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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /sd/source/console/PresenterScrollBar.cxx
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sd/source/console/PresenterScrollBar.cxx')
-rw-r--r--sd/source/console/PresenterScrollBar.cxx825
1 files changed, 825 insertions, 0 deletions
diff --git a/sd/source/console/PresenterScrollBar.cxx b/sd/source/console/PresenterScrollBar.cxx
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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 "PresenterScrollBar.hxx"
+#include "PresenterBitmapContainer.hxx"
+#include "PresenterCanvasHelper.hxx"
+#include "PresenterGeometryHelper.hxx"
+#include "PresenterPaintManager.hxx"
+#include "PresenterTimer.hxx"
+#include "PresenterUIPainter.hxx"
+#include <com/sun/star/awt/PosSize.hpp>
+#include <com/sun/star/awt/XWindowPeer.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
+
+#include <algorithm>
+#include <memory>
+#include <utility>
+#include <math.h>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+const double gnScrollBarGap (10);
+
+namespace sdext::presenter {
+
+//===== PresenterScrollBar::MousePressRepeater ================================
+
+class PresenterScrollBar::MousePressRepeater
+ : public std::enable_shared_from_this<MousePressRepeater>
+{
+public:
+ explicit MousePressRepeater (::rtl::Reference<PresenterScrollBar> xScrollBar);
+ void Dispose();
+ void Start (const PresenterScrollBar::Area& reArea);
+ void Stop();
+ void SetMouseArea (const PresenterScrollBar::Area& reArea);
+
+private:
+ void Callback ();
+ void Execute();
+
+ sal_Int32 mnMousePressRepeaterTaskId;
+ ::rtl::Reference<PresenterScrollBar> mpScrollBar;
+ PresenterScrollBar::Area meMouseArea;
+};
+
+//===== PresenterScrollBar ====================================================
+
+std::weak_ptr<PresenterBitmapContainer> PresenterScrollBar::mpSharedBitmaps;
+
+PresenterScrollBar::PresenterScrollBar (
+ const Reference<XComponentContext>& rxComponentContext,
+ const Reference<awt::XWindow>& rxParentWindow,
+ std::shared_ptr<PresenterPaintManager> xPaintManager,
+ ::std::function<void (double)> aThumbMotionListener)
+ : PresenterScrollBarInterfaceBase(m_aMutex),
+ mxComponentContext(rxComponentContext),
+ mpPaintManager(std::move(xPaintManager)),
+ mnThumbPosition(0),
+ mnTotalSize(0),
+ mnThumbSize(0),
+ mnLineHeight(10),
+ maDragAnchor(-1,-1),
+ maThumbMotionListener(std::move(aThumbMotionListener)),
+ meButtonDownArea(None),
+ meMouseMoveArea(None),
+ mbIsNotificationActive(false),
+ mpMousePressRepeater(std::make_shared<MousePressRepeater>(this)),
+ mpCanvasHelper(new PresenterCanvasHelper())
+{
+ try
+ {
+ Reference<lang::XMultiComponentFactory> xFactory (rxComponentContext->getServiceManager());
+ if ( ! xFactory.is())
+ throw RuntimeException();
+
+ mxPresenterHelper.set(
+ xFactory->createInstanceWithContext(
+ "com.sun.star.comp.Draw.PresenterHelper",
+ rxComponentContext),
+ UNO_QUERY_THROW);
+
+ if (mxPresenterHelper.is())
+ mxWindow = mxPresenterHelper->createWindow(rxParentWindow,
+ false,
+ false,
+ false,
+ false);
+
+ // Make the background transparent. The slide show paints its own background.
+ Reference<awt::XWindowPeer> xPeer (mxWindow, UNO_QUERY_THROW);
+ xPeer->setBackground(0xff000000);
+
+ mxWindow->setVisible(true);
+ mxWindow->addWindowListener(this);
+ mxWindow->addPaintListener(this);
+ mxWindow->addMouseListener(this);
+ mxWindow->addMouseMotionListener(this);
+ }
+ catch (RuntimeException&)
+ {
+ }
+}
+
+PresenterScrollBar::~PresenterScrollBar()
+{
+}
+
+void SAL_CALL PresenterScrollBar::disposing()
+{
+ mpMousePressRepeater->Dispose();
+
+ if (mxWindow.is())
+ {
+ mxWindow->removeWindowListener(this);
+ mxWindow->removePaintListener(this);
+ mxWindow->removeMouseListener(this);
+ mxWindow->removeMouseMotionListener(this);
+
+ Reference<lang::XComponent> xComponent = mxWindow;
+ mxWindow = nullptr;
+ if (xComponent.is())
+ xComponent->dispose();
+ }
+
+ mpBitmaps.reset();
+}
+
+void PresenterScrollBar::SetVisible (const bool bIsVisible)
+{
+ if (mxWindow.is())
+ mxWindow->setVisible(bIsVisible);
+}
+
+void PresenterScrollBar::SetPosSize (const css::geometry::RealRectangle2D& rBox)
+{
+ if (mxWindow.is())
+ {
+ mxWindow->setPosSize(
+ sal_Int32(floor(rBox.X1)),
+ sal_Int32(ceil(rBox.Y1)),
+ sal_Int32(ceil(rBox.X2-rBox.X1)),
+ sal_Int32(floor(rBox.Y2-rBox.Y1)),
+ awt::PosSize::POSSIZE);
+ UpdateBorders();
+ }
+}
+
+void PresenterScrollBar::SetThumbPosition (
+ double nPosition,
+ const bool bAsynchronousUpdate)
+{
+ nPosition = ValidateThumbPosition(nPosition);
+
+ if (nPosition == mnThumbPosition || mbIsNotificationActive)
+ return;
+
+ mnThumbPosition = nPosition;
+
+ UpdateBorders();
+ Repaint(GetRectangle(Total), bAsynchronousUpdate);
+
+ mbIsNotificationActive = true;
+ try
+ {
+ maThumbMotionListener(mnThumbPosition);
+ }
+ catch (Exception&)
+ {
+ }
+ mbIsNotificationActive = false;
+}
+
+
+void PresenterScrollBar::SetTotalSize (const double nTotalSize)
+{
+ if (mnTotalSize != nTotalSize)
+ {
+ mnTotalSize = nTotalSize + 1;
+ UpdateBorders();
+ Repaint(GetRectangle(Total), false);
+ }
+}
+
+void PresenterScrollBar::SetThumbSize (const double nThumbSize)
+{
+ OSL_ASSERT(nThumbSize>=0);
+ if (mnThumbSize != nThumbSize)
+ {
+ mnThumbSize = nThumbSize;
+ UpdateBorders();
+ Repaint(GetRectangle(Total), false);
+ }
+}
+
+
+void PresenterScrollBar::SetLineHeight (const double nLineHeight)
+{
+ mnLineHeight = nLineHeight;
+}
+
+
+void PresenterScrollBar::SetCanvas (const Reference<css::rendering::XCanvas>& rxCanvas)
+{
+ if (mxCanvas == rxCanvas)
+ return;
+
+ mxCanvas = rxCanvas;
+ if (!mxCanvas.is())
+ return;
+
+ if (mpBitmaps == nullptr)
+ {
+ mpBitmaps = mpSharedBitmaps.lock();
+ if (!mpBitmaps)
+ {
+ try
+ {
+ mpBitmaps = std::make_shared<PresenterBitmapContainer>(
+ "PresenterScreenSettings/ScrollBar/Bitmaps",
+ std::shared_ptr<PresenterBitmapContainer>(),
+ mxComponentContext,
+ mxCanvas);
+ mpSharedBitmaps = mpBitmaps;
+ }
+ catch(Exception&)
+ {
+ OSL_ASSERT(false);
+ }
+ }
+ UpdateBitmaps();
+ UpdateBorders();
+ }
+
+ Repaint(GetRectangle(Total), false);
+}
+
+void PresenterScrollBar::SetBackground (const SharedBitmapDescriptor& rpBackgroundBitmap)
+{
+ mpBackgroundBitmap = rpBackgroundBitmap;
+}
+
+void PresenterScrollBar::CheckValues()
+{
+ mnThumbPosition = ValidateThumbPosition(mnThumbPosition);
+}
+
+double PresenterScrollBar::ValidateThumbPosition (double nPosition)
+{
+ if (nPosition + mnThumbSize > mnTotalSize)
+ nPosition = mnTotalSize - mnThumbSize;
+ if (nPosition < 0)
+ nPosition = 0;
+ return nPosition;
+}
+
+void PresenterScrollBar::Paint (
+ const awt::Rectangle& rUpdateBox)
+{
+ if ( ! mxCanvas.is() || ! mxWindow.is())
+ {
+ OSL_ASSERT(mxCanvas.is());
+ OSL_ASSERT(mxWindow.is());
+ return;
+ }
+
+ if (PresenterGeometryHelper::AreRectanglesDisjoint (rUpdateBox, mxWindow->getPosSize()))
+ return;
+
+ PaintBackground(rUpdateBox);
+ PaintComposite(rUpdateBox, PagerUp,
+ mpPagerStartDescriptor, mpPagerCenterDescriptor, SharedBitmapDescriptor());
+ PaintComposite(rUpdateBox, PagerDown,
+ SharedBitmapDescriptor(), mpPagerCenterDescriptor, mpPagerEndDescriptor);
+ PaintComposite(rUpdateBox, Thumb,
+ mpThumbStartDescriptor, mpThumbCenterDescriptor, mpThumbEndDescriptor);
+ PaintBitmap(rUpdateBox, PrevButton, mpPrevButtonDescriptor);
+ PaintBitmap(rUpdateBox, NextButton, mpNextButtonDescriptor);
+
+ Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY);
+ if (xSpriteCanvas.is())
+ xSpriteCanvas->updateScreen(false);
+}
+
+//----- XWindowListener -------------------------------------------------------
+
+void SAL_CALL PresenterScrollBar::windowResized (const css::awt::WindowEvent&) {}
+
+void SAL_CALL PresenterScrollBar::windowMoved (const css::awt::WindowEvent&) {}
+
+void SAL_CALL PresenterScrollBar::windowShown (const css::lang::EventObject&) {}
+
+void SAL_CALL PresenterScrollBar::windowHidden (const css::lang::EventObject&) {}
+
+//----- XPaintListener --------------------------------------------------------
+
+void SAL_CALL PresenterScrollBar::windowPaint (const css::awt::PaintEvent& rEvent)
+{
+ if (mxWindow.is())
+ {
+ awt::Rectangle aRepaintBox (rEvent.UpdateRect);
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ aRepaintBox.X += aWindowBox.X;
+ aRepaintBox.Y += aWindowBox.Y;
+ Paint(aRepaintBox);
+
+ Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY);
+ if (xSpriteCanvas.is())
+ xSpriteCanvas->updateScreen(false);
+ }
+}
+
+//----- XMouseListener --------------------------------------------------------
+
+void SAL_CALL PresenterScrollBar::mousePressed (const css::awt::MouseEvent& rEvent)
+{
+ maDragAnchor.X = rEvent.X;
+ maDragAnchor.Y = rEvent.Y;
+ meButtonDownArea = GetArea(rEvent.X, rEvent.Y);
+
+ mpMousePressRepeater->Start(meButtonDownArea);
+}
+
+void SAL_CALL PresenterScrollBar::mouseReleased (const css::awt::MouseEvent&)
+{
+ mpMousePressRepeater->Stop();
+
+ if (mxPresenterHelper.is())
+ mxPresenterHelper->releaseMouse(mxWindow);
+}
+
+void SAL_CALL PresenterScrollBar::mouseEntered (const css::awt::MouseEvent&) {}
+
+void SAL_CALL PresenterScrollBar::mouseExited (const css::awt::MouseEvent&)
+{
+ if (meMouseMoveArea != None)
+ {
+ const Area eOldMouseMoveArea (meMouseMoveArea);
+ meMouseMoveArea = None;
+ Repaint(GetRectangle(eOldMouseMoveArea), true);
+ }
+ meButtonDownArea = None;
+ meMouseMoveArea = None;
+
+ mpMousePressRepeater->Stop();
+}
+
+//----- XMouseMotionListener --------------------------------------------------
+
+void SAL_CALL PresenterScrollBar::mouseMoved (const css::awt::MouseEvent& rEvent)
+{
+ const Area eArea (GetArea(rEvent.X, rEvent.Y));
+ if (eArea != meMouseMoveArea)
+ {
+ const Area eOldMouseMoveArea (meMouseMoveArea);
+ meMouseMoveArea = eArea;
+ if (eOldMouseMoveArea != None)
+ Repaint(GetRectangle(eOldMouseMoveArea), meMouseMoveArea==None);
+ if (meMouseMoveArea != None)
+ Repaint(GetRectangle(meMouseMoveArea), true);
+ }
+ mpMousePressRepeater->SetMouseArea(eArea);
+}
+
+void SAL_CALL PresenterScrollBar::mouseDragged (const css::awt::MouseEvent& rEvent)
+{
+ if (meButtonDownArea != Thumb)
+ return;
+
+ mpMousePressRepeater->Stop();
+
+ if (mxPresenterHelper.is())
+ mxPresenterHelper->captureMouse(mxWindow);
+
+ const double nDragDistance (GetDragDistance(rEvent.X,rEvent.Y));
+ UpdateDragAnchor(nDragDistance);
+ if (nDragDistance != 0)
+ {
+ SetThumbPosition(mnThumbPosition + nDragDistance, false);
+ }
+}
+
+//----- lang::XEventListener --------------------------------------------------
+
+void SAL_CALL PresenterScrollBar::disposing (const css::lang::EventObject& rEvent)
+{
+ if (rEvent.Source == mxWindow)
+ mxWindow = nullptr;
+}
+
+
+geometry::RealRectangle2D const & PresenterScrollBar::GetRectangle (const Area eArea) const
+{
+ OSL_ASSERT(eArea>=0 && eArea<AreaCount);
+
+ return maBox[eArea];
+}
+
+void PresenterScrollBar::Repaint (
+ const geometry::RealRectangle2D& rBox,
+ const bool bAsynchronousUpdate)
+{
+ if (mpPaintManager != nullptr)
+ mpPaintManager->Invalidate(
+ mxWindow,
+ PresenterGeometryHelper::ConvertRectangle(rBox),
+ bAsynchronousUpdate);
+}
+
+void PresenterScrollBar::PaintBackground(
+ const css::awt::Rectangle& rUpdateBox)
+{
+ if (!mpBackgroundBitmap)
+ return;
+
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ mpCanvasHelper->Paint(
+ mpBackgroundBitmap,
+ mxCanvas,
+ rUpdateBox,
+ aWindowBox,
+ awt::Rectangle());
+}
+
+void PresenterScrollBar::PaintBitmap(
+ const css::awt::Rectangle& rUpdateBox,
+ const Area eArea,
+ const SharedBitmapDescriptor& rpBitmaps)
+{
+ const geometry::RealRectangle2D aLocalBox (GetRectangle(eArea));
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ geometry::RealRectangle2D aBox (aLocalBox);
+ aBox.X1 += aWindowBox.X;
