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525 lines
14 KiB
525 lines
14 KiB
/**********************************************************************
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of Qt Designer.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "connectionitems.h"
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#include "formwindow.h"
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#include "mainwindow.h"
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#include "metadatabase.h"
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#include "widgetfactory.h"
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#include "project.h"
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#include <qpainter.h>
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#include <qcombobox.h>
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#include <qmetaobject.h>
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#include <qcombobox.h>
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#include <qlistbox.h>
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#include <qaction.h>
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#include <qdatabrowser.h>
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static const char* const ignore_slots[] = {
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"destroyed()",
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"setCaption(const QString&)",
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"setIcon(const QPixmap&)",
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"setIconText(const QString&)",
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"setMouseTracking(bool)",
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"clearFocus()",
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"setUpdatesEnabled(bool)",
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"update()",
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"update(int,int,int,int)",
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"update(const QRect&)",
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"repaint()",
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"repaint(bool)",
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"repaint(int,int,int,int,bool)",
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"repaint(const QRect&,bool)",
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"repaint(const QRegion&,bool)",
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"show()",
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"hide()",
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"iconify()",
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"showMinimized()",
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"showMaximized()",
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"showFullScreen()",
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"showNormal()",
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"polish()",
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"constPolish()",
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"raise()",
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"lower()",
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"stackUnder(QWidget*)",
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"move(int,int)",
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"move(const QPoint&)",
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"resize(int,int)",
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"resize(const QSize&)",
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"setGeometry(int,int,int,int)",
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"setGeometry(const QRect&)",
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"focusProxyDestroyed()",
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"showExtension(bool)",
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"setUpLayout()",
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"showDockMenu(const QPoint&)",
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"init()",
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"destroy()",
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"deleteLater()",
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0
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};
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ConnectionItem::ConnectionItem( QTable *table, FormWindow *fw )
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: QComboTableItem( table, QStringList(), FALSE ), formWindow( fw ), conn( 0 )
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{
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setReplaceable( FALSE );
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}
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void ConnectionItem::senderChanged( QObject * )
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{
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emit changed();
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QWidget *w = table()->cellWidget( row(), col() );
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if ( w )
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setContentFromEditor( w );
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}
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void ConnectionItem::receiverChanged( QObject * )
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{
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emit changed();
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QWidget *w = table()->cellWidget( row(), col() );
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if ( w )
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setContentFromEditor( w );
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}
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void ConnectionItem::signalChanged( const QString & )
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{
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emit changed();
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QWidget *w = table()->cellWidget( row(), col() );
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if ( w )
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setContentFromEditor( w );
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}
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void ConnectionItem::slotChanged( const QString & )
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{
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emit changed();
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QWidget *w = table()->cellWidget( row(), col() );
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if ( w )
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setContentFromEditor( w );
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}
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void ConnectionItem::setSender( SenderItem *i )
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{
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connect( i, SIGNAL( currentSenderChanged( QObject * ) ),
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this, SLOT( senderChanged( QObject * ) ) );
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}
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void ConnectionItem::setReceiver( ReceiverItem *i )
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{
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connect( i, SIGNAL( currentReceiverChanged( QObject * ) ),
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this, SLOT( receiverChanged( QObject * ) ) );
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}
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void ConnectionItem::setSignal( SignalItem *i )
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{
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connect( i, SIGNAL( currentSignalChanged( const QString & ) ),
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this, SLOT( signalChanged( const QString & ) ) );
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}
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void ConnectionItem::setSlot( SlotItem *i )
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{
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connect( i, SIGNAL( currentSlotChanged( const QString & ) ),
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this, SLOT( slotChanged( const QString & ) ) );
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}
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void ConnectionItem::paint( QPainter *p, const QColorGroup &cg,
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const QRect &cr, bool selected )
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{
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p->fillRect( 0, 0, cr.width(), cr.height(),
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selected ? cg.brush( QColorGroup::Highlight )
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: cg.brush( QColorGroup::Base ) );
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int w = cr.width();
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int h = cr.height();
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int x = 0;
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if ( currentText()[0] == '<' )
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p->setPen( QObject::red );
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else if ( selected )
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p->setPen( cg.highlightedText() );
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else
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p->setPen( cg.text() );
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QFont f( p->font() );
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QFont oldf( p->font() );
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if ( conn && conn->isModified() ) {
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f.setBold( TRUE );
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p->setFont( f );
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}
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p->drawText( x + 2, 0, w - x - 4, h, alignment(), currentText() );
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p->setFont( oldf );
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}
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void ConnectionItem::setConnection( ConnectionContainer *c )
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{
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conn = c;
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}
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// ------------------------------------------------------------------
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static void appendChildActions( QAction *action, QStringList &lst )
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{
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QObjectListIt it( *action->children() );
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while ( it.current() ) {
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QObject *o = it.current();
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++it;
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if ( !::qt_cast<QAction*>(o) )
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continue;
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lst << o->name();
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if ( o->children() && ::qt_cast<QActionGroup*>(o) )
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appendChildActions( (QAction*)o, lst );
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}
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}
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static QStringList flatActions( const QPtrList<QAction> &l )
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{
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QStringList lst;
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QPtrListIterator<QAction> it( l );
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while ( it.current() ) {
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QAction *action = it.current();
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lst << action->name();
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if ( action->children() && ::qt_cast<QActionGroup*>(action) )
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appendChildActions( action, lst );
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++it;
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}
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return lst;
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}
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// ------------------------------------------------------------------
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SenderItem::SenderItem( QTable *table, FormWindow *fw )
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: ConnectionItem( table, fw )
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{
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QStringList lst;
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QPtrDictIterator<QWidget> it( *formWindow->widgets() );
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while ( it.current() ) {
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if ( lst.find( it.current()->name() ) != lst.end() ) {
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++it;
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continue;
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}
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if ( !QString( it.current()->name() ).startsWith( "qt_dead_widget_" ) &&
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!::qt_cast<QLayoutWidget*>(it.current()) &&
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!::qt_cast<Spacer*>(it.current()) &&
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!::qt_cast<SizeHandle*>(it.current()) &&
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qstrcmp( it.current()->name(), "central widget" ) != 0 ) {
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lst << it.current()->name();
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}
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++it;
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}
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lst += flatActions( formWindow->actionList() );
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lst.prepend( "<No Sender>" );
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lst.sort();
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setStringList( lst );
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}
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QWidget *SenderItem::createEditor() const
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{
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QComboBox *cb = (QComboBox*)ConnectionItem::createEditor();
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cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) );
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connect( cb, SIGNAL( activated( const QString & ) ),
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this, SLOT( senderChanged( const QString & ) ) );
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return cb;
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}
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void SenderItem::setSenderEx( QObject *sender )
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{
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setCurrentItem( sender->name() );
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emit currentSenderChanged( sender );
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}
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void SenderItem::senderChanged( const QString &sender )
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{
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QObject *o = formWindow->child( sender, "QObject" );
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if ( !o )
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o = formWindow->findAction( sender );
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if ( !o )
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return;
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emit currentSenderChanged( o );
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}
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// ------------------------------------------------------------------
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ReceiverItem::ReceiverItem( QTable *table, FormWindow *fw )
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: ConnectionItem( table, fw )
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{
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QStringList lst;
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QPtrDictIterator<QWidget> it( *formWindow->widgets() );
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while ( it.current() ) {
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if ( lst.find( it.current()->name() ) != lst.end() ) {
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++it;
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continue;
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}
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if ( !QString( it.current()->name() ).startsWith( "qt_dead_widget_" ) &&
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!::qt_cast<QLayoutWidget*>(it.current()) &&
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!::qt_cast<Spacer*>(it.current()) &&
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!::qt_cast<SizeHandle*>(it.current()) &&
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qstrcmp( it.current()->name(), "central widget" ) != 0 ) {
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lst << it.current()->name();
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}
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++it;
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}
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lst += flatActions( formWindow->actionList() );
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lst.prepend( "<No Receiver>" );
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lst.sort();
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setStringList( lst );
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}
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QWidget *ReceiverItem::createEditor() const
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{
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QComboBox *cb = (QComboBox*)ConnectionItem::createEditor();
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cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) );
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connect( cb, SIGNAL( activated( const QString & ) ),
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this, SLOT( receiverChanged( const QString & ) ) );
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return cb;
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}
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void ReceiverItem::setReceiverEx( QObject *receiver )
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{
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setCurrentItem( receiver->name() );
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emit currentReceiverChanged( receiver );
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}
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void ReceiverItem::receiverChanged( const QString &receiver )
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{
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QObject *o = formWindow->child( receiver, "QObject" );
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if ( !o )
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o = formWindow->findAction( receiver );
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if ( !o )
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return;
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emit currentReceiverChanged( o );
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}
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// ------------------------------------------------------------------
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SignalItem::SignalItem( QTable *table, FormWindow *fw )
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: ConnectionItem( table, fw )
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{
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QStringList lst;
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lst << "<No Signal>";
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lst.sort();
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setStringList( lst );
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}
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void SignalItem::senderChanged( QObject *sender )
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{
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QStrList sigs = sender->metaObject()->signalNames( TRUE );
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sigs.remove( "destroyed()" );
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sigs.remove( "destroyed(QObject*)" );
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sigs.remove( "accessibilityChanged(int)" );
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sigs.remove( "accessibilityChanged(int,int)" );
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QStringList lst = QStringList::fromStrList( sigs );
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if ( ::qt_cast<CustomWidget*>(sender) ) {
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MetaDataBase::CustomWidget *w = ( (CustomWidget*)sender )->customWidget();
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for ( QValueList<QCString>::Iterator it = w->lstSignals.begin();
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it != w->lstSignals.end(); ++it )
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lst << MetaDataBase::normalizeFunction( *it );
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}
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if ( sender == formWindow->mainContainer() ) {
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QStringList extra = MetaDataBase::signalList( formWindow );
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if ( !extra.isEmpty() )
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lst += extra;
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}
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lst.prepend( "<No Signal>" );
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lst.sort();
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setStringList( lst );
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ConnectionItem::senderChanged( sender );
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}
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QWidget *SignalItem::createEditor() const
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{
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QComboBox *cb = (QComboBox*)ConnectionItem::createEditor();
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cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) );
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connect( cb, SIGNAL( activated( const QString & ) ),
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this, SIGNAL( currentSignalChanged( const QString & ) ) );
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return cb;
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}
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// ------------------------------------------------------------------
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SlotItem::SlotItem( QTable *table, FormWindow *fw )
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: ConnectionItem( table, fw )
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{
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QStringList lst;
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lst << "<No Slot>";
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lst.sort();
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setStringList( lst );
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lastReceiver = 0;
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lastSignal = "<No Signal>";
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}
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void SlotItem::receiverChanged( QObject *receiver )
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{
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lastReceiver = receiver;
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updateSlotList();
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ConnectionItem::receiverChanged( receiver );
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}
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void SlotItem::signalChanged( const QString &signal )
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{
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lastSignal = signal;
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updateSlotList();
