workspace/kwin/effects/snow_config.cpp

   1 /********************************************************************
   2  KWin - the KDE window manager
   3  This file is part of the KDE project.
   4
   5  Copyright (C) 2007 Martin Gräßlin <ubuntu@martin-graesslin.com
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *********************************************************************/
  20
  21 #include "snow_config.h"
  22 #include <kwineffects.h>
  23
  24 #include <klocale.h>
  25 #include <kdebug.h>
  26 #include <KActionCollection>
  27 #include <kaction.h>
  28 #include <kconfiggroup.h>
  29
  30 #include <QVBoxLayout>
  31 #ifndef KDE_USE_FINAL
  32 KWIN_EFFECT_CONFIG_FACTORY
  33 #endif
  34 namespace KWin
  35 {
  36
  37 SnowEffectConfigForm::SnowEffectConfigForm(QWidget* parent) : QWidget(parent)
  38     {
  39     setupUi(this);
  40     }
  41
  42 SnowEffectConfig::SnowEffectConfig(QWidget* parent, const QVariantList& args) :
  43         KCModule(EffectFactory::componentData(), parent, args)
  44     {
  45     m_ui = new SnowEffectConfigForm(this);
  46
  47     QVBoxLayout* layout = new QVBoxLayout(this);
  48
  49     layout->addWidget(m_ui);
  50
  51     connect(m_ui->editor, SIGNAL(keyChange()), this, SLOT(changed()));
  52     connect(m_ui->numberFlakes, SIGNAL(valueChanged(int)), this, SLOT(changed()));
  53     connect(m_ui->minSizeFlake, SIGNAL(valueChanged(int)), this, SLOT(changed()));
  54     connect(m_ui->maxSizeFlake, SIGNAL(valueChanged(int)), this, SLOT(changed()));
  55     connect(m_ui->maxVSpeed, SIGNAL(valueChanged(int)), this, SLOT(changed()));
  56     connect(m_ui->maxHSpeed, SIGNAL(valueChanged(int)), this, SLOT(changed()));
  57     connect(m_ui->snowBehindWindows, SIGNAL(stateChanged(int)), this, SLOT(changed()));
  58
  59     m_actionCollection = new KActionCollection( this, componentData() );
  60     m_actionCollection->setConfigGroup("Snow");
  61     m_actionCollection->setConfigGlobal(true);
  62
  63     KAction* a = (KAction*)m_actionCollection->addAction( "Snow" );
  64     a->setText( i18n("Toggle Snow on Desktop" ));
  65     a->setProperty("isConfigurationAction", true);
  66     a->setGlobalShortcut( KShortcut( Qt::CTRL + Qt::META + Qt::Key_F12 ));
  67
  68     m_ui->editor->addCollection(m_actionCollection);
  69     }
  70
  71 SnowEffectConfig::~SnowEffectConfig()
  72     {
  73     // Undo (only) unsaved changes to global key shortcuts
  74     m_ui->editor->undoChanges();
  75     }
  76
  77 void SnowEffectConfig::load()
  78     {
  79     KCModule::load();
  80
  81     KConfigGroup conf = EffectsHandler::effectConfig("Snow");
  82
  83     int number = conf.readEntry("Number", 200);
  84     int minFlake = conf.readEntry("MinFlakes", 10);
  85     int maxFlake = conf.readEntry("MaxFlakes", 50);
  86     int maxVSpeed = conf.readEntry("MaxVSpeed", 2);
  87     int maxHSpeed = conf.readEntry("MaxHSpeed", 1);
  88     m_ui->snowBehindWindows->setChecked( conf.readEntry("BehindWindows", true));
  89     m_ui->numberFlakes->setValue( number );
  90     m_ui->minSizeFlake->setValue( minFlake );
  91     m_ui->maxSizeFlake->setValue( maxFlake );
  92     m_ui->maxVSpeed->setValue( maxVSpeed );
  93     m_ui->maxHSpeed->setValue( maxHSpeed );
  94
  95
  96     emit changed(false);
  97     }
  98
  99 void SnowEffectConfig::save()
 100     {
 101     KConfigGroup conf = EffectsHandler::effectConfig("Snow");
 102     conf.writeEntry("Number", m_ui->numberFlakes->value());
 103     conf.writeEntry("MinFlakes", m_ui->minSizeFlake->value());
 104     conf.writeEntry("MaxFlakes", m_ui->maxSizeFlake->value());
 105     conf.writeEntry("MaxVSpeed", m_ui->maxVSpeed->value());
 106     conf.writeEntry("MaxHSpeed", m_ui->maxHSpeed->value());
 107     conf.writeEntry("BehindWindows", m_ui->snowBehindWindows->isChecked());
 108
 109     m_ui->editor->save();   // undo() will restore to this state from now on
 110
 111     conf.sync();
 112
 113     emit changed(false);
 114     EffectsHandler::sendReloadMessage( "snow" );
 115     }
 116
 117 void SnowEffectConfig::defaults()
 118     {
 119     m_ui->numberFlakes->setValue( 200 );
 120     m_ui->minSizeFlake->setValue( 10 );
 121     m_ui->maxSizeFlake->setValue( 50 );
 122     m_ui->maxVSpeed->setValue( 2 );
 123     m_ui->maxHSpeed->setValue( 1 );
 124     m_ui->snowBehindWindows->setChecked( true );
 125     m_ui->editor->allDefault();
 126     emit changed(true);
 127     }
 128
 129
 130 } // namespace
 131
 132 #include "snow_config.moc"