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
1020
1021         if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
1022             continue;  /* We are not interested in other messages */
1023
1024         pt = msg.pt;
1025         if (wndPtr->dwStyle & WS_CHILD)
1026             ScreenToClient( wndPtr->hwndParent, &pt );
1027
1028
1029         if (msg.message == WM_KEYDOWN) switch(msg.wParam)
1030         {
1031             case VK_UP:    pt.y -= 8; break;
1032             case VK_DOWN:  pt.y += 8; break;
1033             case VK_LEFT:  pt.x -= 8; break;
1034             case VK_RIGHT: pt.x += 8; break;
1035         }
1036
1037         pt.x = MAX( pt.x, mouseRect.left );
1038         pt.x = MIN( pt.x, mouseRect.right );
1039         pt.y = MAX( pt.y, mouseRect.top );
1040         pt.y = MIN( pt.y, mouseRect.bottom );
1041
1042         dx = pt.x - capturePoint.x;
1043         dy = pt.y - capturePoint.y;
1044
1045         if (dx || dy)
1046         {
1047             moved = 1;
1048             if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
1049             else
1050             {
1051                 RECT newRect = sizingRect;
1052
1053                 if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
1054                 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
1055                 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
1056                 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
1057                 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
1058                 NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
1059                 NC_DrawMovingFrame( hdc, &newRect, thickframe );
1060                 capturePoint = pt;
1061                 sizingRect = newRect;
1062             }
1063         }
1064     }
1065
1066     NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
1067     ReleaseCapture();
1068
1069     if (wndPtr->dwStyle & WS_CHILD) ReleaseDC( wndPtr->hwndParent, hdc );
1070     else
1071     {
1072         ReleaseDC( 0, hdc );
1073         if (rootWindow == DefaultRootWindow(display)) XUngrabServer( display );
1074     }
1075     SendMessage( hwnd, WM_EXITSIZEMOVE, 0, 0 );
1076     SendMessage( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
1077
1078     /* Single click brings up the system menu */
1079
1080     if (!moved)
1081     {
1082         NC_TrackSysMenu( hwnd, hdc, pt );
1083         return;
1084     }
1085
1086       /* If Esc key, don't move the window */
1087     if ((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) return;
1088
1089     if (hittest != HTCAPTION)
1090         SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
1091                      sizingRect.right - sizingRect.left,
1092                      sizingRect.bottom - sizingRect.top,
1093                      SWP_NOACTIVATE | SWP_NOZORDER );
1094     else SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top, 0, 0,
1095                       SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER );
1096 }
1097
1098
1099 /***********************************************************************
1100  *           NC_TrackMinMaxBox
1101  *
1102  * Track a mouse button press on the minimize or maximize box.
1103  */
1104 static void NC_TrackMinMaxBox( HWND hwnd, WORD wParam )
1105 {
1106     MSG msg;
1107     HDC hdc = GetWindowDC( hwnd );
1108     BOOL pressed = TRUE;
1109
1110     SetCapture( hwnd );
1111     if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, TRUE );
1112     else NC_DrawMaxButton( hwnd, hdc, TRUE );
1113
1114     do
1115     {
1116         BOOL oldstate = pressed;
1117         MSG_GetHardwareMessage( &msg );
1118
1119         pressed = (NC_HandleNCHitTest( hwnd, msg.pt ) == wParam);
1120         if (pressed != oldstate)
1121         {
1122             if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, pressed );
1123             else NC_DrawMaxButton( hwnd, hdc, pressed );
1124         }
1125     } while (msg.message != WM_LBUTTONUP);
1126
1127     if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, FALSE );
1128     else NC_DrawMaxButton( hwnd, hdc, FALSE );
1129
1130     ReleaseCapture();
1131     ReleaseDC( hwnd, hdc );
1132     if (!pressed) return;
1133
1134     if (wParam == HTMINBUTTON)
1135         SendMessage( hwnd, WM_SYSCOMMAND, SC_MINIMIZE, *(LONG*)&msg.pt );
1136     else
1137         SendMessage( hwnd, WM_SYSCOMMAND,
1138                   IsZoomed(hwnd) ? SC_RESTORE : SC_MAXIMIZE, *(LONG*)&msg.pt );
1139 }
1140
1141
1142 /***********************************************************************
1143  *           NC_TrackScrollBar
1144  *
1145  * Track a mouse button press on the horizontal or vertical scroll-bar.
1146  */
1147 static void NC_TrackScrollBar( HWND hwnd, WORD wParam, POINT pt )
1148 {
1149     MSG msg;
1150     WORD scrollbar;
1151     WND *wndPtr = WIN_FindWndPtr( hwnd );
1152
1153     if ((wParam & 0xfff0) == SC_HSCROLL)
1154     {
1155         if ((wParam & 0x0f) != HTHSCROLL) return;
1156         scrollbar = SB_HORZ;
1157     }
1158     else  /* SC_VSCROLL */
1159     {
1160         if ((wParam & 0x0f) != HTVSCROLL) return;
1161         scrollbar = SB_VERT;
1162     }
1163
1164     pt.x -= wndPtr->rectWindow.left;
1165     pt.y -= wndPtr->rectWindow.top;
1166     SetCapture( hwnd );
1167     SCROLL_HandleScrollEvent( hwnd, scrollbar, WM_LBUTTONDOWN, pt );
1168
1169     do
1170     {
1171         GetMessage( MAKE_SEGPTR(&msg), 0, 0, 0 );
1172         switch(msg.message)
1173         {
1174         case WM_LBUTTONUP:
1175         case WM_MOUSEMOVE:
1176         case WM_SYSTIMER:
1177             pt.x = LOWORD(msg.lParam) + wndPtr->rectClient.left -
1178               wndPtr->rectWindow.left;
1179             pt.y = HIWORD(msg.lParam) + wndPtr->rectClient.top -
1180               wndPtr->rectWindow.top;
1181             SCROLL_HandleScrollEvent( hwnd, scrollbar, msg.message, pt );
1182             break;
1183         default:
1184             TranslateMessage( &msg );
1185             DispatchMessage( &msg );
1186             break;
1187         }
1188         if (!IsWindow( hwnd ))
1189         {
1190             ReleaseCapture();
1191             break;
1192         }
1193     } while (msg.message != WM_LBUTTONUP);
1194 }
1195
1196 /***********************************************************************
1197  *           NC_HandleNCLButtonDown
1198  *
1199  * Handle a WM_NCLBUTTONDOWN message. Called from DefWindowProc().
1200  */
1201 LONG NC_HandleNCLButtonDown( HWND hwnd, WPARAM wParam, LPARAM lParam )
1202 {
1203     HDC hdc = GetWindowDC( hwnd );
1204     POINT pt = { LOWORD(lParam), HIWORD(lParam) };
1205
1206     switch(wParam)  /* Hit test */
1207     {
1208     case HTCAPTION:
1209         SendMessage( hwnd, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, lParam );
1210         break;
1211
1212     case HTSYSMENU:
1213         NC_TrackSysMenu( hwnd, hdc, pt );
1214         break;
1215
1216     case HTMENU:
1217         SendMessage( hwnd, WM_SYSCOMMAND, SC_MOUSEMENU, lParam );
1218         break;
1219
1220     case HTHSCROLL:
1221         SendMessage( hwnd, WM_SYSCOMMAND, SC_HSCROLL + HTHSCROLL, lParam );
1222         break;
1223
1224     case HTVSCROLL:
1225         SendMessage( hwnd, WM_SYSCOMMAND, SC_VSCROLL + HTVSCROLL, lParam );
1226         break;
1227
1228     case HTMINBUTTON:
1229     case HTMAXBUTTON:
1230         NC_TrackMinMaxBox( hwnd, wParam );
1231         break;
1232
1233     case HTLEFT:
1234     case HTRIGHT:
1235     case HTTOP:
1236     case HTTOPLEFT:
1237     case HTTOPRIGHT:
1238     case HTBOTTOM:
1239     case HTBOTTOMLEFT:
1240     case HTBOTTOMRIGHT:
1241         SendMessage( hwnd, WM_SYSCOMMAND, SC_SIZE + wParam - HTLEFT+1, lParam);
1242         break;
1243
1244     case HTBORDER:
1245         break;
1246     }
1247
1248     ReleaseDC( hwnd, hdc );
1249     return 0;
1250 }
1251
1252
1253 /***********************************************************************
1254  *           NC_HandleNCLButtonDblClk
1255  *
1256  * Handle a WM_NCLBUTTONDBLCLK message. Called from DefWindowProc().
