//获得音量部分, 目前只支持XP的主音量, 要完美支持看D:\workspace\DownLoadCode\VolumeCtrl
int CMyVolume::GetVolume()
{
long device = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
unsigned int rt = 0;
MIXERCONTROL volCtrl;
HMIXER hmixer;
if ( mixerOpen(&hmixer, 0, 0, 0, 0) != MMSYSERR_NOERROR )
{
return 0;
}
GetVolumeControl(hmixer, device, MIXERCONTROL_CONTROLTYPE_VOLUME, &volCtrl);
int iValue = GetVolumeValue(hmixer, &volCtrl);
iValue = iValue * MAX_VOL / volCtrl.Bounds.lMaximum;
return iValue;
}
//返回音量值
unsigned WINAPI GetVolume()
{
unsigned rt=0;
MIXERCONTROL volCtrl;
HMIXER hmixer;
if(mixerOpen(&hmixer, 0, 0, 0, 0)) return 0;
MIXERLINE mxl = {0};
mxl.cbStruct = sizeof(mxl);
mxl.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
MMRESULT mr = mixerGetLineInfo((HMIXEROBJ)hmixer, &mxl, MIXER_GETLINEINFOF_DESTINATION);
mixerGetLineControls()
if(!GetVolumeControl(hmixer, MIXERLINE_COMPONENTTYPE_DST_SPEAKERS,MIXERCONTROL_CONTROLTYPE_VOLUME,&volCtrl))
return 0;
int ChangeValue=volCtrl.Bounds.lMaximum/INTERVAL; //每一次调用函数改变的音量值
rt=GetVolumeValue(hmixer,&volCtrl)/ChangeValue; //GetVolumeValue得到的是具体值
mixerClose(hmixer);
return rt;
}
//static INT_PTR CALLBACK
INT_PTR CALLBACK
VolumeDlgProc(HWND hwndDlg,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
static IMGINFO ImgInfo;
PGLOBAL_DATA pGlobalData;
UNREFERENCED_PARAMETER(lParam);
UNREFERENCED_PARAMETER(wParam);
pGlobalData = (PGLOBAL_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
switch(uMsg)
{
case MM_MIXM_LINE_CHANGE:
{
GetMuteState(pGlobalData);
if (pGlobalData->muteVal)
{
SendDlgItemMessage(hwndDlg, IDC_MUTE_CHECKBOX, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconMuted);
}
else
{
SendDlgItemMessage(hwndDlg, IDC_MUTE_CHECKBOX, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconUnMuted);
}
break;
}
case MM_MIXM_CONTROL_CHANGE:
{
GetVolumeValue(pGlobalData);
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETSEL, (WPARAM)FALSE, (LPARAM)MAKELONG(pGlobalData->volumeMinimum, pGlobalData->volumeValue/VOLUME_DIVIDER));
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pGlobalData->volumeValue/VOLUME_DIVIDER);
break;
}
case WM_INITDIALOG:
{
pGlobalData = (GLOBAL_DATA*) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBAL_DATA));
SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pGlobalData);
pGlobalData->hIconUnMuted = LoadImage(hApplet, MAKEINTRESOURCE(IDI_CPLICON), IMAGE_ICON, 32, 32, LR_DEFAULTCOLOR);
pGlobalData->hIconMuted = LoadImage(hApplet, MAKEINTRESOURCE(IDI_MUTED_ICON), IMAGE_ICON, 32, 32, LR_DEFAULTCOLOR);
pGlobalData->hIconNoHW = LoadImage(hApplet, MAKEINTRESOURCE(IDI_NO_HW), IMAGE_ICON, 32, 32, LR_DEFAULTCOLOR);
InitImageInfo(&ImgInfo);
InitVolumeControls(hwndDlg, pGlobalData);
break;
}
case WM_DRAWITEM:
{
LPDRAWITEMSTRUCT lpDrawItem;
lpDrawItem = (LPDRAWITEMSTRUCT) lParam;
if(lpDrawItem->CtlID == IDC_SPEAKIMG)
{
HDC hdcMem;
LONG left;
/* Position image in centre of dialog */
left = (lpDrawItem->rcItem.right - ImgInfo.cxSource) / 2;
hdcMem = CreateCompatibleDC(lpDrawItem->hDC);
if (hdcMem != NULL)
{
SelectObject(hdcMem, ImgInfo.hBitmap);
BitBlt(lpDrawItem->hDC,
left,
lpDrawItem->rcItem.top,
lpDrawItem->rcItem.right - lpDrawItem->rcItem.left,
lpDrawItem->rcItem.bottom - lpDrawItem->rcItem.top,
hdcMem,
0,
0,
SRCCOPY);
DeleteDC(hdcMem);
}
}
break;
}
case WM_COMMAND:
{
switch (LOWORD(wParam))
{
case IDC_MUTE_CHECKBOX:
if (HIWORD(wParam) == BN_CLICKED)
{
SwitchMuteState(pGlobalData);
if (pGlobalData->muteVal)
{
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconMuted);
}
else
{
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconUnMuted);
}
PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
}
break;
case IDC_ICON_IN_TASKBAR:
if (HIWORD(wParam) == BN_CLICKED)
{
PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
}
break;
case IDC_ADVANCED_BTN:
LaunchSoundControl(hwndDlg);
break;
}
break;
}
case WM_HSCROLL:
{
HWND hVolumeTrackbar = GetDlgItem(hwndDlg, IDC_VOLUME_TRACKBAR);
if (hVolumeTrackbar == (HWND)lParam)
{
pGlobalData->volumeValue = (DWORD)SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_GETPOS, 0, 0)*VOLUME_DIVIDER;
SetVolumeValue(pGlobalData);
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETSEL, (WPARAM)TRUE,
(LPARAM)MAKELONG(pGlobalData->volumeMinimum, pGlobalData->volumeValue/VOLUME_DIVIDER));
}
break;
}
case WM_DESTROY:
mixerClose(pGlobalData->hMixer);
DestroyIcon(pGlobalData->hIconMuted);
DestroyIcon(pGlobalData->hIconUnMuted);
DestroyIcon(pGlobalData->hIconNoHW);
HeapFree(GetProcessHeap(), 0, pGlobalData);
break;
case WM_NOTIFY:
if (((LPNMHDR)lParam)->code == (UINT)PSN_APPLY)
{
SaveData(hwndDlg);
}
return TRUE;
}
return FALSE;
}
VOID
InitVolumeControls(HWND hwndDlg, PGLOBAL_DATA pGlobalData)
{
UINT NumMixers;
MIXERCAPS mxc;
TCHAR szNoDevices[256];
CheckDlgButton(hwndDlg,
IDC_ICON_IN_TASKBAR,
GetSystrayVolumeIconState() ? BST_CHECKED : BST_UNCHECKED);
LoadString(hApplet, IDS_NO_DEVICES, szNoDevices, _countof(szNoDevices));
NumMixers = mixerGetNumDevs();
if (!NumMixers)
{
EnableWindow(GetDlgItem(hwndDlg, IDC_VOLUME_TRACKBAR), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_MUTE_CHECKBOX), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADVANCED_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_SPEAKER_VOL_BTN), FALSE);
EnableWindow(GetDlgItem(hwndDlg, IDC_ADVANCED2_BTN), FALSE);
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconNoHW);
SetDlgItemText(hwndDlg, IDC_DEVICE_NAME, szNoDevices);
return;
}
if (mixerOpen(&pGlobalData->hMixer, 0, PtrToUlong(hwndDlg), 0, MIXER_OBJECTF_MIXER | CALLBACK_WINDOW) != MMSYSERR_NOERROR)
{
MessageBox(hwndDlg, _T("Cannot open mixer"), NULL, MB_OK);
return;
}
ZeroMemory(&mxc, sizeof(MIXERCAPS));
if (mixerGetDevCaps(PtrToUint(pGlobalData->hMixer), &mxc, sizeof(MIXERCAPS)) != MMSYSERR_NOERROR)
{
MessageBox(hwndDlg, _T("mixerGetDevCaps failed"), NULL, MB_OK);
return;
}
GetMuteControl(pGlobalData);
GetMuteState(pGlobalData);
if (pGlobalData->muteVal)
{
SendDlgItemMessage(hwndDlg, IDC_MUTE_CHECKBOX, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconMuted);
}
else
{
SendDlgItemMessage(hwndDlg, IDC_MUTE_CHECKBOX, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
SendDlgItemMessage(hwndDlg, IDC_MUTE_ICON, STM_SETIMAGE, IMAGE_ICON, (LPARAM)pGlobalData->hIconUnMuted);
}
GetVolumeControl(pGlobalData);
GetVolumeValue(pGlobalData);
SendDlgItemMessage(hwndDlg, IDC_DEVICE_NAME, WM_SETTEXT, 0, (LPARAM)mxc.szPname);
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETRANGE, (WPARAM)TRUE,
(LPARAM)MAKELONG(pGlobalData->volumeMinimum, pGlobalData->volumeMaximum/VOLUME_DIVIDER));
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETPAGESIZE, (WPARAM)FALSE, (LPARAM)1);
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETSEL, (WPARAM)FALSE,
(LPARAM)MAKELONG(pGlobalData->volumeMinimum, pGlobalData->volumeValue/VOLUME_DIVIDER));
SendDlgItemMessage(hwndDlg, IDC_VOLUME_TRACKBAR, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pGlobalData->volumeValue/VOLUME_DIVIDER);
}
