1506 lines
51 KiB
C++
1506 lines
51 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 "vcl/scrbar.hxx"
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#include "vcl/timer.hxx"
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#include "vcl/settings.hxx"
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#include "svdata.hxx"
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#include "rtl/string.hxx"
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#include "tools/rc.h"
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/* #i77549#
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HACK: for scrollbars in case of thumb rect, page up and page down rect we
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abuse the HitTestNativeControl interface. All theming engines but OS X
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are actually able to draw the thumb according to our internal representation.
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However OS X draws a little outside. The canonical way would be to enhance the
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HitTestNativeControl passing a ScrollbarValue additionally so all necessary
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information is available in the call.
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.
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However since there is only this one small exception we will deviate a little and
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instead pass the respective rect as control region to allow for a small correction.
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So all places using HitTestNativeControl on PART_THUMB_HORZ, PART_THUMB_VERT,
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PART_TRACK_HORZ_LEFT, PART_TRACK_HORZ_RIGHT, PART_TRACK_VERT_UPPER, PART_TRACK_VERT_LOWER
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do not use the control rectangle as region but the actuall part rectangle, making
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only small deviations feasible.
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*/
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#include "thumbpos.hxx"
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#define SCRBAR_DRAW_BTN1 ((sal_uInt16)0x0001)
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#define SCRBAR_DRAW_BTN2 ((sal_uInt16)0x0002)
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#define SCRBAR_DRAW_PAGE1 ((sal_uInt16)0x0004)
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#define SCRBAR_DRAW_PAGE2 ((sal_uInt16)0x0008)
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#define SCRBAR_DRAW_THUMB ((sal_uInt16)0x0010)
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#define SCRBAR_DRAW_BACKGROUND ((sal_uInt16)0x0020)
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#define SCRBAR_DRAW_ALL (SCRBAR_DRAW_BTN1 | SCRBAR_DRAW_BTN2 | \
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SCRBAR_DRAW_PAGE1 | SCRBAR_DRAW_PAGE2 |\
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SCRBAR_DRAW_THUMB | SCRBAR_DRAW_BACKGROUND )
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#define SCRBAR_STATE_BTN1_DOWN ((sal_uInt16)0x0001)
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#define SCRBAR_STATE_BTN1_DISABLE ((sal_uInt16)0x0002)
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#define SCRBAR_STATE_BTN2_DOWN ((sal_uInt16)0x0004)
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#define SCRBAR_STATE_BTN2_DISABLE ((sal_uInt16)0x0008)
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#define SCRBAR_STATE_PAGE1_DOWN ((sal_uInt16)0x0010)
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#define SCRBAR_STATE_PAGE2_DOWN ((sal_uInt16)0x0020)
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#define SCRBAR_STATE_THUMB_DOWN ((sal_uInt16)0x0040)
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#define SCRBAR_VIEW_STYLE (WB_3DLOOK | WB_HORZ | WB_VERT)
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struct ImplScrollBarData
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{
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AutoTimer maTimer; // Timer
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bool mbHide;
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Rectangle maTrackRect; // TODO: move to ScrollBar class when binary incompatibility of ScrollBar class is no longer problematic
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};
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void ScrollBar::ImplInit( vcl::Window* pParent, WinBits nStyle )
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{
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mpData = NULL;
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mnThumbPixRange = 0;
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mnThumbPixPos = 0;
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mnThumbPixSize = 0;
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mnMinRange = 0;
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mnMaxRange = 100;
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mnThumbPos = 0;
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mnVisibleSize = 0;
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mnLineSize = 1;
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mnPageSize = 1;
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mnDelta = 0;
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mnDragDraw = 0;
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mnStateFlags = 0;
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meScrollType = SCROLL_DONTKNOW;
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meDDScrollType = SCROLL_DONTKNOW;
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mbCalcSize = true;
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mbFullDrag = false;
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if( !mpData ) // TODO: remove when maTrackRect is no longer in mpData
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{
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mpData = new ImplScrollBarData;
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mpData->maTimer.SetTimeoutHdl( LINK( this, ScrollBar, ImplAutoTimerHdl ) );
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mpData->mbHide = false;
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}
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ImplInitStyle( nStyle );
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Control::ImplInit( pParent, nStyle, NULL );
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long nScrollSize = GetSettings().GetStyleSettings().GetScrollBarSize();
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SetSizePixel( Size( nScrollSize, nScrollSize ) );
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SetBackground();
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}
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void ScrollBar::ImplInitStyle( WinBits nStyle )
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{
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if ( nStyle & WB_DRAG )
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mbFullDrag = true;
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else
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mbFullDrag = (GetSettings().GetStyleSettings().GetDragFullOptions() & DRAGFULL_OPTION_SCROLL) != 0;
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}
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ScrollBar::ScrollBar( vcl::Window* pParent, WinBits nStyle ) :
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Control( WINDOW_SCROLLBAR )
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{
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ImplInit( pParent, nStyle );
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}
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ScrollBar::~ScrollBar()
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{
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disposeOnce();
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}
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void ScrollBar::dispose()
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{
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delete mpData; mpData = NULL;
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Control::dispose();
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}
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void ScrollBar::ImplUpdateRects( bool bUpdate )
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{
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sal_uInt16 nOldStateFlags = mnStateFlags;
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Rectangle aOldPage1Rect = maPage1Rect;
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Rectangle aOldPage2Rect = maPage2Rect;
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Rectangle aOldThumbRect = maThumbRect;
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mnStateFlags &= ~SCRBAR_STATE_BTN1_DISABLE;
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mnStateFlags &= ~SCRBAR_STATE_BTN2_DISABLE;
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Rectangle& maTrackRect = mpData->maTrackRect; // TODO: remove when maTrackRect is no longer in mpData
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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.Left() = maTrackRect.Left()+mnThumbPixPos;
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maThumbRect.Right() = maThumbRect.Left()+mnThumbPixSize-1;
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if ( !mnThumbPixPos )
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maPage1Rect.Right() = RECT_EMPTY;
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else
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maPage1Rect.Right() = maThumbRect.Left()-1;
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if ( mnThumbPixPos >= (mnThumbPixRange-mnThumbPixSize) )
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maPage2Rect.Right() = RECT_EMPTY;
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else
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{
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maPage2Rect.Left() = maThumbRect.Right()+1;
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maPage2Rect.Right() = maTrackRect.Right();
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}
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}
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else
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{
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maThumbRect.Top() = maTrackRect.Top()+mnThumbPixPos;
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maThumbRect.Bottom() = maThumbRect.Top()+mnThumbPixSize-1;
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if ( !mnThumbPixPos )
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maPage1Rect.Bottom() = RECT_EMPTY;
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else
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maPage1Rect.Bottom() = maThumbRect.Top()-1;
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if ( mnThumbPixPos >= (mnThumbPixRange-mnThumbPixSize) )
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maPage2Rect.Bottom() = RECT_EMPTY;
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else
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{
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maPage2Rect.Top() = maThumbRect.Bottom()+1;
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maPage2Rect.Bottom() = maTrackRect.Bottom();
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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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if ( GetStyle() & WB_HORZ )
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{
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const long nSpace = maTrackRect.Right() - maTrackRect.Left();
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if ( nSpace > 0 )
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{
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maPage1Rect.Left() = maTrackRect.Left();
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maPage1Rect.Right() = maTrackRect.Left() + (nSpace/2);
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maPage2Rect.Left() = maPage1Rect.Right() + 1;
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maPage2Rect.Right() = maTrackRect.Right();
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}
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}
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else
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{
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const long nSpace = maTrackRect.Bottom() - maTrackRect.Top();
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if ( nSpace > 0 )
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{
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maPage1Rect.Top() = maTrackRect.Top();
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maPage1Rect.Bottom() = maTrackRect.Top() + (nSpace/2);
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maPage2Rect.Top() = maPage1Rect.Bottom() + 1;
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maPage2Rect.Bottom() = maTrackRect.Bottom();
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}
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}
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}
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if( !IsNativeControlSupported(CTRL_SCROLLBAR, PART_ENTIRE_CONTROL) )
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{
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// disable scrollbar buttons only in VCL's own 'theme'
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// as it is uncommon on other platforms
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if ( mnThumbPos == mnMinRange )
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mnStateFlags |= SCRBAR_STATE_BTN1_DISABLE;
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if ( mnThumbPos >= (mnMaxRange-mnVisibleSize) )
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mnStateFlags |= SCRBAR_STATE_BTN2_DISABLE;
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}
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if ( bUpdate )
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{
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sal_uInt16 nDraw = 0;
