// retrieve lvitem column position in the Grid
// To be called only when Group is enabled
private int GetItemColumnPositionInGroup()
{
// get id of the group to which this item belongs
int groupID = GetGroupID(_hwnd, _item);
if (groupID != -1)
{
// get position of this lvitem within the array of all items in the group
GroupManager.GroupInfo groupInfo = WindowsListViewGroup.GetGroupInfo(_hwnd, groupID);
if (groupInfo)
{
int position = groupInfo.IndexOf(_item); //Array.IndexOf(groupInfo._items, _item);
if (position != -1)
{
// number of columns in the grid
int columnCount = WindowsListViewGroup.GetColumnCountExternal(_hwnd, groupID);
// item's row position
int itemRowPosition = position / columnCount;
// item's column position
return(position - (itemRowPosition * columnCount));
}
}
}
return(-1);
}
internal unsafe NativeMethods.Win32Rect GetGroupRect()
{
NativeMethods.Win32Rect rect = new NativeMethods.Win32Rect();
bool isCollapsed = WindowsListViewGroup.IsCollapsed(_hwnd, _groupID);
rect.top = isCollapsed ? NativeMethods.LVGGR_HEADER : NativeMethods.LVGGR_GROUP;
XSendMessage.XSend(_hwnd, NativeMethods.LVM_GETGROUPRECT,
new IntPtr(_groupID), new IntPtr(&rect), Marshal.SizeOf(rect.GetType()));
Misc.MapWindowPoints(_hwnd, IntPtr.Zero, ref rect, 2);
return(rect);
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
// get focused element
internal static ProxySimple GetFocusInGroup(IntPtr hwnd, ProxyFragment parent)
{
int index = WindowsListView.GetItemNext(hwnd, -1, NativeMethods.LVNI_FOCUSED);
if (index != -1)
{
// get id of the group to which item belongs
NativeMethods.LVITEM_V6 item = new NativeMethods.LVITEM_V6();
item.mask = NativeMethods.LVIF_GROUPID;
item.iItem = index;
if (XSendMessage.GetItem(hwnd, ref item))
{
WindowsListViewGroup group = new WindowsListViewGroup(hwnd, parent, item.iGroupID);
return(new ListViewItem(hwnd, group, index));
}
}
else
{
// if none of the items have focus see if the focus is on the subset link
// this only exists in v6 comctrl on vista or later.
if (Misc.IsComctrlV6OnOsVerV6orHigher(hwnd))
{
int groupIndex = (int)Misc.ProxySendMessage(hwnd, NativeMethods.LVM_GETFOCUSEDGROUP, IntPtr.Zero, IntPtr.Zero);
// need to convert the item id to a group id
NativeMethods.LVGROUP_V6 groupInfo = new NativeMethods.LVGROUP_V6();
groupInfo.Init(Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
groupInfo.mask = NativeMethods.LVGF_GROUPID;
unsafe
{
bool lresult = XSendMessage.XSend(hwnd, NativeMethods.LVM_GETGROUPINFOBYINDEX, new IntPtr(groupIndex), new IntPtr(&groupInfo), Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
if (!lresult)
{
// no group for this item should never happen.
return(null);
}
}
int groupId = groupInfo.iGroupID;
groupInfo.Init(Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
groupInfo.iGroupID = groupId;
groupInfo.mask = NativeMethods.LVGF_STATE;
groupInfo.stateMask = NativeMethods.LVGS_SUBSETLINKFOCUSED;
// Note: return code of GetGroupInfo() is not reliable.
XSendMessage.GetGroupInfo(hwnd, ref groupInfo); // ignore return code.
if ((groupInfo.state & NativeMethods.LVGS_SUBSETLINKFOCUSED) != 0)
{
GroupManager.GroupInfo groupManagerInfo = GetGroupInfo(hwnd, groupId);
int [] items = groupManagerInfo._items;
if (groupManagerInfo._count <= 0 || groupManagerInfo._count >= items.Length)
{
return(null);
}
int sslIndex = items [groupManagerInfo._count - 1];
// The items array holds the list items in this group. If we have a subset link we
// don't store it with the list items because it isn't really a list item. Instead we just
// create the subset link proxy with an item index one more than the last index.
WindowsListViewGroup group = new WindowsListViewGroup(hwnd, parent, groupId);
return(group.CreateGroupSubsetLink(sslIndex + 1));
}
else
{
return(new WindowsListViewGroup(hwnd, parent, groupId));
}
}
}
return(null);
}
internal override ProxySimple ElementProviderFromPoint (int x, int y)
{
// The header is a window on top of the client area.