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ConnectionItem::signalChanged( signal );
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}
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bool SlotItem::ignoreSlot( const char* slot ) const
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{
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#ifndef QT_NO_SQL
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if ( qstrcmp( slot, "update()" ) == 0 &&
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::qt_cast<QDataBrowser*>(lastReceiver) )
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return FALSE;
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#endif
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for ( int i = 0; ignore_slots[i]; i++ ) {
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if ( qstrcmp( slot, ignore_slots[i] ) == 0 )
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return TRUE;
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}
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if ( !formWindow->isMainContainer( (QWidget*)lastReceiver ) ) {
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if ( qstrcmp( slot, "close()" ) == 0 )
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return TRUE;
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}
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if ( qstrcmp( slot, "setFocus()" ) == 0 )
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if ( lastReceiver->isWidgetType() &&
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( (QWidget*)lastReceiver )->focusPolicy() == QWidget::NoFocus )
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return TRUE;
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return FALSE;
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}
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void SlotItem::updateSlotList()
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{
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QStringList lst;
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if ( !lastReceiver || lastSignal == "<No Signal>" ) {
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lst << "<No Slot>";
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lst.sort();
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setStringList( lst );
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return;
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}
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QString signal = MetaDataBase::normalizeFunction( lastSignal );
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int n = lastReceiver->metaObject()->numSlots( TRUE );
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QStringList slts;
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for( int i = 0; i < n; ++i ) {
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// accept only public slots. For the form window, also accept protected slots
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const QMetaData* md = lastReceiver->metaObject()->slot( i, TRUE );
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if ( ( (lastReceiver->metaObject()->slot( i, TRUE )->access == QMetaData::Public) ||
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(formWindow->isMainContainer( (QWidget*)lastReceiver ) &&
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lastReceiver->metaObject()->slot(i, TRUE)->access ==
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QMetaData::Protected) ) &&
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!ignoreSlot( md->name ) &&
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checkConnectArgs( signal.latin1(), lastReceiver, md->name ) )
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if ( lst.find( md->name ) == lst.end() )
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lst << MetaDataBase::normalizeFunction( md->name );
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}
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LanguageInterface *iface =
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MetaDataBase::languageInterface( formWindow->project()->language() );
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if ( !iface || iface->supports( LanguageInterface::ConnectionsToCustomSlots ) ) {
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if ( formWindow->isMainContainer( (QWidget*)lastReceiver ) ) {
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QValueList<MetaDataBase::Function> moreSlots = MetaDataBase::slotList( formWindow );
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if ( !moreSlots.isEmpty() ) {
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for ( QValueList<MetaDataBase::Function>::Iterator it = moreSlots.begin();
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it != moreSlots.end(); ++it ) {
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QCString s = (*it).function;
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if ( !s.data() )
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continue;
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s = MetaDataBase::normalizeFunction( s );
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if ( checkConnectArgs( signal.latin1(), lastReceiver, s ) ) {
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if ( lst.find( (*it).function ) == lst.end() )
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lst << s;
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}
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}
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}
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}
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}
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if ( ::qt_cast<CustomWidget*>(lastReceiver) ) {
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MetaDataBase::CustomWidget *w = ( (CustomWidget*)lastReceiver )->customWidget();
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for ( QValueList<MetaDataBase::Function>::Iterator it = w->lstSlots.begin();
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it != w->lstSlots.end(); ++it ) {
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QCString s = (*it).function;
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if ( !s.data() )
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continue;
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s = MetaDataBase::normalizeFunction( s );
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if ( checkConnectArgs( signal.latin1(), lastReceiver, s ) ) {
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if ( lst.find( (*it).function ) == lst.end() )
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lst << s;
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}
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}
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}
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lst.prepend( "<No Slot>" );
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lst.sort();
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setStringList( lst );
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}
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QWidget *SlotItem::createEditor() const
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{
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QComboBox *cb = (QComboBox*)ConnectionItem::createEditor();
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cb->listBox()->setMinimumWidth( cb->fontMetrics().width( "01234567890123456789012345678901234567890123456789" ) );
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connect( cb, SIGNAL( activated( const QString & ) ),
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this, SIGNAL( currentSlotChanged( const QString & ) ) );
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return cb;
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}
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void SlotItem::customSlotsChanged()
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{
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QString currSlot = currentText();
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updateSlotList();
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setCurrentItem( "<No Slot>" );
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setCurrentItem( currSlot );
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emit currentSlotChanged( currentText() );
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}
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