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+/* -*- 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 <com/sun/star/accessibility/AccessibleRole.hpp>
+
+#include <osl/diagnose.h>
+#include <vcl/event.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/ptrstyle.hxx>
+
+#include "ipwin.hxx"
+#include "hatchwindow.hxx"
+
+/************************************************************************/
+/*************************************************************************
+|* SvResizeHelper::SvResizeHelper()
+|*
+|* Description
+*************************************************************************/
+SvResizeHelper::SvResizeHelper()
+ : aBorder( 5, 5 )
+ , nGrab( -1 )
+{
+}
+
+/*************************************************************************
+|* SvResizeHelper::FillHandleRects()
+|*
+|* Description: the eight handles to magnify
+*************************************************************************/
+std::array<tools::Rectangle,8> SvResizeHelper::FillHandleRectsPixel() const
+{
+ std::array<tools::Rectangle,8> aRects;
+
+ // only because of EMPTY_RECT
+ Point aBottomRight = aOuter.BottomRight();
+
+ // upper left
+ aRects[ 0 ] = tools::Rectangle( aOuter.TopLeft(), aBorder );
+ // upper middle
+ aRects[ 1 ] = tools::Rectangle( Point( aOuter.Center().X() - aBorder.Width() / 2,
+ aOuter.Top() ),
+ aBorder );
+ // upper right
+ aRects[ 2 ] = tools::Rectangle( Point( aBottomRight.X() - aBorder.Width() +1,
+ aOuter.Top() ),
+ aBorder );
+ // middle right
+ aRects[ 3 ] = tools::Rectangle( Point( aBottomRight.X() - aBorder.Width() +1,
+ aOuter.Center().Y() - aBorder.Height() / 2 ),
+ aBorder );
+ // lower right
+ aRects[ 4 ] = tools::Rectangle( Point( aBottomRight.X() - aBorder.Width() +1,
+ aBottomRight.Y() - aBorder.Height() +1 ),
+ aBorder );
+ // lower middle
+ aRects[ 5 ] = tools::Rectangle( Point( aOuter.Center().X() - aBorder.Width() / 2,
+ aBottomRight.Y() - aBorder.Height() +1),
+ aBorder );
+ // lower left
+ aRects[ 6 ] = tools::Rectangle( Point( aOuter.Left(),
+ aBottomRight.Y() - aBorder.Height() +1),
+ aBorder );
+ // middle left
+ aRects[ 7 ] = tools::Rectangle( Point( aOuter.Left(),
+ aOuter.Center().Y() - aBorder.Height() / 2 ),
+ aBorder );
+ return aRects;
+}
+
+/*************************************************************************
+|* SvResizeHelper::FillMoveRectsPixel()
+|*
+|* Description: the four edges are calculated
+*************************************************************************/
+std::array<tools::Rectangle,4> SvResizeHelper::FillMoveRectsPixel() const
+{
+ std::array<tools::Rectangle,4> aRects;
+
+ // upper
+ aRects[ 0 ] = aOuter;
+ aRects[ 0 ].SetBottom( aRects[ 0 ].Top() + aBorder.Height() -1 );
+ // right
+ aRects[ 1 ] = aOuter;
+ if (!aOuter.IsWidthEmpty())
+ aRects[ 1 ].SetLeft( aRects[ 1 ].Right() - aBorder.Width() -1 );
+ // lower
+ aRects[ 2 ] = aOuter;
+ if (!aOuter.IsHeightEmpty())
+ aRects[ 2 ].SetTop( aRects[ 2 ].Bottom() - aBorder.Height() -1 );
+ // left
+ aRects[ 3 ] = aOuter;
+ aRects[ 3 ].SetRight( aRects[ 3 ].Left() + aBorder.Width() -1 );
+
+ return aRects;
+}
+
+/*************************************************************************
+|* SvResizeHelper::Draw()
+|*
+|* Description
+*************************************************************************/
+void SvResizeHelper::Draw(vcl::RenderContext& rRenderContext)
