/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svtools/headbar.hxx>
#include <vclxaccessibleheaderbar.hxx>
#include <tools/debug.hxx>
#include <vcl/svapp.hxx>
#include <vcl/help.hxx>
#include <vcl/image.hxx>
#include <vcl/salnativewidgets.hxx>
#include <vcl/settings.hxx>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
class ImplHeadItem
{
public:
sal_uInt16 mnId;
HeaderBarItemBits mnBits;
long mnSize;
OString maHelpId;
Image maImage;
OUString maOutText;
OUString maText;
OUString maHelpText;
};
#define HEAD_ARROWSIZE1 4
#define HEAD_ARROWSIZE2 7
#define HEADERBAR_TEXTOFF 2
#define HEADERBAR_ARROWOFF 5
#define HEADERBAR_SPLITOFF 3
#define HEADERBAR_DRAGOUTOFF 15
#define HEAD_HITTEST_ITEM (sal_uInt16(0x0001))
#define HEAD_HITTEST_DIVIDER (sal_uInt16(0x0002))
void HeaderBar::ImplInit( WinBits nWinStyle )
{
mnBorderOff1 = 0;
mnBorderOff2 = 0;
mnOffset = 0;
mnDX = 0;
mnDY = 0;
mnDragSize = 0;
mnStartPos = 0;
mnDragPos = 0;
mnMouseOff = 0;
mnCurItemId = 0;
mnItemDragPos = HEADERBAR_ITEM_NOTFOUND;
mbDrag = false;
mbItemDrag = false;
mbOutDrag = false;
mbItemMode = false;
// evaluate StyleBits
if ( nWinStyle & WB_DRAG )
mbDragable = true;
else
mbDragable = false;
if ( nWinStyle & WB_BUTTONSTYLE )
mbButtonStyle = true;
else
mbButtonStyle = false;
if ( nWinStyle & WB_BORDER )
{
mnBorderOff1 = 1;
mnBorderOff2 = 1;
}
else
{
if ( nWinStyle & WB_BOTTOMBORDER )
mnBorderOff2 = 1;
}
ImplInitSettings( true, true, true );
}
HeaderBar::HeaderBar( vcl::Window* pParent, WinBits nWinStyle ) :
Window( pParent, nWinStyle & WB_3DLOOK )
{
ImplInit( nWinStyle );
SetSizePixel( CalcWindowSizePixel() );
}
HeaderBar::~HeaderBar() = default;
void HeaderBar::ApplySettings(vcl::RenderContext& rRenderContext)
{
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
ApplyControlFont(rRenderContext, rStyleSettings.GetToolFont());
ApplyControlForeground(rRenderContext, rStyleSettings.GetButtonTextColor());
SetTextFillColor();
ApplyControlBackground(rRenderContext, rStyleSettings.GetFaceColor());
}
void HeaderBar::ImplInitSettings(bool bFont, bool bForeground, bool bBackground)
{
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
if (bFont)
ApplyControlFont(*this, rStyleSettings.GetToolFont());
if (bForeground || bFont)
{
ApplyControlForeground(*this, rStyleSettings.GetButtonTextColor());
SetTextFillColor();
}
if (bBackground)
ApplyControlBackground(*this, rStyleSettings.GetFaceColor());
}
long HeaderBar::ImplGetItemPos( sal_uInt16 nPos ) const
{
long nX = -mnOffset;
for ( size_t i = 0; i < nPos; i++ )
nX += mvItemList[ i ]->mnSize;
return nX;
}
tools::Rectangle HeaderBar::ImplGetItemRect( sal_uInt16 nPos ) const
{
tools::Rectangle aRect( ImplGetItemPos( nPos ), 0, 0, mnDY-1 );
aRect.SetRight( aRect.Left() + mvItemList[ nPos ]->mnSize - 1 );
// check for overflow on various systems
if ( aRect.Right() > 16000 )
aRect.SetRight( 16000 );
return aRect;
}
sal_uInt16 HeaderBar::ImplHitTest( const Point& rPos,
long& nMouseOff, sal_uInt16& nPos ) const
{
size_t nCount = static_cast<sal_uInt16>(mvItemList.size());
bool bLastFixed = true;
long nX = -mnOffset;
for ( size_t i = 0; i < nCount; i++ )
{
auto& pItem = mvItemList[ i ];
if ( rPos.X() < (nX+pItem->mnSize) )
{
sal_uInt16 nMode;
if ( !bLastFixed && (rPos.X() < (nX+HEADERBAR_SPLITOFF)) )
{
nMode = HEAD_HITTEST_DIVIDER;
nPos = i-1;
nMouseOff = rPos.X()-nX+1;
}
else
{
nPos = i;
if ( !(pItem->mnBits & HeaderBarItemBits::FIXED) && (rPos.X() >= (nX+pItem->mnSize-HEADERBAR_SPLITOFF)) )
{
nMode = HEAD_HITTEST_DIVIDER;
nMouseOff = rPos.X()-(nX+pItem->mnSize);
}
else
{
nMode = HEAD_HITTEST_ITEM;
nMouseOff = rPos.X()-nX;
}
}
return nMode;
}
bLastFixed = static_cast<bool>(pItem->mnBits & HeaderBarItemBits::FIXED);
nX += pItem->mnSize;
}
if ( !bLastFixed )
{
auto& pItem = mvItemList[ nCount-1 ];
if ( (pItem->mnSize < 4) && (rPos.X() < (nX+HEADERBAR_SPLITOFF)) )
{
nPos = nCount-1;
nMouseOff = rPos.X()-nX+1;
return HEAD_HITTEST_DIVIDER;
}
}
return 0;
}
void HeaderBar::ImplInvertDrag( sal_uInt16 nStartPos, sal_uInt16 nEndPos )
{
tools::Rectangle aRect1 = ImplGetItemRect( nStartPos );
tools::Rectangle aRect2 = ImplGetItemRect( nEndPos );
Point aStartPos = aRect1.Center();
Point aEndPos = aStartPos;
tools::Rectangle aStartRect( aStartPos.X()-2, aStartPos.Y()-2,
aStartPos.X()+2, aStartPos.Y()+2 );
