906 lines
27 KiB
C++
906 lines
27 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/event.hxx>
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#include <vcl/decoview.hxx>
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#include <slider.hxx>
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#include <vcl/settings.hxx>
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#include "thumbpos.hxx"
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#define SLIDER_STATE_CHANNEL1_DOWN (sal_uInt16(0x0001))
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#define SLIDER_STATE_CHANNEL2_DOWN (sal_uInt16(0x0002))
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#define SLIDER_STATE_THUMB_DOWN (sal_uInt16(0x0004))
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#define SLIDER_THUMB_SIZE 9
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#define SLIDER_CHANNEL_SIZE 4
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#define SLIDER_CHANNEL_HALFSIZE 2
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#define SLIDER_HEIGHT 16
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#define SLIDER_VIEW_STYLE (WB_3DLOOK | WB_HORZ | WB_VERT)
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void Slider::ImplInit( vcl::Window* pParent, WinBits nStyle )
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{
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mnThumbPixOffset = 0;
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mnThumbPixRange = 0;
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mnThumbPixPos = 0; // between mnThumbPixOffset and mnThumbPixOffset+mnThumbPixRange
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mnThumbSize = SLIDER_THUMB_SIZE;
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mnChannelPixRange = 0;
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mnChannelPixTop = 0;
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mnChannelPixBottom = 0;
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mnMinRange = 0;
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mnMaxRange = 100;
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mnThumbPos = 0;
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mnLineSize = 1;
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mnPageSize = 1;
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mnStateFlags = 0;
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meScrollType = ScrollType::DontKnow;
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mbCalcSize = true;
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Control::ImplInit( pParent, nStyle, nullptr );
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ImplInitSettings();
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SetSizePixel( CalcWindowSizePixel() );
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}
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Slider::Slider( vcl::Window* pParent, WinBits nStyle ) :
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Control(WindowType::SLIDER)
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{
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ImplInit( pParent, nStyle );
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}
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Slider::~Slider()
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{
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disposeOnce();
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}
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void Slider::ImplInitSettings()
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{
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vcl::Window* pParent = GetParent();
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if ( pParent->IsChildTransparentModeEnabled() && !IsControlBackground() )
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{
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EnableChildTransparentMode();
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SetParentClipMode( ParentClipMode::NoClip );
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SetPaintTransparent( true );
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SetBackground();
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}
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else
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{
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EnableChildTransparentMode( false );
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SetParentClipMode();
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SetPaintTransparent( false );
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if ( IsControlBackground() )
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SetBackground( GetControlBackground() );
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else
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SetBackground( pParent->GetBackground() );
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}
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}
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void Slider::ImplUpdateRects( bool bUpdate )
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{
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tools::Rectangle aOldThumbRect = maThumbRect;
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bool bInvalidateAll = false;
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if ( mnThumbPixRange )
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{
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if ( GetStyle() & WB_HORZ )
