Source code of Windows XP (NT5)
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/*****************************************************************************
*
* Component: sndvol32.exe
* File: volume.c
* Purpose: main application module
*
* Copyright (c) 1985-1999 Microsoft Corporation
*
*****************************************************************************/
#include <windows.h>
#include <windowsx.h>
#include <mmsystem.h>
#include <commctrl.h>
#include <shellapi.h>
#include <dbt.h>
#include <htmlhelp.h>
#include <regstr.h>
#include "vu.h"
#include "dlg.h"
#include "volids.h"
#include "volumei.h"
#include "utils.h"
#include "stdlib.h"
#include "helpids.h"
#if(WINVER >= 0x040A)
//Support for new WM_DEVICECHANGE behaviour in NT5
/////////////////////////////////////////////////
#include <objbase.h>
#include <setupapi.h>
#include <cfgmgr32.h>
#include <initguid.h>
#include <devguid.h>
#include <mmddkp.h>
#include <ks.h>
#include <ksmedia.h>
#include <wchar.h>
#define HMIXER_INDEX(i) ((HMIXER)IntToPtr(i))
HDEVNOTIFY DeviceEventContext = NULL;
BOOL bUseHandle = FALSE; //Indicates whether a handle is being used for device notification,
//instead of the general KSCATEGORY_AUDIO
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
#endif /* WINVER >= 0x040A */
void Volume_SetControl(PMIXUIDIALOG pmxud, HWND hctl, int iLine, int iCtl);
void Volume_GetControl(PMIXUIDIALOG pmxud, HWND hctl, int iLine, int iCtl);
DWORD Volume_DialogBox(PMIXUIDIALOG pmxud);
void Volume_Cleanup(PMIXUIDIALOG pmxud);
void Volume_InitLine(PMIXUIDIALOG pmxud, DWORD iLine);
HRESULT GetDestLineID(int mxid, DWORD *piDest);
HRESULT GetSrcLineID(int mxid, DWORD *piDest);
HRESULT GetDestination(DWORD mxid, int *piDest);
HICON GetAppIcon (HINSTANCE hInst, UINT uiMixID);
void FreeAppIcon ();
HKEY OpenDeviceRegKey (UINT uiMixID, REGSAM sam);
PTCHAR GetInterfaceName (DWORD dwMixerID);
HKEY OpenDeviceBrandRegKey (UINT uiMixID);
/* string declarations */
const TCHAR gszParentClass[] = TEXT( "SNDVOL32" );
const TCHAR gszAppClassName[] = TEXT( "Volume Control" );
const TCHAR gszTrayClassName[] = TEXT( "Tray Volume" );
/* app global
* */
TCHAR gszHelpFileName[MAX_PATH];
TCHAR gszHtmlHelpFileName[MAX_PATH];
BOOL gfIsRTL;
BOOL fCanDismissWindow = FALSE;
BOOL gfRecord = FALSE;
HICON ghiconApp = NULL;
static HHOOK fpfnOldMsgFilter;
static HOOKPROC fpfnMsgHook;
//Data used for supporting context menu help
BOOL bF1InMenu=FALSE; //If true F1 was pressed on a menu item.
UINT currMenuItem=0; //The current selected menu item if any.
static HWND ghwndApp=NULL;
/*
* Number of uniquely supported devices.
*
* */
int Volume_NumDevs()
{
int cNumDevs = 0;
#pragma message("----Nonmixer issue here.")
// cNumDevs = Nonmixer_GetNumDevs();
cNumDevs += Mixer_GetNumDevs();
return cNumDevs;
}
/*
* Volume_EndDialog
*
* */
void Volume_EndDialog(
PMIXUIDIALOG pmxud,
DWORD dwErr,
MMRESULT mmr)
{
pmxud->dwReturn = dwErr;
if (dwErr == MIXUI_MMSYSERR)
pmxud->mmr = mmr;
if (IsWindow(pmxud->hwnd))
PostMessage(pmxud->hwnd, WM_CLOSE, 0, 0);
}
/*
* Volume_OnMenuCommand
*
* */
BOOL Volume_OnMenuCommand(
HWND hwnd,
int id,
HWND hctl,
UINT unotify)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
switch(id)
{
case IDM_PROPERTIES:
if (Properties(pmxud, hwnd))
{
Volume_GetSetStyle(&pmxud->dwStyle, SET);
Volume_EndDialog(pmxud, MIXUI_RESTART, 0);
}
break;
case IDM_HELPTOPICS:
SendMessage(pmxud->hParent, MYWM_HELPTOPICS, 0, 0L);
break;
case IDM_HELPABOUT:
{
TCHAR ach[256];
GetWindowText(hwnd, ach, SIZEOF(ach));
ShellAbout(hwnd
, ach
, NULL
, (HICON)SendMessage(hwnd, WM_QUERYDRAGICON, 0, 0L));
break;
}
case IDM_ADVANCED:
{
HMENU hmenu;
pmxud->dwStyle ^= MXUD_STYLEF_ADVANCED;
hmenu = GetMenu(hwnd);
if (hmenu)
{
CheckMenuItem(hmenu, IDM_ADVANCED, MF_BYCOMMAND
| ((pmxud->dwStyle & MXUD_STYLEF_ADVANCED)?MF_CHECKED:MF_UNCHECKED));
}
Volume_GetSetStyle(&pmxud->dwStyle, SET);
Volume_EndDialog(pmxud, MIXUI_RESTART, 0);
break;
}
case IDM_SMALLMODESWITCH:
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
pmxud->dwStyle ^= MXUD_STYLEF_SMALL;
if (pmxud->dwStyle & MXUD_STYLEF_SMALL)
{
pmxud->dwStyle &= ~MXUD_STYLEF_STATUS;
}
else
pmxud->dwStyle |= MXUD_STYLEF_STATUS;
Volume_GetSetStyle(&pmxud->dwStyle, SET);
Volume_EndDialog(pmxud, MIXUI_RESTART, 0);
}
break;
case IDM_EXIT:
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
return TRUE;
}
return FALSE;
}
/*
* Volume_OnCommand
*
* - Process WM_COMMAND
*
* Note: We need a 2 way mapping. Dialog control -> Mixer control
* and Mixer control -> Dialog control.
*
* */
void Volume_OnCommand(
HWND hdlg,
int id,
HWND hctl,
UINT unotify)
{
int iMixerLine;
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hdlg);
//
// Filter menu messages
//
if (Volume_OnMenuCommand(hdlg, id, hctl, unotify))
return;
// Each control is offset from the original template control by IDOFFSET.
// e.g.
// IDC_VOLUME, IDC_VOLUME+IDOFFSET, .. IDC_VOLUME+(IDOFFSET*cMixerLines)
//
iMixerLine = id/IDOFFSET - 1;
switch ((id % IDOFFSET) + IDC_MIXERCONTROLS)
{
case IDC_SWITCH:
Volume_SetControl(pmxud, hctl, iMixerLine, MIXUI_SWITCH);
break;
case IDC_ADVANCED:
if (MXUD_ADVANCED(pmxud) && !(pmxud->dwStyle & MXUD_STYLEF_SMALL))
Volume_SetControl(pmxud, hctl, iMixerLine, MIXUI_ADVANCED);
break;
case IDC_MULTICHANNEL:
Volume_SetControl(pmxud, hctl, iMixerLine, MIXUI_MULTICHANNEL);
break;
}
}
/*
* Volume_GetLineItem
*
* - Helper function.
* */
HWND Volume_GetLineItem(
HWND hdlg,
DWORD iLine,
DWORD idCtrl)
{
HWND hwnd;
DWORD id;
id = (iLine * IDOFFSET) + idCtrl;
hwnd = GetDlgItem(hdlg, id);
return hwnd;
}
/* - - - - - - - - - */
/*
* Volume_TimeProc
*
* This is the callback for the periodic timer that does updates for
* controls that need to be polled. We only allocate one per app to keep
* the number of callbacks down.
*/
void CALLBACK Volume_TimeProc(
UINT idEvent,
UINT uReserved,
DWORD_PTR dwUser,
DWORD_PTR dwReserved1,
DWORD_PTR dwReserved2)
{
PMIXUIDIALOG pmxud = (PMIXUIDIALOG)dwUser;
if (!(pmxud->dwFlags & MXUD_FLAGSF_USETIMER))
return;
if (pmxud->cTimeInQueue < 5)
{
pmxud->cTimeInQueue++;
PostMessage(pmxud->hwnd, MYWM_TIMER, 0, 0L);
}
}
#define PROPATOM TEXT("dingprivprop")
const TCHAR gszDingPropAtom[] = PROPATOM;
#define SETPROP(x,y) SetProp((x), gszDingPropAtom, (HANDLE)(y))
#define GETPROP(x) (PMIXUIDIALOG)GetProp((x), gszDingPropAtom)
#define REMOVEPROP(x) RemoveProp(x,gszDingPropAtom)
LRESULT CALLBACK Volume_TrayVolProc(
HWND hwnd,
UINT umsg,
WPARAM wParam,
LPARAM lParam)
{
PMIXUIDIALOG pmxud = (PMIXUIDIALOG)GETPROP(hwnd);
static const TCHAR cszDefSnd[] = TEXT(".Default");
if (umsg == WM_KILLFOCUS)
{
//
// if we've just been made inactive via keyboard, clear the signal
//
pmxud->dwTrayInfo &= ~MXUD_TRAYINFOF_SIGNAL;
}
if (umsg == WM_KEYUP && (pmxud->dwTrayInfo & MXUD_TRAYINFOF_SIGNAL))
{
if (wParam == VK_UP || wParam == VK_DOWN || wParam == VK_END ||
wParam == VK_HOME || wParam == VK_LEFT || wParam == VK_RIGHT ||
wParam == VK_PRIOR || wParam == VK_NEXT || wParam == VK_SPACE)
{
PlaySound(cszDefSnd, NULL, SND_ASYNC | SND_ALIAS);
pmxud->dwTrayInfo &= ~MXUD_TRAYINFOF_SIGNAL;
}
}
if (umsg == WM_LBUTTONUP && (pmxud->dwTrayInfo & MXUD_TRAYINFOF_SIGNAL))
{
PlaySound(cszDefSnd, NULL, SND_ASYNC | SND_ALIAS);
pmxud->dwTrayInfo &= ~MXUD_TRAYINFOF_SIGNAL;
}
return CallWindowProc(pmxud->lpfnTrayVol, hwnd, umsg, wParam, lParam);
}
#if(WINVER >= 0x040A)
void DeviceChange_Cleanup()
{
if (DeviceEventContext)
{
UnregisterDeviceNotification(DeviceEventContext);
DeviceEventContext = 0;
}
bUseHandle = FALSE;
return;
}
/*
**************************************************************************************************
GetDeviceHandle()
given a mixerID this functions opens its corresponding device handle. This handle can be used
to register for DeviceNotifications.
dwMixerID -- The mixer ID
phDevice -- a pointer to a handle. This pointer will hold the handle value if the function is
successful
return values -- If the handle could be obtained successfully the return vlaue is TRUE.
