diff --git a/src/kitemviews/kfileitemlistview.cpp b/src/kitemviews/kfileitemlistview.cpp index b7f7455b41..70ce11b1fb 100644 --- a/src/kitemviews/kfileitemlistview.cpp +++ b/src/kitemviews/kfileitemlistview.cpp @@ -323,6 +323,7 @@ void KFileItemListView::updateVisibleIndexRange() const int index = firstVisibleIndex(); const int count = lastVisibleIndex() - index + 1; + m_modelRolesUpdater->setMaximumVisibleItems(maximumVisibleItems()); m_modelRolesUpdater->setVisibleIndexRange(index, count); if (m_updateIconSizeTimer->isActive()) { diff --git a/src/kitemviews/kfileitemmodelrolesupdater.cpp b/src/kitemviews/kfileitemmodelrolesupdater.cpp index 9fca8a1f68..39d01e2320 100644 --- a/src/kitemviews/kfileitemmodelrolesupdater.cpp +++ b/src/kitemviews/kfileitemmodelrolesupdater.cpp @@ -79,6 +79,7 @@ KFileItemModelRolesUpdater::KFileItemModelRolesUpdater(KFileItemModel* model, QO m_iconSize(), m_firstVisibleIndex(0), m_lastVisibleIndex(-1), + m_maximumVisibleItems(100), m_roles(), m_enabledPlugins(), m_pendingVisibleItems(), @@ -178,6 +179,11 @@ void KFileItemModelRolesUpdater::setVisibleIndexRange(int index, int count) } } +void KFileItemModelRolesUpdater::setMaximumVisibleItems(int count) +{ + m_maximumVisibleItems = count; +} + void KFileItemModelRolesUpdater::setPreviewsShown(bool show) { if (show == m_previewShown) { @@ -670,7 +676,16 @@ void KFileItemModelRolesUpdater::startUpdating(const KItemRangeList& itemRanges) const int lastIndex = range.index + range.count - 1; for (int i = range.index; i <= lastIndex; ++i) { const KFileItem item = m_model->fileItem(i); - if (!hasValidIndexRange || (i >= m_firstVisibleIndex && i <= m_lastVisibleIndex)) { + bool visible; + if (hasValidIndexRange) { + visible = (i >= m_firstVisibleIndex && i <= m_lastVisibleIndex); + } else { + // If the view has not informed us about the visible range yet, + // just assume that the first items are visible. + visible = (i < m_maximumVisibleItems); + } + + if (visible) { m_pendingVisibleItems.insert(item); } else { m_pendingInvisibleItems.insert(item); diff --git a/src/kitemviews/kfileitemmodelrolesupdater.h b/src/kitemviews/kfileitemmodelrolesupdater.h index 68559d8dd7..b837e8c7f6 100644 --- a/src/kitemviews/kfileitemmodelrolesupdater.h +++ b/src/kitemviews/kfileitemmodelrolesupdater.h @@ -77,6 +77,8 @@ public: */ void setVisibleIndexRange(int index, int count); + void setMaximumVisibleItems(int count); + /** * If \a show is set to true, the "iconPixmap" role will be filled with a preview * of the file. If \a show is false the MIME type icon will be used for the "iconPixmap" @@ -254,6 +256,7 @@ private: QSize m_iconSize; int m_firstVisibleIndex; int m_lastVisibleIndex; + int m_maximumVisibleItems; QSet m_roles; QSet m_resolvableRoles; QStringList m_enabledPlugins; diff --git a/src/kitemviews/kitemlistview.cpp b/src/kitemviews/kitemlistview.cpp index 9ebad7f8bd..763b7e68fa 100644 --- a/src/kitemviews/kitemlistview.cpp +++ b/src/kitemviews/kitemlistview.cpp @@ -208,6 +208,11 @@ qreal KItemListView::maximumItemOffset() const return m_layouter->maximumItemOffset(); } +int KItemListView::maximumVisibleItems() const +{ + return m_layouter->maximumVisibleItems(); +} + void KItemListView::setVisibleRoles(const QList& roles) { const QList previousRoles = m_visibleRoles; diff --git a/src/kitemviews/kitemlistview.h b/src/kitemviews/kitemlistview.h index cd59ddcb53..6d609a9df5 100644 --- a/src/kitemviews/kitemlistview.h +++ b/src/kitemviews/kitemlistview.h @@ -92,6 +92,8 @@ public: qreal maximumItemOffset() const; + int maximumVisibleItems() const; + void setVisibleRoles(const QList& roles); QList visibleRoles() const;