dlls/user/nonclient.c

   1 /*
   2  * Non-client area window functions
   3  *
   4  * Copyright 1994 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "wine/winuser16.h"
  29 #include "wownt32.h"
  30 #include "win.h"
  31 #include "user_private.h"
  32 #include "controls.h"
  33 #include "shellapi.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(nonclient);
  37
  38 BOOL NC_DrawGrayButton(HDC hdc, int x, int y);
  39
  40 static const BYTE lpGrayMask[] = { 0xAA, 0xA0,
  41                                    0x55, 0x50,
  42                                    0xAA, 0xA0,
  43                                    0x55, 0x50,
  44                                    0xAA, 0xA0,
  45                                    0x55, 0x50,
  46                                    0xAA, 0xA0,
  47                                    0x55, 0x50,
  48                                    0xAA, 0xA0,
  49                                    0x55, 0x50};
  50
  51 #define SC_ABOUTWINE            (SC_SCREENSAVE+1)
  52 #define SC_PUTMARK              (SC_SCREENSAVE+2)
  53
  54   /* Some useful macros */
  55 #define HAS_DLGFRAME(style,exStyle) \
  56     (((exStyle) & WS_EX_DLGMODALFRAME) || \
  57      (((style) & WS_DLGFRAME) && !((style) & WS_THICKFRAME)))
  58
  59 #define HAS_THICKFRAME(style,exStyle) \
  60     (((style) & WS_THICKFRAME) && \
  61      !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
  62
  63 #define HAS_THINFRAME(style) \
  64     (((style) & WS_BORDER) || !((style) & (WS_CHILD | WS_POPUP)))
  65
  66 #define HAS_BIGFRAME(style,exStyle) \
  67     (((style) & (WS_THICKFRAME | WS_DLGFRAME)) || \
  68      ((exStyle) & WS_EX_DLGMODALFRAME))
  69
  70 #define HAS_STATICOUTERFRAME(style,exStyle) \
  71     (((exStyle) & (WS_EX_STATICEDGE|WS_EX_DLGMODALFRAME)) == \
  72      WS_EX_STATICEDGE)
  73
  74 #define HAS_ANYFRAME(style,exStyle) \
  75     (((style) & (WS_THICKFRAME | WS_DLGFRAME | WS_BORDER)) || \
  76      ((exStyle) & WS_EX_DLGMODALFRAME) || \
  77      !((style) & (WS_CHILD | WS_POPUP)))
  78
  79 #define HAS_MENU(w)  ((((w)->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD) && ((w)->wIDmenu != 0))
  80
  81
  82 /******************************************************************************
  83  * NC_AdjustRectOuter
  84  *
  85  * Computes the size of the "outside" parts of the window based on the
  86  * parameters of the client area.
  87  *
  88  * PARAMS
  89  *     LPRECT  rect
  90  *     DWORD  style
  91  *     BOOL  menu
  92  *     DWORD  exStyle
  93  *
  94  * NOTES
  95  *     "Outer" parts of a window means the whole window frame, caption and
  96  *     menu bar. It does not include "inner" parts of the frame like client
  97  *     edge, static edge or scroll bars.
  98  *
  99  *****************************************************************************/
 100
 101 static void
 102 NC_AdjustRectOuter (LPRECT rect, DWORD style, BOOL menu, DWORD exStyle)
 103 {
 104     int adjust;
 105     if(style & WS_ICONIC) return;
 106
 107     if ((exStyle & (WS_EX_STATICEDGE|WS_EX_DLGMODALFRAME)) ==
 108         WS_EX_STATICEDGE)
 109     {
 110         adjust = 1; /* for the outer frame always present */
 111     }
 112     else
 113     {
 114         adjust = 0;
 115         if ((exStyle & WS_EX_DLGMODALFRAME) ||
 116             (style & (WS_THICKFRAME|WS_DLGFRAME))) adjust = 2; /* outer */
 117     }
 118     if (style & WS_THICKFRAME)
 119         adjust +=  ( GetSystemMetrics (SM_CXFRAME)
 120                    - GetSystemMetrics (SM_CXDLGFRAME)); /* The resize border */
 121     if ((style & (WS_BORDER|WS_DLGFRAME)) ||
 122         (exStyle & WS_EX_DLGMODALFRAME))
 123         adjust++; /* The other border */
 124
 125     InflateRect (rect, adjust, adjust);
 126
 127     if ((style & WS_CAPTION) == WS_CAPTION)
 128     {
 129         if (exStyle & WS_EX_TOOLWINDOW)
 130             rect->top -= GetSystemMetrics(SM_CYSMCAPTION);
 131         else
 132             rect->top -= GetSystemMetrics(SM_CYCAPTION);
 133     }
 134     if (menu) rect->top -= GetSystemMetrics(SM_CYMENU);
 135 }
 136
 137
 138 /******************************************************************************
 139  * NC_AdjustRectInner
 140  *
 141  * Computes the size of the "inside" part of the window based on the
 142  * parameters of the client area.
 143  *
 144  * PARAMS
 145  *     LPRECT   rect
 146  *     DWORD    style
 147  *     DWORD    exStyle
 148  *
 149  * NOTES
 150  *     "Inner" part of a window means the window frame inside of the flat
 151  *     window frame. It includes the client edge, the static edge and the
 152  *     scroll bars.
 153  *
 154  *****************************************************************************/
 155
 156 static void
 157 NC_AdjustRectInner (LPRECT rect, DWORD style, DWORD exStyle)
 158 {
 159     if(style & WS_ICONIC) return;
 160
 161     if (exStyle & WS_EX_CLIENTEDGE)
 162         InflateRect(rect, GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE));
 163
 164     if (style & WS_VSCROLL)
 165     {
 166         if((exStyle & WS_EX_LEFTSCROLLBAR) != 0)
 167             rect->left  -= GetSystemMetrics(SM_CXVSCROLL);
 168         else
 169             rect->right += GetSystemMetrics(SM_CXVSCROLL);
 170     }
 171     if (style & WS_HSCROLL) rect->bottom += GetSystemMetrics(SM_CYHSCROLL);
 172 }
 173
 174
 175
 176 static HICON NC_IconForWindow( HWND hwnd )
 177 {
 178     HICON hIcon = 0;
 179     WND *wndPtr = WIN_GetPtr( hwnd );
 180
 181     if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
 182     {
 183         hIcon = wndPtr->hIconSmall;
 184         if (!hIcon) hIcon = wndPtr->hIcon;
 185         WIN_ReleasePtr( wndPtr );
 186     }
 187     if (!hIcon) hIcon = (HICON) GetClassLongPtrW( hwnd, GCLP_HICONSM );
 188     if (!hIcon) hIcon = (HICON) GetClassLongPtrW( hwnd, GCLP_HICON );
 189
 190     /* If there is no hIcon specified and this is a modal dialog,
 191      * get the default one.
 192      */
 193     if (!hIcon && (GetWindowLongW( hwnd, GWL_STYLE ) & DS_MODALFRAME))
 194         hIcon = LoadImageW(0, (LPCWSTR)IDI_WINLOGO, IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR);
 195     return hIcon;
 196 }
 197
 198 /* Draws the bar part(ie the big rectangle) of the caption */
 199 static void NC_DrawCaptionBar (HDC hdc, const RECT *rect, DWORD dwStyle,
 200                                BOOL active, BOOL gradient)
 201 {
 202     if (gradient)
 203     {
 204         TRIVERTEX vertices[6];
 205         DWORD colLeft =
 206             GetSysColor (active ? COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION);
 207         DWORD colRight =
 208             GetSysColor (active ? COLOR_GRADIENTACTIVECAPTION
 209                                 : COLOR_GRADIENTINACTIVECAPTION);
 210         int v;
 211         int buttonsAreaSize = GetSystemMetrics(SM_CYCAPTION) - 1;
 212         static GRADIENT_RECT mesh[] = {{0, 1}, {2, 3}, {4, 5}};
 213
 214         for (v = 0; v < 3; v++)
 215         {
 216             vertices[v].Red = GetRValue (colLeft) << 8;
 217             vertices[v].Green = GetGValue (colLeft) << 8;
 218             vertices[v].Blue = GetBValue (colLeft) << 8;
 219             vertices[v].Alpha = 0x8000;
 220             vertices[v+3].Red = GetRValue (colRight) << 8;
 221             vertices[v+3].Green = GetGValue (colRight) << 8;
 222             vertices[v+3].Blue = GetBValue (colRight) << 8;
 223             vertices[v+3].Alpha = 0x8000;
 224         }
 225
 226         if ((dwStyle & WS_SYSMENU)
 227             && ((dwStyle & WS_MAXIMIZEBOX) || (dwStyle & WS_MINIMIZEBOX)))
 228             buttonsAreaSize += 2 * (GetSystemMetrics(SM_CXSIZE) + 1);
 229
 230         /* area behind icon; solid filled with left color */
 231         vertices[0].x = rect->left;
 232         vertices[0].y = rect->top;
 233         if (dwStyle & WS_SYSMENU)
 234             vertices[1].x =
 235                 min (rect->left + GetSystemMetrics(SM_CXSMICON), rect->right);
 236         else
 237             vertices[1].x = vertices[0].x;
 238         vertices[1].y = rect->bottom;
 239
 240         /* area behind text; gradient */
 241         vertices[2].x = vertices[1].x;
 242         vertices[2].y = rect->top;
 243         vertices[3].x = max (vertices[2].x, rect->right - buttonsAreaSize);
 244         vertices[3].y = rect->bottom;
 245
 246         /* area behind buttons; solid filled with right color */
 247         vertices[4].x = vertices[3].x;
 248         vertices[4].y = rect->top;
 249         vertices[5].x = rect->right;
 250         vertices[5].y = rect->bottom;
 251
 252         GdiGradientFill (hdc, vertices, 6, mesh, 3, GRADIENT_FILL_RECT_H);
 253     }
 254     else
 255         FillRect (hdc, rect, GetSysColorBrush (active ?
 256                   COLOR_ACTIVECAPTION : COLOR_INACTIVECAPTION));
 257 }
 258
 259 /***********************************************************************
 260  *              DrawCaption (USER32.@) Draws a caption bar
 261  *
 262  * PARAMS
 263  *     hwnd   [I]
 264  *     hdc    [I]
 265  *     lpRect [I]
 266  *     uFlags [I]
 267  *
 268  * RETURNS
 269  *     Success:
 270  *     Failure:
 271  */
 272
 273 BOOL WINAPI
 274 DrawCaption (HWND hwnd, HDC hdc, const RECT *lpRect, UINT uFlags)
 275 {
 276     return DrawCaptionTempW (hwnd, hdc, lpRect, 0, 0, NULL, uFlags & 0x103F);
 277 }
 278
 279
 280 /***********************************************************************
 281  *              DrawCaptionTempA (USER32.@)
 282  */
 283 BOOL WINAPI DrawCaptionTempA (HWND hwnd, HDC hdc, const RECT *rect, HFONT hFont,
 284                               HICON hIcon, LPCSTR str, UINT uFlags)
 285 {
 286     LPWSTR strW;
 287     INT len;
 288     BOOL ret = FALSE;
 289
 290     if (!(uFlags & DC_TEXT) || !str)
 291         return DrawCaptionTempW( hwnd, hdc, rect, hFont, hIcon, NULL, uFlags );
 292
 293     len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
 294     if ((strW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
 295     {
 296         MultiByteToWideChar( CP_ACP, 0, str, -1, strW, len );
 297         ret = DrawCaptionTempW (hwnd, hdc, rect, hFont, hIcon, strW, uFlags);
 298         HeapFree( GetProcessHeap (), 0, strW );
 299     }
 300     return ret;
 301 }
 302
 303
 304 /***********************************************************************
 305  *              DrawCaptionTempW (USER32.@)
 306  */
 307 BOOL WINAPI DrawCaptionTempW (HWND hwnd, HDC hdc, const RECT *rect, HFONT hFont,
 308                               HICON hIcon, LPCWSTR str, UINT uFlags)
 309 {
 310     RECT   rc = *rect;
 311
 312     TRACE("(%p,%p,%p,%p,%p,%s,%08x)\n",
 313           hwnd, hdc, rect, hFont, hIcon, debugstr_w(str), uFlags);
 314
 315     /* drawing background */
 316     if (uFlags & DC_INBUTTON) {
 317         FillRect (hdc, &rc, GetSysColorBrush (COLOR_3DFACE));
 318
 319         if (uFlags & DC_ACTIVE) {
 320             HBRUSH hbr = SelectObject (hdc, SYSCOLOR_55AABrush);
 321             PatBlt (hdc, rc.left, rc.top,
 322                       rc.right-rc.left, rc.bottom-rc.top, 0xFA0089);
 323             SelectObject (hdc, hbr);
 324         }
 325     }
 326     else {
 327         DWORD style = GetWindowLongW (hwnd, GWL_STYLE);
 328         NC_DrawCaptionBar (hdc, rect, style, uFlags & DC_ACTIVE, uFlags & DC_GRADIENT);
 329     }
 330
 331
 332     /* drawing icon */
 333     if ((uFlags & DC_ICON) && !(uFlags & DC_SMALLCAP)) {
 334         POINT pt;
 335
 336         pt.x = rc.left + 2;
 337         pt.y = (rc.bottom + rc.top - GetSystemMetrics(SM_CYSMICON)) / 2;
 338
 339         if (!hIcon) hIcon = NC_IconForWindow(hwnd);
 340         DrawIconEx (hdc, pt.x, pt.y, hIcon, GetSystemMetrics(SM_CXSMICON),
 341                     GetSystemMetrics(SM_CYSMICON), 0, 0, DI_NORMAL);
 342         rc.left += (rc.bottom - rc.top);
 343     }
 344
 345     /* drawing text */
 346     if (uFlags & DC_TEXT) {
 347         HFONT hOldFont;
 348
 349         if (uFlags & DC_INBUTTON)
 350             SetTextColor (hdc, GetSysColor (COLOR_BTNTEXT));
 351         else if (uFlags & DC_ACTIVE)
 352             SetTextColor (hdc, GetSysColor (COLOR_CAPTIONTEXT));
 353         else
 354             SetTextColor (hdc, GetSysColor (COLOR_INACTIVECAPTIONTEXT));
 355
 356         SetBkMode (hdc, TRANSPARENT);
 357
 358         if (hFont)
 359             hOldFont = SelectObject (hdc, hFont);
 360         else {
 361             NONCLIENTMETRICSW nclm;
 362             HFONT hNewFont;
 363             nclm.cbSize = sizeof(NONCLIENTMETRICSW);
 364             SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, 0, &nclm, 0);
 365             hNewFont = CreateFontIndirectW ((uFlags & DC_SMALLCAP) ?
 366                 &nclm.lfSmCaptionFont : &nclm.lfCaptionFont);
 367             hOldFont = SelectObject (hdc, hNewFont);
 368         }
 369
 370         if (str)
 371             DrawTextW (hdc, str, -1, &rc,
 372                          DT_SINGLELINE | DT_VCENTER | DT_NOPREFIX | DT_LEFT);
 373         else {
 374             WCHAR szText[128];
 375             INT nLen;
 376             nLen = GetWindowTextW (hwnd, szText, 128);
 377             DrawTextW (hdc, szText, nLen, &rc,
 378                          DT_SINGLELINE | DT_VCENTER | DT_NOPREFIX | DT_LEFT);
 379         }
 380
 381         if (hFont)
 382             SelectObject (hdc, hOldFont);
 383         else
 384             DeleteObject (SelectObject (hdc, hOldFont));
 385     }
 386
 387     /* drawing focus ??? */
 388     if (uFlags & 0x2000)
 389         FIXME("undocumented flag (0x2000)!\n");
 390
 391     return 0;
 392 }
 393
 394
 395 /***********************************************************************
 396  *              AdjustWindowRect (USER32.@)
 397  */
 398 BOOL WINAPI AdjustWindowRect( LPRECT rect, DWORD style, BOOL menu )
 399 {
 400     return AdjustWindowRectEx( rect, style, menu, 0 );
 401 }
 402
 403
 404 /***********************************************************************
 405  *              AdjustWindowRectEx (USER32.@)
 406  */
 407 BOOL WINAPI AdjustWindowRectEx( LPRECT rect, DWORD style, BOOL menu, DWORD exStyle )
 408 {
 409     /* Correct the window style */
 410     style &= (WS_DLGFRAME | WS_BORDER | WS_THICKFRAME | WS_CHILD);
 411     exStyle &= (WS_EX_DLGMODALFRAME | WS_EX_CLIENTEDGE |
 412                 WS_EX_STATICEDGE | WS_EX_TOOLWINDOW);
 413     if (exStyle & WS_EX_DLGMODALFRAME) style &= ~WS_THICKFRAME;
 414
 415     TRACE("(%ld,%ld)-(%ld,%ld) %08lx %d %08lx\n",
 416           rect->left, rect->top, rect->right, rect->bottom,
 417           style, menu, exStyle );
 418
 419     NC_AdjustRectOuter( rect, style, menu, exStyle );
 420     NC_AdjustRectInner( rect, style, exStyle );
 421
 422     return TRUE;
 423 }
 424
 425
 426 /***********************************************************************
 427  *           NC_HandleNCCalcSize
 428  *
 429  * Handle a WM_NCCALCSIZE message. Called from DefWindowProc().
 430  */
 431 LRESULT NC_HandleNCCalcSize( HWND hwnd, RECT *winRect )
 432 {
 433     RECT tmpRect = { 0, 0, 0, 0 };
 434     LRESULT result = 0;
 435     LONG cls_style = GetClassLongW(hwnd, GCL_STYLE);
 436     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
 437     LONG exStyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
 438
 439     if (cls_style & CS_VREDRAW) result |= WVR_VREDRAW;
 440     if (cls_style & CS_HREDRAW) result |= WVR_HREDRAW;
 441
 442     if (!IsIconic(hwnd))
 443     {
 444         NC_AdjustRectOuter( &tmpRect, style, FALSE, exStyle );
 445
 446         winRect->left   -= tmpRect.left;
 447         winRect->top    -= tmpRect.top;
 448         winRect->right  -= tmpRect.right;
 449         winRect->bottom -= tmpRect.bottom;
 450
 451         if (((style & (WS_CHILD | WS_POPUP)) != WS_CHILD) && GetMenu(hwnd))
 452         {
 453             TRACE("Calling GetMenuBarHeight with hwnd %p, width %ld, at (%ld, %ld).\n",
 454                   hwnd, winRect->right - winRect->left, -tmpRect.left, -tmpRect.top );
 455
 456             winRect->top +=
 457                 MENU_GetMenuBarHeight( hwnd,
 458                                        winRect->right - winRect->left,
 459                                        -tmpRect.left, -tmpRect.top );
 460         }
 461
 462         if( exStyle & WS_EX_CLIENTEDGE)
 463             if( winRect->right - winRect->left > 2 * GetSystemMetrics(SM_CXEDGE) &&
 464                    winRect->bottom - winRect->top > 2 * GetSystemMetrics(SM_CYEDGE))
 465                 InflateRect( winRect, - GetSystemMetrics(SM_CXEDGE),
 466                         - GetSystemMetrics(SM_CYEDGE));
 467
 468         if (style & WS_VSCROLL)
 469             if( winRect->right - winRect->left >= GetSystemMetrics(SM_CXVSCROLL)){
 470                 if((exStyle & WS_EX_LEFTSCROLLBAR) != 0)
 471                     winRect->left  += GetSystemMetrics(SM_CXVSCROLL);
 472                 else
 473                     winRect->right -= GetSystemMetrics(SM_CXVSCROLL);
 474             }
 475
 476         if (style & WS_HSCROLL)
 477             if( winRect->bottom - winRect->top > GetSystemMetrics(SM_CYHSCROLL))
 478                     winRect->bottom -= GetSystemMetrics(SM_CYHSCROLL);
 479
 480         if (winRect->top > winRect->bottom)
 481             winRect->bottom = winRect->top;
 482
 483         if (winRect->left > winRect->right)
 484             winRect->right = winRect->left;
 485     }
 486     return result;
 487 }
 488
 489
 490 /***********************************************************************
 491  *           NC_GetInsideRect
 492  *
 493  * Get the 'inside' rectangle of a window, i.e. the whole window rectangle
 494  * but without the borders (if any).
 495  * The rectangle is in window coordinates (for drawing with GetWindowDC()).
 496  */
 497 static void NC_GetInsideRect( HWND hwnd, RECT *rect )
 498 {
 499     WND *wndPtr = WIN_GetPtr( hwnd );
 500
 501     if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return;
 502
 503     rect->top    = rect->left = 0;
 504     rect->right  = wndPtr->rectWindow.right - wndPtr->rectWindow.left;
 505     rect->bottom = wndPtr->rectWindow.bottom - wndPtr->rectWindow.top;
 506
 507     if (wndPtr->dwStyle & WS_ICONIC) goto END;
 508
 509     /* Remove frame from rectangle */
 510     if (HAS_THICKFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 511     {
 512         InflateRect( rect, -GetSystemMetrics(SM_CXFRAME), -GetSystemMetrics(SM_CYFRAME) );
 513     }
 514     else if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 515     {
 516         InflateRect( rect, -GetSystemMetrics(SM_CXDLGFRAME), -GetSystemMetrics(SM_CYDLGFRAME));
 517     }
 518     else if (HAS_THINFRAME( wndPtr->dwStyle ))
 519     {
 520         InflateRect( rect, -GetSystemMetrics(SM_CXBORDER), -GetSystemMetrics(SM_CYBORDER) );
 521     }
 522
 523     /* We have additional border information if the window
 524      * is a child (but not an MDI child) */
 525     if ( (wndPtr->dwStyle & WS_CHILD)  &&
 526          ( (wndPtr->dwExStyle & WS_EX_MDICHILD) == 0 ) )
 527     {
 528         if (wndPtr->dwExStyle & WS_EX_CLIENTEDGE)
 529             InflateRect (rect, -GetSystemMetrics(SM_CXEDGE), -GetSystemMetrics(SM_CYEDGE));
 530         if (wndPtr->dwExStyle & WS_EX_STATICEDGE)
 531             InflateRect (rect, -GetSystemMetrics(SM_CXBORDER), -GetSystemMetrics(SM_CYBORDER));
 532     }
 533
 534 END:
 535     WIN_ReleasePtr( wndPtr );
 536 }
 537
 538
 539 /***********************************************************************
 540  * NC_DoNCHitTest
 541  *
 542  * Handle a WM_NCHITTEST message. Called from NC_HandleNCHitTest().
 543  *
 544  * FIXME:  Just a modified copy of the Win 3.1 version.
 545  */
 546
 547 static LRESULT NC_DoNCHitTest (WND *wndPtr, POINT pt )
 548 {
 549     RECT rect, rcClient;
 550     POINT ptClient;
 551
 552     TRACE("hwnd=%p pt=%ld,%ld\n", wndPtr->hwndSelf, pt.x, pt.y );
 553
 554     GetWindowRect(wndPtr->hwndSelf, &rect );
 555     if (!PtInRect( &rect, pt )) return HTNOWHERE;
 556
 557     if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
 558
 559     /* Check client area */
 560     ptClient = pt;
 561     ScreenToClient( wndPtr->hwndSelf, &ptClient );
 562     GetClientRect( wndPtr->hwndSelf, &rcClient );
 563     if (PtInRect( &rcClient, ptClient )) return HTCLIENT;
 564
 565     /* Check borders */
 566     if (HAS_THICKFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 567     {
 568         InflateRect( &rect, -GetSystemMetrics(SM_CXFRAME), -GetSystemMetrics(SM_CYFRAME) );
 569         if (!PtInRect( &rect, pt ))
 570         {
 571             /* Check top sizing border */
 572             if (pt.y < rect.top)
 573             {
 574                 if (pt.x < rect.left+GetSystemMetrics(SM_CXSIZE)) return HTTOPLEFT;
 575                 if (pt.x >= rect.right-GetSystemMetrics(SM_CXSIZE)) return HTTOPRIGHT;
 576                 return HTTOP;
 577             }
 578             /* Check bottom sizing border */
 579             if (pt.y >= rect.bottom)
 580             {
 581                 if (pt.x < rect.left+GetSystemMetrics(SM_CXSIZE)) return HTBOTTOMLEFT;
 582                 if (pt.x >= rect.right-GetSystemMetrics(SM_CXSIZE)) return HTBOTTOMRIGHT;
 583                 return HTBOTTOM;
 584             }
 585             /* Check left sizing border */
 586             if (pt.x < rect.left)
 587             {
 588                 if (pt.y < rect.top+GetSystemMetrics(SM_CYSIZE)) return HTTOPLEFT;
 589                 if (pt.y >= rect.bottom-GetSystemMetrics(SM_CYSIZE)) return HTBOTTOMLEFT;
 590                 return HTLEFT;
 591             }
 592             /* Check right sizing border */
 593             if (pt.x >= rect.right)
 594             {
 595                 if (pt.y < rect.top+GetSystemMetrics(SM_CYSIZE)) return HTTOPRIGHT;
 596                 if (pt.y >= rect.bottom-GetSystemMetrics(SM_CYSIZE)) return HTBOTTOMRIGHT;
 597                 return HTRIGHT;
 598             }
 599         }
 600     }
 601     else  /* No thick frame */
 602     {
 603         if (HAS_DLGFRAME( wndPtr->dwStyle, wndPtr->dwExStyle ))
 604             InflateRect(&rect, -GetSystemMetrics(SM_CXDLGFRAME), -GetSystemMetrics(SM_CYDLGFRAME));
 605         else if (HAS_THINFRAME( wndPtr->dwStyle ))
 606             InflateRect(&rect, -GetSystemMetrics(SM_CXBORDER), -GetSystemMetrics(SM_CYBORDER));
 607         if (!PtInRect( &rect, pt )) return HTBORDER;
 608     }
 609
 610     /* Check caption */
 611
 612     if ((wndPtr->dwStyle & WS_CAPTION) == WS_CAPTION)
 613     {
 614         if (wndPtr->dwExStyle & WS_EX_TOOLWINDOW)
 615             rect.top += GetSystemMetrics(SM_CYSMCAPTION) - 1;
 616         else
 617             rect.top += GetSystemMetrics(SM_CYCAPTION) - 1;
 618         if (!PtInRect( &rect, pt ))
 619         {
 620             BOOL min_or_max_box = (wndPtr->dwStyle & WS_MAXIMIZEBOX) ||
 621                                   (wndPtr->dwStyle & WS_MINIMIZEBOX);
 622             /* Check system menu */
 623             if ((wndPtr->dwStyle & WS_SYSMENU) && !(wndPtr->dwExStyle & WS_EX_TOOLWINDOW))
 624             {
 625                 if (NC_IconForWindow(wndPtr->hwndSelf))
 626                     rect.left += GetSystemMetrics(SM_CYCAPTION) - 1;
 627             }
 628             if (pt.x < rect.left) return HTSYSMENU;
 629
 630             /* Check close button */
 631             if (wndPtr->dwStyle & WS_SYSMENU)
 632                 rect.right -= GetSystemMetrics(SM_CYCAPTION) - 1;
 633             if (pt.x > rect.right) return HTCLOSE;
 634
 635             /* Check maximize box */
 636             /* In win95 there is automatically a Maximize button when there is a minimize one*/
 637             if (min_or_max_box && !(wndPtr->dwExStyle & WS_EX_TOOLWINDOW))
 638                 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
 639             if (pt.x > rect.right) return HTMAXBUTTON;
 640
 641             /* Check minimize box */
 642             /* In win95 there is automatically a Maximize button when there is a Maximize one*/
 643             if (min_or_max_box && !(wndPtr->dwExStyle & WS_EX_TOOLWINDOW))
 644                 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
 645
 646             if (pt.x > rect.right) return HTMINBUTTON;
 647             return HTCAPTION;
 648         }
 649     }
 650
 651       /* Check vertical scroll bar */
 652
 653     if (wndPtr->dwStyle & WS_VSCROLL)
 654     {
 655         if((wndPtr->dwExStyle & WS_EX_LEFTSCROLLBAR) != 0)
 656             rcClient.left -= GetSystemMetrics(SM_CXVSCROLL);
 657         else
 658             rcClient.right += GetSystemMetrics(SM_CXVSCROLL);
 659         if (PtInRect( &rcClient, ptClient )) return HTVSCROLL;
 660     }
 661
 662       /* Check horizontal scroll bar */
 663
 664     if (wndPtr->dwStyle & WS_HSCROLL)
 665     {
 666         rcClient.bottom += GetSystemMetrics(SM_CYHSCROLL);
 667         if (PtInRect( &rcClient, ptClient ))
 668         {
 669             /* Check size box */
 670             if ((wndPtr->dwStyle & WS_VSCROLL) &&
 671                 ((((wndPtr->dwExStyle & WS_EX_LEFTSCROLLBAR) != 0) && (ptClient.x <= rcClient.left + GetSystemMetrics(SM_CXVSCROLL))) ||
 672                 (((wndPtr->dwExStyle & WS_EX_LEFTSCROLLBAR) == 0) && (ptClient.x >= rcClient.right - GetSystemMetrics(SM_CXVSCROLL)))))
 673                 return HTSIZE;
 674             return HTHSCROLL;
 675         }
 676     }
 677
 678       /* Check menu bar */
 679
 680     if (HAS_MENU(wndPtr))
 681     {
 682         if ((ptClient.y < 0) && (ptClient.x >= 0) && (ptClient.x < rcClient.right))
 683             return HTMENU;
 684     }
 685
 686     /* Has to return HTNOWHERE if nothing was found
 687        Could happen when a window has a customized non client area */
 688     return HTNOWHERE;
 689 }
 690
 691
 692 /***********************************************************************
 693  * NC_HandleNCHitTest
 694  *
 695  * Handle a WM_NCHITTEST message. Called from DefWindowProc().
