Coding style update for pointer comparison

Most developers seem to prefer
  if (ptr) ...
  if (!ptr) ...
in comparison to
  if (ptr != 0) ...
  if (ptr == 0) ...

Adjusted the Dolphin-code to use the "most-prefered style" to make contributors happy.

3 files changed, 12 insertions, 12 deletions

diff --git a/src/panels/information/informationpanel.cpp b/src/panels/information/informationpanel.cpp
index f1530c72c..9bfb711c6 100644
--- a/src/panels/information/informationpanel.cpp
+++ b/src/panels/information/informationpanel.cpp
@@ -52,7 +52,7 @@ void InformationPanel::setSelection(const KFileItemList& selection)
         return;
     }
 
-    if ((selection.count() == 0) && (m_selection.count() == 0)) {
+    if (selection.isEmpty() && m_selection.isEmpty()) {
         // The selection has not really changed, only the current index.
         // QItemSelectionModel emits a signal in this case and it is less
         // expensive doing the check this way instead of patching
diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp
index b820be0a0..08121e78a 100644
--- a/src/panels/information/informationpanelcontent.cpp
+++ b/src/panels/information/informationpanelcontent.cpp
@@ -192,7 +192,7 @@ void InformationPanelContent::showItem(const KFileItem& item)
         }
     }
 
-    if (m_metaDataWidget != 0) {
+    if (m_metaDataWidget) {
         m_metaDataWidget->show();
         m_metaDataWidget->setItems(KFileItemList() << item);
     }
@@ -234,7 +234,7 @@ void InformationPanelContent::showItems(const KFileItemList& items)
     m_preview->setPixmap(icon);
     setNameLabelText(i18ncp("@info", "%1 item selected", "%1 items selected", items.count()));
 
-    if (m_metaDataWidget != 0) {
+    if (m_metaDataWidget) {
         m_metaDataWidget->setItems(items);
     }
 
@@ -289,7 +289,7 @@ void InformationPanelContent::configureSettings(const QList<QAction*>& customCon
     // Open the popup and adjust the settings for the
     // selected action.
     QAction* action = popup.exec(QCursor::pos());
-    if (action == 0) {
+    if (!action) {
         return;
     }
 
@@ -418,7 +418,7 @@ void InformationPanelContent::adjustWidgetSizes(int width)
 
     // The metadata widget also contains a text widget which may return
     // a large preferred width.
-    if (m_metaDataWidget != 0) {
+    if (m_metaDataWidget) {
         m_metaDataWidget->setMaximumWidth(maxWidth);
     }
 
diff --git a/src/panels/information/phononwidget.cpp b/src/panels/information/phononwidget.cpp
index b6da339ea..5accf4d87 100644
--- a/src/panels/information/phononwidget.cpp
+++ b/src/panels/information/phononwidget.cpp
@@ -118,7 +118,7 @@ void PhononWidget::showEvent(QShowEvent *event)
         return;
     }
 
-    if (m_topLayout == 0) {
+    if (!m_topLayout) {
         m_topLayout = new QVBoxLayout(this);
         m_topLayout->setMargin(0);
         m_topLayout->setSpacing(KDialog::spacingHint());
@@ -185,7 +185,7 @@ void PhononWidget::play()
 {
     switch (m_mode) {
     case Audio:
-        if (m_audioMedia == 0) {
+        if (!m_audioMedia) {
             m_audioMedia = Phonon::createPlayer(Phonon::MusicCategory, m_url);
             m_audioMedia->setParent(this);
         }
@@ -195,7 +195,7 @@ void PhononWidget::play()
         break;
 
     case Video:
-        if (m_videoPlayer == 0) {
+        if (!m_videoPlayer) {
             m_videoPlayer = new EmbeddedVideoPlayer(Phonon::VideoCategory, this);
             m_topLayout->insertWidget(0, m_videoPlayer);
         }
@@ -209,7 +209,7 @@ void PhononWidget::play()
         break;
     }
 
-    Q_ASSERT(m_media != 0);
+    Q_ASSERT(m_media);
     connect(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
             this, SLOT(stateChanged(Phonon::State)));
     m_seekSlider->setMediaObject(m_media);
@@ -219,7 +219,7 @@ void PhononWidget::play()
 
 void PhononWidget::stop()
 {
-    if (m_media != 0) {
+    if (m_media) {
         m_media->stop();
         disconnect(m_media, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
                    this, SLOT(stateChanged(Phonon::State)));
@@ -229,14 +229,14 @@ void PhononWidget::stop()
         m_playButton->show();
     }
 
-    if (m_videoPlayer != 0) {
+    if (m_videoPlayer) {
         m_videoPlayer->hide();
     }
 }
 
 void PhononWidget::applyVideoSize()
 {
-    if ((m_videoPlayer != 0) && m_videoSize.isValid()) {
+    if ((m_videoPlayer) && m_videoSize.isValid()) {
         m_videoPlayer->setSizeHint(m_videoSize);
     }
 }