+ aBox.Y1 += aWindowBox.Y;
+ aBox.X2 += aWindowBox.X;
+ aBox.Y2 += aWindowBox.Y;
+
+ Reference<rendering::XBitmap> xBitmap (GetBitmap(eArea,rpBitmaps));
+
+ if (!xBitmap.is())
+ return;
+
+ Reference<rendering::XPolyPolygon2D> xClipPolygon (
+ PresenterGeometryHelper::CreatePolygon(
+ PresenterGeometryHelper::Intersection(rUpdateBox,
+ PresenterGeometryHelper::ConvertRectangle(aBox)),
+ mxCanvas->getDevice()));
+
+ const rendering::ViewState aViewState (
+ geometry::AffineMatrix2D(1,0,0, 0,1,0),
+ xClipPolygon);
+
+ const geometry::IntegerSize2D aBitmapSize (xBitmap->getSize());
+ rendering::RenderState aRenderState (
+ geometry::AffineMatrix2D(
+ 1,0,aBox.X1 + (aBox.X2-aBox.X1 - aBitmapSize.Width)/2,
+ 0,1,aBox.Y1 + (aBox.Y2-aBox.Y1 - aBitmapSize.Height)/2),
+ nullptr,
+ Sequence<double>(4),
+ rendering::CompositeOperation::SOURCE);
+
+ mxCanvas->drawBitmap(
+ xBitmap,
+ aViewState,
+ aRenderState);
+}
+
+PresenterScrollBar::Area PresenterScrollBar::GetArea (const double nX, const double nY) const
+{
+ const geometry::RealPoint2D aPoint(nX, nY);
+
+ if (PresenterGeometryHelper::IsInside(GetRectangle(Pager), aPoint))
+ {
+ if (PresenterGeometryHelper::IsInside(GetRectangle(Thumb), aPoint))
+ return Thumb;
+ else if (PresenterGeometryHelper::IsInside(GetRectangle(PagerUp), aPoint))
+ return PagerUp;
+ else if (PresenterGeometryHelper::IsInside(GetRectangle(PagerDown), aPoint))
+ return PagerDown;
+ }
+ else if (PresenterGeometryHelper::IsInside(GetRectangle(PrevButton), aPoint))
+ return PrevButton;
+ else if (PresenterGeometryHelper::IsInside(GetRectangle(NextButton), aPoint))
+ return NextButton;
+
+ return None;
+}
+
+void PresenterScrollBar::UpdateWidthOrHeight (
+ sal_Int32& rSize,
+ const SharedBitmapDescriptor& rpDescriptor)
+{
+ if (rpDescriptor)
+ {
+ Reference<rendering::XBitmap> xBitmap (rpDescriptor->GetNormalBitmap());
+ if (xBitmap.is())
+ {
+ const geometry::IntegerSize2D aBitmapSize (xBitmap->getSize());
+ const sal_Int32 nBitmapSize = static_cast<sal_Int32>(GetMinor(aBitmapSize.Width, aBitmapSize.Height));
+ if (nBitmapSize > rSize)
+ rSize = nBitmapSize;
+ }
+ }
+}
+
+css::uno::Reference<css::rendering::XBitmap> PresenterScrollBar::GetBitmap (
+ const Area eArea,
+ const SharedBitmapDescriptor& rpBitmaps) const
+{
+ if (!rpBitmaps)
+ return nullptr;
+ else
+ return rpBitmaps->GetBitmap(GetBitmapMode(eArea));
+}
+
+PresenterBitmapContainer::BitmapDescriptor::Mode PresenterScrollBar::GetBitmapMode (
+ const Area eArea) const
+{
+ if (IsDisabled(eArea))
+ return PresenterBitmapContainer::BitmapDescriptor::Disabled;
+ else if (eArea == meMouseMoveArea)
+ return PresenterBitmapContainer::BitmapDescriptor::MouseOver;
+ else
+ return PresenterBitmapContainer::BitmapDescriptor::Normal;
+}
+
+bool PresenterScrollBar::IsDisabled (const Area eArea) const
+{
+ OSL_ASSERT(eArea>=0 && eArea<AreaCount);
+
+ return ! maEnabledState[eArea];
+}
+
+//===== PresenterVerticalScrollBar ============================================
+
+PresenterVerticalScrollBar::PresenterVerticalScrollBar (
+ const Reference<XComponentContext>& rxComponentContext,
+ const Reference<awt::XWindow>& rxParentWindow,
+ const std::shared_ptr<PresenterPaintManager>& rpPaintManager,
+ const ::std::function<void (double)>& rThumbMotionListener)
+ : PresenterScrollBar(rxComponentContext, rxParentWindow, rpPaintManager, rThumbMotionListener),
+ mnScrollBarWidth(0)
+{
+}
+
+PresenterVerticalScrollBar::~PresenterVerticalScrollBar()
+{
+}
+
+double PresenterVerticalScrollBar::GetDragDistance (const sal_Int32, const sal_Int32 nY) const
+{
+ const double nDistance (nY - maDragAnchor.Y);
+ if (nDistance == 0)
+ return 0;
+ else
+ {
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ const double nBarWidth (aWindowBox.Width);
+ const double nPagerHeight (aWindowBox.Height - 2*nBarWidth);
+ const double nDragDistance (mnTotalSize / nPagerHeight * nDistance);
+ if (nDragDistance + mnThumbPosition < 0)
+ return -mnThumbPosition;
+ else if (mnThumbPosition + nDragDistance > mnTotalSize-mnThumbSize)
+ return mnTotalSize-mnThumbSize-mnThumbPosition;
+ else
+ return nDragDistance;
+ }
+}
+
+void PresenterVerticalScrollBar::UpdateDragAnchor (const double nDragDistance)
+{
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ const double nBarWidth (aWindowBox.Width);
+ const double nPagerHeight (aWindowBox.Height - 2*nBarWidth);
+ maDragAnchor.Y += nDragDistance * nPagerHeight / mnTotalSize;
+}
+
+sal_Int32 PresenterVerticalScrollBar::GetSize() const
+{
+ return mnScrollBarWidth;
+}
+
+double PresenterVerticalScrollBar::GetMinor (const double nX, const double) const
+{
+ return nX;
+}
+
+void PresenterVerticalScrollBar::UpdateBorders()
+{
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ double nBottom = aWindowBox.Height;
+
+ if (mpNextButtonDescriptor)
+ {
+ Reference<rendering::XBitmap> xBitmap (mpNextButtonDescriptor->GetNormalBitmap());
+ if (xBitmap.is())
+ {
+ geometry::IntegerSize2D aSize (xBitmap->getSize());
+ maBox[NextButton] = geometry::RealRectangle2D(
+ 0, nBottom - aSize.Height, aWindowBox.Width, nBottom);
+ nBottom -= aSize.Height + gnScrollBarGap;
+ }
+ }
+ if (mpPrevButtonDescriptor)
+ {
+ Reference<rendering::XBitmap> xBitmap (mpPrevButtonDescriptor->GetNormalBitmap());
+ if (xBitmap.is())
+ {
+ geometry::IntegerSize2D aSize (xBitmap->getSize());
+ maBox[PrevButton] = geometry::RealRectangle2D(
+ 0, nBottom - aSize.Height, aWindowBox.Width, nBottom);
+ nBottom -= aSize.Height + gnScrollBarGap;
+ }
+ }
+ const double nPagerHeight (nBottom);
+ maBox[Pager] = geometry::RealRectangle2D(
+ 0,0, aWindowBox.Width, nBottom);
+ if (mnTotalSize < 1)
+ {
+ maBox[Thumb] = maBox[Pager];
+
+ // Set up the enabled/disabled states.
+ maEnabledState[PrevButton] = false;
+ maEnabledState[PagerUp] = false;
+ maEnabledState[NextButton] = false;
+ maEnabledState[PagerDown] = false;
+ maEnabledState[Thumb] = false;
+ }
+ else
+ {
+ const double nThumbSize = ::std::min(mnThumbSize,mnTotalSize);
+ const double nThumbPosition = ::std::clamp(mnThumbPosition, 0.0, mnTotalSize - nThumbSize);
+ maBox[Thumb] = geometry::RealRectangle2D(
+ 0, nThumbPosition / mnTotalSize * nPagerHeight,
+ aWindowBox.Width,
+ (nThumbPosition+nThumbSize) / mnTotalSize * nPagerHeight);
+
+ // Set up the enabled/disabled states.
+ maEnabledState[PrevButton] = nThumbPosition>0;
+ maEnabledState[PagerUp] = nThumbPosition>0;
+ maEnabledState[NextButton] = nThumbPosition+nThumbSize < mnTotalSize;
+ maEnabledState[PagerDown] = nThumbPosition+nThumbSize < mnTotalSize;
+ maEnabledState[Thumb] = nThumbSize < mnTotalSize;
+ }
+ maBox[PagerUp] = geometry::RealRectangle2D(
+ maBox[Pager].X1, maBox[Pager].Y1, maBox[Pager].X2, maBox[Thumb].Y1-1);
+ maBox[PagerDown] = geometry::RealRectangle2D(
+ maBox[Pager].X1, maBox[Thumb].Y2+1, maBox[Pager].X2, maBox[Pager].Y2);
+ maBox[Total] = PresenterGeometryHelper::Union(
+ PresenterGeometryHelper::Union(maBox[PrevButton], maBox[NextButton]),
+ maBox[Pager]);
+}
+
+void PresenterVerticalScrollBar::UpdateBitmaps()
+{
+ if (mpBitmaps == nullptr)
+ return;
+
+ mpPrevButtonDescriptor = mpBitmaps->GetBitmap("Up");
+ mpNextButtonDescriptor = mpBitmaps->GetBitmap("Down");
+ mpPagerStartDescriptor = mpBitmaps->GetBitmap("PagerTop");
+ mpPagerCenterDescriptor = mpBitmaps->GetBitmap("PagerVertical");
+ mpPagerEndDescriptor = mpBitmaps->GetBitmap("PagerBottom");
+ mpThumbStartDescriptor = mpBitmaps->GetBitmap("ThumbTop");
+ mpThumbCenterDescriptor = mpBitmaps->GetBitmap("ThumbVertical");
+ mpThumbEndDescriptor = mpBitmaps->GetBitmap("ThumbBottom");
+
+ mnScrollBarWidth = 0;
+ UpdateWidthOrHeight(mnScrollBarWidth, mpPrevButtonDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpNextButtonDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpPagerStartDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpPagerCenterDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpPagerEndDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpThumbStartDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpThumbCenterDescriptor);
+ UpdateWidthOrHeight(mnScrollBarWidth, mpThumbEndDescriptor);
+ if (mnScrollBarWidth == 0)
+ mnScrollBarWidth = 20;
+}
+
+void PresenterVerticalScrollBar::PaintComposite(
+ const css::awt::Rectangle& rUpdateBox,
+ const Area eArea,
+ const SharedBitmapDescriptor& rpStartBitmaps,
+ const SharedBitmapDescriptor& rpCenterBitmaps,
+ const SharedBitmapDescriptor& rpEndBitmaps)
+{
+ const awt::Rectangle aWindowBox (mxWindow->getPosSize());
+ geometry::RealRectangle2D aBox (GetRectangle(eArea));
+ aBox.X1 += aWindowBox.X;
+ aBox.Y1 += aWindowBox.Y;
+ aBox.X2 += aWindowBox.X;
+ aBox.Y2 += aWindowBox.Y;
+
+ // Get bitmaps and sizes.
+
+ PresenterUIPainter::PaintVerticalBitmapComposite(
+ mxCanvas,
+ rUpdateBox,
+ (eArea == Thumb
+ ? PresenterGeometryHelper::ConvertRectangleWithConstantSize(aBox)
+ : PresenterGeometryHelper::ConvertRectangle(aBox)),
+ GetBitmap(eArea, rpStartBitmaps),
+ GetBitmap(eArea, rpCenterBitmaps),
+ GetBitmap(eArea, rpEndBitmaps));
+}
+
+//===== PresenterScrollBar::MousePressRepeater ================================
+
+PresenterScrollBar::MousePressRepeater::MousePressRepeater (
+ ::rtl::Reference<PresenterScrollBar> xScrollBar)
+ : mnMousePressRepeaterTaskId(PresenterTimer::NotAValidTaskId),
+ mpScrollBar(std::move(xScrollBar)),
+ meMouseArea(PresenterScrollBar::None)
+{
+}
+
+void PresenterScrollBar::MousePressRepeater::Dispose()
+{
+ Stop();
+ mpScrollBar = nullptr;
+}
+
+void PresenterScrollBar::MousePressRepeater::Start (const PresenterScrollBar::Area& reArea)
+{
+ meMouseArea = reArea;
+
+ if (mnMousePressRepeaterTaskId == PresenterTimer::NotAValidTaskId)
+ {
+ // Execute key press operation at least this one time.
+ Execute();
+
+ // Schedule repeated executions.
+ auto pThis(shared_from_this());
+ mnMousePressRepeaterTaskId = PresenterTimer::ScheduleRepeatedTask (
+ mpScrollBar->GetComponentContext(),
+ [pThis] (TimeValue const&) { return pThis->Callback(); },
+ 500000000,
+ 250000000);
+ }
+ else
+ {
+ // There is already an active repeating task.
+ }
+}
+
+void PresenterScrollBar::MousePressRepeater::Stop()
+{
+ if (mnMousePressRepeaterTaskId != PresenterTimer::NotAValidTaskId)
+ {
+ const sal_Int32 nTaskId (mnMousePressRepeaterTaskId);
+ mnMousePressRepeaterTaskId = PresenterTimer::NotAValidTaskId;
+ PresenterTimer::CancelTask(nTaskId);
+ }
+}
+
+void PresenterScrollBar::MousePressRepeater::SetMouseArea(const PresenterScrollBar::Area& reArea)
+{
+ if (meMouseArea != reArea)
+ {
+ if (mnMousePressRepeaterTaskId != PresenterTimer::NotAValidTaskId)
+ {
+ Stop();
+ }
+ }
+}
+
+void PresenterScrollBar::MousePressRepeater::Callback ()
+{
+ if (!mpScrollBar)
+ {
+ Stop();
+ return;
+ }
+
+ Execute();
+}
+
+void PresenterScrollBar::MousePressRepeater::Execute()
+{
+ const double nThumbPosition (mpScrollBar->GetThumbPosition());
+ switch (meMouseArea)
+ {
+ case PrevButton:
+ mpScrollBar->SetThumbPosition(nThumbPosition - mpScrollBar->GetLineHeight(), true);
+ break;
+
+ case NextButton:
+ mpScrollBar->SetThumbPosition(nThumbPosition + mpScrollBar->GetLineHeight(), true);
+ break;
+
+ case PagerUp:
+ mpScrollBar->SetThumbPosition(nThumbPosition - mpScrollBar->GetThumbSize()*0.8, true);
+ break;
+
+ case PagerDown:
+ mpScrollBar->SetThumbPosition(nThumbPosition + mpScrollBar->GetThumbSize()*0.8, true);
+ break;
+
+ default:
+ break;
+ }
+}
+
+} // end of namespace ::sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */