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reactos/base/applications/mplay32/mplay32.c

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/*
* PROJECT: ReactOS Multimedia Player
* FILE: base/applications/mplay32/mplay32.c
* PROGRAMMERS: Dmitry Chapyshev (dmitry@reactos.org)
*/
#include "mplay32.h"
#define IDT_PLAYTIMER 1000
#define MAIN_WINDOW_HEIGHT 125
#define MAIN_WINDOW_MIN_WIDTH 250
#define MAX_MCISTR 256
HINSTANCE hInstance = NULL;
HWND hTrackBar = NULL;
HWND hToolBar = NULL;
HWND hTimeDisplay = NULL;
HMENU hMainMenu = NULL;
TCHAR szAppTitle[256] = _T("");
TCHAR szDefaultFilter[MAX_PATH] = _T("");
TCHAR szCurrentFile[MAX_PATH] = _T("");
LPTSTR szFilter = NULL;
WORD wDeviceId = 0;
BOOL bRepeat = FALSE;
BOOL bIsSingleWindow = FALSE;
UINT MaxFilePos = 0;
RECT PrevWindowPos;
static DWORD GetDeviceMode(HWND hwnd);
/* ToolBar Buttons */
static const TBBUTTON Buttons[] =
{ /* iBitmap, idCommand, fsState, fsStyle, bReserved[2], dwData, iString */
{TBICON_PLAY, IDC_PLAY, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
{TBICON_STOP, IDC_STOP, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
{TBICON_EJECT, IDC_EJECT, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
{15, 0, TBSTATE_ENABLED, BTNS_SEP, {0}, 0, 0},
{TBICON_BACKWARD, IDC_BACKWARD, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
{TBICON_SEEKBACK, IDC_SEEKBACK, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
{TBICON_SEEKFORW, IDC_SEEKFORW, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
{TBICON_FORWARD, IDC_FORWARD, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0},
// {TBICON_PAUSE, IDC_PAUSE, TBSTATE_ENABLED, BTNS_BUTTON, {0}, 0, 0}
};
void EnableMenuItems(HWND hwnd)
{
MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
MCI_DGV_RECT_PARMS mciVideoRect;
MCI_DGV_WINDOW_PARMSW mciVideoWindow;
EnableMenuItem(hMainMenu, IDM_CLOSE_FILE, MF_BYCOMMAND | MF_ENABLED);
mciError = mciSendCommand(wDeviceId, MCI_CONFIGURE, MCI_TEST, (DWORD_PTR)&mciGeneric);
if (mciError == 0)
{
EnableMenuItem(hMainMenu, IDM_DEVPROPS, MF_BYCOMMAND | MF_ENABLED);
}
mciVideoWindow.hWnd = hwnd;
mciError = mciSendCommand(wDeviceId, MCI_WINDOW, MCI_DGV_WINDOW_HWND | MCI_TEST, (DWORD_PTR)&mciVideoWindow);
if (!mciError)
{
mciError = mciSendCommand(wDeviceId, MCI_WHERE, MCI_DGV_WHERE_SOURCE | MCI_TEST, (DWORD_PTR)&mciVideoRect);
if (!mciError)
{
EnableMenuItem(hMainMenu, IDM_SWITCHVIEW, MF_BYCOMMAND | MF_ENABLED);
}
}
}
void DisableMenuItems(void)
{
EnableMenuItem(hMainMenu, IDM_CLOSE_FILE, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hMainMenu, IDM_DEVPROPS, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hMainMenu, IDM_SWITCHVIEW, MF_BYCOMMAND | MF_GRAYED);
}
void ResizeClientArea(HWND hwnd, int nWidth, int nHeight)
{
RECT rcClientRect;
RECT rcWindowRect;
POINT ptDifference;
GetClientRect(hwnd, &rcClientRect);
GetWindowRect(hwnd, &rcWindowRect);
ptDifference.x = (rcWindowRect.right - rcWindowRect.left) - rcClientRect.right;
ptDifference.y = (rcWindowRect.bottom - rcWindowRect.top) - rcClientRect.bottom;
MoveWindow(hwnd, rcWindowRect.left, rcWindowRect.top, nWidth + ptDifference.x, nHeight + ptDifference.y, TRUE);
}
void UpdateWindowCaption(HWND hwnd)
{
TCHAR szNewTitle[MAX_PATH + 3 + 256];
TCHAR szStatus[128];
if (wDeviceId == 0)
{
SetWindowText(hwnd, szAppTitle);
return;
}
switch (GetDeviceMode(hwnd))
{
case MCI_MODE_PAUSE:
{
LoadString(hInstance, IDS_MODE_PAUSE, szStatus, ARRAYSIZE(szStatus));
break;
}
case MCI_MODE_STOP:
{
LoadString(hInstance, IDS_MODE_STOP, szStatus, ARRAYSIZE(szStatus));
break;
}
case MCI_MODE_PLAY:
{
LoadString(hInstance, IDS_MODE_PLAY, szStatus, ARRAYSIZE(szStatus));
break;
}
case MCI_MODE_OPEN:
{
LoadString(hInstance, IDS_MODE_OPEN, szStatus, ARRAYSIZE(szStatus));
break;
}
case MCI_MODE_RECORD:
{
LoadString(hInstance, IDS_MODE_RECORD, szStatus, ARRAYSIZE(szStatus));
break;
}
case MCI_MODE_SEEK:
{
LoadString(hInstance, IDS_MODE_SEEK, szStatus, ARRAYSIZE(szStatus));
break;
}
case MCI_MODE_NOT_READY:
{
LoadString(hInstance, IDS_MODE_NOT_READY, szStatus, ARRAYSIZE(szStatus));
break;
}
default:
{
LoadString(hInstance, IDS_MODE_UNKNOWN, szStatus, ARRAYSIZE(szStatus));
