mainwindow.cpp

Trolltech公司发布的基于C++图形开发环境

	    } else if ( mo && qstrcmp( mo->className(), "Spacer" ) == 0 ) {
		if ( cp != "name" )
		    source = "qsizepolicy.html#SizeType";
		else
		    source = propertyDocumentation[ "QObject/name" ];
	    } else {
		while ( mo && !propertyDocumentation.contains( ( s = QString( mo->className() ) + "/" + cp ) ) )
		    mo = mo->superClass();
		if ( mo )
		    source = "p:" + propertyDocumentation[s];
	    }
	}

	QString classname =  WidgetFactory::classNameOf( propertyEditor->widget() );
	if ( source.isEmpty() || source == "designer-manual.html" ) {
	    if ( classname.lower() == "spacer" )
		source = "qspaceritem.html#details";
	    else if ( classname == "QLayoutWidget" )
		source = "layout.html";
	    else
		source = QString( WidgetFactory::classNameOf( propertyEditor->widget() ) ).lower() + ".html#details";
	}
    } else if ( propertyEditor->widget() ) {
	source = QString( WidgetFactory::classNameOf( propertyEditor->widget() ) ).lower() + ".html#details";
    }

    if ( !source.isEmpty() )
	assistant->showPage( documentationPath() + source );
}

void MainWindow::helpManual()
{
    assistant->showPage( documentationPath() + "/designer-manual.html" );
}

void MainWindow::helpAbout()
{
    AboutDialog dlg( this, 0, TRUE );
    if ( singleProjectMode() ) {
	dlg.aboutPixmap->setText( "" );
	dlg.aboutVersion->setText( "" );
	dlg.aboutCopyright->setText( "" );
	LanguageInterface *iface = MetaDataBase::languageInterface( eProject->language() );
	dlg.aboutLicense->setText( iface->aboutText() );
    }
    dlg.aboutVersion->setText(QString("Version ") + QString(QT_VERSION_STR));
    dlg.resize( dlg.width(), dlg.layout()->heightForWidth(dlg.width()) );
    dlg.exec();
}

void MainWindow::helpAboutQt()
{
    QMessageBox::aboutQt( this, "Qt Designer" );
}

#if defined(_WS_WIN_)
#include <qt_windows.h>
#include <qprocess.h>
#endif

void MainWindow::helpRegister()
{
#if defined(_WS_WIN_)
    HKEY key;
    HKEY subkey;
    long res;
    DWORD type;
    DWORD size = 255;
    QString command;
    QString sub( "htmlfile\\shell" );
#if defined(UNICODE)
    if ( QApplication::winVersion() & Qt::WV_NT_based ) {
	unsigned char data[256];
	res = RegOpenKeyExW( HKEY_CLASSES_ROOT, NULL, 0, KEY_READ, &key );
	res = RegOpenKeyExW( key, (TCHAR*)sub.ucs2(), 0, KEY_READ, &subkey );
	res = RegQueryValueExW( subkey, NULL, NULL, &type, data, &size );
	command = qt_winQString( data ) + "\\command";
	size = 255;
	res = RegOpenKeyExW( subkey, (TCHAR*)command.ucs2(), 0, KEY_READ, &subkey );
	res = RegQueryValueExW( subkey, NULL, NULL, &type, data, &size );
	command = qt_winQString( data );
    } else
#endif
    {
	unsigned char data[256];
	res = RegOpenKeyExA( HKEY_CLASSES_ROOT, NULL, 0, KEY_READ, &key );
	res = RegOpenKeyExA( key, sub.local8Bit(), 0, KEY_READ, &subkey );
	res = RegQueryValueExA( subkey, NULL, NULL, &type, data, &size );
	command = QString::fromLocal8Bit( (const char*) data ) + "\\command";
	size = 255;
	res = RegOpenKeyExA( subkey, command.local8Bit(), 0, KEY_READ, &subkey );
	res = RegQueryValueExA( subkey, NULL, NULL, &type, data, &size );
	command = QString::fromLocal8Bit( (const char*) data );
    }

    res = RegCloseKey( subkey );
    res = RegCloseKey( key );

    QProcess process( command + " www.trolltech.com/products/download/eval/evaluation.html" );
    if ( !process.start() )
	QMessageBox::information( this, "Register Qt", "Launching your web browser failed.\n"
	"To register Qt, point your browser to www.trolltech.com/products/download/eval/evaluation.html" );
#endif
}

void MainWindow::showProperties( QObject *o )
{
    if ( !o->isWidgetType() ) {
	propertyEditor->setWidget( o, lastActiveFormWindow );
	if ( lastActiveFormWindow )
	    hierarchyView->setFormWindow( lastActiveFormWindow, lastActiveFormWindow->mainContainer() );
	else
	    hierarchyView->setFormWindow( 0, 0 );
	return;
    }
    QWidget *w = (QWidget*)o;
    setupHierarchyView();
    FormWindow *fw = (FormWindow*)isAFormWindowChild( w );
    if ( fw ) {
	if ( fw->numSelectedWidgets() > 1 ) {
	    QWidgetList wl = fw->selectedWidgets();
	    if ( wl.first() != w ) {
		wl.removeRef( w );
		wl.insert( 0, w );
	    }
	    propertyEditor->setWidget( new PropertyObject( wl ), fw );
	} else {
	    propertyEditor->setWidget( w, fw );
	}
	hierarchyView->setFormWindow( fw, w );
    } else {
	propertyEditor->setWidget( 0, 0 );
	hierarchyView->setFormWindow( 0, 0 );
    }

    if ( currentTool() == POINTER_TOOL && fw &&
	 ( !qworkspace->activeWindow() || !::qt_cast<SourceEditor*>(qworkspace->activeWindow()) ) )
	fw->setFocus();
}

void MainWindow::resetTool()
{
    actionPointerTool->setOn( TRUE );
}

void MainWindow::updateProperties( QObject * )
{
    if ( propertyEditor )
	propertyEditor->refetchData();
}

bool MainWindow::eventFilter( QObject *o, QEvent *e )
{
    if ( ::qt_cast<MenuBarEditor*>(o) || ::qt_cast<PopupMenuEditor*>(o) ||
	 ( o &&
	   ( ::qt_cast<MenuBarEditor*>(o->parent()) ||
	     ::qt_cast<PopupMenuEditor*>(o->parent()) ) ) ) {

	if ( e->type() == QEvent::Accel && ::qt_cast<PopupMenuEditor*>(o) ) {
	    return TRUE; // consume accel events
 	} else if ( e->type() == QEvent::MouseButtonPress && ::qt_cast<MenuBarEditor*>(o) ) {
	    QPoint pos = ((QMouseEvent*)e)->pos();
	    MenuBarEditor *m = ::qt_cast<MenuBarEditor*>(o);
	    showProperties( o );
	    if ( m->findItem( pos ) >= m->count() )
		m->setFocus();
	} else if ( e->type() == QEvent::MouseButtonPress && ::qt_cast<PopupMenuEditor*>(o) ) {
	    PopupMenuEditor *m = ::qt_cast<PopupMenuEditor*>(o);
	    PopupMenuEditorItem *i = m->at( ((QMouseEvent*)e)->pos() );
	    if ( m->find( i->action() ) != -1 && !i->isSeparator() )
		showProperties( i->action() );
	}
	return QMainWindow::eventFilter( o, e );
    }

    if ( !o || !e || !o->isWidgetType() )
	return QMainWindow::eventFilter( o, e );

    QWidget *w = 0;
    bool passiveInteractor;
    switch ( e->type() ) {
    case QEvent::AccelOverride:
	if ( ( (QKeyEvent*)e )->key() == Key_F1 &&
	     ( ( (QKeyEvent*)e )->state() & ShiftButton ) != ShiftButton ) {
	    w = (QWidget*)o;
	    while ( w ) {
		if ( ::qt_cast<PropertyList*>(w) )
		    break;
		w = w->parentWidget( TRUE );
	    }
	    if ( w ) {
		propertyEditor->propertyList()->showCurrentWhatsThis();
		( (QKeyEvent*)e )->accept();
		return TRUE;
	    }
	}
	break;
    case QEvent::Accel:
	if ( ( ( (QKeyEvent*)e )->key() == Key_A ||
	       ( (QKeyEvent*)e )->key() == Key_E ) &&
	     ( (QKeyEvent*)e )->state() & ControlButton ) {
	    if ( qWorkspace()->activeWindow() &&
		 ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
		( (QKeyEvent*)e )->ignore();
		return TRUE;
	    }
	}
	break;
    case QEvent::ContextMenu:
    case QEvent::MouseButtonPress:
	if ( o && currentTool() == POINTER_TOOL &&
	     ( ::qt_cast<MenuBarEditor*>(o) ||
	       ::qt_cast<PopupMenuEditor*>(o) ||
	       ::qt_cast<QDesignerToolBar*>(o) ||
	       ( ::qt_cast<QComboBox*>(o) ||
		 ::qt_cast<QToolButton*>(o) ||
		 ::qt_cast<QDesignerToolBarSeparator*>(o) ) &&
	       o->parent()
	       && ( ::qt_cast<QDesignerToolBar*>(o->parent())
		   || ::qt_cast<QDesignerWidgetStack*>(o->parent())) ) ) {
	    QWidget *w = (QWidget*)o;
	    if ( ::qt_cast<QToolButton*>(w) ||
		 ::qt_cast<QComboBox*>(w) ||
		 ::qt_cast<PopupMenuEditor*>(w) ||
		 ::qt_cast<QDesignerToolBarSeparator*>(w) )
		w = w->parentWidget();
	    QWidget *pw = w->parentWidget();
	    while ( pw ) {
		if ( ::qt_cast<FormWindow*>(pw) ) {
		    ( (FormWindow*)pw )->emitShowProperties( w );
		    if ( !::qt_cast<QDesignerToolBar*>(o) )
			return ( !::qt_cast<QToolButton*>(o) &&
				 !::qt_cast<MenuBarEditor*>(o) &&
				 !::qt_cast<QComboBox*>(o) &&
				 !::qt_cast<QDesignerToolBarSeparator*>(o) );
		}
		pw = pw->parentWidget();
	    }
	}
	if ( o && ( ::qt_cast<QDesignerToolBar*>(o) || o->inherits("QDockWindowHandle") )
	     && e->type() == QEvent::ContextMenu )
	    break;
	if ( isAToolBarChild( o ) && currentTool() != CONNECT_TOOL && currentTool() != BUDDY_TOOL )
	    break;
	if ( ::qt_cast<QSizeGrip*>(o) )
	    break;
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) )
	    break;
	if ( !w->hasFocus() )
	    w->setFocus();
	passiveInteractor = WidgetFactory::isPassiveInteractor( o );
	if ( !passiveInteractor || currentTool() != ORDER_TOOL ) {
	    if( e->type() == QEvent::ContextMenu ) {
		( (FormWindow*)w )->handleContextMenu( (QContextMenuEvent*)e,
						       ( (FormWindow*)w )->designerWidget( o ) );
		return TRUE;
	    } else {
		( (FormWindow*)w )->handleMousePress( (QMouseEvent*)e,
						      ( (FormWindow*)w )->designerWidget( o ) );
	    }
	}
	lastPressWidget = (QWidget*)o;
	if ( passiveInteractor )
	    QTimer::singleShot( 0, formWindow(), SLOT( visibilityChanged() ) );
	if ( currentTool() == CONNECT_TOOL || currentTool() == BUDDY_TOOL )
	    return TRUE;
	return !passiveInteractor;
    case QEvent::MouseButtonRelease:
	lastPressWidget = 0;
	if ( isAToolBarChild( o )  && currentTool() != CONNECT_TOOL && currentTool() != BUDDY_TOOL )
	    break;
	if ( ::qt_cast<QSizeGrip*>(o) )
	    break;
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) )
	    break;
	passiveInteractor = WidgetFactory::isPassiveInteractor( o );
	if ( !passiveInteractor )
	    ( (FormWindow*)w )->handleMouseRelease( (QMouseEvent*)e,
						    ( (FormWindow*)w )->designerWidget( o ) );
