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 <QLabel>
  27 #include <QGroupBox>
  28 #include <QRadioButton>
  29 #include <QSlider>
  30 #include <QSpinBox>
  31 #include <QVBoxLayout>
  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 {
  47     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
  48     Q_ASSERT(settings != 0);
  49
  50     const int spacing = KDialog::spacingHint();
  51     const int margin = KDialog::marginHint();
  52     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
  53
  54     setSpacing(spacing);
  55     setMargin(margin);
  56
  57     QGroupBox* propsBox = new QGroupBox(i18n("View Properties"), this);
  58
  59     m_localProps = new QRadioButton(i18n("Remember view properties for each folder."), propsBox);
  60     m_globalProps = new QRadioButton(i18n("Use common view properties for all folders."), propsBox);
  61     if (settings->globalViewProps()) {
  62         m_globalProps->setChecked(true);
  63     }
  64     else {
  65         m_localProps->setChecked(true);
  66     }
  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(i18n("File Previews"), this);
  74
  75     QLabel* maxFileSize = new QLabel(i18n("Maximum file size:"), previewBox);
  76
  77     KHBox* vBox = new KHBox(previewBox);
  78     vBox->setSpacing(spacing);
  79
  80     const int min = 1;   // MB
  81     const int max = 100; // MB
  82     m_maxPreviewSize = new QSlider(Qt::Horizontal, vBox);
  83     m_maxPreviewSize->setRange(min, max);
  84     m_maxPreviewSize->setPageStep(10);
  85     m_maxPreviewSize->setSingleStep(1);
  86     m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
  87
  88     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
  89     const int maxByteSize = globalConfig.readEntry("MaximumSize", 1024 * 1024 /* 1 MB */);
  90     int maxMByteSize = maxByteSize / (1024 * 1024);
  91     if (maxMByteSize < 1) {
  92         maxMByteSize = 1;
  93     }
  94     else if (maxMByteSize > max) {
  95         maxMByteSize = max;
  96     }
  97     m_maxPreviewSize->setValue(maxMByteSize);
  98
  99     QSpinBox* spinBox = new QSpinBox(vBox);
 100     spinBox->setRange(min, max);
 101     spinBox->setSingleStep(1);
 102     spinBox->setSuffix(" MB");
 103     spinBox->setValue(m_maxPreviewSize->value());
 104
 105     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
 106             spinBox, SLOT(setValue(int)));
 107     connect(spinBox, SIGNAL(valueChanged(int)),
 108             m_maxPreviewSize, SLOT(setValue(int)));
 109
 110     QVBoxLayout* previewBoxLayout = new QVBoxLayout(previewBox);
 111     previewBoxLayout->addWidget(maxFileSize);
 112     previewBoxLayout->addWidget(vBox);
 113
 114     // Add a dummy widget with no restriction regarding
 115     // a vertical resizing. This assures that the dialog layout
 116     // is not stretched vertically.
 117     new QWidget(this);
 118 }
 119
 120
 121 GeneralViewSettingsPage::~GeneralViewSettingsPage()
 122 {
 123 }
 124
 125 void GeneralViewSettingsPage::applySettings()
 126 {
 127     const KUrl& url = m_mainWindow->activeView()->url();
 128     ViewProperties props(url);  // read current view properties
 129
 130     const bool useGlobalProps = m_globalProps->isChecked();
 131
 132     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 133     Q_ASSERT(settings != 0);
 134     settings->setGlobalViewProps(useGlobalProps);
 135
 136     if (useGlobalProps) {
 137         // Remember the global view properties by applying the current view properties.
 138         // It is important that GeneralSettings::globalViewProps() is set before
 139         // the class ViewProperties is used, as ViewProperties uses this setting
 140         // to find the destination folder for storing the view properties.
 141         ViewProperties globalProps(url);
 142         globalProps.setDirProperties(props);
 143     }
 144
 145     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 146     const int byteCount = m_maxPreviewSize->value() * 1024 * 1024; // value() returns size in MB
 147     globalConfig.writeEntry("MaximumSize",
 148                             byteCount,
 149                             KConfigBase::Normal | KConfigBase::Global);
 150     globalConfig.sync();
 151 }
 152
 153 #include "generalviewsettingspage.moc"