***************************************************************************/
#include "informationpanel.h"
+
+#include "informationpanelcontent.h"
+#include <KIO/Job>
#include <kdirnotify.h>
+#include <QApplication>
#include <QShowEvent>
#include <QVBoxLayout>
-#include "informationpanelcontent.h"
InformationPanel::InformationPanel(QWidget* parent) :
Panel(parent),
m_invalidUrlCandidate(),
m_fileItem(),
m_selection(),
+ m_folderStatJob(0),
m_content(0)
{
}
{
}
-QSize InformationPanel::sizeHint() const
-{
- QSize size = Panel::sizeHint();
- size.setWidth(minimumSizeHint().width());
- return size;
-}
-
-void InformationPanel::setUrl(const KUrl& url)
-{
- Panel::setUrl(url);
- if (url.isValid() && !isEqualToShownUrl(url)) {
- if (isVisible()) {
- cancelRequest();
- m_shownUrl = url;
- // Update the content with a delay. This gives
- // the directory lister the chance to show the content
- // before expensive operations are done to show
- // meta information.
- m_urlChangedTimer->start();
- } else {
- m_shownUrl = url;
- }
- }
-}
-
void InformationPanel::setSelection(const KFileItemList& selection)
{
if (!isVisible()) {
void InformationPanel::requestDelayedItemInfo(const KFileItem& item)
{
- if (!isVisible()) {
+ if (!isVisible() || (item.isNull() && m_fileItem.isNull())) {
+ return;
+ }
+
+ if (QApplication::mouseButtons() & Qt::LeftButton) {
+ // Ignore the request of an item information when a rubberband
+ // selection is ongoing.
return;
}
cancelRequest();
- m_fileItem = KFileItem();
if (item.isNull()) {
// The cursor is above the viewport. If files are selected,
// show information regarding the selection.
if (m_selection.size() > 0) {
+ m_fileItem = KFileItem();
m_infoTimer->start();
}
- } else {
- const KUrl url = item.url();
- if (url.isValid() && !isEqualToShownUrl(url)) {
- m_urlCandidate = item.url();
- m_fileItem = item;
- m_infoTimer->start();
- }
+ } else if (item.url().isValid() && !isEqualToShownUrl(item.url())) {
+ // The cursor is above an item that is not shown currently
+ m_urlCandidate = item.url();
+ m_fileItem = item;
+ m_infoTimer->start();
+ }
+}
+
+bool InformationPanel::urlChanged()
+{
+ if (!url().isValid()) {
+ return false;
}
+
+ if (!isVisible()) {
+ return true;
+ }
+
+ cancelRequest();
+ m_selection.clear();
+
+ if (!isEqualToShownUrl(url())) {
+ m_shownUrl = url();
+ m_fileItem = KFileItem();
+
+ // Update the content with a delay. This gives
+ // the directory lister the chance to show the content
+ // before expensive operations are done to show
+ // meta information.
+ m_urlChangedTimer->start();
+ }
+
+ return true;
}
void InformationPanel::showEvent(QShowEvent* event)
// Information Panel
init();
}
+
+ m_shownUrl = url();
showItemInfo();
}
}
void InformationPanel::contextMenuEvent(QContextMenuEvent* event)
{
- m_content->configureSettings();
+ // TODO: Move code from InformationPanelContent::configureSettings() here
+ m_content->configureSettings(customContextMenuActions());
Panel::contextMenuEvent(event);
}
cancelRequest();
- if (showMultipleSelectionInfo()) {
+ if (m_fileItem.isNull() && (m_selection.count() > 1)) {
+ // The information for a selection of items should be shown
m_content->showItems(m_selection);
- m_shownUrl = KUrl();
} else {
+ // The information for exactly one item should be shown
KFileItem item;
if (!m_fileItem.isNull()) {
item = m_fileItem;
} else if (!m_selection.isEmpty()) {
Q_ASSERT(m_selection.count() == 1);
item = m_selection.first();
- } else {
- // no item is hovered and no selection has been done: provide
- // an item for the directory represented by m_shownUrl
- item = KFileItem(KFileItem::Unknown, KFileItem::Unknown, m_shownUrl);
- item.refresh();
}
- m_content->showItem(item);
+ if (item.isNull()) {
+ // No item is hovered and no selection has been done: provide
+ // an item for the currently shown directory.
+ m_folderStatJob = KIO::stat(url(), KIO::HideProgressInfo);
+ connect(m_folderStatJob, SIGNAL(result(KJob*)),
+ this, SLOT(slotFolderStatFinished(KJob*)));
+ } else {
+ m_content->showItem(item);
+ }
}
}
+void InformationPanel::slotFolderStatFinished(KJob* job)
+{
+ m_folderStatJob = 0;
+ const KIO::UDSEntry entry = static_cast<KIO::StatJob*>(job)->statResult();
+ m_content->showItem(KFileItem(entry, m_shownUrl));
+}
+
void InformationPanel::slotInfoTimeout()
{
m_shownUrl = m_urlCandidate;
+ m_urlCandidate.clear();
showItemInfo();
}
void InformationPanel::cancelRequest()
{
+ delete m_folderStatJob;
+ m_folderStatJob = 0;
+
m_infoTimer->stop();
-}
+ m_resetUrlTimer->stop();
+ // Don't reset m_urlChangedTimer. As it is assured that the timeout of m_urlChangedTimer
+ // has the smallest interval (see init()), it is not possible that the exceeded timer
+ // would overwrite an information provided by a selection or hovering.
-bool InformationPanel::showMultipleSelectionInfo() const
-{
- return m_fileItem.isNull() && (m_selection.count() > 1);
+ m_invalidUrlCandidate.clear();
+ m_urlCandidate.clear();
}
bool InformationPanel::isEqualToShownUrl(const KUrl& url) const
void InformationPanel::init()
{
- const int defaultDelay = 300;
-
m_infoTimer = new QTimer(this);
- m_infoTimer->setInterval(defaultDelay);
+ m_infoTimer->setInterval(300);
m_infoTimer->setSingleShot(true);
connect(m_infoTimer, SIGNAL(timeout()),
this, SLOT(slotInfoTimeout()));
m_urlChangedTimer = new QTimer(this);
- m_urlChangedTimer->setInterval(defaultDelay);
+ m_urlChangedTimer->setInterval(200);
m_urlChangedTimer->setSingleShot(true);
connect(m_urlChangedTimer, SIGNAL(timeout()),
this, SLOT(showItemInfo()));
m_resetUrlTimer = new QTimer(this);
- m_resetUrlTimer->setInterval(defaultDelay * 3);
+ m_resetUrlTimer->setInterval(1000);
m_resetUrlTimer->setSingleShot(true);
connect(m_resetUrlTimer, SIGNAL(timeout()),
this, SLOT(reset()));
+ Q_ASSERT(m_urlChangedTimer->interval() < m_infoTimer->interval());
+ Q_ASSERT(m_urlChangedTimer->interval() < m_resetUrlTimer->interval());
+
org::kde::KDirNotify* dirNotify = new org::kde::KDirNotify(QString(), QString(),
QDBusConnection::sessionBus(), this);
connect(dirNotify, SIGNAL(FileRenamed(QString, QString)), SLOT(slotFileRenamed(QString, QString)));
m_content = new InformationPanelContent(this);
connect(m_content, SIGNAL(urlActivated(KUrl)), this, SIGNAL(urlActivated(KUrl)));
-
+
QVBoxLayout* layout = new QVBoxLayout(this);
layout->addWidget(m_content);
projects / dolphin.git / blobdiff