if ( nEndPos > nStartPos )
{
aStartPos.AdjustX(3 );
aEndPos.setX( aRect2.Right()-6 );
}
else
{
aStartPos.AdjustX( -3 );
aEndPos.setX( aRect2.Left()+6 );
}
SetRasterOp( RasterOp::Invert );
DrawRect( aStartRect );
DrawLine( aStartPos, aEndPos );
if ( nEndPos > nStartPos )
{
DrawLine( Point( aEndPos.X()+1, aEndPos.Y()-3 ),
Point( aEndPos.X()+1, aEndPos.Y()+3 ) );
DrawLine( Point( aEndPos.X()+2, aEndPos.Y()-2 ),
Point( aEndPos.X()+2, aEndPos.Y()+2 ) );
DrawLine( Point( aEndPos.X()+3, aEndPos.Y()-1 ),
Point( aEndPos.X()+3, aEndPos.Y()+1 ) );
DrawPixel( Point( aEndPos.X()+4, aEndPos.Y() ) );
}
else
{
DrawLine( Point( aEndPos.X()-1, aEndPos.Y()-3 ),
Point( aEndPos.X()-1, aEndPos.Y()+3 ) );
DrawLine( Point( aEndPos.X()-2, aEndPos.Y()-2 ),
Point( aEndPos.X()-2, aEndPos.Y()+2 ) );
DrawLine( Point( aEndPos.X()-3, aEndPos.Y()-1 ),
Point( aEndPos.X()-3, aEndPos.Y()+1 ) );
DrawPixel( Point( aEndPos.X()-4, aEndPos.Y() ) );
}
SetRasterOp( RasterOp::OverPaint );
}
void HeaderBar::ImplDrawItem(vcl::RenderContext& rRenderContext, sal_uInt16 nPos, bool bHigh,
const tools::Rectangle& rItemRect, const tools::Rectangle* pRect )
{
ImplControlValue aControlValue(0);
tools::Rectangle aCtrlRegion;
ControlState nState(ControlState::NONE);
tools::Rectangle aRect = rItemRect;
// do not display if there is no space
if (aRect.GetWidth() <= 1)
return;
// check of rectangle is visible
if (pRect)
{
if (aRect.Right() < pRect->Left())
return;
else if (aRect.Left() > pRect->Right())
return;
}
else
{
if (aRect.Right() < 0)
return;
else if (aRect.Left() > mnDX)
return;
}
auto& pItem = mvItemList[nPos];
HeaderBarItemBits nBits = pItem->mnBits;
const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
if (rRenderContext.IsNativeControlSupported(ControlType::WindowBackground, ControlPart::Entire))
{
aCtrlRegion = aRect;
rRenderContext.DrawNativeControl(ControlType::WindowBackground, ControlPart::Entire,
aCtrlRegion, nState, aControlValue, OUString());
}
else
{
// do not draw border
aRect.AdjustTop(mnBorderOff1 );
aRect.AdjustBottom( -(mnBorderOff2) );
// delete background
if ( !pRect )
{
rRenderContext.DrawWallpaper(aRect, rRenderContext.GetBackground());
}
}
Color aSelectionTextColor(COL_TRANSPARENT);
if (rRenderContext.IsNativeControlSupported(ControlType::ListHeader, ControlPart::Button))
{
aCtrlRegion = aRect;
aControlValue.setTristateVal(ButtonValue::On);
nState |= ControlState::ENABLED;
if (bHigh)
nState |= ControlState::PRESSED;
rRenderContext.DrawNativeControl(ControlType::ListHeader, ControlPart::Button,
aCtrlRegion, nState, aControlValue, OUString());
}
else
{
// draw separation line
rRenderContext.SetLineColor(rStyleSettings.GetDarkShadowColor());
rRenderContext.DrawLine(Point(aRect.Right(), aRect.Top()), Point(aRect.Right(), aRect.Bottom()));
// draw ButtonStyle
// avoid 3D borders
if (bHigh)
vcl::RenderTools::DrawSelectionBackground(rRenderContext, *this, aRect, 1, true, false, false, &aSelectionTextColor);
else if (!mbButtonStyle || (nBits & HeaderBarItemBits::FLAT))
vcl::RenderTools::DrawSelectionBackground(rRenderContext, *this, aRect, 0, true, false, false, &aSelectionTextColor);
}
// do not draw if there is no space
if (aRect.GetWidth() < 1)
return;
// calculate size and position and draw content
pItem->maOutText = pItem->maText;
Size aImageSize = pItem->maImage.GetSizePixel();
Size aTxtSize(rRenderContext.GetTextWidth(pItem->maOutText), 0);
if (!pItem->maOutText.isEmpty())
aTxtSize.setHeight( rRenderContext.GetTextHeight() );
long nArrowWidth = 0;
if (nBits & (HeaderBarItemBits::UPARROW | HeaderBarItemBits::DOWNARROW))
nArrowWidth = HEAD_ARROWSIZE2 + HEADERBAR_ARROWOFF;
// do not draw if there is not enough space for the image
long nTestHeight = aImageSize.Height();
if (!(nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)))
nTestHeight += aTxtSize.Height();
if ((aImageSize.Width() > aRect.GetWidth()) || (nTestHeight > aRect.GetHeight()))
{
aImageSize.setWidth( 0 );
aImageSize.setHeight( 0 );
}
// cut text to correct length
bool bLeftText = false;
long nMaxTxtWidth = aRect.GetWidth() - (HEADERBAR_TEXTOFF * 2) - nArrowWidth;
if (nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE))
nMaxTxtWidth -= aImageSize.Width();
long nTxtWidth = aTxtSize.Width();
if (nTxtWidth > nMaxTxtWidth)
{
bLeftText = true;
