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Code Issues Releases Wiki Activity

* Simplified QueryLabel.

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This commit is contained in:
Christian Muehlhaeuser 2014-08-12 19:50:50 +02:00
parent 318a4c93e3
commit 16928602e0
2 changed files with 74 additions and 348 deletions
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385
src/libtomahawk/widgets/QueryLabel.cpp
View File

@ -36,22 +36,19 @@
#include <QDrag>
#include <QMimeData>
#define BOXMARGIN 2
#define DASH " - "
using namespace Tomahawk;
QueryLabel::QueryLabel( QWidget* parent, Qt::WindowFlags flags )
: QFrame( parent, flags )
, m_type( Complete )
: QLabel( parent, flags )
, m_type( None )
{
init();
}
QueryLabel::QueryLabel( DisplayType type, QWidget* parent, Qt::WindowFlags flags )
: QFrame( parent, flags )
: QLabel( parent, flags )
, m_type( type )
{
init();
@ -59,7 +56,7 @@ QueryLabel::QueryLabel( DisplayType type, QWidget* parent, Qt::WindowFlags flags
QueryLabel::QueryLabel( const Tomahawk::result_ptr& result, DisplayType type, QWidget* parent, Qt::WindowFlags flags )
: QFrame( parent, flags )
: QLabel( parent, flags )
, m_type( type )
, m_result( result )
{
@ -68,7 +65,7 @@ QueryLabel::QueryLabel( const Tomahawk::result_ptr& result, DisplayType type, QW
QueryLabel::QueryLabel( const Tomahawk::query_ptr& query, DisplayType type, QWidget* parent, Qt::WindowFlags flags )
: QFrame( parent, flags )
: QLabel( parent, flags )
, m_type( type )
, m_query( query )
{
@ -87,22 +84,17 @@ QueryLabel::init()
m_contextMenu = new ContextMenu( this );
m_contextMenu->setSupportedActions( ContextMenu::ActionQueue | ContextMenu::ActionCopyLink | ContextMenu::ActionStopAfter | ContextMenu::ActionLove | ContextMenu::ActionPage );
m_hoverType = None;
setContentsMargins( 0, 0, 0, 0 );
setMouseTracking( true );
m_align = Qt::AlignLeft | Qt::AlignVCenter;
setAlignment( Qt::AlignLeft | Qt::AlignVCenter );
m_mode = Qt::ElideMiddle;
m_jumpLinkVisible = false;
m_hovering = false;
}
QString
QueryLabel::text() const
{
QString text;
if ( m_result.isNull() && m_query.isNull() && m_artist.isNull() && m_album.isNull() )
return m_text;
@ -110,70 +102,58 @@ QueryLabel::text() const
{
if ( m_type & Artist )
{
text += m_result->track()->artist();
return m_result->track()->artist();
}
if ( m_type & Album && !m_result->track()->album().isEmpty() )
{
smartAppend( text, m_result->track()->album() );
return m_result->track()->album();
}
if ( m_type & Track )
{
smartAppend( text, m_result->track()->track() );
return m_result->track()->track();
}
}
else if ( !m_query.isNull() )
{
if ( m_type & Artist )
{
text += m_query->track()->artist();
return m_query->track()->artist();
}
if ( m_type & Album && !m_query->track()->album().isEmpty() )
{
smartAppend( text, m_query->track()->album() );
return m_query->track()->album();
}
if ( m_type & Track )
{
smartAppend( text, m_query->track()->track() );
return m_query->track()->track();
}
}
else if ( !m_artist.isNull() )
else if ( m_type & Artist && !m_artist.isNull() )
{
text += m_artist->name();
return m_artist->name();
}
else if ( !m_album.isNull() )
else if ( m_type & Album && !m_album.isNull() )
{
text += m_album->name();
return m_album->name();
}
return text;
}
QString
QueryLabel::track() const
{
if ( m_result.isNull() && m_query.isNull() )
return QString();
if ( !m_result.isNull() )
return m_result->track()->track();
else
return m_query->track()->track();
return QString();
}
void
QueryLabel::setText( const QString& text )
{
setContentsMargins( m_textMargins );
m_result.clear();
m_query.clear();
m_artist.clear();
m_album.clear();
QLabel::setText( m_text );
m_text = text;
updateLabel();
updateGeometry();
update();
emit textChanged( m_text );
emit resultChanged( m_result );
@ -187,7 +167,8 @@ QueryLabel::onResultChanged()
m_artist = m_result->track()->artistPtr();
m_album = m_result->track()->albumPtr();
updateLabel();
updateGeometry();
update();
emit textChanged( text() );
}
@ -199,11 +180,6 @@ QueryLabel::setResult( const Tomahawk::result_ptr& result )
if ( result.isNull() )
return;
if ( !m_text.isEmpty() && contentsMargins().left() != 0 ) // FIXME: hacky
m_textMargins = contentsMargins();
setContentsMargins( BOXMARGIN * 2, BOXMARGIN / 2, BOXMARGIN * 2, BOXMARGIN / 2);
if ( m_result.isNull() || m_result.data() != result.data() )
{
m_result = result;
@ -221,8 +197,6 @@ QueryLabel::setQuery( const Tomahawk::query_ptr& query )
if ( query.isNull() )
return;
setContentsMargins( BOXMARGIN * 2, BOXMARGIN / 2, BOXMARGIN * 2, BOXMARGIN / 2 );
if ( m_query.isNull() || m_query.data() != query.data() )
{
m_query = query;
@ -230,7 +204,8 @@ QueryLabel::setQuery( const Tomahawk::query_ptr& query )
m_album = Album::get( m_artist, query->track()->album() );
m_result.clear();
updateLabel();
updateGeometry();
update();
emit textChanged( text() );
emit queryChanged( m_query );
@ -243,7 +218,8 @@ QueryLabel::setArtist( const artist_ptr& artist )
{
m_artist = artist;
updateLabel();
updateGeometry();
update();
emit textChanged( text() );
}
@ -253,36 +229,12 @@ QueryLabel::setAlbum( const album_ptr& album )
{
m_album = album;
updateLabel();
updateGeometry();
update();
emit textChanged( text() );
}
void
QueryLabel::setJumpLinkVisible( bool visible )
{
m_jumpLinkVisible = visible;
repaint();
}
Qt::Alignment
QueryLabel::alignment() const
{
return m_align;
}
void
QueryLabel::setAlignment( Qt::Alignment alignment )
{
if ( m_align != alignment )
{
m_align = alignment;
update(); // no geometry change, repaint is sufficient
}
}
Qt::TextElideMode
QueryLabel::elideMode() const
@ -297,34 +249,12 @@ QueryLabel::setElideMode( Qt::TextElideMode mode )
if ( m_mode != mode )
{
m_mode = mode;
updateLabel();
updateGeometry();
update();
}
}
void
QueryLabel::updateLabel()
{
m_hoverArea = QRect();
m_hoverType = None;
updateGeometry();
update();
}
void
QueryLabel::setExtraContentsMargins( int left, int top, int right, int bottom )
{
QMargins margins = contentsMargins();
margins.setLeft( margins.left() + left );
margins.setTop( margins.top() + top );
margins.setRight( margins.right() + right );
margins.setBottom( margins.bottom() + bottom );
setContentsMargins( margins );
}
QSize
QueryLabel::sizeHint() const
{
@ -345,7 +275,7 @@ QueryLabel::minimumSizeHint() const
default:
{
const QFontMetrics& fm = fontMetrics();
QSize size( fm.width( "..." ), fm.height() + contentsMargins().top() * 2 );
QSize size( fm.width( "..." ), fm.height() + contentsMargins().top() * 2 );
return size;
}
}
@ -353,125 +283,33 @@ QueryLabel::minimumSizeHint() const
void
QueryLabel::paintEvent( QPaintEvent* event )
QueryLabel::paintEvent( QPaintEvent* /* event */ )
{
QFrame::paintEvent( event );
QPainter p( this );
QRect r = contentsRect();
QString s = text();
const QFontMetrics& fm = fontMetrics();
const QString elidedText = fm.elidedText( s, m_mode, r.width() );
p.save();
p.setRenderHint( QPainter::Antialiasing );
if ( m_hoverArea.width() )
if ( m_hovering )
{
if ( elidedText != s )
{
m_hoverArea.setLeft( 0 );
m_hoverArea.setRight( fm.width( elidedText ) + contentsMargins().left() * 2 );
}
TomahawkUtils::drawQueryBackground( &p, m_hoverArea );
QFont f = p.font();
f.setUnderline( true );
p.setFont( f );
}
if ( elidedText != s || ( m_result.isNull() && m_query.isNull() && m_artist.isNull() && m_album.isNull() ) )
{
if ( m_hoverArea.width() )
{
p.setBrush( TomahawkStyle::SELECTION_BACKGROUND );
p.setPen( TomahawkStyle::SELECTION_FOREGROUND );
}
else
{
p.setBrush( palette().window() );
p.setPen( palette().color( foregroundRole() ) );
}
p.drawText( r, m_align, elidedText );
}
else
{
int dashX = fm.width( DASH );
int artistX = m_type & Artist ? fm.width( artist()->name() ) : 0;
int albumX = m_type & Album ? fm.width( album()->name() ) : 0;
int trackX = m_type & Track ? fm.width( track() ) : 0;
if ( m_type & Artist )
{
p.setBrush( palette().window() );
p.setPen( palette().color( foregroundRole() ) );
if ( m_hoverType == Artist )
{
p.setBrush( TomahawkStyle::SELECTION_BACKGROUND );
p.setPen( TomahawkStyle::SELECTION_FOREGROUND );
}
p.drawText( r, m_align, artist()->name() );
r.adjust( artistX, 0, 0, 0 );
}
if ( m_type & Album && !album()->name().isEmpty() )
{
p.setBrush( palette().window() );
p.setPen( palette().color( foregroundRole() ) );
if ( m_type & Artist )
{
p.drawText( r, m_align, DASH );
r.adjust( dashX, 0, 0, 0 );
}
if ( m_hoverType == Album )
{
p.setBrush( TomahawkStyle::SELECTION_BACKGROUND );
p.setPen( TomahawkStyle::SELECTION_FOREGROUND );
}
p.drawText( r, m_align, album()->name() );
r.adjust( albumX, 0, 0, 0 );
}
if ( m_type & Track )
{
p.setBrush( palette().window() );
p.setPen( palette().color( foregroundRole() ) );
if ( m_type & Artist || ( m_type & Album && !album()->name().isEmpty() ) )
{
p.drawText( r, m_align, DASH );
r.adjust( dashX, 0, 0, 0 );
}
if ( m_hoverType == Track )
{
p.setBrush( TomahawkStyle::SELECTION_BACKGROUND );
p.setPen( TomahawkStyle::SELECTION_FOREGROUND );
}
p.drawText( r, m_align, track() );
r.adjust( trackX, 0, 0, 0 );
}
if ( m_jumpLinkVisible )
{
r.adjust( 6, 0, 0, 0 );
r.setWidth( r.height() );
p.drawPixmap( r, TomahawkUtils::defaultPixmap( TomahawkUtils::JumpLink, TomahawkUtils::Original, r.size() ) );
}
}
p.restore();
const QFontMetrics fm( p.font() );
p.drawText( r, alignment(), fm.elidedText( text(), m_mode, r.width() ) );
}
void
QueryLabel::changeEvent( QEvent* event )
{
QFrame::changeEvent( event );
QLabel::changeEvent( event );
switch ( event->type() )
{
case QEvent::FontChange:
case QEvent::ApplicationFontChange:
updateLabel();
updateGeometry();
update();
break;
default:
@ -485,7 +323,7 @@ QueryLabel::contextMenuEvent( QContextMenuEvent* event )
{
m_contextMenu->clear();
switch( m_hoverType )
switch( m_type )
{
case Artist:
{
@ -509,7 +347,7 @@ QueryLabel::contextMenuEvent( QContextMenuEvent* event )
void
QueryLabel::mousePressEvent( QMouseEvent* event )
{
QFrame::mousePressEvent( event );
QLabel::mousePressEvent( event );
m_time.restart();
m_dragPos = event->pos();
}
@ -518,30 +356,28 @@ QueryLabel::mousePressEvent( QMouseEvent* event )
void
QueryLabel::mouseReleaseEvent( QMouseEvent* event )
{
QFrame::mouseReleaseEvent( event );
QLabel::mouseReleaseEvent( event );
m_dragPos = QPoint();
if ( m_time.elapsed() < qApp->doubleClickInterval() )
{
switch( m_hoverType )
switch ( m_type )
{
case Artist:
emit clickedArtist();
{
ViewManager::instance()->show( artist() );
break;
}
case Album:
emit clickedAlbum();
break;
case Track:
emit clickedTrack();
break;
case Complete:
ViewManager::instance()->showCurrentTrack();
{
ViewManager::instance()->show( album() );
break;
}
default:
emit clicked();
ViewManager::instance()->show( m_query );
}
emit clicked();
}
}
@ -549,8 +385,7 @@ QueryLabel::mouseReleaseEvent( QMouseEvent* event )
void
QueryLabel::mouseMoveEvent( QMouseEvent* event )
{
QFrame::mouseMoveEvent( event );
int x = event->x();
QLabel::mouseMoveEvent( event );
if ( event->buttons() & Qt::LeftButton &&
( m_dragPos - event->pos() ).manhattanLength() >= QApplication::startDragDistance() )
@ -560,93 +395,10 @@ QueryLabel::mouseMoveEvent( QMouseEvent* event )
return;
}
if ( m_query.isNull() && m_result.isNull() && m_artist.isNull() && m_album.isNull() )
if ( !m_hovering )
{
m_hoverArea = QRect();
m_hoverType = None;
return;
}
QFontMetrics fm = fontMetrics();
int dashX = fm.width( DASH );
int artistX = m_type & Artist ? fm.width( artist()->name() ) : 0;
int albumX = m_type & Album ? fm.width( album()->name() ) : 0;
int trackX = m_type & Track ? fm.width( track() ) : 0;
if ( m_type & Track )
{
trackX += contentsMargins().left();
}
if ( m_type & Album && !album()->name().isEmpty() )
{
trackX += albumX + dashX;
albumX += contentsMargins().left();
}
if ( m_type & Artist )
{
albumX += artistX + dashX;
trackX += artistX + dashX;
artistX += contentsMargins().left();
}
QRect hoverArea;
m_hoverType = None;
if ( m_align & Qt::AlignLeft )
{
if ( m_type & Artist && x < artistX )
{
m_hoverType = Artist;
hoverArea.setLeft( 0 );
hoverArea.setRight( artistX + contentsMargins().left() - 1 );
}
else if ( m_type & Album && !album()->name().isEmpty() && x < albumX && x > artistX )
{
m_hoverType = Album;
int spacing = ( m_type & Artist ) ? dashX : 0;
hoverArea.setLeft( artistX + spacing - contentsMargins().left() );
hoverArea.setRight( albumX + contentsMargins().left() - 1 );
}
else if ( m_type & Track && x < trackX && x > albumX )
{
m_hoverType = Track;
int spacing = ( m_type & Album && !album()->name().isEmpty() ) ? dashX : 0;
hoverArea.setLeft( albumX + spacing );
hoverArea.setRight( trackX + contentsMargins().left() - 1 );
}
else if ( m_jumpLinkVisible && x < trackX + 6 + fm.height() && x > trackX + 6 )
{
m_hoverType = Complete;
}
}
else
{
hoverArea.setLeft( 0 );
hoverArea.setRight( width() - 1 );
if ( m_type & Artist )
m_hoverType = Artist;
else if ( m_type & Album )
m_hoverType = Album;
else if ( m_type & Track )
m_hoverType = Track;
}
if ( hoverArea.width() )
{
hoverArea.setY( 1 );
hoverArea.setHeight( height() - 2 );
}
if ( m_hoverType != None )
m_hovering = true;
setCursor( Qt::PointingHandCursor );
else
setCursor( Qt::ArrowCursor );
if ( hoverArea != m_hoverArea )
{
m_hoverArea = hoverArea;
repaint();
}
}
@ -655,9 +407,9 @@ QueryLabel::mouseMoveEvent( QMouseEvent* event )
void
QueryLabel::leaveEvent( QEvent* event )
{
Q_UNUSED( event );
m_hoverArea = QRect();
m_hoverType = None;
QLabel::leaveEvent( event );
m_hovering = false;
repaint();
}
@ -674,7 +426,7 @@ QueryLabel::startDrag()
QMimeData* mimeData = new QMimeData();
mimeData->setText( text() );
switch( m_hoverType )
switch( m_type )
{
case Artist:
{
@ -710,13 +462,10 @@ QueryLabel::startDrag()
}
QString
QueryLabel::smartAppend( QString& text, const QString& appendage ) const
void
QueryLabel::setType( DisplayType type )
{
QString s;
if ( !text.isEmpty() )
s = DASH;
text += s + appendage;
return text;
m_type = type;
updateGeometry();
update();
}

37
src/libtomahawk/widgets/QueryLabel.h
View File

@ -19,10 +19,8 @@
#ifndef QUERYLABEL_H
#define QUERYLABEL_H
#include <QFrame>
#include <QLabel>
#include <QTime>
#include <QPen>
#include <QPixmap>
#include "Result.h"
#include "Query.h"
@ -34,7 +32,7 @@ namespace Tomahawk
class ContextMenu;
};
class DLLEXPORT QueryLabel : public QFrame
class DLLEXPORT QueryLabel : public QLabel
{
Q_OBJECT
@ -45,20 +43,15 @@ public:
Artist = 1,
Album = 2,
Track = 4,
ArtistAndAlbum = 3,
ArtistAndTrack = 5,
AlbumAndTrack = 6,
Complete = 7
};
explicit QueryLabel( QWidget* parent = 0, Qt::WindowFlags flags = 0 );
explicit QueryLabel( DisplayType type = Complete, QWidget* parent = 0, Qt::WindowFlags flags = 0 );
explicit QueryLabel( const Tomahawk::result_ptr& result, DisplayType type = Complete, QWidget* parent = 0, Qt::WindowFlags flags = 0 );
explicit QueryLabel( const Tomahawk::query_ptr& query, DisplayType type = Complete, QWidget* parent = 0, Qt::WindowFlags flags = 0 );
explicit QueryLabel( DisplayType type, QWidget* parent = 0, Qt::WindowFlags flags = 0 );
explicit QueryLabel( const Tomahawk::result_ptr& result, DisplayType type = None, QWidget* parent = 0, Qt::WindowFlags flags = 0 );
explicit QueryLabel( const Tomahawk::query_ptr& query, DisplayType type = None, QWidget* parent = 0, Qt::WindowFlags flags = 0 );
virtual ~QueryLabel();
QString text() const;
QString track() const;
Tomahawk::result_ptr result() const { return m_result; }
Tomahawk::query_ptr query() const { return m_query; }
@ -66,22 +59,15 @@ public:
Tomahawk::album_ptr album() const { return m_album; }
DisplayType type() const { return m_type; }
void setType( DisplayType type ) { m_type = type; }
Qt::Alignment alignment() const;
void setAlignment( Qt::Alignment alignment );
void setType( DisplayType type );
Qt::TextElideMode elideMode() const;
void setElideMode( Qt::TextElideMode mode );
void setExtraContentsMargins( int left, int top, int right, int bottom );
void setJumpLinkVisible( bool visible );
virtual QSize sizeHint() const;
virtual QSize minimumSizeHint() const;
void init();
void updateLabel();
public slots:
void setText( const QString& text );
@ -92,9 +78,6 @@ public slots:
signals:
void clicked();
void clickedArtist();
void clickedAlbum();
void clickedTrack();
void textChanged( const QString& text );
void resultChanged( const Tomahawk::result_ptr& result );
@ -117,7 +100,6 @@ private slots:
void onResultChanged();
private:
QString smartAppend( QString& text, const QString& appendage ) const;
QTime m_time;
DisplayType m_type;
@ -130,15 +112,10 @@ private:
Tomahawk::ContextMenu* m_contextMenu;
Qt::Alignment m_align;
Qt::TextElideMode m_mode;
DisplayType m_hoverType;
QRect m_hoverArea;
QPoint m_dragPos;
QMargins m_textMargins;
bool m_jumpLinkVisible;
bool m_hovering;
};
#endif // QUERYLABEL_H