+{
+ rRenderContext.Push();
+ rRenderContext.SetMapMode( MapMode() );
+
+ rRenderContext.SetFillColor( COL_LIGHTGRAY );
+ rRenderContext.SetLineColor();
+
+ std::array<tools::Rectangle,4> aMoveRects = FillMoveRectsPixel();
+ sal_uInt16 i;
+ for (i = 0; i < 4; i++)
+ rRenderContext.DrawRect(aMoveRects[i]);
+ // draw handles
+ rRenderContext.SetFillColor(Color()); // black
+ std::array<tools::Rectangle,8> aRects = FillHandleRectsPixel();
+ for (i = 0; i < 8; i++)
+ rRenderContext.DrawRect( aRects[ i ] );
+ rRenderContext.Pop();
+}
+
+/*************************************************************************
+|* SvResizeHelper::InvalidateBorder()
+|*
+|* Description
+*************************************************************************/
+void SvResizeHelper::InvalidateBorder( vcl::Window * pWin )
+{
+ std::array<tools::Rectangle,4> aMoveRects = FillMoveRectsPixel();
+ for(const auto & rMoveRect : aMoveRects)
+ pWin->Invalidate( rMoveRect );
+}
+
+/*************************************************************************
+|* SvResizeHelper::SelectBegin()
+|*
+|* Description
+*************************************************************************/
+bool SvResizeHelper::SelectBegin( vcl::Window * pWin, const Point & rPos )
+{
+ if( -1 == nGrab )
+ {
+ nGrab = SelectMove( pWin, rPos );
+ if( -1 != nGrab )
+ {
+ aSelPos = rPos; // store start position
+ pWin->CaptureMouse();
+ return true;
+ }
+ }
+ return false;
+}
+
+/*************************************************************************
+|* SvResizeHelper::SelectMove()
+|*
+|* Description
+*************************************************************************/
+short SvResizeHelper::SelectMove( vcl::Window * pWin, const Point & rPos )
+{
+ if( -1 == nGrab )
+ {
+ std::array<tools::Rectangle,8> aRects = FillHandleRectsPixel();
+ for( sal_uInt16 i = 0; i < 8; i++ )
+ if( aRects[ i ].Contains( rPos ) )
+ return i;
+ // Move-Rect overlaps Handles
+ std::array<tools::Rectangle,4> aMoveRects = FillMoveRectsPixel();
+ for(const auto & rMoveRect : aMoveRects)
+ if( rMoveRect.Contains( rPos ) )
+ return 8;
+ }
+ else
+ {
+ tools::Rectangle aRect( GetTrackRectPixel( rPos ) );
+ aRect.SetSize( pWin->PixelToLogic( aRect.GetSize() ) );
+ aRect.SetPos( pWin->PixelToLogic( aRect.TopLeft() ) );
+ pWin->ShowTracking( aRect );
+ }
+ return nGrab;
+}
+
+Point SvResizeHelper::GetTrackPosPixel( const tools::Rectangle & rRect ) const
+{
+ // not important how the rectangle is returned, it is important
+ // which handle has been touched
+ Point aPos;
+ tools::Rectangle aRect( rRect );
+ aRect.Justify();
+ // only because of EMPTY_RECT
+ Point aBR = aOuter.BottomRight();
+ Point aTR = aOuter.TopRight();
+ Point aBL = aOuter.BottomLeft();
+ bool bRTL = AllSettings::GetLayoutRTL();
+ switch( nGrab )
+ {
+ case 0:
+ // FIXME: disable it for RTL because it's wrong calculations
+ if( bRTL )
+ break;
+ aPos = aRect.TopLeft() - aOuter.TopLeft();
+ break;
+ case 1:
+ aPos.setY( aRect.Top() - aOuter.Top() );
+ break;
+ case 2:
+ // FIXME: disable it for RTL because it's wrong calculations
+ if( bRTL )
+ break;
+ aPos = aRect.TopRight() - aTR;
+ break;
+ case 3:
+ if( bRTL )
+ aPos.setX( aRect.Left() - aTR.X() );
+ else
+ aPos.setX( aRect.Right() - aTR.X() );
+ break;
+ case 4:
+ // FIXME: disable it for RTL because it's wrong calculations
+ if( bRTL )
+ break;