OUStringBuffer aBuf(pItem->maOutText);
aBuf.append("...");
do
{
aBuf.remove(aBuf.getLength() - 3 - 1, 1);
nTxtWidth = rRenderContext.GetTextWidth(aBuf.toString());
}
while ((nTxtWidth > nMaxTxtWidth) && (aBuf.getLength() > 3));
pItem->maOutText = aBuf.makeStringAndClear();
if (pItem->maOutText.getLength() == 3)
{
nTxtWidth = 0;
pItem->maOutText.clear();
}
}
// calculate text/imageposition
long nTxtPos;
if (!bLeftText && (nBits & HeaderBarItemBits::RIGHT))
{
nTxtPos = aRect.Right() - nTxtWidth - HEADERBAR_TEXTOFF;
if (nBits & HeaderBarItemBits::RIGHTIMAGE)
nTxtPos -= aImageSize.Width();
}
else if (!bLeftText && (nBits & HeaderBarItemBits::CENTER))
{
long nTempWidth = nTxtWidth;
if (nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE))
nTempWidth += aImageSize.Width();
nTxtPos = aRect.Left() + (aRect.GetWidth() - nTempWidth) / 2;
if (nBits & HeaderBarItemBits::LEFTIMAGE)
nTxtPos += aImageSize.Width();
if (nArrowWidth)
{
if (nTxtPos + nTxtWidth + nArrowWidth >= aRect.Right())
{
nTxtPos = aRect.Left() + HEADERBAR_TEXTOFF;
if (nBits & HeaderBarItemBits::LEFTIMAGE)
nTxtPos += aImageSize.Width();
}
}
}
else
{
nTxtPos = aRect.Left() + HEADERBAR_TEXTOFF;
if (nBits & HeaderBarItemBits::LEFTIMAGE)
nTxtPos += aImageSize.Width();
if (nBits & HeaderBarItemBits::RIGHT)
nTxtPos += nArrowWidth;
}
// calculate text/imageposition
long nTxtPosY = 0;
if (!pItem->maOutText.isEmpty() || (nArrowWidth && aTxtSize.Height()))
{
if (nBits & HeaderBarItemBits::TOP)
{
nTxtPosY = aRect.Top();
if (!(nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)))
nTxtPosY += aImageSize.Height();
}
else if (nBits & HeaderBarItemBits::BOTTOM)
nTxtPosY = aRect.Bottom()-aTxtSize.Height();
else
{
long nTempHeight = aTxtSize.Height();
nTempHeight += aImageSize.Height();
nTxtPosY = aRect.Top()+((aRect.GetHeight()-nTempHeight)/2);
if (!(nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)))
nTxtPosY += aImageSize.Height();
}
}
// display text
if (!pItem->maOutText.isEmpty())
{
if (aSelectionTextColor != COL_TRANSPARENT)
{
rRenderContext.Push(PushFlags::TEXTCOLOR);
rRenderContext.SetTextColor(aSelectionTextColor);
}
if (IsEnabled())
rRenderContext.DrawText(Point(nTxtPos, nTxtPosY), pItem->maOutText);
else
rRenderContext.DrawCtrlText(Point(nTxtPos, nTxtPosY), pItem->maOutText, 0, pItem->maOutText.getLength(), DrawTextFlags::Disable);
if (aSelectionTextColor != COL_TRANSPARENT)
rRenderContext.Pop();
}
// calculate the position and draw image if it is available
long nImagePosY = 0;
if (aImageSize.Width() && aImageSize.Height())
{
long nImagePos = nTxtPos;
if (nBits & HeaderBarItemBits::LEFTIMAGE)
{
nImagePos -= aImageSize.Width();
if (nBits & HeaderBarItemBits::RIGHT)
nImagePos -= nArrowWidth;
}
else if (nBits & HeaderBarItemBits::RIGHTIMAGE)
{
nImagePos += nTxtWidth;
if (!(nBits & HeaderBarItemBits::RIGHT))
nImagePos += nArrowWidth;
}
else
{
if (nBits & HeaderBarItemBits::RIGHT )
nImagePos = aRect.Right()-aImageSize.Width();
else if (nBits & HeaderBarItemBits::CENTER)
nImagePos = aRect.Left() + (aRect.GetWidth() - aImageSize.Width()) / 2;
else
nImagePos = aRect.Left() + HEADERBAR_TEXTOFF;
}
if (nBits & HeaderBarItemBits::TOP)
nImagePosY = aRect.Top();
else if (nBits & HeaderBarItemBits::BOTTOM)
{
nImagePosY = aRect.Bottom() - aImageSize.Height();
if (!(nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)))
nImagePosY -= aTxtSize.Height();
}
else
{
long nTempHeight = aImageSize.Height();
if (!(nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)))
nTempHeight += aTxtSize.Height();
nImagePosY = aRect.Top() + ((aRect.GetHeight() - nTempHeight) / 2);
}
if (nImagePos + aImageSize.Width() <= aRect.Right())
{
DrawImageFlags nStyle = DrawImageFlags::NONE;
if (!IsEnabled())
nStyle |= DrawImageFlags::Disable;
rRenderContext.DrawImage(Point(nImagePos, nImagePosY), pItem->maImage, nStyle);
}
}
if (!(nBits & (HeaderBarItemBits::UPARROW | HeaderBarItemBits::DOWNARROW)))
return;
long nArrowX = nTxtPos;
if (nBits & HeaderBarItemBits::RIGHT)
nArrowX -= nArrowWidth;
else
nArrowX += nTxtWidth + HEADERBAR_ARROWOFF;
if (!(nBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)) && pItem->maText.isEmpty())
{
if (nBits & HeaderBarItemBits::RIGHT)
nArrowX -= aImageSize.Width();
else
nArrowX += aImageSize.Width();
}
// is there enough space to draw the item?
