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 static VOID
 597 DeleteMixerWindowControls(PMIXER_WINDOW MixerWindow)
 598 {
 599     DWORD Index;
 600
 601     for(Index = 0; Index < MixerWindow->WindowCount; Index++)
 602     {
 603         /* destroys the window */
 604         DestroyWindow(MixerWindow->Window[Index]);
 605     }
 606
 607     /* free memory */
 608     HeapFree(GetProcessHeap(), 0, MixerWindow->Window);
 609
 610     /* set to null */
 611     MixerWindow->Window = NULL;
 612     MixerWindow->WindowCount = 0;
 613 }
 614
 615 static BOOL
 616 RebuildMixerWindowControls(PPREFERENCES_CONTEXT PrefContext)
 617 {
 618     /* delete existing mixer controls */
 619     DeleteMixerWindowControls(PrefContext->MixerWindow);
 620
 621     /* load new mixer controls */
 622     LoadDialogCtrls(PrefContext);
 623
 624     return TRUE;
 625 }
 626
 627 static
 628 BOOL
 629 CALLBACK
 630 SetVolumeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Ctx)
 631 {
 632     UINT ControlCount = 0, Index;
 633     LPMIXERCONTROL Control = NULL;
 634     PMIXERCONTROLDETAILS_UNSIGNED puDetails = NULL;
 635     MIXERCONTROLDETAILS_BOOLEAN bDetails;
 636     PSET_VOLUME_CONTEXT Context = (PSET_VOLUME_CONTEXT)Ctx;
 637
 638     /* check if the line name is equal */
 639     if (wcsicmp(Line->szName, Context->LineName))
 640     {
 641         /* it is not */
 642         return TRUE;
 643     }
 644
 645     /* query controls */
 646     if (SndMixerQueryControls(Mixer, &ControlCount, Line, &Control) == FALSE)
 647     {
 648         /* failed to query for controls */
 649         return FALSE;
 650     }
 651
 652     puDetails = HeapAlloc(GetProcessHeap(), 0, Line->cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED));
 653     if (puDetails == NULL)
 654         return FALSE;
 655
 656     /* now go through all controls and compare control ids */
 657     for (Index = 0; Index < ControlCount; Index++)
 658     {
 659         if (Context->bVertical)
 660         {
 661             if (Control[Index].dwControlType == MIXERCONTROL_CONTROLTYPE_VOLUME)
 662             {
 663                 DWORD LineOffset, volumePosition, balancePosition;
 664                 DWORD volumeStep, balanceStep;
 665
 666                 LineOffset = Context->SliderPos;
 667
 668                 volumePosition = (DWORD)SendDlgItemMessage(Preferences.MixerWindow->hWnd, LineOffset * IDC_LINE_SLIDER_VERT, TBM_GETPOS, 0, 0);
 669                 volumeStep = (Control[Index].Bounds.dwMaximum - Control[Index].Bounds.dwMinimum) / (VOLUME_MAX - VOLUME_MIN);
 670
 671                 if (Line->cChannels == 1)
 672                 {
 673                     /* set up details */
 674                     puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 675                 }
 676                 else if (Line->cChannels == 2)
 677                 {
 678                     balancePosition = (DWORD)SendDlgItemMessage(Preferences.MixerWindow->hWnd, LineOffset * IDC_LINE_SLIDER_HORZ, TBM_GETPOS, 0, 0);
 679                     if (balancePosition == BALANCE_CENTER)
 680                     {
 681                         puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 682                         puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 683                     }
 684                     else if (balancePosition == BALANCE_LEFT)
 685                     {
 686                         puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 687                         puDetails[1].dwValue = Control[Index].Bounds.dwMinimum;
 688                     }
 689                     else if (balancePosition == BALANCE_RIGHT)
 690                     {
 691                         puDetails[0].dwValue = Control[Index].Bounds.dwMinimum;
 692                         puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 693                     }
 694                     else if (balancePosition < BALANCE_CENTER) // Left
 695                     {
 696                         puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 697
 698                         balanceStep = (puDetails[0].dwValue - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
 699
 700                         puDetails[1].dwValue = (balancePosition * balanceStep) + Control[Index].Bounds.dwMinimum;
 701                     }
 702                     else if (balancePosition > BALANCE_CENTER) // Right
 703                     {
 704                         puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