	if ( passiveInteractor ) {
	    QTimer::singleShot( 0, this, SLOT( selectionChanged() ) );
	    QTimer::singleShot( 0, formWindow(), SLOT( visibilityChanged() ) );
	}
	return !passiveInteractor;
    case QEvent::MouseMove:
	if ( isAToolBarChild( o ) && currentTool() != CONNECT_TOOL && currentTool() != BUDDY_TOOL )
	    break;
	w = isAFormWindowChild( o );
	if ( lastPressWidget != (QWidget*)o && w &&
	     !::qt_cast<SizeHandle*>(o) && !::qt_cast<OrderIndicator*>(o) &&
	     !::qt_cast<PopupMenuEditor*>(o) && !::qt_cast<QMenuBar*>(o) &&
	     !::qt_cast<QSizeGrip*>(o) )
	    return TRUE;
	if ( o && ::qt_cast<QSizeGrip*>(o) )
	    break;
	if ( lastPressWidget != (QWidget*)o ||
	     ( !w || ::qt_cast<SizeHandle*>(o) ) ||
	       ::qt_cast<OrderIndicator*>(o) )
	    break;
	passiveInteractor = WidgetFactory::isPassiveInteractor( o );
	if ( !passiveInteractor )
	    ( (FormWindow*)w )->handleMouseMove( (QMouseEvent*)e,
						 ( (FormWindow*)w )->designerWidget( o ) );
	return !passiveInteractor;
    case QEvent::KeyPress:
	if ( ( (QKeyEvent*)e )->key() == Key_Escape && currentTool() != POINTER_TOOL ) {
	    resetTool();
	    return FALSE;
	}
	if ( ( (QKeyEvent*)e )->key() == Key_Escape && incrementalSearch->hasFocus() ) {
	    if ( ::qt_cast<SourceEditor*>(qWorkspace()->activeWindow()) ) {
		qWorkspace()->activeWindow()->setFocus();
		return TRUE;
	    }
	}
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) )
	    break;
	( (FormWindow*)w )->handleKeyPress( (QKeyEvent*)e, ( (FormWindow*)w )->designerWidget( o ) );
	if ( ((QKeyEvent*)e)->isAccepted() )
	    return TRUE;
	break;
    case QEvent::MouseButtonDblClick:
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) ) {
	    if ( ::qt_cast<QToolButton*>(o) && ((QToolButton*)o)->isOn() &&
		 o->parent() && ::qt_cast<QToolBar*>(o->parent()) && formWindow() )
		formWindow()->setToolFixed();
	    break;
	}
	if ( currentTool() == ORDER_TOOL ) {
	    ( (FormWindow*)w )->handleMouseDblClick( (QMouseEvent*)e,
						     ( (FormWindow*)w )->designerWidget( o ) );
	    return TRUE;
	}
	if ( !WidgetFactory::isPassiveInteractor( o ) && ( (FormWindow*)w )->formFile() )
	    return openEditor( ( (FormWindow*)w )->designerWidget( o ), (FormWindow*)w );
	return TRUE;
    case QEvent::KeyRelease:
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) )
	    break;
	( (FormWindow*)w )->handleKeyRelease( (QKeyEvent*)e, ( (FormWindow*)w )->designerWidget( o ) );
	if ( ((QKeyEvent*)e)->isAccepted() )
	    return TRUE;
	break;
    case QEvent::Hide:
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) )
	    break;
	if ( ( (FormWindow*)w )->isWidgetSelected( (QWidget*)o ) )
	    ( (FormWindow*)w )->selectWidget( (QWidget*)o, FALSE );
	break;
    case QEvent::Enter:
    case QEvent::Leave:
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) ||
	     ::qt_cast<MenuBarEditor*>(o) )
	    break;
	return TRUE;
    case QEvent::Resize:
    case QEvent::Move:
	if ( !( w = isAFormWindowChild( o ) ) ||
	     ::qt_cast<SizeHandle*>(o) ||
	     ::qt_cast<OrderIndicator*>(o) )
	    break;
	if ( WidgetFactory::layoutType( (QWidget*)o->parent() ) != WidgetFactory::NoLayout ) {
	    ( (FormWindow*)w )->updateSelection( (QWidget*)o );
	    if ( e->type() != QEvent::Resize )
		( (FormWindow*)w )->updateChildSelections( (QWidget*)o );
	}
	break;
    case QEvent::Close:
	if ( o->isWidgetType() && (QWidget*)o == (QWidget*)previewedForm ) {
	    if ( lastActiveFormWindow && lastActiveFormWindow->project() ) {
		QStringList lst =