controls/menu.c

   1 /*
   2  * Menu functions
   3  *
   4  * Copyright 1993 Martin Ayotte
   5  * Copyright 1994 Alexandre Julliard
   6  */
   7
   8 /*
   9  * Note: the style MF_MOUSESELECT is used to mark popup items that
  10  * have been selected, i.e. their popup menu is currently displayed.
  11  * This is probably not the meaning this style has in MS-Windows.
  12  */
  13
  14 #include <ctype.h>
  15 #include <stdlib.h>
  16 #include <stdio.h>
  17 #include <string.h>
  18 #include "windows.h"
  19 #include "syscolor.h"
  20 #include "sysmetrics.h"
  21 #include "menu.h"
  22 #include "user.h"
  23 #include "win.h"
  24 #include "library.h"
  25 #include "message.h"
  26 #include "graphics.h"
  27 #include "stddebug.h"
  28 /* #define DEBUG_MENU */
  29 /* #define DEBUG_MENUCALC */
  30 /* #define DEBUG_MENUSHORTCUT */
  31 #include "debug.h"
  32
  33
  34   /* Dimension of the menu bitmaps */
  35 static WORD check_bitmap_width = 0, check_bitmap_height = 0;
  36 static WORD arrow_bitmap_width = 0, arrow_bitmap_height = 0;
  37
  38   /* Flag set by EndMenu() to force an exit from menu tracking */
  39 static BOOL fEndMenuCalled = FALSE;
  40
  41   /* Space between 2 menu bar items */
  42 #define MENU_BAR_ITEMS_SPACE  16
  43
  44   /* Minimum width of a tab character */
  45 #define MENU_TAB_SPACE        8
  46
  47   /* Height of a separator item */
  48 #define SEPARATOR_HEIGHT      5
  49
  50   /* Values for menu->FocusedItem */
  51   /* (other values give the position of the focused item) */
  52 #define NO_SELECTED_ITEM  0xffff
  53 #define SYSMENU_SELECTED  0xfffe  /* Only valid on menu-bars */
  54
  55 #define IS_STRING_ITEM(flags) (!((flags) & (MF_BITMAP | MF_OWNERDRAW | \
  56                              MF_MENUBARBREAK | MF_MENUBREAK | MF_SEPARATOR)))
  57
  58
  59 extern void NC_DrawSysButton(HWND hwnd, HDC hdc, BOOL down);  /* nonclient.c */
  60
  61 static HBITMAP hStdCheck = 0;
  62 static HBITMAP hStdMnArrow = 0;
  63
  64 HMENU CopySysMenu();
  65 WORD * ParseMenuResource(WORD *first_item, int level, HMENU hMenu);
  66
  67
  68 /***********************************************************************
  69  *           MENU_Init
  70  *
  71  * Menus initialisation.
  72  */
  73 BOOL MENU_Init()
  74 {
  75     BITMAP bm;
  76
  77       /* Load bitmaps */
  78
  79     if (!(hStdCheck = LoadBitmap( 0, MAKEINTRESOURCE(OBM_CHECK) )))
  80         return FALSE;
  81     GetObject( hStdCheck, sizeof(BITMAP), (LPSTR)&bm );
  82     check_bitmap_width = bm.bmWidth;
  83     check_bitmap_height = bm.bmHeight;
  84     if (!(hStdMnArrow = LoadBitmap( 0, MAKEINTRESOURCE(OBM_MNARROW) )))
  85         return FALSE;
  86     GetObject( hStdMnArrow, sizeof(BITMAP), (LPSTR)&bm );
  87     arrow_bitmap_width = bm.bmWidth;
  88     arrow_bitmap_height = bm.bmHeight;
  89
  90     return TRUE;
  91 }
  92
  93
  94 /***********************************************************************
  95  *           MENU_HasSysMenu
  96  *
  97  * Check whether the window owning the menu bar has a system menu.
  98  */
  99 static BOOL MENU_HasSysMenu( POPUPMENU *menu )
 100 {
 101     WND *wndPtr;
 102
 103     if (menu->wFlags & MF_POPUP) return FALSE;
 104     if (!(wndPtr = WIN_FindWndPtr( menu->hWnd ))) return FALSE;
 105     return (wndPtr->dwStyle & WS_SYSMENU) != 0;
 106 }
 107
 108
 109 /***********************************************************************
 110  *           MENU_IsInSysMenu
 111  *
 112  * Check whether the point (in screen coords) is in the system menu
 113  * of the window owning the given menu.
 114  */
 115 static BOOL MENU_IsInSysMenu( POPUPMENU *menu, POINT pt )
 116 {
 117     WND *wndPtr;
 118
 119     if (menu->wFlags & MF_POPUP) return FALSE;
 120     if (!(wndPtr = WIN_FindWndPtr( menu->hWnd ))) return FALSE;
 121     if (!(wndPtr->dwStyle & WS_SYSMENU)) return FALSE;
 122     if ((pt.x < wndPtr->rectClient.left) ||
 123         (pt.x >= wndPtr->rectClient.left+SYSMETRICS_CXSIZE+SYSMETRICS_CXBORDER))
 124         return FALSE;
 125     if ((pt.y >= wndPtr->rectClient.top - menu->Height) ||
 126         (pt.y < wndPtr->rectClient.top - menu->Height -
 127                       SYSMETRICS_CYSIZE - SYSMETRICS_CYBORDER)) return FALSE;
 128     return TRUE;
 129 }
 130
 131
 132 /***********************************************************************
 133  *           MENU_FindItem
 134  *
 135  * Find a menu item. Return a pointer on the item, and modifies *hmenu
 136  * in case the item was in a sub-menu.
 137  */
 138 static MENUITEM *MENU_FindItem( HMENU *hmenu, WORD *nPos, WORD wFlags )
 139 {
 140     POPUPMENU *menu;
 141     MENUITEM *item;
 142     int i;
 143
 144     if (!(menu = (POPUPMENU *) USER_HEAP_ADDR(*hmenu))) return NULL;
 145     item = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 146     if (wFlags & MF_BYPOSITION)
 147     {
 148         if (*nPos >= menu->nItems) return NULL;
 149         return &item[*nPos];
 150     }
 151     else
 152     {
 153         for (i = 0; i < menu->nItems; i++, item++)
 154         {
 155             if (item->item_id == *nPos)
 156             {
 157                 *nPos = i;
 158                 return item;
 159             }
 160             else if (item->item_flags & MF_POPUP)
 161             {
 162                 HMENU hsubmenu = (HMENU)item->item_id;
 163                 MENUITEM *subitem = MENU_FindItem( &hsubmenu, nPos, wFlags );
 164                 if (subitem)
 165                 {
 166                     *hmenu = hsubmenu;
 167                     return subitem;
 168                 }
 169             }
 170         }
 171     }
 172     return NULL;
 173 }
 174
 175
 176 /***********************************************************************
 177  *           MENU_FindItemByCoords
 178  *
 179  * Find the item at the specified coordinates (screen coords).
 180  */
 181 static MENUITEM *MENU_FindItemByCoords( POPUPMENU *menu, int x, int y, WORD *pos )
 182 {
 183     MENUITEM *item;
 184     WND *wndPtr;
 185     int i;
 186
 187     if (!(wndPtr = WIN_FindWndPtr( menu->hWnd ))) return NULL;
 188     x -= wndPtr->rectWindow.left;
 189     y -= wndPtr->rectWindow.top;
 190     item = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 191     for (i = 0; i < menu->nItems; i++, item++)
 192     {
 193         if ((x >= item->rect.left) && (x < item->rect.right) &&
 194             (y >= item->rect.top) && (y < item->rect.bottom))
 195         {
 196             if (pos) *pos = i;
 197             return item;
 198         }
 199     }
 200     return NULL;
 201 }
 202
 203
 204 /***********************************************************************
 205  *           MENU_FindItemByKey
 206  *
 207  * Find the menu item selected by a key press.
 208  * Return item id, -1 if none, -2 if we should close the menu.
 209  */
 210 static WORD MENU_FindItemByKey( HWND hwndOwner, HMENU hmenu, WORD key )
 211 {
 212     POPUPMENU *menu;
 213     LPMENUITEM lpitem;
 214     int i;
 215     LONG menuchar;
 216
 217     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 218     lpitem = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 219     key = toupper(key);
 220     for (i = 0; i < menu->nItems; i++, lpitem++)
 221     {
 222         if (IS_STRING_ITEM(lpitem->item_flags))
 223         {
 224             char *p = strchr( lpitem->item_text, '&' );
 225             if (p && (p[1] != '&') && (toupper(p[1]) == key)) return i;
 226         }
 227     }
 228     menuchar = SendMessage( hwndOwner, WM_MENUCHAR, key,
 229                             MAKELONG( menu->wFlags, hmenu ) );
 230     if (HIWORD(menuchar) == 2) return LOWORD(menuchar);
 231     if (HIWORD(menuchar) == 1) return -2;
 232     return -1;
 233 }
 234
 235
 236 /***********************************************************************
 237  *           MENU_CalcItemSize
 238  *
 239  * Calculate the size of the menu item and store it in lpitem->rect.
 240  */
 241 static void MENU_CalcItemSize( HDC hdc, LPMENUITEM lpitem, HWND hwndOwner,
 242                                int orgX, int orgY, BOOL menuBar )
 243 {
 244     DWORD dwSize;
 245     char *p;
 246
 247     SetRect( &lpitem->rect, orgX, orgY, orgX, orgY );
 248     lpitem->xTab = 0;
 249
 250     if (lpitem->item_flags & MF_SEPARATOR)
 251     {
 252         lpitem->rect.bottom += SEPARATOR_HEIGHT;
 253         return;
 254     }
 255
 256     if (!menuBar)
 257     {
 258         lpitem->rect.right += 2 * check_bitmap_width;
 259         if (lpitem->item_flags & MF_POPUP)
 260             lpitem->rect.right += arrow_bitmap_width;
 261     }
 262
 263     if (lpitem->item_flags & MF_BITMAP)
 264     {
 265         BITMAP bm;
 266         GetObject( (HBITMAP)lpitem->hText, sizeof(BITMAP), (LPSTR)&bm );
 267         lpitem->rect.right  += bm.bmWidth;
 268         lpitem->rect.bottom += bm.bmHeight;
 269         return;
 270     }
 271
 272       /* If we get here, then it is a text item */
 273
 274     dwSize = (lpitem->item_text == NULL) ? 0 : GetTextExtent( hdc, lpitem->item_text, strlen(lpitem->item_text));
 275     lpitem->rect.right  += LOWORD(dwSize);
 276     lpitem->rect.bottom += max( HIWORD(dwSize), SYSMETRICS_CYMENU );
 277
 278     if (menuBar) lpitem->rect.right += MENU_BAR_ITEMS_SPACE;
 279     else if ((p = strchr( lpitem->item_text, '\t' )) != NULL)
 280     {
 281           /* Item contains a tab (only meaningful in popup menus) */
 282         lpitem->xTab = check_bitmap_width + MENU_TAB_SPACE +
 283                          LOWORD( GetTextExtent( hdc, lpitem->item_text,
 284                                                (int)(p - lpitem->item_text) ));
 285         lpitem->rect.right += MENU_TAB_SPACE;
 286     }
 287     else
 288     {
 289         if (strchr( lpitem->item_text, '\b' ))
 290             lpitem->rect.right += MENU_TAB_SPACE;
 291         lpitem->xTab = lpitem->rect.right - check_bitmap_width
 292                         - arrow_bitmap_width;
 293     }
 294 }
 295
 296
 297 /***********************************************************************
 298  *           MENU_PopupMenuCalcSize
 299  *
 300  * Calculate the size of a popup menu.
