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 "dolphinviewcontainer.h"
  24 #include "viewproperties.h"
  25
  26 #include "dolphin_generalsettings.h"
  27
  28 #include <QCheckBox>
  29 #include <QGroupBox>
  30 #include <QLabel>
  31 #include <QRadioButton>
  32 #include <QSlider>
  33 #include <QSpinBox>
  34 #include <QBoxLayout>
  35
  36 #include <kconfiggroup.h>
  37 #include <kdialog.h>
  38 #include <kglobal.h>
  39 #include <klocale.h>
  40 #include <khbox.h>
  41
  42 GeneralViewSettingsPage::GeneralViewSettingsPage(DolphinMainWindow* mainWindow,
  43                                                  QWidget* parent) :
  44     KVBox(parent),
  45     m_mainWindow(mainWindow),
  46     m_localProps(0),
  47     m_globalProps(0),
  48     m_maxPreviewSize(0),
  49     m_spinBox(0),
  50     m_useFileThumbnails(0)
  51 {
  52     const int spacing = KDialog::spacingHint();
  53     const int margin = KDialog::marginHint();
  54     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  55
  56     setSpacing(spacing);
  57     setMargin(margin);
  58
  59     QGroupBox* propsBox = new QGroupBox(i18nc("@title:group", "View Properties"), this);
  60
  61     m_localProps = new QRadioButton(i18nc("@option:radio", "Remember view properties for each folder"), propsBox);
  62     m_globalProps = new QRadioButton(i18nc("@option:radio", "Use common view properties for all folders"), propsBox);
  63
  64     QVBoxLayout* propsBoxLayout = new QVBoxLayout(propsBox);
  65     propsBoxLayout->addWidget(m_localProps);
  66     propsBoxLayout->addWidget(m_globalProps);
  67
  68     // create 'File Previews' box
  69     QGroupBox* previewBox = new QGroupBox(i18nc("@title:group", "File Previews"), this);
  70
  71     QLabel* maxFileSize = new QLabel(i18nc("@label:slider", "Maximum file size:"), previewBox);
  72
  73     KHBox* vBox = new KHBox(previewBox);
  74     vBox->setSpacing(spacing);
  75     m_maxPreviewSize = new QSlider(Qt::Horizontal, vBox);
  76
  77     m_spinBox = new QSpinBox(vBox);
  78
  79     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
  80             m_spinBox, SLOT(setValue(int)));
  81     connect(m_spinBox, SIGNAL(valueChanged(int)),
  82             m_maxPreviewSize, SLOT(setValue(int)));
  83
  84     m_useFileThumbnails = new QCheckBox(i18n("Use thumbnails embedded in files"), previewBox);
  85
  86     QVBoxLayout* previewBoxLayout = new QVBoxLayout(previewBox);
  87     previewBoxLayout->addWidget(maxFileSize);
  88     previewBoxLayout->addWidget(vBox);
  89     previewBoxLayout->addWidget(m_useFileThumbnails);
  90
  91     // Add a dummy widget with no restriction regarding
  92     // a vertical resizing. This assures that the dialog layout
  93     // is not stretched vertically.
  94     new QWidget(this);
  95
  96     loadSettings();
  97 }
  98
  99
 100 GeneralViewSettingsPage::~GeneralViewSettingsPage()
 101 {
 102 }
 103
 104 void GeneralViewSettingsPage::applySettings()
 105 {
 106     const KUrl& url = m_mainWindow->activeViewContainer()->url();
 107     ViewProperties props(url);  // read current view properties
 108
 109     const bool useGlobalProps = m_globalProps->isChecked();
 110
 111     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 112     settings->setGlobalViewProps(useGlobalProps);
 113
 114     if (useGlobalProps) {
 115         // Remember the global view properties by applying the current view properties.
 116         // It is important that GeneralSettings::globalViewProps() is set before
 117         // the class ViewProperties is used, as ViewProperties uses this setting
 118         // to find the destination folder for storing the view properties.
 119         ViewProperties globalProps(url);
 120         globalProps.setDirProperties(props);
 121     }
 122
 123     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 124     const int byteCount = m_maxPreviewSize->value() * 1024 * 1024; // value() returns size in MB
 125     globalConfig.writeEntry("MaximumSize",
 126                             byteCount,
 127                             KConfigBase::Normal | KConfigBase::Global);
 128     globalConfig.writeEntry("UseFileThumbnails",
 129                             m_useFileThumbnails->isChecked(),
 130                             KConfigBase::Normal | KConfigBase::Global);
 131     globalConfig.sync();
 132 }
 133
 134 void GeneralViewSettingsPage::restoreDefaults()
 135 {
 136     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 137     settings->setDefaults();
 138     loadSettings();
 139 }
 140
 141 void GeneralViewSettingsPage::loadSettings()
 142 {
 143     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 144     if (settings->globalViewProps()) {
 145         m_globalProps->setChecked(true);
 146     } else {
 147         m_localProps->setChecked(true);
 148     }
 149
 150     const int min = 1;   // MB
 151     const int max = 100; // MB
 152     m_maxPreviewSize->setRange(min, max);
 153     m_maxPreviewSize->setPageStep(10);
 154     m_maxPreviewSize->setSingleStep(1);
 155     m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
 156
 157     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 158     const int maxByteSize = globalConfig.readEntry("MaximumSize", 5 * 1024 * 1024 /* 5 MB */);
 159     int maxMByteSize = maxByteSize / (1024 * 1024);
 160     if (maxMByteSize < 1) {
 161         maxMByteSize = 1;
 162     } else if (maxMByteSize > max) {
 163         maxMByteSize = max;
 164     }
 165
 166     m_spinBox->setRange(min, max);
 167     m_spinBox->setSingleStep(1);
 168     m_spinBox->setSuffix(" MB");
 169
 170     m_maxPreviewSize->setValue(maxMByteSize);
 171     m_spinBox->setValue(m_maxPreviewSize->value());
 172
 173     const bool useFileThumbnails = globalConfig.readEntry("UseFileThumbnails", true);
 174     m_useFileThumbnails->setChecked(useFileThumbnails);
 175 }
 176
 177 #include "generalviewsettingspage.moc"