mainwindowactions.cpp

这个是Linux的qt源代码

	if ( w->inherits( "SourceEditor" ) ) {
	    SourceEditor *se = (SourceEditor*)w;
	    if ( se->formWindow() )
		fw = se->formWindow();
	    else if ( se->sourceFile() ) {
		se->sourceFile()->save();
		return TRUE;
	    }
	}
    }

    if ( !fw )
	fw = formWindow();
    if ( !fw || !fw->formFile()->save() )
	return FALSE;
    QApplication::restoreOverrideCursor();
    return TRUE;
}

bool MainWindow::fileSaveProject()
{
    currentProject->save();
    statusBar()->message( tr( "Project '%1' saved.").arg( currentProject->projectName() ), 3000 );
    return TRUE;
}

bool MainWindow::fileSaveAs()
{
    statusBar()->message( tr( "Enter a filename..." ) );

    QWidget *w = qworkspace->activeWindow();
    if ( !w )
	return TRUE;
    if ( w->inherits( "FormWindow" ) )
	return ( (FormWindow*)w )->formFile()->saveAs();
    else if ( w->inherits( "SourceEditor" ) )
	return ( (SourceEditor*)w )->saveAs();
    return FALSE;
}

void MainWindow::fileSaveAll()
{
    for ( QMap<QAction*, Project* >::Iterator it = projects.begin(); it != projects.end(); ++it )
	(*it)->save();
}

void MainWindow::fileCreateTemplate()
{
    CreateTemplate dia( this, 0, TRUE );

    int i = 0;
    for ( i = 0; i < WidgetDatabase::count(); ++i ) {
	if ( WidgetDatabase::isForm( i ) && WidgetDatabase::widgetGroup( i ) != "Temp") {
	    dia.listClass->insertItem( WidgetDatabase::className( i ) );
	}
    }
    for ( i = 0; i < WidgetDatabase::count(); ++i ) {
	if ( WidgetDatabase::isContainer( i ) && !WidgetDatabase::isForm(i) &&
	     WidgetDatabase::className( i ) != "QTabWidget" && WidgetDatabase::widgetGroup( i ) != "Temp" ) {
	    dia.listClass->insertItem( WidgetDatabase::className( i ) );
	}
    }

    QPtrList<MetaDataBase::CustomWidget> *lst = MetaDataBase::customWidgets();
    for ( MetaDataBase::CustomWidget *w = lst->first(); w; w = lst->next() ) {
	if ( w->isContainer )
	    dia.listClass->insertItem( w->className );
    }

    dia.editName->setText( tr( "NewTemplate" ) );
    connect( dia.buttonCreate, SIGNAL( clicked() ),
	     this, SLOT( createNewTemplate() ) );
    dia.exec();
}

void MainWindow::createNewTemplate()
{
    CreateTemplate *dia = (CreateTemplate*)sender()->parent();
    QString fn = dia->editName->text();
    QString cn = dia->listClass->currentText();
    if ( fn.isEmpty() || cn.isEmpty() ) {
	QMessageBox::information( this, tr( "Create Template" ), tr( "Couldn't create the template" ) );
	return;
    }

    QStringList templRoots;
    const char *qtdir = getenv( "QTDIR" );
    if(qtdir)
	templRoots << qtdir;
    templRoots << qInstallPathData();
    if(qtdir) //try the tools/designer directory last!
	templRoots << (QString(qtdir) + "/tools/designer");
    QFile f;
    for ( QStringList::Iterator it = templRoots.begin(); it != templRoots.end(); ++it ) {
	if ( QFile::exists( (*it) + "/templates/" )) {
	    QString tmpfn = (*it) + "/templates/" + fn + ".ui";
	    f.setName(tmpfn);
	    if(f.open(IO_WriteOnly))
		break;
	}
    }
    if ( !f.isOpen() ) {
	QMessageBox::information( this, tr( "Create Template" ), tr( "Couldn't create the template" ) );
	return;
    }
    QTextStream ts( &f );

    ts << "<!DOCTYPE UI><UI>" << endl;
    ts << "<widget>" << endl;
    ts << "<class>" << cn << "</class>" << endl;
    ts << "<property stdset=\"1\">" << endl;
    ts << "    <name>name</name>" << endl;
    ts << "    <cstring>" << cn << "Form</cstring>" << endl;
    ts << "</property>" << endl;
    ts << "<property stdset=\"1\">" << endl;
    ts << "    <name>geometry</name>" << endl;
    ts << "    <rect>" << endl;
    ts << "        <width>300</width>" << endl;
    ts << "        <height>400</height>" << endl;
    ts << "    </rect>" << endl;
    ts << "</property>" << endl;
    ts << "</widget>" << endl;
    ts << "</UI>" << endl;

    dia->editName->setText( tr( "NewTemplate" ) );

    f.close();
}

void MainWindow::editUndo()
{
    if ( qWorkspace()->activeWindow() &&
	 qWorkspace()->activeWindow()->inherits( "SourceEditor" ) ) {
	( (SourceEditor*)qWorkspace()->activeWindow() )->editUndo();
	return;
    }
    if ( formWindow() )
	formWindow()->undo();
}

void MainWindow::editRedo()
{
    if ( qWorkspace()->activeWindow() &&
	 qWorkspace()->activeWindow()->inherits( "SourceEditor" ) ) {
	( (SourceEditor*)qWorkspace()->activeWindow() )->editRedo();
	return;
    }
    if ( formWindow() )
	formWindow()->redo();
}

