#include "tooltipmanager.h"
-#include "dolphintooltip.h"
#include "dolphinmodel.h"
#include "dolphinsortfilterproxymodel.h"
+#include "filemetadatatooltip.h"
#include <kicon.h>
-#include <tooltips/ktooltip.h>
#include <kio/previewjob.h>
+#include <kwindowsystem.h>
#include <QApplication>
#include <QDesktopWidget>
+#include <QScrollArea>
#include <QScrollBar>
#include <QTimer>
-#include <QToolTip>
-
-const int ICON_WIDTH = 128;
-const int ICON_HEIGHT = 128;
-const int PREVIEW_DELAY = 250;
-
-K_GLOBAL_STATIC(DolphinBalloonTooltipDelegate, g_delegate)
ToolTipManager::ToolTipManager(QAbstractItemView* parent,
DolphinSortFilterProxyModel* model) :
m_view(parent),
m_dolphinModel(0),
m_proxyModel(model),
- m_timer(0),
- m_previewTimer(0),
+ m_prepareToolTipTimer(0),
+ m_startPreviewJobTimer(0),
m_waitOnPreviewTimer(0),
+ m_showToolTipDelayedTimer(0),
+ m_fileMetaDataToolTip(0),
m_item(),
m_itemRect(),
m_generatingPreview(false),
m_hasDefaultIcon(false),
m_previewPixmap()
{
- KToolTip::setToolTipDelegate(g_delegate);
-
+ static FileMetaDataToolTip* sharedToolTip = 0;
+ if (sharedToolTip == 0) {
+ sharedToolTip = new FileMetaDataToolTip();
+ // TODO: Using K_GLOBAL_STATIC would be preferable to maintain the
+ // instance, but the cleanup of KFileMetaDataWidget at this stage does
+ // not work.
+ }
+ m_fileMetaDataToolTip = sharedToolTip;
+
m_dolphinModel = static_cast<DolphinModel*>(m_proxyModel->sourceModel());
connect(parent, SIGNAL(entered(const QModelIndex&)),
this, SLOT(requestToolTip(const QModelIndex&)));
connect(parent, SIGNAL(viewportEntered()),
this, SLOT(hideToolTip()));
- m_timer = new QTimer(this);
- m_timer->setSingleShot(true);
- connect(m_timer, SIGNAL(timeout()),
- this, SLOT(prepareToolTip()));
-
- m_previewTimer = new QTimer(this);
- m_previewTimer->setSingleShot(true);
- connect(m_previewTimer, SIGNAL(timeout()),
- this, SLOT(startPreviewJob()));
-
+ // Initialize timers
+ m_prepareToolTipTimer = new QTimer(this);
+ m_prepareToolTipTimer->setSingleShot(true);
+ m_prepareToolTipTimer->setInterval(500);
+ connect(m_prepareToolTipTimer, SIGNAL(timeout()), this, SLOT(prepareToolTip()));
+
+ m_startPreviewJobTimer = new QTimer(this);
+ m_startPreviewJobTimer->setSingleShot(true);
+ m_startPreviewJobTimer->setInterval(200);
+ connect(m_startPreviewJobTimer, SIGNAL(timeout()), this, SLOT(startPreviewJob()));
+
m_waitOnPreviewTimer = new QTimer(this);
m_waitOnPreviewTimer->setSingleShot(true);
- connect(m_waitOnPreviewTimer, SIGNAL(timeout()),
- this, SLOT(prepareToolTip()));
-
+ m_waitOnPreviewTimer->setInterval(250);
+ connect(m_waitOnPreviewTimer, SIGNAL(timeout()), this, SLOT(prepareToolTip()));
+
+ m_showToolTipDelayedTimer = new QTimer(this);
+ m_showToolTipDelayedTimer->setSingleShot(true);
+ m_showToolTipDelayedTimer->setInterval(100);
+ connect(m_showToolTipDelayedTimer, SIGNAL(timeout()), this, SLOT(showToolTip()));
+
// When the mousewheel is used, the items don't get a hovered indication
// (Qt-issue #200665). To assure that the tooltip still gets hidden,
// the scrollbars are observed.