bool bDraw = true;
if (nArrowX < aRect.Left() + HEADERBAR_TEXTOFF)
bDraw = false;
else if (nArrowX + HEAD_ARROWSIZE2 > aRect.Right())
bDraw = false;
if (!bDraw)
return;
if (rRenderContext.IsNativeControlSupported(ControlType::ListHeader, ControlPart::Arrow))
{
aCtrlRegion = tools::Rectangle(Point(nArrowX, aRect.Top()), Size(nArrowWidth, aRect.GetHeight()));
// control value passes 1 if arrow points down, 0 otherwise
aControlValue.setNumericVal((nBits & HeaderBarItemBits::DOWNARROW) ? 1 : 0);
nState |= ControlState::ENABLED;
if (bHigh)
nState |= ControlState::PRESSED;
rRenderContext.DrawNativeControl(ControlType::ListHeader, ControlPart::Arrow, aCtrlRegion,
nState, aControlValue, OUString());
}
else
{
long nArrowY;
if (aTxtSize.Height())
nArrowY = nTxtPosY + (aTxtSize.Height() / 2);
else if (aImageSize.Width() && aImageSize.Height())
nArrowY = nImagePosY + (aImageSize.Height() / 2);
else
{
if (nBits & HeaderBarItemBits::TOP)
nArrowY = aRect.Top() + 1;
else if (nBits & HeaderBarItemBits::BOTTOM)
nArrowY = aRect.Bottom() - HEAD_ARROWSIZE2 - 1;
else
nArrowY = aRect.Top() + ((aRect.GetHeight() - HEAD_ARROWSIZE2) / 2);
}
nArrowY -= HEAD_ARROWSIZE1 - 1;
if (nBits & HeaderBarItemBits::DOWNARROW)
{
rRenderContext.SetLineColor(rStyleSettings.GetLightColor());
rRenderContext.DrawLine(Point(nArrowX, nArrowY),
Point(nArrowX + HEAD_ARROWSIZE2, nArrowY));
rRenderContext.DrawLine(Point(nArrowX, nArrowY),
Point(nArrowX + HEAD_ARROWSIZE1, nArrowY + HEAD_ARROWSIZE2));
rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
rRenderContext.DrawLine(Point(nArrowX + HEAD_ARROWSIZE1, nArrowY + HEAD_ARROWSIZE2),
Point(nArrowX + HEAD_ARROWSIZE2, nArrowY));
}
else
{
rRenderContext.SetLineColor(rStyleSettings.GetLightColor());
rRenderContext.DrawLine(Point(nArrowX, nArrowY + HEAD_ARROWSIZE2),
Point(nArrowX + HEAD_ARROWSIZE1, nArrowY));
rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
rRenderContext.DrawLine(Point(nArrowX, nArrowY + HEAD_ARROWSIZE2),
Point(nArrowX + HEAD_ARROWSIZE2, nArrowY + HEAD_ARROWSIZE2));
rRenderContext.DrawLine(Point(nArrowX + HEAD_ARROWSIZE2, nArrowY + HEAD_ARROWSIZE2),
Point(nArrowX + HEAD_ARROWSIZE1, nArrowY));
}
}
}
void HeaderBar::ImplDrawItem(vcl::RenderContext& rRenderContext, sal_uInt16 nPos,
bool bHigh, const tools::Rectangle* pRect )
{
tools::Rectangle aRect = ImplGetItemRect(nPos);
ImplDrawItem(rRenderContext, nPos, bHigh, aRect, pRect );
}
void HeaderBar::ImplUpdate(sal_uInt16 nPos, bool bEnd)
{
if (!(IsVisible() && IsUpdateMode()))
return;
tools::Rectangle aRect;
size_t nItemCount = mvItemList.size();
if (nPos < nItemCount)
aRect = ImplGetItemRect(nPos);
else
{
aRect.SetBottom( mnDY - 1 );
if (nItemCount)
aRect.SetLeft( ImplGetItemRect(nItemCount - 1).Right() );
}
if (bEnd)
aRect.SetRight( mnDX - 1 );
aRect.AdjustTop(mnBorderOff1 );
aRect.AdjustBottom( -(mnBorderOff2) );
Invalidate(aRect);
}
void HeaderBar::ImplStartDrag( const Point& rMousePos, bool bCommand )
{
sal_uInt16 nPos;
sal_uInt16 nHitTest = ImplHitTest( rMousePos, mnMouseOff, nPos );
if ( !nHitTest )
return;
mbDrag = false;
auto& pItem = mvItemList[ nPos ];
if ( nHitTest & HEAD_HITTEST_DIVIDER )
mbDrag = true;
else
{
if ( ((pItem->mnBits & HeaderBarItemBits::CLICKABLE) && !(pItem->mnBits & HeaderBarItemBits::FLAT)) ||
(mbDragable && !(pItem->mnBits & HeaderBarItemBits::FIXEDPOS)) )
{
mbItemMode = true;
mbDrag = true;
if ( bCommand )
{
if ( mbDragable )
mbItemDrag = true;
else
{
mbItemMode = false;
mbDrag = false;
}
}
}
else
{
if ( !bCommand )
{
mnCurItemId = pItem->mnId;
Select();
mnCurItemId = 0;
}
}
}
if ( mbDrag )
{
mbOutDrag = false;
mnCurItemId = pItem->mnId;
mnItemDragPos = nPos;
StartTracking();
mnStartPos = rMousePos.X()-mnMouseOff;
mnDragPos = mnStartPos;
maStartDragHdl.Call( this );
if (mbItemMode)
Invalidate();
else
{
tools::Rectangle aSizeRect( mnDragPos, 0, mnDragPos, mnDragSize+mnDY );
ShowTracking( aSizeRect, ShowTrackFlags::Split );