 705
 706                         balanceStep = (puDetails[1].dwValue - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
 707
 708                         puDetails[0].dwValue = ((BALANCE_RIGHT - balancePosition) * balanceStep) + Control[Index].Bounds.dwMinimum;
 709                     }
 710                 }
 711                 else
 712                 {
 713                     SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)puDetails);
 714
 715                     /* FIXME */
 716                 }
 717
 718                 /* set volume */
 719                 SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)puDetails);
 720
 721                 /* done */
 722                 break;
 723             }
 724         }
 725         else if (Context->bSwitch)
 726         {
 727             if (Control[Index].dwControlType == MIXERCONTROL_CONTROLTYPE_MUTE)
 728             {
 729                 /* set up details */
 730                 bDetails.fValue = Context->SliderPos;
 731
 732                 /* set volume */
 733                 SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, 1, sizeof(MIXERCONTROLDETAILS_BOOLEAN), (LPVOID)&bDetails);
 734
 735                 /* done */
 736                 break;
 737             }
 738         }
 739     }
 740
 741     if (puDetails != NULL)
 742         HeapFree(GetProcessHeap(), 0, puDetails);
 743
 744     /* free controls */
 745     HeapFree(GetProcessHeap(), 0, Control);
 746
 747
 748     /* done */
 749     return TRUE;
 750 }
 751
 752 static
 753 BOOL
 754 CALLBACK
 755 MixerControlChangeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Context)
 756 {
 757     PMIXERCONTROLDETAILS_UNSIGNED pVolumeDetails = NULL;
 758     UINT ControlCount = 0, Index;
 759     LPMIXERCONTROL Control = NULL;
 760
 761     /* check if the line has controls */
 762     if (Line->cControls == 0)
 763     {
 764         /* no controls */
 765         return TRUE;
 766     }
 767
 768     /* query controls */
 769     if (SndMixerQueryControls(Mixer, &ControlCount, Line, &Control) == FALSE)
 770     {
 771         /* failed to query for controls */
 772         return FALSE;
 773     }
 774
 775     pVolumeDetails = HeapAlloc(GetProcessHeap(),
 776                                0,
 777                                Line->cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED));
 778     if (pVolumeDetails == NULL)
 779         goto done;
 780
 781     /* now go through all controls and compare control ids */
 782     for (Index = 0; Index < ControlCount; Index++)
 783     {
 784         if (Control[Index].dwControlID == PtrToUlong(Context))
 785         {
 786             if (Control[Index].dwControlType == MIXERCONTROL_CONTROLTYPE_MUTE)
 787             {
 788                 MIXERCONTROLDETAILS_BOOLEAN Details;
 789
 790                 /* get volume control details */
 791                 if (SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, 1, sizeof(MIXERCONTROLDETAILS_BOOLEAN), (LPVOID)&Details) != -1)
 792                 {
 793                     /* update dialog control */
 794                     UpdateDialogLineSwitchControl(&Preferences, Line, Details.fValue);
 795                 }
 796             }
 797             else if (Control[Index].dwControlType == MIXERCONTROL_CONTROLTYPE_VOLUME)
 798             {
 799                 /* get volume control details */
 800                 if (SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)pVolumeDetails) != -1)
 801                 {
 802                     /* update dialog control */
 803                     DWORD volumePosition, volumeStep, maxVolume, i;
 804                     DWORD balancePosition, balanceStep;
 805
 806                     volumeStep = (Control[Index].Bounds.dwMaximum - Control[Index].Bounds.dwMinimum) / (VOLUME_MAX - VOLUME_MIN);
 807
 808                     maxVolume = 0;
 809                     for (i = 0; i < Line->cChannels; i++)
 810                     {
 811                         if (pVolumeDetails[i].dwValue > maxVolume)
 812                             maxVolume = pVolumeDetails[i].dwValue;
 813                     }
 814
 815                     volumePosition = (maxVolume - Control[Index].Bounds.dwMinimum) / volumeStep;
 816
 817                     if (Line->cChannels == 1)
 818                     {
 819                         balancePosition = BALANCE_CENTER;
 820                     }
 821                     else if (Line->cChannels == 2)
 822                     {
 823                         if (pVolumeDetails[0].dwValue == pVolumeDetails[1].dwValue)
 824                         {
 825                             balancePosition = BALANCE_CENTER;
 826                         }
 827                         else if (pVolumeDetails[0].dwValue == Control[Index].Bounds.dwMinimum)
 828                         {
 829                             balancePosition = BALANCE_RIGHT;
 830                         }
 831                         else if (pVolumeDetails[1].dwValue == Control[Index].Bounds.dwMinimum)
 832                         {
 833                             balancePosition = BALANCE_LEFT;
 834                         }
 835                         else
 836                         {
 837                             balanceStep = (maxVolume - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
 838
 839                             if (pVolumeDetails[0].dwValue < pVolumeDetails[1].dwValue)
 840                             {
 841                                 balancePosition = (pVolumeDetails[0].dwValue - Control[Index].Bounds.dwMinimum) / balanceStep;
 842                                 balancePosition = BALANCE_RIGHT - balancePosition;
 843                             }
 844                             else if (pVolumeDetails[1].dwValue < pVolumeDetails[0].dwValue)
 845                             {
 846                                 balancePosition = (pVolumeDetails[1].dwValue - Control[Index].Bounds.dwMinimum) / balanceStep;
 847                                 balancePosition = BALANCE_LEFT + balancePosition;
 848                             }
 849                         }
 850                     }
 851
 852                     /* Update the volume control slider */
 853                     UpdateDialogLineSliderControl(&Preferences, Line, IDC_LINE_SLIDER_VERT, VOLUME_MAX - volumePosition);
 854
 855                     /* Update the balance control slider */
 856                     UpdateDialogLineSliderControl(&Preferences, Line, IDC_LINE_SLIDER_HORZ, balancePosition);
 857                 }
 858             }
 859             break;
 860         }
 861     }
 862
 863 done:
 864     /* Free the volume details */
 865     if (pVolumeDetails)
 866         HeapFree(GetProcessHeap(), 0, pVolumeDetails);
 867
 868     /* free controls */
 869     HeapFree(GetProcessHeap(), 0, Control);
 870
 871     /* done */
 872     return TRUE;
 873 }
 874
 875 static LRESULT CALLBACK
 876 MainWindowProc(HWND hwnd,
 877                UINT uMsg,
 878                WPARAM wParam,
 879                LPARAM lParam)
 880 {
 881     PMIXER_WINDOW MixerWindow;
 882     DWORD CtrlID, LineOffset;
 883     LRESULT Result = 0;
 884     SET_VOLUME_CONTEXT Context;
 885
 886     switch (uMsg)
 887     {
 888         case WM_COMMAND:
 889         {
 890             MixerWindow = GetWindowData(hwnd,
 891                                         MIXER_WINDOW);
 892
 893             switch (LOWORD(wParam))
 894             {
 895                 case IDM_PROPERTIES:
 896                 {
 897                     PREFERENCES_CONTEXT Pref;
 898
 899                     Pref.MixerWindow = MixerWindow;
 900                     Pref.Mixer = NULL;
 901                     Pref.SelectedLine = Preferences.SelectedLine;
 902
 903                     if (DialogBoxParam(hAppInstance,
 904                                        MAKEINTRESOURCE(IDD_PREFERENCES),
 905                                        hwnd,
 906                                        DlgPreferencesProc,
 907                                        (LPARAM)&Pref) == IDOK)
 908                     {
 909                         /* update window */
 910                         TCHAR szProduct[MAXPNAMELEN];
 911
 912                         /* get mixer product name */
 913                         if (SndMixerGetProductName(Pref.Mixer,
 914                                                    szProduct,
 915                                                    sizeof(szProduct) / sizeof(szProduct[0])) == -1)
 916                         {
 917                             /* failed to get name */
 918                             szProduct[0] = L'\0';
 919                         }
 920                         else
 921                         {
 922                             /* copy product */
 923                             wcscpy(Preferences.DeviceName, szProduct);
 924                         }
 925
 926                         /* destroy old status bar */
 927                         if (MixerWindow->Mode == NORMAL_MODE)
 928                             DestroyWindow(MixerWindow->hStatusBar);
 929
 930                         /* update details */
 931                         Preferences.SelectedLine = Pref.SelectedLine;
 932
 933                         /* destroy old mixer */
 934                         SndMixerDestroy(Preferences.MixerWindow->Mixer);
 935
 936                         /* use new selected mixer */
 937                         Preferences.MixerWindow->Mixer = Pref.Mixer;
 938
 939                         /* create status window */
 940                         if (MixerWindow->Mode == NORMAL_MODE)
 941                         {
 942                             MixerWindow->hStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS,
 943                                                                          NULL,
 944                                                                          hwnd,
 945                                                                          0);
 946                             if (MixerWindow->hStatusBar)
 947                             {
 948                                 /* Set status bar */
 949                                 SendMessage(MixerWindow->hStatusBar,
 950                                     WM_SETTEXT,
 951                                     0,
 952                                     (LPARAM)szProduct);
 953                             }
 954                         }
 955
 956                         /* rebuild dialog controls */
 957                         RebuildMixerWindowControls(&Preferences);
 958                     }
 959                     break;
 960                 }
 961
 962                 case IDM_ADVANCED_CONTROLS:
 963                     MixerWindow->bShowExtendedControls = !MixerWindow->bShowExtendedControls;
 964                     CheckMenuItem(GetMenu(hwnd),
 965                                   IDM_ADVANCED_CONTROLS,
 966                                   MF_BYCOMMAND | (MixerWindow->bShowExtendedControls ? MF_CHECKED : MF_UNCHECKED));
 967                     RebuildMixerWindowControls(&Preferences);
 968                     break;
 969
 970                 case IDM_EXIT:
 971                 {
 972                     PostQuitMessage(0);
 973                     break;
 974                 }
 975
 976                 case IDM_ABOUT:
 977                 {
 978                     HICON hAppIcon = (HICON)GetClassLongPtrW(hwnd,
 979                                                              GCLP_HICON);
 980                     ShellAbout(hwnd,
 981                                lpAppTitle,
 982                                NULL,
 983                                hAppIcon);
 984                     break;
 985                 }
 986
 987                 default:
 988                 {
 989                     /* get button id */
 990                     CtrlID = LOWORD(wParam);
 991
 992                     /* check if the message is from the line switch */
 993                     if (HIWORD(wParam) == BN_CLICKED)
 994                     {
 995                         if (CtrlID % IDC_LINE_SWITCH == 0)
 996                         {
 997                             /* compute line offset */
 998                             LineOffset = CtrlID / IDC_LINE_SWITCH;
 999
1000                             /* compute window id of line name static control */
1001                             CtrlID = LineOffset * IDC_LINE_NAME;
1002
1003                             if (Preferences.MixerWindow->Mixer->MixerId == PLAY_MIXER)
1004                             {
1005                                 /* get line name */
1006                                 if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
1007                                 {
1008                                     /* setup context */
1009                                     Context.SliderPos = SendMessage((HWND)lParam, BM_GETCHECK, 0, 0);
1010                                     Context.bVertical = FALSE;
1011                                     Context.bSwitch = TRUE;
1012
1013                                     /* set volume */
1014                                     SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
1015                                 }
1016                             }
1017                             else if (Preferences.MixerWindow->Mixer->MixerId == RECORD_MIXER)
1018                             {
1019                                 UINT i;
1020
1021                                 for (i = 0; i < Preferences.MixerWindow->DialogCount; i++)
1022                                 {
1023                                     SendDlgItemMessageW(hwnd, (i + 1) * IDC_LINE_SWITCH, BM_SETCHECK, (WPARAM)((i + 1) == LineOffset), 0);
1024                                 }
1025                             }
1026                         }
1027                         else if (CtrlID % IDC_LINE_ADVANCED == 0)
1028                         {
1029                             ADVANCED_CONTEXT AdvancedContext;
1030
1031                             /* compute line offset */
1032                             LineOffset = CtrlID / IDC_LINE_ADVANCED;
1033
1034                             /* compute window id of line name static control */
1035                             CtrlID = LineOffset * IDC_LINE_NAME;
1036
1037                             /* get line name */
1038                             if (GetDlgItemTextW(hwnd, CtrlID, AdvancedContext.LineName, MIXER_LONG_NAME_CHARS) != 0)
1039                             {
1040                                 AdvancedContext.MixerWindow = Preferences.MixerWindow;
1041                                 AdvancedContext.Mixer = Preferences.MixerWindow->Mixer;
1042                                 AdvancedContext.Line = SndMixerGetLineByName(Preferences.MixerWindow->Mixer,
1043                                                                              Preferences.SelectedLine,
1044                                                                              AdvancedContext.LineName);
1045                                 if (AdvancedContext.Line)
1046                                 {
1047                                     DialogBoxParam(hAppInstance,
1048                                                    MAKEINTRESOURCE(IDD_ADVANCED),
1049                                                    hwnd,
1050                                                    AdvancedDlgProc,
1051                                                    (LPARAM)&AdvancedContext);
1052                                 }
1053                             }
1054                         }
1055                     }
1056                 }
1057             }
1058             break;
1059         }
1060
1061         case MM_MIXM_LINE_CHANGE:
1062         {
1063             DPRINT("MM_MIXM_LINE_CHANGE\n");
1064             break;
1065         }
1066
1067         case MM_MIXM_CONTROL_CHANGE:
1068         {
1069             DPRINT("MM_MIXM_CONTROL_CHANGE\n");
1070
1071             /* get mixer window */
1072             MixerWindow = GetWindowData(hwnd,
1073                                         MIXER_WINDOW);
1074
1075             /* sanity checks */
1076             assert(MixerWindow);
1077             assert(MixerWindow->Mixer->hmx == (HMIXER)wParam);
1078
1079             SndMixerEnumConnections(MixerWindow->Mixer, Preferences.SelectedLine, MixerControlChangeCallback, (PVOID)lParam);
1080             break;
1081         }
1082
1083         case WM_VSCROLL:
1084             switch (LOWORD(wParam))
1085             {
1086                 case TB_THUMBTRACK:
1087                     /* get dialog item ctrl */
1088                     CtrlID = GetDlgCtrlID((HWND)lParam);
1089
1090                     /* get line index */
1091                     LineOffset = CtrlID / IDC_LINE_SLIDER_VERT;
1092
1093                     /* compute window id of line name static control */
1094                     CtrlID = LineOffset * IDC_LINE_NAME;
1095
1096                     /* get line name */
1097                     if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
1098                     {
1099                         /* setup context */
1100                         Context.SliderPos = LineOffset;
1101                         Context.bVertical = TRUE;
1102                         Context.bSwitch = FALSE;
1103
1104                         /* set volume */
1105                         SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
1106                     }
1107                     break;
1108
1109                 case TB_ENDTRACK:
1110                     MixerWindow = GetWindowData(hwnd,
1111                                                 MIXER_WINDOW);
1112
1113                     /* get dialog item ctrl */
1114                     CtrlID = GetDlgCtrlID((HWND)lParam);
1115
1116                     /* get line index */
1117                     LineOffset = CtrlID / IDC_LINE_SLIDER_VERT;
1118
1119                     if (LineOffset == 1 && MixerWindow->Mixer->MixerId == 0)