}
}
StringCbPrintf(szNewTitle, sizeof(szNewTitle), _T("%s - %s (%s)"), szAppTitle, szCurrentFile, szStatus);
SetWindowText(hwnd, szNewTitle);
}
void UpdateTimeDisplay(HWND hwnd)
{
MCI_STATUS_PARMS mciStatus;
TCHAR szTime[MAX_MCISTR];
DWORD dwTimeFormat;
if (!wDeviceId)
{
SetWindowText(hwnd, _T(""));
return;
}
mciStatus.dwItem = MCI_STATUS_TIME_FORMAT;
mciStatus.dwReturn = 0;
mciSendCommand(wDeviceId, MCI_STATUS, MCI_STATUS_ITEM, (DWORD_PTR)&mciStatus);
dwTimeFormat = mciStatus.dwReturn;
mciStatus.dwItem = MCI_STATUS_POSITION;
mciStatus.dwReturn = 0;
mciSendCommand(wDeviceId, MCI_STATUS, MCI_STATUS_ITEM, (DWORD_PTR)&mciStatus);
switch(dwTimeFormat)
{
case MCI_FORMAT_MILLISECONDS:
{
int s, m, h;
s = (mciStatus.dwReturn / 1000) % 60;
m = ((mciStatus.dwReturn / (1000*60)) % 60);
h = ((mciStatus.dwReturn / (1000*60*60)) % 24);
StringCbPrintf(szTime, sizeof(szTime), _T("%02lu:%02lu:%02lu"), h, m, s);
break;
}
/* The time format is unknown, so use the returned position as is */
default:
{
StringCbPrintf(szTime, sizeof(szTime), _T("%lu"), mciStatus.dwReturn);
break;
}
}
SetWindowText(hwnd, szTime);
}
static VOID
ShowLastWin32Error(HWND hwnd)
{
LPTSTR lpMessageBuffer;
DWORD dwError = GetLastError();
if (dwError == ERROR_SUCCESS)
return;
if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
dwError,
LANG_USER_DEFAULT,
(LPTSTR)&lpMessageBuffer,
0, NULL))
{
return;
}
MessageBox(hwnd, lpMessageBuffer, szAppTitle, MB_OK | MB_ICONERROR);
LocalFree(lpMessageBuffer);
}
static VOID
SetImageList(HWND hwnd)
{
HIMAGELIST hImageList;
hImageList = ImageList_Create(16, 16, ILC_MASK | ILC_COLOR24, 1, 1);
if (!hImageList)
{
ShowLastWin32Error(hwnd);
return;
}
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_PLAYICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_STOPICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_EJECTICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_BACKWARDICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_SEEKBACKICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_SEEKFORWICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_FORWARDICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_AddMasked(hImageList,
LoadImage(hInstance, MAKEINTRESOURCE(IDB_PAUSEICON), IMAGE_BITMAP, 16, 16, LR_DEFAULTCOLOR),
RGB(255, 255, 255));
ImageList_Destroy((HIMAGELIST)SendMessage(hToolBar,
TB_SETIMAGELIST,
0,
(LPARAM)hImageList));
}
static VOID
ShowMCIError(HWND hwnd, MCIERROR mciError)
{
TCHAR szErrorMessage[MAX_MCISTR];
TCHAR szTempMessage[MAX_MCISTR + 44];
if (mciGetErrorString(mciError, szErrorMessage, ARRAYSIZE(szErrorMessage)) == FALSE)
{
LoadString(hInstance, IDS_DEFAULTMCIERRMSG, szErrorMessage, ARRAYSIZE(szErrorMessage));
}
StringCbPrintf(szTempMessage, sizeof(szTempMessage), _T("MMSYS%lu: %s"), mciError, szErrorMessage);
MessageBox(hwnd, szTempMessage, szAppTitle, MB_OK | MB_ICONEXCLAMATION);
}
static VOID
InitControls(HWND hwnd)
{
INT NumButtons = ARRAYSIZE(Buttons);
InitCommonControls();
/* Create trackbar */
hTrackBar = CreateWindowEx(0,
TRACKBAR_CLASS,
NULL,
TBS_ENABLESELRANGE | WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_CLIPSIBLINGS,
0,
0,
340,
20,
hwnd,
NULL,
hInstance,
NULL);
if (!hTrackBar)
{
ShowLastWin32Error(hwnd);
return;
}
/* Create toolbar */
hToolBar = CreateWindowEx(0,
TOOLBARCLASSNAME,
NULL,
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_CLIPSIBLINGS |
TBSTYLE_FLAT | CCS_BOTTOM | TBSTYLE_TOOLTIPS,
0,
40,
340,
30,
hwnd,
NULL,
hInstance,
NULL);
if (!hToolBar)
{
ShowLastWin32Error(hwnd);
return;
}
hTimeDisplay = CreateWindowEx(0,
L"STATIC",
NULL,
WS_CHILD | WS_VISIBLE | SS_CENTER | SS_SUNKEN,
195,
4,
135,
18,
hToolBar,
NULL,
hInstance,
NULL);
if (!hTimeDisplay)
{
ShowLastWin32Error(hwnd);
return;
}
SetImageList(hwnd);
SendMessage(hToolBar, TB_ADDBUTTONS, NumButtons, (LPARAM)Buttons);
}
static VOID
SwitchViewMode(HWND hwnd)
{
MCIERROR mciError;
MCI_DGV_RECT_PARMS mciVideoRect;
MCI_DGV_WINDOW_PARMSW mciVideoWindow;
RECT rcToolbarRect;
RECT rcTempRect;
mciVideoWindow.hWnd = hwnd;
mciError = mciSendCommand(wDeviceId, MCI_WINDOW, MCI_DGV_WINDOW_HWND | MCI_TEST, (DWORD_PTR)&mciVideoWindow);
