181 lines
7.5 KiB
C++
181 lines
7.5 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 <overlayobject.hxx>
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#include <drawinglayer/attribute/fontattribute.hxx>
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#include <drawinglayer/geometry/viewinformation2d.hxx>
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#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
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#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
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#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
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#include <drawinglayer/primitive2d/textprimitive2d.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include <tools/lineend.hxx>
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#include <utility>
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#include <vcl/outdev.hxx>
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#include <vcl/settings.hxx>
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#include <vcl/metric.hxx>
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#include <sal/log.hxx>
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#define HINT_LINESPACE 2
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#define HINT_INDENT 3
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#define HINT_MARGIN 4
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ScOverlayHint::ScOverlayHint(OUString aTit, const OUString& rMsg,
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const Color& rBackColor, const Color& rTextColor,
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vcl::Font aFont)
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: OverlayObject(rBackColor)
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, m_aTitle(std::move(aTit))
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, m_aMessage(convertLineEnd(rMsg, LINEEND_CR))
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, m_aTextFont(std::move(aFont))
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, m_aTextColor(rTextColor)
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, m_aMapMode(MapUnit::MapPixel)
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, m_nLeft(0)
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, m_nTop(0)
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{
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}
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drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlaySequence(sal_Int32 nLeft, sal_Int32 nTop,
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const MapMode &rMapMode,
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basegfx::B2DRange &rRange) const
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{
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OutputDevice* pDefaultDev = Application::GetDefaultDevice();
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MapMode aOld = pDefaultDev->GetMapMode();
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pDefaultDev->SetMapMode(rMapMode);
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vcl::Font aTextFont = m_aTextFont;
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aTextFont.SetFontSize(pDefaultDev->PixelToLogic(aTextFont.GetFontSize(), rMapMode));
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vcl::Font aHeadFont = aTextFont;
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aHeadFont.SetWeight(WEIGHT_BOLD);
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// Create the text primitive for the title
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basegfx::B2DVector aFontSize;
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drawinglayer::attribute::FontAttribute aFontAttr =
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drawinglayer::primitive2d::getFontAttributeFromVclFont(aFontSize, aHeadFont, false, false);
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FontMetric aFontMetric = pDefaultDev->GetFontMetric(aHeadFont);
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Size aHintMargin = pDefaultDev->PixelToLogic(Size(HINT_MARGIN, HINT_MARGIN), rMapMode);
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Size aIndent = pDefaultDev->PixelToLogic(Size(HINT_INDENT, HINT_LINESPACE), rMapMode);
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double nTextOffsetY = nTop + aHintMargin.Height() + aFontMetric.GetAscent();
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Point aTextPos(nLeft + aHintMargin.Width() , nTextOffsetY);
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rRange = basegfx::B2DRange(nLeft, nTop, nLeft + aHintMargin.Width(), nTop + aHintMargin.Height());
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basegfx::B2DHomMatrix aTextMatrix(basegfx::utils::createScaleTranslateB2DHomMatrix(
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aFontSize.getX(), aFontSize.getY(),
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aTextPos.X(), aTextPos.Y()));
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rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> pTitle =
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new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(
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aTextMatrix, m_aTitle, 0, m_aTitle.getLength(),
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std::vector<double>(), {}, std::move(aFontAttr), css::lang::Locale(),
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m_aTextColor.getBColor());
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Point aTextStart(nLeft + aHintMargin.Width() + aIndent.Width(),
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nTop + aHintMargin.Height() + aFontMetric.GetLineHeight() + aIndent.Height());
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drawinglayer::geometry::ViewInformation2D aDummy;
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rRange.expand(pTitle->getB2DRange(aDummy));
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// insert two empty elements as placeholders for bg and border
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drawinglayer::primitive2d::Primitive2DContainer aSeq { nullptr, nullptr, pTitle };
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aFontMetric = pDefaultDev->GetFontMetric(aTextFont);
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pDefaultDev->SetMapMode(aOld);
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nTextOffsetY = aFontMetric.GetAscent();
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sal_Int32 nLineHeight = aFontMetric.GetLineHeight();
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aFontAttr = drawinglayer::primitive2d::getFontAttributeFromVclFont(aFontSize, aTextFont, false, false);
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sal_Int32 nIndex = 0;
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Point aLineStart = aTextStart;
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sal_Int32 nLineCount = 0;
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while (nIndex != -1)
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{
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OUString aLine = m_aMessage.getToken( 0, '\r', nIndex );
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if (aLine.getLength() > 255)
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{
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// prevent silliness higher up from hanging up the program
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SAL_WARN("sc", "ridiculously long line, truncating, len=" << aLine.getLength());
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aLine = aLine.copy(0,255);
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}
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aTextMatrix = basegfx::utils::createScaleTranslateB2DHomMatrix(
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aFontSize.getX(), aFontSize.getY(),
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aLineStart.X(), aLineStart.Y() + nTextOffsetY);
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// Create the text primitive for each line of text
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rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> pMessage =
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new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(
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aTextMatrix, aLine, 0, aLine.getLength(),
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std::vector<double>(), {}, aFontAttr, css::lang::Locale(),
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m_aTextColor.getBColor());
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rRange.expand(pMessage->getB2DRange(aDummy));
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aSeq.push_back(pMessage);
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aLineStart.AdjustY(nLineHeight );
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nLineCount++;
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if (nLineCount > 50)
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{
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// prevent silliness higher up from hanging up the program
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SAL_WARN("sc", "ridiculously long message, bailing out");
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break;
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}
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}
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rRange.expand(basegfx::B2DTuple(rRange.getMaxX() + aHintMargin.Width(),
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rRange.getMaxY() + aHintMargin.Height()));
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basegfx::B2DPolygon aPoly(basegfx::utils::createPolygonFromRect(rRange));
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// background
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aSeq[0] = drawinglayer::primitive2d::Primitive2DReference(
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new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPoly), getBaseColor().getBColor()));
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// border
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aSeq[1] = drawinglayer::primitive2d::Primitive2DReference(
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new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
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std::move(aPoly), basegfx::BColor(0.5, 0.5, 0.5)));
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return aSeq;
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}
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drawinglayer::primitive2d::Primitive2DContainer ScOverlayHint::createOverlayObjectPrimitive2DSequence()
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{
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basegfx::B2DRange aRange;
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return createOverlaySequence(m_nLeft, m_nTop, m_aMapMode, aRange);
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}
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Size ScOverlayHint::GetSizePixel() const
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{
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basegfx::B2DRange aRange;
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createOverlaySequence(0, 0, MapMode(MapUnit::MapPixel), aRange);
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return Size(aRange.getWidth(), aRange.getHeight());
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}
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void ScOverlayHint::SetPos(const Point& rPos, const MapMode& rMode)
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{
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m_nLeft = rPos.X();
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m_nTop = rPos.Y();
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m_aMapMode = rMode;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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