@@ -23,10 +23,8 @@ AbstractDashView::AbstractDashView()
2323 , m_asyncRequestedIndex(-1)
2424 , m_columnSpacing(0)
2525 , m_rowSpacing(0)
26− , m_delegateCreationBegin(0)
27− , m_delegateCreationEnd(0)
28− , m_delegateCreationBeginValid(false)
29− , m_delegateCreationEndValid(false)
26+ , m_displayMarginBeginning(0)
27+ , m_displayMarginEnd(0)
3028 , m_needsRelayout(false)
3129 , m_delegateValidated(false)
3230 , m_implicitHeightDirty(false)
@@ -114,62 +112,36 @@ void AbstractDashView::setRowSpacing(qreal rowSpacing)
114112 }
115113}
116114
117−qreal AbstractDashView::delegateCreationBegin() const
115+qreal AbstractDashView::displayMarginBeginning() const
118116{
119− return m_delegateCreationBegin;
117+ return m_displayMarginBeginning;
120118}
121119
122−void AbstractDashView::setDelegateCreationBegin(qreal begin)
120+void AbstractDashView::setDisplayMarginBeginning(qreal begin)
123121{
124− m_delegateCreationBeginValid = true;
125− if (m_delegateCreationBegin == begin)
122+ if (m_displayMarginBeginning == begin)
126123 return;
127− m_delegateCreationBegin = begin;
124+ m_displayMarginBeginning = begin;
128125 if (isComponentComplete()) {
129126 polish();
130127 }
131− emit delegateCreationBeginChanged();
128+ emit displayMarginBeginningChanged();
132129}
133130
134−void AbstractDashView::resetDelegateCreationBegin()
131+qreal AbstractDashView::displayMarginEnd() const
135132{
136− m_delegateCreationBeginValid = false;
137− if (m_delegateCreationBegin == 0)
138− return;
139− m_delegateCreationBegin = 0;
140− if (isComponentComplete()) {
141− polish();
142− }
143− emit delegateCreationBeginChanged();
144−}
145−
146−qreal AbstractDashView::delegateCreationEnd() const
147−{
148− return m_delegateCreationEnd;
149−}
150−
151−void AbstractDashView::setDelegateCreationEnd(qreal end)
152−{
153− m_delegateCreationEndValid = true;
154− if (m_delegateCreationEnd == end)
155− return;
156− m_delegateCreationEnd = end;
157− if (isComponentComplete()) {
158− polish();
159− }
160− emit delegateCreationEndChanged();
133+ return m_displayMarginEnd;
161134}
162135
163−void AbstractDashView::resetDelegateCreationEnd()
136+void AbstractDashView::setDisplayMarginEnd(qreal end)
164137{
165− m_delegateCreationEndValid = false;
166− if (m_delegateCreationEnd == 0)
138+ if (m_displayMarginEnd == end)
167139 return;
168− m_delegateCreationEnd = 0;
140+ m_displayMarginEnd = end;
169141 if (isComponentComplete()) {
170142 polish();
171143 }
172− emit delegateCreationEndChanged();
144+ emit displayMarginEndChanged();
173145}
174146
175147void AbstractDashView::createDelegateModel()
@@ -186,9 +158,8 @@ void AbstractDashView::refill()
186158 return;
187159 }
188160
189− const bool delegateRangesValid = m_delegateCreationBeginValid && m_delegateCreationEndValid;
190− const qreal from = delegateRangesValid ? m_delegateCreationBegin : 0;
191− const qreal to = delegateRangesValid ? m_delegateCreationEnd : from + height();
161+ const qreal from = -m_displayMarginBeginning;
162+ const qreal to = height() + m_displayMarginEnd;
192163 const qreal buffer = (to - from) * bufferRatio;
193164 const qreal bufferFrom = from - buffer;
194165 const qreal bufferTo = to + buffer;
@@ -330,9 +301,8 @@ void AbstractDashView::updatePolish()
330301
331302 refill();
332303
333− const bool delegateRangesValid = m_delegateCreationBeginValid && m_delegateCreationEndValid;
334− const qreal from = delegateRangesValid ? m_delegateCreationBegin : 0;
335− const qreal to = delegateRangesValid ? m_delegateCreationEnd : from + height();
304+ const qreal from = -m_displayMarginBeginning;
305+ const qreal to = height() + m_displayMarginEnd;
336306 updateItemCulling(from, to);
337307
338308 if (m_implicitHeightDirty) {