base/applications/sndvol32/sndvol32.c

   1 /*
   2  * ReactOS Sound Volume Control
   3  * Copyright (C) 2004-2005 Thomas Weidenmueller
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19 /*
  20  * COPYRIGHT:   See COPYING in the top level directory
  21  * PROJECT:     ReactOS Sound Volume Control
  22  * FILE:        base/applications/sndvol32/sndvol32.c
  23  * PROGRAMMERS: Thomas Weidenmueller <w3seek@reactos.com>
  24  */
  25
  26 #include "sndvol32.h"
  27
  28 #include <shellapi.h>
  29
  30 HINSTANCE hAppInstance;
  31 ATOM MainWindowClass;
  32 HWND hMainWnd;
  33 HANDLE hAppHeap;
  34 LPTSTR lpAppTitle;
  35 PREFERENCES_CONTEXT Preferences;
  36
  37 #define GetDialogData(hwndDlg, type) \
  38     ( P##type )GetWindowLongPtr((hwndDlg), DWLP_USER)
  39 #define GetWindowData(hwnd, type) \
  40     ( P##type )GetWindowLongPtr((hwnd), GWL_USERDATA)
  41
  42 /******************************************************************************/
  43
  44
  45
  46 typedef struct _PREFERENCES_FILL_DEVICES
  47 {
  48     PPREFERENCES_CONTEXT PrefContext;
  49     HWND hComboBox;
  50     UINT Selected;
  51 } PREFERENCES_FILL_DEVICES, *PPREFERENCES_FILL_DEVICES;
  52
  53 static BOOL CALLBACK
  54 FillDeviceComboBox(PSND_MIXER Mixer,
  55                    UINT Id,
  56                    LPCTSTR ProductName,
  57                    PVOID Context)
  58 {
  59     LRESULT lres;
  60     PPREFERENCES_FILL_DEVICES FillContext = (PPREFERENCES_FILL_DEVICES)Context;
  61
  62     UNREFERENCED_PARAMETER(Mixer);
  63
  64     lres = SendMessage(FillContext->hComboBox,
  65                        CB_ADDSTRING,
  66                        0,
  67                        (LPARAM)ProductName);
  68     if (lres != CB_ERR)
  69     {
  70         /* save the index so we don't screw stuff when the combobox is sorted... */
  71         SendMessage(FillContext->hComboBox,
  72                     CB_SETITEMDATA,
  73                     (WPARAM)lres,
  74                     Id);
  75
  76         if (Id == FillContext->Selected)
  77         {
  78             SendMessage(FillContext->hComboBox,
  79                         CB_SETCURSEL,
  80                         (WPARAM)lres,
  81                         0);
  82         }
  83     }
  84
  85     return TRUE;
  86 }
  87
  88 static BOOL CALLBACK
  89 PrefDlgAddLine(PSND_MIXER Mixer,
  90                LPMIXERLINE Line,
  91                UINT DisplayControls,
  92                PVOID Context)
  93 {
  94     PPREFERENCES_CONTEXT PrefContext = (PPREFERENCES_CONTEXT)Context;
  95
  96     UNREFERENCED_PARAMETER(Mixer);
  97     UNREFERENCED_PARAMETER(DisplayControls);
  98
  99     switch (Line->dwComponentType)
 100     {
 101         case MIXERLINE_COMPONENTTYPE_DST_SPEAKERS:
 102             if (PrefContext->PlaybackID == (DWORD)-1)
 103             {
 104                 PrefContext->PlaybackID = Line->dwLineID;
 105
 106                 if (PrefContext->SelectedLine == (DWORD)-1)
 107                 {
 108                     PrefContext->SelectedLine = Line->dwLineID;
 109                 }
 110             }
 111             else
 112                 goto AddToOthersLines;
 113
 114             break;
 115
 116         case MIXERLINE_COMPONENTTYPE_DST_WAVEIN:
 117             if (PrefContext->RecordingID == (DWORD)-1)
 118             {
 119                 PrefContext->RecordingID = Line->dwLineID;
 120
 121                 if (PrefContext->SelectedLine == (DWORD)-1)
 122                 {
 123                     PrefContext->SelectedLine = Line->dwLineID;
 124                 }
 125             }
 126             else
 127                 goto AddToOthersLines;
 128
 129             break;
 130
 131         default:
 132         {
 133             LRESULT lres;
 134             HWND hwndCbOthers;
 135
 136             if (PrefContext->SelectedLine == (DWORD)-1)
 137             {
 138                 PrefContext->SelectedLine = Line->dwLineID;
 139             }
 140
 141 AddToOthersLines:
 142             hwndCbOthers = GetDlgItem(PrefContext->hwndDlg,
 143                                       IDC_LINE);
 144
 145             lres = SendMessage(hwndCbOthers,
 146                                CB_ADDSTRING,
 147                                0,
 148                                (LPARAM)Line->szName);
 149             if (lres != CB_ERR)
 150             {
 151                 SendMessage(hwndCbOthers,
 152                             CB_SETITEMDATA,
 153                             (WPARAM)lres,
 154                             Line->dwLineID);
 155
 156                 PrefContext->OtherLines++;
 157             }
 158             break;
 159         }
 160     }
 161
 162     return TRUE;
 163 }
 164
 165 static BOOL CALLBACK
 166 PrefDlgAddConnection(PSND_MIXER Mixer,
 167                      DWORD LineID,
 168                      LPMIXERLINE Line,
 169                      PVOID Context)
 170 {
 171     PPREFERENCES_CONTEXT PrefContext = (PPREFERENCES_CONTEXT)Context;
 172     HWND hwndControls;
 173     LVITEM lvi;
 174     UINT i;
 175
 176     UNREFERENCED_PARAMETER(Mixer);
 177     UNREFERENCED_PARAMETER(LineID);
 178
 179     if (Line->cControls != 0)
 180     {
 181         hwndControls = GetDlgItem(PrefContext->hwndDlg,
