X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/7a593fc92bf28fbdcdec0e241e18ee8ba2ad7334..29778152ad:/src/kitemviews/private/kitemlistsizehintresolver.cpp

diff --git a/src/kitemviews/private/kitemlistsizehintresolver.cpp b/src/kitemviews/private/kitemlistsizehintresolver.cpp
index 1d8067026..4dee67396 100644
--- a/src/kitemviews/private/kitemlistsizehintresolver.cpp
+++ b/src/kitemviews/private/kitemlistsizehintresolver.cpp
@@ -18,13 +18,14 @@
  ***************************************************************************/
 
 #include "kitemlistsizehintresolver.h"
-
-#include <kitemviews/kitemlistview.h>
+#include "kitemviews/kitemlistview.h"
 
 KItemListSizeHintResolver::KItemListSizeHintResolver(const KItemListView* itemListView) :
     m_itemListView(itemListView),
     m_logicalHeightHintCache(),
     m_logicalWidthHint(0.0),
+    m_logicalHeightHint(0.0),
+    m_minHeightHint(0.0),
     m_needsResolving(false)
 {
 }
@@ -33,6 +34,18 @@ KItemListSizeHintResolver::~KItemListSizeHintResolver()
 {
 }
 
+QSizeF KItemListSizeHintResolver::maxSizeHint()
+{
+    updateCache();
+    return QSizeF(m_logicalWidthHint, m_logicalHeightHint);
+}
+
+QSizeF KItemListSizeHintResolver::minSizeHint()
+{
+    updateCache();
+    return QSizeF(m_logicalWidthHint, m_minHeightHint);
+}
+
 QSizeF KItemListSizeHintResolver::sizeHint(int index)
 {
     updateCache();
@@ -149,6 +162,13 @@ void KItemListSizeHintResolver::updateCache()
 {
     if (m_needsResolving) {
         m_itemListView->calculateItemSizeHints(m_logicalHeightHintCache, m_logicalWidthHint);
+        // Set logical height as the max cached height (if the cache is not empty).
+        if (m_logicalHeightHintCache.isEmpty()) {
+            m_logicalHeightHint = 0.0;
+        } else {
+            m_logicalHeightHint = *std::max_element(m_logicalHeightHintCache.begin(), m_logicalHeightHintCache.end());
+            m_minHeightHint = *std::min_element(m_logicalHeightHintCache.begin(), m_logicalHeightHintCache.end());
+        }
         m_needsResolving = false;
     }
 }