WindowMetrics.h 4.65 KB
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/*****************************************************************************
*
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* Copyright (c) 2000 - 2014, Lawrence Livermore National Security, LLC
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* Produced at the Lawrence Livermore National Laboratory
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* LLNL-CODE-442911
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* All rights reserved.
*
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* This file is  part of VisIt. For  details, see https://visit.llnl.gov/.  The
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* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution  and  use  in  source  and  binary  forms,  with  or  without
* modification, are permitted provided that the following conditions are met:
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*  - Redistributions of  source code must  retain the above  copyright notice,
*    this list of conditions and the disclaimer below.
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
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*    documentation and/or other materials provided with the distribution.
*  - Neither the name of  the LLNS/LLNL nor the names of  its contributors may
*    be used to endorse or promote products derived from this software without
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*    specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE
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* ARE  DISCLAIMED. IN  NO EVENT  SHALL LAWRENCE  LIVERMORE NATIONAL  SECURITY,
* LLC, THE  U.S.  DEPARTMENT OF  ENERGY  OR  CONTRIBUTORS BE  LIABLE  FOR  ANY
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* DAMAGES (INCLUDING, BUT NOT  LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR
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#ifndef WINDOW_METRICS_H
#define WINDOW_METRICS_H
#include <winutil_exports.h>
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#include <QWidget>    // For the definition of the window system.
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// ****************************************************************************
//  Class:  WindowMetrics
//
//  Purpose:
//    Metrics for window positioning and sizing.
//
//  Programmer:  Jeremy Meredith
//  Creation:    September 25, 2001
//
//  Modifications:
//    Jeremy Meredith, Tue Sep 25 17:08:21 PDT 2001
//    Made the static helper function public.
//
//    Brad Whitlock, Mon Mar 24 11:37:45 PDT 2003
//    Added API.
//
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//    Brad Whitlock, Wed Jan 11 17:37:08 PST 2006
//    Added MeasureScreen.
//
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//    Cyrus Harrison, Wed Mar 17 08:59:17 PDT 2010
//    Added testWindow member.
//
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// ****************************************************************************

class WINUTIL_API WindowMetrics
{
  public:
    static WindowMetrics *Instance();
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    void                  MeasureScreen(bool);
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    int GetScreenX()   {return screenX;   }
    int GetScreenY()   {return screenY;   }
    int GetScreenW()   {return screenW;   }
    int GetScreenH()   {return screenH;   }
    int GetBorderT()   {return borderT;   }
    int GetBorderB()   {return borderB;   }
    int GetBorderL()   {return borderL;   }
    int GetBorderR()   {return borderR;   }
    int GetShiftX()    {return shiftX;    }
    int GetShiftY()    {return shiftY;    }
    int GetPreshiftX() {return preshiftX; }
    int GetPreshiftY() {return preshiftY; }

    // Here are some helper functions useful for clients
    static void WaitForWindowManagerToGrabWindow(QWidget *win);
    static void WaitForWindowManagerToMoveWindow(QWidget *win);
    static void CalculateScreen(QWidget *win, int &screenX, int &screenY,
                                              int &screenW, int &screenH);
    static void CalculateBorders(QWidget *win, int &borderT, int &borderB,
                                               int &borderL, int &borderR);
    static void CalculateTopLeft(QWidget *win, int &X, int &Y);

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    static void SetEmbeddedWindowState(bool _embedded){ embedded = _embedded; }
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    static bool EmbeddedWindowState() { return embedded; }
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  private:
    int screenX;
    int screenY;
    int screenW;
    int screenH;

    int borderT;
    int borderB;
    int borderL;
    int borderR;

    int shiftX;
    int shiftY;

    int preshiftX;
    int preshiftY;

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    static bool embedded;

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    WindowMetrics();
    static WindowMetrics *instance;
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#if defined(Q_WS_X11) || defined(Q_OS_LINUX) 
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    QWidget              *testWindow;
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#endif
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};

#endif