 301  */
 302 static void MENU_PopupMenuCalcSize( LPPOPUPMENU lppop, HWND hwndOwner )
 303 {
 304     LPMENUITEM  items, lpitem;
 305     HDC hdc;
 306     int start, i;
 307     int orgX, orgY, maxX, maxTab, maxTabWidth;
 308
 309     lppop->Width = lppop->Height = 0;
 310     if (lppop->nItems == 0) return;
 311     items = (MENUITEM *)USER_HEAP_ADDR( lppop->hItems );
 312     hdc = GetDC( 0 );
 313     maxX = start = 0;
 314     while (start < lppop->nItems)
 315     {
 316         lpitem = &items[start];
 317         orgX = maxX;
 318         orgY = 0;
 319         maxTab = maxTabWidth = 0;
 320
 321           /* Parse items until column break or end of menu */
 322         for (i = start; i < lppop->nItems; i++, lpitem++)
 323         {
 324             if ((i != start) &&
 325                 (lpitem->item_flags & (MF_MENUBREAK | MF_MENUBARBREAK))) break;
 326             MENU_CalcItemSize( hdc, lpitem, hwndOwner, orgX, orgY, FALSE );
 327             maxX = max( maxX, lpitem->rect.right );
 328             orgY = lpitem->rect.bottom;
 329             if (lpitem->xTab)
 330             {
 331                 maxTab = max( maxTab, lpitem->xTab );
 332                 maxTabWidth = max(maxTabWidth,lpitem->rect.right-lpitem->xTab);
 333             }
 334         }
 335
 336           /* Finish the column (set all items to the largest width found) */
 337         maxX = max( maxX, maxTab + maxTabWidth );
 338         for (lpitem = &items[start]; start < i; start++, lpitem++)
 339         {
 340             lpitem->rect.right = maxX;
 341             if (lpitem->xTab) lpitem->xTab = maxTab;
 342         }
 343         lppop->Height = max( lppop->Height, orgY );
 344     }
 345
 346     lppop->Width  = maxX;
 347     ReleaseDC( 0, hdc );
 348 }
 349
 350
 351 /***********************************************************************
 352  *           MENU_MenuBarCalcSize
 353  *
 354  * Calculate the size of the menu bar.
 355  */
 356 static void MENU_MenuBarCalcSize( HDC hdc, LPRECT lprect, LPPOPUPMENU lppop,
 357                                   HWND hwndOwner )
 358 {
 359     LPMENUITEM lpitem, items;
 360     int start, i, orgX, orgY, maxY, helpPos;
 361
 362     if ((lprect == NULL) || (lppop == NULL)) return;
 363     if (lppop->nItems == 0) return;
 364         dprintf_menucalc(stddeb,"MenuBarCalcSize left=%d top=%d right=%d bottom=%d !\n",
 365                 lprect->left, lprect->top, lprect->right, lprect->bottom);
 366     items = (MENUITEM *)USER_HEAP_ADDR( lppop->hItems );
 367     lppop->Width  = lprect->right - lprect->left;
 368     lppop->Height = 0;
 369     maxY = lprect->top;
 370     start = 0;
 371     helpPos = -1;
 372     while (start < lppop->nItems)
 373     {
 374         lpitem = &items[start];
 375         orgX = lprect->left;
 376         orgY = maxY;
 377
 378           /* Parse items until line break or end of menu */
 379         for (i = start; i < lppop->nItems; i++, lpitem++)
 380         {
 381             if ((helpPos == -1) && (lpitem->item_flags & MF_HELP)) helpPos = i;
 382             if ((i != start) &&
 383                 (lpitem->item_flags & (MF_MENUBREAK | MF_MENUBARBREAK))) break;
 384             MENU_CalcItemSize( hdc, lpitem, hwndOwner, orgX, orgY, TRUE );
 385             if (lpitem->rect.right > lprect->right)
 386             {
 387                 if (i != start) break;
 388                 else lpitem->rect.right = lprect->right;
 389             }
 390             maxY = max( maxY, lpitem->rect.bottom );
 391             orgX = lpitem->rect.right;
 392         }
 393
 394           /* Finish the line (set all items to the largest height found) */
 395         while (start < i) items[start++].rect.bottom = maxY;
 396     }
 397
 398     lprect->bottom = maxY;
 399     lppop->Height = lprect->bottom - lprect->top;
 400
 401       /* Flush right all items between the MF_HELP and the last item */
 402       /* (if several lines, only move the last line) */
 403     if (helpPos != -1)
 404     {
 405         lpitem = &items[lppop->nItems-1];
 406         orgY = lpitem->rect.top;
 407         orgX = lprect->right;
 408         for (i = lppop->nItems - 1; i >= helpPos; i--, lpitem--)
 409         {
 410             if (lpitem->rect.top != orgY) break;    /* Other line */
 411             if (lpitem->rect.right >= orgX) break;  /* Too far right already */
 412             lpitem->rect.left += orgX - lpitem->rect.right;
 413             lpitem->rect.right = orgX;
 414             orgX = lpitem->rect.left;
 415         }
 416     }
 417 }
 418
 419
 420 /***********************************************************************
 421  *           MENU_DrawMenuItem
 422  *
 423  * Draw a single menu item.
 424  */
 425 static void MENU_DrawMenuItem( HDC hdc, LPMENUITEM lpitem,
 426                                WORD height, BOOL menuBar )
 427 {
 428     RECT rect;
 429
 430     if (menuBar && (lpitem->item_flags & MF_SEPARATOR)) return;
 431     rect = lpitem->rect;
 432
 433       /* Draw the background */
 434
 435     if (lpitem->item_flags & MF_HILITE)
 436         FillRect( hdc, &rect, sysColorObjects.hbrushHighlight );
 437     else FillRect( hdc, &rect, sysColorObjects.hbrushMenu );
 438     SetBkMode( hdc, TRANSPARENT );
 439
 440       /* Draw the separator bar (if any) */
 441
 442     if (!menuBar && (lpitem->item_flags & MF_MENUBARBREAK))
 443     {
 444         SelectObject( hdc, sysColorObjects.hpenWindowFrame );
 445         MoveTo( hdc, rect.left, 0 );
 446         LineTo( hdc, rect.left, height );
 447     }
 448     if (lpitem->item_flags & MF_SEPARATOR)
 449     {
 450         SelectObject( hdc, sysColorObjects.hpenWindowFrame );
 451         MoveTo( hdc, rect.left, rect.top + SEPARATOR_HEIGHT/2 );
 452         LineTo( hdc, rect.right, rect.top + SEPARATOR_HEIGHT/2 );
 453         return;
 454     }
 455
 456       /* Setup colors */
 457
 458     if (lpitem->item_flags & MF_HILITE)
 459     {
 460         if (lpitem->item_flags & MF_GRAYED)
 461             SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
 462         else
 463             SetTextColor( hdc, GetSysColor( COLOR_HIGHLIGHTTEXT ) );
 464         SetBkColor( hdc, GetSysColor( COLOR_HIGHLIGHT ) );
 465     }
 466     else
 467     {
 468         if (lpitem->item_flags & MF_GRAYED)
 469             SetTextColor( hdc, GetSysColor( COLOR_GRAYTEXT ) );
 470         else
 471             SetTextColor( hdc, GetSysColor( COLOR_MENUTEXT ) );
 472         SetBkColor( hdc, GetSysColor( COLOR_MENU ) );
 473     }
 474
 475     if (!menuBar)
 476     {
 477           /* Draw the check mark */
 478
 479         if (lpitem->item_flags & MF_CHECKED)
 480         {
 481             GRAPH_DrawBitmap(hdc, lpitem->hCheckBit ? lpitem->hCheckBit :
 482                              hStdCheck, rect.left,
 483                              (rect.top+rect.bottom-check_bitmap_height) / 2,
 484                              0, 0, check_bitmap_width, check_bitmap_height );
 485         }
 486         else if (lpitem->hUnCheckBit != 0)  /* Not checked */
 487         {
 488             GRAPH_DrawBitmap(hdc, lpitem->hUnCheckBit, rect.left,
 489                              (rect.top+rect.bottom-check_bitmap_height) / 2,
 490                              0, 0, check_bitmap_width, check_bitmap_height );
 491         }
 492
 493           /* Draw the popup-menu arrow */
 494
 495         if (lpitem->item_flags & MF_POPUP)
 496         {
 497             GRAPH_DrawBitmap( hdc, hStdMnArrow,
 498                               rect.right-arrow_bitmap_width-1,
 499                               (rect.top+rect.bottom-arrow_bitmap_height) / 2,
 500                               0, 0, arrow_bitmap_width, arrow_bitmap_height );
 501         }
 502
 503         rect.left += check_bitmap_width;
 504         rect.right -= arrow_bitmap_width;
 505     }
 506
 507       /* Draw the item text or bitmap */
 508
 509     if (lpitem->item_flags & MF_BITMAP)
 510     {
 511         GRAPH_DrawBitmap( hdc, (HBITMAP)lpitem->hText, rect.left, rect.top,
 512                           0, 0, rect.right-rect.left, rect.bottom-rect.top );
 513         return;
 514     }
 515     /* No bitmap - process text if present */
 516     else if ((lpitem->item_text) != ((char *) NULL))
 517     {
 518         register int i;
 519
 520         if (menuBar)
 521         {
 522             rect.left += MENU_BAR_ITEMS_SPACE / 2;
 523             rect.right -= MENU_BAR_ITEMS_SPACE / 2;
 524             i = strlen( lpitem->item_text );
 525         }
 526         else
 527         {
 528             for (i = 0; lpitem->item_text[i]; i++)
 529                 if ((lpitem->item_text[i] == '\t') ||
 530                     (lpitem->item_text[i] == '\b')) break;
 531         }
 532
 533         DrawText( hdc, lpitem->item_text, i, &rect,
 534                  DT_LEFT | DT_VCENTER | DT_SINGLELINE );
 535
 536         if (lpitem->item_text[i])  /* There's a tab or flush-right char */
 537         {
 538             if (lpitem->item_text[i] == '\t')
 539             {
 540                 rect.left = lpitem->xTab;
 541                 DrawText( hdc, lpitem->item_text + i + 1, -1, &rect,
 542                           DT_LEFT | DT_VCENTER | DT_SINGLELINE );
 543             }
 544             else DrawText( hdc, lpitem->item_text + i + 1, -1, &rect,
 545                            DT_RIGHT | DT_VCENTER | DT_SINGLELINE );
 546         }
 547     }
 548 }
 549
 550
 551 /***********************************************************************
 552  *           MENU_DrawPopupMenu
 553  *
 554  * Paint a popup menu.
 555  */
 556 static void MENU_DrawPopupMenu( HWND hwnd, HDC hdc, HMENU hmenu )
 557 {
 558     POPUPMENU *menu;
 559     MENUITEM *item;
 560     RECT rect;
 561     int i;
 562
 563     GetClientRect( hwnd, &rect );
 564     FillRect( hdc, &rect, sysColorObjects.hbrushMenu );
 565     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 566     if (!menu || !menu->nItems) return;
 567     item = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 568     for (i = menu->nItems; i > 0; i--, item++)
 569         MENU_DrawMenuItem( hdc, item, menu->Height, FALSE );
 570 }
 571
 572
 573 /***********************************************************************
 574  *           MENU_DrawMenuBar
 575  *
 576  * Paint a menu bar. Returns the height of the menu bar.
 577  */
 578 WORD MENU_DrawMenuBar(HDC hDC, LPRECT lprect, HWND hwnd, BOOL suppress_draw)
 579 {
 580     LPPOPUPMENU lppop;
 581     LPMENUITEM lpitem;
 582     int i;
 583     WND *wndPtr = WIN_FindWndPtr( hwnd );
 584
 585     lppop = (LPPOPUPMENU) USER_HEAP_ADDR( wndPtr->wIDmenu );
 586     if (lppop == NULL || lprect == NULL) return SYSMETRICS_CYMENU;
 587     dprintf_menu(stddeb,"MENU_DrawMenuBar(%04X, %p, %p); !\n",
 588                  hDC, lprect, lppop);
 589     if (lppop->Height == 0) MENU_MenuBarCalcSize(hDC, lprect, lppop, hwnd);
 590     lprect->bottom = lprect->top + lppop->Height;
 591     if (suppress_draw) return lppop->Height;
 592
 593     FillRect(hDC, lprect, sysColorObjects.hbrushMenu );
 594     SelectObject( hDC, sysColorObjects.hpenWindowFrame );
 595     MoveTo( hDC, lprect->left, lprect->bottom );
 596     LineTo( hDC, lprect->right, lprect->bottom );
 597
 598     if (lppop->nItems == 0) return SYSMETRICS_CYMENU;
 599     lpitem = (MENUITEM *) USER_HEAP_ADDR( lppop->hItems );
 600     for (i = 0; i < lppop->nItems; i++, lpitem++)
 601     {
 602         MENU_DrawMenuItem( hDC, lpitem, lppop->Height, TRUE );
 603     }
 604     return lppop->Height;
 605 }
 606
 607
 608 /***********************************************************************
 609  *           MENU_ShowPopup
 610  *
 611  * Display a popup menu.
 612  */
 613 static BOOL MENU_ShowPopup(HWND hwndOwner, HMENU hmenu, WORD id, int x, int y)
 614 {
 615     POPUPMENU *menu;
 616
 617     if (!(menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu ))) return FALSE;
 618     if (menu->FocusedItem != NO_SELECTED_ITEM)
 619     {
 620         MENUITEM *item = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 621         item[menu->FocusedItem].item_flags &= ~(MF_HILITE | MF_MOUSESELECT);
 622         menu->FocusedItem = NO_SELECTED_ITEM;
 623     }
 624     SendMessage( hwndOwner, WM_INITMENUPOPUP, hmenu,
 625                  MAKELONG( id, (menu->wFlags & MF_POPUP) ? 1 : 0 ));
 626     MENU_PopupMenuCalcSize( menu, hwndOwner );
 627     if (!menu->hWnd)
 628     {
 629         WND *wndPtr = WIN_FindWndPtr( hwndOwner );
 630         if (!wndPtr) return FALSE;
 631         menu->hWnd = CreateWindow( POPUPMENU_CLASS_NAME, "",
 632                                    WS_POPUP | WS_BORDER, x, y,
 633                                    menu->Width + 2*SYSMETRICS_CXBORDER,
 634                                    menu->Height + 2*SYSMETRICS_CYBORDER,
 635                                    0, 0, wndPtr->hInstance,
 636                                    (LPSTR)(DWORD)hmenu );
 637         if (!menu->hWnd) return FALSE;
 638     }
 639     else SetWindowPos( menu->hWnd, 0, x, y,
 640                        menu->Width + 2*SYSMETRICS_CXBORDER,
 641                        menu->Height + 2*SYSMETRICS_CYBORDER,
 642                        SWP_NOACTIVATE | SWP_NOZORDER );
 643
 644       /* Display the window */
 645
 646     SetWindowPos( menu->hWnd, HWND_TOP, 0, 0, 0, 0,
 647                   SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE );
 648     UpdateWindow( menu->hWnd );
 649     return TRUE;
 650 }
 651
 652
 653 /***********************************************************************
 654  *           MENU_SelectItem
 655  */
 656 static void MENU_SelectItem( HMENU hmenu, WORD wIndex )
 657 {
 658     MENUITEM *items;
 659     LPPOPUPMENU lppop;
 660     HDC hdc;
 661
 662     lppop = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 663     if (!lppop->nItems) return;
 664     items = (MENUITEM *) USER_HEAP_ADDR( lppop->hItems );
 665     if ((wIndex != NO_SELECTED_ITEM) &&
 666         (wIndex != SYSMENU_SELECTED) &&
 667         (items[wIndex].item_flags & MF_SEPARATOR))
 668         wIndex = NO_SELECTED_ITEM;
 669     if (lppop->FocusedItem == wIndex) return;
 670     if (lppop->wFlags & MF_POPUP) hdc = GetDC( lppop->hWnd );
 671     else hdc = GetDCEx( lppop->hWnd, 0, DCX_CACHE | DCX_WINDOW);
 672
 673       /* Clear previous highlighted item */
 674     if (lppop->FocusedItem != NO_SELECTED_ITEM)
 675     {
 676         if (lppop->FocusedItem == SYSMENU_SELECTED)
 677             NC_DrawSysButton( lppop->hWnd, hdc, FALSE );
 678         else
 679         {
 680             items[lppop->FocusedItem].item_flags &=~(MF_HILITE|MF_MOUSESELECT);
 681             MENU_DrawMenuItem( hdc, &items[lppop->FocusedItem], lppop->Height,
 682                                !(lppop->wFlags & MF_POPUP) );
 683         }
 684     }
 685
 686       /* Highlight new item (if any) */
 687     lppop->FocusedItem = wIndex;
 688     if (lppop->FocusedItem != NO_SELECTED_ITEM)
 689     {
 690         if (lppop->FocusedItem == SYSMENU_SELECTED)
 691             NC_DrawSysButton( lppop->hWnd, hdc, TRUE );
 692         else
 693         {
 694             items[lppop->FocusedItem].item_flags |= MF_HILITE;
 695             MENU_DrawMenuItem( hdc, &items[lppop->FocusedItem], lppop->Height,
 696                                !(lppop->wFlags & MF_POPUP) );
 697             SendMessage(lppop->hWnd, WM_MENUSELECT,
 698                         items[lppop->FocusedItem].item_id,
 699                        MAKELONG( hmenu, items[lppop->FocusedItem].item_flags));
 700         }
 701     }
 702     ReleaseDC( lppop->hWnd, hdc );
 703 }
 704
 705
 706 /***********************************************************************
 707  *           MENU_SelectNextItem
 708  */
 709 static void MENU_SelectNextItem( HMENU hmenu )
 710 {
 711     int i;
 712     MENUITEM *items;
 713     POPUPMENU *menu;
 714
 715     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 716     if (!menu->nItems) return;
 717     items = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 718     if ((menu->FocusedItem != NO_SELECTED_ITEM) &&
 719         (menu->FocusedItem != SYSMENU_SELECTED))
 720     {
 721         for (i = menu->FocusedItem+1; i < menu->nItems; i++)
 722         {
 723             if (!(items[i].item_flags & MF_SEPARATOR))
 724             {
 725                 MENU_SelectItem( hmenu, i );
 726                 return;
 727             }
 728         }
 729         if (MENU_HasSysMenu( menu ))
 730         {
 731             MENU_SelectItem( hmenu, SYSMENU_SELECTED );
 732             return;
 733         }
 734     }
 735     for (i = 0; i < menu->nItems; i++)
 736     {
 737         if (!(items[i].item_flags & MF_SEPARATOR))
 738         {
 739             MENU_SelectItem( hmenu, i );
 740             return;
 741         }
 742     }
 743     if (MENU_HasSysMenu( menu )) MENU_SelectItem( hmenu, SYSMENU_SELECTED );
 744 }
 745
 746
 747 /***********************************************************************
 748  *           MENU_SelectPrevItem
 749  */
 750 static void MENU_SelectPrevItem( HMENU hmenu )
 751 {
 752     int i;
 753     MENUITEM *items;
 754     POPUPMENU *menu;
 755
 756     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 757     if (!menu->nItems) return;
 758     items = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
 759     if ((menu->FocusedItem != NO_SELECTED_ITEM) &&
 760         (menu->FocusedItem != SYSMENU_SELECTED))
 761     {
 762         for (i = menu->FocusedItem - 1; i >= 0; i--)
 763         {
 764             if (!(items[i].item_flags & MF_SEPARATOR))
 765             {
 766                 MENU_SelectItem( hmenu, i );
 767                 return;
 768             }
 769         }
 770         if (MENU_HasSysMenu( menu ))
 771         {
 772             MENU_SelectItem( hmenu, SYSMENU_SELECTED );
 773             return;
 774         }
 775     }
 776     for (i = menu->nItems - 1; i > 0; i--)
 777     {
 778         if (!(items[i].item_flags & MF_SEPARATOR))
 779         {
 780             MENU_SelectItem( hmenu, i );
 781             return;
 782         }
 783     }
 784     if (MENU_HasSysMenu( menu )) MENU_SelectItem( hmenu, SYSMENU_SELECTED );
 785 }
 786
 787
 788 /***********************************************************************
 789  *           MENU_GetSubPopup
 790  *
 791  * Return the handle of the selected sub-popup menu (if any).