if (mciError != 0)
return;
mciError = mciSendCommand(wDeviceId, MCI_WHERE, MCI_DGV_WHERE_SOURCE | MCI_TEST, (DWORD_PTR)&mciVideoRect);
if (mciError != 0)
return;
if (!bIsSingleWindow)
{
GetWindowRect(hwnd, &PrevWindowPos);
SetParent(hTrackBar, hToolBar);
mciError = mciSendCommand(wDeviceId, MCI_WHERE, MCI_DGV_WHERE_SOURCE, (DWORD_PTR)&mciVideoRect);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
GetWindowRect(hToolBar, &rcToolbarRect);
ResizeClientArea(hwnd, mciVideoRect.rc.right, mciVideoRect.rc.bottom + (rcToolbarRect.bottom - rcToolbarRect.top));
mciError = mciSendCommand(wDeviceId, MCI_WINDOW, MCI_DGV_WINDOW_HWND, (DWORD_PTR)&mciVideoWindow);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
GetWindowRect(hToolBar, &rcTempRect);
MoveWindow(hTrackBar, 180, 0, rcTempRect.right - rcTempRect.left - 322, 25, TRUE);
MoveWindow(hTimeDisplay, rcTempRect.right - rcTempRect.left - 140, 4, 135, 18, TRUE);
CheckMenuItem(hMainMenu, IDM_SWITCHVIEW, MF_BYCOMMAND | MF_CHECKED);
bIsSingleWindow = TRUE;
}
else
{
bIsSingleWindow = FALSE;
CheckMenuItem(hMainMenu, IDM_SWITCHVIEW, MF_BYCOMMAND | MF_UNCHECKED);
mciVideoWindow.hWnd = MCI_DGV_WINDOW_DEFAULT;
mciError = mciSendCommand(wDeviceId, MCI_WINDOW, MCI_DGV_WINDOW_HWND, (DWORD_PTR)&mciVideoWindow);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
SetParent(hTrackBar, hwnd);
MoveWindow(hwnd, PrevWindowPos.left, PrevWindowPos.top, PrevWindowPos.right - PrevWindowPos.left, PrevWindowPos.bottom - PrevWindowPos.top, TRUE);
}
}
static DWORD
GetNumDevices(VOID)
{
MCI_SYSINFO_PARMS mciSysInfo;
DWORD dwNumDevices = 0;
mciSysInfo.dwCallback = 0;
mciSysInfo.lpstrReturn = (LPTSTR)&dwNumDevices;
mciSysInfo.dwRetSize = sizeof(dwNumDevices);
mciSysInfo.dwNumber = 0;
mciSysInfo.wDeviceType = MCI_ALL_DEVICE_ID;
mciSendCommand(MCI_ALL_DEVICE_ID, MCI_SYSINFO, MCI_SYSINFO_QUANTITY, (DWORD_PTR)&mciSysInfo);
return *(DWORD*)mciSysInfo.lpstrReturn;
}
static DWORD
GetDeviceName(DWORD dwDeviceIndex, LPTSTR lpDeviceName, DWORD dwDeviceNameSize)
{
MCI_SYSINFO_PARMS mciSysInfo;
mciSysInfo.dwCallback = 0;
mciSysInfo.lpstrReturn = lpDeviceName;
mciSysInfo.dwRetSize = dwDeviceNameSize;
mciSysInfo.dwNumber = dwDeviceIndex;
mciSysInfo.wDeviceType = MCI_DEVTYPE_WAVEFORM_AUDIO;
return mciSendCommand(MCI_ALL_DEVICE_ID, MCI_SYSINFO, MCI_SYSINFO_NAME, (DWORD_PTR)&mciSysInfo);
}
static DWORD
GetDeviceFriendlyName(LPTSTR lpDeviceName, LPTSTR lpFriendlyName, DWORD dwFriendlyNameSize)
{
MCIERROR mciError;
MCI_OPEN_PARMS mciOpen;
MCI_INFO_PARMS mciInfo;
MCI_GENERIC_PARMS mciGeneric;
mciOpen.dwCallback = 0;
mciOpen.wDeviceID = 0;
mciOpen.lpstrDeviceType = lpDeviceName;
mciOpen.lpstrElementName = NULL;
mciOpen.lpstrAlias = NULL;
mciError = mciSendCommand(0, MCI_OPEN, MCI_OPEN_TYPE | MCI_WAIT, (DWORD_PTR)&mciOpen);
if (mciError != 0)
return mciError;
mciInfo.dwCallback = 0;
mciInfo.lpstrReturn = lpFriendlyName;
mciInfo.dwRetSize = dwFriendlyNameSize;
mciError = mciSendCommand(mciOpen.wDeviceID, MCI_INFO, MCI_INFO_PRODUCT, (DWORD_PTR)&mciInfo);
mciGeneric.dwCallback = 0;
mciSendCommand(mciOpen.wDeviceID, MCI_CLOSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
return mciError;
}
static BOOL
DeviceUsesFiles(LPTSTR lpDeviceName)
{
MCIERROR mciError;
MCI_OPEN_PARMS mciOpen;
MCI_GETDEVCAPS_PARMS mciDevCaps;
MCI_GENERIC_PARMS mciGeneric;
mciOpen.dwCallback = 0;
mciOpen.wDeviceID = 0;
mciOpen.lpstrDeviceType = lpDeviceName;
mciOpen.lpstrElementName = NULL;
mciOpen.lpstrAlias = NULL;
mciError = mciSendCommand(0, MCI_OPEN, MCI_OPEN_TYPE | MCI_WAIT, (DWORD_PTR)&mciOpen);
if (mciError != 0)
return FALSE;
mciDevCaps.dwCallback = 0;
mciDevCaps.dwReturn = 0;
mciDevCaps.dwItem = MCI_GETDEVCAPS_USES_FILES;
mciError = mciSendCommand(mciOpen.wDeviceID, MCI_GETDEVCAPS, MCI_WAIT | MCI_GETDEVCAPS_ITEM, (DWORD_PTR)&mciDevCaps);
if (mciError != 0)
return FALSE;
mciGeneric.dwCallback = 0;
mciSendCommand(mciOpen.wDeviceID, MCI_CLOSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
return (BOOL)mciDevCaps.dwReturn;
}
static MCIERROR
CloseMciDevice(VOID)
{
MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
if (wDeviceId)
{
mciError = mciSendCommand(wDeviceId, MCI_CLOSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