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if ( (nOldStateFlags & SCRBAR_STATE_BTN1_DISABLE) !=
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(mnStateFlags & SCRBAR_STATE_BTN1_DISABLE) )
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nDraw |= SCRBAR_DRAW_BTN1;
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if ( (nOldStateFlags & SCRBAR_STATE_BTN2_DISABLE) !=
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(mnStateFlags & SCRBAR_STATE_BTN2_DISABLE) )
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nDraw |= SCRBAR_DRAW_BTN2;
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if ( aOldPage1Rect != maPage1Rect )
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nDraw |= SCRBAR_DRAW_PAGE1;
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if ( aOldPage2Rect != maPage2Rect )
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nDraw |= SCRBAR_DRAW_PAGE2;
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if ( aOldThumbRect != maThumbRect )
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nDraw |= SCRBAR_DRAW_THUMB;
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ImplDraw( nDraw, this );
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}
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}
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long ScrollBar::ImplCalcThumbPos( long nPixPos )
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{
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// Calculate position
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long nCalcThumbPos;
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nCalcThumbPos = ImplMulDiv( nPixPos, mnMaxRange-mnVisibleSize-mnMinRange,
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mnThumbPixRange-mnThumbPixSize );
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nCalcThumbPos += mnMinRange;
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return nCalcThumbPos;
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}
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long ScrollBar::ImplCalcThumbPosPix( long nPos )
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{
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long nCalcThumbPos;
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// Calculate position
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nCalcThumbPos = ImplMulDiv( nPos-mnMinRange, mnThumbPixRange-mnThumbPixSize,
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mnMaxRange-mnVisibleSize-mnMinRange );
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// At the start and end of the ScrollBar, we try to show the display 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+mnThumbPixSize) >= mnThumbPixRange) &&
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(mnThumbPos < (mnMaxRange-mnVisibleSize)) )
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nCalcThumbPos--;
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return nCalcThumbPos;
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}
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void ScrollBar::ImplCalc( bool bUpdate )
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{
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const Size aSize = GetOutputSizePixel();
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const long nMinThumbSize = GetSettings().GetStyleSettings().GetMinThumbSize();
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Rectangle& maTrackRect = mpData->maTrackRect; // TODO: remove when maTrackRect is no longer in mpData
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if ( mbCalcSize )
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{
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Size aOldSize = getCurrentCalcSize();
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const Rectangle aControlRegion( Point(0,0), aSize );
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Rectangle aBtn1Region, aBtn2Region, aTrackRegion, aBoundingRegion;
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if ( GetStyle() & WB_HORZ )
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{
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if ( GetNativeControlRegion( CTRL_SCROLLBAR, IsRTLEnabled()? PART_BUTTON_RIGHT: PART_BUTTON_LEFT,
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aControlRegion, ControlState::NONE, ImplControlValue(), OUString(), aBoundingRegion, aBtn1Region ) &&
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GetNativeControlRegion( CTRL_SCROLLBAR, IsRTLEnabled()? PART_BUTTON_LEFT: PART_BUTTON_RIGHT,
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aControlRegion, ControlState::NONE, ImplControlValue(), OUString(), aBoundingRegion, aBtn2Region ) )
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{
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maBtn1Rect = aBtn1Region;
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maBtn2Rect = aBtn2Region;
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}
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else
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{
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Size aBtnSize( aSize.Height(), aSize.Height() );
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maBtn2Rect.Top() = maBtn1Rect.Top();
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maBtn2Rect.Left() = aSize.Width()-aSize.Height();
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maBtn1Rect.SetSize( aBtnSize );
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maBtn2Rect.SetSize( aBtnSize );
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}
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if ( GetNativeControlRegion( CTRL_SCROLLBAR, PART_TRACK_HORZ_AREA,
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aControlRegion, ControlState::NONE, ImplControlValue(), OUString(), aBoundingRegion, aTrackRegion ) )
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maTrackRect = aTrackRegion;
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else
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maTrackRect = Rectangle( maBtn1Rect.TopRight(), maBtn2Rect.BottomLeft() );
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// Check if available space is big enough for thumb ( min thumb size = ScrBar width/height )
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mnThumbPixRange = maTrackRect.Right() - maTrackRect.Left();
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if( mnThumbPixRange > 0 )
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{
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maPage1Rect.Left() = maTrackRect.Left();
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maPage1Rect.Bottom() =
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maPage2Rect.Bottom() =
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maThumbRect.Bottom() = maTrackRect.Bottom();
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}
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else
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{
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mnThumbPixRange = 0;
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maPage1Rect.SetEmpty();
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maPage2Rect.SetEmpty();
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}
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}
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else
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{
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if ( GetNativeControlRegion( CTRL_SCROLLBAR, PART_BUTTON_UP,
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aControlRegion, ControlState::NONE, ImplControlValue(), OUString(), aBoundingRegion, aBtn1Region ) &&
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GetNativeControlRegion( CTRL_SCROLLBAR, PART_BUTTON_DOWN,
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aControlRegion, ControlState::NONE, ImplControlValue(), OUString(), aBoundingRegion, aBtn2Region ) )
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{
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maBtn1Rect = aBtn1Region;
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maBtn2Rect = aBtn2Region;
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}
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else
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{
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const Size aBtnSize( aSize.Width(), aSize.Width() );
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maBtn2Rect.Left() = maBtn1Rect.Left();
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maBtn2Rect.Top() = aSize.Height()-aSize.Width();
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maBtn1Rect.SetSize( aBtnSize );
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maBtn2Rect.SetSize( aBtnSize );
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}
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if ( GetNativeControlRegion( CTRL_SCROLLBAR, PART_TRACK_VERT_AREA,
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aControlRegion, ControlState::NONE, ImplControlValue(), OUString(), aBoundingRegion, aTrackRegion ) )
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maTrackRect = aTrackRegion;
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else
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maTrackRect = Rectangle( maBtn1Rect.BottomLeft()+Point(0,1), maBtn2Rect.TopRight() );
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// Check if available space is big enough for thumb
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mnThumbPixRange = maTrackRect.Bottom() - maTrackRect.Top();
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if( mnThumbPixRange > 0 )
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{
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maPage1Rect.Top() = maTrackRect.Top();
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maPage1Rect.Right() =
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maPage2Rect.Right() =
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maThumbRect.Right() = maTrackRect.Right();
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}
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else
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{
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mnThumbPixRange = 0;
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maPage1Rect.SetEmpty();
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maPage2Rect.SetEmpty();
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}
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}
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if ( !mnThumbPixRange )
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maThumbRect.SetEmpty();
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mbCalcSize = false;
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Size aNewSize = getCurrentCalcSize();
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if (aOldSize != aNewSize)
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{
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queue_resize();
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}
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}
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if ( mnThumbPixRange )
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{
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// Calculate values
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if ( (mnVisibleSize >= (mnMaxRange-mnMinRange)) ||
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((mnMaxRange-mnMinRange) <= 0) )
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{
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mnThumbPos = mnMinRange;
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mnThumbPixPos = 0;
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mnThumbPixSize = mnThumbPixRange;
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}
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else
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{
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if ( mnVisibleSize )
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mnThumbPixSize = ImplMulDiv( mnThumbPixRange, mnVisibleSize, mnMaxRange-mnMinRange );
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else
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{
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if ( GetStyle() & WB_HORZ )
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mnThumbPixSize = maThumbRect.GetWidth();
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else
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mnThumbPixSize = maThumbRect.GetHeight();
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}
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if ( mnThumbPixSize < nMinThumbSize )
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mnThumbPixSize = nMinThumbSize;
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if ( mnThumbPixSize > mnThumbPixRange )
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mnThumbPixSize = mnThumbPixRange;
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mnThumbPixPos = ImplCalcThumbPosPix( mnThumbPos );
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}
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}
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// If we're ought to ouput again and we have been triggered
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// a Paint event via an Action, we don't output directly,
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// but invalidate everything
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if ( bUpdate && HasPaintEvent() )
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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 ScrollBar::Draw( OutputDevice* pDev, const Point& rPos, const Size& /* rSize */, sal_uLong nFlags )
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{
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Point aPos = pDev->LogicToPixel( rPos );
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pDev->Push();
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pDev->SetMapMode();
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if ( !(nFlags & WINDOW_DRAW_MONO) )
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{
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// DecoView uses the FaceColor...
