1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 /* A few simple binary containers */ 25 26 #ifndef LAYOUT_CORE_BIN_HXX 27 #define LAYOUT_CORE_BIN_HXX 28 29 #include <layout/core/container.hxx> 30 31 namespace layoutimpl 32 { 33 34 class Bin : public Container 35 { 36 protected: 37 // Child 38 css::awt::Size maChildRequisition; 39 css::uno::Reference< css::awt::XLayoutConstrains > mxChild; 40 41 public: 42 Bin(); ~Bin()43 virtual ~Bin() {} 44 45 // css::awt::XLayoutContainer 46 virtual void SAL_CALL addChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child ); 47 virtual void SAL_CALL removeChild( const css::uno::Reference< css::awt::XLayoutConstrains >& Child ); 48 49 virtual css::uno::Sequence< css::uno::Reference 50 < css::awt::XLayoutConstrains > > SAL_CALL getChildren(); 51 52 virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea ); 53 54 virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL getChildProperties( 55 const css::uno::Reference< css::awt::XLayoutConstrains >& Child ); 56 57 virtual sal_Bool SAL_CALL hasHeightForWidth(); 58 virtual sal_Int32 SAL_CALL getHeightForWidth( sal_Int32 nWidth ); 59 60 // css::awt::XLayoutConstrains 61 virtual css::awt::Size SAL_CALL getMinimumSize(); 62 }; 63 64 // Align gives control over child position on the allocated space. 65 class Align : public Bin 66 { 67 friend class AlignChildProps; 68 protected: 69 // properties 70 float fHorAlign, fVerAlign; 71 float fHorFill, fVerFill; 72 73 public: 74 Align(); 75 76 bool emptyVisible (); 77 78 // css::awt::XLayoutContainer 79 virtual void SAL_CALL allocateArea( const css::awt::Rectangle &rArea ); 80 }; 81 82 // Makes child request its or a specified size, whatever is larger. 83 class MinSize : public Bin 84 { 85 protected: 86 // properties 87 long mnMinWidth, mnMinHeight; 88 89 public: 90 MinSize(); 91 92 bool emptyVisible (); 93 // css::awt::XLayoutContainer 94 virtual css::awt::Size SAL_CALL getMinimumSize(); 95 }; 96 97 } // namespace layoutimpl 98 99 #endif /* LAYOUT_CORE_BIN_HXX */ 100