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 "message.h"
  10 #include "sysmetrics.h"
  11 #include "user.h"
  12 #include "heap.h"
  13 #include "shell.h"
  14 #include "dialog.h"
  15 #include "syscolor.h"
  16 #include "menu.h"
  17 #include "winpos.h"
  18 #include "hook.h"
  19 #include "scroll.h"
  20 #include "nonclient.h"
  21 #include "graphics.h"
  22 #include "queue.h"
  23 #include "selectors.h"
  24 #include "stddebug.h"
  25 #include "debug.h"
  26 #include "options.h"
  27
  28
  29 static HBITMAP16 hbitmapClose = 0;
  30 static HBITMAP16 hbitmapMinimize = 0;
  31 static HBITMAP16 hbitmapMinimizeD = 0;
  32 static HBITMAP16 hbitmapMaximize = 0;
  33 static HBITMAP16 hbitmapMaximizeD = 0;
  34 static HBITMAP16 hbitmapRestore = 0;
  35 static HBITMAP16 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 extern HCURSOR16 CURSORICON_IconToCursor( HICON16, BOOL32 );
  60
  61 /***********************************************************************
  62  *           NC_AdjustRect
  63  *
  64  * Compute the size of the window rectangle from the size of the
  65  * client rectangle.
  66  */
  67 static void NC_AdjustRect(LPRECT16 rect, DWORD style, BOOL menu, DWORD exStyle)
  68 {
  69     if(style & WS_ICONIC) return;
  70     /* Decide if the window will be managed (see CreateWindowEx) */
  71     if (!(Options.managed && !(style & WS_CHILD) &&
  72           ((style & (WS_DLGFRAME | WS_THICKFRAME)) ||
  73            (exStyle & WS_EX_DLGMODALFRAME))))
  74     {
  75         if (HAS_DLGFRAME( style, exStyle ))
  76             InflateRect16(rect, SYSMETRICS_CXDLGFRAME, SYSMETRICS_CYDLGFRAME );
  77         else
  78         {
  79             if (HAS_THICKFRAME(style))
  80                 InflateRect16( rect, SYSMETRICS_CXFRAME, SYSMETRICS_CYFRAME );
  81             if (style & WS_BORDER)
  82                 InflateRect16( rect, SYSMETRICS_CXBORDER, SYSMETRICS_CYBORDER);
  83         }
  84
  85         if ((style & WS_CAPTION) == WS_CAPTION)
  86             rect->top -= SYSMETRICS_CYCAPTION - SYSMETRICS_CYBORDER;
  87     }
  88     if (menu) rect->top -= SYSMETRICS_CYMENU + SYSMETRICS_CYBORDER;
  89
  90     if (style & WS_VSCROLL) rect->right  += SYSMETRICS_CXVSCROLL;
  91     if (style & WS_HSCROLL) rect->bottom += SYSMETRICS_CYHSCROLL;
  92 }
  93
  94
  95 /***********************************************************************
  96  *           AdjustWindowRect16    (USER.102)
  97  */
  98 BOOL16 AdjustWindowRect16( LPRECT16 rect, DWORD style, BOOL16 menu )
  99 {
 100     return AdjustWindowRectEx16( rect, style, menu, 0 );
 101 }
 102
 103
 104 /***********************************************************************
 105  *           AdjustWindowRect32    (USER32.)
 106  */
 107 BOOL32 AdjustWindowRect32( LPRECT32 rect, DWORD style, BOOL32 menu )
 108 {
 109     return AdjustWindowRectEx32( rect, style, menu, 0 );
 110 }
 111
 112
 113 /***********************************************************************
 114  *           AdjustWindowRectEx16    (USER.454)
 115  */
 116 BOOL16 AdjustWindowRectEx16( LPRECT16 rect, DWORD style,
 117                              BOOL16 menu, DWORD exStyle )
 118 {
 119       /* Correct the window style */
 120
 121     if (!(style & (WS_POPUP | WS_CHILD)))  /* Overlapped window */
 122         style |= WS_CAPTION;
 123     style &= (WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
 124     exStyle &= WS_EX_DLGMODALFRAME;
 125     if (exStyle & WS_EX_DLGMODALFRAME) style &= ~WS_THICKFRAME;
 126
 127     dprintf_nonclient(stddeb, "AdjustWindowRectEx: (%d,%d)-(%d,%d) %08lx %d %08lx\n",
 128                       rect->left, rect->top, rect->right, rect->bottom,
 129                       style, menu, exStyle );
 130
 131     NC_AdjustRect( rect, style, menu, exStyle );
 132     return TRUE;
 133 }
 134
 135
 136 /***********************************************************************
 137  *           AdjustWindowRectEx32    (USER32.)
 138  */
 139 BOOL32 AdjustWindowRectEx32( LPRECT32 rect, DWORD style,
 140                              BOOL32 menu, DWORD exStyle )
 141 {
 142     RECT16 rect16;
 143     BOOL32 ret;
 144
 145     CONV_RECT32TO16( rect, &rect16 );
 146     ret = AdjustWindowRectEx16( &rect16, style, (BOOL16)menu, exStyle );
 147     CONV_RECT16TO32( &rect16, rect );
 148     return ret;
 149 }
 150
 151
 152 /*******************************************************************
 153  *         NC_GetMinMaxInfo
 154  *
 155  * Get the minimized and maximized information for a window.
 156  */
 157 void NC_GetMinMaxInfo( WND *wndPtr, POINT16 *maxSize, POINT16 *maxPos,
 158                        POINT16 *minTrack, POINT16 *maxTrack )
 159 {
 160     MINMAXINFO16 *MinMax;
 161     short xinc, yinc;
 162
 163     if (!(MinMax = SEGPTR_NEW(MINMAXINFO16))) return;
 164
 165       /* Compute default values */
 166
 167     MinMax->ptMaxSize.x = SYSMETRICS_CXSCREEN;
 168     MinMax->ptMaxSize.y = SYSMETRICS_CYSCREEN;
 169     MinMax->ptMinTrackSize.x = SYSMETRICS_CXMINTRACK;
 170     MinMax->ptMinTrackSize.y = SYSMETRICS_CYMINTRACK;
 171     MinMax->ptMaxTrackSize.x = SYSMETRICS_CXSCREEN;
 172     MinMax->ptMaxTrackSize.y = SYSMETRICS_CYSCREEN;
 173
 174     if (wndPtr->flags & WIN_MANAGED) xinc = yinc = 0;
 175     else if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 176     {
 177         xinc = SYSMETRICS_CXDLGFRAME;
 178         yinc = SYSMETRICS_CYDLGFRAME;
 179     }
 180     else
 181     {
 182         xinc = yinc = 0;
 183         if (HAS_THICKFRAME(wndPtr->dwStyle))
 184         {
 185             xinc += SYSMETRICS_CXFRAME;
 186             yinc += SYSMETRICS_CYFRAME;
 187         }
 188         if (wndPtr->dwStyle & WS_BORDER)
 189         {
 190             xinc += SYSMETRICS_CXBORDER;
 191             yinc += SYSMETRICS_CYBORDER;
 192         }
 193     }
 194     MinMax->ptMaxSize.x += 2 * xinc;
 195     MinMax->ptMaxSize.y += 2 * yinc;
 196
 197     /* Note: The '+' in the following test should really be a ||, but
 198      * that would cause gcc-2.7.0 to generate incorrect code.
 199      */
 200     if ((wndPtr->ptMaxPos.x != -1) + (wndPtr->ptMaxPos.y != -1))
 201         MinMax->ptMaxPosition = wndPtr->ptMaxPos;
 202     else
 203     {
 204         MinMax->ptMaxPosition.x = -xinc;
 205         MinMax->ptMaxPosition.y = -yinc;
 206     }
 207
 208     SendMessage16( wndPtr->hwndSelf, WM_GETMINMAXINFO, 0,
 209                    (LPARAM)SEGPTR_GET(MinMax) );
 210
 211       /* Some sanity checks */
 212
 213     dprintf_nonclient(stddeb,
 214                       "NC_GetMinMaxInfo: %d %d / %d %d / %d %d / %d %d\n",
 215                       MinMax->ptMaxSize.x, MinMax->ptMaxSize.y,
 216                       MinMax->ptMaxPosition.x, MinMax->ptMaxPosition.y,
 217                       MinMax->ptMaxTrackSize.x, MinMax->ptMaxTrackSize.y,
 218                       MinMax->ptMinTrackSize.x, MinMax->ptMinTrackSize.y);
 219     MinMax->ptMaxTrackSize.x = MAX( MinMax->ptMaxTrackSize.x,
 220                                    MinMax->ptMinTrackSize.x );
 221     MinMax->ptMaxTrackSize.y = MAX( MinMax->ptMaxTrackSize.y,
 222                                    MinMax->ptMinTrackSize.y );
 223
 224     if (maxSize) *maxSize = MinMax->ptMaxSize;
 225     if (maxPos) *maxPos = MinMax->ptMaxPosition;
 226     if (minTrack) *minTrack = MinMax->ptMinTrackSize;
 227     if (maxTrack) *maxTrack = MinMax->ptMaxTrackSize;
 228     SEGPTR_FREE(MinMax);
 229 }
 230
 231
 232 /***********************************************************************
 233  *           NC_HandleNCCalcSize
 234  *
 235  * Handle a WM_NCCALCSIZE message. Called from DefWindowProc().
 236  */
 237 LONG NC_HandleNCCalcSize( WND *pWnd, RECT16 *winRect )
 238 {
 239     RECT16 tmpRect = { 0, 0, 0, 0 };
 240     LONG result = 0;
 241
 242     if (pWnd->class->style & CS_VREDRAW) result |= WVR_VREDRAW;
 243     if (pWnd->class->style & CS_HREDRAW) result |= WVR_HREDRAW;
 244
 245     if( !( pWnd->dwStyle & WS_MINIMIZE ) )
 246     {
 247       NC_AdjustRect( &tmpRect, pWnd->dwStyle, FALSE, pWnd->dwExStyle );
 248       winRect->left   -= tmpRect.left;
 249       winRect->top    -= tmpRect.top;
 250       winRect->right  -= tmpRect.right;
 251       winRect->bottom -= tmpRect.bottom;
 252
 253       if (HAS_MENU(pWnd))
 254       {
 255         winRect->top += MENU_GetMenuBarHeight( pWnd->hwndSelf,
 256                                                winRect->right - winRect->left,
 257                                               -tmpRect.left, -tmpRect.top ) + 1;
 258       }
 259     }
 260     return result;
 261 }
 262
 263
 264 /***********************************************************************
 265  *           NC_GetInsideRect
 266  *
 267  * Get the 'inside' rectangle of a window, i.e. the whole window rectangle
 268  * but without the borders (if any).
 269  * The rectangle is in window coordinates (for drawing with GetWindowDC()).
 270  */
 271 static void NC_GetInsideRect( HWND32 hwnd, RECT32 *rect )
 272 {
 273     WND * wndPtr = WIN_FindWndPtr( hwnd );
 274
 275     rect->top    = rect->left = 0;
 276     rect->right  = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
 277     rect->bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
 278
 279     if (wndPtr->dwStyle & WS_ICONIC) return;  /* No border to remove */
 280     if (wndPtr->flags & WIN_MANAGED) return;
 281
 282       /* Remove frame from rectangle */
 283     if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 284     {
 285         InflateRect32( rect, -SYSMETRICS_CXDLGFRAME, -SYSMETRICS_CYDLGFRAME);
 286         if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME)
 287             InflateRect32( rect, -1, 0 );
 288     }
 289     else
 290     {
 291         if (HAS_THICKFRAME( wndPtr->dwStyle ))
 292             InflateRect32( rect, -SYSMETRICS_CXFRAME, -SYSMETRICS_CYFRAME );
 293         if (wndPtr->dwStyle & WS_BORDER)
 294             InflateRect32( rect, -SYSMETRICS_CXBORDER, -SYSMETRICS_CYBORDER );
 295     }
 296 }
 297
 298
 299 /***********************************************************************
 300  *           NC_HandleNCHitTest
 301  *
 302  * Handle a WM_NCHITTEST message. Called from DefWindowProc().
 303  */
 304 LONG NC_HandleNCHitTest( HWND32 hwnd, POINT16 pt )
 305 {
 306     RECT16 rect;
 307     WND *wndPtr = WIN_FindWndPtr( hwnd );
 308     if (!wndPtr) return HTERROR;
 309
 310     dprintf_nonclient(stddeb, "NC_HandleNCHitTest: hwnd=%04x pt=%d,%d\n",
 311                       hwnd, pt.x, pt.y );
 312
 313     GetWindowRect16( hwnd, &rect );
 314     if (!PtInRect16( &rect, pt )) return HTNOWHERE;
 315
 316     if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
 317
 318     if (!(wndPtr->flags & WIN_MANAGED))
 319     {
 320         /* Check borders */
 321         if (HAS_THICKFRAME( wndPtr->dwStyle ))
 322         {
 323             InflateRect16( &rect, -SYSMETRICS_CXFRAME, -SYSMETRICS_CYFRAME );
 324             if (wndPtr->dwStyle & WS_BORDER)
 325                 InflateRect16(&rect,-SYSMETRICS_CXBORDER,-SYSMETRICS_CYBORDER);
 326             if (!PtInRect16( &rect, pt ))
 327             {
 328                 /* Check top sizing border */
 329                 if (pt.y < rect.top)
 330                 {
 331                     if (pt.x < rect.left+SYSMETRICS_CXSIZE) return HTTOPLEFT;
 332                     if (pt.x >= rect.right-SYSMETRICS_CXSIZE) return HTTOPRIGHT;
 333                     return HTTOP;
 334                 }
 335                 /* Check bottom sizing border */
 336                 if (pt.y >= rect.bottom)
 337                 {
 338                     if (pt.x < rect.left+SYSMETRICS_CXSIZE) return HTBOTTOMLEFT;
 339                     if (pt.x >= rect.right-SYSMETRICS_CXSIZE) return HTBOTTOMRIGHT;
 340                     return HTBOTTOM;
 341                 }
 342                 /* Check left sizing border */
 343                 if (pt.x < rect.left)
 344                 {
 345                     if (pt.y < rect.top+SYSMETRICS_CYSIZE) return HTTOPLEFT;
 346                     if (pt.y >= rect.bottom-SYSMETRICS_CYSIZE) return HTBOTTOMLEFT;
 347                     return HTLEFT;
 348                 }
 349                 /* Check right sizing border */
 350                 if (pt.x >= rect.right)
 351                 {
 352                     if (pt.y < rect.top+SYSMETRICS_CYSIZE) return HTTOPRIGHT;
 353                     if (pt.y >= rect.bottom-SYSMETRICS_CYSIZE) return HTBOTTOMRIGHT;
 354                     return HTRIGHT;
 355                 }
 356             }
 357         }
 358         else  /* No thick frame */
 359         {
 360             if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 361                 InflateRect16(&rect, -SYSMETRICS_CXDLGFRAME, -SYSMETRICS_CYDLGFRAME);
 362             else if (wndPtr->dwStyle & WS_BORDER)
 363                 InflateRect16(&rect, -SYSMETRICS_CXBORDER, -SYSMETRICS_CYBORDER);
 364             if (!PtInRect16( &rect, pt )) return HTBORDER;
 365         }
 366
 367         /* Check caption */
 368
 369         if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION)
 370         {
 371             rect.top += SYSMETRICS_CYCAPTION - 1;
 372             if (!PtInRect16( &rect, pt ))
 373             {
 374                 /* Check system menu */
 375                 if (wndPtr->dwStyle & WS_SYSMENU)
 376                     rect.left += SYSMETRICS_CXSIZE;
 377                 if (pt.x <= rect.left) return HTSYSMENU;
 378                 /* Check maximize box */
 379                 if (wndPtr->dwStyle & WS_MAXIMIZEBOX)
 380                     rect.right -= SYSMETRICS_CXSIZE + 1;
 381                 if (pt.x >= rect.right) return HTMAXBUTTON;
 382                 /* Check minimize box */
 383                 if (wndPtr->dwStyle & WS_MINIMIZEBOX)
 384                     rect.right -= SYSMETRICS_CXSIZE + 1;
 385                 if (pt.x >= rect.right) return HTMINBUTTON;
 386                 return HTCAPTION;
 387             }
 388         }
 389     }
 390
 391       /* Check client area */
 392
 393     ScreenToClient16( hwnd, &pt );
 394     GetClientRect16( hwnd, &rect );
 395     if (PtInRect16( &rect, pt )) return HTCLIENT;
 396
 397       /* Check vertical scroll bar */
 398
 399     if (wndPtr->dwStyle & WS_VSCROLL)
 400     {
 401         rect.right += SYSMETRICS_CXVSCROLL;
 402         if (PtInRect16( &rect, pt )) return HTVSCROLL;
 403     }
 404
 405       /* Check horizontal scroll bar */
 406
 407     if (wndPtr->dwStyle & WS_HSCROLL)
 408     {
 409         rect.bottom += SYSMETRICS_CYHSCROLL;
 410         if (PtInRect16( &rect, pt ))
 411         {
 412               /* Check size box */
 413             if ((wndPtr->dwStyle & WS_VSCROLL) &&
 414                 (pt.x >= rect.right - SYSMETRICS_CXVSCROLL))
 415                 return HTSIZE;
 416             return HTHSCROLL;
 417         }
 418     }
 419
 420       /* Check menu bar */
 421
 422     if (HAS_MENU(wndPtr))
 423     {
 424         if ((pt.y < 0) && (pt.x >= 0) && (pt.x < rect.right))
 425             return HTMENU;
 426     }
 427
 428       /* Should never get here */
 429     return HTERROR;
 430 }
 431
 432
 433 /***********************************************************************
 434  *           NC_DrawSysButton
 435  */
 436 void NC_DrawSysButton( HWND32 hwnd, HDC32 hdc, BOOL32 down )
 437 {
 438     RECT32 rect;
 439     HDC32 hdcMem;
 440     HBITMAP32 hbitmap;
 441     WND *wndPtr = WIN_FindWndPtr( hwnd );
 442
 443     if( !(wndPtr->flags & WIN_MANAGED) )
 444     {
 445       NC_GetInsideRect( hwnd, &rect );
 446       hdcMem = CreateCompatibleDC32( hdc );
 447       hbitmap = SelectObject32( hdcMem, hbitmapClose );
 448       BitBlt32(hdc, rect.left, rect.top, SYSMETRICS_CXSIZE, SYSMETRICS_CYSIZE,
 449                hdcMem, (wndPtr->dwStyle & WS_CHILD) ? SYSMETRICS_CXSIZE : 0, 0,
 450                down ? NOTSRCCOPY : SRCCOPY );
 451       SelectObject32( hdcMem, hbitmap );
 452       DeleteDC32( hdcMem );
 453     }
 454 }
 455
 456
 457 /***********************************************************************
 458  *           NC_DrawMaxButton
 459  */
 460 static void NC_DrawMaxButton( HWND32 hwnd, HDC16 hdc, BOOL down )
 461 {
 462     RECT32 rect;
 463     WND *wndPtr = WIN_FindWndPtr( hwnd );
 464
 465     if( !(wndPtr->flags & WIN_MANAGED) )
 466     {
 467       NC_GetInsideRect( hwnd, &rect );
 468       GRAPH_DrawBitmap( hdc, (IsZoomed32(hwnd) ?
 469                              (down ? hbitmapRestoreD : hbitmapRestore) :
 470                              (down ? hbitmapMaximizeD : hbitmapMaximize)),
 471                         rect.right - SYSMETRICS_CXSIZE - 1, rect.top,
 472                         0, 0, SYSMETRICS_CXSIZE+1, SYSMETRICS_CYSIZE );
 473     }
 474 }
 475
 476
 477 /***********************************************************************
 478  *           NC_DrawMinButton
 479  */
 480 static void NC_DrawMinButton( HWND32 hwnd, HDC16 hdc, BOOL down )
 481 {
 482     RECT32 rect;
 483     WND *wndPtr = WIN_FindWndPtr( hwnd );
 484
 485     if( !(wndPtr->flags & WIN_MANAGED) )
 486     {
 487       NC_GetInsideRect( hwnd, &rect );
 488       if (wndPtr->dwStyle & WS_MAXIMIZEBOX) rect.right -= SYSMETRICS_CXSIZE+1;
 489       GRAPH_DrawBitmap( hdc, (down ? hbitmapMinimizeD : hbitmapMinimize),
 490                         rect.right - SYSMETRICS_CXSIZE - 1, rect.top,
 491                         0, 0, SYSMETRICS_CXSIZE+1, SYSMETRICS_CYSIZE );
 492     }
 493 }
 494
 495
 496 /***********************************************************************
 497  *           NC_DrawFrame
 498  *
 499  * Draw a window frame inside the given rectangle, and update the rectangle.
 500  * The correct pen for the frame must be selected in the DC.
 501  */
 502 static void NC_DrawFrame( HDC16 hdc, RECT16 *rect, BOOL dlgFrame, BOOL active )
 503 {
 504     short width, height, tmp;
 505
 506     if (dlgFrame)
 507     {
 508         width = SYSMETRICS_CXDLGFRAME - 1;
 509         height = SYSMETRICS_CYDLGFRAME - 1;
 510         SelectObject32( hdc, active ? sysColorObjects.hbrushActiveCaption :
 511                                       sysColorObjects.hbrushInactiveCaption );
 512     }
 513     else
 514     {
 515         width = SYSMETRICS_CXFRAME - 1;
 516         height = SYSMETRICS_CYFRAME - 1;
 517         SelectObject32( hdc, active ? sysColorObjects.hbrushActiveBorder :
 518                                       sysColorObjects.hbrushInactiveBorder );
 519     }
 520
 521       /* Draw frame */
 522     PatBlt32( hdc, rect->left, rect->top,
 523               rect->right - rect->left, height, PATCOPY );
 524     PatBlt32( hdc, rect->left, rect->top,
 525               width, rect->bottom - rect->top, PATCOPY );
 526     PatBlt32( hdc, rect->left, rect->bottom,
 527               rect->right - rect->left, -height, PATCOPY );
 528     PatBlt32( hdc, rect->right, rect->top,
 529               -width, rect->bottom - rect->top, PATCOPY );
 530
 531     if (dlgFrame)
 532     {
 533         InflateRect16( rect, -width, -height );
 534         return;
 535     }
 536
 537       /* Draw inner rectangle */
 538     MoveTo( hdc, rect->left+width, rect->top+height );
 539     LineTo32( hdc, rect->right-width-1, rect->top+height );
 540     LineTo32( hdc, rect->right-width-1, rect->bottom-height-1 );
 541     LineTo32( hdc, rect->left+width, rect->bottom-height-1 );
 542     LineTo32( hdc, rect->left+width, rect->top+height );
 543
 544       /* Draw the decorations */
 545     tmp = rect->top + SYSMETRICS_CYFRAME + SYSMETRICS_CYSIZE;
 546     MoveTo( hdc, rect->left, tmp);
 547     LineTo32( hdc, rect->left+width, tmp );
 548     MoveTo( hdc, rect->right-width-1, tmp );
 549     LineTo32( hdc, rect->right-1, tmp );
 550
 551     tmp = rect->bottom - 1 - SYSMETRICS_CYFRAME - SYSMETRICS_CYSIZE;
 552     MoveTo( hdc, rect->left, tmp );
 553     LineTo32( hdc, rect->left+width, tmp );
 554     MoveTo( hdc, rect->right-width-1, tmp );
 555     LineTo32( hdc, rect->right-1, tmp );
 556
 557     tmp = rect->left + SYSMETRICS_CXFRAME + SYSMETRICS_CXSIZE;
 558     MoveTo( hdc, tmp, rect->top );
 559     LineTo32( hdc, tmp, rect->top+height );
 560     MoveTo( hdc, tmp, rect->bottom-height-1 );
 561     LineTo32( hdc, tmp, rect->bottom-1 );
 562
 563     tmp = rect->right - 1 - SYSMETRICS_CXFRAME - SYSMETRICS_CYSIZE;
 564     MoveTo( hdc, tmp, rect->top );
 565     LineTo32( hdc, tmp, rect->top+height );
 566     MoveTo( hdc, tmp, rect->bottom-height-1 );
 567     LineTo32( hdc, tmp, rect->bottom-1 );
 568
 569     InflateRect16( rect, -width-1, -height-1 );
 570 }
 571
 572
 573 /***********************************************************************
 574  *           NC_DrawMovingFrame
 575  *
 576  * Draw the frame used when moving or resizing window.
 577  */
 578 static void NC_DrawMovingFrame( HDC16 hdc, RECT16 *rect, BOOL thickframe )
 579 {
 580     if (thickframe) FastWindowFrame( hdc, rect, SYSMETRICS_CXFRAME,
 581                                      SYSMETRICS_CYFRAME, PATINVERT );
 582     else DrawFocusRect16( hdc, rect );
 583 }
 584
 585
 586 /***********************************************************************
 587  *           NC_DrawCaption
 588  *
 589  * Draw the window caption.
 590  * The correct pen for the window frame must be selected in the DC.
 591  */
 592 static void NC_DrawCaption( HDC16 hdc, RECT16 *rect, HWND32 hwnd,
 593                             DWORD style, BOOL active )
 594 {
 595     RECT16 r = *rect;
 596     WND * wndPtr = WIN_FindWndPtr( hwnd );
 597     char buffer[256];
 598
 599     if (wndPtr->flags & WIN_MANAGED) return;
 600
 601     if (!hbitmapClose)
 602     {
 603         if (!(hbitmapClose = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_CLOSE) )))
 604             return;
 605         hbitmapMinimize  = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_REDUCE) );
 606         hbitmapMinimizeD = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_REDUCED) );
 607         hbitmapMaximize  = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_ZOOM) );
 608         hbitmapMaximizeD = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_ZOOMD) );
 609         hbitmapRestore   = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_RESTORE) );
 610         hbitmapRestoreD  = LoadBitmap16( 0, MAKEINTRESOURCE(OBM_RESTORED) );
 611     }
 612
 613     if (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME)
 614     {
 615         HBRUSH32 hbrushOld = SelectObject32(hdc, sysColorObjects.hbrushWindow);
 616         PatBlt32( hdc, r.left, r.top, 1, r.bottom-r.top+1,PATCOPY );
 617         PatBlt32( hdc, r.right-1, r.top, 1, r.bottom-r.top+1, PATCOPY );
 618         PatBlt32( hdc, r.left, r.top-1, r.right-r.left, 1, PATCOPY );
 619         r.left++;
 620         r.right--;
 621         SelectObject32( hdc, hbrushOld );
 622     }
 623
 624     MoveTo( hdc, r.left, r.bottom );
 625     LineTo32( hdc, r.right-1, r.bottom );
 626
 627     if (style & WS_SYSMENU)
 628     {
 629         NC_DrawSysButton( hwnd, hdc, FALSE );
 630         r.left += SYSMETRICS_CXSIZE + 1;
 631         MoveTo( hdc, r.left - 1, r.top );
 632         LineTo32( hdc, r.left - 1, r.bottom );
 633     }
 634     if (style & WS_MAXIMIZEBOX)
 635     {
 636         NC_DrawMaxButton( hwnd, hdc, FALSE );
 637         r.right -= SYSMETRICS_CXSIZE + 1;
 638     }
 639     if (style & WS_MINIMIZEBOX)
 640     {
 641         NC_DrawMinButton( hwnd, hdc, FALSE );
 642         r.right -= SYSMETRICS_CXSIZE + 1;
 643     }
 644
 645     FillRect16( hdc, &r, active ? sysColorObjects.hbrushActiveCaption :
 646                                   sysColorObjects.hbrushInactiveCaption );
 647
 648     if (GetWindowText32A( hwnd, buffer, sizeof(buffer) ))
 649     {
 650         if (active) SetTextColor( hdc, GetSysColor32( COLOR_CAPTIONTEXT ) );
 651         else SetTextColor( hdc, GetSysColor32( COLOR_INACTIVECAPTIONTEXT ) );
 652         SetBkMode32( hdc, TRANSPARENT );
 653         DrawText16( hdc, buffer, -1, &r,
 654                     DT_SINGLELINE | DT_CENTER | DT_VCENTER | DT_NOPREFIX );
 655     }
 656 }
 657
 658
 659 /***********************************************************************
 660  *           NC_DoNCPaint
 661  *
 662  * Paint the non-client area. clip is currently unused.
 663  */
 664 void NC_DoNCPaint( HWND32 hwnd, HRGN32 clip, BOOL32 suppress_menupaint )
 665 {
 666     HDC32 hdc;
 667     RECT16 rect;
 668     BOOL32 active;
 669
 670     WND *wndPtr = WIN_FindWndPtr( hwnd );
 671
 672     if (!wndPtr || wndPtr->dwStyle & WS_MINIMIZE ||
 673         !WIN_IsWindowDrawable( wndPtr, 0 )) return; /* Nothing to do */
 674
 675     active  = wndPtr->flags & WIN_NCACTIVATED;
 676
 677     dprintf_nonclient(stddeb, "NC_DoNCPaint: %04x %d\n", hwnd, active );
 678
 679     if (!(hdc = GetDCEx32( hwnd, 0, DCX_USESTYLE | DCX_WINDOW ))) return;
 680
 681     if (ExcludeVisRect( hdc, wndPtr->rectClient.left-wndPtr->rectWindow.left,
 682                         wndPtr->rectClient.top-wndPtr->rectWindow.top,
 683                         wndPtr->rectClient.right-wndPtr->rectWindow.left,
 684                         wndPtr->rectClient.bottom-wndPtr->rectWindow.top )
 685         == NULLREGION)
 686     {
 687         ReleaseDC32( hwnd, hdc );
 688         return;
 689     }
 690
 691     rect.top = rect.left = 0;
 692     rect.right  = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
 693     rect.bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
 694
 695     SelectObject32( hdc, sysColorObjects.hpenWindowFrame );
 696
 697     if (!(wndPtr->flags & WIN_MANAGED))
 698     {
 699         if ((wndPtr->dwStyle & WS_BORDER) || (wndPtr->dwStyle & WS_DLGFRAME) ||
 700             (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME))
 701         {
 702             MoveTo( hdc, 0, 0 );
 703             LineTo32( hdc, rect.right-1, 0 );
 704             LineTo32( hdc, rect.right-1, rect.bottom-1 );
 705             LineTo32( hdc, 0, rect.bottom-1 );
 706             LineTo32( hdc, 0, 0 );
 707             InflateRect16( &rect, -1, -1 );
 708         }
 709
 710         if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 711             NC_DrawFrame( hdc, &rect, TRUE, active );
 712         else if (wndPtr->dwStyle & WS_THICKFRAME)
 713             NC_DrawFrame(hdc, &rect, FALSE, active );
 714
 715         if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION)
 716         {
 717             RECT16 r = rect;
 718             r.bottom = rect.top + SYSMETRICS_CYSIZE;
 719             rect.top += SYSMETRICS_CYSIZE + SYSMETRICS_CYBORDER;
 720             NC_DrawCaption( hdc, &r, hwnd, wndPtr->dwStyle, active );
 721         }
 722     }
 723
 724     if (HAS_MENU(wndPtr))
 725     {
 726         RECT32 r;
 727         CONV_RECT16TO32( &rect, &r );
 728         r.bottom = rect.top + SYSMETRICS_CYMENU;  /* default height */
 729         rect.top += MENU_DrawMenuBar( hdc, &r, hwnd, suppress_menupaint );
 730     }
 731
 732       /* Draw the scroll-bars */
 733
 734     if (wndPtr->dwStyle & WS_VSCROLL)
 735         SCROLL_DrawScrollBar( hwnd, hdc, SB_VERT, TRUE );
 736     if (wndPtr->dwStyle & WS_HSCROLL)
 737         SCROLL_DrawScrollBar( hwnd, hdc, SB_HORZ, TRUE );
 738
 739       /* Draw the "size-box" */
 740
 741     if ((wndPtr->dwStyle & WS_VSCROLL) && (wndPtr->dwStyle & WS_HSCROLL))
 742     {
 743         RECT16 r = rect;
 744         r.left = r.right - SYSMETRICS_CXVSCROLL + 1;
 745         r.top  = r.bottom - SYSMETRICS_CYHSCROLL + 1;
 746         FillRect16( hdc, &r, sysColorObjects.hbrushScrollbar );
 747     }
 748
 749     ReleaseDC32( hwnd, hdc );
 750 }
 751
 752
 753
 754 /***********************************************************************
 755  *           NC_HandleNCPaint
 756  *
 757  * Handle a WM_NCPAINT message. Called from DefWindowProc().
 758  */
 759 LONG NC_HandleNCPaint( HWND32 hwnd , HRGN32 clip)
 760 {
 761     NC_DoNCPaint( hwnd, clip, FALSE );
 762     return 0;
 763 }
 764
 765
 766 /***********************************************************************
 767  *           NC_HandleNCActivate
 768  *
 769  * Handle a WM_NCACTIVATE message. Called from DefWindowProc().
 770  */
 771 LONG NC_HandleNCActivate( WND *wndPtr, WPARAM16 wParam )
 772 {
 773     WORD wStateChange;
 774
 775     if( wParam ) wStateChange = !(wndPtr->flags & WIN_NCACTIVATED);
 776     else wStateChange = wndPtr->flags & WIN_NCACTIVATED;
 777
 778     if( wStateChange )
 779     {
 780       if (wParam) wndPtr->flags |= WIN_NCACTIVATED;
 781       else wndPtr->flags &= ~WIN_NCACTIVATED;
 782
 783       if( wndPtr->dwStyle & WS_MINIMIZE )
 784         PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, RDW_INVALIDATE | RDW_ERASE | RDW_ERASENOW, 0 );
 785       else
 786         NC_DoNCPaint( wndPtr->hwndSelf, (HRGN32)1, FALSE );
 787     }
 788     return TRUE;
 789 }
 790
 791
 792 /***********************************************************************
 793  *           NC_HandleSetCursor
 794  *
 795  * Handle a WM_SETCURSOR message. Called from DefWindowProc().
 796  */
 797 LONG NC_HandleSetCursor( HWND32 hwnd, WPARAM16 wParam, LPARAM lParam )
 798 {
 799     if (hwnd != (HWND32)wParam) return 0;  /* Don't set the cursor for child windows */
 800
 801     switch(LOWORD(lParam))
 802     {
 803     case HTERROR:
 804         {
 805             WORD msg = HIWORD( lParam );
 806             if ((msg == WM_LBUTTONDOWN) || (msg == WM_MBUTTONDOWN) ||
 807                 (msg == WM_RBUTTONDOWN))
 808                 MessageBeep32(0);
 809         }
 810         break;
 811
 812     case HTCLIENT:
 813         {
 814             WND *wndPtr;
 815             if (!(wndPtr = WIN_FindWndPtr( hwnd ))) break;
 816             if (wndPtr->class->hCursor)
 817             {
 818                 SetCursor16( wndPtr->class->hCursor );
 819                 return TRUE;
 820             }
 821             else return FALSE;
 822         }
 823
 824     case HTLEFT:
 825     case HTRIGHT:
 826         return (LONG)SetCursor16( LoadCursor16( 0, IDC_SIZEWE ) );
 827
 828     case HTTOP:
 829     case HTBOTTOM:
 830         return (LONG)SetCursor16( LoadCursor16( 0, IDC_SIZENS ) );
 831
 832     case HTTOPLEFT:
 833     case HTBOTTOMRIGHT:
 834         return (LONG)SetCursor16( LoadCursor16( 0, IDC_SIZENWSE ) );
 835
 836     case HTTOPRIGHT:
 837     case HTBOTTOMLEFT:
 838         return (LONG)SetCursor16( LoadCursor16( 0, IDC_SIZENESW ) );
 839     }
 840
 841     /* Default cursor: arrow */
 842     return (LONG)SetCursor16( LoadCursor16( 0, IDC_ARROW ) );
 843 }
 844
 845 /***********************************************************************
 846  *           NC_GetSysPopupPos
 847  */
 848 BOOL32 NC_GetSysPopupPos( WND* wndPtr, RECT32* rect )
 849 {
 850   if( wndPtr->hSysMenu )
 851   {
 852       if( wndPtr->dwStyle & WS_MINIMIZE )
 853           GetWindowRect32( wndPtr->hwndSelf, rect );
 854       else
 855       {
 856           NC_GetInsideRect( wndPtr->hwndSelf, rect );
 857           OffsetRect32( rect, wndPtr->rectWindow.left, wndPtr->rectWindow.top);
 858           if (wndPtr->dwStyle & WS_CHILD)
 859               ClientToScreen32( wndPtr->parent->hwndSelf, (POINT32 *)rect );
 860           rect->right = rect->left + SYSMETRICS_CXSIZE;
 861           rect->bottom = rect->top + SYSMETRICS_CYSIZE;
 862       }
 863       return TRUE;
 864   }
 865   return FALSE;
 866 }
 867
 868 /***********************************************************************
 869  *           NC_TrackSysMenu
 870  *
 871  * Track a mouse button press on the system menu.
 872  */
 873 static void NC_TrackSysMenu( HWND32 hwnd, POINT16 pt )
 874 {
 875     WND*        wndPtr = WIN_FindWndPtr( hwnd );
 876
 877     if (wndPtr->dwStyle & WS_SYSMENU)
 878     {
 879         int     iconic, on = 1;
 880
 881         iconic = wndPtr->dwStyle & WS_MINIMIZE;
 882
 883         if( !iconic )
 884         {
 885              HDC16      hdc = GetWindowDC32(hwnd);
 886              RECT32     rect;
 887              RECT16     rTrack;
 888              BOOL32     bNew, bTrack = TRUE;
 889              MSG16      msg;
 890
 891              NC_GetSysPopupPos( wndPtr, &rect );
 892              CONV_RECT32TO16( &rect, &rTrack );
 893              MapWindowPoints16( 0, hwnd, (LPPOINT16)&rTrack, 2 );
 894
 895              /* track mouse while waiting for WM_LBUTTONUP */
 896
 897              NC_DrawSysButton( hwnd, hdc, bTrack );
 898              SetCapture32(hwnd);
 899              do
 900              {
 901                 msg.message = WM_NULL;
 902                 PeekMessage16( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE);
 903                 if( msg.message == WM_MOUSEMOVE )
 904                 {
 905                     if( (bNew = PtInRect16(&rTrack, MAKEPOINT16(msg.lParam))) )
 906                     {   if( bTrack ) continue; }
 907                     else
 908                     {   if(!bTrack ) continue; }
 909                     NC_DrawSysButton( hwnd, hdc, bTrack = bNew);
 910                 }
 911              } while( msg.message != WM_LBUTTONUP );
 912
 913              ReleaseCapture();
 914              ReleaseDC32(hwnd, hdc);
 915              on = PtInRect16(&rTrack, MAKEPOINT16(msg.lParam));
 916         }
 917
 918         if( on )
 919             SendMessage16( hwnd, WM_SYSCOMMAND,
 920                            SC_MOUSEMENU + HTSYSMENU, *((LPARAM*)&pt));
 921     }
 922 }
 923
 924
 925 /***********************************************************************
 926  *           NC_StartSizeMove
 927  *
 928  * Initialisation of a move or resize, when initiatied from a menu choice.