1120                         PlaySound((LPCTSTR)SND_ALIAS_SYSTEMDEFAULT, NULL, SND_ASYNC | SND_ALIAS_ID);
1121                     break;
1122
1123                 default:
1124                     break;
1125             }
1126             break;
1127
1128         case WM_HSCROLL:
1129             switch (LOWORD(wParam))
1130             {
1131                 case TB_THUMBTRACK:
1132                     /* get dialog item ctrl */
1133                     CtrlID = GetDlgCtrlID((HWND)lParam);
1134
1135                     /* get line index */
1136                     LineOffset = CtrlID / IDC_LINE_SLIDER_HORZ;
1137
1138                     /* compute window id of line name static control */
1139                     CtrlID = LineOffset * IDC_LINE_NAME;
1140
1141                     /* get line name */
1142                     if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
1143                     {
1144                         /* setup context */
1145                         Context.SliderPos = LineOffset;
1146                         Context.bVertical = TRUE;
1147                         Context.bSwitch = FALSE;
1148
1149                         /* set volume */
1150                         SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
1151                     }
1152                     break;
1153
1154                 case TB_ENDTRACK:
1155                     MixerWindow = GetWindowData(hwnd,
1156                                                 MIXER_WINDOW);
1157
1158                     /* get dialog item ctrl */
1159                     CtrlID = GetDlgCtrlID((HWND)lParam);
1160
1161                     /* get line index */
1162                     LineOffset = CtrlID / IDC_LINE_SLIDER_HORZ;
1163
1164                     if (LineOffset == 1 && MixerWindow->Mixer->MixerId == 0)
1165                         PlaySound((LPCTSTR)SND_ALIAS_SYSTEMDEFAULT, NULL, SND_ASYNC | SND_ALIAS_ID);
1166                     break;
1167
1168                 default:
1169                     break;
1170             }
1171             break;
1172
1173
1174         case WM_CREATE:
1175         {
1176             MixerWindow = ((LPCREATESTRUCT)lParam)->lpCreateParams;
1177             SetWindowLongPtr(hwnd,
1178                              GWL_USERDATA,
1179                              (LONG_PTR)MixerWindow);
1180             MixerWindow->hWnd = hwnd;
1181             MixerWindow->Mixer = SndMixerCreate(MixerWindow->hWnd, MixerWindow->MixerId);
1182             if (MixerWindow->Mixer != NULL)
1183             {
1184                 TCHAR szProduct[MAXPNAMELEN];
1185
1186                 /* get mixer product name */
1187                 if (SndMixerGetProductName(MixerWindow->Mixer,
1188                                            szProduct,
1189                                            sizeof(szProduct) / sizeof(szProduct[0])) == -1)
1190                 {
1191                     /* failed to get name */
1192                     szProduct[0] = L'\0';
1193                 }
1194
1195
1196                 /* initialize preferences */
1197                 ZeroMemory(&Preferences, sizeof(Preferences));
1198
1199                 /* store mixer */
1200                 Preferences.Mixer = MixerWindow->Mixer;
1201
1202                 /* store mixer window */
1203                 Preferences.MixerWindow = MixerWindow;
1204
1205                 /* first destination line id */
1206                 Preferences.SelectedLine = 0xFFFF0000;
1207
1208                 /* copy product */
1209                 wcscpy(Preferences.DeviceName, szProduct);
1210
1211                 /* Disable the 'Advanced Controls' menu item */
1212                 EnableMenuItem(GetMenu(hwnd), IDM_ADVANCED_CONTROLS, MF_BYCOMMAND | MF_GRAYED);
1213
1214                 /* create status window */
1215                 if (MixerWindow->Mode == NORMAL_MODE)
1216                 {
1217                     MixerWindow->hStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS,
1218                                                                  NULL,
1219                                                                  hwnd,
1220                                                                  0);
1221                     if (MixerWindow->hStatusBar)
1222                     {
1223                         SendMessage(MixerWindow->hStatusBar,
1224                                     WM_SETTEXT,
1225                                     0,
1226                                    (LPARAM)szProduct);
1227                     }
1228                 }
1229
1230                 if (!RebuildMixerWindowControls(&Preferences))
1231                 {
1232                     DPRINT("Rebuilding mixer window controls failed!\n");
1233                     SndMixerDestroy(MixerWindow->Mixer);
1234                     MixerWindow->Mixer = NULL;
1235                     Result = -1;
1236                 }
1237             }
1238             break;
1239         }
1240
1241         case WM_DESTROY:
1242         {
1243             MixerWindow = GetWindowData(hwnd,
1244                                         MIXER_WINDOW);
1245             if (MixerWindow != NULL)
1246             {
1247                 if (MixerWindow->Mixer != NULL)
1248                 {
1249                     SndMixerDestroy(MixerWindow->Mixer);
1250                 }
1251                 if (MixerWindow->hFont)
1252                     DeleteObject(MixerWindow->hFont);
1253                 HeapFree(hAppHeap, 0, MixerWindow);
1254             }
1255             break;
1256         }
1257
1258         case WM_CLOSE:
1259         {
1260             PostQuitMessage(0);
1261             break;
1262         }
1263
1264         default:
1265         {
1266             Result = DefWindowProc(hwnd,
1267                                    uMsg,
1268                                    wParam,
1269                                    lParam);
1270             break;
1271         }
1272     }
1273
1274     return Result;
1275 }
1276
1277 static BOOL
1278 RegisterApplicationClasses(VOID)
1279 {
1280     WNDCLASSEX wc;
1281
1282     wc.cbSize = sizeof(WNDCLASSEX);
1283     wc.style = CS_HREDRAW | CS_VREDRAW;
1284     wc.lpfnWndProc = MainWindowProc;
1285     wc.cbClsExtra = 0;
1286     wc.cbWndExtra = sizeof(PMIXER_WINDOW);
1287     wc.hInstance = hAppInstance;
1288     wc.hIcon = LoadIcon(hAppInstance,
1289                         MAKEINTRESOURCE(IDI_MAINAPP));
1290     wc.hCursor = LoadCursor(NULL,
1291                             IDC_ARROW);
1292     wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1293     wc.lpszMenuName = NULL;
1294     wc.lpszClassName = SZ_APP_CLASS;
1295     wc.hIconSm = NULL;
1296     MainWindowClass = RegisterClassEx(&wc);
1297
1298     return MainWindowClass != 0;
1299 }
1300
1301 static VOID
1302 UnregisterApplicationClasses(VOID)
1303 {
1304     UnregisterClass(SZ_APP_CLASS,
1305                     hAppInstance);
1306 }
1307
1308 static HWND
1309 CreateApplicationWindow(
1310     WINDOW_MODE WindowMode,
1311     UINT MixerId)
1312 {
1313     HWND hWnd;
1314
1315     PMIXER_WINDOW MixerWindow = HeapAlloc(hAppHeap,
1316                                           HEAP_ZERO_MEMORY,
1317                                           sizeof(MIXER_WINDOW));
1318     if (MixerWindow == NULL)
1319     {
1320         return NULL;
1321     }
1322
1323     MixerWindow->Mode = WindowMode;
1324     MixerWindow->MixerId = MixerId;
1325
1326     if (mixerGetNumDevs() > 0)
1327     {
1328         hWnd = CreateWindowEx(WS_EX_WINDOWEDGE | WS_EX_CONTROLPARENT,
1329                               SZ_APP_CLASS,
1330                               lpAppTitle,
1331                               WS_DLGFRAME | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE,
1332                               0, 0, 300, 315,
1333                               NULL,
1334                               LoadMenu(hAppInstance,
1335                                        MAKEINTRESOURCE(IDM_MAINMENU)),
1336                               hAppInstance,
1337                               MixerWindow);
1338     }
1339     else
1340     {
1341         LPTSTR lpErrMessage;
1342
1343         /*
1344          * no mixer devices are available!
1345          */
1346
1347         hWnd = NULL;
1348         if (AllocAndLoadString(&lpErrMessage,
1349                                hAppInstance,
1350                                IDS_NOMIXERDEVICES))
1351         {
1352             MessageBox(NULL,
1353                        lpErrMessage,
1354                        lpAppTitle,
1355                        MB_ICONINFORMATION);
1356             LocalFree(lpErrMessage);
1357         }
1358     }
1359
1360     if (hWnd == NULL)
1361     {
1362         HeapFree(hAppHeap,
1363                  0,
1364                  MixerWindow);
1365     }
1366
1367     return hWnd;
1368 }
1369
1370 static
1371 BOOL
1372 HandleCommandLine(LPTSTR cmdline,
1373                   DWORD dwStyle,
1374                   PWINDOW_MODE pMode,
1375                   PUINT pMixerId)