void MainWindow::editCut()
{
    if ( qWorkspace()->activeWindow() &&
	 qWorkspace()->activeWindow()->inherits( "SourceEditor" ) ) {
	( (SourceEditor*)qWorkspace()->activeWindow() )->editCut();
	return;
    }
    editCopy();
    editDelete();
}

void MainWindow::editCopy()
{
    if ( qWorkspace()->activeWindow() &&
	 qWorkspace()->activeWindow()->inherits( "SourceEditor" ) ) {
	( (SourceEditor*)qWorkspace()->activeWindow() )->editCopy();
	return;
    }
    if ( formWindow() )
	qApp->clipboard()->setText( formWindow()->copy() );
}

void MainWindow::editPaste()
{
    if ( qWorkspace()->activeWindow() &&
	 qWorkspace()->activeWindow()->inherits( "SourceEditor" ) ) {
	( (SourceEditor*)qWorkspace()->activeWindow() )->editPaste();
	return;
    }
    if ( !formWindow() )
	return;

    QWidget *w = formWindow()->mainContainer();
    QWidgetList l( formWindow()->selectedWidgets() );
    if ( l.count() == 1 ) {
	w = l.first();
	if ( WidgetFactory::layoutType( w ) != WidgetFactory::NoLayout ||
	     ( !WidgetDatabase::isContainer( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( w ) ) ) &&
	       w != formWindow()->mainContainer() ) )
	    w = formWindow()->mainContainer();
    }

    if ( w && WidgetFactory::layoutType( w ) == WidgetFactory::NoLayout ) {
	formWindow()->paste( qApp->clipboard()->text(), WidgetFactory::containerOfWidget( w ) );
	hierarchyView->widgetInserted( 0 );
	formWindow()->commandHistory()->setModified( TRUE );
    } else {
	QMessageBox::information( this, tr( "Paste error" ),
				  tr( "Can't paste widgets. Designer couldn't find a container\n"
				      "to paste into which does not contain a layout. Break the layout\n"
				      "of the container you want to paste into and select this container\n"
				      "and then paste again." ) );
    }
}

void MainWindow::editDelete()
{
    if ( formWindow() )
	formWindow()->deleteWidgets();
}

void MainWindow::editSelectAll()
{
    if ( qWorkspace()->activeWindow() &&
	 qWorkspace()->activeWindow()->inherits( "SourceEditor" ) ) {
	( (SourceEditor*)qWorkspace()->activeWindow() )->editSelectAll();
	return;
    }
    if ( formWindow() )
	formWindow()->selectAll();
}


void MainWindow::editLower()
{
    if ( formWindow() )
	formWindow()->lowerWidgets();
}

void MainWindow::editRaise()
{
    if ( formWindow() )
	formWindow()->raiseWidgets();
}

void MainWindow::editAdjustSize()
{
    if ( formWindow() )
	formWindow()->editAdjustSize();
}

void MainWindow::editLayoutHorizontal()
{
    if ( layoutChilds )
	editLayoutContainerHorizontal();
    else if ( layoutSelected && formWindow() )
	formWindow()->layoutHorizontal();
}

void MainWindow::editLayoutVertical()
{
    if ( layoutChilds )
	editLayoutContainerVertical();
    else if ( layoutSelected && formWindow() )
	formWindow()->layoutVertical();
}

void MainWindow::editLayoutHorizontalSplit()
{
    if ( layoutChilds )
	; // no way to do that
    else if ( layoutSelected && formWindow() )
	formWindow()->layoutHorizontalSplit();
}

void MainWindow::editLayoutVerticalSplit()
{
    if ( layoutChilds )
	; // no way to do that
    else if ( layoutSelected && formWindow() )
	formWindow()->layoutVerticalSplit();
}

void MainWindow::editLayoutGrid()
{
    if ( layoutChilds )
	editLayoutContainerGrid();
    else if ( layoutSelected && formWindow() )
	formWindow()->layoutGrid();
}

void MainWindow::editLayoutContainerVertical()
{
    if ( !formWindow() )
	return;
    QWidget *w = formWindow()->mainContainer();
    QWidgetList l( formWindow()->selectedWidgets() );
    if ( l.count() == 1 )
	w = l.first();
    if ( w )
	formWindow()->layoutVerticalContainer( w  );
}

void MainWindow::editLayoutContainerHorizontal()
{
    if ( !formWindow() )
	return;
    QWidget *w = formWindow()->mainContainer();
    QWidgetList l( formWindow()->selectedWidgets() );
    if ( l.count() == 1 )
	w = l.first();
    if ( w )
	formWindow()->layoutHorizontalContainer( w );
}

void MainWindow::editLayoutContainerGrid()
{
    if ( !formWindow() )
	return;
    QWidget *w = formWindow()->mainContainer();
    QWidgetList l( formWindow()->selectedWidgets() );
    if ( l.count() == 1 )
	w = l.first();
    if ( w )
	formWindow()->layoutGridContainer( w  );
}

void MainWindow::editBreakLayout()
{
    if ( !formWindow() || !breakLayout )
	return;
    QWidget *w = formWindow()->mainContainer();
    if ( formWindow()->currentWidget() )
	w = formWindow()->currentWidget();
    if ( WidgetFactory::layoutType( w ) != WidgetFactory::NoLayout ||
	 w->parentWidget() && WidgetFactory::layoutType( w->parentWidget() ) != WidgetFactory::NoLayout ) {
	formWindow()->breakLayout( w );
	return;
    } else {
	QWidgetList widgets = formWindow()->selectedWidgets();
	for ( w = widgets.first(); w; w = widgets.next() ) {
	    if ( WidgetFactory::layoutType( w ) != WidgetFactory::NoLayout ||
		 w->parentWidget() && WidgetFac