 182                                   IDC_CONTROLS);
 183
 184         lvi.mask = LVIF_TEXT | LVIF_PARAM;
 185         lvi.iItem = PrefContext->tmp++;
 186         lvi.iSubItem = 0;
 187         lvi.pszText = Line->szName;
 188         lvi.lParam = (LPARAM)Line->dwSource;
 189
 190         i = SendMessage(hwndControls,
 191                         LVM_INSERTITEM,
 192                         0,
 193                         (LPARAM)&lvi);
 194         if (i != (UINT)-1)
 195         {
 196             TCHAR LineName[MIXER_LONG_NAME_CHARS];
 197             DWORD Flags;
 198             BOOL SelLine = FALSE;
 199
 200             if (SndMixerGetLineName(PrefContext->Mixer,
 201                                     PrefContext->SelectedLine,
 202                                     LineName,
 203                                     MIXER_LONG_NAME_CHARS,
 204                                     TRUE) == -1)
 205             {
 206                 LineName[0] = TEXT('\0');
 207             }
 208
 209             if (ReadLineConfig(PrefContext->DeviceName,
 210                                LineName,
 211                                Line->szName,
 212                                &Flags))
 213             {
 214                 if (Flags != 0x4)
 215                 {
 216                     SelLine = TRUE;
 217                 }
 218             }
 219
 220             ListView_SetCheckState(hwndControls,
 221                                    i,
 222                                    SelLine);
 223         }
 224     }
 225
 226     return TRUE;
 227 }
 228
 229 static VOID
 230 UpdatePrefDlgControls(PPREFERENCES_CONTEXT Context,
 231                       DWORD LineID)
 232 {
 233     INT OldID, MixerID = 0;
 234     INT DeviceCbIndex;
 235
 236     /* select the mixer */
 237     DeviceCbIndex = SendDlgItemMessage(Context->hwndDlg,
 238                                        IDC_MIXERDEVICE,
 239                                        CB_GETCURSEL,
 240                                        0,
 241                                        0);
 242     if (DeviceCbIndex != CB_ERR)
 243     {
 244         MixerID = SendDlgItemMessage(Context->hwndDlg,
 245                                      IDC_MIXERDEVICE,
 246                                      CB_GETITEMDATA,
 247                                      DeviceCbIndex,
 248                                      0);
 249         if (MixerID == CB_ERR)
 250         {
 251             MixerID = 0;
 252         }
 253     }
 254
 255     OldID = Context->Selected;
 256     if (MixerID != OldID &&
 257         SndMixerSelect(Context->Mixer,
 258                        MixerID))
 259     {
 260         Context->Selected = SndMixerGetSelection(Context->Mixer);
 261
 262         /* update the controls */
 263         Context->PlaybackID = (DWORD)-1;
 264         Context->RecordingID = (DWORD)-1;
 265         Context->OtherLines = 0;
 266         Context->SelectedLine = (DWORD)-1;
 267
 268         SndMixerGetProductName(Context->Mixer,
 269                                Context->DeviceName,
 270                                sizeof(Context->DeviceName) / sizeof(Context->DeviceName[0]));
 271
 272         if (SndMixerEnumLines(Context->Mixer,
 273                               PrefDlgAddLine,
 274                               Context))
 275         {
 276             UINT SelBox = 0;
 277
 278             /* enable/disable controls and make default selection */
 279             EnableWindow(GetDlgItem(Context->hwndDlg,
 280                                     IDC_PLAYBACK),
 281                          Context->PlaybackID != (DWORD)-1);
 282             CheckDlgButton(Context->hwndDlg,
 283                            IDC_PLAYBACK,
 284                            (Context->PlaybackID != (DWORD)-1 && SelBox++ == 0) ?
 285                                BST_CHECKED : BST_UNCHECKED);
 286
 287             EnableWindow(GetDlgItem(Context->hwndDlg,
 288                                     IDC_RECORDING),
 289                          Context->RecordingID != (DWORD)-1);
 290             CheckDlgButton(Context->hwndDlg,
 291                            IDC_RECORDING,
 292                            (Context->RecordingID != (DWORD)-1 && SelBox++ == 0) ?
 293                                BST_CHECKED : BST_UNCHECKED);
 294
 295             if (Context->OtherLines != 0)
 296             {
 297                 /* select the first item in the other lines combo box by default */
 298                 SendDlgItemMessage(Context->hwndDlg,
 299                                    IDC_LINE,
 300                                    CB_SETCURSEL,
 301                                    0,
 302                                    0);
 303             }
 304             EnableWindow(GetDlgItem(Context->hwndDlg,
 305                                     IDC_LINE),
 306                          FALSE);
 307             EnableWindow(GetDlgItem(Context->hwndDlg,
 308                                     IDC_OTHER),
 309                          Context->OtherLines != 0);
 310             CheckDlgButton(Context->hwndDlg,
 311                            IDC_LINE,
 312                            (Context->OtherLines != 0 && SelBox++ == 0) ?
 313                                BST_CHECKED : BST_UNCHECKED);
 314
 315             /* disable the OK button if the device doesn't have any lines */
 316             EnableWindow(GetDlgItem(Context->hwndDlg,
 317                                     IDOK),
 318                          Context->PlaybackID != (DWORD)-1 ||
 319                          Context->RecordingID != (DWORD)-1 ||
 320                          Context->OtherLines != 0);
 321
 322             LineID = Context->SelectedLine;
 323         }
 324     }
 325
 326     /* update the line sources list */
 327     if ((MixerID != OldID && Context->SelectedLine != (DWORD)-1) ||
 328         (Context->SelectedLine != LineID && LineID != (DWORD)-1))
 329     {
 330         Context->SelectedLine = LineID;
 331
 332         (void)ListView_DeleteAllItems(GetDlgItem(Context->hwndDlg,
 333                                       IDC_CONTROLS));
 334
 335         Context->tmp = 0;
 336         SndMixerEnumConnections(Context->Mixer,
 337                                 LineID,
 338                                 PrefDlgAddConnection,
 339                                 Context);
 340     }
 341 }
 342
 343 static
 344 VOID
 345 WriteLineSettings(PPREFERENCES_CONTEXT Context, HWND hwndDlg)
 346 {
 347     HWND hwndControls;
 348     INT Count, Index;
 349     WCHAR LineName[MIXER_LONG_NAME_CHARS];
 350     WCHAR DestinationName[MIXER_LONG_NAME_CHARS];
 351     DWORD Flags;
 352     PSNDVOL_REG_LINESTATE LineStates;
 353
 354     /* get list view */
 355     hwndControls = GetDlgItem(hwndDlg, IDC_CONTROLS);
 356
 357     /* get list item count */
 358     Count = ListView_GetItemCount(hwndControls);
 359
 360     /* sanity check */
 361     assert(Count);
 362
 363     if (SndMixerGetLineName(Context->Mixer, Context->SelectedLine, DestinationName, MIXER_LONG_NAME_CHARS, TRUE) == -1)
 364     {
 365         /* failed to get destination line name */
 366         return;
 367     }
 368
 369     /* allocate line states array */
 370     LineStates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(SNDVOL_REG_LINESTATE) * Count);
 371     if (LineStates == NULL)
 372     {
 373         /* failed to allocate line states array */
 374         return;
 375     }
 376
 377
 378     for(Index = 0; Index < Count; Index++)
 379     {
 380         /* set to empty */
 381         LineName[0] = L'\0';
 382
 383         /* get item text */
 384         ListView_GetItemText(hwndControls, Index, 0, LineName, MIXER_LONG_NAME_CHARS);
 385
 386         /* make sure it is null terminated */
 387         LineName[MIXER_LONG_NAME_CHARS-1] = L'\0';
 388
 389         /* get check state */
 390         Flags = (ListView_GetCheckState(hwndControls, Index) == 0 ? 0x4 : 0);
 391
 392         /* copy line name */
 393         wcscpy(LineStates[Index].LineName, LineName);
 394
 395         /* store flags */
 396         LineStates[Index].Flags = Flags;
 397     }
 398
 399     /* now write the line config */
 400     WriteLineConfig(Context->DeviceName, DestinationName, LineStates, sizeof(SNDVOL_REG_LINESTATE) * Count);
 401
 402     /* free line states */
 403     HeapFree(GetProcessHeap(), 0, LineStates);
 404 }
 405
 406 static INT_PTR CALLBACK
 407 DlgPreferencesProc(HWND hwndDlg,
 408                    UINT uMsg,
 409                    WPARAM wParam,
 410                    LPARAM lParam)
 411 {
 412     PPREFERENCES_CONTEXT Context;
 413
 414     switch (uMsg)
 415     {
 416         case WM_COMMAND:
 417         {
 418             Context = GetDialogData(hwndDlg,
 419                                     PREFERENCES_CONTEXT);
 420             switch (LOWORD(wParam))
 421             {
 422                 case IDC_MIXERDEVICE:
 423                 {
 424                     if (HIWORD(wParam) == CBN_SELCHANGE)
 425                     {
 426                         UpdatePrefDlgControls(Context,
 427                                               (DWORD)-1);
 428                     }
 429                     break;
 430                 }
 431
 432                 case IDC_LINE:
 433                 {
 434                     if (HIWORD(wParam) == CBN_SELCHANGE)
 435                     {
 436                         INT LineID;
 437                         INT Index;
 438
 439                         Index = SendDlgItemMessage(hwndDlg,
 440                                                    IDC_LINE,
 441                                                    CB_GETCURSEL,
 442                                                    0,
 443                                                    0);
 444                         if (Index != CB_ERR)
 445                         {
 446                             LineID = SendDlgItemMessage(hwndDlg,
 447                                                         IDC_LINE,
 448                                                         CB_GETITEMDATA,
 449                                                         Index,
 450                                                         0);
 451                             if (LineID != CB_ERR)
 452                             {
 453                                 UpdatePrefDlgControls(Context,
 454                                                       LineID);
 455                             }
 456                         }
 457                     }
 458                     break;
 459                 }
 460
 461                 case IDC_PLAYBACK:
 462                 {
 463                     UpdatePrefDlgControls(Context,
 464                                           Context->PlaybackID);
 465                     EnableWindow(GetDlgItem(hwndDlg,
 466                                             IDC_LINE),
 467                                  FALSE);
 468                     break;
 469                 }
 470
 471                 case IDC_RECORDING:
 472                 {
 473                     UpdatePrefDlgControls(Context,
 474                                           Context->RecordingID);
 475                     EnableWindow(GetDlgItem(hwndDlg,
 476                                             IDC_LINE),
 477                                  FALSE);
 478                     break;
 479                 }
 480
 481                 case IDC_OTHER:
 482                 {
 483                     INT LineCbIndex;
 484                     INT LineID;
 485
 486                     EnableWindow(GetDlgItem(hwndDlg,
 487                                             IDC_LINE),
 488                                  TRUE);
 489
 490                     LineCbIndex = SendDlgItemMessage(hwndDlg,
 491                                                      IDC_LINE,
 492                                                      CB_GETCURSEL,
 493                                                      0,
 494                                                      0);
 495                     if (LineCbIndex != CB_ERR)
 496                     {
 497                         LineID = SendDlgItemMessage(hwndDlg,
 498                                                     IDC_LINE,
 499                                                     CB_GETITEMDATA,
 500                                                     LineCbIndex,
 501                                                     0);
 502                         if (LineID != CB_ERR)
 503                         {
 504                             UpdatePrefDlgControls(Context,
 505                                                   LineID);
 506                         }
 507                     }
 508                     break;
 509                 }
 510
 511                 case IDOK:
 512                 {
 513                     /* write line settings */
 514                     WriteLineSettings(Context, hwndDlg);
 515
 516                     /* fall through */
 517                 }
 518                 case IDCANCEL:
 519                 {
 520                     EndDialog(hwndDlg,
 521                               LOWORD(wParam));
 522                     break;
 523                 }
 524             }
 525             break;
 526         }
 527
 528         case WM_INITDIALOG:
 529         {
 530             PREFERENCES_FILL_DEVICES FillDevContext;
 531             LVCOLUMN lvc;
 532             RECT rcClient;
 533             HWND hwndControls;
 534
 535             SetWindowLongPtr(hwndDlg,
 536                              DWLP_USER,
 537                              (LONG_PTR)lParam);
 538             Context = (PPREFERENCES_CONTEXT)((LONG_PTR)lParam);
 539             Context->hwndDlg = hwndDlg;
 540             Context->Mixer = SndMixerCreate(hwndDlg, Context->MixerWindow->MixerId);
 541             Context->Selected = (UINT)-1;
 542
 543             FillDevContext.PrefContext = Context;
 544             FillDevContext.hComboBox = GetDlgItem(hwndDlg,
 545                                                   IDC_MIXERDEVICE);
 546             FillDevContext.Selected = SndMixerGetSelection(Context->Mixer);
 547             SndMixerEnumProducts(Context->Mixer,
 548                                  FillDeviceComboBox,
 549                                  &FillDevContext);
 550
 551             /* initialize the list view control */
 552             hwndControls = GetDlgItem(hwndDlg,
 553                                       IDC_CONTROLS);
 554             (void)ListView_SetExtendedListViewStyle(hwndControls,
 555                                                     LVS_EX_CHECKBOXES);
 556
 557             GetClientRect(hwndControls,
 558                           &rcClient);
 559             lvc.mask = LVCF_TEXT | LVCF_WIDTH;
 560             lvc.pszText = TEXT("");
 561             lvc.cx = rcClient.right;
 562             SendMessage(hwndControls,
 563                         LVM_INSERTCOLUMN,
 564                         0,
 565                         (LPARAM)&lvc);
 566
 567             /* update all controls */
 568             UpdatePrefDlgControls(Context,
 569                                   (DWORD)Context->SelectedLine);
 570             return TRUE;
 571         }
 572
 573         case WM_CLOSE:
 574         {
 575             EndDialog(hwndDlg,
 576                       IDCANCEL);
 577             break;
 578         }
 579
 580         case WM_SYSCOLORCHANGE:
 581         {
 582             HWND hwndControls;
 583
 584             /* Forward WM_SYSCOLORCHANGE */
 585             hwndControls = GetDlgItem(hwndDlg, IDC_CONTROLS);
 586             SendMessage(hwndControls, WM_SYSCOLORCHANGE, 0, 0);
 587             break;
 588         }
 589     }
 590
 591     return 0;
 592 }
 593
 594
 595 /******************************************************************************/
 596
 597 static VOID
 598 DeleteMixerWindowControls(PMIXER_WINDOW MixerWindow)
 599 {
 600     DWORD Index;
 601
 602     for(Index = 0; Index < MixerWindow->WindowCount; Index++)
 603     {
 604         /* destroys the window */
 605         DestroyWindow(MixerWindow->Window[Index]);
 606     }
 607
 608     /* free memory */
 609     HeapFree(GetProcessHeap(), 0, MixerWindow->Window);
 610
 611     /* set to null */
 612     MixerWindow->Window = NULL;
 613     MixerWindow->WindowCount = 0;
 614 }
 615
 616 static BOOL
 617 RebuildMixerWindowControls(PPREFERENCES_CONTEXT PrefContext)
 618 {
 619     /* delete existing mixer controls */
 620     DeleteMixerWindowControls(PrefContext->MixerWindow);
 621
 622     /* load new mixer controls */
 623     LoadDialogCtrls(PrefContext);
 624
 625     return TRUE;
 626 }
 627
 628 static
 629 BOOL
 630 CALLBACK
 631 SetVolumeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Ctx)
 632 {
 633     UINT ControlCount = 0, Index;
 634     LPMIXERCONTROL Control = NULL;
 635     PMIXERCONTROLDETAILS_UNSIGNED puDetails = NULL;
 636     MIXERCONTROLDETAILS_BOOLEAN bDetails;
 637     PSET_VOLUME_CONTEXT Context = (PSET_VOLUME_CONTEXT)Ctx;
 638
 639     /* check if the line name is equal */
 640     if (wcsicmp(Line->szName, Context->LineName))
 641     {
 642         /* it is not */
 643         return TRUE;
 644     }
 645
 646     /* query controls */
 647     if (SndMixerQueryControls(Mixer, &ControlCount, Line, &Control) == FALSE)
 648     {
 649         /* failed to query for controls */
 650         return FALSE;
 651     }
 652
 653     puDetails = HeapAlloc(GetProcessHeap(), 0, Line->cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED));
 654     if (puDetails == NULL)
 655         return FALSE;
 656
 657     /* now go through all controls and compare control ids */
 658     for (Index = 0; Index < ControlCount; Index++)
 659     {
 660         if (Context->bVertical)
 661         {
 662             if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_FADER)
 663             {
 664                 DWORD LineOffset, volumePosition, balancePosition;
 665                 DWORD volumeStep, balanceStep;
 666
 667                 LineOffset = Context->SliderPos;
 668
 669                 volumePosition = (DWORD)SendDlgItemMessage(Preferences.MixerWindow->hWnd, LineOffset * IDC_LINE_SLIDER_VERT, TBM_GETPOS, 0, 0);
 670                 volumeStep = (Control[Index].Bounds.dwMaximum - Control[Index].Bounds.dwMinimum) / (VOLUME_MAX - VOLUME_MIN);
 671
 672                 if (Line->cChannels == 1)
 673                 {
 674                     /* set up details */
 675                     puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 676                 }
 677                 else if (Line->cChannels == 2)
 678                 {
 679                     balancePosition = (DWORD)SendDlgItemMessage(Preferences.MixerWindow->hWnd, LineOffset * IDC_LINE_SLIDER_HORZ, TBM_GETPOS, 0, 0);
 680                     if (balancePosition == BALANCE_CENTER)
 681                     {
 682                         puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 683                         puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 684                     }
 685                     else if (balancePosition == BALANCE_LEFT)
 686                     {
 687                         puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 688                         puDetails[1].dwValue = Control[Index].Bounds.dwMinimum;
 689                     }
 690                     else if (balancePosition == BALANCE_RIGHT)
 691                     {
 692                         puDetails[0].dwValue = Control[Index].Bounds.dwMinimum;
 693                         puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 694                     }
 695                     else if (balancePosition < BALANCE_CENTER) // Left
 696                     {
 697                         puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 698
 699                         balanceStep = (puDetails[0].dwValue - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
 700
 701                         puDetails[1].dwValue = (balancePosition * balanceStep) + Control[Index].Bounds.dwMinimum;
 702                     }
 703                     else if (balancePosition > BALANCE_CENTER) // Right
 704                     {
 705                         puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 706
 707                         balanceStep = (puDetails[1].dwValue - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
 708
