src/generalviewsettingspage.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "generalviewsettingspage.h"
  21 #include "dolphinmainwindow.h"
  22 #include "dolphinsettings.h"
  23 #include "dolphin_generalsettings.h"
  24 #include "viewproperties.h"
  25
  26 #include <QtGui/QLabel>
  27 #include <QtGui/QGroupBox>
  28 #include <QtGui/QRadioButton>
  29 #include <QtGui/QSlider>
  30 #include <QtGui/QSpinBox>
  31 #include <QtGui/QBoxLayout>
  32
  33 #include <kconfiggroup.h>
  34 #include <kdialog.h>
  35 #include <kglobal.h>
  36 #include <klocale.h>
  37 #include <khbox.h>
  38
  39 GeneralViewSettingsPage::GeneralViewSettingsPage(DolphinMainWindow* mainWindow,
  40                                                  QWidget* parent) :
  41     KVBox(parent),
  42     m_mainWindow(mainWindow),
  43     m_localProps(0),
  44     m_globalProps(0),
  45     m_maxPreviewSize(0),
  46     m_spinBox(0)
  47 {
  48     const int spacing = KDialog::spacingHint();
  49     const int margin = KDialog::marginHint();
  50     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  51
  52     setSpacing(spacing);
  53     setMargin(margin);
  54
  55     QGroupBox* propsBox = new QGroupBox(i18n("View Properties"), this);
  56
  57     m_localProps = new QRadioButton(i18n("Remember view properties for each folder"), propsBox);
  58     m_globalProps = new QRadioButton(i18n("Use common view properties for all folders"), propsBox);
  59
  60     QVBoxLayout* propsBoxLayout = new QVBoxLayout(propsBox);
  61     propsBoxLayout->addWidget(m_localProps);
  62     propsBoxLayout->addWidget(m_globalProps);
  63
  64     // create 'File Previews' box
  65     QGroupBox* previewBox = new QGroupBox(i18n("File Previews"), this);
  66
  67     QLabel* maxFileSize = new QLabel(i18n("Maximum file size:"), previewBox);
  68
  69     KHBox* vBox = new KHBox(previewBox);
  70     vBox->setSpacing(spacing);
  71     m_maxPreviewSize = new QSlider(Qt::Horizontal, vBox);
  72
  73     m_spinBox = new QSpinBox(vBox);
  74
  75     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
  76             m_spinBox, SLOT(setValue(int)));
  77     connect(m_spinBox, SIGNAL(valueChanged(int)),
  78             m_maxPreviewSize, SLOT(setValue(int)));
  79
  80     QVBoxLayout* previewBoxLayout = new QVBoxLayout(previewBox);
  81     previewBoxLayout->addWidget(maxFileSize);
  82     previewBoxLayout->addWidget(vBox);
  83
  84     // Add a dummy widget with no restriction regarding
  85     // a vertical resizing. This assures that the dialog layout
  86     // is not stretched vertically.
  87     new QWidget(this);
  88
  89     loadSettings();
  90 }
  91
  92
  93 GeneralViewSettingsPage::~GeneralViewSettingsPage()
  94 {
  95     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  96     settings->setDefaults();
  97
  98     loadSettings();
  99 }
 100
 101 void GeneralViewSettingsPage::applySettings()
 102 {
 103     const KUrl& url = m_mainWindow->activeView()->url();
 104     ViewProperties props(url);  // read current view properties
 105
 106     const bool useGlobalProps = m_globalProps->isChecked();
 107
 108     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 109     settings->setGlobalViewProps(useGlobalProps);
 110
 111     if (useGlobalProps) {
 112         // Remember the global view properties by applying the current view properties.
 113         // It is important that GeneralSettings::globalViewProps() is set before
 114         // the class ViewProperties is used, as ViewProperties uses this setting
 115         // to find the destination folder for storing the view properties.
 116         ViewProperties globalProps(url);
 117         globalProps.setDirProperties(props);
 118     }
 119
 120     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 121     const int byteCount = m_maxPreviewSize->value() * 1024 * 1024; // value() returns size in MB
 122     globalConfig.writeEntry("MaximumSize",
 123                             byteCount,
 124                             KConfigBase::Normal | KConfigBase::Global);
 125     globalConfig.sync();
 126 }
 127
 128 void GeneralViewSettingsPage::restoreDefaults()
 129 {
 130     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 131     settings->setDefaults();
 132     loadSettings();
 133 }
 134
 135 void GeneralViewSettingsPage::loadSettings()
 136 {
 137     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 138     if (settings->globalViewProps()) {
 139         m_globalProps->setChecked(true);
 140     } else {
 141         m_localProps->setChecked(true);
 142     }
 143
 144     const int min = 1;   // MB
 145     const int max = 100; // MB
 146     m_maxPreviewSize->setRange(min, max);
 147     m_maxPreviewSize->setPageStep(10);
 148     m_maxPreviewSize->setSingleStep(1);
 149     m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
 150
 151     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 152     const int maxByteSize = globalConfig.readEntry("MaximumSize", 1024 * 1024 /* 1 MB */);
 153     int maxMByteSize = maxByteSize / (1024 * 1024);
 154     if (maxMByteSize < 1) {
 155         maxMByteSize = 1;
 156     } else if (maxMByteSize > max) {
 157         maxMByteSize = max;
 158     }
 159     m_maxPreviewSize->setValue(maxMByteSize);
 160
 161     m_spinBox->setRange(min, max);
 162     m_spinBox->setSingleStep(1);
 163     m_spinBox->setSuffix(" MB");
 164     m_spinBox->setValue(m_maxPreviewSize->value());
 165 }
 166
 167 #include "generalviewsettingspage.moc"