 929  * Return hit test code for caption or sizing border.
 930  */
 931 static LONG NC_StartSizeMove( HWND32 hwnd, WPARAM16 wParam,
 932                               POINT16 *capturePoint )
 933 {
 934     LONG hittest = 0;
 935     POINT16 pt;
 936     MSG16 msg;
 937     WND * wndPtr = WIN_FindWndPtr( hwnd );
 938
 939     if ((wParam & 0xfff0) == SC_MOVE)
 940     {
 941           /* Move pointer at the center of the caption */
 942         RECT32 rect;
 943         NC_GetInsideRect( hwnd, &rect );
 944         if (wndPtr->dwStyle & WS_SYSMENU)
 945             rect.left += SYSMETRICS_CXSIZE + 1;
 946         if (wndPtr->dwStyle & WS_MINIMIZEBOX)
 947             rect.right -= SYSMETRICS_CXSIZE + 1;
 948         if (wndPtr->dwStyle & WS_MAXIMIZEBOX)
 949             rect.right -= SYSMETRICS_CXSIZE + 1;
 950         pt.x = wndPtr->rectWindow.left + (rect.right - rect.left) / 2;
 951         pt.y = wndPtr->rectWindow.top + rect.top + SYSMETRICS_CYSIZE/2;
 952         if (wndPtr->dwStyle & WS_CHILD)
 953             ClientToScreen16( wndPtr->parent->hwndSelf, &pt );
 954         hittest = HTCAPTION;
 955     }
 956     else  /* SC_SIZE */
 957     {
 958         SetCapture32(hwnd);
 959         while(!hittest)
 960         {
 961             MSG_InternalGetMessage( &msg, 0, 0, MSGF_SIZE, PM_REMOVE, FALSE );
 962             switch(msg.message)
 963             {
 964             case WM_MOUSEMOVE:
 965                 hittest = NC_HandleNCHitTest( hwnd, msg.pt );
 966                 pt = msg.pt;
 967                 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT))
 968                     hittest = 0;
 969                 break;
 970
 971             case WM_LBUTTONUP:
 972                 return 0;
 973
 974             case WM_KEYDOWN:
 975                 switch(msg.wParam)
 976                 {
 977                 case VK_UP:
 978                     hittest = HTTOP;
 979                     pt.x =(wndPtr->rectWindow.left+wndPtr->rectWindow.right)/2;
 980                     pt.y = wndPtr->rectWindow.top + SYSMETRICS_CYFRAME / 2;
 981                     break;
 982                 case VK_DOWN:
 983                     hittest = HTBOTTOM;
 984                     pt.x =(wndPtr->rectWindow.left+wndPtr->rectWindow.right)/2;
 985                     pt.y = wndPtr->rectWindow.bottom - SYSMETRICS_CYFRAME / 2;
 986                     break;
 987                 case VK_LEFT:
 988                     hittest = HTLEFT;
 989                     pt.x = wndPtr->rectWindow.left + SYSMETRICS_CXFRAME / 2;
 990                     pt.y =(wndPtr->rectWindow.top+wndPtr->rectWindow.bottom)/2;
 991                     break;
 992                 case VK_RIGHT:
 993                     hittest = HTRIGHT;
 994                     pt.x = wndPtr->rectWindow.right - SYSMETRICS_CXFRAME / 2;
 995                     pt.y =(wndPtr->rectWindow.top+wndPtr->rectWindow.bottom)/2;
 996                     break;
 997                 case VK_RETURN:
 998                 case VK_ESCAPE: return 0;
 999                 }
1000             }
1001         }
1002     }
1003     *capturePoint = pt;
1004     SetCursorPos32( capturePoint->x, capturePoint->y );
1005     NC_HandleSetCursor( hwnd, (WPARAM16)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
1006     return hittest;
1007 }
1008
1009
1010 /***********************************************************************
1011  *           NC_DoSizeMove
1012  *
1013  * Perform SC_MOVE and SC_SIZE commands.
1014  */
1015 static void NC_DoSizeMove( HWND32 hwnd, WORD wParam, POINT16 pt )
1016 {
1017     MSG16 msg;
1018     RECT16 sizingRect, mouseRect;
1019     HDC32 hdc;
1020     LONG hittest = (LONG)(wParam & 0x0f);
1021     HCURSOR16 hDragCursor = 0, hOldCursor = 0;
1022     POINT16   minTrack, maxTrack, capturePoint = pt;
1023     WND *     wndPtr = WIN_FindWndPtr( hwnd );
1024     BOOL32    thickframe = HAS_THICKFRAME( wndPtr->dwStyle );
1025     BOOL32    iconic = wndPtr->dwStyle & WS_MINIMIZE;
1026     int       moved = 0;
1027
1028     if (IsZoomed32(hwnd) || !IsWindowVisible32(hwnd) ||
1029         (wndPtr->flags & WIN_MANAGED)) return;
1030
1031     if ((wParam & 0xfff0) == SC_MOVE)
1032     {
1033         if (!(wndPtr->dwStyle & WS_CAPTION)) return;
1034         if (!hittest) hittest = NC_StartSizeMove( hwnd, wParam, &capturePoint );
1035         if (!hittest) return;
1036     }
1037     else  /* SC_SIZE */
1038     {
1039         if (!thickframe) return;
1040         if (hittest) hittest += HTLEFT-1;
1041         else
1042         {
1043             SetCapture32(hwnd);
1044             hittest = NC_StartSizeMove( hwnd, wParam, &capturePoint );
1045             if (!hittest)
1046             {
1047                 ReleaseCapture();
1048                 return;
1049             }
1050         }
1051     }
1052
1053       /* Get min/max info */
1054
1055     NC_GetMinMaxInfo( wndPtr, NULL, NULL, &minTrack, &maxTrack );
1056     sizingRect = wndPtr->rectWindow;
1057     if (wndPtr->dwStyle & WS_CHILD)
1058         GetClientRect16( wndPtr->parent->hwndSelf, &mouseRect );
1059     else SetRect16(&mouseRect, 0, 0, SYSMETRICS_CXSCREEN, SYSMETRICS_CYSCREEN);
1060     if (ON_LEFT_BORDER(hittest))
1061     {
1062         mouseRect.left  = MAX( mouseRect.left, sizingRect.right-maxTrack.x );
1063         mouseRect.right = MIN( mouseRect.right, sizingRect.right-minTrack.x );
1064     }
1065     else if (ON_RIGHT_BORDER(hittest))
1066     {
1067         mouseRect.left  = MAX( mouseRect.left, sizingRect.left+minTrack.x );
1068         mouseRect.right = MIN( mouseRect.right, sizingRect.left+maxTrack.x );
1069     }
1070     if (ON_TOP_BORDER(hittest))
1071     {
1072         mouseRect.top    = MAX( mouseRect.top, sizingRect.bottom-maxTrack.y );
1073         mouseRect.bottom = MIN( mouseRect.bottom,sizingRect.bottom-minTrack.y);
1074     }
1075     else if (ON_BOTTOM_BORDER(hittest))
1076     {
1077         mouseRect.top    = MAX( mouseRect.top, sizingRect.top+minTrack.y );
1078         mouseRect.bottom = MIN( mouseRect.bottom, sizingRect.top+maxTrack.y );
1079     }
1080     SendMessage16( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
1081
1082     if (GetCapture32() != hwnd) SetCapture32( hwnd );
1083
1084     if (wndPtr->dwStyle & WS_CHILD)
1085     {
1086           /* Retrieve a default cache DC (without using the window style) */
1087         hdc = GetDCEx32( wndPtr->parent->hwndSelf, 0, DCX_CACHE );
1088     }
1089     else
1090     {  /* Grab the server only when moving top-level windows without desktop */
1091         hdc = GetDC32( 0 );