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{
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maThumbRect.SetLeft(mnThumbPixPos - (mnThumbSize / 2));
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maThumbRect.SetRight(maThumbRect.Left() + mnThumbSize - 1);
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if ( 0 < maThumbRect.Left() )
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{
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maChannel1Rect.SetLeft( 0 );
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maChannel1Rect.SetRight( maThumbRect.Left()-1 );
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maChannel1Rect.SetTop( mnChannelPixTop );
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maChannel1Rect.SetBottom( mnChannelPixBottom );
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}
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else
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maChannel1Rect.SetEmpty();
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if ( mnChannelPixRange-1 > maThumbRect.Right() )
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{
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maChannel2Rect.SetLeft( maThumbRect.Right()+1 );
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maChannel2Rect.SetRight( mnChannelPixRange-1 );
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maChannel2Rect.SetTop( mnChannelPixTop );
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maChannel2Rect.SetBottom( mnChannelPixBottom );
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}
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else
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maChannel2Rect.SetEmpty();
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const tools::Rectangle aControlRegion(tools::Rectangle(Point(), Size(mnThumbSize, 10)));
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tools::Rectangle aThumbBounds, aThumbContent;
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if ( GetNativeControlRegion( ControlType::Slider, ControlPart::ThumbHorz,
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aControlRegion, ControlState::NONE, ImplControlValue(),
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aThumbBounds, aThumbContent ) )
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{
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maThumbRect.SetLeft( mnThumbPixPos - aThumbBounds.GetWidth()/2 );
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maThumbRect.SetRight( maThumbRect.Left() + aThumbBounds.GetWidth() - 1 );
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bInvalidateAll = true;
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}
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}
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else
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{
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maThumbRect.SetTop( mnThumbPixPos - (mnThumbSize / 2));
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maThumbRect.SetBottom( maThumbRect.Top() + mnThumbSize - 1);
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if ( 0 < maThumbRect.Top() )
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{
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maChannel1Rect.SetTop( 0 );
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maChannel1Rect.SetBottom( maThumbRect.Top()-1 );
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maChannel1Rect.SetLeft( mnChannelPixTop );
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maChannel1Rect.SetRight( mnChannelPixBottom );
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}
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else
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maChannel1Rect.SetEmpty();
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if ( mnChannelPixRange-1 > maThumbRect.Bottom() )
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{
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maChannel2Rect.SetTop( maThumbRect.Bottom()+1 );
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maChannel2Rect.SetBottom( mnChannelPixRange-1 );
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maChannel2Rect.SetLeft( mnChannelPixTop );
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maChannel2Rect.SetRight( mnChannelPixBottom );
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}
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else
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maChannel2Rect.SetEmpty();
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const tools::Rectangle aControlRegion(tools::Rectangle(Point(), Size(10, mnThumbSize)));
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tools::Rectangle aThumbBounds, aThumbContent;
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if ( GetNativeControlRegion( ControlType::Slider, ControlPart::ThumbVert,
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aControlRegion, ControlState::NONE, ImplControlValue(),
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aThumbBounds, aThumbContent ) )
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{
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maThumbRect.SetTop( mnThumbPixPos - aThumbBounds.GetHeight()/2 );
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maThumbRect.SetBottom( maThumbRect.Top() + aThumbBounds.GetHeight() - 1 );
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bInvalidateAll = true;
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}
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}
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}
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else
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{
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maChannel1Rect.SetEmpty();
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maChannel2Rect.SetEmpty();
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maThumbRect.SetEmpty();
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}
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if ( !bUpdate )
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return;
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if ( aOldThumbRect == maThumbRect )
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return;
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if( bInvalidateAll )
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Invalidate(InvalidateFlags::NoChildren | InvalidateFlags::NoErase);
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else
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{
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vcl::Region aInvalidRegion( aOldThumbRect );
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aInvalidRegion.Union( maThumbRect );
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if( !IsBackground() && GetParent() )
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{
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const Point aPos( GetPosPixel() );
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aInvalidRegion.Move( aPos.X(), aPos.Y() );
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GetParent()->Invalidate( aInvalidRegion, InvalidateFlags::Transparent | InvalidateFlags::Update );
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}
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else
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Invalidate( aInvalidRegion );
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}
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}
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tools::Long Slider::ImplCalcThumbPos( tools::Long nPixPos ) const
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{
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// calculate position
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tools::Long nCalcThumbPos;
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nCalcThumbPos = ImplMulDiv( nPixPos-mnThumbPixOffset, mnMaxRange-mnMinRange, mnThumbPixRange-1 );
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nCalcThumbPos += mnMinRange;
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return nCalcThumbPos;
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}
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tools::Long Slider::ImplCalcThumbPosPix( tools::Long nPos ) const
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{
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// calculate position
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tools::Long nCalcThumbPos;
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nCalcThumbPos = ImplMulDiv( nPos-mnMinRange, mnThumbPixRange-1, mnMaxRange-mnMinRange );
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// at the beginning and end we try to display Slider correctly
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if ( !nCalcThumbPos && (mnThumbPos > mnMinRange) )
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nCalcThumbPos = 1;
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if ( nCalcThumbPos &&
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(nCalcThumbPos == mnThumbPixRange-1) &&
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(mnThumbPos < mnMaxRange) )
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nCalcThumbPos--;
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return nCalcThumbPos+mnThumbPixOffset;
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}
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void Slider::ImplCalc( bool bUpdate )
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{
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bool bInvalidateAll = false;
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if (mbCalcSize)
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{
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if (GetStyle() & WB_HORZ)
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{
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const tools::Rectangle aControlRegion(tools::Rectangle(Point(), Size(SLIDER_THUMB_SIZE, 10)));
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tools::Rectangle aThumbBounds, aThumbContent;
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if (GetNativeControlRegion(ControlType::Slider, ControlPart::ThumbHorz,
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aControlRegion, ControlState::NONE, ImplControlValue(),
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aThumbBounds, aThumbContent))
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{
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mnThumbSize = aThumbBounds.GetWidth();
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}
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else
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{
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mnThumbSize = SLIDER_THUMB_SIZE;
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}
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}
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else
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{
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const tools::Rectangle aControlRegion(tools::Rectangle(Point(), Size(10, SLIDER_THUMB_SIZE)));
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tools::Rectangle aThumbBounds, aThumbContent;
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if (GetNativeControlRegion( ControlType::Slider, ControlPart::ThumbVert,
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aControlRegion, ControlState::NONE, ImplControlValue(),
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aThumbBounds, aThumbContent))
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{
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mnThumbSize = aThumbBounds.GetHeight();
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}
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else
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{
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mnThumbSize = SLIDER_THUMB_SIZE;
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}
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}
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tools::Long nOldChannelPixRange = mnChannelPixRange;
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tools::Long nOldChannelPixTop = mnChannelPixTop;
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tools::Long nOldChannelPixBottom = mnChannelPixBottom;
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tools::Long nCalcWidth;
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tools::Long nCalcHeight;
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maChannel1Rect.SetEmpty();
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maChannel2Rect.SetEmpty();
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maThumbRect.SetEmpty();
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Size aSize = GetOutputSizePixel();
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if ( GetStyle() & WB_HORZ )
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{
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nCalcWidth = aSize.Width();
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nCalcHeight = aSize.Height();
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maThumbRect.SetTop( 0 );
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maThumbRect.SetBottom( aSize.Height()-1 );
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}
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else
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{
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nCalcWidth = aSize.Height();
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nCalcHeight = aSize.Width();
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maThumbRect.SetLeft( 0 );
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maThumbRect.SetRight( aSize.Width()-1 );
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}
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if (nCalcWidth >= mnThumbSize)
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{
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mnThumbPixOffset = mnThumbSize / 2;
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mnThumbPixRange = nCalcWidth - mnThumbSize;
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mnThumbPixPos = 0;
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mnChannelPixRange = nCalcWidth;
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mnChannelPixTop = (nCalcHeight/2)-SLIDER_CHANNEL_HALFSIZE;
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mnChannelPixBottom = mnChannelPixTop+SLIDER_CHANNEL_SIZE-1;
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}
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else
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{
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mnThumbPixRange = 0;
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mnChannelPixRange = 0;
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}
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if ( (nOldChannelPixRange != mnChannelPixRange) ||
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(nOldChannelPixTop != mnChannelPixTop) ||
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(nOldChannelPixBottom != mnChannelPixBottom) )
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bInvalidateAll = true;
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mbCalcSize = false;
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}
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if ( mnThumbPixRange )
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mnThumbPixPos = ImplCalcThumbPosPix( mnThumbPos );
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if ( bUpdate && bInvalidateAll )
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{
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Invalidate();
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bUpdate = false;
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}
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ImplUpdateRects( bUpdate );
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}
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void Slider::ImplDraw(vcl::RenderContext& rRenderContext)
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{
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// do missing calculations
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if (mbCalcSize)
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ImplCalc(false);
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ControlPart nPart = (GetStyle() & WB_HORZ) ? ControlPart::TrackHorzArea : ControlPart::TrackVertArea;
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if (rRenderContext.IsNativeControlSupported(ControlType::Slider, nPart))
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{
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ControlState nState = (IsEnabled() ? ControlState::ENABLED : ControlState::NONE);
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nState |= (HasFocus() ? ControlState::FOCUSED : ControlState::NONE);
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SliderValue aSliderValue;
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aSliderValue.mnMin = mnMinRange;
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aSliderValue.mnMax = mnMaxRange;
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aSliderValue.mnCur = mnThumbPos;
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aSliderValue.maThumbRect = maThumbRect;
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if (IsMouseOver())
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{
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if (maThumbRect.Contains(GetPointerPosPixel()))
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aSliderValue.mnThumbState |= ControlState::ROLLOVER;
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}
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const tools::Rectangle aCtrlRegion(Point(0,0), GetOutputSizePixel());
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if (rRenderContext.DrawNativeControl(ControlType::Slider, nPart, aCtrlRegion, nState, aSliderValue, OUString()))
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return;
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}
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DecorationView aDecoView(&rRenderContext);
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const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
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bool bEnabled = IsEnabled();
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if (!maChannel1Rect.IsEmpty())
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{
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tools::Long nRectSize;
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tools::Rectangle aRect = maChannel1Rect;
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rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
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if (GetStyle() & WB_HORZ)
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{
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rRenderContext.DrawLine(aRect.TopLeft(), Point(aRect.Left(), aRect.Bottom() - 1));
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rRenderContext.DrawLine(aRect.TopLeft(), aRect.TopRight());
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}
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else
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{
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rRenderContext.DrawLine(aRect.TopLeft(), Point(aRect.Right() - 1, aRect.Top()));
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rRenderContext.DrawLine(aRect.TopLeft(), aRect.BottomLeft());
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}
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rRenderContext.SetLineColor(rStyleSettings.GetLightColor());
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if (GetStyle() & WB_HORZ)
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{
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rRenderContext.DrawLine(aRect.BottomLeft(), aRect.BottomRight());
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nRectSize = aRect.GetWidth();
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}
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else
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{
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rRenderContext.DrawLine(aRect.TopRight(), aRect.BottomRight());
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nRectSize = aRect.GetHeight();
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}
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if (nRectSize > 1)
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{
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aRect.AdjustLeft( 1 );
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aRect.AdjustTop( 1 );
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if (GetStyle() & WB_HORZ)
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aRect.AdjustBottom( -1 );
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else
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aRect.AdjustRight( -1 );
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rRenderContext.SetLineColor();
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if (mnStateFlags & SLIDER_STATE_CHANNEL1_DOWN)
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rRenderContext.SetFillColor(rStyleSettings.GetShadowColor());
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else
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rRenderContext.SetFillColor(rStyleSettings.GetCheckedColor());
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rRenderContext.DrawRect(aRect);
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}
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}
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if (!maChannel2Rect.IsEmpty())
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{
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tools::Long nRectSize;
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tools::Rectangle aRect = maChannel2Rect;
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rRenderContext.SetLineColor(rStyleSettings.GetLightColor());
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if (GetStyle() & WB_HORZ)
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{
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rRenderContext.DrawLine(aRect.TopRight(), aRect.BottomRight());
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rRenderContext.DrawLine(aRect.BottomLeft(), aRect.BottomRight());
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nRectSize = aRect.GetWidth();
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}
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else
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{
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rRenderContext.DrawLine(aRect.BottomLeft(), aRect.BottomRight());
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rRenderContext.DrawLine(aRect.TopRight(), aRect.BottomRight());
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nRectSize = aRect.GetHeight();
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}
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if (nRectSize > 1)
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{
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rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
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if (GetStyle() & WB_HORZ)
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rRenderContext.DrawLine(aRect.TopLeft(), Point(aRect.Right() - 1, aRect.Top()));
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else
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rRenderContext.DrawLine(aRect.TopLeft(), Point(aRect.Left(), aRect.Bottom() - 1));
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aRect.AdjustRight( -1 );
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aRect.AdjustBottom( -1 );
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if (GetStyle() & WB_HORZ)
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aRect.AdjustTop( 1 );
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else
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aRect.AdjustLeft( 1 );
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rRenderContext.SetLineColor();
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if (mnStateFlags & SLIDER_STATE_CHANNEL2_DOWN)
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rRenderContext.SetFillColor(rStyleSettings.GetShadowColor());
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else
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rRenderContext.SetFillColor(rStyleSettings.GetCheckedColor());
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rRenderContext.DrawRect(aRect);
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}
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}
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if (maThumbRect.IsEmpty())
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return;
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if (bEnabled)
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{
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DrawButtonFlags nStyle = DrawButtonFlags::NONE;
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if (mnStateFlags & SLIDER_STATE_THUMB_DOWN)
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nStyle |= DrawButtonFlags::Pressed;
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aDecoView.DrawButton(maThumbRect, nStyle);
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}
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else
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{
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rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
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rRenderContext.SetFillColor(rStyleSettings.GetCheckedColor());
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rRenderContext.DrawRect(maThumbRect);
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}
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}
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bool Slider::ImplIsPageUp( const Point& rPos ) const
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{
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Size aSize = GetOutputSizePixel();
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tools::Rectangle aRect = maChannel1Rect;
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if ( GetStyle() & WB_HORZ )
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{
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aRect.SetTop( 0 );
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aRect.SetBottom( aSize.Height()-1 );
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}
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else
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{
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aRect.SetLeft( 0 );
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aRect.SetRight( aSize.Width()-1 );
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}
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return aRect.Contains( rPos );
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}
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bool Slider::ImplIsPageDown( const Point& rPos ) const
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{
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Size aSize = GetOutputSizePixel();
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tools::Rectangle aRect = maChannel2Rect;
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if ( GetStyle() & WB_HORZ )
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{
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aRect.SetTop( 0 );
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aRect.SetBottom( aSize.Height()-1 );
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}
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else
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{
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aRect.SetLeft( 0 );
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aRect.SetRight( aSize.Width()-1 );
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}
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return aRect.Contains( rPos );
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}
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tools::Long Slider::ImplSlide( tools::Long nNewPos )
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{
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tools::Long nOldPos = mnThumbPos;
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SetThumbPos( nNewPos );
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tools::Long nDelta = mnThumbPos-nOldPos;
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if ( nDelta )
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{
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Slide();
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}
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return nDelta;
|
|
}
|
|
|
|
tools::Long Slider::ImplDoAction()
|
|
{
|
|
tools::Long nDelta = 0;
|
|
|
|
switch ( meScrollType )
|
|
{
|
|
case ScrollType::LineUp:
|
|
nDelta = ImplSlide( mnThumbPos-mnLineSize );
|
|
break;
|
|
|
|
case ScrollType::LineDown:
|
|
nDelta = ImplSlide( mnThumbPos+mnLineSize );
|
|
break;
|
|
|
|
case ScrollType::PageUp:
|
|
nDelta = ImplSlide( mnThumbPos-mnPageSize );
|
|
break;
|
|
|
|
case ScrollType::PageDown:
|
|
nDelta = ImplSlide( mnThumbPos+mnPageSize );
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return nDelta;
|
|
}
|
|
|
|
void Slider::ImplDoMouseAction( const Point& rMousePos, bool bCallAction )
|
|
{
|
|
sal_uInt16 nOldStateFlags = mnStateFlags;
|
|
bool bAction = false;
|
|
|
|
switch ( meScrollType )
|
|
{
|
|
case ScrollType::PageUp:
|
|
if ( ImplIsPageUp( rMousePos ) )
|
|
{
|
|
bAction = bCallAction;
|
|
mnStateFlags |= SLIDER_STATE_CHANNEL1_DOWN;
|
|
}
|
|
else
|
|
mnStateFlags &= ~SLIDER_STATE_CHANNEL1_DOWN;
|
|
break;
|
|
|
|
case ScrollType::PageDown:
|
|
if ( ImplIsPageDown( rMousePos ) )
|
|
{
|
|
bAction = bCallAction;
|
|
mnStateFlags |= SLIDER_STATE_CHANNEL2_DOWN;
|
|
}
|
|
else
|
|
mnStateFlags &= ~SLIDER_STATE_CHANNEL2_DOWN;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if ( bAction )
|
|
{
|
|
if ( ImplDoAction() )
|
|
{
|
|
Invalidate();
|
|
}
|
|
}
|
|
else if ( nOldStateFlags != mnStateFlags )
|
|
{
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
void Slider::ImplDoSlide( tools::Long nNewPos )
|
|
{
|
|
if ( meScrollType != ScrollType::DontKnow )
|
|
return;
|
|
|
|
meScrollType = ScrollType::Drag;
|
|
ImplSlide( nNewPos );
|
|
meScrollType = ScrollType::DontKnow;
|
|
}
|
|
|
|
void Slider::ImplDoSlideAction( ScrollType eScrollType )
|
|
{
|
|
if ( (meScrollType != ScrollType::DontKnow) ||
|
|
(eScrollType == ScrollType::DontKnow) ||
|
|
(eScrollType == ScrollType::Drag) )
|
|
return;
|
|
|
|
meScrollType = eScrollType;
|
|
ImplDoAction();
|
|
meScrollType = ScrollType::DontKnow;
|
|
}
|
|
|
|
void Slider::MouseButtonDown( const MouseEvent& rMEvt )
|
|
{
|
|
if ( !rMEvt.IsLeft() )
|
|
return;
|
|
|
|
const Point& rMousePos = rMEvt.GetPosPixel();
|
|
StartTrackingFlags nTrackFlags = StartTrackingFlags::NONE;
|
|
|
|
if ( maThumbRect.Contains( rMousePos ) )
|
|
{
|
|
meScrollType = ScrollType::Drag;
|
|
|
|
// calculate additional values
|
|
Point aCenterPos = maThumbRect.Center();
|
|
if ( GetStyle() & WB_HORZ )
|
|
mnMouseOff = rMousePos.X()-aCenterPos.X();
|
|
else
|
|
mnMouseOff = rMousePos.Y()-aCenterPos.Y();
|
|
}
|
|
else if ( ImplIsPageUp( rMousePos ) )
|
|
{
|
|
nTrackFlags = StartTrackingFlags::ButtonRepeat;
|
|
meScrollType = ScrollType::PageUp;
|
|
}
|
|
else if ( ImplIsPageDown( rMousePos ) )
|
|
{
|
|
nTrackFlags = StartTrackingFlags::ButtonRepeat;
|
|
meScrollType = ScrollType::PageDown;
|
|
}
|
|
|
|
// Shall we start Tracking?
|
|
if( meScrollType != ScrollType::DontKnow )
|
|
{
|
|
// store Start position for cancel and EndScroll delta
|
|
mnStartPos = mnThumbPos;
|
|
ImplDoMouseAction( rMousePos, /*bCallAction*/true );
|
|
PaintImmediately();
|
|
|
|
StartTracking( nTrackFlags );
|
|
}
|
|
}
|
|
|
|
void Slider::MouseButtonUp( const MouseEvent& )
|
|
{
|
|
}
|
|
|
|
void Slider::Tracking( const TrackingEvent& rTEvt )
|
|
{
|
|
if ( rTEvt.IsTrackingEnded() )
|
|
{
|
|
// reset Button and PageRect state
|
|
sal_uInt16 nOldStateFlags = mnStateFlags;
|
|
mnStateFlags &= ~(SLIDER_STATE_CHANNEL1_DOWN | SLIDER_STATE_CHANNEL2_DOWN |
|
|
SLIDER_STATE_THUMB_DOWN);
|
|
if ( nOldStateFlags != mnStateFlags )
|
|
{
|
|
Invalidate(InvalidateFlags::NoChildren | InvalidateFlags::NoErase);
|
|
}
|
|
|
|
// on cancel, reset the previous Thumb position
|
|
if ( rTEvt.IsTrackingCanceled() )
|
|
{
|
|
SetThumbPos( mnStartPos );
|
|
Slide();
|
|
}
|
|
|
|
if ( meScrollType == ScrollType::Drag )
|
|
{
|
|
// after dragging, recalculate to a rounded Thumb position
|
|
ImplCalc();
|
|
PaintImmediately();
|
|
}
|
|
|
|
meScrollType = ScrollType::DontKnow;
|
|
}
|
|
else
|
|
{
|
|
const Point rMousePos = rTEvt.GetMouseEvent().GetPosPixel();
|
|
|
|
// special handling for dragging
|
|
if ( meScrollType == ScrollType::Drag )
|
|
{
|
|
tools::Long nMovePix;
|
|
Point aCenterPos = maThumbRect.Center();
|
|
if ( GetStyle() & WB_HORZ )
|
|
nMovePix = rMousePos.X()-(aCenterPos.X()+mnMouseOff);
|
|
else
|
|
nMovePix = rMousePos.Y()-(aCenterPos.Y()+mnMouseOff);
|
|
// only if the mouse moves in Scroll direction we have to act
|
|
if ( nMovePix )
|
|
{
|
|
mnThumbPixPos += nMovePix;
|
|
if ( mnThumbPixPos < mnThumbPixOffset )
|
|
mnThumbPixPos = mnThumbPixOffset;
|
|
if ( mnThumbPixPos > (mnThumbPixOffset+mnThumbPixRange-1) )
|
|
mnThumbPixPos = mnThumbPixOffset+mnThumbPixRange-1;
|
|
tools::Long nOldPos = mnThumbPos;
|
|
mnThumbPos = ImplCalcThumbPos( mnThumbPixPos );
|
|
if ( nOldPos != mnThumbPos )
|
|
{
|
|
ImplUpdateRects();
|
|
PaintImmediately();
|
|
if ( nOldPos != mnThumbPos )
|
|
{
|
|
Slide();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
ImplDoMouseAction( rMousePos, rTEvt.IsTrackingRepeat() );
|
|
|
|
// end tracking if ScrollBar values indicate we are done
|
|
if ( !IsVisible() )
|
|
EndTracking();
|
|
}
|
|
}
|
|
|
|
void Slider::KeyInput( const KeyEvent& rKEvt )
|
|
{
|
|
if ( !rKEvt.GetKeyCode().GetModifier() )
|
|
{
|
|
switch ( rKEvt.GetKeyCode().GetCode() )
|
|
{
|
|
case KEY_HOME:
|
|
ImplDoSlide( GetRangeMin() );
|
|
break;
|
|
case KEY_END:
|
|
ImplDoSlide( GetRangeMax() );
|
|
break;
|
|
|
|
case KEY_LEFT:
|
|
case KEY_UP:
|
|
ImplDoSlideAction( ScrollType::LineUp );
|
|
break;
|
|
|
|
case KEY_RIGHT:
|
|
case KEY_DOWN:
|
|
ImplDoSlideAction( ScrollType::LineDown );
|
|
break;
|
|
|
|
case KEY_PAGEUP:
|
|
ImplDoSlideAction( ScrollType::PageUp );
|
|
break;
|
|
|
|
case KEY_PAGEDOWN:
|
|
ImplDoSlideAction( ScrollType::PageDown );
|
|
break;
|
|
|
|
default:
|
|
Control::KeyInput( rKEvt );
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
Control::KeyInput( rKEvt );
|
|
}
|
|
|
|
void Slider::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/)
|
|
{
|
|
ImplDraw(rRenderContext);
|
|
}
|
|
|
|
void Slider::Resize()
|
|
{
|
|
Control::Resize();
|
|
mbCalcSize = true;
|
|
if ( IsReallyVisible() )
|
|
ImplCalc( false );
|
|
Invalidate(InvalidateFlags::NoChildren | InvalidateFlags::NoErase);
|
|
}
|
|
|
|
void Slider::StateChanged( StateChangedType nType )
|
|
{
|
|
Control::StateChanged( nType );
|
|
|
|
if ( nType == StateChangedType::InitShow )
|
|
ImplCalc( false );
|
|
else if ( nType == StateChangedType::Data )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
ImplCalc();
|
|
}
|
|
else if ( nType == StateChangedType::UpdateMode )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
{
|
|
ImplCalc( false );
|
|
Invalidate();
|
|
}
|
|
}
|
|
else if ( nType == StateChangedType::Enable ||
|
|
nType == StateChangedType::ControlFocus )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
{
|
|
Invalidate();
|
|
}
|
|
}
|
|
else if ( nType == StateChangedType::Style )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
{
|
|
if ( (GetPrevStyle() & SLIDER_VIEW_STYLE) !=
|
|
(GetStyle() & SLIDER_VIEW_STYLE) )
|
|
{
|
|
mbCalcSize = true;
|
|
ImplCalc( false );
|
|
Invalidate();
|
|
}
|
|
}
|
|
}
|
|
else if ( nType == StateChangedType::ControlBackground )
|
|
{
|
|
ImplInitSettings();
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
void Slider::DataChanged( const DataChangedEvent& rDCEvt )
|
|
{
|
|
Control::DataChanged( rDCEvt );
|
|
|
|
if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
|
|
(rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
|
|
{
|
|
ImplInitSettings();
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
void Slider::Slide()
|
|
{
|
|
maSlideHdl.Call( this );
|
|
}
|
|
|
|
void Slider::SetRangeMin(tools::Long nNewRange)
|
|
{
|
|
SetRange(Range(nNewRange, GetRangeMax()));
|
|
}
|
|
|
|
void Slider::SetRangeMax(tools::Long nNewRange)
|
|
{
|
|
SetRange(Range(GetRangeMin(), nNewRange));
|
|
}
|
|
|
|
void Slider::SetRange( const Range& rRange )
|
|
{
|
|
// adjust Range
|
|
Range aRange = rRange;
|
|
aRange.Normalize();
|
|
tools::Long nNewMinRange = aRange.Min();
|
|
tools::Long nNewMaxRange = aRange.Max();
|
|
|
|
// reset Range if different
|
|
if ( (mnMinRange != nNewMinRange) ||
|
|
(mnMaxRange != nNewMaxRange) )
|
|
{
|
|
mnMinRange = nNewMinRange;
|
|
mnMaxRange = nNewMaxRange;
|
|
|
|
// adjust Thumb
|
|
if ( mnThumbPos > mnMaxRange )
|
|
mnThumbPos = mnMaxRange;
|
|
if ( mnThumbPos < mnMinRange )
|
|
mnThumbPos = mnMinRange;
|
|
CompatStateChanged( StateChangedType::Data );
|
|
}
|
|
}
|
|
|
|
void Slider::SetThumbPos( tools::Long nNewThumbPos )
|
|
{
|
|
if ( nNewThumbPos < mnMinRange )
|
|
nNewThumbPos = mnMinRange;
|
|
if ( nNewThumbPos > mnMaxRange )
|
|
nNewThumbPos = mnMaxRange;
|
|
|
|
if ( mnThumbPos != nNewThumbPos )
|
|
{
|
|
mnThumbPos = nNewThumbPos;
|
|
CompatStateChanged( StateChangedType::Data );
|
|
}
|
|
}
|
|
|
|
Size Slider::CalcWindowSizePixel() const
|
|
{
|
|
tools::Long nWidth = mnMaxRange - mnMinRange + mnThumbSize + 1;
|
|
tools::Long nHeight = SLIDER_HEIGHT;
|
|
Size aSize;
|
|
if ( GetStyle() & WB_HORZ )
|
|
{
|
|
aSize.setWidth( nWidth );
|
|
aSize.setHeight( nHeight );
|
|
}
|
|
else
|
|
{
|
|
aSize.setHeight( nWidth );
|
|
aSize.setWidth( nHeight );
|
|
}
|
|
return aSize;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|