 709                         puDetails[0].dwValue = ((BALANCE_RIGHT - balancePosition) * balanceStep) + Control[Index].Bounds.dwMinimum;
 710                     }
 711                 }
 712                 else
 713                 {
 714                     SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)puDetails);
 715
 716                     /* FIXME */
 717                 }
 718
 719                 /* set volume */
 720                 SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)puDetails);
 721
 722                 /* done */
 723                 break;
 724             }
 725         }
 726         else if (Context->bSwitch)
 727         {
 728             if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_SWITCH)
 729             {
 730                 /* set up details */
 731                 bDetails.fValue = Context->SliderPos;
 732
 733                 /* set volume */
 734                 SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, 1, sizeof(MIXERCONTROLDETAILS_BOOLEAN), (LPVOID)&bDetails);
 735
 736                 /* done */
 737                 break;
 738             }
 739         }
 740     }
 741
 742     if (puDetails != NULL)
 743         HeapFree(GetProcessHeap(), 0, puDetails);
 744
 745     /* free controls */
 746     HeapFree(GetProcessHeap(), 0, Control);
 747
 748
 749     /* done */
 750     return TRUE;
 751 }
 752
 753 static
 754 BOOL
 755 CALLBACK
 756 MixerControlChangeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Context)
 757 {
 758     PMIXERCONTROLDETAILS_UNSIGNED pVolumeDetails = NULL;
 759     UINT ControlCount = 0, Index;
 760     LPMIXERCONTROL Control = NULL;
 761
 762     /* check if the line has controls */
 763     if (Line->cControls == 0)
 764     {
 765         /* no controls */
 766         return TRUE;
 767     }
 768
 769     /* query controls */
 770     if (SndMixerQueryControls(Mixer, &ControlCount, Line, &Control) == FALSE)
 771     {
 772         /* failed to query for controls */
 773         return FALSE;
 774     }
 775
 776     pVolumeDetails = HeapAlloc(GetProcessHeap(),
 777                                0,
 778                                Line->cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED));
 779     if (pVolumeDetails == NULL)
 780         goto done;
 781
 782     /* now go through all controls and compare control ids */
 783     for (Index = 0; Index < ControlCount; Index++)
 784     {
 785         if (Control[Index].dwControlID == PtrToUlong(Context))
 786         {
 787             if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_SWITCH)
 788             {
 789                 MIXERCONTROLDETAILS_BOOLEAN Details;
 790
 791                 /* get volume control details */
 792                 if (SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, 1, sizeof(MIXERCONTROLDETAILS_BOOLEAN), (LPVOID)&Details) != -1)
 793                 {
 794                     /* update dialog control */
 795                     UpdateDialogLineSwitchControl(&Preferences, Line, Details.fValue);
 796                 }
 797             }
 798             else if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_FADER)
 799             {
 800                 /* get volume control details */
 801                 if (SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)pVolumeDetails) != -1)
 802                 {
 803                     /* update dialog control */
 804                     DWORD volumePosition, volumeStep, maxVolume, i;
 805                     DWORD balancePosition, balanceStep;
 806
 807                     volumeStep = (Control[Index].Bounds.dwMaximum - Control[Index].Bounds.dwMinimum) / (VOLUME_MAX - VOLUME_MIN);
 808
 809                     maxVolume = 0;
 810                     for (i = 0; i < Line->cChannels; i++)
 811                     {
 812                         if (pVolumeDetails[i].dwValue > maxVolume)
 813                             maxVolume = pVolumeDetails[i].dwValue;
 814                     }
 815
 816                     volumePosition = (maxVolume - Control[Index].Bounds.dwMinimum) / volumeStep;
 817
 818                     if (Line->cChannels == 1)
 819                     {
 820                         balancePosition = BALANCE_CENTER;
 821                     }
 822                     else if (Line->cChannels == 2)
 823                     {
 824                         if (pVolumeDetails[0].dwValue == pVolumeDetails[1].dwValue)
 825                         {
 826                             balancePosition = BALANCE_CENTER;
 827                         }
 828                         else if (pVolumeDetails[0].dwValue == Control[Index].Bounds.dwMinimum)
 829                         {
 830                             balancePosition = BALANCE_RIGHT;
 831                         }
 832                         else if (pVolumeDetails[1].dwValue == Control[Index].Bounds.dwMinimum)
 833                         {
 834                             balancePosition = BALANCE_LEFT;
 835                         }
 836                         else
 837                         {
 838                             balanceStep = (maxVolume - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
 839
 840                             if (pVolumeDetails[0].dwValue < pVolumeDetails[1].dwValue)
 841                             {
 842                                 balancePosition = (pVolumeDetails[0].dwValue - Control[Index].Bounds.dwMinimum) / balanceStep;
 843                                 balancePosition = BALANCE_RIGHT - balancePosition;
 844                             }
 845                             else if (pVolumeDetails[1].dwValue < pVolumeDetails[0].dwValue)
 846                             {
 847                                 balancePosition = (pVolumeDetails[1].dwValue - Control[Index].Bounds.dwMinimum) / balanceStep;
 848                                 balancePosition = BALANCE_LEFT + balancePosition;
 849                             }
 850                         }
 851                     }
 852
 853                     /* Update the volume control slider */
 854                     UpdateDialogLineSliderControl(&Preferences, Line, IDC_LINE_SLIDER_VERT, VOLUME_MAX - volumePosition);
 855
 856                     /* Update the balance control slider */
 857                     UpdateDialogLineSliderControl(&Preferences, Line, IDC_LINE_SLIDER_HORZ, balancePosition);
 858                 }
 859             }
 860             break;
 861         }
 862     }
 863
 864 done:
 865     /* Free the volume details */
 866     if (pVolumeDetails)
 867         HeapFree(GetProcessHeap(), 0, pVolumeDetails);
 868
 869     /* free controls */
 870     HeapFree(GetProcessHeap(), 0, Control);
 871
 872     /* done */
 873     return TRUE;
 874 }
 875
 876
 877 static LRESULT CALLBACK
 878 MainWindowProc(HWND hwnd,
 879                UINT uMsg,
 880                WPARAM wParam,
 881                LPARAM lParam)
 882 {
 883     PMIXER_WINDOW MixerWindow;
 884     DWORD CtrlID, LineOffset;
 885     LRESULT Result = 0;
 886     SET_VOLUME_CONTEXT Context;
 887
 888     switch (uMsg)
 889     {
 890         case WM_COMMAND:
 891         {
 892             MixerWindow = GetWindowData(hwnd,
 893                                         MIXER_WINDOW);
 894
 895             switch (LOWORD(wParam))
 896             {
 897                 case IDC_PROPERTIES:
 898                 {
 899                     PREFERENCES_CONTEXT Pref;
 900
 901                     Pref.MixerWindow = MixerWindow;
 902                     Pref.Mixer = NULL;
 903                     Pref.SelectedLine = Preferences.SelectedLine;
 904
 905                     if (DialogBoxParam(hAppInstance,