**************************************************************************************************
*/
BOOL GetDeviceHandle(DWORD dwMixerID, HANDLE *phDevice)
{
MMRESULT mmr;
ULONG cbSize=0;
TCHAR *szInterfaceName=NULL;
//Query for the Device interface name
mmr = mixerMessage((HMIXER)ULongToPtr(dwMixerID), DRV_QUERYDEVICEINTERFACESIZE, (DWORD_PTR)&cbSize, 0L);
if(MMSYSERR_NOERROR == mmr)
{
szInterfaceName = (TCHAR *)GlobalAllocPtr(GHND, (cbSize+1)*sizeof(TCHAR));
if(!szInterfaceName)
{
return FALSE;
}
mmr = mixerMessage((HMIXER)ULongToPtr(dwMixerID), DRV_QUERYDEVICEINTERFACE, (DWORD_PTR)szInterfaceName, cbSize);
if(MMSYSERR_NOERROR != mmr)
{
GlobalFreePtr(szInterfaceName);
return FALSE;
}
}
else
{
return FALSE;
}
//Get an handle on the device interface name.
*phDevice = CreateFile(szInterfaceName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
GlobalFreePtr(szInterfaceName);
if(INVALID_HANDLE_VALUE == *phDevice)
{
return FALSE;
}
return TRUE;
}
/* DeviceChange_Init()
* First time initialization for WM_DEVICECHANGE messages
*
* On NT 5.0, you have to register for device notification
*/
BOOL DeviceChange_Init(HWND hWnd, DWORD dwMixerID)
{
DEV_BROADCAST_HANDLE DevBrodHandle;
DEV_BROADCAST_DEVICEINTERFACE dbi;
HANDLE hMixerDevice;
MMRESULT mmr;
//If we had registered already for device notifications, unregister ourselves.
DeviceChange_Cleanup();
//If we get the device handle register for device notifications on it.
if(GetDeviceHandle(dwMixerID, &hMixerDevice))
{
memset(&DevBrodHandle, 0, sizeof(DEV_BROADCAST_HANDLE));
DevBrodHandle.dbch_size = sizeof(DEV_BROADCAST_HANDLE);
DevBrodHandle.dbch_devicetype = DBT_DEVTYP_HANDLE;
DevBrodHandle.dbch_handle = hMixerDevice;
DeviceEventContext = RegisterDeviceNotification(hWnd, &DevBrodHandle,
DEVICE_NOTIFY_WINDOW_HANDLE);
if(hMixerDevice)
{
CloseHandle(hMixerDevice);
hMixerDevice = NULL;
}
if(DeviceEventContext)
{
bUseHandle = TRUE;
return TRUE;
}
}
if(!DeviceEventContext)
{
//Register for notifications from all audio devices. KSCATEGORY_AUDIO gives notifications
//on device arrival and removal. We cannot identify which device the notification has arrived for
//but we can take some precautionary measures on these messages so that we do not crash.
dbi.dbcc_size = sizeof(DEV_BROADCAST_DEVICEINTERFACE);
dbi.dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
dbi.dbcc_reserved = 0;
dbi.dbcc_classguid = KSCATEGORY_AUDIO;
dbi.dbcc_name[0] = TEXT('\0');
DeviceEventContext = RegisterDeviceNotification(hWnd,
(PVOID)&dbi,
DEVICE_NOTIFY_WINDOW_HANDLE);
if(!DeviceEventContext)
return FALSE;
}
return TRUE;
}
#endif /* WINVER >= 0x040A */
//fixes bug where controls are lopped off on high-contract extra-large modes
void AdjustForStatusBar(PMIXUIDIALOG pmxud)
{
RECT statusrect, windowrect;
statusrect.bottom = 0;
statusrect.top = 0;
if (pmxud)
{
if (pmxud->hStatus)
{
GetClientRect(pmxud->hStatus,&statusrect);
GetWindowRect(pmxud->hwnd,&windowrect);
if (statusrect.bottom - statusrect.top > 20)
{
int y_adjustment = (statusrect.bottom - statusrect.top) - 20;
MoveWindow(pmxud->hwnd, windowrect.left, windowrect.top, windowrect.right - windowrect.left,
(windowrect.bottom - windowrect.top) + y_adjustment, FALSE );
GetClientRect(pmxud->hwnd,&windowrect);
MoveWindow(pmxud->hStatus, statusrect.left, windowrect.bottom - (statusrect.bottom - statusrect.top), statusrect.right - statusrect.left,
statusrect.bottom - statusrect.top, FALSE );
}
} //end if hStatus is valid
} //end if pmxud is not null
}
/*
*
* */
BOOL Volume_Init(
PMIXUIDIALOG pmxud)
{
DWORD iLine, ictrl;
RECT rc, rcWnd;
if (!Mixer_Init(pmxud) && !Nonmixer_Init(pmxud))
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
//
// For all line controls, make sure we initialize the values.
//
for (iLine = 0; iLine < pmxud->cmxul; iLine++)
{
//
// init the ui control
//
Volume_InitLine(pmxud, iLine);
for (ictrl = MIXUI_FIRST; ictrl <= MIXUI_LAST; ictrl++)
{
PMIXUICTRL pmxc = &pmxud->amxul[iLine].acr[ictrl];
//
// set initial settings
//
if (pmxc->state == MIXUI_CONTROL_INITIALIZED)
Volume_GetControl(pmxud, pmxc->hwnd, iLine, ictrl);
}
}
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
RECT rcBase;
HWND hBase;
RECT rcAdv,rcBorder;
HWND hAdv,hBorder;
DWORD i;
LONG lPrev;
POINT pos;
HMENU hmenu;
HMONITOR hMonitor;
MONITORINFO monitorInfo;
if (GetWindowRect(pmxud->hwnd, &rcWnd))
{
if (pmxud->cmxul == 1)
{
// Adjust size if small
if (pmxud->dwStyle & MXUD_STYLEF_SMALL)
rcWnd.right -= 20;
ShowWindow(GetDlgItem(pmxud->hwnd, IDC_BORDER), SW_HIDE);
}
if (!Volume_GetSetRegistryRect(pmxud->szMixer
, pmxud->szDestination
, &rc
, GET))
{
rc.left = rcWnd.left;
rc.top = rcWnd.top;
}
else
{
// Check if the rect is visible is any of the monitors
if (!MonitorFromRect(&rc, MONITOR_DEFAULTTONULL))
{
//The window is not visible. Let's center it in the nearest monitor.
//Note: the window could be in this state if (1) the display mode was changed from
//a high-resolution to a lower resolution, with the mixer in the corner. Or,
//(2) the multi-mon configuration was rearranged.
hMonitor = MonitorFromRect(&rc, MONITOR_DEFAULTTONEAREST);
if (hMonitor)
{
monitorInfo.cbSize = sizeof(MONITORINFO);
if (GetMonitorInfo(hMonitor, &monitorInfo))
{
rc.left = ((monitorInfo.rcWork.right - monitorInfo.rcWork.left) - (rcWnd.right - rcWnd.left)) / 2; //center in x
rc.top = ((monitorInfo.rcWork.bottom - monitorInfo.rcWork.top) - (rcWnd.bottom - rcWnd.top)) / 3; //and a little towards the top
}
}
}
//else, the window is visible, so let's leave the (x,y) as read from the settings
}
//
// Adjusted bottom to match switch bottom
//
if (!(pmxud->dwStyle & MXUD_STYLEF_SMALL))
{
hBase = GetDlgItem(pmxud->hwnd, IDC_SWITCH);
if (hBase && GetWindowRect(hBase, &rcBase))
{
rcWnd.bottom = rcBase.bottom;
}
//
// Adjusted bottom to match "Advanced" bottom
//
if (MXUD_ADVANCED(pmxud))
{
hAdv = GetDlgItem(pmxud->hwnd, IDC_ADVANCED);
if (hAdv && GetWindowRect(hAdv, &rcAdv))
{
lPrev = rcWnd.bottom;
rcWnd.bottom = rcAdv.bottom;
//
// Adjust height of all border lines
//
lPrev = rcWnd.bottom - lPrev;
for (i = 0; i < pmxud->cmxul; i++)
{
hBorder = GetDlgItem(pmxud->hwnd,
IDC_BORDER+(IDOFFSET*i));
if (hBorder && GetWindowRect(hBorder, &rcBorder))
{
MapWindowPoints(NULL, pmxud->hwnd, (LPPOINT)&rcBorder, 2);
pos.x = rcBorder.left;
pos.y = rcBorder.top;
MoveWindow(hBorder
, pos.x
, pos.y
, rcBorder.right - rcBorder.left
, (rcBorder.bottom - rcBorder.top) + lPrev
, TRUE );
}
}
}
}
//
// Allocate some more space.
//
rcWnd.bottom += 28;
}
MoveWindow(pmxud->hwnd, rc.left, rc.top, rcWnd.right - rcWnd.left,
rcWnd.bottom - rcWnd.top, FALSE );
//
// Tack on the status bar after resizing the dialog
//
//init status bar hwnd variable
pmxud->hStatus = NULL;
if (pmxud->dwStyle & MXUD_STYLEF_STATUS)
{
MapWindowPoints(NULL, pmxud->hwnd, (LPPOINT)&rcWnd, 2);
pos.x = rcWnd.left;
pos.y = rcWnd.bottom;
pmxud->hStatus = CreateWindowEx ( gfIsRTL ? WS_EX_LEFTSCROLLBAR | WS_EX_RIGHT | WS_EX_RTLREADING : 0
, STATUSCLASSNAME
, TEXT ("X")
, WS_VISIBLE | WS_CHILD
, 0
, pos.y
, rcWnd.right - rcWnd.left
, 14
, pmxud->hwnd
, NULL
, pmxud->hInstance
, NULL);
if (pmxud->hStatus)
{
SendMessage(pmxud->hStatus, WM_SETTEXT, 0,
(LPARAM)(LPVOID)(LPTSTR)pmxud->szMixer);
}
else
pmxud->dwStyle ^= MXUD_STYLEF_STATUS;
}
AdjustForStatusBar(pmxud);
hmenu = GetMenu(pmxud->hwnd);
CheckMenuItem(hmenu, IDM_ADVANCED, MF_BYCOMMAND
| ((pmxud->dwStyle & MXUD_STYLEF_ADVANCED)?MF_CHECKED:MF_UNCHECKED));
if (pmxud->dwStyle & MXUD_STYLEF_SMALL || pmxud->dwFlags & MXUD_FLAGSF_NOADVANCED)
EnableMenuItem(hmenu, IDM_ADVANCED, MF_BYCOMMAND | MF_GRAYED);
}
if (pmxud->dwFlags & MXUD_FLAGSF_USETIMER)
{
pmxud->cTimeInQueue = 0;
pmxud->uTimerID = timeSetEvent(100
, 50
, Volume_TimeProc
, (DWORD_PTR)pmxud
, TIME_PERIODIC);
if (!pmxud->uTimerID)
pmxud->dwFlags &= ~MXUD_FLAGSF_USETIMER;
}
}
else
{
WNDPROC lpfnOldTrayVol;
HWND hVol;
hVol = pmxud->amxul[0].acr[MIXUI_VOLUME].hwnd;
lpfnOldTrayVol = SubclassWindow(hVol, Volume_TrayVolProc);
if (lpfnOldTrayVol)
{
pmxud->lpfnTrayVol = lpfnOldTrayVol;
SETPROP(hVol, pmxud);
}
}
#if(WINVER >= 0x040A)
//Register for WM_DEVICECHANGE messages
DeviceChange_Init(pmxud->hwnd, pmxud->mxid);
#endif /* WINVER >= 0x040A */
return TRUE;
}
/*
* Volume_OnInitDialog
*
* - Process WM_INITDIALOG
*
* */
BOOL Volume_OnInitDialog(
HWND hwnd,
HWND hwndFocus,
LPARAM lParam)
{
PMIXUIDIALOG pmxud;
HWND hwndChild;
RECT rc;
//
// set app instance data
//
SETMIXUIDIALOG(hwnd, lParam);
pmxud = (PMIXUIDIALOG)(LPVOID)lParam;
pmxud->hwnd = hwnd;
if (!Volume_Init(pmxud))
{
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
}
else
{
if (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
PostMessage(hwnd, MYWM_WAKEUP, 0, 0);
}
//
// If we are so big that we need a scroll bar, then make one.
//
rc.top = rc.bottom = 0;
rc.left = 60; // typical width of a dialog template
rc.right = Dlg_HorizSize(pmxud->lpDialog);
MapDialogRect(hwnd, &rc);
pmxud->cxDlgContent = rc.right;
pmxud->cxScroll = rc.left;
pmxud->xOffset = 0;
GetClientRect(hwnd, &rc);
pmxud->xOffset = 0;
pmxud->cxDlgWidth = rc.right;
if (rc.right < pmxud->cxDlgContent)
{
RECT rcWindow;
SCROLLINFO si;
LONG lStyle = GetWindowStyle(hwnd);
SetWindowLong(hwnd, GWL_STYLE, lStyle | WS_HSCROLL);
si.cbSize = sizeof(si);
si.fMask = SIF_PAGE | SIF_RANGE;
si.nMin = 0;
si.nMax = pmxud->cxDlgContent - 1; // endpoint is inclusive
si.nPage = rc.right;
SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
// Grow the dialog to accomodate the scrollbar
GetWindowRect(hwnd, &rcWindow);
SetWindowPos(hwnd, NULL, 0, 0, rcWindow.right - rcWindow.left,
rcWindow.bottom - rcWindow.top + GetSystemMetrics(SM_CYHSCROLL),
SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE |
SWP_NOOWNERZORDER | SWP_NOZORDER);
}
//
// If we are the tray master, don't ask to set focus
//
return (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER));
}
/*
* Volume_OnDestroy
*
* Shut down this dialog. DO NOT TOUCH the hmixer!
*
* */
void Volume_OnDestroy(
HWND hwnd)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
DeviceChange_Cleanup();
if (!pmxud)
return;
if (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
{
HWND hVol;
hVol = pmxud->amxul[0].acr[MIXUI_VOLUME].hwnd;
SubclassWindow(hVol, pmxud->lpfnTrayVol);
REMOVEPROP(hVol);
}
Volume_Cleanup(pmxud);
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
//
// save window position
//
if (!IsIconic(hwnd))
{
RECT rc;
GetWindowRect(hwnd, &rc);
Volume_GetSetRegistryRect(pmxud->szMixer
, pmxud->szDestination
, &rc
, SET);
}
}
if (pmxud->dwReturn == MIXUI_RESTART)
PostMessage(pmxud->hParent, MYWM_RESTART, 0, (LPARAM)pmxud);
else
PostMessage(pmxud->hParent, WM_CLOSE, 0, 0L);
}
/*
* Volume_SetControl
*
* Update system controls from visual controls
*
* */
void Volume_SetControl(
PMIXUIDIALOG pmxud,
HWND hctl,
int imxul,
int itype)
{
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
Mixer_SetControl(pmxud, hctl, imxul, itype);
else
Nonmixer_SetControl(pmxud, hctl, imxul, itype);
}
/*
* Volume_GetControl
*
* Update visual controls from system controls
* */
void Volume_GetControl(
PMIXUIDIALOG pmxud,
HWND hctl,
int imxul,
int itype)
{
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
Mixer_GetControl(pmxud, hctl, imxul, itype);
else
Nonmixer_GetControl(pmxud, hctl, imxul, itype);
}
extern DWORD GetWaveOutID(BOOL *pfPreferred);
/*
* Volume_PlayDefaultSound
*
* Play the default sound on the current mixer
*
* */
void Volume_PlayDefaultSound (PMIXUIDIALOG pmxud)
{
/*
// TODO: Implement for all master volumes. Convert mixerid to wave id then
// use wave API to play the file
TCHAR szDefSnd[MAX_PATH];
long lcb = sizeof (szDefSnd);
// Get the default sound filename
if (ERROR_SUCCESS != RegQueryValue (HKEY_CURRENT_USER, REGSTR_PATH_APPS_DEFAULT TEXT("\\.Default\\.Current"), szDefSnd, &lcb) ||
0 >= lstrlen (szDefSnd))
return;
*/
DWORD dwWave = GetWaveOutID (NULL);
UINT uiMixID;
// Check Parameter
if (!pmxud)
return;
// Play the sound only if we are on the default mixer...
if (MMSYSERR_NOERROR == mixerGetID (ULongToPtr(dwWave), &uiMixID, MIXER_OBJECTF_WAVEOUT) &&
pmxud -> mxid == uiMixID)
{
static const TCHAR cszDefSnd[] = TEXT(".Default");
PlaySound(cszDefSnd, NULL, SND_ASYNC | SND_ALIAS);
}
}
/*
* Volume_ScrollTo
*
* Move the scrollbar position.
*/
void Volume_ScrollTo(
PMIXUIDIALOG pmxud,
int pos
)
{
RECT rc;
/*
* Keep in range.
*/
pos = max(pos, 0);
pos = min(pos, pmxud->cxDlgContent - pmxud->cxDlgWidth);
/*
* Scroll the window contents accordingly. But don't scroll
* the status bar.
*/
GetClientRect(pmxud->hwnd, &rc);
if (pmxud->hStatus)
{
RECT rcStatus;
GetWindowRect(pmxud->hStatus, &rcStatus);
MapWindowRect(NULL, pmxud->hwnd, &rcStatus);
SubtractRect(&rc, &rc, &rcStatus);
}
rc.left = -pmxud->cxDlgContent;
rc.right = pmxud->cxDlgContent;
ScrollWindowEx(pmxud->hwnd, pmxud->xOffset - pos, 0,
&rc, NULL, NULL, NULL,
SW_ERASE | SW_INVALIDATE | SW_SCROLLCHILDREN);
pmxud->xOffset = pos;
/*
* Move the scrollbar to match.
*/
SetScrollPos(pmxud->hwnd, SB_HORZ, pos, TRUE);
}
/*
* Volume_ScrollContent
*
* Process scroll bar messages for the dialog itself.
*/
void Volume_ScrollContent(
PMIXUIDIALOG pmxud,
UINT code,
int pos
)
{
switch (code) {
case SB_LINELEFT:
Volume_ScrollTo(pmxud, pmxud->xOffset - pmxud->cxScroll);
break;
case SB_LINERIGHT:
Volume_ScrollTo(pmxud, pmxud->xOffset + pmxud->cxScroll);
break;
case SB_PAGELEFT:
Volume_ScrollTo(pmxud, pmxud->xOffset - pmxud->cxDlgWidth);
break;
case SB_PAGERIGHT:
Volume_ScrollTo(pmxud, pmxud->xOffset + pmxud->cxDlgWidth);
break;
case SB_LEFT:
Volume_ScrollTo(pmxud, 0);
break;
case SB_RIGHT:
Volume_ScrollTo(pmxud, MAXLONG);
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
Volume_ScrollTo(pmxud, pos);
break;
}
}
/*
* Volume_OnXScroll
*
* Process Scroll bar messages
*
* */
void Volume_OnXScroll(
HWND hwnd,
HWND hwndCtl,
UINT code,
int pos)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
UINT id;
int ictl;
int iline;
// If this is a scroll message from the dialog itself, then we need
// to scroll our content.
if (hwndCtl == NULL)
{
Volume_ScrollContent(pmxud, code, pos);
return;
}
id = GetDlgCtrlID(hwndCtl);
iline = id/IDOFFSET - 1;
ictl = ((id % IDOFFSET) + IDC_MIXERCONTROLS == IDC_BALANCE)
? MIXUI_BALANCE : MIXUI_VOLUME;
Volume_SetControl(pmxud, hwndCtl, iline, ictl);
//
// Make sure a note gets played
//
if (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
pmxud->dwTrayInfo |= MXUD_TRAYINFOF_SIGNAL;
// Play a sound on for the master volume or balance slider when the
// user ends the scroll and we are still in focus and the topmost app.
if (code == SB_ENDSCROLL && pmxud && !(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER) &&
pmxud->amxul[iline].pvcd &&
(MXUL_STYLEF_DESTINATION & pmxud->amxul[iline].dwStyle)
&& hwndCtl == GetFocus() && hwnd == GetForegroundWindow ())
{
Volume_PlayDefaultSound (pmxud);
}
}
/*
* Volume_OnMyTimer
*
* Frequent update timer for meters
* */
void Volume_OnMyTimer(
HWND hwnd)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
if (!pmxud)
return;
if (pmxud->cTimeInQueue > 0)
pmxud->cTimeInQueue--;
if (!(pmxud->dwFlags & MXUD_FLAGSF_USETIMER))
return;
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
Mixer_PollingUpdate(pmxud);
else
Nonmixer_PollingUpdate(pmxud);
}
/*
* Volume_OnTimer
*
* Infrequent update timer for tray shutdown
* */
void Volume_OnTimer(
HWND hwnd,
UINT id)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
KillTimer(hwnd, VOLUME_TRAYSHUTDOWN_ID);
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
}
/*
* Volume_OnMixmControlChange
*
* Handle control changes
*
* */
void Volume_OnMixmControlChange(
HWND hwnd,
HMIXER hmx,
DWORD dwControlID)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
Mixer_GetControlFromID(pmxud, dwControlID);
}
/*
* Volume_EnableLine
*
* Enable/Disable a line
*
* */
void Volume_EnableLine(
PMIXUIDIALOG pmxud,
DWORD iLine,
BOOL fEnable)
{
DWORD iCtrl;
PMIXUICTRL pmxc;
for (iCtrl = MIXUI_FIRST; iCtrl <= MIXUI_LAST; iCtrl++ )
{
pmxc = &pmxud->amxul[iLine].acr[iCtrl];
if (pmxc->state == MIXUI_CONTROL_INITIALIZED)
EnableWindow(pmxc->hwnd, fEnable);
}
pmxud->amxul[iLine].dwStyle ^= MXUL_STYLEF_DISABLED;
}
/*
* Volume_InitLine
*
* Initialize the UI controls for the dialog
*
* */
void Volume_InitLine(
PMIXUIDIALOG pmxud,
DWORD iLine)
{
HWND ctrl;
PMIXUICTRL pmxc;
//
// Peakmeter control
//
pmxc = &pmxud->amxul[iLine].acr[MIXUI_VUMETER];
ctrl = Volume_GetLineItem(pmxud->hwnd, iLine, IDC_VUMETER);
pmxc->hwnd = ctrl;
if (! (pmxc->state == MIXUI_CONTROL_ENABLED) )
{
if (ctrl)
ShowWindow(ctrl, SW_HIDE);
}
else if (ctrl)
{
HWND hvol;
SendMessage(ctrl, VU_SETRANGEMAX, 0, VOLUME_TICS);
SendMessage(ctrl, VU_SETRANGEMIN, 0, 0);
hvol = Volume_GetLineItem(pmxud->hwnd, iLine, IDC_VOLUME);
if (hvol)
{
RECT rc;
POINT pos;
GetWindowRect(hvol, &rc);
MapWindowPoints(NULL, pmxud->hwnd, (LPPOINT)&rc, 2);
pos.x = rc.left;
pos.y = rc.top;
MoveWindow(hvol
, pos.x - 15
, pos.y
, rc.right - rc.left
, rc.bottom - rc.top
, FALSE);
}
//
// Signal use of update timer
//
pmxud->dwFlags |= MXUD_FLAGSF_USETIMER;
pmxc->state = MIXUI_CONTROL_INITIALIZED;
}
else
pmxc->state = MIXUI_CONTROL_UNINITIALIZED;
//
// Balance control
//
pmxc = &pmxud->amxul[iLine].acr[MIXUI_BALANCE];
ctrl = Volume_GetLineItem(pmxud->hwnd, iLine, IDC_BALANCE);
pmxc->hwnd = ctrl;
if (ctrl)
{
SendMessage(ctrl, TBM_SETRANGE, 0, MAKELONG(0, 64));
SendMessage(ctrl, TBM_SETTICFREQ, 32, 0 );
SendMessage(ctrl, TBM_SETPOS, TRUE, 32);
if (pmxc->state != MIXUI_CONTROL_ENABLED)
{
EnableWindow(ctrl, FALSE);
}
else
pmxc->state = MIXUI_CONTROL_INITIALIZED;
}
else
pmxc->state = MIXUI_CONTROL_UNINITIALIZED;
//
// Volume control
//
pmxc = &pmxud->amxul[iLine].acr[MIXUI_VOLUME];
ctrl = Volume_GetLineItem(pmxud->hwnd, iLine, IDC_VOLUME);
pmxc->hwnd = ctrl;
if (ctrl)
{
SendMessage(ctrl, TBM_SETRANGE, 0, MAKELONG(0, VOLUME_TICS));
SendMessage(ctrl, TBM_SETTICFREQ, (VOLUME_TICS + 5)/6, 0 );
if (pmxc->state != MIXUI_CONTROL_ENABLED)
{
SendMessage(ctrl, TBM_SETPOS, TRUE, 128);
EnableWindow(ctrl, FALSE);
}
else
pmxc->state = MIXUI_CONTROL_INITIALIZED;
}
else
pmxc->state = MIXUI_CONTROL_UNINITIALIZED;
//
// Switch
//
pmxc = &pmxud->amxul[iLine].acr[MIXUI_SWITCH];
ctrl = Volume_GetLineItem(pmxud->hwnd, iLine, IDC_SWITCH);
pmxc->hwnd = ctrl;
if (ctrl)
{
if (pmxc->state != MIXUI_CONTROL_ENABLED)
EnableWindow(ctrl, FALSE);
else
pmxc->state = MIXUI_CONTROL_INITIALIZED;
}
else
pmxc->state = MIXUI_CONTROL_UNINITIALIZED;
}
/*
* Volume_OnMixmLineChange
*
* */
void Volume_OnMixmLineChange(
HWND hwnd,
HMIXER hmx,
DWORD dwLineID)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
DWORD iLine;
for (iLine = 0; iLine < pmxud->cmxul; iLine++)
{
if ( dwLineID == pmxud->amxul[iLine].pvcd->dwLineID )
{
MIXERLINE ml;
MMRESULT mmr;
BOOL fEnable;
ml.cbStruct = sizeof(ml);
ml.dwLineID = dwLineID;
mmr = mixerGetLineInfo((HMIXEROBJ)hmx, &ml, MIXER_GETLINEINFOF_LINEID);
if (mmr != MMSYSERR_NOERROR)
{
fEnable = !(ml.fdwLine & MIXERLINE_LINEF_DISCONNECTED);
Volume_EnableLine(pmxud, iLine, fEnable);
}
}
}
}
/*
* Volume_OnActivate
*
* Important for tray volume only. Dismisses the dialog and starts an
* expiration timer.
*
* */
void Volume_OnActivate(
HWND hwnd,
UINT state,
HWND hwndActDeact,
BOOL fMinimized)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
return;
}
if (state != WA_INACTIVE)
{
fCanDismissWindow = TRUE;
}
else if (fCanDismissWindow)
{
PostMessage(hwnd, WM_CLOSE, 0, 0L);
/*
DWORD dwTimeout = 5 * 60 * 1000;
fCanDismissWindow = FALSE;
ShowWindow(hwnd, SW_HIDE);
//
// Set expiration timer. If no one adjusts the volume, make the
// application go away after 5 minutes.
//
dwTimeout = Volume_GetTrayTimeout(dwTimeout);
SetTimer(hwnd, VOLUME_TRAYSHUTDOWN_ID, dwTimeout, NULL);
*/
}
}
/*
* Volume_PropogateMessage
*
* WM_SYSCOLORCHANGE needs to be send to all child windows (esp. trackbars)
*/
void Volume_PropagateMessage(
HWND hwnd,
UINT uMessage,
WPARAM wParam,
LPARAM lParam)
{
HWND hwndChild;
for (hwndChild = GetWindow(hwnd, GW_CHILD); hwndChild != NULL;
hwndChild = GetWindow(hwndChild, GW_HWNDNEXT))
{
SendMessage(hwndChild, uMessage, wParam, lParam);
}
}
/*
* Volume_OnPaint
*
* Handle custom painting
* */
void Volume_OnPaint(HWND hwnd)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
RECT rc;
POINT pos;
PAINTSTRUCT ps;
HDC hdc;
hdc = BeginPaint(hwnd, &ps);
//
// for all styles other than the tray master, draw an etched
// line to delinate the menu area
//
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
GetClientRect(hwnd, &rc);
rc.bottom = 0;
DrawEdge(hdc, &rc, EDGE_ETCHED, BF_TOP);
EndPaint(hwnd, &ps);
return;
}
//
// for the tray master, draw some significant icon to indicate
// volume
//
GetWindowRect(GetDlgItem(hwnd, IDC_VOLUMECUE), &rc);
MapWindowPoints(NULL, hwnd, (LPPOINT)&rc, 2);
DrawEdge(hdc, &rc, BDR_RAISEDINNER, BF_DIAGONAL|BF_TOP|BF_LEFT);
DrawEdge(hdc, &rc, BDR_RAISEDINNER, BF_TOP);
rc.bottom -= 8;
DrawEdge(hdc, &rc, BDR_RAISEDINNER, BF_RIGHT);
EndPaint(hwnd, &ps);
}
/*
* Volume_OnClose
*
* */
void Volume_OnClose(
HWND hwnd)
{
DestroyWindow(hwnd);
}
/*
* Volume_OnEndSession
*
* */
void Volume_OnEndSession(
HWND hwnd,
BOOL fEnding)
{
if (!fEnding)
return;
//
// Be sure to call the close code to free open handles
//
Volume_OnClose(hwnd);
}
#define V_DC_STATEF_PENDING 0x00000001
#define V_DC_STATEF_REMOVING 0x00000002
#define V_DC_STATEF_ARRIVING 0x00000004
/*
* Volume_OnDeviceChange
*
* */
void Volume_OnDeviceChange(
HWND hwnd,
WPARAM wParam,
LPARAM lParam)
{
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
MMRESULT mmr;
UINT uMxID;
PDEV_BROADCAST_DEVICEINTERFACE bdi = (PDEV_BROADCAST_DEVICEINTERFACE)lParam;
PDEV_BROADCAST_HANDLE bh = (PDEV_BROADCAST_HANDLE)lParam;
//
// Determine if this is our event.
//
if(!DeviceEventContext)
return;
//If we have an handle on the device then we get a DEV_BROADCAST_HDR structure as the lParam.
//Or else it means that we have registered for the general audio category KSCATEGORY_AUDIO.
if(bUseHandle)
{
if(!bh ||
bh->dbch_devicetype != DBT_DEVTYP_HANDLE)
{
return;
}
}
else if (!bdi ||
bdi->dbcc_devicetype != DBT_DEVTYP_DEVICEINTERFACE ||
!IsEqualGUID(&KSCATEGORY_AUDIO, &bdi->dbcc_classguid) ||
!(*bdi->dbcc_name)
)
{
return;
}
switch (wParam)
{
case DBT_DEVICEQUERYREMOVE:
//The mixer has to be shutdown now.
//Posting a WM_CLOSE message as Volume_EndDialog does will not help.
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
Mixer_Shutdown(pmxud);
else
Nonmixer_Shutdown(pmxud);
// Don't attempt restart, just exit. The wavemapper is not
// updated with the new default device, so do not know what
// to restart as and we should NOT hardcode device #0!
// pmxud->mxid = (DWORD) 0;
// GetDestination(pmxud->mxid, &pmxud->iDest);
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
return;
case DBT_DEVICEQUERYREMOVEFAILED: // The query failed, the device will not be removed, so lets reopen it.
mmr = Volume_GetDefaultMixerID(&uMxID, gfRecord);
pmxud->mxid = (mmr == MMSYSERR_NOERROR)?uMxID:0;
GetDestination(pmxud->mxid, &pmxud->iDest);
Volume_EndDialog(pmxud, MIXUI_RESTART, 0);
return;
case DBT_DEVNODES_CHANGED:
//
// We cannot reliably determine the final state of the devices in
// the system until this message is broadcast.
//
if (pmxud->dwDeviceState & V_DC_STATEF_PENDING)
{
pmxud->dwDeviceState ^= V_DC_STATEF_PENDING;
break;
}
return;
case DBT_DEVICEREMOVECOMPLETE:
//The mixer has to be shutdown now.
//Posting a WM_CLOSE message as Volume_EndDialog does will not help.
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
Mixer_Shutdown(pmxud);
else
Nonmixer_Shutdown(pmxud);
//A DBT_DEVICEQUERYREMOVE is not guaranteed before a DBT_DEVICEREMOVECOMPLETE.
//There should be a check here to see if this message is meant for this device.
//We do not know a way of doing that right now.
// Don't attempt restart, just exit. The wavemapper is not
// updated with the new default device, so do not know what
// to restart as and we should NOT hardcode device #0!
// pmxud->mxid = (DWORD) 0;
// GetDestination(pmxud->mxid, &pmxud->iDest);
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
pmxud->dwDeviceState = V_DC_STATEF_PENDING
| V_DC_STATEF_REMOVING;
return;
case DBT_DEVICEARRIVAL:
//
// A devnode is being added to the system
//
pmxud->dwDeviceState = V_DC_STATEF_PENDING
| V_DC_STATEF_ARRIVING;
return;
default:
return;
}
mmr = Volume_GetDefaultMixerID(&uMxID, gfRecord);
if (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
{
if ( mmr == MMSYSERR_NOERROR
&& (pmxud->dwDeviceState & V_DC_STATEF_ARRIVING))
{
DWORD dwDevNode;
if (!mixerMessage((HMIXER)UIntToPtr(uMxID), DRV_QUERYDEVNODE
, (DWORD_PTR)&dwDevNode, 0L))
{
if (dwDevNode == pmxud->dwDevNode)
{
//
// ignore this device, it doesn't affect us
//
pmxud->dwDeviceState = 0L;
return;
}
}
}
//
// Our device state has changed. Just go away.
//
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
}
else if (pmxud->dwDeviceState & V_DC_STATEF_REMOVING)
{
//
// Restart with the default mixer if we can.
//
pmxud->mxid = (mmr == MMSYSERR_NOERROR)?uMxID:0;
GetDestination(pmxud->mxid, &pmxud->iDest);
Volume_EndDialog(pmxud, MIXUI_RESTART, 0);
}
pmxud->dwDeviceState = 0L;
}
void Volume_OnWakeup(
HWND hwnd,
WPARAM wParam)
{
POINT pos;
RECT rc, rcPopup;
LONG w,h;
LONG scrw, scrh;
HWND hTrack;
HMONITOR hMonitor;
MONITORINFO moninfo;
PMIXUIDIALOG pmxud = GETMIXUIDIALOG(hwnd);
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
return;
KillTimer(hwnd, VOLUME_TRAYSHUTDOWN_ID);
if (wParam != 0)
{
Volume_EndDialog(pmxud, MIXUI_EXIT, 0);
return;
}
//
// Make the tray volume come up.
//
//Get the current position.
GetCursorPos(&pos);
//Get the width and height of the popup.
GetWindowRect(hwnd, &rc);
w = rc.right - rc.left; //This value will always be positive as left is always lesser than right.
h = rc.bottom - rc.top; //This value will always be positive as top is always lesser than bottom.
//Initialize the rectangle for the popup. Position it so that the popup appears to the right,
//bottom of the cursor.
rcPopup.left = pos.x;
rcPopup.right = pos.x + w;
rcPopup.top = pos.y;
rcPopup.bottom = pos.y+h;
//Get the rectangle for the monitor.
hMonitor = MonitorFromPoint(pos, MONITOR_DEFAULTTONEAREST);
moninfo.cbSize = sizeof(moninfo);
GetMonitorInfo(hMonitor,&moninfo);
//If the popup rectangle is leaking off from the right of the screen. Make it appear on the
//left of the cursor.
if(rcPopup.right > moninfo.rcWork.right)
{
OffsetRect(&rcPopup, -w, 0);
}
//If the popup rectangle is leaking off from the bottom of the screen. Make it appear on top
//of the cursor.
if(rcPopup.bottom > moninfo.rcWork.bottom)
{
OffsetRect(&rcPopup, 0, -h);
}
SetWindowPos(hwnd
, HWND_TOPMOST
, rcPopup.left
, rcPopup.top
, w
, h
, SWP_SHOWWINDOW);
// make us come to the front
SetForegroundWindow(hwnd);
fCanDismissWindow = TRUE;
hTrack = GetDlgItem(hwnd, IDC_VOLUME);
if (hTrack)
SetFocus(hTrack);
}
/*
* VolumeProc
*
* */
INT_PTR CALLBACK VolumeProc(
HWND hdlg,
UINT msg,
WPARAM wparam,
LPARAM lparam)
{
switch (msg)
{
case WM_INITDIALOG:
return HANDLE_WM_INITDIALOG(hdlg, wparam, lparam, Volume_OnInitDialog);
case WM_COMMAND:
HANDLE_WM_COMMAND(hdlg, wparam, lparam, Volume_OnCommand);
break;
case WM_CLOSE:
HANDLE_WM_CLOSE(hdlg, wparam, lparam, Volume_OnClose);
break;
case WM_DESTROY:
HANDLE_WM_DESTROY(hdlg, wparam, lparam, Volume_OnDestroy);
break;
case WM_HSCROLL:
case WM_VSCROLL:
//
// balance and volume are essentially the same
//
HANDLE_WM_XSCROLL(hdlg, wparam, lparam, Volume_OnXScroll);
break;
case WM_MENUSELECT:
//Keep track of which menu bar item is currently popped up.
//This will be used for displaying the appropriate help from the mplayer.hlp file
//when the user presses the F1 key.
currMenuItem = (UINT)LOWORD(wparam);
break;
case MM_MIXM_LINE_CHANGE:
HANDLE_MM_MIXM_LINE_CHANGE(hdlg
, wparam
, lparam
, Volume_OnMixmLineChange);
return FALSE;
case MM_MIXM_CONTROL_CHANGE:
HANDLE_MM_MIXM_CONTROL_CHANGE(hdlg
, wparam
, lparam
, Volume_OnMixmControlChange);
return FALSE;
case WM_ACTIVATE:
HANDLE_WM_ACTIVATE(hdlg, wparam, lparam, Volume_OnActivate);
break;
case MYWM_TIMER:
HANDLE_MYWM_TIMER(hdlg, wparam, lparam, Volume_OnMyTimer);
break;
case WM_TIMER:
HANDLE_WM_TIMER(hdlg, wparam, lparam, Volume_OnTimer);
break;
case WM_PAINT:
HANDLE_WM_PAINT(hdlg, wparam, lparam, Volume_OnPaint);
break;
case WM_SYSCOLORCHANGE:
Volume_PropagateMessage(hdlg, msg, wparam, lparam);
break;
case WM_DEVICECHANGE:
HANDLE_WM_IDEVICECHANGE(hdlg, wparam, lparam, Volume_OnDeviceChange);
break;
case MYWM_WAKEUP:
HANDLE_MYWM_WAKEUP(hdlg, wparam, lparam, Volume_OnWakeup);
break;
case WM_ENDSESSION:
HANDLE_WM_ENDSESSION(hdlg, wparam, lparam, Volume_OnEndSession);
break;
default:
break;
}
return FALSE;
}
/*
* Volume_AddLine
*
* */
BOOL Volume_AddLine(
PMIXUIDIALOG pmxud,
LPBYTE lpAdd,
DWORD cbAdd,
DWORD dwStyle,
PVOLCTRLDESC pvcd)
{
LPBYTE pbNew;
DWORD cbNew;
PMIXUILINE pmxul;
if (pmxud->amxul)
{
pmxul = (PMIXUILINE)GlobalReAllocPtr(pmxud->amxul
, (pmxud->cmxul+1)*sizeof(MIXUILINE)
, GHND);
}
else
{
pmxul = (PMIXUILINE)GlobalAllocPtr(GHND, sizeof(MIXUILINE));
}
if (!pmxul)
return FALSE;
pbNew = Dlg_HorizAttach(pmxud->lpDialog
, pmxud->cbDialog
, lpAdd
, cbAdd
, (WORD)(IDOFFSET * pmxud->cmxul)
, &cbNew );
if (!pbNew)
{
if (!pmxud->amxul)
GlobalFreePtr(pmxul);
return FALSE;
}
pmxul[pmxud->cmxul].dwStyle = dwStyle;
pmxul[pmxud->cmxul].pvcd = pvcd;
pmxud->amxul = pmxul;
pmxud->lpDialog = pbNew;
pmxud->cbDialog = cbNew;
pmxud->cmxul ++;
return TRUE;
}
/*
* Volume_Cleanup
*
* */
void Volume_Cleanup(
PMIXUIDIALOG pmxud)
{
if (pmxud->dwFlags & MXUD_FLAGSF_USETIMER)
{
timeKillEvent(pmxud->uTimerID);
pmxud->dwFlags ^= MXUD_FLAGSF_USETIMER;
}
if (pmxud->dwFlags & MXUD_FLAGSF_BADDRIVER)
{
pmxud->dwFlags ^= MXUD_FLAGSF_BADDRIVER;
}
if (pmxud->dwFlags & MXUD_FLAGSF_NOADVANCED)
{
pmxud->dwFlags ^= MXUD_FLAGSF_NOADVANCED;
}
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
Mixer_Shutdown(pmxud);
else
Nonmixer_Shutdown(pmxud);
if (pmxud->lpDialog)
GlobalFreePtr(pmxud->lpDialog);
if (pmxud->amxul)
GlobalFreePtr(pmxud->amxul);
if (pmxud->avcd)
GlobalFreePtr(pmxud->avcd);
pmxud->amxul = NULL;
pmxud->lpDialog = NULL;
pmxud->cbDialog = 0;
pmxud->cmxul = 0;
pmxud->hwnd = NULL;
pmxud->hStatus = NULL;
pmxud->uTimerID = 0;
pmxud->dwDevNode = 0L;
FreeAppIcon ();
}
/*
* Volume_CreateVolume
* */
BOOL Volume_CreateVolume(
PMIXUIDIALOG pmxud)
{
WNDCLASS wc;
LPBYTE lpDst = NULL, lpSrc = NULL, lpMaster = NULL;
DWORD cbDst, cbSrc, cbMaster;
PVOLCTRLDESC avcd;
DWORD cvcd;
DWORD ivcd;
DWORD imxul;
DWORD dwSupport = 0L;
BOOL fAddLine = TRUE;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = GetAppIcon (pmxud->hInstance, pmxud->mxid);
wc.lpszMenuName = NULL;
wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
wc.hInstance = pmxud->hInstance;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = DefDlgProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = DLGWINDOWEXTRA;
wc.lpszClassName = (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
? gszTrayClassName : gszAppClassName;
RegisterClass(&wc);
if (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
{
lpMaster = (LPBYTE)Dlg_LoadResource(pmxud->hInstance
, MAKEINTRESOURCE(IDD_TRAYMASTER)
, &cbMaster);
if (!lpMaster)
return FALSE;
}
else
{
if (pmxud->dwStyle & MXUD_STYLEF_SMALL)
{
lpDst = (LPBYTE)Dlg_LoadResource(pmxud->hInstance
, MAKEINTRESOURCE(IDD_SMDST)
, &cbDst);
lpSrc = (LPBYTE)Dlg_LoadResource(pmxud->hInstance
, MAKEINTRESOURCE(IDD_SMSRC)
, &cbSrc);
}
else
{
lpDst = (LPBYTE)Dlg_LoadResource(pmxud->hInstance
, MAKEINTRESOURCE(IDD_DESTINATION)
, &cbDst);
lpSrc = (LPBYTE)Dlg_LoadResource(pmxud->hInstance
, MAKEINTRESOURCE(IDD_SOURCE)
, &cbSrc);
}
if (!lpDst || !lpSrc)
return FALSE;
}
pmxud->lpDialog = NULL;
pmxud->cbDialog = 0;
pmxud->amxul = NULL;
pmxud->cmxul = 0;
pmxud->avcd = NULL;
pmxud->cvcd = 0;
//
// Create the volume description
//
if (pmxud->dwFlags & MXUD_FLAGSF_MIXER)
{
HMIXER hmx;
MMRESULT mmr;
//
// Mixer API's work much more efficiently with a mixer handle...
//
mmr = mixerOpen(&hmx, pmxud->mxid, 0L, 0L, MIXER_OBJECTF_MIXER);
if(MMSYSERR_NOERROR == mmr)
{
avcd = Mixer_CreateVolumeDescription((HMIXEROBJ)hmx
, pmxud->iDest
, &cvcd);
mixerClose(hmx);
}
else
{
avcd = Mixer_CreateVolumeDescription((HMIXEROBJ)ULongToPtr(pmxud->mxid)
, pmxud->iDest
, &cvcd);
}
if (!Mixer_GetDeviceName(pmxud))
{
GlobalFreePtr(avcd);
avcd = NULL;
}
}
else
{
avcd = Nonmixer_CreateVolumeDescription(pmxud->iDest
, &cvcd);
if (!Nonmixer_GetDeviceName(pmxud))
{
GlobalFreePtr(avcd);
avcd = NULL;
}
}
//
// Create the dialog box to go along with it
//
if (avcd)
{
pmxud->avcd = avcd;
pmxud->cvcd = cvcd;
if (pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER)
{
if (!Volume_AddLine(pmxud
, lpMaster
, cbMaster
, MXUL_STYLEF_DESTINATION
, &avcd[0]))
{
return FALSE;
}
}
else
{
BOOL fFirstRun;
//
// Restore HIDDEN flags.
//
// On first run, be sure to re-save state so there's something
// there.
//
fFirstRun = !Volume_GetSetRegistryLineStates(pmxud->szMixer
, pmxud->avcd[0].szShortName
, avcd
, cvcd
, GET);
for (ivcd = 0; ivcd < cvcd; ivcd++)
{
//
// Lines are marked hidden if a state has been saved in the
// registry or no state has been saved and there are too many
// unnecessary lines.
//
if (avcd[ivcd].dwSupport & VCD_SUPPORTF_HIDDEN)
{
continue;
}
//
// Lines are marked VISIBLE if they have sufficient controls
// to be useful.
//
if (!(avcd[ivcd].dwSupport & VCD_SUPPORTF_VISIBLE))
{
continue;
}
//
// Show only defaults on first run.
//
if (fFirstRun && !(avcd[ivcd].dwSupport & VCD_SUPPORTF_DEFAULT))
{
avcd[ivcd].dwSupport |= VCD_SUPPORTF_HIDDEN;
continue;
}
//
// For those lines that have important controls, add them to
// the UI.
//
if ((pmxud->dwFlags & MXUD_FLAGSF_MIXER) && ivcd == 0 )
fAddLine = Volume_AddLine(pmxud
, lpDst
, cbDst
, MXUL_STYLEF_DESTINATION
, &avcd[ivcd]);
else
fAddLine = Volume_AddLine(pmxud
, lpSrc
, cbSrc
, MXUL_STYLEF_SOURCE
, &avcd[ivcd]);
if (!fAddLine)
{
return FALSE;
}
}
if (fFirstRun)
Volume_GetSetRegistryLineStates(pmxud->szMixer
, pmxud->avcd[0].szShortName
, avcd
, cvcd
, SET);
}
//
// Now that both arrays are now fixed, set back pointers for
// the vcd's to ui lines.
//
for (imxul = 0; imxul < pmxud->cmxul; imxul++)
{
pmxud->amxul[imxul].pvcd->pmxul = &pmxud->amxul[imxul];
//
// Accumulate support bits
//
dwSupport |= pmxud->amxul[imxul].pvcd->dwSupport;
}
//
// Support bits say we have no advanced controls, so don't make
// them available.
//
if (!(dwSupport & VCD_SUPPORTF_MIXER_ADVANCED))
{
pmxud->dwFlags |= MXUD_FLAGSF_NOADVANCED;
}
//
// Propogate bad driver bit to be app global. A bad driver was
// detected during the construction of a volume description.
//
for (ivcd = 0; ivcd < pmxud->cvcd; ivcd++)
{
if (pmxud->avcd[ivcd].dwSupport & VCD_SUPPORTF_BADDRIVER)
{
dlout("Bad Control->Line mapping. Marking bad driver.");
pmxud->dwFlags |= MXUD_FLAGSF_BADDRIVER;
break;
}
}
}
//
// Note: it isn't necessary to free/unlock the lpMaster/lpDst/lpSrc
// because they are ptr's to resources and Win32 is smart about resources
//
return (avcd != NULL);
}
/*
* Volume_DialogBox
*
* */
DWORD Volume_DialogBox(
PMIXUIDIALOG pmxud)
{
pmxud->dwReturn = MIXUI_EXIT;
if (Volume_CreateVolume(pmxud))
{
HWND hdlg;
if(NULL == pmxud->lpDialog)
{
Volume_Cleanup(pmxud);
return MIXUI_ERROR;
}
hdlg = CreateDialogIndirectParam(pmxud->hInstance
, (DLGTEMPLATE *)pmxud->lpDialog
, NULL
, VolumeProc
, (LPARAM)(LPVOID)pmxud );
if (!hdlg)
{
Volume_Cleanup(pmxud);
return MIXUI_ERROR;
}
else
{
// Unfortunately, re-registering the winclass does not re-apply any
// new icon correctly, so we must explicitly apply it here.
SendMessage (hdlg, WM_SETICON, (WPARAM) ICON_BIG,
(LPARAM) GetAppIcon (pmxud->hInstance, pmxud->mxid));
}
ShowWindow(hdlg, pmxud->nShowCmd);
}
else
{
return MIXUI_ERROR;
}
return (DWORD)(-1);
}
void DoHtmlHelp()
{
//note, using ANSI version of function because UNICODE is foobar in NT5 builds
char chDst[MAX_PATH];
WideCharToMultiByte(CP_ACP, 0, gszHtmlHelpFileName,
-1, chDst, MAX_PATH, NULL, NULL);
HtmlHelpA(GetDesktopWindow(), chDst, HH_DISPLAY_TOPIC, 0);
}
void ProcessHelp(HWND hwnd)
{
static TCHAR HelpFile[] = TEXT("SNDVOL32.HLP");
//Handle context menu help
if(bF1InMenu)
{
switch(currMenuItem)
{
case IDM_PROPERTIES:
WinHelp(hwnd, HelpFile, HELP_CONTEXTPOPUP, IDH_SNDVOL32_OPTIONS_PROPERTIES);
break;
case IDM_ADVANCED:
WinHelp(hwnd, HelpFile, HELP_CONTEXTPOPUP, IDH_SNDVOL32_OPTIONS_ADVANCED_CONTROLS);
break;
case IDM_EXIT:
WinHelp(hwnd, HelpFile, HELP_CONTEXTPOPUP, IDH_SNDVOL32_OPTIONS_EXIT);
break;
case IDM_HELPTOPICS:
WinHelp(hwnd, HelpFile, HELP_CONTEXTPOPUP, IDH_SNDVOL32_HELP_HELP_TOPICS);
break;
case IDM_HELPABOUT:
WinHelp(hwnd, HelpFile, HELP_CONTEXTPOPUP, IDH_SNDVOL32_HELP_ABOUT);
break;
default://In the default case just display the HTML Help.
DoHtmlHelp();
}
bF1InMenu = FALSE; //This flag will be set again if F1 is pressed in a menu.
}
else
DoHtmlHelp();
}
/*
* VolumeParent_WndProc
*
* A generic invisible parent window.
*
* */
LRESULT CALLBACK VolumeParent_WndProc(
HWND hwnd,
UINT msg,
WPARAM wparam,
LPARAM lparam)
{
PMIXUIDIALOG pmxud;
switch (msg)
{
case WM_CREATE:
{
LPCREATESTRUCT lpcs = (LPCREATESTRUCT)lparam;
pmxud = (PMIXUIDIALOG)lpcs->lpCreateParams;
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)pmxud);
pmxud->hParent = hwnd;
if (Volume_DialogBox(pmxud) == MIXUI_ERROR)
{
if ( !(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
if ( Volume_NumDevs() == 0 )
Volume_ErrorMessageBox(NULL, pmxud->hInstance, IDS_ERR_NODEV);
else
Volume_ErrorMessageBox(NULL, pmxud->hInstance, IDS_ERR_HARDWARE);
}
PostMessage(hwnd, WM_CLOSE, 0, 0L);
}
return 0;
}
case WM_CLOSE:
DestroyWindow(hwnd);
return 0;
case WM_DESTROY:
//
// Post-close cleanup
//
pmxud = (PMIXUIDIALOG)GetWindowLongPtr(hwnd, GWLP_USERDATA);
if (!(pmxud->dwStyle & MXUD_STYLEF_NOHELP))
WinHelp(hwnd, gszHelpFileName, HELP_QUIT, 0L);
PostQuitMessage(0);
return 0;
case MYWM_HELPTOPICS:
//
// F1 Help
//
pmxud = (PMIXUIDIALOG)GetWindowLongPtr(hwnd, GWLP_USERDATA);
if (!(pmxud->dwStyle & MXUD_STYLEF_NOHELP))
{
ProcessHelp(hwnd);
}
break;
case MYWM_RESTART:
//
// A device change or other user property change caused a UI
// change. Sending a restart to the parent prevents ugly stuff
// like WinHelp shutting down and exiting our primary message
// loop.
//
pmxud = (PMIXUIDIALOG)GetWindowLongPtr(hwnd, GWLP_USERDATA);
if (!(pmxud->dwStyle & MXUD_STYLEF_TRAYMASTER))
{
if (Volume_NumDevs() == 0)
{
Volume_ErrorMessageBox(NULL
, pmxud->hInstance
, IDS_ERR_NODEV);
PostMessage(hwnd, WM_CLOSE, 0, 0L);
}
else if (Volume_DialogBox((PMIXUIDIALOG)lparam) == MIXUI_ERROR)
{
Volume_ErrorMessageBox(NULL
, pmxud->hInstance
, IDS_ERR_HARDWARE);
PostMessage(hwnd, WM_CLOSE, 0, 0L);
}
}
else
{
if (Mixer_GetNumDevs() == 0
|| Volume_DialogBox((PMIXUIDIALOG)lparam) == MIXUI_ERROR)
PostMessage(hwnd, WM_CLOSE, 0, 0L);
}
break;
default:
break;
}
return (DefWindowProc(hwnd, msg, wparam, lparam));
}
const TCHAR szNull[] = TEXT ("");
/*
* Parent Dialog
* */
HWND VolumeParent_DialogMain(
PMIXUIDIALOG pmxud)
{
WNDCLASS wc;
HWND hwnd;
wc.lpszClassName = gszParentClass;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hIcon = NULL;
wc.lpszMenuName = NULL;
wc.hbrBackground = NULL;
wc.hInstance = pmxud->hInstance;
wc.style = 0;
wc.lpfnWndProc = VolumeParent_WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
if (!RegisterClass(&wc))
return NULL;
hwnd = CreateWindow(gszParentClass
, szNull
, 0
, 0
, 0
, 0
, 0
, NULL
, NULL
, pmxud->hInstance
, (LPVOID)pmxud );
return hwnd;
}
/*
* Determines if what the recording destination ID
*/
HRESULT GetRecordingDestID(int mxid, DWORD *piDest)
{
HRESULT hr = E_FAIL;
DWORD cDest;
int iDest;
MMRESULT mmr;
MIXERCAPS mxcaps;
if (piDest)
{
*piDest = 0;
mmr = mixerGetDevCaps(mxid, &mxcaps, sizeof(MIXERCAPS));
if (mmr == MMSYSERR_NOERROR)
{
cDest = mxcaps.cDestinations;
for (iDest = cDest - 1; iDest >= 0; iDest--)
{
MIXERLINE mlDst;
mlDst.cbStruct = sizeof ( mlDst );
mlDst.dwDestination = iDest;
if (mixerGetLineInfo((HMIXEROBJ)IntToPtr(mxid), &mlDst, MIXER_GETLINEINFOF_DESTINATION) != MMSYSERR_NOERROR)
continue;
if (Mixer_IsValidRecordingDestination ((HMIXEROBJ)IntToPtr(mxid), &mlDst))
{
*piDest = iDest;
hr = S_OK;
break;
}
}
}
}
return(hr);
}
/*------------------------------------------------------+
| HelpMsgFilter - filter for F1 key in dialogs |
| |
+------------------------------------------------------*/
DWORD FAR PASCAL HelpMsgFilter(int nCode, UINT wParam, DWORD_PTR lParam)
{
if (nCode >= 0)
{
LPMSG msg = (LPMSG)lParam;
if (ghwndApp && (msg->message == WM_KEYDOWN) && (msg->wParam == VK_F1))
{
if(nCode == MSGF_MENU)
bF1InMenu = TRUE;
SendMessage(ghwndApp, WM_COMMAND, (WPARAM)IDM_HELPTOPICS, 0L);
}
}
return 0;
}
/*
* Returns the correct Destination ID for the specified device ID
*/
HRESULT GetDestination(DWORD mxid, int *piDest)
{
if (gfRecord)
{
return GetDestLineID(mxid,piDest);
}
else
{
return GetSrcLineID(mxid,piDest);
}
}
/*
* Determines line ID
*/
HRESULT GetDestLineID(int mxid, DWORD *piDest)
{
HRESULT hr = E_FAIL;
MIXERLINE mlDst;
if (piDest)
{
hr = S_OK;
*piDest = 0;
mlDst.cbStruct = sizeof ( mlDst );
mlDst.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
if (mixerGetLineInfo((HMIXEROBJ)IntToPtr(mxid), &mlDst, MIXER_GETLINEINFOF_COMPONENTTYPE) == MMSYSERR_NOERROR)
{
*piDest = mlDst.dwDestination;
}
}
return(hr);
}
/*
* Determines line ID
*/
HRESULT GetSrcLineID(int mxid, DWORD *piDest)
{
HRESULT hr = E_FAIL;
MIXERLINE mlDst;
if (piDest)
{
hr = S_OK;
*piDest = 0;
mlDst.cbStruct = sizeof ( mlDst );
mlDst.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
if (mixerGetLineInfo((HMIXEROBJ)IntToPtr(mxid), &mlDst, MIXER_GETLINEINFOF_COMPONENTTYPE ) == MMSYSERR_NOERROR)
{
*piDest = mlDst.dwDestination;
}
else
{
mlDst.cbStruct = sizeof ( mlDst );
mlDst.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_HEADPHONES;
if (mixerGetLineInfo((HMIXEROBJ)IntToPtr(mxid), &mlDst, MIXER_GETLINEINFOF_COMPONENTTYPE ) == MMSYSERR_NOERROR)
{
*piDest = mlDst.dwDestination;
}
else
{
mlDst.cbStruct = sizeof ( mlDst );
mlDst.dwComponentType = MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT;
if (mixerGetLineInfo((HMIXEROBJ)IntToPtr(mxid), &mlDst, MIXER_GETLINEINFOF_COMPONENTTYPE ) == MMSYSERR_NOERROR)
{
*piDest = mlDst.dwDestination;
}
}
}
}
return(hr);
}
/* - - - - - - - - - */
/*
* entry point
* */
int WINAPI WinMain(
HINSTANCE hInst,
HINSTANCE hPrev,
LPSTR lpCmdLine,
int nShowCmd)
{
int err = 0;
MIXUIDIALOG mxud;
MSG msg;
HWND hwnd;
HANDLE hAccel;
MMRESULT mmr;
TCHAR ach[2];
UINT u;
BOOL fGotDevice = FALSE;
UINT uDeviceID;
ach[0] = '\0'; // PREFIX complains if we do not init this.
LoadString(hInst, IDS_IS_RTL, ach, SIZEOF(ach));
gfIsRTL = ach[0] == TEXT('1');
//
// initialize the app instance data
//
ZeroMemory(&mxud, sizeof(mxud));
mxud.hInstance = hInst;
mxud.dwFlags = MXUD_FLAGSF_MIXER;
/* setup the message filter to handle grabbing F1 for this task */
fpfnMsgHook = (HOOKPROC)MakeProcInstance((FARPROC)HelpMsgFilter, ghInst);
fpfnOldMsgFilter = (HHOOK)SetWindowsHook(WH_MSGFILTER, fpfnMsgHook);
//
// parse the command line for "/T"
//
u = 0;
while (lpCmdLine[u] != '\0')
{
switch (lpCmdLine[u])
{
case TEXT('-'):
case TEXT('/'):
{
u++;
if (lpCmdLine[u] != '\0')
{
switch (lpCmdLine[u])
{
case TEXT('T'):
case TEXT('t'):
mxud.dwStyle |= MXUD_STYLEF_TRAYMASTER;
u++;
break;
case TEXT('S'):
case TEXT('s'):
mxud.dwStyle |= MXUD_STYLEF_SMALL;
u++;
break;
case TEXT('R'): // Should run in Record mode, not Playback (default)
case TEXT('r'):
gfRecord = TRUE;
u++;
break;
case TEXT('X'):
case TEXT('x'):
mxud.dwStyle |= MXUD_STYLEF_TRAYMASTER | MXUD_STYLEF_CLOSE;
break;
case TEXT('D'): // Should use the specified device
case TEXT('d'):
{
u++; // Skip "d" and any following spaces
while (lpCmdLine[u] != '\0' && isspace(lpCmdLine[u]))
{
u++;
}
if (lpCmdLine[u] != '\0')
{
char szDeviceID[255];
UINT uDev = 0;
while (lpCmdLine[u] != '\0' && !isalpha(lpCmdLine[u]) && !isspace(lpCmdLine[u]))
{
szDeviceID[uDev] = lpCmdLine[u];
u++;
uDev++;
}
szDeviceID[uDev] = '\0';
uDeviceID = strtoul(szDeviceID,NULL,10);
fGotDevice = TRUE;
}
}
break;
default: // Unknown Command, just ignore it.
u++;
break;
}
}
}
break;
default:
{
u++;
}
break;
}
}
//
// Restore last style
//
if (!(mxud.dwStyle & (MXUD_STYLEF_TRAYMASTER|MXUD_STYLEF_SMALL)))
{
Volume_GetSetStyle(&mxud.dwStyle, GET);
}
if (mxud.dwStyle & MXUD_STYLEF_TRAYMASTER)
{
HWND hwndSV;
//
// Locate a waiting instance of the tray volume and wake it up
//
hwndSV = FindWindow(gszTrayClassName, NULL);
if (hwndSV) {
SendMessage(hwndSV, MYWM_WAKEUP,
(mxud.dwStyle & MXUD_STYLEF_CLOSE), 0);
goto mxendapp;
}
}
if (mxud.dwStyle & MXUD_STYLEF_CLOSE) {
goto mxendapp;
}
//
// Init to the default mixer
//
if (fGotDevice)
{
UINT cWaves;
if (gfRecord)
{
cWaves = waveInGetNumDevs();
}
else
{
cWaves = waveOutGetNumDevs();
}
if (uDeviceID >= cWaves)
{
fGotDevice = FALSE;
}
}
if (!fGotDevice)
{
mmr = Volume_GetDefaultMixerID(&mxud.mxid, gfRecord);
}
else
{
mxud.mxid = uDeviceID;
}
if (gfRecord)
{
if (FAILED(GetRecordingDestID(mxud.mxid,&mxud.iDest)))
{
goto mxendapp;
}
}
else
{
if (FAILED(GetDestination(mxud.mxid,&mxud.iDest)))
{
goto mxendapp;
}
}
//
// For the tray master, get the mix id associated with the default
// wave device. If this fails, go away.
//
if (mxud.dwStyle & MXUD_STYLEF_TRAYMASTER)
{
if (mmr != MMSYSERR_NOERROR)
goto mxendapp;
mxud.dwStyle |= MXUD_STYLEF_NOHELP;
mxud.nShowCmd = SW_HIDE;
}
else
{
if (!Volume_NumDevs())
{
Volume_ErrorMessageBox(NULL, hInst, IDS_ERR_NODEV);
goto mxendapp;
}
InitVUControl(hInst);
if (!LoadString(hInst
, IDS_HELPFILENAME
, gszHelpFileName
, SIZEOF(gszHelpFileName)))
mxud.dwStyle |= MXUD_STYLEF_NOHELP;
if (!LoadString(hInst
, IDS_HTMLHELPFILENAME
, gszHtmlHelpFileName
, SIZEOF(gszHtmlHelpFileName)))
mxud.dwStyle |= MXUD_STYLEF_NOHELP;
mxud.nShowCmd = (nShowCmd == SW_SHOWMAXIMIZED)
? SW_SHOWNORMAL:nShowCmd;
if (!(mxud.dwStyle & MXUD_STYLEF_SMALL))
mxud.dwStyle |= MXUD_STYLEF_STATUS; // has status bar
}
//
// Use the common controls
//
InitCommonControls();
hAccel = LoadAccelerators(hInst, MAKEINTRESOURCE(IDR_VOLUMEACCEL));
hwnd = VolumeParent_DialogMain(&mxud);
//Initialize the handle which the hook for F1 help will use.
ghwndApp = mxud.hwnd;
if (hwnd)
{
while (GetMessage(&msg, NULL, 0, 0))
{
if (mxud.hwnd) {
if (hAccel && TranslateAccelerator(mxud.hwnd, hAccel, &msg))
continue;
if (IsDialogMessage(mxud.hwnd,&msg))
continue;
}
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
mxendapp:
/* if the message hook was installed, remove it and free */
/* up our proc instance for it. */
if (fpfnOldMsgFilter){
UnhookWindowsHook(WH_MSGFILTER, fpfnMsgHook);
}
return err;
}
void FreeAppIcon ()
{
if (ghiconApp)
{
DestroyIcon (ghiconApp);
ghiconApp = NULL;
}
}
// TODO: Move to "regstr.h"
#define REGSTR_KEY_BRANDING TEXT("Branding")
#define REGSTR_VAL_AUDIO_BITMAP TEXT("bitmap")
#define REGSTR_VAL_AUDIO_ICON TEXT("icon")
#define REGSTR_VAL_AUDIO_URL TEXT("url")
HKEY OpenDeviceBrandRegKey (UINT uiMixID)
{
HKEY hkeyBrand = NULL;
HKEY hkeyDevice = OpenDeviceRegKey (uiMixID, KEY_READ);
if (hkeyDevice)
{
if (ERROR_SUCCESS != RegOpenKey (hkeyDevice, REGSTR_KEY_BRANDING, &hkeyBrand))
hkeyBrand = NULL; // Make sure NULL on failure
// Close the Device key
RegCloseKey (hkeyDevice);
}
return hkeyBrand;
}
///////////////////////////////////////////////////////////////////////////////////////////
// Microsoft Confidential - DO NOT COPY THIS METHOD INTO ANY APPLICATION, THIS MEANS YOU!!!
///////////////////////////////////////////////////////////////////////////////////////////
PTCHAR GetInterfaceName (DWORD dwMixerID)
{
MMRESULT mmr;
ULONG cbSize=0;
TCHAR *szInterfaceName=NULL;
//Query for the Device interface name
mmr = mixerMessage(HMIXER_INDEX(dwMixerID), DRV_QUERYDEVICEINTERFACESIZE, (DWORD_PTR)&cbSize, 0L);
if(MMSYSERR_NOERROR == mmr)
{
szInterfaceName = (TCHAR *)GlobalAllocPtr(GHND, (cbSize+1)*sizeof(TCHAR));
if(!szInterfaceName)
{
return NULL;
}
mmr = mixerMessage(HMIXER_INDEX(dwMixerID), DRV_QUERYDEVICEINTERFACE, (DWORD_PTR)szInterfaceName, cbSize);
if(MMSYSERR_NOERROR != mmr)
{
GlobalFreePtr(szInterfaceName);
return NULL;
}
}
return szInterfaceName;
}
HKEY OpenDeviceRegKey (UINT uiMixID, REGSAM sam)
{
HKEY hkeyDevice = NULL;
PTCHAR szInterfaceName = GetInterfaceName (uiMixID);
if (szInterfaceName)
{
HDEVINFO DeviceInfoSet = SetupDiCreateDeviceInfoList (NULL, NULL);
if (INVALID_HANDLE_VALUE != DeviceInfoSet)
{
SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;
DeviceInterfaceData.cbSize = sizeof (SP_DEVICE_INTERFACE_DATA);
if (SetupDiOpenDeviceInterface (DeviceInfoSet, szInterfaceName,
0, &DeviceInterfaceData))
{
DWORD dwRequiredSize;
SP_DEVINFO_DATA DeviceInfoData;
DeviceInfoData.cbSize = sizeof (SP_DEVINFO_DATA);
// Ignore error, it always returns "ERROR_INSUFFICIENT_BUFFER" even though
// the "SP_DEVICE_INTERFACE_DETAIL_DATA" parameter is supposed to be optional.
(void) SetupDiGetDeviceInterfaceDetail (DeviceInfoSet, &DeviceInterfaceData,
NULL, 0, &dwRequiredSize, &DeviceInfoData);
// Open device reg key
hkeyDevice = SetupDiOpenDevRegKey (DeviceInfoSet, &DeviceInfoData,
DICS_FLAG_GLOBAL, 0,
DIREG_DRV, sam);
}
SetupDiDestroyDeviceInfoList (DeviceInfoSet);
}
GlobalFreePtr (szInterfaceName);
}
return hkeyDevice;
}
HICON GetAppIcon (HINSTANCE hInst, UINT uiMixID)
{
HKEY hkeyBrand = OpenDeviceBrandRegKey (uiMixID);
FreeAppIcon ();
if (hkeyBrand)
{
WCHAR szBuffer[MAX_PATH];
DWORD dwType = REG_SZ;
DWORD cb = sizeof (szBuffer) / sizeof (szBuffer[0]);
if (ERROR_SUCCESS == RegQueryValueEx (hkeyBrand, REGSTR_VAL_AUDIO_ICON, NULL, &dwType, (LPBYTE)szBuffer, &cb))
{
WCHAR* pszComma = wcschr (szBuffer, L',');
if (pszComma)
{
WCHAR* pszResourceID = pszComma + 1;
HANDLE hResource;
// Remove comma delimeter
*pszComma = L'\0';
// Should be a resource module and a resource ID
hResource = LoadLibrary (szBuffer);
if (!hResource)
{
WCHAR szDriversPath[MAX_PATH];
// If we didn't find it on the normal search path, try looking
// in the "drivers" directory.
if (GetSystemDirectory (szDriversPath, MAX_PATH))
{
wcscat (szDriversPath, TEXT("\\drivers\\"));
wcscat (szDriversPath, szBuffer);
hResource = LoadLibrary (szDriversPath);
}
}
if (hResource)
{
ghiconApp = LoadImage (hResource, MAKEINTRESOURCE(_wtoi (pszResourceID)), IMAGE_ICON, 0, 0, LR_DEFAULTSIZE);
FreeLibrary (hResource);
}
}
else
// Should be an *.ico file
ghiconApp = LoadImage (NULL, szBuffer, IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_LOADFROMFILE);
}
RegCloseKey (hkeyBrand);
// Return the custom icon
if (ghiconApp)
return ghiconApp;
}
return (LoadIcon (hInst, MAKEINTRESOURCE (IDI_MIXER)));
}