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AllSettings aSettings = pDev->GetSettings();
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StyleSettings aStyleSettings = aSettings.GetStyleSettings();
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if ( IsControlBackground() )
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aStyleSettings.SetFaceColor( GetControlBackground() );
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else
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aStyleSettings.SetFaceColor( GetSettings().GetStyleSettings().GetFaceColor() );
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aSettings.SetStyleSettings( aStyleSettings );
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pDev->SetSettings( aSettings );
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}
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// For printing:
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// - calculate the size of the rects
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// - because this is zero-based add the correct offset
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// - print
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// - force recalculate
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if ( mbCalcSize )
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ImplCalc( false );
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maBtn1Rect+=aPos;
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maBtn2Rect+=aPos;
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maThumbRect+=aPos;
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mpData->maTrackRect+=aPos; // TODO: update when maTrackRect is no longer in mpData
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maPage1Rect+=aPos;
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maPage2Rect+=aPos;
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ImplDraw( SCRBAR_DRAW_ALL, pDev );
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pDev->Pop();
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mbCalcSize = true;
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}
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bool ScrollBar::ImplDrawNative( sal_uInt16 nDrawFlags )
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{
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ScrollbarValue scrValue;
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bool bNativeOK = IsNativeControlSupported(CTRL_SCROLLBAR, PART_ENTIRE_CONTROL);
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if( !bNativeOK )
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return false;
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bool bHorz = (GetStyle() & WB_HORZ) != 0;
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// Draw the entire background if the control supports it
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if( IsNativeControlSupported(CTRL_SCROLLBAR, bHorz ? PART_DRAW_BACKGROUND_HORZ : PART_DRAW_BACKGROUND_VERT) )
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{
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ControlState nState = ( IsEnabled() ? ControlState::ENABLED : ControlState::NONE ) | ( HasFocus() ? ControlState::FOCUSED : ControlState::NONE );
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|
|
scrValue.mnMin = mnMinRange;
|
|
scrValue.mnMax = mnMaxRange;
|
|
scrValue.mnCur = mnThumbPos;
|
|
scrValue.mnVisibleSize = mnVisibleSize;
|
|
scrValue.maThumbRect = maThumbRect;
|
|
scrValue.maButton1Rect = maBtn1Rect;
|
|
scrValue.maButton2Rect = maBtn2Rect;
|
|
scrValue.mnButton1State = ((mnStateFlags & SCRBAR_STATE_BTN1_DOWN) ? ControlState::PRESSED : ControlState::NONE) |
|
|
((!(mnStateFlags & SCRBAR_STATE_BTN1_DISABLE)) ? ControlState::ENABLED : ControlState::NONE);
|
|
scrValue.mnButton2State = ((mnStateFlags & SCRBAR_STATE_BTN2_DOWN) ? ControlState::PRESSED : ControlState::NONE) |
|
|
((!(mnStateFlags & SCRBAR_STATE_BTN2_DISABLE)) ? ControlState::ENABLED : ControlState::NONE);
|
|
scrValue.mnThumbState = nState | ((mnStateFlags & SCRBAR_STATE_THUMB_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
scrValue.mnPage1State = nState | ((mnStateFlags & SCRBAR_STATE_PAGE1_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
scrValue.mnPage2State = nState | ((mnStateFlags & SCRBAR_STATE_PAGE2_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
|
|
if( IsMouseOver() )
|
|
{
|
|
Rectangle* pRect = ImplFindPartRect( GetPointerPosPixel() );
|
|
if( pRect )
|
|
{
|
|
if( pRect == &maThumbRect )
|
|
scrValue.mnThumbState |= ControlState::ROLLOVER;
|
|
else if( pRect == &maBtn1Rect )
|
|
scrValue.mnButton1State |= ControlState::ROLLOVER;
|
|
else if( pRect == &maBtn2Rect )
|
|
scrValue.mnButton2State |= ControlState::ROLLOVER;
|
|
else if( pRect == &maPage1Rect )
|
|
scrValue.mnPage1State |= ControlState::ROLLOVER;
|
|
else if( pRect == &maPage2Rect )
|
|
scrValue.mnPage2State |= ControlState::ROLLOVER;
|
|
}
|
|
}
|
|
|
|
Rectangle aCtrlRegion;
|
|
aCtrlRegion.Union( maBtn1Rect );
|
|
aCtrlRegion.Union( maBtn2Rect );
|
|
aCtrlRegion.Union( maPage1Rect );
|
|
aCtrlRegion.Union( maPage2Rect );
|
|
aCtrlRegion.Union( maThumbRect );
|
|
|
|
Rectangle aRequestedRegion(Point(0,0), GetOutputSizePixel());
|
|
// if the actual native control region is smaller then the region that
|
|
// we requested the control to draw in, then draw a background rectangle
|
|
// to avoid drawing artifacts in the uncovered region
|
|
if (aCtrlRegion.GetWidth() < aRequestedRegion.GetWidth() ||
|
|
aCtrlRegion.GetHeight() < aRequestedRegion.GetHeight())
|
|
{
|
|
Color aFaceColor = GetSettings().GetStyleSettings().GetFaceColor();
|
|
SetFillColor(aFaceColor);
|
|
SetLineColor(aFaceColor);
|
|
DrawRect(aRequestedRegion);
|
|
}
|
|
|
|
bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, (bHorz ? PART_DRAW_BACKGROUND_HORZ : PART_DRAW_BACKGROUND_VERT),
|
|
aCtrlRegion, nState, scrValue, OUString() );
|
|
}
|
|
else
|
|
{
|
|
if ( (nDrawFlags & SCRBAR_DRAW_PAGE1) || (nDrawFlags & SCRBAR_DRAW_PAGE2) )
|
|
{
|
|
sal_uInt32 part1 = bHorz ? PART_TRACK_HORZ_LEFT : PART_TRACK_VERT_UPPER;
|
|
sal_uInt32 part2 = bHorz ? PART_TRACK_HORZ_RIGHT : PART_TRACK_VERT_LOWER;
|
|
Rectangle aCtrlRegion1( maPage1Rect );
|
|
Rectangle aCtrlRegion2( maPage2Rect );
|
|
ControlState nState1 = (IsEnabled() ? ControlState::ENABLED : ControlState::NONE) | (HasFocus() ? ControlState::FOCUSED : ControlState::NONE);
|
|
ControlState nState2 = nState1;
|
|
|
|
nState1 |= ((mnStateFlags & SCRBAR_STATE_PAGE1_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
nState2 |= ((mnStateFlags & SCRBAR_STATE_PAGE2_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
|
|
if( IsMouseOver() )
|
|
{
|
|
Rectangle* pRect = ImplFindPartRect( GetPointerPosPixel() );
|
|
if( pRect )
|
|
{
|
|
if( pRect == &maPage1Rect )
|
|
nState1 |= ControlState::ROLLOVER;
|
|
else if( pRect == &maPage2Rect )
|
|
nState2 |= ControlState::ROLLOVER;
|
|
}
|
|
}
|
|
|
|
if ( nDrawFlags & SCRBAR_DRAW_PAGE1 )
|
|
bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, part1, aCtrlRegion1, nState1,
|
|
scrValue, OUString() );
|
|
|
|
if ( nDrawFlags & SCRBAR_DRAW_PAGE2 )
|
|
bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, part2, aCtrlRegion2, nState2,
|
|
scrValue, OUString() );
|
|
}
|
|
if ( (nDrawFlags & SCRBAR_DRAW_BTN1) || (nDrawFlags & SCRBAR_DRAW_BTN2) )
|
|
{
|
|
sal_uInt32 part1 = bHorz ? PART_BUTTON_LEFT : PART_BUTTON_UP;
|
|
sal_uInt32 part2 = bHorz ? PART_BUTTON_RIGHT : PART_BUTTON_DOWN;
|
|
Rectangle aCtrlRegion1( maBtn1Rect );
|
|
Rectangle aCtrlRegion2( maBtn2Rect );
|
|
ControlState nState1 = HasFocus() ? ControlState::FOCUSED : ControlState::NONE;
|
|
ControlState nState2 = nState1;
|
|
|
|
if ( !Window::IsEnabled() || !IsEnabled() )
|
|
nState1 = (nState2 &= ~ControlState::ENABLED);
|
|
else
|
|
nState1 = (nState2 |= ControlState::ENABLED);
|
|
|
|
nState1 |= ((mnStateFlags & SCRBAR_STATE_BTN1_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
nState2 |= ((mnStateFlags & SCRBAR_STATE_BTN2_DOWN) ? ControlState::PRESSED : ControlState::NONE);
|
|
|
|
if(mnStateFlags & SCRBAR_STATE_BTN1_DISABLE)
|
|
nState1 &= ~ControlState::ENABLED;
|
|
if(mnStateFlags & SCRBAR_STATE_BTN2_DISABLE)
|
|
nState2 &= ~ControlState::ENABLED;
|
|
|
|
if( IsMouseOver() )
|
|
{
|
|
Rectangle* pRect = ImplFindPartRect( GetPointerPosPixel() );
|
|
if( pRect )
|
|
{
|
|
if( pRect == &maBtn1Rect )
|
|
nState1 |= ControlState::ROLLOVER;
|
|
else if( pRect == &maBtn2Rect )
|
|
nState2 |= ControlState::ROLLOVER;
|
|
}
|
|
}
|
|
|
|
if ( nDrawFlags & SCRBAR_DRAW_BTN1 )
|
|
bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, part1, aCtrlRegion1, nState1,
|
|
scrValue, OUString() );
|
|
|
|
if ( nDrawFlags & SCRBAR_DRAW_BTN2 )
|
|
bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, part2, aCtrlRegion2, nState2,
|
|
scrValue, OUString() );
|
|
}
|
|
if ( (nDrawFlags & SCRBAR_DRAW_THUMB) && !maThumbRect.IsEmpty() )
|
|
{
|
|
ControlState nState = IsEnabled() ? ControlState::ENABLED : ControlState::NONE;
|
|
Rectangle aCtrlRegion( maThumbRect );
|
|
|
|
if ( mnStateFlags & SCRBAR_STATE_THUMB_DOWN )
|
|
nState |= ControlState::PRESSED;
|
|
|
|
if ( HasFocus() )
|
|
nState |= ControlState::FOCUSED;
|
|
|
|
if( IsMouseOver() )
|
|
{
|
|
Rectangle* pRect = ImplFindPartRect( GetPointerPosPixel() );
|
|
if( pRect )
|
|
{
|
|
if( pRect == &maThumbRect )
|
|
nState |= ControlState::ROLLOVER;
|
|
}
|
|
}
|
|
|
|
bNativeOK = DrawNativeControl( CTRL_SCROLLBAR, (bHorz ? PART_THUMB_HORZ : PART_THUMB_VERT),
|
|
aCtrlRegion, nState, scrValue, OUString() );
|
|
}
|
|
}
|
|
return bNativeOK;
|
|
}
|
|
|
|
void ScrollBar::ImplDraw( sal_uInt16 nDrawFlags, OutputDevice* pOutDev )
|
|
{
|
|
DecorationView aDecoView( pOutDev );
|
|
Rectangle aTempRect;
|
|
sal_uInt16 nStyle;
|
|
const StyleSettings& rStyleSettings = pOutDev->GetSettings().GetStyleSettings();
|
|
SymbolType eSymbolType;
|
|
bool bEnabled = IsEnabled();
|
|
|
|
// Finish some open calculations (if any)
|
|
if ( mbCalcSize )
|
|
ImplCalc( false );
|
|
|
|
vcl::Window *pWin = NULL;
|
|
if( pOutDev->GetOutDevType() == OUTDEV_WINDOW )
|
|
pWin = static_cast<vcl::Window*>(pOutDev);
|
|
|
|
// Draw the entire control if the native theme engine needs it
|
|
if ( nDrawFlags && pWin && pWin->IsNativeControlSupported(CTRL_SCROLLBAR, PART_DRAW_BACKGROUND_HORZ) )
|
|
{
|
|
ImplDrawNative( SCRBAR_DRAW_BACKGROUND );
|
|
return;
|
|
}
|
|
|
|
if( (nDrawFlags & SCRBAR_DRAW_BTN1) && (!pWin || !ImplDrawNative( SCRBAR_DRAW_BTN1 ) ) )
|
|
{
|
|
nStyle = BUTTON_DRAW_NOLIGHTBORDER;
|
|
if ( mnStateFlags & SCRBAR_STATE_BTN1_DOWN )
|
|
nStyle |= BUTTON_DRAW_PRESSED;
|
|
aTempRect = aDecoView.DrawButton( maBtn1Rect, nStyle );
|
|
ImplCalcSymbolRect( aTempRect );
|
|
nStyle = 0;
|
|
if ( (mnStateFlags & SCRBAR_STATE_BTN1_DISABLE) || !bEnabled )
|
|
nStyle |= SYMBOL_DRAW_DISABLE;
|
|
if ( rStyleSettings.GetOptions() & STYLE_OPTION_SCROLLARROW )
|
|
{
|
|
if ( GetStyle() & WB_HORZ )
|
|
eSymbolType = SymbolType::ARROW_LEFT;
|
|
else
|
|
eSymbolType = SymbolType::ARROW_UP;
|
|
}
|
|
else
|
|
{
|
|
if ( GetStyle() & WB_HORZ )
|
|
eSymbolType = SymbolType::SPIN_LEFT;
|
|
else
|
|
eSymbolType = SymbolType::SPIN_UP;
|
|
}
|
|
aDecoView.DrawSymbol( aTempRect, eSymbolType, rStyleSettings.GetButtonTextColor(), nStyle );
|
|
}
|
|
|
|
if ( (nDrawFlags & SCRBAR_DRAW_BTN2) && (!pWin || !ImplDrawNative( SCRBAR_DRAW_BTN2 ) ) )
|
|
{
|
|
nStyle = BUTTON_DRAW_NOLIGHTBORDER;
|
|
if ( mnStateFlags & SCRBAR_STATE_BTN2_DOWN )
|
|
nStyle |= BUTTON_DRAW_PRESSED;
|
|
aTempRect = aDecoView.DrawButton( maBtn2Rect, nStyle );
|
|
ImplCalcSymbolRect( aTempRect );
|
|
nStyle = 0;
|
|
if ( (mnStateFlags & SCRBAR_STATE_BTN2_DISABLE) || !bEnabled )
|
|
nStyle |= SYMBOL_DRAW_DISABLE;
|
|
if ( rStyleSettings.GetOptions() & STYLE_OPTION_SCROLLARROW )
|
|
{
|
|
if ( GetStyle() & WB_HORZ )
|
|
eSymbolType = SymbolType::ARROW_RIGHT;
|
|
else
|
|
eSymbolType = SymbolType::ARROW_DOWN;
|
|
}
|
|
else
|
|
{
|
|
if ( GetStyle() & WB_HORZ )
|
|
eSymbolType = SymbolType::SPIN_RIGHT;
|
|
else
|
|
eSymbolType = SymbolType::SPIN_DOWN;
|
|
}
|
|
aDecoView.DrawSymbol( aTempRect, eSymbolType, rStyleSettings.GetButtonTextColor(), nStyle );
|
|
}
|
|
|
|
pOutDev->SetLineColor();
|
|
|
|
if ( (nDrawFlags & SCRBAR_DRAW_THUMB) && (!pWin || !ImplDrawNative( SCRBAR_DRAW_THUMB ) ) )
|
|
{
|
|
if ( !maThumbRect.IsEmpty() )
|
|
{
|
|
if ( bEnabled )
|
|
{
|
|
nStyle = BUTTON_DRAW_NOLIGHTBORDER;
|
|
aTempRect = aDecoView.DrawButton( maThumbRect, nStyle );
|
|
}
|
|
else
|
|
{
|
|
pOutDev->SetFillColor( rStyleSettings.GetCheckedColor() );
|
|
pOutDev->DrawRect( maThumbRect );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( (nDrawFlags & SCRBAR_DRAW_PAGE1) && (!pWin || !ImplDrawNative( SCRBAR_DRAW_PAGE1 ) ) )
|
|
{
|
|
if ( mnStateFlags & SCRBAR_STATE_PAGE1_DOWN )
|
|
pOutDev->SetFillColor( rStyleSettings.GetShadowColor() );
|
|
else
|
|
pOutDev->SetFillColor( rStyleSettings.GetCheckedColor() );
|
|
pOutDev->DrawRect( maPage1Rect );
|
|
}
|
|
if ( (nDrawFlags & SCRBAR_DRAW_PAGE2) && (!pWin || !ImplDrawNative( SCRBAR_DRAW_PAGE2 ) ) )
|
|
{
|
|
if ( mnStateFlags & SCRBAR_STATE_PAGE2_DOWN )
|
|
pOutDev->SetFillColor( rStyleSettings.GetShadowColor() );
|
|
else
|
|
pOutDev->SetFillColor( rStyleSettings.GetCheckedColor() );
|
|
pOutDev->DrawRect( maPage2Rect );
|
|
}
|
|
}
|
|
|
|
long ScrollBar::ImplScroll( long nNewPos, bool bCallEndScroll )
|
|
{
|
|
long nOldPos = mnThumbPos;
|
|
SetThumbPos( nNewPos );
|
|
long nDelta = mnThumbPos-nOldPos;
|
|
if ( nDelta )
|
|
{
|
|
mnDelta = nDelta;
|
|
Scroll();
|
|
if ( bCallEndScroll )
|
|
EndScroll();
|
|
mnDelta = 0;
|
|
}
|
|
return nDelta;
|
|
}
|
|
|
|
long ScrollBar::ImplDoAction( bool bCallEndScroll )
|
|
{
|
|
long nDelta = 0;
|
|
|
|
switch ( meScrollType )
|
|
{
|
|
case SCROLL_LINEUP:
|
|
nDelta = ImplScroll( mnThumbPos-mnLineSize, bCallEndScroll );
|
|
break;
|
|
|
|
case SCROLL_LINEDOWN:
|
|
nDelta = ImplScroll( mnThumbPos+mnLineSize, bCallEndScroll );
|
|
break;
|
|
|
|
case SCROLL_PAGEUP:
|
|
nDelta = ImplScroll( mnThumbPos-mnPageSize, bCallEndScroll );
|
|
break;
|
|
|
|
case SCROLL_PAGEDOWN:
|
|
nDelta = ImplScroll( mnThumbPos+mnPageSize, bCallEndScroll );
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
|
|
return nDelta;
|
|
}
|
|
|
|
void ScrollBar::ImplDoMouseAction( const Point& rMousePos, bool bCallAction )
|
|
{
|
|
sal_uInt16 nOldStateFlags = mnStateFlags;
|
|
bool bAction = false;
|
|
bool bHorizontal = ( GetStyle() & WB_HORZ ) != 0;
|
|
bool bIsInside = false;
|
|
|
|
Point aPoint( 0, 0 );
|
|
Rectangle aControlRegion( aPoint, GetOutputSizePixel() );
|
|
|
|
switch ( meScrollType )
|
|
{
|
|
case SCROLL_LINEUP:
|
|
if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? (IsRTLEnabled()? PART_BUTTON_RIGHT: PART_BUTTON_LEFT): PART_BUTTON_UP,
|
|
aControlRegion, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maBtn1Rect.IsInside( rMousePos ) )
|
|
{
|
|
bAction = bCallAction;
|
|
mnStateFlags |= SCRBAR_STATE_BTN1_DOWN;
|
|
}
|
|
else
|
|
mnStateFlags &= ~SCRBAR_STATE_BTN1_DOWN;
|
|
break;
|
|
|
|
case SCROLL_LINEDOWN:
|
|
if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? (IsRTLEnabled()? PART_BUTTON_LEFT: PART_BUTTON_RIGHT): PART_BUTTON_DOWN,
|
|
aControlRegion, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maBtn2Rect.IsInside( rMousePos ) )
|
|
{
|
|
bAction = bCallAction;
|
|
mnStateFlags |= SCRBAR_STATE_BTN2_DOWN;
|
|
}
|
|
else
|
|
mnStateFlags &= ~SCRBAR_STATE_BTN2_DOWN;
|
|
break;
|
|
|
|
case SCROLL_PAGEUP:
|
|
// HitTestNativeControl, see remark at top of file
|
|
if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? PART_TRACK_HORZ_LEFT: PART_TRACK_VERT_UPPER,
|
|
maPage1Rect, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maPage1Rect.IsInside( rMousePos ) )
|
|
{
|
|
bAction = bCallAction;
|
|
mnStateFlags |= SCRBAR_STATE_PAGE1_DOWN;
|
|
}
|
|
else
|
|
mnStateFlags &= ~SCRBAR_STATE_PAGE1_DOWN;
|
|
break;
|
|
|
|
case SCROLL_PAGEDOWN:
|
|
// HitTestNativeControl, see remark at top of file
|
|
if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? PART_TRACK_HORZ_RIGHT: PART_TRACK_VERT_LOWER,
|
|
maPage2Rect, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maPage2Rect.IsInside( rMousePos ) )
|
|
{
|
|
bAction = bCallAction;
|
|
mnStateFlags |= SCRBAR_STATE_PAGE2_DOWN;
|
|
}
|
|
else
|
|
mnStateFlags &= ~SCRBAR_STATE_PAGE2_DOWN;
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
|
|
if ( nOldStateFlags != mnStateFlags )
|
|
ImplDraw( mnDragDraw, this );
|
|
if ( bAction )
|
|
ImplDoAction( false );
|
|
}
|
|
|
|
void ScrollBar::ImplDragThumb( const Point& rMousePos )
|
|
{
|
|
long nMovePix;
|
|
if ( GetStyle() & WB_HORZ )
|
|