this, SLOT(hideTip()));
m_view->viewport()->installEventFilter(this);
+ m_view->installEventFilter(this);
}
ToolTipManager::~ToolTipManager()
bool ToolTipManager::eventFilter(QObject* watched, QEvent* event)
{
- if ((watched == m_view->viewport()) && (event->type() == QEvent::Leave)) {
+ if (watched == m_view->viewport()) {
+ switch (event->type()) {
+ case QEvent::Leave:
+ case QEvent::MouseButtonPress:
+ hideToolTip();
+ break;
+ default:
+ break;
+ }
+ } else if ((watched == m_view) && (event->type() == QEvent::KeyPress)) {
hideToolTip();
}
void ToolTipManager::requestToolTip(const QModelIndex& index)
{
- // only request a tooltip for the name column and when no selection or
+ hideToolTip();
+
+ // Only request a tooltip for the name column and when no selection or
// drag & drop operation is done (indicated by the left mouse button)
if ((index.column() == DolphinModel::Name) && !(QApplication::mouseButtons() & Qt::LeftButton)) {
- m_waitOnPreviewTimer->stop();
- KToolTip::hideTip();
-
m_itemRect = m_view->visualRect(index);
const QPoint pos = m_view->viewport()->mapToGlobal(m_itemRect.topLeft());
m_itemRect.moveTo(pos);
const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
m_item = m_dolphinModel->itemForIndex(dirIndex);
- // only start the previewJob when the mouse has been over this item for 200 milliseconds,
- // this prevents a lot of useless preview jobs when passing rapidly over a lot of items
- m_previewTimer->start(200);
+ // Only start the previewJob when the mouse has been over this item for 200 milliseconds.
+ // This prevents a lot of useless preview jobs when passing rapidly over a lot of items.
+ m_startPreviewJobTimer->start();
m_previewPixmap = QPixmap();
m_hasDefaultIcon = false;
- m_timer->start(500);
- } else {
- hideToolTip();
+ m_prepareToolTipTimer->start();
}
}
void ToolTipManager::hideToolTip()
{
- m_timer->stop();
- m_previewTimer->stop();
+ m_prepareToolTipTimer->stop();
+ m_startPreviewJobTimer->stop();
m_waitOnPreviewTimer->stop();
- KToolTip::hideTip();
+ m_showToolTipDelayedTimer->stop();
+
+ m_fileMetaDataToolTip->hide();
}
void ToolTipManager::prepareToolTip()
{
if (m_generatingPreview) {
- m_waitOnPreviewTimer->start(250);
+ m_waitOnPreviewTimer->start();
}
- const QString text = m_item.getToolTipText();
if (!m_previewPixmap.isNull()) {
- showToolTip(KIcon(m_previewPixmap), text);
+ showToolTipDelayed(m_previewPixmap);
} else if (!m_hasDefaultIcon) {
- const QPixmap image(KIcon(m_item.iconName()).pixmap(ICON_WIDTH, ICON_HEIGHT));
- showToolTip(image, text);
+ const QPixmap image(KIcon(m_item.iconName()).pixmap(128, 128));
+ showToolTipDelayed(image);
m_hasDefaultIcon = true;
}
}
-void ToolTipManager::showToolTip(const QIcon& icon, const QString& text)
+void ToolTipManager::startPreviewJob()
{
- if (QApplication::mouseButtons() & Qt::LeftButton) {
- return;
- }
+ m_generatingPreview = true;
+ KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, 256, 256);
- KToolTipItem* tip = new KToolTipItem(icon, text);
+ connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
+ this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&)));
+ connect(job, SIGNAL(failed(const KFileItem&)),
+ this, SLOT(previewFailed()));
+}
- KStyleOptionToolTip option;
- // TODO: get option content from KToolTip or add KToolTip::sizeHint() method
- option.direction = QApplication::layoutDirection();
- option.fontMetrics = QFontMetrics(QToolTip::font());
- option.activeCorner = KStyleOptionToolTip::TopLeftCorner;
- option.palette = QToolTip::palette();
- option.font = QToolTip::font();
- option.rect = QRect();
- option.state = QStyle::State_None;
- option.decorationSize = QSize(32, 32);
- const QSize size = g_delegate->sizeHint(option, *tip);
- const QRect desktop = QApplication::desktop()->screenGeometry(m_itemRect.bottomRight());
+void ToolTipManager::setPreviewPix(const KFileItem& item,
+ const QPixmap& pixmap)
+{
+ if ((m_item.url() != item.url()) || pixmap.isNull()) {
+ // An old preview or an invalid preview has been received
+ previewFailed();
+ } else {
+ m_previewPixmap = pixmap;
+ m_generatingPreview = false;
+ }
+}
+void ToolTipManager::previewFailed()
+{
+ m_generatingPreview = false;
+}
+
+void ToolTipManager::showToolTip()
+{
+ const QRect desktop = QApplication::desktop()->screenGeometry(m_itemRect.bottomRight());
+ const QSize size = m_fileMetaDataToolTip->sizeHint();
+
// m_itemRect defines the area of the item, where the tooltip should be
// shown. Per default the tooltip is shown in the bottom right corner.
// If the tooltip content exceeds the desktop borders, it must be assured that:
const bool hasRoomAbove = (m_itemRect.top() - size.height() >= desktop.top());
const bool hasRoomBelow = (m_itemRect.bottom() + size.height() <= desktop.bottom());
if (!hasRoomAbove && !hasRoomBelow && !hasRoomToLeft && !hasRoomToRight) {
- delete tip;
- tip = 0;
return;
}
-
+
int x = 0;
int y = 0;
if (hasRoomBelow || hasRoomAbove) {
if (x + size.width() >= desktop.right()) {
x = desktop.right() - size.width();
}
- y = hasRoomBelow ? m_itemRect.bottom() : m_itemRect.top() - size.height();
+ if (hasRoomBelow) {
+ y = m_itemRect.bottom() + 1;
+ } else {
+ y = m_itemRect.top() - size.height();
+ }
} else {
Q_ASSERT(hasRoomToLeft || hasRoomToRight);
- x = hasRoomToRight ? m_itemRect.right() : m_itemRect.left() - size.width();
+ if (hasRoomToRight) {
+ x = m_itemRect.right() + 1;
+ } else {
+ x = m_itemRect.left() - size.width();
+ }
// Put the tooltip at the bottom of the screen. The x-coordinate has already
// been adjusted, so that no overlapping with m_itemRect occurs.
y = desktop.bottom() - size.height();
}
-
- // the ownership of tip is transferred to KToolTip
- KToolTip::showTip(QPoint(x, y), tip);
-}
-
-
-
-void ToolTipManager::startPreviewJob()
-{
- m_generatingPreview = true;
- KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item,
- PREVIEW_WIDTH,
- PREVIEW_HEIGHT);
-
- connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
- this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&)));
- connect(job, SIGNAL(failed(const KFileItem&)),
- this, SLOT(previewFailed()));
+
+ m_fileMetaDataToolTip->move(qMax(x, 0), qMax(y, 0));
+ m_fileMetaDataToolTip->show();
}
-
-void ToolTipManager::setPreviewPix(const KFileItem& item,
- const QPixmap& pixmap)
+void ToolTipManager::showToolTipDelayed(const QPixmap& pixmap)
{
- if ((m_item.url() != item.url()) || pixmap.isNull()) {
- // an old preview or an invalid preview has been received
- previewFailed();
- } else {
- m_previewPixmap = pixmap;
- m_generatingPreview = false;
+ if (QApplication::mouseButtons() & Qt::LeftButton) {
+ return;
}
-}
-
-void ToolTipManager::previewFailed()
-{
- m_generatingPreview = false;
+
+ m_fileMetaDataToolTip->setPreview(pixmap);
+ m_fileMetaDataToolTip->setName(m_item.text());
+ m_fileMetaDataToolTip->setItems(KFileItemList() << m_item);
+
+ // Because one tooltip instance is reused, the size hint always depends on the previous
+ // content (QWidgets don't update their layout geometry if they are invisible). To
+ // assure having a consistent size without relayout flickering, the tooltip is opened
+ // on an invisible position first. This gives the layout system some time to asynchronously
+ // update the content. Sadly this only works with compositing enabled.
+ if (KWindowSystem::compositingActive()) {
+ const QRect desktop = QApplication::desktop()->screenGeometry(m_itemRect.bottomRight());
+ m_fileMetaDataToolTip->move(desktop.bottomRight());
+ m_fileMetaDataToolTip->show();
+ }
+
+ m_showToolTipDelayedTimer->start(); // Calls ToolTipManager::showToolTip()
}
#include "tooltipmanager.moc"