mirror of
https://invent.kde.org/system/dolphin
synced 2024-10-28 03:21:56 +00:00
assure that the tooltip never exceeds the desktop area
BUG: 161895 svn path=/trunk/KDE/kdebase/apps/; revision=824927
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parent
5be4abc3a8
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71634554cf
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@ -26,7 +26,10 @@
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#include <kicon.h>
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#include <ktooltip.h>
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#include <QApplication>
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#include <QDesktopWidget>
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#include <QTimer>
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#include <QToolTip>
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K_GLOBAL_STATIC(KFormattedBalloonTipDelegate, g_delegate)
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@ -38,7 +41,7 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent,
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m_proxyModel(model),
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m_timer(0),
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m_item(),
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m_pos()
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m_itemRect()
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{
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KToolTip::setToolTipDelegate(g_delegate);
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@ -79,8 +82,9 @@ void ToolTipManager::requestToolTip(const QModelIndex& index)
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if (index.column() == DolphinModel::Name) {
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KToolTip::hideTip();
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const QRect rect = m_view->visualRect(index);
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m_pos = m_view->viewport()->mapToGlobal(rect.bottomRight());
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m_itemRect = m_view->visualRect(index);
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const QPoint pos = m_view->viewport()->mapToGlobal(m_itemRect.topLeft());
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m_itemRect.moveTo(pos);
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const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
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m_item = m_dolphinModel->itemForIndex(dirIndex);
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@ -100,7 +104,41 @@ void ToolTipManager::hideToolTip()
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void ToolTipManager::showToolTip()
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{
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KToolTipItem* tip = new KToolTipItem(KIcon(m_item.iconName()), m_item.getToolTipText());
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KToolTip::showTip(m_pos, tip);
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KStyleOptionToolTip option;
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// TODO: get option content from KToolTip or add KToolTip::sizeHint() method
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option.direction = QApplication::layoutDirection();
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option.fontMetrics = QFontMetrics(QToolTip::font());
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option.activeCorner = KStyleOptionToolTip::TopLeftCorner;
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option.palette = QToolTip::palette();
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option.font = QToolTip::font();
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option.rect = QRect();
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option.state = QStyle::State_None;
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option.decorationSize = QSize(32, 32);
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const QSize size = g_delegate->sizeHint(&option, tip);
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const QRect desktop = QApplication::desktop()->availableGeometry();
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// m_itemRect defines the area of the item, where the tooltip should be
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// shown. Per default the tooltip is shown in the bottom right corner.
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// If the tooltip content exceeds the desktop borders, it must be assured that:
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// - the content is fully visible
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// - the content is not drawn inside m_itemRect
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int x = m_itemRect.right();
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int y = m_itemRect.bottom();
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const int xDiff = x + size.width() - desktop.width();
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const int yDiff = y + size.height() - desktop.height();
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if ((xDiff > 0) && (yDiff > 0)) {
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x = m_itemRect.left() - size.width();
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y = m_itemRect.top() - size.height();
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} else if (xDiff > 0) {
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x -= xDiff;
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} else if (yDiff > 0) {
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y -= yDiff;
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}
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KToolTip::showTip(QPoint(x, y), tip);
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}
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#include "tooltipmanager.moc"
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@ -21,7 +21,7 @@
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#define TOOLTIPMANAGER_H
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#include <QObject>
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#include <QPoint>
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#include <QRect>
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#include <kfileitem.h>
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@ -69,7 +69,7 @@ private:
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QTimer* m_timer;
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KFileItem m_item;
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QPoint m_pos;
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QRect m_itemRect;
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};
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#endif
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