src/generalviewsettingspage.cpp

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