nMovePix = rMousePos.X()-(maThumbRect.Left()+mnMouseOff);
|
|
else
|
|
nMovePix = rMousePos.Y()-(maThumbRect.Top()+mnMouseOff);
|
|
|
|
// Move thumb if necessary
|
|
if ( nMovePix )
|
|
{
|
|
mnThumbPixPos += nMovePix;
|
|
if ( mnThumbPixPos < 0 )
|
|
mnThumbPixPos = 0;
|
|
if ( mnThumbPixPos > (mnThumbPixRange-mnThumbPixSize) )
|
|
mnThumbPixPos = mnThumbPixRange-mnThumbPixSize;
|
|
long nOldPos = mnThumbPos;
|
|
mnThumbPos = ImplCalcThumbPos( mnThumbPixPos );
|
|
ImplUpdateRects();
|
|
if ( mbFullDrag && (nOldPos != mnThumbPos) )
|
|
{
|
|
mnDelta = mnThumbPos-nOldPos;
|
|
Scroll();
|
|
mnDelta = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ScrollBar::MouseButtonDown( const MouseEvent& rMEvt )
|
|
{
|
|
bool bPrimaryWarps = GetSettings().GetStyleSettings().GetPrimaryButtonWarpsSlider();
|
|
bool bWarp = bPrimaryWarps ? rMEvt.IsLeft() : rMEvt.IsMiddle();
|
|
bool bPrimaryWarping = bWarp && rMEvt.IsLeft();
|
|
bool bPage = bPrimaryWarps ? rMEvt.IsRight() : rMEvt.IsLeft();
|
|
|
|
if (rMEvt.IsLeft() || rMEvt.IsMiddle() || rMEvt.IsRight())
|
|
{
|
|
const Point& rMousePos = rMEvt.GetPosPixel();
|
|
sal_uInt16 nTrackFlags = 0;
|
|
bool bHorizontal = ( GetStyle() & WB_HORZ ) != 0;
|
|
bool bIsInside = false;
|
|
bool bDragToMouse = false;
|
|
|
|
Point aPoint( 0, 0 );
|
|
Rectangle aControlRegion( aPoint, GetOutputSizePixel() );
|
|
|
|
if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? (IsRTLEnabled()? PART_BUTTON_RIGHT: PART_BUTTON_LEFT): PART_BUTTON_UP,
|
|
aControlRegion, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maBtn1Rect.IsInside( rMousePos ) )
|
|
{
|
|
if (rMEvt.IsLeft() && !(mnStateFlags & SCRBAR_STATE_BTN1_DISABLE) )
|
|
{
|
|
nTrackFlags = STARTTRACK_BUTTONREPEAT;
|
|
meScrollType = SCROLL_LINEUP;
|
|
mnDragDraw = SCRBAR_DRAW_BTN1;
|
|
}
|
|
}
|
|
else if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? (IsRTLEnabled()? PART_BUTTON_LEFT: PART_BUTTON_RIGHT): PART_BUTTON_DOWN,
|
|
aControlRegion, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maBtn2Rect.IsInside( rMousePos ) )
|
|
{
|
|
if (rMEvt.IsLeft() && !(mnStateFlags & SCRBAR_STATE_BTN2_DISABLE) )
|
|
{
|
|
nTrackFlags = STARTTRACK_BUTTONREPEAT;
|
|
meScrollType = SCROLL_LINEDOWN;
|
|
mnDragDraw = SCRBAR_DRAW_BTN2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bool bThumbHit = HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? PART_THUMB_HORZ : PART_THUMB_VERT,
|
|
maThumbRect, rMousePos, bIsInside )
|
|
? bIsInside : maThumbRect.IsInside( rMousePos );
|
|
|
|
bool bThumbAction = bWarp || bPage;
|
|
|
|
bool bDragHandling = bWarp || (bThumbHit && bThumbAction);
|
|
if( bDragHandling )
|
|
{
|
|
if( mpData )
|
|
{
|
|
mpData->mbHide = true; // disable focus blinking
|
|
if( HasFocus() )
|
|
ImplDraw( SCRBAR_DRAW_THUMB, this ); // paint without focus
|
|
}
|
|
|
|
if ( mnVisibleSize < mnMaxRange-mnMinRange )
|
|
{
|
|
nTrackFlags = 0;
|
|
meScrollType = SCROLL_DRAG;
|
|
mnDragDraw = SCRBAR_DRAW_THUMB;
|
|
|
|
// calculate mouse offset
|
|
if (bWarp && (!bThumbHit || !bPrimaryWarping))
|
|
{
|
|
bDragToMouse = true;
|
|
if ( GetStyle() & WB_HORZ )
|
|
mnMouseOff = maThumbRect.GetWidth()/2;
|
|
else
|
|
mnMouseOff = maThumbRect.GetHeight()/2;
|
|
}
|
|
else
|
|
{
|
|
if ( GetStyle() & WB_HORZ )
|
|
mnMouseOff = rMousePos.X()-maThumbRect.Left();
|
|
else
|
|
mnMouseOff = rMousePos.Y()-maThumbRect.Top();
|
|
}
|
|
|
|
mnStateFlags |= SCRBAR_STATE_THUMB_DOWN;
|
|
ImplDraw( mnDragDraw, this );
|
|
}
|
|
}
|
|
else if(bPage && (!HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? PART_TRACK_HORZ_AREA : PART_TRACK_VERT_AREA,
|
|
aControlRegion, rMousePos, bIsInside ) ||
|
|
bIsInside) )
|
|
{
|
|
nTrackFlags = STARTTRACK_BUTTONREPEAT;
|
|
|
|
// HitTestNativeControl, see remark at top of file
|
|
if ( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? PART_TRACK_HORZ_LEFT : PART_TRACK_VERT_UPPER,
|
|
maPage1Rect, rMousePos, bIsInside )?
|
|
bIsInside:
|
|
maPage1Rect.IsInside( rMousePos ) )
|
|
{
|
|
meScrollType = SCROLL_PAGEUP;
|
|
mnDragDraw = SCRBAR_DRAW_PAGE1;
|
|
}
|
|
else
|
|
{
|
|
meScrollType = SCROLL_PAGEDOWN;
|
|
mnDragDraw = SCRBAR_DRAW_PAGE2;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Should we start Tracking?
|
|
if ( meScrollType != SCROLL_DONTKNOW )
|
|
{
|
|
// store original position for cancel and EndScroll delta
|
|
mnStartPos = mnThumbPos;
|
|
// #92906# Call StartTracking() before ImplDoMouseAction(), otherwise
|
|
// MouseButtonUp() / EndTracking() may be called if somebody is spending
|
|
// a lot of time in the scroll handler
|
|
StartTracking( nTrackFlags );
|
|
ImplDoMouseAction( rMousePos );
|
|
|
|
if( bDragToMouse )
|
|
ImplDragThumb( rMousePos );
|
|
}
|
|
}
|
|
}
|
|
|
|
void ScrollBar::Tracking( const TrackingEvent& rTEvt )
|
|
{
|
|
if ( rTEvt.IsTrackingEnded() )
|
|
{
|
|
// Restore Button and PageRect status
|
|
sal_uInt16 nOldStateFlags = mnStateFlags;
|
|
mnStateFlags &= ~(SCRBAR_STATE_BTN1_DOWN | SCRBAR_STATE_BTN2_DOWN |
|
|
SCRBAR_STATE_PAGE1_DOWN | SCRBAR_STATE_PAGE2_DOWN |
|
|
SCRBAR_STATE_THUMB_DOWN);
|
|
if ( nOldStateFlags != mnStateFlags )
|
|
ImplDraw( mnDragDraw, this );
|
|
mnDragDraw = 0;
|
|
|
|
// Restore the old ThumbPosition when canceled
|
|
if ( rTEvt.IsTrackingCanceled() )
|
|
{
|
|
long nOldPos = mnThumbPos;
|
|
SetThumbPos( mnStartPos );
|
|
mnDelta = mnThumbPos-nOldPos;
|
|
Scroll();
|
|
}
|
|
|
|
if ( meScrollType == SCROLL_DRAG )
|
|
{
|
|
// On a SCROLLDRAG we recalculate the Thumb, so that it's back to a
|
|
// rounded ThumbPosition
|
|
ImplCalc();
|
|
|
|
if ( !mbFullDrag && (mnStartPos != mnThumbPos) )
|
|
{
|
|
