mirror of
https://github.com/reactos/reactos.git
synced 2024-11-19 13:33:42 +00:00
330 lines
9.7 KiB
C
330 lines
9.7 KiB
C
/*
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* PROJECT: ReactOS Multimedia Control Panel
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* FILE: dll/cpl/mmsys/speakervolume.c
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* PURPOSE: ReactOS Multimedia Control Panel
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* PROGRAMMER: Eric Kohl <eric.kohl@reactos.com>
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*/
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#include "mmsys.h"
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typedef struct _PAGE_DATA
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{
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HMIXER hMixer;
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DWORD volumeControlID;
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DWORD volumeChannels;
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DWORD volumeMinimum;
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DWORD volumeMaximum;
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DWORD volumeStep;
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PMIXERCONTROLDETAILS_UNSIGNED volumeValues;
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BOOL volumeSync;
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} PAGE_DATA, *PPAGE_DATA;
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static
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BOOL
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OnInitDialog(
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PPAGE_DATA pPageData,
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HWND hwndDlg)
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{
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TCHAR szBuffer[256];
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MIXERLINE mxln;
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MIXERCONTROL mxc;
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MIXERLINECONTROLS mxlctrl;
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MIXERCONTROLDETAILS mxcd;
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INT i, j;
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/* Open the mixer */
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if (mixerOpen(&pPageData->hMixer, 0, PtrToUlong(hwndDlg), 0, MIXER_OBJECTF_MIXER | CALLBACK_WINDOW) != MMSYSERR_NOERROR)
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{
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MessageBox(hwndDlg, _T("Cannot open mixer"), NULL, MB_OK);
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return FALSE;
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}
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/* Retrieve the mixer information */
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mxln.cbStruct = sizeof(MIXERLINE);
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mxln.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
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if (mixerGetLineInfo((HMIXEROBJ)pPageData->hMixer, &mxln, MIXER_OBJECTF_HMIXER | MIXER_GETLINEINFOF_COMPONENTTYPE) != MMSYSERR_NOERROR)
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return FALSE;
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pPageData->volumeChannels = mxln.cChannels;
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/* Retrieve the line information */
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mxlctrl.cbStruct = sizeof(MIXERLINECONTROLS);
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mxlctrl.dwLineID = mxln.dwLineID;
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mxlctrl.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
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mxlctrl.cControls = 1;
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mxlctrl.cbmxctrl = sizeof(MIXERCONTROL);
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mxlctrl.pamxctrl = &mxc;
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if (mixerGetLineControls((HMIXEROBJ)pPageData->hMixer, &mxlctrl, MIXER_OBJECTF_HMIXER | MIXER_GETLINECONTROLSF_ONEBYTYPE) != MMSYSERR_NOERROR)
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return FALSE;
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pPageData->volumeControlID = mxc.dwControlID;
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pPageData->volumeMinimum = mxc.Bounds.dwMinimum;
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pPageData->volumeMaximum = mxc.Bounds.dwMaximum;
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pPageData->volumeStep = (pPageData->volumeMaximum - pPageData->volumeMinimum) / (VOLUME_MAX - VOLUME_MIN);
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/* Allocate a buffer for all channel volume values */
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pPageData->volumeValues = HeapAlloc(GetProcessHeap(),
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0,
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mxln.cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED));
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if (pPageData->volumeValues == NULL)
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return FALSE;
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/* Retrieve the channel volume values */
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mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
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mxcd.dwControlID = mxc.dwControlID;
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mxcd.cChannels = mxln.cChannels;
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mxcd.cMultipleItems = 0;
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mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED);
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mxcd.paDetails = pPageData->volumeValues;
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if (mixerGetControlDetails((HMIXEROBJ)pPageData->hMixer, &mxcd, MIXER_OBJECTF_HMIXER | MIXER_GETCONTROLDETAILSF_VALUE) != MMSYSERR_NOERROR)
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return FALSE;
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/* Initialize the channels */
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for (i = 0; i < min(mxln.cChannels, 5); i++)
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{
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j = i * 4;
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/* Set the channel name */
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LoadString(hApplet, IDS_SPEAKER_LEFT + i, szBuffer, _countof(szBuffer));
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SetWindowText(GetDlgItem(hwndDlg, 9472 + j), szBuffer);
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/* Initialize the channel trackbar */
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SendDlgItemMessage(hwndDlg, 9475 + j, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(VOLUME_MIN, VOLUME_MAX));
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SendDlgItemMessage(hwndDlg, 9475 + j, TBM_SETTICFREQ, VOLUME_TICFREQ, 0);
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SendDlgItemMessage(hwndDlg, 9475 + j, TBM_SETPAGESIZE, 0, VOLUME_PAGESIZE);
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SendDlgItemMessage(hwndDlg, 9475 + j, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)(pPageData->volumeValues[i].dwValue - pPageData->volumeMinimum) / pPageData->volumeStep);
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}
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/* Hide the unused controls */
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for (i = mxln.cChannels; i < 8; i++)
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{
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j = i * 4;
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ShowWindow(GetDlgItem(hwndDlg, 9472 + j), SW_HIDE);
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ShowWindow(GetDlgItem(hwndDlg, 9473 + j), SW_HIDE);
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ShowWindow(GetDlgItem(hwndDlg, 9474 + j), SW_HIDE);
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ShowWindow(GetDlgItem(hwndDlg, 9475 + j), SW_HIDE);
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}
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return TRUE;
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}
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static
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VOID
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OnMixerControlChange(
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PPAGE_DATA pPageData,
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HWND hwndDlg)
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{
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MIXERCONTROLDETAILS mxcd;
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INT i, j;
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/* Retrieve the channel volume values */
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mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
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mxcd.dwControlID = pPageData->volumeControlID;
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mxcd.cChannels = pPageData->volumeChannels;
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mxcd.cMultipleItems = 0;
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mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED);
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mxcd.paDetails = pPageData->volumeValues;
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if (mixerGetControlDetails((HMIXEROBJ)pPageData->hMixer, &mxcd, MIXER_OBJECTF_HMIXER | MIXER_GETCONTROLDETAILSF_VALUE) != MMSYSERR_NOERROR)
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return;
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for (i = 0; i < pPageData->volumeChannels; i++)
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{
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j = i * 4;
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SendDlgItemMessage(hwndDlg, 9475 + j, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)(pPageData->volumeValues[i].dwValue - pPageData->volumeMinimum) / pPageData->volumeStep);
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}
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}
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static
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VOID
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OnHScroll(
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PPAGE_DATA pPageData,
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HWND hwndDlg,
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WPARAM wParam,
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LPARAM lParam)
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{
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MIXERCONTROLDETAILS mxcd;
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DWORD dwValue, dwPosition;
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INT id, idx, i, j;
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id = (INT)GetWindowLongPtr((HWND)lParam, GWLP_ID);
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if (id < 9475 && id > 9503)
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return;
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if ((id - 9475) % 4 != 0)
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return;
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dwPosition = (DWORD)SendDlgItemMessage(hwndDlg, id, TBM_GETPOS, 0, 0);
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if (dwPosition == VOLUME_MIN)
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dwValue = pPageData->volumeMinimum;
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else if (dwPosition == VOLUME_MAX)
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dwValue = pPageData->volumeMaximum;
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else
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dwValue = (dwPosition * pPageData->volumeStep) + pPageData->volumeMinimum;
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if (pPageData->volumeSync)
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{
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for (i = 0; i < pPageData->volumeChannels; i++)
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{
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j = 9475 + (i * 4);
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if (j != id)
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SendDlgItemMessage(hwndDlg, j, TBM_SETPOS, (WPARAM)TRUE, dwPosition);
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pPageData->volumeValues[i].dwValue = dwValue;
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}
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}
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else
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{
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idx = (id - 9475) / 4;
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pPageData->volumeValues[idx].dwValue = dwValue;
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}
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mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
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mxcd.dwControlID = pPageData->volumeControlID;
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mxcd.cChannels = pPageData->volumeChannels;
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mxcd.cMultipleItems = 0;
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mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED);
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mxcd.paDetails = pPageData->volumeValues;
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if (mixerSetControlDetails((HMIXEROBJ)pPageData->hMixer, &mxcd, MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE) != MMSYSERR_NOERROR)
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return;
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}
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static
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VOID
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OnSetDefaults(
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PPAGE_DATA pPageData,
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HWND hwndDlg)
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{
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MIXERCONTROLDETAILS mxcd;
