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