018bdfd26e
This greatly improve the wobbly experience when resizing. Patch by Toby Dickenson svn path=/trunk/KDE/kdebase/workspace/; revision=889857
1270 lines
37 KiB
C++
1270 lines
37 KiB
C++
/*****************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2008 Cédric Borgese <cedric.borgese@gmail.com>
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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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******************************************************************/
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#include "wobblywindows.h"
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#include <kdebug.h>
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#include <kconfiggroup.h>
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#include <math.h>
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#define USE_ASSERT
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#ifdef USE_ASSERT
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#define ASSERT1 assert
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#else
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#define ASSERT1
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#endif
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//#define COMPUTE_STATS
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// if you enable it and run kwin in a terminal from the session it manages,
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// be sure to redirect the output of kwin in a file or
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// you'll propably get deadlocks.
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//#define VERBOSE_MODE
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#if defined COMPUTE_STATS && !defined VERBOSE_MODE
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# ifdef __GNUC__
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# warning "You enable COMPUTE_STATS without VERBOSE_MODE, computed stats will not be printed."
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# endif
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#endif
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namespace KWin
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{
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static const qreal STIFFNESS = 0.15;
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static const qreal DRAG = 0.80;
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static const qreal MOVEFACTOR = 0.10;
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static const int XTESSELATION = 20;
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static const int YTESSELATION = 20;
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static const qreal MINVELOCITY = 0.0;
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static const qreal MAXVELOCITY = 1000.0;
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static const qreal STOPVELOCITY = 0.5;
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static const qreal MINACCELERATION = 0.0;
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static const qreal MAXACCELERATION = 1000.0;
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static const qreal STOPACCELERATION = 5.0;
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struct ParameterSet
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{
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qreal stiffness;
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qreal drag;
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qreal move_factor;
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qreal xTesselation;
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qreal yTesselation;
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qreal minVelocity;
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qreal maxVelocity;
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qreal stopVelocity;
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qreal minAcceleration;
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qreal maxAcceleration;
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qreal stopAcceleration;
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bool moveEffectEnabled;
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bool openEffectEnabled;
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bool closeEffectEnabled;
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};
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static const ParameterSet set_0 =
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{
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0.15,
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0.80,
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0.10,
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20.0,
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20.0,
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0.0,
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1000.0,
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0.5,
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0.0,
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1000.0,
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0.5,
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true,
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false,
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false
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};
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static const ParameterSet set_1 =
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{
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0.10,
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0.85,
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0.10,
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20.0,
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20.0,
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0.0,
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1000.0,
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0.5,
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0.0,
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1000.0,
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0.5,
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true,
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false,
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false
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};
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static const ParameterSet set_2 =
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{
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0.06,
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0.90,
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0.10,
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20.0,
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20.0,
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0.0,
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1000.0,
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0.5,
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0.0,
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1000.0,
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0.5,
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true,
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false,
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false
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};
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static const ParameterSet set_3 =
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{
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0.03,
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0.92,
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0.20,
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20.0,
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20.0,
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0.0,
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1000.0,
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0.5,
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0.0,
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1000.0,
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0.5,
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true,
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false,
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false
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};
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static const ParameterSet set_4 =
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{
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0.01,
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0.97,
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0.25,
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20.0,
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20.0,
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0.0,
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1000.0,
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0.5,
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0.0,
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1000.0,
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0.5,
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true,
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false,
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false
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};
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static const ParameterSet pset[5] = { set_0, set_1, set_2, set_3, set_4 };
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KWIN_EFFECT(wobblywindows, WobblyWindowsEffect)
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WobblyWindowsEffect::WobblyWindowsEffect()
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{
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reconfigure( ReconfigureAll );
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}
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WobblyWindowsEffect::~WobblyWindowsEffect()
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{
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if (!windows.empty())
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{
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// we should be empty at this point...
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// emit a warning and clean the list.
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kDebug(1212) << "Windows list not empty. Left items : " << windows.count();
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QHash< const EffectWindow*, WindowWobblyInfos >::iterator i;
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for (i = windows.begin(); i != windows.end(); ++i)
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{
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freeWobblyInfo(i.value());
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}
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}
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}
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void WobblyWindowsEffect::reconfigure( ReconfigureFlags )
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{
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KConfigGroup conf = effects->effectConfig("Wobbly");
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QString settingsMode = conf.readEntry("Settings", "Auto");
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if (settingsMode != "Custom")
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{
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unsigned int wobblynessLevel = conf.readEntry("WobblynessLevel", 0);
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if (wobblynessLevel > 4)
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{
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kDebug(1212) << "Wrong value for \"WobblynessLevel\" : " << wobblynessLevel;
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wobblynessLevel = 4;
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}
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setParameterSet(pset[wobblynessLevel]);
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if (conf.readEntry("AdvancedMode", false))
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{
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m_stiffness = conf.readEntry("Stiffness", STIFFNESS * 100.0) / 100.0;
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m_drag = conf.readEntry("Drag", DRAG * 100.0) / 100.0;
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m_move_factor = conf.readEntry("MoveFactor", MOVEFACTOR * 100.0) / 100.0;
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}
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}
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else // Custom method, read all values from config file.
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{
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m_stiffness = conf.readEntry("Stiffness", STIFFNESS);
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m_drag = conf.readEntry("Drag", DRAG);
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m_move_factor = conf.readEntry("MoveFactor", MOVEFACTOR);
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m_xTesselation = conf.readEntry("XTesselation", XTESSELATION);
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m_yTesselation = conf.readEntry("YTesselation", YTESSELATION);
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m_minVelocity = conf.readEntry("MinVelocity", MINVELOCITY);
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m_maxVelocity = conf.readEntry("MaxVelocity", MAXVELOCITY);
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m_stopVelocity = conf.readEntry("StopVelocity", STOPVELOCITY);
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m_minAcceleration = conf.readEntry("MinAcceleration", MINACCELERATION);
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m_maxAcceleration = conf.readEntry("MaxAcceleration", MAXACCELERATION);
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m_stopAcceleration = conf.readEntry("StopAcceleration", STOPACCELERATION);
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m_moveEffectEnabled = conf.readEntry("MoveEffect", true);
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m_openEffectEnabled = conf.readEntry("OpenEffect", false);
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// disable close effect by default for now as it doesn't do what I want.
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m_closeEffectEnabled = conf.readEntry("CloseEffect", false);
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}
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m_moveWobble = conf.readEntry("MoveWobble", true);
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m_resizeWobble = conf.readEntry("ResizeWobble", true);
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#if defined VERBOSE_MODE
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kDebug(1212) << "Parameters :\n" <<
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"move : " << m_moveEffectEnabled << ", open : " << m_openEffectEnabled << ", close : " << m_closeEffectEnabled << "\n"
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"grid(" << m_stiffness << ", " << m_drag << ", " << m_move_factor << ")\n" <<
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"velocity(" << m_minVelocity << ", " << m_maxVelocity << ", " << m_stopVelocity << ")\n" <<
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"acceleration(" << m_minAcceleration << ", " << m_maxAcceleration << ", " << m_stopAcceleration << ")\n" <<
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"tesselation(" << m_xTesselation << ", " << m_yTesselation << ")";
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#endif
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}
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void WobblyWindowsEffect::setParameterSet(const ParameterSet& pset)
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{
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m_stiffness = pset.stiffness;
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m_drag = pset.drag;
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m_move_factor = pset.move_factor;
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m_xTesselation = pset.xTesselation;
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m_yTesselation = pset.yTesselation;
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m_minVelocity = pset.minVelocity;
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m_maxVelocity = pset.maxVelocity;
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m_stopVelocity = pset.stopVelocity;
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m_minAcceleration = pset.minAcceleration;
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m_maxAcceleration = pset.maxAcceleration;
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m_stopAcceleration = pset.stopAcceleration;
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m_moveEffectEnabled = pset.moveEffectEnabled;
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m_openEffectEnabled = pset.openEffectEnabled;
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m_closeEffectEnabled = pset.closeEffectEnabled;
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}
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void WobblyWindowsEffect::setVelocityThreshold(qreal m_minVelocity)
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{
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this->m_minVelocity = m_minVelocity;
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}
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void WobblyWindowsEffect::setMoveFactor(qreal factor)
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{
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m_move_factor = factor;
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}
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void WobblyWindowsEffect::setStiffness(qreal stiffness)
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{
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m_stiffness = stiffness;
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}
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void WobblyWindowsEffect::setDrag(qreal drag)
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{
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m_drag = drag;
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}
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void WobblyWindowsEffect::prePaintScreen(ScreenPrePaintData& data, int time)
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{
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// We need to mark the screen windows as transformed. Otherwise the whole
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// screen won't be repainted, resulting in artefacts.
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// Could we just set a subset of the screen to be repainted ?
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if (windows.count() != 0)
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{
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data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
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}
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// this set the QRect invalid.
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m_updateRegion.setWidth(0);
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effects->prePaintScreen(data, time);
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}
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const qreal maxTime = 10.0;
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void WobblyWindowsEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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{
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if (windows.contains(w))
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{
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data.setTransformed();
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data.quads = data.quads.makeRegularGrid(m_xTesselation, m_yTesselation);
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bool stop = false;
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qreal updateTime = time;
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while (!stop && (updateTime > maxTime))
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{
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#if defined VERBOSE_MODE
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kDebug(1212) << "loop time " << updateTime << " / " << time;
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#endif
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stop = !updateWindowWobblyDatas(w, maxTime);
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updateTime -= maxTime;
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}
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if (!stop && updateTime > 0)
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{
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updateWindowWobblyDatas(w, updateTime);
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}
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}
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effects->prePaintWindow(w, data, time);
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}
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void WobblyWindowsEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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{
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if(windows.contains(w))
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{
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WindowWobblyInfos& wwi = windows[w];
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int tx = w->geometry().x();
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int ty = w->geometry().y();
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for (int i = 0; i < data.quads.count(); ++i)
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{
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for(int j = 0; j < 4; ++j)
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{
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WindowVertex& v = data.quads[i][j];
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Pair oldPos = {tx + v.x(), ty + v.y()};
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Pair newPos = computeBezierPoint(wwi, oldPos);
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v.move(newPos.x - tx, newPos.y - ty);
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}
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}
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}
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// Call the next effect.
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effects->paintWindow(w, mask, region, data);
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}
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void WobblyWindowsEffect::postPaintScreen()
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{
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if (!windows.isEmpty())
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{
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effects->addRepaint(m_updateRegion);
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}
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// Call the next effect.
