--- /dev/null
+// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// File: QtxGridBox.cxx
+// Author: Sergey TELKOV
+
+#include "QtxGridBox.h"
+
+#include <QLayout>
+#include <QChildEvent>
+
+/*!
+ \ class QtxGridBox::Space
+ Space in the grid box
+*/
+class QtxGridBox::Space : public QWidget
+{
+public:
+ Space( const int, QtxGridBox* );
+ virtual ~Space();
+
+ virtual QSize sizeHint() const;
+ virtual QSize minimumSizeHint() const;
+
+private:
+ int mySize;
+ QtxGridBox* myGrid;
+};
+
+QtxGridBox::Space::Space( const int sz, QtxGridBox* gb )
+: QWidget( gb ),
+mySize( sz ),
+myGrid( gb )
+{
+ setSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
+}
+
+QtxGridBox::Space::~Space()
+{
+}
+
+QSize QtxGridBox::Space::sizeHint() const
+{
+ return minimumSizeHint();
+}
+
+QSize QtxGridBox::Space::minimumSizeHint() const
+{
+ QSize sz( 0, 0 );
+ if ( myGrid && myGrid->orientation() == Qt::Horizontal )
+ sz.setWidth( mySize );
+ else
+ sz.setHeight( mySize );
+ return sz;
+}
+
+/*!
+ \ class QtxGridBox
+*/
+QtxGridBox::QtxGridBox( QWidget* parent )
+: QWidget( parent ),
+myCols( 1 ),
+myOrient( Qt::Vertical ),
+mySkip( false ),
+myCol( 0 ),
+myRow( 0 )
+{
+ myLayout = new QGridLayout( this );
+ myLayout->setMargin( 0 );
+}
+
+QtxGridBox::QtxGridBox( const int cols, Qt::Orientation o, QWidget* parent )
+: QWidget( parent ),
+myCols( cols ),
+myOrient( o ),
+myLayout( 0 ),
+mySkip( false ),
+myCol( 0 ),
+myRow( 0 )
+{
+ myLayout = new QGridLayout( this );
+ myLayout->setMargin( 0 );
+}
+
+QtxGridBox::~QtxGridBox()
+{
+}
+
+int QtxGridBox::columns() const
+{
+ return myCols;
+}
+
+Qt::Orientation QtxGridBox::orientation() const
+{
+ return myOrient;
+}
+
+void QtxGridBox::setColumns( const int cols )
+{
+ setLayout( cols, orientation() );
+}
+
+void QtxGridBox::setOrientation( Qt::Orientation o )
+{
+ setLayout( columns(), o );
+}
+
+void QtxGridBox::setLayout( const int cols, Qt::Orientation o )
+{
+ if ( myCols == cols && myOrient == o )
+ return;
+
+ myCols = cols;
+ myOrient = o;
+
+ arrangeWidgets();
+}
+
+bool QtxGridBox::skipInvisible() const
+{
+ return mySkip;
+}
+
+void QtxGridBox::setSkipInvisible( const bool on )
+{
+ if ( mySkip == on )
+ return;
+
+ mySkip = on;
+ arrangeWidgets();
+}
+
+void QtxGridBox::addSpace( const int sp )
+{
+ new Space( sp, this );
+}
+
+bool QtxGridBox::eventFilter( QObject* o, QEvent* e )
+{
+ if ( skipInvisible() && ( e->type() == QEvent::Show || e->type() == QEvent::ShowToParent ||
+ e->type() == QEvent::Hide || e->type() == QEvent::HideToParent ) )
+ arrangeWidgets();
+
+ return QWidget::eventFilter( o, e );
+}
+
+void QtxGridBox::childEvent( QChildEvent* e )
+{
+ if ( e->child()->isWidgetType() )
+ {
+ QWidget* wid = (QWidget*)e->child();
+ if ( e->type() == QEvent::ChildAdded )
+ {
+ placeWidget( wid );
+ wid->installEventFilter( this );
+ }
+ else if ( e->type() == QEvent::ChildRemoved )
+ wid->removeEventFilter( this );
+ }
+ QWidget::childEvent( e );
+}
+
+void QtxGridBox::skip()
+{
+ if ( orientation() == Qt::Horizontal )
+ {
+ myCol++;
+ if ( myCol >= columns() )
+ {
+ myRow++;
+ myCol = 0;
+ }
+ }
+ else
+ {
+ myRow++;
+ if ( myRow >= columns() )
+ {
+ myCol++;
+ myRow = 0;
+ }
+ }
+}
+
+void QtxGridBox::arrangeWidgets()
+{
+ myRow = myCol = 0;
+ int m = myLayout ? myLayout->margin() : 0;
+ delete myLayout;
+ myLayout = new QGridLayout( this );
+ myLayout->setMargin( 0 );
+
+ QObjectList list = children();
+ for ( QObjectList::iterator it = list.begin(); it != list.end(); ++it )
+ {
+ if ( !(*it)->isWidgetType() )
+ continue;
+
+ QWidget* wid = (QWidget*)(*it);
+ if ( !skipInvisible() || wid->isVisibleTo( this ) )
+ placeWidget( wid );
+ }
+ updateGeometry();
+}
+
+void QtxGridBox::placeWidget( QWidget* wid )
+{
+ myLayout->addWidget( wid, myRow, myCol );
+
+ skip();
+}
--- /dev/null
+// Copyright (C) 2005 OPEN CASCADE, CEA/DEN, EDF R&D, PRINCIPIA R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// File: QtxGridBox.h
+// Author: Sergey TELKOV
+
+#ifndef QTXGRIDBOX_H
+#define QTXGRIDBOX_H
+
+#include "Qtx.h"
+
+#include <QWidget>
+
+class QGridLayout;
+
+class QTX_EXPORT QtxGridBox : public QWidget
+{
+ Q_OBJECT
+
+ class Space;
+
+public:
+ QtxGridBox( QWidget* = 0 );
+ QtxGridBox( const int, Qt::Orientation, QWidget* = 0 );
+ virtual ~QtxGridBox();
+
+ int columns() const;
+ Qt::Orientation orientation() const;
+
+ void setColumns( const int );
+ void setOrientation( Qt::Orientation );
+
+ void setLayout( const int, Qt::Orientation );
+
+ bool skipInvisible() const;
+ void setSkipInvisible( const bool );
+
+ void addSpace( const int );
+
+ virtual bool eventFilter( QObject*, QEvent* );
+
+protected:
+ void childEvent( QChildEvent* );
+
+private:
+ void skip();
+ void arrangeWidgets();
+ void placeWidget( QWidget* );
+
+private:
+ int myCols;
+ bool mySkip;
+ Qt::Orientation myOrient;
+ QGridLayout* myLayout;
+
+ int myCol, myRow;
+};
+
+#endif
