apps/tests/combo/combotst.c

   1 /* ComboBox Control Test for ReactOS.
   2
   3 * This is a test program. Not made to be fast, small
   4 * easy to mantain, or portable.
   5
   6 * I'm not erasing text because I don't want to use other functions from the API
   7 * or make this more complex. Also Fonts are not heavily used.
   8
   9 * This source code is in the PUBLIC DOMAIN and has NO WARRANTY.
  10 * by Waldo Alvarez Cañizares <wac at ghost.matcom.uh.cu>, started July 11, 2003. */
  11
  12 //#define WIN32_LEAN_AND_MEAN
  13 #include <windows.h>
  14 #include "utils.h"
  15
  16 #define CONTROLCLASS  "COMBOBOX"  /* the class name */
  17 #define CONTROLCLASSW L"COMBOBOX" /* the class name in unicode*/
  18
  19 #define WINDOWWIDTH 560
  20 #define WINDOWHEIGHT 350
  21
  22 /* --- Command IDs of some buttons --- */
  23 #define CREATEWINDOW_ID 106
  24 #define CREATEWINDOWEX_ID 107
  25 #define CREATEWINDOWW_ID 108
  26 #define INITPAGE_ID 400
  27 #define SECONDPAGE_ID 401
  28 #define BACKFIRSTPAGE_ID 402
  29
  30 /* --- Position where the result text goes --- */
  31 #define ResultX 0
  32 #define ResultY 305
  33
  34 /* --- Position where the notify text goes --- */
  35 #define NOTIFYX 390
  36 #define NOTIFYY 285
  37
  38 /* --- The width of most buttons --- */
  39 #define CHECKBUTWIDTH 190
  40 #define SCROLLAMOUNT -15
  41
  42 /* Size of buffer to hold resulting strings from conversion
  43 and returned by messages */
  44 #define BUFFERLEN 80
  45 char TextBuffer[BUFFERLEN]={'R','e','s','u','l','t',':',' '};
  46
  47 HWND g_hwnd = NULL;
  48 HINSTANCE g_hInst = NULL;
  49
  50 int pos = 10;
  51 int n = 0;
  52 int yButPos = 10;
  53 int xButPos = 0;
  54
  55 DWORD ComboStyle = 0;
  56
  57 /* --- Control coordinates --- */
  58 #define CONTROLPOSX 390
  59 #define CONTROLPOSY 10
  60 DWORD ControlWidth = 160;
  61 DWORD ControlHeight = 150;
  62
  63 static RECT  srect = {CONTROLPOSX,CONTROLPOSY,WINDOWWIDTH,WINDOWHEIGHT};
  64
  65 HWND hwndEdit = NULL;
  66
  67 RECT  rect;
  68 DWORD StartP,EndP;
  69 HWND hwnd; /* main window handle */
  70
  71 char AddString[] = "string added";
  72
  73 typedef void FunctionHandler(HWND,DWORD,WPARAM,LPARAM);
  74 typedef FunctionHandler* LPFUNCTIONHANDLER;
  75
  76 PrintTextXY(char* Text,int x,int y,int len, RECT rect)
  77     {
  78     HDC hdc;
  79     hdc = GetDC (g_hwnd);
  80     SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT));
  81
  82     TextOut (hdc, x,y,Text,len);
  83     ReleaseDC (g_hwnd, hdc);
  84
  85     ValidateRect (g_hwnd, &rect);
  86     }
  87
  88 static
  89 VOID
  90 HandlePrintReturnHex(HWND handle,DWORD Msg,WPARAM wParam,LPARAM lParam)
  91     {
  92     LRESULT ret;
  93     RECT rect;
  94     ret = SendMessage(handle,Msg,wParam,lParam);
  95     htoa((unsigned int)ret,&TextBuffer[8]);
  96     GetWindowRect(g_hwnd,&rect);
  97     PrintTextXY(TextBuffer,ResultX,ResultY,16,rect);
  98     }
  99
 100
 101 static
 102 VOID
 103 HandlePrintReturnStr(HWND handle,DWORD Msg,WPARAM wParam,LPARAM lParam)
 104     {
 105     LRESULT ret;
 106     RECT rect;
 107
 108     TextBuffer[8] = (char)(BUFFERLEN - 8); /* Setting the max size to put chars in first byte */
 109     ret = SendMessage(handle,Msg,wParam,lParam);
 110     GetWindowRect(g_hwnd,&rect);
 111     PrintTextXY(TextBuffer,ResultX,ResultY,8+(int)ret,rect);
 112     }
 113
 114 static
 115 VOID
 116 HandlePrintRect(HWND handle,DWORD Msg,WPARAM wParam,LPARAM lParam)
 117     {