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effects->postPaintScreen();
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}
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void WobblyWindowsEffect::windowUserMovedResized(EffectWindow* w, bool first, bool last)
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{
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if (m_moveEffectEnabled && first && !w->isSpecialWindow() &&
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((w->isUserMove() && m_moveWobble) || (w->isUserResize() && m_resizeWobble)))
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{
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if (!windows.contains(w))
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{
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WindowWobblyInfos new_wwi;
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initWobblyInfo(new_wwi, w->geometry());
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windows[w] = new_wwi;
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}
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WindowWobblyInfos& wwi = windows[w];
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wwi.status = Moving;
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const QRectF& rect = w->geometry();
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qreal x_increment = rect.width() / (wwi.width-1.0);
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qreal y_increment = rect.height() / (wwi.height-1.0);
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Pair picked = {cursorPos().x(), cursorPos().y()};
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int indx = (picked.x - rect.x()) / x_increment;
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int indy = (picked.y - rect.y()) / y_increment;
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int pickedPointIndex = indy*wwi.width + indx;
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if (pickedPointIndex < 0)
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{
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kDebug(1212) << "Picked index == " << pickedPointIndex << " with (" << cursorPos().x() << "," << cursorPos().y() << ")";
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pickedPointIndex = 0;
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}
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else if (static_cast<unsigned int>(pickedPointIndex) > wwi.count - 1)
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{
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kDebug(1212) << "Picked index == " << pickedPointIndex << " with (" << cursorPos().x() << "," << cursorPos().y() << ")";
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pickedPointIndex = wwi.count - 1;
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}
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#if defined VERBOSE_MODE
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kDebug(1212) << "Original Picked point -- x : " << picked.x << " - y : " << picked.y;
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#endif
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wwi.constraint[pickedPointIndex] = true;
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if (w->isUserResize())
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{
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if (picked.x > rect.center().x())
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if (picked.y > rect.center().y())
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// picked somewhere in the bottom right, so constrain the top left corner too
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wwi.locked[0] = wwi.constraint[0] = true;
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else
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wwi.locked[wwi.count-wwi.width] = wwi.constraint[wwi.count-wwi.width] = true;
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else
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if (picked.y > rect.center().y())
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wwi.locked[wwi.width-1] = wwi.constraint[wwi.width-1] = true;
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else
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wwi.locked[wwi.count-1] = wwi.constraint[wwi.count-1] = true;
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}
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}
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else if (m_moveEffectEnabled && last)
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{
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if (windows.contains(w))
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{
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WindowWobblyInfos& wwi = windows[w];
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wwi.status = Free;
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}
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}
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}
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void WobblyWindowsEffect::windowAdded(EffectWindow* w)
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{
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if (m_openEffectEnabled)
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{
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if(windows.contains(w))
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{
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// could this happen ??
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WindowWobblyInfos& wwi = windows[w];
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wobblyOpenInit(wwi);
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}
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else
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{
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WindowWobblyInfos new_wwi;
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initWobblyInfo(new_wwi, w->geometry());
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wobblyOpenInit(new_wwi);
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windows[w] = new_wwi;
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}
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}
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}
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void WobblyWindowsEffect::windowClosed(EffectWindow* w)
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{
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if(windows.contains(w))
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{
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WindowWobblyInfos& wwi = windows[w];
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if (m_closeEffectEnabled)
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{
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wobblyCloseInit(wwi, w);
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w->refWindow();
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}
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else
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{
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freeWobblyInfo(wwi);
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windows.remove(w);
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}
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}
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else if (m_closeEffectEnabled)
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{
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WindowWobblyInfos new_wwi;
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initWobblyInfo(new_wwi, w->geometry());
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wobblyCloseInit(new_wwi, w);
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windows[w] = new_wwi;
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w->refWindow();
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}
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}
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void WobblyWindowsEffect::wobblyOpenInit(WindowWobblyInfos& wwi) const
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{
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Pair middle = { (wwi.origin[0].x + wwi.origin[15].x)/2, (wwi.origin[0].y + wwi.origin[15].y)/2 };
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for (unsigned int j=0; j<4; ++j)
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{
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for (unsigned int i=0; i<4; ++i)
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{
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unsigned int idx = j*4 + i;
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wwi.constraint[idx] = false;
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wwi.locked[idx] = false;
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wwi.position[idx].x = (wwi.position[idx].x + 3*middle.x)/4;
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wwi.position[idx].y = (wwi.position[idx].y + 3*middle.y)/4;
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}
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}
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wwi.status = Openning;
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}
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void WobblyWindowsEffect::wobblyCloseInit(WindowWobblyInfos& wwi, EffectWindow* w) const
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{
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const QRectF& rect = w->geometry();
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QPointF center = rect.center();
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int x1 = (rect.x() + 3*center.x())/4;
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int x2 = (rect.x() + rect.width() + 3*center.x())/4;
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int y1 = (rect.y() + 3*center.y())/4;
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int y2 = (rect.y() + rect.height() + 3*center.y())/4;
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wwi.closeRect.setCoords(x1, y1, x2, y2);
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// for closing, not yet used...