}
}
else
mnMouseOff = 0;
}
void HeaderBar::ImplDrag( const Point& rMousePos )
{
sal_uInt16 nPos = GetItemPos( mnCurItemId );
mnDragPos = rMousePos.X()-mnMouseOff;
if ( mbItemMode )
{
bool bNewOutDrag;
tools::Rectangle aItemRect = ImplGetItemRect( nPos );
bNewOutDrag = !aItemRect.IsInside( rMousePos );
// if needed switch on ItemDrag
if ( bNewOutDrag && mbDragable && !mbItemDrag &&
!(mvItemList[ nPos ]->mnBits & HeaderBarItemBits::FIXEDPOS) )
{
if ( (rMousePos.Y() >= aItemRect.Top()) && (rMousePos.Y() <= aItemRect.Bottom()) )
{
mbItemDrag = true;
Invalidate();
}
}
sal_uInt16 nOldItemDragPos = mnItemDragPos;
if ( mbItemDrag )
{
bNewOutDrag = (rMousePos.Y() < -HEADERBAR_DRAGOUTOFF) || (rMousePos.Y() > mnDY+HEADERBAR_DRAGOUTOFF);
if ( bNewOutDrag )
mnItemDragPos = HEADERBAR_ITEM_NOTFOUND;
else
{
sal_uInt16 nTempId = GetItemId( Point( rMousePos.X(), 2 ) );
if ( nTempId )
mnItemDragPos = GetItemPos( nTempId );
else
{
if ( rMousePos.X() <= 0 )
mnItemDragPos = 0;
else
mnItemDragPos = GetItemCount()-1;
}
// do not use non-movable items
if ( mnItemDragPos < nPos )
{
while ( (mvItemList[ mnItemDragPos ]->mnBits & HeaderBarItemBits::FIXEDPOS) &&
(mnItemDragPos < nPos) )
mnItemDragPos++;
}
else if ( mnItemDragPos > nPos )
{
while ( (mvItemList[ mnItemDragPos ]->mnBits & HeaderBarItemBits::FIXEDPOS) &&
(mnItemDragPos > nPos) )
mnItemDragPos--;
}
}
if ( (mnItemDragPos != nOldItemDragPos) &&
(nOldItemDragPos != nPos) &&
(nOldItemDragPos != HEADERBAR_ITEM_NOTFOUND) )
{
ImplInvertDrag( nPos, nOldItemDragPos );
Invalidate();
}
}
if ( bNewOutDrag != mbOutDrag )
Invalidate();
if ( mbItemDrag )
{
if ( (mnItemDragPos != nOldItemDragPos) &&
(mnItemDragPos != nPos) &&
(mnItemDragPos != HEADERBAR_ITEM_NOTFOUND) )
{
Invalidate();
ImplInvertDrag( nPos, mnItemDragPos );
}
}
mbOutDrag = bNewOutDrag;
}
else
{
tools::Rectangle aItemRect = ImplGetItemRect( nPos );
if ( mnDragPos < aItemRect.Left() )
mnDragPos = aItemRect.Left();
if ( (mnDragPos < 0) || (mnDragPos > mnDX-1) )
HideTracking();
else
{
tools::Rectangle aSizeRect( mnDragPos, 0, mnDragPos, mnDragSize+mnDY );
ShowTracking( aSizeRect, ShowTrackFlags::Split );
}
}
maDragHdl.Call( this );
}
void HeaderBar::ImplEndDrag( bool bCancel )
{
HideTracking();
if ( bCancel || mbOutDrag )
{
if ( mbItemMode && (!mbOutDrag || mbItemDrag) )
{
Invalidate();
}
mnCurItemId = 0;
}
else
{
sal_uInt16 nPos = GetItemPos( mnCurItemId );
if ( mbItemMode )
{
if ( mbItemDrag )
{
Pointer aPointer( PointerStyle::Arrow );
SetPointer( aPointer );
if ( (mnItemDragPos != nPos) &&
(mnItemDragPos != HEADERBAR_ITEM_NOTFOUND) )
{
ImplInvertDrag( nPos, mnItemDragPos );
MoveItem( mnCurItemId, mnItemDragPos );
}
else
Invalidate();
}
else
{
Select();
ImplUpdate( nPos );
}
}
else
{
long nDelta = mnDragPos - mnStartPos;
if ( nDelta )
{
auto& pItem = mvItemList[ nPos ];
pItem->mnSize += nDelta;
ImplUpdate( nPos, true );
}
}
}
mbDrag = false;
EndDrag();
mnCurItemId = 0;
mnItemDragPos = HEADERBAR_ITEM_NOTFOUND;
mbOutDrag = false;
mbItemMode = false;
mbItemDrag = false;
}
void HeaderBar::MouseButtonDown( const MouseEvent& rMEvt )
{
if ( !rMEvt.IsLeft() )
return;
if ( rMEvt.GetClicks() == 2 )
{
long nTemp;
sal_uInt16 nPos;
sal_uInt16 nHitTest = ImplHitTest( rMEvt.GetPosPixel(), nTemp, nPos );
if ( nHitTest )
{
auto& pItem = mvItemList[ nPos ];
if ( nHitTest & HEAD_HITTEST_DIVIDER )
mbItemMode = false;
else
mbItemMode = true;
mnCurItemId = pItem->mnId;
DoubleClick();
mbItemMode = false;
mnCurItemId = 0;
}
}
else
ImplStartDrag( rMEvt.GetPosPixel(), false );
}
void HeaderBar::MouseMove( const MouseEvent& rMEvt )
{
long nTemp1;
sal_uInt16 nTemp2;
PointerStyle eStyle = PointerStyle::Arrow;
sal_uInt16 nHitTest = ImplHitTest( rMEvt.GetPosPixel(), nTemp1, nTemp2 );
if ( nHitTest & HEAD_HITTEST_DIVIDER )
eStyle = PointerStyle::HSizeBar;
Pointer aPtr( eStyle );
SetPointer( aPtr );
}
void HeaderBar::Tracking( const TrackingEvent& rTEvt )
