2 * ReactOS Sound Volume Control
3 * Copyright (C) 2004-2005 Thomas Weidenmueller
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.
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.
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
20 * COPYRIGHT: See COPYING in the top level directory
21 * PROJECT: ReactOS Sound Volume Control
22 * FILE: subsys/system/sndvol32/sndvol32.c
23 * PROGRAMMERS: Thomas Weidenmueller <w3seek@reactos.com>
30 HINSTANCE hAppInstance
;
35 PREFERENCES_CONTEXT Preferences
;
37 #define GetDialogData(hwndDlg, type) \
38 ( P##type )GetWindowLongPtr((hwndDlg), DWLP_USER)
39 #define GetWindowData(hwnd, type) \
40 ( P##type )GetWindowLongPtr((hwnd), GWL_USERDATA)
42 /******************************************************************************/
46 typedef struct _PREFERENCES_FILL_DEVICES
48 PPREFERENCES_CONTEXT PrefContext
;
51 } PREFERENCES_FILL_DEVICES
, *PPREFERENCES_FILL_DEVICES
;
54 FillDeviceComboBox(PSND_MIXER Mixer
,
60 PPREFERENCES_FILL_DEVICES FillContext
= (PPREFERENCES_FILL_DEVICES
)Context
;
62 UNREFERENCED_PARAMETER(Mixer
);
64 lres
= SendMessage(FillContext
->hComboBox
,
70 /* save the index so we don't screw stuff when the combobox is sorted... */
71 SendMessage(FillContext
->hComboBox
,
76 if (Id
== FillContext
->Selected
)
78 SendMessage(FillContext
->hComboBox
,
89 PrefDlgAddLine(PSND_MIXER Mixer
,
94 PPREFERENCES_CONTEXT PrefContext
= (PPREFERENCES_CONTEXT
)Context
;
96 UNREFERENCED_PARAMETER(Mixer
);
97 UNREFERENCED_PARAMETER(DisplayControls
);
99 switch (Line
->dwComponentType
)
101 case MIXERLINE_COMPONENTTYPE_DST_SPEAKERS
:
102 if (PrefContext
->PlaybackID
== (DWORD
)-1)
104 PrefContext
->PlaybackID
= Line
->dwLineID
;
106 if (PrefContext
->SelectedLine
== (DWORD
)-1)
108 PrefContext
->SelectedLine
= Line
->dwLineID
;
112 goto AddToOthersLines
;
116 case MIXERLINE_COMPONENTTYPE_DST_WAVEIN
:
117 if (PrefContext
->RecordingID
== (DWORD
)-1)
119 PrefContext
->RecordingID
= Line
->dwLineID
;
121 if (PrefContext
->SelectedLine
== (DWORD
)-1)
123 PrefContext
->SelectedLine
= Line
->dwLineID
;
127 goto AddToOthersLines
;
136 if (PrefContext
->SelectedLine
== (DWORD
)-1)
138 PrefContext
->SelectedLine
= Line
->dwLineID
;
142 hwndCbOthers
= GetDlgItem(PrefContext
->hwndDlg
,
145 lres
= SendMessage(hwndCbOthers
,
148 (LPARAM
)Line
->szName
);
151 SendMessage(hwndCbOthers
,
156 PrefContext
->OtherLines
++;
166 PrefDlgAddConnection(PSND_MIXER Mixer
,
171 PPREFERENCES_CONTEXT PrefContext
= (PPREFERENCES_CONTEXT
)Context
;
176 UNREFERENCED_PARAMETER(Mixer
);
177 UNREFERENCED_PARAMETER(LineID
);
179 if (Line
->cControls
!= 0)
181 hwndControls
= GetDlgItem(PrefContext
->hwndDlg
,
184 lvi
.mask
= LVIF_TEXT
| LVIF_PARAM
;
185 lvi
.iItem
= PrefContext
->tmp
++;
187 lvi
.pszText
= Line
->szName
;
188 lvi
.lParam
= (LPARAM
)Line
->dwSource
;
190 i
= SendMessage(hwndControls
,
196 TCHAR LineName
[MIXER_LONG_NAME_CHARS
];
198 BOOL SelLine
= FALSE
;
200 if (SndMixerGetLineName(PrefContext
->Mixer
,
201 PrefContext
->SelectedLine
,
203 MIXER_LONG_NAME_CHARS
,
206 LineName
[0] = TEXT('\0');
209 if (ReadLineConfig(PrefContext
->DeviceName
,
220 ListView_SetCheckState(hwndControls
,
230 UpdatePrefDlgControls(PPREFERENCES_CONTEXT Context
,
233 INT OldID
, MixerID
= 0;
236 /* select the mixer */
237 DeviceCbIndex
= SendDlgItemMessage(Context
->hwndDlg
,
242 if (DeviceCbIndex
!= CB_ERR
)
244 MixerID
= SendDlgItemMessage(Context
->hwndDlg
,
249 if (MixerID
== CB_ERR
)
255 OldID
= Context
->Selected
;
256 if (MixerID
!= OldID
&&
257 SndMixerSelect(Context
->Mixer
,
260 Context
->Selected
= SndMixerGetSelection(Context
->Mixer
);
262 /* update the controls */
263 Context
->PlaybackID
= (DWORD
)-1;
264 Context
->RecordingID
= (DWORD
)-1;
265 Context
->OtherLines
= 0;
266 Context
->SelectedLine
= (DWORD
)-1;
268 SndMixerGetProductName(Context
->Mixer
,
270 sizeof(Context
->DeviceName
) / sizeof(Context
->DeviceName
[0]));
272 if (SndMixerEnumLines(Context
->Mixer
,
278 /* enable/disable controls and make default selection */
279 EnableWindow(GetDlgItem(Context
->hwndDlg
,
281 Context
->PlaybackID
!= (DWORD
)-1);
282 CheckDlgButton(Context
->hwndDlg
,
284 (Context
->PlaybackID
!= (DWORD
)-1 && SelBox
++ == 0) ?
285 BST_CHECKED
: BST_UNCHECKED
);
287 EnableWindow(GetDlgItem(Context
->hwndDlg
,
289 Context
->RecordingID
!= (DWORD
)-1);
290 CheckDlgButton(Context
->hwndDlg
,
292 (Context
->RecordingID
!= (DWORD
)-1 && SelBox
++ == 0) ?
293 BST_CHECKED
: BST_UNCHECKED
);
295 if (Context
->OtherLines
!= 0)
297 /* select the first item in the other lines combo box by default */
298 SendDlgItemMessage(Context
->hwndDlg
,
304 EnableWindow(GetDlgItem(Context
->hwndDlg
,
307 EnableWindow(GetDlgItem(Context
->hwndDlg
,
309 Context
->OtherLines
!= 0);
310 CheckDlgButton(Context
->hwndDlg
,
312 (Context
->OtherLines
!= 0 && SelBox
++ == 0) ?
313 BST_CHECKED
: BST_UNCHECKED
);
315 /* disable the OK button if the device doesn't have any lines */
316 EnableWindow(GetDlgItem(Context
->hwndDlg
,
318 Context
->PlaybackID
!= (DWORD
)-1 ||
319 Context
->RecordingID
!= (DWORD
)-1 ||
320 Context
->OtherLines
!= 0);
322 LineID
= Context
->SelectedLine
;
326 /* update the line sources list */
327 if ((MixerID
!= OldID
&& Context
->SelectedLine
!= (DWORD
)-1) ||
328 (Context
->SelectedLine
!= LineID
&& LineID
!= (DWORD
)-1))
330 Context
->SelectedLine
= LineID
;
332 (void)ListView_DeleteAllItems(GetDlgItem(Context
->hwndDlg
,
336 SndMixerEnumConnections(Context
->Mixer
,
338 PrefDlgAddConnection
,
345 WriteLineSettings(PPREFERENCES_CONTEXT Context
, HWND hwndDlg
)
349 WCHAR LineName
[MIXER_LONG_NAME_CHARS
];
350 WCHAR DestinationName
[MIXER_LONG_NAME_CHARS
];
352 PSNDVOL_REG_LINESTATE LineStates
;
355 hwndControls
= GetDlgItem(hwndDlg
, IDC_CONTROLS
);
357 /* get list item count */
358 Count
= ListView_GetItemCount(hwndControls
);
363 if (SndMixerGetLineName(Context
->Mixer
, Context
->SelectedLine
, DestinationName
, MIXER_LONG_NAME_CHARS
, TRUE
) == -1)
365 /* failed to get destination line name */
369 /* allocate line states array */
370 LineStates
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(SNDVOL_REG_LINESTATE
) * Count
);
371 if (LineStates
== NULL
)
373 /* failed to allocate line states array */
378 for(Index
= 0; Index
< Count
; Index
++)
384 ListView_GetItemText(hwndControls
, Index
, 0, LineName
, MIXER_LONG_NAME_CHARS
);
386 /* make sure it is null terminated */
387 LineName
[MIXER_LONG_NAME_CHARS
-1] = L
'\0';
389 /* get check state */
390 Flags
= (ListView_GetCheckState(hwndControls
, Index
) == 0 ? 0x4 : 0);
393 wcscpy(LineStates
[Index
].LineName
, LineName
);
396 LineStates
[Index
].Flags
= Flags
;
399 /* now write the line config */
400 WriteLineConfig(Context
->DeviceName
, DestinationName
, LineStates
, sizeof(SNDVOL_REG_LINESTATE
) * Count
);
402 /* free line states */
403 HeapFree(GetProcessHeap(), 0, LineStates
);
406 static INT_PTR CALLBACK
407 DlgPreferencesProc(HWND hwndDlg
,
412 PPREFERENCES_CONTEXT Context
;
418 Context
= GetDialogData(hwndDlg
,
419 PREFERENCES_CONTEXT
);
420 switch (LOWORD(wParam
))
422 case IDC_MIXERDEVICE
:
424 if (HIWORD(wParam
) == CBN_SELCHANGE
)
426 UpdatePrefDlgControls(Context
,
434 if (HIWORD(wParam
) == CBN_SELCHANGE
)
439 Index
= SendDlgItemMessage(hwndDlg
,
446 LineID
= SendDlgItemMessage(hwndDlg
,
451 if (LineID
!= CB_ERR
)
453 UpdatePrefDlgControls(Context
,
463 UpdatePrefDlgControls(Context
,
464 Context
->PlaybackID
);
465 EnableWindow(GetDlgItem(hwndDlg
,
473 UpdatePrefDlgControls(Context
,
474 Context
->RecordingID
);
475 EnableWindow(GetDlgItem(hwndDlg
,
486 EnableWindow(GetDlgItem(hwndDlg
,
490 LineCbIndex
= SendDlgItemMessage(hwndDlg
,
495 if (LineCbIndex
!= CB_ERR
)
497 LineID
= SendDlgItemMessage(hwndDlg
,
502 if (LineID
!= CB_ERR
)
