////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 构造函数
HWND CChildWnd::Create()
{
// 转到开始
Restart();
// 获取窗口状态
BOOL bMaximized = CClientWnd::GetChildCount() ?
((GetWindowLong(CClientWnd::m_hWnd, GWL_EXSTYLE) & WS_EX_CLIENTEDGE) == FALSE) : CIni::GetInt(INI_MaxOnOpen);
// 创建窗口
m_hWnd = CreateMDIWindow(STR_AppName TEXT("ChildWnd"), m_tzFileName, 0,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
CClientWnd::m_hWnd, g_hInst, (LPARAM) this);
if (m_hWnd)
{
// 调整播放窗口大小
SetVideoSize(m_uWidth, m_uHeight);
_ExIf(bMaximized, ShowWindow(m_hWnd, SW_MAXIMIZE));
// 播放设置
SetPlayWnd(m_hPlayWnd);
_ExIf(CIni::GetInt(INI_DirectDraw, TRUE), EnableDDraw());
_ExIf(CIni::GetInt(INI_PlayOnOpen), Play());
}
return m_hWnd;
}
/*****************************************************************************
* VideoSettings constructor and destructor
*****************************************************************************/
VideoSettings::VideoSettings()
: fVideoSize( SIZE_100 ),
fFlags( FLAG_CORRECT_RATIO ),
fSettings( new BMessage( 'sett' ) )
{
// read settings from disk
status_t ret = load_settings( fSettings, "video_settings", "VideoLAN Client" );
if ( ret == B_OK )
{
uint32_t flags;
if ( fSettings->FindInt32( "flags", (int32*)&flags ) == B_OK )
SetFlags( flags );
uint32_t size;
if ( fSettings->FindInt32( "video size", (int32*)&size ) == B_OK )
SetVideoSize( size );
}
else
{
// figure out if we should use vertical sync by default
BScreen screen(B_MAIN_SCREEN_ID);
if (screen.IsValid())
{
display_mode mode;
screen.GetMode(&mode);
float refresh = (mode.timing.pixel_clock * 1000)
/ ((mode.timing.h_total)* (mode.timing.v_total));
if (refresh < MIN_AUTO_VSYNC_REFRESH)
AddFlags(FLAG_SYNC_RETRACE);
}
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 缩放
VOID CChildWnd::OnPlayZoom(UINT uCmd, BOOL bCascade)
{
DWORD dwWidth;
DWORD dwHeight;
_ExIf(bCascade && (CClientWnd::HasEdge() == FALSE), SendMessage(CClientWnd::m_hWnd, WM_MDICASCADE, 0, 0));
dwWidth = m_uWidth;
dwHeight = m_uHeight;
if (uCmd == IDM_Play_ZoomHalf)
{
dwWidth /= 2;
dwHeight /= 2;
}
else if (uCmd == IDM_Play_ZoomDouble)
{
dwWidth *= 2;
dwHeight *= 2;
}
SetVideoSize(dwWidth, dwHeight);
}