1 files changed, 159 insertions, 0 deletions
diff --git a/svx/source/dialog/measctrl.cxx b/svx/source/dialog/measctrl.cxx
new file mode 100644
index 000000000..ac1303db2
--- /dev/null
+++ b/svx/source/dialog/measctrl.cxx
@@ -0,0 +1,159 @@
+/* -*- 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/svdomeas.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/measctrl.hxx>
+#include <svx/dlgutil.hxx>
+#include <vcl/event.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/svapp.hxx>
+#include <memory>
+
+SvxXMeasurePreview::SvxXMeasurePreview()
+    : m_aMapMode(MapUnit::Map100thMM)
+{
+    // Scale: 1:2
+    m_aMapMode.SetScaleX(Fraction(1, 2));
+    m_aMapMode.SetScaleY(Fraction(1, 2));
+}
+
+void SvxXMeasurePreview::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    Size aSize(getPreviewStripSize(pDrawingArea->get_ref_device()));
+    pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
+
+    pModel.reset(new SdrModel(nullptr, nullptr, true));
+    pMeasureObj.reset(new SdrMeasureObj(*pModel, Point(), Point()));
+
+    ResizeImpl(aSize);
+    Invalidate();
+}
+
+void SvxXMeasurePreview::ResizeImpl(const Size& rSize)
+{
+    OutputDevice& rRefDevice = GetDrawingArea()->get_ref_device();
+    rRefDevice.Push(vcl::PushFlags::MAPMODE);
+
+    rRefDevice.SetMapMode(m_aMapMode);
+
+    Size aSize = rRefDevice.PixelToLogic(rSize);
+    Point aPt1(aSize.Width() / 5, static_cast<tools::Long>(aSize.Height() / 2));
+    pMeasureObj->SetPoint(aPt1, 0);
+    Point aPt2(aSize.Width() * 4 / 5, static_cast<tools::Long>(aSize.Height() / 2));
+    pMeasureObj->SetPoint(aPt2, 1);
+
+    rRefDevice.Pop();
+}
+
+void SvxXMeasurePreview::Resize()
+{
+    CustomWidgetController::Resize();
+    ResizeImpl(GetOutputSizePixel());
+    Invalidate();
+}
+
+SvxXMeasurePreview::~SvxXMeasurePreview() {}
+
+void SvxXMeasurePreview::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    rRenderContext.SetBackground(rRenderContext.GetSettings().GetStyleSettings().GetWindowColor());
+    rRenderContext.Erase();
+
+    rRenderContext.Push(vcl::PushFlags::MAPMODE);
+    rRenderContext.SetMapMode(m_aMapMode);
+
+    bool bHighContrast = Application::GetSettings().GetStyleSettings().GetHighContrastMode();
+    rRenderContext.SetDrawMode(bHighContrast ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR);
+    pMeasureObj->SingleObjectPainter(rRenderContext);
+
+    rRenderContext.Pop();
+}
+
+void SvxXMeasurePreview::SetAttributes(const SfxItemSet& rInAttrs)
+{
+    pMeasureObj->SetMergedItemSetAndBroadcast(rInAttrs);
+
+    Invalidate();
+}
+
+bool SvxXMeasurePreview::MouseButtonDown(const MouseEvent& rMEvt)
+{
+    bool bZoomIn = rMEvt.IsLeft() && !rMEvt.IsShift();
+    bool bZoomOut = rMEvt.IsRight() || rMEvt.IsShift();
+    bool bCtrl = rMEvt.IsMod1();
+
+    if (bZoomIn || bZoomOut)
+    {
+        Fraction aXFrac = m_aMapMode.GetScaleX();
+        Fraction aYFrac = m_aMapMode.GetScaleY();
+        std::unique_ptr<Fraction> pMultFrac;
+
+        if (bZoomIn)
+        {
+            if (bCtrl)
+                pMultFrac.reset(new Fraction(3, 2));
+            else
+                pMultFrac.reset(new Fraction(11, 10));
+        }
+        else
+        {
+            if (bCtrl)
+                pMultFrac.reset(new Fraction(2, 3));
+            else
+                pMultFrac.reset(new Fraction(10, 11));
+        }
+
+        aXFrac *= *pMultFrac;
+        aYFrac *= *pMultFrac;
+
+        if (double(aXFrac) > 0.001 && double(aXFrac) < 1000.0 && double(aYFrac) > 0.001
+            && double(aYFrac) < 1000.0)
+        {
+            m_aMapMode.SetScaleX(aXFrac);
+            m_aMapMode.SetScaleY(aYFrac);
+
+            OutputDevice& rRefDevice = GetDrawingArea()->get_ref_device();
+            rRefDevice.Push(vcl::PushFlags::MAPMODE);
+            rRefDevice.SetMapMode(m_aMapMode);
+            Size aOutSize(rRefDevice.PixelToLogic(GetOutputSizePixel()));
+            rRefDevice.Pop();
+
+            Point aPt(m_aMapMode.GetOrigin());
+            tools::Long nX = tools::Long(
+                (double(aOutSize.Width()) - (double(aOutSize.Width()) * double(*pMultFrac))) / 2.0
+                + 0.5);
+            tools::Long nY = tools::Long(
+                (double(aOutSize.Height()) - (double(aOutSize.Height()) * double(*pMultFrac))) / 2.0
+                + 0.5);
+            aPt.AdjustX(nX);
+            aPt.AdjustY(nY);
+
+            m_aMapMode.SetOrigin(aPt);
+
+            Invalidate();
+        }
+    }
+
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */