MASWITCH.C
资源名称:MSDN_VC98.zip [点击查看]
上传用户:bangxh
上传日期:2007-01-31
资源大小:42235k
文件大小:20k
源码类别:
Windows编程
开发平台:
Visual C++
- //==========================================================================;
- //
- // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
- // KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- // IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
- // PURPOSE.
- //
- // Copyright (C) 1993 - 1997 Microsoft Corporation. All Rights Reserved.
- //
- //--------------------------------------------------------------------------;
- //
- // maswitch.c
- //
- // Description:
- //
- //
- // History:
- // 9/21/93
- //
- //==========================================================================;
- #include <windows.h>
- #include <windowsx.h>
- #include <mmsystem.h>
- #include "mixapp.h"
- #include "debug.h"
- //
- //
- //
- typedef struct tMACONTROLINSTANCE_SWITCH
- {
- LPMACONTROLINSTANCE pmaci;
- MIXERCONTROLDETAILS_BOOLEAN pmxcd_f[];
- } MACONTROLINSTANCE_SWITCH, *PMACONTROLINSTANCE_SWITCH;
- //==========================================================================;
- //
- //
- //
- //
- //==========================================================================;
- //--------------------------------------------------------------------------;
- //
- // BOOL MixAppControlChangeSwitch
- //
- // Description:
- //
- //
- // Arguments:
- // HWND hwnd:
- //
- // HMIXER hmx:
- //
- // DWORD dwControlID:
- //
- // Return (BOOL):
- //
- // History:
- // 09/22/93
- //
- //--------------------------------------------------------------------------;
- BOOL FNLOCAL MixAppControlChangeSwitch
- (
- HWND hwnd,
- HMIXER hmx,
- DWORD dwControlID
- )
- {
- MMRESULT mmr;
- HWND htxt;
- PMACONTROLINSTANCE_SWITCH pmaci_switch;
- LPMACONTROLINSTANCE pmaci;
- LPMIXERLINE pmxl;
- LPMIXERCONTROL pmxctrl;
- PMIXERCONTROLDETAILS_BOOLEAN pmxcd_f;
- UINT cChannels;
- UINT cMultipleItems;
- UINT u;
- UINT uIndex;
- UINT v;
- BOOL fValue;
- MIXERCONTROLDETAILS mxcd;
- HWND hcheckFocus;
- HWND hcheck;
- hcheckFocus = GetFocus();
- if (NULL == hcheckFocus)
- {
- hcheckFocus = GetDlgItem(hwnd, IDD_MACONTROL_MULTICHANNEL_BASE);
- }
- else
- {
- uIndex = GetDlgCtrlID(hcheckFocus);
- if (uIndex < IDD_MACONTROL_MULTICHANNEL_BASE)
- {
- hcheckFocus = GetDlgItem(hwnd, IDD_MACONTROL_MULTICHANNEL_BASE);
- }
- }
- //
- //
- //
- pmaci_switch = (PMACONTROLINSTANCE_SWITCH)(UINT)GetWindowLong(hwnd, DWL_USER);
- pmaci = pmaci_switch->pmaci;
- pmxl = pmaci->pmxl;
- pmxctrl = pmaci->pmxctrl;
- pmxcd_f = &pmaci_switch->pmxcd_f[0];
- cChannels = (UINT)pmxl->cChannels;
- if (MIXERCONTROL_CONTROLF_UNIFORM & pmxctrl->fdwControl)
- cChannels = 1;
- //
- //
- //
- mxcd.cbStruct = sizeof(mxcd);
- mxcd.dwControlID = pmxctrl->dwControlID;
- mxcd.cChannels = cChannels;
- mxcd.cMultipleItems = pmxctrl->cMultipleItems;
- mxcd.cbDetails = sizeof(*pmxcd_f);
- mxcd.paDetails = pmxcd_f;
- mmr = mixerGetControlDetails((HMIXEROBJ)pmaci->hmx, &mxcd, MIXER_GETCONTROLDETAILSF_VALUE);
