CPlaybackStateDemo

Inheritance diagram for CPlaybackStateDemo:

Public Types
enum	{ IDD = IDD_PLAYBACK_STATE }

Public Member Functions
	BEGIN_MSG_MAP (CPlaybackStateDemo) MSG_WM_INITDIALOG(OnInitDialog) COMMAND_HANDLER_EX(IDC_PATTERN
OnPatternChange	COMMAND_HANDLER_EX (IDCANCEL, BN_CLICKED, OnCancel) COMMAND_HANDLER_EX(IDC_PLAY
OnPatternChange OnPlayClicked	COMMAND_HANDLER_EX (IDC_PAUSE, BN_CLICKED, OnPauseClicked) COMMAND_HANDLER_EX(IDC_STOP
OnPatternChange OnPlayClicked OnStopClicked	COMMAND_HANDLER_EX (IDC_PREV, BN_CLICKED, OnPrevClicked) COMMAND_HANDLER_EX(IDC_NEXT
OnPatternChange OnPlayClicked OnStopClicked OnNextClicked	COMMAND_HANDLER_EX (IDC_RAND, BN_CLICKED, OnRandClicked) MSG_WM_CONTEXTMENU(OnContextMenu) END_MSG_MAP() private
void	on_playback_dynamic_info (const file_info &p_info)
void	on_playback_dynamic_info_track (const file_info &p_info)
void	on_playback_edited (metadb_handle_ptr p_track)
void	on_playback_new_track (metadb_handle_ptr p_track)
void	on_playback_pause (bool p_state)
void	on_playback_seek (double p_time)
void	on_playback_stop (play_control::t_stop_reason p_reason)
void	on_playback_time (double p_time)
void	on_volume_change (float p_new_val)
void	OnCancel (UINT, int, CWindow)
void	OnContextMenu (CWindow wnd, CPoint point)
BOOL	OnInitDialog (CWindow, LPARAM)
void	OnNextClicked (UINT, int, CWindow)
void	OnPatternChange (UINT, int, CWindow)
void	OnPauseClicked (UINT, int, CWindow)
void	OnPlayClicked (UINT, int, CWindow)
void	OnPrevClicked (UINT, int, CWindow)
void	OnRandClicked (UINT, int, CWindow)
void	OnStopClicked (UINT, int, CWindow)
void	update ()

Data Fields
OnPatternChange	BN_CLICKED
OnPatternChange OnPlayClicked	BN_CLICKED
OnPatternChange OnPlayClicked OnStopClicked	BN_CLICKED
	EN_CHANGE
static_api_ptr_t< playback_control >	m_playback_control
titleformat_object::ptr	m_script

Additional Inherited Members
Private Types inherited from play_callback
enum	{   flag_on_playback_starting = 1 << 0, flag_on_playback_new_track = 1 << 1, flag_on_playback_stop = 1 << 2, flag_on_playback_seek = 1 << 3,   flag_on_playback_pause = 1 << 4, flag_on_playback_edited = 1 << 5, flag_on_playback_dynamic_info = 1 << 6, flag_on_playback_dynamic_info_track = 1 << 7,   flag_on_playback_time = 1 << 8, flag_on_volume_change = 1 << 9, flag_on_playback_all }
Private Member Functions inherited from play_callback_impl_base
	play_callback_impl_base (unsigned p_flags=~0)
	~play_callback_impl_base ()
void	on_playback_dynamic_info (const file_info &p_info)
void	on_playback_dynamic_info_track (const file_info &p_info)
void	on_playback_edited (metadb_handle_ptr p_track)
void	on_playback_new_track (metadb_handle_ptr p_track)
void	on_playback_pause (bool p_state)
void	on_playback_seek (double p_time)
void	on_playback_starting (play_control::t_track_command p_command, bool p_paused)
void	on_playback_stop (play_control::t_stop_reason p_reason)
void	on_playback_time (double p_time)
void	on_volume_change (float p_new_val)
void	play_callback_reregister (unsigned flags, bool refresh=false)
	play_callback ()
	~play_callback ()

Detailed Description

Definition at line 4 of file playback_state.cpp.

Member Enumeration Documentation

anonymous enum

Enumerator
IDD

Definition at line 6 of file playback_state.cpp.

