1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef LAYOUT_CORE_FLOW_HXX 29 #define LAYOUT_CORE_FLOW_HXX 30 31 #include <layout/core/container.hxx> 32 33 #include <list> 34 35 namespace layoutimpl 36 { 37 38 class Flow : public Container 39 { 40 protected: 41 // Box properties (i.e. affect all children) 42 sal_Int32 mnSpacing; 43 sal_Bool mbHomogeneous; 44 45 public: 46 // Children properties 47 struct ChildData 48 { 49 css::awt::Size aRequisition; 50 css::uno::Reference< css::awt::XLayoutConstrains > xChild; 51 css::uno::Reference< css::beans::XPropertySet > xProps; 52 bool isVisible(); 53 }; 54 55 protected: 56 std::list< ChildData * > maChildren; 57 long mnEachWidth; // on homogeneous, the width of every child 58 59 public: 60 Flow(); 61 62 bool emptyVisible (); 63 64 // css::awt::XLayoutContainer 65 virtual void SAL_CALL addChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child ) 66 throw (css::uno::RuntimeException, css::awt::MaxChildrenException); 67 virtual void SAL_CALL removeChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child ) 68 throw (css::uno::RuntimeException); 69 70 virtual css::uno::Sequence< css::uno::Reference 71 < css::awt::XLayoutConstrains > > SAL_CALL getChildren() 72 throw (css::uno::RuntimeException); 73 74 virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL getChildProperties( 75 const css::uno::Reference< css::awt::XLayoutConstrains >& Child ) 76 throw (css::uno::RuntimeException); 77 78 virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea ) 79 throw (css::uno::RuntimeException); 80 81 virtual css::awt::Size SAL_CALL getMinimumSize() 82 throw(css::uno::RuntimeException); 83 virtual sal_Bool SAL_CALL hasHeightForWidth() 84 throw(css::uno::RuntimeException); 85 virtual sal_Int32 SAL_CALL getHeightForWidth( sal_Int32 nWidth ) 86 throw(css::uno::RuntimeException); 87 88 private: 89 // shared between getMinimumSize() and getHeightForWidth() 90 css::awt::Size calculateSize( long nMaxWidth ); 91 }; 92 93 } // namespace layoutimpl 94 95 #endif /* LAYOUT_FLOW_CORE_HXX */ 96