- if (MMSYSERR_NOERROR != mmr)
- {
- AppMsgBox(hwnd, MB_OK | MB_ICONEXCLAMATION,
- "mixerGetControlDetails(ctrlid=%.08lXh) failed on hmx=%.04Xh, mmr=%u!",
- pmxctrl->dwControlID, pmaci->hmx, mmr);
- return (FALSE);
- }
- cMultipleItems = 1;
- if (MIXERCONTROL_CONTROLF_MULTIPLE & pmxctrl->fdwControl)
- cMultipleItems = (UINT)pmxctrl->cMultipleItems;
- for (u = 0; u < cChannels; u++)
- {
- for (v = 0; v < cMultipleItems; v++)
- {
- uIndex = (u * cMultipleItems) + v;
- fValue = (BOOL)pmxcd_f[uIndex].fValue;
- hcheck = GetDlgItem(hwnd, IDD_MACONTROL_MULTICHANNEL_BASE + uIndex);
- if (hcheckFocus == hcheck)
- {
- htxt = GetDlgItem(hwnd, IDD_MACONTROL_TXT_VALUE);
- AppSetWindowText(htxt, "mapped=%d, fValue=%ld",
- fValue,
- pmxcd_f[uIndex].fValue);
- }
- if (fValue == (BOOL)IsDlgButtonChecked(hwnd, IDD_MACONTROL_MULTICHANNEL_BASE + uIndex))
- continue;
- CheckDlgButton(hwnd, IDD_MACONTROL_MULTICHANNEL_BASE + uIndex, fValue);
- }
- }
- //
- //
- //
- mxcd.cbStruct = sizeof(mxcd);
- mxcd.dwControlID = pmxctrl->dwControlID;
- mxcd.cChannels = 1;
- mxcd.cMultipleItems = pmxctrl->cMultipleItems;
- mxcd.cbDetails = sizeof(*pmxcd_f);
- mxcd.paDetails = pmxcd_f;
- mmr = mixerGetControlDetails((HMIXEROBJ)pmaci->hmx, &mxcd, MIXER_GETCONTROLDETAILSF_VALUE);
- if (MMSYSERR_NOERROR != mmr)
- {
- AppMsgBox(hwnd, MB_OK | MB_ICONEXCLAMATION,
- "mixerGetControlDetails(ctrlid=%.08lXh) failed on hmx=%.04Xh, mmr=%u!",
- pmxctrl->dwControlID, pmaci->hmx, mmr);
- return (FALSE);
- }
- for (v = 0; v < cMultipleItems; v++)
- {
- uIndex = v;
- fValue = (BOOL)pmxcd_f[uIndex].fValue;
- hcheck = GetDlgItem(hwnd, IDD_MACONTROL_UNIFORM_BASE + uIndex);
- if (hcheckFocus == hcheck)
- {
- htxt = GetDlgItem(hwnd, IDD_MACONTROL_TXT_VALUE);
- AppSetWindowText(htxt, "mapped=%d, fValue=%ld",
- fValue,
- pmxcd_f[uIndex].fValue);
- }
- if (fValue == (BOOL)IsDlgButtonChecked(hwnd, IDD_MACONTROL_UNIFORM_BASE + uIndex))
- continue;
- CheckDlgButton(hwnd, IDD_MACONTROL_UNIFORM_BASE + uIndex, fValue);
- }
- return (TRUE);
- } // MixAppControlChangeSwitch()
- //--------------------------------------------------------------------------;
- //
- // BOOL MixAppControlSetSwitch
- //
- // Description:
- //
- //
- // Arguments:
- // HWND hwnd:
- //
- // HWND hcheck:
- //
- // Return (BOOL):
- //
- // History:
- // 09/22/93
- //
- //--------------------------------------------------------------------------;
- BOOL FNLOCAL MixAppControlSetSwitch
- (
- HWND hwnd,
- HWND hcheck
- )
- {
- PMACONTROLINSTANCE_SWITCH pmaci_switch;
- LPMACONTROLINSTANCE pmaci;
- LPMIXERLINE pmxl;
- LPMIXERCONTROL pmxctrl;
- PMIXERCONTROLDETAILS_BOOLEAN pmxcd_f;
- MMRESULT mmr;
- BOOL fValue;
- UINT cChannels;
- UINT uIndex;
- MIXERCONTROLDETAILS mxcd;
- //
- //
- //
- pmaci_switch = (PMACONTROLINSTANCE_SWITCH)(UINT)GetWindowLong(hwnd, DWL_USER);
- pmaci = pmaci_switch->pmaci;
- pmxl = pmaci->pmxl;
- pmxctrl = pmaci->pmxctrl;
- pmxcd_f = &pmaci_switch->pmxcd_f[0];
- uIndex = GetDlgCtrlID(hcheck);
- //
- // get value and toggle..