1092         if (rootWindow == DefaultRootWindow(display)) XGrabServer( display );
1093     }
1094
1095     if( iconic )
1096     {
1097       HICON16 hIcon = (wndPtr->class->hIcon)
1098                       ? wndPtr->class->hIcon
1099                       : (HICON16)SendMessage16( hwnd, WM_QUERYDRAGICON, 0, 0L);
1100       if( hIcon )
1101       {
1102         hDragCursor =  CURSORICON_IconToCursor( hIcon, TRUE );
1103         hOldCursor = SetCursor32(hDragCursor);
1104         ShowCursor32( TRUE );
1105       } else iconic = FALSE;
1106     }
1107
1108     if( !iconic ) NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
1109
1110     while(1)
1111     {
1112         int dx = 0, dy = 0;
1113
1114         MSG_InternalGetMessage( &msg, 0, 0, MSGF_SIZE, PM_REMOVE, FALSE );
1115
1116           /* Exit on button-up, Return, or Esc */
1117         if ((msg.message == WM_LBUTTONUP) ||
1118             ((msg.message == WM_KEYDOWN) &&
1119              ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
1120
1121         if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
1122             continue;  /* We are not interested in other messages */
1123
1124         pt = msg.pt;
1125         if (wndPtr->dwStyle & WS_CHILD)
1126             ScreenToClient16( wndPtr->parent->hwndSelf, &pt );
1127
1128         if (msg.message == WM_KEYDOWN) switch(msg.wParam)
1129         {
1130             case VK_UP:    pt.y -= 8; break;
1131             case VK_DOWN:  pt.y += 8; break;
1132             case VK_LEFT:  pt.x -= 8; break;
1133             case VK_RIGHT: pt.x += 8; break;
1134         }
1135
1136         pt.x = MAX( pt.x, mouseRect.left );
1137         pt.x = MIN( pt.x, mouseRect.right );
1138         pt.y = MAX( pt.y, mouseRect.top );
1139         pt.y = MIN( pt.y, mouseRect.bottom );
1140
1141         dx = pt.x - capturePoint.x;
1142         dy = pt.y - capturePoint.y;
1143
1144         if (dx || dy)
1145         {
1146             moved = 1;
1147             if (msg.message == WM_KEYDOWN) SetCursorPos32( pt.x, pt.y );
1148             else
1149             {
1150                 RECT16 newRect = sizingRect;
1151
1152                 if (hittest == HTCAPTION) OffsetRect16( &newRect, dx, dy );
1153                 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
1154                 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
1155                 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
1156                 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
1157                 if( !iconic )
1158                 {
1159                   NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
1160                   NC_DrawMovingFrame( hdc, &newRect, thickframe );
1161                 }
1162                 capturePoint = pt;
1163                 sizingRect = newRect;
1164             }
1165         }
1166     }
1167
1168     ReleaseCapture();
1169     if( iconic )
1170     {
1171       ShowCursor32( FALSE );
1172       SetCursor32(hOldCursor);
1173       if( hDragCursor ) DestroyCursor32( hDragCursor );
1174     }
1175     else
1176       NC_DrawMovingFrame( hdc, &sizingRect, thickframe );
1177
1178     if (wndPtr->dwStyle & WS_CHILD)
1179         ReleaseDC32( wndPtr->parent->hwndSelf, hdc );
1180     else
1181     {
1182         ReleaseDC32( 0, hdc );
1183         if (rootWindow == DefaultRootWindow(display)) XUngrabServer( display );
1184     }
1185
1186     if (HOOK_IsHooked( WH_CBT ))
1187     {
1188        RECT16* pr = SEGPTR_NEW(RECT16);
1189        if( pr )
1190        {
1191          *pr = sizingRect;
1192           if( HOOK_CallHooks16( WH_CBT, HCBT_MOVESIZE, hwnd,
1193                                 (LPARAM)SEGPTR_GET(pr)) )
1194               sizingRect = wndPtr->rectWindow;
1195           else
1196               sizingRect = *pr;
1197           SEGPTR_FREE(pr);
1198        }
1199     }
1200     SendMessage16( hwnd, WM_EXITSIZEMOVE, 0, 0 );
1201     SendMessage16( hwnd, WM_SETVISIBLE, !IsIconic16(hwnd), 0L);
1202
1203     /* Single click brings up the system menu when iconized */
1204
1205     if (!moved && (wndPtr->dwStyle & WS_MINIMIZE))
1206     {
1207         NC_TrackSysMenu( hwnd, pt );
1208         return;
1209     }
1210
1211       /* If Esc key, don't move the window */
1212     if ((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) return;
1213
1214     if (hittest != HTCAPTION)
1215         SetWindowPos32( hwnd, 0, sizingRect.left, sizingRect.top,
1216                         sizingRect.right - sizingRect.left,
1217                         sizingRect.bottom - sizingRect.top,
1218                         SWP_NOACTIVATE | SWP_NOZORDER );
1219     else SetWindowPos32( hwnd, 0, sizingRect.left, sizingRect.top, 0, 0,
1220                          SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER );
1221 }
1222
1223
1224 /***********************************************************************
1225  *           NC_TrackMinMaxBox
1226  *
1227  * Track a mouse button press on the minimize or maximize box.
1228  */
1229 static void NC_TrackMinMaxBox( HWND32 hwnd, WORD wParam )
1230 {
1231     MSG16 msg;
1232     HDC32 hdc = GetWindowDC32( hwnd );
1233     BOOL pressed = TRUE;
1234
1235     SetCapture32( hwnd );
1236     if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, TRUE );
1237     else NC_DrawMaxButton( hwnd, hdc, TRUE );
1238
1239     do
1240     {
1241         BOOL oldstate = pressed;
1242         MSG_InternalGetMessage( &msg, 0, 0, 0, PM_REMOVE, FALSE );
1243
1244         pressed = (NC_HandleNCHitTest( hwnd, msg.pt ) == wParam);
1245         if (pressed != oldstate)
1246         {
1247             if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, pressed );
1248             else NC_DrawMaxButton( hwnd, hdc, pressed );
1249         }
1250     } while (msg.message != WM_LBUTTONUP);
1251
1252     if (wParam == HTMINBUTTON) NC_DrawMinButton( hwnd, hdc, FALSE );
1253     else NC_DrawMaxButton( hwnd, hdc, FALSE );
1254
1255     ReleaseCapture();
1256     ReleaseDC32( hwnd, hdc );
1257     if (!pressed) return;
1258
1259     if (wParam == HTMINBUTTON)
1260         SendMessage16( hwnd, WM_SYSCOMMAND, SC_MINIMIZE, *(LONG*)&msg.pt );
1261     else
1262         SendMessage16( hwnd, WM_SYSCOMMAND,
1263                   IsZoomed32(hwnd) ? SC_RESTORE:SC_MAXIMIZE, *(LONG*)&msg.pt );
1264 }
1265
1266
1267 /***********************************************************************
1268  *           NC_TrackScrollBar
1269  *
1270  * Track a mouse button press on the horizontal or vertical scroll-bar.
