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 #include "vclxscroller.hxx" 25 26 #include <assert.h> 27 #include <com/sun/star/awt/PosSize.hpp> 28 #include <com/sun/star/awt/ScrollBarOrientation.hpp> 29 #include <sal/macros.h> 30 #include <toolkit/helper/property.hxx> 31 #include <tools/debug.hxx> 32 #include <vcl/scrbar.hxx> 33 34 #include "forward.hxx" 35 36 namespace layoutimpl 37 { 38 39 using namespace ::com::sun::star::uno; 40 using namespace ::com::sun::star::awt; 41 using namespace ::com::sun::star::lang; 42 using namespace ::com::sun::star::beans; 43 using namespace ::com::sun::star; 44 45 DBG_NAME( VCLXScroller ) 46 47 VCLXScroller::VCLXScroller() 48 : VCLXWindow() 49 , Bin() 50 { 51 DBG_CTOR( VCLXScroller, NULL ); 52 mpHorScrollBar = mpVerScrollBar = 0; 53 } 54 55 VCLXScroller::~VCLXScroller() 56 { 57 DBG_DTOR( VCLXScroller, NULL ); 58 } 59 60 IMPLEMENT_2_FORWARD_XINTERFACE1( VCLXScroller, VCLXWindow, Container ); 61 62 IMPLEMENT_FORWARD_XTYPEPROVIDER1( VCLXScroller, VCLXWindow ); 63 64 void SAL_CALL VCLXScroller::dispose() throw(RuntimeException) 65 { 66 { 67 ::vos::OGuard aGuard( GetMutex() ); 68 69 EventObject aDisposeEvent; 70 aDisposeEvent.Source = W3K_EXPLICIT_CAST (*this); 71 // maTabListeners.disposeAndClear( aDisposeEvent ); 72 } 73 74 VCLXWindow::dispose(); 75 } 76 77 void VCLXScroller::ensureScrollBars() 78 { 79 80 if ( !mpVerScrollBar ) 81 { 82 mpVerScrollBar = new ScrollBar( GetWindow() , WB_VERT ); 83 mpVerScrollBar->SetLineSize( 4 ); 84 mpVerScrollBar->SetPageSize( 15 ); 85 mpVerScrollBar->Show(); 86 mpVerScrollBar->SetScrollHdl( LINK( this, VCLXScroller, ScrollHdl ) ); 87 } 88 if ( !mpHorScrollBar ) 89 { 90 mpHorScrollBar = new ScrollBar( GetWindow() , WB_HORZ ); 91 mpHorScrollBar->SetLineSize( 4 ); 92 mpHorScrollBar->SetPageSize( 15 ); 93 mpHorScrollBar->Show(); 94 mpHorScrollBar->SetScrollHdl( LINK( this, VCLXScroller, ScrollHdl ) ); 95 } // mpContent = new FixedImage( this, ImplGetWinBits( WindowAttributes, 0 ) ); 96 97 } 98 99 void SAL_CALL VCLXScroller::allocateArea( 100 const ::com::sun::star::awt::Rectangle &rArea ) 101 throw (::com::sun::star::uno::RuntimeException) 102 { 103 ensureScrollBars(); // shouldn't be needed 104 105 maAllocation = rArea; 106 setPosSize( rArea.X, rArea.Y, rArea.Width, rArea.Height, PosSize::POSSIZE ); 107 108 mpHorScrollBar->SetRangeMin( 0 ); 109 mpHorScrollBar->SetRangeMax( SAL_MAX( maChildRequisition.Width - rArea.Width, 0 ) ); 110 mpVerScrollBar->SetRangeMin( 0 ); 111 mpVerScrollBar->SetRangeMax( SAL_MAX( maChildRequisition.Height - rArea.Height, 0 ) ); 112 113 int thumbX = mpHorScrollBar->GetThumbPos(); 114 int thumbY = mpVerScrollBar->GetThumbPos(); 115 int thumbWidth = mpVerScrollBar->GetSizePixel().getWidth(); 116 int thumbHeight = mpHorScrollBar->GetSizePixel().getHeight(); 117 118 mpHorScrollBar->SetPosSizePixel( rArea.X, rArea.Y + rArea.Height - thumbHeight - 2, 119 rArea.Width - thumbWidth, thumbHeight ); 120 mpVerScrollBar->SetPosSizePixel( rArea.X + rArea.Width - thumbWidth - 2, rArea.Y-2, 121 thumbWidth, rArea.Height - thumbHeight ); 122 123 awt::Rectangle childRect( rArea.X - thumbX, rArea.Y - thumbY, 124 SAL_MAX( maChildRequisition.Width, rArea.Width ) - thumbWidth - 4, 125 SAL_MAX( maChildRequisition.Height, rArea.Height ) - thumbHeight - 4 ); 126 if ( mxChild.is() ) 127 allocateChildAt( mxChild, childRect ); 128 } 129 130 #define MAX_CHILD_REQ 40 131 ::com::sun::star::awt::Size SAL_CALL VCLXScroller::getMinimumSize() 132 throw(::com::sun::star::uno::RuntimeException) 133 { 134 ensureScrollBars(); 135 assert( mpHorScrollBar && mpVerScrollBar ); 136 awt::Size childSize = Bin::getMinimumSize(); 137 int thumbWidth = mpVerScrollBar->GetSizePixel().getWidth(); 138 int thumbHeight = mpHorScrollBar->GetSizePixel().getHeight(); 139 maRequisition = awt::Size( 140 SAL_MIN( MAX_CHILD_REQ, childSize.Width ) + thumbWidth, 141 SAL_MIN( MAX_CHILD_REQ, childSize.Height ) + thumbHeight ); 142 return maRequisition; 143 } 144 145 void VCLXScroller::ProcessWindowEvent( const VclWindowEvent& _rVclWindowEvent ) 146 { 147 /* 148 ::vos::OClearableGuard aGuard( GetMutex() ); 149 150 switch ( _rVclWindowEvent.GetId() ) 151 { 152 default: 153 aGuard.clear(); 154 */ 155 VCLXWindow::ProcessWindowEvent( _rVclWindowEvent ); 156 /* 157 break; 158 } 159 */ 160 } 161 162 void SAL_CALL VCLXScroller::setProperty( const ::rtl::OUString& PropertyName, const Any &Value ) throw(RuntimeException) 163 { 164 ::vos::OGuard aGuard( GetMutex() ); 165 166 if ( GetWindow() ) 167 { 168 /* 169 sal_uInt16 nPropertyId = GetPropertyId( PropertyName ); 170 switch ( nPropertyId ) 171 { 172 default: 173 */ 174 VCLXWindow::setProperty( PropertyName, Value ); 175 /* 176 } 177 */ 178 } 179 } 180 181 Any SAL_CALL VCLXScroller::getProperty( const ::rtl::OUString& PropertyName ) throw(RuntimeException) 182 { 183 ::vos::OGuard aGuard( GetMutex() ); 184 185 Any aReturn; 186 if ( GetWindow() ) 187 { 188 /* 189 sal_uInt16 nPropertyId = GetPropertyId( PropertyName ); 190 switch ( nPropertyId ) 191 { 192 default: 193 */ 194 aReturn = VCLXWindow::getProperty( PropertyName ); 195 196 // } 197 } 198 return aReturn; 199 } 200 201 IMPL_LINK( VCLXScroller, ScrollHdl, ScrollBar *, pScrollBar ) 202 { 203 (void) pScrollBar; 204 forceRecalc(); 205 return 0; 206 } 207 208 } // namespace layoutimpl 209