- //
- fValue = (0 == IsDlgButtonChecked(hwnd, uIndex));
- if (uIndex < IDD_MACONTROL_UNIFORM_BASE)
- {
- cChannels = (UINT)pmxl->cChannels;
- if (MIXERCONTROL_CONTROLF_UNIFORM & pmxctrl->fdwControl)
- cChannels = 1;
- uIndex -= IDD_MACONTROL_MULTICHANNEL_BASE;
- }
- else
- {
- cChannels = 1;
- uIndex -= IDD_MACONTROL_UNIFORM_BASE;
- }
- //
- //
- //
- //
- mxcd.cbStruct = sizeof(mxcd);
- mxcd.dwControlID = pmxctrl->dwControlID;
- mxcd.cChannels = cChannels;
- mxcd.cMultipleItems = pmxctrl->cMultipleItems;
- mxcd.cbDetails = sizeof(*pmxcd_f);
- mxcd.paDetails = pmxcd_f;
- mmr = mixerGetControlDetails((HMIXEROBJ)pmaci->hmx, &mxcd, 0L);
- if (MMSYSERR_NOERROR != mmr)
- {
- AppMsgBox(hwnd, MB_OK | MB_ICONEXCLAMATION,
- "mixerGetControlDetails(ctrlid=%.08lXh) failed on hmx=%.04Xh, mmr=%u!",
- pmxctrl->dwControlID, pmaci->hmx, mmr);
- return (FALSE);
- }
- pmxcd_f[uIndex].fValue = fValue;
- mmr = mixerSetControlDetails((HMIXEROBJ)pmaci->hmx, &mxcd, 0L);
- if (MMSYSERR_NOERROR != mmr)
- {
- AppMsgBox(hwnd, MB_OK | MB_ICONEXCLAMATION,
- "mixerSetControlDetails(ctrlid=%.08lXh) failed on hmx=%.04Xh, mmr=%u!",
- pmxctrl->dwControlID, pmaci->hmx, mmr);
- return (FALSE);
- }
- CheckDlgButton(hwnd, GetDlgCtrlID(hcheck), (BOOL)pmxcd_f[uIndex].fValue);
- #if 0
- if (0 == uIndex)
- {
- htxt = GetDlgItem(hwnd, IDD_MACONTROL_TXT_VALUE);
- AppSetWindowText(htxt, "mapped=%d, fValue=%ld",
- nValue,
- pmxcd_f[uIndex].fValue);
- }
- #endif
- return (TRUE);
- } // MixAppControlSetSwitch()
- //--------------------------------------------------------------------------;
- //
- // BOOL MixAppLineChangeSwitch
- //
- // Description:
- //
- //
- // Arguments:
- // HWND hwnd:
- //
- // HMIXER hmx:
- //
- // DWORD dwLineID:
- //
- // Return (BOOL):
- //
- // History:
- // 09/24/93
- //
- //--------------------------------------------------------------------------;
- BOOL FNLOCAL MixAppLineChangeSwitch
- (
- HWND hwnd,
- HMIXER hmx,
- DWORD dwLineID
- )
- {
- MMRESULT mmr;
- PMACONTROLINSTANCE_SWITCH pmaci_switch;
- LPMACONTROLINSTANCE pmaci;
- LPMIXERLINE pmxl;
- MIXERLINE mxl;
- BOOL fSource;
- BOOL fActive;
- BOOL fDisconnected;
- HWND htxt;
- //
- //
- //
- pmaci_switch = (PMACONTROLINSTANCE_SWITCH)(UINT)GetWindowLong(hwnd, DWL_USER);
- pmaci = pmaci_switch->pmaci;
- pmxl = pmaci->pmxl;
- if (pmxl->dwLineID != dwLineID)
- {
- DPF(0, "!MixAppLineChangeSwitch: why am i getting notifications for some other line??");
- //
- // this would be a bug in this app... keep from bombing though
- // until i fix it.
- //
- dwLineID = pmxl->dwLineID;
- }
- //
- // get the current state of the line that changed.. this is actually
- // silly that you have to do this just to determine if the line went
- // [in]active. sigh..
- //
- mxl.cbStruct = sizeof(mxl);
- mxl.dwLineID = dwLineID;
- mmr = mixerGetLineInfo((HMIXEROBJ)ghmx, &mxl, MIXER_GETLINEINFOF_LINEID);
- if (MMSYSERR_NOERROR != mmr)
- {
- AppMsgBox(hwnd, MB_OK | MB_ICONEXCLAMATION,
- "mixerGetLineInfo(lineid=%.08lXh) failed on hmx=%.04Xh, mmr=%u!",
- dwLineID, ghmx, mmr);
- return (FALSE);
- }
- fSource = (0 != (MIXERLINE_LINEF_SOURCE & mxl.fdwLine));
- fActive = (0 != (MIXERLINE_LINEF_ACTIVE & mxl.fdwLine));
- fDisconnected = (0 != (MIXERLINE_LINEF_DISCONNECTED & mxl.fdwLine));
- htxt = GetDlgItem(hwnd, IDD_MACONTROL_TXT_LINEINFO);
- AppSetWindowText(htxt, "(%s), '%s', %s, %s",
- fSource ? (LPSTR)"src" : (LPSTR)"DST",
- (LPSTR)mxl.szShortName,
- fActive ? (LPSTR)"ACTIVE" : (LPSTR)"inactive",
- fDisconnected ? (LPSTR)"DISCONNECTED" : (LPSTR)"connected");
- return (fActive);
- } // MixAppLineChangeSwitch()
- //--------------------------------------------------------------------------;
- //
- // BOOL MixAppInitDialogSwitch
- //
- // Description:
- //
- //
- // Arguments:
- // HWND hwnd:
- //
- // HWND hwndFocus:
- //
- // LPARAM lParam:
- //
- // Return (BOOL):
- //
- // History:
- // 09/22/93
- //
- //--------------------------------------------------------------------------;
- BOOL FNLOCAL MixAppInitDialogSwitch
- (
- HWND hwnd,
- HWND hwndFocus,
- LPARAM lParam
- )
- {
- #define FCB_DEF_STYLE (WS_VISIBLE | WS_CHILD | BS_CHECKBOX | WS_TABSTOP)
- static TCHAR szButton[] = TEXT("button");
- static TCHAR szTitle[] = TEXT("Switch Class: '%s'");
- TCHAR szControlType[64];
- LPMACONTROLINSTANCE pmaci;
- PMACONTROLINSTANCE_SWITCH pmaci_switch;
- LPMIXERLINE pmxl;
- LPMIXERCONTROL pmxctrl;
- HWND htxt;
- UINT u;
- UINT v;
- HWND hcheck;
- RECT rcM;
- RECT rcU;
- int cycap;
- UINT cb;
- UINT cChannels;
- UINT cMultipleItems;
- UINT uIndex;
- //
- //
- //
- pmaci = (LPMACONTROLINSTANCE)lParam;
- if (NULL == pmaci)
- {
- DPF(0, "!MixAppInitDialogSwitch: pmaci passed in lParam is NULL!?!");
- return (FALSE);
- }
- pmxl = pmaci->pmxl;
- pmxctrl = pmaci->pmxctrl;
- if (!MixAppGetControlTypeName(pmxctrl, szControlType))
- {
- return (FALSE);
- }
- //
- //
- //
- switch (pmxctrl->dwControlType)
- {
- case MIXERCONTROL_CONTROLTYPE_BOOLEAN:
