#include <kiconeffect.h>
#include <kio/previewjob.h>
-#include <kdebug.h>
#include <kdirlister.h>
#include <konqmimedata.h>
#include <QAbstractItemView>
#include <QClipboard>
#include <QColor>
+#include <QPainter>
#include <QIcon>
IconManager::IconManager(QAbstractItemView* parent, DolphinSortFilterProxyModel* model) :
IconManager::~IconManager()
{
- foreach (KJob* job, m_previewJobs) {
- Q_ASSERT(job != 0);
- job->kill();
- }
- m_previewJobs.clear();
+ killJobs();
}
m_showPreview = show;
m_cutItemsCache.clear();
updateCutItems();
+ if (show) {
+ updatePreviews();
+ }
}
}
-void IconManager::updateIcons(const KFileItemList& items)
+void IconManager::updatePreviews()
{
- // make the icons of all hidden files semitransparent
- foreach (KFileItem item, items) {
- if (item.isHidden()) {
- applyHiddenItemEffect(item);
- }
- }
-
if (!m_showPreview) {
return;
}
- // generate previews
- const QRect visibleArea = m_view->viewport()->rect();
+ killJobs();
+ KFileItemList itemList;
- // Order the items in a way that the preview for the visible items
- // is generated first, as this improves the feeled performance a lot.
- KFileItemList orderedItems;
- foreach (KFileItem item, items) {
- const QModelIndex dirIndex = m_dolphinModel->indexForItem(item);
- const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
- const QRect itemRect = m_view->visualRect(proxyIndex);
- if (itemRect.intersects(visibleArea)) {
- orderedItems.insert(0, item);
- } else {
- orderedItems.append(item);
- }
+ const int rowCount = m_dolphinModel->rowCount();
+ for (int row = 0; row < rowCount; ++row) {
+ const QModelIndex index = m_dolphinModel->index(row, 0);
+ KFileItem item = m_dolphinModel->itemForIndex(index);
+ itemList.append(item);
}
- const QSize size = m_view->iconSize();
- KIO::PreviewJob* job = KIO::filePreview(orderedItems, size.width(), size.height());
- connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
- this, SLOT(replaceIcon(const KFileItem&, const QPixmap&)));
- connect(job, SIGNAL(finished(KJob*)),
- this, SLOT(slotPreviewJobFinished(KJob*)));
+ generatePreviews(itemList);
+}
- m_previewJobs.append(job);
+void IconManager::updateIcons(const KFileItemList& items)
+{
+ if (m_showPreview) {
+ generatePreviews(items);
+ }
}
void IconManager::replaceIcon(const KFileItem& item, const QPixmap& pixmap)
{
Q_ASSERT(!item.isNull());
+ if (!m_showPreview) {
+ // the preview has been canceled in the meantime
+ return;
+ }
+
+ // check whether the item is part of the directory lister (it is possible
+ // that a preview from an old directory lister is received)
KDirLister* dirLister = m_dolphinModel->dirLister();
- if (!m_showPreview || (item.url().directory() != dirLister->url().path())) {
- // the preview has been canceled in the meanwhile or the preview
- // job is still working on items of an older URL, hence
- // the item is not part of the directory model anymore
+ bool isOldPreview = true;
+ const KUrl::List dirs = dirLister->directories();
+ const QString itemDir = item.url().directory();
+ foreach (KUrl url, dirs) {
+ if (url.path() == itemDir) {
+ isOldPreview = false;
+ break;
+ }
+ }
+ if (isOldPreview) {
return;
}
const QModelIndex idx = m_dolphinModel->indexForItem(item);
if (idx.isValid() && (idx.column() == 0)) {
QPixmap icon = pixmap;
- if (item.isHidden()) {
- if (!icon.hasAlpha()) {
- // the semitransparent operation requires having an alpha mask
- QPixmap alphaMask(icon.width(), icon.height());
- alphaMask.fill();
- icon.setAlphaChannel(alphaMask);
- }
- KIconEffect::semiTransparent(icon);
+
+ const QString mimeType = item.mimetype();
+ const QString mimeTypeGroup = mimeType.left(mimeType.indexOf('/'));
+ if ((mimeTypeGroup != "image") || !applyImageFrame(icon)) {
+ limitToSize(icon, m_view->iconSize());
}
const QMimeData* mimeData = QApplication::clipboard()->mimeData();
applyCutItemEffect();
}
+void IconManager::generatePreviews(const KFileItemList &items)
+{
+ Q_ASSERT(m_showPreview);
+ const QRect visibleArea = m_view->viewport()->rect();
+
+ // Order the items in a way that the preview for the visible items
+ // is generated first, as this improves the feeled performance a lot.
