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);
 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     MIXERCONTROLDETAILS_UNSIGNED uDetails;
 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     /* now go through all controls and compare control ids */
 654     for(Index = 0; Index < ControlCount; Index++)
 655     {
 656         if (Context->bVertical)
 657         {
 658             if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_FADER)
 659             {
 660                 /* FIXME: give me granularity */
 661                 DWORD Step = 0x10000 / 5;
 662
 663                 /* set up details */
 664                 uDetails.dwValue = 0x10000 - Step * Context->SliderPos;
 665
 666                 /* set volume */
 667                 SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)&uDetails);
 668
 669                 /* done */
 670                 break;
 671             }
 672         }
 673         else if (Context->bSwitch)
 674         {
 675             if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_SWITCH)
 676             {
 677                 /* set up details */
 678                 bDetails.fValue = Context->SliderPos;
 679
 680                 /* set volume */
 681                 SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, sizeof(MIXERCONTROLDETAILS_BOOLEAN), (LPVOID)&bDetails);
 682
 683                 /* done */
 684                 break;
 685             }
 686         }
 687         else
 688         {
 689             /* FIXME: implement left - right channel switch support */
 690             assert(0);
 691         }
 692     }
 693
 694     /* free controls */
 695     HeapFree(GetProcessHeap(), 0, Control);
 696
 697
 698     /* done */
 699     return TRUE;
 700 }
 701
 702 static
 703 BOOL
 704 CALLBACK
 705 MixerControlChangeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Context)
 706 {
 707     UINT ControlCount = 0, Index;
 708     LPMIXERCONTROL Control = NULL;
 709
 710     /* check if the line has controls */
 711     if (Line->cControls == 0)
 712     {
 713         /* no controls */
 714         return TRUE;
 715     }
 716
 717     /* query controls */
 718     if (SndMixerQueryControls(Mixer, &ControlCount, Line, &Control) == FALSE)
 719     {
 720         /* failed to query for controls */
 721         return FALSE;
 722     }
 723
 724     /* now go through all controls and compare control ids */
 725     for(Index = 0; Index < ControlCount; Index++)
 726     {
 727         if (Control[Index].dwControlID == PtrToUlong(Context))
 728         {
 729             if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_SWITCH)
 730             {
 731                 MIXERCONTROLDETAILS_BOOLEAN Details;
 732
 733                 /* get volume control details */
 734                 if (SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, sizeof(MIXERCONTROLDETAILS_BOOLEAN), (LPVOID)&Details) != -1)
 735                 {
 736                     /* update dialog control */
 737                     UpdateDialogLineSwitchControl(&Preferences, Line, Details.fValue);
 738                 }
 739             }
 740             else if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_FADER)
 741             {
 742                 MIXERCONTROLDETAILS_UNSIGNED Details;
 743
 744                 /* get volume control details */
 745                 if (SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)&Details) != -1)
 746                 {
 747                     /* update dialog control */
 748                     DWORD Position;
 749                     DWORD Step = 0x10000 / 5;
 750
 751                     /* FIXME: give me granularity */
 752                     Position = 5 - (Details.dwValue / Step);
 753
 754                     /* update volume control slider */
 755                     UpdateDialogLineSliderControl(&Preferences, Line, Control[Index].dwControlID, IDC_LINE_SLIDER_VERT, Position);
 756                 }
 757             }
 758             break;
 759         }
 760     }
 761
 762     /* free controls */
 763     HeapFree(GetProcessHeap(), 0, Control);
 764
 765
 766     /* done */
 767     return TRUE;
 768 }
 769
 770
 771 static LRESULT CALLBACK
 772 MainWindowProc(HWND hwnd,
 773                UINT uMsg,
 774                WPARAM wParam,
 775                LPARAM lParam)
 776 {
 777     PMIXER_WINDOW MixerWindow;
 778     DWORD CtrlID, LineOffset;
 779     LRESULT Result = 0;
 780     SET_VOLUME_CONTEXT Context;
 781
 782     switch (uMsg)
 783     {
 784         case WM_COMMAND:
 785         {
 786             MixerWindow = GetWindowData(hwnd,
 787                                         MIXER_WINDOW);
 788
 789             switch (LOWORD(wParam))
 790             {
 791                 case IDC_PROPERTIES:
 792                 {
 793                     PREFERENCES_CONTEXT Pref;
 794
 795                     Pref.MixerWindow = MixerWindow;
 796                     Pref.Mixer = NULL;
 797                     Pref.SelectedLine = Preferences.SelectedLine;
 798
 799                     if (DialogBoxParam(hAppInstance,
 800                                        MAKEINTRESOURCE(IDD_PREFERENCES),
 801                                        hwnd,
 802                                        DlgPreferencesProc,
 803                                        (LPARAM)&Pref) == IDOK)
 804                     {
 805                         /* update window */
 806                         TCHAR szProduct[MAXPNAMELEN];
 807
 808                         /* get mixer product name */
 809                         if (SndMixerGetProductName(MixerWindow->Mixer,
 810                                                    szProduct,
 811                                                    sizeof(szProduct) / sizeof(szProduct[0])) == -1)
 812                         {
 813                             /* failed to get name */
 814                             szProduct[0] = L'\0';
 815                         }
 816                         else
 817                         {
 818                             /* copy product */
 819                             wcscpy(Preferences.DeviceName, szProduct);
 820                         }
 821
 822                         /* destroy old status bar */
 823                         if (MixerWindow->Mode == NORMAL_MODE)
 824                             DestroyWindow(MixerWindow->hStatusBar);
 825
 826                         /* update details */
 827                         Preferences.SelectedLine = Pref.SelectedLine;
 828
 829                         /* destroy old mixer */
 830                         SndMixerDestroy(Preferences.MixerWindow->Mixer);
 831
 832                         /* use new selected mixer */
 833                         Preferences.MixerWindow->Mixer = Pref.Mixer;
 834
 835                         /* rebuild dialog controls */
 836                         RebuildMixerWindowControls(&Preferences);
 837
 838                         /* create status window */
 839                         if (MixerWindow->Mode == NORMAL_MODE)
 840                         {
 841                             MixerWindow->hStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS,
 842                                                                          NULL,
 843                                                                          hwnd,
 844                                                                          0);
 845                             if (MixerWindow->hStatusBar)
 846                             {
 847                                 /* Set status bar */
 848                                 SendMessage(MixerWindow->hStatusBar,
 849                                     WM_SETTEXT,
 850                                     0,
 851                                     (LPARAM)szProduct);
 852                             }
 853                         }
 854                     }
 855                     break;
 856                 }
 857
 858                 case IDC_EXIT:
 859                 {
 860                     PostQuitMessage(0);
 861                     break;
 862                 }
 863
 864                 case IDC_ABOUT:
 865                 {
 866                     HICON hAppIcon = (HICON)GetClassLongPtrW(hwnd,
 867                                                              GCLP_HICON);
 868                     ShellAbout(hwnd,
 869                                lpAppTitle,
 870                                NULL,
 871                                hAppIcon);
 872                     break;
 873                 }
 874
 875                 default:
 876                 {
 877                     /* get button id */
 878                     CtrlID = LOWORD(wParam);
 879
 880                     /* check if the message is from the line switch */
 881                     if (HIWORD(wParam) == BN_CLICKED && (CtrlID % IDC_LINE_SWITCH == 0))
 882                     {
 883                          /* compute line offset */
 884                          LineOffset = CtrlID / IDC_LINE_SWITCH;
 885
 886                         /* compute window id of line name static control */
 887                         CtrlID = LineOffset * IDC_LINE_NAME;
 888
 889                        /* get line name */
 890                        if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
 891                        {
 892                            /* setup context */
 893                            Context.SliderPos = SendMessage((HWND)lParam, BM_GETCHECK, 0, 0);
 894                            Context.bVertical = FALSE;
 895                            Context.bSwitch = TRUE;
 896
 897                            /* set volume */
 898                            SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
 899                        }
 900                     }
 901                 }
 902
 903             }
 904             break;
 905         }
 906
 907         case MM_MIXM_LINE_CHANGE:
 908         {
 909             DPRINT("MM_MIXM_LINE_CHANGE\n");
 910             break;
 911         }
 912
 913         case MM_MIXM_CONTROL_CHANGE:
 914         {
 915             DPRINT("MM_MIXM_CONTROL_CHANGE\n");
 916
 917             /* get mixer window */
 918             MixerWindow = GetWindowData(hwnd,
 919                                         MIXER_WINDOW);
 920
 921             /* sanity checks */
 922             assert(MixerWindow);
 923             assert(MixerWindow->Mixer->hmx == (HMIXER)wParam);
 924
 925             SndMixerEnumConnections(MixerWindow->Mixer, Preferences.SelectedLine, MixerControlChangeCallback, (PVOID)lParam);
 926             break;
 927         }
 928
 929         case WM_VSCROLL:
 930         {
 931             if (LOWORD(wParam) == TB_THUMBTRACK)
 932             {
 933                 /* get dialog item ctrl */
 934                 CtrlID = GetDlgCtrlID((HWND)lParam);
 935
 936                 /* get line index */
 937                 LineOffset = CtrlID / IDC_LINE_SLIDER_VERT;
 938
 939                 /* compute window id of line name static control */
 940                 CtrlID = LineOffset * IDC_LINE_NAME;
 941
 942                 /* get line name */
 943                 if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
 944                 {
 945                     /* setup context */
 946                     Context.SliderPos = HIWORD(wParam);
 947                     Context.bVertical = TRUE;
 948                     Context.bSwitch = FALSE;
 949
 950                     /* set volume */
 951                     SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
 952                 }
 953             }
 954
 955             break;
 956         }
 957
 958
 959         case WM_CREATE:
 960         {
 961             MixerWindow = ((LPCREATESTRUCT)lParam)->lpCreateParams;
 962             SetWindowLongPtr(hwnd,
 963                              GWL_USERDATA,
 964                              (LONG_PTR)MixerWindow);
 965             MixerWindow->hWnd = hwnd;
 966             MixerWindow->Mixer = SndMixerCreate(MixerWindow->hWnd);
 967             if (MixerWindow->Mixer != NULL)
 968             {
 969                 TCHAR szProduct[MAXPNAMELEN];
 970
 971                 /* get mixer product name */
 972                 if (SndMixerGetProductName(MixerWindow->Mixer,
 973                                            szProduct,
 974                                            sizeof(szProduct) / sizeof(szProduct[0])) == -1)
 975                 {
 976                     /* failed to get name */
 977                     szProduct[0] = L'\0';
 978                 }
 979
 980
 981                 /* initialize preferences */
 982                 ZeroMemory(&Preferences, sizeof(Preferences));
 983
 984                 /* store mixer */
 985                 Preferences.Mixer = MixerWindow->Mixer;
 986
 987                 /* store mixer window */
 988                 Preferences.MixerWindow = MixerWindow;
 989
 990                 /* first destination line id */
 991                 Preferences.SelectedLine = 0xFFFF0000;
 992
 993                 /* copy product */
 994                 wcscpy(Preferences.DeviceName, szProduct);
 995
 996                 if (!RebuildMixerWindowControls(&Preferences))
 997                 {
 998                     DPRINT("Rebuilding mixer window controls failed!\n");
 999                     SndMixerDestroy(MixerWindow->Mixer);
1000                     MixerWindow->Mixer = NULL;
1001                     Result = -1;
1002                 }
1003
1004                 /* create status window */
1005                 if (MixerWindow->Mode == NORMAL_MODE)
1006                 {
1007                     MixerWindow->hStatusBar = CreateStatusWindow(WS_VISIBLE | WS_CHILD | WS_CLIPSIBLINGS,
1008                                                                  NULL,
1009                                                                  hwnd,
1010                                                                  0);
1011                     if (MixerWindow->hStatusBar)
1012                     {
1013                         SendMessage(MixerWindow->hStatusBar,
1014                                     WM_SETTEXT,
1015                                     0,
1016                                    (LPARAM)szProduct);
1017                     }
1018                 }
1019             }
1020             break;
1021         }
1022
1023         case WM_DESTROY:
1024         {
1025             MixerWindow = GetWindowData(hwnd,
1026                                         MIXER_WINDOW);
1027             if (MixerWindow != NULL)
1028             {
1029                 if (MixerWindow->Mixer != NULL)
1030                 {
1031                     SndMixerDestroy(MixerWindow->Mixer);
1032                 }
1033                 if (MixerWindow->hFont)
1034                     DeleteObject(MixerWindow->hFont);
1035                 HeapFree(hAppHeap, 0, MixerWindow);
1036             }
1037             break;
1038         }
1039
1040         case WM_CLOSE:
1041         {
1042             PostQuitMessage(0);
1043             break;
1044         }
1045
1046         default:
1047         {
1048             Result = DefWindowProc(hwnd,
1049                                    uMsg,
1050                                    wParam,
1051                                    lParam);
1052             break;
1053         }
1054     }
1055
1056     return Result;
1057 }
1058
1059 static BOOL
1060 RegisterApplicationClasses(VOID)
1061 {
1062     WNDCLASSEX wc;
1063
1064     wc.cbSize = sizeof(WNDCLASSEX);
1065     wc.style = CS_HREDRAW | CS_VREDRAW;
1066     wc.lpfnWndProc = MainWindowProc;
1067     wc.cbClsExtra = 0;
1068     wc.cbWndExtra = sizeof(PMIXER_WINDOW);
1069     wc.hInstance = hAppInstance;
1070     wc.hIcon = LoadIcon(hAppInstance,
1071                         MAKEINTRESOURCE(IDI_MAINAPP));
1072     wc.hCursor = LoadCursor(NULL,
1073                             IDC_ARROW);
1074     wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
1075     wc.lpszMenuName = NULL;
1076     wc.lpszClassName = SZ_APP_CLASS;
1077     wc.hIconSm = NULL;
1078     MainWindowClass = RegisterClassEx(&wc);
1079
1080     return MainWindowClass != 0;
1081 }
1082
1083 static VOID
1084 UnregisterApplicationClasses(VOID)
1085 {
1086     UnregisterClass(SZ_APP_CLASS,
1087                     hAppInstance);
1088 }
1089
1090 static HWND
1091 CreateApplicationWindow(
1092     WINDOW_MODE WindowMode,
1093     BOOL bRecord)
1094 {
1095     HWND hWnd;
1096
1097     PMIXER_WINDOW MixerWindow = HeapAlloc(hAppHeap,
1098                                           HEAP_ZERO_MEMORY,
1099                                           sizeof(MIXER_WINDOW));
1100     if (MixerWindow == NULL)
1101     {
1102         return NULL;
1103     }
1104
1105     MixerWindow->Mode = WindowMode;
1106
1107
1108     if (mixerGetNumDevs() > 0)
1109     {
1110         hWnd = CreateWindowEx(WS_EX_WINDOWEDGE | WS_EX_CONTROLPARENT,
1111                               SZ_APP_CLASS,
1112                               lpAppTitle,
1113                               WS_DLGFRAME | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_VISIBLE,
1114                               0, 0, 300, 315,
1115                               NULL,
1116                               LoadMenu(hAppInstance,
1117                                        MAKEINTRESOURCE(IDM_MAINMENU)),
1118                               hAppInstance,
1119                               MixerWindow);
1120     }
1121     else
1122     {
1123         LPTSTR lpErrMessage;
1124
1125         /*
1126          * no mixer devices are available!
1127          */
1128
1129         hWnd = NULL;
1130         if (AllocAndLoadString(&lpErrMessage,
1131                                hAppInstance,
1132                                IDS_NOMIXERDEVICES))
1133         {
1134             MessageBox(NULL,
1135                        lpErrMessage,
1136                        lpAppTitle,
1137                        MB_ICONINFORMATION);
1138             LocalFree(lpErrMessage);
1139         }
1140     }
1141
1142     if (hWnd == NULL)
1143     {
1144         HeapFree(hAppHeap,
1145                  0,
1146                  MixerWindow);
1147     }
1148
1149     return hWnd;
1150 }
1151
1152 static
1153 BOOL
1154 HandleCommandLine(LPTSTR cmdline,
1155                   PWINDOW_MODE pMode,
1156                   PBOOL pRecord)
1157 {
1158     TCHAR option;
1159
1160     *pRecord = FALSE;
1161     *pMode = SMALL_MODE;
1162
1163     while (*cmdline == _T(' ') || *cmdline == _T('-') || *cmdline == _T('/'))
1164     {
1165         if (*cmdline++ == _T(' '))
1166             continue;
1167
1168         option = *cmdline;
1169         if (option)
1170             cmdline++;
1171         while (*cmdline == _T(' '))
1172             cmdline++;
1173
1174         switch (option)
1175         {
1176             case 'd': /* Device */
1177             case 'D':
1178                 break;
1179
1180             case 'n': /* Normal size */
1181             case 'N':
1182                 *pMode = NORMAL_MODE;
1183                 break;
1184
1185             case 's': /* Small size */
1186             case 'S':
1187                 *pMode = SMALL_MODE;
1188                 break;
1189
1190             case 't': /* Tray size */
1191             case 'T':
1192                 *pMode = TRAY_MODE;
1193                 break;
1194
1195             case 'p': /* Play mode */
1196             case 'P':
1197                 *pRecord = FALSE;
1198                 break;
1199
1200             case 'r': /* Record mode */
1201             case 'R':
1202                 *pRecord = TRUE;
1203                 break;
1204
1205             default:
1206                 return FALSE;
1207         }
1208     }
1209
1210     return TRUE;
1211 }
1212
1213 int WINAPI
1214 _tWinMain(HINSTANCE hInstance,
1215           HINSTANCE hPrevInstance,
1216           LPTSTR lpszCmdLine,
1217           int nCmdShow)
1218 {
1219     MSG Msg;
1220     int Ret = 1;
1221     INITCOMMONCONTROLSEX Controls;
1222     WINDOW_MODE WindowMode = SMALL_MODE;
1223     BOOL bRecord = FALSE;
1224
1225     UNREFERENCED_PARAMETER(hPrevInstance);
1226     UNREFERENCED_PARAMETER(nCmdShow);
1227
1228     hAppInstance = hInstance;
1229     hAppHeap = GetProcessHeap();
1230
1231     HandleCommandLine(lpszCmdLine, &WindowMode, &bRecord);
1232
1233     if (InitAppConfig())
1234     {
1235         /* load the application title */
1236         if (!AllocAndLoadString(&lpAppTitle,
1237                                 hAppInstance,
1238                                 IDS_SNDVOL32))
1239         {
1240             lpAppTitle = NULL;
1241         }
1242
1243         Controls.dwSize = sizeof(INITCOMMONCONTROLSEX);
1244         Controls.dwICC = ICC_BAR_CLASSES | ICC_STANDARD_CLASSES;
1245
1246         InitCommonControlsEx(&Controls);
1247
1248         if (WindowMode == TRAY_MODE)
1249         {
1250             DialogBoxParam(hAppInstance,
1251                            MAKEINTRESOURCE(IDD_TRAY_MASTER),
1252                            NULL,
1253                            TrayDlgProc,
1254                            0);
1255         }
1256         else
1257         {
1258             if (RegisterApplicationClasses())
1259             {
1260                 hMainWnd = CreateApplicationWindow(WindowMode, bRecord);
1261                 if (hMainWnd != NULL)
1262                 {
1263                     BOOL bRet;
1264                     while ((bRet =GetMessage(&Msg,
1265                                              NULL,
1266                                              0,
1267                                              0)) != 0)
1268                     {
1269                         if (bRet != -1)
1270                         {
1271                             TranslateMessage(&Msg);
1272                             DispatchMessage(&Msg);
1273                         }
1274                     }
1275
1276                     DestroyWindow(hMainWnd);
1277                     Ret = 0;
1278                 }
1279                 else
1280                 {
1281                     DPRINT("Failed to create application window (LastError: %d)!\n", GetLastError());
1282                 }
1283
1284                 UnregisterApplicationClasses();
1285             }
1286             else
1287             {
1288                 DPRINT("Failed to register application classes (LastError: %d)!\n", GetLastError());
1289             }
1290         }
1291
1292         if (lpAppTitle != NULL)
1293         {
1294             LocalFree(lpAppTitle);
1295         }
1296
1297         CloseAppConfig();
1298     }
1299     else
1300     {
1301         DPRINT("Unable to open the Volume Control registry key!\n");
1302     }
1303
1304     return Ret;
1305 }