menus.cpp

VLC Player Source Code

                if( p_object )
                {
                    objects.push_back( p_object->i_object_id );
                    varnames.push_back( "intf-skins" );
                    Populate( p_intf, submenu, varnames, objects );
                    vlc_object_release( p_object );
                }
                else
                {
                    msg_Dbg( p_intf, "could not find parent interface" );
                }
            }
            menu->addMenu( submenu );
        }

        PopupMenuStaticEntries( p_intf, menu );

        p_intf->p_sys->p_popup_menu = menu;
        p_intf->p_sys->p_popup_menu->popup( QCursor::pos() );
    }
    else
    {
        // destroy popup if there is one
        delete p_intf->p_sys->p_popup_menu;
        p_intf->p_sys->p_popup_menu = NULL;
    }
}

#undef ACT_ADD

/************************************************************************
 * Systray Menu                                                         *
 ************************************************************************/

void QVLCMenu::updateSystrayMenu( MainInterface *mi,
                                  intf_thread_t *p_intf,
                                  bool b_force_visible )
{
    POPUP_BOILERPLATE;

    /* Get the systray menu and clean it */
    QMenu *sysMenu = mi->getSysTrayMenu();
    sysMenu->clear();

    /* Hide / Show VLC and cone */
    if( mi->isVisible() || b_force_visible )
    {
        sysMenu->addAction( QIcon( ":/vlc16.png" ),
                            qtr( "Hide VLC media player in taskbar" ), mi,
                            SLOT( toggleUpdateSystrayMenu() ) );
    }
    else
    {
        sysMenu->addAction( QIcon( ":/vlc16.png" ),
                            qtr( "Show VLC media player" ), mi,
                            SLOT( toggleUpdateSystrayMenu() ) );
    }

    sysMenu->addSeparator();
    PopupMenuControlEntries( sysMenu, p_intf, p_input );

    sysMenu->addSeparator();
    addDPStaticEntry( sysMenu, qtr( "&Open Media" ), "",
            ":/file-wide", SLOT( openFileDialog() ), "" );
    addDPStaticEntry( sysMenu, qtr( "&Quit" ) , "",
            ":/quit", SLOT( quit() ), "" );

    /* Set the menu */
    mi->getSysTray()->setContextMenu( sysMenu );
}

#undef PUSH_VAR
#undef PUSH_SEPARATOR

/*************************************************************************
 * Builders for automenus
 *************************************************************************/
QMenu * QVLCMenu::Populate( intf_thread_t *p_intf,
                            QMenu *current,
                            vector< const char *> & varnames,
                            vector<int> & objects,
                            bool append )
{
    QMenu *menu = current;
    if( !menu ) menu = new QMenu();

    /* Disable all non static entries */
    QAction *p_action;
    foreach( p_action, menu->actions() )
    {
        if( p_action->data().toString() != "_static_" )
            p_action->setEnabled( false );
    }

    currentGroup = NULL;

    vlc_object_t *p_object;
    int i;

    for( i = 0; i < ( int )objects.size() ; i++ )
    {
        if( !varnames[i] || !*varnames[i] )
        {
            menu->addSeparator();
            continue;
        }

        if( objects[i] == 0 )
        {
            p_object = NULL;
        }
        else
        {
            p_object = ( vlc_object_t * )vlc_object_get( objects[i] );
            if( !p_object )
            {
                msg_Warn( p_intf, "object %d not found !", objects[i] );
                continue;
            }
        }

        UpdateItem( p_intf, menu, varnames[i], p_object, true );
        if( p_object )
            vlc_object_release( p_object );
    }
    return menu;
}

/*****************************************************************************
 * Private methods.
 *****************************************************************************/

static bool IsMenuEmpty( const char *psz_var,
                         vlc_object_t *p_object,
                         bool b_root = true )
{
    vlc_value_t val, val_list;
    int i_type, i_result, i;

    /* Check the type of the object variable */
    i_type = var_Type( p_object, psz_var );

    /* Check if we want to display the variable */
    if( !( i_type & VLC_VAR_HASCHOICE ) ) return false;

    var_Change( p_object, psz_var, VLC_VAR_CHOICESCOUNT, &val, NULL );
    if( val.i_int == 0 ) return true;

    if( ( i_type & VLC_VAR_TYPE ) != VLC_VAR_VARIABLE )
    {
        if( val.i_int == 1 && b_root ) return true;
        else return false;
    }

    /* Check children variables in case of VLC_VAR_VARIABLE */
    if( var_Change( p_object, psz_var, VLC_VAR_GETLIST, &val_list, NULL ) < 0 )
    {
        return true;
    }

    for( i = 0, i_result = true; i < val_list.p_list->i_count; i++ )
    {
        if( !IsMenuEmpty( val_list.p_list->p_values[i].psz_string,
                    p_object, false ) )
        {
            i_result = false;
            break;
        }
    }

    /* clean up everything */
    var_Change( p_object, psz_var, VLC_VAR_FREELIST, &val_list, NULL );

    return i_result;
}

#define TEXT_OR_VAR qfu ( text.psz_string ? text.psz_string : psz_var )

void QVLCMenu::UpdateItem( intf_thread_t *p_intf, QMenu *menu,
        const char *psz_var, vlc_object_t *p_object, bool b_submenu )
{
    vlc_value_t val, text;
    int i_type;

    QAction *action = FindActionWithVar( menu, psz_var );
    if( action )
        DeleteNonStaticEntries( action->menu() );

    if( !p_object )
        return;

    /* Check the type of the object variable */
    if( !strcmp( psz_var, "audio-es" )
     || !strcmp( psz_var, "video-es" ) )
        i_type = VLC_VAR_INTEGER | VLC_VAR_HASCHOICE;
    else
        i_type = var_Type( p_object, psz_var );

    switch( i_type & VLC_VAR_TYPE )
    {
        case VLC_VAR_VOID:
        case VLC_VAR_BOOL:
        case VLC_VAR_VARIABLE:
        case VLC_VAR_STRING:
        case VLC_VAR_INTEGER:
        case VLC_VAR_FLOAT:
            break;
        default:
            /* Variable doesn't exist or isn't handled */
            return;
    }

    /* Make sure we want to display the variable */
    if( menu->isEmpty() && IsMenuEmpty( psz_var, p_object ) )
        return;

    /* Get the descriptive name of the variable */
    int i_ret = var_Change( p_object, psz_var, VLC_VAR_GETTEXT, &text, NULL );
    if( i_ret != VLC_SUCCESS )
    {
        text.psz_string = NULL;
    }

    if( !action )
    {
        action = new QAction( TEXT_OR_VAR, menu );
        menu->addAction( action );
        action->setData( psz_var );
    }

    /* Some specific stuff */
    bool forceDisabled = false;
    if( !strcmp( psz_var, "spu-es" ) )
    {
        vlc_object_t *p_vout = ( vlc_object_t* )( vlc_object_find( p_intf,
                                    VLC_OBJECT_VOUT, FIND_ANYWHERE ) );
        forceDisabled = ( p_vout == NULL );
        if( p_vout )
            vlc_object_release( p_vout );
    }

    if( i_type & VLC_VAR_HASCHOICE )
    {
        /* Append choices menu */
        if( b_submenu )
        {
            QMenu *submenu;
            submenu = action->menu();
            if( !submenu )
            {
                submenu = new QMenu( menu );
                action->setMenu( submenu );
            }

            action->setEnabled(
               CreateChoicesMenu( submenu, psz_var, p_object, true ) == 0 );
            if( forceDisabled )
                action->setEnabled( false );
        }
        else
            CreateChoicesMenu( menu, psz_var, p_object, true );
        FREENULL( text.psz_string );
        return;
    }

    switch( i_type & VLC_VAR_TYPE )
    {
        case VLC_VAR_VOID:
            var_Get( p_object, psz_var, &val );
            CreateAndConnect( menu, psz_var, TEXT_OR_VAR, "", ITEM_NORMAL,
                    p_object->i_object_id, val, i_type );
            break;

        case VLC_VAR_BOOL:
            var_Get( p_object, psz_var, &val );
            val.b_bool = !val.b_bool;
            CreateAndConnect( menu, psz_var, TEXT_OR_VAR, "", ITEM_CHECK,
                    p_object->i_object_id, val, i_type, !val.b_bool );
            break;
    }
    FREENULL( text.psz_string );
}


int QVLCMenu::CreateChoicesMenu( QMenu *submenu, const char *psz_var,
        vlc_object_t *p_object, bool b_root )
{
    vlc_value_t val, val_list, text_list;
    int i_type, i;

    /* Check the type of the object variable */
    i_type = var_Type( p_object, psz_var );

    /* Make sure we want to display the variable */
    if( submenu->isEmpty() && IsMenuEmpty( psz_var, p_object, b_root ) )
        return VLC_EGENERIC;

    switch( i_type & VLC_VAR_TYPE )
    {
        case VLC_VAR_VOID:
        case VLC_VAR_BOOL:
        case VLC_VAR_VARIABLE:
        case VLC_VAR_STRING:
        case VLC_VAR_INTEGER:
        case VLC_VAR_FLOAT:
            break;
        default:
            /* Variable doesn't exist or isn't handled */
            return VLC_EGENERIC;
    }

    if( var_Change( p_object, psz_var, VLC_VAR_GETLIST,
                    &val_list, &text_list ) < 0 )
    {
        return VLC_EGENERIC;
    }