+ KFileItemList orderedItems;
+ foreach (KFileItem item, items) {
+ const QModelIndex dirIndex = m_dolphinModel->indexForItem(item);
+ const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
+ const QRect itemRect = m_view->visualRect(proxyIndex);
+ if (itemRect.intersects(visibleArea)) {
+ orderedItems.insert(0, item);
+ } else {
+ orderedItems.append(item);
+ }
+ }
+
+ const QSize size = m_view->iconSize();
+ KIO::PreviewJob* job = KIO::filePreview(orderedItems, 128, 128);
+ connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
+ this, SLOT(replaceIcon(const KFileItem&, const QPixmap&)));
+ connect(job, SIGNAL(finished(KJob*)),
+ this, SLOT(slotPreviewJobFinished(KJob*)));
+
+ m_previewJobs.append(job);
+}
+
bool IconManager::isCutItem(const KFileItem& item) const
{
const QMimeData* mimeData = QApplication::clipboard()->mimeData();
return;
}
- const KFileItemList items(m_dolphinModel->dirLister()->items());
+ KFileItemList items;
+ KDirLister* dirLister = m_dolphinModel->dirLister();
+ const KUrl::List dirs = dirLister->directories();
+ foreach (KUrl url, dirs) {
+ items << dirLister->itemsForDir(url);
+ }
+
foreach (KFileItem item, items) {
if (isCutItem(item)) {
const QModelIndex index = m_dolphinModel->indexForItem(item);
}
}
-void IconManager::applyHiddenItemEffect(const KFileItem& hiddenItem)
+bool IconManager::applyImageFrame(QPixmap& icon)
{
- const QModelIndex index = m_dolphinModel->indexForItem(hiddenItem);
- const QVariant value = m_dolphinModel->data(index, Qt::DecorationRole);
- if (value.type() == QVariant::Icon) {
- const QIcon icon(qvariant_cast<QIcon>(value));
- QPixmap pixmap = icon.pixmap(m_view->iconSize());
- KIconEffect::semiTransparent(pixmap);
- m_dolphinModel->setData(index, QIcon(pixmap), Qt::DecorationRole);
+ const QSize maxSize = m_view->iconSize();
+ if ((maxSize.width() <= 24) || (maxSize.height() <= 24)) {
+ // the maximum size is too small for a frame
+ return false;
}
+
+ const int frame = 4;
+ const int doubleFrame = frame * 2;
+
+ // resize the icon to the maximum size minus the space required for the frame
+ limitToSize(icon, QSize(maxSize.width() - doubleFrame, maxSize.height() - doubleFrame));
+
+ QPainter painter;
+ const QPalette palette = m_view->palette();
+ QPixmap framedIcon(icon.size().width() + doubleFrame, icon.size().height() + doubleFrame);
+ framedIcon.fill(palette.color(QPalette::Normal, QPalette::Base));
+ const int width = framedIcon.width() - 1;
+ const int height = framedIcon.height() - 1;
+
+ painter.begin(&framedIcon);
+ painter.drawPixmap(frame, frame, icon);
+
+ // draw a white frame around the icon
+ painter.setPen(Qt::NoPen);
+ painter.setBrush(palette.brush(QPalette::Normal, QPalette::Base));
+ painter.drawRect(0, 0, width, frame);
+ painter.drawRect(0, height - frame, width, frame);
+ painter.drawRect(0, frame, frame, height - doubleFrame);
+ painter.drawRect(width - frame, frame, frame, height - doubleFrame);
+
+ // add a border
+ painter.setPen(palette.color(QPalette::Text));
+ painter.setBrush(Qt::NoBrush);
+ painter.drawRect(0, 0, width, height);
+ painter.drawRect(1, 1, width - 2, height - 2);
+
+ // dimm image frame by 25 %
+ painter.setPen(QColor(0, 0, 0, 64));
+ painter.drawRect(frame, frame, width - doubleFrame, height - doubleFrame);
+ painter.end();
+
+ icon = framedIcon;
+
+ // provide an alpha channel for the border
+ QPixmap alphaChannel(icon.size());
+ alphaChannel.fill();
+
+ QPainter alphaPainter(&alphaChannel);
+ alphaPainter.setBrush(Qt::NoBrush);
+ alphaPainter.setPen(QColor(32, 32, 32));
+ alphaPainter.drawRect(0, 0, width, height);
+ alphaPainter.setPen(QColor(64, 64, 64));
+ alphaPainter.drawRect(1, 1, width - 2, height - 2);
+
+ icon.setAlphaChannel(alphaChannel);
+ return true;
+}
+
+void IconManager::limitToSize(QPixmap& icon, const QSize& maxSize)
+{
+ if ((icon.width() > maxSize.width()) || (icon.height() > maxSize.height())) {
+ icon = icon.scaled(maxSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+ }
+}
+
+void IconManager::killJobs()
+{
+ foreach (KJob* job, m_previewJobs) {
+ Q_ASSERT(job != 0);
+ job->kill();
+ }
+ m_previewJobs.clear();
}
#include "iconmanager.moc"
projects / dolphin.git / blobdiff