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, 214 insertions, 0 deletions

diff --git a/svx/source/dialog/paraprev.cxx b/svx/source/dialog/paraprev.cxx
new file mode 100644
index 000000000..27dccbfd9
--- /dev/null
+++ b/svx/source/dialog/paraprev.cxx
@@ -0,0 +1,214 @@
+/* -*- 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 <sfx2/dialoghelper.hxx>
+#include <svx/paraprev.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/settings.hxx>
+
+SvxParaPrevWindow::SvxParaPrevWindow() :
+    nLeftMargin     ( 0 ),
+    nRightMargin    ( 0 ),
+    nFirstLineOffset  ( 0 ),
+    nUpper          ( 0 ),
+    nLower          ( 0 ),
+    eAdjust         ( SvxAdjust::Left ),
+    eLastLine       ( SvxAdjust::Left ),
+    eLine           ( SvxPrevLineSpace::N1 )
+{
+    aSize = Size(11905, 16837);
+}
+
+void SvxParaPrevWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    Size aOptimalSize(getParagraphPreviewOptimalSize(pDrawingArea->get_ref_device()));
+    pDrawingArea->set_size_request(aOptimalSize.Width(), aOptimalSize.Height());
+}
+
+void SvxParaPrevWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    DrawParagraph(rRenderContext);
+}
+
+#define DEF_MARGIN  120
+
+void SvxParaPrevWindow::DrawParagraph(vcl::RenderContext& rRenderContext)
+{
+    // Count in Twips by default
+    rRenderContext.Push(vcl::PushFlags::MAPMODE);
+    rRenderContext.SetMapMode(MapMode(MapUnit::MapTwip));
+
+    Size aWinSize(GetOutputSizePixel());
+    aWinSize = rRenderContext.PixelToLogic(aWinSize);
+    Size aTmp(1, 1);
+    aTmp = rRenderContext.PixelToLogic(aTmp);
+    aWinSize.AdjustWidth( -(aTmp.Width() /2) );
+    aWinSize.AdjustHeight( -(aTmp.Height() /2) );
+
+    const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
+    const Color& rWinColor = rStyleSettings.GetWindowColor();
+    Color aGrayColor(COL_LIGHTGRAY);
+
+    rRenderContext.SetFillColor(rWinColor);
+    rRenderContext.DrawRect(tools::Rectangle(Point(), aWinSize));
+
+    rRenderContext.SetLineColor();
+
+    tools::Long nH = aWinSize.Height() / 19;
+    Size aLineSiz(aWinSize.Width() - DEF_MARGIN, nH);
+    Size aSiz = aLineSiz;
+    Point aPnt;
+    aPnt.setX( DEF_MARGIN / 2 );
+    rRenderContext.SetFillColor(aGrayColor);
+
+    for (sal_uInt16 i = 0; i < 9; ++i)
+    {
+        if (i == 3)
+        {
+            rRenderContext.SetFillColor(COL_GRAY);
+            auto nTop = nUpper * aLineSiz.Height() / aSize.Height();
+            aPnt.AdjustY(nTop * 2 );
+        }
+
+        if (i == 6 )
+            rRenderContext.SetFillColor(aGrayColor);
+
+        if (3 <= i && 6 > i)
+        {
+            tools::Long nLeft = nLeftMargin * aLineSiz.Width() / aSize.Width();
+            tools::Long nFirst = nFirstLineOffset * aLineSiz.Width() / aSize.Width();
+            tools::Long nTmp = nLeft + nFirst;
+
+            if (i == 3)
+            {
+                aPnt.AdjustX(nTmp );
+                aSiz.AdjustWidth( -nTmp );
+            }
+            else
+            {
+                aPnt.AdjustX(nLeft );
+                aSiz.AdjustWidth( -nLeft );
+            }
+            tools::Long nRight = nRightMargin * aLineSiz.Width() / aSize.Width();
+            aSiz.AdjustWidth( -nRight );
+        }
+
+        if (4 == i || 5 == i || 6 == i)
+        {
+            switch (eLine)
+            {
+                case SvxPrevLineSpace::N1:
+                    break;
+                case SvxPrevLineSpace::N115:
+                    aPnt.AdjustY(nH / 6.67 ); // 1/.15 = 6.(6)
+                    break;
+                case SvxPrevLineSpace::N15:
+                    aPnt.AdjustY(nH / 2 );
+                    break;
+                case SvxPrevLineSpace::N2:
+                    aPnt.AdjustY(nH );
+                    break;
+                case SvxPrevLineSpace::Prop:
+                case SvxPrevLineSpace::Min:
+                case SvxPrevLineSpace::Leading:
+                    break;
+            }
+        }
+
+        aPnt.AdjustY(nH );
+
+        if (3 <= i && 5 >= i)
+        {
+            tools::Long nLW = tools::Long();
+            switch (i)
+            {
+                case 3:
+                    nLW = aLineSiz.Width() * 8 / 10;
+                    break;
+                case 4:
+                    nLW = aLineSiz.Width() * 9 / 10;
+                    break;
+                case 5:
+                    nLW = aLineSiz.Width() / 2;
+                    break;
+            }
+
+            if (nLW > aSiz.Width())
+                nLW = aSiz.Width();
+
+            switch (eAdjust)
+            {
+                case SvxAdjust::Left:
+                    break;
+                case SvxAdjust::Right:
+                    aPnt.AdjustX( aSiz.Width() - nLW );
+                    break;
+                case SvxAdjust::Center:
+                    aPnt.AdjustX(( aSiz.Width() - nLW ) / 2 );
+                    break;
+                default: ; //prevent warning
+            }
+            if (SvxAdjust::Block == eAdjust)
+            {
+                if(5 == i)
+                {
+                    switch( eLastLine )
+                    {
+                        case SvxAdjust::Left:
+                            break;
+                        case SvxAdjust::Right:
+                            aPnt.AdjustX( aSiz.Width() - nLW );
+                            break;
+                        case SvxAdjust::Center:
+                            aPnt.AdjustX(( aSiz.Width() - nLW ) / 2 );
+                            break;
+                        case SvxAdjust::Block:
+                            nLW = aSiz.Width();
+                            break;
+                        default: ; //prevent warning
+                    }
+                }
+                else
+                    nLW = aSiz.Width();
+            }
+            aSiz.setWidth( nLW );
+        }
+
+        tools::Rectangle aRect(aPnt, aSiz);
+
+        rRenderContext.DrawRect( aRect );
+
+        if (5 == i)
+        {
+            auto nBottom = nLower * aLineSiz.Height() / aSize.Height();
+            aPnt.AdjustY(nBottom * 2 );
+        }
+
+        aPnt.AdjustY(nH );
+        // Reset, recalculate for each line
+        aPnt.setX( DEF_MARGIN / 2 );
+        aSiz = aLineSiz;
+    }
+    rRenderContext.Pop();
+}
+
+#undef DEF_MARGIN
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */