Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 447 insertions, 0 deletions

diff --git a/sdext/source/presenter/PresenterButton.cxx b/sdext/source/presenter/PresenterButton.cxx
new file mode 100644
index 000000000..61de170c0
--- /dev/null
+++ b/sdext/source/presenter/PresenterButton.cxx
@@ -0,0 +1,447 @@
+/* -*- 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 "PresenterButton.hxx"
+#include "PresenterCanvasHelper.hxx"
+#include "PresenterController.hxx"
+#include "PresenterGeometryHelper.hxx"
+#include "PresenterPaintManager.hxx"
+#include "PresenterUIPainter.hxx"
+#include <com/sun/star/awt/PosSize.hpp>
+#include <com/sun/star/awt/XWindowPeer.hpp>
+#include <com/sun/star/drawing/XPresenterHelper.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/TextDirection.hpp>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace sdext::presenter {
+
+const double gnHorizontalBorder (15);
+const double gnVerticalBorder (5);
+
+::rtl::Reference<PresenterButton> PresenterButton::Create (
+    const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+    const ::rtl::Reference<PresenterController>& rpPresenterController,
+    const std::shared_ptr<PresenterTheme>& rpTheme,
+    const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
+    const css::uno::Reference<css::rendering::XCanvas>& rxParentCanvas,
+    const OUString& rsConfigurationName)
+{
+    Reference<beans::XPropertySet> xProperties (GetConfigurationProperties(
+        rxComponentContext,
+        rsConfigurationName));
+    if (xProperties.is())
+    {
+        OUString sText;
+        OUString sAction;
+        PresenterConfigurationAccess::GetProperty(xProperties, "Text") >>= sText;
+        PresenterConfigurationAccess::GetProperty(xProperties, "Action") >>= sAction;
+
+        PresenterTheme::SharedFontDescriptor pFont;
+        if (rpTheme != nullptr)
+            pFont = rpTheme->GetFont("ButtonFont");
+
+        PresenterTheme::SharedFontDescriptor pMouseOverFont;
+        if (rpTheme != nullptr)
+            pMouseOverFont = rpTheme->GetFont("ButtonMouseOverFont");
+
+        rtl::Reference<PresenterButton> pButton (
+            new PresenterButton(
+                rxComponentContext,
+                rpPresenterController,
+                rpTheme,
+                rxParentWindow,
+                pFont,
+                pMouseOverFont,
+                sText,
+                sAction));
+        pButton->SetCanvas(rxParentCanvas, rxParentWindow);
+        return pButton;
+    }
+    else
+        return nullptr;
+}
+
+PresenterButton::PresenterButton (
+    const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+    const ::rtl::Reference<PresenterController>& rpPresenterController,
+    const std::shared_ptr<PresenterTheme>& rpTheme,
+    const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
+    const PresenterTheme::SharedFontDescriptor& rpFont,
+    const PresenterTheme::SharedFontDescriptor& rpMouseOverFont,
+    const OUString& rsText,
+    const OUString& rsAction)
+    : PresenterButtonInterfaceBase(m_aMutex),
+      mpPresenterController(rpPresenterController),
+      mpTheme(rpTheme),
+      msText(rsText),
+      mpFont(rpFont),
+      mpMouseOverFont(rpMouseOverFont),
+      msAction(rsAction),
+      maButtonSize(-1,-1),
+      meState(PresenterBitmapDescriptor::Normal)
+{
+    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.
+        Reference<awt::XWindowPeer> xPeer (mxWindow, UNO_QUERY_THROW);
+        xPeer->setBackground(0xff000000);
+
+        mxWindow->setVisible(true);
+        mxWindow->addPaintListener(this);
+        mxWindow->addMouseListener(this);
+    }
+    catch (RuntimeException&)
+    {
+    }
+}
+
+PresenterButton::~PresenterButton()
+{
+}
+
+void SAL_CALL PresenterButton::disposing()
+{
+    if (mxCanvas.is())
+    {
+        Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY);
+        mxCanvas = nullptr;
+        if (xComponent.is())
+            xComponent->dispose();
+    }
+
+    if (mxWindow.is())
+    {
+        mxWindow->removePaintListener(this);
+        mxWindow->removeMouseListener(this);
+        Reference<lang::XComponent> xComponent = mxWindow;
+        mxWindow = nullptr;
+        if (xComponent.is())
+            xComponent->dispose();
+    }
+}
+
+void PresenterButton::SetCenter (const css::geometry::RealPoint2D& rLocation)
+{
+    if (mxCanvas.is())
+    {
+        Invalidate();
+
+        maCenter = rLocation;
+        mxWindow->setPosSize(
+            sal_Int32(0.5 + maCenter.X - maButtonSize.Width/2),
+            sal_Int32(0.5 + maCenter.Y - maButtonSize.Height/2),
+            maButtonSize.Width,
+            maButtonSize.Height,
+            awt::PosSize::POSSIZE);
+
+        Invalidate();
+    }
+    else
+    {
+        // The button can not be painted but we can at least store the new center.
+        maCenter = rLocation;
+    }
+}
+
+void PresenterButton::SetCanvas (
+    const css::uno::Reference<css::rendering::XCanvas>& rxParentCanvas,
+    const css::uno::Reference<css::awt::XWindow>& rxParentWindow)
+{
+    if (mxCanvas.is())
+    {
+        Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY);
+        mxCanvas = nullptr;
+        if (xComponent.is())
+            xComponent->dispose();
+    }
+
+    if (!(mxPresenterHelper.is() && rxParentCanvas.is() && rxParentWindow.is()))
+        return;
+
+    mxCanvas = mxPresenterHelper->createSharedCanvas (
+        Reference<rendering::XSpriteCanvas>(rxParentCanvas, UNO_QUERY),
+        rxParentWindow,
+        rxParentCanvas,
+        rxParentWindow,
+        mxWindow);
+    if (mxCanvas.is())
+    {
+        SetupButtonBitmaps();
+        SetCenter(maCenter);
+    }
+}
+
+css::geometry::IntegerSize2D const & PresenterButton::GetSize()
+{
+    if (maButtonSize.Width < 0)
+        CalculateButtonSize();
+    return maButtonSize;
+}
+
+//----- XPaintListener --------------------------------------------------------
+
+void SAL_CALL PresenterButton::windowPaint (const css::awt::PaintEvent& rEvent)
+{
+    ThrowIfDisposed();
+    if (!(mxWindow.is() && mxCanvas.is()))
+        return;
+
+    Reference<rendering::XBitmap> xBitmap;
+    if (meState == PresenterBitmapDescriptor::MouseOver)
+        xBitmap = mxMouseOverBitmap;
+    else
+        xBitmap = mxNormalBitmap;
+    if ( ! xBitmap.is())
+        return;
+
+    rendering::ViewState aViewState(
+        geometry::AffineMatrix2D(1,0,0, 0,1,0),
+        nullptr);
+    rendering::RenderState aRenderState(
+        geometry::AffineMatrix2D(1,0,0, 0,1,0),
+        PresenterGeometryHelper::CreatePolygon(rEvent.UpdateRect, mxCanvas->getDevice()),
+        Sequence<double>(4),
+        rendering::CompositeOperation::SOURCE);
+
+    mxCanvas->drawBitmap(xBitmap, aViewState, aRenderState);
+
+    Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY);
+    if (xSpriteCanvas.is())
+        xSpriteCanvas->updateScreen(false);
+}
+
+//----- XMouseListener --------------------------------------------------------
+
+void SAL_CALL PresenterButton::mousePressed (const css::awt::MouseEvent&)
+{
+    ThrowIfDisposed();
+    meState = PresenterBitmapDescriptor::ButtonDown;
+}
+