+ aPos = aRect.BottomRight() - aBR;
+ break;
+ case 5:
+ aPos.setY( aRect.Bottom() - aBR.Y() );
+ break;
+ case 6:
+ // FIXME: disable it for RTL because it's wrong calculations
+ if( bRTL )
+ break;
+ aPos = aRect.BottomLeft() - aBL;
+ break;
+ case 7:
+ if( bRTL )
+ aPos.setX( aRect.Right() + aOuter.Right() - aOuter.Right() );
+ else
+ aPos.setX( aRect.Left() - aOuter.Left() );
+ break;
+ case 8:
+ aPos = aRect.TopLeft() - aOuter.TopLeft();
+ break;
+ }
+ return aPos + aSelPos;
+}
+
+/*************************************************************************
+|* SvResizeHelper::GetTrackRectPixel()
+|*
+|* Description
+*************************************************************************/
+tools::Rectangle SvResizeHelper::GetTrackRectPixel( const Point & rTrackPos ) const
+{
+ tools::Rectangle aTrackRect;
+ if( -1 != nGrab )
+ {
+ Point aDiff = rTrackPos - aSelPos;
+ aTrackRect = aOuter;
+ Point aBR = aOuter.BottomRight();
+ bool bRTL = AllSettings::GetLayoutRTL();
+ switch( nGrab )
+ {
+ case 0:
+ aTrackRect.AdjustTop(aDiff.Y() );
+ // ugly solution for resizing OLE objects in RTL
+ if( bRTL )
+ aTrackRect.SetRight( aBR.X() - aDiff.X() );
+ else
+ aTrackRect.AdjustLeft(aDiff.X() );
+ break;
+ case 1:
+ aTrackRect.AdjustTop(aDiff.Y() );
+ break;
+ case 2:
+ aTrackRect.AdjustTop(aDiff.Y() );
+ // ugly solution for resizing OLE objects in RTL
+ if( bRTL )
+ aTrackRect.AdjustLeft( -(aDiff.X()) );
+ else
+ aTrackRect.SetRight( aBR.X() + aDiff.X() );
+ break;
+ case 3:
+ // ugly solution for resizing OLE objects in RTL
+ if( bRTL )
+ aTrackRect.AdjustLeft( -(aDiff.X()) );
+ else
+ aTrackRect.SetRight( aBR.X() + aDiff.X() );
+ break;
+ case 4:
+ aTrackRect.SetBottom( aBR.Y() + aDiff.Y() );
+ // ugly solution for resizing OLE objects in RTL
+ if( bRTL )
+ aTrackRect.AdjustLeft( -(aDiff.X()) );
+ else
+ aTrackRect.SetRight( aBR.X() + aDiff.X() );
+ break;
+ case 5:
+ aTrackRect.SetBottom( aBR.Y() + aDiff.Y() );
+ break;
+ case 6:
+ aTrackRect.SetBottom( aBR.Y() + aDiff.Y() );
+ // ugly solution for resizing OLE objects in RTL
+ if( bRTL )
+ aTrackRect.SetRight( aBR.X() - aDiff.X() );
+ else
+ aTrackRect.AdjustLeft(aDiff.X() );
+ break;
+ case 7:
+ // ugly solution for resizing OLE objects in RTL
+ if( bRTL )
+ aTrackRect.SetRight( aBR.X() - aDiff.X() );
+ else
+ aTrackRect.AdjustLeft(aDiff.X() );
+ break;
+ case 8:
+ if( bRTL )
+ aDiff.setX( -aDiff.X() ); // workaround for move in RTL mode
+ aTrackRect.SetPos( aTrackRect.TopLeft() + aDiff );
+ break;
+ }
+ }
+ return aTrackRect;
+}
+
+void SvResizeHelper::ValidateRect( tools::Rectangle & rValidate ) const
+{
+ switch( nGrab )
+ {
+ case 0:
+ if( rValidate.Top() > rValidate.Bottom() )
+ rValidate.SetTop( rValidate.Bottom() );
+ if( rValidate.Left() > rValidate.Right() )
+ rValidate.SetLeft( rValidate.Right() );
+ break;
+ case 1:
+ if( rValidate.Top() > rValidate.Bottom() )
+ rValidate.SetTop( rValidate.Bottom() );
+ break;
+ case 2:
+ if( rValidate.Top() > rValidate.Bottom() )
+ rValidate.SetTop( rValidate.Bottom() );
+ if( rValidate.Left() > rValidate.Right() )
+ rValidate.SetRight( rValidate.Left() );
+ break;
+ case 3:
+ if( rValidate.Left() > rValidate.Right() )
+ rValidate.SetRight( rValidate.Left() );
+ break;
+ case 4:
+ if( rValidate.Top() > rValidate.Bottom() )
+ rValidate.SetBottom( rValidate.Top() );
+ if( rValidate.Left() > rValidate.Right() )