 792  */
 793 static HMENU MENU_GetSubPopup( HMENU hmenu )
 794 {
 795     POPUPMENU *menu;
 796     MENUITEM *item;
 797
 798     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 799     if (menu->FocusedItem == NO_SELECTED_ITEM) return 0;
 800     else if (menu->FocusedItem == SYSMENU_SELECTED)
 801         return GetSystemMenu( menu->hWnd, FALSE );
 802
 803     item = ((MENUITEM *)USER_HEAP_ADDR( menu->hItems )) + menu->FocusedItem;
 804     if (!(item->item_flags & MF_POPUP) || !(item->item_flags & MF_MOUSESELECT))
 805         return 0;
 806     return item->item_id;
 807 }
 808
 809
 810 /***********************************************************************
 811  *           MENU_HideSubPopups
 812  *
 813  * Hide the sub-popup menus of this menu.
 814  */
 815 static void MENU_HideSubPopups( HMENU hmenu )
 816 {
 817     MENUITEM *item;
 818     POPUPMENU *menu, *submenu;
 819     HMENU hsubmenu;
 820
 821     if (!(menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu ))) return;
 822     if (menu->FocusedItem == NO_SELECTED_ITEM) return;
 823     if (menu->FocusedItem == SYSMENU_SELECTED)
 824     {
 825         hsubmenu = GetSystemMenu( menu->hWnd, FALSE );
 826     }
 827     else
 828     {
 829         item = ((MENUITEM *)USER_HEAP_ADDR(menu->hItems)) + menu->FocusedItem;
 830         if (!(item->item_flags & MF_POPUP) ||
 831             !(item->item_flags & MF_MOUSESELECT)) return;
 832         item->item_flags &= ~MF_MOUSESELECT;
 833         hsubmenu = item->item_id;
 834     }
 835     submenu = (POPUPMENU *) USER_HEAP_ADDR( hsubmenu );
 836     MENU_HideSubPopups( hsubmenu );
 837     if (submenu->hWnd) ShowWindow( submenu->hWnd, SW_HIDE );
 838     MENU_SelectItem( hsubmenu, NO_SELECTED_ITEM );
 839 }
 840
 841
 842 /***********************************************************************
 843  *           MENU_ShowSubPopup
 844  *
 845  * Display the sub-menu of the selected item of this menu.
 846  * Return the handle of the submenu, or hmenu if no submenu to display.
 847  */
 848 static HMENU MENU_ShowSubPopup( HWND hwndOwner, HMENU hmenu, BOOL selectFirst )
 849 {
 850     POPUPMENU *menu;
 851     MENUITEM *item;
 852     WND *wndPtr;
 853
 854     if (!(menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu ))) return hmenu;
 855     if (!(wndPtr = WIN_FindWndPtr( menu->hWnd ))) return hmenu;
 856     if (menu->FocusedItem == NO_SELECTED_ITEM) return hmenu;
 857     if (menu->FocusedItem == SYSMENU_SELECTED)
 858     {
 859         MENU_ShowPopup(hwndOwner, wndPtr->hSysMenu, 0, wndPtr->rectClient.left,
 860                 wndPtr->rectClient.top - menu->Height - 2*SYSMETRICS_CYBORDER);
 861         if (selectFirst) MENU_SelectNextItem( wndPtr->hSysMenu );
 862         return wndPtr->hSysMenu;
 863     }
 864     item = ((MENUITEM *)USER_HEAP_ADDR( menu->hItems )) + menu->FocusedItem;
 865     if (!(item->item_flags & MF_POPUP) ||
 866         (item->item_flags & (MF_GRAYED | MF_DISABLED))) return hmenu;
 867     item->item_flags |= MF_MOUSESELECT;
 868     if (menu->wFlags & MF_POPUP)
 869     {
 870         MENU_ShowPopup( hwndOwner, (HMENU)item->item_id, menu->FocusedItem,
 871                  wndPtr->rectWindow.left + item->rect.right-arrow_bitmap_width,
 872                  wndPtr->rectWindow.top + item->rect.top );
 873     }
 874     else
 875     {
 876         MENU_ShowPopup( hwndOwner, (HMENU)item->item_id, menu->FocusedItem,
 877                         wndPtr->rectWindow.left + item->rect.left,
 878                         wndPtr->rectWindow.top + item->rect.bottom );
 879     }
 880     if (selectFirst) MENU_SelectNextItem( (HMENU)item->item_id );
 881     return (HMENU)item->item_id;
 882 }
 883
 884
 885 /***********************************************************************
 886  *           MENU_FindMenuByCoords
 887  *
 888  * Find the menu containing a given point (in screen coords).
 889  */
 890 static HMENU MENU_FindMenuByCoords( HMENU hmenu, POINT pt )
 891 {
 892     POPUPMENU *menu;
 893     HWND hwnd;
 894
 895     if (!(hwnd = WindowFromPoint( pt ))) return 0;
 896     while (hmenu)
 897     {
 898         menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 899         if (menu->hWnd == hwnd)
 900         {
 901             if (!(menu->wFlags & MF_POPUP))
 902             {
 903                   /* Make sure it's in the menu bar (or in system menu) */
 904                 WND *wndPtr = WIN_FindWndPtr( menu->hWnd );
 905                 if ((pt.x < wndPtr->rectClient.left) ||
 906                     (pt.x >= wndPtr->rectClient.right) ||
 907                     (pt.y >= wndPtr->rectClient.top)) return 0;
 908                 if (pt.y < wndPtr->rectClient.top - menu->Height)
 909                 {
 910                     if (!MENU_IsInSysMenu( menu, pt )) return 0;
 911                 }
 912                 /* else it's in the menu bar */
 913             }
 914             return hmenu;
 915         }
 916         hmenu = MENU_GetSubPopup( hmenu );
 917     }
 918     return 0;
 919 }
 920
 921
 922 /***********************************************************************
 923  *           MENU_ExecFocusedItem
 924  *
 925  * Execute a menu item (for instance when user pressed Enter).
 926  * Return TRUE if we can go on with menu tracking.
 927  */
 928 static BOOL MENU_ExecFocusedItem( HWND hwndOwner, HMENU hmenu,
 929                                   HMENU *hmenuCurrent )
 930 {
 931     MENUITEM *item;
 932     POPUPMENU *menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 933     if (!menu || !menu->nItems || (menu->FocusedItem == NO_SELECTED_ITEM) ||
 934         (menu->FocusedItem == SYSMENU_SELECTED)) return TRUE;
 935     item = ((MENUITEM *)USER_HEAP_ADDR( menu->hItems )) + menu->FocusedItem;
 936     if (!(item->item_flags & MF_POPUP))
 937     {
 938         if (!(item->item_flags & (MF_GRAYED | MF_DISABLED)))
 939         {
 940             PostMessage( hwndOwner, (menu->wFlags & MF_SYSMENU) ?
 941                         WM_SYSCOMMAND : WM_COMMAND, item->item_id, 0 );
 942             return FALSE;
 943         }
 944         else return TRUE;
 945     }
 946     else
 947     {
 948         *hmenuCurrent = MENU_ShowSubPopup( hwndOwner, hmenu, TRUE );
 949         return TRUE;
 950     }
 951 }
 952
 953
 954 /***********************************************************************
 955  *           MENU_ButtonDown
 956  *
 957  * Handle a button-down event in a menu. Point is in screen coords.
 958  * hmenuCurrent is the top-most visible popup.
 959  * Return TRUE if we can go on with menu tracking.
 960  */
 961 static BOOL MENU_ButtonDown( HWND hwndOwner, HMENU hmenu, HMENU *hmenuCurrent,
 962                              POINT pt )
 963 {
 964     POPUPMENU *menu;
 965     MENUITEM *item;
 966     WORD id;
 967
 968     if (!hmenu) return FALSE;  /* Outside all menus */
 969     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
 970     item = MENU_FindItemByCoords( menu, pt.x, pt.y, &id );
 971     if (!item)  /* Maybe in system menu */
 972     {
 973         if (!MENU_IsInSysMenu( menu, pt )) return FALSE;
 974         id = SYSMENU_SELECTED;
 975     }
 976
 977     if (menu->FocusedItem == id)
 978     {
 979         if (id == SYSMENU_SELECTED) return FALSE;
 980         if (item->item_flags & MF_POPUP)
 981         {
 982             if (item->item_flags & MF_MOUSESELECT)
 983             {
 984                 if (menu->wFlags & MF_POPUP)
 985                 {
 986                     MENU_HideSubPopups( hmenu );
 987                     *hmenuCurrent = hmenu;
 988                 }
 989                 else return FALSE;
 990             }
 991             else *hmenuCurrent = MENU_ShowSubPopup( hwndOwner, hmenu, FALSE );
 992         }
 993     }
 994     else
 995     {
 996         MENU_HideSubPopups( hmenu );
 997         MENU_SelectItem( hmenu, id );
 998         *hmenuCurrent = MENU_ShowSubPopup( hwndOwner, hmenu, FALSE );
 999     }
1000     return TRUE;
1001 }
1002
1003
1004 /***********************************************************************
1005  *           MENU_ButtonUp
1006  *
1007  * Handle a button-up event in a menu. Point is in screen coords.
1008  * hmenuCurrent is the top-most visible popup.
1009  * Return TRUE if we can go on with menu tracking.
1010  */
1011 static BOOL MENU_ButtonUp( HWND hwndOwner, HMENU hmenu, HMENU *hmenuCurrent,
1012                            POINT pt )
1013 {
1014     POPUPMENU *menu;
1015     MENUITEM *item;
1016     HMENU hsubmenu = 0;
1017     WORD id;
1018
1019     if (!hmenu) return FALSE;  /* Outside all menus */
1020     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
1021     item = MENU_FindItemByCoords( menu, pt.x, pt.y, &id );
1022     if (!item)  /* Maybe in system menu */
1023     {
1024         if (!MENU_IsInSysMenu( menu, pt )) return FALSE;
1025         id = SYSMENU_SELECTED;
1026         hsubmenu = GetSystemMenu( menu->hWnd, FALSE );
1027     }
1028
1029     if (menu->FocusedItem != id) return FALSE;
1030
1031     if (id != SYSMENU_SELECTED)
1032     {
1033         if (!(item->item_flags & MF_POPUP))
1034         {
1035             return MENU_ExecFocusedItem( hwndOwner, hmenu, hmenuCurrent );
1036         }
1037         hsubmenu = item->item_id;
1038     }
1039       /* Select first item of sub-popup */
1040     MENU_SelectItem( hsubmenu, NO_SELECTED_ITEM );
1041     MENU_SelectNextItem( hsubmenu );
1042     return TRUE;
1043 }
1044
1045
1046 /***********************************************************************
1047  *           MENU_MouseMove
1048  *
1049  * Handle a motion event in a menu. Point is in screen coords.
1050  * hmenuCurrent is the top-most visible popup.
1051  * Return TRUE if we can go on with menu tracking.
