Fix the problem of the tree view. When we are expanding too many nodes (or very large...

[dolphin.git] / src / generalviewsettingspage.cpp

diff --git a/src/generalviewsettingspage.cpp b/src/generalviewsettingspage.cpp
index 7b4eba16987593f1fa8f25c460841fd957b5b046..2d815d3d20274995a083d10e901ed3ae6137c5bc 100644 (file)
--- a/src/generalviewsettingspage.cpp
+++ b/src/generalviewsettingspage.cpp
@@ -20,15 +20,18 @@
 #include "generalviewsettingspage.h"
 #include "dolphinmainwindow.h"
 #include "dolphinsettings.h"
-#include "dolphin_generalsettings.h"
+#include "dolphinviewcontainer.h"
 #include "viewproperties.h"
 
-#include <QtGui/QLabel>
-#include <QtGui/QGroupBox>
-#include <QtGui/QRadioButton>
-#include <QtGui/QSlider>
-#include <QtGui/QSpinBox>
-#include <QtGui/QBoxLayout>
+#include "dolphin_generalsettings.h"
+
+#include <QCheckBox>
+#include <QGroupBox>
+#include <QLabel>
+#include <QRadioButton>
+#include <QSlider>
+#include <QSpinBox>
+#include <QBoxLayout>
 
 #include <kconfiggroup.h>
 #include <kdialog.h>
@@ -42,11 +45,10 @@ GeneralViewSettingsPage::GeneralViewSettingsPage(DolphinMainWindow* mainWindow,
     m_mainWindow(mainWindow),
     m_localProps(0),
     m_globalProps(0),
-    m_maxPreviewSize(0)
+    m_maxPreviewSize(0),
+    m_spinBox(0),
+    m_useFileThumbnails(0)
 {
-    GeneralSettings* settings = DolphinSettings::instance().generalSettings();
-    Q_ASSERT(settings != 0);
-
     const int spacing = KDialog::spacingHint();
     const int margin = KDialog::marginHint();
     const QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
@@ -54,80 +56,58 @@ GeneralViewSettingsPage::GeneralViewSettingsPage(DolphinMainWindow* mainWindow,
     setSpacing(spacing);
     setMargin(margin);
 
-    QGroupBox* propsBox = new QGroupBox(i18n("View Properties"), this);
+    QGroupBox* propsBox = new QGroupBox(i18nc("@title:group", "View Properties"), this);
 
-    m_localProps = new QRadioButton(i18n("Remember view properties for each folder"), propsBox);
-    m_globalProps = new QRadioButton(i18n("Use common view properties for all folders"), propsBox);
-    if (settings->globalViewProps()) {
-        m_globalProps->setChecked(true);
-    } else {
-        m_localProps->setChecked(true);
-    }
+    m_localProps = new QRadioButton(i18nc("@option:radio", "Remember view properties for each folder"), propsBox);
+    m_globalProps = new QRadioButton(i18nc("@option:radio", "Use common view properties for all folders"), propsBox);
 
     QVBoxLayout* propsBoxLayout = new QVBoxLayout(propsBox);
     propsBoxLayout->addWidget(m_localProps);
     propsBoxLayout->addWidget(m_globalProps);
 
     // create 'File Previews' box
-    QGroupBox* previewBox = new QGroupBox(i18n("File Previews"), this);
-
-    QLabel* maxFileSize = new QLabel(i18n("Maximum file size:"), previewBox);
+    QGroupBox* previewBox = new QGroupBox(i18nc("@title:group", "File Previews"), this);
 
     KHBox* vBox = new KHBox(previewBox);
     vBox->setSpacing(spacing);
 
-    const int min = 1;   // MB
-    const int max = 100; // MB
+    QLabel* maxFileSize = new QLabel(i18nc("@label:slider", "Maximum file size:"), vBox);
     m_maxPreviewSize = new QSlider(Qt::Horizontal, vBox);
-    m_maxPreviewSize->setRange(min, max);
-    m_maxPreviewSize->setPageStep(10);
-    m_maxPreviewSize->setSingleStep(1);
-    m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
-
-    KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
-    const int maxByteSize = globalConfig.readEntry("MaximumSize", 1024 * 1024 /* 1 MB */);
-    int maxMByteSize = maxByteSize / (1024 * 1024);
-    if (maxMByteSize < 1) {
-        maxMByteSize = 1;
-    } else if (maxMByteSize > max) {
-        maxMByteSize = max;
-    }
-    m_maxPreviewSize->setValue(maxMByteSize);
 
-    QSpinBox* spinBox = new QSpinBox(vBox);
-    spinBox->setRange(min, max);
-    spinBox->setSingleStep(1);
-    spinBox->setSuffix(" MB");
-    spinBox->setValue(m_maxPreviewSize->value());
+    m_spinBox = new QSpinBox(vBox);
 
     connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
-            spinBox, SLOT(setValue(int)));
-    connect(spinBox, SIGNAL(valueChanged(int)),
+            m_spinBox, SLOT(setValue(int)));
+    connect(m_spinBox, SIGNAL(valueChanged(int)),
             m_maxPreviewSize, SLOT(setValue(int)));
 
+    m_useFileThumbnails = new QCheckBox(i18n("Use thumbnails embedded in files"), previewBox);
+
     QVBoxLayout* previewBoxLayout = new QVBoxLayout(previewBox);
-    previewBoxLayout->addWidget(maxFileSize);
     previewBoxLayout->addWidget(vBox);
+    previewBoxLayout->addWidget(m_useFileThumbnails);
 
     // Add a dummy widget with no restriction regarding
     // a vertical resizing. This assures that the dialog layout
     // is not stretched vertically.
     new QWidget(this);
+
+    loadSettings();
 }
 
 
 GeneralViewSettingsPage::~GeneralViewSettingsPage()
-{}
+{
+}
 
 void GeneralViewSettingsPage::applySettings()
 {
-    const KUrl& url = m_mainWindow->activeView()->url();
+    const KUrl& url = m_mainWindow->activeViewContainer()->url();
     ViewProperties props(url);  // read current view properties
 
     const bool useGlobalProps = m_globalProps->isChecked();
 
     GeneralSettings* settings = DolphinSettings::instance().generalSettings();
-    Q_ASSERT(settings != 0);
     settings->setGlobalViewProps(useGlobalProps);
 
     if (useGlobalProps) {
@@ -144,7 +124,53 @@ void GeneralViewSettingsPage::applySettings()
     globalConfig.writeEntry("MaximumSize",
                             byteCount,
                             KConfigBase::Normal | KConfigBase::Global);
+    globalConfig.writeEntry("UseFileThumbnails",
+                            m_useFileThumbnails->isChecked(),
+                            KConfigBase::Normal | KConfigBase::Global);
     globalConfig.sync();
 }
 
+void GeneralViewSettingsPage::restoreDefaults()
+{
+    GeneralSettings* settings = DolphinSettings::instance().generalSettings();
+    settings->setDefaults();
+    loadSettings();
+}
+
+void GeneralViewSettingsPage::loadSettings()
+{
+    GeneralSettings* settings = DolphinSettings::instance().generalSettings();
+    if (settings->globalViewProps()) {
+        m_globalProps->setChecked(true);
+    } else {
+        m_localProps->setChecked(true);
+    }
+
+    const int min = 1;   // MB
+    const int max = 100; // MB
+    m_maxPreviewSize->setRange(min, max);
+    m_maxPreviewSize->setPageStep(10);
+    m_maxPreviewSize->setSingleStep(1);
+    m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
+
+    KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
+    const int maxByteSize = globalConfig.readEntry("MaximumSize", 5 * 1024 * 1024 /* 5 MB */);
+    int maxMByteSize = maxByteSize / (1024 * 1024);
+    if (maxMByteSize < 1) {
+        maxMByteSize = 1;
+    } else if (maxMByteSize > max) {
+        maxMByteSize = max;
+    }
+
+    m_spinBox->setRange(min, max);
+    m_spinBox->setSingleStep(1);
+    m_spinBox->setSuffix(" MB");
+
+    m_maxPreviewSize->setValue(maxMByteSize);
+    m_spinBox->setValue(m_maxPreviewSize->value());
+
+    const bool useFileThumbnails = globalConfig.readEntry("UseFileThumbnails", true);
+    m_useFileThumbnails->setChecked(useFileThumbnails);
+}
+
 #include "generalviewsettingspage.moc"