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for (unsigned int j=0; j<4; ++j)
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{
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for (unsigned int i=0; i<4; ++i)
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{
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unsigned int idx = j*4 + i;
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wwi.constraint[idx] = false;
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wwi.locked[idx] = false;
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}
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}
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wwi.status = Closing;
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}
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void WobblyWindowsEffect::initWobblyInfo(WindowWobblyInfos& wwi, QRect geometry) const
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{
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wwi.count = 4*4;
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wwi.width = 4;
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wwi.height = 4;
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wwi.bezierWidth = m_xTesselation;
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wwi.bezierHeight = m_yTesselation;
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wwi.bezierCount = m_xTesselation * m_yTesselation;
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|
|
|
wwi.origin = new Pair[wwi.count];
|
|
wwi.position = new Pair[wwi.count];
|
|
wwi.velocity = new Pair[wwi.count];
|
|
wwi.acceleration = new Pair[wwi.count];
|
|
wwi.buffer = new Pair[wwi.count];
|
|
wwi.constraint = new bool[wwi.count];
|
|
wwi.locked = new bool[wwi.count];
|
|
|
|
wwi.bezierSurface = new Pair[wwi.bezierCount];
|
|
|
|
wwi.status = Moving;
|
|
|
|
qreal x = geometry.x(), y = geometry.y();
|
|
qreal width = geometry.width(), height = geometry.height();
|
|
|
|
Pair initValue = {x, y};
|
|
static const Pair nullPair = {0.0, 0.0};
|
|
|
|
qreal x_increment = width / (wwi.width-1.0);
|
|
qreal y_increment = height / (wwi.height-1.0);
|
|
|
|
for (unsigned int j=0; j<4; ++j)
|
|
{
|
|
for (unsigned int i=0; i<4; ++i)
|
|
{
|
|
unsigned int idx = j*4 + i;
|
|
wwi.origin[idx] = initValue;
|
|
wwi.position[idx] = initValue;
|
|
wwi.velocity[idx] = nullPair;
|
|
wwi.constraint[idx] = false;
|
|
wwi.locked[idx] = false;
|
|
if (i != 4-2) // x grid count - 2, i.e. not the last point
|
|
{
|
|
initValue.x += x_increment;
|
|
}
|
|
else
|
|
{
|
|
initValue.x = width + x;
|
|
}
|
|
initValue.x = initValue.x;
|
|
}
|
|
initValue.x = x;
|
|
initValue.x = initValue.x;
|
|
if (j != 4-2) // y grid count - 2, i.e. not the last point
|
|
{
|
|
initValue.y += y_increment;
|
|
}
|
|
else
|
|
{
|
|
initValue.y = height + y;
|
|
}
|
|
initValue.y = initValue.y;
|
|
}
|
|
}
|
|
|
|
void WobblyWindowsEffect::freeWobblyInfo(WindowWobblyInfos& wwi) const
|
|
{
|
|
delete[] wwi.origin;
|
|
delete[] wwi.position;
|
|
delete[] wwi.velocity;
|
|
delete[] wwi.acceleration;
|
|
delete[] wwi.buffer;
|
|
delete[] wwi.constraint;
|
|
delete[] wwi.locked;
|
|
|
|
delete[] wwi.bezierSurface;
|
|
}
|
|
|
|
WobblyWindowsEffect::Pair WobblyWindowsEffect::computeBezierPoint(const WindowWobblyInfos& wwi, Pair point) const
|
|
{
|
|
// compute the input value
|
|
Pair topleft = wwi.origin[0];
|
|
Pair bottomright = wwi.origin[wwi.count-1];
|
|
|
|
// ASSERT1(point.x >= topleft.x);
|
|
// ASSERT1(point.y >= topleft.y);
|
|
// ASSERT1(point.x <= bottomright.x);
|
|
// ASSERT1(point.y <= bottomright.y);
|
|
|
|
qreal tx = (point.x - topleft.x) / (bottomright.x - topleft.x);
|
|
qreal ty = (point.y - topleft.y) / (bottomright.y - topleft.y);
|
|
|
|
// ASSERT1(tx >= 0);
|
|
// ASSERT1(tx <= 1);
|
|
// ASSERT1(ty >= 0);
|
|
// ASSERT1(ty <= 1);
|
|
|
|
// compute polynomial coeff
|
|
|
|
qreal px[4];
|
|
px[0] = (1-tx)*(1-tx)*(1-tx);
|
|
px[1] = 3*(1-tx)*(1-tx)*tx;
|
|
px[2] = 3*(1-tx)*tx*tx;
|
|
px[3] = tx*tx*tx;
|
|
|
|
qreal py[4];
|
|
py[0] = (1-ty)*(1-ty)*(1-ty);
|
|
py[1] = 3*(1-ty)*(1-ty)*ty;
|
|
py[2] = 3*(1-ty)*ty*ty;
|
|
py[3] = ty*ty*ty;
|
|
|
|
Pair res = {0.0, 0.0};
|
|
|
|
for (unsigned int j = 0; j < 4; ++j)
|
|
{
|
|
for (unsigned int i = 0; i < 4; ++i)
|
|
{
|
|
// this assume the grid is 4*4
|
|
res.x += px[i] * py[j] * wwi.position[i + j * wwi.width].x;
|
|
res.y += px[i] * py[j] * wwi.position[i + j * wwi.width].y;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
namespace
|
|
{
|
|
|
|
static inline void fixVectorBounds(WobblyWindowsEffect::Pair& vec, qreal min, qreal max)
|
|
{
|
|
if (fabs(vec.x) < min)
|
|
{
|
|
vec.x = 0.0;
|
|
}
|
|
else if (fabs(vec.x) > max)
|
|
{
|
|
if (vec.x > 0.0)
|
|
{
|
|
vec.x = max;
|
|
}
|
|
else
|
|
{
|
|
vec.x = -max;
|
|
}
|
|
}
|
|
|
|
if (fabs(vec.y) < min)
|
|
{
|
|
vec.y = 0.0;
