goldendict-ng/dictionarybar.cc
2022-02-03 17:50:47 +08:00

404 lines
11 KiB
C++

#include "dictionarybar.hh"
#include <QAction>
#include <QApplication>
#include <QMenu>
#include <QContextMenuEvent>
#include <QProcess>
#include "gddebug.hh"
#include "fsencoding.hh"
#include <QDebug>
using std::vector;
DictionaryBar::DictionaryBar( QWidget * parent,
Config::Events & events, QString const & _editDictionaryCommand, unsigned short const & maxDictionaryRefsInContextMenu_ ):
QToolBar( tr( "&Dictionary Bar" ), parent ),
mutedDictionaries( 0 ),
configEvents( events ),
editDictionaryCommand( _editDictionaryCommand ),
maxDictionaryRefsInContextMenu(maxDictionaryRefsInContextMenu_),
use14x21( false ),
timerId( 0 )
{
setObjectName( "dictionaryBar" );
maxDictionaryRefsAction = new QAction( QIcon(":/icons/expand_opt.png"), tr( "Extended menu with all dictionaries..." ), this );
connect( &events, SIGNAL( mutedDictionariesChanged() ),
this, SLOT( mutedDictionariesChanged() ) );
connect( this, SIGNAL(actionTriggered(QAction*)),
this, SLOT(actionWasTriggered(QAction*)) );
installEventFilter( this );
}
static QString elideDictName( QString const & name )
{
// Some names are way too long -- we insert an ellipsis in the middle of those
int const maxSize = 33;
if ( name.size() <= maxSize )
return name;
int const pieceSize = maxSize / 2 - 1;
return name.left( pieceSize ) + QChar( 0x2026 ) + name.right( pieceSize );
}
void DictionaryBar::setDictionaries( vector< sptr< Dictionary::Class > >
const & dictionaries )
{
setUpdatesEnabled( false );
allDictionaries.clear();
allDictionaries = dictionaries;
clear();
dictActions.clear();
use14x21 = false;
for( unsigned x = 0; x < dictionaries.size(); ++x )
{
QIcon icon = dictionaries[ x ]->getNativeIcon();
QString dictName = QString::fromUtf8( dictionaries[ x ]->
getName().c_str() );
QAction * action = addAction( icon, elideDictName( dictName ) );
action->setToolTip( dictName ); // Tooltip need not be shortened
QString id = QString::fromStdString( dictionaries[ x ]->getId() );
action->setData( id );
action->setCheckable( true );
action->setChecked( mutedDictionaries ? !mutedDictionaries->contains( id ) : true );
QList< QSize > sizes = icon.availableSizes();
// for( QList< QSize >::iterator i = sizes.begin(); i != sizes.end();
// ++i )
// if ( i->width() == 14 && i->height() == 21 )
// use14x21 = true;
dictActions.append( action );
}
setDictionaryIconSize( 21 );
setUpdatesEnabled( true );
}
void DictionaryBar::setDictionaryIconSize( int extent )
{
setIconSize( QSize( use14x21 ? extent*2/3 : extent, extent ) );
}
void DictionaryBar::contextMenuEvent( QContextMenuEvent * event )
{
showContextMenu( event );
}
void DictionaryBar::showContextMenu( QContextMenuEvent * event, bool extended )
{
QMenu menu( this );
QAction * editAction =
menu.addAction( QIcon( ":/icons/bookcase.svg" ), tr( "Edit this group" ) );
QAction * infoAction = NULL;
QAction * headwordsAction = NULL;
QAction * editDictAction = NULL;
QAction * openDictFolderAction = NULL;
QString dictFilename;
QAction * dictAction = actionAt( event->x(), event->y() );
if( dictAction )
{
Dictionary::Class *pDict = NULL;
QString id = dictAction->data().toString();
for( unsigned i = 0; i < allDictionaries.size(); i++ )
{
if( id.compare( allDictionaries[ i ]->getId().c_str() ) == 0 )
{
pDict = allDictionaries[ i ].get();
break;
}
}
if( pDict )
{
infoAction = menu.addAction( tr( "Dictionary info" ) );
if( pDict->isLocalDictionary() )
{
if( pDict->getWordCount() > 0 )
headwordsAction = menu.addAction( tr( "Dictionary headwords" ) );
openDictFolderAction = menu.addAction( tr( "Open dictionary folder" ) );
if( !editDictionaryCommand.isEmpty() )
{
if( !pDict->getMainFilename().isEmpty() )
{
dictFilename = pDict->getMainFilename();
editDictAction = menu.addAction( tr( "Edit dictionary" ) );
}
}
}
}
}
if ( !dictActions.empty() )
menu.addSeparator();
unsigned refsAdded = 0;
for( QList< QAction * >::iterator i = dictActions.begin();
i != dictActions.end(); ++i )
{
// Enough! Or the menu would become too large.
if ( refsAdded++ >= maxDictionaryRefsInContextMenu && !extended )
{
menu.addSeparator();
menu.addAction( maxDictionaryRefsAction );
break;
}
// We need new action, since the one we have has text elided
QAction * action = menu.addAction( (*i)->icon(), (*i)->toolTip() );
action->setCheckable( true );
action->setChecked( (*i)->isChecked() );
action->setData( QVariant::fromValue( (void *)*i ) );
// Force "icon in menu" on all platforms, for
// usability reasons.
action->setIconVisibleInMenu( true );
}
connect( this, SIGNAL( closePopupMenu() ), &menu, SLOT( close() ) );
QAction * result = menu.exec( event->globalPos() );
if( result && result == infoAction )
{
QString id = dictAction->data().toString();
emit showDictionaryInfo( id );
return;
}
if( result && result == headwordsAction )
{
QString id = dictAction->data().toString();
emit showDictionaryHeadwords( id );
return;
}
if( result && result == openDictFolderAction )
{
QString id = dictAction->data().toString();
emit openDictionaryFolder( id );
return;
}
if( result && result == editDictAction )
{
QString command( editDictionaryCommand );
command.replace( "%GDDICT%", "\"" + dictFilename + "\"" );
if( !QProcess::startDetached( command ,QStringList()) )
QApplication::beep();
}
if( result && result == maxDictionaryRefsAction )
{
showContextMenu( event, true );
}
if ( result == editAction )
emit editGroupRequested();
else
if ( result && result->data().value< void * >() )
( ( QAction * )( result->data().value< void * >() ) )->trigger();
event->accept();
}
void DictionaryBar::mutedDictionariesChanged()
{
//GD_DPRINTF( "Muted dictionaries changed\n" );
if( !mutedDictionaries )
return;
// Update actions
setUpdatesEnabled( false );
for( QList< QAction * >::iterator i = dictActions.begin();
i != dictActions.end(); ++i )
{
bool isUnmuted = !mutedDictionaries->contains( (*i)->data().toString() );
if ( isUnmuted != (*i)->isChecked() )
(*i)->setChecked( isUnmuted );
}
setUpdatesEnabled( true );
}
void DictionaryBar::actionWasTriggered( QAction * action )
{
if( !mutedDictionaries )
return;
QString id = action->data().toString();
if ( id.isEmpty() )
return; // Some weird action, not our button
if ( QApplication::keyboardModifiers() &
( Qt::ControlModifier | Qt::ShiftModifier ) )
{
// Solo mode -- either use the dictionary exclusively, or toggle
// back all dictionaries if we do that already.
// Are we solo already?
bool isSolo = true;
// For solo, all dictionaries must be unchecked, since we're handling
// the result of the dictionary being (un)checked, and in case we were
// in solo, now we would end up with no dictionaries being checked at all.
for( QList< QAction * >::iterator i = dictActions.begin();
i != dictActions.end(); ++i )
{
if ( (*i)->isChecked() )
{
isSolo = false;
break;
}
}
if ( isSolo )
{
// Restore or clear all the dictionaries
if ( QApplication::keyboardModifiers() & Qt::ShiftModifier )
*mutedDictionaries = storedMutedSet;
else
{
for( QList< QAction * >::iterator i = dictActions.begin();
i != dictActions.end(); ++i )
mutedDictionaries->remove( (*i)->data().toString() );
}
storedMutedSet.clear();
}
else
{
// Save dictionaries state
storedMutedSet = *mutedDictionaries;
// Make dictionary solo
for( QList< QAction * >::iterator i = dictActions.begin();
i != dictActions.end(); ++i )
{
QString dictId = (*i)->data().toString();
if ( dictId == id )
mutedDictionaries->remove( dictId );
else
mutedDictionaries->insert( dictId );
}
}
configEvents.signalMutedDictionariesChanged();
}
else
{
// Normal mode
storedMutedSet.clear();
if ( action->isChecked() )
{
// Unmute the dictionary
if ( mutedDictionaries->contains( id ) )
{
mutedDictionaries->remove( id );
configEvents.signalMutedDictionariesChanged();
}
}
else
{
// Mute the dictionary
if ( !mutedDictionaries->contains( id ) )
{
mutedDictionaries->insert( id );
configEvents.signalMutedDictionariesChanged();
}
}
}
}
void DictionaryBar::dictsPaneClicked( const QString & id )
{
if ( !isVisible() )
return;
for( QList< QAction * >::iterator i = dictActions.begin();
i != dictActions.end(); ++i )
{
QString dictId = (*i)->data().toString();
if ( dictId == id )
{
(*i)->activate( QAction::Trigger );
break;
}
}
}
bool DictionaryBar::eventFilter( QObject * obj, QEvent * ev )
{
if(obj == this && !isFloating() )
{
QPoint pt = parentWidget()->mapFromGlobal( QCursor::pos() );
switch( ev->type() )
{
case QEvent::Leave : if( geometry().contains( pt ) )
{
if( timerId )
killTimer( timerId );
timerId = startTimer( 500 );
return true;
}
break;
case QEvent::Enter : if( timerId != 0)
{
killTimer( timerId );
timerId = 0;
}
break;
case QEvent::Timer: if( static_cast< QTimerEvent * >( ev )->timerId() == timerId )
{
if( !geometry().contains( pt ) )
{
killTimer( timerId );
timerId = 0;
QEvent event( QEvent::Leave );
QApplication::sendEvent( this, &event );
}
return true;
}
break;
default: break;
}
}
return false;
}