+ rValidate.SetRight( rValidate.Left() );
+ break;
+ case 5:
+ if( rValidate.Top() > rValidate.Bottom() )
+ rValidate.SetBottom( rValidate.Top() );
+ break;
+ case 6:
+ if( rValidate.Top() > rValidate.Bottom() )
+ rValidate.SetBottom( rValidate.Top() );
+ if( rValidate.Left() > rValidate.Right() )
+ rValidate.SetLeft( rValidate.Right() );
+ break;
+ case 7:
+ if( rValidate.Left() > rValidate.Right() )
+ rValidate.SetLeft( rValidate.Right() );
+ break;
+ }
+
+ // Mindestgr"osse 5 x 5
+ if( rValidate.Left() + 5 > rValidate.Right() )
+ rValidate.SetRight( rValidate.Left() + 5 );
+ if( rValidate.Top() + 5 > rValidate.Bottom() )
+ rValidate.SetBottom( rValidate.Top() + 5 );
+}
+
+/*************************************************************************
+|* SvResizeHelper::SelectRelease()
+|*
+|* Description
+*************************************************************************/
+bool SvResizeHelper::SelectRelease( vcl::Window * pWin, const Point & rPos,
+ tools::Rectangle & rOutPosSize )
+{
+ if( -1 != nGrab )
+ {
+ rOutPosSize = GetTrackRectPixel( rPos );
+ rOutPosSize.Justify();
+ nGrab = -1;
+ pWin->ReleaseMouse();
+ pWin->HideTracking();
+ return true;
+ }
+ return false;
+}
+
+/*************************************************************************
+|* SvResizeHelper::Release()
+|*
+|* Description
+*************************************************************************/
+void SvResizeHelper::Release( vcl::Window * pWin )
+{
+ if( nGrab != -1 )
+ {
+ pWin->ReleaseMouse();
+ pWin->HideTracking();
+ nGrab = -1;
+ }
+}
+
+/*************************************************************************
+|* SvResizeWindow::SvResizeWindow()
+|*
+|* Description
+*************************************************************************/
+SvResizeWindow::SvResizeWindow
+(
+ vcl::Window * pParent,
+ VCLXHatchWindow* pWrapper
+)
+ : Window( pParent, WB_CLIPCHILDREN )
+ , m_aOldPointer(PointerStyle::Arrow)
+ , m_nMoveGrab( -1 )
+ , m_bActive( false )
+ , m_pWrapper( pWrapper )
+{
+ OSL_ENSURE( pParent != nullptr && pWrapper != nullptr, "Wrong initialization of hatch window!" );
+ SetBackground();
+ SetAccessibleRole( css::accessibility::AccessibleRole::EMBEDDED_OBJECT );
+ m_aResizer.SetOuterRectPixel( tools::Rectangle( Point(), GetOutputSizePixel() ) );
+}
+
+/*************************************************************************
+|* SvResizeWindow::SetHatchBorderPixel()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::SetHatchBorderPixel( const Size & rSize )
+{
+ m_aResizer.SetBorderPixel( rSize );
+}
+
+/*************************************************************************
+|* SvResizeWindow::SelectMouse()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::SelectMouse( const Point & rPos )
+{
+ short nGrab = m_aResizer.SelectMove( this, rPos );
+ if( nGrab >= 4 )
+ nGrab -= 4;
+ if( m_nMoveGrab == nGrab )
+ return;
+
+ // Pointer did change
+ if( -1 == nGrab )
+ SetPointer( m_aOldPointer );
+ else
+ {
+ PointerStyle aStyle = PointerStyle::Move;
+ if( nGrab == 3 )
+ aStyle = PointerStyle::ESize;
+ else if( nGrab == 2 )
+ aStyle = PointerStyle::NESize;
+ else if( nGrab == 1 )
+ aStyle = PointerStyle::SSize;
+ else if( nGrab == 0 )
+ aStyle = PointerStyle::SESize;
+ if( m_nMoveGrab == -1 ) // the first time
+ {
+ m_aOldPointer = GetPointer();
+ SetPointer( aStyle );
+ }
+ else
+ SetPointer( aStyle );
+ }
+ m_nMoveGrab = nGrab;
+}
+
+/*************************************************************************
+|* SvResizeWindow::MouseButtonDown()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::MouseButtonDown( const MouseEvent & rEvt )
+{
+ if( m_aResizer.SelectBegin( this, rEvt.GetPosPixel() ) )
+ SelectMouse( rEvt.GetPosPixel() );
+}
+
+/*************************************************************************
+|* SvResizeWindow::MouseMove()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::MouseMove( const MouseEvent & rEvt )
+{
+ if( m_aResizer.GetGrab() == -1 )
+ SelectMouse( rEvt.GetPosPixel() );
+ else
+ {
+ tools::Rectangle aRect( m_aResizer.GetTrackRectPixel( rEvt.GetPosPixel() ) );
+ Point aDiff = GetPosPixel();
+ aRect.SetPos( aRect.TopLeft() + aDiff );
+ m_aResizer.ValidateRect( aRect );
+
+ m_pWrapper->QueryObjAreaPixel( aRect );
+ aRect.SetPos( aRect.TopLeft() - aDiff );
+ Point aPos = m_aResizer.GetTrackPosPixel( aRect );
+
+ SelectMouse( aPos );
+ }
+}
+
+/*************************************************************************
+|* SvResizeWindow::MouseButtonUp()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::MouseButtonUp( const MouseEvent & rEvt )
+{
+ if( m_aResizer.GetGrab() == -1 )
+ return;
+
+ tools::Rectangle aRect( m_aResizer.GetTrackRectPixel( rEvt.GetPosPixel() ) );
+ Point aDiff = GetPosPixel();
+ aRect.SetPos( aRect.TopLeft() + aDiff );
+ // aRect -= GetAllBorderPixel();
+ m_aResizer.ValidateRect( aRect );
+
+ m_pWrapper->QueryObjAreaPixel( aRect );
+
+ tools::Rectangle aOutRect;
+ if( m_aResizer.SelectRelease( this, rEvt.GetPosPixel(), aOutRect ) )
+ {
+ m_nMoveGrab = -1;
+ SetPointer( m_aOldPointer );
+ m_pWrapper->RequestObjAreaPixel( aRect );
+ }
+}
+
+/*************************************************************************
+|* SvResizeWindow::KeyEvent()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::KeyInput( const KeyEvent & rEvt )
+{
+ if( rEvt.GetKeyCode().GetCode() == KEY_ESCAPE )
+ {
+ m_aResizer.Release( this );
+ m_pWrapper->InplaceDeactivate();
+ }
+}
+
+/*************************************************************************
+|* SvResizeWindow::Resize()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::Resize()
+{
+ m_aResizer.InvalidateBorder( this ); // old area
+ m_aResizer.SetOuterRectPixel( tools::Rectangle( Point(), GetOutputSizePixel() ) );
+ m_aResizer.InvalidateBorder( this ); // new area
+}
+
+/*************************************************************************
+|* SvResizeWindow::Paint()
+|*
+|* Description
+*************************************************************************/
+void SvResizeWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle & /*rRect*/ )
+{
+ m_aResizer.Draw(rRenderContext);
+}
+
+bool SvResizeWindow::PreNotify( NotifyEvent& rEvt )
+{
+ if ( rEvt.GetType() == MouseNotifyEvent::GETFOCUS && !m_bActive )
+ {
+ m_bActive = true;
+ m_pWrapper->Activated();
+ }
+
+ return Window::PreNotify(rEvt);
+}
+
+bool SvResizeWindow::EventNotify( NotifyEvent& rEvt )
+{
+ if ( rEvt.GetType() == MouseNotifyEvent::LOSEFOCUS && m_bActive )
+ {
+ bool bHasFocus = HasChildPathFocus(true);
+ if ( !bHasFocus )
+ {
+ m_bActive = false;
+ m_pWrapper->Deactivated();
+ }
+ }
+
+ return Window::EventNotify(rEvt);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */