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Diffstat (limited to 'src/kitemviews/kitemlistview.h')
| -rw-r--r-- | src/kitemviews/kitemlistview.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/src/kitemviews/kitemlistview.h b/src/kitemviews/kitemlistview.h index 4455166dd..95215fffd 100644 --- a/src/kitemviews/kitemlistview.h +++ b/src/kitemviews/kitemlistview.h @@ -347,10 +347,13 @@ private: /** * Helper method for doLayout: Returns a list of items that can be reused for the visible * area. Invisible group headers get recycled. The reusable items are items that are - * invisible and not animated. Reusing items is faster in comparison to deleting invisible + * invisible. If the animation hint is 'Animation' then items that are currently animated + * won't be reused. Reusing items is faster in comparison to deleting invisible * items and creating a new instance for visible items. */ - QList<int> recycleInvisibleItems(int firstVisibleIndex, int lastVisibleIndex); + QList<int> recycleInvisibleItems(int firstVisibleIndex, + int lastVisibleIndex, + LayoutAnimationHint hint); /** * Helper method for doLayout: Starts a moving-animation for the widget to the given @@ -442,6 +445,21 @@ private: * if no header is shown. */ QRectF headerBoundaries() const; + + /** + * @return True if the number of columns or rows will be changed when applying + * the new grid- and item-size. Used to determine whether an animation + * should be done when applying the new layout. + */ + bool changesItemGridLayout(const QSizeF& newGridSize, const QSizeF& newItemSize) const; + + /** + * @param changedItemCount Number of inserted or removed items. + * @return True if the inserting or removing of items should be animated. + * No animation should be done if the number of items is too large + * to provide a pleasant animation. + */ + bool animateChangedItemCount(int changedItemCount) const; /** * Helper function for triggerAutoScrolling(). |