mnDelta = mnThumbPos-mnStartPos;
|
|
Scroll();
|
|
mnDelta = 0;
|
|
}
|
|
}
|
|
|
|
mnDelta = mnThumbPos-mnStartPos;
|
|
EndScroll();
|
|
mnDelta = 0;
|
|
meScrollType = SCROLL_DONTKNOW;
|
|
|
|
if( mpData )
|
|
mpData->mbHide = false; // re-enable focus blinking
|
|
}
|
|
else
|
|
{
|
|
const Point rMousePos = rTEvt.GetMouseEvent().GetPosPixel();
|
|
|
|
// Dragging is treated in a special way
|
|
if ( meScrollType == SCROLL_DRAG )
|
|
ImplDragThumb( rMousePos );
|
|
else
|
|
ImplDoMouseAction( rMousePos, rTEvt.IsTrackingRepeat() );
|
|
|
|
// If ScrollBar values are translated in a way that there's
|
|
// nothing left to track, we cancel here
|
|
if ( !IsVisible() || (mnVisibleSize >= (mnMaxRange-mnMinRange)) )
|
|
EndTracking();
|
|
}
|
|
}
|
|
|
|
void ScrollBar::KeyInput( const KeyEvent& rKEvt )
|
|
{
|
|
if ( !rKEvt.GetKeyCode().GetModifier() )
|
|
{
|
|
switch ( rKEvt.GetKeyCode().GetCode() )
|
|
{
|
|
case KEY_HOME:
|
|
DoScroll( 0 );
|
|
break;
|
|
|
|
case KEY_END:
|
|
DoScroll( GetRangeMax() );
|
|
break;
|
|
|
|
case KEY_LEFT:
|
|
case KEY_UP:
|
|
DoScrollAction( SCROLL_LINEUP );
|
|
break;
|
|
|
|
case KEY_RIGHT:
|
|
case KEY_DOWN:
|
|
DoScrollAction( SCROLL_LINEDOWN );
|
|
break;
|
|
|
|
case KEY_PAGEUP:
|
|
DoScrollAction( SCROLL_PAGEUP );
|
|
break;
|
|
|
|
case KEY_PAGEDOWN:
|
|
DoScrollAction( SCROLL_PAGEDOWN );
|
|
break;
|
|
|
|
default:
|
|
Control::KeyInput( rKEvt );
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
Control::KeyInput( rKEvt );
|
|
}
|
|
|
|
void ScrollBar::Paint( vcl::RenderContext& rRenderContext, const Rectangle& )
|
|
{
|
|
ImplDraw(SCRBAR_DRAW_ALL, &rRenderContext);
|
|
}
|
|
|
|
void ScrollBar::Resize()
|
|
{
|
|
Control::Resize();
|
|
mbCalcSize = true;
|
|
if ( IsReallyVisible() )
|
|
ImplCalc( false );
|
|
Invalidate();
|
|
}
|
|
|
|
IMPL_LINK_NOARG(ScrollBar, ImplAutoTimerHdl)
|
|
{
|
|
if( mpData && mpData->mbHide )
|
|
return 0;
|
|
ImplInvert();
|
|
return 0;
|
|
}
|
|
|
|
void ScrollBar::ImplInvert()
|
|
{
|
|
Rectangle aRect( maThumbRect );
|
|
if( aRect.getWidth() > 4 )
|
|
{
|
|
aRect.Left() += 2;
|
|
aRect.Right() -= 2;
|
|
}
|
|
if( aRect.getHeight() > 4 )
|
|
{
|
|
aRect.Top() += 2;
|
|
aRect.Bottom() -= 2;
|
|
}
|
|
|
|
Invert( aRect, 0 );
|
|
}
|
|
|
|
void ScrollBar::GetFocus()
|
|
{
|
|
if( !mpData )
|
|
{
|
|
mpData = new ImplScrollBarData;
|
|
mpData->maTimer.SetTimeoutHdl( LINK( this, ScrollBar, ImplAutoTimerHdl ) );
|
|
mpData->mbHide = false;
|
|
}
|
|
ImplInvert(); // react immediately
|
|
mpData->maTimer.SetTimeout( GetSettings().GetStyleSettings().GetCursorBlinkTime() );
|
|
mpData->maTimer.Start();
|
|
Control::GetFocus();
|
|
}
|
|
|
|
void ScrollBar::LoseFocus()
|
|
{
|
|
if( mpData )
|
|
mpData->maTimer.Stop();
|
|
ImplDraw( SCRBAR_DRAW_THUMB, this );
|
|
|
|
Control::LoseFocus();
|
|
}
|
|
|
|
void ScrollBar::StateChanged( StateChangedType nType )
|
|
{
|
|
Control::StateChanged( nType );
|
|
|
|
if ( nType == StateChangedType::INITSHOW )
|
|
ImplCalc( false );
|
|
else if ( nType == StateChangedType::DATA )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
ImplCalc( true );
|
|
}
|
|
else if ( nType == StateChangedType::UPDATEMODE )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
{
|
|
ImplCalc( false );
|
|
Invalidate();
|
|
}
|
|
}
|
|
else if ( nType == StateChangedType::ENABLE )
|
|
{
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
Invalidate();
|
|
}
|
|
else if ( nType == StateChangedType::STYLE )
|
|
{
|
|
ImplInitStyle( GetStyle() );
|
|
if ( IsReallyVisible() && IsUpdateMode() )
|
|
{
|
|
if ( (GetPrevStyle() & SCRBAR_VIEW_STYLE) !=
|
|
(GetStyle() & SCRBAR_VIEW_STYLE) )
|
|
{
|
|
mbCalcSize = true;
|
|
ImplCalc( false );
|
|
Invalidate();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ScrollBar::DataChanged( const DataChangedEvent& rDCEvt )
|
|
{
|
|
Control::DataChanged( rDCEvt );
|
|
|
|
if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
|
|
(rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
|
|
{
|
|
mbCalcSize = true;
|
|
ImplCalc( false );
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
Rectangle* ScrollBar::ImplFindPartRect( const Point& rPt )
|
|
{
|
|
bool bHorizontal = ( GetStyle() & WB_HORZ ) != 0;
|
|
bool bIsInside = false;
|
|
|
|
Point aPoint( 0, 0 );
|
|
Rectangle aControlRegion( aPoint, GetOutputSizePixel() );
|
|
|
|
if( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? (IsRTLEnabled()? PART_BUTTON_RIGHT: PART_BUTTON_LEFT): PART_BUTTON_UP,
|
|
aControlRegion, rPt, bIsInside )?
|
|
bIsInside:
|
|
maBtn1Rect.IsInside( rPt ) )
|
|
return &maBtn1Rect;
|
|
else if( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal? (IsRTLEnabled()? PART_BUTTON_LEFT: PART_BUTTON_RIGHT): PART_BUTTON_DOWN,
|
|
aControlRegion, rPt, bIsInside )?
|
|
bIsInside:
|
|
maBtn2Rect.IsInside( rPt ) )
|
|
return &maBtn2Rect;
|
|
// HitTestNativeControl, see remark at top of file
|
|
else if( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal ? PART_TRACK_HORZ_LEFT : PART_TRACK_VERT_UPPER,
|
|
maPage1Rect, rPt, bIsInside)?
|
|
bIsInside:
|
|
maPage1Rect.IsInside( rPt ) )
|
|
return &maPage1Rect;
|
|
// HitTestNativeControl, see remark at top of file
|
|
else if( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal ? PART_TRACK_HORZ_RIGHT : PART_TRACK_VERT_LOWER,
|
|
maPage2Rect, rPt, bIsInside)?
|
|
bIsInside:
|
|
maPage2Rect.IsInside( rPt ) )
|
|
return &maPage2Rect;
|
|
// HitTestNativeControl, see remark at top of file
|
|
else if( HitTestNativeControl( CTRL_SCROLLBAR, bHorizontal ? PART_THUMB_HORZ : PART_THUMB_VERT,
|
|
maThumbRect, rPt, bIsInside)?