1376 {
1377     TCHAR option;
1378
1379     *pMixerId = PLAY_MIXER;
1380     *pMode = (dwStyle & 0x20) ? SMALL_MODE : NORMAL_MODE;
1381
1382     while (*cmdline == _T(' ') || *cmdline == _T('-') || *cmdline == _T('/'))
1383     {
1384         if (*cmdline++ == _T(' '))
1385             continue;
1386
1387         option = *cmdline;
1388         if (option)
1389             cmdline++;
1390         while (*cmdline == _T(' '))
1391             cmdline++;
1392
1393         switch (option)
1394         {
1395             case 'd': /* Device */
1396             case 'D':
1397                 break;
1398
1399             case 'n': /* Small size */
1400             case 'N':
1401                 *pMode = NORMAL_MODE;
1402                 break;
1403
1404             case 's': /* Small size */
1405             case 'S':
1406                 *pMode = SMALL_MODE;
1407                 break;
1408
1409             case 't': /* Tray size */
1410             case 'T':
1411                 *pMode = TRAY_MODE;
1412                 break;
1413
1414             case 'p': /* Play mode */
1415             case 'P':
1416                 *pMixerId = PLAY_MIXER;
1417                 break;
1418
1419             case 'r': /* Record mode */
1420             case 'R':
1421                 *pMixerId = RECORD_MIXER;
1422                 break;
1423
1424             default:
1425                 return FALSE;
1426         }
1427     }
1428
1429     return TRUE;
1430 }
1431
1432 int WINAPI
1433 _tWinMain(HINSTANCE hInstance,
1434           HINSTANCE hPrevInstance,
1435           LPTSTR lpszCmdLine,
1436           int nCmdShow)
1437 {
1438     MSG Msg;
1439     int Ret = 1;
1440     INITCOMMONCONTROLSEX Controls;
1441     WINDOW_MODE WindowMode = SMALL_MODE;
1442     UINT MixerId = 0;
1443     DWORD dwStyle;
1444
1445     UNREFERENCED_PARAMETER(hPrevInstance);
1446     UNREFERENCED_PARAMETER(nCmdShow);
1447
1448     hAppInstance = hInstance;
1449     hAppHeap = GetProcessHeap();
1450
1451     if (InitAppConfig())
1452     {
1453         dwStyle = GetStyleValue();
1454         HandleCommandLine(lpszCmdLine, dwStyle, &WindowMode, &MixerId);
1455
1456         /* load the application title */
1457         if (!AllocAndLoadString(&lpAppTitle,
1458                                 hAppInstance,
1459                                 IDS_SNDVOL32))
1460         {
1461             lpAppTitle = NULL;
1462         }
1463
1464         Controls.dwSize = sizeof(INITCOMMONCONTROLSEX);
1465         Controls.dwICC = ICC_BAR_CLASSES | ICC_STANDARD_CLASSES;
1466
1467         InitCommonControlsEx(&Controls);
1468
1469         if (WindowMode == TRAY_MODE)
1470         {
1471             DialogBoxParam(hAppInstance,
1472                            MAKEINTRESOURCE(IDD_TRAY_MASTER),
1473                            NULL,
1474                            TrayDlgProc,
1475                            0);
1476         }
1477         else
1478         {
1479             if (RegisterApplicationClasses())
1480             {
1481                 hMainWnd = CreateApplicationWindow(WindowMode, MixerId);
1482                 if (hMainWnd != NULL)
1483                 {
1484                     BOOL bRet;
1485                     while ((bRet =GetMessage(&Msg,
1486                                              NULL,
1487                                              0,
1488                                              0)) != 0)
1489                     {
1490                         if (bRet != -1)
1491                         {
1492                             TranslateMessage(&Msg);
1493                             DispatchMessage(&Msg);
1494                         }
1495                     }
1496
1497                     DestroyWindow(hMainWnd);
1498                     Ret = 0;
1499                 }
1500                 else
1501                 {
1502                     DPRINT("Failed to create application window (LastError: %d)!\n", GetLastError());
1503                 }
1504
1505                 UnregisterApplicationClasses();
1506             }
1507             else
1508             {
1509                 DPRINT("Failed to register application classes (LastError: %d)!\n", GetLastError());
1510             }
1511         }
1512
1513         if (lpAppTitle != NULL)
1514         {
1515             LocalFree(lpAppTitle);
1516         }
1517
1518         CloseAppConfig();
1519     }
1520     else
1521     {
1522         DPRINT("Unable to open the Volume Control registry key!\n");
1523     }
1524
1525     return Ret;
1526 }