1271  */
1272 static void NC_TrackScrollBar( HWND32 hwnd, WPARAM32 wParam, POINT32 pt )
1273 {
1274     MSG16 *msg;
1275     INT32 scrollbar;
1276     WND *wndPtr = WIN_FindWndPtr( hwnd );
1277
1278     if ((wParam & 0xfff0) == SC_HSCROLL)
1279     {
1280         if ((wParam & 0x0f) != HTHSCROLL) return;
1281         scrollbar = SB_HORZ;
1282     }
1283     else  /* SC_VSCROLL */
1284     {
1285         if ((wParam & 0x0f) != HTVSCROLL) return;
1286         scrollbar = SB_VERT;
1287     }
1288
1289     if (!(msg = SEGPTR_NEW(MSG16))) return;
1290     pt.x -= wndPtr->rectWindow.left;
1291     pt.y -= wndPtr->rectWindow.top;
1292     SetCapture32( hwnd );
1293     SCROLL_HandleScrollEvent( hwnd, scrollbar, WM_LBUTTONDOWN, pt );
1294
1295     do
1296     {
1297         GetMessage( SEGPTR_GET(msg), 0, 0, 0 );
1298         switch(msg->message)
1299         {
1300         case WM_LBUTTONUP:
1301         case WM_MOUSEMOVE:
1302         case WM_SYSTIMER:
1303             pt.x = LOWORD(msg->lParam) + wndPtr->rectClient.left -
1304               wndPtr->rectWindow.left;
1305             pt.y = HIWORD(msg->lParam) + wndPtr->rectClient.top -
1306               wndPtr->rectWindow.top;
1307             SCROLL_HandleScrollEvent( hwnd, scrollbar, msg->message, pt );
1308             break;
1309         default:
1310             TranslateMessage16( msg );
1311             DispatchMessage16( msg );
1312             break;
1313         }
1314         if (!IsWindow( hwnd ))
1315         {
1316             ReleaseCapture();
1317             break;
1318         }
1319     } while (msg->message != WM_LBUTTONUP);
1320     SEGPTR_FREE(msg);
1321 }
1322
1323 /***********************************************************************
1324  *           NC_HandleNCLButtonDown
1325  *
1326  * Handle a WM_NCLBUTTONDOWN message. Called from DefWindowProc().
1327  */
1328 LONG NC_HandleNCLButtonDown( HWND32 hwnd, WPARAM16 wParam, LPARAM lParam )
1329 {
1330     switch(wParam)  /* Hit test */
1331     {
1332     case HTCAPTION:
1333         SendMessage16( hwnd, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, lParam );
1334         break;
1335
1336     case HTSYSMENU:
1337         NC_TrackSysMenu( hwnd, MAKEPOINT16(lParam) );
1338         break;
1339
1340     case HTMENU:
1341         SendMessage16( hwnd, WM_SYSCOMMAND, SC_MOUSEMENU, lParam );
1342         break;
1343
1344     case HTHSCROLL:
1345         SendMessage16( hwnd, WM_SYSCOMMAND, SC_HSCROLL + HTHSCROLL, lParam );
1346         break;
1347
1348     case HTVSCROLL:
1349         SendMessage16( hwnd, WM_SYSCOMMAND, SC_VSCROLL + HTVSCROLL, lParam );
1350         break;
1351
1352     case HTMINBUTTON:
1353     case HTMAXBUTTON:
1354         NC_TrackMinMaxBox( hwnd, wParam );
1355         break;
1356
1357     case HTLEFT:
1358     case HTRIGHT:
1359     case HTTOP:
1360     case HTTOPLEFT:
1361     case HTTOPRIGHT:
1362     case HTBOTTOM:
1363     case HTBOTTOMLEFT:
1364     case HTBOTTOMRIGHT:
1365         SendMessage16( hwnd, WM_SYSCOMMAND, SC_SIZE + wParam - HTLEFT+1, lParam);
1366         break;
1367
1368     case HTBORDER:
1369         break;
1370     }
1371     return 0;
1372 }
1373
1374
1375 /***********************************************************************
1376  *           NC_HandleNCLButtonDblClk
1377  *
1378  * Handle a WM_NCLBUTTONDBLCLK message. Called from DefWindowProc().
1379  */
1380 LONG NC_HandleNCLButtonDblClk( WND *pWnd, WPARAM16 wParam, LPARAM lParam )
1381 {
1382     /*
1383      * if this is an icon, send a restore since we are handling
1384      * a double click
1385      */
1386     if (pWnd->dwStyle & WS_MINIMIZE)
1387     {
1388         SendMessage16( pWnd->hwndSelf, WM_SYSCOMMAND, SC_RESTORE, lParam );
1389         return 0;
1390     }
1391
1392     switch(wParam)  /* Hit test */
1393     {
1394     case HTCAPTION:
1395         /* stop processing if WS_MAXIMIZEBOX is missing */
1396         if (pWnd->dwStyle & WS_MAXIMIZEBOX)
1397             SendMessage16( pWnd->hwndSelf, WM_SYSCOMMAND,
1398                       (pWnd->dwStyle & WS_MAXIMIZE) ? SC_RESTORE : SC_MAXIMIZE,
1399                       lParam );
1400         break;
1401
1402     case HTSYSMENU:
1403         if (!(pWnd->class->style & CS_NOCLOSE))
1404             SendMessage16( pWnd->hwndSelf, WM_SYSCOMMAND, SC_CLOSE, lParam );
1405         break;
1406     }
1407     return 0;
1408 }
1409
1410
1411 /***********************************************************************
1412  *           NC_HandleSysCommand
1413  *
1414  * Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
1415  */
1416 LONG NC_HandleSysCommand( HWND32 hwnd, WPARAM16 wParam, POINT16 pt )
1417 {
1418     WND *wndPtr = WIN_FindWndPtr( hwnd );
1419     POINT32 pt32;
1420
1421     dprintf_nonclient(stddeb, "Handling WM_SYSCOMMAND %x %d,%d\n",
1422                       wParam, pt.x, pt.y );
1423
1424     if (wndPtr->dwStyle & WS_CHILD && wParam != SC_KEYMENU )
1425         ScreenToClient16( wndPtr->parent->hwndSelf, &pt );
1426
1427     switch (wParam & 0xfff0)
1428     {
1429     case SC_SIZE:
1430     case SC_MOVE:
1431         NC_DoSizeMove( hwnd, wParam, pt );
1432         break;
1433
1434     case SC_MINIMIZE:
1435         ShowWindow32( hwnd, SW_MINIMIZE );
1436         break;
1437
1438     case SC_MAXIMIZE:
1439         ShowWindow32( hwnd, SW_MAXIMIZE );
1440         break;
1441
1442     case SC_RESTORE:
1443         ShowWindow32( hwnd, SW_RESTORE );
1444         break;
1445
1446     case SC_CLOSE:
1447         return SendMessage16( hwnd, WM_CLOSE, 0, 0 );
1448
1449     case SC_VSCROLL:
1450     case SC_HSCROLL:
1451         CONV_POINT16TO32( &pt, &pt32 );
1452         NC_TrackScrollBar( hwnd, wParam, pt32 );
1453         break;
1454
1455     case SC_MOUSEMENU:
1456         CONV_POINT16TO32( &pt, &pt32 );
1457         MENU_TrackMouseMenuBar( wndPtr, wParam & 0x000F, pt32 );
1458         break;
1459
1460     case SC_KEYMENU:
1461         MENU_TrackKbdMenuBar( wndPtr , wParam , pt.x );
1462         break;
1463
1464     case SC_TASKLIST:
1465         WinExec32( "taskman.exe", SW_SHOWNORMAL );
1466         break;
1467
1468     case SC_SCREENSAVE:
1469         if (wParam == SC_ABOUTWINE)
1470         {
1471             extern const char people[];
1472             ShellAbout32A(hwnd,"Wine",people,0);
1473         }
1474         break;
1475
1476     case SC_HOTKEY:
1477     case SC_ARRANGE:
1478     case SC_NEXTWINDOW:
1479     case SC_PREVWINDOW:
1480         /* FIXME: unimplemented */
1481         break;
1482     }
1483     return 0;
1484 }