#define NORMAL_OR_RADIO i_type & VLC_VAR_ISCOMMAND ? ITEM_NORMAL: ITEM_RADIO
#define NOTCOMMAND !( i_type & VLC_VAR_ISCOMMAND )
#define CURVAL val_list.p_list->p_values[i]
#define CURTEXT text_list.p_list->p_values[i].psz_string

    for( i = 0; i < val_list.p_list->i_count; i++ )
    {
        vlc_value_t another_val;
        QString menutext;
        QMenu *subsubmenu = new QMenu( submenu );

        switch( i_type & VLC_VAR_TYPE )
        {
            case VLC_VAR_VARIABLE:
                CreateChoicesMenu( subsubmenu, CURVAL.psz_string, p_object, false );
                subsubmenu->setTitle( qfu( CURTEXT ? CURTEXT :CURVAL.psz_string ) );
                submenu->addMenu( subsubmenu );
                break;

            case VLC_VAR_STRING:
                var_Get( p_object, psz_var, &val );
                another_val.psz_string = strdup( CURVAL.psz_string );
                menutext = qfu( CURTEXT ? CURTEXT : another_val.psz_string );
                CreateAndConnect( submenu, psz_var, menutext, "", NORMAL_OR_RADIO,
                        p_object->i_object_id, another_val, i_type,
                        NOTCOMMAND && val.psz_string &&
                        !strcmp( val.psz_string, CURVAL.psz_string ) );

                free( val.psz_string );
                break;

            case VLC_VAR_INTEGER:
                var_Get( p_object, psz_var, &val );
                if( CURTEXT ) menutext = qfu( CURTEXT );
                else menutext.sprintf( "%d", CURVAL.i_int );
                CreateAndConnect( submenu, psz_var, menutext, "", NORMAL_OR_RADIO,
                        p_object->i_object_id, CURVAL, i_type,
                        NOTCOMMAND && CURVAL.i_int == val.i_int );
                break;

            case VLC_VAR_FLOAT:
                var_Get( p_object, psz_var, &val );
                if( CURTEXT ) menutext = qfu( CURTEXT );
                else menutext.sprintf( "%.2f", CURVAL.f_float );
                CreateAndConnect( submenu, psz_var, menutext, "", NORMAL_OR_RADIO,
                        p_object->i_object_id, CURVAL, i_type,
                        NOTCOMMAND && CURVAL.f_float == val.f_float );
                break;

            default:
                break;
        }
    }
    currentGroup = NULL;

    /* clean up everything */
    var_Change( p_object, psz_var, VLC_VAR_FREELIST, &val_list, &text_list );

#undef NORMAL_OR_RADIO
#undef NOTCOMMAND
#undef CURVAL
#undef CURTEXT
    return VLC_SUCCESS;
}

void QVLCMenu::CreateAndConnect( QMenu *menu, const char *psz_var,
        QString text, QString help,
        int i_item_type, int i_object_id,
        vlc_value_t val, int i_val_type,
        bool checked )
{
    QAction *action = FindActionWithVar( menu, psz_var );
    if( !action )
    {
        action = new QAction( text, menu );
        menu->addAction( action );
    }

    action->setToolTip( help );
    action->setEnabled( i_object_id != 0 );

    if( i_item_type == ITEM_CHECK )
    {
        action->setCheckable( true );
    }
    else if( i_item_type == ITEM_RADIO )
    {
        action->setCheckable( true );
        if( !currentGroup )
            currentGroup = new QActionGroup( menu );
        currentGroup->addAction( action );
    }

    action->setChecked( checked );

    MenuItemData *itemData = new MenuItemData( THEDP->menusMapper, i_object_id, i_val_type,
            val, psz_var );
    CONNECT( action, triggered(), THEDP->menusMapper, map() );
    THEDP->menusMapper->setMapping( action, itemData );
    menu->addAction( action );
}

void QVLCMenu::DoAction( intf_thread_t *p_intf, QObject *data )
{
    MenuItemData *itemData = qobject_cast<MenuItemData *>( data );
    vlc_object_t *p_object = ( vlc_object_t * )vlc_object_get( itemData->i_object_id );
    if( p_object == NULL ) return;

    var_Set( p_object, itemData->psz_var, itemData->val );
    vlc_object_release( p_object );
}