summaryrefslogtreecommitdiffstats
path: root/kdevdesigner/designer/connectionitems.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'kdevdesigner/designer/connectionitems.cpp')
-rw-r--r--kdevdesigner/designer/connectionitems.cpp517
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 [email protected] for
+** information about Qt Commercial License Agreements.
+**
+** Contact [email protected] 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() );
+}