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Diffstat (limited to 'kdevdesigner/designer/connectionitems.cpp')
| -rw-r--r-- | kdevdesigner/designer/connectionitems.cpp | 517 |
1 files changed, 517 insertions, 0 deletions
diff --git a/kdevdesigner/designer/connectionitems.cpp b/kdevdesigner/designer/connectionitems.cpp new file mode 100644 index 00000000..197eef65 --- /dev/null +++ b/kdevdesigner/designer/connectionitems.cpp @@ -0,0 +1,517 @@ +/********************************************************************** +** Copyright (C) 2002 Trolltech AS. All rights reserved. +** +** This file is part of Qt Designer. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#include "connectionitems.h" +#include "formwindow.h" +#include "mainwindow.h" +#include "metadatabase.h" +#include "widgetfactory.h" +#include "project.h" +#include <qpainter.h> +#include <qcombobox.h> +#include <qmetaobject.h> +#include <qcombobox.h> +#include <qlistbox.h> +#include <qaction.h> +#include <qdatabrowser.h> + +static const char* const ignore_slots[] = { + "destroyed()", + "setCaption(const QString&)", + "setIcon(const QPixmap&)", + "setIconText(const QString&)", + "setMouseTracking(bool)", + "clearFocus()", + "setUpdatesEnabled(bool)", + "update()", + "update(int,int,int,int)", + "update(const QRect&)", + "repaint()", + "repaint(bool)", + "repaint(int,int,int,int,bool)", + "repaint(const QRect&,bool)", + "repaint(const QRegion&,bool)", + "show()", + "hide()", + "iconify()", + "showMinimized()", + "showMaximized()", + "showFullScreen()", + "showNormal()", + "polish()", + "constPolish()", + "raise()", + "lower()", + "stackUnder(QWidget*)", + "move(int,int)", + "move(const QPoint&)", + "resize(int,int)", + "resize(const QSize&)", + "setGeometry(int,int,int,int)", + "setGeometry(const QRect&)", + "focusProxyDestroyed()", + "showExtension(bool)", + "setUpLayout()", + "showDockMenu(const QPoint&)", + "init()", + "destroy()", + "deleteLater()", + 0 +}; + +ConnectionItem::ConnectionItem( QTable *table, FormWindow *fw ) + : QComboTableItem( table, QStringList(), FALSE ), formWindow( fw ), conn( 0 ) +{ + setReplaceable( FALSE ); +} + +void ConnectionItem::senderChanged( QObject * ) +{ + emit changed(); + QWidget *w = table()->cellWidget( row(), col() ); + if ( w ) + setContentFromEditor( w ); +} + +void ConnectionItem::receiverChanged( QObject * ) +{ + emit changed(); + QWidget *w = table()->cellWidget( row(), col() ); + if ( w ) + setContentFromEditor( w ); +} + +void ConnectionItem::signalChanged( const QString & ) +{ + emit changed(); + QWidget *w = table()->cellWidget( row(), col() ); + if ( w ) + setContentFromEditor( w ); +} + +void ConnectionItem::slotChanged( const QString & ) +{ + emit changed(); + QWidget *w = table()->cellWidget( row(), col() ); + if ( w ) + setContentFromEditor( w ); +} + +void ConnectionItem::setSender( SenderItem *i ) +{ + connect( i, SIGNAL( currentSenderChanged( QObject * ) ), + this, SLOT( senderChanged( QObject * ) ) ); +} + +void ConnectionItem::setReceiver( ReceiverItem *i ) +{ + connect( i, SIGNAL( currentReceiverChanged( QObject * ) ), + this, SLOT( receiverChanged( QObject * ) ) ); +} + +void ConnectionItem::setSignal( SignalItem *i ) +{ + connect( i, SIGNAL( currentSignalChanged( const QString & ) ), + this, SLOT( signalChanged( const QString & ) ) ); +} + +void ConnectionItem::setSlot( SlotItem *i ) +{ + connect( i, SIGNAL( currentSlotChanged( const QString & ) ), + this, SLOT( slotChanged( const QString & ) ) ); +} + +void ConnectionItem::paint( QPainter *p, const QColorGroup &cg, + const QRect &cr, bool selected ) +{ + p->fillRect( 0, 0, cr.width(), cr.height(), + selected ? cg.brush( QColorGroup::Highlight ) + : cg.brush( QColorGroup::Base ) ); + + int w = cr.width(); + int h = cr.height(); + + int x = 0; + + if ( currentText()[0] == '<' ) + p->setPen( QObject::red ); + else if ( selected ) + p->setPen( cg.highlightedText() ); + else + p->setPen( cg.text() ); + + QFont f( p->font() ); + QFont oldf( p->font() ); + if ( conn && conn->isModified() ) { + f.setBold( TRUE ); + p->setFont( f ); + } + + p->drawText( x + 2, 0, w - x - 4, h, alignment(), currentText() ); + p->setFont( oldf ); +} + +void ConnectionItem::setConnection( ConnectionContainer *c ) +{ + conn = c; +} + +// ------------------------------------------------------------------ + +static void appendChildActions( QAction *action, QStringList &lst ) +{ + QObjectListIt it( *action->children() ); + while ( it.current() ) { + QObject *o = it.current(); + ++it; + if ( !::qt_cast<QAction*>(o) ) + continue; + lst << o->name(); + if ( o->children() && ::qt_cast<QActionGroup*>(o) ) + appendChildActions( (QAction*)o, lst ); + } +} + +static QStringList flatActions( const QPtrList<QAction> &l ) +{ + QStringList lst; + + QPtrListIterator<QAction> it( l ); + while ( it.current() ) { + QAction *action = it.current(); + lst << action->name(); + if ( action->children() && ::qt_cast<QActionGroup*>(action) ) + appendChildActions( action, lst ); + ++it; + } + + return lst; +} + +// ------------------------------------------------------------------ + +SenderItem::SenderItem( QTable *table, FormWindow *fw ) + : ConnectionItem( table, fw ) +{ + QStringList lst; + + QPtrDictIterator<QWidget> it( *formWindow->widgets() ); + while ( it.current() ) { + if ( lst.find( it.current()->name() ) != lst.end() ) { + ++it; + continue; + } + if ( !QString( it.current()->name() ).startsWith( "qt_dead_widget_" ) && + !::qt_cast<QLayoutWidget*>(it.current()) && + !::qt_cast<Spacer*>(it.current()) && + !::qt_cast<SizeHandle*>(it.current()) && + qstrcmp( it.current()->name(), "central widget" ) != 0 ) { + lst << it.current()->name(); + } + ++it; + } + + lst += flatActions( formWindow->actionList() ); + + lst.prepend( "<No Sender>" ); + lst.sort(); + setStringList( lst ); +} + +QWidget *SenderItem::createEditor() const +{ + QComboBox *cb = (QComboBox*)ConnectionItem::createEditor(); + cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) ); + connect( cb, SIGNAL( activated( const QString & ) ), + this, SLOT( senderChanged( const QString & ) ) ); + return cb; +} + +void SenderItem::setSenderEx( QObject *sender ) +{ + setCurrentItem( sender->name() ); + emit currentSenderChanged( sender ); +} + +void SenderItem::senderChanged( const QString &sender ) +{ + QObject *o = formWindow->child( sender, "QObject" ); + if ( !o ) + o = formWindow->findAction( sender ); + if ( !o ) + return; + emit currentSenderChanged( o ); +} + + + +// ------------------------------------------------------------------ + +ReceiverItem::ReceiverItem( QTable *table, FormWindow *fw ) + : ConnectionItem( table, fw ) +{ + QStringList lst; + + QPtrDictIterator<QWidget> it( *formWindow->widgets() ); + while ( it.current() ) { + if ( lst.find( it.current()->name() ) != lst.end() ) { + ++it; + continue; + } + if ( !QString( it.current()->name() ).startsWith( "qt_dead_widget_" ) && + !::qt_cast<QLayoutWidget*>(it.current()) && + !::qt_cast<Spacer*>(it.current()) && + !::qt_cast<SizeHandle*>(it.current()) && + qstrcmp( it.current()->name(), "central widget" ) != 0 ) { + lst << it.current()->name(); + } + ++it; + } + + lst += flatActions( formWindow->actionList() ); + + lst.prepend( "<No Receiver>" ); + lst.sort(); + setStringList( lst ); +} + +QWidget *ReceiverItem::createEditor() const +{ + QComboBox *cb = (QComboBox*)ConnectionItem::createEditor(); + cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) ); + connect( cb, SIGNAL( activated( const QString & ) ), + this, SLOT( receiverChanged( const QString & ) ) ); + return cb; +} + +void ReceiverItem::setReceiverEx( QObject *receiver ) +{ + setCurrentItem( receiver->name() ); + emit currentReceiverChanged( receiver ); +} + +void ReceiverItem::receiverChanged( const QString &receiver ) +{ + QObject *o = formWindow->child( receiver, "QObject" ); + if ( !o ) + o = formWindow->findAction( receiver ); + if ( !o ) + return; + emit currentReceiverChanged( o ); +} + + + +// ------------------------------------------------------------------ + +SignalItem::SignalItem( QTable *table, FormWindow *fw ) + : ConnectionItem( table, fw ) +{ + QStringList lst; + lst << "<No Signal>"; + lst.sort(); + setStringList( lst ); +} + +void SignalItem::senderChanged( QObject *sender ) +{ + QStrList sigs = sender->metaObject()->signalNames( TRUE ); + sigs.remove( "destroyed()" ); + sigs.remove( "destroyed(QObject*)" ); + sigs.remove( "accessibilityChanged(int)" ); + sigs.remove( "accessibilityChanged(int,int)" ); + + QStringList lst = QStringList::fromStrList( sigs ); + + if ( ::qt_cast<CustomWidget*>(sender) ) { + MetaDataBase::CustomWidget *w = ( (CustomWidget*)sender )->customWidget(); + for ( QValueList<QCString>::Iterator it = w->lstSignals.begin(); + it != w->lstSignals.end(); ++it ) + lst << MetaDataBase::normalizeFunction( *it ); + } + + if ( sender == formWindow->mainContainer() ) { + QStringList extra = MetaDataBase::signalList( formWindow ); + if ( !extra.isEmpty() ) + lst += extra; + } + + lst.prepend( "<No Signal>" ); + + lst.sort(); + setStringList( lst ); + + ConnectionItem::senderChanged( sender ); +} + +QWidget *SignalItem::createEditor() const +{ + QComboBox *cb = (QComboBox*)ConnectionItem::createEditor(); + cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) ); + connect( cb, SIGNAL( activated( const QString & ) ), + this, SIGNAL( currentSignalChanged( const QString & ) ) ); + return cb; +} + +// ------------------------------------------------------------------ + +SlotItem::SlotItem( QTable *table, FormWindow *fw ) + : ConnectionItem( table, fw ) +{ + QStringList lst; + lst << "<No Slot>"; + lst.sort(); + setStringList( lst ); + + lastReceiver = 0; + lastSignal = "<No Signal>"; +} + +void SlotItem::receiverChanged( QObject *receiver ) +{ + lastReceiver = receiver; + updateSlotList(); + ConnectionItem::receiverChanged( receiver ); +} + +void SlotItem::signalChanged( const QString &signal ) +{ + lastSignal = signal; + updateSlotList(); + ConnectionItem::signalChanged( signal ); +} + +bool SlotItem::ignoreSlot( const char* slot ) const +{ +#ifndef QT_NO_SQL + if ( qstrcmp( slot, "update()" ) == 0 && + ::qt_cast<QDataBrowser*>(lastReceiver) ) + return FALSE; +#endif + + for ( int i = 0; ignore_slots[i]; i++ ) { + if ( qstrcmp( slot, ignore_slots[i] ) == 0 ) + return TRUE; + } + + if ( !formWindow->isMainContainer( (QWidget*)lastReceiver ) ) { + if ( qstrcmp( slot, "close()" ) == 0 ) + return TRUE; + } + + if ( qstrcmp( slot, "setFocus()" ) == 0 ) + if ( lastReceiver->isWidgetType() && + ( (QWidget*)lastReceiver )->focusPolicy() == QWidget::NoFocus ) + return TRUE; + + return FALSE; +} + +void SlotItem::updateSlotList() +{ + QStringList lst; + if ( !lastReceiver || lastSignal == "<No Signal>" ) { + lst << "<No Slot>"; + lst.sort(); + setStringList( lst ); + return; + } + + QString signal = MetaDataBase::normalizeFunction( lastSignal ); + int n = lastReceiver->metaObject()->numSlots( TRUE ); + QStringList slts; + + for( int i = 0; i < n; ++i ) { + // accept only public slots. For the form window, also accept protected slots + const QMetaData* md = lastReceiver->metaObject()->slot( i, TRUE ); + if ( ( (lastReceiver->metaObject()->slot( i, TRUE )->access == QMetaData::Public) || + (formWindow->isMainContainer( (QWidget*)lastReceiver ) && + lastReceiver->metaObject()->slot(i, TRUE)->access == + QMetaData::Protected) ) && + !ignoreSlot( md->name ) && + checkConnectArgs( signal.latin1(), lastReceiver, md->name ) ) + if ( lst.find( md->name ) == lst.end() ) + lst << MetaDataBase::normalizeFunction( md->name ); + } + + LanguageInterface *iface = + MetaDataBase::languageInterface( formWindow->project()->language() ); + if ( !iface || iface->supports( LanguageInterface::ConnectionsToCustomSlots ) ) { + if ( formWindow->isMainContainer( (QWidget*)lastReceiver ) ) { + QValueList<MetaDataBase::Function> moreSlots = MetaDataBase::slotList( formWindow ); + if ( !moreSlots.isEmpty() ) { + for ( QValueList<MetaDataBase::Function>::Iterator it = moreSlots.begin(); + it != moreSlots.end(); ++it ) { + QCString s = (*it).function; + if ( !s.data() ) + continue; + s = MetaDataBase::normalizeFunction( s ); + if ( checkConnectArgs( signal.latin1(), lastReceiver, s ) ) { + if ( lst.find( (*it).function ) == lst.end() ) + lst << s; + } + } + } + } + } + + if ( ::qt_cast<CustomWidget*>(lastReceiver) ) { + MetaDataBase::CustomWidget *w = ( (CustomWidget*)lastReceiver )->customWidget(); + for ( QValueList<MetaDataBase::Function>::Iterator it = w->lstSlots.begin(); + it != w->lstSlots.end(); ++it ) { + QCString s = (*it).function; + if ( !s.data() ) + continue; + s = MetaDataBase::normalizeFunction( s ); + if ( checkConnectArgs( signal.latin1(), lastReceiver, s ) ) { + if ( lst.find( (*it).function ) == lst.end() ) + lst << s; + } + } + } + + lst.prepend( "<No Slot>" ); + lst.sort(); + setStringList( lst ); +} + +QWidget *SlotItem::createEditor() const +{ + QComboBox *cb = (QComboBox*)ConnectionItem::createEditor(); + cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) ); + connect( cb, SIGNAL( activated( const QString & ) ), + this, SIGNAL( currentSlotChanged( const QString & ) ) ); + return cb; +} + +void SlotItem::customSlotsChanged() +{ + QString currSlot = currentText(); + updateSlotList(); + setCurrentItem( "<No Slot>" ); + setCurrentItem( currSlot ); + emit currentSlotChanged( currentText() ); +} |