if (mciError != 0) return mciError;
wDeviceId = 0;
}
UpdateTimeDisplay(hTimeDisplay);
DisableMenuItems();
return 0;
}
static MCIERROR
OpenMciDevice(HWND hwnd, LPTSTR lpType, LPTSTR lpFileName)
{
MCIERROR mciError;
MCI_STATUS_PARMS mciStatus;
MCI_OPEN_PARMS mciOpen;
DWORD dwFlags = MCI_WAIT;
LPTSTR lpStr;
if (wDeviceId)
CloseMciDevice();
mciOpen.lpstrDeviceType = lpType;
mciOpen.lpstrElementName = lpFileName;
mciOpen.dwCallback = 0;
mciOpen.wDeviceID = 0;
mciOpen.lpstrAlias = NULL;
if (lpType)
dwFlags |= MCI_OPEN_TYPE;
if (lpFileName)
dwFlags |= MCI_OPEN_ELEMENT;
mciError = mciSendCommand(0, MCI_OPEN, dwFlags, (DWORD_PTR)&mciOpen);
if (mciError != 0)
return mciError;
mciStatus.dwItem = MCI_STATUS_LENGTH;
mciError = mciSendCommand(mciOpen.wDeviceID, MCI_STATUS, MCI_STATUS_ITEM | MCI_WAIT, (DWORD_PTR)&mciStatus);
if (mciError != 0)
return mciError;
SendMessage(hTrackBar, TBM_SETRANGEMIN, (WPARAM)TRUE, (LPARAM)1);
SendMessage(hTrackBar, TBM_SETRANGEMAX, (WPARAM)TRUE, (LPARAM)mciStatus.dwReturn);
SendMessage(hTrackBar, TBM_SETPAGESIZE, 0, 10);
SendMessage(hTrackBar, TBM_SETLINESIZE, 0, 1);
SendMessage(hTrackBar, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)1);
if (mciStatus.dwReturn < 10000)
{
SendMessage(hTrackBar, TBM_SETTICFREQ, (WPARAM)100, (LPARAM)0);
}
else if (mciStatus.dwReturn < 100000)
{
SendMessage(hTrackBar, TBM_SETTICFREQ, (WPARAM)1000, (LPARAM)0);
}
else if (mciStatus.dwReturn < 1000000)
{
SendMessage(hTrackBar, TBM_SETTICFREQ, (WPARAM)10000, (LPARAM)0);
}
else
{
SendMessage(hTrackBar, TBM_SETTICFREQ, (WPARAM)100000, (LPARAM)0);
}
MaxFilePos = mciStatus.dwReturn;
wDeviceId = mciOpen.wDeviceID;
/* NOTE: Everything above this line may be done instead in OpenMediaFile() */
if (lpFileName)
{
lpStr = _tcsrchr(lpFileName, _T('\\'));
if (lpStr) // Get only the file name (skip the last path separator)
lpStr++;
else
lpStr = lpFileName;
}
else
lpStr = lpType;
StringCbCopy(szCurrentFile, sizeof(szCurrentFile), lpStr);
EnableMenuItems(hwnd);
UpdateTimeDisplay(hTimeDisplay);
UpdateWindowCaption(hwnd);
return 0;
}
static DWORD
GetDeviceMode(HWND hwnd)
{
MCIERROR mciError;
MCI_STATUS_PARMS mciStatus;
mciStatus.dwItem = MCI_STATUS_MODE;
mciError = mciSendCommand(wDeviceId, MCI_STATUS, MCI_WAIT | MCI_STATUS_ITEM, (DWORD_PTR)&mciStatus);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return MCI_MODE_NOT_READY;
}
return mciStatus.dwReturn;
}
static VOID
StopPlayback(HWND hwnd)
{
MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
MCI_SEEK_PARMS mciSeek;
if (wDeviceId == 0) return;
KillTimer(hwnd, IDT_PLAYTIMER);
SendMessage(hTrackBar, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)1);
mciGeneric.dwCallback = (DWORD_PTR)hwnd;
mciError = mciSendCommand(wDeviceId, MCI_STOP, MCI_WAIT, (DWORD_PTR)&mciGeneric);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
mciSendCommand(wDeviceId, MCI_SEEK, MCI_WAIT | MCI_SEEK_TO_START, (DWORD_PTR)&mciSeek);
UpdateTimeDisplay(hTimeDisplay);
UpdateWindowCaption(hwnd);
SendMessage(hToolBar,
TB_SETCMDID,
0,
IDC_PLAY);
SendMessage(hToolBar,
TB_CHANGEBITMAP,
IDC_PLAY,
IDB_PLAYICON - IDB_PLAYICON);
}
static VOID
SeekPlayback(HWND hwnd, DWORD dwNewPos)
{
MCIERROR mciError;
MCI_SEEK_PARMS mciSeek;
MCI_PLAY_PARMS mciPlay;
if (wDeviceId == 0) return;
mciSeek.dwTo = (DWORD_PTR)dwNewPos;
mciError = mciSendCommand(wDeviceId, MCI_SEEK, MCI_WAIT | MCI_TO, (DWORD_PTR)&mciSeek);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
}
mciPlay.dwCallback = (DWORD_PTR)hwnd;
mciError = mciSendCommand(wDeviceId, MCI_PLAY, MCI_NOTIFY, (DWORD_PTR)&mciPlay);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
}
}
static VOID
SeekBackPlayback(HWND hwnd)
{
MCI_STATUS_PARMS mciStatus;
DWORD dwNewPos;
if (wDeviceId == 0) return;
mciStatus.dwItem = MCI_STATUS_POSITION;
mciSendCommand(wDeviceId, MCI_STATUS, MCI_STATUS_ITEM, (DWORD_PTR)&mciStatus);
dwNewPos = mciStatus.dwReturn - 1;
if ((UINT)dwNewPos <= 1)
{
StopPlayback(hwnd);
}
else
{
SeekPlayback(hwnd, dwNewPos);
}
}
static VOID
SeekForwPlayback(HWND hwnd)
{
MCI_STATUS_PARMS mciStatus;
DWORD dwNewPos;
if (wDeviceId == 0) return;
mciStatus.dwItem = MCI_STATUS_POSITION;
mciSendCommand(wDeviceId, MCI_STATUS, MCI_STATUS_ITEM, (DWORD_PTR)&mciStatus);
dwNewPos = mciStatus.dwReturn + 1;
if ((UINT)dwNewPos >= MaxFilePos)
{
StopPlayback(hwnd);
}
else
{
SeekPlayback(hwnd, dwNewPos);
}
}
VOID CALLBACK
PlayTimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{
MCI_STATUS_PARMS mciStatus;
DWORD dwPos;
if (wDeviceId == 0) KillTimer(hwnd, IDT_PLAYTIMER);
mciStatus.dwItem = MCI_STATUS_POSITION;
mciSendCommand(wDeviceId, MCI_STATUS, MCI_STATUS_ITEM, (DWORD_PTR)&mciStatus);
dwPos = mciStatus.dwReturn;
SendMessage(hTrackBar, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)dwPos);
UpdateTimeDisplay(hTimeDisplay);
}
static VOID
StartPlayback(HWND hwnd)
{
MCIERROR mciError;
MCI_PLAY_PARMS mciPlay;
MCI_SEEK_PARMS mciSeek;
SetTimer(hwnd, IDT_PLAYTIMER, 100, (TIMERPROC)PlayTimerProc);
mciSendCommand(wDeviceId, MCI_SEEK, MCI_WAIT | MCI_SEEK_TO_START, (DWORD_PTR)&mciSeek);
mciPlay.dwCallback = (DWORD_PTR)hwnd;
mciPlay.dwFrom = 0;
mciPlay.dwTo = MaxFilePos;
mciError = mciSendCommand(wDeviceId, MCI_PLAY, MCI_NOTIFY | MCI_FROM /*| MCI_TO*/, (DWORD_PTR)&mciPlay);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
UpdateWindowCaption(hwnd);
SendMessage(hToolBar,
TB_SETCMDID,
0,
IDC_PAUSE);
SendMessage(hToolBar,
TB_CHANGEBITMAP,
IDC_PAUSE,
IDB_PAUSEICON - IDB_PLAYICON);
}
static VOID
TogglePlaybackState(HWND hwnd)
{
MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
ULONG idBmp = IDB_PLAYICON;
ULONG idCmd = IDC_PLAY;
if (wDeviceId == 0) return;
switch (GetDeviceMode(hwnd))
{
case MCI_MODE_OPEN:
case MCI_MODE_STOP:
{
StartPlayback(hwnd);
return;
}
case MCI_MODE_PLAY:
{
mciGeneric.dwCallback = (DWORD_PTR)hwnd;
mciError = mciSendCommand(wDeviceId, MCI_PAUSE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
idBmp = IDB_PLAYICON;
idCmd = IDC_PLAY;
break;
}
case MCI_MODE_PAUSE:
{
mciGeneric.dwCallback = (DWORD_PTR)hwnd;
mciError = mciSendCommand(wDeviceId, MCI_RESUME, MCI_WAIT, (DWORD_PTR)&mciGeneric);
idBmp = IDB_PAUSEICON;
idCmd = IDC_PAUSE;
break;
}
default:
{
return;
}
}
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
UpdateWindowCaption(hwnd);
SendMessage(hToolBar,
TB_SETCMDID,
0,
idCmd);
SendMessage(hToolBar,
TB_CHANGEBITMAP,
idCmd,
idBmp - IDB_PLAYICON);
}
static VOID
ShowDeviceProperties(HWND hwnd)
{
MCIERROR mciError;
MCI_GENERIC_PARMS mciGeneric;
mciError = mciSendCommand(wDeviceId, MCI_CONFIGURE, MCI_WAIT, (DWORD_PTR)&mciGeneric);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
}
}
static VOID
CloseMediaFile(HWND hwnd)
{
StopPlayback(hwnd);
if (bIsSingleWindow)
SwitchViewMode(hwnd);
CloseMciDevice();
UpdateWindowCaption(hwnd);
}
static VOID
OpenMediaFile(HWND hwnd, LPTSTR lpFileName, LPTSTR lpType)
{
MCIERROR mciError;
if (GetFileAttributes(lpFileName) == INVALID_FILE_ATTRIBUTES)
return;
if (wDeviceId)
CloseMediaFile(hwnd);
mciError = OpenMciDevice(hwnd, lpType, lpFileName);
if (mciError != 0)
{
ShowMCIError(hwnd, mciError);
return;
}
StartPlayback(hwnd);
}
static DWORD
InsertDeviceMenuItem(HMENU hMenu, UINT uItem, BOOL fByPosition, UINT uItemID, DWORD dwDeviceIndex)
{
MENUITEMINFO lpmii;
MCIERROR mciError;
TCHAR szDeviceName[MAX_MCISTR];
TCHAR szFriendlyName[MAX_MCISTR];
mciError = GetDeviceName(dwDeviceIndex, szDeviceName, sizeof(szDeviceName));
if (mciError)
{
return mciError;
}
mciError = GetDeviceFriendlyName(szDeviceName, szFriendlyName, sizeof(szFriendlyName));
if (mciError)
{
return mciError;
}
if (DeviceUsesFiles(szDeviceName))
{
StringCbCat(szFriendlyName, sizeof(szFriendlyName), _T("..."));
}
ZeroMemory(&lpmii, sizeof(MENUITEMINFO));
lpmii.cbSize = sizeof(lpmii);
lpmii.fMask = MIIM_DATA | MIIM_TYPE | MIIM_ID;
lpmii.wID = uItemID;
lpmii.fType = MF_STRING;
lpmii.dwTypeData = szFriendlyName;
lpmii.dwItemData = dwDeviceIndex;
InsertMenuItem(hMenu, uItem, fByPosition, &lpmii);
return 0;
}
static VOID
BuildFileFilterAndDeviceMenu(VOID)
{
TCHAR szDeviceName[MAX_MCISTR];
TCHAR szFriendlyName[MAX_MCISTR];
TCHAR *szDevice = NULL;
static TCHAR szDefaultExtension[] = _T("*.*");
TCHAR *szExtensionList = NULL;
TCHAR *szExtension = NULL;
TCHAR *c = NULL;
TCHAR *d = NULL;
DWORD dwNumValues;
DWORD dwNumDevices;
DWORD dwValueNameLen;
DWORD dwValueDataSize;
DWORD dwMaskLen;
DWORD dwFilterSize;
DWORD dwDeviceSize;
DWORD dwExtensionLen;
DWORD dwPosition = 0;
DWORD i;
DWORD j;
UINT uSizeRemain;
UINT uMaskRemain;
HKEY hKey = NULL;
/* Always load the default (all files) filter */
LoadString(hInstance, IDS_ALL_TYPES_FILTER, szDefaultFilter, ARRAYSIZE(szDefaultFilter));
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\MCI Extensions"), 0, KEY_READ, &hKey) != ERROR_SUCCESS)
{
goto Failure;
}
if (RegQueryInfoKey(hKey, NULL, NULL, NULL, NULL, NULL, NULL, &dwNumValues, &dwValueNameLen, &dwValueDataSize, NULL, NULL) != ERROR_SUCCESS)
{
goto Failure;
}
dwMaskLen = ((dwValueNameLen + 3) * dwNumValues) + 1;
szExtensionList = malloc(dwMaskLen * sizeof(TCHAR));
if (!szExtensionList)
goto Failure;
dwNumDevices = GetNumDevices();
/* Allocate space for every pair of Device and Extension Filter */
dwFilterSize = (MAX_MCISTR + (dwMaskLen * 2) + 5) * dwNumDevices;
/* Add space for the "All supported" entry */
dwFilterSize = (dwFilterSize + (dwMaskLen * 2) + 7) * sizeof(TCHAR) + sizeof(szDefaultFilter);
szFilter = malloc(dwFilterSize);
if (!szFilter)
goto Failure;
szExtension = malloc((dwValueNameLen + 1) * sizeof(TCHAR));
if (!szExtension)
goto Failure;
szDevice = malloc(dwValueDataSize + sizeof(TCHAR));
if (!szDevice)
goto Failure;
ZeroMemory(szFilter, dwFilterSize);
uSizeRemain = dwFilterSize;
c = szFilter;
for (j = 1; j <= dwNumDevices; j++)
{
if (GetDeviceName(j, szDeviceName, sizeof(szDeviceName)))
{
continue;
}
if (GetDeviceFriendlyName(szDeviceName, szFriendlyName, sizeof(szFriendlyName)))
{
continue;
}
/* Insert a menu item under the "Device" menu for every found MCI device */
InsertDeviceMenuItem(GetSubMenu(hMainMenu, 3), dwPosition, TRUE, IDM_DEVICE_FIRST + dwPosition, j);
dwPosition++;
/* Copy the default extension list, that may be overwritten after... */
StringCbCopy(szExtensionList, dwMaskLen * sizeof(TCHAR), szDefaultExtension);
/* Try to determine the real extension list */
uMaskRemain = dwMaskLen * sizeof(TCHAR);
d = szExtensionList;
for (i = 0; i < dwNumValues; i++)
{
dwExtensionLen = dwValueNameLen + 1;
dwDeviceSize = dwValueDataSize + sizeof(TCHAR);
ZeroMemory(szDevice, dwDeviceSize);
if (RegEnumValue(hKey, i, szExtension, &dwExtensionLen, NULL, NULL, (LPBYTE)szDevice, &dwDeviceSize) == ERROR_SUCCESS)
{
CharLowerBuff(szDevice, dwDeviceSize / sizeof(TCHAR));
CharLowerBuff(szDeviceName, ARRAYSIZE(szDeviceName));
if (_tcscmp(szDeviceName, szDevice) == 0)
{
CharLowerBuff(szExtension, dwExtensionLen);
StringCbPrintfEx(d, uMaskRemain, &d, &uMaskRemain, 0, _T("%s%s%s"), _T("*."), szExtension, _T(";"));
}
}
}
/* Remove the last separator */
d--;
uSizeRemain += sizeof(*d);
*d = _T('\0');
/* Add the description */
StringCbPrintfEx(c, uSizeRemain, &c, &uSizeRemain, 0, _T("%s (%s)"), szFriendlyName, szExtensionList);
/* Skip one char to separate the description from the filter mask */
c++;
uSizeRemain -= sizeof(*c);
/* Append the filter mask */
StringCbCopyEx(c, uSizeRemain, szExtensionList, &c, &uSizeRemain, 0);
/* Skip another char to separate the elements of the filter mask */
c++;
uSizeRemain -= sizeof(*c);
}
/* Build the full list of supported extensions */
uMaskRemain = dwMaskLen * sizeof(TCHAR);
d = szExtensionList;
for (i = 0; i < dwNumValues; i++)
{
dwExtensionLen = dwValueNameLen + 1;
if (RegEnumValue(hKey, i, szExtension, &dwExtensionLen, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
{
CharLowerBuff(szExtension, dwExtensionLen);
StringCbPrintfEx(d, uMaskRemain, &d, &uMaskRemain, 0, _T("%s%s%s"), _T("*."), szExtension, _T(";"));
}
}
/* Remove the last separator */
d--;
uSizeRemain += sizeof(*d);
*d = _T('\0');
/* Add the default (all files) description */
StringCbPrintfEx(c, uSizeRemain, &c, &uSizeRemain, 0, _T("%s (%s)"), szDefaultFilter, szExtensionList);
/* Skip one char to separate the description from the filter mask */
c++;
uSizeRemain -= sizeof(*c);
/* Append the filter mask */
StringCbCopyEx(c, uSizeRemain, szExtensionList, &c, &uSizeRemain, 0);
Cleanup:
if (szExtensionList) free(szExtensionList);
if (szExtension) free(szExtension);
if (szDevice) free(szDevice);
RegCloseKey(hKey);
return;
Failure:
/* We failed at retrieving the supported files, so use the default filter */
if (szFilter) free(szFilter);
szFilter = szDefaultFilter;
uSizeRemain = sizeof(szDefaultFilter);
c = szFilter;
/* Add the default (all files) description */
StringCbPrintfEx(c, uSizeRemain, &c, &uSizeRemain, 0, _T("%s (%s)"), szDefaultFilter, szDefaultExtension);
/* Skip one char to separate the description from the filter mask */
c++;
uSizeRemain -= sizeof(*c);
/* Append the filter mask */
StringCbCopyEx(c, uSizeRemain, szDefaultExtension, &c, &uSizeRemain, 0);
goto Cleanup;
}
static VOID
CleanupFileFilter(VOID)
{
if (szFilter && szFilter != szDefaultFilter) free(szFilter);
}
static VOID
OpenFileDialog(HWND hwnd, DWORD dwFilterIndex, LPTSTR lpType)
{
OPENFILENAME OpenFileName;
TCHAR szFile[MAX_PATH + 1] = _T("");
TCHAR szCurrentDir[MAX_PATH];
ZeroMemory(&OpenFileName, sizeof(OpenFileName));
if (!GetCurrentDirectory(ARRAYSIZE(szCurrentDir), szCurrentDir))
{
StringCbCopy(szCurrentDir, sizeof(szCurrentDir), _T("c:\\"));
}
OpenFileName.lStructSize = sizeof(OpenFileName);
OpenFileName.hwndOwner = hwnd;
OpenFileName.hInstance = hInstance;
OpenFileName.lpstrFilter = szFilter;
OpenFileName.lpstrFile = szFile;
OpenFileName.nMaxFile = ARRAYSIZE(szFile);
OpenFileName.lpstrInitialDir = szCurrentDir;
OpenFileName.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_SHAREAWARE;
OpenFileName.lpstrDefExt = _T("\0");
OpenFileName.nFilterIndex = dwFilterIndex;
if (!GetOpenFileName(&OpenFileName))
return;
OpenMediaFile(hwnd, OpenFileName.lpstrFile, lpType);
}
static VOID
HandleDeviceMenuItem(HWND hwnd, UINT uItem)
{
MENUITEMINFO lpmii;
TCHAR szDeviceName[MAX_MCISTR];
MCIERROR mciError;
ZeroMemory(&lpmii, sizeof(MENUITEMINFO));
lpmii.cbSize = sizeof(lpmii);
lpmii.fMask = MIIM_DATA;
GetMenuItemInfo(hMainMenu, uItem, FALSE, &lpmii);
mciError = GetDeviceName(lpmii.dwItemData, szDeviceName, sizeof(szDeviceName));
if (mciError)
{
ShowMCIError(hwnd, mciError);
return;
}
if (DeviceUsesFiles(szDeviceName))
{
OpenFileDialog(hwnd, uItem - IDM_DEVICE_FIRST + 1, szDeviceName);
return;
}
mciError = OpenMciDevice(hwnd, szDeviceName, NULL);
if (mciError)
{
ShowMCIError(hwnd, mciError);
}
return;
}
LRESULT CALLBACK
MainWndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
switch (Message)
{
case WM_CREATE:
{
InitControls(hwnd);
hMainMenu = GetMenu(hwnd);
break;
}
case WM_DROPFILES:
{
HDROP drophandle;
TCHAR droppedfile[MAX_PATH];
drophandle = (HDROP)wParam;
DragQueryFile(drophandle, 0, droppedfile, ARRAYSIZE(droppedfile));
DragFinish(drophandle);
OpenMediaFile(hwnd, droppedfile, NULL);
break;
}
case MM_MCINOTIFY:
{
if (wParam == MCI_NOTIFY_SUCCESSFUL)
{
StopPlayback(hwnd);
if (bRepeat)
{
StartPlayback(hwnd);
}
}
break;
}
case WM_NOTIFY:
{
LPNMHDR pnmhdr = (LPNMHDR)lParam;
switch (pnmhdr->code)
{
case TTN_GETDISPINFO:
{
LPTOOLTIPTEXT lpttt = (LPTOOLTIPTEXT)lParam;
UINT idButton = (UINT)lpttt->hdr.idFrom;
switch (idButton)
{
case IDC_PLAY:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_PLAY);
break;
case IDC_STOP:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_STOP);
break;
case IDC_EJECT:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_EJECT);
break;
case IDC_BACKWARD:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_BACKWARD);
break;
case IDC_SEEKBACK:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_SEEKBACK);
break;
case IDC_SEEKFORW:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_SEEKFORW);
break;
case IDC_FORWARD:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_FORWARD);
break;
case IDC_PAUSE:
lpttt->lpszText = MAKEINTRESOURCE(IDS_TOOLTIP_PAUSE);
break;
}
break;
}
}
}
break;
case WM_SIZING:
{
LPRECT pRect = (LPRECT)lParam;
if (!bIsSingleWindow)
{
if (pRect->right - pRect->left < MAIN_WINDOW_MIN_WIDTH)
pRect->right = pRect->left + MAIN_WINDOW_MIN_WIDTH;
if (pRect->bottom - pRect->top != MAIN_WINDOW_HEIGHT)
pRect->bottom = pRect->top + MAIN_WINDOW_HEIGHT;
}
return TRUE;
}
case WM_SIZE:
{
RECT Rect;
if (hToolBar && hTrackBar)
{
SendMessage(hToolBar, TB_AUTOSIZE, 0, 0);
SendMessage(hToolBar, TB_GETITEMRECT, 1, (LPARAM)&Rect);
MoveWindow(hTimeDisplay, LOWORD(lParam) - 140, 4, 135, 18, TRUE);
if (!bIsSingleWindow)
{
UINT Size = GetSystemMetrics(SM_CYMENU) + Rect.bottom;
MoveWindow(hTrackBar, 0, 0, LOWORD(lParam), HIWORD(lParam) - Size, TRUE);
}
else
{
RECT ToolbarRect;
MCI_DGV_PUT_PARMS mciPut;
MoveWindow(hTrackBar, 180, 0, LOWORD(lParam) - 322, 25, TRUE);
GetClientRect(hwnd, &Rect);
GetClientRect(hToolBar, &ToolbarRect);
mciPut.rc.top = 0;
mciPut.rc.left = 0;
mciPut.rc.right = Rect.right;
mciPut.rc.bottom = Rect.bottom - (ToolbarRect.bottom - ToolbarRect.top) - 2;
mciSendCommand(wDeviceId, MCI_PUT, MCI_DGV_PUT_DESTINATION | MCI_DGV_RECT | MCI_WAIT, (DWORD_PTR)&mciPut);
}
}
return 0L;
}
case WM_HSCROLL:
{
if (hTrackBar == (HWND)lParam)
{
if (wDeviceId)
{
DWORD dwNewPos = (DWORD)SendMessage(hTrackBar, TBM_GETPOS, 0, 0);
SeekPlayback(hwnd, dwNewPos);
}
else
{
SendMessage(hTrackBar, TBM_SETPOS, TRUE, 0);
}
}
}
break;
case WM_NCLBUTTONDBLCLK:
{
if (wParam == HTCAPTION)
{
SwitchViewMode(hwnd);
}
}
break;
case WM_COMMAND:
{
if (LOWORD(wParam) >= IDM_DEVICE_FIRST)
{
HandleDeviceMenuItem(hwnd, LOWORD(wParam));
break;
}
switch (LOWORD(wParam))
{
case IDC_PLAY:
case IDC_PAUSE:
{
if (wDeviceId)
TogglePlaybackState(hwnd);
else
OpenFileDialog(hwnd, 1, NULL);
break;
}
case IDC_STOP:
StopPlayback(hwnd);
break;
case IDC_EJECT:
break;
case IDC_BACKWARD:
break;
case IDC_SEEKBACK:
SeekBackPlayback(hwnd);
break;
case IDC_SEEKFORW:
SeekForwPlayback(hwnd);
break;
case IDC_FORWARD:
break;
case IDM_OPEN_FILE:
OpenFileDialog(hwnd, 1, NULL);
return 0;
case IDM_CLOSE_FILE:
CloseMediaFile(hwnd);
break;
case IDM_REPEAT:
{
if (!bRepeat)
{
CheckMenuItem(hMainMenu, IDM_REPEAT, MF_BYCOMMAND | MF_CHECKED);
bRepeat = TRUE;
}
else
{
CheckMenuItem(hMainMenu, IDM_REPEAT, MF_BYCOMMAND | MF_UNCHECKED);
bRepeat = FALSE;
}
break;
}
case IDM_SWITCHVIEW:
SwitchViewMode(hwnd);
break;
case IDM_DEVPROPS:
ShowDeviceProperties(hwnd);
break;
case IDM_VOLUMECTL:
ShellExecute(hwnd, NULL, _T("SNDVOL32.EXE"), NULL, NULL, SW_SHOWNORMAL);
break;
case IDM_ABOUT:
{
HICON mplayIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MAIN));
ShellAbout(hwnd, szAppTitle, 0, mplayIcon);
DeleteObject(mplayIcon);
break;
}
case IDM_EXIT:
PostMessage(hwnd, WM_CLOSE, 0, 0);
return 0;
}
break;
}
case WM_DESTROY:
CloseMediaFile(hwnd);
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, Message, wParam, lParam);
}
INT WINAPI
_tWinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPTSTR lpCmdLine, INT nCmdShow)
{
WNDCLASSEX WndClass = {0};
TCHAR szClassName[] = _T("ROSMPLAY32");
HWND hwnd;
MSG msg;
DWORD dwError;
HANDLE hAccel;
hInstance = hInst;
LoadString(hInstance, IDS_APPTITLE, szAppTitle, ARRAYSIZE(szAppTitle));
WndClass.cbSize = sizeof(WndClass);
WndClass.lpszClassName = szClassName;
WndClass.lpfnWndProc = MainWndProc;
WndClass.hInstance = hInstance;
WndClass.style = CS_HREDRAW | CS_VREDRAW;
WndClass.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MAIN));
WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
WndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
WndClass.lpszMenuName = MAKEINTRESOURCE(IDR_MAINMENU);
if (!RegisterClassEx(&WndClass))
{
ShowLastWin32Error(NULL);
return 0;
}
hwnd = CreateWindow(szClassName,
szAppTitle,
WS_SYSMENU | WS_MINIMIZEBOX | WS_THICKFRAME | WS_OVERLAPPED | WS_CAPTION | WS_CLIPCHILDREN,
CW_USEDEFAULT,
CW_USEDEFAULT,
350,
MAIN_WINDOW_HEIGHT,
NULL,
NULL,
hInstance,
NULL);
if (!hwnd)
{
ShowLastWin32Error(NULL);
return 0;
}
hAccel = LoadAccelerators(hInstance, MAKEINTRESOURCE(ID_ACCELERATORS));
BuildFileFilterAndDeviceMenu();
DragAcceptFiles(hwnd, TRUE);
DisableMenuItems();
dwError = SearchPath(NULL, _T("SNDVOL32.EXE"), NULL, 0, NULL, NULL);
if (dwError == 0)
{
EnableMenuItem(hMainMenu, IDM_VOLUMECTL, MF_BYCOMMAND | MF_GRAYED);
}
/* Show it */
ShowWindow(hwnd, SW_SHOW);
UpdateWindow(hwnd);
OpenMediaFile(hwnd, lpCmdLine, NULL);
/* Message Loop */
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(hwnd, hAccel, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
CleanupFileFilter();
DestroyAcceleratorTable(hAccel);
return (INT)msg.wParam;
}
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