mirror of
https://github.com/gnif/LookingGlass.git
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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include <cmath>
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#include <windows.h>
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struct FontTraits
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{
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typedef HFONT Type;
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inline static bool Close(Type h) { return DeleteObject(h); }
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inline static Type GetInvalidValue() { return nullptr; }
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};
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class WidgetPositioner
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{
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HDWP hdwp;
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double m_scale;
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DWORD width, height;
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inline int scale(int value) { return (int)std::round(value * m_scale); }
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public:
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WidgetPositioner(double scale, DWORD width, DWORD height) :
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m_scale(scale), width(width), height(height),
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hdwp(BeginDeferWindowPos(10)) {}
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~WidgetPositioner();
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void move(HWND child, int x, int y, int cx, int cy);
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void pinTopLeft(HWND child, int x, int y, int cx, int cy)
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{
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move(child, scale(x), scale(y), scale(cx), scale(cy));
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}
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void pinTopRight(HWND child, int x, int y, int cx, int cy)
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{
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move(child, scale(x), scale(y), width - scale(cx), scale(cy));
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}
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void pinTopLeftRight(HWND child, int x, int y, int rx, int cy)
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{
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move(child, scale(x), scale(y), width - scale(rx + x), scale(cy));
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}
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void pinLeftTopBottom(HWND child, int x, int y, int cx, int by)
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{
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move(child, scale(x), scale(y), scale(cx), height - scale(y + by));
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}
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void pinBottomLeft(HWND child, int x, int by, int cx, int cy)
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{
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move(child, scale(x), height - scale(by + cy), scale(cx), scale(cy));
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}
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};
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