office/okular
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Make the sidebar able to show the text for the items;

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it can be shown/hidden using the popup menu of the sidebat itself.

TODO: save the state across runs.

svn path=/trunk/KDE/kdegraphics/okular/; revision=702635
This commit is contained in:
Pino Toscano 2007-08-20 23:09:37 +00:00
parent 99a7d08c6d
commit 5a069b0543
2 changed files with 112 additions and 21 deletions
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131
ui/sidebar.cpp
View file

@ -10,8 +10,10 @@
#include "sidebar.h"
#include <qabstractitemdelegate.h>
#include <qaction.h>
#include <qevent.h>
#include <qfont.h>
#include <qfontmetrics.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qlist.h>
@ -21,6 +23,9 @@
#include <qsplitter.h>
#include <qstackedwidget.h>
#include <klocale.h>
#include <kmenu.h>
#include "settings.h"
static const int SidebarItemType = QListWidgetItem::UserType + 1;
@ -35,7 +40,7 @@ class SidebarItem : public QListWidgetItem
{
setFlags( Qt::ItemIsSelectable | Qt::ItemIsEnabled );
setIcon( icon );
setText( QString() );
setText( text );
setToolTip( text );
}
@ -50,19 +55,31 @@ class SidebarItem : public QListWidgetItem
/* A simple delegate to paint the icon of each item */
#define ITEM_MARGIN_LEFT 5
#define ITEM_MARGIN_TOP 5
#define ITEM_MARGIN_RIGHT 5
#define ITEM_MARGIN_BOTTOM 5
#define ITEM_PADDING 5
class SidebarDelegate : public QAbstractItemDelegate
{
public:
SidebarDelegate( QObject *parent = 0 );
~SidebarDelegate();
void setShowText( bool show );
bool isTextShown() const;
// from QAbstractItemDelegate
void paint( QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index ) const;
QSize sizeHint( const QStyleOptionViewItem &option, const QModelIndex &index ) const;
private:
bool m_showText;
};
SidebarDelegate::SidebarDelegate( QObject *parent )
: QAbstractItemDelegate( parent )
: QAbstractItemDelegate( parent ), m_showText( true )
{
}
@ -70,26 +87,41 @@ SidebarDelegate::~SidebarDelegate()
{
}
void SidebarDelegate::setShowText( bool show )
{
m_showText = show;
}
bool SidebarDelegate::isTextShown() const
{
return m_showText;
}
void SidebarDelegate::paint( QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index ) const
{
QBrush backBrush;
QBrush foreBrush;
bool disabled = false;
if ( !( option.state & QStyle::State_Enabled ) )
{
backBrush = option.palette.brush( QPalette::Disabled, QPalette::Base );
foreBrush = option.palette.brush( QPalette::Disabled, QPalette::Text );
disabled = true;
}
else if ( option.state & ( QStyle::State_HasFocus | QStyle::State_Selected ) )
{
backBrush = option.palette.brush( QPalette::Highlight );
foreBrush = option.palette.brush( QPalette::HighlightedText );
}
else if ( option.state & QStyle::State_MouseOver )
{
backBrush = option.palette.color( QPalette::Highlight ).light( 115 );
foreBrush = option.palette.brush( QPalette::HighlightedText );
}
else /*if ( option.state & QStyle::State_Enabled )*/
{
backBrush = option.palette.brush( QPalette::Base );
foreBrush = option.palette.brush( QPalette::Text );
}
painter->fillRect( option.rect, backBrush );
QIcon icon = index.data( Qt::DecorationRole ).value< QIcon >();
@ -97,18 +129,39 @@ void SidebarDelegate::paint( QPainter *painter, const QStyleOptionViewItem &opti
{
QPoint iconpos(
( option.rect.width() - option.decorationSize.width() ) / 2,
( option.rect.height() - option.decorationSize.height() ) / 2
ITEM_MARGIN_TOP
);
iconpos += option.rect.topLeft();
QIcon::Mode iconmode = disabled ? QIcon::Disabled : QIcon::Normal;
painter->drawPixmap( iconpos, icon.pixmap( option.decorationSize, iconmode ) );
}
if ( m_showText )
{
QString text = index.data( Qt::DisplayRole ).toString();
QRect fontBoundaries = QFontMetrics( option.font ).boundingRect( text );
QPoint textPos(
ITEM_MARGIN_LEFT + ( option.rect.width() - ITEM_MARGIN_LEFT - ITEM_MARGIN_RIGHT - fontBoundaries.width() ) / 2,
ITEM_MARGIN_TOP + option.decorationSize.height() + ITEM_PADDING
);
fontBoundaries.translate( -fontBoundaries.topLeft() );
fontBoundaries.translate( textPos );
fontBoundaries.translate( option.rect.topLeft() );
painter->setBrush( foreBrush );
painter->drawText( fontBoundaries, Qt::AlignCenter, text );
}
}
QSize SidebarDelegate::sizeHint( const QStyleOptionViewItem &option, const QModelIndex &index ) const
{
Q_UNUSED( index )
return option.decorationSize + QSize( 10, 10 );
QSize baseSize( option.decorationSize.width(), option.decorationSize.height() );
if ( m_showText )
{
QRect fontBoundaries = QFontMetrics( option.font ).boundingRect( index.data( Qt::DisplayRole ).toString() );
baseSize.setWidth( qMax( fontBoundaries.width(), baseSize.width() ) );
baseSize.setHeight( baseSize.height() + fontBoundaries.height() + ITEM_PADDING );
}
return baseSize + QSize( ITEM_MARGIN_LEFT + ITEM_MARGIN_RIGHT, ITEM_MARGIN_TOP + ITEM_MARGIN_BOTTOM );
}
@ -192,11 +245,14 @@ class Sidebar::Private
{
public:
Private()
: sideWidget( 0 ), bottomWidget( 0 ), splitterSizesSet( false )
: sideWidget( 0 ), bottomWidget( 0 ), splitterSizesSet( false ),
itemsHeight( 0 )
{
}
QListWidget *list;
void adjustListSize( bool expand = true );
SidebarListWidget *list;
QSplitter *splitter;
QStackedWidget *stack;
QWidget *sideContainer;
@ -206,8 +262,26 @@ public:
QWidget *bottomWidget;
QList< SidebarItem* > pages;
bool splitterSizesSet;
int itemsHeight;
SidebarDelegate *sideDelegate;
};
void Sidebar::Private::adjustListSize( bool expand )
{
QRect bottomElemRect(
QPoint( 0, 0 ),
list->sizeHintForIndex( list->model()->index( list->count() - 1, 0 ) )
);
bottomElemRect.translate( 0, bottomElemRect.height() * ( list->count() - 1 ) );
itemsHeight = bottomElemRect.height() * list->count();
list->setMinimumHeight( itemsHeight + list->frameWidth() * 2 );
int curWidth = list->minimumWidth();
int newWidth = expand
? qMax( bottomElemRect.width() + list->frameWidth() * 2, curWidth )
: qMin( bottomElemRect.width() + list->frameWidth() * 2, curWidth );
list->setFixedWidth( newWidth );
}
Sidebar::Sidebar( QWidget *parent )
: QWidget( parent ), d( new Private )
@ -219,16 +293,14 @@ Sidebar::Sidebar( QWidget *parent )
mainlay->addWidget( d->list );
d->list->setMouseTracking( true );
d->list->viewport()->setAttribute( Qt::WA_Hover );
d->list->setItemDelegate( new SidebarDelegate( d->list ) );
d->sideDelegate = new SidebarDelegate( d->list );
d->list->setItemDelegate( d->sideDelegate );
d->list->setUniformItemSizes( true );
d->list->setSelectionMode( QAbstractItemView::SingleSelection );
d->list->setIconSize( QSize( 48, 48 ) );
d->list->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
d->list->setFixedWidth(
d->list->iconSize().width() +
d->list->verticalScrollBar()->sizeHint().width() +
d->list->frameWidth() * 2
);
d->list->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
d->list->setContextMenuPolicy( Qt::CustomContextMenu );
QPalette pal = d->list->palette();
pal.setBrush( QPalette::Base, pal.brush( QPalette::Window ) );
d->list->setPalette( pal );
@ -257,6 +329,8 @@ Sidebar::Sidebar( QWidget *parent )
d->sideContainer->hide();
connect( d->list, SIGNAL( itemClicked( QListWidgetItem* ) ), this, SLOT( itemClicked( QListWidgetItem* ) ) );
connect( d->list, SIGNAL( customContextMenuRequested( const QPoint & ) ),
this, SLOT( listContextMenu( const QPoint & ) ) );
connect( d->splitter, SIGNAL( splitterMoved( int, int ) ), this, SLOT( splitterMoved( int, int ) ) );
}
@ -276,10 +350,7 @@ int Sidebar::addItem( QWidget *widget, const QIcon &icon, const QString &text )
widget->setParent( d->stack );
d->stack->addWidget( widget );
// updating the minimum height of the icon view, so all are visible with no scrolling
d->list->setMinimumHeight(
d->list->visualRect( d->list->model()->index( d->pages.count() - 1, 0 ) ).bottom() +
d->list->frameWidth() * 2
);
d->adjustListSize( true );
return d->pages.count() - 1;
}
@ -287,11 +358,11 @@ void Sidebar::setMainWidget( QWidget *widget )
{
delete d->sideWidget;
d->sideWidget = widget;
if ( widget )
if ( d->sideWidget )
{
// setting the splitter as parent for the widget automatically plugs it
// into the splitter, neat!
widget->setParent( d->splitter );
d->sideWidget->setParent( d->splitter );
if ( !d->splitterSizesSet )
{
@ -312,9 +383,9 @@ void Sidebar::setBottomWidget( QWidget *widget )
{
delete d->bottomWidget;
d->bottomWidget = widget;
if ( widget )
if ( d->bottomWidget )
{
widget->setParent( this );
d->bottomWidget->setParent( this );
d->vlay->addWidget( d->bottomWidget );
}
}
@ -423,5 +494,23 @@ void Sidebar::saveSplitterSize() const
Okular::Settings::self()->writeConfig();
}
void Sidebar::listContextMenu( const QPoint &pos )
{
KMenu menu( this );
menu.addTitle( i18n( "Okular" ) );
QAction *showTextAct = menu.addAction( i18n( "Show Text" ) );
showTextAct->setCheckable( true );
showTextAct->setChecked( d->sideDelegate->isTextShown() );
connect( showTextAct, SIGNAL( toggled( bool ) ), this, SLOT( showTextToggled( bool ) ) );
menu.exec( mapToGlobal( pos ) );
}
void Sidebar::showTextToggled( bool on )
{
d->sideDelegate->setShowText( on );
d->adjustListSize( on );
d->list->reset();
d->list->update();
}
#include "sidebar.moc"

2
ui/sidebar.h
View file

@ -38,6 +38,8 @@ class Sidebar : public QWidget
private slots:
void itemClicked( QListWidgetItem *item );
void splitterMoved( int pos, int index );
void listContextMenu( const QPoint & );
void showTextToggled( bool );
private:
void saveSplitterSize() const;