 906                                        MAKEINTRESOURCE(IDD_PREFERENCES),
 907                                        hwnd,
 908                                        DlgPreferencesProc,
 909                                        (LPARAM)&Pref) == IDOK)
 910                     {
 911                         /* update window */
 912                         TCHAR szProduct[MAXPNAMELEN];
 913
 914                         /* get mixer product name */
 915                         if (SndMixerGetProductName(Pref.Mixer,
 916                                                    szProduct,
 917                                                    sizeof(szProduct) / sizeof(szProduct[0])) == -1)
 918                         {
 919                             /* failed to get name */
 920                             szProduct[0] = L'\0';
 921                         }
 922                         else
 923                         {
 924                             /* copy product */
 925                             wcscpy(Preferences.DeviceName, szProduct);
 926                         }
 927
 928                         /* destroy old status bar */
 929                         if (MixerWindow->Mode == NORMAL_MODE)
 930                             DestroyWindow(MixerWindow->hStatusBar);
 931
 932                         /* update details */
 933                         Preferences.SelectedLine = Pref.SelectedLine;
 934
 935                         /* destroy old mixer */
 936                         SndMixerDestroy(Preferences.MixerWindow->Mixer);
 937
 938                         /* use new selected mixer */
 939                         Preferences.MixerWindow->Mixer = Pref.Mixer;
 940
 941                         /* rebuild dialog controls */
 942                         RebuildMixerWindowControls(&Preferences);
 943
 944                         /* create status window */
 945                         if (MixerWindow->Mode == NORMAL_MODE)
 946                         {
 947                             MixerWindow->hStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS,
 948                                                                          NULL,
 949                                                                          hwnd,
 950                                                                          0);
 951                             if (MixerWindow->hStatusBar)
 952                             {
 953                                 /* Set status bar */
 954                                 SendMessage(MixerWindow->hStatusBar,
 955                                     WM_SETTEXT,
 956                                     0,
 957                                     (LPARAM)szProduct);
 958                             }
 959                         }
 960                     }
 961                     break;
 962                 }
 963
 964                 case IDC_EXIT:
 965                 {
 966                     PostQuitMessage(0);
 967                     break;
 968                 }
 969
 970                 case IDC_ABOUT:
 971                 {
 972                     HICON hAppIcon = (HICON)GetClassLongPtrW(hwnd,
 973                                                              GCLP_HICON);
 974                     ShellAbout(hwnd,
 975                                lpAppTitle,
 976                                NULL,
 977                                hAppIcon);
 978                     break;
 979                 }
 980
 981                 default:
 982                 {
 983                     /* get button id */
 984                     CtrlID = LOWORD(wParam);
 985
 986                     /* check if the message is from the line switch */
 987                     if (HIWORD(wParam) == BN_CLICKED && (CtrlID % IDC_LINE_SWITCH == 0))
 988                     {
 989                         /* compute line offset */
 990                         LineOffset = CtrlID / IDC_LINE_SWITCH;
 991
 992                         /* compute window id of line name static control */
 993                         CtrlID = LineOffset * IDC_LINE_NAME;
 994
 995                         /* get line name */
 996                         if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
 997                         {
 998                             /* setup context */
 999                             Context.SliderPos = SendMessage((HWND)lParam, BM_GETCHECK, 0, 0);
1000                             Context.bVertical = FALSE;
1001                             Context.bSwitch = TRUE;
1002
1003                             /* set volume */
1004                             SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
1005                         }
1006                     }
1007                 }
1008
1009             }
1010             break;
1011         }
1012
1013         case MM_MIXM_LINE_CHANGE:
1014         {
1015             DPRINT("MM_MIXM_LINE_CHANGE\n");
1016             break;
1017         }
1018
1019         case MM_MIXM_CONTROL_CHANGE:
1020         {
1021             DPRINT("MM_MIXM_CONTROL_CHANGE\n");
1022
1023             /* get mixer window */
1024             MixerWindow = GetWindowData(hwnd,
1025                                         MIXER_WINDOW);
1026
1027             /* sanity checks */
1028             assert(MixerWindow);
1029             assert(MixerWindow->Mixer->hmx == (HMIXER)wParam);
1030
1031             SndMixerEnumConnections(MixerWindow->Mixer, Preferences.SelectedLine, MixerControlChangeCallback, (PVOID)lParam);
1032             break;
1033         }
1034
1035         case WM_VSCROLL:
1036             switch (LOWORD(wParam))
1037             {
1038                 case TB_THUMBTRACK:
1039                     /* get dialog item ctrl */
1040                     CtrlID = GetDlgCtrlID((HWND)lParam);
1041
1042                     /* get line index */
1043                     LineOffset = CtrlID / IDC_LINE_SLIDER_VERT;
1044
1045                     /* compute window id of line name static control */
1046                     CtrlID = LineOffset * IDC_LINE_NAME;
1047
1048                     /* get line name */
1049                     if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
1050                     {
1051                         /* setup context */
1052                         Context.SliderPos = LineOffset;
1053                         Context.bVertical = TRUE;
1054                         Context.bSwitch = FALSE;
1055
1056                         /* set volume */
1057                         SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
1058                     }
1059                     break;
1060
1061                 case TB_ENDTRACK:
1062                     MixerWindow = GetWindowData(hwnd,
1063                                                 MIXER_WINDOW);
1064
1065                     /* get dialog item ctrl */
1066                     CtrlID = GetDlgCtrlID((HWND)lParam);
1067
1068                     /* get line index */
1069                     LineOffset = CtrlID / IDC_LINE_SLIDER_VERT;
1070
1071                     if (LineOffset == 1 && MixerWindow->Mixer->MixerId == 0)
1072                         PlaySound((LPCTSTR)SND_ALIAS_SYSTEMDEFAULT, NULL, SND_ASYNC | SND_ALIAS_ID);
1073                     break;
1074
1075                 default:
1076                     break;
1077             }
1078             break;
1079
1080         case WM_HSCROLL:
1081             switch (LOWORD(wParam))
1082             {
1083                 case TB_THUMBTRACK:
1084                     /* get dialog item ctrl */
1085                     CtrlID = GetDlgCtrlID((HWND)lParam);
1086
1087                     /* get line index */