|
|
}
|
|
else if (fabs(vec.y) > max)
|
|
{
|
|
if (vec.y > 0.0)
|
|
{
|
|
vec.y = max;
|
|
}
|
|
else
|
|
{
|
|
vec.y = -max;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void computeVectorBounds(WobblyWindowsEffect::Pair& vec, WobblyWindowsEffect::Pair& bound)
|
|
{
|
|
if (fabs(vec.x) < bound.x)
|
|
{
|
|
bound.x = fabs(vec.x);
|
|
}
|
|
else if (fabs(vec.x) > bound.y)
|
|
{
|
|
bound.y = fabs(vec.x);
|
|
}
|
|
if (fabs(vec.y) < bound.x)
|
|
{
|
|
bound.x = fabs(vec.y);
|
|
}
|
|
else if (fabs(vec.y) > bound.y)
|
|
{
|
|
bound.y = fabs(vec.y);
|
|
}
|
|
}
|
|
|
|
} // close the anonymous namespace
|
|
|
|
bool WobblyWindowsEffect::updateWindowWobblyDatas(EffectWindow* w, qreal time)
|
|
{
|
|
QRectF rect = w->geometry();
|
|
WindowWobblyInfos& wwi = windows[w];
|
|
|
|
if (wwi.status == Closing)
|
|
{
|
|
rect = wwi.closeRect;
|
|
}
|
|
|
|
qreal x_length = rect.width() / (wwi.width-1.0);
|
|
qreal y_length = rect.height() / (wwi.height-1.0);
|
|
|
|
#if defined VERBOSE_MODE
|
|
kDebug(1212) << "time " << time;
|
|
kDebug(1212) << "increment x " << x_length << " // y" << y_length;
|
|
#endif
|
|
|
|
Pair origine = {rect.x(), rect.y()};
|
|
|
|
for (unsigned int j=0; j<wwi.height; ++j)
|
|
{
|
|
for (unsigned int i=0; i<wwi.width; ++i)
|
|
{
|
|
wwi.origin[wwi.width*j + i] = origine;
|
|
if (i != wwi.width-2)
|
|
{
|
|
origine.x += x_length;
|
|
}
|
|
else
|
|
{
|
|
origine.x = rect.width() + rect.x();
|
|
}
|
|
}
|
|
origine.x = rect.x();
|
|
if (j != wwi.height-2)
|
|
{
|
|
origine.y += y_length;
|
|
}
|
|
else
|
|
{
|
|
origine.y = rect.height() + rect.y();
|
|
}
|
|
}
|
|
|
|
Pair neibourgs[4];
|
|
Pair acceleration;
|
|
|
|
qreal acc_sum = 0.0;
|
|
qreal vel_sum = 0.0;
|
|
|
|
// compute acceleration, velocity and position for each point
|
|
|
|
// for corners
|
|
|
|
// top-left
|
|
|
|
if (wwi.constraint[0])
|
|
{
|
|
Pair window_pos = wwi.origin[0];
|
|
Pair current_pos = wwi.position[0];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[0] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[0];
|
|
neibourgs[0] = wwi.position[1];
|
|
neibourgs[1] = wwi.position[wwi.width];
|
|
|
|
acceleration.x = ((neibourgs[0].x - pos.x) - x_length)*m_stiffness + (neibourgs[1].x - pos.x)*m_stiffness;
|
|
acceleration.y = ((neibourgs[1].y - pos.y) - y_length)*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 2;
|
|
acceleration.y /= 2;
|
|
|
|
wwi.acceleration[0] = acceleration;
|
|
}
|
|
|
|
// top-right
|
|
|
|
if (wwi.constraint[wwi.width-1])
|
|
{
|
|
Pair window_pos = wwi.origin[wwi.width-1];
|
|
Pair current_pos = wwi.position[wwi.width-1];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[wwi.width-1] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[wwi.width-1];
|
|
neibourgs[0] = wwi.position[wwi.width-2];
|
|
neibourgs[1] = wwi.position[2*wwi.width-1];
|
|
|
|
acceleration.x = (x_length - (pos.x - neibourgs[0].x))*m_stiffness + (neibourgs[1].x - pos.x)*m_stiffness;
|
|
acceleration.y = ((neibourgs[1].y - pos.y) - y_length)*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 2;
|
|
acceleration.y /= 2;
|
|
|
|
wwi.acceleration[wwi.width-1] = acceleration;
|
|
}
|
|
|
|
// bottom-left
|
|
|
|
if (wwi.constraint[wwi.width*(wwi.height-1)])
|
|
{
|
|
Pair window_pos = wwi.origin[wwi.width*(wwi.height-1)];
|
|
Pair current_pos = wwi.position[wwi.width*(wwi.height-1)];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[wwi.width*(wwi.height-1)] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[wwi.width*(wwi.height-1)];
|
|
neibourgs[0] = wwi.position[wwi.width*(wwi.height-1)+1];
|
|
neibourgs[1] = wwi.position[wwi.width*(wwi.height-2)];
|
|
|
|
acceleration.x = ((neibourgs[0].x - pos.x) - x_length)*m_stiffness + (neibourgs[1].x - pos.x)*m_stiffness;
|
|
acceleration.y = (y_length - (pos.y - neibourgs[1].y))*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 2;
|
|
acceleration.y /= 2;
|
|
|
|
wwi.acceleration[wwi.width*(wwi.height-1)] = acceleration;
|
|
}
|
|
|
|
// bottom-right
|
|
|
|
if (wwi.constraint[wwi.count-1])
|
|
{
|
|
Pair window_pos = wwi.origin[wwi.count-1];
|
|
Pair current_pos = wwi.position[wwi.count-1];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[wwi.count-1] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[wwi.count-1];
|
|
neibourgs[0] = wwi.position[wwi.count-2];
|
|
neibourgs[1] = wwi.position[wwi.width*(wwi.height-1)-1];
|
|
|
|
acceleration.x = (x_length - (pos.x - neibourgs[0].x))*m_stiffness + (neibourgs[1].x - pos.x)*m_stiffness;
|
|
acceleration.y = (y_length - (pos.y - neibourgs[1].y))*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 2;
|
|
acceleration.y /= 2;
|
|
|
|
wwi.acceleration[wwi.count-1] = acceleration;
|
|
}
|
|
|
|
|
|
// for borders
|
|
|
|
// top border
|
|
for (unsigned int i=1; i<wwi.width-1; ++i)
|
|
{
|
|
if (wwi.constraint[i])
|
|
{
|
|
Pair window_pos = wwi.origin[i];
|
|