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DWORD dwValue, i;
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dwValue = ((VOLUME_MAX - VOLUME_MIN) / 2 * pPageData->volumeStep) + pPageData->volumeMinimum;
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for (i = 0; i < pPageData->volumeChannels; i++)
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pPageData->volumeValues[i].dwValue = dwValue;
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mxcd.cbStruct = sizeof(MIXERCONTROLDETAILS);
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mxcd.dwControlID = pPageData->volumeControlID;
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mxcd.cChannels = pPageData->volumeChannels;
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mxcd.cMultipleItems = 0;
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mxcd.cbDetails = sizeof(MIXERCONTROLDETAILS_UNSIGNED);
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mxcd.paDetails = pPageData->volumeValues;
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if (mixerSetControlDetails((HMIXEROBJ)pPageData->hMixer, &mxcd, MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE) != MMSYSERR_NOERROR)
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return;
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}
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INT_PTR
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CALLBACK
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SpeakerVolumeDlgProc(
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HWND hwndDlg,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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PPAGE_DATA pPageData;
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UNREFERENCED_PARAMETER(wParam);
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pPageData = (PPAGE_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
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switch(uMsg)
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{
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case WM_INITDIALOG:
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pPageData = (PPAGE_DATA)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PAGE_DATA));
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SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pPageData);
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if (pPageData)
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{
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OnInitDialog(pPageData, hwndDlg);
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}
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break;
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case WM_DESTROY:
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if (pPageData)
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{
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if (pPageData->volumeValues)
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HeapFree(GetProcessHeap(), 0, pPageData->volumeValues);
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if (pPageData->hMixer)
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mixerClose(pPageData->hMixer);
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HeapFree(GetProcessHeap(), 0, pPageData);
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pPageData = NULL;
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SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)NULL);
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}
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break;
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case WM_HSCROLL:
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if (pPageData)
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{
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OnHScroll(pPageData, hwndDlg, wParam, lParam);
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PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
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}
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam))
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{
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case 9504:
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if (HIWORD(wParam) == BN_CLICKED)
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pPageData->volumeSync = (SendDlgItemMessage(hwndDlg, 9504, BM_GETCHECK, 0, 0) == BST_CHECKED);
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break;
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case 9505:
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OnSetDefaults(pPageData, hwndDlg);
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PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
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break;
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}
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break;
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case WM_NOTIFY:
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return TRUE;
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case MM_MIXM_CONTROL_CHANGE:
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if (pPageData)
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OnMixerControlChange(pPageData, hwndDlg);
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break;
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}
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return FALSE;
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}
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INT_PTR
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SpeakerVolume(
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HWND hwndDlg)
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{
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PROPSHEETPAGE psp[1];
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PROPSHEETHEADER psh;
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TCHAR Caption[256];
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LoadString(hApplet, IDS_SPEAKER_VOLUME, Caption, _countof(Caption));
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ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
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psh.dwSize = sizeof(PROPSHEETHEADER);
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psh.dwFlags = PSH_PROPSHEETPAGE;
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psh.hwndParent = hwndDlg;
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psh.hInstance = hApplet;
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psh.pszCaption = Caption;
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psh.nPages = sizeof(psp) / sizeof(PROPSHEETPAGE);
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psh.nStartPage = 0;
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psh.ppsp = psp;
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InitPropSheetPage(&psp[0], IDD_MULTICHANNEL, SpeakerVolumeDlgProc);
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psp[0].dwFlags |= PSP_USETITLE;
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psp[0].pszTitle = Caption;
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return (LONG)(PropertySheet(&psh) != -1);
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}
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