 696  */
 697 LRESULT NC_HandleNCHitTest (HWND hwnd , POINT pt)
 698 {
 699     LRESULT retvalue;
 700     WND *wndPtr = WIN_GetPtr( hwnd );
 701
 702     if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return HTERROR;
 703
 704     retvalue = NC_DoNCHitTest (wndPtr, pt);
 705     WIN_ReleasePtr( wndPtr );
 706     return retvalue;
 707 }
 708
 709
 710 /******************************************************************************
 711  *
 712  *   NC_DrawSysButton
 713  *
 714  *   Draws the system icon.
 715  *
 716  *****************************************************************************/
 717 BOOL NC_DrawSysButton (HWND hwnd, HDC hdc, BOOL down)
 718 {
 719     HICON hIcon = NC_IconForWindow( hwnd );
 720
 721     if (hIcon)
 722     {
 723         RECT rect;
 724         NC_GetInsideRect( hwnd, &rect );
 725         DrawIconEx (hdc, rect.left + 2, rect.top + 1, hIcon,
 726                     GetSystemMetrics(SM_CXSMICON),
 727                     GetSystemMetrics(SM_CYSMICON), 0, 0, DI_NORMAL);
 728     }
 729     return (hIcon != 0);
 730 }
 731
 732
 733 /******************************************************************************
 734  *
 735  *   NC_DrawCloseButton
 736  *
 737  *   Draws the close button.
 738  *
 739  *   If bGrayed is true, then draw a disabled Close button
 740  *
 741  *****************************************************************************/
 742
 743 static void NC_DrawCloseButton (HWND hwnd, HDC hdc, BOOL down, BOOL bGrayed)
 744 {
 745     RECT rect;
 746
 747     NC_GetInsideRect( hwnd, &rect );
 748
 749     /* A tool window has a smaller Close button */
 750     if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOOLWINDOW)
 751     {
 752         INT iBmpHeight = 11; /* Windows does not use SM_CXSMSIZE and SM_CYSMSIZE   */
 753         INT iBmpWidth = 11;  /* it uses 11x11 for  the close button in tool window */
 754         INT iCaptionHeight = GetSystemMetrics(SM_CYSMCAPTION);
 755
 756         rect.top = rect.top + (iCaptionHeight - 1 - iBmpHeight) / 2;
 757         rect.left = rect.right - (iCaptionHeight + 1 + iBmpWidth) / 2;
 758         rect.bottom = rect.top + iBmpHeight;
 759         rect.right = rect.left + iBmpWidth;
 760     }
 761     else
 762     {
 763         rect.left = rect.right - GetSystemMetrics(SM_CXSIZE) - 1;
 764         rect.bottom = rect.top + GetSystemMetrics(SM_CYSIZE) - 1;
 765         rect.top += 2;
 766         rect.right -= 2;
 767     }
 768     DrawFrameControl( hdc, &rect, DFC_CAPTION,
 769                       (DFCS_CAPTIONCLOSE |
 770                        (down ? DFCS_PUSHED : 0) |
 771                        (bGrayed ? DFCS_INACTIVE : 0)) );
 772 }
 773
 774 /******************************************************************************
 775  *   NC_DrawMaxButton
 776  *
 777  *   Draws the maximize button for windows.
 778  *   If bGrayed is true, then draw a disabled Maximize button
 779  */
 780 static void NC_DrawMaxButton(HWND hwnd,HDC hdc,BOOL down, BOOL bGrayed)
 781 {
 782     RECT rect;
 783     UINT flags;
 784
 785     /* never draw maximize box when window has WS_EX_TOOLWINDOW style */
 786     if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOOLWINDOW)
 787         return;
 788
 789     flags = IsZoomed(hwnd) ? DFCS_CAPTIONRESTORE : DFCS_CAPTIONMAX;
 790
 791     NC_GetInsideRect( hwnd, &rect );
 792     if (GetWindowLongW( hwnd, GWL_STYLE) & WS_SYSMENU)
 793         rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
 794     rect.left = rect.right - GetSystemMetrics(SM_CXSIZE);
 795     rect.bottom = rect.top + GetSystemMetrics(SM_CYSIZE) - 1;
 796     rect.top += 2;
 797     rect.right -= 2;
 798     if (down) flags |= DFCS_PUSHED;
 799     if (bGrayed) flags |= DFCS_INACTIVE;
 800     DrawFrameControl( hdc, &rect, DFC_CAPTION, flags );
 801 }
 802
 803 /******************************************************************************
 804  *   NC_DrawMinButton
 805  *
 806  *   Draws the minimize button for windows.
 807  *   If bGrayed is true, then draw a disabled Minimize button
 808  */
 809 static void  NC_DrawMinButton(HWND hwnd,HDC hdc,BOOL down, BOOL bGrayed)
 810 {
 811     RECT rect;
 812     UINT flags = DFCS_CAPTIONMIN;
 813     DWORD style = GetWindowLongW( hwnd, GWL_STYLE );
 814
 815     /* never draw minimize box when window has WS_EX_TOOLWINDOW style */
 816     if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOOLWINDOW)
 817         return;
 818
 819     NC_GetInsideRect( hwnd, &rect );
 820     if (style & WS_SYSMENU)
 821         rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
 822     if (style & (WS_MAXIMIZEBOX|WS_MINIMIZEBOX))
 823         rect.right -= GetSystemMetrics(SM_CXSIZE) - 2;
 824     rect.left = rect.right - GetSystemMetrics(SM_CXSIZE);
 825     rect.bottom = rect.top + GetSystemMetrics(SM_CYSIZE) - 1;
 826     rect.top += 2;
 827     rect.right -= 2;
 828     if (down) flags |= DFCS_PUSHED;
 829     if (bGrayed) flags |= DFCS_INACTIVE;
 830     DrawFrameControl( hdc, &rect, DFC_CAPTION, flags );
 831 }
 832
 833 /******************************************************************************
 834  *
 835  *   NC_DrawFrame
 836  *
 837  *   Draw a window frame inside the given rectangle, and update the rectangle.
 838  *
 839  *   Bugs
 840  *        Many.  First, just what IS a frame in Win95?  Note that the 3D look
 841  *        on the outer edge is handled by NC_DoNCPaint.  As is the inner
 842  *        edge.  The inner rectangle just inside the frame is handled by the
 843  *        Caption code.
 844  *
 845  *        In short, for most people, this function should be a nop (unless
 846  *        you LIKE thick borders in Win95/NT4.0 -- I've been working with
 847  *        them lately, but just to get this code right).  Even so, it doesn't
 848  *        appear to be so.  It's being worked on...
 849  *
 850  *****************************************************************************/
 851
 852 static void  NC_DrawFrame( HDC  hdc, RECT  *rect, BOOL  active, DWORD style, DWORD exStyle)
 853 {
 854     INT width, height;
 855
 856     /* Firstly the "thick" frame */
 857     if (style & WS_THICKFRAME)
 858     {
 859         width = GetSystemMetrics(SM_CXFRAME) - GetSystemMetrics(SM_CXDLGFRAME);
 860         height = GetSystemMetrics(SM_CYFRAME) - GetSystemMetrics(SM_CYDLGFRAME);
 861
 862         SelectObject( hdc, GetSysColorBrush(active ? COLOR_ACTIVEBORDER :
 863                                             COLOR_INACTIVEBORDER) );
 864         /* Draw frame */
 865         PatBlt( hdc, rect->left, rect->top,
 866                   rect->right - rect->left, height, PATCOPY );
 867         PatBlt( hdc, rect->left, rect->top,
 868                   width, rect->bottom - rect->top, PATCOPY );
 869         PatBlt( hdc, rect->left, rect->bottom - 1,
 870                   rect->right - rect->left, -height, PATCOPY );
 871         PatBlt( hdc, rect->right - 1, rect->top,
 872                   -width, rect->bottom - rect->top, PATCOPY );
 873
 874         InflateRect( rect, -width, -height );
 875     }
 876
 877     /* Now the other bit of the frame */
 878     if ((style & (WS_BORDER|WS_DLGFRAME)) ||
 879         (exStyle & WS_EX_DLGMODALFRAME))
 880     {
 881         width = GetSystemMetrics(SM_CXDLGFRAME) - GetSystemMetrics(SM_CXEDGE);
 882         height = GetSystemMetrics(SM_CYDLGFRAME) - GetSystemMetrics(SM_CYEDGE);
 883         /* This should give a value of 1 that should also work for a border */
 884
 885         SelectObject( hdc, GetSysColorBrush(
 886                       (exStyle & (WS_EX_DLGMODALFRAME|WS_EX_CLIENTEDGE)) ?
 887                           COLOR_3DFACE :
 888                       (exStyle & WS_EX_STATICEDGE) ?
 889                           COLOR_WINDOWFRAME :
 890                       (style & (WS_DLGFRAME|WS_THICKFRAME)) ?
 891                           COLOR_3DFACE :
 892                       /* else */
 893                           COLOR_WINDOWFRAME));
 894
 895         /* Draw frame */
 896         PatBlt( hdc, rect->left, rect->top,
 897                   rect->right - rect->left, height, PATCOPY );
 898         PatBlt( hdc, rect->left, rect->top,
 899                   width, rect->bottom - rect->top, PATCOPY );
 900         PatBlt( hdc, rect->left, rect->bottom - 1,
 901                   rect->right - rect->left, -height, PATCOPY );
 902         PatBlt( hdc, rect->right - 1, rect->top,
 903                   -width, rect->bottom - rect->top, PATCOPY );
 904
 905         InflateRect( rect, -width, -height );
 906     }
 907 }
 908
 909
 910 /******************************************************************************
 911  *
 912  *   NC_DrawCaption
 913  *
 914  *   Draw the window caption for windows.
 915  *   The correct pen for the window frame must be selected in the DC.
 916  *
 917  *****************************************************************************/
 918
 919 static void  NC_DrawCaption( HDC  hdc, RECT *rect, HWND hwnd, DWORD  style,
 920                              DWORD  exStyle, BOOL active )
 921 {
 922     RECT  r = *rect;
 923     WCHAR buffer[256];
 924     HPEN  hPrevPen;
 925     HMENU hSysMenu;
 926     BOOL gradient = FALSE;
 927
 928     hPrevPen = SelectObject( hdc, SYSCOLOR_GetPen(
 929                      ((exStyle & (WS_EX_STATICEDGE|WS_EX_CLIENTEDGE|
 930                                  WS_EX_DLGMODALFRAME)) == WS_EX_STATICEDGE) ?
 931                       COLOR_WINDOWFRAME : COLOR_3DFACE) );
 932     MoveToEx( hdc, r.left, r.bottom - 1, NULL );
 933     LineTo( hdc, r.right, r.bottom - 1 );
 934     SelectObject( hdc, hPrevPen );
 935     r.bottom--;
 936
 937     SystemParametersInfoW (SPI_GETGRADIENTCAPTIONS, 0, &gradient, 0);
 938     NC_DrawCaptionBar (hdc, rect, style, active, gradient);
 939
 940     if ((style & WS_SYSMENU) && !(exStyle & WS_EX_TOOLWINDOW)) {
 941         if (NC_DrawSysButton (hwnd, hdc, FALSE))
 942             r.left += GetSystemMetrics(SM_CXSMICON) + 2;
 943     }
 944
 945     if (style & WS_SYSMENU)
 946     {
 947         UINT state;
 948
 949         /* Go get the sysmenu */
 950         hSysMenu = GetSystemMenu(hwnd, FALSE);
 951         state = GetMenuState(hSysMenu, SC_CLOSE, MF_BYCOMMAND);
 952
 953         /* Draw a grayed close button if disabled or if SC_CLOSE is not there */
 954         NC_DrawCloseButton (hwnd, hdc, FALSE,
 955                             (state & (MF_DISABLED | MF_GRAYED)) || (state == 0xFFFFFFFF));
 956         r.right -= GetSystemMetrics(SM_CYCAPTION) - 1;
 957
 958         if ((style & WS_MAXIMIZEBOX) || (style & WS_MINIMIZEBOX))
 959         {
 960             /* In win95 the two buttons are always there */
 961             /* But if the menu item is not in the menu they're disabled*/
 962
 963             NC_DrawMaxButton( hwnd, hdc, FALSE, (!(style & WS_MAXIMIZEBOX)));
 964             r.right -= GetSystemMetrics(SM_CXSIZE) + 1;
 965
 966             NC_DrawMinButton( hwnd, hdc, FALSE,  (!(style & WS_MINIMIZEBOX)));
 967             r.right -= GetSystemMetrics(SM_CXSIZE) + 1;
 968         }
 969     }
 970
 971     if (InternalGetWindowText( hwnd, buffer, sizeof(buffer)/sizeof(WCHAR) ))
 972     {
 973         NONCLIENTMETRICSW nclm;
 974         HFONT hFont, hOldFont;
 975         nclm.cbSize = sizeof(nclm);
 976         SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, 0, &nclm, 0);
 977         if (exStyle & WS_EX_TOOLWINDOW)
 978             hFont = CreateFontIndirectW (&nclm.lfSmCaptionFont);
 979         else
 980             hFont = CreateFontIndirectW (&nclm.lfCaptionFont);
 981         hOldFont = SelectObject (hdc, hFont);
 982         if (active) SetTextColor( hdc, GetSysColor( COLOR_CAPTIONTEXT ) );
 983         else SetTextColor( hdc, GetSysColor( COLOR_INACTIVECAPTIONTEXT ) );
 984         SetBkMode( hdc, TRANSPARENT );
 985         r.left += 2;
 986         DrawTextW( hdc, buffer, -1, &r,
 987                      DT_SINGLELINE | DT_VCENTER | DT_NOPREFIX | DT_LEFT );
 988         DeleteObject (SelectObject (hdc, hOldFont));
 989     }
 990 }
 991
 992
 993 /******************************************************************************
 994  *   NC_DoNCPaint
 995  *
 996  *   Paint the non-client area for windows.
 997  */
 998 static void  NC_DoNCPaint( HWND  hwnd, HRGN  clip, BOOL  suppress_menupaint )
 999 {
1000     HDC hdc;
1001     RECT rfuzz, rect, rectClip;
1002     BOOL active;
1003     WND *wndPtr;
1004     DWORD dwStyle, dwExStyle;
1005     WORD flags;
1006     HRGN hrgn;
1007     RECT rectClient, rectWindow;
1008     int has_menu;
1009
1010     if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return;
1011     has_menu = HAS_MENU(wndPtr);
1012     dwStyle = wndPtr->dwStyle;
1013     dwExStyle = wndPtr->dwExStyle;
1014     flags = wndPtr->flags;
1015     rectWindow = wndPtr->rectWindow;
1016     WIN_ReleasePtr( wndPtr );
1017
1018     if ( dwStyle & WS_MINIMIZE ||
1019          !WIN_IsWindowDrawable( hwnd, 0 )) return; /* Nothing to do */
1020
1021     active  = flags & WIN_NCACTIVATED;
1022
1023     TRACE("%p %d\n", hwnd, active );
1024
1025     /* MSDN docs are pretty idiotic here, they say app CAN use clipRgn in
1026        the call to GetDCEx implying that it is allowed not to use it either.
1027        However, the suggested GetDCEx(    , DCX_WINDOW | DCX_INTERSECTRGN)
1028        will cause clipRgn to be deleted after ReleaseDC().
1029        Now, how is the "system" supposed to tell what happened?
1030      */
1031
1032     GetClientRect( hwnd, &rectClient );
1033     MapWindowPoints( hwnd, 0, (POINT *)&rectClient, 2 );
1034     hrgn = CreateRectRgnIndirect( &rectClient );
1035
1036     if (clip > (HRGN)1)
1037     {
1038         CombineRgn( hrgn, clip, hrgn, RGN_DIFF );
1039         hdc = GetDCEx( hwnd, hrgn, DCX_USESTYLE | DCX_WINDOW | DCX_INTERSECTRGN );
1040     }
1041     else
1042     {
1043         hdc = GetDCEx( hwnd, hrgn, DCX_USESTYLE | DCX_WINDOW | DCX_EXCLUDERGN );
1044     }
1045
1046     if (!hdc) return;
1047
1048     rect.top = rect.left = 0;
1049     rect.right  = rectWindow.right - rectWindow.left;
1050     rect.bottom = rectWindow.bottom - rectWindow.top;
1051     GetClipBox( hdc, &rectClip );
1052
1053     SelectObject( hdc, SYSCOLOR_GetPen(COLOR_WINDOWFRAME) );
1054
1055     if (HAS_STATICOUTERFRAME(dwStyle, dwExStyle)) {
1056         DrawEdge (hdc, &rect, BDR_SUNKENOUTER, BF_RECT | BF_ADJUST);
1057     }
1058     else if (HAS_BIGFRAME( dwStyle, dwExStyle)) {
1059         DrawEdge (hdc, &rect, EDGE_RAISED, BF_RECT | BF_ADJUST);
1060     }
1061
1062     NC_DrawFrame(hdc, &rect, active, dwStyle, dwExStyle );
1063
1064     if ((dwStyle & WS_CAPTION) == WS_CAPTION)
1065     {
1066         RECT  r = rect;
1067         if (dwExStyle & WS_EX_TOOLWINDOW) {
1068             r.bottom = rect.top + GetSystemMetrics(SM_CYSMCAPTION);
1069             rect.top += GetSystemMetrics(SM_CYSMCAPTION);
1070         }
1071         else {
1072             r.bottom = rect.top + GetSystemMetrics(SM_CYCAPTION);
1073             rect.top += GetSystemMetrics(SM_CYCAPTION);
1074         }
1075         if( IntersectRect( &rfuzz, &r, &rectClip ) )
1076             NC_DrawCaption(hdc, &r, hwnd, dwStyle, dwExStyle, active);
1077     }
1078
1079     if (has_menu)
1080     {
1081         RECT r = rect;
1082         r.bottom = rect.top + GetSystemMetrics(SM_CYMENU);
1083
1084         TRACE("Calling DrawMenuBar with rect (%ld, %ld)-(%ld, %ld)\n",
1085               r.left, r.top, r.right, r.bottom);
1086
1087         rect.top += MENU_DrawMenuBar( hdc, &r, hwnd, suppress_menupaint ) + 1;
1088     }
1089
1090     TRACE("After MenuBar, rect is (%ld, %ld)-(%ld, %ld).\n",
1091           rect.left, rect.top, rect.right, rect.bottom );
1092
1093     if (dwExStyle & WS_EX_CLIENTEDGE)
1094         DrawEdge (hdc, &rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
1095
1096     /* Draw the scroll-bars */
1097
1098     if (dwStyle & WS_VSCROLL)
1099         SCROLL_DrawScrollBar( hwnd, hdc, SB_VERT, TRUE, TRUE );
1100     if (dwStyle & WS_HSCROLL)
1101         SCROLL_DrawScrollBar( hwnd, hdc, SB_HORZ, TRUE, TRUE );
1102
1103     /* Draw the "size-box" */
1104     if ((dwStyle & WS_VSCROLL) && (dwStyle & WS_HSCROLL))
1105     {
1106         RECT r = rect;
1107         if((dwExStyle & WS_EX_LEFTSCROLLBAR) != 0)
1108             r.right = r.left + GetSystemMetrics(SM_CXVSCROLL) + 1;
1109         else
1110             r.left = r.right - GetSystemMetrics(SM_CXVSCROLL) + 1;
1111         r.top  = r.bottom - GetSystemMetrics(SM_CYHSCROLL) + 1;
1112         FillRect( hdc, &r,  GetSysColorBrush(COLOR_SCROLLBAR) );
1113     }
1114
1115     ReleaseDC( hwnd, hdc );
1116 }
1117
1118
1119
1120
1121 /***********************************************************************
1122  *           NC_HandleNCPaint
1123  *
1124  * Handle a WM_NCPAINT message. Called from DefWindowProc().
1125  */
1126 LRESULT NC_HandleNCPaint( HWND hwnd , HRGN clip)
1127 {
1128     DWORD dwStyle = GetWindowLongW( hwnd, GWL_STYLE );
1129
1130     if( dwStyle & WS_VISIBLE )
1131     {
1132         if( dwStyle & WS_MINIMIZE )
1133             WINPOS_RedrawIconTitle( hwnd );
1134         else
1135             NC_DoNCPaint( hwnd, clip, FALSE );
1136     }
1137     return 0;
1138 }
1139
1140
1141 /***********************************************************************
1142  *           NC_HandleNCActivate
1143  *
1144  * Handle a WM_NCACTIVATE message. Called from DefWindowProc().
1145  */
1146 LRESULT NC_HandleNCActivate( HWND hwnd, WPARAM wParam )
1147 {
1148     WND* wndPtr = WIN_GetPtr( hwnd );
1149
1150     if (!wndPtr || wndPtr == WND_OTHER_PROCESS) return FALSE;
1151
1152     /* Lotus Notes draws menu descriptions in the caption of its main
1153      * window. When it wants to restore original "system" view, it just
1154      * sends WM_NCACTIVATE message to itself. Any optimizations here in
1155      * attempt to minimize redrawings lead to a not restored caption.
1156      */
1157     if (wParam) wndPtr->flags |= WIN_NCACTIVATED;
1158     else wndPtr->flags &= ~WIN_NCACTIVATED;
1159     WIN_ReleasePtr( wndPtr );
1160
1161     if (IsIconic(hwnd))
1162         WINPOS_RedrawIconTitle( hwnd );
1163     else
1164         NC_DoNCPaint( hwnd, (HRGN)1, FALSE );
1165
1166     return TRUE;
1167 }
1168
1169
1170 /***********************************************************************
1171  *           NC_HandleSetCursor
1172  *
1173  * Handle a WM_SETCURSOR message. Called from DefWindowProc().
1174  */
1175 LRESULT NC_HandleSetCursor( HWND hwnd, WPARAM wParam, LPARAM lParam )
1176 {
1177     hwnd = WIN_GetFullHandle( (HWND)wParam );
1178
1179     switch((short)LOWORD(lParam))
1180     {
1181     case HTERROR:
1182         {
1183             WORD msg = HIWORD( lParam );
1184             if ((msg == WM_LBUTTONDOWN) || (msg == WM_MBUTTONDOWN) ||
1185                 (msg == WM_RBUTTONDOWN) || (msg == WM_XBUTTONDOWN))
1186                 MessageBeep(0);
1187         }
1188         break;
1189
1190     case HTCLIENT:
1191         {
1192             HCURSOR hCursor = (HCURSOR)GetClassLongPtrW(hwnd, GCLP_HCURSOR);
1193             if(hCursor) {
1194                 SetCursor(hCursor);
1195                 return TRUE;
1196             }
1197             return FALSE;
1198         }
1199
1200     case HTLEFT:
1201     case HTRIGHT:
1202         return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_SIZEWE ) );
1203
1204     case HTTOP:
1205     case HTBOTTOM:
1206         return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_SIZENS ) );
1207
1208     case HTTOPLEFT:
1209     case HTBOTTOMRIGHT:
1210         return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_SIZENWSE ) );
1211
1212     case HTTOPRIGHT:
1213     case HTBOTTOMLEFT:
1214         return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_SIZENESW ) );
1215     }
1216
1217     /* Default cursor: arrow */
1218     return (LRESULT)SetCursor( LoadCursorA( 0, (LPSTR)IDC_ARROW ) );
1219 }
1220
1221 /***********************************************************************
1222  *           NC_GetSysPopupPos
1223  */
1224 void NC_GetSysPopupPos( HWND hwnd, RECT* rect )
1225 {
1226     if (IsIconic(hwnd)) GetWindowRect( hwnd, rect );
1227     else
1228     {
1229         WND *wndPtr = WIN_GetPtr( hwnd );
1230         if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return;
1231
1232         NC_GetInsideRect( hwnd, rect );
1233         OffsetRect( rect, wndPtr->rectWindow.left, wndPtr->rectWindow.top);
1234         if (wndPtr->dwStyle & WS_CHILD)
1235             ClientToScreen( GetParent(hwnd), (POINT *)rect );
1236         rect->right = rect->left + GetSystemMetrics(SM_CYCAPTION) - 1;
1237         rect->bottom = rect->top + GetSystemMetrics(SM_CYCAPTION) - 1;
1238         WIN_ReleasePtr( wndPtr );
1239     }
1240 }
1241
1242 /***********************************************************************
1243  *           NC_TrackMinMaxBox
1244  *
1245  * Track a mouse button press on the minimize or maximize box.
1246  *
1247  * The big difference between 3.1 and 95 is the disabled button state.
1248  * In win95 the system button can be disabled, so it can ignore the mouse
1249  * event.
