2c6f28f431
Change-Id: I3cecd622aa04d842a449b4bfd6c55d0b8b96aabf Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156992 Tested-by: Jenkins Reviewed-by: Thorsten Behrens <thorsten.behrens@allotropia.de>
136 lines
4.3 KiB
C++
136 lines
4.3 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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#ifndef INCLUDED_VCL_FRAMEPOSSIZE_HXX
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#define INCLUDED_VCL_FRAMEPOSSIZE_HXX
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#include <vcl/dllapi.h>
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#include <sal/types.h>
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#include <tools/gen.hxx>
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namespace vcl
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{
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/**
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* There are multiple ways to store the two different areas of a vcl::Window.
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* But this representation is hopefully less error prone from the used types
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* and more clear in what values in- or exclude the non-drawable window frame.
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*
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* There are especially two things to remember:
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* * pos() is the top-left position of the window frame
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* * size() returns just the drawable client area
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*
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* So these values actually don't represent any "real" geometry of either the
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* outer frame or the inner client area of the window. That's my reason for
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* naming the rectangle function posSize() instead of geometry(). Also to not
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* be confused with Qt's geometry() function. YMMV.
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*
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* LO already is supposed to use this schema. FWIW, the Qt documentation claims
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* "The differentiation is done in a way that covers the most common usage
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* transparently." AFAIK this is common for most/all platforms / UI toolkits.
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*
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* The API is kept largely overload free, as we can now use list-initialization.
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*/
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class VCL_PLUGIN_PUBLIC WindowPosSize
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{
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// position of the window frames left-top corner
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sal_Int32 m_nX;
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sal_Int32 m_nY;
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// size of the client / drawable area, i.e. without decorations / borders
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sal_Int32 m_nWidth;
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sal_Int32 m_nHeight;
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protected:
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WindowPosSize()
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: m_nX(0)
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, m_nY(0)
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, m_nWidth(1)
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, m_nHeight(1)
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{
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}
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public:
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constexpr sal_Int32 x() const { return m_nX; }
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void setX(sal_Int32 nX) { m_nX = nX; }
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constexpr sal_Int32 y() const { return m_nY; }
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void setY(sal_Int32 nY) { m_nY = nY; }
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constexpr Point pos() const { return { m_nX, m_nY }; }
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void setPos(const Point& aPos)
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{
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setX(aPos.getX());
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setY(aPos.getY());
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}
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void move(sal_Int32 nDX, sal_Int32 nDY)
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{
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m_nX += nDX;
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m_nY += nDY;
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}
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constexpr sal_Int32 width() const { return m_nWidth; }
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void setWidth(sal_Int32 nWidth)
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{
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assert(nWidth >= 0);
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if (nWidth >= 0)
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m_nWidth = nWidth;
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else
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m_nWidth = 0;
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}
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constexpr sal_Int32 height() const { return m_nHeight; }
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void setHeight(sal_Int32 nHeight)
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{
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assert(nHeight >= 0);
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if (nHeight >= 0)
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m_nHeight = nHeight;
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else
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m_nHeight = 0;
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}
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constexpr Size size() const
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{
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return { static_cast<tools::Long>(m_nWidth), static_cast<tools::Long>(m_nHeight) };
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}
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void setSize(const Size& rSize)
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{
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setWidth(rSize.Width());
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setHeight(rSize.Height());
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}
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constexpr tools::Rectangle posSize() const { return { pos(), size() }; }
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void setPosSize(const tools::Rectangle& rRect)
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{
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setPos(rRect.GetPos());
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setSize(rRect.GetSize());
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}
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// because tools::Rectangle has the ambiguous (Point&, Point&) constructor, which we don't want here
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void setPosSize(const Point& rPos, const Size& rSize) { setPosSize({ rPos, rSize }); }
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};
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inline std::ostream& operator<<(std::ostream& s, const WindowPosSize& rPosSize)
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{
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s << rPosSize.width() << "x" << rPosSize.height() << "@(" << rPosSize.x() << "," << rPosSize.y()
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<< ")";
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return s;
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}
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} // namespace vcl
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#endif // INCLUDED_VCL_FRAMEPOSSIZE_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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