protected override Rectangle GetFocusedItemRect()
{
if (HasFocus())
{
int code = ShellBrowser.ViewMode == FVM.DETAILS ? LVIR.LABEL : LVIR.BOUNDS;
return(GetItemRect(ShellBrowser.GetFocusedIndex(), code).ToRectangle());
}
return(new Rectangle(0, 0, 0, 0));
}
protected override bool HandleCursorLoop(Keys key)
{
int focusedIdx = ShellBrowser.GetFocusedIndex();
int itemCount = ShellBrowser.GetItemCount();
int selectMe = -1;
int viewMode = ShellBrowser.ViewMode;
if (viewMode == FVM.TILE && QTUtility.IsXP)
{
viewMode = FVM.ICON;
}
switch (viewMode)
{
case FVM.CONTENT:
case FVM.DETAILS:
case FVM.TILE:
if (key == Keys.Up && focusedIdx == 0)
{
selectMe = itemCount - 1;
}
else if (key == Keys.Down && focusedIdx == itemCount - 1)
{
selectMe = 0;
}
break;
case FVM.ICON:
case FVM.SMALLICON:
case FVM.THUMBNAIL:
case FVM.LIST:
Keys KeyNextItem, KeyPrevItem, KeyNextPage, KeyPrevPage;
IntPtr MsgNextPage, MsgPrevPage;
if (viewMode == FVM.LIST)
{
KeyNextItem = Keys.Down;
KeyPrevItem = Keys.Up;
KeyNextPage = Keys.Right;
KeyPrevPage = Keys.Left;
MsgNextPage = (IntPtr)LVNI.TORIGHT;
MsgPrevPage = (IntPtr)LVNI.TOLEFT;
}
else
{
KeyNextItem = Keys.Right;
KeyPrevItem = Keys.Left;
KeyNextPage = Keys.Down;
KeyPrevPage = Keys.Up;
MsgNextPage = (IntPtr)LVNI.BELOW;
MsgPrevPage = (IntPtr)LVNI.ABOVE;
}
int nextPageIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)focusedIdx, MsgNextPage);
if (nextPageIdx == -1 || nextPageIdx == focusedIdx)
{
nextPageIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)focusedIdx, MsgPrevPage);
}
else if (QTUtility.IsXP)
{
int testIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)nextPageIdx, MsgPrevPage);
if (testIdx != focusedIdx)
{
nextPageIdx = (int)PInvoke.SendMessage(Handle, LVM.GETNEXTITEM, (IntPtr)focusedIdx, MsgPrevPage);
}
}
if (nextPageIdx == -1 || nextPageIdx == focusedIdx)
{
if (key == KeyNextItem)
{
if (focusedIdx == itemCount - 1)
{
selectMe = 0;
}
else
{
RECT thisRect = GetItemRect(focusedIdx);
RECT nextRect = GetItemRect(focusedIdx + 1);
if (viewMode == FVM.LIST)
{
if (nextRect.top < thisRect.top)
{
selectMe = 0;
}
}
else if (nextRect.left < thisRect.left)
{
selectMe = 0;
}
}
}
else if (key == KeyPrevItem && focusedIdx == 0)
{
selectMe = itemCount - 1;
}
else if (key == KeyNextPage || key == KeyPrevPage)
{
if (QTUtility.IsXP)
{
return(true);
}
}
}
else
{
int pageCount = Math.Abs(focusedIdx - nextPageIdx);
int page = focusedIdx % pageCount;
if (key == KeyNextItem && (page == pageCount - 1 || focusedIdx == itemCount - 1))
{
selectMe = focusedIdx - page;
}
else if (key == KeyPrevItem && page == 0)
{
selectMe = Math.Min(focusedIdx + pageCount - 1, itemCount - 1);
}
else if (key == KeyNextPage && focusedIdx + pageCount >= itemCount)
{
selectMe = page;
}
else if (key == KeyPrevPage && focusedIdx < pageCount)
{
int x = itemCount - focusedIdx - 1;
selectMe = x - x % pageCount + focusedIdx;
}
}
break;
}
if (selectMe >= 0)
{
SetRedraw(false);
ShellBrowser.SelectItem(selectMe);
PInvoke.SendMessage(Handle, LVM.REDRAWITEMS, (IntPtr)focusedIdx, (IntPtr)focusedIdx);
SetRedraw(true);
return(true);
}
else
{
return(false);
}
}
protected override Point GetSubDirTipPoint(bool fByKey)
{
int iItem = fByKey ? ShellBrowser.GetFocusedIndex() : GetHotItem();
int x, y;
Point ret;
RECT rect;
switch (ShellBrowser.ViewMode)
{
case FVM.DETAILS:
rect = GetItemRect(iItem, LVIR.LABEL);
x = rect.right;
y = rect.top;
y += (rect.bottom - y) / 2;
ret = new Point(x - 19, y - 7);
break;
case FVM.SMALLICON:
rect = GetItemRect(iItem);
x = rect.right;
y = rect.top;
x -= (rect.bottom - y) / 2;
y += (rect.bottom - y) / 2;
ret = new Point(x - 9, y - 7);
break;
case FVM.CONTENT:
case FVM.TILE:
rect = GetItemRect(iItem, LVIR.ICON);
y = rect.bottom;
x = rect.right;
ret = new Point(x - 16, y - 16);
break;
case FVM.THUMBSTRIP:
case FVM.THUMBNAIL:
rect = GetItemRect(iItem, LVIR.ICON);
if (QTUtility.IsXP)
{
rect.right -= 13;
}
y = rect.bottom;
x = rect.right;
ret = new Point(x - 16, y - 16);
break;
case FVM.ICON:
rect = GetItemRect(iItem, LVIR.ICON);
if (QTUtility.IsXP)
{
int num3 = (int)PInvoke.SendMessage(Handle, LVM.GETITEMSPACING, IntPtr.Zero, IntPtr.Zero);
Size iconSize = SystemInformation.IconSize;
rect.right = ((rect.left + (((num3 & 0xffff) - iconSize.Width) / 2)) + iconSize.Width) + 8;
rect.bottom = (rect.top + iconSize.Height) + 6;
}
y = rect.bottom;
x = rect.right;
ret = new Point(x - 16, y - 16);
break;
case FVM.LIST:
if (QTUtility.IsXP)
{
rect = GetItemRect(iItem, LVIR.ICON);
LVITEM structure = new LVITEM();
structure.pszText = Marshal.AllocHGlobal(520);
structure.cchTextMax = 260;
structure.iItem = iItem;
structure.mask = 1;
IntPtr zero = Marshal.AllocHGlobal(Marshal.SizeOf(structure));
Marshal.StructureToPtr(structure, zero, false);
PInvoke.SendMessage(Handle, LVM.GETITEM, IntPtr.Zero, zero);
int num4 = (int)PInvoke.SendMessage(Handle, LVM.GETSTRINGWIDTH, IntPtr.Zero, structure.pszText);
num4 += 20;
Marshal.FreeHGlobal(structure.pszText);
Marshal.FreeHGlobal(zero);
rect.right += num4;
rect.top += 2;
rect.bottom += 2;
}
else
{
rect = GetItemRect(iItem, LVIR.LABEL);
}
y = rect.bottom;
x = rect.right;
ret = new Point(x - 16, y - 16);
break;
default:
rect = GetItemRect(iItem);
y = rect.bottom;
x = rect.right;
ret = new Point(x - 16, y - 16);
break;
}
PInvoke.ClientToScreen(Handle, ref ret);
return(ret);
}
protected override bool ListViewController_MessageCaptured(ref Message msg)
{
if (msg.Msg == WM_AFTERPAINT)
{
RefreshCache();
}
else if (msg.Msg == WM_ISITEMSVIEW)
{
msg.Result = (IntPtr)1;
return(true);
}
if (base.ListViewController_MessageCaptured(ref msg))
{
return(true);
}
switch (msg.Msg)
{
case LVM.SCROLL: {
int amount = msg.WParam.ToInt32();
SetRedraw(false);
AutomationManager.DoQuery(factory => {
AutomationElement elem = factory.FromHandle(Handle);
amount /= SystemInformation.MouseWheelScrollDelta;
bool dec = amount < 0;
if (dec)
{
amount = -amount;
}
int lines = SystemInformation.MouseWheelScrollLines;
if (lines < 0)
{
elem.ScrollHorizontal(dec
? ScrollAmount.LargeDecrement
: ScrollAmount.LargeIncrement, amount);
}
else
{
elem.ScrollHorizontal(dec
? ScrollAmount.SmallDecrement
: ScrollAmount.SmallIncrement, amount * lines);
}
return(0);
});
SetRedraw(true);
return(true);
}
case WM.MOUSEACTIVATE: {
int res = (int)msg.Result;
bool ret = OnMouseActivate(ref res);
msg.Result = (IntPtr)res;
return(ret);
}
case WM.LBUTTONDOWN: {
// The ItemsView's window class doesn't have the CS_DBLCLKS
// class style, which means we won't be receiving the
// WM.LBUTTONDBLCLK message. We'll just have to make do
// without...
Int64 now = DateTime.Now.Ticks;
Point pt = QTUtility2.PointFromLPARAM(msg.LParam);
if ((now - lastLButtonTime) / 10000 <= SystemInformation.DoubleClickTime)
{
Size size = SystemInformation.DoubleClickSize;
if (Math.Abs(pt.X - lastLButtonPoint.X) <= size.Width)
{
if (Math.Abs(pt.Y - lastLButtonPoint.Y) <= size.Height)
{
lastLButtonTime = 0;
return(OnDoubleClick(pt));
}
}
}
lastLButtonPoint = pt;
lastLButtonTime = now;
return(false);
}
case WM.MOUSEMOVE: {
Point pt = QTUtility2.PointFromLPARAM(msg.LParam);
if (pt != lastMouseMovePoint)
{
lastMouseMovePoint = pt;
if (focusedElement != null)
{
if (hotElement == null && focusedElement.FullRect.Contains(pt))
{
PInvoke.PostMessage(Handle, WM_AFTERPAINT, IntPtr.Zero, IntPtr.Zero);
}
else if (hotElement != null && hotElement.Index == focusedElement.Index && !focusedElement.FullRect.Contains(pt))
{
PInvoke.PostMessage(Handle, WM_AFTERPAINT, IntPtr.Zero, IntPtr.Zero);
}
}
}
break;
}
case WM.MOUSELEAVE:
if (focusedElement != null)
{
if (hotElement != null && hotElement.Index == focusedElement.Index)
{
PInvoke.PostMessage(Handle, WM_AFTERPAINT, IntPtr.Zero, IntPtr.Zero);
}
}
break;
case WM.KEYDOWN:
return(OnKeyDown((Keys)msg.WParam));
case WM.LBUTTONUP:
case WM.RBUTTONUP:
case WM.MBUTTONUP:
RefreshCache();
break;
case WM.NOTIFY: {
NMHDR nmhdr = (NMHDR)Marshal.PtrToStructure(msg.LParam, typeof(NMHDR));
if (nmhdr.code == -530 /* TTN_NEEDTEXT */)
{
NMTTDISPINFO dispinfo = (NMTTDISPINFO)Marshal.PtrToStructure(msg.LParam, typeof(NMTTDISPINFO));
if ((dispinfo.uFlags & 0x20 /* TTF_TRACK */) != 0)
{
return(OnGetInfoTip(ShellBrowser.GetFocusedIndex(), true));
}
else
{
int i = GetHotItem();
if (i != -1 && IsTrackingItemName())
{
return(OnGetInfoTip(i, false));
}
}
}
break;
}
}
return(false);
}
// 使用箭头键时候环绕选择文件夹
protected override bool HandleCursorLoop(Keys key)
{
int focusedIdx = ShellBrowser.GetFocusedIndex();
int itemCount = ShellBrowser.GetItemCount();
int selectMe = -1;
FVM viewMode = ShellBrowser.ViewMode;
switch (viewMode)
{
case FVM.CONTENT:
case FVM.DETAILS:
if (key == Keys.Up && focusedIdx == 0)
{
selectMe = itemCount - 1;
}
else if (key == Keys.Down && focusedIdx == itemCount - 1)
{
selectMe = 0;
}
break;
case FVM.ICON:
case FVM.SMALLICON:
case FVM.THUMBNAIL:
case FVM.TILE:
case FVM.LIST:
Keys KeyNextItem, KeyPrevItem, KeyNextPage, KeyPrevPage;
if (viewMode == FVM.LIST)
{
KeyNextItem = Keys.Down;
KeyPrevItem = Keys.Up;
KeyNextPage = Keys.Right;
KeyPrevPage = Keys.Left;
}
else
{
KeyNextItem = Keys.Right;
KeyPrevItem = Keys.Left;
KeyNextPage = Keys.Down;
KeyPrevPage = Keys.Up;
}
int pageCount = AutomationManager.DoQuery(factory => {
AutomationElement elem = factory.FromHandle(Handle);
if (elem == null)
{
return(-1);
}
return(viewMode == FVM.LIST ? elem.GetRowCount() : elem.GetColumnCount());
});
if (pageCount == -1)
{
return(false);
}
int page = focusedIdx % pageCount;
if (key == KeyNextItem && (page == pageCount - 1 || focusedIdx == itemCount - 1))
{
selectMe = focusedIdx - page;
}
else if (key == KeyPrevItem && page == 0)
{
selectMe = Math.Min(focusedIdx + pageCount - 1, itemCount - 1);
}
else if (key == KeyNextPage && focusedIdx + pageCount >= itemCount)
{
selectMe = page;
}
else if (key == KeyPrevPage && focusedIdx < pageCount)
{
int x = itemCount - focusedIdx - 1;
selectMe = x - x % pageCount + focusedIdx;
}
break;
}
if (selectMe >= 0)
{
ShellBrowser.SelectItem(selectMe);
return(true);
}
else
{
return(false);
}
}