+void SAL_CALL PresenterButton::mouseReleased (const css::awt::MouseEvent&)
+{
+    ThrowIfDisposed();
+
+    if (meState == PresenterBitmapDescriptor::ButtonDown)
+    {
+        OSL_ASSERT(mpPresenterController);
+        mpPresenterController->DispatchUnoCommand(msAction);
+
+        meState = PresenterBitmapDescriptor::Normal;
+        Invalidate();
+    }
+}
+
+void SAL_CALL PresenterButton::mouseEntered (const css::awt::MouseEvent&)
+{
+    ThrowIfDisposed();
+    meState = PresenterBitmapDescriptor::MouseOver;
+    Invalidate();
+}
+
+void SAL_CALL PresenterButton::mouseExited (const css::awt::MouseEvent&)
+{
+    ThrowIfDisposed();
+    meState = PresenterBitmapDescriptor::Normal;
+    Invalidate();
+}
+
+//----- lang::XEventListener --------------------------------------------------
+
+void SAL_CALL PresenterButton::disposing (const css::lang::EventObject& rEvent)
+{
+    if (rEvent.Source == mxWindow)
+        mxWindow = nullptr;
+}
+
+
+css::geometry::IntegerSize2D PresenterButton::CalculateButtonSize()
+{
+    if (mpFont && !mpFont->mxFont.is() && mxCanvas.is())
+        mpFont->PrepareFont(mxCanvas);
+    if (!mpFont || !mpFont->mxFont.is())
+        return geometry::IntegerSize2D(-1,-1);
+
+    geometry::RealSize2D aTextSize (PresenterCanvasHelper::GetTextSize(mpFont->mxFont,msText));
+
+    return geometry::IntegerSize2D (
+        sal_Int32(0.5 + aTextSize.Width + 2*gnHorizontalBorder),
+        sal_Int32(0.5 + aTextSize.Height + 2*gnVerticalBorder));
+}
+
+void PresenterButton::RenderButton (
+    const Reference<rendering::XCanvas>& rxCanvas,
+    const geometry::IntegerSize2D& rSize,
+    const PresenterTheme::SharedFontDescriptor& rpFont,
+    const PresenterBitmapDescriptor::Mode eMode,
+    const SharedBitmapDescriptor& rpLeft,
+    const SharedBitmapDescriptor& rpCenter,
+    const SharedBitmapDescriptor& rpRight)
+{
+    if ( ! rxCanvas.is())
+        return;
+
+    const awt::Rectangle aBox(0,0, rSize.Width, rSize.Height);
+
+    PresenterUIPainter::PaintHorizontalBitmapComposite (
+        rxCanvas,
+        aBox,
+        aBox,
+        GetBitmap(rpLeft, eMode),
+        GetBitmap(rpCenter, eMode),
+        GetBitmap(rpRight, eMode));
+
+    if (!rpFont || ! rpFont->mxFont.is())
+        return;
+
+    const rendering::StringContext aContext (msText, 0, msText.getLength());
+    const Reference<rendering::XTextLayout> xLayout (
+        rpFont->mxFont->createTextLayout(aContext,rendering::TextDirection::WEAK_LEFT_TO_RIGHT,0));
+    const geometry::RealRectangle2D aTextBBox (xLayout->queryTextBounds());
+
+    rendering::RenderState aRenderState (geometry::AffineMatrix2D(1,0,0, 0,1,0), nullptr,
+        Sequence<double>(4), rendering::CompositeOperation::SOURCE);
+    PresenterCanvasHelper::SetDeviceColor(aRenderState, rpFont->mnColor);
+
+    aRenderState.AffineTransform.m02 = (rSize.Width - aTextBBox.X2 + aTextBBox.X1)/2;
+    aRenderState.AffineTransform.m12 = (rSize.Height - aTextBBox.Y2 + aTextBBox.Y1)/2 - aTextBBox.Y1;
+
+    /// this is responsible of the close button
+    rxCanvas->drawTextLayout(
+        xLayout,
+        rendering::ViewState(geometry::AffineMatrix2D(1,0,0, 0,1,0), nullptr),
+        aRenderState);
+}
+
+void PresenterButton::Invalidate()
+{
+    mpPresenterController->GetPaintManager()->Invalidate(mxWindow);
+}
+
+Reference<rendering::XBitmap> PresenterButton::GetBitmap (
+    const SharedBitmapDescriptor& mpIcon,
+    const PresenterBitmapDescriptor::Mode eMode)
+{
+    if (mpIcon)
+        return mpIcon->GetBitmap(eMode);
+    else
+    {
+        OSL_ASSERT(mpIcon);
+        return nullptr;
+    }
+}
+
+void PresenterButton::SetupButtonBitmaps()
+{
+    if ( ! mxCanvas.is())
+        return;
+    if ( ! mxCanvas->getDevice().is())
+        return;
+
+    // Get the bitmaps for the button border.
+    SharedBitmapDescriptor pLeftBitmap (mpTheme->GetBitmap("ButtonFrameLeft"));
+    SharedBitmapDescriptor pCenterBitmap(mpTheme->GetBitmap("ButtonFrameCenter"));
+    SharedBitmapDescriptor pRightBitmap(mpTheme->GetBitmap("ButtonFrameRight"));
+
+    maButtonSize = CalculateButtonSize();
+
+    if (maButtonSize.Height<=0 && maButtonSize.Width<= 0)
+        return;
+
+    mxNormalBitmap = mxCanvas->getDevice()->createCompatibleAlphaBitmap(maButtonSize);
+    Reference<rendering::XCanvas> xCanvas (mxNormalBitmap, UNO_QUERY);
+    if (xCanvas.is())
+        RenderButton(
+            xCanvas,
+            maButtonSize,
+            mpFont,
+            PresenterBitmapDescriptor::Normal,
+            pLeftBitmap,
+            pCenterBitmap,
+            pRightBitmap);
+
+    mxMouseOverBitmap = mxCanvas->getDevice()->createCompatibleAlphaBitmap(maButtonSize);
+    xCanvas.set(mxMouseOverBitmap, UNO_QUERY);
+    if (mpMouseOverFont && !mpMouseOverFont->mxFont.is() && mxCanvas.is())
+        mpMouseOverFont->PrepareFont(mxCanvas);
+    if (xCanvas.is())
+        RenderButton(
+            xCanvas,
+            maButtonSize,
+            mpMouseOverFont,
+            PresenterBitmapDescriptor::MouseOver,
+            pLeftBitmap,
+            pCenterBitmap,
+            pRightBitmap);
+}
+
+Reference<beans::XPropertySet> PresenterButton::GetConfigurationProperties (
+    const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+    const OUString& rsConfigurationName)
+{
+    PresenterConfigurationAccess aConfiguration (
+        rxComponentContext,
+        PresenterConfigurationAccess::msPresenterScreenRootName,
+        PresenterConfigurationAccess::READ_ONLY);
+    return Reference<beans::XPropertySet>(
+        PresenterConfigurationAccess::Find (
+            Reference<container::XNameAccess>(
+                aConfiguration.GetConfigurationNode("PresenterScreenSettings/Buttons"),
+                UNO_QUERY),
+            [&rsConfigurationName](OUString const&, uno::Reference<beans::XPropertySet> const& xProps) -> bool
+            {
+                return PresenterConfigurationAccess::IsStringPropertyEqual(
+                        rsConfigurationName, "Name", xProps);
+            }),
+        UNO_QUERY);
+}
+
+void PresenterButton::ThrowIfDisposed() const
+{
+    if (rBHelper.bDisposed || rBHelper.bInDispose)
+    {
+        throw lang::DisposedException (
+            "PresenterButton object has already been disposed",
+            const_cast<uno::XWeak*>(static_cast<const uno::XWeak*>(this)));
+    }
+}
+
+} // end of namespace sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */