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() 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 { 102 ensureScrollBars(); // shouldn't be needed 103 104 maAllocation = rArea; 105 setPosSize( rArea.X, rArea.Y, rArea.Width, rArea.Height, PosSize::POSSIZE ); 106 107 mpHorScrollBar->SetRangeMin( 0 ); 108 mpHorScrollBar->SetRangeMax( SAL_MAX( maChildRequisition.Width - rArea.Width, 0 ) ); 109 mpVerScrollBar->SetRangeMin( 0 ); 110 mpVerScrollBar->SetRangeMax( SAL_MAX( maChildRequisition.Height - rArea.Height, 0 ) ); 111 112 int thumbX = mpHorScrollBar->GetThumbPos(); 113 int thumbY = mpVerScrollBar->GetThumbPos(); 114 int thumbWidth = mpVerScrollBar->GetSizePixel().getWidth(); 115 int thumbHeight = mpHorScrollBar->GetSizePixel().getHeight(); 116 117 mpHorScrollBar->SetPosSizePixel( rArea.X, rArea.Y + rArea.Height - thumbHeight - 2, 118 rArea.Width - thumbWidth, thumbHeight ); 119 mpVerScrollBar->SetPosSizePixel( rArea.X + rArea.Width - thumbWidth - 2, rArea.Y-2, 120 thumbWidth, rArea.Height - thumbHeight ); 121 122 awt::Rectangle childRect( rArea.X - thumbX, rArea.Y - thumbY, 123 SAL_MAX( maChildRequisition.Width, rArea.Width ) - thumbWidth - 4, 124 SAL_MAX( maChildRequisition.Height, rArea.Height ) - thumbHeight - 4 ); 125 if ( mxChild.is() ) 126 allocateChildAt( mxChild, childRect ); 127 } 128 129 #define MAX_CHILD_REQ 40 130 ::com::sun::star::awt::Size SAL_CALL VCLXScroller::getMinimumSize() 131 { 132 ensureScrollBars(); 133 assert( mpHorScrollBar && mpVerScrollBar ); 134 awt::Size childSize = Bin::getMinimumSize(); 135 int thumbWidth = mpVerScrollBar->GetSizePixel().getWidth(); 136 int thumbHeight = mpHorScrollBar->GetSizePixel().getHeight(); 137 maRequisition = awt::Size( 138 SAL_MIN( MAX_CHILD_REQ, childSize.Width ) + thumbWidth, 139 SAL_MIN( MAX_CHILD_REQ, childSize.Height ) + thumbHeight ); 140 return maRequisition; 141 } 142 143 void VCLXScroller::ProcessWindowEvent( const VclWindowEvent& _rVclWindowEvent ) 144 { 145 /* 146 ::vos::OClearableGuard aGuard( GetMutex() ); 147 148 switch ( _rVclWindowEvent.GetId() ) 149 { 150 default: 151 aGuard.clear(); 152 */ 153 VCLXWindow::ProcessWindowEvent( _rVclWindowEvent ); 154 /* 155 break; 156 } 157 */ 158 } 159 160 void SAL_CALL VCLXScroller::setProperty( const ::rtl::OUString& PropertyName, const Any &Value ) 161 { 162 ::vos::OGuard aGuard( GetMutex() ); 163 164 if ( GetWindow() ) 165 { 166 /* 167 sal_uInt16 nPropertyId = GetPropertyId( PropertyName ); 168 switch ( nPropertyId ) 169 { 170 default: 171 */ 172 VCLXWindow::setProperty( PropertyName, Value ); 173 /* 174 } 175 */ 176 } 177 } 178 179 Any SAL_CALL VCLXScroller::getProperty( const ::rtl::OUString& PropertyName ) 180 { 181 ::vos::OGuard aGuard( GetMutex() ); 182 183 Any aReturn; 184 if ( GetWindow() ) 185 { 186 /* 187 sal_uInt16 nPropertyId = GetPropertyId( PropertyName ); 188 switch ( nPropertyId ) 189 { 190 default: 191 */ 192 aReturn = VCLXWindow::getProperty( PropertyName ); 193 194 // } 195 } 196 return aReturn; 197 } 198 199 IMPL_LINK( VCLXScroller, ScrollHdl, ScrollBar *, pScrollBar ) 200 { 201 (void) pScrollBar; 202 forceRecalc(); 203 return 0; 204 } 205 206 } // namespace layoutimpl 207