#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 <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_timer(0),
m_previewTimer(0),
m_waitOnPreviewTimer(0),
+ m_fileMetaDataToolTip(0),
m_item(),
m_itemRect(),
- m_preview(false),
m_generatingPreview(false),
- m_previewIsLate(false),
- m_previewPass(0),
- m_emptyRenderedKToolTipItem(0),
- m_pix()
+ m_hasDefaultIcon(false),
+ m_previewPixmap()
{
- KToolTip::setToolTipDelegate(g_delegate);
-
m_dolphinModel = static_cast<DolphinModel*>(m_proxyModel->sourceModel());
connect(parent, SIGNAL(entered(const QModelIndex&)),
this, SLOT(requestToolTip(const QModelIndex&)));
this, SLOT(hideTip()));
m_view->viewport()->installEventFilter(this);
+ m_view->installEventFilter(this);
+
+ 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 KMetaDataWidget at this stage does
+ // not work.
+ }
+ m_fileMetaDataToolTip = sharedToolTip;
}
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
+ // 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();
+ hideToolTip();
m_itemRect = m_view->visualRect(index);
const QPoint pos = m_view->viewport()->mapToGlobal(m_itemRect.topLeft());
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
+ // 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);
- m_preview = false;
- m_previewIsLate = false;
- m_previewPass = 0;
+ m_previewPixmap = QPixmap();
+ m_hasDefaultIcon = false;
m_timer->start(500);
} else {
m_timer->stop();
m_previewTimer->stop();
m_waitOnPreviewTimer->stop();
- m_previewIsLate = false;
- KToolTip::hideTip();
+
+ m_fileMetaDataToolTip->hide();
+ m_fileMetaDataToolTip->setItems(KFileItemList());
}
void ToolTipManager::prepareToolTip()
{
if (m_generatingPreview) {
- if (m_previewPass == 1) {
- // We waited 250msec and the preview is still not finished,
- // so show the toolTip with a transparent image of maximal width.
- // When the preview finishes, m_previewIsLate will cause
- // a direct update of the tooltip, via m_emptyRenderedKToolTipItem.
- QPixmap paddedImage(QSize(PREVIEW_WIDTH, 32));
- m_previewIsLate = true;
- paddedImage.fill(Qt::transparent);
- KToolTipItem* toolTip = new KToolTipItem(paddedImage, m_item.getToolTipText());
- m_emptyRenderedKToolTipItem = toolTip; // make toolTip accessible everywhere
- showToolTip(toolTip);
- }
-
- ++m_previewPass;
m_waitOnPreviewTimer->start(250);
- } else {
- // The preview generation has finished, find out under which circumstances.
- if (m_preview && m_previewIsLate) {
- // We got a preview, but it is late, the tooltip has already been shown.
- // So update the tooltip directly.
- if (m_emptyRenderedKToolTipItem != 0) {
- m_emptyRenderedKToolTipItem->setData(Qt::DecorationRole, KIcon(m_pix));
- }
- return;
- }
+ }
- KIcon icon;
- if (m_preview) {
- // We got a preview.
- icon = KIcon(m_pix);
- } else {
- // No preview, so use an icon.
- // Force a 128x128 icon, a 256x256 one is far too big.
- icon = KIcon(KIcon(m_item.iconName()).pixmap(ICON_WIDTH, ICON_HEIGHT));
- }
+ if (!m_previewPixmap.isNull()) {
+ showToolTip(m_previewPixmap);
+ } else if (!m_hasDefaultIcon) {
+ const QPixmap image(KIcon(m_item.iconName()).pixmap(128, 128));
+ showToolTip(image);
+ m_hasDefaultIcon = true;
+ }
+}
- KToolTipItem* toolTip = new KToolTipItem(icon, m_item.getToolTipText());
- showToolTip(toolTip);
+void ToolTipManager::startPreviewJob()
+{
+ m_generatingPreview = true;
+ KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << m_item, 256, 256);
+
+ connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
+ this, SLOT(setPreviewPix(const KFileItem&, const QPixmap&)));
+ connect(job, SIGNAL(failed(const KFileItem&)),
+ this, SLOT(previewFailed()));
+}
+
+
+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::showToolTip(KToolTipItem* tip)
+void ToolTipManager::previewFailed()
+{
+ m_generatingPreview = false;
+}
+
+
+void ToolTipManager::showToolTip(const QPixmap& pixmap)
{
if (QApplication::mouseButtons() & Qt::LeftButton) {
- delete tip;
- tip = 0;
- // m_emptyRenderedKToolTipItem is an alias for tip.
- m_emptyRenderedKToolTipItem = 0;
return;
}
- 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);
-
- QSize size;
- if (m_previewIsLate) {
- QPixmap paddedImage(QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT));
- KToolTipItem maxiTip(paddedImage, m_item.getToolTipText());
- size = g_delegate->sizeHint(option, maxiTip);
- }
- else if (tip != 0) {
- size = g_delegate->sizeHint(option, *tip);
- }
+ m_fileMetaDataToolTip->setPreview(pixmap);
+ m_fileMetaDataToolTip->setName(m_item.text());
+ m_fileMetaDataToolTip->setItems(KFileItemList() << m_item);
+
+ // Calculate the x- and y-position of the tooltip
+ const QSize size = m_fileMetaDataToolTip->sizeHint();
const QRect desktop = QApplication::desktop()->screenGeometry(m_itemRect.bottomRight());
// m_itemRect defines the area of the item, where the tooltip should be
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;
}
+ // The size hint provided by the tooltip is not necessarily equal to the
+ // real size of the tooltip after showing it. As long as the tooltip is aligned
+ // on the upper-left edge, this is no problem. If the tooltip is aligned at
+ // another edge, the real size must be respected and the position
+ // corrected. Whether a correction must be done, is indicated by the variables
+ // updateWidth and updateHeight:
+ bool updateWidth = false;
+ bool updateHeight = false;
+
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();
+ } else {
+ y = m_itemRect.top() - size.height();
+ updateHeight = true;
+ }
} else {
Q_ASSERT(hasRoomToLeft || hasRoomToRight);
- x = hasRoomToRight ? m_itemRect.right() : m_itemRect.left() - size.width();
+ if (hasRoomToRight) {
+ x = m_itemRect.right();
+ } else {
+ x = m_itemRect.left() - size.width();
+ updateWidth = true;
+ }
// 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();
+ updateHeight = true;
}
- 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(const KFileItem&)));
-}
-
-
-void ToolTipManager::setPreviewPix(const KFileItem& item,
- const QPixmap& pixmap)
-{
- if (m_item.url() != item.url()) {
- m_generatingPreview = false;
- return;
- }
-
- if (m_previewIsLate) {
- // always use the maximal width
- QPixmap paddedImage(QSize(PREVIEW_WIDTH, pixmap.height()));
- paddedImage.fill(Qt::transparent);
- QPainter painter(&paddedImage);
- painter.drawPixmap((PREVIEW_WIDTH - pixmap.width()) / 2, 0, pixmap);
- m_pix = paddedImage;
+ if (!updateWidth && !updateHeight) {
+ // Default case: There is enough room below and right of the mouse
+ // pointer and the tooltip can be positioned there.
+ m_fileMetaDataToolTip->move(x, y);
+ m_fileMetaDataToolTip->show();
} else {
- m_pix = pixmap;
+ // There is not enough room to show the tooltip at the default position and
+ // it must be moved left or upwards. In this case the size hint of the
+ // tooltip is not sufficient and the real size must be respected.
+ // To prevent a flickering, the tooltip is first opened outside the visible
+ // desktop area and moved afterwards.
+ m_fileMetaDataToolTip->move(desktop.right() + 1, desktop.bottom() + 1);
+ m_fileMetaDataToolTip->show();
+
+ const QSize shownSize = m_fileMetaDataToolTip->size();
+ const int xDiff = updateWidth ? shownSize.width() - size.width() : 0;
+ const int yDiff = updateHeight ? shownSize.height() - size.height() : 0;
+ m_fileMetaDataToolTip->move(x - xDiff, y - yDiff);
}
- m_preview = true;
- m_generatingPreview = false;
-}
-
-void ToolTipManager::previewFailed(const KFileItem& item)
-{
- Q_UNUSED(item);
- m_generatingPreview = false;
}
#include "tooltipmanager.moc"
projects / dolphin.git / blobdiff