1052  */
1053 static BOOL MENU_MouseMove( HWND hwndOwner, HMENU hmenu, HMENU *hmenuCurrent,
1054                             POINT pt )
1055 {
1056     MENUITEM *item;
1057     POPUPMENU *menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
1058     WORD id = NO_SELECTED_ITEM;
1059
1060     if (hmenu)
1061     {
1062         item = MENU_FindItemByCoords( menu, pt.x, pt.y, &id );
1063         if (!item)  /* Maybe in system menu */
1064         {
1065             if (!MENU_IsInSysMenu( menu, pt ))
1066                 id = NO_SELECTED_ITEM;  /* Outside all items */
1067             else id = SYSMENU_SELECTED;
1068         }
1069     }
1070     if (id == NO_SELECTED_ITEM)
1071     {
1072         MENU_SelectItem( *hmenuCurrent, NO_SELECTED_ITEM );
1073     }
1074     else if (menu->FocusedItem != id)
1075     {
1076         MENU_HideSubPopups( hmenu );
1077         MENU_SelectItem( hmenu, id );
1078         *hmenuCurrent = MENU_ShowSubPopup( hwndOwner, hmenu, FALSE );
1079     }
1080     return TRUE;
1081 }
1082
1083
1084 /***********************************************************************
1085  *           MENU_KeyLeft
1086  *
1087  * Handle a VK_LEFT key event in a menu.
1088  * hmenuCurrent is the top-most visible popup.
1089  */
1090 static void MENU_KeyLeft( HWND hwndOwner, HMENU hmenu, HMENU *hmenuCurrent )
1091 {
1092     POPUPMENU *menu;
1093     HMENU hmenutmp, hmenuprev;
1094
1095     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
1096     hmenuprev = hmenutmp = hmenu;
1097     while (hmenutmp != *hmenuCurrent)
1098     {
1099         hmenutmp = MENU_GetSubPopup( hmenuprev );
1100         if (hmenutmp != *hmenuCurrent) hmenuprev = hmenutmp;
1101     }
1102     MENU_HideSubPopups( hmenuprev );
1103
1104     if ((hmenuprev == hmenu) && !(menu->wFlags & MF_POPUP))
1105     {
1106           /* Select previous item on the menu bar */
1107         MENU_SelectPrevItem( hmenu );
1108         if (*hmenuCurrent != hmenu)
1109         {
1110               /* A popup menu was displayed -> display the next one */
1111             *hmenuCurrent = MENU_ShowSubPopup( hwndOwner, hmenu, TRUE );
1112         }
1113     }
1114     else *hmenuCurrent = hmenuprev;
1115 }
1116
1117
1118 /***********************************************************************
1119  *           MENU_KeyRight
1120  *
1121  * Handle a VK_RIGHT key event in a menu.
1122  * hmenuCurrent is the top-most visible popup.
1123  */
1124 static void MENU_KeyRight( HWND hwndOwner, HMENU hmenu, HMENU *hmenuCurrent )
1125 {
1126     POPUPMENU *menu;
1127     HMENU hmenutmp;
1128
1129     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
1130
1131     if ((menu->wFlags & MF_POPUP) || (*hmenuCurrent != hmenu))
1132     {
1133           /* If already displaying a popup, try to display sub-popup */
1134         hmenutmp = MENU_ShowSubPopup( hwndOwner, *hmenuCurrent, TRUE );
1135         if (hmenutmp != *hmenuCurrent)  /* Sub-popup displayed */
1136         {
1137             *hmenuCurrent = hmenutmp;
1138             return;
1139         }
1140     }
1141
1142       /* If on menu-bar, go to next item */
1143     if (!(menu->wFlags & MF_POPUP))
1144     {
1145         MENU_HideSubPopups( hmenu );
1146         MENU_SelectNextItem( hmenu );
1147         if (*hmenuCurrent != hmenu)
1148         {
1149               /* A popup menu was displayed -> display the next one */
1150             *hmenuCurrent = MENU_ShowSubPopup( hwndOwner, hmenu, TRUE );
1151         }
1152     }
1153     else if (*hmenuCurrent != hmenu)  /* Hide last level popup */
1154     {
1155         HMENU hmenuprev;
1156         hmenuprev = hmenutmp = hmenu;
1157         while (hmenutmp != *hmenuCurrent)
1158         {
1159             hmenutmp = MENU_GetSubPopup( hmenuprev );
1160             if (hmenutmp != *hmenuCurrent) hmenuprev = hmenutmp;
1161         }
1162         MENU_HideSubPopups( hmenuprev );
1163         *hmenuCurrent = hmenuprev;
1164     }
1165 }
1166
1167
1168 /***********************************************************************
1169  *           MENU_TrackMenu
1170  *
1171  * Menu tracking code.
1172  * If 'x' and 'y' are not 0, we simulate a button-down event at (x,y)
1173  * before beginning tracking. This is to help menu-bar tracking.
1174  */
1175 static BOOL MENU_TrackMenu( HMENU hmenu, WORD wFlags, int x, int y,
1176                             HWND hwnd, LPRECT lprect )
1177 {
1178     MSG msg;
1179     POPUPMENU *menu;
1180     HMENU hmenuCurrent = hmenu;
1181     BOOL fClosed = FALSE;
1182     WORD pos;
1183
1184     fEndMenuCalled = FALSE;
1185     if (!(menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu ))) return FALSE;
1186     if (x && y)
1187     {
1188         POINT pt = { x, y };
1189         MENU_ButtonDown( hwnd, hmenu, &hmenuCurrent, pt );
1190     }
1191     SetCapture( hwnd );
1192
1193     while (!fClosed)
1194     {
1195         if (!MSG_InternalGetMessage( &msg, 0, hwnd, MSGF_MENU, 0, TRUE ))
1196             break;
1197
1198         if ((msg.message >= WM_MOUSEFIRST) && (msg.message <= WM_MOUSELAST))
1199         {
1200               /* Find the sub-popup for this mouse event (if any) */
1201             HMENU hsubmenu = MENU_FindMenuByCoords( hmenu, msg.pt );
1202
1203             switch(msg.message)
1204             {
1205             case WM_RBUTTONDOWN:
1206             case WM_NCRBUTTONDOWN:
1207                 if (!(wFlags & TPM_RIGHTBUTTON)) break;
1208                 /* fall through */
1209             case WM_LBUTTONDOWN:
1210             case WM_NCLBUTTONDOWN:
1211                 fClosed = !MENU_ButtonDown( hwnd, hsubmenu,
1212                                             &hmenuCurrent, msg.pt );
1213                 break;
1214
1215             case WM_RBUTTONUP:
1216             case WM_NCRBUTTONUP:
1217                 if (!(wFlags & TPM_RIGHTBUTTON)) break;
1218                 /* fall through */
1219             case WM_LBUTTONUP:
1220             case WM_NCLBUTTONUP:
1221                   /* If outside all menus but inside lprect, ignore it */
1222                 if (!hsubmenu && lprect && PtInRect( lprect, msg.pt )) break;
1223                 fClosed = !MENU_ButtonUp( hwnd, hsubmenu,
1224                                           &hmenuCurrent, msg.pt );
1225                 break;
1226
1227             case WM_MOUSEMOVE:
1228             case WM_NCMOUSEMOVE:
1229                 if ((msg.wParam & MK_LBUTTON) ||
1230                     ((wFlags & TPM_RIGHTBUTTON) && (msg.wParam & MK_RBUTTON)))
1231                 {
1232                     fClosed = !MENU_MouseMove( hwnd, hsubmenu,
1233                                                &hmenuCurrent, msg.pt );
1234                 }
1235                 break;
1236             }
1237         }
1238         else if ((msg.message >= WM_KEYFIRST) && (msg.message <= WM_KEYLAST))
1239         {
1240             switch(msg.message)
1241             {
1242             case WM_KEYDOWN:
1243                 switch(msg.wParam)
1244                 {
1245                 case VK_HOME:
1246                     MENU_SelectItem( hmenuCurrent, NO_SELECTED_ITEM );
1247                     MENU_SelectNextItem( hmenuCurrent );
1248                     break;
1249
1250                 case VK_END:
1251                     MENU_SelectItem( hmenuCurrent, NO_SELECTED_ITEM );
1252                     MENU_SelectPrevItem( hmenuCurrent );
1253                     break;
1254
1255                 case VK_UP:
1256                     MENU_SelectPrevItem( hmenuCurrent );
1257                     break;
1258
1259                 case VK_DOWN:
1260                       /* If on menu bar, pull-down the menu */
1261                     if (!(menu->wFlags & MF_POPUP) && (hmenuCurrent == hmenu))
1262                         hmenuCurrent = MENU_ShowSubPopup( hwnd, hmenu, TRUE );
1263                     else
1264                         MENU_SelectNextItem( hmenuCurrent );
1265                     break;
1266
1267                 case VK_LEFT:
1268                     MENU_KeyLeft( hwnd, hmenu, &hmenuCurrent );
1269                     break;
1270
1271                 case VK_RIGHT:
1272                     MENU_KeyRight( hwnd, hmenu, &hmenuCurrent );
1273                     break;
1274
1275                 case VK_SPACE:
1276                 case VK_RETURN:
1277                     fClosed = !MENU_ExecFocusedItem( hwnd, hmenuCurrent,
1278                                                      &hmenuCurrent );
1279                     break;
1280
1281                 case VK_ESCAPE:
1282                     fClosed = TRUE;
1283                     break;
1284
1285                 default:
1286                     break;
1287                 }
1288                 break;  /* WM_KEYDOWN */
1289
1290             case WM_SYSKEYDOWN:
1291                 switch(msg.wParam)
1292                 {
1293                 case VK_MENU:
1294                     fClosed = TRUE;
1295                     break;
1296
1297                 }
1298                 break;  /* WM_SYSKEYDOWN */
1299
1300             case WM_CHAR:
1301                 {
1302                       /* Hack to avoid control chars. */
1303                       /* We will find a better way real soon... */
1304                     if ((msg.wParam <= 32) || (msg.wParam >= 127)) break;
1305                     pos = MENU_FindItemByKey( hwnd, hmenuCurrent, msg.wParam );
1306                     if (pos == (WORD)-2) fClosed = TRUE;
1307                     else if (pos == (WORD)-1) MessageBeep(0);
1308                     else
1309                     {
1310                         MENU_SelectItem( hmenuCurrent, pos );
1311                         fClosed = !MENU_ExecFocusedItem( hwnd, hmenuCurrent,
1312                                                          &hmenuCurrent );
1313
1314                     }
1315                 }
1316                 break;  /* WM_CHAR */
1317             }  /* switch(msg.message) */
1318         }
1319         else
1320         {
1321             DispatchMessage( &msg );
1322         }
1323         if (fEndMenuCalled) fClosed = TRUE;
1324
1325         if (!fClosed)  /* Remove the message from the queue */
1326             PeekMessage( &msg, 0, 0, 0, PM_REMOVE );
1327     }
1328     ReleaseCapture();
1329     MENU_HideSubPopups( hmenu );
1330     if (menu->wFlags & MF_POPUP) ShowWindow( menu->hWnd, SW_HIDE );
1331     MENU_SelectItem( hmenu, NO_SELECTED_ITEM );
1332     fEndMenuCalled = FALSE;
1333     return TRUE;
1334 }
1335
1336
1337 /***********************************************************************
1338  *           MENU_TrackMouseMenuBar
1339  *
1340  * Menu-bar tracking upon a mouse event. Called from NC_HandleSysCommand().
1341  */
1342 void MENU_TrackMouseMenuBar( HWND hwnd, POINT pt )
1343 {
1344     WND *wndPtr = WIN_FindWndPtr( hwnd );
1345     SendMessage( hwnd, WM_ENTERMENULOOP, 0, 0 );
1346     MENU_TrackMenu( (HMENU)wndPtr->wIDmenu, TPM_LEFTALIGN | TPM_LEFTBUTTON,
1347                     pt.x, pt.y, hwnd, NULL );
1348     SendMessage( hwnd, WM_EXITMENULOOP, 0, 0 );
1349 }
1350
1351
1352 /***********************************************************************
1353  *           MENU_TrackKbdMenuBar
1354  *
1355  * Menu-bar tracking upon a keyboard event. Called from NC_HandleSysCommand().
1356  */
1357 void MENU_TrackKbdMenuBar( HWND hwnd, WORD wParam )
1358 {
1359     WND *wndPtr = WIN_FindWndPtr( hwnd );
1360     SendMessage( hwnd, WM_ENTERMENULOOP, 0, 0 );
1361       /* Select first selectable item */
1362     MENU_SelectItem( wndPtr->wIDmenu, NO_SELECTED_ITEM );
1363     MENU_SelectNextItem( (HMENU)wndPtr->wIDmenu );
1364     MENU_TrackMenu( (HMENU)wndPtr->wIDmenu, TPM_LEFTALIGN | TPM_LEFTBUTTON,
1365                     0, 0, hwnd, NULL );
1366     SendMessage( hwnd, WM_EXITMENULOOP, 0, 0 );
1367 }
1368
1369
1370 /**********************************************************************
1371  *                      TrackPopupMenu          [USER.416]
1372  */
1373 BOOL TrackPopupMenu( HMENU hMenu, WORD wFlags, short x, short y,
1374                      short nReserved, HWND hWnd, LPRECT lpRect )
1375 {
1376     if (!MENU_ShowPopup( hWnd, hMenu, 0, x, y )) return FALSE;
1377     return MENU_TrackMenu( hMenu, wFlags, 0, 0, hWnd, lpRect );
1378 }
1379
1380
1381 /***********************************************************************
1382  *           PopupMenuWndProc
1383  */
1384 LONG PopupMenuWndProc( HWND hwnd, WORD message, WORD wParam, LONG lParam )
1385 {
1386     switch(message)
1387     {
1388     case WM_CREATE:
1389         {
1390             CREATESTRUCT *createStruct = (CREATESTRUCT *)lParam;
1391             HMENU hmenu = (HMENU) ((int)createStruct->lpCreateParams & 0xffff);
1392             SetWindowWord( hwnd, 0, hmenu );
1393             return 0;
1394         }
1395
1396     case WM_MOUSEACTIVATE:  /* We don't want to be activated */
1397         return MA_NOACTIVATE;
1398
1399     case WM_PAINT:
1400         {
1401             PAINTSTRUCT ps;
1402             BeginPaint( hwnd, &ps );
1403             MENU_DrawPopupMenu( hwnd, ps.hdc,
1404                                 (HMENU)GetWindowWord( hwnd, 0 ) );
1405             EndPaint( hwnd, &ps );
1406             return 0;
1407         }
1408
1409     default:
1410         return DefWindowProc(hwnd, message, wParam, lParam);
1411     }
1412     return 0;
1413 }
1414
1415
1416 /***********************************************************************
1417  *           MENU_GetMenuBarHeight
1418  *
1419  * Compute the size of the menu bar height. Used by NC_HandleNCCalcSize().
1420  */
1421 WORD MENU_GetMenuBarHeight( HWND hwnd, WORD menubarWidth, int orgX, int orgY )
1422 {
1423     HDC hdc;
1424     RECT rectBar;
1425     WND *wndPtr;
1426     LPPOPUPMENU lppop;
1427
1428     if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
1429     if (!(lppop = (LPPOPUPMENU)USER_HEAP_ADDR( wndPtr->wIDmenu ))) return 0;
1430     hdc = GetDC( hwnd );
1431     SetRect( &rectBar, orgX, orgY, orgX+menubarWidth, orgY+SYSMETRICS_CYMENU );
1432     MENU_MenuBarCalcSize( hdc, &rectBar, lppop, hwnd );
1433     ReleaseDC( hwnd, hdc );
1434     return lppop->Height;
1435 }
1436
1437
1438 /**********************************************************************
1439  *                      ChangeMenu              [USER.153]
1440  */
1441 BOOL ChangeMenu(HMENU hMenu, WORD nPos, LPSTR lpNewItem,
1442                         WORD wItemID, WORD wFlags)
1443 {
1444         if (wFlags & MF_APPEND)
1445                 return AppendMenu(hMenu, wFlags, wItemID, lpNewItem);
1446         if (wFlags & MF_DELETE)
1447                 return DeleteMenu(hMenu, wItemID, wFlags);
1448         if (wFlags & MF_INSERT)
1449                 return InsertMenu(hMenu, nPos, wFlags, wItemID, lpNewItem);
1450         if (wFlags & MF_CHANGE)
1451                 return ModifyMenu(hMenu, nPos, wFlags, wItemID, lpNewItem);
1452         if (wFlags & MF_REMOVE)
1453                 return RemoveMenu(hMenu, wItemID, wFlags);
1454         return FALSE;
1455 }
1456
1457
1458 /**********************************************************************
1459  *                      CheckMenuItem           [USER.154]
1460  */
1461 BOOL CheckMenuItem(HMENU hMenu, WORD wItemID, WORD wFlags)
1462 {
1463         LPMENUITEM      lpitem;
1464         dprintf_menu(stddeb,"CheckMenuItem (%04X, %04X, %04X) !\n",
1465                      hMenu, wItemID, wFlags);
1466         if (!(lpitem = MENU_FindItem(&hMenu, &wItemID, wFlags))) return FALSE;
1467         if (wFlags & MF_CHECKED) lpitem->item_flags |= MF_CHECKED;
1468         else lpitem->item_flags &= ~MF_CHECKED;
1469         return TRUE;
1470 }
1471
1472
1473 /**********************************************************************
1474  *                      EnableMenuItem          [USER.155]
1475  */
1476 BOOL EnableMenuItem(HMENU hMenu, WORD wItemID, WORD wFlags)
1477 {
1478     LPMENUITEM  lpitem;
1479     dprintf_menu(stddeb,"EnableMenuItem (%04X, %04X, %04X) !\n",
1480                  hMenu, wItemID, wFlags);
1481     if (!(lpitem = MENU_FindItem( &hMenu, &wItemID, wFlags ))) return FALSE;
1482
1483       /* We can't have MF_GRAYED and MF_DISABLED together */
1484     if (wFlags & MF_GRAYED)
1485     {
1486         lpitem->item_flags = (lpitem->item_flags & ~MF_DISABLED) | MF_GRAYED;
1487     }
1488     else if (wFlags & MF_DISABLED)
1489     {
1490         lpitem->item_flags = (lpitem->item_flags & ~MF_GRAYED) | MF_DISABLED;
1491     }
1492     else   /* MF_ENABLED */
1493     {
1494         lpitem->item_flags &= ~(MF_GRAYED | MF_DISABLED);
1495     }
1496     return TRUE;
1497 }
1498
1499
1500 /**********************************************************************
1501  *                      GetMenuString           [USER.161]
1502  */
1503 int GetMenuString(HMENU hMenu, WORD wItemID,
1504                   LPSTR str, short nMaxSiz, WORD wFlags)
1505 {
1506         LPMENUITEM      lpitem;
1507         int             maxsiz;
1508         dprintf_menu(stddeb,"GetMenuString(%04X, %04X, %p, %d, %04X);\n",
1509                                         hMenu, wItemID, str, nMaxSiz, wFlags);
1510         if (str == NULL) return FALSE;
1511         lpitem = MENU_FindItem( &hMenu, &wItemID, wFlags );
1512         if (lpitem != NULL) {
1513                 if (lpitem->item_text != NULL) {
1514                         maxsiz = min(nMaxSiz - 1, strlen(lpitem->item_text));
1515                         strncpy(str, lpitem->item_text, maxsiz + 1);
1516                         }
1517                 else
1518                         maxsiz = 0;
1519                 dprintf_menu(stddeb,"GetMenuString // Found !\n");
1520                 return maxsiz;
1521                 }
1522         return 0;
1523 }
1524
1525
1526 /**********************************************************************
1527  *                      HiliteMenuItem          [USER.162]
1528  */
1529 BOOL HiliteMenuItem(HWND hWnd, HMENU hMenu, WORD wItemID, WORD wHilite)
1530 {
1531     LPPOPUPMENU menu;
1532     LPMENUITEM  lpitem;
1533     dprintf_menu(stddeb,"HiliteMenuItem(%04X, %04X, %04X, %04X);\n",
1534                                                 hWnd, hMenu, wItemID, wHilite);
1535     if (!(lpitem = MENU_FindItem( &hMenu, &wItemID, wHilite ))) return FALSE;
1536     if (!(menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu))) return FALSE;
1537     if (menu->FocusedItem == wItemID) return TRUE;
1538     MENU_HideSubPopups( hMenu );
1539     MENU_SelectItem( hMenu, wItemID );
1540     return TRUE;
1541 }
1542
1543
1544 /**********************************************************************
1545  *                      GetMenuState            [USER.250]
1546  */
1547 WORD GetMenuState(HMENU hMenu, WORD wItemID, WORD wFlags)
1548 {
1549     LPMENUITEM lpitem;
1550     dprintf_menu(stddeb,"GetMenuState(%04X, %04X, %04X);\n",
1551                  hMenu, wItemID, wFlags);
1552     if (!(lpitem = MENU_FindItem( &hMenu, &wItemID, wFlags ))) return -1;
1553     if (lpitem->item_flags & MF_POPUP)
1554     {
1555         POPUPMENU *menu = (POPUPMENU *) USER_HEAP_ADDR( lpitem->item_id );
1556         if (!menu) return -1;
1557         else return (menu->nItems << 8) | (menu->wFlags & 0xff);
1558     }
1559     else return lpitem->item_flags;
1560 }
1561
1562
1563 /**********************************************************************
1564  *                      GetMenuItemCount                [USER.263]
1565  */
1566 WORD GetMenuItemCount(HMENU hMenu)
1567 {
1568         LPPOPUPMENU     menu;
1569         dprintf_menu(stddeb,"GetMenuItemCount(%04X);\n", hMenu);
1570         menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu);
1571         if (menu == NULL) return (WORD)-1;
1572         dprintf_menu(stddeb,"GetMenuItemCount(%04X) return %d \n",
1573                      hMenu, menu->nItems);
1574         return menu->nItems;
1575 }
1576
1577
1578 /**********************************************************************
1579  *                      GetMenuItemID                   [USER.264]
1580  */
1581 WORD GetMenuItemID(HMENU hMenu, int nPos)
1582 {
1583     LPPOPUPMENU menu;
1584     MENUITEM *item;
1585
1586     dprintf_menu(stddeb,"GetMenuItemID(%04X, %d);\n", hMenu, nPos);
1587     if (!(menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu))) return -1;
1588     if ((nPos < 0) || (nPos >= menu->nItems)) return -1;
1589     item = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
1590     if (item[nPos].item_flags & MF_POPUP) return -1;
1591     return item[nPos].item_id;
1592 }
1593
1594
1595 /**********************************************************************
1596  *                      InsertMenu              [USER.410]
1597  */
1598 BOOL InsertMenu(HMENU hMenu, WORD nPos, WORD wFlags, WORD wItemID, LPSTR lpNewItem)
1599 {
1600     HANDLE hNewItems;
1601     MENUITEM *lpitem, *newItems;
1602     LPPOPUPMENU menu;
1603
1604     if (IS_STRING_ITEM(wFlags))
1605         {
1606            dprintf_menu(stddeb,"InsertMenu (%04X, %04X, %04X, %04X, '%s') !\n",
1607                                  hMenu, nPos, wFlags, wItemID, lpNewItem);
1608         }
1609     else
1610            dprintf_menu(stddeb,"InsertMenu (%04X, %04X, %04X, %04X, %p) !\n",
1611                                   hMenu, nPos, wFlags, wItemID, lpNewItem);
1612
1613       /* Find where to insert new item */
1614
1615     if ((wFlags & MF_BYPOSITION) && (nPos == (WORD)-1))
1616     {
1617           /* Special case: append to menu */
1618         if (!(menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu))) return FALSE;
1619         nPos = menu->nItems;
1620     }
1621     else
1622     {
1623         if (!MENU_FindItem( &hMenu, &nPos, wFlags )) return FALSE;
1624         if (!(menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu))) return FALSE;
1625     }
1626
1627       /* Create new items array */
1628
1629     hNewItems = USER_HEAP_ALLOC( GMEM_MOVEABLE,
1630                                  sizeof(MENUITEM) * (menu->nItems+1) );
1631     if (!hNewItems) return FALSE;
1632     newItems = (MENUITEM *) USER_HEAP_ADDR( hNewItems );
1633     if (menu->nItems > 0)
1634     {
1635           /* Copy the old array into the new */
1636         MENUITEM *oldItems = (MENUITEM *) USER_HEAP_ADDR( menu->hItems );
1637         if (nPos > 0) memcpy( newItems, oldItems, nPos * sizeof(MENUITEM) );
1638         if (nPos < menu->nItems) memcpy( &newItems[nPos+1], &oldItems[nPos],
1639                                         (menu->nItems-nPos)*sizeof(MENUITEM) );
1640
1641         USER_HEAP_FREE( menu->hItems );
1642     }
1643     menu->hItems = hNewItems;
1644     menu->nItems++;
1645
1646       /* Store the new item data */
1647
1648     lpitem = &newItems[nPos];
1649     lpitem->item_flags = wFlags & ~(MF_HILITE | MF_MOUSESELECT);
1650     lpitem->item_id    = wItemID;
1651
1652     if (IS_STRING_ITEM(wFlags))
1653     {
1654           /* Item beginning with a backspace is a help item */
1655         if (lpNewItem[0] == '\b')
1656         {
1657             lpitem->item_flags |= MF_HELP;
1658             lpNewItem++;
1659         }
1660         lpitem->hText = USER_HEAP_ALLOC( GMEM_MOVEABLE, strlen(lpNewItem)+1 );
1661         lpitem->item_text = (char *)USER_HEAP_ADDR( lpitem->hText );
1662         strcpy( lpitem->item_text, lpNewItem );
1663     }
1664     else if (wFlags & MF_BITMAP) lpitem->hText = LOWORD((DWORD)lpNewItem);
1665     else lpitem->item_text = lpNewItem;
1666
1667     if (wFlags & MF_POPUP)  /* Set the MF_POPUP flag on the popup-menu */
1668         ((POPUPMENU *)USER_HEAP_ADDR(wItemID))->wFlags |= MF_POPUP;
1669
1670     SetRectEmpty( &lpitem->rect );
1671     lpitem->hCheckBit   = hStdCheck;
1672     lpitem->hUnCheckBit = 0;
1673     return TRUE;
1674 }
1675
1676
1677 /**********************************************************************
1678  *                      AppendMenu              [USER.411]
1679  */
1680 BOOL AppendMenu(HMENU hMenu, WORD wFlags, WORD wItemID, LPSTR lpNewItem)
1681 {
1682     return InsertMenu( hMenu, -1, wFlags | MF_BYPOSITION, wItemID, lpNewItem );
1683 }
1684
1685
1686 /**********************************************************************
1687  *                      RemoveMenu              [USER.412]
1688  */
1689 BOOL RemoveMenu(HMENU hMenu, WORD nPos, WORD wFlags)
1690 {
1691     LPPOPUPMENU menu;
1692     LPMENUITEM  lpitem;
1693         dprintf_menu(stddeb,"RemoveMenu (%04X, %04X, %04X) !\n",
1694                      hMenu, nPos, wFlags);
1695     if (!(lpitem = MENU_FindItem( &hMenu, &nPos, wFlags ))) return FALSE;
1696     if (!(menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu))) return FALSE;
1697
1698       /* Remove item */
1699
1700     if (IS_STRING_ITEM(lpitem->item_flags)) USER_HEAP_FREE( lpitem->hText );
1701     if (--menu->nItems == 0)
1702     {
1703         USER_HEAP_FREE( menu->hItems );
1704         menu->hItems = 0;
1705     }
1706     else
1707     {
1708         while(nPos < menu->nItems)
1709         {
1710             *lpitem = *(lpitem+1);
1711             lpitem++;
1712             nPos++;
1713         }
1714         menu->hItems = USER_HEAP_REALLOC( menu->hItems,
1715                                           menu->nItems * sizeof(MENUITEM),
1716                                           GMEM_MOVEABLE );
1717     }
1718     return TRUE;
1719 }
1720
1721
1722 /**********************************************************************
1723  *                      DeleteMenu              [USER.413]
1724  */
1725 BOOL DeleteMenu(HMENU hMenu, WORD nPos, WORD wFlags)
1726 {
1727     MENUITEM *item = MENU_FindItem( &hMenu, &nPos, wFlags );
1728     if (!item) return FALSE;
1729     if (item->item_flags & MF_POPUP) DestroyMenu( item->item_id );
1730       /* nPos is now the position of the item */
1731     RemoveMenu( hMenu, nPos, wFlags | MF_BYPOSITION );
1732     return TRUE;
1733 }
1734
1735
1736 /**********************************************************************
1737  *                      ModifyMenu              [USER.414]
1738  */
1739 BOOL ModifyMenu(HMENU hMenu, WORD nPos, WORD wFlags, WORD wItemID, LPSTR lpNewItem)
1740 {
1741     LPMENUITEM  lpitem;
1742     if (IS_STRING_ITEM(wFlags))
1743         dprintf_menu(stddeb,"ModifyMenu (%04X, %04X, %04X, %04X, '%s') !\n",
1744                hMenu, nPos, wFlags, wItemID, lpNewItem);
1745     else
1746         dprintf_menu(stddeb,"ModifyMenu (%04X, %04X, %04X, %04X, %p) !\n",
1747                hMenu, nPos, wFlags, wItemID, lpNewItem);
1748     if (!(lpitem = MENU_FindItem( &hMenu, &nPos, wFlags ))) return FALSE;
1749
1750     if (IS_STRING_ITEM(lpitem->item_flags)) USER_HEAP_FREE( lpitem->hText );
1751     lpitem->item_flags = wFlags & ~(MF_HILITE | MF_MOUSESELECT);
1752     lpitem->item_id    = wItemID;
1753
1754     if (IS_STRING_ITEM(wFlags))
1755     {
1756         lpitem->hText = USER_HEAP_ALLOC( GMEM_MOVEABLE, strlen(lpNewItem)+1 );
1757         lpitem->item_text = (char *)USER_HEAP_ADDR( lpitem->hText );
1758         strcpy( lpitem->item_text, lpNewItem );
1759     }
1760     else if (wFlags & MF_BITMAP) lpitem->hText = LOWORD((DWORD)lpNewItem);
1761     else lpitem->item_text = lpNewItem;
1762     SetRectEmpty( &lpitem->rect );
1763     return TRUE;
1764 }
1765
1766
1767 /**********************************************************************
1768  *                      CreatePopupMenu         [USER.415]
1769  */
1770 HMENU CreatePopupMenu()
1771 {
1772     HMENU hmenu;
1773     POPUPMENU *menu;
1774
1775     if (!(hmenu = CreateMenu())) return 0;
1776     menu = (POPUPMENU *) USER_HEAP_ADDR( hmenu );
1777     menu->wFlags |= MF_POPUP;
1778     return hmenu;
1779 }
1780
1781
1782 /**********************************************************************
1783  *                      GetMenuCheckMarkDimensions      [USER.417]
1784  */
1785 DWORD GetMenuCheckMarkDimensions()
1786 {
1787     return MAKELONG( check_bitmap_width, check_bitmap_height );
1788 }
1789
1790
1791 /**********************************************************************
1792  *                      SetMenuItemBitmaps      [USER.418]
1793  */
1794 BOOL SetMenuItemBitmaps(HMENU hMenu, WORD nPos, WORD wFlags,
1795                 HBITMAP hNewCheck, HBITMAP hNewUnCheck)
1796 {
1797     LPMENUITEM lpitem;
1798    dprintf_menu(stddeb,"SetMenuItemBitmaps (%04X, %04X, %04X, %04X, %08X) !\n",
1799             hMenu, nPos, wFlags, hNewCheck, hNewUnCheck);
1800     if (!(lpitem = MENU_FindItem( &hMenu, &nPos, wFlags ))) return FALSE;
1801
1802     if (!hNewCheck && !hNewUnCheck)
1803     {
1804           /* If both are NULL, restore default bitmaps */
1805         lpitem->hCheckBit   = hStdCheck;
1806         lpitem->hUnCheckBit = 0;
1807         lpitem->item_flags &= ~MF_USECHECKBITMAPS;
1808     }
1809     else  /* Install new bitmaps */
1810     {
1811         lpitem->hCheckBit   = hNewCheck;
1812         lpitem->hUnCheckBit = hNewUnCheck;
1813         lpitem->item_flags |= MF_USECHECKBITMAPS;
1814     }
1815     return TRUE;
1816 }
1817
1818
1819 /**********************************************************************
1820  *                      CreateMenu              [USER.151]
1821  */
1822 HMENU CreateMenu()
1823 {
1824     HMENU hMenu;
1825     LPPOPUPMENU menu;
1826     dprintf_menu(stddeb,"CreateMenu !\n");
1827     if (!(hMenu = USER_HEAP_ALLOC( GMEM_MOVEABLE, sizeof(POPUPMENU) )))
1828         return 0;
1829     menu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu);
1830     menu->hNext  = 0;
1831     menu->wFlags = 0;
1832     menu->wMagic = MENU_MAGIC;
1833     menu->hTaskQ = 0;
1834     menu->Width  = 0;
1835     menu->Height = 0;
1836     menu->nItems = 0;
1837     menu->hWnd   = 0;
1838     menu->hItems = 0;
1839     menu->FocusedItem = NO_SELECTED_ITEM;
1840     dprintf_menu(stddeb,"CreateMenu // return %04X\n", hMenu);
1841     return hMenu;
1842 }
1843
1844
1845 /**********************************************************************
1846  *                      DestroyMenu             [USER.152]
1847  */
1848 BOOL DestroyMenu(HMENU hMenu)
1849 {
1850         LPPOPUPMENU lppop;
1851         dprintf_menu(stddeb,"DestroyMenu (%04X) !\n", hMenu);
1852         if (hMenu == 0) return FALSE;
1853         lppop = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu);
1854         if (lppop == NULL) return FALSE;
1855         if ((lppop->wFlags & MF_POPUP) && lppop->hWnd)
1856             DestroyWindow( lppop->hWnd );
1857
1858         if (lppop->hItems)
1859         {
1860             int i;
1861             MENUITEM *item = (MENUITEM *) USER_HEAP_ADDR( lppop->hItems );
1862             for (i = lppop->nItems; i > 0; i--, item++)
1863             {
1864                 if (item->item_flags & MF_POPUP)
1865                     DestroyMenu( item->item_id );
1866             }
1867             USER_HEAP_FREE( lppop->hItems );
1868         }
1869         USER_HEAP_FREE( hMenu );
1870         dprintf_menu(stddeb,"DestroyMenu (%04X) // End !\n", hMenu);
1871         return TRUE;
1872 }
1873
1874 /**********************************************************************
1875  *                      GetSystemMenu           [USER.156]
1876  */
1877 HMENU GetSystemMenu(HWND hWnd, BOOL bRevert)
1878 {
1879         WND             *wndPtr;
1880         wndPtr = WIN_FindWndPtr(hWnd);
1881         if (!bRevert) {
1882                 return wndPtr->hSysMenu;
1883                 }
1884         else {
1885                 DestroyMenu(wndPtr->hSysMenu);
1886                 wndPtr->hSysMenu = CopySysMenu();
1887                 }
1888         return wndPtr->hSysMenu;
1889 }
1890
1891 /**********************************************************************
1892  *                      SetSystemMenu           [USER.280]
1893  */
1894 BOOL SetSystemMenu(HWND hWnd, HMENU newHmenu)
1895 {
1896     WND *wndPtr;
1897
1898     if ((wndPtr = WIN_FindWndPtr(hWnd)) != NULL) wndPtr->hSysMenu = newHmenu;
1899     return TRUE;
1900 }
1901
1902
1903 /**********************************************************************
1904  *                      GetMenu         [USER.157]
1905  */
1906 HMENU GetMenu(HWND hWnd)
1907 {
1908         WND * wndPtr = WIN_FindWndPtr(hWnd);
1909         if (wndPtr == NULL) return 0;
1910         return wndPtr->wIDmenu;
1911 }
1912
1913
1914 /**********************************************************************
1915  *                      SetMenu         [USER.158]
1916  */
1917 BOOL SetMenu(HWND hWnd, HMENU hMenu)
1918 {
1919         LPPOPUPMENU lpmenu;
1920         WND * wndPtr = WIN_FindWndPtr(hWnd);
1921         if (wndPtr == NULL) {
1922                 fprintf(stderr,"SetMenu(%04X, %04X) // Bad window handle !\n",
1923                         hWnd, hMenu);
1924                 return FALSE;
1925                 }
1926         dprintf_menu(stddeb,"SetMenu(%04X, %04X);\n", hWnd, hMenu);
1927         if (GetCapture() == hWnd) ReleaseCapture();
1928         wndPtr->wIDmenu = hMenu;
1929         if (hMenu != 0)
1930         {
1931             lpmenu = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu);
1932             if (lpmenu == NULL) {
1933                 fprintf(stderr,"SetMenu(%04X, %04X) // Bad menu handle !\n",
1934                         hWnd, hMenu);
1935                 return FALSE;
1936                 }
1937             lpmenu->hWnd = hWnd;
1938             lpmenu->wFlags &= ~MF_POPUP;  /* Can't be a popup */
1939             lpmenu->Height = 0;  /* Make sure we recalculate the size */
1940         }
1941         SetWindowPos( hWnd, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
1942                       SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED );
1943         return TRUE;
1944 }
1945
1946
1947
1948 /**********************************************************************
1949  *                      GetSubMenu              [USER.159]
1950  */
1951 HMENU GetSubMenu(HMENU hMenu, short nPos)
1952 {
1953     LPPOPUPMENU lppop;
1954     LPMENUITEM  lpitem;
1955     dprintf_menu(stddeb,"GetSubMenu (%04X, %04X) !\n", hMenu, nPos);
1956     if (!(lppop = (LPPOPUPMENU) USER_HEAP_ADDR(hMenu))) return 0;
1957     if ((WORD)nPos >= lppop->nItems) return 0;
1958     lpitem = (MENUITEM *) USER_HEAP_ADDR( lppop->hItems );
1959     if (!(lpitem[nPos].item_flags & MF_POPUP)) return 0;
1960     return lpitem[nPos].item_id;
1961 }
1962
1963
1964 /**********************************************************************
1965  *                      DrawMenuBar             [USER.160]
1966  */
1967 void DrawMenuBar(HWND hWnd)
1968 {
1969         WND             *wndPtr;
1970         LPPOPUPMENU lppop;
1971         dprintf_menu(stddeb,"DrawMenuBar (%04X)\n", hWnd);
1972         wndPtr = WIN_FindWndPtr(hWnd);
1973         if (wndPtr != NULL && (wndPtr->dwStyle & WS_CHILD) == 0 &&
1974                 wndPtr->wIDmenu != 0) {
1975                 dprintf_menu(stddeb,"DrawMenuBar wIDmenu=%04X \n",
1976                              wndPtr->wIDmenu);
1977                 lppop = (LPPOPUPMENU) USER_HEAP_ADDR(wndPtr->wIDmenu);
1978                 if (lppop == NULL) return;
1979
1980                 lppop->Height = 0; /* Make sure we call MENU_MenuBarCalcSize */
1981                 SetWindowPos( hWnd, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
1982                             SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED );
1983             }
1984 }
1985
1986
1987 /***********************************************************************
1988  *           EndMenu   (USER.187)
1989  */
1990 void EndMenu(void)
1991 {
1992       /* Note: this won't work when we have multiple tasks... */
1993     fEndMenuCalled = TRUE;
1994 }
1995
1996
1997 /***********************************************************************
1998  *           LookupMenuHandle   (USER.217)
1999  */
2000 HMENU LookupMenuHandle( HMENU hmenu, INT id )
2001 {
2002     if (!MENU_FindItem( &hmenu, &id, MF_BYCOMMAND )) return 0;
2003     else return hmenu;
2004 }
2005
2006
2007 /**********************************************************************
2008  *                      LoadMenuIndirect        [USER.220]
2009  */
2010 HMENU LoadMenuIndirect(LPSTR menu_template)
2011 {
2012         HMENU                   hMenu;
2013         MENU_HEADER     *menu_desc;
2014         dprintf_menu(stddeb,"LoadMenuIndirect: menu_template '%p'\n",
2015                      menu_template);
2016         hMenu = CreateMenu();
2017         menu_desc = (MENU_HEADER *)menu_template;
2018         ParseMenuResource((WORD *)(menu_desc + 1), 0, hMenu);
2019         return hMenu;
2020 }
2021
2022
2023 /**********************************************************************
2024  *                      CopySysMenu (Internal)
2025  */
2026 HMENU CopySysMenu()
2027 {
2028     HMENU hMenu;
2029     LPPOPUPMENU menu;
2030     extern unsigned char sysres_MENU_SYSMENU[];
2031
2032     hMenu=LoadMenuIndirect(sysres_MENU_SYSMENU);
2033     if(!hMenu){
2034         dprintf_menu(stddeb,"No SYSMENU\n");
2035         return 0;
2036     }
2037     menu = (POPUPMENU*) USER_HEAP_ADDR(hMenu);
2038     menu->wFlags |= MF_SYSMENU|MF_POPUP;
2039     dprintf_menu(stddeb,"CopySysMenu hMenu=%04X !\n", hMenu);
2040     return hMenu;
2041 }
2042
2043
2044 /**********************************************************************
2045  *                      ParseMenuResource (from Resource or Template)
2046  */
2047 WORD * ParseMenuResource(WORD *first_item, int level, HMENU hMenu)
2048 {
2049     WORD        *item;
2050     WORD        *next_item;
2051     HMENU       hSubMenu;
2052     int         i;
2053
2054     level++;
2055     next_item = first_item;
2056     i = 0;
2057     do {
2058         i++;
2059         item = next_item;
2060         if (*item & MF_POPUP) {
2061             MENU_POPUPITEM *popup_item = (MENU_POPUPITEM *) item;
2062             next_item = (WORD *) (popup_item->item_text +
2063                                   strlen(popup_item->item_text) + 1);
2064             hSubMenu = CreatePopupMenu();
2065             next_item = ParseMenuResource(next_item, level, hSubMenu);
2066             AppendMenu(hMenu, popup_item->item_flags,
2067                 hSubMenu, popup_item->item_text);
2068             }
2069         else {
2070                 MENUITEMTEMPLATE *normal_item = (MENUITEMTEMPLATE *) item;
2071                 next_item = (WORD *) (normal_item->item_text +
2072                 strlen(normal_item->item_text) + 1);
2073                 if (strlen(normal_item->item_text) == 0 && normal_item->item_id == 0)
2074                         normal_item->item_flags |= MF_SEPARATOR;
2075                 AppendMenu(hMenu, normal_item->item_flags,
2076                         normal_item->item_id, normal_item->item_text);
2077             }
2078         }
2079     while (!(*item & MF_END));
2080     return next_item;
2081 }
2082
2083
2084 /**********************************************************************
2085  *              IsMenu    (USER.358)
2086  */
2087 BOOL IsMenu( HMENU hmenu )
2088 {
2089     LPPOPUPMENU menu;
2090     if (!(menu = (LPPOPUPMENU) USER_HEAP_ADDR( hmenu ))) return FALSE;
2091     return (menu->wMagic == MENU_MAGIC);
2092 }