504 UpdatePrefDlgControls(Context
,
513 /* write line settings */
514 WriteLineSettings(Context
, hwndDlg
);
530 PREFERENCES_FILL_DEVICES FillDevContext
;
535 SetWindowLongPtr(hwndDlg
,
538 Context
= (PPREFERENCES_CONTEXT
)((LONG_PTR
)lParam
);
539 Context
->hwndDlg
= hwndDlg
;
540 Context
->Mixer
= SndMixerCreate(hwndDlg
);
541 Context
->Selected
= (UINT
)-1;
543 FillDevContext
.PrefContext
= Context
;
544 FillDevContext
.hComboBox
= GetDlgItem(hwndDlg
,
546 FillDevContext
.Selected
= SndMixerGetSelection(Context
->Mixer
);
547 SndMixerEnumProducts(Context
->Mixer
,
551 /* initialize the list view control */
552 hwndControls
= GetDlgItem(hwndDlg
,
554 (void)ListView_SetExtendedListViewStyle(hwndControls
,
557 GetClientRect(hwndControls
,
559 lvc
.mask
= LVCF_TEXT
| LVCF_WIDTH
;
560 lvc
.pszText
= TEXT("");
561 lvc
.cx
= rcClient
.right
;
562 SendMessage(hwndControls
,
567 /* update all controls */
568 UpdatePrefDlgControls(Context
,
569 (DWORD
)Context
->SelectedLine
);
580 case WM_SYSCOLORCHANGE
:
584 /* Forward WM_SYSCOLORCHANGE */
585 hwndControls
= GetDlgItem(hwndDlg
, IDC_CONTROLS
);
586 SendMessage(hwndControls
, WM_SYSCOLORCHANGE
, 0, 0);
595 /******************************************************************************/
598 DeleteMixerWindowControls(PMIXER_WINDOW MixerWindow
)
602 for(Index
= 0; Index
< MixerWindow
->WindowCount
; Index
++)
604 /* destroys the window */
605 DestroyWindow(MixerWindow
->Window
[Index
]);
609 HeapFree(GetProcessHeap(), 0, MixerWindow
->Window
);
612 MixerWindow
->Window
= NULL
;
613 MixerWindow
->WindowCount
= 0;
617 RebuildMixerWindowControls(PPREFERENCES_CONTEXT PrefContext
)
619 /* delete existing mixer controls */
620 DeleteMixerWindowControls(PrefContext
->MixerWindow
);
622 /* load new mixer controls */
623 LoadDialogCtrls(PrefContext
);
631 SetVolumeCallback(PSND_MIXER Mixer
, DWORD LineID
, LPMIXERLINE Line
, PVOID Ctx
)
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
;
639 /* check if the line name is equal */
640 if (wcsicmp(Line
->szName
, Context
->LineName
))
647 if (SndMixerQueryControls(Mixer
, &ControlCount
, Line
, &Control
) == FALSE
)
649 /* failed to query for controls */
653 /* now go through all controls and compare control ids */
654 for(Index
= 0; Index
< ControlCount
; Index
++)
656 if (Context
->bVertical
)
658 if ((Control
[Index
].dwControlType
& MIXERCONTROL_CT_CLASS_MASK
) == MIXERCONTROL_CT_CLASS_FADER
)
660 /* FIXME: give me granularity */
661 DWORD Step
= 0x10000 / 5;
664 uDetails
.dwValue
= 0x10000 - Step
* Context
->SliderPos
;
667 SndMixerSetVolumeControlDetails(Preferences
.MixerWindow
->Mixer
, Control
[Index
].dwControlID
, sizeof(MIXERCONTROLDETAILS_UNSIGNED
), (LPVOID
)&uDetails
);
673 else if (Context
->bSwitch
)
675 if ((Control
[Index
].dwControlType
& MIXERCONTROL_CT_CLASS_MASK
) == MIXERCONTROL_CT_CLASS_SWITCH
)
678 bDetails
.fValue
= Context
->SliderPos
;
681 SndMixerSetVolumeControlDetails(Preferences
.MixerWindow
->Mixer
, Control
[Index
].dwControlID
, sizeof(MIXERCONTROLDETAILS_BOOLEAN
), (LPVOID
)&bDetails
);
689 /* FIXME: implement left - right channel switch support */
695 HeapFree(GetProcessHeap(), 0, Control
);
705 MixerControlChangeCallback(PSND_MIXER Mixer
, DWORD LineID
, LPMIXERLINE Line
, PVOID Context
)
707 UINT ControlCount
= 0, Index
;
708 LPMIXERCONTROL Control
= NULL
;
710 /* check if the line has controls */
711 if (Line
->cControls
== 0)
718 if (SndMixerQueryControls(Mixer
, &ControlCount
, Line
, &Control
) == FALSE
)
720 /* failed to query for controls */
724 /* now go through all controls and compare control ids */
725 for(Index
= 0; Index
< ControlCount
; Index
++)
727 if (Control
[Index
].dwControlID
== PtrToUlong(Context
))
729 if ((Control
[Index
].dwControlType
& MIXERCONTROL_CT_CLASS_MASK
) == MIXERCONTROL_CT_CLASS_SWITCH
)
731 MIXERCONTROLDETAILS_BOOLEAN Details
;
733 /* get volume control details */
734 if (SndMixerGetVolumeControlDetails(Preferences
.MixerWindow
->Mixer
, Control
[Index
].dwControlID
, sizeof(MIXERCONTROLDETAILS_BOOLEAN
), (LPVOID
)&Details
) != -1)
736 /* update dialog control */
737 UpdateDialogLineSwitchControl(&Preferences
, Line
, Details
.fValue
);
740 else if ((Control
[Index
].dwControlType
& MIXERCONTROL_CT_CLASS_MASK
) == MIXERCONTROL_CT_CLASS_FADER
)
742 MIXERCONTROLDETAILS_UNSIGNED Details
;
744 /* get volume control details */
745 if (SndMixerGetVolumeControlDetails(Preferences
.MixerWindow
->Mixer
, Control
[Index
].dwControlID
, sizeof(MIXERCONTROLDETAILS_UNSIGNED
), (LPVOID
)&Details
) != -1)
747 /* update dialog control */
749 DWORD Step
= 0x10000 / 5;
751 /* FIXME: give me granularity */
752 Position
= 5 - (Details
.dwValue
/ Step
);
754 /* update volume control slider */
755 UpdateDialogLineSliderControl(&Preferences
, Line
, Control
[Index
].dwControlID
, IDC_LINE_SLIDER_VERT
, Position
);
763 HeapFree(GetProcessHeap(), 0, Control
);
771 static LRESULT CALLBACK
772 MainWindowProc(HWND hwnd
,
777 PMIXER_WINDOW MixerWindow
;
778 DWORD CtrlID
, LineOffset
;
780 SET_VOLUME_CONTEXT Context
;
786 MixerWindow
= GetWindowData(hwnd
,
789 switch (LOWORD(wParam
))
793 PREFERENCES_CONTEXT Pref
;
795 Pref
.MixerWindow
= MixerWindow
;
797 Pref
.SelectedLine
= Preferences
.SelectedLine
;
799 if (DialogBoxParam(hAppInstance
,
800 MAKEINTRESOURCE(IDD_PREFERENCES
),
803 (LPARAM
)&Pref
) == IDOK
)
806 TCHAR szProduct
[MAXPNAMELEN
];
808 /* get mixer product name */
809 if (SndMixerGetProductName(MixerWindow
->Mixer
,
811 sizeof(szProduct
) / sizeof(szProduct
[0])) == -1)
813 /* failed to get name */
814 szProduct
[0] = L
'\0';
819 wcscpy(Preferences
.DeviceName
, szProduct
);
822 /* destroy old status bar */
823 DestroyWindow(MixerWindow
->hStatusBar
);
826 Preferences
.SelectedLine
= Pref
.SelectedLine
;
828 /* destroy old mixer */
829 SndMixerDestroy(Preferences
.MixerWindow
->Mixer
);
831 /* use new selected mixer */
832 Preferences
.MixerWindow
->Mixer
= Pref
.Mixer
;
834 /* rebuild dialog controls */
835 RebuildMixerWindowControls(&Preferences
);
837 /* create status window */
838 MixerWindow
->hStatusBar
= CreateStatusWindow(WS_VISIBLE
| WS_CHILD
| WS_CLIPSIBLINGS
,
844 if (MixerWindow
->hStatusBar
)
846 SendMessage(MixerWindow
->hStatusBar
,
863 HICON hAppIcon
= (HICON
)GetClassLongPtrW(hwnd
,
875 CtrlID
= LOWORD(wParam
);
877 /* check if the message is from the line switch */
878 if (HIWORD(wParam
) == BN_CLICKED
&& (CtrlID
% IDC_LINE_SWITCH
== 0))
880 /* compute line offset */
881 LineOffset
= CtrlID
/ IDC_LINE_SWITCH
;
883 /* compute window id of line name static control */
884 CtrlID
= LineOffset
* IDC_LINE_NAME
;
887 if (GetDlgItemTextW(hwnd
, CtrlID
, Context
.LineName
, MIXER_LONG_NAME_CHARS
) != 0)
890 Context
.SliderPos
= SendMessage((HWND
)lParam
, BM_GETCHECK
, 0, 0);
891 Context
.bVertical
= FALSE
;
892 Context
.bSwitch
= TRUE
;
895 SndMixerEnumConnections(Preferences
.MixerWindow
->Mixer
, Preferences
.SelectedLine
, SetVolumeCallback
, (LPVOID
)&Context
);
904 case MM_MIXM_LINE_CHANGE
:
906 DPRINT("MM_MIXM_LINE_CHANGE\n");
910 case MM_MIXM_CONTROL_CHANGE
:
912 DPRINT("MM_MIXM_CONTROL_CHANGE\n");
914 /* get mixer window */
915 MixerWindow
= GetWindowData(hwnd
,
920 assert(MixerWindow
->Mixer
->hmx
== (HMIXER
)wParam
);
922 SndMixerEnumConnections(MixerWindow
->Mixer
, Preferences
.SelectedLine
, MixerControlChangeCallback
, (PVOID
)lParam
);
928 if (LOWORD(wParam
) == TB_THUMBTRACK
)
930 /* get dialog item ctrl */
931 CtrlID
= GetDlgCtrlID((HWND
)lParam
);
934 LineOffset
= CtrlID
/ IDC_LINE_SLIDER_VERT
;
936 /* compute window id of line name static control */
937 CtrlID
= LineOffset
* IDC_LINE_NAME
;
940 if (GetDlgItemTextW(hwnd
, CtrlID
, Context
.LineName
, MIXER_LONG_NAME_CHARS
) != 0)
943 Context
.SliderPos
= HIWORD(wParam
);
944 Context
.bVertical
= TRUE
;
945 Context
.bSwitch
= FALSE
;
948 SndMixerEnumConnections(Preferences
.MixerWindow
->Mixer
, Preferences
.SelectedLine
, SetVolumeCallback
, (LPVOID
)&Context
);
958 MixerWindow
= ((LPCREATESTRUCT
)lParam
)->lpCreateParams
;
959 SetWindowLongPtr(hwnd
,
961 (LONG_PTR
)MixerWindow
);
962 MixerWindow
->hWnd
= hwnd
;
963 MixerWindow
->Mixer
= SndMixerCreate(MixerWindow
->hWnd
);
964 if (MixerWindow
->Mixer
!= NULL
)
966 TCHAR szProduct
[MAXPNAMELEN
];
968 /* get mixer product name */
969 if (SndMixerGetProductName(MixerWindow
->Mixer
,
971 sizeof(szProduct
) / sizeof(szProduct
[0])) == -1)
973 /* failed to get name */
974 szProduct
[0] = L
'\0';
978 /* initialize perferences */
979 ZeroMemory(&Preferences
, sizeof(Preferences
));
982 Preferences
.Mixer
= MixerWindow
->Mixer
;
984 /* store mixer window */
985 Preferences
.MixerWindow
= MixerWindow
;
987 /* first destination line id */
988 Preferences
.SelectedLine
= 0xFFFF0000;
991 wcscpy(Preferences
.DeviceName
, szProduct
);
993 if (!RebuildMixerWindowControls(&Preferences
))
995 DPRINT("Rebuilding mixer window controls failed!\n");
996 SndMixerDestroy(MixerWindow
->Mixer
);
997 MixerWindow
->Mixer
= NULL
;
1001 /* create status window */
1002 MixerWindow
->hStatusBar
= CreateStatusWindow(WS_VISIBLE
| WS_CHILD
| WS_CLIPSIBLINGS
,
1006 if (MixerWindow
->hStatusBar
)
1008 SendMessage(MixerWindow
->hStatusBar
,
1019 MixerWindow
= GetWindowData(hwnd
,
1021 if (MixerWindow
->Mixer
!= NULL
)
1023 SndMixerDestroy(MixerWindow
->Mixer
);
1036 Result
= DefWindowProc(hwnd
,
1048 RegisterApplicationClasses(VOID
)
1052 wc
.cbSize
= sizeof(WNDCLASSEX
);
1053 wc
.style
= CS_HREDRAW
| CS_VREDRAW
;
1054 wc
.lpfnWndProc
= MainWindowProc
;
1056 wc
.cbWndExtra
= sizeof(PMIXER_WINDOW
);
1057 wc
.hInstance
= hAppInstance
;
1058 wc
.hIcon
= LoadIcon(hAppInstance
,
1059 MAKEINTRESOURCE(IDI_MAINAPP
));
1060 wc
.hCursor
= LoadCursor(NULL
,
1062 wc
.hbrBackground
= (HBRUSH
)(COLOR_BTNFACE
+ 1);
1063 wc
.lpszMenuName
= NULL
;
1064 wc
.lpszClassName
= SZ_APP_CLASS
;
1066 MainWindowClass
= RegisterClassEx(&wc
);
1068 return MainWindowClass
!= 0;
1072 UnregisterApplicationClasses(VOID
)
1074 UnregisterClass(SZ_APP_CLASS
,
1079 CreateApplicationWindow(VOID
)
1083 PMIXER_WINDOW MixerWindow
= HeapAlloc(hAppHeap
,
1085 sizeof(MIXER_WINDOW
));
1086 if (MixerWindow
== NULL
)
1091 if (mixerGetNumDevs() > 0)
1093 hWnd
= CreateWindowEx(WS_EX_WINDOWEDGE
| WS_EX_CONTROLPARENT
,
1096 WS_DLGFRAME
| WS_CAPTION
| WS_MINIMIZEBOX
| WS_SYSMENU
| WS_CLIPCHILDREN
| WS_CLIPSIBLINGS
| WS_VISIBLE
,
1099 LoadMenu(hAppInstance
,
1100 MAKEINTRESOURCE(IDM_MAINMENU
)),
1106 LPTSTR lpErrMessage
;
1109 * no mixer devices are available!
1113 if (AllocAndLoadString(&lpErrMessage
,
1115 IDS_NOMIXERDEVICES
))
1120 MB_ICONINFORMATION
);
1121 LocalFree(lpErrMessage
);
1136 _tWinMain(HINSTANCE hInstance
,
1137 HINSTANCE hPrevInstance
,
1143 INITCOMMONCONTROLSEX Controls
;
1145 UNREFERENCED_PARAMETER(hPrevInstance
);
1146 UNREFERENCED_PARAMETER(lpszCmdLine
);
1147 UNREFERENCED_PARAMETER(nCmdShow
);
1149 hAppInstance
= hInstance
;
1150 hAppHeap
= GetProcessHeap();
1152 if (InitAppConfig())
1154 /* load the application title */
1155 if (!AllocAndLoadString(&lpAppTitle
,
1162 Controls
.dwSize
= sizeof(INITCOMMONCONTROLSEX
);
1163 Controls
.dwICC
= ICC_BAR_CLASSES
| ICC_STANDARD_CLASSES
;
1165 InitCommonControlsEx(&Controls
);
1167 if (RegisterApplicationClasses())
1169 hMainWnd
= CreateApplicationWindow();
1170 if (hMainWnd
!= NULL
)
1173 while ((bRet
=GetMessage(&Msg
,
1180 TranslateMessage(&Msg
);
1181 DispatchMessage(&Msg
);
1185 DestroyWindow(hMainWnd
);
1190 DPRINT("Failed to create application window (LastError: %d)!\n", GetLastError());
1193 UnregisterApplicationClasses();
1197 DPRINT("Failed to register application classes (LastError: %d)!\n", GetLastError());
1200 if (lpAppTitle
!= NULL
)
1202 LocalFree(lpAppTitle
);
1209 DPRINT("Unable to open the Volume Control registry key!\n");