- case MIXERCONTROL_CONTROLTYPE_ONOFF:
- case MIXERCONTROL_CONTROLTYPE_MUTE:
- case MIXERCONTROL_CONTROLTYPE_MONO:
- case MIXERCONTROL_CONTROLTYPE_LOUDNESS:
- case MIXERCONTROL_CONTROLTYPE_STEREOENH:
- break;
- default:
- DPF(0, "!MixAppInitDialogSwitch: pmxctrl->dwControlType=%.08lXh not valid switch!", pmxctrl->dwControlType);
- return (FALSE);
- }
- //
- //
- //
- AppSetWindowText(hwnd, szTitle, (LPTSTR)szControlType);
- SetDlgItemText(hwnd, IDD_MACONTROL_TXT_SHORT_NAME, pmxctrl->szShortName);
- SetDlgItemText(hwnd, IDD_MACONTROL_TXT_LONG_NAME, pmxctrl->szName);
- htxt = GetDlgItem(hwnd, IDD_MACONTROL_TXT_BOUNDS);
- AppSetWindowText(htxt, "dwMinimum=%lu, dwMaximum=%lu",
- pmxctrl->Bounds.dwMinimum,
- pmxctrl->Bounds.dwMaximum);
- htxt = GetDlgItem(hwnd, IDD_MACONTROL_TXT_METRICS);
- AppSetWindowText(htxt, "N/A");
- //
- //
- //
- cChannels = (UINT)pmxl->cChannels;
- if (MIXERCONTROL_CONTROLF_UNIFORM & pmxctrl->fdwControl)
- cChannels = 1;
- cMultipleItems = 1;
- if (MIXERCONTROL_CONTROLF_MULTIPLE & pmxctrl->fdwControl)
- cMultipleItems = (UINT)pmxctrl->cMultipleItems;
- cb = sizeof(*pmaci_switch);
- cb += cChannels * cMultipleItems * sizeof(pmaci_switch->pmxcd_f[0]);
- pmaci_switch = (PMACONTROLINSTANCE_SWITCH)LocalAlloc(LPTR, cb);
- if (NULL == pmaci_switch)
- {
- DPF(0, "!MixAppInitDialogSwitch: failed trying to alloc %u bytes for control instance!", cb);
- return (FALSE);
- }
- //
- //
- //
- SetWindowLong(hwnd, DWL_USER, (LPARAM)(UINT)pmaci_switch);
- pmaci_switch->pmaci = pmaci;
- //
- //
- //
- //
- cycap = GetSystemMetrics(SM_CYCAPTION);
- hcheck = GetDlgItem(hwnd, IDD_MACONTROL_GRP_MULTICHANNEL);
- GetWindowRect(hcheck, &rcM);
- InflateRect(&rcM, -10, -20);
- ScreenToClient(hwnd, (LPPOINT)&rcM.left);
- ScreenToClient(hwnd, (LPPOINT)&rcM.right);
- rcM.bottom = rcM.top + cycap;
- for (u = 0; u < cChannels; u++)
- {
- for (v = 0; v < cMultipleItems; v++)
- {
- uIndex = (u * cMultipleItems) + v;
- hcheck = CreateWindow(szButton, pmxctrl->szShortName, FCB_DEF_STYLE,
- rcM.left, rcM.top,
- rcM.right - rcM.left,
- rcM.bottom - rcM.top,
- hwnd, (HMENU)(IDD_MACONTROL_MULTICHANNEL_BASE + uIndex),
- ghinst, NULL);
- rcM.top += cycap + 4;
- rcM.bottom += cycap + 4;
- }
- //
- // add more separation between channels
- //
- rcM.top += cycap;
- rcM.bottom += cycap;
- }
- //
- //
- //
- //
- hcheck = GetDlgItem(hwnd, IDD_MACONTROL_GRP_UNIFORM);
- GetWindowRect(hcheck, &rcU);
- InflateRect(&rcU, -10, -20);
- ScreenToClient(hwnd, (LPPOINT)&rcU.left);
- ScreenToClient(hwnd, (LPPOINT)&rcU.right);
- rcU.bottom = rcU.top + cycap;
- for (v = 0; v < cMultipleItems; v++)
- {
- hcheck = CreateWindow(szButton, pmxctrl->szShortName, FCB_DEF_STYLE,
- rcU.left, rcU.top,
- rcU.right - rcU.left,
- rcU.bottom - rcU.top,
- hwnd, (HMENU)(IDD_MACONTROL_UNIFORM_BASE + v),
- ghinst, NULL);
- rcU.top += cycap + 4;
- rcU.bottom += cycap + 4;
- }
- //
- //
- //
- SendMessage(hwnd,
- MM_MIXM_LINE_CHANGE,
- (WPARAM)pmaci->hmx,
- pmxl->dwLineID);
- SendMessage(hwnd,
- MM_MIXM_CONTROL_CHANGE,
- (WPARAM)pmaci->hmx,
- pmxctrl->dwControlID);
- return (TRUE);
- } // MixAppInitDialogSwitch()
- //==========================================================================;
- //
- //
- //
- //
- //==========================================================================;
- //--------------------------------------------------------------------------;
- //
- // BOOL MixAppDlgProcControlSwitch
- //
- // Description:
- //
- //
- // Arguments:
- // HWND hwnd:
- //
- // UINT uMsg:
- //
- // WPARAM wParam:
- //
- // LPARAM lParam:
- //
- // Return (BOOL):
- //
- // History:
- // 07/22/93
- //
- //--------------------------------------------------------------------------;
- BOOL CALLBACK MixAppDlgProcControlSwitch
- (
- HWND hwnd,
- UINT uMsg,
- WPARAM wParam,
- LPARAM lParam
- )
- {
- LRESULT lr;
- HLOCAL hl;
- UINT uId;
- if (WM_COMMAND == uMsg)
- {
- uId = GET_WM_COMMAND_ID(wParam, lParam);
- if (IDD_MACONTROL_GRP_MULTICHANNEL <= uId)
- {
- MixAppControlSetSwitch(hwnd, GET_WM_COMMAND_HWND(wParam, lParam));
- return (TRUE);
- }
- }
- //
- //
- //
- switch (uMsg)
- {
- case WM_INITDIALOG:
- lr = HANDLE_WM_INITDIALOG(hwnd, wParam, lParam, MixAppInitDialogSwitch);
- if (FALSE == lr)
- {
- EndDialog(hwnd, FALSE);
- }
- else
- {
- ghdlgControl = hwnd;
- }
- return (TRUE);
- case MM_MIXM_LINE_CHANGE:
- MixAppLineChangeSwitch(hwnd, (HMIXER)wParam, lParam);
- return (TRUE);
- case MM_MIXM_CONTROL_CHANGE:
- MixAppControlChangeSwitch(hwnd, (HMIXER)wParam, lParam);
- return (TRUE);
- case WM_COMMAND:
- uId = GET_WM_COMMAND_ID(wParam, lParam);
- switch (uId)
- {
- case IDCANCEL:
- case IDOK:
- hl = (HLOCAL)(UINT)GetWindowLong(hwnd, DWL_USER);
- LocalFree(hl);
- EndDialog(hwnd, TRUE);
- ghdlgControl = NULL;
- break;
- }
- break;
- }
- return (FALSE);
- } // MixAppDlgProcControlSwitch()