1088                     LineOffset = CtrlID / IDC_LINE_SLIDER_HORZ;
1089
1090                     /* compute window id of line name static control */
1091                     CtrlID = LineOffset * IDC_LINE_NAME;
1092
1093                     /* get line name */
1094                     if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
1095                     {
1096                         /* setup context */
1097                         Context.SliderPos = LineOffset;
1098                         Context.bVertical = TRUE;
1099                         Context.bSwitch = FALSE;
1100
1101                         /* set volume */
1102                         SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
1103                     }
1104                     break;
1105
1106                 case TB_ENDTRACK:
1107                     MixerWindow = GetWindowData(hwnd,
1108                                                 MIXER_WINDOW);
1109
1110                     /* get dialog item ctrl */
1111                     CtrlID = GetDlgCtrlID((HWND)lParam);
1112
1113                     /* get line index */
1114                     LineOffset = CtrlID / IDC_LINE_SLIDER_HORZ;
1115
1116                     if (LineOffset == 1 && MixerWindow->Mixer->MixerId == 0)
1117                         PlaySound((LPCTSTR)SND_ALIAS_SYSTEMDEFAULT, NULL, SND_ASYNC | SND_ALIAS_ID);
1118                     break;
1119
1120                 default:
1121                     break;
1122             }
1123             break;
1124
1125
1126         case WM_CREATE:
1127         {
1128             MixerWindow = ((LPCREATESTRUCT)lParam)->lpCreateParams;
1129             SetWindowLongPtr(hwnd,
1130                              GWL_USERDATA,
1131                              (LONG_PTR)MixerWindow);
1132             MixerWindow->hWnd = hwnd;
1133             MixerWindow->Mixer = SndMixerCreate(MixerWindow->hWnd, MixerWindow->MixerId);
1134             if (MixerWindow->Mixer != NULL)
1135             {
1136                 TCHAR szProduct[MAXPNAMELEN];
1137
1138                 /* get mixer product name */
1139                 if (SndMixerGetProductName(MixerWindow->Mixer,
1140                                            szProduct,
1141                                            sizeof(szProduct) / sizeof(szProduct[0])) == -1)
1142                 {
1143                     /* failed to get name */
1144                     szProduct[0] = L'\0';
1145                 }
1146
1147
1148                 /* initialize preferences */
1149                 ZeroMemory(&Preferences, sizeof(Preferences));
1150
1151                 /* store mixer */
1152                 Preferences.Mixer = MixerWindow->Mixer;
1153
1154                 /* store mixer window */
1155                 Preferences.MixerWindow = MixerWindow;
1156
1157                 /* first destination line id */
1158                 Preferences.SelectedLine = 0xFFFF0000;
1159
1160                 /* copy product */
1161                 wcscpy(Preferences.DeviceName, szProduct);
1162
1163                 if (!RebuildMixerWindowControls(&Preferences))
1164                 {
1165                     DPRINT("Rebuilding mixer window controls failed!\n");
1166                     SndMixerDestroy(MixerWindow->Mixer);
1167                     MixerWindow->Mixer = NULL;
1168                     Result = -1;
1169                 }
1170
1171                 /* create status window */
1172                 if (MixerWindow->Mode == NORMAL_MODE)
1173                 {
1174                     MixerWindow->hStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS,
1175                                                                  NULL,
1176                                                                  hwnd,
1177                                                                  0);
1178                     if (MixerWindow->hStatusBar)
1179                     {
1180                         SendMessage(MixerWindow->hStatusBar,
1181                                     WM_SETTEXT,
1182                                     0,
1183                                    (LPARAM)szProduct);
1184                     }
1185                 }
1186
1187                 /* Disable the 'Advanced Controls' menu item */
1188                 EnableMenuItem(GetMenu(hwnd), IDC_ADVANCED_CONTROLS, MF_BYCOMMAND | MF_GRAYED);
1189             }
1190             break;
1191         }
1192
1193         case WM_DESTROY:
1194         {
1195             MixerWindow = GetWindowData(hwnd,
1196                                         MIXER_WINDOW);
1197             if (MixerWindow != NULL)
1198             {
1199                 if (MixerWindow->Mixer != NULL)
1200                 {
1201                     SndMixerDestroy(MixerWindow->Mixer);
1202                 }
1203                 if (MixerWindow->hFont)
1204                     DeleteObject(MixerWindow->hFont);
1205                 HeapFree(hAppHeap, 0, MixerWindow);
1206             }
1207             break;
1208         }
1209
1210         case WM_CLOSE:
1211         {
1212             PostQuitMessage(0);
1213             break;
1214         }
1215
1216         default:
1217         {
1218             Result = DefWindowProc(hwnd,
1219                                    uMsg,
1220                                    wParam,
1221                                    lParam);
1222             break;
1223         }
1224     }
1225
1226     return Result;
1227 }
1228
1229 static BOOL
1230 RegisterApplicationClasses(VOID)
1231 {
1232     WNDCLASSEX wc;
1233
1234     wc.cbSize = sizeof(WNDCLASSEX);
1235     wc.style = CS_HREDRAW | CS_VREDRAW;
1236     wc.lpfnWndProc = MainWindowProc;
1237     wc.cbClsExtra = 0;
1238     wc.cbWndExtra = sizeof(PMIXER_WINDOW);
1239     wc.hInstance = hAppInstance;
1240     wc.hIcon = LoadIcon(hAppInstance,
1241                         MAKEINTRESOURCE(IDI_MAINAPP));
1242     wc.hCursor = LoadCursor(NULL,
1243                             IDC_ARROW);
1244     wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1245     wc.lpszMenuName = NULL;
1246     wc.lpszClassName = SZ_APP_CLASS;
1247     wc.hIconSm = NULL;
1248     MainWindowClass = RegisterClassEx(&wc);
1249
1250     return MainWindowClass != 0;
1251 }
1252
1253 static VOID
1254 UnregisterApplicationClasses(VOID)
1255 {
1256     UnregisterClass(SZ_APP_CLASS,
1257                     hAppInstance);
1258 }
1259
1260 static HWND
1261 CreateApplicationWindow(
1262     WINDOW_MODE WindowMode,
1263     UINT MixerId)
1264 {
1265     HWND hWnd;
1266
1267     PMIXER_WINDOW MixerWindow = HeapAlloc(hAppHeap,
1268                                           HEAP_ZERO_MEMORY,
1269                                           sizeof(MIXER_WINDOW));
1270     if (MixerWindow == NULL)
1271     {
1272         return NULL;
1273     }
1274
1275     MixerWindow->Mode = WindowMode;
1276     MixerWindow->MixerId = MixerId;
1277
1278     if (mixerGetNumDevs() > 0)
1279     {
1280         hWnd = CreateWindowEx(WS_EX_WINDOWEDGE | WS_EX_CONTROLPARENT,
1281                               SZ_APP_CLASS,
1282                               lpAppTitle,
1283                               WS_DLGFRAME | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE,
1284                               0, 0, 300, 315,
1285                               NULL,
1286                               LoadMenu(hAppInstance,
1287                                        MAKEINTRESOURCE(IDM_MAINMENU)),
1288                               hAppInstance,
1289                               MixerWindow);
1290     }
1291     else
1292     {
1293         LPTSTR lpErrMessage;
1294
1295         /*
1296          * no mixer devices are available!
