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(const KUrl& url,
  43                                                  QWidget* parent) :
  44     ViewSettingsPageBase(parent),
  45     m_url(url),
  46     m_localProps(0),
  47     m_globalProps(0),
  48     m_maxPreviewSize(0),
  49     m_spinBox(0),
  50     m_useFileThumbnails(0),
  51     m_showSelectionToggle(0)
  52 {
  53     const int spacing = KDialog::spacingHint();
  54     const int margin = KDialog::marginHint();
  55     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  56
  57     setSpacing(spacing);
  58     setMargin(margin);
  59
  60     QGroupBox* propsBox = new QGroupBox(i18nc("@title:group", "View Properties"), this);
  61
  62     m_localProps = new QRadioButton(i18nc("@option:radio", "Remember view properties for each folder"), propsBox);
  63     connect(m_localProps, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
  64
  65     m_globalProps = new QRadioButton(i18nc("@option:radio", "Use common view properties for all folders"), propsBox);
  66     connect(m_globalProps, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
  67
  68     QVBoxLayout* propsBoxLayout = new QVBoxLayout(propsBox);
  69     propsBoxLayout->addWidget(m_localProps);
  70     propsBoxLayout->addWidget(m_globalProps);
  71
  72     // create 'File Previews' box
  73     QGroupBox* previewBox = new QGroupBox(i18nc("@title:group", "File Previews"), this);
  74
  75     KHBox* vBox = new KHBox(previewBox);
  76     vBox->setSpacing(spacing);
  77
  78     new QLabel(i18nc("@label:slider", "Maximum file size:"), vBox);
  79     m_maxPreviewSize = new QSlider(Qt::Horizontal, vBox);
  80
  81     m_spinBox = new QSpinBox(vBox);
  82
  83     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
  84             m_spinBox, SLOT(setValue(int)));
  85     connect(m_spinBox, SIGNAL(valueChanged(int)),
  86             m_maxPreviewSize, SLOT(setValue(int)));
  87
  88     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
  89             this, SIGNAL(changed()));
  90     connect(m_spinBox, SIGNAL(valueChanged(int)),
  91             this, SIGNAL(changed()));
  92
  93     m_useFileThumbnails = new QCheckBox(i18nc("@option:check", "Use thumbnails embedded in files"), previewBox);
  94     connect(m_useFileThumbnails, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
  95
  96     QVBoxLayout* previewBoxLayout = new QVBoxLayout(previewBox);
  97     previewBoxLayout->addWidget(vBox);
  98     previewBoxLayout->addWidget(m_useFileThumbnails);
  99
 100     m_showSelectionToggle = new QCheckBox(i18nc("@option:check", "Show selection toggle"), this);
 101     connect(m_showSelectionToggle, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
 102
 103     // Add a dummy widget with no restriction regarding
 104     // a vertical resizing. This assures that the dialog layout
 105     // is not stretched vertically.
 106     new QWidget(this);
 107
 108     loadSettings();
 109 }
 110
 111
 112 GeneralViewSettingsPage::~GeneralViewSettingsPage()
 113 {
 114 }
 115
 116 void GeneralViewSettingsPage::applySettings()
 117 {
 118     ViewProperties props(m_url);  // read current view properties
 119
 120     const bool useGlobalProps = m_globalProps->isChecked();
 121
 122     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 123     settings->setGlobalViewProps(useGlobalProps);
 124
 125     if (useGlobalProps) {
 126         // Remember the global view properties by applying the current view properties.
 127         // It is important that GeneralSettings::globalViewProps() is set before
 128         // the class ViewProperties is used, as ViewProperties uses this setting
 129         // to find the destination folder for storing the view properties.
 130         ViewProperties globalProps(m_url);
 131         globalProps.setDirProperties(props);
 132     }
 133
 134     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 135     const int byteCount = m_maxPreviewSize->value() * 1024 * 1024; // value() returns size in MB
 136     globalConfig.writeEntry("MaximumSize",
 137                             byteCount,
 138                             KConfigBase::Normal | KConfigBase::Global);
 139     globalConfig.writeEntry("UseFileThumbnails",
 140                             m_useFileThumbnails->isChecked(),
 141                             KConfigBase::Normal | KConfigBase::Global);
 142     globalConfig.sync();
 143
 144     settings->setShowSelectionToggle(m_showSelectionToggle->isChecked());
 145 }
 146
 147 void GeneralViewSettingsPage::restoreDefaults()
 148 {
 149     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 150     settings->setDefaults();
 151     loadSettings();
 152 }
 153
 154 void GeneralViewSettingsPage::loadSettings()
 155 {
 156     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 157     if (settings->globalViewProps()) {
 158         m_globalProps->setChecked(true);
 159     } else {
 160         m_localProps->setChecked(true);
 161     }
 162
 163     const int min = 1;   // MB
 164     const int max = 100; // MB
 165     m_maxPreviewSize->setRange(min, max);
 166     m_maxPreviewSize->setPageStep(10);
 167     m_maxPreviewSize->setSingleStep(1);
 168     m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
 169
 170     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 171     // TODO: The default value of 5 MB must match with the default value inside
 172     // kdelibs/kio/kio/previewjob.cpp. Maybe a static getter method in PreviewJob
 173     // should be added for getting the default size?
 174     const int maxByteSize = globalConfig.readEntry("MaximumSize", 5 * 1024 * 1024 /* 5 MB */);
 175     int maxMByteSize = maxByteSize / (1024 * 1024);
 176     if (maxMByteSize < 1) {
 177         maxMByteSize = 1;
 178     } else if (maxMByteSize > max) {
 179         maxMByteSize = max;
 180     }
 181
 182     m_spinBox->setRange(min, max);
 183     m_spinBox->setSingleStep(1);
 184     m_spinBox->setSuffix(" MB");
 185
 186     m_maxPreviewSize->setValue(maxMByteSize);
 187     m_spinBox->setValue(m_maxPreviewSize->value());
 188
 189     const bool useFileThumbnails = globalConfig.readEntry("UseFileThumbnails", true);
 190     m_useFileThumbnails->setChecked(useFileThumbnails);
 191
 192     m_showSelectionToggle->setChecked(settings->showSelectionToggle());
 193 }
 194
 195 #include "generalviewsettingspage.moc"