{IDD = IDD_PLAYBACK_STATE};

Member Function Documentation

CPlaybackStateDemo::BEGIN_MSG_MAP

(

CPlaybackStateDemo

)

OnPatternChange CPlaybackStateDemo::COMMAND_HANDLER_EX	(	IDCANCEL	,
		BN_CLICKED	,
		OnCancel
	)

OnPatternChange OnPlayClicked CPlaybackStateDemo::COMMAND_HANDLER_EX	(	IDC_PAUSE	,
		BN_CLICKED	,
		OnPauseClicked
	)

OnPatternChange OnPlayClicked OnStopClicked CPlaybackStateDemo::COMMAND_HANDLER_EX	(	IDC_PREV	,
		BN_CLICKED	,
		OnPrevClicked
	)

OnPatternChange OnPlayClicked OnStopClicked OnNextClicked CPlaybackStateDemo::COMMAND_HANDLER_EX ( IDC_RAND  , BN_CLICKED  , OnRandClicked    )

inline

Definition at line 17 of file playback_state.cpp.

       :

    // Playback callback methods.
    void on_playback_starting(play_control::t_track_command p_command,bool p_paused) {update();}

void CPlaybackStateDemo::on_playback_dynamic_info ( const file_info &  p_info )

inlinevirtual

Dynamic info (VBR bitrate etc) change.

Implements play_callback.

Definition at line 29 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_dynamic_info_track ( const file_info &  p_info )

inlinevirtual

Per-track dynamic info (stream track titles etc) change. Happens less often than on_playback_dynamic_info().

Implements play_callback.

Definition at line 30 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_edited ( metadb_handle_ptr  p_track )

inlinevirtual

Called when currently played file gets edited.

Implements play_callback.

Definition at line 28 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_new_track ( metadb_handle_ptr  p_track )

inlinevirtual

Playback advanced to new track.

Implements play_callback.

Definition at line 24 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_pause ( bool  p_state )

inlinevirtual

Called on pause/unpause.

Implements play_callback.

Definition at line 27 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_seek ( double  p_time )

inlinevirtual

User has seeked to specific time.

Implements play_callback.

Definition at line 26 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_stop ( play_control::t_stop_reason  p_reason )

inlinevirtual

Playback stopped.

Implements play_callback.

Definition at line 25 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_playback_time ( double  p_time )

inlinevirtual

Called every second, for time display.

Implements play_callback.

Definition at line 31 of file playback_state.cpp.

{update();}

void CPlaybackStateDemo::on_volume_change ( float  p_new_val )

inlinevirtual

User changed volume settings. Possibly called when not playing.

Parameters

p_new_val

new volume level in dB; 0 for full volume.

Implements play_callback.

Definition at line 32 of file playback_state.cpp.

{}

void CPlaybackStateDemo::OnCancel	(	UINT	,
		int	,
		CWindow
	)

Definition at line 55 of file playback_state.cpp.

                                                    {
    DestroyWindow();
}

void CPlaybackStateDemo::OnContextMenu	(	CWindow	wnd,
		CPoint	point
	)

Definition at line 89 of file playback_state.cpp.

                                                                {
    try {
        if (wnd == GetDlgItem(IDC_CONTEXTMENU)) {
            
            // handle the context menu key case - center the menu
            if (point == CPoint(-1, -1)) {
                CRect rc;
                WIN32_OP(wnd.GetWindowRect(&rc));
                point = rc.CenterPoint();
            }
            
            metadb_handle_list items;
            
            { // note: we would normally just use contextmenu_manager::init_context_now_playing(), but we go the "make the list ourselves" route to demonstrate how to invoke the menu for arbitrary items.
                metadb_handle_ptr item;
                if (m_playback_control->get_now_playing(item)) items += item;
            }

            CMenuDescriptionHybrid menudesc(*this); //this class manages all the voodoo necessary for descriptions of our menu items to show in the status bar.

            static_api_ptr_t<contextmenu_manager> api;
            CMenu menu;
            WIN32_OP(menu.CreatePopupMenu());
            enum {
                ID_TESTCMD = 1,
                ID_CM_BASE,
            };
            menu.AppendMenu(MF_STRING, ID_TESTCMD, _T("Test command"));
            menudesc.Set(ID_TESTCMD, "This is a test command.");
            menu.AppendMenu(MF_SEPARATOR);
            
            if (items.get_count() > 0) {
                api->init_context(items, 0);
                api->win32_build_menu(menu, ID_CM_BASE, ~0);
                menudesc.SetCM(api.get_ptr(), ID_CM_BASE, ~0);
            } else {
                menu.AppendMenu(MF_STRING|MF_GRAYED|MF_DISABLED, (UINT)0, _T("No items selected"));
            }
            
            int cmd = menu.TrackPopupMenu(TPM_RIGHTBUTTON|TPM_NONOTIFY|TPM_RETURNCMD,point.x,point.y,menudesc,0);
            if (cmd > 0) {
                if (cmd >= ID_CM_BASE) {
                    api->execute_by_id(cmd - ID_CM_BASE);
                } else switch(cmd) {
                    case ID_TESTCMD:
                        popup_message::g_show("Blah!", "Test");
                        break;
                }
            }
            
        }
    } catch(std::exception const & e) {
        console::complain("Context menu failure", e); //rare
    }
}

BOOL CPlaybackStateDemo::OnInitDialog	(	CWindow	,
		LPARAM
	)

Definition at line 64 of file playback_state.cpp.

                                                     {
    update();
    SetDlgItemText(IDC_PATTERN, _T("%codec% | %bitrate% kbps | %samplerate% Hz | %channels% | %playback_time%[ / %length%]$if(%ispaused%, | paused,)"));
    ::ShowWindowCentered(*this,GetParent()); // Function declared in SDK helpers.
    return TRUE;
}

void CPlaybackStateDemo::OnNextClicked ( UINT  , int  , CWindow    )

inline

Definition at line 43 of file playback_state.cpp.

{m_playback_control->start(playback_control::track_command_next);}

void CPlaybackStateDemo::OnPatternChange	(	UINT	,
		int	,
		CWindow
	)

Definition at line 59 of file playback_state.cpp.

                                                           {
    m_script.release(); // pattern has changed, force script recompilation
    update();
}

void CPlaybackStateDemo::OnPauseClicked ( UINT  , int  , CWindow    )

inline

Definition at line 41 of file playback_state.cpp.

{m_playback_control->toggle_pause();}

void CPlaybackStateDemo::OnPlayClicked ( UINT  , int  , CWindow    )

inline

Definition at line 39 of file playback_state.cpp.

{m_playback_control->start();}

void CPlaybackStateDemo::OnPrevClicked ( UINT  , int  , CWindow    )

inline

Definition at line 42 of file playback_state.cpp.

{m_playback_control->start(playback_control::track_command_prev);}

void CPlaybackStateDemo::OnRandClicked ( UINT  , int  , CWindow    )

inline

Definition at line 44 of file playback_state.cpp.

{m_playback_control->start(playback_control::track_command_rand);}

void CPlaybackStateDemo::OnStopClicked ( UINT  , int  , CWindow    )

inline

Definition at line 40 of file playback_state.cpp.

{m_playback_control->stop();}

void CPlaybackStateDemo::update

(

)

Definition at line 71 of file playback_state.cpp.

                                {
    if (m_script.is_empty()) {
        pfc::string8 pattern;
        uGetDlgItemText(*this, IDC_PATTERN, pattern);
        static_api_ptr_t<titleformat_compiler>()->compile_safe_ex(m_script, pattern);
    }
    pfc::string_formatter state;
    if (m_playback_control->playback_format_title(NULL, state, m_script, NULL, playback_control::display_level_all)) {
        //Succeeded already.
    } else if (m_playback_control->is_playing()) {
        //Starting playback but not done opening the first track yet.
        state = "Opening...";
    } else {
        state = "Stopped.";
    }
    uSetDlgItemText(*this, IDC_STATE, state);
}

Field Documentation

OnPatternChange CPlaybackStateDemo::BN_CLICKED

Definition at line 12 of file playback_state.cpp.

OnPatternChange OnPlayClicked CPlaybackStateDemo::BN_CLICKED

Definition at line 14 of file playback_state.cpp.

OnPatternChange OnPlayClicked OnStopClicked CPlaybackStateDemo::BN_CLICKED

Definition at line 16 of file playback_state.cpp.

CPlaybackStateDemo::EN_CHANGE

Definition at line 10 of file playback_state.cpp.

static_api_ptr_t<playback_control> CPlaybackStateDemo::m_playback_control

Definition at line 52 of file playback_state.cpp.

titleformat_object::ptr CPlaybackStateDemo::m_script

Definition at line 50 of file playback_state.cpp.

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The documentation for this class was generated from the following file:

• foobar2000/foo_sample/playback_state.cpp