workspace/ksysguard/gui/SensorDisplayLib/DancingBarsSettings.cc

   1 /*
   2     KSysGuard, the KDE System Guard
   3
   4     Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
   5
   6     This program is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU General Public
   8     License as published by the Free Software Foundation; either
   9     version 2 of the License, or (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19
  20 */
  21
  22 #include <kacceleratormanager.h>
  23 #include <kcolorbutton.h>
  24 #include <klineedit.h>
  25 #include <kinputdialog.h>
  26 #include <klocale.h>
  27 #include <knuminput.h>
  28
  29 #include <QtGui/QCheckBox>
  30 #include <QtGui/QGroupBox>
  31 #include <QtGui/QHeaderView>
  32 #include <QtGui/QLabel>
  33 #include <QtGui/QLayout>
  34 #include <QtGui/QPushButton>
  35 #include <QtGui/QTreeView>
  36
  37 #include "DancingBarsSettings.h"
  38
  39 DancingBarsSettings::DancingBarsSettings( QWidget* parent, const char* name )
  40   : KPageDialog( parent ), mModel( new SensorModel( this ) )
  41 {
  42   setFaceType( Tabbed );
  43   setCaption( i18n( "Edit BarGraph Preferences" ) );
  44   setButtons( Ok | Cancel );
  45   setObjectName( name );
  46   setModal( false );
  47   showButtonSeparator( true );
  48
  49   mModel->setHasLabel( true );
  50
  51   // Range page
  52   QFrame *page = new QFrame( this );
  53   addPage( page, i18n( "Range" ) );
  54   QGridLayout *pageLayout = new QGridLayout( page );
  55   pageLayout->setSpacing( spacingHint() );
  56   pageLayout->setMargin( 0 );
  57
  58   QGroupBox *groupBox = new QGroupBox( i18n( "Title" ), page );
  59   QGridLayout *boxLayout = new QGridLayout;
  60   groupBox->setLayout( boxLayout );
  61
  62   mTitle = new KLineEdit( groupBox );
  63   mTitle->setWhatsThis( i18n( "Enter the title of the display here." ) );
  64   boxLayout->addWidget( mTitle, 0, 0 );
  65
  66   pageLayout->addWidget( groupBox, 0, 0 );
  67
  68   groupBox = new QGroupBox( i18n( "Display Range" ), page );
  69   boxLayout = new QGridLayout;
  70   groupBox->setLayout( boxLayout );
  71   boxLayout->setColumnStretch( 2, 1 );
  72
  73   QLabel *label = new QLabel( i18n( "Minimum value:" ), groupBox );
  74   boxLayout->addWidget( label, 0, 0 );
  75
  76   mMinValue = new QDoubleSpinBox(groupBox);
  77   mMinValue->setRange(0, 10000);
  78   mMinValue->setSingleStep(0.5);
  79   mMinValue->setValue(0);
  80   mMinValue->setDecimals(2);
  81   mMinValue->setWhatsThis( i18n( "Enter the minimum value for the display here. If both values are 0, automatic range detection is enabled." ) );
  82   boxLayout->addWidget( mMinValue, 0, 1 );
  83   label->setBuddy( mMinValue );
  84
  85   label = new QLabel( i18n( "Maximum value:" ), groupBox );
  86   boxLayout->addWidget( label, 0, 3 );
  87
  88   mMaxValue = new QDoubleSpinBox( groupBox);
  89   mMaxValue->setRange(0, 100);
  90   mMaxValue->setSingleStep(0.5);
  91   mMaxValue->setValue(100);
  92   mMaxValue->setDecimals(2);
  93   mMaxValue->setWhatsThis( i18n( "Enter the maximum value for the display here. If both values are 0, automatic range detection is enabled." ) );
  94   boxLayout->addWidget( mMaxValue, 0, 4 );
  95   label->setBuddy( mMaxValue );
  96
  97   pageLayout->addWidget( groupBox, 1, 0 );
  98
  99   pageLayout->setRowStretch( 2, 1 );
 100
 101   // Alarm page
 102   page = new QFrame( this );
 103   addPage( page, i18n( "Alarms" ) );
 104   pageLayout = new QGridLayout( page );
 105   pageLayout->setSpacing( spacingHint() );
 106   pageLayout->setMargin( 0 );
 107
 108   groupBox = new QGroupBox( i18n( "Alarm for Minimum Value" ), page );
 109   boxLayout = new QGridLayout;
 110   groupBox->setLayout( boxLayout );
 111   boxLayout->setColumnStretch( 1, 1 );
 112
 113   mUseLowerLimit = new QCheckBox( i18n( "Enable alarm" ), groupBox );
 114   mUseLowerLimit->setWhatsThis( i18n( "Enable the minimum value alarm." ) );
 115   boxLayout->addWidget( mUseLowerLimit, 0, 0 );
 116
 117   label = new QLabel( i18n( "Lower limit:" ), groupBox );
 118   boxLayout->addWidget( label, 0, 2 );
 119
 120   mLowerLimit = new QDoubleSpinBox(groupBox);
 121   mLowerLimit->setRange(0, 100);
 122   mLowerLimit->setSingleStep(0.5);
 123   mLowerLimit->setValue(0);
 124   mLowerLimit->setDecimals(2);
 125   mLowerLimit->setEnabled( false );
 126   boxLayout->addWidget( mLowerLimit, 0, 3 );
 127   label->setBuddy( mLowerLimit );
 128
 129   pageLayout->addWidget( groupBox, 0, 0 );
 130
 131   groupBox = new QGroupBox( i18n( "Alarm for Maximum Value" ), page );
 132   boxLayout = new QGridLayout;
 133   groupBox->setLayout( boxLayout );
 134   boxLayout->setColumnStretch( 1, 1 );
 135
 136   mUseUpperLimit = new QCheckBox( i18n( "Enable alarm" ), groupBox );
 137   mUseUpperLimit->setWhatsThis( i18n( "Enable the maximum value alarm." ) );
 138   boxLayout->addWidget( mUseUpperLimit, 0, 0 );
 139
 140   label = new QLabel( i18n( "Upper limit:" ), groupBox );
 141   boxLayout->addWidget( label, 0, 2 );
 142
 143   mUpperLimit = new QDoubleSpinBox( groupBox);
 144   mUpperLimit->setRange(0, 1000);
 145   mUpperLimit->setSingleStep(0.5);
 146   mUpperLimit->setDecimals(2);
 147   mUpperLimit->setEnabled( false );
 148   boxLayout->addWidget( mUpperLimit, 0, 3 );
 149   label->setBuddy( mUpperLimit );
 150
 151   pageLayout->addWidget( groupBox, 1, 0 );
 152
 153   pageLayout->setRowStretch( 2, 1 );
 154
 155   // Look page
 156   page = new QFrame( this );
 157   addPage( page, i18nc( "@title:tab Appearance of the bar graph", "Look" ) );
 158   pageLayout = new QGridLayout( page );
 159   pageLayout->setSpacing( spacingHint() );
 160   pageLayout->setMargin( 0 );
 161
 162   label = new QLabel( i18n( "Normal bar color:" ), page );
 163   pageLayout->addWidget( label, 0, 0 );
 164
 165   mForegroundColor = new KColorButton( page );
 166   pageLayout->addWidget( mForegroundColor, 0, 1 );
 167   label->setBuddy( mForegroundColor );
 168
 169   label = new QLabel( i18n( "Out-of-range color:" ), page );
 170   pageLayout->addWidget( label, 1, 0 );
 171
 172   mAlarmColor = new KColorButton( page );
 173   pageLayout->addWidget( mAlarmColor, 1, 1 );
 174   label->setBuddy( mAlarmColor );
 175
 176   label = new QLabel( i18n( "Background color:" ), page );
 177   pageLayout->addWidget( label, 2, 0 );
 178
 179   mBackgroundColor = new KColorButton( page );
 180   pageLayout->addWidget( mBackgroundColor, 2, 1 );
 181   label->setBuddy( mBackgroundColor );
 182
 183   label = new QLabel( i18n( "Font size:" ), page );
 184   pageLayout->addWidget( label, 3, 0 );
 185
 186   mFontSize = new KIntNumInput( 9, page );
 187   mFontSize->setWhatsThis( i18n( "This determines the size of the font used to print a label underneath the bars. Bars are automatically suppressed if text becomes too large, so it is advisable to use a small font size here." ) );
 188   pageLayout->addWidget( mFontSize, 3, 1 );
 189   label->setBuddy( mFontSize );
 190
 191   pageLayout->setRowStretch( 4, 1 );
 192
 193   // Sensor page
 194   page = new QFrame( this );
 195   addPage( page, i18n( "Sensors" ) );
 196   pageLayout = new QGridLayout( page );
 197   pageLayout->setSpacing( spacingHint() );
 198   pageLayout->setMargin( 0 );
 199   pageLayout->setRowStretch( 2, 1 );
 200
 201   mView = new QTreeView( page );
 202   mView->header()->setStretchLastSection( true );
 203   mView->setRootIsDecorated( false );
 204   mView->setItemsExpandable( false );
 205   mView->setModel( mModel );
 206   pageLayout->addWidget( mView, 0, 0, 3, 1);
 207
 208   mEditButton = new QPushButton( i18n( "Edit..." ), page );
 209   mEditButton->setWhatsThis( i18n( "Push this button to configure the label." ) );
 210   pageLayout->addWidget( mEditButton, 0, 1 );
 211
 212   mRemoveButton = new QPushButton( i18n( "Delete" ), page );
 213   mRemoveButton->setWhatsThis( i18n( "Push this button to delete the sensor." ) );
 214   pageLayout->addWidget( mRemoveButton, 1, 1 );
 215
 216   connect( mUseLowerLimit, SIGNAL( toggled( bool ) ),
 217            mLowerLimit, SLOT( setEnabled( bool ) ) );
 218   connect( mUseUpperLimit, SIGNAL( toggled( bool ) ),
 219            mUpperLimit, SLOT( setEnabled( bool ) ) );
 220   connect( mEditButton, SIGNAL( clicked() ), SLOT( editSensor() ) );
 221   connect( mRemoveButton, SIGNAL( clicked() ), SLOT( removeSensor() ) );
 222
 223   KAcceleratorManager::manage( this );
 224
 225   mTitle->setFocus();
 226 }
 227
 228 DancingBarsSettings::~DancingBarsSettings()
 229 {
 230 }
 231
 232 void DancingBarsSettings::setTitle( const QString& title )
 233 {
 234   mTitle->setText( title );
 235 }
 236
 237 QString DancingBarsSettings::title() const
 238 {
 239   return mTitle->text();
 240 }
 241
 242 void DancingBarsSettings::setMinValue( double min )
 243 {
 244   mMinValue->setValue( min );
 245 }
 246
 247 double DancingBarsSettings::minValue() const
 248 {
 249   return mMinValue->value();
 250 }
 251
 252 void DancingBarsSettings::setMaxValue( double max )
 253 {
 254   mMaxValue->setValue( max );
 255 }
 256
 257 double DancingBarsSettings::maxValue() const
 258 {
 259   return mMaxValue->value();
 260 }
 261
 262 void DancingBarsSettings::setUseLowerLimit( bool value )
 263 {
 264   mUseLowerLimit->setChecked( value );
 265 }
 266
 267 bool DancingBarsSettings::useLowerLimit() const
 268 {
 269   return mUseLowerLimit->isChecked();
 270 }
 271
 272 void DancingBarsSettings::setLowerLimit( double limit )
 273 {
 274   mLowerLimit->setValue( limit );
 275 }
 276
 277 double DancingBarsSettings::lowerLimit() const
 278 {
 279   return mLowerLimit->value();
 280 }
 281
 282 void DancingBarsSettings::setUseUpperLimit( bool value )
 283 {
 284   mUseUpperLimit->setChecked( value );
 285 }
 286
 287 bool DancingBarsSettings::useUpperLimit() const
 288 {
 289   return mUseUpperLimit->isChecked();
 290 }
 291
 292 void DancingBarsSettings::setUpperLimit( double limit )
 293 {
 294   mUpperLimit->setValue( limit );
 295 }
 296
 297 double DancingBarsSettings::upperLimit() const
 298 {
 299   return mUpperLimit->value();
 300 }
 301
 302 void DancingBarsSettings::setForegroundColor( const QColor &color )
 303 {
 304   mForegroundColor->setColor( color );
 305 }
 306
 307 QColor DancingBarsSettings::foregroundColor() const
 308 {
 309   return mForegroundColor->color();
 310 }
 311
 312 void DancingBarsSettings::setAlarmColor( const QColor &color )
 313 {
 314   mAlarmColor->setColor( color );
 315 }
 316
 317 QColor DancingBarsSettings::alarmColor() const
 318 {
 319   return mAlarmColor->color();
 320 }
 321
 322 void DancingBarsSettings::setBackgroundColor( const QColor &color )
 323 {
 324   mBackgroundColor->setColor( color );
 325 }
 326
 327 QColor DancingBarsSettings::backgroundColor() const
 328 {
 329   return mBackgroundColor->color();
 330 }
 331
 332 void DancingBarsSettings::setFontSize( int size )
 333 {
 334   mFontSize->setValue( size );
 335 }
 336
 337 int DancingBarsSettings::fontSize() const
 338 {
 339   return mFontSize->value();
 340 }
 341
 342 void DancingBarsSettings::setSensors( const SensorModelEntry::List &list )
 343 {
 344   mModel->setSensors( list );
 345
 346   mView->selectionModel()->setCurrentIndex( mModel->index( 0, 0 ), QItemSelectionModel::SelectCurrent |
 347                                                                    QItemSelectionModel::Rows );
 348 }
 349
 350 SensorModelEntry::List DancingBarsSettings::sensors() const
 351 {
 352   return mModel->sensors();
 353 }
 354
 355 void DancingBarsSettings::editSensor()
 356 {
 357   if ( !mView->selectionModel() )
 358     return;
 359
 360   const QModelIndex index = mView->selectionModel()->currentIndex();
 361   if ( !index.isValid() )
 362     return;
 363
 364   SensorModelEntry sensor = mModel->sensor( index );
 365
 366   bool ok;
 367   const QString name = KInputDialog::getText( i18n( "Label of Bar Graph" ),
 368                                               i18n( "Enter new label:" ), sensor.label(), &ok, this );
 369   if ( ok ) {
 370     sensor.setLabel( name );
 371     mModel->setSensor( sensor, index );
 372   }
 373 }
 374
 375 void DancingBarsSettings::removeSensor()
 376 {
 377   if ( !mView->selectionModel() )
 378     return;
 379
 380   const QModelIndex index = mView->selectionModel()->currentIndex();
 381   if ( !index.isValid() )
 382     return;
 383
 384   mModel->removeSensor( index );
 385 }
 386
 387 #include "DancingBarsSettings.moc"