{
Point aMousePos = rTEvt.GetMouseEvent().GetPosPixel();
if ( rTEvt.IsTrackingEnded() )
ImplEndDrag( rTEvt.IsTrackingCanceled() );
else
ImplDrag( aMousePos );
}
void HeaderBar::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
{
if (mnBorderOff1 || mnBorderOff2)
{
rRenderContext.SetLineColor(rRenderContext.GetSettings().GetStyleSettings().GetDarkShadowColor());
if (mnBorderOff1)
rRenderContext.DrawLine(Point(0, 0), Point(mnDX - 1, 0));
if (mnBorderOff2)
rRenderContext.DrawLine(Point(0, mnDY - 1), Point(mnDX - 1, mnDY - 1));
// #i40393# draw left and right border, if WB_BORDER was set in ImplInit()
if (mnBorderOff1 && mnBorderOff2)
{
rRenderContext.DrawLine(Point(0, 0), Point(0, mnDY - 1));
rRenderContext.DrawLine(Point(mnDX - 1, 0), Point(mnDX - 1, mnDY - 1));
}
}
sal_uInt16 nCurItemPos;
if (mbDrag)
nCurItemPos = GetItemPos(mnCurItemId);
else
nCurItemPos = HEADERBAR_ITEM_NOTFOUND;
sal_uInt16 nItemCount = static_cast<sal_uInt16>(mvItemList.size());
for (sal_uInt16 i = 0; i < nItemCount; i++)
ImplDrawItem(rRenderContext, i, (i == nCurItemPos), &rRect);
}
void HeaderBar::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize,
DrawFlags nFlags )
{
Point aPos = pDev->LogicToPixel( rPos );
Size aSize = pDev->LogicToPixel( rSize );
tools::Rectangle aRect( aPos, aSize );
vcl::Font aFont = GetDrawPixelFont( pDev );
pDev->Push();
pDev->SetMapMode();
pDev->SetFont( aFont );
if ( nFlags & DrawFlags::Mono )
pDev->SetTextColor( COL_BLACK );
else
pDev->SetTextColor( GetTextColor() );
pDev->SetTextFillColor();
if ( !(nFlags & DrawFlags::NoBackground) )
{
pDev->DrawWallpaper( aRect, GetBackground() );
if ( mnBorderOff1 || mnBorderOff2 )
{
pDev->SetLineColor( GetSettings().GetStyleSettings().GetDarkShadowColor() );
if ( mnBorderOff1 )
pDev->DrawLine( aRect.TopLeft(), Point( aRect.Right(), aRect.Top() ) );
if ( mnBorderOff2 )
pDev->DrawLine( Point( aRect.Left(), aRect.Bottom() ), Point( aRect.Right(), aRect.Bottom() ) );
// #i40393# draw left and right border, if WB_BORDER was set in ImplInit()
if ( mnBorderOff1 && mnBorderOff2 )
{
pDev->DrawLine( aRect.TopLeft(), Point( aRect.Left(), aRect.Bottom() ) );
pDev->DrawLine( Point( aRect.Right(), aRect.Top() ), Point( aRect.Right(), aRect.Bottom() ) );
}
}
}
tools::Rectangle aItemRect( aRect );
size_t nItemCount = mvItemList.size();
for ( size_t i = 0; i < nItemCount; i++ )
{
aItemRect.SetLeft( aRect.Left()+ImplGetItemPos( i ) );
aItemRect.SetRight( aItemRect.Left() + mvItemList[ i ]->mnSize - 1 );
// check for overflow on some systems
if ( aItemRect.Right() > 16000 )
aItemRect.SetRight( 16000 );
vcl::Region aRegion( aRect );
pDev->SetClipRegion( aRegion );
ImplDrawItem(*pDev, i, false, aItemRect, &aRect );
pDev->SetClipRegion();
}
pDev->Pop();
}
void HeaderBar::Resize()
{
Size aSize = GetOutputSizePixel();
if ( IsVisible() && (mnDY != aSize.Height()) )
Invalidate();
mnDX = aSize.Width();
mnDY = aSize.Height();
}
void HeaderBar::Command( const CommandEvent& rCEvt )
{
if ( rCEvt.IsMouseEvent() && (rCEvt.GetCommand() == CommandEventId::StartDrag) && !mbDrag )
{
ImplStartDrag( rCEvt.GetMousePosPixel(), true );
return;
}
Window::Command( rCEvt );
}
void HeaderBar::RequestHelp( const HelpEvent& rHEvt )
{
sal_uInt16 nItemId = GetItemId( ScreenToOutputPixel( rHEvt.GetMousePosPixel() ) );
if ( nItemId )
{
if ( rHEvt.GetMode() & (HelpEventMode::QUICK | HelpEventMode::BALLOON) )
{
tools::Rectangle aItemRect = GetItemRect( nItemId );
Point aPt = OutputToScreenPixel( aItemRect.TopLeft() );
aItemRect.SetLeft( aPt.X() );
aItemRect.SetTop( aPt.Y() );
aPt = OutputToScreenPixel( aItemRect.BottomRight() );
aItemRect.SetRight( aPt.X() );
aItemRect.SetBottom( aPt.Y() );
OUString aStr = GetHelpText( nItemId );
if ( aStr.isEmpty() || !(rHEvt.GetMode() & HelpEventMode::BALLOON) )
{
auto& pItem = mvItemList[ GetItemPos( nItemId ) ];
// Quick-help is only displayed if the text is not fully visible.
// Otherwise we display Helptext only if the items do not contain text
if ( pItem->maOutText != pItem->maText )
aStr = pItem->maText;
else if (!pItem->maText.isEmpty())
aStr.clear();
}
if (!aStr.isEmpty())
{
if ( rHEvt.GetMode() & HelpEventMode::BALLOON )
Help::ShowBalloon( this, aItemRect.Center(), aItemRect, aStr );
else
Help::ShowQuickHelp( this, aItemRect, aStr );
return;
}
}
else if ( rHEvt.GetMode() & HelpEventMode::EXTENDED )
{
OUString aHelpId( OStringToOUString( GetHelpId( nItemId ), RTL_TEXTENCODING_UTF8 ) );
if ( !aHelpId.isEmpty() )
{
// display it if help is available
Help* pHelp = Application::GetHelp();
if ( pHelp )
pHelp->Start( aHelpId, this );
return;
}
}
}
Window::RequestHelp( rHEvt );
}
void HeaderBar::StateChanged( StateChangedType nType )
{
Window::StateChanged( nType );
if ( nType == StateChangedType::Enable )
Invalidate();
else if ( (nType == StateChangedType::Zoom) ||
(nType == StateChangedType::ControlFont) )
{
ImplInitSettings( true, false, false );
Invalidate();
}
else if ( nType == StateChangedType::ControlForeground )
{
ImplInitSettings( false, true, false );
Invalidate();
}
else if ( nType == StateChangedType::ControlBackground )
{
ImplInitSettings( false, false, true );
Invalidate();
}
}
void HeaderBar::DataChanged( const DataChangedEvent& rDCEvt )
{
Window::DataChanged( rDCEvt );
if ( (rDCEvt.GetType() == DataChangedEventType::FONTS) ||
(rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) ||
((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
(rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
{
ImplInitSettings( true, true, true );
Invalidate();
}
}
void HeaderBar::EndDrag()
{
maEndDragHdl.Call( this );
}
void HeaderBar::Select()
{
maSelectHdl.Call( this );
}
void HeaderBar::DoubleClick()
{
}
void HeaderBar::InsertItem( sal_uInt16 nItemId, const OUString& rText,
long nSize, HeaderBarItemBits nBits, sal_uInt16 nPos )
{
DBG_ASSERT( nItemId, "HeaderBar::InsertItem(): ItemId == 0" );
DBG_ASSERT( GetItemPos( nItemId ) == HEADERBAR_ITEM_NOTFOUND,
"HeaderBar::InsertItem(): ItemId already exists" );
// create item and insert in the list
std::unique_ptr<ImplHeadItem> pItem(new ImplHeadItem);
pItem->mnId = nItemId;
pItem->mnBits = nBits;
pItem->mnSize = nSize;
pItem->maText = rText;
if ( nPos < mvItemList.size() ) {
auto it = mvItemList.begin();
it += nPos;
mvItemList.insert( it, std::move(pItem) );
} else {
mvItemList.push_back( std::move(pItem) );
}
// update display
ImplUpdate( nPos, true );
}
void HeaderBar::RemoveItem( sal_uInt16 nItemId )
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
{
if ( nPos < mvItemList.size() ) {
auto it = mvItemList.begin();
it += nPos;
mvItemList.erase( it );
}
}
}
void HeaderBar::MoveItem( sal_uInt16 nItemId, sal_uInt16 nNewPos )
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos == HEADERBAR_ITEM_NOTFOUND )
return;
if ( nPos == nNewPos )
return;
auto it = mvItemList.begin();
it += nPos;
std::unique_ptr<ImplHeadItem> pItem = std::move(*it);
mvItemList.erase( it );
if ( nNewPos < nPos )
nPos = nNewPos;
it = mvItemList.begin();
it += nNewPos;
mvItemList.insert( it, std::move(pItem) );
ImplUpdate( nPos, true);
}
void HeaderBar::Clear()
{
// delete all items
mvItemList.clear();
ImplUpdate( 0, true );
}
void HeaderBar::SetOffset( long nNewOffset )
{
// move area
tools::Rectangle aRect( 0, mnBorderOff1, mnDX-1, mnDY-mnBorderOff1-mnBorderOff2-1 );
long nDelta = mnOffset-nNewOffset;
mnOffset = nNewOffset;
Scroll( nDelta, 0, aRect );
}
sal_uInt16 HeaderBar::GetItemCount() const
{
return static_cast<sal_uInt16>(mvItemList.size());
}
sal_uInt16 HeaderBar::GetItemPos( sal_uInt16 nItemId ) const
{
for ( size_t i = 0, n = mvItemList.size(); i < n; ++i ) {
auto& pItem = mvItemList[ i ];
if ( pItem->mnId == nItemId )
return static_cast<sal_uInt16>(i);
}
return HEADERBAR_ITEM_NOTFOUND;
}
sal_uInt16 HeaderBar::GetItemId( sal_uInt16 nPos ) const
{
ImplHeadItem* pItem = (nPos < mvItemList.size() ) ? mvItemList[ nPos ].get() : nullptr;
if ( pItem )
return pItem->mnId;
else
return 0;
}
sal_uInt16 HeaderBar::GetItemId( const Point& rPos ) const
{
for ( size_t i = 0, n = mvItemList.size(); i < n; ++i ) {
if ( ImplGetItemRect( i ).IsInside( rPos ) ) {
return GetItemId( i );
}
}
return 0;
}
tools::Rectangle HeaderBar::GetItemRect( sal_uInt16 nItemId ) const
{
tools::Rectangle aRect;
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
aRect = ImplGetItemRect( nPos );
return aRect;
}
void HeaderBar::SetItemSize( sal_uInt16 nItemId, long nNewSize )
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
{
auto& pItem = mvItemList[ nPos ];
if ( pItem->mnSize != nNewSize )
{
pItem->mnSize = nNewSize;
ImplUpdate( nPos, true );
}
}
}
long HeaderBar::GetItemSize( sal_uInt16 nItemId ) const
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
return mvItemList[ nPos ]->mnSize;
else
return 0;
}
void HeaderBar::SetItemBits( sal_uInt16 nItemId, HeaderBarItemBits nNewBits )
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
{
auto& pItem = mvItemList[ nPos ];
if ( pItem->mnBits != nNewBits )
{
pItem->mnBits = nNewBits;
ImplUpdate( nPos );
}
}
}
HeaderBarItemBits HeaderBar::GetItemBits( sal_uInt16 nItemId ) const
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
return mvItemList[ nPos ]->mnBits;
else
return HeaderBarItemBits::NONE;
}
void HeaderBar::SetItemText( sal_uInt16 nItemId, const OUString& rText )
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
{
mvItemList[ nPos ]->maText = rText;
ImplUpdate( nPos );
}
}
OUString HeaderBar::GetItemText( sal_uInt16 nItemId ) const
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
return mvItemList[ nPos ]->maText;
return OUString();
}
OUString HeaderBar::GetHelpText( sal_uInt16 nItemId ) const
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
{
auto& pItem = mvItemList[ nPos ];
if ( pItem->maHelpText.isEmpty() && !pItem->maHelpId.isEmpty() )
{
Help* pHelp = Application::GetHelp();
if ( pHelp )
pItem->maHelpText = pHelp->GetHelpText( OStringToOUString( pItem->maHelpId, RTL_TEXTENCODING_UTF8 ), this );
}
return pItem->maHelpText;
}
return OUString();
}
OString HeaderBar::GetHelpId( sal_uInt16 nItemId ) const
{
sal_uInt16 nPos = GetItemPos( nItemId );
if ( nPos != HEADERBAR_ITEM_NOTFOUND )
return mvItemList[ nPos ]->maHelpId;
return OString();
}
Size HeaderBar::CalcWindowSizePixel() const
{
long nMaxImageSize = 0;
Size aSize( 0, GetTextHeight() );
for (auto& pItem : mvItemList)
{
// take image size into account
long nImageHeight = pItem->maImage.GetSizePixel().Height();
if ( !(pItem->mnBits & (HeaderBarItemBits::LEFTIMAGE | HeaderBarItemBits::RIGHTIMAGE)) && !pItem->maText.isEmpty() )
nImageHeight += aSize.Height();
if ( nImageHeight > nMaxImageSize )
nMaxImageSize = nImageHeight;
// add width
aSize.AdjustWidth(pItem->mnSize );
}
if ( nMaxImageSize > aSize.Height() )
aSize.setHeight( nMaxImageSize );
// add border
if ( mbButtonStyle )
aSize.AdjustHeight(4 );
else
aSize.AdjustHeight(2 );
aSize.AdjustHeight(mnBorderOff1+mnBorderOff2 );
return aSize;
}
css::uno::Reference< css::accessibility::XAccessible > HeaderBar::CreateAccessible()
{
if ( !mxAccessible.is() )
{
maCreateAccessibleHdl.Call( this );
if ( !mxAccessible.is() )
mxAccessible = Window::CreateAccessible();
}
return mxAccessible;
}
void HeaderBar::SetAccessible( const css::uno::Reference< css::accessibility::XAccessible >& _xAccessible )
{
mxAccessible = _xAccessible;
}
css::uno::Reference< css::awt::XWindowPeer > HeaderBar::GetComponentInterface( bool bCreate )
{
css::uno::Reference< css::awt::XWindowPeer > xPeer
(Window::GetComponentInterface(false));
if ( !xPeer.is() && bCreate )
{
css::awt::XWindowPeer* pPeer = new VCLXHeaderBar(this);
SetComponentInterface(pPeer);
return pPeer;
}
else
return xPeer;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V1029 Numeric Truncation Error. Result of the 'size' function is written to the 16-bit variable.