X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/5e73577d6c3520fa3dfd63646795e628cf2a0614..11e1ee53bbd5fcce304c491a3bb0b1641cdef4f2:/src/tooltips/tooltipmanager.cpp diff --git a/src/tooltips/tooltipmanager.cpp b/src/tooltips/tooltipmanager.cpp index 489c6c2b6..d8a9e190c 100644 --- a/src/tooltips/tooltipmanager.cpp +++ b/src/tooltips/tooltipmanager.cpp @@ -19,25 +19,24 @@ #include "tooltipmanager.h" -#include "dolphintooltip.h" #include "dolphinmodel.h" #include "dolphinsortfilterproxymodel.h" #include -#include #include +#include + +#include "panels/information/kmetadatawidget.h" +#include "tooltips/ktooltip.h" #include #include +#include +#include +#include #include #include -#include - -const int ICON_WIDTH = 128; -const int ICON_HEIGHT = 128; -const int PREVIEW_DELAY = 250; - -K_GLOBAL_STATIC(DolphinBalloonTooltipDelegate, g_delegate) +#include ToolTipManager::ToolTipManager(QAbstractItemView* parent, DolphinSortFilterProxyModel* model) : @@ -50,15 +49,10 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent, m_waitOnPreviewTimer(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(m_proxyModel->sourceModel()); connect(parent, SIGNAL(entered(const QModelIndex&)), this, SLOT(requestToolTip(const QModelIndex&))); @@ -89,6 +83,7 @@ ToolTipManager::ToolTipManager(QAbstractItemView* parent, this, SLOT(hideTip())); m_view->viewport()->installEventFilter(this); + m_view->installEventFilter(this); } ToolTipManager::~ToolTipManager() @@ -102,7 +97,16 @@ void ToolTipManager::hideTip() 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(); } @@ -127,9 +131,8 @@ void ToolTipManager::requestToolTip(const QModelIndex& index) // 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 { @@ -142,84 +145,64 @@ void ToolTipManager::hideToolTip() m_timer->stop(); m_previewTimer->stop(); m_waitOnPreviewTimer->stop(); - m_previewIsLate = false; KToolTip::hideTip(); } 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; + } +} + +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())); +} - KToolTipItem* toolTip = new KToolTipItem(icon, m_item.getToolTipText()); - showToolTip(toolTip); + +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); - } + QWidget* tip = createTipContent(pixmap); + + // calculate the x- and y-position of the tooltip + const QSize size = tip->sizeHint(); const QRect desktop = QApplication::desktop()->screenGeometry(m_itemRect.bottomRight()); // m_itemRect defines the area of the item, where the tooltip should be @@ -254,51 +237,54 @@ void ToolTipManager::showToolTip(KToolTipItem* tip) y = desktop.bottom() - size.height(); } + // the ownership of tip is transferred to KToolTip KToolTip::showTip(QPoint(x, y), tip); } - - -void ToolTipManager::startPreviewJob() +QWidget* ToolTipManager::createTipContent(const QPixmap& pixmap) const { - 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; - } else { - m_pix = pixmap; - } - m_preview = true; - m_generatingPreview = false; -} - -void ToolTipManager::previewFailed(const KFileItem& item) -{ - Q_UNUSED(item); - m_generatingPreview = false; + QWidget* tipContent = new QWidget(); + + // add pixmap + QLabel* pixmapLabel = new QLabel(tipContent); + pixmapLabel->setPixmap(pixmap); + pixmapLabel->setFixedSize(pixmap.size()); + + // add item name + QLabel* nameLabel = new QLabel(tipContent); + nameLabel->setText(m_item.text()); + nameLabel->setWordWrap(true); + QFont font = nameLabel->font(); + font.setBold(true); + nameLabel->setFont(font); + nameLabel->setAlignment(Qt::AlignHCenter); + nameLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); + + // add meta data + KMetaDataWidget* metaDataWidget = new KMetaDataWidget(tipContent); + metaDataWidget->setForegroundRole(QPalette::ToolTipText); + metaDataWidget->setItem(m_item); + metaDataWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); + metaDataWidget->setReadOnly(true); + + // the stretchwidget allows the metadata widget to be top aligned and fills + // the remaining vertical space + QWidget* stretchWidget = new QWidget(tipContent); + stretchWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding); + + QWidget* textContainer = new QWidget(tipContent); + QVBoxLayout* textLayout = new QVBoxLayout(textContainer); + textLayout->addWidget(nameLabel); + textLayout->addWidget(new KSeparator()); + textLayout->addWidget(metaDataWidget); + textLayout->addWidget(stretchWidget); + + QHBoxLayout* tipLayout = new QHBoxLayout(tipContent); + tipLayout->setMargin(0); + tipLayout->addWidget(pixmapLabel); + tipLayout->addWidget(textContainer); + + return tipContent; } #include "tooltipmanager.moc"