Pair current_pos = wwi.position[i];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[i] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[i];
|
|
neibourgs[0] = wwi.position[i-1];
|
|
neibourgs[1] = wwi.position[i+1];
|
|
neibourgs[2] = wwi.position[i+wwi.width];
|
|
|
|
acceleration.x = (x_length - (pos.x - neibourgs[0].x))*m_stiffness + ((neibourgs[1].x - pos.x) - x_length)*m_stiffness + (neibourgs[2].x - pos.x)*m_stiffness;
|
|
acceleration.y = ((neibourgs[2].y - pos.y) - y_length)*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness + (neibourgs[1].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 3;
|
|
acceleration.y /= 3;
|
|
|
|
wwi.acceleration[i] = acceleration;
|
|
}
|
|
}
|
|
|
|
// bottom border
|
|
for (unsigned int i=wwi.width*(wwi.height-1)+1; i<wwi.count-1; ++i)
|
|
{
|
|
if (wwi.constraint[i])
|
|
{
|
|
Pair window_pos = wwi.origin[i];
|
|
Pair current_pos = wwi.position[i];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[i] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[i];
|
|
neibourgs[0] = wwi.position[i-1];
|
|
neibourgs[1] = wwi.position[i+1];
|
|
neibourgs[2] = wwi.position[i-wwi.width];
|
|
|
|
acceleration.x = (x_length - (pos.x - neibourgs[0].x))*m_stiffness + ((neibourgs[1].x - pos.x) - x_length)*m_stiffness + (neibourgs[2].x - pos.x)*m_stiffness;
|
|
acceleration.y = (y_length - (pos.y - neibourgs[2].y))*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness + (neibourgs[1].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 3;
|
|
acceleration.y /= 3;
|
|
|
|
wwi.acceleration[i] = acceleration;
|
|
}
|
|
}
|
|
|
|
// left border
|
|
for (unsigned int i=wwi.width; i<wwi.width*(wwi.height-1); i+=wwi.width)
|
|
{
|
|
if (wwi.constraint[i])
|
|
{
|
|
Pair window_pos = wwi.origin[i];
|
|
Pair current_pos = wwi.position[i];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[i] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[i];
|
|
neibourgs[0] = wwi.position[i+1];
|
|
neibourgs[1] = wwi.position[i-wwi.width];
|
|
neibourgs[2] = wwi.position[i+wwi.width];
|
|
|
|
acceleration.x = ((neibourgs[0].x - pos.x) - x_length)*m_stiffness + (neibourgs[1].x - pos.x)*m_stiffness + (neibourgs[2].x - pos.x)*m_stiffness;
|
|
acceleration.y = (y_length - (pos.y - neibourgs[1].y))*m_stiffness + ((neibourgs[2].y - pos.y) - y_length)*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 3;
|
|
acceleration.y /= 3;
|
|
|
|
wwi.acceleration[i] = acceleration;
|
|
}
|
|
}
|
|
|
|
// right border
|
|
for (unsigned int i=2*wwi.width-1; i<wwi.count-1; i+=wwi.width)
|
|
{
|
|
if (wwi.constraint[i])
|
|
{
|
|
Pair window_pos = wwi.origin[i];
|
|
Pair current_pos = wwi.position[i];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[i] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[i];
|
|
neibourgs[0] = wwi.position[i-1];
|
|
neibourgs[1] = wwi.position[i-wwi.width];
|
|
neibourgs[2] = wwi.position[i+wwi.width];
|
|
|
|
acceleration.x = (x_length - (pos.x - neibourgs[0].x))*m_stiffness + (neibourgs[1].x - pos.x)*m_stiffness + (neibourgs[2].x - pos.x)*m_stiffness;
|
|
acceleration.y = (y_length - (pos.y - neibourgs[1].y))*m_stiffness + ((neibourgs[2].y - pos.y) - y_length)*m_stiffness + (neibourgs[0].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 3;
|
|
acceleration.y /= 3;
|
|
|
|
wwi.acceleration[i] = acceleration;
|
|
}
|
|
}
|
|
|
|
// for the inner points
|
|
for (unsigned int j=1; j<wwi.height-1; ++j)
|
|
{
|
|
for (unsigned int i=1; i<wwi.width-1; ++i)
|
|
{
|
|
unsigned int index = i+j*wwi.width;
|
|
|
|
if (wwi.constraint[index])
|
|
{
|
|
Pair window_pos = wwi.origin[index];
|
|
Pair current_pos = wwi.position[index];
|
|
Pair move = {window_pos.x - current_pos.x, window_pos.y - current_pos.y};
|
|
Pair accel = {move.x*m_stiffness, move.y*m_stiffness};
|
|
wwi.acceleration[index] = accel;
|
|
}
|
|
else
|
|
{
|
|
Pair& pos = wwi.position[index];
|
|
neibourgs[0] = wwi.position[index-1];
|
|
neibourgs[1] = wwi.position[index+1];
|
|
neibourgs[2] = wwi.position[index-wwi.width];
|
|
neibourgs[3] = wwi.position[index+wwi.width];
|
|
|
|
acceleration.x = ((neibourgs[0].x - pos.x) - x_length)*m_stiffness +
|
|
(x_length - (pos.x - neibourgs[1].x))*m_stiffness +
|
|
(neibourgs[2].x - pos.x)*m_stiffness +
|
|
(neibourgs[3].x - pos.x)*m_stiffness;
|
|
acceleration.y = (y_length - (pos.y - neibourgs[2].y))*m_stiffness +
|
|
((neibourgs[3].y - pos.y) - y_length)*m_stiffness +
|
|
(neibourgs[0].y - pos.y)*m_stiffness +
|
|
(neibourgs[1].y - pos.y)*m_stiffness;
|
|
|
|
acceleration.x /= 4;
|
|
acceleration.y /= 4;
|
|
|
|
wwi.acceleration[index] = acceleration;
|
|
}
|
|
}
|
|
}
|
|
|
|
heightRingLinearMean(&wwi.acceleration, wwi);
|
|
|
|
#if defined COMPUTE_STATS
|
|
Pair accBound = {m_maxAcceleration, m_minAcceleration};
|
|
Pair velBound = {m_maxVelocity, m_minVelocity};
|
|
#endif
|
|
|
|
// compute the new velocity of each vertex.