|
|
bIsInside:
|
|
maThumbRect.IsInside( rPt ) )
|
|
return &maThumbRect;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
bool ScrollBar::PreNotify( NotifyEvent& rNEvt )
|
|
{
|
|
const MouseEvent* pMouseEvt = NULL;
|
|
|
|
if( (rNEvt.GetType() == MouseNotifyEvent::MOUSEMOVE) && (pMouseEvt = rNEvt.GetMouseEvent()) != NULL )
|
|
{
|
|
if( !pMouseEvt->GetButtons() && !pMouseEvt->IsSynthetic() && !pMouseEvt->IsModifierChanged() )
|
|
{
|
|
// Trigger a redraw if mouse over state has changed
|
|
if( IsNativeControlSupported(CTRL_SCROLLBAR, PART_ENTIRE_CONTROL) )
|
|
{
|
|
Rectangle* pRect = ImplFindPartRect( GetPointerPosPixel() );
|
|
Rectangle* pLastRect = ImplFindPartRect( GetLastPointerPosPixel() );
|
|
if( pRect != pLastRect || pMouseEvt->IsLeaveWindow() || pMouseEvt->IsEnterWindow() )
|
|
{
|
|
vcl::Region aRgn( GetActiveClipRegion() );
|
|
vcl::Region aClipRegion;
|
|
|
|
if ( pRect )
|
|
aClipRegion.Union( *pRect );
|
|
if ( pLastRect )
|
|
aClipRegion.Union( *pLastRect );
|
|
|
|
// Support for 3-button scroll bars
|
|
bool bHas3Buttons = IsNativeControlSupported( CTRL_SCROLLBAR, HAS_THREE_BUTTONS );
|
|
if ( bHas3Buttons && ( pRect == &maBtn1Rect || pLastRect == &maBtn1Rect ) )
|
|
{
|
|
aClipRegion.Union( maBtn2Rect );
|
|
}
|
|
|
|
SetClipRegion( aClipRegion );
|
|
Invalidate(aClipRegion.GetBoundRect());
|
|
|
|
SetClipRegion( aRgn );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return Control::PreNotify(rNEvt);
|
|
}
|
|
|
|
void ScrollBar::Scroll()
|
|
{
|
|
ImplCallEventListenersAndHandler( VCLEVENT_SCROLLBAR_SCROLL, maScrollHdl, this );
|
|
}
|
|
|
|
void ScrollBar::EndScroll()
|
|
{
|
|
ImplCallEventListenersAndHandler( VCLEVENT_SCROLLBAR_ENDSCROLL, maEndScrollHdl, this );
|
|
}
|
|
|
|
long ScrollBar::DoScroll( long nNewPos )
|
|
{
|
|
if ( meScrollType != SCROLL_DONTKNOW )
|
|
return 0;
|
|
|
|
SAL_INFO("vcl.scrollbar", "DoScroll(" << nNewPos << ")");
|
|
meScrollType = SCROLL_DRAG;
|
|
long nDelta = ImplScroll( nNewPos, true );
|
|
meScrollType = SCROLL_DONTKNOW;
|
|
return nDelta;
|
|
}
|
|
|
|
long ScrollBar::DoScrollAction( ScrollType eScrollType )
|
|
{
|
|
if ( (meScrollType != SCROLL_DONTKNOW) ||
|
|
(eScrollType == SCROLL_DONTKNOW) ||
|
|
(eScrollType == SCROLL_DRAG) )
|
|
return 0;
|
|
|
|
meScrollType = eScrollType;
|
|
long nDelta = ImplDoAction( true );
|
|
meScrollType = SCROLL_DONTKNOW;
|
|
return nDelta;
|
|
}
|
|
|
|
void ScrollBar::SetRangeMin( long nNewRange )
|
|
{
|
|
SetRange( Range( nNewRange, GetRangeMax() ) );
|
|
}
|
|
|
|
void ScrollBar::SetRangeMax( long nNewRange )
|
|
{
|
|
SetRange( Range( GetRangeMin(), nNewRange ) );
|
|
}
|
|
|
|
void ScrollBar::SetRange( const Range& rRange )
|
|
{
|
|
// Adapt Range
|
|
Range aRange = rRange;
|
|
aRange.Justify();
|
|
long nNewMinRange = aRange.Min();
|
|
long nNewMaxRange = aRange.Max();
|
|
|
|
// If Range differs, set a new one
|
|
if ( (mnMinRange != nNewMinRange) ||
|
|
(mnMaxRange != nNewMaxRange) )
|
|
{
|
|
mnMinRange = nNewMinRange;
|
|
mnMaxRange = nNewMaxRange;
|
|
|
|
// Adapt Thumb
|
|
if ( mnThumbPos > mnMaxRange-mnVisibleSize )
|
|
mnThumbPos = mnMaxRange-mnVisibleSize;
|
|
if ( mnThumbPos < mnMinRange )
|
|
mnThumbPos = mnMinRange;
|
|
|
|
StateChanged( StateChangedType::DATA );
|
|
}
|
|
}
|
|
|
|
void ScrollBar::SetThumbPos( long nNewThumbPos )
|
|
{
|
|
if ( nNewThumbPos > mnMaxRange-mnVisibleSize )
|
|
nNewThumbPos = mnMaxRange-mnVisibleSize;
|
|
if ( nNewThumbPos < mnMinRange )
|
|
nNewThumbPos = mnMinRange;
|
|
|
|
if ( mnThumbPos != nNewThumbPos )
|
|
{
|
|
mnThumbPos = nNewThumbPos;
|
|
StateChanged( StateChangedType::DATA );
|
|
}
|
|
}
|
|
|
|
void ScrollBar::SetVisibleSize( long nNewSize )
|
|
{
|
|
if ( mnVisibleSize != nNewSize )
|
|
{
|
|
mnVisibleSize = nNewSize;
|
|
|
|
// Adapt Thumb
|
|
if ( mnThumbPos > mnMaxRange-mnVisibleSize )
|
|
mnThumbPos = mnMaxRange-mnVisibleSize;
|
|
if ( mnThumbPos < mnMinRange )
|
|
mnThumbPos = mnMinRange;
|
|
StateChanged( StateChangedType::DATA );
|
|
}
|
|
}
|
|
|
|
Size ScrollBar::GetOptimalSize() const
|
|
{
|
|
if (mbCalcSize)
|
|
const_cast<ScrollBar*>(this)->ImplCalc(false);
|
|
|
|
Size aRet = getCurrentCalcSize();
|
|
|
|
const long nMinThumbSize = GetSettings().GetStyleSettings().GetMinThumbSize();
|
|
|
|
if (GetStyle() & WB_HORZ)
|
|
{
|
|
aRet.Width() = maBtn1Rect.GetWidth() + nMinThumbSize + maBtn2Rect.GetWidth();
|
|
}
|
|
else
|
|
{
|
|
aRet.Height() = maBtn1Rect.GetHeight() + nMinThumbSize + maBtn2Rect.GetHeight();
|
|
}
|
|
|
|
return aRet;
|
|
}
|
|
|
|
Size ScrollBar::getCurrentCalcSize() const
|
|
{
|
|
Rectangle aCtrlRegion;
|
|
aCtrlRegion.Union(maBtn1Rect);
|
|
aCtrlRegion.Union(maBtn2Rect);
|
|
aCtrlRegion.Union(maPage1Rect);
|
|
aCtrlRegion.Union(maPage2Rect);
|
|
aCtrlRegion.Union(maThumbRect);
|
|
return aCtrlRegion.GetSize();
|
|
}
|
|
|
|
void ScrollBarBox::ImplInit( vcl::Window* pParent, WinBits nStyle )
|
|
{
|
|
Window::ImplInit( pParent, nStyle, NULL );
|
|
|
|
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
|
|
long nScrollSize = rStyleSettings.GetScrollBarSize();
|
|
SetSizePixel( Size( nScrollSize, nScrollSize ) );
|
|
ImplInitSettings();
|
|
}
|
|
|
|
ScrollBarBox::ScrollBarBox( vcl::Window* pParent, WinBits nStyle ) :
|
|
Window( WINDOW_SCROLLBARBOX )
|
|
{
|
|
ImplInit( pParent, nStyle );
|
|
}
|
|
|
|
void ScrollBarBox::ImplInitSettings()
|
|
{
|
|
// FIXME: Hack so that we can build DockingWindows even without background
|
|
// and not everything has been switched over yet
|
|
if ( IsBackground() )
|
|
{
|
|
Color aColor;
|
|
if ( IsControlBackground() )
|
|
aColor = GetControlBackground();
|
|
else
|
|
aColor = GetSettings().GetStyleSettings().GetFaceColor();
|
|
SetBackground( aColor );
|
|
}
|
|
}
|
|
|
|
void ScrollBarBox::StateChanged( StateChangedType nType )
|
|
{
|
|
Window::StateChanged( nType );
|
|
|
|
if ( nType == StateChangedType::CONTROLBACKGROUND )
|
|
{
|
|
ImplInitSettings();
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
void ScrollBarBox::DataChanged( const DataChangedEvent& rDCEvt )
|
|
{
|
|
Window::DataChanged( rDCEvt );
|
|
|
|
if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
|
|
(rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
|
|
{
|
|
ImplInitSettings();
|
|
Invalidate();
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|