C++ KHBox::setMargin方法代码示例

VolumePopupButton::VolumePopupButton( QWidget * parent, PlayerManager *mgr ) :
    QToolButton( parent ),
    m_prevVolume(0.0),
    m_curVolume(0.0),
    player(mgr)
{
    //create the volume popup
    m_volumeMenu = new QMenu( this );

    KVBox *mainBox = new KVBox( this );

    m_volumeLabel= new QLabel( mainBox );
    m_volumeLabel->setAlignment( Qt::AlignHCenter );

    KHBox *sliderBox = new KHBox( mainBox );
    m_volumeSlider = new VolumeSlider( 100, sliderBox, false );
    m_volumeSlider->setFixedHeight( 170 );
    mainBox->setMargin( 0 );
    mainBox->setSpacing( 0 );
    sliderBox->setSpacing( 0 );
    sliderBox->setMargin( 0 );
    mainBox->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Fixed );
    sliderBox->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Fixed );

    QWidgetAction *sliderActionWidget = new QWidgetAction( this );
    sliderActionWidget->setDefaultWidget( mainBox );

    // volumeChanged is a customSignal, is not emited by setValue()
    connect( m_volumeSlider, SIGNAL(volumeChanged(float)), player, SLOT(setVolume(float)) );

    QToolBar *muteBar = new QToolBar( QString(), mainBox );
    muteBar->setContentsMargins( 0, 0, 0, 0 );
    muteBar->setIconSize( QSize( 16, 16 ) );

    // our popup's mute-toggle  button
    m_muteAction = new QAction( KIcon( "audio-volume-muted" ), QString(), muteBar );
    m_muteAction->setToolTip( i18n( "Mute/Unmute" ) );

    connect( m_muteAction, SIGNAL(triggered(bool)), this, SLOT(slotToggleMute(bool)) );
    connect( player, SIGNAL(mutedChanged(bool)), this, SLOT(slotMuteStateChanged(bool)) );

    m_volumeMenu->addAction( sliderActionWidget );
    muteBar->addAction( m_muteAction );

    /* set icon and label to match create state of AudioOutput, as the
     * desired volume value is not available yet (because the player
     * object is not set up yet.) Someone must call PlayerManager::setVolume()
     * later.
     */
    slotVolumeChanged( 1.0 );

    // let player notify us when volume changes
    connect( player, SIGNAL(volumeChanged(float)), this, SLOT(slotVolumeChanged(float)) );
}

FontColourChooser::FontColourChooser(QWidget *parent,
          const QStringList &fontList, const QString& frameLabel, bool fg, bool defaultFont, int visibleListSize)
	: QWidget(parent),
	  mFgColourButton(0),
	  mReadOnly(false)
{
	QVBoxLayout* topLayout = new QVBoxLayout(this);
	topLayout->setMargin(0);
	topLayout->setSpacing(KDialog::spacingHint());
	QWidget* page = this;
	if (!frameLabel.isNull())
	{
		page = new QGroupBox(frameLabel, this);
		topLayout->addWidget(page);
		topLayout = new QVBoxLayout(page);
		topLayout->setMargin(KDialog::marginHint());
		topLayout->setSpacing(KDialog::spacingHint());
	}
	QHBoxLayout* hlayout = new QHBoxLayout();
	hlayout->setMargin(0);
	topLayout->addLayout(hlayout);
	QVBoxLayout* colourLayout = new QVBoxLayout();
	colourLayout->setMargin(0);
	hlayout->addLayout(colourLayout);
	if (fg)
	{
		KHBox* box = new KHBox(page);    // to group widgets for QWhatsThis text
		box->setMargin(0);
		box->setSpacing(KDialog::spacingHint()/2);
		colourLayout->addWidget(box);

		QLabel* label = new QLabel(i18nc("@label:listbox", "Foreground color:"), box);
		box->setStretchFactor(new QWidget(box), 0);
		mFgColourButton = new ColourButton(box);
		connect(mFgColourButton, SIGNAL(changed(const QColor&)), SLOT(setSampleColour()));
		label->setBuddy(mFgColourButton);
		box->setWhatsThis(i18nc("@info:whatsthis", "Select the alarm message foreground color"));
	}

	KHBox* box = new KHBox(page);    // to group widgets for QWhatsThis text
	box->setMargin(0);
	box->setSpacing(KDialog::spacingHint()/2);
	colourLayout->addWidget(box);

	QLabel* label = new QLabel(i18nc("@label:listbox", "Background color:"), box);
	box->setStretchFactor(new QWidget(box), 0);
	mBgColourButton = new ColourButton(box);
	connect(mBgColourButton, SIGNAL(changed(const QColor&)), SLOT(setSampleColour()));
	label->setBuddy(mBgColourButton);
	box->setWhatsThis(i18nc("@info:whatsthis", "Select the alarm message background color"));
	hlayout->addStretch();

	if (defaultFont)
	{
		QHBoxLayout* layout = new QHBoxLayout();
		layout->setMargin(0);
		topLayout->addLayout(layout);
		mDefaultFont = new CheckBox(i18nc("@option:check", "Use default font"), page);
		mDefaultFont->setMinimumSize(mDefaultFont->sizeHint());
		connect(mDefaultFont, SIGNAL(toggled(bool)), SLOT(slotDefaultFontToggled(bool)));
		mDefaultFont->setWhatsThis(i18nc("@info:whatsthis", "Check to use the default font current at the time the alarm is displayed."));
		layout->addWidget(mDefaultFont);
		layout->addWidget(new QWidget(page));    // left adjust the widget
	}
	else
		mDefaultFont = 0;

	mFontChooser = new KFontChooser(page, KFontChooser::DisplayFrame, fontList, visibleListSize);
	mFontChooser->installEventFilter(this);   // for read-only mode
	QList<QWidget*> kids = mFontChooser->findChildren<QWidget*>();
	for (int i = 0, end = kids.count();  i < end;  ++i)
		kids[i]->installEventFilter(this);
	topLayout->addWidget(mFontChooser);

	slotDefaultFontToggled(false);
}

Playlist::Widget::Widget( QWidget* parent )
        : KVBox( parent )
{
    setContentsMargins( 1, 1, 1, 1 );

    m_searchWidget = new ProgressiveSearchWidget( this );

    //this is really only useful for debugging at the moment, so dont show it to users and testers
    /*m_sortBox = new QComboBox( this );
    m_sortBox->insertItem( 0, "Album", Album);
    m_sortBox->insertItem( 1, "AlbumArtist", Album);
    m_sortBox->insertItem( 2, "Artist", Artist );
    m_sortBox->insertItem( 3, "Bitrate", Bitrate );
    m_sortBox->insertItem( 4, "Bpm", Bpm );
    m_sortBox->insertItem( 5, "Comment", Comment );
    m_sortBox->insertItem( 6, "Composer", Composer );
    m_sortBox->insertItem( 7, "Directory", Directory );
    m_sortBox->insertItem( 8, "DiscNumber", DiscNumber );
    m_sortBox->insertItem( 9, "Filename", Filename );
    m_sortBox->insertItem( 10, "Filesize", Filesize );
    m_sortBox->insertItem( 11, "Genre", Genre );
    m_sortBox->insertItem( 12, "LastPlayed", LastPlayed );
    m_sortBox->insertItem( 13, "Length", Length );
    m_sortBox->insertItem( 14, "Mood", Mood );
    m_sortBox->insertItem( 15, "PlayCount", PlayCount );
    m_sortBox->insertItem( 16, "Rating", Rating );
    m_sortBox->insertItem( 17, "SampleRate", SampleRate );
    m_sortBox->insertItem( 18, "Score", Score );
    m_sortBox->insertItem( 29, "Source", Source );
    m_sortBox->insertItem( 30, "Title", Title );
    m_sortBox->insertItem( 31, "TrackNumber", TrackNumber );
    m_sortBox->insertItem( 32, "Type", Type );
    m_sortBox->insertItem( 33, "Year", Year );

    connect( m_sortBox, SIGNAL( activated( int ) ), this, SLOT( sort( int ) ) );*/
    
    QWidget * layoutHolder = new QWidget( this );

    QVBoxLayout* mainPlaylistlayout = new QVBoxLayout( layoutHolder );
    mainPlaylistlayout->setContentsMargins( 0, 0, 0, 0 );

    m_playlistView = new PrettyListView( this );
    m_playlistView->show();

    connect( m_searchWidget, SIGNAL( filterChanged( const QString &, int, bool ) ), m_playlistView, SLOT( find( const QString &, int, bool ) ) );
    connect( m_searchWidget, SIGNAL( next( const QString &, int ) ), m_playlistView, SLOT( findNext( const QString &, int ) ) );
    connect( m_searchWidget, SIGNAL( previous( const QString &, int ) ), m_playlistView, SLOT( findPrevious( const QString &, int ) ) );
    connect( m_searchWidget, SIGNAL( filterCleared() ), m_playlistView, SLOT( clearSearchTerm() ) );
    connect( m_searchWidget, SIGNAL( showOnlyMatches( bool ) ), m_playlistView, SLOT( showOnlyMatches( bool ) ) );
    connect( m_searchWidget, SIGNAL( activateFilterResult() ), m_playlistView, SLOT( playFirstSelected() ) );
    connect( m_searchWidget, SIGNAL( downPressed() ), m_playlistView, SLOT( setFocus() ) );

    connect( m_playlistView, SIGNAL( found() ), m_searchWidget, SLOT( match() ) );
    connect( m_playlistView, SIGNAL( notFound() ), m_searchWidget, SLOT( noMatch() ) );

    connect( LayoutManager::instance(), SIGNAL( activeLayoutChanged() ), m_playlistView, SLOT( reset() ) );

    mainPlaylistlayout->setSpacing( 0 );
    mainPlaylistlayout->addWidget( m_playlistView );

    KHBox *barBox = new KHBox( this );
    barBox->setMargin( 0 );

    KToolBar *plBar = new Amarok::ToolBar( barBox );
    plBar->setObjectName( "PlaylistToolBar" );

    Model::instance();

    // the Controller ctor creates the undo/redo actions that we use below, so we want
    // to make sure that it's been constructed and the the actions registered
    Controller::instance();

    {
        //START Playlist toolbar
        plBar->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Preferred );
        plBar->setIconDimensions( 22 );
        plBar->setMovable( false );
        plBar->addAction( new KToolBarSpacerAction( this ) );

        plBar->addAction( Amarok::actionCollection()->action( "playlist_clear" ) );
        
        //FIXME this action should go in ActionController, but we don't have any visibility to the view
        KAction *action = new KAction( KIcon( "music-amarok" ), i18n("Show active track"), this );
        connect( action, SIGNAL( triggered( bool ) ), m_playlistView, SLOT( scrollToActiveTrack() ) );
        plBar->addAction( action );

        plBar->addSeparator();
        plBar->addAction( Amarok::actionCollection()->action( "playlist_undo" ) );
        plBar->addAction( Amarok::actionCollection()->action( "playlist_redo" ) );
        plBar->addSeparator();
        plBar->addAction( Amarok::actionCollection()->action( "playlist_save" ) );
        plBar->addAction( Amarok::actionCollection()->action( "playlist_export" ) );
        plBar->addSeparator();

        Playlist::LayoutConfigAction *layoutConfigAction = new Playlist::LayoutConfigAction( this );
        plBar->addAction( layoutConfigAction );
        QToolButton *tbutton = qobject_cast<QToolButton*>(plBar->widgetForAction( layoutConfigAction ) );
        if( tbutton )
            tbutton->setPopupMode( QToolButton::InstantPopup );

//.........这里部分代码省略.........