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     } else {
  64         m_localProps->setChecked(true);
  65     }
  66
  67     QVBoxLayout* propsBoxLayout = new QVBoxLayout(propsBox);
  68     propsBoxLayout->addWidget(m_localProps);
  69     propsBoxLayout->addWidget(m_globalProps);
  70
  71     // create 'File Previews' box
  72     QGroupBox* previewBox = new QGroupBox(i18n("File Previews"), this);
  73
  74     QLabel* maxFileSize = new QLabel(i18n("Maximum file size:"), previewBox);
  75
  76     KHBox* vBox = new KHBox(previewBox);
  77     vBox->setSpacing(spacing);
  78
  79     const int min = 1;   // MB
  80     const int max = 100; // MB
  81     m_maxPreviewSize = new QSlider(Qt::Horizontal, vBox);
  82     m_maxPreviewSize->setRange(min, max);
  83     m_maxPreviewSize->setPageStep(10);
  84     m_maxPreviewSize->setSingleStep(1);
  85     m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
  86
  87     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
  88     const int maxByteSize = globalConfig.readEntry("MaximumSize", 1024 * 1024 /* 1 MB */);
  89     int maxMByteSize = maxByteSize / (1024 * 1024);
  90     if (maxMByteSize < 1) {
  91         maxMByteSize = 1;
  92     } else if (maxMByteSize > max) {
  93         maxMByteSize = max;
  94     }
  95     m_maxPreviewSize->setValue(maxMByteSize);
  96
  97     QSpinBox* spinBox = new QSpinBox(vBox);
  98     spinBox->setRange(min, max);
  99     spinBox->setSingleStep(1);
 100     spinBox->setSuffix(" MB");
 101     spinBox->setValue(m_maxPreviewSize->value());
 102
 103     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
 104             spinBox, SLOT(setValue(int)));
 105     connect(spinBox, SIGNAL(valueChanged(int)),
 106             m_maxPreviewSize, SLOT(setValue(int)));
 107
 108     QVBoxLayout* previewBoxLayout = new QVBoxLayout(previewBox);
 109     previewBoxLayout->addWidget(maxFileSize);
 110     previewBoxLayout->addWidget(vBox);
 111
 112     // Add a dummy widget with no restriction regarding
 113     // a vertical resizing. This assures that the dialog layout
 114     // is not stretched vertically.
 115     new QWidget(this);
 116 }
 117
 118
 119 GeneralViewSettingsPage::~GeneralViewSettingsPage()
 120 {}
 121
 122 void GeneralViewSettingsPage::applySettings()
 123 {
 124     const KUrl& url = m_mainWindow->activeView()->url();
 125     ViewProperties props(url);  // read current view properties
 126
 127     const bool useGlobalProps = m_globalProps->isChecked();
 128
 129     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
 130     Q_ASSERT(settings != 0);
 131     settings->setGlobalViewProps(useGlobalProps);
 132
 133     if (useGlobalProps) {
 134         // Remember the global view properties by applying the current view properties.
 135         // It is important that GeneralSettings::globalViewProps() is set before
 136         // the class ViewProperties is used, as ViewProperties uses this setting
 137         // to find the destination folder for storing the view properties.
 138         ViewProperties globalProps(url);
 139         globalProps.setDirProperties(props);
 140     }
 141
 142     KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
 143     const int byteCount = m_maxPreviewSize->value() * 1024 * 1024; // value() returns size in MB
 144     globalConfig.writeEntry("MaximumSize",
 145                             byteCount,
 146                             KConfigBase::Normal | KConfigBase::Global);
 147     globalConfig.sync();
 148 }
 149
 150 #include "generalviewsettingspage.moc"