// If the point is the non client area, skip
// Must return null if hit tested.
if (PtInListViewHeader (x, y) || !PtInClientRect (_hwnd, x, y))
{
return null;
}
// in the case of the lv in the group mode, return a group at point(x,y)
if (IsGroupViewEnabled (_hwnd))
{
_groupsCollection.EnsureCreation (_hwnd);
// Let's locate the group that contains x,y
GroupManager manager = WindowsListView._groupsCollection [_hwnd];
int length = manager.GroupCount ();
for (int i = 0; i < length; i++)
{
NativeMethods.Win32Rect rc = manager.GetGroupRcByIndex (i);
if (Misc.PtInRect(ref rc, x, y))
{
// found a group where point belongs
int groupID = manager.GetGroupIdByIndex (i);
ProxyFragment group = new WindowsListViewGroup (_hwnd, this, groupID);
return ProxyFragment.DrillDownFragment (group, x, y);
}
}
}
NativeMethods.LVHITTESTINFO_INTERNAL hitTest = WindowsListView.SubitemHitTest(_hwnd, new NativeMethods.Win32Point(x, y));
if (hitTest.iItem >= 0)
{
// create the item
ProxyFragment item = CreateListViewItemOrStartMenuItem(this, hitTest.iItem);
return ProxyFragment.DrillDownFragment (item, x, y);
}
else if (hitTest.flags == NativeMethods.LVHT_NOWHERE && IsDetailMode(_hwnd))
{
// LVHT_NOWHERE means: The position is inside the list-view control's client window, but it is not over a list item.
// The hit was in the non-client area of the ListView box, so adjust piont to get the point on a
// sub-item to find which ListViewItem to create. There is not adjustment needed in the y-coordinate
// spaces since ListView's do not apply a non-client area to the top or the bottom of items.
Rect boundingRectangle = BoundingRectangle;
int xAdjustment = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXBORDER) + UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXFRAME);
if (x - boundingRectangle.Left < xAdjustment)
{
x += xAdjustment;
}
else if (boundingRectangle.Left + boundingRectangle.Width - x < xAdjustment)
{
x -= xAdjustment;
}
hitTest = WindowsListView.SubitemHitTest(_hwnd, new NativeMethods.Win32Point(x, y));
if (hitTest.iItem >= 0)
{
// Since this original point was in the non-client area of the listview, the item being looked for
// is the item not one of it's subitems, so just return the ListViewItem.
return CreateListViewItemOrStartMenuItem(this, hitTest.iItem);
}
}
// NOTE: Do not return this, since user might of specified point that belongs to the hwnd-control
// that lives inside of the lv (e.g. header). If we return null UIAutomation will do the drilling
return null;
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
// get focused element
internal static ProxySimple GetFocusInGroup (IntPtr hwnd, ProxyFragment parent)
{
int index = WindowsListView.GetItemNext(hwnd, -1, NativeMethods.LVNI_FOCUSED);
if (index != -1)
{
// get id of the group to which item belongs
NativeMethods.LVITEM_V6 item = new NativeMethods.LVITEM_V6 ();
item.mask = NativeMethods.LVIF_GROUPID;
item.iItem = index;
if (XSendMessage.GetItem(hwnd, ref item))
{
WindowsListViewGroup group = new WindowsListViewGroup (hwnd, parent, item.iGroupID);
return new ListViewItem (hwnd, group, index);
}
}
else
{
// if none of the items have focus see if the focus is on the subset link
// this only exists in v6 comctrl on vista or later.
if (Misc.IsComctrlV6OnOsVerV6orHigher(hwnd))
{
int groupIndex = (int)Misc.ProxySendMessage(hwnd, NativeMethods.LVM_GETFOCUSEDGROUP, IntPtr.Zero, IntPtr.Zero);
// need to convert the item id to a group id
NativeMethods.LVGROUP_V6 groupInfo = new NativeMethods.LVGROUP_V6();
groupInfo.Init(Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
groupInfo.mask = NativeMethods.LVGF_GROUPID;
unsafe
{
bool lresult = XSendMessage.XSend(hwnd, NativeMethods.LVM_GETGROUPINFOBYINDEX, new IntPtr(groupIndex), new IntPtr(&groupInfo), Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
if (!lresult)
{
// no group for this item should never happen.
return null;
}
}
int groupId = groupInfo.iGroupID;
groupInfo.Init(Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
groupInfo.iGroupID = groupId;
groupInfo.mask = NativeMethods.LVGF_STATE;
groupInfo.stateMask = NativeMethods.LVGS_SUBSETLINKFOCUSED;
// Note: return code of GetGroupInfo() is not reliable.
XSendMessage.GetGroupInfo(hwnd, ref groupInfo); // ignore return code.
if ((groupInfo.state & NativeMethods.LVGS_SUBSETLINKFOCUSED) != 0)
{
GroupManager.GroupInfo groupManagerInfo = GetGroupInfo (hwnd, groupId);
int [] items = groupManagerInfo._items;
if (groupManagerInfo._count <= 0 || groupManagerInfo._count >= items.Length)
{
return null;
}
int sslIndex = items [groupManagerInfo._count - 1];
// The items array holds the list items in this group. If we have a subset link we
// don't store it with the list items because it isn't really a list item. Instead we just
// create the subset link proxy with an item index one more than the last index.
WindowsListViewGroup group = new WindowsListViewGroup (hwnd, parent, groupId);
return group.CreateGroupSubsetLink(sslIndex + 1);
}
else
{
return new WindowsListViewGroup (hwnd, parent, groupId);
}
}
}
return null;
}