1250  *
1251  */
1252 static void NC_TrackMinMaxBox( HWND hwnd, WORD wParam )
1253 {
1254     MSG msg;
1255     HDC hdc = GetWindowDC( hwnd );
1256     BOOL pressed = TRUE;
1257     UINT state;
1258     DWORD wndStyle = GetWindowLongW( hwnd, GWL_STYLE);
1259     HMENU hSysMenu = GetSystemMenu(hwnd, FALSE);
1260
1261     void  (*paintButton)(HWND, HDC, BOOL, BOOL);
1262
1263     if (wParam == HTMINBUTTON)
1264     {
1265         /* If the style is not present, do nothing */
1266         if (!(wndStyle & WS_MINIMIZEBOX))
1267             return;
1268
1269         /* Check if the sysmenu item for minimize is there  */
1270         state = GetMenuState(hSysMenu, SC_MINIMIZE, MF_BYCOMMAND);
1271
1272         paintButton = &NC_DrawMinButton;
1273     }
1274     else
1275     {
1276         /* If the style is not present, do nothing */
1277         if (!(wndStyle & WS_MAXIMIZEBOX))
1278             return;
1279
1280         /* Check if the sysmenu item for maximize is there  */
1281         state = GetMenuState(hSysMenu, SC_MAXIMIZE, MF_BYCOMMAND);
1282
1283         paintButton = &NC_DrawMaxButton;
1284     }
1285
1286     SetCapture( hwnd );
1287
1288     (*paintButton)( hwnd, hdc, TRUE, FALSE);
1289
1290     while(1)
1291     {
1292         BOOL oldstate = pressed;
1293
1294         if (!GetMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST )) break;
1295         if (CallMsgFilterW( &msg, MSGF_MAX )) continue;
1296
1297         if(msg.message == WM_LBUTTONUP)
1298             break;
1299
1300         if(msg.message != WM_MOUSEMOVE)
1301             continue;
1302
1303         pressed = (NC_HandleNCHitTest( hwnd, msg.pt ) == wParam);
1304         if (pressed != oldstate)
1305            (*paintButton)( hwnd, hdc, pressed, FALSE);
1306     }
1307
1308     if(pressed)
1309         (*paintButton)(hwnd, hdc, FALSE, FALSE);
1310
1311     ReleaseCapture();
1312     ReleaseDC( hwnd, hdc );
1313
1314     /* If the item minimize or maximize of the sysmenu are not there */
1315     /* or if the style is not present, do nothing */
1316     if ((!pressed) || (state == 0xFFFFFFFF))
1317         return;
1318
1319     if (wParam == HTMINBUTTON)
1320         SendMessageW( hwnd, WM_SYSCOMMAND, SC_MINIMIZE, MAKELONG(msg.pt.x,msg.pt.y) );
1321     else
1322         SendMessageW( hwnd, WM_SYSCOMMAND,
1323                       IsZoomed(hwnd) ? SC_RESTORE:SC_MAXIMIZE, MAKELONG(msg.pt.x,msg.pt.y) );
1324 }
1325
1326 /***********************************************************************
1327  * NC_TrackCloseButton
1328  *
1329  * Track a mouse button press on the Win95 close button.
1330  */
1331 static void NC_TrackCloseButton (HWND hwnd, WORD wParam)
1332 {
1333     MSG msg;
1334     HDC hdc;
1335     BOOL pressed = TRUE;
1336     HMENU hSysMenu = GetSystemMenu(hwnd, FALSE);
1337     UINT state;
1338
1339     if(hSysMenu == 0)
1340         return;
1341
1342     state = GetMenuState(hSysMenu, SC_CLOSE, MF_BYCOMMAND);
1343
1344     /* If the item close of the sysmenu is disabled or not there do nothing */
1345     if((state & MF_DISABLED) || (state & MF_GRAYED) || (state == 0xFFFFFFFF))
1346         return;
1347
1348     hdc = GetWindowDC( hwnd );
1349
1350     SetCapture( hwnd );
1351
1352     NC_DrawCloseButton (hwnd, hdc, TRUE, FALSE);
1353
1354     while(1)
1355     {
1356         BOOL oldstate = pressed;
1357
1358         if (!GetMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST )) break;
1359         if (CallMsgFilterW( &msg, MSGF_MAX )) continue;
1360
1361         if(msg.message == WM_LBUTTONUP)
1362             break;
1363
1364         if(msg.message != WM_MOUSEMOVE)
1365             continue;
1366
1367         pressed = (NC_HandleNCHitTest( hwnd, msg.pt ) == wParam);
1368         if (pressed != oldstate)
1369            NC_DrawCloseButton (hwnd, hdc, pressed, FALSE);
1370     }
1371
1372     if(pressed)
1373         NC_DrawCloseButton (hwnd, hdc, FALSE, FALSE);
1374
1375     ReleaseCapture();
1376     ReleaseDC( hwnd, hdc );
1377     if (!pressed) return;
1378
1379     SendMessageW( hwnd, WM_SYSCOMMAND, SC_CLOSE, MAKELONG(msg.pt.x,msg.pt.y) );
1380 }
1381
1382
1383 /***********************************************************************
1384  *           NC_TrackScrollBar
1385  *
1386  * Track a mouse button press on the horizontal or vertical scroll-bar.
1387  */
1388 static void NC_TrackScrollBar( HWND hwnd, WPARAM wParam, POINT pt )
1389 {
1390     INT scrollbar;
1391
1392     if ((wParam & 0xfff0) == SC_HSCROLL)
1393     {
1394         if ((wParam & 0x0f) != HTHSCROLL) return;
1395         scrollbar = SB_HORZ;
1396     }
1397     else  /* SC_VSCROLL */
1398     {
1399         if ((wParam & 0x0f) != HTVSCROLL) return;
1400         scrollbar = SB_VERT;
1401     }
1402     SCROLL_TrackScrollBar( hwnd, scrollbar, pt );
1403 }
1404
1405
1406 /***********************************************************************
1407  *           NC_HandleNCLButtonDown
1408  *
1409  * Handle a WM_NCLBUTTONDOWN message. Called from DefWindowProc().
1410  */
1411 LRESULT NC_HandleNCLButtonDown( HWND hwnd, WPARAM wParam, LPARAM lParam )
1412 {
1413     LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1414
1415     switch(wParam)  /* Hit test */
1416     {
1417     case HTCAPTION:
1418         {
1419             HWND top = GetAncestor( hwnd, GA_ROOT );
1420
1421             if (FOCUS_MouseActivate( top ) || (GetActiveWindow() == top))
1422                 SendMessageW( hwnd, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, lParam );
1423             break;
1424         }
1425
1426     case HTSYSMENU:
1427          if( style & WS_SYSMENU )
1428          {
1429              if( !(style & WS_MINIMIZE) )
1430              {
1431                 HDC hDC = GetWindowDC(hwnd);
1432                 NC_DrawSysButton( hwnd, hDC, TRUE );
1433                 ReleaseDC( hwnd, hDC );
1434              }
1435              SendMessageW( hwnd, WM_SYSCOMMAND, SC_MOUSEMENU + HTSYSMENU, lParam );
1436          }
1437          break;
1438
1439     case HTMENU:
1440         SendMessageW( hwnd, WM_SYSCOMMAND, SC_MOUSEMENU, lParam );
1441         break;
1442
1443     case HTHSCROLL:
1444         SendMessageW( hwnd, WM_SYSCOMMAND, SC_HSCROLL + HTHSCROLL, lParam );
1445         break;
1446
1447     case HTVSCROLL:
1448         SendMessageW( hwnd, WM_SYSCOMMAND, SC_VSCROLL + HTVSCROLL, lParam );
1449         break;
1450
1451     case HTMINBUTTON:
1452     case HTMAXBUTTON:
1453         NC_TrackMinMaxBox( hwnd, wParam );
1454         break;
1455
1456     case HTCLOSE:
1457         NC_TrackCloseButton (hwnd, wParam);
1458         break;
1459
1460     case HTLEFT:
1461     case HTRIGHT:
1462     case HTTOP:
1463     case HTTOPLEFT:
1464     case HTTOPRIGHT:
1465     case HTBOTTOM:
1466     case HTBOTTOMLEFT:
1467     case HTBOTTOMRIGHT:
1468         /* Old comment:
1469          * "make sure hittest fits into 0xf and doesn't overlap with HTSYSMENU"
1470          * This was previously done by setting wParam=SC_SIZE + wParam - 2
1471          */
1472         /* But that is not what WinNT does. Instead it sends this. This
1473          * is easy to differentiate from HTSYSMENU, because HTSYSMENU adds
1474          * SC_MOUSEMENU into wParam.
1475          */
1476         SendMessageW( hwnd, WM_SYSCOMMAND, SC_SIZE + wParam - (HTLEFT-WMSZ_LEFT), lParam);
1477         break;
1478
1479     case HTBORDER:
1480         break;
1481     }
1482     return 0;
1483 }
1484
1485
1486 /***********************************************************************
1487  *           NC_HandleNCLButtonDblClk
1488  *
1489  * Handle a WM_NCLBUTTONDBLCLK message. Called from DefWindowProc().
1490  */
1491 LRESULT NC_HandleNCLButtonDblClk( HWND hwnd, WPARAM wParam, LPARAM lParam )
1492 {
1493     /*
1494      * if this is an icon, send a restore since we are handling
1495      * a double click
1496      */
1497     if (IsIconic(hwnd))
1498     {
1499         SendMessageW( hwnd, WM_SYSCOMMAND, SC_RESTORE, lParam );
1500         return 0;
1501     }
1502
1503     switch(wParam)  /* Hit test */
1504     {
1505     case HTCAPTION:
1506         /* stop processing if WS_MAXIMIZEBOX is missing */
1507         if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_MAXIMIZEBOX)
1508             SendMessageW( hwnd, WM_SYSCOMMAND,
1509                           IsZoomed(hwnd) ? SC_RESTORE : SC_MAXIMIZE, lParam );
1510         break;
1511
1512     case HTSYSMENU:
1513         {
1514             HMENU hSysMenu = GetSystemMenu(hwnd, FALSE);
1515             UINT state = GetMenuState(hSysMenu, SC_CLOSE, MF_BYCOMMAND);
1516
1517             /* If the item close of the sysmenu is disabled or not there do nothing */
1518             if ((state & (MF_DISABLED | MF_GRAYED)) || (state == 0xFFFFFFFF))
1519                 break;
1520
1521             SendMessageW( hwnd, WM_SYSCOMMAND, SC_CLOSE, lParam );
1522             break;
1523         }
1524
1525     case HTHSCROLL:
1526         SendMessageW( hwnd, WM_SYSCOMMAND, SC_HSCROLL + HTHSCROLL, lParam );
1527         break;
1528
1529     case HTVSCROLL:
1530         SendMessageW( hwnd, WM_SYSCOMMAND, SC_VSCROLL + HTVSCROLL, lParam );
1531         break;
1532     }
1533     return 0;
1534 }
1535
1536
1537 /***********************************************************************
1538  *           NC_HandleSysCommand
1539  *
1540  * Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
1541  */
1542 LRESULT NC_HandleSysCommand( HWND hwnd, WPARAM wParam, LPARAM lParam )
1543 {
1544     TRACE("Handling WM_SYSCOMMAND %x %lx\n", wParam, lParam );
1545
1546     if (HOOK_CallHooks( WH_CBT, HCBT_SYSCOMMAND, wParam, lParam, TRUE ))
1547         return 0;
1548
1549     switch (wParam & 0xfff0)
1550     {
1551     case SC_SIZE:
1552     case SC_MOVE:
1553         USER_Driver->pSysCommandSizeMove( hwnd, wParam );
1554         break;
1555
1556     case SC_MINIMIZE:
1557         if (hwnd == GetForegroundWindow())
1558             ShowOwnedPopups(hwnd,FALSE);
1559         ShowWindow( hwnd, SW_MINIMIZE );
1560         break;
1561
1562     case SC_MAXIMIZE:
1563         if (IsIconic(hwnd) && hwnd == GetForegroundWindow())
1564             ShowOwnedPopups(hwnd,TRUE);
1565         ShowWindow( hwnd, SW_MAXIMIZE );
1566         break;
1567
1568     case SC_RESTORE:
1569         if (IsIconic(hwnd) && hwnd == GetForegroundWindow())
1570             ShowOwnedPopups(hwnd,TRUE);
1571         ShowWindow( hwnd, SW_RESTORE );
1572         break;
1573
1574     case SC_CLOSE:
1575         return SendMessageW( hwnd, WM_CLOSE, 0, 0 );
1576
1577     case SC_VSCROLL:
1578     case SC_HSCROLL:
1579         {
1580             POINT pt;
1581             pt.x = (short)LOWORD(lParam);
1582             pt.y = (short)HIWORD(lParam);
1583             NC_TrackScrollBar( hwnd, wParam, pt );
1584         }
1585         break;
1586
1587     case SC_MOUSEMENU:
1588         {
1589             POINT pt;
1590             pt.x = (short)LOWORD(lParam);
1591             pt.y = (short)HIWORD(lParam);
1592             MENU_TrackMouseMenuBar( hwnd, wParam & 0x000F, pt );
1593         }
1594         break;
1595
1596     case SC_KEYMENU:
1597         MENU_TrackKbdMenuBar( hwnd, wParam, (WCHAR)lParam );
1598         break;
1599
1600     case SC_TASKLIST:
1601         WinExec( "taskman.exe", SW_SHOWNORMAL );
1602         break;
1603
1604     case SC_SCREENSAVE:
1605         if (wParam == SC_ABOUTWINE)
1606         {
1607             HMODULE hmodule = LoadLibraryA( "shell32.dll" );
1608             if (hmodule)
1609             {
1610                 FARPROC aboutproc = GetProcAddress( hmodule, "ShellAboutA" );
1611                 if (aboutproc) aboutproc( hwnd, PACKAGE_NAME, PACKAGE_STRING, 0 );
1612                 FreeLibrary( hmodule );
1613             }
1614         }
1615         else
1616           if (wParam == SC_PUTMARK)
1617             DPRINTF("Debug mark requested by user\n");
1618         break;
1619
1620     case SC_HOTKEY:
1621     case SC_ARRANGE:
1622     case SC_NEXTWINDOW:
1623     case SC_PREVWINDOW:
1624         FIXME("unimplemented WM_SYSCOMMAND %04x!\n", wParam);
1625         break;
1626     }
1627     return 0;
1628 }
1629
1630 /*************************************************************
1631 *  NC_DrawGrayButton
1632 *
1633 * Stub for the grayed button of the caption
1634 *
1635 *************************************************************/
1636
1637 BOOL NC_DrawGrayButton(HDC hdc, int x, int y)
1638 {
1639     HBITMAP hMaskBmp;
1640     HDC hdcMask;
1641     HBRUSH hOldBrush;
1642
1643     hMaskBmp = CreateBitmap (12, 10, 1, 1, lpGrayMask);
1644
1645     if(hMaskBmp == 0)
1646         return FALSE;
1647
1648     hdcMask = CreateCompatibleDC (0);
1649     SelectObject (hdcMask, hMaskBmp);
1650
1651     /* Draw the grayed bitmap using the mask */
1652     hOldBrush = SelectObject (hdc, (HGDIOBJ)RGB(128, 128, 128));
1653     BitBlt (hdc, x, y, 12, 10,
1654             hdcMask, 0, 0, 0xB8074A);
1655
1656     /* Clean up */
1657     SelectObject (hdc, hOldBrush);
1658     DeleteObject(hMaskBmp);
1659     DeleteDC (hdcMask);
1660
1661     return TRUE;
1662 }
1663
1664 /***********************************************************************
1665  *              GetTitleBarInfo (USER32.@)
1666  * TODO: Handle STATE_SYSTEM_PRESSED
1667  */
1668 BOOL WINAPI GetTitleBarInfo(HWND hwnd, PTITLEBARINFO tbi) {
1669     DWORD dwStyle;
1670     DWORD dwExStyle;
1671     RECT wndRect;
1672
1673     TRACE("(%p %p)\n", hwnd, tbi);
1674
1675     if(tbi->cbSize != sizeof(TITLEBARINFO)) {
1676         TRACE("Invalid TITLEBARINFO size: %ld\n", tbi->cbSize);
1677         SetLastError(ERROR_INVALID_PARAMETER);
1678         return FALSE;
1679     }
1680     dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
1681     dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
1682     NC_GetInsideRect(hwnd, &tbi->rcTitleBar);
1683
1684     GetWindowRect(hwnd, &wndRect);
1685
1686     tbi->rcTitleBar.top += wndRect.top;
1687     tbi->rcTitleBar.left += wndRect.left;
1688     tbi->rcTitleBar.right += wndRect.left;
1689
1690     tbi->rcTitleBar.bottom = tbi->rcTitleBar.top;
1691     if(dwExStyle & WS_EX_TOOLWINDOW)
1692         tbi->rcTitleBar.bottom += GetSystemMetrics(SM_CYSMCAPTION);
1693     else {
1694         tbi->rcTitleBar.bottom += GetSystemMetrics(SM_CYCAPTION);
1695         tbi->rcTitleBar.left += GetSystemMetrics(SM_CXSIZE);
1696     }
1697
1698     ZeroMemory(&tbi->rgstate, sizeof(tbi->rgstate));
1699     /* Does the title bar always have STATE_SYSTEM_FOCUSABLE?
1700      * Under XP it seems to
1701      */
1702     tbi->rgstate[0] = STATE_SYSTEM_FOCUSABLE;
1703     if(dwStyle & WS_CAPTION) {
1704         tbi->rgstate[1] = STATE_SYSTEM_INVISIBLE;
1705         if(dwStyle & WS_SYSMENU) {
1706             if(!(dwStyle & (WS_MINIMIZEBOX|WS_MAXIMIZEBOX))) {
1707                 tbi->rgstate[2] = STATE_SYSTEM_INVISIBLE;
1708                 tbi->rgstate[3] = STATE_SYSTEM_INVISIBLE;
1709             }
1710             else {
1711                 if(!(dwStyle & WS_MINIMIZEBOX))
1712                     tbi->rgstate[2] = STATE_SYSTEM_UNAVAILABLE;
1713                 if(!(dwStyle & WS_MAXIMIZEBOX))
1714                     tbi->rgstate[3] = STATE_SYSTEM_UNAVAILABLE;
1715             }
1716             if(!(dwExStyle & WS_EX_CONTEXTHELP))
1717                 tbi->rgstate[4] = STATE_SYSTEM_INVISIBLE;
1718             if(GetClassLongW(hwnd, GCL_STYLE) & CS_NOCLOSE)
1719                 tbi->rgstate[5] = STATE_SYSTEM_UNAVAILABLE;
1720         }
1721         else {
1722             tbi->rgstate[2] = STATE_SYSTEM_INVISIBLE;
1723             tbi->rgstate[3] = STATE_SYSTEM_INVISIBLE;
1724             tbi->rgstate[4] = STATE_SYSTEM_INVISIBLE;
1725             tbi->rgstate[5] = STATE_SYSTEM_INVISIBLE;
1726         }
1727     }
1728     else
1729         tbi->rgstate[0] |= STATE_SYSTEM_INVISIBLE;
1730     return TRUE;
1731 }