reapack

commit 7e469f48f80f4a350120518d8674c6c2c32f83f3
parent 0c2620cd9eb7beff563879bf615eb6a095c7ebf9
Author: cfillion <cfillion@users.noreply.github.com>
Date:   Wed, 24 Aug 2016 16:48:46 -0400

browser: remember scroll position when reloading the list on windows

Diffstat:
M
src/browser.cpp
 | 
3
+++
M
src/listview.cpp
 | 
20
++++++++++++++++++++
M
src/listview.hpp
 | 
2
++

3 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/src/browser.cpp b/src/browser.cpp
@@ -651,6 +651,8 @@ void Browser::fillList()
 {
   InhibitControl freeze(m_list);
 
+  const int scroll = m_list->scroll();
+
   // store the indexes to the selected entries if they still exists
   // and m_visibleEntries hasn't been emptied
   const vector<int> selection = m_list->selection();
@@ -675,6 +677,7 @@ void Browser::fillList()
     m_visibleEntries.push_back(i);
   }
 
+  m_list->setScroll(scroll);
   m_list->sort();
 
   updateDisplayLabel();
diff --git a/src/listview.cpp b/src/listview.cpp
@@ -278,6 +278,26 @@ int ListView::itemUnderMouse() const
   return translateBack(info.iItem);
 }
 
+int ListView::scroll() const
+{
+  return ListView_GetTopIndex(handle());
+}
+
+void ListView::setScroll(const int index)
+{
+#ifdef ListView_GetItemPosition
+  if(index < 0)
+    return;
+
+  RECT rect;
+  ListView_GetViewRect(handle(), &rect);
+
+  POINT itemPos{};
+  if(ListView_GetItemPosition(handle(), index - 1, &itemPos))
+    ListView_Scroll(handle(), abs(rect.left) + itemPos.x, abs(rect.top) + itemPos.y);
+#endif
+}
+
 void ListView::onNotify(LPNMHDR info, LPARAM lParam)
 {
   switch(info->code) {
diff --git a/src/listview.hpp b/src/listview.hpp
@@ -66,6 +66,8 @@ public:
   void reset();
   int currentIndex() const;
   int itemUnderMouse() const;
+  int scroll() const;
+  void setScroll(int);
 
   void setSelected(int index, bool select);
   void select(int index) { setSelected(index, true); }