1297          */
1298
1299         hWnd = NULL;
1300         if (AllocAndLoadString(&lpErrMessage,
1301                                hAppInstance,
1302                                IDS_NOMIXERDEVICES))
1303         {
1304             MessageBox(NULL,
1305                        lpErrMessage,
1306                        lpAppTitle,
1307                        MB_ICONINFORMATION);
1308             LocalFree(lpErrMessage);
1309         }
1310     }
1311
1312     if (hWnd == NULL)
1313     {
1314         HeapFree(hAppHeap,
1315                  0,
1316                  MixerWindow);
1317     }
1318
1319     return hWnd;
1320 }
1321
1322 static
1323 BOOL
1324 HandleCommandLine(LPTSTR cmdline,
1325                   PWINDOW_MODE pMode,
1326                   PUINT pMixerId)
1327 {
1328     TCHAR option;
1329
1330     *pMixerId = 0;
1331     *pMode = SMALL_MODE;
1332
1333     while (*cmdline == _T(' ') || *cmdline == _T('-') || *cmdline == _T('/'))
1334     {
1335         if (*cmdline++ == _T(' '))
1336             continue;
1337
1338         option = *cmdline;
1339         if (option)
1340             cmdline++;
1341         while (*cmdline == _T(' '))
1342             cmdline++;
1343
1344         switch (option)
1345         {
1346             case 'd': /* Device */
1347             case 'D':
1348                 break;
1349
1350             case 'n': /* Normal size */
1351             case 'N':
1352                 *pMode = NORMAL_MODE;
1353                 break;
1354
1355             case 's': /* Small size */
1356             case 'S':
1357                 *pMode = SMALL_MODE;
1358                 break;
1359
1360             case 't': /* Tray size */
1361             case 'T':
1362                 *pMode = TRAY_MODE;
1363                 break;
1364
1365             case 'p': /* Play mode */
1366             case 'P':
1367                 *pMixerId = 0;
1368                 break;
1369
1370             case 'r': /* Record mode */
1371             case 'R':
1372                 *pMixerId = 1;
1373                 break;
1374
1375             default:
1376                 return FALSE;
1377         }
1378     }
1379
1380     return TRUE;
1381 }
1382
1383 int WINAPI
1384 _tWinMain(HINSTANCE hInstance,
1385           HINSTANCE hPrevInstance,
1386           LPTSTR lpszCmdLine,
1387           int nCmdShow)
1388 {
1389     MSG Msg;
1390     int Ret = 1;
1391     INITCOMMONCONTROLSEX Controls;
1392     WINDOW_MODE WindowMode = SMALL_MODE;
1393     UINT MixerId = 0;
1394
1395     UNREFERENCED_PARAMETER(hPrevInstance);
1396     UNREFERENCED_PARAMETER(nCmdShow);
1397
1398     hAppInstance = hInstance;
1399     hAppHeap = GetProcessHeap();
1400
1401     HandleCommandLine(lpszCmdLine, &WindowMode, &MixerId);
1402
1403     if (InitAppConfig())
1404     {
1405         /* load the application title */
1406         if (!AllocAndLoadString(&lpAppTitle,
1407                                 hAppInstance,
1408                                 IDS_SNDVOL32))
1409         {
1410             lpAppTitle = NULL;
1411         }
1412
1413         Controls.dwSize = sizeof(INITCOMMONCONTROLSEX);
1414         Controls.dwICC = ICC_BAR_CLASSES | ICC_STANDARD_CLASSES;
1415
1416         InitCommonControlsEx(&Controls);
1417
1418         if (WindowMode == TRAY_MODE)
1419         {
1420             DialogBoxParam(hAppInstance,
1421                            MAKEINTRESOURCE(IDD_TRAY_MASTER),
1422                            NULL,
1423                            TrayDlgProc,
1424                            0);
1425         }
1426         else
1427         {
1428             if (RegisterApplicationClasses())
1429             {
1430                 hMainWnd = CreateApplicationWindow(WindowMode, MixerId);
1431                 if (hMainWnd != NULL)
1432                 {
1433                     BOOL bRet;
1434                     while ((bRet =GetMessage(&Msg,
1435                                              NULL,
1436                                              0,
1437                                              0)) != 0)
1438                     {
1439                         if (bRet != -1)
1440                         {
1441                             TranslateMessage(&Msg);
1442                             DispatchMessage(&Msg);
1443                         }
1444                     }
1445
1446                     DestroyWindow(hMainWnd);
1447                     Ret = 0;
1448                 }
1449                 else
1450                 {
1451                     DPRINT("Failed to create application window (LastError: %d)!\n", GetLastError());
1452                 }
1453
1454                 UnregisterApplicationClasses();
1455             }
1456             else
1457             {
1458                 DPRINT("Failed to register application classes (LastError: %d)!\n", GetLastError());
1459             }
1460         }
1461
1462         if (lpAppTitle != NULL)
1463         {
1464             LocalFree(lpAppTitle);
1465         }
1466
1467         CloseAppConfig();
1468     }
1469     else
1470     {
1471         DPRINT("Unable to open the Volume Control registry key!\n");
1472     }
1473
1474     return Ret;
1475 }