 118     RECT rect;
 119     TextBuffer[8] = (char)(BUFFERLEN - 8); /* Setting the max size to put chars in first byte */
 120     SendMessage(handle,Msg,wParam,lParam);
 121
 122     htoa(rect.top,&TextBuffer[8]);
 123     TextBuffer[8+8] = ' ';
 124     htoa(rect.bottom,&TextBuffer[8+8+1]);
 125     TextBuffer[8+8+8+1] = ' ';
 126     htoa(rect.left,&TextBuffer[8+8+8+1+1]);
 127     TextBuffer[8+8+8+8+1+1] = ' ';
 128     htoa(rect.right,&TextBuffer[8+8+8+8+1+1+1]);
 129
 130     GetWindowRect(g_hwnd,&rect);
 131     PrintTextXY(TextBuffer,ResultX,ResultY,8+4*9-1,rect);
 132     }
 133
 134 struct
 135     {
 136     char* Text;                 /* Text for the button */
 137     DWORD MsgCode;              /* Message Code */
 138     WPARAM wParam;              /* Well hope you can understand this */
 139     LPARAM lParam;              /* ditto */
 140     LPFUNCTIONHANDLER Handler;  /* Funtion called to handle the result of each message */
 141     }
 142 Msg[] =
 143     {
 144     "CB_ADDSTRING",CB_ADDSTRING,0,(LPARAM)&AddString,&HandlePrintReturnHex,
 145         "CB_ADDSTRING - long",CB_ADDSTRING,0,(LPARAM)"very loooooooooong striiinnnnnnnnnggg",&HandlePrintReturnHex,
 146         "CB_DELETESTRING",CB_DELETESTRING,2,0,&HandlePrintReturnHex,   /* remember to catch WM_DELETEITEM*/
 147
 148         /* What a message, why M$ decided to implement his thing ? */
 149         "CB_DIR - drives",CB_DIR,DDL_DRIVES,
 150         /* Hoping that most machines have this */
 151         (LPARAM)"C:\\",
 152         &HandlePrintReturnHex,
 153
 154         "CB_DIR - dirs",CB_DIR,DDL_DIRECTORY,(LPARAM)"C:\\*",&HandlePrintReturnHex,
 155
 156         "CB_DIR - files",CB_DIR,
 157         DDL_ARCHIVE | DDL_EXCLUSIVE | DDL_HIDDEN | DDL_READONLY | DDL_READWRITE | DDL_SYSTEM,
 158         (LPARAM)"C:\\*",&HandlePrintReturnHex,
 159
 160         /* Do not forget WM_COMPAREITEM */
 161
 162         "CB_FINDSTRING",CB_FINDSTRING,1,(LPARAM)"str",&HandlePrintReturnHex,
 163         "CB_FINDSTRINGEXACT(-1)",CB_FINDSTRINGEXACT,-1,(LPARAM)&AddString,&HandlePrintReturnHex,
 164         "CB_FINDSTRINGEXACT(2)",CB_FINDSTRINGEXACT,2,(LPARAM)&AddString,&HandlePrintReturnHex,
 165
 166         /* "CB_GETCOMBOBOXINFO",CB_GETCOMBOBOXINFO,0,0,&HandlePrintReturnHex, winXP & .net server remember to handle the struct  */
 167
 168         "CB_GETCOUNT",CB_GETCOUNT,0,0,&HandlePrintReturnHex,
 169
 170         "CB_GETCURSEL",CB_GETCURSEL,0,0,&HandlePrintReturnHex,
 171
 172         /* To implement "CB_GETEDITSEL - vars",CB_GETEDITSEL,,,&HandlePrintReturnHex, */
 173
 174         "CB_GETEXTENDEDUI",CB_GETEXTENDEDUI,0,0,&HandlePrintReturnHex,
 175         "CB_GETHORIZONTALEXTENT",CB_GETHORIZONTALEXTENT,0,0,&HandlePrintReturnHex,
 176
 177
 178
 179         "CB_GETLBTEXT",CB_GETLBTEXT,1,(LPARAM)&TextBuffer[8],&HandlePrintReturnStr,
 180         "CB_GETLBTEXTLEN",CB_GETLBTEXTLEN,1,0,&HandlePrintReturnHex,
 181         "CB_GETLOCALE",CB_GETLOCALE,0,0,&HandlePrintReturnHex,
 182
 183         /* "CB_GETMINVISIBLE",CB_GETMINVISIBLE,0,0,&HandlePrintReturnHex, Included in Windows XP and Windows .NET Server. */
 184
 185         "CB_GETTOPINDEX",CB_GETTOPINDEX,0,0,&HandlePrintReturnHex,
 186
 187         "CB_INITSTORAGE",CB_INITSTORAGE,10,200,&HandlePrintReturnHex,
 188         "CB_INSERTSTRING",CB_INSERTSTRING,2,(LPARAM)"inserted string",&HandlePrintReturnHex,
 189
 190         "CB_LIMITTEXT",CB_LIMITTEXT,10,0,&HandlePrintReturnHex,
 191         "CB_RESETCONTENT",CB_RESETCONTENT ,0,0,&HandlePrintReturnHex,
 192         "CB_SELECTSTRING",CB_SELECTSTRING,2,(LPARAM)"str",&HandlePrintReturnHex,
 193         "CB_SETCURSEL",CB_SETCURSEL,1,0,&HandlePrintReturnHex,
 194
 195         "CB_SETDROPPEDWIDTH",CB_SETDROPPEDWIDTH,250,0,&HandlePrintReturnHex,
 196
 197         "CB_SETEXTENDEDUI - set",CB_SETEXTENDEDUI,TRUE,0,&HandlePrintReturnHex,
 198         "CB_SETEXTENDEDUI - clear",CB_SETEXTENDEDUI,FALSE,0,&HandlePrintReturnHex,
 199
 200         /*
 201         * win2k have a small bug with this ^ , if you press F4 while it is cleared,
 202         * the combobox is using style cbs_dropdown
 203         * and the pointer is over the edit box then the mouse pointer is not changed
 204         * to an arrow
 205         */
 206
 207         "CB_SETHORIZONTALEXTENT",CB_SETHORIZONTALEXTENT,500,0,&HandlePrintReturnHex,
 208
 209         "CB_GETITEMDATA",CB_GETITEMDATA,1,0,&HandlePrintReturnHex,
 210         "CB_SETITEMDATA",CB_SETITEMDATA,1,0x791031,&HandlePrintReturnHex,
 211
 212         "CB_SETITEMHEIGHT",CB_SETITEMHEIGHT,-1,30,&HandlePrintReturnHex,
 213         "CB_GETITEMHEIGHT",CB_GETITEMHEIGHT,2,0,&HandlePrintReturnHex,
 214
 215         /* "CB_SETMINVISIBLE",CB_SETMINVISIBLE,4,0,&HandlePrintReturnHex, Included in Windows XP and Windows .NET Server */
 216
 217         "CB_GETEDITSEL",CB_GETEDITSEL,(WPARAM)NULL,(LPARAM)NULL,&HandlePrintReturnHex,
 218         "CB_SETEDITSEL",CB_SETEDITSEL,0,0x00020005,&HandlePrintReturnHex,
 219         "CB_SETEDITSEL - clear",CB_SETEDITSEL,0,0xFFFFFFFF,&HandlePrintReturnHex,
 220
 221         "CB_SETTOPINDEX",CB_SETTOPINDEX,3,0,&HandlePrintReturnHex,
 222
 223         "CB_SHOWDROPDOWN - true",CB_SHOWDROPDOWN,TRUE,0,&HandlePrintReturnHex,
 224         "CB_SHOWDROPDOWN - false",CB_SHOWDROPDOWN,FALSE,0,&HandlePrintReturnHex,
 225
 226         "CB_GETDROPPEDCONTROLRECT",CB_GETDROPPEDCONTROLRECT,0,(LPARAM)&rect,&HandlePrintRect,
 227         "CB_GETDROPPEDSTATE",CB_GETDROPPEDSTATE,0,0,&HandlePrintReturnHex,
 228         "CB_GETDROPPEDWIDTH",CB_GETDROPPEDWIDTH,0,0,&HandlePrintReturnHex,
 229
 230         "WM_PASTE",WM_PASTE,0,0,&HandlePrintReturnHex,
 231     };
 232
 233 #define MAXMESSAGEBUTTONS 40
 234
 235 struct
 236     {
 237     char* Name;                 /* Text for the button */
 238     DWORD Code;                 /* Style Code */
 239     }
 240 Styles[] = {
 241     "WS_DISABLED",WS_DISABLED,
 242         "CBS_AUTOHSCROLL",CBS_AUTOHSCROLL,
 243         "CBS_DISABLENOSCROLL",CBS_DISABLENOSCROLL,
 244         "CBS_DROPDOWN",CBS_DROPDOWN,
 245         "CBS_DROPDOWNLIST",CBS_DROPDOWNLIST,
 246         "CBS_HASSTRINGS",CBS_HASSTRINGS,
 247         "CBS_LOWERCASE",CBS_LOWERCASE,
 248         "CBS_NOINTEGRALHEIGHT",CBS_NOINTEGRALHEIGHT,
 249         "CBS_OEMCONVERT",CBS_OEMCONVERT,
 250         "CBS_OWNERDRAWFIXED",CBS_OWNERDRAWFIXED,
 251         "CBS_OWNERDRAWVARIABLE",CBS_OWNERDRAWVARIABLE,
 252         "CBS_SIMPLE",CBS_SIMPLE,
 253         "CBS_SORT",CBS_SORT,
 254         "CBS_UPPERCASE",CBS_UPPERCASE,
 255         "CBS_DISABLENOSCROLL",CBS_DISABLENOSCROLL,
 256         "WS_HSCROLL",WS_HSCROLL,
 257         "WS_VSCROLL",WS_VSCROLL
 258     };
 259
 260 /* The number of check buttons we have.
 261 * Maybe some calculations at compile time would be better
 262 */
 263
 264 #define NUMBERCHECKS 17
 265
 266 #define NUMBERBUTTONS  NUMBERCHECKS + 7
 267 HWND Buttons[NUMBERBUTTONS];
 268 HWND MessageButtons[MAXMESSAGEBUTTONS];
 269 HWND Back1But,Back2But;
 270 HWND NextBut;
 271
 272 HWND
 273 CreateCheckButton(const char* lpWindowName, DWORD xSize, DWORD id)
 274     {
 275     HWND h;
 276     h  = CreateWindowEx(0,
 277         "BUTTON",
 278         lpWindowName,
 279         WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX,
 280         xButPos, /*  x  */
 281         yButPos, /*  y  */
 282         xSize,   /* nWidth  */
 283         20,      /* nHeight */
 284         g_hwnd,
 285         (HMENU) id,
 286         g_hInst,
 287         NULL
 288         );
 289     yButPos += 21;
 290     return h;
 291     }
 292
 293 HWND
 294 CreatePushButton(const char* lpWindowName, DWORD xSize, DWORD id,DWORD Style)
 295     {
 296
 297     HWND h = CreateWindow("BUTTON",
 298         lpWindowName,
 299         WS_CHILD | BS_PUSHBUTTON | Style,
 300         xButPos, /* x */
 301         yButPos, /* y */
 302         xSize,   /* nWidth */
 303         20,      /* nHeight */
 304         g_hwnd,
 305         (HMENU) id,
 306         g_hInst,
 307         NULL
 308         );
 309
 310     yButPos += 21;
 311     return h;
 312     }
 313
 314 VOID
 315 ReadNHide()
 316     {
 317     int i;
 318     ComboStyle = 0;
 319     for (i=0 ; i< NUMBERCHECKS ; i++)
 320         {
 321         if(BST_CHECKED == SendMessage(Buttons[i],BM_GETCHECK,0,0))
 322             ComboStyle |= Styles[i].Code;
 323         ShowWindow(Buttons[i],SW_HIDE);
 324         }
 325
 326     for (; i< NUMBERBUTTONS ; i++)ShowWindow(Buttons[i],SW_HIDE);
 327     for (i=0 ; i< 26 ; i++) ShowWindow(MessageButtons[i],SW_SHOW);
 328
 329     ShowWindow(Back1But,SW_SHOW);
 330     ShowWindow(NextBut,SW_SHOW);
 331     }
 332
 333 VOID
 334 ForwardToSecondPage()
 335     {
 336     int i;
 337     for (i=0;i<26;i++)ShowWindow(MessageButtons[i],SW_HIDE);
 338     for(;i<MAXMESSAGEBUTTONS;i++)ShowWindow(MessageButtons[i],SW_SHOW);
 339     ShowWindow(Back2But,SW_SHOW);
 340
 341     ShowWindow(Back1But,SW_HIDE);
 342     ShowWindow(NextBut,SW_HIDE);
 343     }
 344
 345 VOID
 346 BackToFirstPage()
 347     {
 348     int i;
 349     for (i=0;i<26;i++)ShowWindow(MessageButtons[i],SW_SHOW);
 350     for(;i<MAXMESSAGEBUTTONS;i++)ShowWindow(MessageButtons[i],SW_HIDE);
 351     ShowWindow(Back2But,SW_HIDE);
 352     ShowWindow(Back1But,SW_SHOW);
 353     ShowWindow(NextBut,SW_SHOW);
 354     }
 355
 356 VOID
 357 BackToInitialPage()
 358     {
 359     int i;
 360     DestroyWindow(hwndEdit);
 361     for (i=0 ; i< NUMBERBUTTONS ; i++) {ShowWindow(Buttons[i],SW_SHOW);}
 362 for (i=0;i<26;i++)ShowWindow(MessageButtons[i],SW_HIDE);
 363 ShowWindow(Back1But,SW_HIDE);
 364 ShowWindow(NextBut,SW_HIDE);
 365     }
 366
 367 LRESULT
 368 CALLBACK
 369 WndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
 370     {
 371     int i;
 372     switch ( msg )
 373         {
 374         case WM_CREATE:
 375             g_hwnd = hwnd;
 376
 377             /* ---- Initial page ---- */
 378
 379             for (i = 0 ; i < 14 ; i++)
 380                 Buttons[i] = CreateCheckButton(Styles[i].Name,CHECKBUTWIDTH,500+i);
 381
 382             xButPos += CHECKBUTWIDTH + 10;
 383             yButPos = 10;
 384
 385             for (; i < NUMBERCHECKS ; i++)
 386                 Buttons[i] = CreateCheckButton(Styles[i].Name,CHECKBUTWIDTH,500+i);
 387
 388             Buttons[i++] = CreatePushButton("Width +",70,100,WS_VISIBLE);
 389             Buttons[i++] = CreatePushButton("Width -",70,101,WS_VISIBLE);
 390
 391             Buttons[i++] = CreatePushButton("Heigth +",70,102,WS_VISIBLE);
 392             Buttons[i++] = CreatePushButton("Heigth -",70,103,WS_VISIBLE);
 393
 394             Buttons[i++] = CreatePushButton("CreateWindowA",CHECKBUTWIDTH,CREATEWINDOW_ID,WS_VISIBLE);
 395             Buttons[i++] = CreatePushButton("CreateWindowExA",CHECKBUTWIDTH,CREATEWINDOWEX_ID,WS_VISIBLE);
 396             Buttons[i++] = CreatePushButton("CreateWindowExW",CHECKBUTWIDTH,CREATEWINDOWW_ID,WS_VISIBLE);
 397
 398
 399             /* ---- The 1st page of buttons ---- */
 400
 401             xButPos = 0;
 402             yButPos = 10;
 403
 404             for (i = 0 ; i < 14 ; i++)
 405                 MessageButtons[i] = CreatePushButton(Msg[i].Text,CHECKBUTWIDTH,600+i,0);
 406
 407             xButPos += CHECKBUTWIDTH + 10;
 408             yButPos = 10;
 409
 410             for (; i < 26 ; i++)
 411                 MessageButtons[i] = CreatePushButton(Msg[i].Text,CHECKBUTWIDTH,600+i,0);
 412
 413             Back1But = CreatePushButton("Back - destroys ComboBox",CHECKBUTWIDTH,INITPAGE_ID,0);
 414             NextBut = CreatePushButton("Next",CHECKBUTWIDTH,SECONDPAGE_ID,0);
 415
 416             /* ---- The 2nd page of buttons ------*/
 417
 418             xButPos = 0;
 419             yButPos = 10;
 420
 421             for (; i<40; i++)
 422                 MessageButtons[i] = CreatePushButton(Msg[i].Text,CHECKBUTWIDTH,600+i,0);
 423
 424             xButPos += CHECKBUTWIDTH + 10;
 425             yButPos = 10;
 426
 427             for (; i < MAXMESSAGEBUTTONS ; i++)
 428                 MessageButtons[i] = CreatePushButton(Msg[i].Text,CHECKBUTWIDTH,600+i,0);
 429
 430             Back2But = CreatePushButton("Back",CHECKBUTWIDTH,BACKFIRSTPAGE_ID,0);
 431
 432             break;
 433
 434         case WM_COMMAND:
 435             if (LOWORD(wParam) >= 600)
 436                 {
 437                 Msg[LOWORD(wParam)-600].Handler(hwndEdit,
 438                     Msg[LOWORD(wParam)-600].MsgCode,
 439                     Msg[LOWORD(wParam)-600].wParam,
 440                     Msg[LOWORD(wParam)-600].lParam);
 441                 break;
 442                 }
 443
 444             switch(LOWORD(wParam)){
 445
 446         case 100:
 447             ControlWidth += 10;
 448             break;
 449
 450         case 101:
 451             ControlWidth -= 10;
 452             break;
 453
 454         case 102:
 455             ControlHeight += 10;
 456             break;
 457
 458         case 103:
 459             ControlHeight -= 10;
 460             break;
 461
 462         case INITPAGE_ID:
 463             BackToInitialPage();
 464             break;
 465
 466         case SECONDPAGE_ID:
 467             ForwardToSecondPage();
 468             break;
 469
 470         case BACKFIRSTPAGE_ID:
 471             BackToFirstPage();
 472             break;
 473
 474         case CREATEWINDOW_ID:
 475             ReadNHide();
 476             srect.top = CONTROLPOSY + ControlHeight;
 477             hwndEdit = CreateWindow(CONTROLCLASS,
 478                 NULL,
 479                 ComboStyle | WS_CHILD | WS_VISIBLE,
 480                 CONTROLPOSX,
 481                 CONTROLPOSY,
 482                 ControlWidth,
 483                 ControlHeight,
 484                 g_hwnd,
 485                 NULL,
 486                 g_hInst,
 487                 NULL);
 488             break;
 489
 490         case CREATEWINDOWEX_ID:
 491             ReadNHide();
 492             srect.top = CONTROLPOSY + ControlHeight;
 493             hwndEdit = CreateWindowEx(WS_EX_CLIENTEDGE,
 494                 CONTROLCLASS,
 495                 NULL,
 496                 ComboStyle | WS_CHILD | WS_VISIBLE ,
 497                 CONTROLPOSX,
 498                 CONTROLPOSY,
 499                 ControlWidth,
 500                 ControlHeight,
 501                 g_hwnd,
 502                 NULL,
 503                 g_hInst,
 504                 NULL);
 505             break;
 506
 507         case CREATEWINDOWW_ID:
 508             ReadNHide();
 509             srect.top = CONTROLPOSY + ControlHeight;
 510             hwndEdit = CreateWindowExW(WS_EX_CLIENTEDGE,
 511                 CONTROLCLASSW,
 512                 NULL,
 513                 ComboStyle | WS_CHILD | WS_VISIBLE ,
 514                 CONTROLPOSX,
 515                 CONTROLPOSY,
 516                 ControlWidth,
 517                 ControlHeight,
 518                 g_hwnd,
 519                 NULL,
 520                 g_hInst,
 521                 NULL);
 522             break;
 523                 }
 524
 525         if (lParam == (LPARAM)hwndEdit)
 526             switch(HIWORD(wParam))
 527             {
 528                 case CBN_DROPDOWN:
 529                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 530                     PrintTextXY("CBN_DROPDOWN notification",NOTIFYX,NOTIFYY,25,srect);
 531                     break;
 532
 533                 case CBN_CLOSEUP:
 534                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 535                     PrintTextXY("CBN_CLOSEUP notification",NOTIFYX,NOTIFYY,24,srect);
 536                     break;
 537
 538                 case CBN_DBLCLK:
 539                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 540                     PrintTextXY("CBN_DBLCLK notification",NOTIFYX,NOTIFYY,23,srect);
 541                     break;
 542
 543                 case CBN_EDITCHANGE:
 544                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 545                     PrintTextXY("CBN_EDITCHANGE notification",NOTIFYX,NOTIFYY,27,srect);
 546                     break;
 547
 548                 case CBN_ERRSPACE:
 549                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 550                     PrintTextXY("CBN_ERRSPACE notification",NOTIFYX,NOTIFYY,25,srect);
 551                     break;
 552
 553                 case CBN_KILLFOCUS:
 554                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 555                     PrintTextXY("CBN_KILLFOCUS notification",NOTIFYX,NOTIFYY,26,srect);
 556                     break;
 557
 558                 case CBN_EDITUPDATE:
 559                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 560                     PrintTextXY("CBN_EDITUPDATE notification",NOTIFYX,NOTIFYY,27,srect);
 561                     break;
 562
 563                 case CBN_SELCHANGE:
 564                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 565                     PrintTextXY("CBN_SELCHANGE notification",NOTIFYX,NOTIFYY,26,srect);
 566                     break;
 567
 568                 case CBN_SELENDCANCEL:
 569                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 570                     PrintTextXY("CBN_SELENDCANCEL notification",NOTIFYX,NOTIFYY,29,srect);
 571                     break;
 572
 573                 case CBN_SETFOCUS:
 574                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 575                     PrintTextXY("CBN_SETFOCUS notification",NOTIFYX,NOTIFYY,25,srect);
 576                     break;
 577
 578                 case CBN_SELENDOK:
 579                     ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 580                     PrintTextXY("CBN_SELENDOK notification",NOTIFYX,NOTIFYY,25,srect);
 581                     break;
 582             }
 583
 584         return DefWindowProc ( hwnd, msg, wParam, lParam );
 585
 586         case WM_MEASUREITEM:
 587             ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 588             PrintTextXY("WM_MEASUREITEM called",NOTIFYX,NOTIFYY,21,srect);
 589             break;
 590
 591         case WM_COMPAREITEM:
 592             ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 593             PrintTextXY("WM_COMPAREITEM called",NOTIFYX,NOTIFYY,21,srect);
 594             break;
 595
 596         case WM_DRAWITEM:
 597             ScrollWindow (hwnd, 0, SCROLLAMOUNT, &srect, &srect);
 598             PrintTextXY("WM_DRAWITEM called",NOTIFYX,NOTIFYY,18,srect);
 599             break;
 600
 601         case WM_SIZE :
 602             return 0;
 603
 604         case WM_CLOSE:
 605             DestroyWindow (g_hwnd);
 606             return 0;
 607
 608         case WM_QUERYENDSESSION:
 609             return 0;
 610
 611         case WM_DESTROY:
 612             PostQuitMessage(0);
 613             return 0;
 614         }
 615     return DefWindowProc ( hwnd, msg, wParam, lParam );
 616     }
 617
 618
 619 HWND
 620 RegisterAndCreateWindow (HINSTANCE hInst,
 621                          const char* className,
 622                          const char* title)
 623     {
 624     WNDCLASSEX wc;
 625
 626
 627     g_hInst = hInst;
 628
 629     wc.cbSize = sizeof (WNDCLASSEX);
 630
 631     wc.lpfnWndProc = WndProc;   /* window procedure */
 632     wc.hInstance = hInst;       /* owner of the class */
 633
 634     wc.lpszClassName = className;
 635     wc.hCursor = LoadCursor ( 0, IDC_ARROW );
 636     wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 637     wc.style = CS_HREDRAW | CS_VREDRAW;
 638     wc.cbClsExtra = 0;
 639     wc.cbWndExtra = 0;
 640     wc.hIcon = 0;
 641     wc.hIconSm = 0;
 642     wc.lpszMenuName = 0;
 643
 644     if ( !RegisterClassEx ( &wc ) )
 645         return NULL;
 646
 647     hwnd = CreateWindowEx (
 648         0,          /* dwStyleEx */
 649         className,  /* class name */
 650         title,      /* window title */
 651
 652         WS_OVERLAPPEDWINDOW, /* dwStyle */
 653
 654         1,            /* x */
 655         1,            /* y */
 656         WINDOWWIDTH,  /* width */
 657         WINDOWHEIGHT, /* height */
 658         NULL,         /* hwndParent */
 659         NULL,         /* hMenu */
 660         hInst,
 661         0
 662         );
 663
 664     if (!hwnd) return NULL;
 665
 666     ShowWindow (hwnd, SW_SHOW);
 667     UpdateWindow (hwnd);
 668
 669     return hwnd;
 670     }
 671
 672 int
 673 WINAPI
 674 WinMain ( HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR cmdParam, int cmdShow )
 675     {
 676     char className [] = "ComboBox Control Test";
 677     MSG msg;
 678
 679     RegisterAndCreateWindow ( hInst, className, "ComboBox Control Test" );
 680
 681     while (GetMessage (&msg, NULL, 0, 0))
 682         {
 683         TranslateMessage (&msg);
 684         DispatchMessage (&msg);
 685         }
 686     return (int)msg.wParam;
 687     }