|
|
for (unsigned int i = 0; i < wwi.count; ++i)
|
|
{
|
|
Pair acc = wwi.acceleration[i];
|
|
fixVectorBounds(acc, m_minAcceleration, m_maxAcceleration);
|
|
|
|
#if defined COMPUTE_STATS
|
|
computeVectorBounds(acc, accBound);
|
|
#endif
|
|
|
|
Pair& vel = wwi.velocity[i];
|
|
vel.x = acc.x*time + vel.x*m_drag;
|
|
vel.y = acc.y*time + vel.y*m_drag;
|
|
|
|
acc_sum += fabs(acc.x) + fabs(acc.y);
|
|
}
|
|
|
|
heightRingLinearMean(&wwi.velocity, wwi);
|
|
|
|
Pair topLeftCorner = {-10000.0, -10000.0};
|
|
Pair bottomRightCorner = {10000.0, 10000.0};
|
|
|
|
// compute the new pos of each vertex.
|
|
for (unsigned int i = 0; i < wwi.count; ++i)
|
|
{
|
|
Pair& pos = wwi.position[i];
|
|
Pair& vel = wwi.velocity[i];
|
|
|
|
fixVectorBounds(vel, m_minVelocity, m_maxVelocity);
|
|
#if defined COMPUTE_STATS
|
|
computeVectorBounds(vel, velBound);
|
|
#endif
|
|
|
|
pos.x += vel.x*time*m_move_factor;
|
|
pos.y += vel.y*time*m_move_factor;
|
|
|
|
if (pos.x < topLeftCorner.x)
|
|
{
|
|
topLeftCorner.x = pos.x;
|
|
}
|
|
if (pos.x > bottomRightCorner.x)
|
|
{
|
|
bottomRightCorner.x = pos.x;
|
|
}
|
|
if (pos.y < topLeftCorner.y)
|
|
{
|
|
topLeftCorner.y = pos.y;
|
|
}
|
|
if (pos.y > bottomRightCorner.y)
|
|
{
|
|
bottomRightCorner.y = pos.y;
|
|
}
|
|
|
|
vel_sum += fabs(vel.x) + fabs(vel.y);
|
|
|
|
if (wwi.locked[i])
|
|
{
|
|
wwi.position[i] = wwi.origin[i];
|
|
}
|
|
#if defined VERBOSE_MODE
|
|
if (wwi.constraint[i])
|
|
{
|
|
kDebug(1212) << "Constraint point ** vel : " << vel.x << "," << vel.y << " ** move : " << vel.x*time << "," << vel.y*time;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if defined VERBOSE_MODE
|
|
# if defined COMPUTE_STATS
|
|
kDebug(1212) << "Acceleration bounds (" << accBound.x << ", " << accBound.y << ")";
|
|
kDebug(1212) << "Velocity bounds (" << velBound.x << ", " << velBound.y << ")";
|
|
# endif
|
|
kDebug(1212) << "sum_acc : " << acc_sum << " *** sum_vel :" << vel_sum;
|
|
#endif
|
|
|
|
if (wwi.status != Moving && acc_sum < m_stopAcceleration && vel_sum < m_stopVelocity)
|
|
{
|
|
if (wwi.status == Closing)
|
|
{
|
|
w->unrefWindow();
|
|
}
|
|
freeWobblyInfo(wwi);
|
|
windows.remove(w);
|
|
return false;
|
|
}
|
|
|
|
QRect windowRect(topLeftCorner.x, topLeftCorner.y,
|
|
bottomRightCorner.x - topLeftCorner.x, bottomRightCorner.y - topLeftCorner.y);
|
|
if (m_updateRegion.isValid())
|
|
{
|
|
m_updateRegion = m_updateRegion.united(windowRect);
|
|
}
|
|
else
|
|
{
|
|
m_updateRegion = windowRect;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void WobblyWindowsEffect::heightRingLinearMean(Pair** datas_pointer, WindowWobblyInfos& wwi)
|
|
{
|
|
Pair* datas = *datas_pointer;
|
|
Pair neibourgs[8];
|
|
|
|
// for corners
|
|
|
|
// top-left
|
|
{
|
|
Pair& res = wwi.buffer[0];
|
|
Pair vit = datas[0];
|
|
neibourgs[0] = datas[1];
|
|
neibourgs[1] = datas[wwi.width];
|
|
neibourgs[2] = datas[wwi.width+1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + 3.0*vit.x) / 6.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + 3.0*vit.y) / 6.0;
|
|
}
|
|
|
|
|
|
// top-right
|
|
{
|
|
Pair& res = wwi.buffer[wwi.width-1];
|
|
Pair vit = datas[wwi.width-1];
|
|
neibourgs[0] = datas[wwi.width-2];
|
|
neibourgs[1] = datas[2*wwi.width-1];
|
|
neibourgs[2] = datas[2*wwi.width-2];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + 3.0*vit.x) / 6.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + 3.0*vit.y) / 6.0;
|
|
}
|
|
|
|
|
|
// bottom-left
|
|
{
|
|
Pair& res = wwi.buffer[wwi.width*(wwi.height-1)];
|
|
Pair vit = datas[wwi.width*(wwi.height-1)];
|
|
neibourgs[0] = datas[wwi.width*(wwi.height-1)+1];
|
|
neibourgs[1] = datas[wwi.width*(wwi.height-2)];
|
|
neibourgs[2] = datas[wwi.width*(wwi.height-2)+1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + 3.0*vit.x) / 6.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + 3.0*vit.y) / 6.0;
|
|
}
|
|
|
|
|
|
// bottom-right
|
|
{
|
|
Pair& res = wwi.buffer[wwi.count-1];
|
|
Pair vit = datas[wwi.count-1];
|
|
neibourgs[0] = datas[wwi.count-2];
|
|
neibourgs[1] = datas[wwi.width*(wwi.height-1)-1];
|
|
neibourgs[2] = datas[wwi.width*(wwi.height-1)-2];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + 3.0*vit.x) / 6.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + 3.0*vit.y) / 6.0;
|
|
}
|
|
|
|
|
|
// for borders
|
|
|
|
// top border
|
|
for (unsigned int i=1; i<wwi.width-1; ++i)
|
|
{
|
|
Pair& res = wwi.buffer[i];
|
|
Pair vit = datas[i];
|
|
neibourgs[0] = datas[i-1];
|
|
neibourgs[1] = datas[i+1];
|
|
neibourgs[2] = datas[i+wwi.width];
|
|
neibourgs[3] = datas[i+wwi.width-1];
|
|
neibourgs[4] = datas[i+wwi.width+1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + neibourgs[3].x + neibourgs[4].x + 5.0*vit.x) / 10.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + neibourgs[3].y + neibourgs[4].y + 5.0*vit.y) / 10.0;
|
|
}
|
|
|
|
// bottom border
|
|
for (unsigned int i=wwi.width*(wwi.height-1)+1; i<wwi.count-1; ++i)
|
|
{
|
|
Pair& res = wwi.buffer[i];
|
|
Pair vit = datas[i];
|
|
neibourgs[0] = datas[i-1];
|
|
neibourgs[1] = datas[i+1];
|
|
neibourgs[2] = datas[i-wwi.width];
|
|
neibourgs[3] = datas[i-wwi.width-1];
|
|
neibourgs[4] = datas[i-wwi.width+1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + neibourgs[3].x + neibourgs[4].x + 5.0*vit.x) / 10.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + neibourgs[3].y + neibourgs[4].y + 5.0*vit.y) / 10.0;
|
|
}
|
|
|
|
// left border
|
|
for (unsigned int i=wwi.width; i<wwi.width*(wwi.height-1); i+=wwi.width)
|
|
{
|
|
Pair& res = wwi.buffer[i];
|
|
Pair vit = datas[i];
|
|
neibourgs[0] = datas[i+1];
|
|
neibourgs[1] = datas[i-wwi.width];
|
|
neibourgs[2] = datas[i+wwi.width];
|
|
neibourgs[3] = datas[i-wwi.width+1];
|
|
neibourgs[4] = datas[i+wwi.width+1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + neibourgs[3].x + neibourgs[4].x + 5.0*vit.x) / 10.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + neibourgs[3].y + neibourgs[4].y + 5.0*vit.y) / 10.0;
|
|
}
|
|
|
|
// right border
|
|
for (unsigned int i=2*wwi.width-1; i<wwi.count-1; i+=wwi.width)
|
|
{
|
|
Pair& res = wwi.buffer[i];
|
|
Pair vit = datas[i];
|
|
neibourgs[0] = datas[i-1];
|
|
neibourgs[1] = datas[i-wwi.width];
|
|
neibourgs[2] = datas[i+wwi.width];
|
|
neibourgs[3] = datas[i-wwi.width-1];
|
|
neibourgs[4] = datas[i+wwi.width-1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + neibourgs[3].x + neibourgs[4].x + 5.0*vit.x) / 10.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + neibourgs[3].y + neibourgs[4].y + 5.0*vit.y) / 10.0;
|
|
}
|
|
|
|
// for the inner points
|
|
for (unsigned int j=1; j<wwi.height-1; ++j)
|
|
{
|
|
for (unsigned int i=1; i<wwi.width-1; ++i)
|
|
{
|
|
unsigned int index = i+j*wwi.width;
|
|
|
|
Pair& res = wwi.buffer[index];
|
|
Pair& vit = datas[index];
|
|
neibourgs[0] = datas[index-1];
|
|
neibourgs[1] = datas[index+1];
|
|
neibourgs[2] = datas[index-wwi.width];
|
|
neibourgs[3] = datas[index+wwi.width];
|
|
neibourgs[4] = datas[index-wwi.width-1];
|
|
neibourgs[5] = datas[index-wwi.width+1];
|
|
neibourgs[6] = datas[index+wwi.width-1];
|
|
neibourgs[7] = datas[index+wwi.width+1];
|
|
|
|
res.x = (neibourgs[0].x + neibourgs[1].x + neibourgs[2].x + neibourgs[3].x + neibourgs[4].x + neibourgs[5].x + neibourgs[6].x + neibourgs[7].x + 8.0*vit.x) / 16.0;
|
|
res.y = (neibourgs[0].y + neibourgs[1].y + neibourgs[2].y + neibourgs[3].y + neibourgs[4].y + neibourgs[5].y + neibourgs[6].y + neibourgs[7].y + 8.0*vit.y) / 16.0;
|
|
}
|
|
}
|
|
|
|
Pair* tmp = datas;
|
|
*datas_pointer = wwi.buffer;
|
|
wwi.buffer = tmp;
|
|
}
|
|
|
|
|
|
} // namespace KWin
|
|
|