1257  */
1258 LONG NC_HandleNCLButtonDblClk( HWND hwnd, WPARAM wParam, LPARAM lParam )
1259 {
1260     /*
1261      * if this is an icon, send a restore since we are handling
1262      * a double click
1263      */
1264     if (IsIconic(hwnd))
1265     {
1266       SendMessage(hwnd, WM_SYSCOMMAND, SC_RESTORE, lParam);
1267       return 0;
1268     }
1269
1270     switch(wParam)  /* Hit test */
1271     {
1272     case HTCAPTION:
1273         /* stop processing if WS_MAXIMIZEBOX is missing */
1274
1275         if( GetWindowLong( hwnd , GWL_STYLE) & WS_MAXIMIZEBOX )
1276             SendMessage( hwnd, WM_SYSCOMMAND,
1277                          IsZoomed(hwnd) ? SC_RESTORE : SC_MAXIMIZE, lParam );
1278         break;
1279
1280     case HTSYSMENU:
1281         SendMessage( hwnd, WM_SYSCOMMAND, SC_CLOSE, lParam );
1282         break;
1283     }
1284     return 0;
1285 }
1286
1287
1288 /***********************************************************************
1289  *           NC_HandleSysCommand
1290  *
1291  * Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
1292  */
1293 LONG NC_HandleSysCommand( HWND hwnd, WPARAM wParam, POINT pt )
1294 {
1295     WND *wndPtr = WIN_FindWndPtr( hwnd );
1296
1297     dprintf_nonclient(stddeb, "Handling WM_SYSCOMMAND %lx %ld,%ld\n",
1298                       (DWORD)wParam, (LONG)pt.x, (LONG)pt.y );
1299
1300     if (wndPtr->dwStyle & WS_CHILD) ScreenToClient( wndPtr->hwndParent, &pt );
1301
1302     switch (wParam & 0xfff0)
1303     {
1304     case SC_SIZE:
1305     case SC_MOVE:
1306         NC_DoSizeMove( hwnd, wParam, pt );
1307         break;
1308
1309     case SC_MINIMIZE:
1310         ShowWindow( hwnd, SW_MINIMIZE );
1311         break;
1312
1313     case SC_MAXIMIZE:
1314         ShowWindow( hwnd, SW_MAXIMIZE );
1315         break;
1316
1317     case SC_RESTORE:
1318         ShowWindow( hwnd, SW_RESTORE );
1319         break;
1320
1321     case SC_NEXTWINDOW:
1322     case SC_PREVWINDOW:
1323         break;
1324
1325     case SC_CLOSE:
1326         return SendMessage( hwnd, WM_CLOSE, 0, 0 );
1327
1328     case SC_VSCROLL:
1329     case SC_HSCROLL:
1330         NC_TrackScrollBar( hwnd, wParam, pt );
1331         break;
1332
1333     case SC_MOUSEMENU:
1334         MENU_TrackMouseMenuBar( hwnd, pt );
1335         break;
1336
1337     case SC_KEYMENU:
1338         MENU_TrackKbdMenuBar( hwnd, wParam );
1339         break;
1340
1341     case SC_ARRANGE:
1342         break;
1343
1344     case SC_TASKLIST:
1345         WinExec( "taskman.exe", SW_SHOWNORMAL );
1346         break;
1347
1348     case SC_HOTKEY:
1349         break;
1350
1351     case SC_SCREENSAVE:
1352         if (wParam == SC_ABOUTWINE)
1353         {
1354           extern const char people[];
1355           ShellAbout(hwnd,"WINE",people,0);
1356         }
1357         break;
1358     }
1359     return 0;
1360 }