https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c73c7cc16efa53e9208acd64d1931c4a806e8692
commit c73c7cc16efa53e9208acd64d1931c4a806e8692 Author: Eric Kohl <[email protected]> AuthorDate: Sat Feb 2 14:43:30 2019 +0100 Commit: Eric Kohl <[email protected]> CommitDate: Sat Feb 2 14:44:14 2019 +0100 [SNDVOL32] Implement the volume control for the tray window. --- base/applications/sndvol32/tray.c | 187 +++++++++++++++++++++++++++++++++++++- 1 file changed, 186 insertions(+), 1 deletion(-) diff --git a/base/applications/sndvol32/tray.c b/base/applications/sndvol32/tray.c index 2223aadaef..e871520d64 100644 --- a/base/applications/sndvol32/tray.c +++ b/base/applications/sndvol32/tray.c @@ -7,6 +7,22 @@ #include "sndvol32.h" +typedef struct _DIALOG_DATA +{ + HMIXER hMixer; + DWORD volumeControlID; + DWORD volumeChannels; + DWORD volumeMinimum; + DWORD volumeMaximum; + DWORD volumeStep; + + DWORD maxVolume; + DWORD maxChannel; + PMIXERCONTROLDETAILS_UNSIGNED volumeInitValues; + PMIXERCONTROLDETAILS_UNSIGNED volumeCurrentValues; +} DIALOG_DATA, *PDIALOG_DATA; + + static VOID OnTrayInitDialog( HWND hwnd, @@ -40,11 +56,147 @@ OnTrayInitDialog( SetWindowPos(hwnd, HWND_TOPMOST, x, y, 0, 0, SWP_NOSIZE); /* Disable the controls for now */ - EnableWindow(GetDlgItem(hwnd, IDC_LINE_SLIDER_VERT), FALSE); EnableWindow(GetDlgItem(hwnd, IDC_LINE_SWITCH), FALSE); } +static +VOID +OnTrayInitMixer( + PDIALOG_DATA pDialogData, + HWND hwndDlg) +{ + MIXERLINE mxln; + MIXERCONTROL mxc; + MIXERLINECONTROLS mxlctrl; + MIXERCONTROLDETAILS mxcd; + DWORD i; + + /* Open the mixer */ + if (mixerOpen(&pDialogData->hMixer, 0, PtrToUlong(hwndDlg), 0, MIXER_OBJECTF_MIXER | CALLBACK_WINDOW) != MMSYSERR_NOERROR) + return; + + /* Retrieve the mixer information */ + mxln.cbStruct = sizeof(MIXERLINE); + mxln.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS; + + if (mixerGetLineInfo((HMIXEROBJ)pDialogData->hMixer, &mxln, MIXER_OBJECTF_HMIXER | MIXER_GETLINEINFOF_COMPONENTTYPE) != MMSYSERR_NOERROR) + return; + + pDialogData->volumeChannels = mxln.cChannels; + + /* Retrieve the line information */ + mxlctrl.cbStruct = sizeof(MIXERLINECONTROLS); + mxlctrl.dwLineID = mxln.dwLineID; + mxlctrl.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME; + mxlctrl.cControls = 1; + mxlctrl.cbmxctrl = sizeof(MIXERCONTROL); + mxlctrl.pamxctrl = &mxc; + + if (mixerGetLineControls((HMIXEROBJ)pDialogData->hMixer, &mxlctrl, MIXER_OBJECTF_HMIXER | MIXER_GETLINECONTROLSF_ONEBYTYPE) != MMSYSERR_NOERROR) + return; + + pDialogData->volumeControlID = mxc.dwControlID; + pDialogData->volumeMinimum = mxc.Bounds.dwMinimum; + pDialogData->volumeMaximum = mxc.Bounds.dwMaximum; + pDialogData->volumeStep = (pDialogData->volumeMaximum - pDialogData->volumeMinimum) / (VOLUME_MAX - VOLUME_MIN); + + /* Allocate a buffer for all channel volume values */ + pDialogData->volumeInitValues = HeapAlloc(GetProcessHeap(), + 0, + mxln.cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED)); + if (pDialogData->volumeInitValues == NULL) + return; + + pDialogData->volumeCurrentValues = HeapAlloc(GetProcessHeap(), + 0, + mxln.cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED)); + if (pDialogData->volumeCurrentValues == NULL) + return; + + /* Retrieve the channel volume values */ + mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS); + mxcd.dwControlID = mxc.dwControlID; + mxcd.cChannels = mxln.cChannels; + mxcd.cMultipleItems = 0; + mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED); + mxcd.paDetails = pDialogData->volumeInitValues; + + if (mixerGetControlDetails((HMIXEROBJ)pDialogData->hMixer, &mxcd, MIXER_OBJECTF_HMIXER | MIXER_GETCONTROLDETAILSF_VALUE) != MMSYSERR_NOERROR) + return; + + pDialogData->maxVolume = pDialogData->volumeInitValues[0].dwValue; + pDialogData->maxChannel = 0; + for (i = 1; i < pDialogData->volumeChannels; i++) + { + if (pDialogData->volumeInitValues[i].dwValue > pDialogData->maxVolume) + { + pDialogData->maxVolume = pDialogData->volumeInitValues[i].dwValue; + pDialogData->maxChannel = i; + } + } + + /* Initialize the volume trackbar */ + SendDlgItemMessage(hwndDlg, IDC_LINE_SLIDER_VERT, TBM_SETRANGE, TRUE, MAKELONG(VOLUME_MIN, VOLUME_MAX)); + SendDlgItemMessage(hwndDlg, IDC_LINE_SLIDER_VERT, TBM_SETPAGESIZE, 0, VOLUME_PAGE_SIZE); + SendDlgItemMessage(hwndDlg, IDC_LINE_SLIDER_VERT, TBM_SETPOS, TRUE, VOLUME_MAX -(pDialogData->maxVolume - pDialogData->volumeMinimum) / pDialogData->volumeStep); +} + + +static +VOID +OnVScroll( + PDIALOG_DATA pDialogData, + HWND hwndDlg, + WPARAM wParam, + LPARAM lParam) +{ + MIXERCONTROLDETAILS mxcd; + DWORD dwPos, dwVolume, i; + + switch (LOWORD(wParam)) + { + case TB_THUMBTRACK: + + dwPos = VOLUME_MAX - (DWORD)SendDlgItemMessage(hwndDlg, IDC_LINE_SLIDER_VERT, TBM_GETPOS, 0, 0); + dwVolume = (dwPos * pDialogData->volumeStep) + pDialogData->volumeMinimum; + + for (i = 0; i < pDialogData->volumeChannels; i++) + { + if (i == pDialogData->maxChannel) + { + pDialogData->volumeCurrentValues[i].dwValue = dwVolume; + } + else + { + pDialogData->volumeCurrentValues[i].dwValue = + pDialogData->volumeInitValues[i].dwValue * dwVolume / pDialogData-> maxVolume; + } + } + + mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS); + mxcd.dwControlID = pDialogData->volumeControlID; + mxcd.cChannels = pDialogData->volumeChannels; + mxcd.cMultipleItems = 0; + mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED); + mxcd.paDetails = pDialogData->volumeCurrentValues; + + mixerSetControlDetails((HMIXEROBJ)pDialogData->hMixer, + &mxcd, + MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE); + break; + + case TB_ENDTRACK: + PlaySound((LPCTSTR)SND_ALIAS_SYSTEMDEFAULT, NULL, SND_ASYNC | SND_ALIAS_ID); + break; + + default: + break; + } +} + + + INT_PTR CALLBACK TrayDlgProc( @@ -53,10 +205,43 @@ TrayDlgProc( WPARAM wParam, LPARAM lParam) { + PDIALOG_DATA pDialogData; + + pDialogData = (PDIALOG_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER); + switch (uMsg) { case WM_INITDIALOG: OnTrayInitDialog(hwndDlg, wParam, lParam); + + pDialogData = (PDIALOG_DATA)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DIALOG_DATA)); + SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pDialogData); + + if (pDialogData) + OnTrayInitMixer(pDialogData, hwndDlg); + break; + + case WM_VSCROLL: + if (pDialogData) + OnVScroll(pDialogData, hwndDlg, wParam, lParam); + break; + + case WM_DESTROY: + if (pDialogData) + { + if (pDialogData->volumeInitValues) + HeapFree(GetProcessHeap(), 0, pDialogData->volumeInitValues); + + if (pDialogData->volumeCurrentValues) + HeapFree(GetProcessHeap(), 0, pDialogData->volumeCurrentValues); + + if (pDialogData->hMixer) + mixerClose(pDialogData->hMixer); + + HeapFree(GetProcessHeap(), 0, pDialogData); + pDialogData = NULL; + SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)NULL); + } break; case WM_ACTIVATE:
