* Use Nepomuk for getting the meta data instead of KFileMetaInfo.

[dolphin.git] / src / dolphinstatusbar.cpp

diff --git a/src/dolphinstatusbar.cpp b/src/dolphinstatusbar.cpp
index 82cb09e110b20d104d7c5eda572364618c2726fc..7a9b5dc8a834fc88005504e28790f9319bcbf494 100644 (file)
--- a/src/dolphinstatusbar.cpp
+++ b/src/dolphinstatusbar.cpp
@@ -19,52 +19,104 @@
  ***************************************************************************/
 
 #include "dolphinstatusbar.h"
  ***************************************************************************/
 
 #include "dolphinstatusbar.h"

+#include "settings/dolphinsettings.h"

 #include "dolphinview.h"
 #include "dolphinview.h"

+#include "dolphin_generalsettings.h"

 #include "statusbarmessagelabel.h"
 #include "statusbarspaceinfo.h"
 #include "statusbarmessagelabel.h"
 #include "statusbarspaceinfo.h"

+#include "zoomlevelinfo.h"

 
 

+#include <QApplication>
+#include <QHBoxLayout>

 #include <QLabel>
 #include <QProgressBar>
 #include <QLabel>
 #include <QProgressBar>

+#include <QToolButton>

 #include <QTimer>
 
 #include <kiconloader.h>
 #include <QTimer>
 
 #include <kiconloader.h>

+#include <kicon.h>
+#include <klocale.h>

 #include <kvbox.h>
 
 #include <kvbox.h>
 

-DolphinStatusBar::DolphinStatusBar(DolphinView* parent) :
+DolphinStatusBar::DolphinStatusBar(QWidget* parent, DolphinView* view) :

     KHBox(parent),
     KHBox(parent),

+    m_view(view),

     m_messageLabel(0),
     m_spaceInfo(0),
     m_messageLabel(0),
     m_spaceInfo(0),

+    m_zoomWidget(0),
+    m_zoomOut(0),
+    m_zoomSlider(0),
+    m_zoomIn(0),

     m_progressBar(0),
     m_progress(100)
 {
     m_progressBar(0),
     m_progress(100)
 {

+    setMargin(0);

     setSpacing(4);
 
     setSpacing(4);
 

+    connect(m_view, SIGNAL(urlChanged(const KUrl&)),
+            this, SLOT(updateSpaceInfoContent(const KUrl&)));
+
+    // initialize message label

     m_messageLabel = new StatusBarMessageLabel(this);
     m_messageLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 
     m_messageLabel = new StatusBarMessageLabel(this);
     m_messageLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 

+    // initialize zoom slider
+    m_zoomWidget = new QWidget(this);
+
+    m_zoomOut = new QToolButton(m_zoomWidget);
+    m_zoomOut->setIcon(KIcon("zoom-out"));
+    m_zoomOut->setAutoRaise(true);
+
+    m_zoomSlider = new QSlider(Qt::Horizontal, m_zoomWidget);
+    m_zoomSlider->setPageStep(1);
+
+    const int min = ZoomLevelInfo::minimumLevel();
+    const int max = ZoomLevelInfo::maximumLevel();
+    m_zoomSlider->setRange(min, max);
+    m_zoomSlider->setValue(view->zoomLevel());
+    updateZoomSliderToolTip(view->zoomLevel());
+
+    m_zoomIn = new QToolButton(m_zoomWidget);
+    m_zoomIn->setIcon(KIcon("zoom-in"));
+    m_zoomIn->setAutoRaise(true);
+
+    QHBoxLayout* zoomWidgetLayout = new QHBoxLayout(m_zoomWidget);
+    zoomWidgetLayout->setSpacing(0);
+    zoomWidgetLayout->setMargin(0);
+    zoomWidgetLayout->addWidget(m_zoomOut);
+    zoomWidgetLayout->addWidget(m_zoomSlider);
+    zoomWidgetLayout->addWidget(m_zoomIn);
+
+    connect(m_zoomSlider, SIGNAL(valueChanged(int)), this, SLOT(setZoomLevel(int)));
+    connect(m_zoomSlider, SIGNAL(sliderMoved(int)), this, SLOT(showZoomSliderToolTip(int)));
+    connect(m_view, SIGNAL(zoomLevelChanged(int)), m_zoomSlider, SLOT(setValue(int)));
+    connect(m_zoomOut, SIGNAL(clicked()), this, SLOT(zoomOut()));
+    connect(m_zoomIn, SIGNAL(clicked()), this, SLOT(zoomIn()));
+
+    // initialize space information

     m_spaceInfo = new StatusBarSpaceInfo(this);
     m_spaceInfo = new StatusBarSpaceInfo(this);

-    m_spaceInfo->setUrl(parent->url());
+    m_spaceInfo->setUrl(m_view->url());

 
 

+    // initialize progress information

     m_progressText = new QLabel(this);
     m_progressText->hide();
 
     m_progressBar = new QProgressBar(this);
     m_progressBar->hide();
 
     m_progressText = new QLabel(this);
     m_progressText->hide();
 
     m_progressBar = new QProgressBar(this);
     m_progressBar->hide();
 

-    m_progressTimer = new QTimer(this);
-    connect(m_progressTimer, SIGNAL(timeout()),
-            this, SLOT(slotProgressTimer()));
+    // initialize sizes
+    const int fontHeight = QFontMetrics(m_messageLabel->font()).height();
+    const int zoomWidgetHeight = m_zoomWidget->minimumSizeHint().height();
+    const int contentHeight = (fontHeight < zoomWidgetHeight) ? zoomWidgetHeight : fontHeight;

 
 

-    const QSize size(m_progressBar->sizeHint());
-    m_progressBar->setMaximumWidth(200);
-    setMinimumHeight(size.height());
-    m_messageLabel->setMinimumTextHeight(size.height());
+    m_messageLabel->setMinimumTextHeight(contentHeight);
+    m_spaceInfo->setFixedHeight(contentHeight);
+    m_progressBar->setFixedSize(200, contentHeight);
+    m_zoomWidget->setFixedSize(150, contentHeight);

 
 

-    connect(parent, SIGNAL(urlChanged(const KUrl&)),
-            this, SLOT(slotUrlChanged(const KUrl&)));
+    setExtensionsVisible(true);

 }
 
 }
 

-

 DolphinStatusBar::~DolphinStatusBar()
 {
 }
 DolphinStatusBar::~DolphinStatusBar()
 {
 }


@@ -72,20 +124,18 @@ DolphinStatusBar::~DolphinStatusBar()
 void DolphinStatusBar::setMessage(const QString& msg,
                                   Type type)
 {
 void DolphinStatusBar::setMessage(const QString& msg,
                                   Type type)
 {

-    m_messageLabel->setText(msg);
-    if (msg.isEmpty() || (msg == m_defaultText)) {
-        type = Default;
+    if ((msg == m_messageLabel->text()) && (type == m_messageLabel->type())) {
+        return;

     }
     }

-    m_messageLabel->setType(type);

 
 

-    if ((type == Error) && (m_progress < 100)) {
-        // If an error message is shown during a progress is ongoing,
-        // the (never finishing) progress information should be hidden immediately
-        // (invoking 'setProgress(100)' only leads to a delayed hiding).
+    m_messageLabel->setMessage(msg, type);
+
+    const int widthGap = m_messageLabel->widthGap();
+    if (widthGap > 0) {

         m_progressBar->hide();
         m_progressText->hide();
         m_progressBar->hide();
         m_progressText->hide();

-        setProgress(100);

     }
     }

+    assureVisibleText();

 }
 
 DolphinStatusBar::Type DolphinStatusBar::type() const
 }
 
 DolphinStatusBar::Type DolphinStatusBar::type() const


@@ -112,60 +162,151 @@ void DolphinStatusBar::setProgress(int percent)
 {
     if (percent < 0) {
         percent = 0;
 {
     if (percent < 0) {
         percent = 0;

-    }
-    else if (percent > 100) {
+    } else if (percent > 100) {

         percent = 100;
     }
 
     m_progress = percent;
         percent = 100;
     }
 
     m_progress = percent;

+    if (m_messageLabel->type() == Error) {
+        // don't update any widget or status bar text if an
+        // error message is shown
+        return;
+    }
+

     m_progressBar->setValue(m_progress);
     m_progressBar->setValue(m_progress);

-    m_progressTimer->setSingleShot(true);
-    m_progressTimer->start(300);
+    if (!m_progressBar->isVisible() || (percent == 100)) {
+        QTimer::singleShot(300, this, SLOT(updateProgressInfo()));
+    }

 
 

+    const QString& defaultText = m_messageLabel->defaultText();

     const QString msg(m_messageLabel->text());
     const QString msg(m_messageLabel->text());

-    if (msg.isEmpty() || (msg == m_defaultText)) {
-        if (percent == 0) {
-            m_messageLabel->setText(QString::null);
-            m_messageLabel->setType(Default);
-        }
-        else if (percent == 100) {
-            m_messageLabel->setText(m_defaultText);
-        }
+    if ((percent == 0) && !msg.isEmpty()) {
+        setMessage(QString(), Default);
+    } else if ((percent == 100) && (msg != defaultText)) {
+        setMessage(defaultText, Default);

     }
 }
 
 void DolphinStatusBar::clear()
 {
     }
 }
 
 void DolphinStatusBar::clear()
 {

-    // TODO: check for timeout, so that it's prevented that
-    // a message is cleared too early.
-    m_messageLabel->setText(m_defaultText);
-    m_messageLabel->setType(Default);
+    setMessage(m_messageLabel->defaultText(), Default);

 }
 
 void DolphinStatusBar::setDefaultText(const QString& text)
 {
 }
 
 void DolphinStatusBar::setDefaultText(const QString& text)
 {

-    m_defaultText = text;
+    m_messageLabel->setDefaultText(text);
+}
+
+const QString& DolphinStatusBar::defaultText() const
+{
+    return m_messageLabel->defaultText();
+}
+
+void DolphinStatusBar::refresh()
+{
+    setExtensionsVisible(true);
+    assureVisibleText();

 }
 
 }
 

-void DolphinStatusBar::slotProgressTimer()
+void DolphinStatusBar::resizeEvent(QResizeEvent* event)

 {
 {

+    QWidget::resizeEvent(event);
+    QMetaObject::invokeMethod(this, "assureVisibleText", Qt::QueuedConnection);
+}
+
+void DolphinStatusBar::updateProgressInfo()
+{
+    const bool isErrorShown = (m_messageLabel->type() == Error);

     if (m_progress < 100) {
     if (m_progress < 100) {

-        // progress should be shown
-        m_progressBar->show();
-        m_progressText->show();
-        m_spaceInfo->hide();
-    }
-    else {
-        // progress should not be shown anymore
-        m_progressBar->hide();
+        // show the progress information and hide the extensions
+        setExtensionsVisible(false);
+        if (!isErrorShown) {
+            m_progressText->show();
+            m_progressBar->show();
+        }
+    } else {
+        // hide the progress information and show the extensions

         m_progressText->hide();
         m_progressText->hide();

-        m_spaceInfo->show();
+        m_progressBar->hide();
+        assureVisibleText();

     }
 }
 
     }
 }
 

-void DolphinStatusBar::slotUrlChanged(const KUrl& url)
+void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)

 {
     m_spaceInfo->setUrl(url);
 {
     m_spaceInfo->setUrl(url);

+    assureVisibleText();
+}
+
+void DolphinStatusBar::setZoomLevel(int zoomLevel)
+{
+    m_zoomOut->setEnabled(zoomLevel > m_zoomSlider->minimum());
+    m_zoomIn->setEnabled(zoomLevel < m_zoomSlider->maximum());
+    m_view->setZoomLevel(zoomLevel);
+    updateZoomSliderToolTip(zoomLevel);
+}
+
+void DolphinStatusBar::assureVisibleText()
+{
+    const int widthGap = m_messageLabel->widthGap();
+    if (m_spaceInfo->isVisible() || m_zoomWidget->isVisible()) {
+        // At least the space information or the zoom slider is shown.
+        // Hide them if the status bar text does not fit into the available width.
+        if (widthGap > 0) {
+            setExtensionsVisible(false);
+        }
+    } else if (!m_progressBar->isVisible()) {
+        const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
+        const int spaceInfoWidth  = settings->showSpaceInfo()  ? m_spaceInfo->minimumWidth()  : 0;
+        const int zoomWidgetWidth = settings->showZoomSlider() ? m_zoomWidget->minimumWidth() : 0;
+        const int widgetsWidth = spaceInfoWidth + zoomWidgetWidth;
+
+        if (widthGap + widgetsWidth <= 0) {
+            setExtensionsVisible(true);
+        }
+    }
+}
+
+void DolphinStatusBar::zoomOut()
+{
+    const int value = m_zoomSlider->value();
+    m_zoomSlider->setValue(value - 1);
+}
+
+void DolphinStatusBar::zoomIn()
+{
+    const int value = m_zoomSlider->value();
+    m_zoomSlider->setValue(value + 1);
+}
+
+void DolphinStatusBar::showZoomSliderToolTip(int zoomLevel)
+{
+    updateZoomSliderToolTip(zoomLevel);
+
+    QPoint global = m_zoomSlider->rect().topLeft();
+    global.ry() += m_zoomSlider->height() / 2;
+    QHelpEvent toolTipEvent(QEvent::ToolTip, QPoint(0, 0), m_zoomSlider->mapToGlobal(global));
+    QApplication::sendEvent(m_zoomSlider, &toolTipEvent);
+}
+
+void DolphinStatusBar::setExtensionsVisible(bool visible)
+{
+    bool spaceInfoVisible = visible;
+    bool zoomSliderVisible = visible;
+    if (visible) {
+        const GeneralSettings* settings = DolphinSettings::instance().generalSettings();
+        spaceInfoVisible = settings->showSpaceInfo();
+        zoomSliderVisible = settings->showZoomSlider();
+    }
+
+    m_spaceInfo->setVisible(spaceInfoVisible);
+    m_zoomWidget->setVisible(zoomSliderVisible);
+}
+
+void DolphinStatusBar::updateZoomSliderToolTip(int zoomLevel)
+{
+    const int size = ZoomLevelInfo::iconSizeForZoomLevel(zoomLevel);
+    m_zoomSlider->setToolTip(i18ncp("@info:tooltip", "Size: 1 pixel", "Size: %1 pixels", size));

 }
 
 #include "dolphinstatusbar.moc"
 }
 
 #include "dolphinstatusbar.moc"